text: /**
   * @licstart The following is the entire license notice for the
   * Javascript code in this page
   *
   * Copyright 2018 Mozilla Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * @licend The above is the entire license notice for the
   * Javascript code in this page
   */
  
  (function webpackUniversalModuleDefinition(root, factory) {
  	if(typeof exports === 'object' && typeof module === 'object')
  		module.exports = factory();
  	else if(typeof define === 'function' && define.amd)
  		define("pdfjs-dist/build/pdf", [], factory);
  	else if(typeof exports === 'object')
  		exports["pdfjs-dist/build/pdf"] = factory();
  	else
  		root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
  })(this, function() {
  return /******/ (function(modules) { // webpackBootstrap
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  /******/ 	// The require function
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  /******/ 			return installedModules[moduleId].exports;
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  /******/ 		// Create a new module (and put it into the cache)
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  /******/ 			i: moduleId,
  /******/ 			l: false,
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  /******/
  /******/ 		// Execute the module function
  /******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
  /******/
  /******/ 		// Flag the module as loaded
  /******/ 		module.l = true;
  /******/
  /******/ 		// Return the exports of the module
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  /******/
  /******/
  /******/ 	// expose the modules object (__webpack_modules__)
  /******/ 	__w_pdfjs_require__.m = modules;
  /******/
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  /******/ 	__w_pdfjs_require__.c = installedModules;
  /******/
  /******/ 	// define getter function for harmony exports
  /******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
  /******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
  /******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
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  /******/ 	};
  /******/
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  /******/ 	__w_pdfjs_require__.r = function(exports) {
  /******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
  /******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
  /******/ 		}
  /******/ 		Object.defineProperty(exports, '__esModule', { value: true });
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  /******/ 	// mode & 1: value is a module id, require it
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  /******/ 	__w_pdfjs_require__.t = function(value, mode) {
  /******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
  /******/ 		if(mode & 8) return value;
  /******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
  /******/ 		var ns = Object.create(null);
  /******/ 		__w_pdfjs_require__.r(ns);
  /******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
  /******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
  /******/ 		return ns;
  /******/ 	};
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  /******/ 	// getDefaultExport function for compatibility with non-harmony modules
  /******/ 	__w_pdfjs_require__.n = function(module) {
  /******/ 		var getter = module && module.__esModule ?
  /******/ 			function getDefault() { return module['default']; } :
  /******/ 			function getModuleExports() { return module; };
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  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var pdfjsVersion = '2.0.873';
  var pdfjsBuild = '54d6c243';
  var pdfjsSharedUtil = __w_pdfjs_require__(1);
  var pdfjsDisplayAPI = __w_pdfjs_require__(122);
  var pdfjsDisplayTextLayer = __w_pdfjs_require__(138);
  var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(139);
  var pdfjsDisplayDOMUtils = __w_pdfjs_require__(123);
  var pdfjsDisplaySVG = __w_pdfjs_require__(140);
  var pdfjsDisplayWorkerOptions = __w_pdfjs_require__(128);
  var pdfjsDisplayAPICompatibility = __w_pdfjs_require__(125);
  {
    var isNodeJS = __w_pdfjs_require__(4);
    if (isNodeJS()) {
      var PDFNodeStream = __w_pdfjs_require__(141).PDFNodeStream;
      pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) {
        return new PDFNodeStream(params);
      });
    } else if (typeof Response !== 'undefined' && 'body' in Response.prototype && typeof ReadableStream !== 'undefined') {
      var PDFFetchStream = __w_pdfjs_require__(144).PDFFetchStream;
      pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) {
        return new PDFFetchStream(params);
      });
    } else {
      var PDFNetworkStream = __w_pdfjs_require__(145).PDFNetworkStream;
      pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) {
        return new PDFNetworkStream(params);
      });
    }
  }
  exports.build = pdfjsDisplayAPI.build;
  exports.version = pdfjsDisplayAPI.version;
  exports.getDocument = pdfjsDisplayAPI.getDocument;
  exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;
  exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
  exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
  exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
  exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
  exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
  exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
  exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
  exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
  exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
  exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
  exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
  exports.OPS = pdfjsSharedUtil.OPS;
  exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel;
  exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
  exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
  exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
  exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
  exports.shadow = pdfjsSharedUtil.shadow;
  exports.Util = pdfjsSharedUtil.Util;
  exports.ReadableStream = pdfjsSharedUtil.ReadableStream;
  exports.URL = pdfjsSharedUtil.URL;
  exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException;
  exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
  exports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget;
  exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
  exports.loadScript = pdfjsDisplayDOMUtils.loadScript;
  exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
  exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams;
  
  /***/ }),
  /* 1 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.unreachable = exports.warn = exports.utf8StringToString = exports.stringToUTF8String = exports.stringToPDFString = exports.stringToBytes = exports.string32 = exports.shadow = exports.setVerbosityLevel = exports.URL = exports.ReadableStream = exports.removeNullCharacters = exports.readUint32 = exports.readUint16 = exports.readInt8 = exports.log2 = exports.isEvalSupported = exports.isLittleEndian = exports.createValidAbsoluteUrl = exports.isSameOrigin = exports.isSpace = exports.isString = exports.isNum = exports.isEmptyObj = exports.isBool = exports.isArrayBuffer = exports.info = exports.getVerbosityLevel = exports.getLookupTableFactory = exports.getInheritableProperty = exports.deprecated = exports.createObjectURL = exports.createPromiseCapability = exports.bytesToString = exports.assert = exports.arraysToBytes = exports.arrayByteLength = exports.FormatError = exports.XRefParseException = exports.toRomanNumerals = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = undefined;
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  __w_pdfjs_require__(2);
  
  var _streams_polyfill = __w_pdfjs_require__(118);
  
  var _url_polyfill = __w_pdfjs_require__(120);
  
  var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
  var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
  var NativeImageDecoding = {
    NONE: 'none',
    DECODE: 'decode',
    DISPLAY: 'display'
  };
  var PermissionFlag = {
    PRINT: 0x04,
    MODIFY_CONTENTS: 0x08,
    COPY: 0x10,
    MODIFY_ANNOTATIONS: 0x20,
    FILL_INTERACTIVE_FORMS: 0x100,
    COPY_FOR_ACCESSIBILITY: 0x200,
    ASSEMBLE: 0x400,
    PRINT_HIGH_QUALITY: 0x800
  };
  var TextRenderingMode = {
    FILL: 0,
    STROKE: 1,
    FILL_STROKE: 2,
    INVISIBLE: 3,
    FILL_ADD_TO_PATH: 4,
    STROKE_ADD_TO_PATH: 5,
    FILL_STROKE_ADD_TO_PATH: 6,
    ADD_TO_PATH: 7,
    FILL_STROKE_MASK: 3,
    ADD_TO_PATH_FLAG: 4
  };
  var ImageKind = {
    GRAYSCALE_1BPP: 1,
    RGB_24BPP: 2,
    RGBA_32BPP: 3
  };
  var AnnotationType = {
    TEXT: 1,
    LINK: 2,
    FREETEXT: 3,
    LINE: 4,
    SQUARE: 5,
    CIRCLE: 6,
    POLYGON: 7,
    POLYLINE: 8,
    HIGHLIGHT: 9,
    UNDERLINE: 10,
    SQUIGGLY: 11,
    STRIKEOUT: 12,
    STAMP: 13,
    CARET: 14,
    INK: 15,
    POPUP: 16,
    FILEATTACHMENT: 17,
    SOUND: 18,
    MOVIE: 19,
    WIDGET: 20,
    SCREEN: 21,
    PRINTERMARK: 22,
    TRAPNET: 23,
    WATERMARK: 24,
    THREED: 25,
    REDACT: 26
  };
  var AnnotationFlag = {
    INVISIBLE: 0x01,
    HIDDEN: 0x02,
    PRINT: 0x04,
    NOZOOM: 0x08,
    NOROTATE: 0x10,
    NOVIEW: 0x20,
    READONLY: 0x40,
    LOCKED: 0x80,
    TOGGLENOVIEW: 0x100,
    LOCKEDCONTENTS: 0x200
  };
  var AnnotationFieldFlag = {
    READONLY: 0x0000001,
    REQUIRED: 0x0000002,
    NOEXPORT: 0x0000004,
    MULTILINE: 0x0001000,
    PASSWORD: 0x0002000,
    NOTOGGLETOOFF: 0x0004000,
    RADIO: 0x0008000,
    PUSHBUTTON: 0x0010000,
    COMBO: 0x0020000,
    EDIT: 0x0040000,
    SORT: 0x0080000,
    FILESELECT: 0x0100000,
    MULTISELECT: 0x0200000,
    DONOTSPELLCHECK: 0x0400000,
    DONOTSCROLL: 0x0800000,
    COMB: 0x1000000,
    RICHTEXT: 0x2000000,
    RADIOSINUNISON: 0x2000000,
    COMMITONSELCHANGE: 0x4000000
  };
  var AnnotationBorderStyleType = {
    SOLID: 1,
    DASHED: 2,
    BEVELED: 3,
    INSET: 4,
    UNDERLINE: 5
  };
  var StreamType = {
    UNKNOWN: 0,
    FLATE: 1,
    LZW: 2,
    DCT: 3,
    JPX: 4,
    JBIG: 5,
    A85: 6,
    AHX: 7,
    CCF: 8,
    RL: 9
  };
  var FontType = {
    UNKNOWN: 0,
    TYPE1: 1,
    TYPE1C: 2,
    CIDFONTTYPE0: 3,
    CIDFONTTYPE0C: 4,
    TRUETYPE: 5,
    CIDFONTTYPE2: 6,
    TYPE3: 7,
    OPENTYPE: 8,
    TYPE0: 9,
    MMTYPE1: 10
  };
  var VerbosityLevel = {
    ERRORS: 0,
    WARNINGS: 1,
    INFOS: 5
  };
  var CMapCompressionType = {
    NONE: 0,
    BINARY: 1,
    STREAM: 2
  };
  var OPS = {
    dependency: 1,
    setLineWidth: 2,
    setLineCap: 3,
    setLineJoin: 4,
    setMiterLimit: 5,
    setDash: 6,
    setRenderingIntent: 7,
    setFlatness: 8,
    setGState: 9,
    save: 10,
    restore: 11,
    transform: 12,
    moveTo: 13,
    lineTo: 14,
    curveTo: 15,
    curveTo2: 16,
    curveTo3: 17,
    closePath: 18,
    rectangle: 19,
    stroke: 20,
    closeStroke: 21,
    fill: 22,
    eoFill: 23,
    fillStroke: 24,
    eoFillStroke: 25,
    closeFillStroke: 26,
    closeEOFillStroke: 27,
    endPath: 28,
    clip: 29,
    eoClip: 30,
    beginText: 31,
    endText: 32,
    setCharSpacing: 33,
    setWordSpacing: 34,
    setHScale: 35,
    setLeading: 36,
    setFont: 37,
    setTextRenderingMode: 38,
    setTextRise: 39,
    moveText: 40,
    setLeadingMoveText: 41,
    setTextMatrix: 42,
    nextLine: 43,
    showText: 44,
    showSpacedText: 45,
    nextLineShowText: 46,
    nextLineSetSpacingShowText: 47,
    setCharWidth: 48,
    setCharWidthAndBounds: 49,
    setStrokeColorSpace: 50,
    setFillColorSpace: 51,
    setStrokeColor: 52,
    setStrokeColorN: 53,
    setFillColor: 54,
    setFillColorN: 55,
    setStrokeGray: 56,
    setFillGray: 57,
    setStrokeRGBColor: 58,
    setFillRGBColor: 59,
    setStrokeCMYKColor: 60,
    setFillCMYKColor: 61,
    shadingFill: 62,
    beginInlineImage: 63,
    beginImageData: 64,
    endInlineImage: 65,
    paintXObject: 66,
    markPoint: 67,
    markPointProps: 68,
    beginMarkedContent: 69,
    beginMarkedContentProps: 70,
    endMarkedContent: 71,
    beginCompat: 72,
    endCompat: 73,
    paintFormXObjectBegin: 74,
    paintFormXObjectEnd: 75,
    beginGroup: 76,
    endGroup: 77,
    beginAnnotations: 78,
    endAnnotations: 79,
    beginAnnotation: 80,
    endAnnotation: 81,
    paintJpegXObject: 82,
    paintImageMaskXObject: 83,
    paintImageMaskXObjectGroup: 84,
    paintImageXObject: 85,
    paintInlineImageXObject: 86,
    paintInlineImageXObjectGroup: 87,
    paintImageXObjectRepeat: 88,
    paintImageMaskXObjectRepeat: 89,
    paintSolidColorImageMask: 90,
    constructPath: 91
  };
  var UNSUPPORTED_FEATURES = {
    unknown: 'unknown',
    forms: 'forms',
    javaScript: 'javaScript',
    smask: 'smask',
    shadingPattern: 'shadingPattern',
    font: 'font'
  };
  var PasswordResponses = {
    NEED_PASSWORD: 1,
    INCORRECT_PASSWORD: 2
  };
  var verbosity = VerbosityLevel.WARNINGS;
  function setVerbosityLevel(level) {
    if (Number.isInteger(level)) {
      verbosity = level;
    }
  }
  function getVerbosityLevel() {
    return verbosity;
  }
  function info(msg) {
    if (verbosity >= VerbosityLevel.INFOS) {
      console.log('Info: ' + msg);
    }
  }
  function warn(msg) {
    if (verbosity >= VerbosityLevel.WARNINGS) {
      console.log('Warning: ' + msg);
    }
  }
  function deprecated(details) {
    console.log('Deprecated API usage: ' + details);
  }
  function unreachable(msg) {
    throw new Error(msg);
  }
  function assert(cond, msg) {
    if (!cond) {
      unreachable(msg);
    }
  }
  function isSameOrigin(baseUrl, otherUrl) {
    try {
      var base = new _url_polyfill.URL(baseUrl);
      if (!base.origin || base.origin === 'null') {
        return false;
      }
    } catch (e) {
      return false;
    }
    var other = new _url_polyfill.URL(otherUrl, base);
    return base.origin === other.origin;
  }
  function _isValidProtocol(url) {
    if (!url) {
      return false;
    }
    switch (url.protocol) {
      case 'http:':
      case 'https:':
      case 'ftp:':
      case 'mailto:':
      case 'tel:':
        return true;
      default:
        return false;
    }
  }
  function createValidAbsoluteUrl(url, baseUrl) {
    if (!url) {
      return null;
    }
    try {
      var absoluteUrl = baseUrl ? new _url_polyfill.URL(url, baseUrl) : new _url_polyfill.URL(url);
      if (_isValidProtocol(absoluteUrl)) {
        return absoluteUrl;
      }
    } catch (ex) {}
    return null;
  }
  function shadow(obj, prop, value) {
    Object.defineProperty(obj, prop, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: false
    });
    return value;
  }
  function getLookupTableFactory(initializer) {
    var lookup;
    return function () {
      if (initializer) {
        lookup = Object.create(null);
        initializer(lookup);
        initializer = null;
      }
      return lookup;
    };
  }
  var PasswordException = function PasswordExceptionClosure() {
    function PasswordException(msg, code) {
      this.name = 'PasswordException';
      this.message = msg;
      this.code = code;
    }
    PasswordException.prototype = new Error();
    PasswordException.constructor = PasswordException;
    return PasswordException;
  }();
  var UnknownErrorException = function UnknownErrorExceptionClosure() {
    function UnknownErrorException(msg, details) {
      this.name = 'UnknownErrorException';
      this.message = msg;
      this.details = details;
    }
    UnknownErrorException.prototype = new Error();
    UnknownErrorException.constructor = UnknownErrorException;
    return UnknownErrorException;
  }();
  var InvalidPDFException = function InvalidPDFExceptionClosure() {
    function InvalidPDFException(msg) {
      this.name = 'InvalidPDFException';
      this.message = msg;
    }
    InvalidPDFException.prototype = new Error();
    InvalidPDFException.constructor = InvalidPDFException;
    return InvalidPDFException;
  }();
  var MissingPDFException = function MissingPDFExceptionClosure() {
    function MissingPDFException(msg) {
      this.name = 'MissingPDFException';
      this.message = msg;
    }
    MissingPDFException.prototype = new Error();
    MissingPDFException.constructor = MissingPDFException;
    return MissingPDFException;
  }();
  var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
    function UnexpectedResponseException(msg, status) {
      this.name = 'UnexpectedResponseException';
      this.message = msg;
      this.status = status;
    }
    UnexpectedResponseException.prototype = new Error();
    UnexpectedResponseException.constructor = UnexpectedResponseException;
    return UnexpectedResponseException;
  }();
  var MissingDataException = function MissingDataExceptionClosure() {
    function MissingDataException(begin, end) {
      this.begin = begin;
      this.end = end;
      this.message = 'Missing data [' + begin + ', ' + end + ')';
    }
    MissingDataException.prototype = new Error();
    MissingDataException.prototype.name = 'MissingDataException';
    MissingDataException.constructor = MissingDataException;
    return MissingDataException;
  }();
  var XRefParseException = function XRefParseExceptionClosure() {
    function XRefParseException(msg) {
      this.message = msg;
    }
    XRefParseException.prototype = new Error();
    XRefParseException.prototype.name = 'XRefParseException';
    XRefParseException.constructor = XRefParseException;
    return XRefParseException;
  }();
  var FormatError = function FormatErrorClosure() {
    function FormatError(msg) {
      this.message = msg;
    }
    FormatError.prototype = new Error();
    FormatError.prototype.name = 'FormatError';
    FormatError.constructor = FormatError;
    return FormatError;
  }();
  var AbortException = function AbortExceptionClosure() {
    function AbortException(msg) {
      this.name = 'AbortException';
      this.message = msg;
    }
    AbortException.prototype = new Error();
    AbortException.constructor = AbortException;
    return AbortException;
  }();
  var NullCharactersRegExp = /\x00/g;
  function removeNullCharacters(str) {
    if (typeof str !== 'string') {
      warn('The argument for removeNullCharacters must be a string.');
      return str;
    }
    return str.replace(NullCharactersRegExp, '');
  }
  function bytesToString(bytes) {
    assert(bytes !== null && (typeof bytes === 'undefined' ? 'undefined' : _typeof(bytes)) === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
    var length = bytes.length;
    var MAX_ARGUMENT_COUNT = 8192;
    if (length < MAX_ARGUMENT_COUNT) {
      return String.fromCharCode.apply(null, bytes);
    }
    var strBuf = [];
    for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
      var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
      var chunk = bytes.subarray(i, chunkEnd);
      strBuf.push(String.fromCharCode.apply(null, chunk));
    }
    return strBuf.join('');
  }
  function stringToBytes(str) {
    assert(typeof str === 'string', 'Invalid argument for stringToBytes');
    var length = str.length;
    var bytes = new Uint8Array(length);
    for (var i = 0; i < length; ++i) {
      bytes[i] = str.charCodeAt(i) & 0xFF;
    }
    return bytes;
  }
  function arrayByteLength(arr) {
    if (arr.length !== undefined) {
      return arr.length;
    }
    assert(arr.byteLength !== undefined);
    return arr.byteLength;
  }
  function arraysToBytes(arr) {
    if (arr.length === 1 && arr[0] instanceof Uint8Array) {
      return arr[0];
    }
    var resultLength = 0;
    var i,
        ii = arr.length;
    var item, itemLength;
    for (i = 0; i < ii; i++) {
      item = arr[i];
      itemLength = arrayByteLength(item);
      resultLength += itemLength;
    }
    var pos = 0;
    var data = new Uint8Array(resultLength);
    for (i = 0; i < ii; i++) {
      item = arr[i];
      if (!(item instanceof Uint8Array)) {
        if (typeof item === 'string') {
          item = stringToBytes(item);
        } else {
          item = new Uint8Array(item);
        }
      }
      itemLength = item.byteLength;
      data.set(item, pos);
      pos += itemLength;
    }
    return data;
  }
  function string32(value) {
    return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
  }
  function log2(x) {
    if (x <= 0) {
      return 0;
    }
    return Math.ceil(Math.log2(x));
  }
  function readInt8(data, start) {
    return data[start] << 24 >> 24;
  }
  function readUint16(data, offset) {
    return data[offset] << 8 | data[offset + 1];
  }
  function readUint32(data, offset) {
    return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
  }
  function isLittleEndian() {
    var buffer8 = new Uint8Array(4);
    buffer8[0] = 1;
    var view32 = new Uint32Array(buffer8.buffer, 0, 1);
    return view32[0] === 1;
  }
  function isEvalSupported() {
    try {
      new Function('');
      return true;
    } catch (e) {
      return false;
    }
  }
  function getInheritableProperty(_ref) {
    var dict = _ref.dict,
        key = _ref.key,
        _ref$getArray = _ref.getArray,
        getArray = _ref$getArray === undefined ? false : _ref$getArray,
        _ref$stopWhenFound = _ref.stopWhenFound,
        stopWhenFound = _ref$stopWhenFound === undefined ? true : _ref$stopWhenFound;
  
    var LOOP_LIMIT = 100;
    var loopCount = 0;
    var values = void 0;
    while (dict) {
      var value = getArray ? dict.getArray(key) : dict.get(key);
      if (value !== undefined) {
        if (stopWhenFound) {
          return value;
        }
        if (!values) {
          values = [];
        }
        values.push(value);
      }
      if (++loopCount > LOOP_LIMIT) {
        warn('getInheritableProperty: maximum loop count exceeded for "' + key + '"');
        break;
      }
      dict = dict.get('Parent');
    }
    return values;
  }
  var Util = function UtilClosure() {
    function Util() {}
    var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
    Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
      rgbBuf[1] = r;
      rgbBuf[3] = g;
      rgbBuf[5] = b;
      return rgbBuf.join('');
    };
    Util.transform = function Util_transform(m1, m2) {
      return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
    };
    Util.applyTransform = function Util_applyTransform(p, m) {
      var xt = p[0] * m[0] + p[1] * m[2] + m[4];
      var yt = p[0] * m[1] + p[1] * m[3] + m[5];
      return [xt, yt];
    };
    Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
      var d = m[0] * m[3] - m[1] * m[2];
      var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
      var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
      return [xt, yt];
    };
    Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
      var p1 = Util.applyTransform(r, m);
      var p2 = Util.applyTransform(r.slice(2, 4), m);
      var p3 = Util.applyTransform([r[0], r[3]], m);
      var p4 = Util.applyTransform([r[2], r[1]], m);
      return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
    };
    Util.inverseTransform = function Util_inverseTransform(m) {
      var d = m[0] * m[3] - m[1] * m[2];
      return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
    };
    Util.apply3dTransform = function Util_apply3dTransform(m, v) {
      return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
    };
    Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
      var transpose = [m[0], m[2], m[1], m[3]];
      var a = m[0] * transpose[0] + m[1] * transpose[2];
      var b = m[0] * transpose[1] + m[1] * transpose[3];
      var c = m[2] * transpose[0] + m[3] * transpose[2];
      var d = m[2] * transpose[1] + m[3] * transpose[3];
      var first = (a + d) / 2;
      var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
      var sx = first + second || 1;
      var sy = first - second || 1;
      return [Math.sqrt(sx), Math.sqrt(sy)];
    };
    Util.normalizeRect = function Util_normalizeRect(rect) {
      var r = rect.slice(0);
      if (rect[0] > rect[2]) {
        r[0] = rect[2];
        r[2] = rect[0];
      }
      if (rect[1] > rect[3]) {
        r[1] = rect[3];
        r[3] = rect[1];
      }
      return r;
    };
    Util.intersect = function Util_intersect(rect1, rect2) {
      function compare(a, b) {
        return a - b;
      }
      var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
          orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
          result = [];
      rect1 = Util.normalizeRect(rect1);
      rect2 = Util.normalizeRect(rect2);
      if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
        result[0] = orderedX[1];
        result[2] = orderedX[2];
      } else {
        return false;
      }
      if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
        result[1] = orderedY[1];
        result[3] = orderedY[2];
      } else {
        return false;
      }
      return result;
    };
    return Util;
  }();
  var ROMAN_NUMBER_MAP = ['', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'];
  function toRomanNumerals(number) {
    var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
    assert(Number.isInteger(number) && number > 0, 'The number should be a positive integer.');
    var pos = void 0,
        romanBuf = [];
    while (number >= 1000) {
      number -= 1000;
      romanBuf.push('M');
    }
    pos = number / 100 | 0;
    number %= 100;
    romanBuf.push(ROMAN_NUMBER_MAP[pos]);
    pos = number / 10 | 0;
    number %= 10;
    romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
    romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
    var romanStr = romanBuf.join('');
    return lowerCase ? romanStr.toLowerCase() : romanStr;
  }
  var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
  function stringToPDFString(str) {
    var i,
        n = str.length,
        strBuf = [];
    if (str[0] === '\xFE' && str[1] === '\xFF') {
      for (i = 2; i < n; i += 2) {
        strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
      }
    } else {
      for (i = 0; i < n; ++i) {
        var code = PDFStringTranslateTable[str.charCodeAt(i)];
        strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
      }
    }
    return strBuf.join('');
  }
  function stringToUTF8String(str) {
    return decodeURIComponent(escape(str));
  }
  function utf8StringToString(str) {
    return unescape(encodeURIComponent(str));
  }
  function isEmptyObj(obj) {
    for (var key in obj) {
      return false;
    }
    return true;
  }
  function isBool(v) {
    return typeof v === 'boolean';
  }
  function isNum(v) {
    return typeof v === 'number';
  }
  function isString(v) {
    return typeof v === 'string';
  }
  function isArrayBuffer(v) {
    return (typeof v === 'undefined' ? 'undefined' : _typeof(v)) === 'object' && v !== null && v.byteLength !== undefined;
  }
  function isSpace(ch) {
    return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
  }
  function createPromiseCapability() {
    var capability = {};
    capability.promise = new Promise(function (resolve, reject) {
      capability.resolve = resolve;
      capability.reject = reject;
    });
    return capability;
  }
  var createObjectURL = function createObjectURLClosure() {
    var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
    return function createObjectURL(data, contentType) {
      var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
      if (!forceDataSchema && _url_polyfill.URL.createObjectURL) {
        var blob = new Blob([data], { type: contentType });
        return _url_polyfill.URL.createObjectURL(blob);
      }
      var buffer = 'data:' + contentType + ';base64,';
      for (var i = 0, ii = data.length; i < ii; i += 3) {
        var b1 = data[i] & 0xFF;
        var b2 = data[i + 1] & 0xFF;
        var b3 = data[i + 2] & 0xFF;
        var d1 = b1 >> 2,
            d2 = (b1 & 3) << 4 | b2 >> 4;
        var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
        var d4 = i + 2 < ii ? b3 & 0x3F : 64;
        buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
      }
      return buffer;
    };
  }();
  exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
  exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
  exports.OPS = OPS;
  exports.VerbosityLevel = VerbosityLevel;
  exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
  exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
  exports.AnnotationFieldFlag = AnnotationFieldFlag;
  exports.AnnotationFlag = AnnotationFlag;
  exports.AnnotationType = AnnotationType;
  exports.FontType = FontType;
  exports.ImageKind = ImageKind;
  exports.CMapCompressionType = CMapCompressionType;
  exports.AbortException = AbortException;
  exports.InvalidPDFException = InvalidPDFException;
  exports.MissingDataException = MissingDataException;
  exports.MissingPDFException = MissingPDFException;
  exports.NativeImageDecoding = NativeImageDecoding;
  exports.PasswordException = PasswordException;
  exports.PasswordResponses = PasswordResponses;
  exports.PermissionFlag = PermissionFlag;
  exports.StreamType = StreamType;
  exports.TextRenderingMode = TextRenderingMode;
  exports.UnexpectedResponseException = UnexpectedResponseException;
  exports.UnknownErrorException = UnknownErrorException;
  exports.Util = Util;
  exports.toRomanNumerals = toRomanNumerals;
  exports.XRefParseException = XRefParseException;
  exports.FormatError = FormatError;
  exports.arrayByteLength = arrayByteLength;
  exports.arraysToBytes = arraysToBytes;
  exports.assert = assert;
  exports.bytesToString = bytesToString;
  exports.createPromiseCapability = createPromiseCapability;
  exports.createObjectURL = createObjectURL;
  exports.deprecated = deprecated;
  exports.getInheritableProperty = getInheritableProperty;
  exports.getLookupTableFactory = getLookupTableFactory;
  exports.getVerbosityLevel = getVerbosityLevel;
  exports.info = info;
  exports.isArrayBuffer = isArrayBuffer;
  exports.isBool = isBool;
  exports.isEmptyObj = isEmptyObj;
  exports.isNum = isNum;
  exports.isString = isString;
  exports.isSpace = isSpace;
  exports.isSameOrigin = isSameOrigin;
  exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
  exports.isLittleEndian = isLittleEndian;
  exports.isEvalSupported = isEvalSupported;
  exports.log2 = log2;
  exports.readInt8 = readInt8;
  exports.readUint16 = readUint16;
  exports.readUint32 = readUint32;
  exports.removeNullCharacters = removeNullCharacters;
  exports.ReadableStream = _streams_polyfill.ReadableStream;
  exports.URL = _url_polyfill.URL;
  exports.setVerbosityLevel = setVerbosityLevel;
  exports.shadow = shadow;
  exports.string32 = string32;
  exports.stringToBytes = stringToBytes;
  exports.stringToPDFString = stringToPDFString;
  exports.stringToUTF8String = stringToUTF8String;
  exports.utf8StringToString = utf8StringToString;
  exports.warn = warn;
  exports.unreachable = unreachable;
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var globalScope = __w_pdfjs_require__(3);
  if (!globalScope._pdfjsCompatibilityChecked) {
    globalScope._pdfjsCompatibilityChecked = true;
    var isNodeJS = __w_pdfjs_require__(4);
    var hasDOM = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && (typeof document === 'undefined' ? 'undefined' : _typeof(document)) === 'object';
    (function checkNodeBtoa() {
      if (globalScope.btoa || !isNodeJS()) {
        return;
      }
      globalScope.btoa = function (chars) {
        return Buffer.from(chars, 'binary').toString('base64');
      };
    })();
    (function checkNodeAtob() {
      if (globalScope.atob || !isNodeJS()) {
        return;
      }
      globalScope.atob = function (input) {
        return Buffer.from(input, 'base64').toString('binary');
      };
    })();
    (function checkCurrentScript() {
      if (!hasDOM) {
        return;
      }
      if ('currentScript' in document) {
        return;
      }
      Object.defineProperty(document, 'currentScript', {
        get: function get() {
          var scripts = document.getElementsByTagName('script');
          return scripts[scripts.length - 1];
        },
  
        enumerable: true,
        configurable: true
      });
    })();
    (function checkChildNodeRemove() {
      if (!hasDOM) {
        return;
      }
      if (typeof Element.prototype.remove !== 'undefined') {
        return;
      }
      Element.prototype.remove = function () {
        if (this.parentNode) {
          this.parentNode.removeChild(this);
        }
      };
    })();
    (function checkStringIncludes() {
      if (String.prototype.includes) {
        return;
      }
      __w_pdfjs_require__(5);
    })();
    (function checkArrayIncludes() {
      if (Array.prototype.includes) {
        return;
      }
      __w_pdfjs_require__(33);
    })();
    (function checkObjectAssign() {
      if (Object.assign) {
        return;
      }
      __w_pdfjs_require__(42);
    })();
    (function checkMathLog2() {
      if (Math.log2) {
        return;
      }
      Math.log2 = __w_pdfjs_require__(52);
    })();
    (function checkNumberIsNaN() {
      if (Number.isNaN) {
        return;
      }
      Number.isNaN = __w_pdfjs_require__(54);
    })();
    (function checkNumberIsInteger() {
      if (Number.isInteger) {
        return;
      }
      Number.isInteger = __w_pdfjs_require__(56);
    })();
    (function checkPromise() {
      if (globalScope.Promise) {
        return;
      }
      globalScope.Promise = __w_pdfjs_require__(59);
    })();
    (function checkWeakMap() {
      if (globalScope.WeakMap) {
        return;
      }
      globalScope.WeakMap = __w_pdfjs_require__(94);
    })();
    (function checkStringCodePointAt() {
      if (String.codePointAt) {
        return;
      }
      String.codePointAt = __w_pdfjs_require__(111);
    })();
    (function checkStringFromCodePoint() {
      if (String.fromCodePoint) {
        return;
      }
      String.fromCodePoint = __w_pdfjs_require__(113);
    })();
    (function checkObjectValues() {
      if (Object.values) {
        return;
      }
      Object.values = __w_pdfjs_require__(115);
    })();
  }
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : {};
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  module.exports = function isNodeJS() {
    return (typeof process === 'undefined' ? 'undefined' : _typeof(process)) === 'object' && process + '' === '[object process]';
  };
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(6);
  module.exports = __w_pdfjs_require__(9).String.includes;
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var context = __w_pdfjs_require__(25);
  var INCLUDES = 'includes';
  $export($export.P + $export.F * __w_pdfjs_require__(32)(INCLUDES), 'String', {
    includes: function includes(searchString) {
      return !!~context(this, searchString, INCLUDES).indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
    }
  });
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var core = __w_pdfjs_require__(9);
  var hide = __w_pdfjs_require__(10);
  var redefine = __w_pdfjs_require__(20);
  var ctx = __w_pdfjs_require__(23);
  var PROTOTYPE = 'prototype';
  var $export = function $export(type, name, source) {
    var IS_FORCED = type & $export.F;
    var IS_GLOBAL = type & $export.G;
    var IS_STATIC = type & $export.S;
    var IS_PROTO = type & $export.P;
    var IS_BIND = type & $export.B;
    var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];
    var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
    var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
    var key, own, out, exp;
    if (IS_GLOBAL) source = name;
    for (key in source) {
      own = !IS_FORCED && target && target[key] !== undefined;
      out = (own ? target : source)[key];
      exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
      if (target) redefine(target, key, out, type & $export.U);
      if (exports[key] != out) hide(exports, key, exp);
      if (IS_PROTO && expProto[key] != out) expProto[key] = out;
    }
  };
  global.core = core;
  $export.F = 1;
  $export.G = 2;
  $export.S = 4;
  $export.P = 8;
  $export.B = 16;
  $export.W = 32;
  $export.U = 64;
  $export.R = 128;
  module.exports = $export;
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
  if (typeof __g == 'number') __g = global;
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var core = module.exports = { version: '2.5.7' };
  if (typeof __e == 'number') __e = core;
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var dP = __w_pdfjs_require__(11);
  var createDesc = __w_pdfjs_require__(19);
  module.exports = __w_pdfjs_require__(15) ? function (object, key, value) {
    return dP.f(object, key, createDesc(1, value));
  } : function (object, key, value) {
    object[key] = value;
    return object;
  };
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var anObject = __w_pdfjs_require__(12);
  var IE8_DOM_DEFINE = __w_pdfjs_require__(14);
  var toPrimitive = __w_pdfjs_require__(18);
  var dP = Object.defineProperty;
  exports.f = __w_pdfjs_require__(15) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPrimitive(P, true);
    anObject(Attributes);
    if (IE8_DOM_DEFINE) try {
      return dP(O, P, Attributes);
    } catch (e) {}
    if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  module.exports = function (it) {
    if (!isObject(it)) throw TypeError(it + ' is not an object!');
    return it;
  };
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  module.exports = function (it) {
    return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) === 'object' ? it !== null : typeof it === 'function';
  };
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = !__w_pdfjs_require__(15) && !__w_pdfjs_require__(16)(function () {
    return Object.defineProperty(__w_pdfjs_require__(17)('div'), 'a', {
      get: function get() {
        return 7;
      }
    }).a != 7;
  });
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = !__w_pdfjs_require__(16)(function () {
    return Object.defineProperty({}, 'a', {
      get: function get() {
        return 7;
      }
    }).a != 7;
  });
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (exec) {
    try {
      return !!exec();
    } catch (e) {
      return true;
    }
  };
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var document = __w_pdfjs_require__(8).document;
  var is = isObject(document) && isObject(document.createElement);
  module.exports = function (it) {
    return is ? document.createElement(it) : {};
  };
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  module.exports = function (it, S) {
    if (!isObject(it)) return it;
    var fn, val;
    if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
    if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
    throw TypeError("Can't convert object to primitive value");
  };
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (bitmap, value) {
    return {
      enumerable: !(bitmap & 1),
      configurable: !(bitmap & 2),
      writable: !(bitmap & 4),
      value: value
    };
  };
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var hide = __w_pdfjs_require__(10);
  var has = __w_pdfjs_require__(21);
  var SRC = __w_pdfjs_require__(22)('src');
  var TO_STRING = 'toString';
  var $toString = Function[TO_STRING];
  var TPL = ('' + $toString).split(TO_STRING);
  __w_pdfjs_require__(9).inspectSource = function (it) {
    return $toString.call(it);
  };
  (module.exports = function (O, key, val, safe) {
    var isFunction = typeof val == 'function';
    if (isFunction) has(val, 'name') || hide(val, 'name', key);
    if (O[key] === val) return;
    if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
    if (O === global) {
      O[key] = val;
    } else if (!safe) {
      delete O[key];
      hide(O, key, val);
    } else if (O[key]) {
      O[key] = val;
    } else {
      hide(O, key, val);
    }
  })(Function.prototype, TO_STRING, function toString() {
    return typeof this == 'function' && this[SRC] || $toString.call(this);
  });
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var hasOwnProperty = {}.hasOwnProperty;
  module.exports = function (it, key) {
    return hasOwnProperty.call(it, key);
  };
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var id = 0;
  var px = Math.random();
  module.exports = function (key) {
    return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
  };
  
  /***/ }),
  /* 23 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var aFunction = __w_pdfjs_require__(24);
  module.exports = function (fn, that, length) {
    aFunction(fn);
    if (that === undefined) return fn;
    switch (length) {
      case 1:
        return function (a) {
          return fn.call(that, a);
        };
      case 2:
        return function (a, b) {
          return fn.call(that, a, b);
        };
      case 3:
        return function (a, b, c) {
          return fn.call(that, a, b, c);
        };
    }
    return function () {
      return fn.apply(that, arguments);
    };
  };
  
  /***/ }),
  /* 24 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (it) {
    if (typeof it != 'function') throw TypeError(it + ' is not a function!');
    return it;
  };
  
  /***/ }),
  /* 25 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isRegExp = __w_pdfjs_require__(26);
  var defined = __w_pdfjs_require__(31);
  module.exports = function (that, searchString, NAME) {
    if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
    return String(defined(that));
  };
  
  /***/ }),
  /* 26 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var cof = __w_pdfjs_require__(27);
  var MATCH = __w_pdfjs_require__(28)('match');
  module.exports = function (it) {
    var isRegExp;
    return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
  };
  
  /***/ }),
  /* 27 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var toString = {}.toString;
  module.exports = function (it) {
    return toString.call(it).slice(8, -1);
  };
  
  /***/ }),
  /* 28 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var store = __w_pdfjs_require__(29)('wks');
  var uid = __w_pdfjs_require__(22);
  var _Symbol = __w_pdfjs_require__(8).Symbol;
  var USE_SYMBOL = typeof _Symbol == 'function';
  var $exports = module.exports = function (name) {
    return store[name] || (store[name] = USE_SYMBOL && _Symbol[name] || (USE_SYMBOL ? _Symbol : uid)('Symbol.' + name));
  };
  $exports.store = store;
  
  /***/ }),
  /* 29 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var core = __w_pdfjs_require__(9);
  var global = __w_pdfjs_require__(8);
  var SHARED = '__core-js_shared__';
  var store = global[SHARED] || (global[SHARED] = {});
  (module.exports = function (key, value) {
    return store[key] || (store[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: core.version,
    mode: __w_pdfjs_require__(30) ? 'pure' : 'global',
    copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
  });
  
  /***/ }),
  /* 30 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = false;
  
  /***/ }),
  /* 31 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (it) {
    if (it == undefined) throw TypeError("Can't call method on  " + it);
    return it;
  };
  
  /***/ }),
  /* 32 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var MATCH = __w_pdfjs_require__(28)('match');
  module.exports = function (KEY) {
    var re = /./;
    try {
      '/./'[KEY](re);
    } catch (e) {
      try {
        re[MATCH] = false;
        return !'/./'[KEY](re);
      } catch (f) {}
    }
    return true;
  };
  
  /***/ }),
  /* 33 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(34);
  module.exports = __w_pdfjs_require__(9).Array.includes;
  
  /***/ }),
  /* 34 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var $includes = __w_pdfjs_require__(35)(true);
  $export($export.P, 'Array', {
    includes: function includes(el) {
      return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
    }
  });
  __w_pdfjs_require__(41)('includes');
  
  /***/ }),
  /* 35 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var toIObject = __w_pdfjs_require__(36);
  var toLength = __w_pdfjs_require__(38);
  var toAbsoluteIndex = __w_pdfjs_require__(40);
  module.exports = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIObject($this);
      var length = toLength(O.length);
      var index = toAbsoluteIndex(fromIndex, length);
      var value;
      if (IS_INCLUDES && el != el) while (length > index) {
        value = O[index++];
        if (value != value) return true;
      } else for (; length > index; index++) {
        if (IS_INCLUDES || index in O) {
          if (O[index] === el) return IS_INCLUDES || index || 0;
        }
      }return !IS_INCLUDES && -1;
    };
  };
  
  /***/ }),
  /* 36 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var IObject = __w_pdfjs_require__(37);
  var defined = __w_pdfjs_require__(31);
  module.exports = function (it) {
    return IObject(defined(it));
  };
  
  /***/ }),
  /* 37 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var cof = __w_pdfjs_require__(27);
  module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
    return cof(it) == 'String' ? it.split('') : Object(it);
  };
  
  /***/ }),
  /* 38 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var toInteger = __w_pdfjs_require__(39);
  var min = Math.min;
  module.exports = function (it) {
    return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0;
  };
  
  /***/ }),
  /* 39 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var ceil = Math.ceil;
  var floor = Math.floor;
  module.exports = function (it) {
    return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
  };
  
  /***/ }),
  /* 40 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var toInteger = __w_pdfjs_require__(39);
  var max = Math.max;
  var min = Math.min;
  module.exports = function (index, length) {
    index = toInteger(index);
    return index < 0 ? max(index + length, 0) : min(index, length);
  };
  
  /***/ }),
  /* 41 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var UNSCOPABLES = __w_pdfjs_require__(28)('unscopables');
  var ArrayProto = Array.prototype;
  if (ArrayProto[UNSCOPABLES] == undefined) __w_pdfjs_require__(10)(ArrayProto, UNSCOPABLES, {});
  module.exports = function (key) {
    ArrayProto[UNSCOPABLES][key] = true;
  };
  
  /***/ }),
  /* 42 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(43);
  module.exports = __w_pdfjs_require__(9).Object.assign;
  
  /***/ }),
  /* 43 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  $export($export.S + $export.F, 'Object', { assign: __w_pdfjs_require__(44) });
  
  /***/ }),
  /* 44 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var getKeys = __w_pdfjs_require__(45);
  var gOPS = __w_pdfjs_require__(49);
  var pIE = __w_pdfjs_require__(50);
  var toObject = __w_pdfjs_require__(51);
  var IObject = __w_pdfjs_require__(37);
  var $assign = Object.assign;
  module.exports = !$assign || __w_pdfjs_require__(16)(function () {
    var A = {};
    var B = {};
    var S = Symbol();
    var K = 'abcdefghijklmnopqrst';
    A[S] = 7;
    K.split('').forEach(function (k) {
      B[k] = k;
    });
    return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
  }) ? function assign(target, source) {
    var T = toObject(target);
    var aLen = arguments.length;
    var index = 1;
    var getSymbols = gOPS.f;
    var isEnum = pIE.f;
    while (aLen > index) {
      var S = IObject(arguments[index++]);
      var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
      var length = keys.length;
      var j = 0;
      var key;
      while (length > j) {
        if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
      }
    }
    return T;
  } : $assign;
  
  /***/ }),
  /* 45 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $keys = __w_pdfjs_require__(46);
  var enumBugKeys = __w_pdfjs_require__(48);
  module.exports = Object.keys || function keys(O) {
    return $keys(O, enumBugKeys);
  };
  
  /***/ }),
  /* 46 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var has = __w_pdfjs_require__(21);
  var toIObject = __w_pdfjs_require__(36);
  var arrayIndexOf = __w_pdfjs_require__(35)(false);
  var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO');
  module.exports = function (object, names) {
    var O = toIObject(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) {
      if (key != IE_PROTO) has(O, key) && result.push(key);
    }while (names.length > i) {
      if (has(O, key = names[i++])) {
        ~arrayIndexOf(result, key) || result.push(key);
      }
    }return result;
  };
  
  /***/ }),
  /* 47 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var shared = __w_pdfjs_require__(29)('keys');
  var uid = __w_pdfjs_require__(22);
  module.exports = function (key) {
    return shared[key] || (shared[key] = uid(key));
  };
  
  /***/ }),
  /* 48 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'.split(',');
  
  /***/ }),
  /* 49 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  exports.f = Object.getOwnPropertySymbols;
  
  /***/ }),
  /* 50 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  exports.f = {}.propertyIsEnumerable;
  
  /***/ }),
  /* 51 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var defined = __w_pdfjs_require__(31);
  module.exports = function (it) {
    return Object(defined(it));
  };
  
  /***/ }),
  /* 52 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(53);
  module.exports = __w_pdfjs_require__(9).Math.log2;
  
  /***/ }),
  /* 53 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  $export($export.S, 'Math', {
    log2: function log2(x) {
      return Math.log(x) / Math.LN2;
    }
  });
  
  /***/ }),
  /* 54 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(55);
  module.exports = __w_pdfjs_require__(9).Number.isNaN;
  
  /***/ }),
  /* 55 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  $export($export.S, 'Number', {
    isNaN: function isNaN(number) {
      return number != number;
    }
  });
  
  /***/ }),
  /* 56 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(57);
  module.exports = __w_pdfjs_require__(9).Number.isInteger;
  
  /***/ }),
  /* 57 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  $export($export.S, 'Number', { isInteger: __w_pdfjs_require__(58) });
  
  /***/ }),
  /* 58 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var floor = Math.floor;
  module.exports = function isInteger(it) {
    return !isObject(it) && isFinite(it) && floor(it) === it;
  };
  
  /***/ }),
  /* 59 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(60);
  __w_pdfjs_require__(62);
  __w_pdfjs_require__(72);
  __w_pdfjs_require__(75);
  __w_pdfjs_require__(92);
  __w_pdfjs_require__(93);
  module.exports = __w_pdfjs_require__(9).Promise;
  
  /***/ }),
  /* 60 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var classof = __w_pdfjs_require__(61);
  var test = {};
  test[__w_pdfjs_require__(28)('toStringTag')] = 'z';
  if (test + '' != '[object z]') {
    __w_pdfjs_require__(20)(Object.prototype, 'toString', function toString() {
      return '[object ' + classof(this) + ']';
    }, true);
  }
  
  /***/ }),
  /* 61 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var cof = __w_pdfjs_require__(27);
  var TAG = __w_pdfjs_require__(28)('toStringTag');
  var ARG = cof(function () {
    return arguments;
  }()) == 'Arguments';
  var tryGet = function tryGet(it, key) {
    try {
      return it[key];
    } catch (e) {}
  };
  module.exports = function (it) {
    var O, T, B;
    return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T : ARG ? cof(O) : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
  };
  
  /***/ }),
  /* 62 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $at = __w_pdfjs_require__(63)(true);
  __w_pdfjs_require__(64)(String, 'String', function (iterated) {
    this._t = String(iterated);
    this._i = 0;
  }, function () {
    var O = this._t;
    var index = this._i;
    var point;
    if (index >= O.length) return {
      value: undefined,
      done: true
    };
    point = $at(O, index);
    this._i += point.length;
    return {
      value: point,
      done: false
    };
  });
  
  /***/ }),
  /* 63 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var toInteger = __w_pdfjs_require__(39);
  var defined = __w_pdfjs_require__(31);
  module.exports = function (TO_STRING) {
    return function (that, pos) {
      var s = String(defined(that));
      var i = toInteger(pos);
      var l = s.length;
      var a, b;
      if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
      a = s.charCodeAt(i);
      return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff ? TO_STRING ? s.charAt(i) : a : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
    };
  };
  
  /***/ }),
  /* 64 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var LIBRARY = __w_pdfjs_require__(30);
  var $export = __w_pdfjs_require__(7);
  var redefine = __w_pdfjs_require__(20);
  var hide = __w_pdfjs_require__(10);
  var Iterators = __w_pdfjs_require__(65);
  var $iterCreate = __w_pdfjs_require__(66);
  var setToStringTag = __w_pdfjs_require__(70);
  var getPrototypeOf = __w_pdfjs_require__(71);
  var ITERATOR = __w_pdfjs_require__(28)('iterator');
  var BUGGY = !([].keys && 'next' in [].keys());
  var FF_ITERATOR = '@@iterator';
  var KEYS = 'keys';
  var VALUES = 'values';
  var returnThis = function returnThis() {
    return this;
  };
  module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
    $iterCreate(Constructor, NAME, next);
    var getMethod = function getMethod(kind) {
      if (!BUGGY && kind in proto) return proto[kind];
      switch (kind) {
        case KEYS:
          return function keys() {
            return new Constructor(this, kind);
          };
        case VALUES:
          return function values() {
            return new Constructor(this, kind);
          };
      }
      return function entries() {
        return new Constructor(this, kind);
      };
    };
    var TAG = NAME + ' Iterator';
    var DEF_VALUES = DEFAULT == VALUES;
    var VALUES_BUG = false;
    var proto = Base.prototype;
    var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
    var $default = $native || getMethod(DEFAULT);
    var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
    var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
    var methods, key, IteratorPrototype;
    if ($anyNative) {
      IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
      if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
        setToStringTag(IteratorPrototype, TAG, true);
        if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
      }
    }
    if (DEF_VALUES && $native && $native.name !== VALUES) {
      VALUES_BUG = true;
      $default = function values() {
        return $native.call(this);
      };
    }
    if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
      hide(proto, ITERATOR, $default);
    }
    Iterators[NAME] = $default;
    Iterators[TAG] = returnThis;
    if (DEFAULT) {
      methods = {
        values: DEF_VALUES ? $default : getMethod(VALUES),
        keys: IS_SET ? $default : getMethod(KEYS),
        entries: $entries
      };
      if (FORCED) for (key in methods) {
        if (!(key in proto)) redefine(proto, key, methods[key]);
      } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
    }
    return methods;
  };
  
  /***/ }),
  /* 65 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = {};
  
  /***/ }),
  /* 66 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var create = __w_pdfjs_require__(67);
  var descriptor = __w_pdfjs_require__(19);
  var setToStringTag = __w_pdfjs_require__(70);
  var IteratorPrototype = {};
  __w_pdfjs_require__(10)(IteratorPrototype, __w_pdfjs_require__(28)('iterator'), function () {
    return this;
  });
  module.exports = function (Constructor, NAME, next) {
    Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });
    setToStringTag(Constructor, NAME + ' Iterator');
  };
  
  /***/ }),
  /* 67 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var anObject = __w_pdfjs_require__(12);
  var dPs = __w_pdfjs_require__(68);
  var enumBugKeys = __w_pdfjs_require__(48);
  var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO');
  var Empty = function Empty() {};
  var PROTOTYPE = 'prototype';
  var _createDict = function createDict() {
    var iframe = __w_pdfjs_require__(17)('iframe');
    var i = enumBugKeys.length;
    var lt = '<';
    var gt = '>';
    var iframeDocument;
    iframe.style.display = 'none';
    __w_pdfjs_require__(69).appendChild(iframe);
    iframe.src = 'javascript:';
    iframeDocument = iframe.contentWindow.document;
    iframeDocument.open();
    iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
    iframeDocument.close();
    _createDict = iframeDocument.F;
    while (i--) {
      delete _createDict[PROTOTYPE][enumBugKeys[i]];
    }return _createDict();
  };
  module.exports = Object.create || function create(O, Properties) {
    var result;
    if (O !== null) {
      Empty[PROTOTYPE] = anObject(O);
      result = new Empty();
      Empty[PROTOTYPE] = null;
      result[IE_PROTO] = O;
    } else result = _createDict();
    return Properties === undefined ? result : dPs(result, Properties);
  };
  
  /***/ }),
  /* 68 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var dP = __w_pdfjs_require__(11);
  var anObject = __w_pdfjs_require__(12);
  var getKeys = __w_pdfjs_require__(45);
  module.exports = __w_pdfjs_require__(15) ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject(O);
    var keys = getKeys(Properties);
    var length = keys.length;
    var i = 0;
    var P;
    while (length > i) {
      dP.f(O, P = keys[i++], Properties[P]);
    }return O;
  };
  
  /***/ }),
  /* 69 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var document = __w_pdfjs_require__(8).document;
  module.exports = document && document.documentElement;
  
  /***/ }),
  /* 70 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var def = __w_pdfjs_require__(11).f;
  var has = __w_pdfjs_require__(21);
  var TAG = __w_pdfjs_require__(28)('toStringTag');
  module.exports = function (it, tag, stat) {
    if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, {
      configurable: true,
      value: tag
    });
  };
  
  /***/ }),
  /* 71 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var has = __w_pdfjs_require__(21);
  var toObject = __w_pdfjs_require__(51);
  var IE_PROTO = __w_pdfjs_require__(47)('IE_PROTO');
  var ObjectProto = Object.prototype;
  module.exports = Object.getPrototypeOf || function (O) {
    O = toObject(O);
    if (has(O, IE_PROTO)) return O[IE_PROTO];
    if (typeof O.constructor == 'function' && O instanceof O.constructor) {
      return O.constructor.prototype;
    }
    return O instanceof Object ? ObjectProto : null;
  };
  
  /***/ }),
  /* 72 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $iterators = __w_pdfjs_require__(73);
  var getKeys = __w_pdfjs_require__(45);
  var redefine = __w_pdfjs_require__(20);
  var global = __w_pdfjs_require__(8);
  var hide = __w_pdfjs_require__(10);
  var Iterators = __w_pdfjs_require__(65);
  var wks = __w_pdfjs_require__(28);
  var ITERATOR = wks('iterator');
  var TO_STRING_TAG = wks('toStringTag');
  var ArrayValues = Iterators.Array;
  var DOMIterables = {
    CSSRuleList: true,
    CSSStyleDeclaration: false,
    CSSValueList: false,
    ClientRectList: false,
    DOMRectList: false,
    DOMStringList: false,
    DOMTokenList: true,
    DataTransferItemList: false,
    FileList: false,
    HTMLAllCollection: false,
    HTMLCollection: false,
    HTMLFormElement: false,
    HTMLSelectElement: false,
    MediaList: true,
    MimeTypeArray: false,
    NamedNodeMap: false,
    NodeList: true,
    PaintRequestList: false,
    Plugin: false,
    PluginArray: false,
    SVGLengthList: false,
    SVGNumberList: false,
    SVGPathSegList: false,
    SVGPointList: false,
    SVGStringList: false,
    SVGTransformList: false,
    SourceBufferList: false,
    StyleSheetList: true,
    TextTrackCueList: false,
    TextTrackList: false,
    TouchList: false
  };
  for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {
    var NAME = collections[i];
    var explicit = DOMIterables[NAME];
    var Collection = global[NAME];
    var proto = Collection && Collection.prototype;
    var key;
    if (proto) {
      if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);
      if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);
      Iterators[NAME] = ArrayValues;
      if (explicit) for (key in $iterators) {
        if (!proto[key]) redefine(proto, key, $iterators[key], true);
      }
    }
  }
  
  /***/ }),
  /* 73 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var addToUnscopables = __w_pdfjs_require__(41);
  var step = __w_pdfjs_require__(74);
  var Iterators = __w_pdfjs_require__(65);
  var toIObject = __w_pdfjs_require__(36);
  module.exports = __w_pdfjs_require__(64)(Array, 'Array', function (iterated, kind) {
    this._t = toIObject(iterated);
    this._i = 0;
    this._k = kind;
  }, function () {
    var O = this._t;
    var kind = this._k;
    var index = this._i++;
    if (!O || index >= O.length) {
      this._t = undefined;
      return step(1);
    }
    if (kind == 'keys') return step(0, index);
    if (kind == 'values') return step(0, O[index]);
    return step(0, [index, O[index]]);
  }, 'values');
  Iterators.Arguments = Iterators.Array;
  addToUnscopables('keys');
  addToUnscopables('values');
  addToUnscopables('entries');
  
  /***/ }),
  /* 74 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (done, value) {
    return {
      value: value,
      done: !!done
    };
  };
  
  /***/ }),
  /* 75 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var LIBRARY = __w_pdfjs_require__(30);
  var global = __w_pdfjs_require__(8);
  var ctx = __w_pdfjs_require__(23);
  var classof = __w_pdfjs_require__(61);
  var $export = __w_pdfjs_require__(7);
  var isObject = __w_pdfjs_require__(13);
  var aFunction = __w_pdfjs_require__(24);
  var anInstance = __w_pdfjs_require__(76);
  var forOf = __w_pdfjs_require__(77);
  var speciesConstructor = __w_pdfjs_require__(81);
  var task = __w_pdfjs_require__(82).set;
  var microtask = __w_pdfjs_require__(84)();
  var newPromiseCapabilityModule = __w_pdfjs_require__(85);
  var perform = __w_pdfjs_require__(86);
  var userAgent = __w_pdfjs_require__(87);
  var promiseResolve = __w_pdfjs_require__(88);
  var PROMISE = 'Promise';
  var TypeError = global.TypeError;
  var process = global.process;
  var versions = process && process.versions;
  var v8 = versions && versions.v8 || '';
  var $Promise = global[PROMISE];
  var isNode = classof(process) == 'process';
  var empty = function empty() {};
  var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;
  var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f;
  var USE_NATIVE = !!function () {
    try {
      var promise = $Promise.resolve(1);
      var FakePromise = (promise.constructor = {})[__w_pdfjs_require__(28)('species')] = function (exec) {
        exec(empty, empty);
      };
      return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise && v8.indexOf('6.6') !== 0 && userAgent.indexOf('Chrome/66') === -1;
    } catch (e) {}
  }();
  var isThenable = function isThenable(it) {
    var then;
    return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
  };
  var notify = function notify(promise, isReject) {
    if (promise._n) return;
    promise._n = true;
    var chain = promise._c;
    microtask(function () {
      var value = promise._v;
      var ok = promise._s == 1;
      var i = 0;
      var run = function run(reaction) {
        var handler = ok ? reaction.ok : reaction.fail;
        var resolve = reaction.resolve;
        var reject = reaction.reject;
        var domain = reaction.domain;
        var result, then, exited;
        try {
          if (handler) {
            if (!ok) {
              if (promise._h == 2) onHandleUnhandled(promise);
              promise._h = 1;
            }
            if (handler === true) result = value;else {
              if (domain) domain.enter();
              result = handler(value);
              if (domain) {
                domain.exit();
                exited = true;
              }
            }
            if (result === reaction.promise) {
              reject(TypeError('Promise-chain cycle'));
            } else if (then = isThenable(result)) {
              then.call(result, resolve, reject);
            } else resolve(result);
          } else reject(value);
        } catch (e) {
          if (domain && !exited) domain.exit();
          reject(e);
        }
      };
      while (chain.length > i) {
        run(chain[i++]);
      }promise._c = [];
      promise._n = false;
      if (isReject && !promise._h) onUnhandled(promise);
    });
  };
  var onUnhandled = function onUnhandled(promise) {
    task.call(global, function () {
      var value = promise._v;
      var unhandled = isUnhandled(promise);
      var result, handler, console;
      if (unhandled) {
        result = perform(function () {
          if (isNode) {
            process.emit('unhandledRejection', value, promise);
          } else if (handler = global.onunhandledrejection) {
            handler({
              promise: promise,
              reason: value
            });
          } else if ((console = global.console) && console.error) {
            console.error('Unhandled promise rejection', value);
          }
        });
        promise._h = isNode || isUnhandled(promise) ? 2 : 1;
      }
      promise._a = undefined;
      if (unhandled && result.e) throw result.v;
    });
  };
  var isUnhandled = function isUnhandled(promise) {
    return promise._h !== 1 && (promise._a || promise._c).length === 0;
  };
  var onHandleUnhandled = function onHandleUnhandled(promise) {
    task.call(global, function () {
      var handler;
      if (isNode) {
        process.emit('rejectionHandled', promise);
      } else if (handler = global.onrejectionhandled) {
        handler({
          promise: promise,
          reason: promise._v
        });
      }
    });
  };
  var $reject = function $reject(value) {
    var promise = this;
    if (promise._d) return;
    promise._d = true;
    promise = promise._w || promise;
    promise._v = value;
    promise._s = 2;
    if (!promise._a) promise._a = promise._c.slice();
    notify(promise, true);
  };
  var $resolve = function $resolve(value) {
    var promise = this;
    var then;
    if (promise._d) return;
    promise._d = true;
    promise = promise._w || promise;
    try {
      if (promise === value) throw TypeError("Promise can't be resolved itself");
      if (then = isThenable(value)) {
        microtask(function () {
          var wrapper = {
            _w: promise,
            _d: false
          };
          try {
            then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
          } catch (e) {
            $reject.call(wrapper, e);
          }
        });
      } else {
        promise._v = value;
        promise._s = 1;
        notify(promise, false);
      }
    } catch (e) {
      $reject.call({
        _w: promise,
        _d: false
      }, e);
    }
  };
  if (!USE_NATIVE) {
    $Promise = function Promise(executor) {
      anInstance(this, $Promise, PROMISE, '_h');
      aFunction(executor);
      Internal.call(this);
      try {
        executor(ctx($resolve, this, 1), ctx($reject, this, 1));
      } catch (err) {
        $reject.call(this, err);
      }
    };
    Internal = function Promise(executor) {
      this._c = [];
      this._a = undefined;
      this._s = 0;
      this._d = false;
      this._v = undefined;
      this._h = 0;
      this._n = false;
    };
    Internal.prototype = __w_pdfjs_require__(89)($Promise.prototype, {
      then: function then(onFulfilled, onRejected) {
        var reaction = newPromiseCapability(speciesConstructor(this, $Promise));
        reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
        reaction.fail = typeof onRejected == 'function' && onRejected;
        reaction.domain = isNode ? process.domain : undefined;
        this._c.push(reaction);
        if (this._a) this._a.push(reaction);
        if (this._s) notify(this, false);
        return reaction.promise;
      },
      'catch': function _catch(onRejected) {
        return this.then(undefined, onRejected);
      }
    });
    OwnPromiseCapability = function OwnPromiseCapability() {
      var promise = new Internal();
      this.promise = promise;
      this.resolve = ctx($resolve, promise, 1);
      this.reject = ctx($reject, promise, 1);
    };
    newPromiseCapabilityModule.f = newPromiseCapability = function newPromiseCapability(C) {
      return C === $Promise || C === Wrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
    };
  }
  $export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise });
  __w_pdfjs_require__(70)($Promise, PROMISE);
  __w_pdfjs_require__(90)(PROMISE);
  Wrapper = __w_pdfjs_require__(9)[PROMISE];
  $export($export.S + $export.F * !USE_NATIVE, PROMISE, {
    reject: function reject(r) {
      var capability = newPromiseCapability(this);
      var $$reject = capability.reject;
      $$reject(r);
      return capability.promise;
    }
  });
  $export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
    resolve: function resolve(x) {
      return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x);
    }
  });
  $export($export.S + $export.F * !(USE_NATIVE && __w_pdfjs_require__(91)(function (iter) {
    $Promise.all(iter)['catch'](empty);
  })), PROMISE, {
    all: function all(iterable) {
      var C = this;
      var capability = newPromiseCapability(C);
      var resolve = capability.resolve;
      var reject = capability.reject;
      var result = perform(function () {
        var values = [];
        var index = 0;
        var remaining = 1;
        forOf(iterable, false, function (promise) {
          var $index = index++;
          var alreadyCalled = false;
          values.push(undefined);
          remaining++;
          C.resolve(promise).then(function (value) {
            if (alreadyCalled) return;
            alreadyCalled = true;
            values[$index] = value;
            --remaining || resolve(values);
          }, reject);
        });
        --remaining || resolve(values);
      });
      if (result.e) reject(result.v);
      return capability.promise;
    },
    race: function race(iterable) {
      var C = this;
      var capability = newPromiseCapability(C);
      var reject = capability.reject;
      var result = perform(function () {
        forOf(iterable, false, function (promise) {
          C.resolve(promise).then(capability.resolve, reject);
        });
      });
      if (result.e) reject(result.v);
      return capability.promise;
    }
  });
  
  /***/ }),
  /* 76 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (it, Constructor, name, forbiddenField) {
    if (!(it instanceof Constructor) || forbiddenField !== undefined && forbiddenField in it) {
      throw TypeError(name + ': incorrect invocation!');
    }
    return it;
  };
  
  /***/ }),
  /* 77 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var ctx = __w_pdfjs_require__(23);
  var call = __w_pdfjs_require__(78);
  var isArrayIter = __w_pdfjs_require__(79);
  var anObject = __w_pdfjs_require__(12);
  var toLength = __w_pdfjs_require__(38);
  var getIterFn = __w_pdfjs_require__(80);
  var BREAK = {};
  var RETURN = {};
  var _exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
    var iterFn = ITERATOR ? function () {
      return iterable;
    } : getIterFn(iterable);
    var f = ctx(fn, that, entries ? 2 : 1);
    var index = 0;
    var length, step, iterator, result;
    if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
    if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) {
      result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
      if (result === BREAK || result === RETURN) return result;
    } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
      result = call(iterator, f, step.value, entries);
      if (result === BREAK || result === RETURN) return result;
    }
  };
  _exports.BREAK = BREAK;
  _exports.RETURN = RETURN;
  
  /***/ }),
  /* 78 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var anObject = __w_pdfjs_require__(12);
  module.exports = function (iterator, fn, value, entries) {
    try {
      return entries ? fn(anObject(value)[0], value[1]) : fn(value);
    } catch (e) {
      var ret = iterator['return'];
      if (ret !== undefined) anObject(ret.call(iterator));
      throw e;
    }
  };
  
  /***/ }),
  /* 79 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var Iterators = __w_pdfjs_require__(65);
  var ITERATOR = __w_pdfjs_require__(28)('iterator');
  var ArrayProto = Array.prototype;
  module.exports = function (it) {
    return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
  };
  
  /***/ }),
  /* 80 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var classof = __w_pdfjs_require__(61);
  var ITERATOR = __w_pdfjs_require__(28)('iterator');
  var Iterators = __w_pdfjs_require__(65);
  module.exports = __w_pdfjs_require__(9).getIteratorMethod = function (it) {
    if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
  };
  
  /***/ }),
  /* 81 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var anObject = __w_pdfjs_require__(12);
  var aFunction = __w_pdfjs_require__(24);
  var SPECIES = __w_pdfjs_require__(28)('species');
  module.exports = function (O, D) {
    var C = anObject(O).constructor;
    var S;
    return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
  };
  
  /***/ }),
  /* 82 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var ctx = __w_pdfjs_require__(23);
  var invoke = __w_pdfjs_require__(83);
  var html = __w_pdfjs_require__(69);
  var cel = __w_pdfjs_require__(17);
  var global = __w_pdfjs_require__(8);
  var process = global.process;
  var setTask = global.setImmediate;
  var clearTask = global.clearImmediate;
  var MessageChannel = global.MessageChannel;
  var Dispatch = global.Dispatch;
  var counter = 0;
  var queue = {};
  var ONREADYSTATECHANGE = 'onreadystatechange';
  var defer, channel, port;
  var run = function run() {
    var id = +this;
    if (queue.hasOwnProperty(id)) {
      var fn = queue[id];
      delete queue[id];
      fn();
    }
  };
  var listener = function listener(event) {
    run.call(event.data);
  };
  if (!setTask || !clearTask) {
    setTask = function setImmediate(fn) {
      var args = [];
      var i = 1;
      while (arguments.length > i) {
        args.push(arguments[i++]);
      }queue[++counter] = function () {
        invoke(typeof fn == 'function' ? fn : Function(fn), args);
      };
      defer(counter);
      return counter;
    };
    clearTask = function clearImmediate(id) {
      delete queue[id];
    };
    if (__w_pdfjs_require__(27)(process) == 'process') {
      defer = function defer(id) {
        process.nextTick(ctx(run, id, 1));
      };
    } else if (Dispatch && Dispatch.now) {
      defer = function defer(id) {
        Dispatch.now(ctx(run, id, 1));
      };
    } else if (MessageChannel) {
      channel = new MessageChannel();
      port = channel.port2;
      channel.port1.onmessage = listener;
      defer = ctx(port.postMessage, port, 1);
    } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) {
      defer = function defer(id) {
        global.postMessage(id + '', '*');
      };
      global.addEventListener('message', listener, false);
    } else if (ONREADYSTATECHANGE in cel('script')) {
      defer = function defer(id) {
        html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () {
          html.removeChild(this);
          run.call(id);
        };
      };
    } else {
      defer = function defer(id) {
        setTimeout(ctx(run, id, 1), 0);
      };
    }
  }
  module.exports = {
    set: setTask,
    clear: clearTask
  };
  
  /***/ }),
  /* 83 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (fn, args, that) {
    var un = that === undefined;
    switch (args.length) {
      case 0:
        return un ? fn() : fn.call(that);
      case 1:
        return un ? fn(args[0]) : fn.call(that, args[0]);
      case 2:
        return un ? fn(args[0], args[1]) : fn.call(that, args[0], args[1]);
      case 3:
        return un ? fn(args[0], args[1], args[2]) : fn.call(that, args[0], args[1], args[2]);
      case 4:
        return un ? fn(args[0], args[1], args[2], args[3]) : fn.call(that, args[0], args[1], args[2], args[3]);
    }
    return fn.apply(that, args);
  };
  
  /***/ }),
  /* 84 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var macrotask = __w_pdfjs_require__(82).set;
  var Observer = global.MutationObserver || global.WebKitMutationObserver;
  var process = global.process;
  var Promise = global.Promise;
  var isNode = __w_pdfjs_require__(27)(process) == 'process';
  module.exports = function () {
    var head, last, notify;
    var flush = function flush() {
      var parent, fn;
      if (isNode && (parent = process.domain)) parent.exit();
      while (head) {
        fn = head.fn;
        head = head.next;
        try {
          fn();
        } catch (e) {
          if (head) notify();else last = undefined;
          throw e;
        }
      }
      last = undefined;
      if (parent) parent.enter();
    };
    if (isNode) {
      notify = function notify() {
        process.nextTick(flush);
      };
    } else if (Observer && !(global.navigator && global.navigator.standalone)) {
      var toggle = true;
      var node = document.createTextNode('');
      new Observer(flush).observe(node, { characterData: true });
      notify = function notify() {
        node.data = toggle = !toggle;
      };
    } else if (Promise && Promise.resolve) {
      var promise = Promise.resolve(undefined);
      notify = function notify() {
        promise.then(flush);
      };
    } else {
      notify = function notify() {
        macrotask.call(global, flush);
      };
    }
    return function (fn) {
      var task = {
        fn: fn,
        next: undefined
      };
      if (last) last.next = task;
      if (!head) {
        head = task;
        notify();
      }
      last = task;
    };
  };
  
  /***/ }),
  /* 85 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var aFunction = __w_pdfjs_require__(24);
  function PromiseCapability(C) {
    var resolve, reject;
    this.promise = new C(function ($$resolve, $$reject) {
      if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
      resolve = $$resolve;
      reject = $$reject;
    });
    this.resolve = aFunction(resolve);
    this.reject = aFunction(reject);
  }
  module.exports.f = function (C) {
    return new PromiseCapability(C);
  };
  
  /***/ }),
  /* 86 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (exec) {
    try {
      return {
        e: false,
        v: exec()
      };
    } catch (e) {
      return {
        e: true,
        v: e
      };
    }
  };
  
  /***/ }),
  /* 87 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var navigator = global.navigator;
  module.exports = navigator && navigator.userAgent || '';
  
  /***/ }),
  /* 88 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var anObject = __w_pdfjs_require__(12);
  var isObject = __w_pdfjs_require__(13);
  var newPromiseCapability = __w_pdfjs_require__(85);
  module.exports = function (C, x) {
    anObject(C);
    if (isObject(x) && x.constructor === C) return x;
    var promiseCapability = newPromiseCapability.f(C);
    var resolve = promiseCapability.resolve;
    resolve(x);
    return promiseCapability.promise;
  };
  
  /***/ }),
  /* 89 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var redefine = __w_pdfjs_require__(20);
  module.exports = function (target, src, safe) {
    for (var key in src) {
      redefine(target, key, src[key], safe);
    }return target;
  };
  
  /***/ }),
  /* 90 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var dP = __w_pdfjs_require__(11);
  var DESCRIPTORS = __w_pdfjs_require__(15);
  var SPECIES = __w_pdfjs_require__(28)('species');
  module.exports = function (KEY) {
    var C = global[KEY];
    if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
      configurable: true,
      get: function get() {
        return this;
      }
    });
  };
  
  /***/ }),
  /* 91 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var ITERATOR = __w_pdfjs_require__(28)('iterator');
  var SAFE_CLOSING = false;
  try {
    var riter = [7][ITERATOR]();
    riter['return'] = function () {
      SAFE_CLOSING = true;
    };
    Array.from(riter, function () {
      throw 2;
    });
  } catch (e) {}
  module.exports = function (exec, skipClosing) {
    if (!skipClosing && !SAFE_CLOSING) return false;
    var safe = false;
    try {
      var arr = [7];
      var iter = arr[ITERATOR]();
      iter.next = function () {
        return { done: safe = true };
      };
      arr[ITERATOR] = function () {
        return iter;
      };
      exec(arr);
    } catch (e) {}
    return safe;
  };
  
  /***/ }),
  /* 92 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var core = __w_pdfjs_require__(9);
  var global = __w_pdfjs_require__(8);
  var speciesConstructor = __w_pdfjs_require__(81);
  var promiseResolve = __w_pdfjs_require__(88);
  $export($export.P + $export.R, 'Promise', {
    'finally': function _finally(onFinally) {
      var C = speciesConstructor(this, core.Promise || global.Promise);
      var isFunction = typeof onFinally == 'function';
      return this.then(isFunction ? function (x) {
        return promiseResolve(C, onFinally()).then(function () {
          return x;
        });
      } : onFinally, isFunction ? function (e) {
        return promiseResolve(C, onFinally()).then(function () {
          throw e;
        });
      } : onFinally);
    }
  });
  
  /***/ }),
  /* 93 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var newPromiseCapability = __w_pdfjs_require__(85);
  var perform = __w_pdfjs_require__(86);
  $export($export.S, 'Promise', {
    'try': function _try(callbackfn) {
      var promiseCapability = newPromiseCapability.f(this);
      var result = perform(callbackfn);
      (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
      return promiseCapability.promise;
    }
  });
  
  /***/ }),
  /* 94 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(60);
  __w_pdfjs_require__(72);
  __w_pdfjs_require__(95);
  __w_pdfjs_require__(107);
  __w_pdfjs_require__(109);
  module.exports = __w_pdfjs_require__(9).WeakMap;
  
  /***/ }),
  /* 95 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var each = __w_pdfjs_require__(96)(0);
  var redefine = __w_pdfjs_require__(20);
  var meta = __w_pdfjs_require__(100);
  var assign = __w_pdfjs_require__(44);
  var weak = __w_pdfjs_require__(101);
  var isObject = __w_pdfjs_require__(13);
  var fails = __w_pdfjs_require__(16);
  var validate = __w_pdfjs_require__(102);
  var WEAK_MAP = 'WeakMap';
  var getWeak = meta.getWeak;
  var isExtensible = Object.isExtensible;
  var uncaughtFrozenStore = weak.ufstore;
  var tmp = {};
  var InternalMap;
  var wrapper = function wrapper(get) {
    return function WeakMap() {
      return get(this, arguments.length > 0 ? arguments[0] : undefined);
    };
  };
  var methods = {
    get: function get(key) {
      if (isObject(key)) {
        var data = getWeak(key);
        if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key);
        return data ? data[this._i] : undefined;
      }
    },
    set: function set(key, value) {
      return weak.def(validate(this, WEAK_MAP), key, value);
    }
  };
  var $WeakMap = module.exports = __w_pdfjs_require__(103)(WEAK_MAP, wrapper, methods, weak, true, true);
  if (fails(function () {
    return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7;
  })) {
    InternalMap = weak.getConstructor(wrapper, WEAK_MAP);
    assign(InternalMap.prototype, methods);
    meta.NEED = true;
    each(['delete', 'has', 'get', 'set'], function (key) {
      var proto = $WeakMap.prototype;
      var method = proto[key];
      redefine(proto, key, function (a, b) {
        if (isObject(a) && !isExtensible(a)) {
          if (!this._f) this._f = new InternalMap();
          var result = this._f[key](a, b);
          return key == 'set' ? this : result;
        }
        return method.call(this, a, b);
      });
    });
  }
  
  /***/ }),
  /* 96 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var ctx = __w_pdfjs_require__(23);
  var IObject = __w_pdfjs_require__(37);
  var toObject = __w_pdfjs_require__(51);
  var toLength = __w_pdfjs_require__(38);
  var asc = __w_pdfjs_require__(97);
  module.exports = function (TYPE, $create) {
    var IS_MAP = TYPE == 1;
    var IS_FILTER = TYPE == 2;
    var IS_SOME = TYPE == 3;
    var IS_EVERY = TYPE == 4;
    var IS_FIND_INDEX = TYPE == 6;
    var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
    var create = $create || asc;
    return function ($this, callbackfn, that) {
      var O = toObject($this);
      var self = IObject(O);
      var f = ctx(callbackfn, that, 3);
      var length = toLength(self.length);
      var index = 0;
      var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
      var val, res;
      for (; length > index; index++) {
        if (NO_HOLES || index in self) {
          val = self[index];
          res = f(val, index, O);
          if (TYPE) {
            if (IS_MAP) result[index] = res;else if (res) switch (TYPE) {
              case 3:
                return true;
              case 5:
                return val;
              case 6:
                return index;
              case 2:
                result.push(val);
            } else if (IS_EVERY) return false;
          }
        }
      }return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
    };
  };
  
  /***/ }),
  /* 97 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var speciesConstructor = __w_pdfjs_require__(98);
  module.exports = function (original, length) {
    return new (speciesConstructor(original))(length);
  };
  
  /***/ }),
  /* 98 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var isArray = __w_pdfjs_require__(99);
  var SPECIES = __w_pdfjs_require__(28)('species');
  module.exports = function (original) {
    var C;
    if (isArray(original)) {
      C = original.constructor;
      if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
      if (isObject(C)) {
        C = C[SPECIES];
        if (C === null) C = undefined;
      }
    }
    return C === undefined ? Array : C;
  };
  
  /***/ }),
  /* 99 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var cof = __w_pdfjs_require__(27);
  module.exports = Array.isArray || function isArray(arg) {
    return cof(arg) == 'Array';
  };
  
  /***/ }),
  /* 100 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var META = __w_pdfjs_require__(22)('meta');
  var isObject = __w_pdfjs_require__(13);
  var has = __w_pdfjs_require__(21);
  var setDesc = __w_pdfjs_require__(11).f;
  var id = 0;
  var isExtensible = Object.isExtensible || function () {
    return true;
  };
  var FREEZE = !__w_pdfjs_require__(16)(function () {
    return isExtensible(Object.preventExtensions({}));
  });
  var setMeta = function setMeta(it) {
    setDesc(it, META, {
      value: {
        i: 'O' + ++id,
        w: {}
      }
    });
  };
  var fastKey = function fastKey(it, create) {
    if (!isObject(it)) return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
    if (!has(it, META)) {
      if (!isExtensible(it)) return 'F';
      if (!create) return 'E';
      setMeta(it);
    }
    return it[META].i;
  };
  var getWeak = function getWeak(it, create) {
    if (!has(it, META)) {
      if (!isExtensible(it)) return true;
      if (!create) return false;
      setMeta(it);
    }
    return it[META].w;
  };
  var onFreeze = function onFreeze(it) {
    if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);
    return it;
  };
  var meta = module.exports = {
    KEY: META,
    NEED: false,
    fastKey: fastKey,
    getWeak: getWeak,
    onFreeze: onFreeze
  };
  
  /***/ }),
  /* 101 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var redefineAll = __w_pdfjs_require__(89);
  var getWeak = __w_pdfjs_require__(100).getWeak;
  var anObject = __w_pdfjs_require__(12);
  var isObject = __w_pdfjs_require__(13);
  var anInstance = __w_pdfjs_require__(76);
  var forOf = __w_pdfjs_require__(77);
  var createArrayMethod = __w_pdfjs_require__(96);
  var $has = __w_pdfjs_require__(21);
  var validate = __w_pdfjs_require__(102);
  var arrayFind = createArrayMethod(5);
  var arrayFindIndex = createArrayMethod(6);
  var id = 0;
  var uncaughtFrozenStore = function uncaughtFrozenStore(that) {
    return that._l || (that._l = new UncaughtFrozenStore());
  };
  var UncaughtFrozenStore = function UncaughtFrozenStore() {
    this.a = [];
  };
  var findUncaughtFrozen = function findUncaughtFrozen(store, key) {
    return arrayFind(store.a, function (it) {
      return it[0] === key;
    });
  };
  UncaughtFrozenStore.prototype = {
    get: function get(key) {
      var entry = findUncaughtFrozen(this, key);
      if (entry) return entry[1];
    },
    has: function has(key) {
      return !!findUncaughtFrozen(this, key);
    },
    set: function set(key, value) {
      var entry = findUncaughtFrozen(this, key);
      if (entry) entry[1] = value;else this.a.push([key, value]);
    },
    'delete': function _delete(key) {
      var index = arrayFindIndex(this.a, function (it) {
        return it[0] === key;
      });
      if (~index) this.a.splice(index, 1);
      return !!~index;
    }
  };
  module.exports = {
    getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) {
      var C = wrapper(function (that, iterable) {
        anInstance(that, C, NAME, '_i');
        that._t = NAME;
        that._i = id++;
        that._l = undefined;
        if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
      });
      redefineAll(C.prototype, {
        'delete': function _delete(key) {
          if (!isObject(key)) return false;
          var data = getWeak(key);
          if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key);
          return data && $has(data, this._i) && delete data[this._i];
        },
        has: function has(key) {
          if (!isObject(key)) return false;
          var data = getWeak(key);
          if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key);
          return data && $has(data, this._i);
        }
      });
      return C;
    },
    def: function def(that, key, value) {
      var data = getWeak(anObject(key), true);
      if (data === true) uncaughtFrozenStore(that).set(key, value);else data[that._i] = value;
      return that;
    },
    ufstore: uncaughtFrozenStore
  };
  
  /***/ }),
  /* 102 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  module.exports = function (it, TYPE) {
    if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
    return it;
  };
  
  /***/ }),
  /* 103 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var global = __w_pdfjs_require__(8);
  var $export = __w_pdfjs_require__(7);
  var redefine = __w_pdfjs_require__(20);
  var redefineAll = __w_pdfjs_require__(89);
  var meta = __w_pdfjs_require__(100);
  var forOf = __w_pdfjs_require__(77);
  var anInstance = __w_pdfjs_require__(76);
  var isObject = __w_pdfjs_require__(13);
  var fails = __w_pdfjs_require__(16);
  var $iterDetect = __w_pdfjs_require__(91);
  var setToStringTag = __w_pdfjs_require__(70);
  var inheritIfRequired = __w_pdfjs_require__(104);
  module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
    var Base = global[NAME];
    var C = Base;
    var ADDER = IS_MAP ? 'set' : 'add';
    var proto = C && C.prototype;
    var O = {};
    var fixMethod = function fixMethod(KEY) {
      var fn = proto[KEY];
      redefine(proto, KEY, KEY == 'delete' ? function (a) {
        return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'has' ? function has(a) {
        return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'get' ? function get(a) {
        return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);
      } : KEY == 'add' ? function add(a) {
        fn.call(this, a === 0 ? 0 : a);
        return this;
      } : function set(a, b) {
        fn.call(this, a === 0 ? 0 : a, b);
        return this;
      });
    };
    if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {
      new C().entries().next();
    }))) {
      C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
      redefineAll(C.prototype, methods);
      meta.NEED = true;
    } else {
      var instance = new C();
      var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
      var THROWS_ON_PRIMITIVES = fails(function () {
        instance.has(1);
      });
      var ACCEPT_ITERABLES = $iterDetect(function (iter) {
        new C(iter);
      });
      var BUGGY_ZERO = !IS_WEAK && fails(function () {
        var $instance = new C();
        var index = 5;
        while (index--) {
          $instance[ADDER](index, index);
        }return !$instance.has(-0);
      });
      if (!ACCEPT_ITERABLES) {
        C = wrapper(function (target, iterable) {
          anInstance(target, C, NAME);
          var that = inheritIfRequired(new Base(), target, C);
          if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
          return that;
        });
        C.prototype = proto;
        proto.constructor = C;
      }
      if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
        fixMethod('delete');
        fixMethod('has');
        IS_MAP && fixMethod('get');
      }
      if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);
      if (IS_WEAK && proto.clear) delete proto.clear;
    }
    setToStringTag(C, NAME);
    O[NAME] = C;
    $export($export.G + $export.W + $export.F * (C != Base), O);
    if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);
    return C;
  };
  
  /***/ }),
  /* 104 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var setPrototypeOf = __w_pdfjs_require__(105).set;
  module.exports = function (that, target, C) {
    var S = target.constructor;
    var P;
    if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) {
      setPrototypeOf(that, P);
    }
    return that;
  };
  
  /***/ }),
  /* 105 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isObject = __w_pdfjs_require__(13);
  var anObject = __w_pdfjs_require__(12);
  var check = function check(O, proto) {
    anObject(O);
    if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
  };
  module.exports = {
    set: Object.setPrototypeOf || ('__proto__' in {} ? function (test, buggy, set) {
      try {
        set = __w_pdfjs_require__(23)(Function.call, __w_pdfjs_require__(106).f(Object.prototype, '__proto__').set, 2);
        set(test, []);
        buggy = !(test instanceof Array);
      } catch (e) {
        buggy = true;
      }
      return function setPrototypeOf(O, proto) {
        check(O, proto);
        if (buggy) O.__proto__ = proto;else set(O, proto);
        return O;
      };
    }({}, false) : undefined),
    check: check
  };
  
  /***/ }),
  /* 106 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var pIE = __w_pdfjs_require__(50);
  var createDesc = __w_pdfjs_require__(19);
  var toIObject = __w_pdfjs_require__(36);
  var toPrimitive = __w_pdfjs_require__(18);
  var has = __w_pdfjs_require__(21);
  var IE8_DOM_DEFINE = __w_pdfjs_require__(14);
  var gOPD = Object.getOwnPropertyDescriptor;
  exports.f = __w_pdfjs_require__(15) ? gOPD : function getOwnPropertyDescriptor(O, P) {
    O = toIObject(O);
    P = toPrimitive(P, true);
    if (IE8_DOM_DEFINE) try {
      return gOPD(O, P);
    } catch (e) {}
    if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);
  };
  
  /***/ }),
  /* 107 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(108)('WeakMap');
  
  /***/ }),
  /* 108 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  module.exports = function (COLLECTION) {
    $export($export.S, COLLECTION, {
      of: function of() {
        var length = arguments.length;
        var A = new Array(length);
        while (length--) {
          A[length] = arguments[length];
        }return new this(A);
      }
    });
  };
  
  /***/ }),
  /* 109 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(110)('WeakMap');
  
  /***/ }),
  /* 110 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var aFunction = __w_pdfjs_require__(24);
  var ctx = __w_pdfjs_require__(23);
  var forOf = __w_pdfjs_require__(77);
  module.exports = function (COLLECTION) {
    $export($export.S, COLLECTION, {
      from: function from(source) {
        var mapFn = arguments[1];
        var mapping, A, n, cb;
        aFunction(this);
        mapping = mapFn !== undefined;
        if (mapping) aFunction(mapFn);
        if (source == undefined) return new this();
        A = [];
        if (mapping) {
          n = 0;
          cb = ctx(mapFn, arguments[2], 2);
          forOf(source, false, function (nextItem) {
            A.push(cb(nextItem, n++));
          });
        } else {
          forOf(source, false, A.push, A);
        }
        return new this(A);
      }
    });
  };
  
  /***/ }),
  /* 111 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(112);
  module.exports = __w_pdfjs_require__(9).String.codePointAt;
  
  /***/ }),
  /* 112 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var $at = __w_pdfjs_require__(63)(false);
  $export($export.P, 'String', {
    codePointAt: function codePointAt(pos) {
      return $at(this, pos);
    }
  });
  
  /***/ }),
  /* 113 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(114);
  module.exports = __w_pdfjs_require__(9).String.fromCodePoint;
  
  /***/ }),
  /* 114 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var toAbsoluteIndex = __w_pdfjs_require__(40);
  var fromCharCode = String.fromCharCode;
  var $fromCodePoint = String.fromCodePoint;
  $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
    fromCodePoint: function fromCodePoint(x) {
      var res = [];
      var aLen = arguments.length;
      var i = 0;
      var code;
      while (aLen > i) {
        code = +arguments[i++];
        if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');
        res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00));
      }
      return res.join('');
    }
  });
  
  /***/ }),
  /* 115 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  __w_pdfjs_require__(116);
  module.exports = __w_pdfjs_require__(9).Object.values;
  
  /***/ }),
  /* 116 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var $export = __w_pdfjs_require__(7);
  var $values = __w_pdfjs_require__(117)(false);
  $export($export.S, 'Object', {
    values: function values(it) {
      return $values(it);
    }
  });
  
  /***/ }),
  /* 117 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var getKeys = __w_pdfjs_require__(45);
  var toIObject = __w_pdfjs_require__(36);
  var isEnum = __w_pdfjs_require__(50).f;
  module.exports = function (isEntries) {
    return function (it) {
      var O = toIObject(it);
      var keys = getKeys(O);
      var length = keys.length;
      var i = 0;
      var result = [];
      var key;
      while (length > i) {
        if (isEnum.call(O, key = keys[i++])) {
          result.push(isEntries ? [key, O[key]] : O[key]);
        }
      }return result;
    };
  };
  
  /***/ }),
  /* 118 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var isReadableStreamSupported = false;
  if (typeof ReadableStream !== 'undefined') {
    try {
      new ReadableStream({
        start: function start(controller) {
          controller.close();
        }
      });
      isReadableStreamSupported = true;
    } catch (e) {}
  }
  if (isReadableStreamSupported) {
    exports.ReadableStream = ReadableStream;
  } else {
    exports.ReadableStream = __w_pdfjs_require__(119).ReadableStream;
  }
  
  /***/ }),
  /* 119 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof2 = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  (function (e, a) {
    for (var i in a) {
      e[i] = a[i];
    }
  })(exports, function (modules) {
    var installedModules = {};
    function __w_pdfjs_require__(moduleId) {
      if (installedModules[moduleId]) return installedModules[moduleId].exports;
      var module = installedModules[moduleId] = {
        i: moduleId,
        l: false,
        exports: {}
      };
      modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
      module.l = true;
      return module.exports;
    }
    __w_pdfjs_require__.m = modules;
    __w_pdfjs_require__.c = installedModules;
    __w_pdfjs_require__.i = function (value) {
      return value;
    };
    __w_pdfjs_require__.d = function (exports, name, getter) {
      if (!__w_pdfjs_require__.o(exports, name)) {
        Object.defineProperty(exports, name, {
          configurable: false,
          enumerable: true,
          get: getter
        });
      }
    };
    __w_pdfjs_require__.n = function (module) {
      var getter = module && module.__esModule ? function getDefault() {
        return module['default'];
      } : function getModuleExports() {
        return module;
      };
      __w_pdfjs_require__.d(getter, 'a', getter);
      return getter;
    };
    __w_pdfjs_require__.o = function (object, property) {
      return Object.prototype.hasOwnProperty.call(object, property);
    };
    __w_pdfjs_require__.p = "";
    return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);
  }([function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
      return typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
    } : function (obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === 'undefined' ? 'undefined' : _typeof2(obj);
    };
    var _require = __w_pdfjs_require__(1),
        assert = _require.assert;
    function IsPropertyKey(argument) {
      return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';
    }
    exports.typeIsObject = function (x) {
      return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';
    };
    exports.createDataProperty = function (o, p, v) {
      assert(exports.typeIsObject(o));
      Object.defineProperty(o, p, {
        value: v,
        writable: true,
        enumerable: true,
        configurable: true
      });
    };
    exports.createArrayFromList = function (elements) {
      return elements.slice();
    };
    exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {
      new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
    };
    exports.CreateIterResultObject = function (value, done) {
      assert(typeof done === 'boolean');
      var obj = {};
      Object.defineProperty(obj, 'value', {
        value: value,
        enumerable: true,
        writable: true,
        configurable: true
      });
      Object.defineProperty(obj, 'done', {
        value: done,
        enumerable: true,
        writable: true,
        configurable: true
      });
      return obj;
    };
    exports.IsFiniteNonNegativeNumber = function (v) {
      if (Number.isNaN(v)) {
        return false;
      }
      if (v === Infinity) {
        return false;
      }
      if (v < 0) {
        return false;
      }
      return true;
    };
    function Call(F, V, args) {
      if (typeof F !== 'function') {
        throw new TypeError('Argument is not a function');
      }
      return Function.prototype.apply.call(F, V, args);
    }
    exports.InvokeOrNoop = function (O, P, args) {
      assert(O !== undefined);
      assert(IsPropertyKey(P));
      assert(Array.isArray(args));
      var method = O[P];
      if (method === undefined) {
        return undefined;
      }
      return Call(method, O, args);
    };
    exports.PromiseInvokeOrNoop = function (O, P, args) {
      assert(O !== undefined);
      assert(IsPropertyKey(P));
      assert(Array.isArray(args));
      try {
        return Promise.resolve(exports.InvokeOrNoop(O, P, args));
      } catch (returnValueE) {
        return Promise.reject(returnValueE);
      }
    };
    exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {
      assert(O !== undefined);
      assert(IsPropertyKey(P));
      assert(Array.isArray(args));
      assert(Array.isArray(argsF));
      var method = void 0;
      try {
        method = O[P];
      } catch (methodE) {
        return Promise.reject(methodE);
      }
      if (method === undefined) {
        return F.apply(null, argsF);
      }
      try {
        return Promise.resolve(Call(method, O, args));
      } catch (e) {
        return Promise.reject(e);
      }
    };
    exports.TransferArrayBuffer = function (O) {
      return O.slice();
    };
    exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {
      highWaterMark = Number(highWaterMark);
      if (Number.isNaN(highWaterMark) || highWaterMark < 0) {
        throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
      }
      return highWaterMark;
    };
    exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {
      if (size !== undefined && typeof size !== 'function') {
        throw new TypeError('size property of a queuing strategy must be a function');
      }
      highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);
      return {
        size: size,
        highWaterMark: highWaterMark
      };
    };
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    function rethrowAssertionErrorRejection(e) {
      if (e && e.constructor === AssertionError) {
        setTimeout(function () {
          throw e;
        }, 0);
      }
    }
    function AssertionError(message) {
      this.name = 'AssertionError';
      this.message = message || '';
      this.stack = new Error().stack;
    }
    AssertionError.prototype = Object.create(Error.prototype);
    AssertionError.prototype.constructor = AssertionError;
    function assert(value, message) {
      if (!value) {
        throw new AssertionError(message);
      }
    }
    module.exports = {
      rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,
      AssertionError: AssertionError,
      assert: assert
    };
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var _createClass = function () {
      function defineProperties(target, props) {
        for (var i = 0; i < props.length; i++) {
          var descriptor = props[i];
          descriptor.enumerable = descriptor.enumerable || false;
          descriptor.configurable = true;
          if ("value" in descriptor) descriptor.writable = true;
          Object.defineProperty(target, descriptor.key, descriptor);
        }
      }
      return function (Constructor, protoProps, staticProps) {
        if (protoProps) defineProperties(Constructor.prototype, protoProps);
        if (staticProps) defineProperties(Constructor, staticProps);
        return Constructor;
      };
    }();
    function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
      }
    }
    var _require = __w_pdfjs_require__(0),
        InvokeOrNoop = _require.InvokeOrNoop,
        PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
        ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
        typeIsObject = _require.typeIsObject;
    var _require2 = __w_pdfjs_require__(1),
        assert = _require2.assert,
        rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;
    var _require3 = __w_pdfjs_require__(3),
        DequeueValue = _require3.DequeueValue,
        EnqueueValueWithSize = _require3.EnqueueValueWithSize,
        PeekQueueValue = _require3.PeekQueueValue,
        ResetQueue = _require3.ResetQueue;
    var WritableStream = function () {
      function WritableStream() {
        var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
            size = _ref.size,
            _ref$highWaterMark = _ref.highWaterMark,
            highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;
        _classCallCheck(this, WritableStream);
        this._state = 'writable';
        this._storedError = undefined;
        this._writer = undefined;
        this._writableStreamController = undefined;
        this._writeRequests = [];
        this._inFlightWriteRequest = undefined;
        this._closeRequest = undefined;
        this._inFlightCloseRequest = undefined;
        this._pendingAbortRequest = undefined;
        this._backpressure = false;
        var type = underlyingSink.type;
        if (type !== undefined) {
          throw new RangeError('Invalid type is specified');
        }
        this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);
        this._writableStreamController.__startSteps();
      }
      _createClass(WritableStream, [{
        key: 'abort',
        value: function abort(reason) {
          if (IsWritableStream(this) === false) {
            return Promise.reject(streamBrandCheckException('abort'));
          }
          if (IsWritableStreamLocked(this) === true) {
            return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));
          }
          return WritableStreamAbort(this, reason);
        }
      }, {
        key: 'getWriter',
        value: function getWriter() {
          if (IsWritableStream(this) === false) {
            throw streamBrandCheckException('getWriter');
          }
          return AcquireWritableStreamDefaultWriter(this);
        }
      }, {
        key: 'locked',
        get: function get() {
          if (IsWritableStream(this) === false) {
            throw streamBrandCheckException('locked');
          }
          return IsWritableStreamLocked(this);
        }
      }]);
      return WritableStream;
    }();
    module.exports = {
      AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,
      IsWritableStream: IsWritableStream,
      IsWritableStreamLocked: IsWritableStreamLocked,
      WritableStream: WritableStream,
      WritableStreamAbort: WritableStreamAbort,
      WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,
      WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,
      WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,
      WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,
      WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight
    };
    function AcquireWritableStreamDefaultWriter(stream) {
      return new WritableStreamDefaultWriter(stream);
    }
    function IsWritableStream(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
        return false;
      }
      return true;
    }
    function IsWritableStreamLocked(stream) {
      assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');
      if (stream._writer === undefined) {
        return false;
      }
      return true;
    }
    function WritableStreamAbort(stream, reason) {
      var state = stream._state;
      if (state === 'closed') {
        return Promise.resolve(undefined);
      }
      if (state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      var error = new TypeError('Requested to abort');
      if (stream._pendingAbortRequest !== undefined) {
        return Promise.reject(error);
      }
      assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');
      var wasAlreadyErroring = false;
      if (state === 'erroring') {
        wasAlreadyErroring = true;
        reason = undefined;
      }
      var promise = new Promise(function (resolve, reject) {
        stream._pendingAbortRequest = {
          _resolve: resolve,
          _reject: reject,
          _reason: reason,
          _wasAlreadyErroring: wasAlreadyErroring
        };
      });
      if (wasAlreadyErroring === false) {
        WritableStreamStartErroring(stream, error);
      }
      return promise;
    }
    function WritableStreamAddWriteRequest(stream) {
      assert(IsWritableStreamLocked(stream) === true);
      assert(stream._state === 'writable');
      var promise = new Promise(function (resolve, reject) {
        var writeRequest = {
          _resolve: resolve,
          _reject: reject
        };
        stream._writeRequests.push(writeRequest);
      });
      return promise;
    }
    function WritableStreamDealWithRejection(stream, error) {
      var state = stream._state;
      if (state === 'writable') {
        WritableStreamStartErroring(stream, error);
        return;
      }
      assert(state === 'erroring');
      WritableStreamFinishErroring(stream);
    }
    function WritableStreamStartErroring(stream, reason) {
      assert(stream._storedError === undefined, 'stream._storedError === undefined');
      assert(stream._state === 'writable', 'state must be writable');
      var controller = stream._writableStreamController;
      assert(controller !== undefined, 'controller must not be undefined');
      stream._state = 'erroring';
      stream._storedError = reason;
      var writer = stream._writer;
      if (writer !== undefined) {
        WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
      }
      if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
        WritableStreamFinishErroring(stream);
      }
    }
    function WritableStreamFinishErroring(stream) {
      assert(stream._state === 'erroring', 'stream._state === erroring');
      assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');
      stream._state = 'errored';
      stream._writableStreamController.__errorSteps();
      var storedError = stream._storedError;
      for (var i = 0; i < stream._writeRequests.length; i++) {
        var writeRequest = stream._writeRequests[i];
        writeRequest._reject(storedError);
      }
      stream._writeRequests = [];
      if (stream._pendingAbortRequest === undefined) {
        WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
        return;
      }
      var abortRequest = stream._pendingAbortRequest;
      stream._pendingAbortRequest = undefined;
      if (abortRequest._wasAlreadyErroring === true) {
        abortRequest._reject(storedError);
        WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
        return;
      }
      var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);
      promise.then(function () {
        abortRequest._resolve();
        WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
      }, function (reason) {
        abortRequest._reject(reason);
        WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
      });
    }
    function WritableStreamFinishInFlightWrite(stream) {
      assert(stream._inFlightWriteRequest !== undefined);
      stream._inFlightWriteRequest._resolve(undefined);
      stream._inFlightWriteRequest = undefined;
    }
    function WritableStreamFinishInFlightWriteWithError(stream, error) {
      assert(stream._inFlightWriteRequest !== undefined);
      stream._inFlightWriteRequest._reject(error);
      stream._inFlightWriteRequest = undefined;
      assert(stream._state === 'writable' || stream._state === 'erroring');
      WritableStreamDealWithRejection(stream, error);
    }
    function WritableStreamFinishInFlightClose(stream) {
      assert(stream._inFlightCloseRequest !== undefined);
      stream._inFlightCloseRequest._resolve(undefined);
      stream._inFlightCloseRequest = undefined;
      var state = stream._state;
      assert(state === 'writable' || state === 'erroring');
      if (state === 'erroring') {
        stream._storedError = undefined;
        if (stream._pendingAbortRequest !== undefined) {
          stream._pendingAbortRequest._resolve();
          stream._pendingAbortRequest = undefined;
        }
      }
      stream._state = 'closed';
      var writer = stream._writer;
      if (writer !== undefined) {
        defaultWriterClosedPromiseResolve(writer);
      }
      assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');
      assert(stream._storedError === undefined, 'stream._storedError === undefined');
    }
    function WritableStreamFinishInFlightCloseWithError(stream, error) {
      assert(stream._inFlightCloseRequest !== undefined);
      stream._inFlightCloseRequest._reject(error);
      stream._inFlightCloseRequest = undefined;
      assert(stream._state === 'writable' || stream._state === 'erroring');
      if (stream._pendingAbortRequest !== undefined) {
        stream._pendingAbortRequest._reject(error);
        stream._pendingAbortRequest = undefined;
      }
      WritableStreamDealWithRejection(stream, error);
    }
    function WritableStreamCloseQueuedOrInFlight(stream) {
      if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
        return false;
      }
      return true;
    }
    function WritableStreamHasOperationMarkedInFlight(stream) {
      if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
        return false;
      }
      return true;
    }
    function WritableStreamMarkCloseRequestInFlight(stream) {
      assert(stream._inFlightCloseRequest === undefined);
      assert(stream._closeRequest !== undefined);
      stream._inFlightCloseRequest = stream._closeRequest;
      stream._closeRequest = undefined;
    }
    function WritableStreamMarkFirstWriteRequestInFlight(stream) {
      assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');
      assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');
      stream._inFlightWriteRequest = stream._writeRequests.shift();
    }
    function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
      assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`');
      if (stream._closeRequest !== undefined) {
        assert(stream._inFlightCloseRequest === undefined);
        stream._closeRequest._reject(stream._storedError);
        stream._closeRequest = undefined;
      }
      var writer = stream._writer;
      if (writer !== undefined) {
        defaultWriterClosedPromiseReject(writer, stream._storedError);
        writer._closedPromise.catch(function () {});
      }
    }
    function WritableStreamUpdateBackpressure(stream, backpressure) {
      assert(stream._state === 'writable');
      assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
      var writer = stream._writer;
      if (writer !== undefined && backpressure !== stream._backpressure) {
        if (backpressure === true) {
          defaultWriterReadyPromiseReset(writer);
        } else {
          assert(backpressure === false);
          defaultWriterReadyPromiseResolve(writer);
        }
      }
      stream._backpressure = backpressure;
    }
    var WritableStreamDefaultWriter = function () {
      function WritableStreamDefaultWriter(stream) {
        _classCallCheck(this, WritableStreamDefaultWriter);
        if (IsWritableStream(stream) === false) {
          throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
        }
        if (IsWritableStreamLocked(stream) === true) {
          throw new TypeError('This stream has already been locked for exclusive writing by another writer');
        }
        this._ownerWritableStream = stream;
        stream._writer = this;
        var state = stream._state;
        if (state === 'writable') {
          if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
            defaultWriterReadyPromiseInitialize(this);
          } else {
            defaultWriterReadyPromiseInitializeAsResolved(this);
          }
          defaultWriterClosedPromiseInitialize(this);
        } else if (state === 'erroring') {
          defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
          this._readyPromise.catch(function () {});
          defaultWriterClosedPromiseInitialize(this);
        } else if (state === 'closed') {
          defaultWriterReadyPromiseInitializeAsResolved(this);
          defaultWriterClosedPromiseInitializeAsResolved(this);
        } else {
          assert(state === 'errored', 'state must be errored');
          var storedError = stream._storedError;
          defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
          this._readyPromise.catch(function () {});
          defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
          this._closedPromise.catch(function () {});
        }
      }
      _createClass(WritableStreamDefaultWriter, [{
        key: 'abort',
        value: function abort(reason) {
          if (IsWritableStreamDefaultWriter(this) === false) {
            return Promise.reject(defaultWriterBrandCheckException('abort'));
          }
          if (this._ownerWritableStream === undefined) {
            return Promise.reject(defaultWriterLockException('abort'));
          }
          return WritableStreamDefaultWriterAbort(this, reason);
        }
      }, {
        key: 'close',
        value: function close() {
          if (IsWritableStreamDefaultWriter(this) === false) {
            return Promise.reject(defaultWriterBrandCheckException('close'));
          }
          var stream = this._ownerWritableStream;
          if (stream === undefined) {
            return Promise.reject(defaultWriterLockException('close'));
          }
          if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
            return Promise.reject(new TypeError('cannot close an already-closing stream'));
          }
          return WritableStreamDefaultWriterClose(this);
        }
      }, {
        key: 'releaseLock',
        value: function releaseLock() {
          if (IsWritableStreamDefaultWriter(this) === false) {
            throw defaultWriterBrandCheckException('releaseLock');
          }
          var stream = this._ownerWritableStream;
          if (stream === undefined) {
            return;
          }
          assert(stream._writer !== undefined);
          WritableStreamDefaultWriterRelease(this);
        }
      }, {
        key: 'write',
        value: function write(chunk) {
          if (IsWritableStreamDefaultWriter(this) === false) {
            return Promise.reject(defaultWriterBrandCheckException('write'));
          }
          if (this._ownerWritableStream === undefined) {
            return Promise.reject(defaultWriterLockException('write to'));
          }
          return WritableStreamDefaultWriterWrite(this, chunk);
        }
      }, {
        key: 'closed',
        get: function get() {
          if (IsWritableStreamDefaultWriter(this) === false) {
            return Promise.reject(defaultWriterBrandCheckException('closed'));
          }
          return this._closedPromise;
        }
      }, {
        key: 'desiredSize',
        get: function get() {
          if (IsWritableStreamDefaultWriter(this) === false) {
            throw defaultWriterBrandCheckException('desiredSize');
          }
          if (this._ownerWritableStream === undefined) {
            throw defaultWriterLockException('desiredSize');
          }
          return WritableStreamDefaultWriterGetDesiredSize(this);
        }
      }, {
        key: 'ready',
        get: function get() {
          if (IsWritableStreamDefaultWriter(this) === false) {
            return Promise.reject(defaultWriterBrandCheckException('ready'));
          }
          return this._readyPromise;
        }
      }]);
      return WritableStreamDefaultWriter;
    }();
    function IsWritableStreamDefaultWriter(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
        return false;
      }
      return true;
    }
    function WritableStreamDefaultWriterAbort(writer, reason) {
      var stream = writer._ownerWritableStream;
      assert(stream !== undefined);
      return WritableStreamAbort(stream, reason);
    }
    function WritableStreamDefaultWriterClose(writer) {
      var stream = writer._ownerWritableStream;
      assert(stream !== undefined);
      var state = stream._state;
      if (state === 'closed' || state === 'errored') {
        return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));
      }
      assert(state === 'writable' || state === 'erroring');
      assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
      var promise = new Promise(function (resolve, reject) {
        var closeRequest = {
          _resolve: resolve,
          _reject: reject
        };
        stream._closeRequest = closeRequest;
      });
      if (stream._backpressure === true && state === 'writable') {
        defaultWriterReadyPromiseResolve(writer);
      }
      WritableStreamDefaultControllerClose(stream._writableStreamController);
      return promise;
    }
    function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
      var stream = writer._ownerWritableStream;
      assert(stream !== undefined);
      var state = stream._state;
      if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
        return Promise.resolve();
      }
      if (state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      assert(state === 'writable' || state === 'erroring');
      return WritableStreamDefaultWriterClose(writer);
    }
    function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
      if (writer._closedPromiseState === 'pending') {
        defaultWriterClosedPromiseReject(writer, error);
      } else {
        defaultWriterClosedPromiseResetToRejected(writer, error);
      }
      writer._closedPromise.catch(function () {});
    }
    function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
      if (writer._readyPromiseState === 'pending') {
        defaultWriterReadyPromiseReject(writer, error);
      } else {
        defaultWriterReadyPromiseResetToRejected(writer, error);
      }
      writer._readyPromise.catch(function () {});
    }
    function WritableStreamDefaultWriterGetDesiredSize(writer) {
      var stream = writer._ownerWritableStream;
      var state = stream._state;
      if (state === 'errored' || state === 'erroring') {
        return null;
      }
      if (state === 'closed') {
        return 0;
      }
      return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
    }
    function WritableStreamDefaultWriterRelease(writer) {
      var stream = writer._ownerWritableStream;
      assert(stream !== undefined);
      assert(stream._writer === writer);
      var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
      WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
      WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
      stream._writer = undefined;
      writer._ownerWritableStream = undefined;
    }
    function WritableStreamDefaultWriterWrite(writer, chunk) {
      var stream = writer._ownerWritableStream;
      assert(stream !== undefined);
      var controller = stream._writableStreamController;
      var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
      if (stream !== writer._ownerWritableStream) {
        return Promise.reject(defaultWriterLockException('write to'));
      }
      var state = stream._state;
      if (state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
        return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));
      }
      if (state === 'erroring') {
        return Promise.reject(stream._storedError);
      }
      assert(state === 'writable');
      var promise = WritableStreamAddWriteRequest(stream);
      WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
      return promise;
    }
    var WritableStreamDefaultController = function () {
      function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {
        _classCallCheck(this, WritableStreamDefaultController);
        if (IsWritableStream(stream) === false) {
          throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');
        }
        if (stream._writableStreamController !== undefined) {
          throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');
        }
        this._controlledWritableStream = stream;
        this._underlyingSink = underlyingSink;
        this._queue = undefined;
        this._queueTotalSize = undefined;
        ResetQueue(this);
        this._started = false;
        var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
        this._strategySize = normalizedStrategy.size;
        this._strategyHWM = normalizedStrategy.highWaterMark;
        var backpressure = WritableStreamDefaultControllerGetBackpressure(this);
        WritableStreamUpdateBackpressure(stream, backpressure);
      }
      _createClass(WritableStreamDefaultController, [{
        key: 'error',
        value: function error(e) {
          if (IsWritableStreamDefaultController(this) === false) {
            throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
          }
          var state = this._controlledWritableStream._state;
          if (state !== 'writable') {
            return;
          }
          WritableStreamDefaultControllerError(this, e);
        }
      }, {
        key: '__abortSteps',
        value: function __abortSteps(reason) {
          return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);
        }
      }, {
        key: '__errorSteps',
        value: function __errorSteps() {
          ResetQueue(this);
        }
      }, {
        key: '__startSteps',
        value: function __startSteps() {
          var _this = this;
          var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);
          var stream = this._controlledWritableStream;
          Promise.resolve(startResult).then(function () {
            assert(stream._state === 'writable' || stream._state === 'erroring');
            _this._started = true;
            WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);
          }, function (r) {
            assert(stream._state === 'writable' || stream._state === 'erroring');
            _this._started = true;
            WritableStreamDealWithRejection(stream, r);
          }).catch(rethrowAssertionErrorRejection);
        }
      }]);
      return WritableStreamDefaultController;
    }();
    function WritableStreamDefaultControllerClose(controller) {
      EnqueueValueWithSize(controller, 'close', 0);
      WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
    }
    function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
      var strategySize = controller._strategySize;
      if (strategySize === undefined) {
        return 1;
      }
      try {
        return strategySize(chunk);
      } catch (chunkSizeE) {
        WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
        return 1;
      }
    }
    function WritableStreamDefaultControllerGetDesiredSize(controller) {
      return controller._strategyHWM - controller._queueTotalSize;
    }
    function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
      var writeRecord = { chunk: chunk };
      try {
        EnqueueValueWithSize(controller, writeRecord, chunkSize);
      } catch (enqueueE) {
        WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
        return;
      }
      var stream = controller._controlledWritableStream;
      if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
        var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
        WritableStreamUpdateBackpressure(stream, backpressure);
      }
      WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
    }
    function IsWritableStreamDefaultController(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {
        return false;
      }
      return true;
    }
    function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
      var stream = controller._controlledWritableStream;
      if (controller._started === false) {
        return;
      }
      if (stream._inFlightWriteRequest !== undefined) {
        return;
      }
      var state = stream._state;
      if (state === 'closed' || state === 'errored') {
        return;
      }
      if (state === 'erroring') {
        WritableStreamFinishErroring(stream);
        return;
      }
      if (controller._queue.length === 0) {
        return;
      }
      var writeRecord = PeekQueueValue(controller);
      if (writeRecord === 'close') {
        WritableStreamDefaultControllerProcessClose(controller);
      } else {
        WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
      }
    }
    function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
      if (controller._controlledWritableStream._state === 'writable') {
        WritableStreamDefaultControllerError(controller, error);
      }
    }
    function WritableStreamDefaultControllerProcessClose(controller) {
      var stream = controller._controlledWritableStream;
      WritableStreamMarkCloseRequestInFlight(stream);
      DequeueValue(controller);
      assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');
      var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);
      sinkClosePromise.then(function () {
        WritableStreamFinishInFlightClose(stream);
      }, function (reason) {
        WritableStreamFinishInFlightCloseWithError(stream, reason);
      }).catch(rethrowAssertionErrorRejection);
    }
    function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
      var stream = controller._controlledWritableStream;
      WritableStreamMarkFirstWriteRequestInFlight(stream);
      var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);
      sinkWritePromise.then(function () {
        WritableStreamFinishInFlightWrite(stream);
        var state = stream._state;
        assert(state === 'writable' || state === 'erroring');
        DequeueValue(controller);
        if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
          var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
          WritableStreamUpdateBackpressure(stream, backpressure);
        }
        WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
      }, function (reason) {
        WritableStreamFinishInFlightWriteWithError(stream, reason);
      }).catch(rethrowAssertionErrorRejection);
    }
    function WritableStreamDefaultControllerGetBackpressure(controller) {
      var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
      return desiredSize <= 0;
    }
    function WritableStreamDefaultControllerError(controller, error) {
      var stream = controller._controlledWritableStream;
      assert(stream._state === 'writable');
      WritableStreamStartErroring(stream, error);
    }
    function streamBrandCheckException(name) {
      return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');
    }
    function defaultWriterBrandCheckException(name) {
      return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');
    }
    function defaultWriterLockException(name) {
      return new TypeError('Cannot ' + name + ' a stream using a released writer');
    }
    function defaultWriterClosedPromiseInitialize(writer) {
      writer._closedPromise = new Promise(function (resolve, reject) {
        writer._closedPromise_resolve = resolve;
        writer._closedPromise_reject = reject;
        writer._closedPromiseState = 'pending';
      });
    }
    function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
      writer._closedPromise = Promise.reject(reason);
      writer._closedPromise_resolve = undefined;
      writer._closedPromise_reject = undefined;
      writer._closedPromiseState = 'rejected';
    }
    function defaultWriterClosedPromiseInitializeAsResolved(writer) {
      writer._closedPromise = Promise.resolve(undefined);
      writer._closedPromise_resolve = undefined;
      writer._closedPromise_reject = undefined;
      writer._closedPromiseState = 'resolved';
    }
    function defaultWriterClosedPromiseReject(writer, reason) {
      assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
      assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
      assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
      writer._closedPromise_reject(reason);
      writer._closedPromise_resolve = undefined;
      writer._closedPromise_reject = undefined;
      writer._closedPromiseState = 'rejected';
    }
    function defaultWriterClosedPromiseResetToRejected(writer, reason) {
      assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');
      assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');
      assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');
      writer._closedPromise = Promise.reject(reason);
      writer._closedPromiseState = 'rejected';
    }
    function defaultWriterClosedPromiseResolve(writer) {
      assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
      assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
      assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
      writer._closedPromise_resolve(undefined);
      writer._closedPromise_resolve = undefined;
      writer._closedPromise_reject = undefined;
      writer._closedPromiseState = 'resolved';
    }
    function defaultWriterReadyPromiseInitialize(writer) {
      writer._readyPromise = new Promise(function (resolve, reject) {
        writer._readyPromise_resolve = resolve;
        writer._readyPromise_reject = reject;
      });
      writer._readyPromiseState = 'pending';
    }
    function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
      writer._readyPromise = Promise.reject(reason);
      writer._readyPromise_resolve = undefined;
      writer._readyPromise_reject = undefined;
      writer._readyPromiseState = 'rejected';
    }
    function defaultWriterReadyPromiseInitializeAsResolved(writer) {
      writer._readyPromise = Promise.resolve(undefined);
      writer._readyPromise_resolve = undefined;
      writer._readyPromise_reject = undefined;
      writer._readyPromiseState = 'fulfilled';
    }
    function defaultWriterReadyPromiseReject(writer, reason) {
      assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
      assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
      writer._readyPromise_reject(reason);
      writer._readyPromise_resolve = undefined;
      writer._readyPromise_reject = undefined;
      writer._readyPromiseState = 'rejected';
    }
    function defaultWriterReadyPromiseReset(writer) {
      assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
      assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
      writer._readyPromise = new Promise(function (resolve, reject) {
        writer._readyPromise_resolve = resolve;
        writer._readyPromise_reject = reject;
      });
      writer._readyPromiseState = 'pending';
    }
    function defaultWriterReadyPromiseResetToRejected(writer, reason) {
      assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
      assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
      writer._readyPromise = Promise.reject(reason);
      writer._readyPromiseState = 'rejected';
    }
    function defaultWriterReadyPromiseResolve(writer) {
      assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
      assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
      writer._readyPromise_resolve(undefined);
      writer._readyPromise_resolve = undefined;
      writer._readyPromise_reject = undefined;
      writer._readyPromiseState = 'fulfilled';
    }
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var _require = __w_pdfjs_require__(0),
        IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;
    var _require2 = __w_pdfjs_require__(1),
        assert = _require2.assert;
    exports.DequeueValue = function (container) {
      assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
      assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');
      var pair = container._queue.shift();
      container._queueTotalSize -= pair.size;
      if (container._queueTotalSize < 0) {
        container._queueTotalSize = 0;
      }
      return pair.value;
    };
    exports.EnqueueValueWithSize = function (container, value, size) {
      assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');
      size = Number(size);
      if (!IsFiniteNonNegativeNumber(size)) {
        throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
      }
      container._queue.push({
        value: value,
        size: size
      });
      container._queueTotalSize += size;
    };
    exports.PeekQueueValue = function (container) {
      assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
      assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');
      var pair = container._queue[0];
      return pair.value;
    };
    exports.ResetQueue = function (container) {
      assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');
      container._queue = [];
      container._queueTotalSize = 0;
    };
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var _createClass = function () {
      function defineProperties(target, props) {
        for (var i = 0; i < props.length; i++) {
          var descriptor = props[i];
          descriptor.enumerable = descriptor.enumerable || false;
          descriptor.configurable = true;
          if ("value" in descriptor) descriptor.writable = true;
          Object.defineProperty(target, descriptor.key, descriptor);
        }
      }
      return function (Constructor, protoProps, staticProps) {
        if (protoProps) defineProperties(Constructor.prototype, protoProps);
        if (staticProps) defineProperties(Constructor, staticProps);
        return Constructor;
      };
    }();
    function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
      }
    }
    var _require = __w_pdfjs_require__(0),
        ArrayBufferCopy = _require.ArrayBufferCopy,
        CreateIterResultObject = _require.CreateIterResultObject,
        IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,
        InvokeOrNoop = _require.InvokeOrNoop,
        PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
        TransferArrayBuffer = _require.TransferArrayBuffer,
        ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
        ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;
    var _require2 = __w_pdfjs_require__(0),
        createArrayFromList = _require2.createArrayFromList,
        createDataProperty = _require2.createDataProperty,
        typeIsObject = _require2.typeIsObject;
    var _require3 = __w_pdfjs_require__(1),
        assert = _require3.assert,
        rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;
    var _require4 = __w_pdfjs_require__(3),
        DequeueValue = _require4.DequeueValue,
        EnqueueValueWithSize = _require4.EnqueueValueWithSize,
        ResetQueue = _require4.ResetQueue;
    var _require5 = __w_pdfjs_require__(2),
        AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,
        IsWritableStream = _require5.IsWritableStream,
        IsWritableStreamLocked = _require5.IsWritableStreamLocked,
        WritableStreamAbort = _require5.WritableStreamAbort,
        WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,
        WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,
        WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,
        WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;
    var ReadableStream = function () {
      function ReadableStream() {
        var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
            size = _ref.size,
            highWaterMark = _ref.highWaterMark;
        _classCallCheck(this, ReadableStream);
        this._state = 'readable';
        this._reader = undefined;
        this._storedError = undefined;
        this._disturbed = false;
        this._readableStreamController = undefined;
        var type = underlyingSource.type;
        var typeString = String(type);
        if (typeString === 'bytes') {
          if (highWaterMark === undefined) {
            highWaterMark = 0;
          }
          this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);
        } else if (type === undefined) {
          if (highWaterMark === undefined) {
            highWaterMark = 1;
          }
          this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);
        } else {
          throw new RangeError('Invalid type is specified');
        }
      }
      _createClass(ReadableStream, [{
        key: 'cancel',
        value: function cancel(reason) {
          if (IsReadableStream(this) === false) {
            return Promise.reject(streamBrandCheckException('cancel'));
          }
          if (IsReadableStreamLocked(this) === true) {
            return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));
          }
          return ReadableStreamCancel(this, reason);
        }
      }, {
        key: 'getReader',
        value: function getReader() {
          var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
              mode = _ref2.mode;
          if (IsReadableStream(this) === false) {
            throw streamBrandCheckException('getReader');
          }
          if (mode === undefined) {
            return AcquireReadableStreamDefaultReader(this);
          }
          mode = String(mode);
          if (mode === 'byob') {
            return AcquireReadableStreamBYOBReader(this);
          }
          throw new RangeError('Invalid mode is specified');
        }
      }, {
        key: 'pipeThrough',
        value: function pipeThrough(_ref3, options) {
          var writable = _ref3.writable,
              readable = _ref3.readable;
          var promise = this.pipeTo(writable, options);
          ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);
          return readable;
        }
      }, {
        key: 'pipeTo',
        value: function pipeTo(dest) {
          var _this = this;
          var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
              preventClose = _ref4.preventClose,
              preventAbort = _ref4.preventAbort,
              preventCancel = _ref4.preventCancel;
          if (IsReadableStream(this) === false) {
            return Promise.reject(streamBrandCheckException('pipeTo'));
          }
          if (IsWritableStream(dest) === false) {
            return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
          }
          preventClose = Boolean(preventClose);
          preventAbort = Boolean(preventAbort);
          preventCancel = Boolean(preventCancel);
          if (IsReadableStreamLocked(this) === true) {
            return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
          }
          if (IsWritableStreamLocked(dest) === true) {
            return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
          }
          var reader = AcquireReadableStreamDefaultReader(this);
          var writer = AcquireWritableStreamDefaultWriter(dest);
          var shuttingDown = false;
          var currentWrite = Promise.resolve();
          return new Promise(function (resolve, reject) {
            function pipeLoop() {
              currentWrite = Promise.resolve();
              if (shuttingDown === true) {
                return Promise.resolve();
              }
              return writer._readyPromise.then(function () {
                return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {
                  var value = _ref5.value,
                      done = _ref5.done;
                  if (done === true) {
                    return;
                  }
                  currentWrite = WritableStreamDefaultWriterWrite(writer, value).catch(function () {});
                });
              }).then(pipeLoop);
            }
            isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {
              if (preventAbort === false) {
                shutdownWithAction(function () {
                  return WritableStreamAbort(dest, storedError);
                }, true, storedError);
              } else {
                shutdown(true, storedError);
              }
            });
            isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
              if (preventCancel === false) {
                shutdownWithAction(function () {
                  return ReadableStreamCancel(_this, storedError);
                }, true, storedError);
              } else {
                shutdown(true, storedError);
              }
            });
            isOrBecomesClosed(_this, reader._closedPromise, function () {
              if (preventClose === false) {
                shutdownWithAction(function () {
                  return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
                });
              } else {
                shutdown();
              }
            });
            if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
              var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');
              if (preventCancel === false) {
                shutdownWithAction(function () {
                  return ReadableStreamCancel(_this, destClosed);
                }, true, destClosed);
              } else {
                shutdown(true, destClosed);
              }
            }
            pipeLoop().catch(function (err) {
              currentWrite = Promise.resolve();
              rethrowAssertionErrorRejection(err);
            });
            function waitForWritesToFinish() {
              var oldCurrentWrite = currentWrite;
              return currentWrite.then(function () {
                return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
              });
            }
            function isOrBecomesErrored(stream, promise, action) {
              if (stream._state === 'errored') {
                action(stream._storedError);
              } else {
                promise.catch(action).catch(rethrowAssertionErrorRejection);
              }
            }
            function isOrBecomesClosed(stream, promise, action) {
              if (stream._state === 'closed') {
                action();
              } else {
                promise.then(action).catch(rethrowAssertionErrorRejection);
              }
            }
            function shutdownWithAction(action, originalIsError, originalError) {
              if (shuttingDown === true) {
                return;
              }
              shuttingDown = true;
              if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
                waitForWritesToFinish().then(doTheRest);
              } else {
                doTheRest();
              }
              function doTheRest() {
                action().then(function () {
                  return finalize(originalIsError, originalError);
                }, function (newError) {
                  return finalize(true, newError);
                }).catch(rethrowAssertionErrorRejection);
              }
            }
            function shutdown(isError, error) {
              if (shuttingDown === true) {
                return;
              }
              shuttingDown = true;
              if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
                waitForWritesToFinish().then(function () {
                  return finalize(isError, error);
                }).catch(rethrowAssertionErrorRejection);
              } else {
                finalize(isError, error);
              }
            }
            function finalize(isError, error) {
              WritableStreamDefaultWriterRelease(writer);
              ReadableStreamReaderGenericRelease(reader);
              if (isError) {
                reject(error);
              } else {
                resolve(undefined);
              }
            }
          });
        }
      }, {
        key: 'tee',
        value: function tee() {
          if (IsReadableStream(this) === false) {
            throw streamBrandCheckException('tee');
          }
          var branches = ReadableStreamTee(this, false);
          return createArrayFromList(branches);
        }
      }, {
        key: 'locked',
        get: function get() {
          if (IsReadableStream(this) === false) {
            throw streamBrandCheckException('locked');
          }
          return IsReadableStreamLocked(this);
        }
      }]);
      return ReadableStream;
    }();
    module.exports = {
      ReadableStream: ReadableStream,
      IsReadableStreamDisturbed: IsReadableStreamDisturbed,
      ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,
      ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,
      ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,
      ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize
    };
    function AcquireReadableStreamBYOBReader(stream) {
      return new ReadableStreamBYOBReader(stream);
    }
    function AcquireReadableStreamDefaultReader(stream) {
      return new ReadableStreamDefaultReader(stream);
    }
    function IsReadableStream(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
        return false;
      }
      return true;
    }
    function IsReadableStreamDisturbed(stream) {
      assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');
      return stream._disturbed;
    }
    function IsReadableStreamLocked(stream) {
      assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');
      if (stream._reader === undefined) {
        return false;
      }
      return true;
    }
    function ReadableStreamTee(stream, cloneForBranch2) {
      assert(IsReadableStream(stream) === true);
      assert(typeof cloneForBranch2 === 'boolean');
      var reader = AcquireReadableStreamDefaultReader(stream);
      var teeState = {
        closedOrErrored: false,
        canceled1: false,
        canceled2: false,
        reason1: undefined,
        reason2: undefined
      };
      teeState.promise = new Promise(function (resolve) {
        teeState._resolve = resolve;
      });
      var pull = create_ReadableStreamTeePullFunction();
      pull._reader = reader;
      pull._teeState = teeState;
      pull._cloneForBranch2 = cloneForBranch2;
      var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();
      cancel1._stream = stream;
      cancel1._teeState = teeState;
      var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();
      cancel2._stream = stream;
      cancel2._teeState = teeState;
      var underlyingSource1 = Object.create(Object.prototype);
      createDataProperty(underlyingSource1, 'pull', pull);
      createDataProperty(underlyingSource1, 'cancel', cancel1);
      var branch1Stream = new ReadableStream(underlyingSource1);
      var underlyingSource2 = Object.create(Object.prototype);
      createDataProperty(underlyingSource2, 'pull', pull);
      createDataProperty(underlyingSource2, 'cancel', cancel2);
      var branch2Stream = new ReadableStream(underlyingSource2);
      pull._branch1 = branch1Stream._readableStreamController;
      pull._branch2 = branch2Stream._readableStreamController;
      reader._closedPromise.catch(function (r) {
        if (teeState.closedOrErrored === true) {
          return;
        }
        ReadableStreamDefaultControllerError(pull._branch1, r);
        ReadableStreamDefaultControllerError(pull._branch2, r);
        teeState.closedOrErrored = true;
      });
      return [branch1Stream, branch2Stream];
    }
    function create_ReadableStreamTeePullFunction() {
      function f() {
        var reader = f._reader,
            branch1 = f._branch1,
            branch2 = f._branch2,
            teeState = f._teeState;
        return ReadableStreamDefaultReaderRead(reader).then(function (result) {
          assert(typeIsObject(result));
          var value = result.value;
          var done = result.done;
          assert(typeof done === 'boolean');
          if (done === true && teeState.closedOrErrored === false) {
            if (teeState.canceled1 === false) {
              ReadableStreamDefaultControllerClose(branch1);
            }
            if (teeState.canceled2 === false) {
              ReadableStreamDefaultControllerClose(branch2);
            }
            teeState.closedOrErrored = true;
          }
          if (teeState.closedOrErrored === true) {
            return;
          }
          var value1 = value;
          var value2 = value;
          if (teeState.canceled1 === false) {
            ReadableStreamDefaultControllerEnqueue(branch1, value1);
          }
          if (teeState.canceled2 === false) {
            ReadableStreamDefaultControllerEnqueue(branch2, value2);
          }
        });
      }
      return f;
    }
    function create_ReadableStreamTeeBranch1CancelFunction() {
      function f(reason) {
        var stream = f._stream,
            teeState = f._teeState;
        teeState.canceled1 = true;
        teeState.reason1 = reason;
        if (teeState.canceled2 === true) {
          var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
          var cancelResult = ReadableStreamCancel(stream, compositeReason);
          teeState._resolve(cancelResult);
        }
        return teeState.promise;
      }
      return f;
    }
    function create_ReadableStreamTeeBranch2CancelFunction() {
      function f(reason) {
        var stream = f._stream,
            teeState = f._teeState;
        teeState.canceled2 = true;
        teeState.reason2 = reason;
        if (teeState.canceled1 === true) {
          var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
          var cancelResult = ReadableStreamCancel(stream, compositeReason);
          teeState._resolve(cancelResult);
        }
        return teeState.promise;
      }
      return f;
    }
    function ReadableStreamAddReadIntoRequest(stream) {
      assert(IsReadableStreamBYOBReader(stream._reader) === true);
      assert(stream._state === 'readable' || stream._state === 'closed');
      var promise = new Promise(function (resolve, reject) {
        var readIntoRequest = {
          _resolve: resolve,
          _reject: reject
        };
        stream._reader._readIntoRequests.push(readIntoRequest);
      });
      return promise;
    }
    function ReadableStreamAddReadRequest(stream) {
      assert(IsReadableStreamDefaultReader(stream._reader) === true);
      assert(stream._state === 'readable');
      var promise = new Promise(function (resolve, reject) {
        var readRequest = {
          _resolve: resolve,
          _reject: reject
        };
        stream._reader._readRequests.push(readRequest);
      });
      return promise;
    }
    function ReadableStreamCancel(stream, reason) {
      stream._disturbed = true;
      if (stream._state === 'closed') {
        return Promise.resolve(undefined);
      }
      if (stream._state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      ReadableStreamClose(stream);
      var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);
      return sourceCancelPromise.then(function () {
        return undefined;
      });
    }
    function ReadableStreamClose(stream) {
      assert(stream._state === 'readable');
      stream._state = 'closed';
      var reader = stream._reader;
      if (reader === undefined) {
        return undefined;
      }
      if (IsReadableStreamDefaultReader(reader) === true) {
        for (var i = 0; i < reader._readRequests.length; i++) {
          var _resolve = reader._readRequests[i]._resolve;
          _resolve(CreateIterResultObject(undefined, true));
        }
        reader._readRequests = [];
      }
      defaultReaderClosedPromiseResolve(reader);
      return undefined;
    }
    function ReadableStreamError(stream, e) {
      assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');
      assert(stream._state === 'readable', 'state must be readable');
      stream._state = 'errored';
      stream._storedError = e;
      var reader = stream._reader;
      if (reader === undefined) {
        return undefined;
      }
      if (IsReadableStreamDefaultReader(reader) === true) {
        for (var i = 0; i < reader._readRequests.length; i++) {
          var readRequest = reader._readRequests[i];
          readRequest._reject(e);
        }
        reader._readRequests = [];
      } else {
        assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');
        for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {
          var readIntoRequest = reader._readIntoRequests[_i];
          readIntoRequest._reject(e);
        }
        reader._readIntoRequests = [];
      }
      defaultReaderClosedPromiseReject(reader, e);
      reader._closedPromise.catch(function () {});
    }
    function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
      var reader = stream._reader;
      assert(reader._readIntoRequests.length > 0);
      var readIntoRequest = reader._readIntoRequests.shift();
      readIntoRequest._resolve(CreateIterResultObject(chunk, done));
    }
    function ReadableStreamFulfillReadRequest(stream, chunk, done) {
      var reader = stream._reader;
      assert(reader._readRequests.length > 0);
      var readRequest = reader._readRequests.shift();
      readRequest._resolve(CreateIterResultObject(chunk, done));
    }
    function ReadableStreamGetNumReadIntoRequests(stream) {
      return stream._reader._readIntoRequests.length;
    }
    function ReadableStreamGetNumReadRequests(stream) {
      return stream._reader._readRequests.length;
    }
    function ReadableStreamHasBYOBReader(stream) {
      var reader = stream._reader;
      if (reader === undefined) {
        return false;
      }
      if (IsReadableStreamBYOBReader(reader) === false) {
        return false;
      }
      return true;
    }
    function ReadableStreamHasDefaultReader(stream) {
      var reader = stream._reader;
      if (reader === undefined) {
        return false;
      }
      if (IsReadableStreamDefaultReader(reader) === false) {
        return false;
      }
      return true;
    }
    var ReadableStreamDefaultReader = function () {
      function ReadableStreamDefaultReader(stream) {
        _classCallCheck(this, ReadableStreamDefaultReader);
        if (IsReadableStream(stream) === false) {
          throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
        }
        if (IsReadableStreamLocked(stream) === true) {
          throw new TypeError('This stream has already been locked for exclusive reading by another reader');
        }
        ReadableStreamReaderGenericInitialize(this, stream);
        this._readRequests = [];
      }
      _createClass(ReadableStreamDefaultReader, [{
        key: 'cancel',
        value: function cancel(reason) {
          if (IsReadableStreamDefaultReader(this) === false) {
            return Promise.reject(defaultReaderBrandCheckException('cancel'));
          }
          if (this._ownerReadableStream === undefined) {
            return Promise.reject(readerLockException('cancel'));
          }
          return ReadableStreamReaderGenericCancel(this, reason);
        }
      }, {
        key: 'read',
        value: function read() {
          if (IsReadableStreamDefaultReader(this) === false) {
            return Promise.reject(defaultReaderBrandCheckException('read'));
          }
          if (this._ownerReadableStream === undefined) {
            return Promise.reject(readerLockException('read from'));
          }
          return ReadableStreamDefaultReaderRead(this);
        }
      }, {
        key: 'releaseLock',
        value: function releaseLock() {
          if (IsReadableStreamDefaultReader(this) === false) {
            throw defaultReaderBrandCheckException('releaseLock');
          }
          if (this._ownerReadableStream === undefined) {
            return;
          }
          if (this._readRequests.length > 0) {
            throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
          }
          ReadableStreamReaderGenericRelease(this);
        }
      }, {
        key: 'closed',
        get: function get() {
          if (IsReadableStreamDefaultReader(this) === false) {
            return Promise.reject(defaultReaderBrandCheckException('closed'));
          }
          return this._closedPromise;
        }
      }]);
      return ReadableStreamDefaultReader;
    }();
    var ReadableStreamBYOBReader = function () {
      function ReadableStreamBYOBReader(stream) {
        _classCallCheck(this, ReadableStreamBYOBReader);
        if (!IsReadableStream(stream)) {
          throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
        }
        if (IsReadableByteStreamController(stream._readableStreamController) === false) {
          throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
        }
        if (IsReadableStreamLocked(stream)) {
          throw new TypeError('This stream has already been locked for exclusive reading by another reader');
        }
        ReadableStreamReaderGenericInitialize(this, stream);
        this._readIntoRequests = [];
      }
      _createClass(ReadableStreamBYOBReader, [{
        key: 'cancel',
        value: function cancel(reason) {
          if (!IsReadableStreamBYOBReader(this)) {
            return Promise.reject(byobReaderBrandCheckException('cancel'));
          }
          if (this._ownerReadableStream === undefined) {
            return Promise.reject(readerLockException('cancel'));
          }
          return ReadableStreamReaderGenericCancel(this, reason);
        }
      }, {
        key: 'read',
        value: function read(view) {
          if (!IsReadableStreamBYOBReader(this)) {
            return Promise.reject(byobReaderBrandCheckException('read'));
          }
          if (this._ownerReadableStream === undefined) {
            return Promise.reject(readerLockException('read from'));
          }
          if (!ArrayBuffer.isView(view)) {
            return Promise.reject(new TypeError('view must be an array buffer view'));
          }
          if (view.byteLength === 0) {
            return Promise.reject(new TypeError('view must have non-zero byteLength'));
          }
          return ReadableStreamBYOBReaderRead(this, view);
        }
      }, {
        key: 'releaseLock',
        value: function releaseLock() {
          if (!IsReadableStreamBYOBReader(this)) {
            throw byobReaderBrandCheckException('releaseLock');
          }
          if (this._ownerReadableStream === undefined) {
            return;
          }
          if (this._readIntoRequests.length > 0) {
            throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
          }
          ReadableStreamReaderGenericRelease(this);
        }
      }, {
        key: 'closed',
        get: function get() {
          if (!IsReadableStreamBYOBReader(this)) {
            return Promise.reject(byobReaderBrandCheckException('closed'));
          }
          return this._closedPromise;
        }
      }]);
      return ReadableStreamBYOBReader;
    }();
    function IsReadableStreamBYOBReader(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
        return false;
      }
      return true;
    }
    function IsReadableStreamDefaultReader(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
        return false;
      }
      return true;
    }
    function ReadableStreamReaderGenericInitialize(reader, stream) {
      reader._ownerReadableStream = stream;
      stream._reader = reader;
      if (stream._state === 'readable') {
        defaultReaderClosedPromiseInitialize(reader);
      } else if (stream._state === 'closed') {
        defaultReaderClosedPromiseInitializeAsResolved(reader);
      } else {
        assert(stream._state === 'errored', 'state must be errored');
        defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
        reader._closedPromise.catch(function () {});
      }
    }
    function ReadableStreamReaderGenericCancel(reader, reason) {
      var stream = reader._ownerReadableStream;
      assert(stream !== undefined);
      return ReadableStreamCancel(stream, reason);
    }
    function ReadableStreamReaderGenericRelease(reader) {
      assert(reader._ownerReadableStream !== undefined);
      assert(reader._ownerReadableStream._reader === reader);
      if (reader._ownerReadableStream._state === 'readable') {
        defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
      } else {
        defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
      }
      reader._closedPromise.catch(function () {});
      reader._ownerReadableStream._reader = undefined;
      reader._ownerReadableStream = undefined;
    }
    function ReadableStreamBYOBReaderRead(reader, view) {
      var stream = reader._ownerReadableStream;
      assert(stream !== undefined);
      stream._disturbed = true;
      if (stream._state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
    }
    function ReadableStreamDefaultReaderRead(reader) {
      var stream = reader._ownerReadableStream;
      assert(stream !== undefined);
      stream._disturbed = true;
      if (stream._state === 'closed') {
        return Promise.resolve(CreateIterResultObject(undefined, true));
      }
      if (stream._state === 'errored') {
        return Promise.reject(stream._storedError);
      }
      assert(stream._state === 'readable');
      return stream._readableStreamController.__pullSteps();
    }
    var ReadableStreamDefaultController = function () {
      function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {
        _classCallCheck(this, ReadableStreamDefaultController);
        if (IsReadableStream(stream) === false) {
          throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');
        }
        if (stream._readableStreamController !== undefined) {
          throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');
        }
        this._controlledReadableStream = stream;
        this._underlyingSource = underlyingSource;
        this._queue = undefined;
        this._queueTotalSize = undefined;
        ResetQueue(this);
        this._started = false;
        this._closeRequested = false;
        this._pullAgain = false;
        this._pulling = false;
        var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
        this._strategySize = normalizedStrategy.size;
        this._strategyHWM = normalizedStrategy.highWaterMark;
        var controller = this;
        var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);
        Promise.resolve(startResult).then(function () {
          controller._started = true;
          assert(controller._pulling === false);
          assert(controller._pullAgain === false);
          ReadableStreamDefaultControllerCallPullIfNeeded(controller);
        }, function (r) {
          ReadableStreamDefaultControllerErrorIfNeeded(controller, r);
        }).catch(rethrowAssertionErrorRejection);
      }
      _createClass(ReadableStreamDefaultController, [{
        key: 'close',
        value: function close() {
          if (IsReadableStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('close');
          }
          if (this._closeRequested === true) {
            throw new TypeError('The stream has already been closed; do not close it again!');
          }
          var state = this._controlledReadableStream._state;
          if (state !== 'readable') {
            throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
          }
          ReadableStreamDefaultControllerClose(this);
        }
      }, {
        key: 'enqueue',
        value: function enqueue(chunk) {
          if (IsReadableStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('enqueue');
          }
          if (this._closeRequested === true) {
            throw new TypeError('stream is closed or draining');
          }
          var state = this._controlledReadableStream._state;
          if (state !== 'readable') {
            throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
          }
          return ReadableStreamDefaultControllerEnqueue(this, chunk);
        }
      }, {
        key: 'error',
        value: function error(e) {
          if (IsReadableStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('error');
          }
          var stream = this._controlledReadableStream;
          if (stream._state !== 'readable') {
            throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
          }
          ReadableStreamDefaultControllerError(this, e);
        }
      }, {
        key: '__cancelSteps',
        value: function __cancelSteps(reason) {
          ResetQueue(this);
          return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);
        }
      }, {
        key: '__pullSteps',
        value: function __pullSteps() {
          var stream = this._controlledReadableStream;
          if (this._queue.length > 0) {
            var chunk = DequeueValue(this);
            if (this._closeRequested === true && this._queue.length === 0) {
              ReadableStreamClose(stream);
            } else {
              ReadableStreamDefaultControllerCallPullIfNeeded(this);
            }
            return Promise.resolve(CreateIterResultObject(chunk, false));
          }
          var pendingPromise = ReadableStreamAddReadRequest(stream);
          ReadableStreamDefaultControllerCallPullIfNeeded(this);
          return pendingPromise;
        }
      }, {
        key: 'desiredSize',
        get: function get() {
          if (IsReadableStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('desiredSize');
          }
          return ReadableStreamDefaultControllerGetDesiredSize(this);
        }
      }]);
      return ReadableStreamDefaultController;
    }();
    function IsReadableStreamDefaultController(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {
        return false;
      }
      return true;
    }
    function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
      var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
      if (shouldPull === false) {
        return undefined;
      }
      if (controller._pulling === true) {
        controller._pullAgain = true;
        return undefined;
      }
      assert(controller._pullAgain === false);
      controller._pulling = true;
      var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);
      pullPromise.then(function () {
        controller._pulling = false;
        if (controller._pullAgain === true) {
          controller._pullAgain = false;
          return ReadableStreamDefaultControllerCallPullIfNeeded(controller);
        }
        return undefined;
      }, function (e) {
        ReadableStreamDefaultControllerErrorIfNeeded(controller, e);
      }).catch(rethrowAssertionErrorRejection);
      return undefined;
    }
    function ReadableStreamDefaultControllerShouldCallPull(controller) {
      var stream = controller._controlledReadableStream;
      if (stream._state === 'closed' || stream._state === 'errored') {
        return false;
      }
      if (controller._closeRequested === true) {
        return false;
      }
      if (controller._started === false) {
        return false;
      }
      if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
        return true;
      }
      var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
      if (desiredSize > 0) {
        return true;
      }
      return false;
    }
    function ReadableStreamDefaultControllerClose(controller) {
      var stream = controller._controlledReadableStream;
      assert(controller._closeRequested === false);
      assert(stream._state === 'readable');
      controller._closeRequested = true;
      if (controller._queue.length === 0) {
        ReadableStreamClose(stream);
      }
    }
    function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
      var stream = controller._controlledReadableStream;
      assert(controller._closeRequested === false);
      assert(stream._state === 'readable');
      if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
        ReadableStreamFulfillReadRequest(stream, chunk, false);
      } else {
        var chunkSize = 1;
        if (controller._strategySize !== undefined) {
          var strategySize = controller._strategySize;
          try {
            chunkSize = strategySize(chunk);
          } catch (chunkSizeE) {
            ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
            throw chunkSizeE;
          }
        }
        try {
          EnqueueValueWithSize(controller, chunk, chunkSize);
        } catch (enqueueE) {
          ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
          throw enqueueE;
        }
      }
      ReadableStreamDefaultControllerCallPullIfNeeded(controller);
      return undefined;
    }
    function ReadableStreamDefaultControllerError(controller, e) {
      var stream = controller._controlledReadableStream;
      assert(stream._state === 'readable');
      ResetQueue(controller);
      ReadableStreamError(stream, e);
    }
    function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {
      if (controller._controlledReadableStream._state === 'readable') {
        ReadableStreamDefaultControllerError(controller, e);
      }
    }
    function ReadableStreamDefaultControllerGetDesiredSize(controller) {
      var stream = controller._controlledReadableStream;
      var state = stream._state;
      if (state === 'errored') {
        return null;
      }
      if (state === 'closed') {
        return 0;
      }
      return controller._strategyHWM - controller._queueTotalSize;
    }
    var ReadableStreamBYOBRequest = function () {
      function ReadableStreamBYOBRequest(controller, view) {
        _classCallCheck(this, ReadableStreamBYOBRequest);
        this._associatedReadableByteStreamController = controller;
        this._view = view;
      }
      _createClass(ReadableStreamBYOBRequest, [{
        key: 'respond',
        value: function respond(bytesWritten) {
          if (IsReadableStreamBYOBRequest(this) === false) {
            throw byobRequestBrandCheckException('respond');
          }
          if (this._associatedReadableByteStreamController === undefined) {
            throw new TypeError('This BYOB request has been invalidated');
          }
          ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
        }
      }, {
        key: 'respondWithNewView',
        value: function respondWithNewView(view) {
          if (IsReadableStreamBYOBRequest(this) === false) {
            throw byobRequestBrandCheckException('respond');
          }
          if (this._associatedReadableByteStreamController === undefined) {
            throw new TypeError('This BYOB request has been invalidated');
          }
          if (!ArrayBuffer.isView(view)) {
            throw new TypeError('You can only respond with array buffer views');
          }
          ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
        }
      }, {
        key: 'view',
        get: function get() {
          return this._view;
        }
      }]);
      return ReadableStreamBYOBRequest;
    }();
    var ReadableByteStreamController = function () {
      function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {
        _classCallCheck(this, ReadableByteStreamController);
        if (IsReadableStream(stream) === false) {
          throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');
        }
        if (stream._readableStreamController !== undefined) {
          throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');
        }
        this._controlledReadableStream = stream;
        this._underlyingByteSource = underlyingByteSource;
        this._pullAgain = false;
        this._pulling = false;
        ReadableByteStreamControllerClearPendingPullIntos(this);
        this._queue = this._queueTotalSize = undefined;
        ResetQueue(this);
        this._closeRequested = false;
        this._started = false;
        this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
        var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
        if (autoAllocateChunkSize !== undefined) {
          if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
            throw new RangeError('autoAllocateChunkSize must be a positive integer');
          }
        }
        this._autoAllocateChunkSize = autoAllocateChunkSize;
        this._pendingPullIntos = [];
        var controller = this;
        var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);
        Promise.resolve(startResult).then(function () {
          controller._started = true;
          assert(controller._pulling === false);
          assert(controller._pullAgain === false);
          ReadableByteStreamControllerCallPullIfNeeded(controller);
        }, function (r) {
          if (stream._state === 'readable') {
            ReadableByteStreamControllerError(controller, r);
          }
        }).catch(rethrowAssertionErrorRejection);
      }
      _createClass(ReadableByteStreamController, [{
        key: 'close',
        value: function close() {
          if (IsReadableByteStreamController(this) === false) {
            throw byteStreamControllerBrandCheckException('close');
          }
          if (this._closeRequested === true) {
            throw new TypeError('The stream has already been closed; do not close it again!');
          }
          var state = this._controlledReadableStream._state;
          if (state !== 'readable') {
            throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
          }
          ReadableByteStreamControllerClose(this);
        }
      }, {
        key: 'enqueue',
        value: function enqueue(chunk) {
          if (IsReadableByteStreamController(this) === false) {
            throw byteStreamControllerBrandCheckException('enqueue');
          }
          if (this._closeRequested === true) {
            throw new TypeError('stream is closed or draining');
          }
          var state = this._controlledReadableStream._state;
          if (state !== 'readable') {
            throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
          }
          if (!ArrayBuffer.isView(chunk)) {
            throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
          }
          ReadableByteStreamControllerEnqueue(this, chunk);
        }
      }, {
        key: 'error',
        value: function error(e) {
          if (IsReadableByteStreamController(this) === false) {
            throw byteStreamControllerBrandCheckException('error');
          }
          var stream = this._controlledReadableStream;
          if (stream._state !== 'readable') {
            throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
          }
          ReadableByteStreamControllerError(this, e);
        }
      }, {
        key: '__cancelSteps',
        value: function __cancelSteps(reason) {
          if (this._pendingPullIntos.length > 0) {
            var firstDescriptor = this._pendingPullIntos[0];
            firstDescriptor.bytesFilled = 0;
          }
          ResetQueue(this);
          return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);
        }
      }, {
        key: '__pullSteps',
        value: function __pullSteps() {
          var stream = this._controlledReadableStream;
          assert(ReadableStreamHasDefaultReader(stream) === true);
          if (this._queueTotalSize > 0) {
            assert(ReadableStreamGetNumReadRequests(stream) === 0);
            var entry = this._queue.shift();
            this._queueTotalSize -= entry.byteLength;
            ReadableByteStreamControllerHandleQueueDrain(this);
            var view = void 0;
            try {
              view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
            } catch (viewE) {
              return Promise.reject(viewE);
            }
            return Promise.resolve(CreateIterResultObject(view, false));
          }
          var autoAllocateChunkSize = this._autoAllocateChunkSize;
          if (autoAllocateChunkSize !== undefined) {
            var buffer = void 0;
            try {
              buffer = new ArrayBuffer(autoAllocateChunkSize);
            } catch (bufferE) {
              return Promise.reject(bufferE);
            }
            var pullIntoDescriptor = {
              buffer: buffer,
              byteOffset: 0,
              byteLength: autoAllocateChunkSize,
              bytesFilled: 0,
              elementSize: 1,
              ctor: Uint8Array,
              readerType: 'default'
            };
            this._pendingPullIntos.push(pullIntoDescriptor);
          }
          var promise = ReadableStreamAddReadRequest(stream);
          ReadableByteStreamControllerCallPullIfNeeded(this);
          return promise;
        }
      }, {
        key: 'byobRequest',
        get: function get() {
          if (IsReadableByteStreamController(this) === false) {
            throw byteStreamControllerBrandCheckException('byobRequest');
          }
          if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
            var firstDescriptor = this._pendingPullIntos[0];
            var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
            this._byobRequest = new ReadableStreamBYOBRequest(this, view);
          }
          return this._byobRequest;
        }
      }, {
        key: 'desiredSize',
        get: function get() {
          if (IsReadableByteStreamController(this) === false) {
            throw byteStreamControllerBrandCheckException('desiredSize');
          }
          return ReadableByteStreamControllerGetDesiredSize(this);
        }
      }]);
      return ReadableByteStreamController;
    }();
    function IsReadableByteStreamController(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {
        return false;
      }
      return true;
    }
    function IsReadableStreamBYOBRequest(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
        return false;
      }
      return true;
    }
    function ReadableByteStreamControllerCallPullIfNeeded(controller) {
      var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
      if (shouldPull === false) {
        return undefined;
      }
      if (controller._pulling === true) {
        controller._pullAgain = true;
        return undefined;
      }
      assert(controller._pullAgain === false);
      controller._pulling = true;
      var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);
      pullPromise.then(function () {
        controller._pulling = false;
        if (controller._pullAgain === true) {
          controller._pullAgain = false;
          ReadableByteStreamControllerCallPullIfNeeded(controller);
        }
      }, function (e) {
        if (controller._controlledReadableStream._state === 'readable') {
          ReadableByteStreamControllerError(controller, e);
        }
      }).catch(rethrowAssertionErrorRejection);
      return undefined;
    }
    function ReadableByteStreamControllerClearPendingPullIntos(controller) {
      ReadableByteStreamControllerInvalidateBYOBRequest(controller);
      controller._pendingPullIntos = [];
    }
    function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
      assert(stream._state !== 'errored', 'state must not be errored');
      var done = false;
      if (stream._state === 'closed') {
        assert(pullIntoDescriptor.bytesFilled === 0);
        done = true;
      }
      var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
      if (pullIntoDescriptor.readerType === 'default') {
        ReadableStreamFulfillReadRequest(stream, filledView, done);
      } else {
        assert(pullIntoDescriptor.readerType === 'byob');
        ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
      }
    }
    function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
      var bytesFilled = pullIntoDescriptor.bytesFilled;
      var elementSize = pullIntoDescriptor.elementSize;
      assert(bytesFilled <= pullIntoDescriptor.byteLength);
      assert(bytesFilled % elementSize === 0);
      return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
    }
    function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
      controller._queue.push({
        buffer: buffer,
        byteOffset: byteOffset,
        byteLength: byteLength
      });
      controller._queueTotalSize += byteLength;
    }
    function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
      var elementSize = pullIntoDescriptor.elementSize;
      var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
      var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
      var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
      var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
      var totalBytesToCopyRemaining = maxBytesToCopy;
      var ready = false;
      if (maxAlignedBytes > currentAlignedBytes) {
        totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
        ready = true;
      }
      var queue = controller._queue;
      while (totalBytesToCopyRemaining > 0) {
        var headOfQueue = queue[0];
        var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
        var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
        ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
        if (headOfQueue.byteLength === bytesToCopy) {
          queue.shift();
        } else {
          headOfQueue.byteOffset += bytesToCopy;
          headOfQueue.byteLength -= bytesToCopy;
        }
        controller._queueTotalSize -= bytesToCopy;
        ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
        totalBytesToCopyRemaining -= bytesToCopy;
      }
      if (ready === false) {
        assert(controller._queueTotalSize === 0, 'queue must be empty');
        assert(pullIntoDescriptor.bytesFilled > 0);
        assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);
      }
      return ready;
    }
    function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
      assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);
      ReadableByteStreamControllerInvalidateBYOBRequest(controller);
      pullIntoDescriptor.bytesFilled += size;
    }
    function ReadableByteStreamControllerHandleQueueDrain(controller) {
      assert(controller._controlledReadableStream._state === 'readable');
      if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
        ReadableStreamClose(controller._controlledReadableStream);
      } else {
        ReadableByteStreamControllerCallPullIfNeeded(controller);
      }
    }
    function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
      if (controller._byobRequest === undefined) {
        return;
      }
      controller._byobRequest._associatedReadableByteStreamController = undefined;
      controller._byobRequest._view = undefined;
      controller._byobRequest = undefined;
    }
    function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
      assert(controller._closeRequested === false);
      while (controller._pendingPullIntos.length > 0) {
        if (controller._queueTotalSize === 0) {
          return;
        }
        var pullIntoDescriptor = controller._pendingPullIntos[0];
        if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
          ReadableByteStreamControllerShiftPendingPullInto(controller);
          ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
        }
      }
    }
    function ReadableByteStreamControllerPullInto(controller, view) {
      var stream = controller._controlledReadableStream;
      var elementSize = 1;
      if (view.constructor !== DataView) {
        elementSize = view.constructor.BYTES_PER_ELEMENT;
      }
      var ctor = view.constructor;
      var pullIntoDescriptor = {
        buffer: view.buffer,
        byteOffset: view.byteOffset,
        byteLength: view.byteLength,
        bytesFilled: 0,
        elementSize: elementSize,
        ctor: ctor,
        readerType: 'byob'
      };
      if (controller._pendingPullIntos.length > 0) {
        pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
        controller._pendingPullIntos.push(pullIntoDescriptor);
        return ReadableStreamAddReadIntoRequest(stream);
      }
      if (stream._state === 'closed') {
        var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
        return Promise.resolve(CreateIterResultObject(emptyView, true));
      }
      if (controller._queueTotalSize > 0) {
        if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
          var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
          ReadableByteStreamControllerHandleQueueDrain(controller);
          return Promise.resolve(CreateIterResultObject(filledView, false));
        }
        if (controller._closeRequested === true) {
          var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
          ReadableByteStreamControllerError(controller, e);
          return Promise.reject(e);
        }
      }
      pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
      controller._pendingPullIntos.push(pullIntoDescriptor);
      var promise = ReadableStreamAddReadIntoRequest(stream);
      ReadableByteStreamControllerCallPullIfNeeded(controller);
      return promise;
    }
    function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
      firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
      assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');
      var stream = controller._controlledReadableStream;
      if (ReadableStreamHasBYOBReader(stream) === true) {
        while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
          var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
          ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
        }
      }
    }
    function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
      if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
        throw new RangeError('bytesWritten out of range');
      }
      ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
      if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
        return;
      }
      ReadableByteStreamControllerShiftPendingPullInto(controller);
      var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
      if (remainderSize > 0) {
        var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
        var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
        ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
      }
      pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
      pullIntoDescriptor.bytesFilled -= remainderSize;
      ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
      ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
    }
    function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
      var firstDescriptor = controller._pendingPullIntos[0];
      var stream = controller._controlledReadableStream;
      if (stream._state === 'closed') {
        if (bytesWritten !== 0) {
          throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
        }
        ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
      } else {
        assert(stream._state === 'readable');
        ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
      }
    }
    function ReadableByteStreamControllerShiftPendingPullInto(controller) {
      var descriptor = controller._pendingPullIntos.shift();
      ReadableByteStreamControllerInvalidateBYOBRequest(controller);
      return descriptor;
    }
    function ReadableByteStreamControllerShouldCallPull(controller) {
      var stream = controller._controlledReadableStream;
      if (stream._state !== 'readable') {
        return false;
      }
      if (controller._closeRequested === true) {
        return false;
      }
      if (controller._started === false) {
        return false;
      }
      if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
        return true;
      }
      if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
        return true;
      }
      if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {
        return true;
      }
      return false;
    }
    function ReadableByteStreamControllerClose(controller) {
      var stream = controller._controlledReadableStream;
      assert(controller._closeRequested === false);
      assert(stream._state === 'readable');
      if (controller._queueTotalSize > 0) {
        controller._closeRequested = true;
        return;
      }
      if (controller._pendingPullIntos.length > 0) {
        var firstPendingPullInto = controller._pendingPullIntos[0];
        if (firstPendingPullInto.bytesFilled > 0) {
          var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
          ReadableByteStreamControllerError(controller, e);
          throw e;
        }
      }
      ReadableStreamClose(stream);
    }
    function ReadableByteStreamControllerEnqueue(controller, chunk) {
      var stream = controller._controlledReadableStream;
      assert(controller._closeRequested === false);
      assert(stream._state === 'readable');
      var buffer = chunk.buffer;
      var byteOffset = chunk.byteOffset;
      var byteLength = chunk.byteLength;
      var transferredBuffer = TransferArrayBuffer(buffer);
      if (ReadableStreamHasDefaultReader(stream) === true) {
        if (ReadableStreamGetNumReadRequests(stream) === 0) {
          ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
        } else {
          assert(controller._queue.length === 0);
          var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
          ReadableStreamFulfillReadRequest(stream, transferredView, false);
        }
      } else if (ReadableStreamHasBYOBReader(stream) === true) {
        ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
        ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
      } else {
        assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');
        ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
      }
    }
    function ReadableByteStreamControllerError(controller, e) {
      var stream = controller._controlledReadableStream;
      assert(stream._state === 'readable');
      ReadableByteStreamControllerClearPendingPullIntos(controller);
      ResetQueue(controller);
      ReadableStreamError(stream, e);
    }
    function ReadableByteStreamControllerGetDesiredSize(controller) {
      var stream = controller._controlledReadableStream;
      var state = stream._state;
      if (state === 'errored') {
        return null;
      }
      if (state === 'closed') {
        return 0;
      }
      return controller._strategyHWM - controller._queueTotalSize;
    }
    function ReadableByteStreamControllerRespond(controller, bytesWritten) {
      bytesWritten = Number(bytesWritten);
      if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
        throw new RangeError('bytesWritten must be a finite');
      }
      assert(controller._pendingPullIntos.length > 0);
      ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
    }
    function ReadableByteStreamControllerRespondWithNewView(controller, view) {
      assert(controller._pendingPullIntos.length > 0);
      var firstDescriptor = controller._pendingPullIntos[0];
      if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
        throw new RangeError('The region specified by view does not match byobRequest');
      }
      if (firstDescriptor.byteLength !== view.byteLength) {
        throw new RangeError('The buffer of view has different capacity than byobRequest');
      }
      firstDescriptor.buffer = view.buffer;
      ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
    }
    function streamBrandCheckException(name) {
      return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');
    }
    function readerLockException(name) {
      return new TypeError('Cannot ' + name + ' a stream using a released reader');
    }
    function defaultReaderBrandCheckException(name) {
      return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');
    }
    function defaultReaderClosedPromiseInitialize(reader) {
      reader._closedPromise = new Promise(function (resolve, reject) {
        reader._closedPromise_resolve = resolve;
        reader._closedPromise_reject = reject;
      });
    }
    function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
      reader._closedPromise = Promise.reject(reason);
      reader._closedPromise_resolve = undefined;
      reader._closedPromise_reject = undefined;
    }
    function defaultReaderClosedPromiseInitializeAsResolved(reader) {
      reader._closedPromise = Promise.resolve(undefined);
      reader._closedPromise_resolve = undefined;
      reader._closedPromise_reject = undefined;
    }
    function defaultReaderClosedPromiseReject(reader, reason) {
      assert(reader._closedPromise_resolve !== undefined);
      assert(reader._closedPromise_reject !== undefined);
      reader._closedPromise_reject(reason);
      reader._closedPromise_resolve = undefined;
      reader._closedPromise_reject = undefined;
    }
    function defaultReaderClosedPromiseResetToRejected(reader, reason) {
      assert(reader._closedPromise_resolve === undefined);
      assert(reader._closedPromise_reject === undefined);
      reader._closedPromise = Promise.reject(reason);
    }
    function defaultReaderClosedPromiseResolve(reader) {
      assert(reader._closedPromise_resolve !== undefined);
      assert(reader._closedPromise_reject !== undefined);
      reader._closedPromise_resolve(undefined);
      reader._closedPromise_resolve = undefined;
      reader._closedPromise_reject = undefined;
    }
    function byobReaderBrandCheckException(name) {
      return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');
    }
    function defaultControllerBrandCheckException(name) {
      return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');
    }
    function byobRequestBrandCheckException(name) {
      return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');
    }
    function byteStreamControllerBrandCheckException(name) {
      return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');
    }
    function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {
      try {
        Promise.prototype.then.call(promise, undefined, function () {});
      } catch (e) {}
    }
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var transformStream = __w_pdfjs_require__(6);
    var readableStream = __w_pdfjs_require__(4);
    var writableStream = __w_pdfjs_require__(2);
    exports.TransformStream = transformStream.TransformStream;
    exports.ReadableStream = readableStream.ReadableStream;
    exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;
    exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;
    exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;
    exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;
    exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;
    exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;
    exports.IsWritableStream = writableStream.IsWritableStream;
    exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;
    exports.WritableStream = writableStream.WritableStream;
    exports.WritableStreamAbort = writableStream.WritableStreamAbort;
    exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;
    exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;
    exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;
    exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;
  }, function (module, exports, __w_pdfjs_require__) {
    "use strict";
  
    var _createClass = function () {
      function defineProperties(target, props) {
        for (var i = 0; i < props.length; i++) {
          var descriptor = props[i];
          descriptor.enumerable = descriptor.enumerable || false;
          descriptor.configurable = true;
          if ("value" in descriptor) descriptor.writable = true;
          Object.defineProperty(target, descriptor.key, descriptor);
        }
      }
      return function (Constructor, protoProps, staticProps) {
        if (protoProps) defineProperties(Constructor.prototype, protoProps);
        if (staticProps) defineProperties(Constructor, staticProps);
        return Constructor;
      };
    }();
    function _classCallCheck(instance, Constructor) {
      if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
      }
    }
    var _require = __w_pdfjs_require__(1),
        assert = _require.assert;
    var _require2 = __w_pdfjs_require__(0),
        InvokeOrNoop = _require2.InvokeOrNoop,
        PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,
        PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,
        typeIsObject = _require2.typeIsObject;
    var _require3 = __w_pdfjs_require__(4),
        ReadableStream = _require3.ReadableStream,
        ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,
        ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,
        ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,
        ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;
    var _require4 = __w_pdfjs_require__(2),
        WritableStream = _require4.WritableStream,
        WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;
    function TransformStreamCloseReadable(transformStream) {
      if (transformStream._errored === true) {
        throw new TypeError('TransformStream is already errored');
      }
      if (transformStream._readableClosed === true) {
        throw new TypeError('Readable side is already closed');
      }
      TransformStreamCloseReadableInternal(transformStream);
    }
    function TransformStreamEnqueueToReadable(transformStream, chunk) {
      if (transformStream._errored === true) {
        throw new TypeError('TransformStream is already errored');
      }
      if (transformStream._readableClosed === true) {
        throw new TypeError('Readable side is already closed');
      }
      var controller = transformStream._readableController;
      try {
        ReadableStreamDefaultControllerEnqueue(controller, chunk);
      } catch (e) {
        transformStream._readableClosed = true;
        TransformStreamErrorIfNeeded(transformStream, e);
        throw transformStream._storedError;
      }
      var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
      var maybeBackpressure = desiredSize <= 0;
      if (maybeBackpressure === true && transformStream._backpressure === false) {
        TransformStreamSetBackpressure(transformStream, true);
      }
    }
    function TransformStreamError(transformStream, e) {
      if (transformStream._errored === true) {
        throw new TypeError('TransformStream is already errored');
      }
      TransformStreamErrorInternal(transformStream, e);
    }
    function TransformStreamCloseReadableInternal(transformStream) {
      assert(transformStream._errored === false);
      assert(transformStream._readableClosed === false);
      try {
        ReadableStreamDefaultControllerClose(transformStream._readableController);
      } catch (e) {
        assert(false);
      }
      transformStream._readableClosed = true;
    }
    function TransformStreamErrorIfNeeded(transformStream, e) {
      if (transformStream._errored === false) {
        TransformStreamErrorInternal(transformStream, e);
      }
    }
    function TransformStreamErrorInternal(transformStream, e) {
      assert(transformStream._errored === false);
      transformStream._errored = true;
      transformStream._storedError = e;
      if (transformStream._writableDone === false) {
        WritableStreamDefaultControllerError(transformStream._writableController, e);
      }
      if (transformStream._readableClosed === false) {
        ReadableStreamDefaultControllerError(transformStream._readableController, e);
      }
    }
    function TransformStreamReadableReadyPromise(transformStream) {
      assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
      if (transformStream._backpressure === false) {
        return Promise.resolve();
      }
      assert(transformStream._backpressure === true, '_backpressure should have been initialized');
      return transformStream._backpressureChangePromise;
    }
    function TransformStreamSetBackpressure(transformStream, backpressure) {
      assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');
      if (transformStream._backpressureChangePromise !== undefined) {
        transformStream._backpressureChangePromise_resolve(backpressure);
      }
      transformStream._backpressureChangePromise = new Promise(function (resolve) {
        transformStream._backpressureChangePromise_resolve = resolve;
      });
      transformStream._backpressureChangePromise.then(function (resolution) {
        assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');
      });
      transformStream._backpressure = backpressure;
    }
    function TransformStreamDefaultTransform(chunk, transformStreamController) {
      var transformStream = transformStreamController._controlledTransformStream;
      TransformStreamEnqueueToReadable(transformStream, chunk);
      return Promise.resolve();
    }
    function TransformStreamTransform(transformStream, chunk) {
      assert(transformStream._errored === false);
      assert(transformStream._transforming === false);
      assert(transformStream._backpressure === false);
      transformStream._transforming = true;
      var transformer = transformStream._transformer;
      var controller = transformStream._transformStreamController;
      var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);
      return transformPromise.then(function () {
        transformStream._transforming = false;
        return TransformStreamReadableReadyPromise(transformStream);
      }, function (e) {
        TransformStreamErrorIfNeeded(transformStream, e);
        return Promise.reject(e);
      });
    }
    function IsTransformStreamDefaultController(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
        return false;
      }
      return true;
    }
    function IsTransformStream(x) {
      if (!typeIsObject(x)) {
        return false;
      }
      if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
        return false;
      }
      return true;
    }
    var TransformStreamSink = function () {
      function TransformStreamSink(transformStream, startPromise) {
        _classCallCheck(this, TransformStreamSink);
        this._transformStream = transformStream;
        this._startPromise = startPromise;
      }
      _createClass(TransformStreamSink, [{
        key: 'start',
        value: function start(c) {
          var transformStream = this._transformStream;
          transformStream._writableController = c;
          return this._startPromise.then(function () {
            return TransformStreamReadableReadyPromise(transformStream);
          });
        }
      }, {
        key: 'write',
        value: function write(chunk) {
          var transformStream = this._transformStream;
          return TransformStreamTransform(transformStream, chunk);
        }
      }, {
        key: 'abort',
        value: function abort() {
          var transformStream = this._transformStream;
          transformStream._writableDone = true;
          TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));
        }
      }, {
        key: 'close',
        value: function close() {
          var transformStream = this._transformStream;
          assert(transformStream._transforming === false);
          transformStream._writableDone = true;
          var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);
          return flushPromise.then(function () {
            if (transformStream._errored === true) {
              return Promise.reject(transformStream._storedError);
            }
            if (transformStream._readableClosed === false) {
              TransformStreamCloseReadableInternal(transformStream);
            }
            return Promise.resolve();
          }).catch(function (r) {
            TransformStreamErrorIfNeeded(transformStream, r);
            return Promise.reject(transformStream._storedError);
          });
        }
      }]);
      return TransformStreamSink;
    }();
    var TransformStreamSource = function () {
      function TransformStreamSource(transformStream, startPromise) {
        _classCallCheck(this, TransformStreamSource);
        this._transformStream = transformStream;
        this._startPromise = startPromise;
      }
      _createClass(TransformStreamSource, [{
        key: 'start',
        value: function start(c) {
          var transformStream = this._transformStream;
          transformStream._readableController = c;
          return this._startPromise.then(function () {
            assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
            if (transformStream._backpressure === true) {
              return Promise.resolve();
            }
            assert(transformStream._backpressure === false, '_backpressure should have been initialized');
            return transformStream._backpressureChangePromise;
          });
        }
      }, {
        key: 'pull',
        value: function pull() {
          var transformStream = this._transformStream;
          assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');
          assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
          TransformStreamSetBackpressure(transformStream, false);
          return transformStream._backpressureChangePromise;
        }
      }, {
        key: 'cancel',
        value: function cancel() {
          var transformStream = this._transformStream;
          transformStream._readableClosed = true;
          TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));
        }
      }]);
      return TransformStreamSource;
    }();
    var TransformStreamDefaultController = function () {
      function TransformStreamDefaultController(transformStream) {
        _classCallCheck(this, TransformStreamDefaultController);
        if (IsTransformStream(transformStream) === false) {
          throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');
        }
        if (transformStream._transformStreamController !== undefined) {
          throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');
        }
        this._controlledTransformStream = transformStream;
      }
      _createClass(TransformStreamDefaultController, [{
        key: 'enqueue',
        value: function enqueue(chunk) {
          if (IsTransformStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('enqueue');
          }
          TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);
        }
      }, {
        key: 'close',
        value: function close() {
          if (IsTransformStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('close');
          }
          TransformStreamCloseReadable(this._controlledTransformStream);
        }
      }, {
        key: 'error',
        value: function error(reason) {
          if (IsTransformStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('error');
          }
          TransformStreamError(this._controlledTransformStream, reason);
        }
      }, {
        key: 'desiredSize',
        get: function get() {
          if (IsTransformStreamDefaultController(this) === false) {
            throw defaultControllerBrandCheckException('desiredSize');
          }
          var transformStream = this._controlledTransformStream;
          var readableController = transformStream._readableController;
          return ReadableStreamDefaultControllerGetDesiredSize(readableController);
        }
      }]);
      return TransformStreamDefaultController;
    }();
    var TransformStream = function () {
      function TransformStream() {
        var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        _classCallCheck(this, TransformStream);
        this._transformer = transformer;
        var readableStrategy = transformer.readableStrategy,
            writableStrategy = transformer.writableStrategy;
        this._transforming = false;
        this._errored = false;
        this._storedError = undefined;
        this._writableController = undefined;
        this._readableController = undefined;
        this._transformStreamController = undefined;
        this._writableDone = false;
        this._readableClosed = false;
        this._backpressure = undefined;
        this._backpressureChangePromise = undefined;
        this._backpressureChangePromise_resolve = undefined;
        this._transformStreamController = new TransformStreamDefaultController(this);
        var startPromise_resolve = void 0;
        var startPromise = new Promise(function (resolve) {
          startPromise_resolve = resolve;
        });
        var source = new TransformStreamSource(this, startPromise);
        this._readable = new ReadableStream(source, readableStrategy);
        var sink = new TransformStreamSink(this, startPromise);
        this._writable = new WritableStream(sink, writableStrategy);
        assert(this._writableController !== undefined);
        assert(this._readableController !== undefined);
        var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);
        TransformStreamSetBackpressure(this, desiredSize <= 0);
        var transformStream = this;
        var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);
        startPromise_resolve(startResult);
        startPromise.catch(function (e) {
          if (transformStream._errored === false) {
            transformStream._errored = true;
            transformStream._storedError = e;
          }
        });
      }
      _createClass(TransformStream, [{
        key: 'readable',
        get: function get() {
          if (IsTransformStream(this) === false) {
            throw streamBrandCheckException('readable');
          }
          return this._readable;
        }
      }, {
        key: 'writable',
        get: function get() {
          if (IsTransformStream(this) === false) {
            throw streamBrandCheckException('writable');
          }
          return this._writable;
        }
      }]);
      return TransformStream;
    }();
    module.exports = { TransformStream: TransformStream };
    function defaultControllerBrandCheckException(name) {
      return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');
    }
    function streamBrandCheckException(name) {
      return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');
    }
  }, function (module, exports, __w_pdfjs_require__) {
    module.exports = __w_pdfjs_require__(5);
  }]));
  
  /***/ }),
  /* 120 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  {
    var isURLSupported = false;
    try {
      if (typeof URL === 'function' && _typeof(URL.prototype) === 'object' && 'origin' in URL.prototype) {
        var u = new URL('b', 'http://a');
        u.pathname = 'c%20d';
        isURLSupported = u.href === 'http://a/c%20d';
      }
    } catch (ex) {}
    if (isURLSupported) {
      exports.URL = URL;
    } else {
      var PolyfillURL = __w_pdfjs_require__(121).URL;
      var OriginalURL = __w_pdfjs_require__(3).URL;
      if (OriginalURL) {
        PolyfillURL.createObjectURL = function (blob) {
          return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
        };
        PolyfillURL.revokeObjectURL = function (url) {
          OriginalURL.revokeObjectURL(url);
        };
      }
      exports.URL = PolyfillURL;
    }
  }
  
  /***/ }),
  /* 121 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  (function URLConstructorClosure() {
    'use strict';
  
    var relative = Object.create(null);
    relative['ftp'] = 21;
    relative['file'] = 0;
    relative['gopher'] = 70;
    relative['http'] = 80;
    relative['https'] = 443;
    relative['ws'] = 80;
    relative['wss'] = 443;
    var relativePathDotMapping = Object.create(null);
    relativePathDotMapping['%2e'] = '.';
    relativePathDotMapping['.%2e'] = '..';
    relativePathDotMapping['%2e.'] = '..';
    relativePathDotMapping['%2e%2e'] = '..';
    function isRelativeScheme(scheme) {
      return relative[scheme] !== undefined;
    }
    function invalid() {
      clear.call(this);
      this._isInvalid = true;
    }
    function IDNAToASCII(h) {
      if (h === '') {
        invalid.call(this);
      }
      return h.toLowerCase();
    }
    function percentEscape(c) {
      var unicode = c.charCodeAt(0);
      if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) {
        return c;
      }
      return encodeURIComponent(c);
    }
    function percentEscapeQuery(c) {
      var unicode = c.charCodeAt(0);
      if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) {
        return c;
      }
      return encodeURIComponent(c);
    }
    var EOF,
        ALPHA = /[a-zA-Z]/,
        ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
    function parse(input, stateOverride, base) {
      function err(message) {
        errors.push(message);
      }
      var state = stateOverride || 'scheme start',
          cursor = 0,
          buffer = '',
          seenAt = false,
          seenBracket = false,
          errors = [];
      loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
        var c = input[cursor];
        switch (state) {
          case 'scheme start':
            if (c && ALPHA.test(c)) {
              buffer += c.toLowerCase();
              state = 'scheme';
            } else if (!stateOverride) {
              buffer = '';
              state = 'no scheme';
              continue;
            } else {
              err('Invalid scheme.');
              break loop;
            }
            break;
          case 'scheme':
            if (c && ALPHANUMERIC.test(c)) {
              buffer += c.toLowerCase();
            } else if (c === ':') {
              this._scheme = buffer;
              buffer = '';
              if (stateOverride) {
                break loop;
              }
              if (isRelativeScheme(this._scheme)) {
                this._isRelative = true;
              }
              if (this._scheme === 'file') {
                state = 'relative';
              } else if (this._isRelative && base && base._scheme === this._scheme) {
                state = 'relative or authority';
              } else if (this._isRelative) {
                state = 'authority first slash';
              } else {
                state = 'scheme data';
              }
            } else if (!stateOverride) {
              buffer = '';
              cursor = 0;
              state = 'no scheme';
              continue;
            } else if (c === EOF) {
              break loop;
            } else {
              err('Code point not allowed in scheme: ' + c);
              break loop;
            }
            break;
          case 'scheme data':
            if (c === '?') {
              this._query = '?';
              state = 'query';
            } else if (c === '#') {
              this._fragment = '#';
              state = 'fragment';
            } else {
              if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
                this._schemeData += percentEscape(c);
              }
            }
            break;
          case 'no scheme':
            if (!base || !isRelativeScheme(base._scheme)) {
              err('Missing scheme.');
              invalid.call(this);
            } else {
              state = 'relative';
              continue;
            }
            break;
          case 'relative or authority':
            if (c === '/' && input[cursor + 1] === '/') {
              state = 'authority ignore slashes';
            } else {
              err('Expected /, got: ' + c);
              state = 'relative';
              continue;
            }
            break;
          case 'relative':
            this._isRelative = true;
            if (this._scheme !== 'file') {
              this._scheme = base._scheme;
            }
            if (c === EOF) {
              this._host = base._host;
              this._port = base._port;
              this._path = base._path.slice();
              this._query = base._query;
              this._username = base._username;
              this._password = base._password;
              break loop;
            } else if (c === '/' || c === '\\') {
              if (c === '\\') {
                err('\\ is an invalid code point.');
              }
              state = 'relative slash';
            } else if (c === '?') {
              this._host = base._host;
              this._port = base._port;
              this._path = base._path.slice();
              this._query = '?';
              this._username = base._username;
              this._password = base._password;
              state = 'query';
            } else if (c === '#') {
              this._host = base._host;
              this._port = base._port;
              this._path = base._path.slice();
              this._query = base._query;
              this._fragment = '#';
              this._username = base._username;
              this._password = base._password;
              state = 'fragment';
            } else {
              var nextC = input[cursor + 1];
              var nextNextC = input[cursor + 2];
              if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') {
                this._host = base._host;
                this._port = base._port;
                this._username = base._username;
                this._password = base._password;
                this._path = base._path.slice();
                this._path.pop();
              }
              state = 'relative path';
              continue;
            }
            break;
          case 'relative slash':
            if (c === '/' || c === '\\') {
              if (c === '\\') {
                err('\\ is an invalid code point.');
              }
              if (this._scheme === 'file') {
                state = 'file host';
              } else {
                state = 'authority ignore slashes';
              }
            } else {
              if (this._scheme !== 'file') {
                this._host = base._host;
                this._port = base._port;
                this._username = base._username;
                this._password = base._password;
              }
              state = 'relative path';
              continue;
            }
            break;
          case 'authority first slash':
            if (c === '/') {
              state = 'authority second slash';
            } else {
              err('Expected \'/\', got: ' + c);
              state = 'authority ignore slashes';
              continue;
            }
            break;
          case 'authority second slash':
            state = 'authority ignore slashes';
            if (c !== '/') {
              err('Expected \'/\', got: ' + c);
              continue;
            }
            break;
          case 'authority ignore slashes':
            if (c !== '/' && c !== '\\') {
              state = 'authority';
              continue;
            } else {
              err('Expected authority, got: ' + c);
            }
            break;
          case 'authority':
            if (c === '@') {
              if (seenAt) {
                err('@ already seen.');
                buffer += '%40';
              }
              seenAt = true;
              for (var i = 0; i < buffer.length; i++) {
                var cp = buffer[i];
                if (cp === '\t' || cp === '\n' || cp === '\r') {
                  err('Invalid whitespace in authority.');
                  continue;
                }
                if (cp === ':' && this._password === null) {
                  this._password = '';
                  continue;
                }
                var tempC = percentEscape(cp);
                if (this._password !== null) {
                  this._password += tempC;
                } else {
                  this._username += tempC;
                }
              }
              buffer = '';
            } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
              cursor -= buffer.length;
              buffer = '';
              state = 'host';
              continue;
            } else {
              buffer += c;
            }
            break;
          case 'file host':
            if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
              if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
                state = 'relative path';
              } else if (buffer.length === 0) {
                state = 'relative path start';
              } else {
                this._host = IDNAToASCII.call(this, buffer);
                buffer = '';
                state = 'relative path start';
              }
              continue;
            } else if (c === '\t' || c === '\n' || c === '\r') {
              err('Invalid whitespace in file host.');
            } else {
              buffer += c;
            }
            break;
          case 'host':
          case 'hostname':
            if (c === ':' && !seenBracket) {
              this._host = IDNAToASCII.call(this, buffer);
              buffer = '';
              state = 'port';
              if (stateOverride === 'hostname') {
                break loop;
              }
            } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
              this._host = IDNAToASCII.call(this, buffer);
              buffer = '';
              state = 'relative path start';
              if (stateOverride) {
                break loop;
              }
              continue;
            } else if (c !== '\t' && c !== '\n' && c !== '\r') {
              if (c === '[') {
                seenBracket = true;
              } else if (c === ']') {
                seenBracket = false;
              }
              buffer += c;
            } else {
              err('Invalid code point in host/hostname: ' + c);
            }
            break;
          case 'port':
            if (/[0-9]/.test(c)) {
              buffer += c;
            } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
              if (buffer !== '') {
                var temp = parseInt(buffer, 10);
                if (temp !== relative[this._scheme]) {
                  this._port = temp + '';
                }
                buffer = '';
              }
              if (stateOverride) {
                break loop;
              }
              state = 'relative path start';
              continue;
            } else if (c === '\t' || c === '\n' || c === '\r') {
              err('Invalid code point in port: ' + c);
            } else {
              invalid.call(this);
            }
            break;
          case 'relative path start':
            if (c === '\\') {
              err('\'\\\' not allowed in path.');
            }
            state = 'relative path';
            if (c !== '/' && c !== '\\') {
              continue;
            }
            break;
          case 'relative path':
            if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
              if (c === '\\') {
                err('\\ not allowed in relative path.');
              }
              var tmp;
              if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
                buffer = tmp;
              }
              if (buffer === '..') {
                this._path.pop();
                if (c !== '/' && c !== '\\') {
                  this._path.push('');
                }
              } else if (buffer === '.' && c !== '/' && c !== '\\') {
                this._path.push('');
              } else if (buffer !== '.') {
                if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
                  buffer = buffer[0] + ':';
                }
                this._path.push(buffer);
              }
              buffer = '';
              if (c === '?') {
                this._query = '?';
                state = 'query';
              } else if (c === '#') {
                this._fragment = '#';
                state = 'fragment';
              }
            } else if (c !== '\t' && c !== '\n' && c !== '\r') {
              buffer += percentEscape(c);
            }
            break;
          case 'query':
            if (!stateOverride && c === '#') {
              this._fragment = '#';
              state = 'fragment';
            } else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
              this._query += percentEscapeQuery(c);
            }
            break;
          case 'fragment':
            if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
              this._fragment += c;
            }
            break;
        }
        cursor++;
      }
    }
    function clear() {
      this._scheme = '';
      this._schemeData = '';
      this._username = '';
      this._password = null;
      this._host = '';
      this._port = '';
      this._path = [];
      this._query = '';
      this._fragment = '';
      this._isInvalid = false;
      this._isRelative = false;
    }
    function JURL(url, base) {
      if (base !== undefined && !(base instanceof JURL)) {
        base = new JURL(String(base));
      }
      this._url = url;
      clear.call(this);
      var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
      parse.call(this, input, null, base);
    }
    JURL.prototype = {
      toString: function toString() {
        return this.href;
      },
  
      get href() {
        if (this._isInvalid) {
          return this._url;
        }
        var authority = '';
        if (this._username !== '' || this._password !== null) {
          authority = this._username + (this._password !== null ? ':' + this._password : '') + '@';
        }
        return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
      },
      set href(value) {
        clear.call(this);
        parse.call(this, value);
      },
      get protocol() {
        return this._scheme + ':';
      },
      set protocol(value) {
        if (this._isInvalid) {
          return;
        }
        parse.call(this, value + ':', 'scheme start');
      },
      get host() {
        return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
      },
      set host(value) {
        if (this._isInvalid || !this._isRelative) {
          return;
        }
        parse.call(this, value, 'host');
      },
      get hostname() {
        return this._host;
      },
      set hostname(value) {
        if (this._isInvalid || !this._isRelative) {
          return;
        }
        parse.call(this, value, 'hostname');
      },
      get port() {
        return this._port;
      },
      set port(value) {
        if (this._isInvalid || !this._isRelative) {
          return;
        }
        parse.call(this, value, 'port');
      },
      get pathname() {
        return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
      },
      set pathname(value) {
        if (this._isInvalid || !this._isRelative) {
          return;
        }
        this._path = [];
        parse.call(this, value, 'relative path start');
      },
      get search() {
        return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
      },
      set search(value) {
        if (this._isInvalid || !this._isRelative) {
          return;
        }
        this._query = '?';
        if (value[0] === '?') {
          value = value.slice(1);
        }
        parse.call(this, value, 'query');
      },
      get hash() {
        return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
      },
      set hash(value) {
        if (this._isInvalid) {
          return;
        }
        this._fragment = '#';
        if (value[0] === '#') {
          value = value.slice(1);
        }
        parse.call(this, value, 'fragment');
      },
      get origin() {
        var host;
        if (this._isInvalid || !this._scheme) {
          return '';
        }
        switch (this._scheme) {
          case 'data':
          case 'file':
          case 'javascript':
          case 'mailto':
            return 'null';
          case 'blob':
            try {
              return new JURL(this._schemeData).origin || 'null';
            } catch (_) {}
            return 'null';
        }
        host = this.host;
        if (!host) {
          return '';
        }
        return this._scheme + '://' + host;
      }
    };
    exports.URL = JURL;
  })();
  
  /***/ }),
  /* 122 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.build = exports.version = exports.setPDFNetworkStreamFactory = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.getDocument = undefined;
  
  var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var _util = __w_pdfjs_require__(1);
  
  var _dom_utils = __w_pdfjs_require__(123);
  
  var _font_loader = __w_pdfjs_require__(124);
  
  var _api_compatibility = __w_pdfjs_require__(125);
  
  var _canvas = __w_pdfjs_require__(126);
  
  var _global_scope = __w_pdfjs_require__(3);
  
  var _global_scope2 = _interopRequireDefault(_global_scope);
  
  var _worker_options = __w_pdfjs_require__(128);
  
  var _message_handler = __w_pdfjs_require__(129);
  
  var _metadata = __w_pdfjs_require__(134);
  
  var _transport_stream = __w_pdfjs_require__(136);
  
  var _webgl = __w_pdfjs_require__(137);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var DEFAULT_RANGE_CHUNK_SIZE = 65536;
  var isWorkerDisabled = false;
  var workerSrc = void 0;
  var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
  var fakeWorkerFilesLoader = null;
  var useRequireEnsure = false;
  {
    if (typeof window === 'undefined') {
      isWorkerDisabled = true;
      if (typeof require.ensure === 'undefined') {
        require.ensure = require('node-ensure');
      }
      useRequireEnsure = true;
    } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
      useRequireEnsure = true;
    }
    if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
      workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
    }
    var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
    fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
      require.ensure([], function () {
        var worker;
        worker = require('./pdf.worker.js');
        callback(worker.WorkerMessageHandler);
      }, null, 'pdfjsWorker');
    } : dynamicLoaderSupported ? function (callback) {
      requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
        callback(worker.WorkerMessageHandler);
      });
    } : null;
  }
  var createPDFNetworkStream;
  function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
    createPDFNetworkStream = pdfNetworkStreamFactory;
  }
  function getDocument(src) {
    var task = new PDFDocumentLoadingTask();
    var source;
    if (typeof src === 'string') {
      source = { url: src };
    } else if ((0, _util.isArrayBuffer)(src)) {
      source = { data: src };
    } else if (src instanceof PDFDataRangeTransport) {
      source = { range: src };
    } else {
      if ((typeof src === 'undefined' ? 'undefined' : _typeof(src)) !== 'object') {
        throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object');
      }
      if (!src.url && !src.data && !src.range) {
        throw new Error('Invalid parameter object: need either .data, .range or .url');
      }
      source = src;
    }
    var params = Object.create(null);
    var rangeTransport = null;
    var worker = null;
    for (var key in source) {
      if (key === 'url' && typeof window !== 'undefined') {
        params[key] = new _util.URL(source[key], window.location).href;
        continue;
      } else if (key === 'range') {
        rangeTransport = source[key];
        continue;
      } else if (key === 'worker') {
        worker = source[key];
        continue;
      } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
        var pdfBytes = source[key];
        if (typeof pdfBytes === 'string') {
          params[key] = (0, _util.stringToBytes)(pdfBytes);
        } else if ((typeof pdfBytes === 'undefined' ? 'undefined' : _typeof(pdfBytes)) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
          params[key] = new Uint8Array(pdfBytes);
        } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
          params[key] = new Uint8Array(pdfBytes);
        } else {
          throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.');
        }
        continue;
      }
      params[key] = source[key];
    }
    params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
    params.CMapReaderFactory = params.CMapReaderFactory || _dom_utils.DOMCMapReaderFactory;
    params.ignoreErrors = params.stopAtErrors !== true;
    params.pdfBug = params.pdfBug === true;
    var NativeImageDecoderValues = Object.values(_util.NativeImageDecoding);
    if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {
      params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE;
    }
    if (!Number.isInteger(params.maxImageSize)) {
      params.maxImageSize = -1;
    }
    if (typeof params.isEvalSupported !== 'boolean') {
      params.isEvalSupported = true;
    }
    if (typeof params.disableFontFace !== 'boolean') {
      params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
    }
    if (typeof params.disableRange !== 'boolean') {
      params.disableRange = false;
    }
    if (typeof params.disableStream !== 'boolean') {
      params.disableStream = false;
    }
    if (typeof params.disableAutoFetch !== 'boolean') {
      params.disableAutoFetch = false;
    }
    if (typeof params.disableCreateObjectURL !== 'boolean') {
      params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false;
    }
    (0, _util.setVerbosityLevel)(params.verbosity);
    if (!worker) {
      var workerParams = {
        postMessageTransfers: params.postMessageTransfers,
        verbosity: params.verbosity
      };
      var workerPort = _worker_options.GlobalWorkerOptions.workerPort;
      if (workerPort) {
        workerParams.port = workerPort;
        worker = PDFWorker.fromPort(workerParams);
      } else {
        worker = new PDFWorker(workerParams);
      }
      task._worker = worker;
    }
    var docId = task.docId;
    worker.promise.then(function () {
      if (task.destroyed) {
        throw new Error('Loading aborted');
      }
      return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
        if (task.destroyed) {
          throw new Error('Loading aborted');
        }
        var networkStream = void 0;
        if (rangeTransport) {
          networkStream = new _transport_stream.PDFDataTransportStream({
            length: params.length,
            initialData: params.initialData,
            disableRange: params.disableRange,
            disableStream: params.disableStream
          }, rangeTransport);
        } else if (!params.data) {
          networkStream = createPDFNetworkStream({
            url: params.url,
            length: params.length,
            httpHeaders: params.httpHeaders,
            withCredentials: params.withCredentials,
            rangeChunkSize: params.rangeChunkSize,
            disableRange: params.disableRange,
            disableStream: params.disableStream
          });
        }
        var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
        messageHandler.postMessageTransfers = worker.postMessageTransfers;
        var transport = new WorkerTransport(messageHandler, task, networkStream, params);
        task._transport = transport;
        messageHandler.send('Ready', null);
      });
    }).catch(task._capability.reject);
    return task;
  }
  function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
    if (worker.destroyed) {
      return Promise.reject(new Error('Worker was destroyed'));
    }
    if (pdfDataRangeTransport) {
      source.length = pdfDataRangeTransport.length;
      source.initialData = pdfDataRangeTransport.initialData;
    }
    return worker.messageHandler.sendWithPromise('GetDocRequest', {
      docId: docId,
      apiVersion: '2.0.873',
      source: {
        data: source.data,
        url: source.url,
        password: source.password,
        disableAutoFetch: source.disableAutoFetch,
        rangeChunkSize: source.rangeChunkSize,
        length: source.length
      },
      maxImageSize: source.maxImageSize,
      disableFontFace: source.disableFontFace,
      disableCreateObjectURL: source.disableCreateObjectURL,
      postMessageTransfers: worker.postMessageTransfers,
      docBaseUrl: source.docBaseUrl,
      nativeImageDecoderSupport: source.nativeImageDecoderSupport,
      ignoreErrors: source.ignoreErrors,
      isEvalSupported: source.isEvalSupported
    }).then(function (workerId) {
      if (worker.destroyed) {
        throw new Error('Worker was destroyed');
      }
      return workerId;
    });
  }
  var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
    var nextDocumentId = 0;
    function PDFDocumentLoadingTask() {
      this._capability = (0, _util.createPromiseCapability)();
      this._transport = null;
      this._worker = null;
      this.docId = 'd' + nextDocumentId++;
      this.destroyed = false;
      this.onPassword = null;
      this.onProgress = null;
      this.onUnsupportedFeature = null;
    }
    PDFDocumentLoadingTask.prototype = {
      get promise() {
        return this._capability.promise;
      },
      destroy: function destroy() {
        var _this = this;
  
        this.destroyed = true;
        var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
        return transportDestroyed.then(function () {
          _this._transport = null;
          if (_this._worker) {
            _this._worker.destroy();
            _this._worker = null;
          }
        });
      },
  
      then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
        return this.promise.then.apply(this.promise, arguments);
      }
    };
    return PDFDocumentLoadingTask;
  }();
  var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
    function PDFDataRangeTransport(length, initialData) {
      this.length = length;
      this.initialData = initialData;
      this._rangeListeners = [];
      this._progressListeners = [];
      this._progressiveReadListeners = [];
      this._readyCapability = (0, _util.createPromiseCapability)();
    }
    PDFDataRangeTransport.prototype = {
      addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
        this._rangeListeners.push(listener);
      },
      addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
        this._progressListeners.push(listener);
      },
      addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
        this._progressiveReadListeners.push(listener);
      },
      onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
        var listeners = this._rangeListeners;
        for (var i = 0, n = listeners.length; i < n; ++i) {
          listeners[i](begin, chunk);
        }
      },
      onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
        var _this2 = this;
  
        this._readyCapability.promise.then(function () {
          var listeners = _this2._progressListeners;
          for (var i = 0, n = listeners.length; i < n; ++i) {
            listeners[i](loaded);
          }
        });
      },
      onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
        var _this3 = this;
  
        this._readyCapability.promise.then(function () {
          var listeners = _this3._progressiveReadListeners;
          for (var i = 0, n = listeners.length; i < n; ++i) {
            listeners[i](chunk);
          }
        });
      },
      transportReady: function PDFDataRangeTransport_transportReady() {
        this._readyCapability.resolve();
      },
      requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
        (0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange');
      },
      abort: function PDFDataRangeTransport_abort() {}
    };
    return PDFDataRangeTransport;
  }();
  
  var PDFDocumentProxy = function () {
    function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
      _classCallCheck(this, PDFDocumentProxy);
  
      this.loadingTask = loadingTask;
      this._pdfInfo = pdfInfo;
      this._transport = transport;
    }
  
    _createClass(PDFDocumentProxy, [{
      key: 'getPage',
      value: function getPage(pageNumber) {
        return this._transport.getPage(pageNumber);
      }
    }, {
      key: 'getPageIndex',
      value: function getPageIndex(ref) {
        return this._transport.getPageIndex(ref);
      }
    }, {
      key: 'getDestinations',
      value: function getDestinations() {
        return this._transport.getDestinations();
      }
    }, {
      key: 'getDestination',
      value: function getDestination(id) {
        return this._transport.getDestination(id);
      }
    }, {
      key: 'getPageLabels',
      value: function getPageLabels() {
        return this._transport.getPageLabels();
      }
    }, {
      key: 'getPageMode',
      value: function getPageMode() {
        return this._transport.getPageMode();
      }
    }, {
      key: 'getAttachments',
      value: function getAttachments() {
        return this._transport.getAttachments();
      }
    }, {
      key: 'getJavaScript',
      value: function getJavaScript() {
        return this._transport.getJavaScript();
      }
    }, {
      key: 'getOutline',
      value: function getOutline() {
        return this._transport.getOutline();
      }
    }, {
      key: 'getPermissions',
      value: function getPermissions() {
        return this._transport.getPermissions();
      }
    }, {
      key: 'getMetadata',
      value: function getMetadata() {
        return this._transport.getMetadata();
      }
    }, {
      key: 'getData',
      value: function getData() {
        return this._transport.getData();
      }
    }, {
      key: 'getDownloadInfo',
      value: function getDownloadInfo() {
        return this._transport.downloadInfoCapability.promise;
      }
    }, {
      key: 'getStats',
      value: function getStats() {
        return this._transport.getStats();
      }
    }, {
      key: 'cleanup',
      value: function cleanup() {
        this._transport.startCleanup();
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        return this.loadingTask.destroy();
      }
    }, {
      key: 'numPages',
      get: function get() {
        return this._pdfInfo.numPages;
      }
    }, {
      key: 'fingerprint',
      get: function get() {
        return this._pdfInfo.fingerprint;
      }
    }, {
      key: 'loadingParams',
      get: function get() {
        return this._transport.loadingParams;
      }
    }]);
  
    return PDFDocumentProxy;
  }();
  
  var PDFPageProxy = function PDFPageProxyClosure() {
    function PDFPageProxy(pageIndex, pageInfo, transport) {
      var pdfBug = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
      this.pageIndex = pageIndex;
      this._pageInfo = pageInfo;
      this.transport = transport;
      this._stats = pdfBug ? new _dom_utils.StatTimer() : _dom_utils.DummyStatTimer;
      this._pdfBug = pdfBug;
      this.commonObjs = transport.commonObjs;
      this.objs = new PDFObjects();
      this.cleanupAfterRender = false;
      this.pendingCleanup = false;
      this.intentStates = Object.create(null);
      this.destroyed = false;
    }
    PDFPageProxy.prototype = {
      get pageNumber() {
        return this.pageIndex + 1;
      },
      get rotate() {
        return this._pageInfo.rotate;
      },
      get ref() {
        return this._pageInfo.ref;
      },
      get userUnit() {
        return this._pageInfo.userUnit;
      },
      get view() {
        return this._pageInfo.view;
      },
      getViewport: function getViewport(scale) {
        var rotate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.rotate;
        var dontFlip = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
        return new _dom_utils.PageViewport({
          viewBox: this.view,
          scale: scale,
          rotation: rotate,
          dontFlip: dontFlip
        });
      },
  
      getAnnotations: function PDFPageProxy_getAnnotations(params) {
        var intent = params && params.intent || null;
        if (!this.annotationsPromise || this.annotationsIntent !== intent) {
          this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
          this.annotationsIntent = intent;
        }
        return this.annotationsPromise;
      },
      render: function PDFPageProxy_render(params) {
        var _this4 = this;
  
        var stats = this._stats;
        stats.time('Overall');
        this.pendingCleanup = false;
        var renderingIntent = params.intent === 'print' ? 'print' : 'display';
        var canvasFactory = params.canvasFactory || new _dom_utils.DOMCanvasFactory();
        var webGLContext = new _webgl.WebGLContext({ enable: params.enableWebGL });
        if (!this.intentStates[renderingIntent]) {
          this.intentStates[renderingIntent] = Object.create(null);
        }
        var intentState = this.intentStates[renderingIntent];
        if (!intentState.displayReadyCapability) {
          intentState.receivingOperatorList = true;
          intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
          intentState.operatorList = {
            fnArray: [],
            argsArray: [],
            lastChunk: false
          };
          stats.time('Page Request');
          this.transport.messageHandler.send('RenderPageRequest', {
            pageIndex: this.pageNumber - 1,
            intent: renderingIntent,
            renderInteractiveForms: params.renderInteractiveForms === true
          });
        }
        var complete = function complete(error) {
          var i = intentState.renderTasks.indexOf(internalRenderTask);
          if (i >= 0) {
            intentState.renderTasks.splice(i, 1);
          }
          if (_this4.cleanupAfterRender) {
            _this4.pendingCleanup = true;
          }
          _this4._tryCleanup();
          if (error) {
            internalRenderTask.capability.reject(error);
          } else {
            internalRenderTask.capability.resolve();
          }
          stats.timeEnd('Rendering');
          stats.timeEnd('Overall');
        };
        var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber, canvasFactory, webGLContext, this._pdfBug);
        internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
        if (!intentState.renderTasks) {
          intentState.renderTasks = [];
        }
        intentState.renderTasks.push(internalRenderTask);
        var renderTask = internalRenderTask.task;
        intentState.displayReadyCapability.promise.then(function (transparency) {
          if (_this4.pendingCleanup) {
            complete();
            return;
          }
          stats.time('Rendering');
          internalRenderTask.initializeGraphics(transparency);
          internalRenderTask.operatorListChanged();
        }).catch(complete);
        return renderTask;
      },
      getOperatorList: function PDFPageProxy_getOperatorList() {
        function operatorListChanged() {
          if (intentState.operatorList.lastChunk) {
            intentState.opListReadCapability.resolve(intentState.operatorList);
            var i = intentState.renderTasks.indexOf(opListTask);
            if (i >= 0) {
              intentState.renderTasks.splice(i, 1);
            }
          }
        }
        var renderingIntent = 'oplist';
        if (!this.intentStates[renderingIntent]) {
          this.intentStates[renderingIntent] = Object.create(null);
        }
        var intentState = this.intentStates[renderingIntent];
        var opListTask;
        if (!intentState.opListReadCapability) {
          opListTask = {};
          opListTask.operatorListChanged = operatorListChanged;
          intentState.receivingOperatorList = true;
          intentState.opListReadCapability = (0, _util.createPromiseCapability)();
          intentState.renderTasks = [];
          intentState.renderTasks.push(opListTask);
          intentState.operatorList = {
            fnArray: [],
            argsArray: [],
            lastChunk: false
          };
          this._stats.time('Page Request');
          this.transport.messageHandler.send('RenderPageRequest', {
            pageIndex: this.pageIndex,
            intent: renderingIntent
          });
        }
        return intentState.opListReadCapability.promise;
      },
      streamTextContent: function streamTextContent() {
        var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  
        var TEXT_CONTENT_CHUNK_SIZE = 100;
        return this.transport.messageHandler.sendWithStream('GetTextContent', {
          pageIndex: this.pageNumber - 1,
          normalizeWhitespace: params.normalizeWhitespace === true,
          combineTextItems: params.disableCombineTextItems !== true
        }, {
          highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
          size: function size(textContent) {
            return textContent.items.length;
          }
        });
      },
  
      getTextContent: function PDFPageProxy_getTextContent(params) {
        params = params || {};
        var readableStream = this.streamTextContent(params);
        return new Promise(function (resolve, reject) {
          function pump() {
            reader.read().then(function (_ref) {
              var _textContent$items;
  
              var value = _ref.value,
                  done = _ref.done;
  
              if (done) {
                resolve(textContent);
                return;
              }
              Object.assign(textContent.styles, value.styles);
              (_textContent$items = textContent.items).push.apply(_textContent$items, _toConsumableArray(value.items));
              pump();
            }, reject);
          }
          var reader = readableStream.getReader();
          var textContent = {
            items: [],
            styles: Object.create(null)
          };
          pump();
        });
      },
      _destroy: function PDFPageProxy_destroy() {
        this.destroyed = true;
        this.transport.pageCache[this.pageIndex] = null;
        var waitOn = [];
        Object.keys(this.intentStates).forEach(function (intent) {
          if (intent === 'oplist') {
            return;
          }
          var intentState = this.intentStates[intent];
          intentState.renderTasks.forEach(function (renderTask) {
            var renderCompleted = renderTask.capability.promise.catch(function () {});
            waitOn.push(renderCompleted);
            renderTask.cancel();
          });
        }, this);
        this.objs.clear();
        this.annotationsPromise = null;
        this.pendingCleanup = false;
        return Promise.all(waitOn);
      },
      cleanup: function cleanup() {
        var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        this.pendingCleanup = true;
        this._tryCleanup(resetStats);
      },
      _tryCleanup: function _tryCleanup() {
        var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
          var intentState = this.intentStates[intent];
          return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
        }, this)) {
          return;
        }
        Object.keys(this.intentStates).forEach(function (intent) {
          delete this.intentStates[intent];
        }, this);
        this.objs.clear();
        this.annotationsPromise = null;
        if (resetStats && this._stats instanceof _dom_utils.StatTimer) {
          this._stats = new _dom_utils.StatTimer();
        }
        this.pendingCleanup = false;
      },
  
      _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
        var intentState = this.intentStates[intent];
        if (intentState.displayReadyCapability) {
          intentState.displayReadyCapability.resolve(transparency);
        }
      },
      _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
        var intentState = this.intentStates[intent];
        var i, ii;
        for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
          intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
          intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
        }
        intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
        for (i = 0; i < intentState.renderTasks.length; i++) {
          intentState.renderTasks[i].operatorListChanged();
        }
        if (operatorListChunk.lastChunk) {
          intentState.receivingOperatorList = false;
          this._tryCleanup();
        }
      },
      get stats() {
        return this._stats instanceof _dom_utils.StatTimer ? this._stats : null;
      }
    };
    return PDFPageProxy;
  }();
  
  var LoopbackPort = function () {
    function LoopbackPort() {
      var defer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
  
      _classCallCheck(this, LoopbackPort);
  
      this._listeners = [];
      this._defer = defer;
      this._deferred = Promise.resolve(undefined);
    }
  
    _createClass(LoopbackPort, [{
      key: 'postMessage',
      value: function postMessage(obj, transfers) {
        var _this5 = this;
  
        function cloneValue(value) {
          if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) !== 'object' || value === null) {
            return value;
          }
          if (cloned.has(value)) {
            return cloned.get(value);
          }
          var result;
          var buffer;
          if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
            var transferable = transfers && transfers.includes(buffer);
            if (value === buffer) {
              result = value;
            } else if (transferable) {
              result = new value.constructor(buffer, value.byteOffset, value.byteLength);
            } else {
              result = new value.constructor(value);
            }
            cloned.set(value, result);
            return result;
          }
          result = Array.isArray(value) ? [] : {};
          cloned.set(value, result);
          for (var i in value) {
            var desc,
                p = value;
            while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
              p = Object.getPrototypeOf(p);
            }
            if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
              continue;
            }
            result[i] = cloneValue(desc.value);
          }
          return result;
        }
        if (!this._defer) {
          this._listeners.forEach(function (listener) {
            listener.call(this, { data: obj });
          }, this);
          return;
        }
        var cloned = new WeakMap();
        var e = { data: cloneValue(obj) };
        this._deferred.then(function () {
          _this5._listeners.forEach(function (listener) {
            listener.call(this, e);
          }, _this5);
        });
      }
    }, {
      key: 'addEventListener',
      value: function addEventListener(name, listener) {
        this._listeners.push(listener);
      }
    }, {
      key: 'removeEventListener',
      value: function removeEventListener(name, listener) {
        var i = this._listeners.indexOf(listener);
        this._listeners.splice(i, 1);
      }
    }, {
      key: 'terminate',
      value: function terminate() {
        this._listeners = [];
      }
    }]);
  
    return LoopbackPort;
  }();
  
  var PDFWorker = function PDFWorkerClosure() {
    var nextFakeWorkerId = 0;
    function getWorkerSrc() {
      if (_worker_options.GlobalWorkerOptions.workerSrc) {
        return _worker_options.GlobalWorkerOptions.workerSrc;
      }
      if (typeof workerSrc !== 'undefined') {
        return workerSrc;
      }
      if (pdfjsFilePath) {
        return pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2');
      }
      throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
    }
    function getMainThreadWorkerMessageHandler() {
      if (typeof window === 'undefined') {
        return null;
      }
      return window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler;
    }
    var fakeWorkerFilesLoadedCapability = void 0;
    function setupFakeWorkerGlobal() {
      if (fakeWorkerFilesLoadedCapability) {
        return fakeWorkerFilesLoadedCapability.promise;
      }
      fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
      var mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
      if (mainWorkerMessageHandler) {
        fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler);
        return fakeWorkerFilesLoadedCapability.promise;
      }
      var loader = fakeWorkerFilesLoader || function (callback) {
        (0, _dom_utils.loadScript)(getWorkerSrc()).then(function () {
          callback(window.pdfjsWorker.WorkerMessageHandler);
        });
      };
      loader(fakeWorkerFilesLoadedCapability.resolve);
      return fakeWorkerFilesLoadedCapability.promise;
    }
    function createCDNWrapper(url) {
      var wrapper = 'importScripts(\'' + url + '\');';
      return _util.URL.createObjectURL(new Blob([wrapper]));
    }
    var pdfWorkerPorts = new WeakMap();
    function PDFWorker() {
      var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
          _ref2$name = _ref2.name,
          name = _ref2$name === undefined ? null : _ref2$name,
          _ref2$port = _ref2.port,
          port = _ref2$port === undefined ? null : _ref2$port,
          _ref2$postMessageTran = _ref2.postMessageTransfers,
          postMessageTransfers = _ref2$postMessageTran === undefined ? true : _ref2$postMessageTran,
          _ref2$verbosity = _ref2.verbosity,
          verbosity = _ref2$verbosity === undefined ? (0, _util.getVerbosityLevel)() : _ref2$verbosity;
  
      if (port && pdfWorkerPorts.has(port)) {
        throw new Error('Cannot use more than one PDFWorker per port');
      }
      this.name = name;
      this.destroyed = false;
      this.postMessageTransfers = postMessageTransfers !== false;
      this.verbosity = verbosity;
      this._readyCapability = (0, _util.createPromiseCapability)();
      this._port = null;
      this._webWorker = null;
      this._messageHandler = null;
      if (port) {
        pdfWorkerPorts.set(port, this);
        this._initializeFromPort(port);
        return;
      }
      this._initialize();
    }
    PDFWorker.prototype = {
      get promise() {
        return this._readyCapability.promise;
      },
      get port() {
        return this._port;
      },
      get messageHandler() {
        return this._messageHandler;
      },
      _initializeFromPort: function PDFWorker_initializeFromPort(port) {
        this._port = port;
        this._messageHandler = new _message_handler.MessageHandler('main', 'worker', port);
        this._messageHandler.on('ready', function () {});
        this._readyCapability.resolve();
      },
      _initialize: function PDFWorker_initialize() {
        var _this6 = this;
  
        if (typeof Worker !== 'undefined' && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
          var workerSrc = getWorkerSrc();
          try {
            if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
              workerSrc = createCDNWrapper(new _util.URL(workerSrc, window.location).href);
            }
            var worker = new Worker(workerSrc);
            var messageHandler = new _message_handler.MessageHandler('main', 'worker', worker);
            var terminateEarly = function terminateEarly() {
              worker.removeEventListener('error', onWorkerError);
              messageHandler.destroy();
              worker.terminate();
              if (_this6.destroyed) {
                _this6._readyCapability.reject(new Error('Worker was destroyed'));
              } else {
                _this6._setupFakeWorker();
              }
            };
            var onWorkerError = function onWorkerError() {
              if (!_this6._webWorker) {
                terminateEarly();
              }
            };
            worker.addEventListener('error', onWorkerError);
            messageHandler.on('test', function (data) {
              worker.removeEventListener('error', onWorkerError);
              if (_this6.destroyed) {
                terminateEarly();
                return;
              }
              if (data && data.supportTypedArray) {
                _this6._messageHandler = messageHandler;
                _this6._port = worker;
                _this6._webWorker = worker;
                if (!data.supportTransfers) {
                  _this6.postMessageTransfers = false;
                }
                _this6._readyCapability.resolve();
                messageHandler.send('configure', { verbosity: _this6.verbosity });
              } else {
                _this6._setupFakeWorker();
                messageHandler.destroy();
                worker.terminate();
              }
            });
            messageHandler.on('ready', function (data) {
              worker.removeEventListener('error', onWorkerError);
              if (_this6.destroyed) {
                terminateEarly();
                return;
              }
              try {
                sendTest();
              } catch (e) {
                _this6._setupFakeWorker();
              }
            });
            var sendTest = function sendTest() {
              var testObj = new Uint8Array([_this6.postMessageTransfers ? 255 : 0]);
              try {
                messageHandler.send('test', testObj, [testObj.buffer]);
              } catch (ex) {
                (0, _util.info)('Cannot use postMessage transfers');
                testObj[0] = 0;
                messageHandler.send('test', testObj);
              }
            };
            sendTest();
            return;
          } catch (e) {
            (0, _util.info)('The worker has been disabled.');
          }
        }
        this._setupFakeWorker();
      },
      _setupFakeWorker: function PDFWorker_setupFakeWorker() {
        var _this7 = this;
  
        if (!isWorkerDisabled) {
          (0, _util.warn)('Setting up fake worker.');
          isWorkerDisabled = true;
        }
        setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
          if (_this7.destroyed) {
            _this7._readyCapability.reject(new Error('Worker was destroyed'));
            return;
          }
          var port = new LoopbackPort();
          _this7._port = port;
          var id = 'fake' + nextFakeWorkerId++;
          var workerHandler = new _message_handler.MessageHandler(id + '_worker', id, port);
          WorkerMessageHandler.setup(workerHandler, port);
          var messageHandler = new _message_handler.MessageHandler(id, id + '_worker', port);
          _this7._messageHandler = messageHandler;
          _this7._readyCapability.resolve();
        });
      },
      destroy: function PDFWorker_destroy() {
        this.destroyed = true;
        if (this._webWorker) {
          this._webWorker.terminate();
          this._webWorker = null;
        }
        pdfWorkerPorts.delete(this._port);
        this._port = null;
        if (this._messageHandler) {
          this._messageHandler.destroy();
          this._messageHandler = null;
        }
      }
    };
    PDFWorker.fromPort = function (params) {
      if (!params || !params.port) {
        throw new Error('PDFWorker.fromPort - invalid method signature.');
      }
      if (pdfWorkerPorts.has(params.port)) {
        return pdfWorkerPorts.get(params.port);
      }
      return new PDFWorker(params);
    };
    PDFWorker.getWorkerSrc = function () {
      return getWorkerSrc();
    };
    return PDFWorker;
  }();
  
  var WorkerTransport = function () {
    function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
      _classCallCheck(this, WorkerTransport);
  
      this.messageHandler = messageHandler;
      this.loadingTask = loadingTask;
      this.commonObjs = new PDFObjects();
      this.fontLoader = new _font_loader.FontLoader(loadingTask.docId);
      this._params = params;
      this.CMapReaderFactory = new params.CMapReaderFactory({
        baseUrl: params.cMapUrl,
        isCompressed: params.cMapPacked
      });
      this.destroyed = false;
      this.destroyCapability = null;
      this._passwordCapability = null;
      this._networkStream = networkStream;
      this._fullReader = null;
      this._lastProgress = null;
      this.pageCache = [];
      this.pagePromises = [];
      this.downloadInfoCapability = (0, _util.createPromiseCapability)();
      this.setupMessageHandler();
    }
  
    _createClass(WorkerTransport, [{
      key: 'destroy',
      value: function destroy() {
        var _this8 = this;
  
        if (this.destroyCapability) {
          return this.destroyCapability.promise;
        }
        this.destroyed = true;
        this.destroyCapability = (0, _util.createPromiseCapability)();
        if (this._passwordCapability) {
          this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
        }
        var waitOn = [];
        this.pageCache.forEach(function (page) {
          if (page) {
            waitOn.push(page._destroy());
          }
        });
        this.pageCache = [];
        this.pagePromises = [];
        var terminated = this.messageHandler.sendWithPromise('Terminate', null);
        waitOn.push(terminated);
        Promise.all(waitOn).then(function () {
          _this8.fontLoader.clear();
          if (_this8._networkStream) {
            _this8._networkStream.cancelAllRequests();
          }
          if (_this8.messageHandler) {
            _this8.messageHandler.destroy();
            _this8.messageHandler = null;
          }
          _this8.destroyCapability.resolve();
        }, this.destroyCapability.reject);
        return this.destroyCapability.promise;
      }
    }, {
      key: 'setupMessageHandler',
      value: function setupMessageHandler() {
        var messageHandler = this.messageHandler,
            loadingTask = this.loadingTask;
  
        messageHandler.on('GetReader', function (data, sink) {
          var _this9 = this;
  
          (0, _util.assert)(this._networkStream);
          this._fullReader = this._networkStream.getFullReader();
          this._fullReader.onProgress = function (evt) {
            _this9._lastProgress = {
              loaded: evt.loaded,
              total: evt.total
            };
          };
          sink.onPull = function () {
            _this9._fullReader.read().then(function (_ref3) {
              var value = _ref3.value,
                  done = _ref3.done;
  
              if (done) {
                sink.close();
                return;
              }
              (0, _util.assert)((0, _util.isArrayBuffer)(value));
              sink.enqueue(new Uint8Array(value), 1, [value]);
            }).catch(function (reason) {
              sink.error(reason);
            });
          };
          sink.onCancel = function (reason) {
            _this9._fullReader.cancel(reason);
          };
        }, this);
        messageHandler.on('ReaderHeadersReady', function (data) {
          var _this10 = this;
  
          var headersCapability = (0, _util.createPromiseCapability)();
          var fullReader = this._fullReader;
          fullReader.headersReady.then(function () {
            if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
              if (_this10._lastProgress) {
                if (loadingTask.onProgress) {
                  loadingTask.onProgress(_this10._lastProgress);
                }
              }
              fullReader.onProgress = function (evt) {
                if (loadingTask.onProgress) {
                  loadingTask.onProgress({
                    loaded: evt.loaded,
                    total: evt.total
                  });
                }
              };
            }
            headersCapability.resolve({
              isStreamingSupported: fullReader.isStreamingSupported,
              isRangeSupported: fullReader.isRangeSupported,
              contentLength: fullReader.contentLength
            });
          }, headersCapability.reject);
          return headersCapability.promise;
        }, this);
        messageHandler.on('GetRangeReader', function (data, sink) {
          (0, _util.assert)(this._networkStream);
          var rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
          sink.onPull = function () {
            rangeReader.read().then(function (_ref4) {
              var value = _ref4.value,
                  done = _ref4.done;
  
              if (done) {
                sink.close();
                return;
              }
              (0, _util.assert)((0, _util.isArrayBuffer)(value));
              sink.enqueue(new Uint8Array(value), 1, [value]);
            }).catch(function (reason) {
              sink.error(reason);
            });
          };
          sink.onCancel = function (reason) {
            rangeReader.cancel(reason);
          };
        }, this);
        messageHandler.on('GetDoc', function (_ref5) {
          var pdfInfo = _ref5.pdfInfo;
  
          this.numPages = pdfInfo.numPages;
          this.pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
          loadingTask._capability.resolve(this.pdfDocument);
        }, this);
        messageHandler.on('PasswordRequest', function (exception) {
          var _this11 = this;
  
          this._passwordCapability = (0, _util.createPromiseCapability)();
          if (loadingTask.onPassword) {
            var updatePassword = function updatePassword(password) {
              _this11._passwordCapability.resolve({ password: password });
            };
            try {
              loadingTask.onPassword(updatePassword, exception.code);
            } catch (ex) {
              this._passwordCapability.reject(ex);
            }
          } else {
            this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
          }
          return this._passwordCapability.promise;
        }, this);
        messageHandler.on('PasswordException', function (exception) {
          loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code));
        }, this);
        messageHandler.on('InvalidPDF', function (exception) {
          loadingTask._capability.reject(new _util.InvalidPDFException(exception.message));
        }, this);
        messageHandler.on('MissingPDF', function (exception) {
          loadingTask._capability.reject(new _util.MissingPDFException(exception.message));
        }, this);
        messageHandler.on('UnexpectedResponse', function (exception) {
          loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
        }, this);
        messageHandler.on('UnknownError', function (exception) {
          loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
        }, this);
        messageHandler.on('DataLoaded', function (data) {
          this.downloadInfoCapability.resolve(data);
        }, this);
        messageHandler.on('StartRenderPage', function (data) {
          if (this.destroyed) {
            return;
          }
          var page = this.pageCache[data.pageIndex];
          page._stats.timeEnd('Page Request');
          page._startRenderPage(data.transparency, data.intent);
        }, this);
        messageHandler.on('RenderPageChunk', function (data) {
          if (this.destroyed) {
            return;
          }
          var page = this.pageCache[data.pageIndex];
          page._renderPageChunk(data.operatorList, data.intent);
        }, this);
        messageHandler.on('commonobj', function (data) {
          var _this12 = this;
  
          if (this.destroyed) {
            return;
          }
  
          var _data = _slicedToArray(data, 3),
              id = _data[0],
              type = _data[1],
              exportedData = _data[2];
  
          if (this.commonObjs.hasData(id)) {
            return;
          }
          switch (type) {
            case 'Font':
              var params = this._params;
              if ('error' in exportedData) {
                var exportedError = exportedData.error;
                (0, _util.warn)('Error during font loading: ' + exportedError);
                this.commonObjs.resolve(id, exportedError);
                break;
              }
              var fontRegistry = null;
              if (params.pdfBug && _global_scope2.default.FontInspector && _global_scope2.default.FontInspector.enabled) {
                fontRegistry = {
                  registerFont: function registerFont(font, url) {
                    _global_scope2.default['FontInspector'].fontAdded(font, url);
                  }
                };
              }
              var font = new _font_loader.FontFaceObject(exportedData, {
                isEvalSupported: params.isEvalSupported,
                disableFontFace: params.disableFontFace,
                ignoreErrors: params.ignoreErrors,
                onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
                fontRegistry: fontRegistry
              });
              var fontReady = function fontReady(fontObjs) {
                _this12.commonObjs.resolve(id, font);
              };
              this.fontLoader.bind([font], fontReady);
              break;
            case 'FontPath':
              this.commonObjs.resolve(id, exportedData);
              break;
            default:
              throw new Error('Got unknown common object type ' + type);
          }
        }, this);
        messageHandler.on('obj', function (data) {
          if (this.destroyed) {
            return;
          }
  
          var _data2 = _slicedToArray(data, 4),
              id = _data2[0],
              pageIndex = _data2[1],
              type = _data2[2],
              imageData = _data2[3];
  
          var pageProxy = this.pageCache[pageIndex];
          if (pageProxy.objs.hasData(id)) {
            return;
          }
          switch (type) {
            case 'JpegStream':
              return new Promise(function (resolve, reject) {
                var img = new Image();
                img.onload = function () {
                  resolve(img);
                };
                img.onerror = function () {
                  reject(new Error('Error during JPEG image loading'));
                };
                img.src = imageData;
              }).then(function (img) {
                pageProxy.objs.resolve(id, img);
              });
            case 'Image':
              pageProxy.objs.resolve(id, imageData);
              var MAX_IMAGE_SIZE_TO_STORE = 8000000;
              if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
                pageProxy.cleanupAfterRender = true;
              }
              break;
            default:
              throw new Error('Got unknown object type ' + type);
          }
        }, this);
        messageHandler.on('DocProgress', function (data) {
          if (this.destroyed) {
            return;
          }
          if (loadingTask.onProgress) {
            loadingTask.onProgress({
              loaded: data.loaded,
              total: data.total
            });
          }
        }, this);
        messageHandler.on('PageError', function (data) {
          if (this.destroyed) {
            return;
          }
          var page = this.pageCache[data.pageNum - 1];
          var intentState = page.intentStates[data.intent];
          if (intentState.displayReadyCapability) {
            intentState.displayReadyCapability.reject(data.error);
          } else {
            throw new Error(data.error);
          }
          if (intentState.operatorList) {
            intentState.operatorList.lastChunk = true;
            for (var i = 0; i < intentState.renderTasks.length; i++) {
              intentState.renderTasks[i].operatorListChanged();
            }
          }
        }, this);
        messageHandler.on('UnsupportedFeature', this._onUnsupportedFeature, this);
        messageHandler.on('JpegDecode', function (data) {
          if (this.destroyed) {
            return Promise.reject(new Error('Worker was destroyed'));
          }
          if (typeof document === 'undefined') {
            return Promise.reject(new Error('"document" is not defined.'));
          }
  
          var _data3 = _slicedToArray(data, 2),
              imageUrl = _data3[0],
              components = _data3[1];
  
          if (components !== 3 && components !== 1) {
            return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
          }
          return new Promise(function (resolve, reject) {
            var img = new Image();
            img.onload = function () {
              var width = img.width;
              var height = img.height;
              var size = width * height;
              var rgbaLength = size * 4;
              var buf = new Uint8ClampedArray(size * components);
              var tmpCanvas = document.createElement('canvas');
              tmpCanvas.width = width;
              tmpCanvas.height = height;
              var tmpCtx = tmpCanvas.getContext('2d');
              tmpCtx.drawImage(img, 0, 0);
              var data = tmpCtx.getImageData(0, 0, width, height).data;
              if (components === 3) {
                for (var i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
                  buf[j] = data[i];
                  buf[j + 1] = data[i + 1];
                  buf[j + 2] = data[i + 2];
                }
              } else if (components === 1) {
                for (var _i = 0, _j = 0; _i < rgbaLength; _i += 4, _j++) {
                  buf[_j] = data[_i];
                }
              }
              resolve({
                data: buf,
                width: width,
                height: height
              });
            };
            img.onerror = function () {
              reject(new Error('JpegDecode failed to load image'));
            };
            img.src = imageUrl;
          });
        }, this);
        messageHandler.on('FetchBuiltInCMap', function (data) {
          if (this.destroyed) {
            return Promise.reject(new Error('Worker was destroyed'));
          }
          return this.CMapReaderFactory.fetch({ name: data.name });
        }, this);
      }
    }, {
      key: '_onUnsupportedFeature',
      value: function _onUnsupportedFeature(_ref6) {
        var featureId = _ref6.featureId;
  
        if (this.destroyed) {
          return;
        }
        if (this.loadingTask.onUnsupportedFeature) {
          this.loadingTask.onUnsupportedFeature(featureId);
        }
      }
    }, {
      key: 'getData',
      value: function getData() {
        return this.messageHandler.sendWithPromise('GetData', null);
      }
    }, {
      key: 'getPage',
      value: function getPage(pageNumber) {
        var _this13 = this;
  
        if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
          return Promise.reject(new Error('Invalid page request'));
        }
        var pageIndex = pageNumber - 1;
        if (pageIndex in this.pagePromises) {
          return this.pagePromises[pageIndex];
        }
        var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
          if (_this13.destroyed) {
            throw new Error('Transport destroyed');
          }
          var page = new PDFPageProxy(pageIndex, pageInfo, _this13, _this13._params.pdfBug);
          _this13.pageCache[pageIndex] = page;
          return page;
        });
        this.pagePromises[pageIndex] = promise;
        return promise;
      }
    }, {
      key: 'getPageIndex',
      value: function getPageIndex(ref) {
        return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
          return Promise.reject(new Error(reason));
        });
      }
    }, {
      key: 'getAnnotations',
      value: function getAnnotations(pageIndex, intent) {
        return this.messageHandler.sendWithPromise('GetAnnotations', {
          pageIndex: pageIndex,
          intent: intent
        });
      }
    }, {
      key: 'getDestinations',
      value: function getDestinations() {
        return this.messageHandler.sendWithPromise('GetDestinations', null);
      }
    }, {
      key: 'getDestination',
      value: function getDestination(id) {
        if (typeof id !== 'string') {
          return Promise.reject(new Error('Invalid destination request.'));
        }
        return this.messageHandler.sendWithPromise('GetDestination', { id: id });
      }
    }, {
      key: 'getPageLabels',
      value: function getPageLabels() {
        return this.messageHandler.sendWithPromise('GetPageLabels', null);
      }
    }, {
      key: 'getPageMode',
      value: function getPageMode() {
        return this.messageHandler.sendWithPromise('GetPageMode', null);
      }
    }, {
      key: 'getAttachments',
      value: function getAttachments() {
        return this.messageHandler.sendWithPromise('GetAttachments', null);
      }
    }, {
      key: 'getJavaScript',
      value: function getJavaScript() {
        return this.messageHandler.sendWithPromise('GetJavaScript', null);
      }
    }, {
      key: 'getOutline',
      value: function getOutline() {
        return this.messageHandler.sendWithPromise('GetOutline', null);
      }
    }, {
      key: 'getPermissions',
      value: function getPermissions() {
        return this.messageHandler.sendWithPromise('GetPermissions', null);
      }
    }, {
      key: 'getMetadata',
      value: function getMetadata() {
        var _this14 = this;
  
        return this.messageHandler.sendWithPromise('GetMetadata', null).then(function (results) {
          return {
            info: results[0],
            metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
            contentDispositionFilename: _this14._fullReader ? _this14._fullReader.filename : null
          };
        });
      }
    }, {
      key: 'getStats',
      value: function getStats() {
        return this.messageHandler.sendWithPromise('GetStats', null);
      }
    }, {
      key: 'startCleanup',
      value: function startCleanup() {
        var _this15 = this;
  
        this.messageHandler.sendWithPromise('Cleanup', null).then(function () {
          for (var i = 0, ii = _this15.pageCache.length; i < ii; i++) {
            var page = _this15.pageCache[i];
            if (page) {
              page.cleanup();
            }
          }
          _this15.commonObjs.clear();
          _this15.fontLoader.clear();
        });
      }
    }, {
      key: 'loadingParams',
      get: function get() {
        var params = this._params;
        return (0, _util.shadow)(this, 'loadingParams', {
          disableAutoFetch: params.disableAutoFetch,
          disableCreateObjectURL: params.disableCreateObjectURL,
          disableFontFace: params.disableFontFace,
          nativeImageDecoderSupport: params.nativeImageDecoderSupport
        });
      }
    }]);
  
    return WorkerTransport;
  }();
  
  var PDFObjects = function PDFObjectsClosure() {
    function PDFObjects() {
      this.objs = Object.create(null);
    }
    PDFObjects.prototype = {
      ensureObj: function PDFObjects_ensureObj(objId) {
        if (this.objs[objId]) {
          return this.objs[objId];
        }
        var obj = {
          capability: (0, _util.createPromiseCapability)(),
          data: null,
          resolved: false
        };
        this.objs[objId] = obj;
        return obj;
      },
      get: function PDFObjects_get(objId, callback) {
        if (callback) {
          this.ensureObj(objId).capability.promise.then(callback);
          return null;
        }
        var obj = this.objs[objId];
        if (!obj || !obj.resolved) {
          throw new Error('Requesting object that isn\'t resolved yet ' + objId);
        }
        return obj.data;
      },
      resolve: function PDFObjects_resolve(objId, data) {
        var obj = this.ensureObj(objId);
        obj.resolved = true;
        obj.data = data;
        obj.capability.resolve(data);
      },
      isResolved: function PDFObjects_isResolved(objId) {
        var objs = this.objs;
        if (!objs[objId]) {
          return false;
        }
        return objs[objId].resolved;
      },
      hasData: function PDFObjects_hasData(objId) {
        return this.isResolved(objId);
      },
      getData: function PDFObjects_getData(objId) {
        var objs = this.objs;
        if (!objs[objId] || !objs[objId].resolved) {
          return null;
        }
        return objs[objId].data;
      },
      clear: function PDFObjects_clear() {
        this.objs = Object.create(null);
      }
    };
    return PDFObjects;
  }();
  var RenderTask = function RenderTaskClosure() {
    function RenderTask(internalRenderTask) {
      this._internalRenderTask = internalRenderTask;
      this.onContinue = null;
    }
    RenderTask.prototype = {
      get promise() {
        return this._internalRenderTask.capability.promise;
      },
      cancel: function RenderTask_cancel() {
        this._internalRenderTask.cancel();
      },
      then: function RenderTask_then(onFulfilled, onRejected) {
        return this.promise.then.apply(this.promise, arguments);
      }
    };
    return RenderTask;
  }();
  var InternalRenderTask = function InternalRenderTaskClosure() {
    var canvasInRendering = new WeakMap();
    function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber, canvasFactory, webGLContext) {
      var pdfBug = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : false;
  
      this.callback = callback;
      this.params = params;
      this.objs = objs;
      this.commonObjs = commonObjs;
      this.operatorListIdx = null;
      this.operatorList = operatorList;
      this.pageNumber = pageNumber;
      this.canvasFactory = canvasFactory;
      this.webGLContext = webGLContext;
      this._pdfBug = pdfBug;
      this.running = false;
      this.graphicsReadyCallback = null;
      this.graphicsReady = false;
      this.useRequestAnimationFrame = false;
      this.cancelled = false;
      this.capability = (0, _util.createPromiseCapability)();
      this.task = new RenderTask(this);
      this._continueBound = this._continue.bind(this);
      this._scheduleNextBound = this._scheduleNext.bind(this);
      this._nextBound = this._next.bind(this);
      this._canvas = params.canvasContext.canvas;
    }
    InternalRenderTask.prototype = {
      initializeGraphics: function initializeGraphics(transparency) {
        if (this.cancelled) {
          return;
        }
        if (this._canvas) {
          if (canvasInRendering.has(this._canvas)) {
            throw new Error('Cannot use the same canvas during multiple render() operations. ' + 'Use different canvas or ensure previous operations were ' + 'cancelled or completed.');
          }
          canvasInRendering.set(this._canvas, this);
        }
        if (this._pdfBug && _global_scope2.default.StepperManager && _global_scope2.default.StepperManager.enabled) {
          this.stepper = _global_scope2.default.StepperManager.create(this.pageNumber - 1);
          this.stepper.init(this.operatorList);
          this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
        }
        var params = this.params;
        this.gfx = new _canvas.CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, params.imageLayer);
        this.gfx.beginDrawing({
          transform: params.transform,
          viewport: params.viewport,
          transparency: transparency,
          background: params.background
        });
        this.operatorListIdx = 0;
        this.graphicsReady = true;
        if (this.graphicsReadyCallback) {
          this.graphicsReadyCallback();
        }
      },
  
      cancel: function InternalRenderTask_cancel() {
        this.running = false;
        this.cancelled = true;
        if (this._canvas) {
          canvasInRendering.delete(this._canvas);
        }
        this.callback(new _dom_utils.RenderingCancelledException('Rendering cancelled, page ' + this.pageNumber, 'canvas'));
      },
      operatorListChanged: function InternalRenderTask_operatorListChanged() {
        if (!this.graphicsReady) {
          if (!this.graphicsReadyCallback) {
            this.graphicsReadyCallback = this._continueBound;
          }
          return;
        }
        if (this.stepper) {
          this.stepper.updateOperatorList(this.operatorList);
        }
        if (this.running) {
          return;
        }
        this._continue();
      },
      _continue: function InternalRenderTask__continue() {
        this.running = true;
        if (this.cancelled) {
          return;
        }
        if (this.task.onContinue) {
          this.task.onContinue(this._scheduleNextBound);
        } else {
          this._scheduleNext();
        }
      },
      _scheduleNext: function InternalRenderTask__scheduleNext() {
        var _this16 = this;
  
        if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
          window.requestAnimationFrame(function () {
            _this16._nextBound().catch(_this16.callback);
          });
        } else {
          Promise.resolve().then(this._nextBound).catch(this.callback);
        }
      },
      _next: function InternalRenderTask__next() {
        var _this17 = this;
  
        return new Promise(function () {
          if (_this17.cancelled) {
            return;
          }
          _this17.operatorListIdx = _this17.gfx.executeOperatorList(_this17.operatorList, _this17.operatorListIdx, _this17._continueBound, _this17.stepper);
          if (_this17.operatorListIdx === _this17.operatorList.argsArray.length) {
            _this17.running = false;
            if (_this17.operatorList.lastChunk) {
              _this17.gfx.endDrawing();
              if (_this17._canvas) {
                canvasInRendering.delete(_this17._canvas);
              }
              _this17.callback();
            }
          }
        });
      }
    };
    return InternalRenderTask;
  }();
  var version, build;
  {
    exports.version = version = '2.0.873';
    exports.build = build = '54d6c243';
  }
  exports.getDocument = getDocument;
  exports.LoopbackPort = LoopbackPort;
  exports.PDFDataRangeTransport = PDFDataRangeTransport;
  exports.PDFWorker = PDFWorker;
  exports.PDFDocumentProxy = PDFDocumentProxy;
  exports.PDFPageProxy = PDFPageProxy;
  exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
  exports.version = version;
  exports.build = build;
  
  /***/ }),
  /* 123 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.loadScript = exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.getFilenameFromUrl = exports.addLinkAttributes = exports.RenderingCancelledException = exports.PageViewport = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _util = __w_pdfjs_require__(1);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
  var SVG_NS = 'http://www.w3.org/2000/svg';
  
  var DOMCanvasFactory = function () {
    function DOMCanvasFactory() {
      _classCallCheck(this, DOMCanvasFactory);
    }
  
    _createClass(DOMCanvasFactory, [{
      key: 'create',
      value: function create(width, height) {
        if (width <= 0 || height <= 0) {
          throw new Error('invalid canvas size');
        }
        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');
        canvas.width = width;
        canvas.height = height;
        return {
          canvas: canvas,
          context: context
        };
      }
    }, {
      key: 'reset',
      value: function reset(canvasAndContext, width, height) {
        if (!canvasAndContext.canvas) {
          throw new Error('canvas is not specified');
        }
        if (width <= 0 || height <= 0) {
          throw new Error('invalid canvas size');
        }
        canvasAndContext.canvas.width = width;
        canvasAndContext.canvas.height = height;
      }
    }, {
      key: 'destroy',
      value: function destroy(canvasAndContext) {
        if (!canvasAndContext.canvas) {
          throw new Error('canvas is not specified');
        }
        canvasAndContext.canvas.width = 0;
        canvasAndContext.canvas.height = 0;
        canvasAndContext.canvas = null;
        canvasAndContext.context = null;
      }
    }]);
  
    return DOMCanvasFactory;
  }();
  
  var DOMCMapReaderFactory = function () {
    function DOMCMapReaderFactory(_ref) {
      var _ref$baseUrl = _ref.baseUrl,
          baseUrl = _ref$baseUrl === undefined ? null : _ref$baseUrl,
          _ref$isCompressed = _ref.isCompressed,
          isCompressed = _ref$isCompressed === undefined ? false : _ref$isCompressed;
  
      _classCallCheck(this, DOMCMapReaderFactory);
  
      this.baseUrl = baseUrl;
      this.isCompressed = isCompressed;
    }
  
    _createClass(DOMCMapReaderFactory, [{
      key: 'fetch',
      value: function fetch(_ref2) {
        var _this = this;
  
        var name = _ref2.name;
  
        if (!this.baseUrl) {
          return Promise.reject(new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.'));
        }
        if (!name) {
          return Promise.reject(new Error('CMap name must be specified.'));
        }
        return new Promise(function (resolve, reject) {
          var url = _this.baseUrl + name + (_this.isCompressed ? '.bcmap' : '');
          var request = new XMLHttpRequest();
          request.open('GET', url, true);
          if (_this.isCompressed) {
            request.responseType = 'arraybuffer';
          }
          request.onreadystatechange = function () {
            if (request.readyState !== XMLHttpRequest.DONE) {
              return;
            }
            if (request.status === 200 || request.status === 0) {
              var data = void 0;
              if (_this.isCompressed && request.response) {
                data = new Uint8Array(request.response);
              } else if (!_this.isCompressed && request.responseText) {
                data = (0, _util.stringToBytes)(request.responseText);
              }
              if (data) {
                resolve({
                  cMapData: data,
                  compressionType: _this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE
                });
                return;
              }
            }
            reject(new Error('Unable to load ' + (_this.isCompressed ? 'binary ' : '') + 'CMap at: ' + url));
          };
          request.send(null);
        });
      }
    }]);
  
    return DOMCMapReaderFactory;
  }();
  
  var DOMSVGFactory = function () {
    function DOMSVGFactory() {
      _classCallCheck(this, DOMSVGFactory);
    }
  
    _createClass(DOMSVGFactory, [{
      key: 'create',
      value: function create(width, height) {
        (0, _util.assert)(width > 0 && height > 0, 'Invalid SVG dimensions');
        var svg = document.createElementNS(SVG_NS, 'svg:svg');
        svg.setAttribute('version', '1.1');
        svg.setAttribute('width', width + 'px');
        svg.setAttribute('height', height + 'px');
        svg.setAttribute('preserveAspectRatio', 'none');
        svg.setAttribute('viewBox', '0 0 ' + width + ' ' + height);
        return svg;
      }
    }, {
      key: 'createElement',
      value: function createElement(type) {
        (0, _util.assert)(typeof type === 'string', 'Invalid SVG element type');
        return document.createElementNS(SVG_NS, type);
      }
    }]);
  
    return DOMSVGFactory;
  }();
  
  var PageViewport = function () {
    function PageViewport(_ref3) {
      var viewBox = _ref3.viewBox,
          scale = _ref3.scale,
          rotation = _ref3.rotation,
          _ref3$offsetX = _ref3.offsetX,
          offsetX = _ref3$offsetX === undefined ? 0 : _ref3$offsetX,
          _ref3$offsetY = _ref3.offsetY,
          offsetY = _ref3$offsetY === undefined ? 0 : _ref3$offsetY,
          _ref3$dontFlip = _ref3.dontFlip,
          dontFlip = _ref3$dontFlip === undefined ? false : _ref3$dontFlip;
  
      _classCallCheck(this, PageViewport);
  
      this.viewBox = viewBox;
      this.scale = scale;
      this.rotation = rotation;
      this.offsetX = offsetX;
      this.offsetY = offsetY;
      var centerX = (viewBox[2] + viewBox[0]) / 2;
      var centerY = (viewBox[3] + viewBox[1]) / 2;
      var rotateA = void 0,
          rotateB = void 0,
          rotateC = void 0,
          rotateD = void 0;
      rotation = rotation % 360;
      rotation = rotation < 0 ? rotation + 360 : rotation;
      switch (rotation) {
        case 180:
          rotateA = -1;
          rotateB = 0;
          rotateC = 0;
          rotateD = 1;
          break;
        case 90:
          rotateA = 0;
          rotateB = 1;
          rotateC = 1;
          rotateD = 0;
          break;
        case 270:
          rotateA = 0;
          rotateB = -1;
          rotateC = -1;
          rotateD = 0;
          break;
        default:
          rotateA = 1;
          rotateB = 0;
          rotateC = 0;
          rotateD = -1;
          break;
      }
      if (dontFlip) {
        rotateC = -rotateC;
        rotateD = -rotateD;
      }
      var offsetCanvasX = void 0,
          offsetCanvasY = void 0;
      var width = void 0,
          height = void 0;
      if (rotateA === 0) {
        offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
        offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
        width = Math.abs(viewBox[3] - viewBox[1]) * scale;
        height = Math.abs(viewBox[2] - viewBox[0]) * scale;
      } else {
        offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
        offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
        width = Math.abs(viewBox[2] - viewBox[0]) * scale;
        height = Math.abs(viewBox[3] - viewBox[1]) * scale;
      }
      this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
      this.width = width;
      this.height = height;
    }
  
    _createClass(PageViewport, [{
      key: 'clone',
      value: function clone() {
        var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
            _ref4$scale = _ref4.scale,
            scale = _ref4$scale === undefined ? this.scale : _ref4$scale,
            _ref4$rotation = _ref4.rotation,
            rotation = _ref4$rotation === undefined ? this.rotation : _ref4$rotation,
            _ref4$dontFlip = _ref4.dontFlip,
            dontFlip = _ref4$dontFlip === undefined ? false : _ref4$dontFlip;
  
        return new PageViewport({
          viewBox: this.viewBox.slice(),
          scale: scale,
          rotation: rotation,
          offsetX: this.offsetX,
          offsetY: this.offsetY,
          dontFlip: dontFlip
        });
      }
    }, {
      key: 'convertToViewportPoint',
      value: function convertToViewportPoint(x, y) {
        return _util.Util.applyTransform([x, y], this.transform);
      }
    }, {
      key: 'convertToViewportRectangle',
      value: function convertToViewportRectangle(rect) {
        var tl = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
        var br = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
        return [tl[0], tl[1], br[0], br[1]];
      }
    }, {
      key: 'convertToPdfPoint',
      value: function convertToPdfPoint(x, y) {
        return _util.Util.applyInverseTransform([x, y], this.transform);
      }
    }]);
  
    return PageViewport;
  }();
  
  var RenderingCancelledException = function RenderingCancelledException() {
    function RenderingCancelledException(msg, type) {
      this.message = msg;
      this.type = type;
    }
    RenderingCancelledException.prototype = new Error();
    RenderingCancelledException.prototype.name = 'RenderingCancelledException';
    RenderingCancelledException.constructor = RenderingCancelledException;
    return RenderingCancelledException;
  }();
  var LinkTarget = {
    NONE: 0,
    SELF: 1,
    BLANK: 2,
    PARENT: 3,
    TOP: 4
  };
  var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
  function addLinkAttributes(link) {
    var _ref5 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
        url = _ref5.url,
        target = _ref5.target,
        rel = _ref5.rel;
  
    link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
    if (url) {
      var LinkTargetValues = Object.values(LinkTarget);
      var targetIndex = LinkTargetValues.includes(target) ? target : LinkTarget.NONE;
      link.target = LinkTargetStringMap[targetIndex];
      link.rel = typeof rel === 'string' ? rel : DEFAULT_LINK_REL;
    }
  }
  function getFilenameFromUrl(url) {
    var anchor = url.indexOf('#');
    var query = url.indexOf('?');
    var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
    return url.substring(url.lastIndexOf('/', end) + 1, end);
  }
  
  var StatTimer = function () {
    function StatTimer() {
      var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
  
      _classCallCheck(this, StatTimer);
  
      this.enabled = !!enable;
      this.started = Object.create(null);
      this.times = [];
    }
  
    _createClass(StatTimer, [{
      key: 'time',
      value: function time(name) {
        if (!this.enabled) {
          return;
        }
        if (name in this.started) {
          (0, _util.warn)('Timer is already running for ' + name);
        }
        this.started[name] = Date.now();
      }
    }, {
      key: 'timeEnd',
      value: function timeEnd(name) {
        if (!this.enabled) {
          return;
        }
        if (!(name in this.started)) {
          (0, _util.warn)('Timer has not been started for ' + name);
        }
        this.times.push({
          'name': name,
          'start': this.started[name],
          'end': Date.now()
        });
        delete this.started[name];
      }
    }, {
      key: 'toString',
      value: function toString() {
        var times = this.times;
        var out = '',
            longest = 0;
        for (var i = 0, ii = times.length; i < ii; ++i) {
          var name = times[i]['name'];
          if (name.length > longest) {
            longest = name.length;
          }
        }
        for (var _i = 0, _ii = times.length; _i < _ii; ++_i) {
          var span = times[_i];
          var duration = span.end - span.start;
          out += span['name'].padEnd(longest) + ' ' + duration + 'ms\n';
        }
        return out;
      }
    }]);
  
    return StatTimer;
  }();
  
  var DummyStatTimer = function () {
    function DummyStatTimer() {
      _classCallCheck(this, DummyStatTimer);
  
      (0, _util.unreachable)('Cannot initialize DummyStatTimer.');
    }
  
    _createClass(DummyStatTimer, null, [{
      key: 'time',
      value: function time(name) {}
    }, {
      key: 'timeEnd',
      value: function timeEnd(name) {}
    }, {
      key: 'toString',
      value: function toString() {
        return '';
      }
    }]);
  
    return DummyStatTimer;
  }();
  
  function loadScript(src) {
    return new Promise(function (resolve, reject) {
      var script = document.createElement('script');
      script.src = src;
      script.onload = resolve;
      script.onerror = function () {
        reject(new Error('Cannot load script at: ' + script.src));
      };
      (document.head || document.documentElement).appendChild(script);
    });
  }
  exports.PageViewport = PageViewport;
  exports.RenderingCancelledException = RenderingCancelledException;
  exports.addLinkAttributes = addLinkAttributes;
  exports.getFilenameFromUrl = getFilenameFromUrl;
  exports.LinkTarget = LinkTarget;
  exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
  exports.DOMCanvasFactory = DOMCanvasFactory;
  exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
  exports.DOMSVGFactory = DOMSVGFactory;
  exports.StatTimer = StatTimer;
  exports.DummyStatTimer = DummyStatTimer;
  exports.loadScript = loadScript;
  
  /***/ }),
  /* 124 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.FontLoader = exports.FontFaceObject = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  function FontLoader(docId) {
    this.docId = docId;
    this.styleElement = null;
    this.nativeFontFaces = [];
    this.loadTestFontId = 0;
    this.loadingContext = {
      requests: [],
      nextRequestId: 0
    };
  }
  FontLoader.prototype = {
    insertRule: function fontLoaderInsertRule(rule) {
      var styleElement = this.styleElement;
      if (!styleElement) {
        styleElement = this.styleElement = document.createElement('style');
        styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
        document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
      }
      var styleSheet = styleElement.sheet;
      styleSheet.insertRule(rule, styleSheet.cssRules.length);
    },
    clear: function fontLoaderClear() {
      if (this.styleElement) {
        this.styleElement.remove();
        this.styleElement = null;
      }
      this.nativeFontFaces.forEach(function (nativeFontFace) {
        document.fonts.delete(nativeFontFace);
      });
      this.nativeFontFaces.length = 0;
    }
  };
  {
    var getLoadTestFont = function getLoadTestFont() {
      return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA==');
    };
    Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
      get: function get() {
        return (0, _util.shadow)(this, 'loadTestFont', getLoadTestFont());
      },
  
      configurable: true
    });
    FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
      this.nativeFontFaces.push(nativeFontFace);
      document.fonts.add(nativeFontFace);
    };
    FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
      var rules = [];
      var fontsToLoad = [];
      var fontLoadPromises = [];
      var getNativeFontPromise = function getNativeFontPromise(nativeFontFace) {
        return nativeFontFace.loaded.catch(function (e) {
          (0, _util.warn)('Failed to load font "' + nativeFontFace.family + '": ' + e);
        });
      };
      var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
      for (var i = 0, ii = fonts.length; i < ii; i++) {
        var font = fonts[i];
        if (font.attached || font.loading === false) {
          continue;
        }
        font.attached = true;
        if (isFontLoadingAPISupported) {
          var nativeFontFace = font.createNativeFontFace();
          if (nativeFontFace) {
            this.addNativeFontFace(nativeFontFace);
            fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
          }
        } else {
          var rule = font.createFontFaceRule();
          if (rule) {
            this.insertRule(rule);
            rules.push(rule);
            fontsToLoad.push(font);
          }
        }
      }
      var request = this.queueLoadingCallback(callback);
      if (isFontLoadingAPISupported) {
        Promise.all(fontLoadPromises).then(function () {
          request.complete();
        });
      } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
        this.prepareFontLoadEvent(rules, fontsToLoad, request);
      } else {
        request.complete();
      }
    };
    FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
      function LoadLoader_completeRequest() {
        (0, _util.assert)(!request.end, 'completeRequest() cannot be called twice');
        request.end = Date.now();
        while (context.requests.length > 0 && context.requests[0].end) {
          var otherRequest = context.requests.shift();
          setTimeout(otherRequest.callback, 0);
        }
      }
      var context = this.loadingContext;
      var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
      var request = {
        id: requestId,
        complete: LoadLoader_completeRequest,
        callback: callback,
        started: Date.now()
      };
      context.requests.push(request);
      return request;
    };
    FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {
      function int32(data, offset) {
        return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
      }
      function spliceString(s, offset, remove, insert) {
        var chunk1 = s.substr(0, offset);
        var chunk2 = s.substr(offset + remove);
        return chunk1 + insert + chunk2;
      }
      var i, ii;
      var canvas = document.createElement('canvas');
      canvas.width = 1;
      canvas.height = 1;
      var ctx = canvas.getContext('2d');
      var called = 0;
      function isFontReady(name, callback) {
        called++;
        if (called > 30) {
          (0, _util.warn)('Load test font never loaded.');
          callback();
          return;
        }
        ctx.font = '30px ' + name;
        ctx.fillText('.', 0, 20);
        var imageData = ctx.getImageData(0, 0, 1, 1);
        if (imageData.data[3] > 0) {
          callback();
          return;
        }
        setTimeout(isFontReady.bind(null, name, callback));
      }
      var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
      var data = this.loadTestFont;
      var COMMENT_OFFSET = 976;
      data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
      var CFF_CHECKSUM_OFFSET = 16;
      var XXXX_VALUE = 0x58585858;
      var checksum = int32(data, CFF_CHECKSUM_OFFSET);
      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
        checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
      }
      if (i < loadTestFontId.length) {
        checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
      }
      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
      var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
      var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
      this.insertRule(rule);
      var names = [];
      for (i = 0, ii = fonts.length; i < ii; i++) {
        names.push(fonts[i].loadedName);
      }
      names.push(loadTestFontId);
      var div = document.createElement('div');
      div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
      for (i = 0, ii = names.length; i < ii; ++i) {
        var span = document.createElement('span');
        span.textContent = 'Hi';
        span.style.fontFamily = names[i];
        div.appendChild(span);
      }
      document.body.appendChild(div);
      isFontReady(loadTestFontId, function () {
        document.body.removeChild(div);
        request.complete();
      });
    };
  }
  {
    FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
  }
  {
    var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
      if (typeof navigator === 'undefined') {
        return true;
      }
      var supported = false;
      var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
      if (m && m[1] >= 14) {
        supported = true;
      }
      return supported;
    };
    Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
      get: function get() {
        return (0, _util.shadow)(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
      },
  
      enumerable: true,
      configurable: true
    });
  }
  var IsEvalSupportedCached = {
    get value() {
      return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)());
    }
  };
  var FontFaceObject = function FontFaceObjectClosure() {
    function FontFaceObject(translatedData, _ref) {
      var _ref$isEvalSupported = _ref.isEvalSupported,
          isEvalSupported = _ref$isEvalSupported === undefined ? true : _ref$isEvalSupported,
          _ref$disableFontFace = _ref.disableFontFace,
          disableFontFace = _ref$disableFontFace === undefined ? false : _ref$disableFontFace,
          _ref$ignoreErrors = _ref.ignoreErrors,
          ignoreErrors = _ref$ignoreErrors === undefined ? false : _ref$ignoreErrors,
          _ref$onUnsupportedFea = _ref.onUnsupportedFeature,
          onUnsupportedFeature = _ref$onUnsupportedFea === undefined ? null : _ref$onUnsupportedFea,
          _ref$fontRegistry = _ref.fontRegistry,
          fontRegistry = _ref$fontRegistry === undefined ? null : _ref$fontRegistry;
  
      this.compiledGlyphs = Object.create(null);
      for (var i in translatedData) {
        this[i] = translatedData[i];
      }
      this.isEvalSupported = isEvalSupported !== false;
      this.disableFontFace = disableFontFace === true;
      this.ignoreErrors = ignoreErrors === true;
      this._onUnsupportedFeature = onUnsupportedFeature;
      this.fontRegistry = fontRegistry;
    }
    FontFaceObject.prototype = {
      createNativeFontFace: function FontFaceObject_createNativeFontFace() {
        if (!this.data || this.disableFontFace) {
          return null;
        }
        var nativeFontFace = new FontFace(this.loadedName, this.data, {});
        if (this.fontRegistry) {
          this.fontRegistry.registerFont(this);
        }
        return nativeFontFace;
      },
      createFontFaceRule: function FontFaceObject_createFontFaceRule() {
        if (!this.data || this.disableFontFace) {
          return null;
        }
        var data = (0, _util.bytesToString)(new Uint8Array(this.data));
        var fontName = this.loadedName;
        var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
        var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
        if (this.fontRegistry) {
          this.fontRegistry.registerFont(this, url);
        }
        return rule;
      },
      getPathGenerator: function getPathGenerator(objs, character) {
        if (this.compiledGlyphs[character] !== undefined) {
          return this.compiledGlyphs[character];
        }
        var cmds = void 0,
            current = void 0;
        try {
          cmds = objs.get(this.loadedName + '_path_' + character);
        } catch (ex) {
          if (!this.ignoreErrors) {
            throw ex;
          }
          if (this._onUnsupportedFeature) {
            this._onUnsupportedFeature({ featureId: _util.UNSUPPORTED_FEATURES.font });
          }
          (0, _util.warn)('getPathGenerator - ignoring character: "' + ex + '".');
          return this.compiledGlyphs[character] = function (c, size) {};
        }
        if (this.isEvalSupported && IsEvalSupportedCached.value) {
          var args = void 0,
              js = '';
          for (var i = 0, ii = cmds.length; i < ii; i++) {
            current = cmds[i];
            if (current.args !== undefined) {
              args = current.args.join(',');
            } else {
              args = '';
            }
            js += 'c.' + current.cmd + '(' + args + ');\n';
          }
          return this.compiledGlyphs[character] = new Function('c', 'size', js);
        }
        return this.compiledGlyphs[character] = function (c, size) {
          for (var _i = 0, _ii = cmds.length; _i < _ii; _i++) {
            current = cmds[_i];
            if (current.cmd === 'scale') {
              current.args = [size, -size];
            }
            c[current.cmd].apply(c, current.args);
          }
        };
      }
    };
    return FontFaceObject;
  }();
  exports.FontFaceObject = FontFaceObject;
  exports.FontLoader = FontLoader;
  
  /***/ }),
  /* 125 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var compatibilityParams = Object.create(null);
  {
    var isNodeJS = __w_pdfjs_require__(4);
    var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
    var isIE = /Trident/.test(userAgent);
    var isIOSChrome = /CriOS/.test(userAgent);
    (function checkOnBlobSupport() {
      if (isIE || isIOSChrome) {
        compatibilityParams.disableCreateObjectURL = true;
      }
    })();
    (function checkFontFaceAndImage() {
      if (isNodeJS()) {
        compatibilityParams.disableFontFace = true;
        compatibilityParams.nativeImageDecoderSupport = 'none';
      }
    })();
  }
  exports.apiCompatibilityParams = Object.freeze(compatibilityParams);
  
  /***/ }),
  /* 126 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.CanvasGraphics = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  var _pattern_helper = __w_pdfjs_require__(127);
  
  var MIN_FONT_SIZE = 16;
  var MAX_FONT_SIZE = 100;
  var MAX_GROUP_SIZE = 4096;
  var MIN_WIDTH_FACTOR = 0.65;
  var COMPILE_TYPE3_GLYPHS = true;
  var MAX_SIZE_TO_COMPILE = 1000;
  var FULL_CHUNK_HEIGHT = 16;
  var IsLittleEndianCached = {
    get value() {
      return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)());
    }
  };
  function addContextCurrentTransform(ctx) {
    if (!ctx.mozCurrentTransform) {
      ctx._originalSave = ctx.save;
      ctx._originalRestore = ctx.restore;
      ctx._originalRotate = ctx.rotate;
      ctx._originalScale = ctx.scale;
      ctx._originalTranslate = ctx.translate;
      ctx._originalTransform = ctx.transform;
      ctx._originalSetTransform = ctx.setTransform;
      ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
      ctx._transformStack = [];
      Object.defineProperty(ctx, 'mozCurrentTransform', {
        get: function getCurrentTransform() {
          return this._transformMatrix;
        }
      });
      Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
        get: function getCurrentTransformInverse() {
          var m = this._transformMatrix;
          var a = m[0],
              b = m[1],
              c = m[2],
              d = m[3],
              e = m[4],
              f = m[5];
          var ad_bc = a * d - b * c;
          var bc_ad = b * c - a * d;
          return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
        }
      });
      ctx.save = function ctxSave() {
        var old = this._transformMatrix;
        this._transformStack.push(old);
        this._transformMatrix = old.slice(0, 6);
        this._originalSave();
      };
      ctx.restore = function ctxRestore() {
        var prev = this._transformStack.pop();
        if (prev) {
          this._transformMatrix = prev;
          this._originalRestore();
        }
      };
      ctx.translate = function ctxTranslate(x, y) {
        var m = this._transformMatrix;
        m[4] = m[0] * x + m[2] * y + m[4];
        m[5] = m[1] * x + m[3] * y + m[5];
        this._originalTranslate(x, y);
      };
      ctx.scale = function ctxScale(x, y) {
        var m = this._transformMatrix;
        m[0] = m[0] * x;
        m[1] = m[1] * x;
        m[2] = m[2] * y;
        m[3] = m[3] * y;
        this._originalScale(x, y);
      };
      ctx.transform = function ctxTransform(a, b, c, d, e, f) {
        var m = this._transformMatrix;
        this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
        ctx._originalTransform(a, b, c, d, e, f);
      };
      ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
        this._transformMatrix = [a, b, c, d, e, f];
        ctx._originalSetTransform(a, b, c, d, e, f);
      };
      ctx.rotate = function ctxRotate(angle) {
        var cosValue = Math.cos(angle);
        var sinValue = Math.sin(angle);
        var m = this._transformMatrix;
        this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
        this._originalRotate(angle);
      };
    }
  }
  var CachedCanvases = function CachedCanvasesClosure() {
    function CachedCanvases(canvasFactory) {
      this.canvasFactory = canvasFactory;
      this.cache = Object.create(null);
    }
    CachedCanvases.prototype = {
      getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
        var canvasEntry;
        if (this.cache[id] !== undefined) {
          canvasEntry = this.cache[id];
          this.canvasFactory.reset(canvasEntry, width, height);
          canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
        } else {
          canvasEntry = this.canvasFactory.create(width, height);
          this.cache[id] = canvasEntry;
        }
        if (trackTransform) {
          addContextCurrentTransform(canvasEntry.context);
        }
        return canvasEntry;
      },
      clear: function clear() {
        for (var id in this.cache) {
          var canvasEntry = this.cache[id];
          this.canvasFactory.destroy(canvasEntry);
          delete this.cache[id];
        }
      }
    };
    return CachedCanvases;
  }();
  function compileType3Glyph(imgData) {
    var POINT_TO_PROCESS_LIMIT = 1000;
    var width = imgData.width,
        height = imgData.height;
    var i,
        j,
        j0,
        width1 = width + 1;
    var points = new Uint8Array(width1 * (height + 1));
    var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
    var lineSize = width + 7 & ~7,
        data0 = imgData.data;
    var data = new Uint8Array(lineSize * height),
        pos = 0,
        ii;
    for (i = 0, ii = data0.length; i < ii; i++) {
      var mask = 128,
          elem = data0[i];
      while (mask > 0) {
        data[pos++] = elem & mask ? 0 : 255;
        mask >>= 1;
      }
    }
    var count = 0;
    pos = 0;
    if (data[pos] !== 0) {
      points[0] = 1;
      ++count;
    }
    for (j = 1; j < width; j++) {
      if (data[pos] !== data[pos + 1]) {
        points[j] = data[pos] ? 2 : 1;
        ++count;
      }
      pos++;
    }
    if (data[pos] !== 0) {
      points[j] = 2;
      ++count;
    }
    for (i = 1; i < height; i++) {
      pos = i * lineSize;
      j0 = i * width1;
      if (data[pos - lineSize] !== data[pos]) {
        points[j0] = data[pos] ? 1 : 8;
        ++count;
      }
      var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
      for (j = 1; j < width; j++) {
        sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
        if (POINT_TYPES[sum]) {
          points[j0 + j] = POINT_TYPES[sum];
          ++count;
        }
        pos++;
      }
      if (data[pos - lineSize] !== data[pos]) {
        points[j0 + j] = data[pos] ? 2 : 4;
        ++count;
      }
      if (count > POINT_TO_PROCESS_LIMIT) {
        return null;
      }
    }
    pos = lineSize * (height - 1);
    j0 = i * width1;
    if (data[pos] !== 0) {
      points[j0] = 8;
      ++count;
    }
    for (j = 1; j < width; j++) {
      if (data[pos] !== data[pos + 1]) {
        points[j0 + j] = data[pos] ? 4 : 8;
        ++count;
      }
      pos++;
    }
    if (data[pos] !== 0) {
      points[j0 + j] = 4;
      ++count;
    }
    if (count > POINT_TO_PROCESS_LIMIT) {
      return null;
    }
    var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
    var outlines = [];
    for (i = 0; count && i <= height; i++) {
      var p = i * width1;
      var end = p + width;
      while (p < end && !points[p]) {
        p++;
      }
      if (p === end) {
        continue;
      }
      var coords = [p % width1, i];
      var type = points[p],
          p0 = p,
          pp;
      do {
        var step = steps[type];
        do {
          p += step;
        } while (!points[p]);
        pp = points[p];
        if (pp !== 5 && pp !== 10) {
          type = pp;
          points[p] = 0;
        } else {
          type = pp & 0x33 * type >> 4;
          points[p] &= type >> 2 | type << 2;
        }
        coords.push(p % width1);
        coords.push(p / width1 | 0);
        --count;
      } while (p0 !== p);
      outlines.push(coords);
      --i;
    }
    var drawOutline = function drawOutline(c) {
      c.save();
      c.scale(1 / width, -1 / height);
      c.translate(0, -height);
      c.beginPath();
      for (var i = 0, ii = outlines.length; i < ii; i++) {
        var o = outlines[i];
        c.moveTo(o[0], o[1]);
        for (var j = 2, jj = o.length; j < jj; j += 2) {
          c.lineTo(o[j], o[j + 1]);
        }
      }
      c.fill();
      c.beginPath();
      c.restore();
    };
    return drawOutline;
  }
  var CanvasExtraState = function CanvasExtraStateClosure() {
    function CanvasExtraState() {
      this.alphaIsShape = false;
      this.fontSize = 0;
      this.fontSizeScale = 1;
      this.textMatrix = _util.IDENTITY_MATRIX;
      this.textMatrixScale = 1;
      this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
      this.leading = 0;
      this.x = 0;
      this.y = 0;
      this.lineX = 0;
      this.lineY = 0;
      this.charSpacing = 0;
      this.wordSpacing = 0;
      this.textHScale = 1;
      this.textRenderingMode = _util.TextRenderingMode.FILL;
      this.textRise = 0;
      this.fillColor = '#000000';
      this.strokeColor = '#000000';
      this.patternFill = false;
      this.fillAlpha = 1;
      this.strokeAlpha = 1;
      this.lineWidth = 1;
      this.activeSMask = null;
      this.resumeSMaskCtx = null;
    }
    CanvasExtraState.prototype = {
      clone: function CanvasExtraState_clone() {
        return Object.create(this);
      },
      setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
        this.x = x;
        this.y = y;
      }
    };
    return CanvasExtraState;
  }();
  var CanvasGraphics = function CanvasGraphicsClosure() {
    var EXECUTION_TIME = 15;
    var EXECUTION_STEPS = 10;
    function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer) {
      this.ctx = canvasCtx;
      this.current = new CanvasExtraState();
      this.stateStack = [];
      this.pendingClip = null;
      this.pendingEOFill = false;
      this.res = null;
      this.xobjs = null;
      this.commonObjs = commonObjs;
      this.objs = objs;
      this.canvasFactory = canvasFactory;
      this.webGLContext = webGLContext;
      this.imageLayer = imageLayer;
      this.groupStack = [];
      this.processingType3 = null;
      this.baseTransform = null;
      this.baseTransformStack = [];
      this.groupLevel = 0;
      this.smaskStack = [];
      this.smaskCounter = 0;
      this.tempSMask = null;
      this.cachedCanvases = new CachedCanvases(this.canvasFactory);
      if (canvasCtx) {
        addContextCurrentTransform(canvasCtx);
      }
      this._cachedGetSinglePixelWidth = null;
    }
    function putBinaryImageData(ctx, imgData) {
      if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
        ctx.putImageData(imgData, 0, 0);
        return;
      }
      var height = imgData.height,
          width = imgData.width;
      var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
      var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
      var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
      var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
      var srcPos = 0,
          destPos;
      var src = imgData.data;
      var dest = chunkImgData.data;
      var i, j, thisChunkHeight, elemsInThisChunk;
      if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
        var srcLength = src.byteLength;
        var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
        var dest32DataLength = dest32.length;
        var fullSrcDiff = width + 7 >> 3;
        var white = 0xFFFFFFFF;
        var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
        for (i = 0; i < totalChunks; i++) {
          thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
          destPos = 0;
          for (j = 0; j < thisChunkHeight; j++) {
            var srcDiff = srcLength - srcPos;
            var k = 0;
            var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
            var kEndUnrolled = kEnd & ~7;
            var mask = 0;
            var srcByte = 0;
            for (; k < kEndUnrolled; k += 8) {
              srcByte = src[srcPos++];
              dest32[destPos++] = srcByte & 128 ? white : black;
              dest32[destPos++] = srcByte & 64 ? white : black;
              dest32[destPos++] = srcByte & 32 ? white : black;
              dest32[destPos++] = srcByte & 16 ? white : black;
              dest32[destPos++] = srcByte & 8 ? white : black;
              dest32[destPos++] = srcByte & 4 ? white : black;
              dest32[destPos++] = srcByte & 2 ? white : black;
              dest32[destPos++] = srcByte & 1 ? white : black;
            }
            for (; k < kEnd; k++) {
              if (mask === 0) {
                srcByte = src[srcPos++];
                mask = 128;
              }
              dest32[destPos++] = srcByte & mask ? white : black;
              mask >>= 1;
            }
          }
          while (destPos < dest32DataLength) {
            dest32[destPos++] = 0;
          }
          ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
        }
      } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
        j = 0;
        elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
        for (i = 0; i < fullChunks; i++) {
          dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
          srcPos += elemsInThisChunk;
          ctx.putImageData(chunkImgData, 0, j);
          j += FULL_CHUNK_HEIGHT;
        }
        if (i < totalChunks) {
          elemsInThisChunk = width * partialChunkHeight * 4;
          dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
          ctx.putImageData(chunkImgData, 0, j);
        }
      } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
        thisChunkHeight = FULL_CHUNK_HEIGHT;
        elemsInThisChunk = width * thisChunkHeight;
        for (i = 0; i < totalChunks; i++) {
          if (i >= fullChunks) {
            thisChunkHeight = partialChunkHeight;
            elemsInThisChunk = width * thisChunkHeight;
          }
          destPos = 0;
          for (j = elemsInThisChunk; j--;) {
            dest[destPos++] = src[srcPos++];
            dest[destPos++] = src[srcPos++];
            dest[destPos++] = src[srcPos++];
            dest[destPos++] = 255;
          }
          ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
        }
      } else {
        throw new Error('bad image kind: ' + imgData.kind);
      }
    }
    function putBinaryImageMask(ctx, imgData) {
      var height = imgData.height,
          width = imgData.width;
      var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
      var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
      var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
      var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
      var srcPos = 0;
      var src = imgData.data;
      var dest = chunkImgData.data;
      for (var i = 0; i < totalChunks; i++) {
        var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
        var destPos = 3;
        for (var j = 0; j < thisChunkHeight; j++) {
          var mask = 0;
          for (var k = 0; k < width; k++) {
            if (!mask) {
              var elem = src[srcPos++];
              mask = 128;
            }
            dest[destPos] = elem & mask ? 0 : 255;
            destPos += 4;
            mask >>= 1;
          }
        }
        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
      }
    }
    function copyCtxState(sourceCtx, destCtx) {
      var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font'];
      for (var i = 0, ii = properties.length; i < ii; i++) {
        var property = properties[i];
        if (sourceCtx[property] !== undefined) {
          destCtx[property] = sourceCtx[property];
        }
      }
      if (sourceCtx.setLineDash !== undefined) {
        destCtx.setLineDash(sourceCtx.getLineDash());
        destCtx.lineDashOffset = sourceCtx.lineDashOffset;
      }
    }
    function resetCtxToDefault(ctx) {
      ctx.strokeStyle = '#000000';
      ctx.fillStyle = '#000000';
      ctx.fillRule = 'nonzero';
      ctx.globalAlpha = 1;
      ctx.lineWidth = 1;
      ctx.lineCap = 'butt';
      ctx.lineJoin = 'miter';
      ctx.miterLimit = 10;
      ctx.globalCompositeOperation = 'source-over';
      ctx.font = '10px sans-serif';
      if (ctx.setLineDash !== undefined) {
        ctx.setLineDash([]);
        ctx.lineDashOffset = 0;
      }
    }
    function composeSMaskBackdrop(bytes, r0, g0, b0) {
      var length = bytes.length;
      for (var i = 3; i < length; i += 4) {
        var alpha = bytes[i];
        if (alpha === 0) {
          bytes[i - 3] = r0;
          bytes[i - 2] = g0;
          bytes[i - 1] = b0;
        } else if (alpha < 255) {
          var alpha_ = 255 - alpha;
          bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
          bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
          bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
        }
      }
    }
    function composeSMaskAlpha(maskData, layerData, transferMap) {
      var length = maskData.length;
      var scale = 1 / 255;
      for (var i = 3; i < length; i += 4) {
        var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
        layerData[i] = layerData[i] * alpha * scale | 0;
      }
    }
    function composeSMaskLuminosity(maskData, layerData, transferMap) {
      var length = maskData.length;
      for (var i = 3; i < length; i += 4) {
        var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
        layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
      }
    }
    function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
      var hasBackdrop = !!backdrop;
      var r0 = hasBackdrop ? backdrop[0] : 0;
      var g0 = hasBackdrop ? backdrop[1] : 0;
      var b0 = hasBackdrop ? backdrop[2] : 0;
      var composeFn;
      if (subtype === 'Luminosity') {
        composeFn = composeSMaskLuminosity;
      } else {
        composeFn = composeSMaskAlpha;
      }
      var PIXELS_TO_PROCESS = 1048576;
      var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
      for (var row = 0; row < height; row += chunkSize) {
        var chunkHeight = Math.min(chunkSize, height - row);
        var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
        var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
        if (hasBackdrop) {
          composeSMaskBackdrop(maskData.data, r0, g0, b0);
        }
        composeFn(maskData.data, layerData.data, transferMap);
        maskCtx.putImageData(layerData, 0, row);
      }
    }
    function composeSMask(ctx, smask, layerCtx, webGLContext) {
      var mask = smask.canvas;
      var maskCtx = smask.context;
      ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
      var backdrop = smask.backdrop || null;
      if (!smask.transferMap && webGLContext.isEnabled) {
        var composed = webGLContext.composeSMask({
          layer: layerCtx.canvas,
          mask: mask,
          properties: {
            subtype: smask.subtype,
            backdrop: backdrop
          }
        });
        ctx.setTransform(1, 0, 0, 1, 0, 0);
        ctx.drawImage(composed, smask.offsetX, smask.offsetY);
        return;
      }
      genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
      ctx.drawImage(mask, 0, 0);
    }
    var LINE_CAP_STYLES = ['butt', 'round', 'square'];
    var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
    var NORMAL_CLIP = {};
    var EO_CLIP = {};
    CanvasGraphics.prototype = {
      beginDrawing: function beginDrawing(_ref) {
        var transform = _ref.transform,
            viewport = _ref.viewport,
            transparency = _ref.transparency,
            _ref$background = _ref.background,
            background = _ref$background === undefined ? null : _ref$background;
  
        var width = this.ctx.canvas.width;
        var height = this.ctx.canvas.height;
        this.ctx.save();
        this.ctx.fillStyle = background || 'rgb(255, 255, 255)';
        this.ctx.fillRect(0, 0, width, height);
        this.ctx.restore();
        if (transparency) {
          var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
          this.compositeCtx = this.ctx;
          this.transparentCanvas = transparentCanvas.canvas;
          this.ctx = transparentCanvas.context;
          this.ctx.save();
          this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
        }
        this.ctx.save();
        resetCtxToDefault(this.ctx);
        if (transform) {
          this.ctx.transform.apply(this.ctx, transform);
        }
        this.ctx.transform.apply(this.ctx, viewport.transform);
        this.baseTransform = this.ctx.mozCurrentTransform.slice();
        if (this.imageLayer) {
          this.imageLayer.beginLayout();
        }
      },
  
      executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
        var argsArray = operatorList.argsArray;
        var fnArray = operatorList.fnArray;
        var i = executionStartIdx || 0;
        var argsArrayLen = argsArray.length;
        if (argsArrayLen === i) {
          return i;
        }
        var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
        var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
        var steps = 0;
        var commonObjs = this.commonObjs;
        var objs = this.objs;
        var fnId;
        while (true) {
          if (stepper !== undefined && i === stepper.nextBreakPoint) {
            stepper.breakIt(i, continueCallback);
            return i;
          }
          fnId = fnArray[i];
          if (fnId !== _util.OPS.dependency) {
            this[fnId].apply(this, argsArray[i]);
          } else {
            var deps = argsArray[i];
            for (var n = 0, nn = deps.length; n < nn; n++) {
              var depObjId = deps[n];
              var common = depObjId[0] === 'g' && depObjId[1] === '_';
              var objsPool = common ? commonObjs : objs;
              if (!objsPool.isResolved(depObjId)) {
                objsPool.get(depObjId, continueCallback);
                return i;
              }
            }
          }
          i++;
          if (i === argsArrayLen) {
            return i;
          }
          if (chunkOperations && ++steps > EXECUTION_STEPS) {
            if (Date.now() > endTime) {
              continueCallback();
              return i;
            }
            steps = 0;
          }
        }
      },
      endDrawing: function CanvasGraphics_endDrawing() {
        if (this.current.activeSMask !== null) {
          this.endSMaskGroup();
        }
        this.ctx.restore();
        if (this.transparentCanvas) {
          this.ctx = this.compositeCtx;
          this.ctx.save();
          this.ctx.setTransform(1, 0, 0, 1, 0, 0);
          this.ctx.drawImage(this.transparentCanvas, 0, 0);
          this.ctx.restore();
          this.transparentCanvas = null;
        }
        this.cachedCanvases.clear();
        this.webGLContext.clear();
        if (this.imageLayer) {
          this.imageLayer.endLayout();
        }
      },
      setLineWidth: function CanvasGraphics_setLineWidth(width) {
        this.current.lineWidth = width;
        this.ctx.lineWidth = width;
      },
      setLineCap: function CanvasGraphics_setLineCap(style) {
        this.ctx.lineCap = LINE_CAP_STYLES[style];
      },
      setLineJoin: function CanvasGraphics_setLineJoin(style) {
        this.ctx.lineJoin = LINE_JOIN_STYLES[style];
      },
      setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
        this.ctx.miterLimit = limit;
      },
      setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
        var ctx = this.ctx;
        if (ctx.setLineDash !== undefined) {
          ctx.setLineDash(dashArray);
          ctx.lineDashOffset = dashPhase;
        }
      },
      setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {},
      setFlatness: function CanvasGraphics_setFlatness(flatness) {},
      setGState: function CanvasGraphics_setGState(states) {
        for (var i = 0, ii = states.length; i < ii; i++) {
          var state = states[i];
          var key = state[0];
          var value = state[1];
          switch (key) {
            case 'LW':
              this.setLineWidth(value);
              break;
            case 'LC':
              this.setLineCap(value);
              break;
            case 'LJ':
              this.setLineJoin(value);
              break;
            case 'ML':
              this.setMiterLimit(value);
              break;
            case 'D':
              this.setDash(value[0], value[1]);
              break;
            case 'RI':
              this.setRenderingIntent(value);
              break;
            case 'FL':
              this.setFlatness(value);
              break;
            case 'Font':
              this.setFont(value[0], value[1]);
              break;
            case 'CA':
              this.current.strokeAlpha = state[1];
              break;
            case 'ca':
              this.current.fillAlpha = state[1];
              this.ctx.globalAlpha = state[1];
              break;
            case 'BM':
              this.ctx.globalCompositeOperation = value;
              break;
            case 'SMask':
              if (this.current.activeSMask) {
                if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
                  this.suspendSMaskGroup();
                } else {
                  this.endSMaskGroup();
                }
              }
              this.current.activeSMask = value ? this.tempSMask : null;
              if (this.current.activeSMask) {
                this.beginSMaskGroup();
              }
              this.tempSMask = null;
              break;
          }
        }
      },
      beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
        var activeSMask = this.current.activeSMask;
        var drawnWidth = activeSMask.canvas.width;
        var drawnHeight = activeSMask.canvas.height;
        var cacheId = 'smaskGroupAt' + this.groupLevel;
        var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
        var currentCtx = this.ctx;
        var currentTransform = currentCtx.mozCurrentTransform;
        this.ctx.save();
        var groupCtx = scratchCanvas.context;
        groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
        groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
        groupCtx.transform.apply(groupCtx, currentTransform);
        activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
        copyCtxState(currentCtx, groupCtx);
        this.ctx = groupCtx;
        this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
        this.groupStack.push(currentCtx);
        this.groupLevel++;
      },
      suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
        var groupCtx = this.ctx;
        this.groupLevel--;
        this.ctx = this.groupStack.pop();
        composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
        this.ctx.restore();
        this.ctx.save();
        copyCtxState(groupCtx, this.ctx);
        this.current.resumeSMaskCtx = groupCtx;
        var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
        this.ctx.transform.apply(this.ctx, deltaTransform);
        groupCtx.save();
        groupCtx.setTransform(1, 0, 0, 1, 0, 0);
        groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
        groupCtx.restore();
      },
      resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
        var groupCtx = this.current.resumeSMaskCtx;
        var currentCtx = this.ctx;
        this.ctx = groupCtx;
        this.groupStack.push(currentCtx);
        this.groupLevel++;
      },
      endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
        var groupCtx = this.ctx;
        this.groupLevel--;
        this.ctx = this.groupStack.pop();
        composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
        this.ctx.restore();
        copyCtxState(groupCtx, this.ctx);
        var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
        this.ctx.transform.apply(this.ctx, deltaTransform);
      },
      save: function CanvasGraphics_save() {
        this.ctx.save();
        var old = this.current;
        this.stateStack.push(old);
        this.current = old.clone();
        this.current.resumeSMaskCtx = null;
      },
      restore: function CanvasGraphics_restore() {
        if (this.current.resumeSMaskCtx) {
          this.resumeSMaskGroup();
        }
        if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
          this.endSMaskGroup();
        }
        if (this.stateStack.length !== 0) {
          this.current = this.stateStack.pop();
          this.ctx.restore();
          this.pendingClip = null;
          this._cachedGetSinglePixelWidth = null;
        }
      },
      transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
        this.ctx.transform(a, b, c, d, e, f);
        this._cachedGetSinglePixelWidth = null;
      },
      constructPath: function CanvasGraphics_constructPath(ops, args) {
        var ctx = this.ctx;
        var current = this.current;
        var x = current.x,
            y = current.y;
        for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
          switch (ops[i] | 0) {
            case _util.OPS.rectangle:
              x = args[j++];
              y = args[j++];
              var width = args[j++];
              var height = args[j++];
              if (width === 0) {
                width = this.getSinglePixelWidth();
              }
              if (height === 0) {
                height = this.getSinglePixelWidth();
              }
              var xw = x + width;
              var yh = y + height;
              this.ctx.moveTo(x, y);
              this.ctx.lineTo(xw, y);
              this.ctx.lineTo(xw, yh);
              this.ctx.lineTo(x, yh);
              this.ctx.lineTo(x, y);
              this.ctx.closePath();
              break;
            case _util.OPS.moveTo:
              x = args[j++];
              y = args[j++];
              ctx.moveTo(x, y);
              break;
            case _util.OPS.lineTo:
              x = args[j++];
              y = args[j++];
              ctx.lineTo(x, y);
              break;
            case _util.OPS.curveTo:
              x = args[j + 4];
              y = args[j + 5];
              ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
              j += 6;
              break;
            case _util.OPS.curveTo2:
              ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
              x = args[j + 2];
              y = args[j + 3];
              j += 4;
              break;
            case _util.OPS.curveTo3:
              x = args[j + 2];
              y = args[j + 3];
              ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
              j += 4;
              break;
            case _util.OPS.closePath:
              ctx.closePath();
              break;
          }
        }
        current.setCurrentPoint(x, y);
      },
      closePath: function CanvasGraphics_closePath() {
        this.ctx.closePath();
      },
      stroke: function CanvasGraphics_stroke(consumePath) {
        consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
        var ctx = this.ctx;
        var strokeColor = this.current.strokeColor;
        ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
        ctx.globalAlpha = this.current.strokeAlpha;
        if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
          ctx.save();
          ctx.strokeStyle = strokeColor.getPattern(ctx, this);
          ctx.stroke();
          ctx.restore();
        } else {
          ctx.stroke();
        }
        if (consumePath) {
          this.consumePath();
        }
        ctx.globalAlpha = this.current.fillAlpha;
      },
      closeStroke: function CanvasGraphics_closeStroke() {
        this.closePath();
        this.stroke();
      },
      fill: function CanvasGraphics_fill(consumePath) {
        consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
        var ctx = this.ctx;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var needRestore = false;
        if (isPatternFill) {
          ctx.save();
          if (this.baseTransform) {
            ctx.setTransform.apply(ctx, this.baseTransform);
          }
          ctx.fillStyle = fillColor.getPattern(ctx, this);
          needRestore = true;
        }
        if (this.pendingEOFill) {
          ctx.fill('evenodd');
          this.pendingEOFill = false;
        } else {
          ctx.fill();
        }
        if (needRestore) {
          ctx.restore();
        }
        if (consumePath) {
          this.consumePath();
        }
      },
      eoFill: function CanvasGraphics_eoFill() {
        this.pendingEOFill = true;
        this.fill();
      },
      fillStroke: function CanvasGraphics_fillStroke() {
        this.fill(false);
        this.stroke(false);
        this.consumePath();
      },
      eoFillStroke: function CanvasGraphics_eoFillStroke() {
        this.pendingEOFill = true;
        this.fillStroke();
      },
      closeFillStroke: function CanvasGraphics_closeFillStroke() {
        this.closePath();
        this.fillStroke();
      },
      closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
        this.pendingEOFill = true;
        this.closePath();
        this.fillStroke();
      },
      endPath: function CanvasGraphics_endPath() {
        this.consumePath();
      },
      clip: function CanvasGraphics_clip() {
        this.pendingClip = NORMAL_CLIP;
      },
      eoClip: function CanvasGraphics_eoClip() {
        this.pendingClip = EO_CLIP;
      },
      beginText: function CanvasGraphics_beginText() {
        this.current.textMatrix = _util.IDENTITY_MATRIX;
        this.current.textMatrixScale = 1;
        this.current.x = this.current.lineX = 0;
        this.current.y = this.current.lineY = 0;
      },
      endText: function CanvasGraphics_endText() {
        var paths = this.pendingTextPaths;
        var ctx = this.ctx;
        if (paths === undefined) {
          ctx.beginPath();
          return;
        }
        ctx.save();
        ctx.beginPath();
        for (var i = 0; i < paths.length; i++) {
          var path = paths[i];
          ctx.setTransform.apply(ctx, path.transform);
          ctx.translate(path.x, path.y);
          path.addToPath(ctx, path.fontSize);
        }
        ctx.restore();
        ctx.clip();
        ctx.beginPath();
        delete this.pendingTextPaths;
      },
      setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
        this.current.charSpacing = spacing;
      },
      setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
        this.current.wordSpacing = spacing;
      },
      setHScale: function CanvasGraphics_setHScale(scale) {
        this.current.textHScale = scale / 100;
      },
      setLeading: function CanvasGraphics_setLeading(leading) {
        this.current.leading = -leading;
      },
      setFont: function CanvasGraphics_setFont(fontRefName, size) {
        var fontObj = this.commonObjs.get(fontRefName);
        var current = this.current;
        if (!fontObj) {
          throw new Error('Can\'t find font for ' + fontRefName);
        }
        current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
        if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
          (0, _util.warn)('Invalid font matrix for font ' + fontRefName);
        }
        if (size < 0) {
          size = -size;
          current.fontDirection = -1;
        } else {
          current.fontDirection = 1;
        }
        this.current.font = fontObj;
        this.current.fontSize = size;
        if (fontObj.isType3Font) {
          return;
        }
        var name = fontObj.loadedName || 'sans-serif';
        var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
        var italic = fontObj.italic ? 'italic' : 'normal';
        var typeface = '"' + name + '", ' + fontObj.fallbackName;
        var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
        this.current.fontSizeScale = size / browserFontSize;
        var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
        this.ctx.font = rule;
      },
      setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
        this.current.textRenderingMode = mode;
      },
      setTextRise: function CanvasGraphics_setTextRise(rise) {
        this.current.textRise = rise;
      },
      moveText: function CanvasGraphics_moveText(x, y) {
        this.current.x = this.current.lineX += x;
        this.current.y = this.current.lineY += y;
      },
      setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
        this.setLeading(-y);
        this.moveText(x, y);
      },
      setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
        this.current.textMatrix = [a, b, c, d, e, f];
        this.current.textMatrixScale = Math.sqrt(a * a + b * b);
        this.current.x = this.current.lineX = 0;
        this.current.y = this.current.lineY = 0;
      },
      nextLine: function CanvasGraphics_nextLine() {
        this.moveText(0, this.current.leading);
      },
      paintChar: function paintChar(character, x, y, patternTransform) {
        var ctx = this.ctx;
        var current = this.current;
        var font = current.font;
        var textRenderingMode = current.textRenderingMode;
        var fontSize = current.fontSize / current.fontSizeScale;
        var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
        var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
        var patternFill = current.patternFill && font.data;
        var addToPath;
        if (font.disableFontFace || isAddToPathSet || patternFill) {
          addToPath = font.getPathGenerator(this.commonObjs, character);
        }
        if (font.disableFontFace || patternFill) {
          ctx.save();
          ctx.translate(x, y);
          ctx.beginPath();
          addToPath(ctx, fontSize);
          if (patternTransform) {
            ctx.setTransform.apply(ctx, patternTransform);
          }
          if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            ctx.fill();
          }
          if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            ctx.stroke();
          }
          ctx.restore();
        } else {
          if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            ctx.fillText(character, x, y);
          }
          if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            ctx.strokeText(character, x, y);
          }
        }
        if (isAddToPathSet) {
          var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
          paths.push({
            transform: ctx.mozCurrentTransform,
            x: x,
            y: y,
            fontSize: fontSize,
            addToPath: addToPath
          });
        }
      },
  
      get isFontSubpixelAAEnabled() {
        var ctx = this.canvasFactory.create(10, 10).context;
        ctx.scale(1.5, 1);
        ctx.fillText('I', 0, 10);
        var data = ctx.getImageData(0, 0, 10, 10).data;
        var enabled = false;
        for (var i = 3; i < data.length; i += 4) {
          if (data[i] > 0 && data[i] < 255) {
            enabled = true;
            break;
          }
        }
        return (0, _util.shadow)(this, 'isFontSubpixelAAEnabled', enabled);
      },
      showText: function CanvasGraphics_showText(glyphs) {
        var current = this.current;
        var font = current.font;
        if (font.isType3Font) {
          return this.showType3Text(glyphs);
        }
        var fontSize = current.fontSize;
        if (fontSize === 0) {
          return;
        }
        var ctx = this.ctx;
        var fontSizeScale = current.fontSizeScale;
        var charSpacing = current.charSpacing;
        var wordSpacing = current.wordSpacing;
        var fontDirection = current.fontDirection;
        var textHScale = current.textHScale * fontDirection;
        var glyphsLength = glyphs.length;
        var vertical = font.vertical;
        var spacingDir = vertical ? 1 : -1;
        var defaultVMetrics = font.defaultVMetrics;
        var widthAdvanceScale = fontSize * current.fontMatrix[0];
        var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
        ctx.save();
        var patternTransform = void 0;
        if (current.patternFill) {
          ctx.save();
          var pattern = current.fillColor.getPattern(ctx, this);
          patternTransform = ctx.mozCurrentTransform;
          ctx.restore();
          ctx.fillStyle = pattern;
        }
        ctx.transform.apply(ctx, current.textMatrix);
        ctx.translate(current.x, current.y + current.textRise);
        if (fontDirection > 0) {
          ctx.scale(textHScale, -1);
        } else {
          ctx.scale(textHScale, 1);
        }
        var lineWidth = current.lineWidth;
        var scale = current.textMatrixScale;
        if (scale === 0 || lineWidth === 0) {
          var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
          if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            this._cachedGetSinglePixelWidth = null;
            lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
          }
        } else {
          lineWidth /= scale;
        }
        if (fontSizeScale !== 1.0) {
          ctx.scale(fontSizeScale, fontSizeScale);
          lineWidth /= fontSizeScale;
        }
        ctx.lineWidth = lineWidth;
        var x = 0,
            i;
        for (i = 0; i < glyphsLength; ++i) {
          var glyph = glyphs[i];
          if ((0, _util.isNum)(glyph)) {
            x += spacingDir * glyph * fontSize / 1000;
            continue;
          }
          var restoreNeeded = false;
          var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
          var character = glyph.fontChar;
          var accent = glyph.accent;
          var scaledX, scaledY, scaledAccentX, scaledAccentY;
          var width = glyph.width;
          if (vertical) {
            var vmetric, vx, vy;
            vmetric = glyph.vmetric || defaultVMetrics;
            vx = glyph.vmetric ? vmetric[1] : width * 0.5;
            vx = -vx * widthAdvanceScale;
            vy = vmetric[2] * widthAdvanceScale;
            width = vmetric ? -vmetric[0] : width;
            scaledX = vx / fontSizeScale;
            scaledY = (x + vy) / fontSizeScale;
          } else {
            scaledX = x / fontSizeScale;
            scaledY = 0;
          }
          if (font.remeasure && width > 0) {
            var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
            if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
              var characterScaleX = width / measuredWidth;
              restoreNeeded = true;
              ctx.save();
              ctx.scale(characterScaleX, 1);
              scaledX /= characterScaleX;
            } else if (width !== measuredWidth) {
              scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
            }
          }
          if (glyph.isInFont || font.missingFile) {
            if (simpleFillText && !accent) {
              ctx.fillText(character, scaledX, scaledY);
            } else {
              this.paintChar(character, scaledX, scaledY, patternTransform);
              if (accent) {
                scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
                scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
                this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
              }
            }
          }
          var charWidth = width * widthAdvanceScale + spacing * fontDirection;
          x += charWidth;
          if (restoreNeeded) {
            ctx.restore();
          }
        }
        if (vertical) {
          current.y -= x * textHScale;
        } else {
          current.x += x * textHScale;
        }
        ctx.restore();
      },
      showType3Text: function CanvasGraphics_showType3Text(glyphs) {
        var ctx = this.ctx;
        var current = this.current;
        var font = current.font;
        var fontSize = current.fontSize;
        var fontDirection = current.fontDirection;
        var spacingDir = font.vertical ? 1 : -1;
        var charSpacing = current.charSpacing;
        var wordSpacing = current.wordSpacing;
        var textHScale = current.textHScale * fontDirection;
        var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
        var glyphsLength = glyphs.length;
        var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
        var i, glyph, width, spacingLength;
        if (isTextInvisible || fontSize === 0) {
          return;
        }
        this._cachedGetSinglePixelWidth = null;
        ctx.save();
        ctx.transform.apply(ctx, current.textMatrix);
        ctx.translate(current.x, current.y);
        ctx.scale(textHScale, fontDirection);
        for (i = 0; i < glyphsLength; ++i) {
          glyph = glyphs[i];
          if ((0, _util.isNum)(glyph)) {
            spacingLength = spacingDir * glyph * fontSize / 1000;
            this.ctx.translate(spacingLength, 0);
            current.x += spacingLength * textHScale;
            continue;
          }
          var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
          var operatorList = font.charProcOperatorList[glyph.operatorListId];
          if (!operatorList) {
            (0, _util.warn)('Type3 character "' + glyph.operatorListId + '" is not available.');
            continue;
          }
          this.processingType3 = glyph;
          this.save();
          ctx.scale(fontSize, fontSize);
          ctx.transform.apply(ctx, fontMatrix);
          this.executeOperatorList(operatorList);
          this.restore();
          var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
          width = transformed[0] * fontSize + spacing;
          ctx.translate(width, 0);
          current.x += width * textHScale;
        }
        ctx.restore();
        this.processingType3 = null;
      },
      setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
      setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
        this.ctx.rect(llx, lly, urx - llx, ury - lly);
        this.clip();
        this.endPath();
      },
      getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
        var _this = this;
  
        var pattern;
        if (IR[0] === 'TilingPattern') {
          var color = IR[1];
          var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
          var canvasGraphicsFactory = {
            createCanvasGraphics: function createCanvasGraphics(ctx) {
              return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory, _this.webGLContext);
            }
          };
          pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
        } else {
          pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
        }
        return pattern;
      },
      setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
        this.current.strokeColor = this.getColorN_Pattern(arguments);
      },
      setFillColorN: function CanvasGraphics_setFillColorN() {
        this.current.fillColor = this.getColorN_Pattern(arguments);
        this.current.patternFill = true;
      },
      setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
        var color = _util.Util.makeCssRgb(r, g, b);
        this.ctx.strokeStyle = color;
        this.current.strokeColor = color;
      },
      setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
        var color = _util.Util.makeCssRgb(r, g, b);
        this.ctx.fillStyle = color;
        this.current.fillColor = color;
        this.current.patternFill = false;
      },
      shadingFill: function CanvasGraphics_shadingFill(patternIR) {
        var ctx = this.ctx;
        this.save();
        var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
        ctx.fillStyle = pattern.getPattern(ctx, this, true);
        var inv = ctx.mozCurrentTransformInverse;
        if (inv) {
          var canvas = ctx.canvas;
          var width = canvas.width;
          var height = canvas.height;
          var bl = _util.Util.applyTransform([0, 0], inv);
          var br = _util.Util.applyTransform([0, height], inv);
          var ul = _util.Util.applyTransform([width, 0], inv);
          var ur = _util.Util.applyTransform([width, height], inv);
          var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
          var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
          var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
          var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
          this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
        } else {
          this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
        }
        this.restore();
      },
      beginInlineImage: function CanvasGraphics_beginInlineImage() {
        (0, _util.unreachable)('Should not call beginInlineImage');
      },
      beginImageData: function CanvasGraphics_beginImageData() {
        (0, _util.unreachable)('Should not call beginImageData');
      },
      paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
        this.save();
        this.baseTransformStack.push(this.baseTransform);
        if (Array.isArray(matrix) && matrix.length === 6) {
          this.transform.apply(this, matrix);
        }
        this.baseTransform = this.ctx.mozCurrentTransform;
        if (Array.isArray(bbox) && bbox.length === 4) {
          var width = bbox[2] - bbox[0];
          var height = bbox[3] - bbox[1];
          this.ctx.rect(bbox[0], bbox[1], width, height);
          this.clip();
          this.endPath();
        }
      },
      paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
        this.restore();
        this.baseTransform = this.baseTransformStack.pop();
      },
      beginGroup: function CanvasGraphics_beginGroup(group) {
        this.save();
        var currentCtx = this.ctx;
        if (!group.isolated) {
          (0, _util.info)('TODO: Support non-isolated groups.');
        }
        if (group.knockout) {
          (0, _util.warn)('Knockout groups not supported.');
        }
        var currentTransform = currentCtx.mozCurrentTransform;
        if (group.matrix) {
          currentCtx.transform.apply(currentCtx, group.matrix);
        }
        if (!group.bbox) {
          throw new Error('Bounding box is required.');
        }
        var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
        var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
        bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
        var offsetX = Math.floor(bounds[0]);
        var offsetY = Math.floor(bounds[1]);
        var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
        var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
        var scaleX = 1,
            scaleY = 1;
        if (drawnWidth > MAX_GROUP_SIZE) {
          scaleX = drawnWidth / MAX_GROUP_SIZE;
          drawnWidth = MAX_GROUP_SIZE;
        }
        if (drawnHeight > MAX_GROUP_SIZE) {
          scaleY = drawnHeight / MAX_GROUP_SIZE;
          drawnHeight = MAX_GROUP_SIZE;
        }
        var cacheId = 'groupAt' + this.groupLevel;
        if (group.smask) {
          cacheId += '_smask_' + this.smaskCounter++ % 2;
        }
        var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
        var groupCtx = scratchCanvas.context;
        groupCtx.scale(1 / scaleX, 1 / scaleY);
        groupCtx.translate(-offsetX, -offsetY);
        groupCtx.transform.apply(groupCtx, currentTransform);
        if (group.smask) {
          this.smaskStack.push({
            canvas: scratchCanvas.canvas,
            context: groupCtx,
            offsetX: offsetX,
            offsetY: offsetY,
            scaleX: scaleX,
            scaleY: scaleY,
            subtype: group.smask.subtype,
            backdrop: group.smask.backdrop,
            transferMap: group.smask.transferMap || null,
            startTransformInverse: null
          });
        } else {
          currentCtx.setTransform(1, 0, 0, 1, 0, 0);
          currentCtx.translate(offsetX, offsetY);
          currentCtx.scale(scaleX, scaleY);
        }
        copyCtxState(currentCtx, groupCtx);
        this.ctx = groupCtx;
        this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
        this.groupStack.push(currentCtx);
        this.groupLevel++;
        this.current.activeSMask = null;
      },
      endGroup: function CanvasGraphics_endGroup(group) {
        this.groupLevel--;
        var groupCtx = this.ctx;
        this.ctx = this.groupStack.pop();
        if (this.ctx.imageSmoothingEnabled !== undefined) {
          this.ctx.imageSmoothingEnabled = false;
        } else {
          this.ctx.mozImageSmoothingEnabled = false;
        }
        if (group.smask) {
          this.tempSMask = this.smaskStack.pop();
        } else {
          this.ctx.drawImage(groupCtx.canvas, 0, 0);
        }
        this.restore();
      },
      beginAnnotations: function CanvasGraphics_beginAnnotations() {
        this.save();
        if (this.baseTransform) {
          this.ctx.setTransform.apply(this.ctx, this.baseTransform);
        }
      },
      endAnnotations: function CanvasGraphics_endAnnotations() {
        this.restore();
      },
      beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
        this.save();
        resetCtxToDefault(this.ctx);
        this.current = new CanvasExtraState();
        if (Array.isArray(rect) && rect.length === 4) {
          var width = rect[2] - rect[0];
          var height = rect[3] - rect[1];
          this.ctx.rect(rect[0], rect[1], width, height);
          this.clip();
          this.endPath();
        }
        this.transform.apply(this, transform);
        this.transform.apply(this, matrix);
      },
      endAnnotation: function CanvasGraphics_endAnnotation() {
        this.restore();
      },
      paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
        var domImage = this.objs.get(objId);
        if (!domImage) {
          (0, _util.warn)('Dependent image isn\'t ready yet');
          return;
        }
        this.save();
        var ctx = this.ctx;
        ctx.scale(1 / w, -1 / h);
        ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
        if (this.imageLayer) {
          var currentTransform = ctx.mozCurrentTransformInverse;
          var position = this.getCanvasPosition(0, 0);
          this.imageLayer.appendImage({
            objId: objId,
            left: position[0],
            top: position[1],
            width: w / currentTransform[0],
            height: h / currentTransform[3]
          });
        }
        this.restore();
      },
      paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
        var ctx = this.ctx;
        var width = img.width,
            height = img.height;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var glyph = this.processingType3;
        if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
          if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
            glyph.compiled = compileType3Glyph({
              data: img.data,
              width: width,
              height: height
            });
          } else {
            glyph.compiled = null;
          }
        }
        if (glyph && glyph.compiled) {
          glyph.compiled(ctx);
          return;
        }
        var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
        var maskCtx = maskCanvas.context;
        maskCtx.save();
        putBinaryImageMask(maskCtx, img);
        maskCtx.globalCompositeOperation = 'source-in';
        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
        maskCtx.fillRect(0, 0, width, height);
        maskCtx.restore();
        this.paintInlineImageXObject(maskCanvas.canvas);
      },
      paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
        var width = imgData.width;
        var height = imgData.height;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
        var maskCtx = maskCanvas.context;
        maskCtx.save();
        putBinaryImageMask(maskCtx, imgData);
        maskCtx.globalCompositeOperation = 'source-in';
        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
        maskCtx.fillRect(0, 0, width, height);
        maskCtx.restore();
        var ctx = this.ctx;
        for (var i = 0, ii = positions.length; i < ii; i += 2) {
          ctx.save();
          ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
          ctx.scale(1, -1);
          ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
          ctx.restore();
        }
      },
      paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
        var ctx = this.ctx;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        for (var i = 0, ii = images.length; i < ii; i++) {
          var image = images[i];
          var width = image.width,
              height = image.height;
          var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
          var maskCtx = maskCanvas.context;
          maskCtx.save();
          putBinaryImageMask(maskCtx, image);
          maskCtx.globalCompositeOperation = 'source-in';
          maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
          maskCtx.fillRect(0, 0, width, height);
          maskCtx.restore();
          ctx.save();
          ctx.transform.apply(ctx, image.transform);
          ctx.scale(1, -1);
          ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
          ctx.restore();
        }
      },
      paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
        var imgData = this.objs.get(objId);
        if (!imgData) {
          (0, _util.warn)('Dependent image isn\'t ready yet');
          return;
        }
        this.paintInlineImageXObject(imgData);
      },
      paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
        var imgData = this.objs.get(objId);
        if (!imgData) {
          (0, _util.warn)('Dependent image isn\'t ready yet');
          return;
        }
        var width = imgData.width;
        var height = imgData.height;
        var map = [];
        for (var i = 0, ii = positions.length; i < ii; i += 2) {
          map.push({
            transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
            x: 0,
            y: 0,
            w: width,
            h: height
          });
        }
        this.paintInlineImageXObjectGroup(imgData, map);
      },
      paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
        var width = imgData.width;
        var height = imgData.height;
        var ctx = this.ctx;
        this.save();
        ctx.scale(1 / width, -1 / height);
        var currentTransform = ctx.mozCurrentTransformInverse;
        var a = currentTransform[0],
            b = currentTransform[1];
        var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
        var c = currentTransform[2],
            d = currentTransform[3];
        var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
        var imgToPaint, tmpCanvas;
        if (typeof HTMLElement === 'function' && imgData instanceof HTMLElement || !imgData.data) {
          imgToPaint = imgData;
        } else {
          tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
          var tmpCtx = tmpCanvas.context;
          putBinaryImageData(tmpCtx, imgData);
          imgToPaint = tmpCanvas.canvas;
        }
        var paintWidth = width,
            paintHeight = height;
        var tmpCanvasId = 'prescale1';
        while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
          var newWidth = paintWidth,
              newHeight = paintHeight;
          if (widthScale > 2 && paintWidth > 1) {
            newWidth = Math.ceil(paintWidth / 2);
            widthScale /= paintWidth / newWidth;
          }
          if (heightScale > 2 && paintHeight > 1) {
            newHeight = Math.ceil(paintHeight / 2);
            heightScale /= paintHeight / newHeight;
          }
          tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
          tmpCtx = tmpCanvas.context;
          tmpCtx.clearRect(0, 0, newWidth, newHeight);
          tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
          imgToPaint = tmpCanvas.canvas;
          paintWidth = newWidth;
          paintHeight = newHeight;
          tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
        }
        ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
        if (this.imageLayer) {
          var position = this.getCanvasPosition(0, -height);
          this.imageLayer.appendImage({
            imgData: imgData,
            left: position[0],
            top: position[1],
            width: width / currentTransform[0],
            height: height / currentTransform[3]
          });
        }
        this.restore();
      },
      paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
        var ctx = this.ctx;
        var w = imgData.width;
        var h = imgData.height;
        var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
        var tmpCtx = tmpCanvas.context;
        putBinaryImageData(tmpCtx, imgData);
        for (var i = 0, ii = map.length; i < ii; i++) {
          var entry = map[i];
          ctx.save();
          ctx.transform.apply(ctx, entry.transform);
          ctx.scale(1, -1);
          ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
          if (this.imageLayer) {
            var position = this.getCanvasPosition(entry.x, entry.y);
            this.imageLayer.appendImage({
              imgData: imgData,
              left: position[0],
              top: position[1],
              width: w,
              height: h
            });
          }
          ctx.restore();
        }
      },
      paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
        this.ctx.fillRect(0, 0, 1, 1);
      },
      paintXObject: function CanvasGraphics_paintXObject() {
        (0, _util.warn)('Unsupported \'paintXObject\' command.');
      },
      markPoint: function CanvasGraphics_markPoint(tag) {},
      markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
      beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {},
      beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {},
      endMarkedContent: function CanvasGraphics_endMarkedContent() {},
      beginCompat: function CanvasGraphics_beginCompat() {},
      endCompat: function CanvasGraphics_endCompat() {},
      consumePath: function CanvasGraphics_consumePath() {
        var ctx = this.ctx;
        if (this.pendingClip) {
          if (this.pendingClip === EO_CLIP) {
            ctx.clip('evenodd');
          } else {
            ctx.clip();
          }
          this.pendingClip = null;
        }
        ctx.beginPath();
      },
      getSinglePixelWidth: function getSinglePixelWidth(scale) {
        if (this._cachedGetSinglePixelWidth === null) {
          var inverse = this.ctx.mozCurrentTransformInverse;
          this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
        }
        return this._cachedGetSinglePixelWidth;
      },
  
      getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
        var transform = this.ctx.mozCurrentTransform;
        return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
      }
    };
    for (var op in _util.OPS) {
      CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
    }
    return CanvasGraphics;
  }();
  exports.CanvasGraphics = CanvasGraphics;
  
  /***/ }),
  /* 127 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TilingPattern = exports.getShadingPatternFromIR = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  var ShadingIRs = {};
  ShadingIRs.RadialAxial = {
    fromIR: function RadialAxial_fromIR(raw) {
      var type = raw[1];
      var colorStops = raw[2];
      var p0 = raw[3];
      var p1 = raw[4];
      var r0 = raw[5];
      var r1 = raw[6];
      return {
        type: 'Pattern',
        getPattern: function RadialAxial_getPattern(ctx) {
          var grad;
          if (type === 'axial') {
            grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
          } else if (type === 'radial') {
            grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
          }
          for (var i = 0, ii = colorStops.length; i < ii; ++i) {
            var c = colorStops[i];
            grad.addColorStop(c[0], c[1]);
          }
          return grad;
        }
      };
    }
  };
  var createMeshCanvas = function createMeshCanvasClosure() {
    function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
      var coords = context.coords,
          colors = context.colors;
      var bytes = data.data,
          rowSize = data.width * 4;
      var tmp;
      if (coords[p1 + 1] > coords[p2 + 1]) {
        tmp = p1;
        p1 = p2;
        p2 = tmp;
        tmp = c1;
        c1 = c2;
        c2 = tmp;
      }
      if (coords[p2 + 1] > coords[p3 + 1]) {
        tmp = p2;
        p2 = p3;
        p3 = tmp;
        tmp = c2;
        c2 = c3;
        c3 = tmp;
      }
      if (coords[p1 + 1] > coords[p2 + 1]) {
        tmp = p1;
        p1 = p2;
        p2 = tmp;
        tmp = c1;
        c1 = c2;
        c2 = tmp;
      }
      var x1 = (coords[p1] + context.offsetX) * context.scaleX;
      var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
      var x2 = (coords[p2] + context.offsetX) * context.scaleX;
      var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
      var x3 = (coords[p3] + context.offsetX) * context.scaleX;
      var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
      if (y1 >= y3) {
        return;
      }
      var c1r = colors[c1],
          c1g = colors[c1 + 1],
          c1b = colors[c1 + 2];
      var c2r = colors[c2],
          c2g = colors[c2 + 1],
          c2b = colors[c2 + 2];
      var c3r = colors[c3],
          c3g = colors[c3 + 1],
          c3b = colors[c3 + 2];
      var minY = Math.round(y1),
          maxY = Math.round(y3);
      var xa, car, cag, cab;
      var xb, cbr, cbg, cbb;
      var k;
      for (var y = minY; y <= maxY; y++) {
        if (y < y2) {
          k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
          xa = x1 - (x1 - x2) * k;
          car = c1r - (c1r - c2r) * k;
          cag = c1g - (c1g - c2g) * k;
          cab = c1b - (c1b - c2b) * k;
        } else {
          k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
          xa = x2 - (x2 - x3) * k;
          car = c2r - (c2r - c3r) * k;
          cag = c2g - (c2g - c3g) * k;
          cab = c2b - (c2b - c3b) * k;
        }
        k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
        xb = x1 - (x1 - x3) * k;
        cbr = c1r - (c1r - c3r) * k;
        cbg = c1g - (c1g - c3g) * k;
        cbb = c1b - (c1b - c3b) * k;
        var x1_ = Math.round(Math.min(xa, xb));
        var x2_ = Math.round(Math.max(xa, xb));
        var j = rowSize * y + x1_ * 4;
        for (var x = x1_; x <= x2_; x++) {
          k = (xa - x) / (xa - xb);
          k = k < 0 ? 0 : k > 1 ? 1 : k;
          bytes[j++] = car - (car - cbr) * k | 0;
          bytes[j++] = cag - (cag - cbg) * k | 0;
          bytes[j++] = cab - (cab - cbb) * k | 0;
          bytes[j++] = 255;
        }
      }
    }
    function drawFigure(data, figure, context) {
      var ps = figure.coords;
      var cs = figure.colors;
      var i, ii;
      switch (figure.type) {
        case 'lattice':
          var verticesPerRow = figure.verticesPerRow;
          var rows = Math.floor(ps.length / verticesPerRow) - 1;
          var cols = verticesPerRow - 1;
          for (i = 0; i < rows; i++) {
            var q = i * verticesPerRow;
            for (var j = 0; j < cols; j++, q++) {
              drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
              drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
            }
          }
          break;
        case 'triangles':
          for (i = 0, ii = ps.length; i < ii; i += 3) {
            drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
          }
          break;
        default:
          throw new Error('illegal figure');
      }
    }
    function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
      var EXPECTED_SCALE = 1.1;
      var MAX_PATTERN_SIZE = 3000;
      var BORDER_SIZE = 2;
      var offsetX = Math.floor(bounds[0]);
      var offsetY = Math.floor(bounds[1]);
      var boundsWidth = Math.ceil(bounds[2]) - offsetX;
      var boundsHeight = Math.ceil(bounds[3]) - offsetY;
      var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
      var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
      var scaleX = boundsWidth / width;
      var scaleY = boundsHeight / height;
      var context = {
        coords: coords,
        colors: colors,
        offsetX: -offsetX,
        offsetY: -offsetY,
        scaleX: 1 / scaleX,
        scaleY: 1 / scaleY
      };
      var paddedWidth = width + BORDER_SIZE * 2;
      var paddedHeight = height + BORDER_SIZE * 2;
      var canvas, tmpCanvas, i, ii;
      if (webGLContext.isEnabled) {
        canvas = webGLContext.drawFigures({
          width: width,
          height: height,
          backgroundColor: backgroundColor,
          figures: figures,
          context: context
        });
        tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
        tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
        canvas = tmpCanvas.canvas;
      } else {
        tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
        var tmpCtx = tmpCanvas.context;
        var data = tmpCtx.createImageData(width, height);
        if (backgroundColor) {
          var bytes = data.data;
          for (i = 0, ii = bytes.length; i < ii; i += 4) {
            bytes[i] = backgroundColor[0];
            bytes[i + 1] = backgroundColor[1];
            bytes[i + 2] = backgroundColor[2];
            bytes[i + 3] = 255;
          }
        }
        for (i = 0; i < figures.length; i++) {
          drawFigure(data, figures[i], context);
        }
        tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
        canvas = tmpCanvas.canvas;
      }
      return {
        canvas: canvas,
        offsetX: offsetX - BORDER_SIZE * scaleX,
        offsetY: offsetY - BORDER_SIZE * scaleY,
        scaleX: scaleX,
        scaleY: scaleY
      };
    }
    return createMeshCanvas;
  }();
  ShadingIRs.Mesh = {
    fromIR: function Mesh_fromIR(raw) {
      var coords = raw[2];
      var colors = raw[3];
      var figures = raw[4];
      var bounds = raw[5];
      var matrix = raw[6];
      var background = raw[8];
      return {
        type: 'Pattern',
        getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
          var scale;
          if (shadingFill) {
            scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
          } else {
            scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
            if (matrix) {
              var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
              scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
            }
          }
          var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
          if (!shadingFill) {
            ctx.setTransform.apply(ctx, owner.baseTransform);
            if (matrix) {
              ctx.transform.apply(ctx, matrix);
            }
          }
          ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
          ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
          return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
        }
      };
    }
  };
  ShadingIRs.Dummy = {
    fromIR: function Dummy_fromIR() {
      return {
        type: 'Pattern',
        getPattern: function Dummy_fromIR_getPattern() {
          return 'hotpink';
        }
      };
    }
  };
  function getShadingPatternFromIR(raw) {
    var shadingIR = ShadingIRs[raw[0]];
    if (!shadingIR) {
      throw new Error('Unknown IR type: ' + raw[0]);
    }
    return shadingIR.fromIR(raw);
  }
  var TilingPattern = function TilingPatternClosure() {
    var PaintType = {
      COLORED: 1,
      UNCOLORED: 2
    };
    var MAX_PATTERN_SIZE = 3000;
    function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
      this.operatorList = IR[2];
      this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
      this.bbox = IR[4];
      this.xstep = IR[5];
      this.ystep = IR[6];
      this.paintType = IR[7];
      this.tilingType = IR[8];
      this.color = color;
      this.canvasGraphicsFactory = canvasGraphicsFactory;
      this.baseTransform = baseTransform;
      this.type = 'Pattern';
      this.ctx = ctx;
    }
    TilingPattern.prototype = {
      createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
        var operatorList = this.operatorList;
        var bbox = this.bbox;
        var xstep = this.xstep;
        var ystep = this.ystep;
        var paintType = this.paintType;
        var tilingType = this.tilingType;
        var color = this.color;
        var canvasGraphicsFactory = this.canvasGraphicsFactory;
        (0, _util.info)('TilingType: ' + tilingType);
        var x0 = bbox[0],
            y0 = bbox[1],
            x1 = bbox[2],
            y1 = bbox[3];
        var topLeft = [x0, y0];
        var botRight = [x0 + xstep, y0 + ystep];
        var width = botRight[0] - topLeft[0];
        var height = botRight[1] - topLeft[1];
        var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
        var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
        var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
        width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
        height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
        var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
        var tmpCtx = tmpCanvas.context;
        var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
        graphics.groupLevel = owner.groupLevel;
        this.setFillAndStrokeStyleToContext(graphics, paintType, color);
        this.setScale(width, height, xstep, ystep);
        this.transformToScale(graphics);
        var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]];
        graphics.transform.apply(graphics, tmpTranslate);
        this.clipBbox(graphics, bbox, x0, y0, x1, y1);
        graphics.executeOperatorList(operatorList);
        return tmpCanvas.canvas;
      },
      setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
        this.scale = [width / xstep, height / ystep];
      },
      transformToScale: function TilingPattern_transformToScale(graphics) {
        var scale = this.scale;
        var tmpScale = [scale[0], 0, 0, scale[1], 0, 0];
        graphics.transform.apply(graphics, tmpScale);
      },
      scaleToContext: function TilingPattern_scaleToContext() {
        var scale = this.scale;
        this.ctx.scale(1 / scale[0], 1 / scale[1]);
      },
      clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
        if (Array.isArray(bbox) && bbox.length === 4) {
          var bboxWidth = x1 - x0;
          var bboxHeight = y1 - y0;
          graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
          graphics.clip();
          graphics.endPath();
        }
      },
      setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
        var context = graphics.ctx,
            current = graphics.current;
        switch (paintType) {
          case PaintType.COLORED:
            var ctx = this.ctx;
            context.fillStyle = ctx.fillStyle;
            context.strokeStyle = ctx.strokeStyle;
            current.fillColor = ctx.fillStyle;
            current.strokeColor = ctx.strokeStyle;
            break;
          case PaintType.UNCOLORED:
            var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
            context.fillStyle = cssColor;
            context.strokeStyle = cssColor;
            current.fillColor = cssColor;
            current.strokeColor = cssColor;
            break;
          default:
            throw new _util.FormatError('Unsupported paint type: ' + paintType);
        }
      },
      getPattern: function TilingPattern_getPattern(ctx, owner) {
        var temporaryPatternCanvas = this.createPatternCanvas(owner);
        ctx = this.ctx;
        ctx.setTransform.apply(ctx, this.baseTransform);
        ctx.transform.apply(ctx, this.matrix);
        this.scaleToContext();
        return ctx.createPattern(temporaryPatternCanvas, 'repeat');
      }
    };
    return TilingPattern;
  }();
  exports.getShadingPatternFromIR = getShadingPatternFromIR;
  exports.TilingPattern = TilingPattern;
  
  /***/ }),
  /* 128 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  var GlobalWorkerOptions = Object.create(null);
  GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
  GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? '' : GlobalWorkerOptions.workerSrc;
  exports.GlobalWorkerOptions = GlobalWorkerOptions;
  
  /***/ }),
  /* 129 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.MessageHandler = undefined;
  
  var _regenerator = __w_pdfjs_require__(130);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  var resolveCall = function () {
    var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee(fn, args) {
      var thisArg = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
      return _regenerator2.default.wrap(function _callee$(_context) {
        while (1) {
          switch (_context.prev = _context.next) {
            case 0:
              if (fn) {
                _context.next = 2;
                break;
              }
  
              return _context.abrupt('return');
  
            case 2:
              return _context.abrupt('return', fn.apply(thisArg, args));
  
            case 3:
            case 'end':
              return _context.stop();
          }
        }
      }, _callee, this);
    }));
  
    return function resolveCall(_x2, _x3) {
      return _ref.apply(this, arguments);
    };
  }();
  
  var _util = __w_pdfjs_require__(1);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  function wrapReason(reason) {
    if ((typeof reason === 'undefined' ? 'undefined' : _typeof(reason)) !== 'object') {
      return reason;
    }
    switch (reason.name) {
      case 'AbortException':
        return new _util.AbortException(reason.message);
      case 'MissingPDFException':
        return new _util.MissingPDFException(reason.message);
      case 'UnexpectedResponseException':
        return new _util.UnexpectedResponseException(reason.message, reason.status);
      default:
        return new _util.UnknownErrorException(reason.message, reason.details);
    }
  }
  function makeReasonSerializable(reason) {
    if (!(reason instanceof Error) || reason instanceof _util.AbortException || reason instanceof _util.MissingPDFException || reason instanceof _util.UnexpectedResponseException || reason instanceof _util.UnknownErrorException) {
      return reason;
    }
    return new _util.UnknownErrorException(reason.message, reason.toString());
  }
  function resolveOrReject(capability, success, reason) {
    if (success) {
      capability.resolve();
    } else {
      capability.reject(reason);
    }
  }
  function finalize(promise) {
    return Promise.resolve(promise).catch(function () {});
  }
  function MessageHandler(sourceName, targetName, comObj) {
    var _this = this;
  
    this.sourceName = sourceName;
    this.targetName = targetName;
    this.comObj = comObj;
    this.callbackId = 1;
    this.streamId = 1;
    this.postMessageTransfers = true;
    this.streamSinks = Object.create(null);
    this.streamControllers = Object.create(null);
    var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
    var ah = this.actionHandler = Object.create(null);
    this._onComObjOnMessage = function (event) {
      var data = event.data;
      if (data.targetName !== _this.sourceName) {
        return;
      }
      if (data.stream) {
        _this._processStreamMessage(data);
      } else if (data.isReply) {
        var callbackId = data.callbackId;
        if (data.callbackId in callbacksCapabilities) {
          var callback = callbacksCapabilities[callbackId];
          delete callbacksCapabilities[callbackId];
          if ('error' in data) {
            callback.reject(wrapReason(data.error));
          } else {
            callback.resolve(data.data);
          }
        } else {
          throw new Error('Cannot resolve callback ' + callbackId);
        }
      } else if (data.action in ah) {
        var action = ah[data.action];
        if (data.callbackId) {
          var _sourceName = _this.sourceName;
          var _targetName = data.sourceName;
          Promise.resolve().then(function () {
            return action[0].call(action[1], data.data);
          }).then(function (result) {
            comObj.postMessage({
              sourceName: _sourceName,
              targetName: _targetName,
              isReply: true,
              callbackId: data.callbackId,
              data: result
            });
          }, function (reason) {
            comObj.postMessage({
              sourceName: _sourceName,
              targetName: _targetName,
              isReply: true,
              callbackId: data.callbackId,
              error: makeReasonSerializable(reason)
            });
          });
        } else if (data.streamId) {
          _this._createStreamSink(data);
        } else {
          action[0].call(action[1], data.data);
        }
      } else {
        throw new Error('Unknown action from worker: ' + data.action);
      }
    };
    comObj.addEventListener('message', this._onComObjOnMessage);
  }
  MessageHandler.prototype = {
    on: function on(actionName, handler, scope) {
      var ah = this.actionHandler;
      if (ah[actionName]) {
        throw new Error('There is already an actionName called "' + actionName + '"');
      }
      ah[actionName] = [handler, scope];
    },
    send: function send(actionName, data, transfers) {
      var message = {
        sourceName: this.sourceName,
        targetName: this.targetName,
        action: actionName,
        data: data
      };
      this.postMessage(message, transfers);
    },
    sendWithPromise: function sendWithPromise(actionName, data, transfers) {
      var callbackId = this.callbackId++;
      var message = {
        sourceName: this.sourceName,
        targetName: this.targetName,
        action: actionName,
        data: data,
        callbackId: callbackId
      };
      var capability = (0, _util.createPromiseCapability)();
      this.callbacksCapabilities[callbackId] = capability;
      try {
        this.postMessage(message, transfers);
      } catch (e) {
        capability.reject(e);
      }
      return capability.promise;
    },
    sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) {
      var _this2 = this;
  
      var streamId = this.streamId++;
      var sourceName = this.sourceName;
      var targetName = this.targetName;
      return new _util.ReadableStream({
        start: function start(controller) {
          var startCapability = (0, _util.createPromiseCapability)();
          _this2.streamControllers[streamId] = {
            controller: controller,
            startCall: startCapability,
            isClosed: false
          };
          _this2.postMessage({
            sourceName: sourceName,
            targetName: targetName,
            action: actionName,
            streamId: streamId,
            data: data,
            desiredSize: controller.desiredSize
          });
          return startCapability.promise;
        },
        pull: function pull(controller) {
          var pullCapability = (0, _util.createPromiseCapability)();
          _this2.streamControllers[streamId].pullCall = pullCapability;
          _this2.postMessage({
            sourceName: sourceName,
            targetName: targetName,
            stream: 'pull',
            streamId: streamId,
            desiredSize: controller.desiredSize
          });
          return pullCapability.promise;
        },
        cancel: function cancel(reason) {
          var cancelCapability = (0, _util.createPromiseCapability)();
          _this2.streamControllers[streamId].cancelCall = cancelCapability;
          _this2.streamControllers[streamId].isClosed = true;
          _this2.postMessage({
            sourceName: sourceName,
            targetName: targetName,
            stream: 'cancel',
            reason: reason,
            streamId: streamId
          });
          return cancelCapability.promise;
        }
      }, queueingStrategy);
    },
    _createStreamSink: function _createStreamSink(data) {
      var _this3 = this;
  
      var self = this;
      var action = this.actionHandler[data.action];
      var streamId = data.streamId;
      var desiredSize = data.desiredSize;
      var sourceName = this.sourceName;
      var targetName = data.sourceName;
      var capability = (0, _util.createPromiseCapability)();
      var sendStreamRequest = function sendStreamRequest(_ref2) {
        var stream = _ref2.stream,
            chunk = _ref2.chunk,
            transfers = _ref2.transfers,
            success = _ref2.success,
            reason = _ref2.reason;
  
        _this3.postMessage({
          sourceName: sourceName,
          targetName: targetName,
          stream: stream,
          streamId: streamId,
          chunk: chunk,
          success: success,
          reason: reason
        }, transfers);
      };
      var streamSink = {
        enqueue: function enqueue(chunk) {
          var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
          var transfers = arguments[2];
  
          if (this.isCancelled) {
            return;
          }
          var lastDesiredSize = this.desiredSize;
          this.desiredSize -= size;
          if (lastDesiredSize > 0 && this.desiredSize <= 0) {
            this.sinkCapability = (0, _util.createPromiseCapability)();
            this.ready = this.sinkCapability.promise;
          }
          sendStreamRequest({
            stream: 'enqueue',
            chunk: chunk,
            transfers: transfers
          });
        },
        close: function close() {
          if (this.isCancelled) {
            return;
          }
          this.isCancelled = true;
          sendStreamRequest({ stream: 'close' });
          delete self.streamSinks[streamId];
        },
        error: function error(reason) {
          if (this.isCancelled) {
            return;
          }
          this.isCancelled = true;
          sendStreamRequest({
            stream: 'error',
            reason: reason
          });
        },
  
        sinkCapability: capability,
        onPull: null,
        onCancel: null,
        isCancelled: false,
        desiredSize: desiredSize,
        ready: null
      };
      streamSink.sinkCapability.resolve();
      streamSink.ready = streamSink.sinkCapability.promise;
      this.streamSinks[streamId] = streamSink;
      resolveCall(action[0], [data.data, streamSink], action[1]).then(function () {
        sendStreamRequest({
          stream: 'start_complete',
          success: true
        });
      }, function (reason) {
        sendStreamRequest({
          stream: 'start_complete',
          success: false,
          reason: reason
        });
      });
    },
    _processStreamMessage: function _processStreamMessage(data) {
      var _this4 = this;
  
      var sourceName = this.sourceName;
      var targetName = data.sourceName;
      var streamId = data.streamId;
      var sendStreamResponse = function sendStreamResponse(_ref3) {
        var stream = _ref3.stream,
            success = _ref3.success,
            reason = _ref3.reason;
  
        _this4.comObj.postMessage({
          sourceName: sourceName,
          targetName: targetName,
          stream: stream,
          success: success,
          streamId: streamId,
          reason: reason
        });
      };
      var deleteStreamController = function deleteStreamController() {
        Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) {
          return capability && finalize(capability.promise);
        })).then(function () {
          delete _this4.streamControllers[data.streamId];
        });
      };
      switch (data.stream) {
        case 'start_complete':
          resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason));
          break;
        case 'pull_complete':
          resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason));
          break;
        case 'pull':
          if (!this.streamSinks[data.streamId]) {
            sendStreamResponse({
              stream: 'pull_complete',
              success: true
            });
            break;
          }
          if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) {
            this.streamSinks[data.streamId].sinkCapability.resolve();
          }
          this.streamSinks[data.streamId].desiredSize = data.desiredSize;
          resolveCall(this.streamSinks[data.streamId].onPull).then(function () {
            sendStreamResponse({
              stream: 'pull_complete',
              success: true
            });
          }, function (reason) {
            sendStreamResponse({
              stream: 'pull_complete',
              success: false,
              reason: reason
            });
          });
          break;
        case 'enqueue':
          (0, _util.assert)(this.streamControllers[data.streamId], 'enqueue should have stream controller');
          if (!this.streamControllers[data.streamId].isClosed) {
            this.streamControllers[data.streamId].controller.enqueue(data.chunk);
          }
          break;
        case 'close':
          (0, _util.assert)(this.streamControllers[data.streamId], 'close should have stream controller');
          if (this.streamControllers[data.streamId].isClosed) {
            break;
          }
          this.streamControllers[data.streamId].isClosed = true;
          this.streamControllers[data.streamId].controller.close();
          deleteStreamController();
          break;
        case 'error':
          (0, _util.assert)(this.streamControllers[data.streamId], 'error should have stream controller');
          this.streamControllers[data.streamId].controller.error(wrapReason(data.reason));
          deleteStreamController();
          break;
        case 'cancel_complete':
          resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason));
          deleteStreamController();
          break;
        case 'cancel':
          if (!this.streamSinks[data.streamId]) {
            break;
          }
          resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () {
            sendStreamResponse({
              stream: 'cancel_complete',
              success: true
            });
          }, function (reason) {
            sendStreamResponse({
              stream: 'cancel_complete',
              success: false,
              reason: reason
            });
          });
          this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason));
          this.streamSinks[data.streamId].isCancelled = true;
          delete this.streamSinks[data.streamId];
          break;
        default:
          throw new Error('Unexpected stream case');
      }
    },
    postMessage: function postMessage(message, transfers) {
      if (transfers && this.postMessageTransfers) {
        this.comObj.postMessage(message, transfers);
      } else {
        this.comObj.postMessage(message);
      }
    },
    destroy: function destroy() {
      this.comObj.removeEventListener('message', this._onComObjOnMessage);
    }
  };
  exports.MessageHandler = MessageHandler;
  
  /***/ }),
  /* 130 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = __w_pdfjs_require__(131);
  
  /***/ }),
  /* 131 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var g = function () {
    return this;
  }() || Function("return this")();
  var hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
  var oldRuntime = hadRuntime && g.regeneratorRuntime;
  g.regeneratorRuntime = undefined;
  module.exports = __w_pdfjs_require__(132);
  if (hadRuntime) {
    g.regeneratorRuntime = oldRuntime;
  } else {
    try {
      delete g.regeneratorRuntime;
    } catch (e) {
      g.regeneratorRuntime = undefined;
    }
  }
  
  /***/ }),
  /* 132 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  /* WEBPACK VAR INJECTION */(function(module) {
  
  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
  !function (global) {
    "use strict";
  
    var Op = Object.prototype;
    var hasOwn = Op.hasOwnProperty;
    var undefined;
    var $Symbol = typeof Symbol === "function" ? Symbol : {};
    var iteratorSymbol = $Symbol.iterator || "@@iterator";
    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
    var inModule = ( false ? undefined : _typeof(module)) === "object";
    var runtime = global.regeneratorRuntime;
    if (runtime) {
      if (inModule) {
        module.exports = runtime;
      }
      return;
    }
    runtime = global.regeneratorRuntime = inModule ? module.exports : {};
    function wrap(innerFn, outerFn, self, tryLocsList) {
      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
      var generator = Object.create(protoGenerator.prototype);
      var context = new Context(tryLocsList || []);
      generator._invoke = makeInvokeMethod(innerFn, self, context);
      return generator;
    }
    runtime.wrap = wrap;
    function tryCatch(fn, obj, arg) {
      try {
        return {
          type: "normal",
          arg: fn.call(obj, arg)
        };
      } catch (err) {
        return {
          type: "throw",
          arg: err
        };
      }
    }
    var GenStateSuspendedStart = "suspendedStart";
    var GenStateSuspendedYield = "suspendedYield";
    var GenStateExecuting = "executing";
    var GenStateCompleted = "completed";
    var ContinueSentinel = {};
    function Generator() {}
    function GeneratorFunction() {}
    function GeneratorFunctionPrototype() {}
    var IteratorPrototype = {};
    IteratorPrototype[iteratorSymbol] = function () {
      return this;
    };
    var getProto = Object.getPrototypeOf;
    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
    if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
      IteratorPrototype = NativeIteratorPrototype;
    }
    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
    GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
    GeneratorFunctionPrototype.constructor = GeneratorFunction;
    GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
    function defineIteratorMethods(prototype) {
      ["next", "throw", "return"].forEach(function (method) {
        prototype[method] = function (arg) {
          return this._invoke(method, arg);
        };
      });
    }
    runtime.isGeneratorFunction = function (genFun) {
      var ctor = typeof genFun === "function" && genFun.constructor;
      return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
    };
    runtime.mark = function (genFun) {
      if (Object.setPrototypeOf) {
        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
      } else {
        genFun.__proto__ = GeneratorFunctionPrototype;
        if (!(toStringTagSymbol in genFun)) {
          genFun[toStringTagSymbol] = "GeneratorFunction";
        }
      }
      genFun.prototype = Object.create(Gp);
      return genFun;
    };
    runtime.awrap = function (arg) {
      return { __await: arg };
    };
    function AsyncIterator(generator) {
      function invoke(method, arg, resolve, reject) {
        var record = tryCatch(generator[method], generator, arg);
        if (record.type === "throw") {
          reject(record.arg);
        } else {
          var result = record.arg;
          var value = result.value;
          if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && hasOwn.call(value, "__await")) {
            return Promise.resolve(value.__await).then(function (value) {
              invoke("next", value, resolve, reject);
            }, function (err) {
              invoke("throw", err, resolve, reject);
            });
          }
          return Promise.resolve(value).then(function (unwrapped) {
            result.value = unwrapped;
            resolve(result);
          }, reject);
        }
      }
      var previousPromise;
      function enqueue(method, arg) {
        function callInvokeWithMethodAndArg() {
          return new Promise(function (resolve, reject) {
            invoke(method, arg, resolve, reject);
          });
        }
        return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
      }
      this._invoke = enqueue;
    }
    defineIteratorMethods(AsyncIterator.prototype);
    AsyncIterator.prototype[asyncIteratorSymbol] = function () {
      return this;
    };
    runtime.AsyncIterator = AsyncIterator;
    runtime.async = function (innerFn, outerFn, self, tryLocsList) {
      var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
      return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
        return result.done ? result.value : iter.next();
      });
    };
    function makeInvokeMethod(innerFn, self, context) {
      var state = GenStateSuspendedStart;
      return function invoke(method, arg) {
        if (state === GenStateExecuting) {
          throw new Error("Generator is already running");
        }
        if (state === GenStateCompleted) {
          if (method === "throw") {
            throw arg;
          }
          return doneResult();
        }
        context.method = method;
        context.arg = arg;
        while (true) {
          var delegate = context.delegate;
          if (delegate) {
            var delegateResult = maybeInvokeDelegate(delegate, context);
            if (delegateResult) {
              if (delegateResult === ContinueSentinel) continue;
              return delegateResult;
            }
          }
          if (context.method === "next") {
            context.sent = context._sent = context.arg;
          } else if (context.method === "throw") {
            if (state === GenStateSuspendedStart) {
              state = GenStateCompleted;
              throw context.arg;
            }
            context.dispatchException(context.arg);
          } else if (context.method === "return") {
            context.abrupt("return", context.arg);
          }
          state = GenStateExecuting;
          var record = tryCatch(innerFn, self, context);
          if (record.type === "normal") {
            state = context.done ? GenStateCompleted : GenStateSuspendedYield;
            if (record.arg === ContinueSentinel) {
              continue;
            }
            return {
              value: record.arg,
              done: context.done
            };
          } else if (record.type === "throw") {
            state = GenStateCompleted;
            context.method = "throw";
            context.arg = record.arg;
          }
        }
      };
    }
    function maybeInvokeDelegate(delegate, context) {
      var method = delegate.iterator[context.method];
      if (method === undefined) {
        context.delegate = null;
        if (context.method === "throw") {
          if (delegate.iterator.return) {
            context.method = "return";
            context.arg = undefined;
            maybeInvokeDelegate(delegate, context);
            if (context.method === "throw") {
              return ContinueSentinel;
            }
          }
          context.method = "throw";
          context.arg = new TypeError("The iterator does not provide a 'throw' method");
        }
        return ContinueSentinel;
      }
      var record = tryCatch(method, delegate.iterator, context.arg);
      if (record.type === "throw") {
        context.method = "throw";
        context.arg = record.arg;
        context.delegate = null;
        return ContinueSentinel;
      }
      var info = record.arg;
      if (!info) {
        context.method = "throw";
        context.arg = new TypeError("iterator result is not an object");
        context.delegate = null;
        return ContinueSentinel;
      }
      if (info.done) {
        context[delegate.resultName] = info.value;
        context.next = delegate.nextLoc;
        if (context.method !== "return") {
          context.method = "next";
          context.arg = undefined;
        }
      } else {
        return info;
      }
      context.delegate = null;
      return ContinueSentinel;
    }
    defineIteratorMethods(Gp);
    Gp[toStringTagSymbol] = "Generator";
    Gp[iteratorSymbol] = function () {
      return this;
    };
    Gp.toString = function () {
      return "[object Generator]";
    };
    function pushTryEntry(locs) {
      var entry = { tryLoc: locs[0] };
      if (1 in locs) {
        entry.catchLoc = locs[1];
      }
      if (2 in locs) {
        entry.finallyLoc = locs[2];
        entry.afterLoc = locs[3];
      }
      this.tryEntries.push(entry);
    }
    function resetTryEntry(entry) {
      var record = entry.completion || {};
      record.type = "normal";
      delete record.arg;
      entry.completion = record;
    }
    function Context(tryLocsList) {
      this.tryEntries = [{ tryLoc: "root" }];
      tryLocsList.forEach(pushTryEntry, this);
      this.reset(true);
    }
    runtime.keys = function (object) {
      var keys = [];
      for (var key in object) {
        keys.push(key);
      }
      keys.reverse();
      return function next() {
        while (keys.length) {
          var key = keys.pop();
          if (key in object) {
            next.value = key;
            next.done = false;
            return next;
          }
        }
        next.done = true;
        return next;
      };
    };
    function values(iterable) {
      if (iterable) {
        var iteratorMethod = iterable[iteratorSymbol];
        if (iteratorMethod) {
          return iteratorMethod.call(iterable);
        }
        if (typeof iterable.next === "function") {
          return iterable;
        }
        if (!isNaN(iterable.length)) {
          var i = -1,
              next = function next() {
            while (++i < iterable.length) {
              if (hasOwn.call(iterable, i)) {
                next.value = iterable[i];
                next.done = false;
                return next;
              }
            }
            next.value = undefined;
            next.done = true;
            return next;
          };
          return next.next = next;
        }
      }
      return { next: doneResult };
    }
    runtime.values = values;
    function doneResult() {
      return {
        value: undefined,
        done: true
      };
    }
    Context.prototype = {
      constructor: Context,
      reset: function reset(skipTempReset) {
        this.prev = 0;
        this.next = 0;
        this.sent = this._sent = undefined;
        this.done = false;
        this.delegate = null;
        this.method = "next";
        this.arg = undefined;
        this.tryEntries.forEach(resetTryEntry);
        if (!skipTempReset) {
          for (var name in this) {
            if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
              this[name] = undefined;
            }
          }
        }
      },
      stop: function stop() {
        this.done = true;
        var rootEntry = this.tryEntries[0];
        var rootRecord = rootEntry.completion;
        if (rootRecord.type === "throw") {
          throw rootRecord.arg;
        }
        return this.rval;
      },
      dispatchException: function dispatchException(exception) {
        if (this.done) {
          throw exception;
        }
        var context = this;
        function handle(loc, caught) {
          record.type = "throw";
          record.arg = exception;
          context.next = loc;
          if (caught) {
            context.method = "next";
            context.arg = undefined;
          }
          return !!caught;
        }
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          var record = entry.completion;
          if (entry.tryLoc === "root") {
            return handle("end");
          }
          if (entry.tryLoc <= this.prev) {
            var hasCatch = hasOwn.call(entry, "catchLoc");
            var hasFinally = hasOwn.call(entry, "finallyLoc");
            if (hasCatch && hasFinally) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              } else if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else if (hasCatch) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              }
            } else if (hasFinally) {
              if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else {
              throw new Error("try statement without catch or finally");
            }
          }
        }
      },
      abrupt: function abrupt(type, arg) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
            var finallyEntry = entry;
            break;
          }
        }
        if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
          finallyEntry = null;
        }
        var record = finallyEntry ? finallyEntry.completion : {};
        record.type = type;
        record.arg = arg;
        if (finallyEntry) {
          this.method = "next";
          this.next = finallyEntry.finallyLoc;
          return ContinueSentinel;
        }
        return this.complete(record);
      },
      complete: function complete(record, afterLoc) {
        if (record.type === "throw") {
          throw record.arg;
        }
        if (record.type === "break" || record.type === "continue") {
          this.next = record.arg;
        } else if (record.type === "return") {
          this.rval = this.arg = record.arg;
          this.method = "return";
          this.next = "end";
        } else if (record.type === "normal" && afterLoc) {
          this.next = afterLoc;
        }
        return ContinueSentinel;
      },
      finish: function finish(finallyLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.finallyLoc === finallyLoc) {
            this.complete(entry.completion, entry.afterLoc);
            resetTryEntry(entry);
            return ContinueSentinel;
          }
        }
      },
      "catch": function _catch(tryLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          if (entry.tryLoc === tryLoc) {
            var record = entry.completion;
            if (record.type === "throw") {
              var thrown = record.arg;
              resetTryEntry(entry);
            }
            return thrown;
          }
        }
        throw new Error("illegal catch attempt");
      },
      delegateYield: function delegateYield(iterable, resultName, nextLoc) {
        this.delegate = {
          iterator: values(iterable),
          resultName: resultName,
          nextLoc: nextLoc
        };
        if (this.method === "next") {
          this.arg = undefined;
        }
        return ContinueSentinel;
      }
    };
  }(function () {
    return this;
  }() || Function("return this")());
  /* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(133)(module)))
  
  /***/ }),
  /* 133 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  module.exports = function (module) {
    if (!module.webpackPolyfill) {
      module.deprecate = function () {};
      module.paths = [];
      if (!module.children) module.children = [];
      Object.defineProperty(module, "loaded", {
        enumerable: true,
        get: function get() {
          return module.l;
        }
      });
      Object.defineProperty(module, "id", {
        enumerable: true,
        get: function get() {
          return module.i;
        }
      });
      module.webpackPolyfill = 1;
    }
    return module;
  };
  
  /***/ }),
  /* 134 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Metadata = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _util = __w_pdfjs_require__(1);
  
  var _xml_parser = __w_pdfjs_require__(135);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var Metadata = function () {
    function Metadata(data) {
      _classCallCheck(this, Metadata);
  
      (0, _util.assert)(typeof data === 'string', 'Metadata: input is not a string');
      data = this._repair(data);
      var parser = new _xml_parser.SimpleXMLParser();
      var xmlDocument = parser.parseFromString(data);
      this._metadata = Object.create(null);
      if (xmlDocument) {
        this._parse(xmlDocument);
      }
    }
  
    _createClass(Metadata, [{
      key: '_repair',
      value: function _repair(data) {
        return data.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
          var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
            return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
          }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
            switch (name) {
              case 'amp':
                return '&';
              case 'apos':
                return '\'';
              case 'gt':
                return '>';
              case 'lt':
                return '<';
              case 'quot':
                return '\"';
            }
            throw new Error('_repair: ' + name + ' isn\'t defined.');
          });
          var chars = '';
          for (var i = 0, ii = bytes.length; i < ii; i += 2) {
            var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
            if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
              chars += String.fromCharCode(code);
            } else {
              chars += '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
            }
          }
          return '>' + chars;
        });
      }
    }, {
      key: '_parse',
      value: function _parse(xmlDocument) {
        var rdf = xmlDocument.documentElement;
        if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
          rdf = rdf.firstChild;
          while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
            rdf = rdf.nextSibling;
          }
        }
        var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
        if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
          return;
        }
        var children = rdf.childNodes;
        for (var i = 0, ii = children.length; i < ii; i++) {
          var desc = children[i];
          if (desc.nodeName.toLowerCase() !== 'rdf:description') {
            continue;
          }
          for (var j = 0, jj = desc.childNodes.length; j < jj; j++) {
            if (desc.childNodes[j].nodeName.toLowerCase() !== '#text') {
              var entry = desc.childNodes[j];
              var name = entry.nodeName.toLowerCase();
              this._metadata[name] = entry.textContent.trim();
            }
          }
        }
      }
    }, {
      key: 'get',
      value: function get(name) {
        return this._metadata[name] || null;
      }
    }, {
      key: 'getAll',
      value: function getAll() {
        return this._metadata;
      }
    }, {
      key: 'has',
      value: function has(name) {
        return typeof this._metadata[name] !== 'undefined';
      }
    }]);
  
    return Metadata;
  }();
  
  exports.Metadata = Metadata;
  
  /***/ }),
  /* 135 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
  var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var XMLParserErrorCode = {
    NoError: 0,
    EndOfDocument: -1,
    UnterminatedCdat: -2,
    UnterminatedXmlDeclaration: -3,
    UnterminatedDoctypeDeclaration: -4,
    UnterminatedComment: -5,
    MalformedElement: -6,
    OutOfMemory: -7,
    UnterminatedAttributeValue: -8,
    UnterminatedElement: -9,
    ElementNeverBegun: -10
  };
  function isWhitespace(s, index) {
    var ch = s[index];
    return ch === ' ' || ch === '\n' || ch === '\r' || ch === '\t';
  }
  function isWhitespaceString(s) {
    for (var i = 0, ii = s.length; i < ii; i++) {
      if (!isWhitespace(s, i)) {
        return false;
      }
    }
    return true;
  }
  
  var XMLParserBase = function () {
    function XMLParserBase() {
      _classCallCheck(this, XMLParserBase);
    }
  
    _createClass(XMLParserBase, [{
      key: '_resolveEntities',
      value: function _resolveEntities(s) {
        return s.replace(/&([^;]+);/g, function (all, entity) {
          if (entity.substring(0, 2) === '#x') {
            return String.fromCharCode(parseInt(entity.substring(2), 16));
          } else if (entity.substring(0, 1) === '#') {
            return String.fromCharCode(parseInt(entity.substring(1), 10));
          }
          switch (entity) {
            case 'lt':
              return '<';
            case 'gt':
              return '>';
            case 'amp':
              return '&';
            case 'quot':
              return '\"';
          }
          return this.onResolveEntity(entity);
        });
      }
    }, {
      key: '_parseContent',
      value: function _parseContent(s, start) {
        var pos = start,
            name = void 0,
            attributes = [];
        function skipWs() {
          while (pos < s.length && isWhitespace(s, pos)) {
            ++pos;
          }
        }
        while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
          ++pos;
        }
        name = s.substring(start, pos);
        skipWs();
        while (pos < s.length && s[pos] !== '>' && s[pos] !== '/' && s[pos] !== '?') {
          skipWs();
          var attrName = '',
              attrValue = '';
          while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '=') {
            attrName += s[pos];
            ++pos;
          }
          skipWs();
          if (s[pos] !== '=') {
            return null;
          }
          ++pos;
          skipWs();
          var attrEndChar = s[pos];
          if (attrEndChar !== '\"' && attrEndChar !== '\'') {
            return null;
          }
          var attrEndIndex = s.indexOf(attrEndChar, ++pos);
          if (attrEndIndex < 0) {
            return null;
          }
          attrValue = s.substring(pos, attrEndIndex);
          attributes.push({
            name: attrName,
            value: this._resolveEntities(attrValue)
          });
          pos = attrEndIndex + 1;
          skipWs();
        }
        return {
          name: name,
          attributes: attributes,
          parsed: pos - start
        };
      }
    }, {
      key: '_parseProcessingInstruction',
      value: function _parseProcessingInstruction(s, start) {
        var pos = start,
            name = void 0,
            value = void 0;
        function skipWs() {
          while (pos < s.length && isWhitespace(s, pos)) {
            ++pos;
          }
        }
        while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
          ++pos;
        }
        name = s.substring(start, pos);
        skipWs();
        var attrStart = pos;
        while (pos < s.length && (s[pos] !== '?' || s[pos + 1] !== '>')) {
          ++pos;
        }
        value = s.substring(attrStart, pos);
        return {
          name: name,
          value: value,
          parsed: pos - start
        };
      }
    }, {
      key: 'parseXml',
      value: function parseXml(s) {
        var i = 0;
        while (i < s.length) {
          var ch = s[i];
          var j = i;
          if (ch === '<') {
            ++j;
            var ch2 = s[j];
            var q = void 0;
            switch (ch2) {
              case '/':
                ++j;
                q = s.indexOf('>', j);
                if (q < 0) {
                  this.onError(XMLParserErrorCode.UnterminatedElement);
                  return;
                }
                this.onEndElement(s.substring(j, q));
                j = q + 1;
                break;
              case '?':
                ++j;
                var pi = this._parseProcessingInstruction(s, j);
                if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== '?>') {
                  this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
                  return;
                }
                this.onPi(pi.name, pi.value);
                j += pi.parsed + 2;
                break;
              case '!':
                if (s.substring(j + 1, j + 3) === '--') {
                  q = s.indexOf('-->', j + 3);
                  if (q < 0) {
                    this.onError(XMLParserErrorCode.UnterminatedComment);
                    return;
                  }
                  this.onComment(s.substring(j + 3, q));
                  j = q + 3;
                } else if (s.substring(j + 1, j + 8) === '[CDATA[') {
                  q = s.indexOf(']]>', j + 8);
                  if (q < 0) {
                    this.onError(XMLParserErrorCode.UnterminatedCdat);
                    return;
                  }
                  this.onCdata(s.substring(j + 8, q));
                  j = q + 3;
                } else if (s.substring(j + 1, j + 8) === 'DOCTYPE') {
                  var q2 = s.indexOf('[', j + 8);
                  var complexDoctype = false;
                  q = s.indexOf('>', j + 8);
                  if (q < 0) {
                    this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
                    return;
                  }
                  if (q2 > 0 && q > q2) {
                    q = s.indexOf(']>', j + 8);
                    if (q < 0) {
                      this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
                      return;
                    }
                    complexDoctype = true;
                  }
                  var doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
                  this.onDoctype(doctypeContent);
                  j = q + (complexDoctype ? 2 : 1);
                } else {
                  this.onError(XMLParserErrorCode.MalformedElement);
                  return;
                }
                break;
              default:
                var content = this._parseContent(s, j);
                if (content === null) {
                  this.onError(XMLParserErrorCode.MalformedElement);
                  return;
                }
                var isClosed = false;
                if (s.substring(j + content.parsed, j + content.parsed + 2) === '/>') {
                  isClosed = true;
                } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== '>') {
                  this.onError(XMLParserErrorCode.UnterminatedElement);
                  return;
                }
                this.onBeginElement(content.name, content.attributes, isClosed);
                j += content.parsed + (isClosed ? 2 : 1);
                break;
            }
          } else {
            while (j < s.length && s[j] !== '<') {
              j++;
            }
            var text = s.substring(i, j);
            this.onText(this._resolveEntities(text));
          }
          i = j;
        }
      }
    }, {
      key: 'onResolveEntity',
      value: function onResolveEntity(name) {
        return '&' + name + ';';
      }
    }, {
      key: 'onPi',
      value: function onPi(name, value) {}
    }, {
      key: 'onComment',
      value: function onComment(text) {}
    }, {
      key: 'onCdata',
      value: function onCdata(text) {}
    }, {
      key: 'onDoctype',
      value: function onDoctype(doctypeContent) {}
    }, {
      key: 'onText',
      value: function onText(text) {}
    }, {
      key: 'onBeginElement',
      value: function onBeginElement(name, attributes, isEmpty) {}
    }, {
      key: 'onEndElement',
      value: function onEndElement(name) {}
    }, {
      key: 'onError',
      value: function onError(code) {}
    }]);
  
    return XMLParserBase;
  }();
  
  var SimpleDOMNode = function () {
    function SimpleDOMNode(nodeName, nodeValue) {
      _classCallCheck(this, SimpleDOMNode);
  
      this.nodeName = nodeName;
      this.nodeValue = nodeValue;
      Object.defineProperty(this, 'parentNode', {
        value: null,
        writable: true
      });
    }
  
    _createClass(SimpleDOMNode, [{
      key: 'hasChildNodes',
      value: function hasChildNodes() {
        return this.childNodes && this.childNodes.length > 0;
      }
    }, {
      key: 'firstChild',
      get: function get() {
        return this.childNodes[0];
      }
    }, {
      key: 'nextSibling',
      get: function get() {
        var index = this.parentNode.childNodes.indexOf(this);
        return this.parentNode.childNodes[index + 1];
      }
    }, {
      key: 'textContent',
      get: function get() {
        if (!this.childNodes) {
          return this.nodeValue || '';
        }
        return this.childNodes.map(function (child) {
          return child.textContent;
        }).join('');
      }
    }]);
  
    return SimpleDOMNode;
  }();
  
  var SimpleXMLParser = function (_XMLParserBase) {
    _inherits(SimpleXMLParser, _XMLParserBase);
  
    function SimpleXMLParser() {
      _classCallCheck(this, SimpleXMLParser);
  
      var _this = _possibleConstructorReturn(this, (SimpleXMLParser.__proto__ || Object.getPrototypeOf(SimpleXMLParser)).call(this));
  
      _this._currentFragment = null;
      _this._stack = null;
      _this._errorCode = XMLParserErrorCode.NoError;
      return _this;
    }
  
    _createClass(SimpleXMLParser, [{
      key: 'parseFromString',
      value: function parseFromString(data) {
        this._currentFragment = [];
        this._stack = [];
        this._errorCode = XMLParserErrorCode.NoError;
        this.parseXml(data);
        if (this._errorCode !== XMLParserErrorCode.NoError) {
          return undefined;
        }
  
        var _currentFragment = _slicedToArray(this._currentFragment, 1),
            documentElement = _currentFragment[0];
  
        if (!documentElement) {
          return undefined;
        }
        return { documentElement: documentElement };
      }
    }, {
      key: 'onResolveEntity',
      value: function onResolveEntity(name) {
        switch (name) {
          case 'apos':
            return '\'';
        }
        return _get(SimpleXMLParser.prototype.__proto__ || Object.getPrototypeOf(SimpleXMLParser.prototype), 'onResolveEntity', this).call(this, name);
      }
    }, {
      key: 'onText',
      value: function onText(text) {
        if (isWhitespaceString(text)) {
          return;
        }
        var node = new SimpleDOMNode('#text', text);
        this._currentFragment.push(node);
      }
    }, {
      key: 'onCdata',
      value: function onCdata(text) {
        var node = new SimpleDOMNode('#text', text);
        this._currentFragment.push(node);
      }
    }, {
      key: 'onBeginElement',
      value: function onBeginElement(name, attributes, isEmpty) {
        var node = new SimpleDOMNode(name);
        node.childNodes = [];
        this._currentFragment.push(node);
        if (isEmpty) {
          return;
        }
        this._stack.push(this._currentFragment);
        this._currentFragment = node.childNodes;
      }
    }, {
      key: 'onEndElement',
      value: function onEndElement(name) {
        this._currentFragment = this._stack.pop();
        var lastElement = this._currentFragment[this._currentFragment.length - 1];
        for (var i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
          lastElement.childNodes[i].parentNode = lastElement;
        }
      }
    }, {
      key: 'onError',
      value: function onError(code) {
        this._errorCode = code;
      }
    }]);
  
    return SimpleXMLParser;
  }(XMLParserBase);
  
  exports.SimpleXMLParser = SimpleXMLParser;
  
  /***/ }),
  /* 136 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFDataTransportStream = undefined;
  
  var _regenerator = __w_pdfjs_require__(130);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _util = __w_pdfjs_require__(1);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  var PDFDataTransportStream = function PDFDataTransportStreamClosure() {
    function PDFDataTransportStream(params, pdfDataRangeTransport) {
      var _this = this;
  
      (0, _util.assert)(pdfDataRangeTransport);
      this._queuedChunks = [];
      var initialData = params.initialData;
      if (initialData && initialData.length > 0) {
        var buffer = new Uint8Array(initialData).buffer;
        this._queuedChunks.push(buffer);
      }
      this._pdfDataRangeTransport = pdfDataRangeTransport;
      this._isStreamingSupported = !params.disableStream;
      this._isRangeSupported = !params.disableRange;
      this._contentLength = params.length;
      this._fullRequestReader = null;
      this._rangeReaders = [];
      this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
        _this._onReceiveData({
          begin: begin,
          chunk: chunk
        });
      });
      this._pdfDataRangeTransport.addProgressListener(function (loaded) {
        _this._onProgress({ loaded: loaded });
      });
      this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
        _this._onReceiveData({ chunk: chunk });
      });
      this._pdfDataRangeTransport.transportReady();
    }
    PDFDataTransportStream.prototype = {
      _onReceiveData: function PDFDataTransportStream_onReceiveData(args) {
        var buffer = new Uint8Array(args.chunk).buffer;
        if (args.begin === undefined) {
          if (this._fullRequestReader) {
            this._fullRequestReader._enqueue(buffer);
          } else {
            this._queuedChunks.push(buffer);
          }
        } else {
          var found = this._rangeReaders.some(function (rangeReader) {
            if (rangeReader._begin !== args.begin) {
              return false;
            }
            rangeReader._enqueue(buffer);
            return true;
          });
          (0, _util.assert)(found);
        }
      },
      _onProgress: function PDFDataTransportStream_onDataProgress(evt) {
        if (this._rangeReaders.length > 0) {
          var firstReader = this._rangeReaders[0];
          if (firstReader.onProgress) {
            firstReader.onProgress({ loaded: evt.loaded });
          }
        }
      },
      _removeRangeReader: function PDFDataTransportStream_removeRangeReader(reader) {
        var i = this._rangeReaders.indexOf(reader);
        if (i >= 0) {
          this._rangeReaders.splice(i, 1);
        }
      },
      getFullReader: function PDFDataTransportStream_getFullReader() {
        (0, _util.assert)(!this._fullRequestReader);
        var queuedChunks = this._queuedChunks;
        this._queuedChunks = null;
        return new PDFDataTransportStreamReader(this, queuedChunks);
      },
      getRangeReader: function PDFDataTransportStream_getRangeReader(begin, end) {
        var reader = new PDFDataTransportStreamRangeReader(this, begin, end);
        this._pdfDataRangeTransport.requestDataRange(begin, end);
        this._rangeReaders.push(reader);
        return reader;
      },
      cancelAllRequests: function PDFDataTransportStream_cancelAllRequests(reason) {
        if (this._fullRequestReader) {
          this._fullRequestReader.cancel(reason);
        }
        var readers = this._rangeReaders.slice(0);
        readers.forEach(function (rangeReader) {
          rangeReader.cancel(reason);
        });
        this._pdfDataRangeTransport.abort();
      }
    };
    function PDFDataTransportStreamReader(stream, queuedChunks) {
      this._stream = stream;
      this._done = false;
      this._filename = null;
      this._queuedChunks = queuedChunks || [];
      this._requests = [];
      this._headersReady = Promise.resolve();
      stream._fullRequestReader = this;
      this.onProgress = null;
    }
    PDFDataTransportStreamReader.prototype = {
      _enqueue: function PDFDataTransportStreamReader_enqueue(chunk) {
        if (this._done) {
          return;
        }
        if (this._requests.length > 0) {
          var requestCapability = this._requests.shift();
          requestCapability.resolve({
            value: chunk,
            done: false
          });
          return;
        }
        this._queuedChunks.push(chunk);
      },
      get headersReady() {
        return this._headersReady;
      },
      get filename() {
        return this._filename;
      },
      get isRangeSupported() {
        return this._stream._isRangeSupported;
      },
      get isStreamingSupported() {
        return this._stream._isStreamingSupported;
      },
      get contentLength() {
        return this._stream._contentLength;
      },
      read: function () {
        var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
          var chunk, requestCapability;
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  if (!(this._queuedChunks.length > 0)) {
                    _context.next = 3;
                    break;
                  }
  
                  chunk = this._queuedChunks.shift();
                  return _context.abrupt('return', {
                    value: chunk,
                    done: false
                  });
  
                case 3:
                  if (!this._done) {
                    _context.next = 5;
                    break;
                  }
  
                  return _context.abrupt('return', {
                    value: undefined,
                    done: true
                  });
  
                case 5:
                  requestCapability = (0, _util.createPromiseCapability)();
  
                  this._requests.push(requestCapability);
                  return _context.abrupt('return', requestCapability.promise);
  
                case 8:
                case 'end':
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function read() {
          return _ref.apply(this, arguments);
        }
  
        return read;
      }(),
  
      cancel: function PDFDataTransportStreamReader_cancel(reason) {
        this._done = true;
        this._requests.forEach(function (requestCapability) {
          requestCapability.resolve({
            value: undefined,
            done: true
          });
        });
        this._requests = [];
      }
    };
    function PDFDataTransportStreamRangeReader(stream, begin, end) {
      this._stream = stream;
      this._begin = begin;
      this._end = end;
      this._queuedChunk = null;
      this._requests = [];
      this._done = false;
      this.onProgress = null;
    }
    PDFDataTransportStreamRangeReader.prototype = {
      _enqueue: function PDFDataTransportStreamRangeReader_enqueue(chunk) {
        if (this._done) {
          return;
        }
        if (this._requests.length === 0) {
          this._queuedChunk = chunk;
        } else {
          var requestsCapability = this._requests.shift();
          requestsCapability.resolve({
            value: chunk,
            done: false
          });
          this._requests.forEach(function (requestCapability) {
            requestCapability.resolve({
              value: undefined,
              done: true
            });
          });
          this._requests = [];
        }
        this._done = true;
        this._stream._removeRangeReader(this);
      },
      get isStreamingSupported() {
        return false;
      },
      read: function () {
        var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
          var chunk, requestCapability;
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  if (!this._queuedChunk) {
                    _context2.next = 4;
                    break;
                  }
  
                  chunk = this._queuedChunk;
  
                  this._queuedChunk = null;
                  return _context2.abrupt('return', {
                    value: chunk,
                    done: false
                  });
  
                case 4:
                  if (!this._done) {
                    _context2.next = 6;
                    break;
                  }
  
                  return _context2.abrupt('return', {
                    value: undefined,
                    done: true
                  });
  
                case 6:
                  requestCapability = (0, _util.createPromiseCapability)();
  
                  this._requests.push(requestCapability);
                  return _context2.abrupt('return', requestCapability.promise);
  
                case 9:
                case 'end':
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function read() {
          return _ref2.apply(this, arguments);
        }
  
        return read;
      }(),
  
      cancel: function PDFDataTransportStreamRangeReader_cancel(reason) {
        this._done = true;
        this._requests.forEach(function (requestCapability) {
          requestCapability.resolve({
            value: undefined,
            done: true
          });
        });
        this._requests = [];
        this._stream._removeRangeReader(this);
      }
    };
    return PDFDataTransportStream;
  }();
  exports.PDFDataTransportStream = PDFDataTransportStream;
  
  /***/ }),
  /* 137 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.WebGLContext = undefined;
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _util = __w_pdfjs_require__(1);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var WebGLContext = function () {
    function WebGLContext(_ref) {
      var _ref$enable = _ref.enable,
          enable = _ref$enable === undefined ? false : _ref$enable;
  
      _classCallCheck(this, WebGLContext);
  
      this._enabled = enable === true;
    }
  
    _createClass(WebGLContext, [{
      key: 'composeSMask',
      value: function composeSMask(_ref2) {
        var layer = _ref2.layer,
            mask = _ref2.mask,
            properties = _ref2.properties;
  
        return WebGLUtils.composeSMask(layer, mask, properties);
      }
    }, {
      key: 'drawFigures',
      value: function drawFigures(_ref3) {
        var width = _ref3.width,
            height = _ref3.height,
            backgroundColor = _ref3.backgroundColor,
            figures = _ref3.figures,
            context = _ref3.context;
  
        return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
      }
    }, {
      key: 'clear',
      value: function clear() {
        WebGLUtils.cleanup();
      }
    }, {
      key: 'isEnabled',
      get: function get() {
        var enabled = this._enabled;
        if (enabled) {
          enabled = WebGLUtils.tryInitGL();
        }
        return (0, _util.shadow)(this, 'isEnabled', enabled);
      }
    }]);
  
    return WebGLContext;
  }();
  
  var WebGLUtils = function WebGLUtilsClosure() {
    function loadShader(gl, code, shaderType) {
      var shader = gl.createShader(shaderType);
      gl.shaderSource(shader, code);
      gl.compileShader(shader);
      var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
      if (!compiled) {
        var errorMsg = gl.getShaderInfoLog(shader);
        throw new Error('Error during shader compilation: ' + errorMsg);
      }
      return shader;
    }
    function createVertexShader(gl, code) {
      return loadShader(gl, code, gl.VERTEX_SHADER);
    }
    function createFragmentShader(gl, code) {
      return loadShader(gl, code, gl.FRAGMENT_SHADER);
    }
    function createProgram(gl, shaders) {
      var program = gl.createProgram();
      for (var i = 0, ii = shaders.length; i < ii; ++i) {
        gl.attachShader(program, shaders[i]);
      }
      gl.linkProgram(program);
      var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
      if (!linked) {
        var errorMsg = gl.getProgramInfoLog(program);
        throw new Error('Error during program linking: ' + errorMsg);
      }
      return program;
    }
    function createTexture(gl, image, textureId) {
      gl.activeTexture(textureId);
      var texture = gl.createTexture();
      gl.bindTexture(gl.TEXTURE_2D, texture);
      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
      gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
      return texture;
    }
    var currentGL, currentCanvas;
    function generateGL() {
      if (currentGL) {
        return;
      }
      currentCanvas = document.createElement('canvas');
      currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
    }
    var smaskVertexShaderCode = '\
    attribute vec2 a_position;                                    \
    attribute vec2 a_texCoord;                                    \
                                                                  \
    uniform vec2 u_resolution;                                    \
                                                                  \
    varying vec2 v_texCoord;                                      \
                                                                  \
    void main() {                                                 \
      vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \
      gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
                                                                  \
      v_texCoord = a_texCoord;                                    \
    }                                                             ';
    var smaskFragmentShaderCode = '\
    precision mediump float;                                      \
                                                                  \
    uniform vec4 u_backdrop;                                      \
    uniform int u_subtype;                                        \
    uniform sampler2D u_image;                                    \
    uniform sampler2D u_mask;                                     \
                                                                  \
    varying vec2 v_texCoord;                                      \
                                                                  \
    void main() {                                                 \
      vec4 imageColor = texture2D(u_image, v_texCoord);           \
      vec4 maskColor = texture2D(u_mask, v_texCoord);             \
      if (u_backdrop.a > 0.0) {                                   \
        maskColor.rgb = maskColor.rgb * maskColor.a +             \
                        u_backdrop.rgb * (1.0 - maskColor.a);     \
      }                                                           \
      float lum;                                                  \
      if (u_subtype == 0) {                                       \
        lum = maskColor.a;                                        \
      } else {                                                    \
        lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \
              maskColor.b * 0.11;                                 \
      }                                                           \
      imageColor.a *= lum;                                        \
      imageColor.rgb *= imageColor.a;                             \
      gl_FragColor = imageColor;                                  \
    }                                                             ';
    var smaskCache = null;
    function initSmaskGL() {
      var canvas, gl;
      generateGL();
      canvas = currentCanvas;
      currentCanvas = null;
      gl = currentGL;
      currentGL = null;
      var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
      var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
      var program = createProgram(gl, [vertexShader, fragmentShader]);
      gl.useProgram(program);
      var cache = {};
      cache.gl = gl;
      cache.canvas = canvas;
      cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
      cache.positionLocation = gl.getAttribLocation(program, 'a_position');
      cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
      cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
      var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
      var texLayerLocation = gl.getUniformLocation(program, 'u_image');
      var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
      var texCoordBuffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
      gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
      gl.enableVertexAttribArray(texCoordLocation);
      gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
      gl.uniform1i(texLayerLocation, 0);
      gl.uniform1i(texMaskLocation, 1);
      smaskCache = cache;
    }
    function composeSMask(layer, mask, properties) {
      var width = layer.width,
          height = layer.height;
      if (!smaskCache) {
        initSmaskGL();
      }
      var cache = smaskCache,
          canvas = cache.canvas,
          gl = cache.gl;
      canvas.width = width;
      canvas.height = height;
      gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
      gl.uniform2f(cache.resolutionLocation, width, height);
      if (properties.backdrop) {
        gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
      } else {
        gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
      }
      gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
      var texture = createTexture(gl, layer, gl.TEXTURE0);
      var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
      var buffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
      gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
      gl.enableVertexAttribArray(cache.positionLocation);
      gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
      gl.clearColor(0, 0, 0, 0);
      gl.enable(gl.BLEND);
      gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
      gl.clear(gl.COLOR_BUFFER_BIT);
      gl.drawArrays(gl.TRIANGLES, 0, 6);
      gl.flush();
      gl.deleteTexture(texture);
      gl.deleteTexture(maskTexture);
      gl.deleteBuffer(buffer);
      return canvas;
    }
    var figuresVertexShaderCode = '\
    attribute vec2 a_position;                                    \
    attribute vec3 a_color;                                       \
                                                                  \
    uniform vec2 u_resolution;                                    \
    uniform vec2 u_scale;                                         \
    uniform vec2 u_offset;                                        \
                                                                  \
    varying vec4 v_color;                                         \
                                                                  \
    void main() {                                                 \
      vec2 position = (a_position + u_offset) * u_scale;          \
      vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \
      gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
                                                                  \
      v_color = vec4(a_color / 255.0, 1.0);                       \
    }                                                             ';
    var figuresFragmentShaderCode = '\
    precision mediump float;                                      \
                                                                  \
    varying vec4 v_color;                                         \
                                                                  \
    void main() {                                                 \
      gl_FragColor = v_color;                                     \
    }                                                             ';
    var figuresCache = null;
    function initFiguresGL() {
      var canvas, gl;
      generateGL();
      canvas = currentCanvas;
      currentCanvas = null;
      gl = currentGL;
      currentGL = null;
      var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
      var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
      var program = createProgram(gl, [vertexShader, fragmentShader]);
      gl.useProgram(program);
      var cache = {};
      cache.gl = gl;
      cache.canvas = canvas;
      cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
      cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
      cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
      cache.positionLocation = gl.getAttribLocation(program, 'a_position');
      cache.colorLocation = gl.getAttribLocation(program, 'a_color');
      figuresCache = cache;
    }
    function drawFigures(width, height, backgroundColor, figures, context) {
      if (!figuresCache) {
        initFiguresGL();
      }
      var cache = figuresCache,
          canvas = cache.canvas,
          gl = cache.gl;
      canvas.width = width;
      canvas.height = height;
      gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
      gl.uniform2f(cache.resolutionLocation, width, height);
      var count = 0;
      var i, ii, rows;
      for (i = 0, ii = figures.length; i < ii; i++) {
        switch (figures[i].type) {
          case 'lattice':
            rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
            count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
            break;
          case 'triangles':
            count += figures[i].coords.length;
            break;
        }
      }
      var coords = new Float32Array(count * 2);
      var colors = new Uint8Array(count * 3);
      var coordsMap = context.coords,
          colorsMap = context.colors;
      var pIndex = 0,
          cIndex = 0;
      for (i = 0, ii = figures.length; i < ii; i++) {
        var figure = figures[i],
            ps = figure.coords,
            cs = figure.colors;
        switch (figure.type) {
          case 'lattice':
            var cols = figure.verticesPerRow;
            rows = ps.length / cols | 0;
            for (var row = 1; row < rows; row++) {
              var offset = row * cols + 1;
              for (var col = 1; col < cols; col++, offset++) {
                coords[pIndex] = coordsMap[ps[offset - cols - 1]];
                coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
                coords[pIndex + 2] = coordsMap[ps[offset - cols]];
                coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
                coords[pIndex + 4] = coordsMap[ps[offset - 1]];
                coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
                colors[cIndex] = colorsMap[cs[offset - cols - 1]];
                colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
                colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
                colors[cIndex + 3] = colorsMap[cs[offset - cols]];
                colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
                colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
                colors[cIndex + 6] = colorsMap[cs[offset - 1]];
                colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
                colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
                coords[pIndex + 6] = coords[pIndex + 2];
                coords[pIndex + 7] = coords[pIndex + 3];
                coords[pIndex + 8] = coords[pIndex + 4];
                coords[pIndex + 9] = coords[pIndex + 5];
                coords[pIndex + 10] = coordsMap[ps[offset]];
                coords[pIndex + 11] = coordsMap[ps[offset] + 1];
                colors[cIndex + 9] = colors[cIndex + 3];
                colors[cIndex + 10] = colors[cIndex + 4];
                colors[cIndex + 11] = colors[cIndex + 5];
                colors[cIndex + 12] = colors[cIndex + 6];
                colors[cIndex + 13] = colors[cIndex + 7];
                colors[cIndex + 14] = colors[cIndex + 8];
                colors[cIndex + 15] = colorsMap[cs[offset]];
                colors[cIndex + 16] = colorsMap[cs[offset] + 1];
                colors[cIndex + 17] = colorsMap[cs[offset] + 2];
                pIndex += 12;
                cIndex += 18;
              }
            }
            break;
          case 'triangles':
            for (var j = 0, jj = ps.length; j < jj; j++) {
              coords[pIndex] = coordsMap[ps[j]];
              coords[pIndex + 1] = coordsMap[ps[j] + 1];
              colors[cIndex] = colorsMap[cs[j]];
              colors[cIndex + 1] = colorsMap[cs[j] + 1];
              colors[cIndex + 2] = colorsMap[cs[j] + 2];
              pIndex += 2;
              cIndex += 3;
            }
            break;
        }
      }
      if (backgroundColor) {
        gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
      } else {
        gl.clearColor(0, 0, 0, 0);
      }
      gl.clear(gl.COLOR_BUFFER_BIT);
      var coordsBuffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
      gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
      gl.enableVertexAttribArray(cache.positionLocation);
      gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
      var colorsBuffer = gl.createBuffer();
      gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
      gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
      gl.enableVertexAttribArray(cache.colorLocation);
      gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
      gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
      gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
      gl.drawArrays(gl.TRIANGLES, 0, count);
      gl.flush();
      gl.deleteBuffer(coordsBuffer);
      gl.deleteBuffer(colorsBuffer);
      return canvas;
    }
    return {
      tryInitGL: function tryInitGL() {
        try {
          generateGL();
          return !!currentGL;
        } catch (ex) {}
        return false;
      },
  
      composeSMask: composeSMask,
      drawFigures: drawFigures,
      cleanup: function cleanup() {
        if (smaskCache && smaskCache.canvas) {
          smaskCache.canvas.width = 0;
          smaskCache.canvas.height = 0;
        }
        if (figuresCache && figuresCache.canvas) {
          figuresCache.canvas.width = 0;
          figuresCache.canvas.height = 0;
        }
        smaskCache = null;
        figuresCache = null;
      }
    };
  }();
  exports.WebGLContext = WebGLContext;
  
  /***/ }),
  /* 138 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.renderTextLayer = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  var _global_scope = __w_pdfjs_require__(3);
  
  var _global_scope2 = _interopRequireDefault(_global_scope);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  var renderTextLayer = function renderTextLayerClosure() {
    var MAX_TEXT_DIVS_TO_RENDER = 100000;
    var NonWhitespaceRegexp = /\S/;
    function isAllWhitespace(str) {
      return !NonWhitespaceRegexp.test(str);
    }
    var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';'];
    function appendText(task, geom, styles) {
      var textDiv = document.createElement('div');
      var textDivProperties = {
        style: null,
        angle: 0,
        canvasWidth: 0,
        isWhitespace: false,
        originalTransform: null,
        paddingBottom: 0,
        paddingLeft: 0,
        paddingRight: 0,
        paddingTop: 0,
        scale: 1
      };
      task._textDivs.push(textDiv);
      if (isAllWhitespace(geom.str)) {
        textDivProperties.isWhitespace = true;
        task._textDivProperties.set(textDiv, textDivProperties);
        return;
      }
      var tx = _util.Util.transform(task._viewport.transform, geom.transform);
      var angle = Math.atan2(tx[1], tx[0]);
      var style = styles[geom.fontName];
      if (style.vertical) {
        angle += Math.PI / 2;
      }
      var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
      var fontAscent = fontHeight;
      if (style.ascent) {
        fontAscent = style.ascent * fontAscent;
      } else if (style.descent) {
        fontAscent = (1 + style.descent) * fontAscent;
      }
      var left;
      var top;
      if (angle === 0) {
        left = tx[4];
        top = tx[5] - fontAscent;
      } else {
        left = tx[4] + fontAscent * Math.sin(angle);
        top = tx[5] - fontAscent * Math.cos(angle);
      }
      styleBuf[1] = left;
      styleBuf[3] = top;
      styleBuf[5] = fontHeight;
      styleBuf[7] = style.fontFamily;
      textDivProperties.style = styleBuf.join('');
      textDiv.setAttribute('style', textDivProperties.style);
      textDiv.textContent = geom.str;
      if (task._fontInspectorEnabled) {
        textDiv.dataset.fontName = geom.fontName;
      }
      if (angle !== 0) {
        textDivProperties.angle = angle * (180 / Math.PI);
      }
      if (geom.str.length > 1) {
        if (style.vertical) {
          textDivProperties.canvasWidth = geom.height * task._viewport.scale;
        } else {
          textDivProperties.canvasWidth = geom.width * task._viewport.scale;
        }
      }
      task._textDivProperties.set(textDiv, textDivProperties);
      if (task._textContentStream) {
        task._layoutText(textDiv);
      }
      if (task._enhanceTextSelection) {
        var angleCos = 1,
            angleSin = 0;
        if (angle !== 0) {
          angleCos = Math.cos(angle);
          angleSin = Math.sin(angle);
        }
        var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
        var divHeight = fontHeight;
        var m, b;
        if (angle !== 0) {
          m = [angleCos, angleSin, -angleSin, angleCos, left, top];
          b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
        } else {
          b = [left, top, left + divWidth, top + divHeight];
        }
        task._bounds.push({
          left: b[0],
          top: b[1],
          right: b[2],
          bottom: b[3],
          div: textDiv,
          size: [divWidth, divHeight],
          m: m
        });
      }
    }
    function render(task) {
      if (task._canceled) {
        return;
      }
      var textDivs = task._textDivs;
      var capability = task._capability;
      var textDivsLength = textDivs.length;
      if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
        task._renderingDone = true;
        capability.resolve();
        return;
      }
      if (!task._textContentStream) {
        for (var i = 0; i < textDivsLength; i++) {
          task._layoutText(textDivs[i]);
        }
      }
      task._renderingDone = true;
      capability.resolve();
    }
    function expand(task) {
      var bounds = task._bounds;
      var viewport = task._viewport;
      var expanded = expandBounds(viewport.width, viewport.height, bounds);
      for (var i = 0; i < expanded.length; i++) {
        var div = bounds[i].div;
        var divProperties = task._textDivProperties.get(div);
        if (divProperties.angle === 0) {
          divProperties.paddingLeft = bounds[i].left - expanded[i].left;
          divProperties.paddingTop = bounds[i].top - expanded[i].top;
          divProperties.paddingRight = expanded[i].right - bounds[i].right;
          divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
          task._textDivProperties.set(div, divProperties);
          continue;
        }
        var e = expanded[i],
            b = bounds[i];
        var m = b.m,
            c = m[0],
            s = m[1];
        var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
        var ts = new Float64Array(64);
        points.forEach(function (p, i) {
          var t = _util.Util.applyTransform(p, m);
          ts[i + 0] = c && (e.left - t[0]) / c;
          ts[i + 4] = s && (e.top - t[1]) / s;
          ts[i + 8] = c && (e.right - t[0]) / c;
          ts[i + 12] = s && (e.bottom - t[1]) / s;
          ts[i + 16] = s && (e.left - t[0]) / -s;
          ts[i + 20] = c && (e.top - t[1]) / c;
          ts[i + 24] = s && (e.right - t[0]) / -s;
          ts[i + 28] = c && (e.bottom - t[1]) / c;
          ts[i + 32] = c && (e.left - t[0]) / -c;
          ts[i + 36] = s && (e.top - t[1]) / -s;
          ts[i + 40] = c && (e.right - t[0]) / -c;
          ts[i + 44] = s && (e.bottom - t[1]) / -s;
          ts[i + 48] = s && (e.left - t[0]) / s;
          ts[i + 52] = c && (e.top - t[1]) / -c;
          ts[i + 56] = s && (e.right - t[0]) / s;
          ts[i + 60] = c && (e.bottom - t[1]) / -c;
        });
        var findPositiveMin = function findPositiveMin(ts, offset, count) {
          var result = 0;
          for (var i = 0; i < count; i++) {
            var t = ts[offset++];
            if (t > 0) {
              result = result ? Math.min(t, result) : t;
            }
          }
          return result;
        };
        var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
        divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
        divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
        divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
        divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
        task._textDivProperties.set(div, divProperties);
      }
    }
    function expandBounds(width, height, boxes) {
      var bounds = boxes.map(function (box, i) {
        return {
          x1: box.left,
          y1: box.top,
          x2: box.right,
          y2: box.bottom,
          index: i,
          x1New: undefined,
          x2New: undefined
        };
      });
      expandBoundsLTR(width, bounds);
      var expanded = new Array(boxes.length);
      bounds.forEach(function (b) {
        var i = b.index;
        expanded[i] = {
          left: b.x1New,
          top: 0,
          right: b.x2New,
          bottom: 0
        };
      });
      boxes.map(function (box, i) {
        var e = expanded[i],
            b = bounds[i];
        b.x1 = box.top;
        b.y1 = width - e.right;
        b.x2 = box.bottom;
        b.y2 = width - e.left;
        b.index = i;
        b.x1New = undefined;
        b.x2New = undefined;
      });
      expandBoundsLTR(height, bounds);
      bounds.forEach(function (b) {
        var i = b.index;
        expanded[i].top = b.x1New;
        expanded[i].bottom = b.x2New;
      });
      return expanded;
    }
    function expandBoundsLTR(width, bounds) {
      bounds.sort(function (a, b) {
        return a.x1 - b.x1 || a.index - b.index;
      });
      var fakeBoundary = {
        x1: -Infinity,
        y1: -Infinity,
        x2: 0,
        y2: Infinity,
        index: -1,
        x1New: 0,
        x2New: 0
      };
      var horizon = [{
        start: -Infinity,
        end: Infinity,
        boundary: fakeBoundary
      }];
      bounds.forEach(function (boundary) {
        var i = 0;
        while (i < horizon.length && horizon[i].end <= boundary.y1) {
          i++;
        }
        var j = horizon.length - 1;
        while (j >= 0 && horizon[j].start >= boundary.y2) {
          j--;
        }
        var horizonPart, affectedBoundary;
        var q,
            k,
            maxXNew = -Infinity;
        for (q = i; q <= j; q++) {
          horizonPart = horizon[q];
          affectedBoundary = horizonPart.boundary;
          var xNew;
          if (affectedBoundary.x2 > boundary.x1) {
            xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
          } else if (affectedBoundary.x2New === undefined) {
            xNew = (affectedBoundary.x2 + boundary.x1) / 2;
          } else {
            xNew = affectedBoundary.x2New;
          }
          if (xNew > maxXNew) {
            maxXNew = xNew;
          }
        }
        boundary.x1New = maxXNew;
        for (q = i; q <= j; q++) {
          horizonPart = horizon[q];
          affectedBoundary = horizonPart.boundary;
          if (affectedBoundary.x2New === undefined) {
            if (affectedBoundary.x2 > boundary.x1) {
              if (affectedBoundary.index > boundary.index) {
                affectedBoundary.x2New = affectedBoundary.x2;
              }
            } else {
              affectedBoundary.x2New = maxXNew;
            }
          } else if (affectedBoundary.x2New > maxXNew) {
            affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
          }
        }
        var changedHorizon = [],
            lastBoundary = null;
        for (q = i; q <= j; q++) {
          horizonPart = horizon[q];
          affectedBoundary = horizonPart.boundary;
          var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
          if (lastBoundary === useBoundary) {
            changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
          } else {
            changedHorizon.push({
              start: horizonPart.start,
              end: horizonPart.end,
              boundary: useBoundary
            });
            lastBoundary = useBoundary;
          }
        }
        if (horizon[i].start < boundary.y1) {
          changedHorizon[0].start = boundary.y1;
          changedHorizon.unshift({
            start: horizon[i].start,
            end: boundary.y1,
            boundary: horizon[i].boundary
          });
        }
        if (boundary.y2 < horizon[j].end) {
          changedHorizon[changedHorizon.length - 1].end = boundary.y2;
          changedHorizon.push({
            start: boundary.y2,
            end: horizon[j].end,
            boundary: horizon[j].boundary
          });
        }
        for (q = i; q <= j; q++) {
          horizonPart = horizon[q];
          affectedBoundary = horizonPart.boundary;
          if (affectedBoundary.x2New !== undefined) {
            continue;
          }
          var used = false;
          for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
            used = horizon[k].boundary === affectedBoundary;
          }
          for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
            used = horizon[k].boundary === affectedBoundary;
          }
          for (k = 0; !used && k < changedHorizon.length; k++) {
            used = changedHorizon[k].boundary === affectedBoundary;
          }
          if (!used) {
            affectedBoundary.x2New = maxXNew;
          }
        }
        Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
      });
      horizon.forEach(function (horizonPart) {
        var affectedBoundary = horizonPart.boundary;
        if (affectedBoundary.x2New === undefined) {
          affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
        }
      });
    }
    function TextLayerRenderTask(_ref) {
      var textContent = _ref.textContent,
          textContentStream = _ref.textContentStream,
          container = _ref.container,
          viewport = _ref.viewport,
          textDivs = _ref.textDivs,
          textContentItemsStr = _ref.textContentItemsStr,
          enhanceTextSelection = _ref.enhanceTextSelection;
  
      this._textContent = textContent;
      this._textContentStream = textContentStream;
      this._container = container;
      this._viewport = viewport;
      this._textDivs = textDivs || [];
      this._textContentItemsStr = textContentItemsStr || [];
      this._enhanceTextSelection = !!enhanceTextSelection;
      this._fontInspectorEnabled = !!(_global_scope2.default.FontInspector && _global_scope2.default.FontInspector.enabled);
      this._reader = null;
      this._layoutTextLastFontSize = null;
      this._layoutTextLastFontFamily = null;
      this._layoutTextCtx = null;
      this._textDivProperties = new WeakMap();
      this._renderingDone = false;
      this._canceled = false;
      this._capability = (0, _util.createPromiseCapability)();
      this._renderTimer = null;
      this._bounds = [];
    }
    TextLayerRenderTask.prototype = {
      get promise() {
        return this._capability.promise;
      },
      cancel: function TextLayer_cancel() {
        if (this._reader) {
          this._reader.cancel(new _util.AbortException('text layer task cancelled'));
          this._reader = null;
        }
        this._canceled = true;
        if (this._renderTimer !== null) {
          clearTimeout(this._renderTimer);
          this._renderTimer = null;
        }
        this._capability.reject('canceled');
      },
      _processItems: function _processItems(items, styleCache) {
        for (var i = 0, len = items.length; i < len; i++) {
          this._textContentItemsStr.push(items[i].str);
          appendText(this, items[i], styleCache);
        }
      },
      _layoutText: function _layoutText(textDiv) {
        var textLayerFrag = this._container;
        var textDivProperties = this._textDivProperties.get(textDiv);
        if (textDivProperties.isWhitespace) {
          return;
        }
        var fontSize = textDiv.style.fontSize;
        var fontFamily = textDiv.style.fontFamily;
        if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
          this._layoutTextCtx.font = fontSize + ' ' + fontFamily;
          this._layoutTextLastFontSize = fontSize;
          this._layoutTextLastFontFamily = fontFamily;
        }
        var width = this._layoutTextCtx.measureText(textDiv.textContent).width;
        var transform = '';
        if (textDivProperties.canvasWidth !== 0 && width > 0) {
          textDivProperties.scale = textDivProperties.canvasWidth / width;
          transform = 'scaleX(' + textDivProperties.scale + ')';
        }
        if (textDivProperties.angle !== 0) {
          transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
        }
        if (transform !== '') {
          textDivProperties.originalTransform = transform;
          textDiv.style.transform = transform;
        }
        this._textDivProperties.set(textDiv, textDivProperties);
        textLayerFrag.appendChild(textDiv);
      },
  
      _render: function TextLayer_render(timeout) {
        var _this = this;
  
        var capability = (0, _util.createPromiseCapability)();
        var styleCache = Object.create(null);
        var canvas = document.createElement('canvas');
        canvas.mozOpaque = true;
        this._layoutTextCtx = canvas.getContext('2d', { alpha: false });
        if (this._textContent) {
          var textItems = this._textContent.items;
          var textStyles = this._textContent.styles;
          this._processItems(textItems, textStyles);
          capability.resolve();
        } else if (this._textContentStream) {
          var pump = function pump() {
            _this._reader.read().then(function (_ref2) {
              var value = _ref2.value,
                  done = _ref2.done;
  
              if (done) {
                capability.resolve();
                return;
              }
              Object.assign(styleCache, value.styles);
              _this._processItems(value.items, styleCache);
              pump();
            }, capability.reject);
          };
          this._reader = this._textContentStream.getReader();
          pump();
        } else {
          throw new Error('Neither "textContent" nor "textContentStream"' + ' parameters specified.');
        }
        capability.promise.then(function () {
          styleCache = null;
          if (!timeout) {
            render(_this);
          } else {
            _this._renderTimer = setTimeout(function () {
              render(_this);
              _this._renderTimer = null;
            }, timeout);
          }
        }, this._capability.reject);
      },
      expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
        if (!this._enhanceTextSelection || !this._renderingDone) {
          return;
        }
        if (this._bounds !== null) {
          expand(this);
          this._bounds = null;
        }
        for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
          var div = this._textDivs[i];
          var divProperties = this._textDivProperties.get(div);
          if (divProperties.isWhitespace) {
            continue;
          }
          if (expandDivs) {
            var transform = '',
                padding = '';
            if (divProperties.scale !== 1) {
              transform = 'scaleX(' + divProperties.scale + ')';
            }
            if (divProperties.angle !== 0) {
              transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
            }
            if (divProperties.paddingLeft !== 0) {
              padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
              transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
            }
            if (divProperties.paddingTop !== 0) {
              padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
              transform += ' translateY(' + -divProperties.paddingTop + 'px)';
            }
            if (divProperties.paddingRight !== 0) {
              padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
            }
            if (divProperties.paddingBottom !== 0) {
              padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
            }
            if (padding !== '') {
              div.setAttribute('style', divProperties.style + padding);
            }
            if (transform !== '') {
              div.style.transform = transform;
            }
          } else {
            div.style.padding = 0;
            div.style.transform = divProperties.originalTransform || '';
          }
        }
      }
    };
    function renderTextLayer(renderParameters) {
      var task = new TextLayerRenderTask({
        textContent: renderParameters.textContent,
        textContentStream: renderParameters.textContentStream,
        container: renderParameters.container,
        viewport: renderParameters.viewport,
        textDivs: renderParameters.textDivs,
        textContentItemsStr: renderParameters.textContentItemsStr,
        enhanceTextSelection: renderParameters.enhanceTextSelection
      });
      task._render(renderParameters.timeout);
      return task;
    }
    return renderTextLayer;
  }();
  exports.renderTextLayer = renderTextLayer;
  
  /***/ }),
  /* 139 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.AnnotationLayer = undefined;
  
  var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _dom_utils = __w_pdfjs_require__(123);
  
  var _util = __w_pdfjs_require__(1);
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var AnnotationElementFactory = function () {
    function AnnotationElementFactory() {
      _classCallCheck(this, AnnotationElementFactory);
    }
  
    _createClass(AnnotationElementFactory, null, [{
      key: 'create',
      value: function create(parameters) {
        var subtype = parameters.data.annotationType;
        switch (subtype) {
          case _util.AnnotationType.LINK:
            return new LinkAnnotationElement(parameters);
          case _util.AnnotationType.TEXT:
            return new TextAnnotationElement(parameters);
          case _util.AnnotationType.WIDGET:
            var fieldType = parameters.data.fieldType;
            switch (fieldType) {
              case 'Tx':
                return new TextWidgetAnnotationElement(parameters);
              case 'Btn':
                if (parameters.data.radioButton) {
                  return new RadioButtonWidgetAnnotationElement(parameters);
                } else if (parameters.data.checkBox) {
                  return new CheckboxWidgetAnnotationElement(parameters);
                }
                return new PushButtonWidgetAnnotationElement(parameters);
              case 'Ch':
                return new ChoiceWidgetAnnotationElement(parameters);
            }
            return new WidgetAnnotationElement(parameters);
          case _util.AnnotationType.POPUP:
            return new PopupAnnotationElement(parameters);
          case _util.AnnotationType.LINE:
            return new LineAnnotationElement(parameters);
          case _util.AnnotationType.SQUARE:
            return new SquareAnnotationElement(parameters);
          case _util.AnnotationType.CIRCLE:
            return new CircleAnnotationElement(parameters);
          case _util.AnnotationType.POLYLINE:
            return new PolylineAnnotationElement(parameters);
          case _util.AnnotationType.POLYGON:
            return new PolygonAnnotationElement(parameters);
          case _util.AnnotationType.HIGHLIGHT:
            return new HighlightAnnotationElement(parameters);
          case _util.AnnotationType.UNDERLINE:
            return new UnderlineAnnotationElement(parameters);
          case _util.AnnotationType.SQUIGGLY:
            return new SquigglyAnnotationElement(parameters);
          case _util.AnnotationType.STRIKEOUT:
            return new StrikeOutAnnotationElement(parameters);
          case _util.AnnotationType.STAMP:
            return new StampAnnotationElement(parameters);
          case _util.AnnotationType.FILEATTACHMENT:
            return new FileAttachmentAnnotationElement(parameters);
          default:
            return new AnnotationElement(parameters);
        }
      }
    }]);
  
    return AnnotationElementFactory;
  }();
  
  var AnnotationElement = function () {
    function AnnotationElement(parameters) {
      var isRenderable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
      var ignoreBorder = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
      _classCallCheck(this, AnnotationElement);
  
      this.isRenderable = isRenderable;
      this.data = parameters.data;
      this.layer = parameters.layer;
      this.page = parameters.page;
      this.viewport = parameters.viewport;
      this.linkService = parameters.linkService;
      this.downloadManager = parameters.downloadManager;
      this.imageResourcesPath = parameters.imageResourcesPath;
      this.renderInteractiveForms = parameters.renderInteractiveForms;
      this.svgFactory = parameters.svgFactory;
      if (isRenderable) {
        this.container = this._createContainer(ignoreBorder);
      }
    }
  
    _createClass(AnnotationElement, [{
      key: '_createContainer',
      value: function _createContainer() {
        var ignoreBorder = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        var data = this.data,
            page = this.page,
            viewport = this.viewport;
        var container = document.createElement('section');
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        container.setAttribute('data-annotation-id', data.id);
        var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
        container.style.transform = 'matrix(' + viewport.transform.join(',') + ')';
        container.style.transformOrigin = -rect[0] + 'px ' + -rect[1] + 'px';
        if (!ignoreBorder && data.borderStyle.width > 0) {
          container.style.borderWidth = data.borderStyle.width + 'px';
          if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
            width = width - 2 * data.borderStyle.width;
            height = height - 2 * data.borderStyle.width;
          }
          var horizontalRadius = data.borderStyle.horizontalCornerRadius;
          var verticalRadius = data.borderStyle.verticalCornerRadius;
          if (horizontalRadius > 0 || verticalRadius > 0) {
            var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
            container.style.borderRadius = radius;
          }
          switch (data.borderStyle.style) {
            case _util.AnnotationBorderStyleType.SOLID:
              container.style.borderStyle = 'solid';
              break;
            case _util.AnnotationBorderStyleType.DASHED:
              container.style.borderStyle = 'dashed';
              break;
            case _util.AnnotationBorderStyleType.BEVELED:
              (0, _util.warn)('Unimplemented border style: beveled');
              break;
            case _util.AnnotationBorderStyleType.INSET:
              (0, _util.warn)('Unimplemented border style: inset');
              break;
            case _util.AnnotationBorderStyleType.UNDERLINE:
              container.style.borderBottomStyle = 'solid';
              break;
            default:
              break;
          }
          if (data.color) {
            container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
          } else {
            container.style.borderWidth = 0;
          }
        }
        container.style.left = rect[0] + 'px';
        container.style.top = rect[1] + 'px';
        container.style.width = width + 'px';
        container.style.height = height + 'px';
        return container;
      }
    }, {
      key: '_createPopup',
      value: function _createPopup(container, trigger, data) {
        if (!trigger) {
          trigger = document.createElement('div');
          trigger.style.height = container.style.height;
          trigger.style.width = container.style.width;
          container.appendChild(trigger);
        }
        var popupElement = new PopupElement({
          container: container,
          trigger: trigger,
          color: data.color,
          title: data.title,
          contents: data.contents,
          hideWrapper: true
        });
        var popup = popupElement.render();
        popup.style.left = container.style.width;
        container.appendChild(popup);
      }
    }, {
      key: 'render',
      value: function render() {
        (0, _util.unreachable)('Abstract method `AnnotationElement.render` called');
      }
    }]);
  
    return AnnotationElement;
  }();
  
  var LinkAnnotationElement = function (_AnnotationElement) {
    _inherits(LinkAnnotationElement, _AnnotationElement);
  
    function LinkAnnotationElement(parameters) {
      _classCallCheck(this, LinkAnnotationElement);
  
      var isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
      return _possibleConstructorReturn(this, (LinkAnnotationElement.__proto__ || Object.getPrototypeOf(LinkAnnotationElement)).call(this, parameters, isRenderable));
    }
  
    _createClass(LinkAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'linkAnnotation';
        var data = this.data,
            linkService = this.linkService;
  
        var link = document.createElement('a');
        (0, _dom_utils.addLinkAttributes)(link, {
          url: data.url,
          target: data.newWindow ? _dom_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
          rel: linkService.externalLinkRel
        });
        if (!data.url) {
          if (data.action) {
            this._bindNamedAction(link, data.action);
          } else {
            this._bindLink(link, data.dest);
          }
        }
        this.container.appendChild(link);
        return this.container;
      }
    }, {
      key: '_bindLink',
      value: function _bindLink(link, destination) {
        var _this2 = this;
  
        link.href = this.linkService.getDestinationHash(destination);
        link.onclick = function () {
          if (destination) {
            _this2.linkService.navigateTo(destination);
          }
          return false;
        };
        if (destination) {
          link.className = 'internalLink';
        }
      }
    }, {
      key: '_bindNamedAction',
      value: function _bindNamedAction(link, action) {
        var _this3 = this;
  
        link.href = this.linkService.getAnchorUrl('');
        link.onclick = function () {
          _this3.linkService.executeNamedAction(action);
          return false;
        };
        link.className = 'internalLink';
      }
    }]);
  
    return LinkAnnotationElement;
  }(AnnotationElement);
  
  var TextAnnotationElement = function (_AnnotationElement2) {
    _inherits(TextAnnotationElement, _AnnotationElement2);
  
    function TextAnnotationElement(parameters) {
      _classCallCheck(this, TextAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (TextAnnotationElement.__proto__ || Object.getPrototypeOf(TextAnnotationElement)).call(this, parameters, isRenderable));
    }
  
    _createClass(TextAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'textAnnotation';
        var image = document.createElement('img');
        image.style.height = this.container.style.height;
        image.style.width = this.container.style.width;
        image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
        image.alt = '[{{type}} Annotation]';
        image.dataset.l10nId = 'text_annotation_type';
        image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
        if (!this.data.hasPopup) {
          this._createPopup(this.container, image, this.data);
        }
        this.container.appendChild(image);
        return this.container;
      }
    }]);
  
    return TextAnnotationElement;
  }(AnnotationElement);
  
  var WidgetAnnotationElement = function (_AnnotationElement3) {
    _inherits(WidgetAnnotationElement, _AnnotationElement3);
  
    function WidgetAnnotationElement() {
      _classCallCheck(this, WidgetAnnotationElement);
  
      return _possibleConstructorReturn(this, (WidgetAnnotationElement.__proto__ || Object.getPrototypeOf(WidgetAnnotationElement)).apply(this, arguments));
    }
  
    _createClass(WidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        return this.container;
      }
    }]);
  
    return WidgetAnnotationElement;
  }(AnnotationElement);
  
  var TextWidgetAnnotationElement = function (_WidgetAnnotationElem) {
    _inherits(TextWidgetAnnotationElement, _WidgetAnnotationElem);
  
    function TextWidgetAnnotationElement(parameters) {
      _classCallCheck(this, TextWidgetAnnotationElement);
  
      var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
      return _possibleConstructorReturn(this, (TextWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(TextWidgetAnnotationElement)).call(this, parameters, isRenderable));
    }
  
    _createClass(TextWidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        var TEXT_ALIGNMENT = ['left', 'center', 'right'];
        this.container.className = 'textWidgetAnnotation';
        var element = null;
        if (this.renderInteractiveForms) {
          if (this.data.multiLine) {
            element = document.createElement('textarea');
            element.textContent = this.data.fieldValue;
          } else {
            element = document.createElement('input');
            element.type = 'text';
            element.setAttribute('value', this.data.fieldValue);
          }
          element.disabled = this.data.readOnly;
          if (this.data.maxLen !== null) {
            element.maxLength = this.data.maxLen;
          }
          if (this.data.comb) {
            var fieldWidth = this.data.rect[2] - this.data.rect[0];
            var combWidth = fieldWidth / this.data.maxLen;
            element.classList.add('comb');
            element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
          }
        } else {
          element = document.createElement('div');
          element.textContent = this.data.fieldValue;
          element.style.verticalAlign = 'middle';
          element.style.display = 'table-cell';
          var font = null;
          if (this.data.fontRefName) {
            font = this.page.commonObjs.getData(this.data.fontRefName);
          }
          this._setTextStyle(element, font);
        }
        if (this.data.textAlignment !== null) {
          element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
        }
        this.container.appendChild(element);
        return this.container;
      }
    }, {
      key: '_setTextStyle',
      value: function _setTextStyle(element, font) {
        var style = element.style;
        style.fontSize = this.data.fontSize + 'px';
        style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
        if (!font) {
          return;
        }
        style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
        style.fontStyle = font.italic ? 'italic' : 'normal';
        var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
        var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
        style.fontFamily = fontFamily + fallbackName;
      }
    }]);
  
    return TextWidgetAnnotationElement;
  }(WidgetAnnotationElement);
  
  var CheckboxWidgetAnnotationElement = function (_WidgetAnnotationElem2) {
    _inherits(CheckboxWidgetAnnotationElement, _WidgetAnnotationElem2);
  
    function CheckboxWidgetAnnotationElement(parameters) {
      _classCallCheck(this, CheckboxWidgetAnnotationElement);
  
      return _possibleConstructorReturn(this, (CheckboxWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(CheckboxWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms));
    }
  
    _createClass(CheckboxWidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'buttonWidgetAnnotation checkBox';
        var element = document.createElement('input');
        element.disabled = this.data.readOnly;
        element.type = 'checkbox';
        if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
          element.setAttribute('checked', true);
        }
        this.container.appendChild(element);
        return this.container;
      }
    }]);
  
    return CheckboxWidgetAnnotationElement;
  }(WidgetAnnotationElement);
  
  var RadioButtonWidgetAnnotationElement = function (_WidgetAnnotationElem3) {
    _inherits(RadioButtonWidgetAnnotationElement, _WidgetAnnotationElem3);
  
    function RadioButtonWidgetAnnotationElement(parameters) {
      _classCallCheck(this, RadioButtonWidgetAnnotationElement);
  
      return _possibleConstructorReturn(this, (RadioButtonWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(RadioButtonWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms));
    }
  
    _createClass(RadioButtonWidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'buttonWidgetAnnotation radioButton';
        var element = document.createElement('input');
        element.disabled = this.data.readOnly;
        element.type = 'radio';
        element.name = this.data.fieldName;
        if (this.data.fieldValue === this.data.buttonValue) {
          element.setAttribute('checked', true);
        }
        this.container.appendChild(element);
        return this.container;
      }
    }]);
  
    return RadioButtonWidgetAnnotationElement;
  }(WidgetAnnotationElement);
  
  var PushButtonWidgetAnnotationElement = function (_LinkAnnotationElemen) {
    _inherits(PushButtonWidgetAnnotationElement, _LinkAnnotationElemen);
  
    function PushButtonWidgetAnnotationElement() {
      _classCallCheck(this, PushButtonWidgetAnnotationElement);
  
      return _possibleConstructorReturn(this, (PushButtonWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(PushButtonWidgetAnnotationElement)).apply(this, arguments));
    }
  
    _createClass(PushButtonWidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        var container = _get(PushButtonWidgetAnnotationElement.prototype.__proto__ || Object.getPrototypeOf(PushButtonWidgetAnnotationElement.prototype), 'render', this).call(this);
        container.className = 'buttonWidgetAnnotation pushButton';
        return container;
      }
    }]);
  
    return PushButtonWidgetAnnotationElement;
  }(LinkAnnotationElement);
  
  var ChoiceWidgetAnnotationElement = function (_WidgetAnnotationElem4) {
    _inherits(ChoiceWidgetAnnotationElement, _WidgetAnnotationElem4);
  
    function ChoiceWidgetAnnotationElement(parameters) {
      _classCallCheck(this, ChoiceWidgetAnnotationElement);
  
      return _possibleConstructorReturn(this, (ChoiceWidgetAnnotationElement.__proto__ || Object.getPrototypeOf(ChoiceWidgetAnnotationElement)).call(this, parameters, parameters.renderInteractiveForms));
    }
  
    _createClass(ChoiceWidgetAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'choiceWidgetAnnotation';
        var selectElement = document.createElement('select');
        selectElement.disabled = this.data.readOnly;
        if (!this.data.combo) {
          selectElement.size = this.data.options.length;
          if (this.data.multiSelect) {
            selectElement.multiple = true;
          }
        }
        for (var i = 0, ii = this.data.options.length; i < ii; i++) {
          var option = this.data.options[i];
          var optionElement = document.createElement('option');
          optionElement.textContent = option.displayValue;
          optionElement.value = option.exportValue;
          if (this.data.fieldValue.includes(option.displayValue)) {
            optionElement.setAttribute('selected', true);
          }
          selectElement.appendChild(optionElement);
        }
        this.container.appendChild(selectElement);
        return this.container;
      }
    }]);
  
    return ChoiceWidgetAnnotationElement;
  }(WidgetAnnotationElement);
  
  var PopupAnnotationElement = function (_AnnotationElement4) {
    _inherits(PopupAnnotationElement, _AnnotationElement4);
  
    function PopupAnnotationElement(parameters) {
      _classCallCheck(this, PopupAnnotationElement);
  
      var isRenderable = !!(parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (PopupAnnotationElement.__proto__ || Object.getPrototypeOf(PopupAnnotationElement)).call(this, parameters, isRenderable));
    }
  
    _createClass(PopupAnnotationElement, [{
      key: 'render',
      value: function render() {
        var IGNORE_TYPES = ['Line', 'Square', 'Circle', 'PolyLine', 'Polygon'];
        this.container.className = 'popupAnnotation';
        if (IGNORE_TYPES.includes(this.data.parentType)) {
          return this.container;
        }
        var selector = '[data-annotation-id="' + this.data.parentId + '"]';
        var parentElement = this.layer.querySelector(selector);
        if (!parentElement) {
          return this.container;
        }
        var popup = new PopupElement({
          container: this.container,
          trigger: parentElement,
          color: this.data.color,
          title: this.data.title,
          contents: this.data.contents
        });
        var parentLeft = parseFloat(parentElement.style.left);
        var parentWidth = parseFloat(parentElement.style.width);
        this.container.style.transformOrigin = -(parentLeft + parentWidth) + 'px -' + parentElement.style.top;
        this.container.style.left = parentLeft + parentWidth + 'px';
        this.container.appendChild(popup.render());
        return this.container;
      }
    }]);
  
    return PopupAnnotationElement;
  }(AnnotationElement);
  
  var PopupElement = function () {
    function PopupElement(parameters) {
      _classCallCheck(this, PopupElement);
  
      this.container = parameters.container;
      this.trigger = parameters.trigger;
      this.color = parameters.color;
      this.title = parameters.title;
      this.contents = parameters.contents;
      this.hideWrapper = parameters.hideWrapper || false;
      this.pinned = false;
    }
  
    _createClass(PopupElement, [{
      key: 'render',
      value: function render() {
        var BACKGROUND_ENLIGHT = 0.7;
        var wrapper = document.createElement('div');
        wrapper.className = 'popupWrapper';
        this.hideElement = this.hideWrapper ? wrapper : this.container;
        this.hideElement.setAttribute('hidden', true);
        var popup = document.createElement('div');
        popup.className = 'popup';
        var color = this.color;
        if (color) {
          var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
          var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
          var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
          popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
        }
        var contents = this._formatContents(this.contents);
        var title = document.createElement('h1');
        title.textContent = this.title;
        this.trigger.addEventListener('click', this._toggle.bind(this));
        this.trigger.addEventListener('mouseover', this._show.bind(this, false));
        this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
        popup.addEventListener('click', this._hide.bind(this, true));
        popup.appendChild(title);
        popup.appendChild(contents);
        wrapper.appendChild(popup);
        return wrapper;
      }
    }, {
      key: '_formatContents',
      value: function _formatContents(contents) {
        var p = document.createElement('p');
        var lines = contents.split(/(?:\r\n?|\n)/);
        for (var i = 0, ii = lines.length; i < ii; ++i) {
          var line = lines[i];
          p.appendChild(document.createTextNode(line));
          if (i < ii - 1) {
            p.appendChild(document.createElement('br'));
          }
        }
        return p;
      }
    }, {
      key: '_toggle',
      value: function _toggle() {
        if (this.pinned) {
          this._hide(true);
        } else {
          this._show(true);
        }
      }
    }, {
      key: '_show',
      value: function _show() {
        var pin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
        if (pin) {
          this.pinned = true;
        }
        if (this.hideElement.hasAttribute('hidden')) {
          this.hideElement.removeAttribute('hidden');
          this.container.style.zIndex += 1;
        }
      }
    }, {
      key: '_hide',
      value: function _hide() {
        var unpin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
  
        if (unpin) {
          this.pinned = false;
        }
        if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
          this.hideElement.setAttribute('hidden', true);
          this.container.style.zIndex -= 1;
        }
      }
    }]);
  
    return PopupElement;
  }();
  
  var LineAnnotationElement = function (_AnnotationElement5) {
    _inherits(LineAnnotationElement, _AnnotationElement5);
  
    function LineAnnotationElement(parameters) {
      _classCallCheck(this, LineAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (LineAnnotationElement.__proto__ || Object.getPrototypeOf(LineAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(LineAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'lineAnnotation';
        var data = this.data;
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        var svg = this.svgFactory.create(width, height);
        var line = this.svgFactory.createElement('svg:line');
        line.setAttribute('x1', data.rect[2] - data.lineCoordinates[0]);
        line.setAttribute('y1', data.rect[3] - data.lineCoordinates[1]);
        line.setAttribute('x2', data.rect[2] - data.lineCoordinates[2]);
        line.setAttribute('y2', data.rect[3] - data.lineCoordinates[3]);
        line.setAttribute('stroke-width', data.borderStyle.width);
        line.setAttribute('stroke', 'transparent');
        svg.appendChild(line);
        this.container.append(svg);
        this._createPopup(this.container, line, data);
        return this.container;
      }
    }]);
  
    return LineAnnotationElement;
  }(AnnotationElement);
  
  var SquareAnnotationElement = function (_AnnotationElement6) {
    _inherits(SquareAnnotationElement, _AnnotationElement6);
  
    function SquareAnnotationElement(parameters) {
      _classCallCheck(this, SquareAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (SquareAnnotationElement.__proto__ || Object.getPrototypeOf(SquareAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(SquareAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'squareAnnotation';
        var data = this.data;
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        var svg = this.svgFactory.create(width, height);
        var borderWidth = data.borderStyle.width;
        var square = this.svgFactory.createElement('svg:rect');
        square.setAttribute('x', borderWidth / 2);
        square.setAttribute('y', borderWidth / 2);
        square.setAttribute('width', width - borderWidth);
        square.setAttribute('height', height - borderWidth);
        square.setAttribute('stroke-width', borderWidth);
        square.setAttribute('stroke', 'transparent');
        square.setAttribute('fill', 'none');
        svg.appendChild(square);
        this.container.append(svg);
        this._createPopup(this.container, square, data);
        return this.container;
      }
    }]);
  
    return SquareAnnotationElement;
  }(AnnotationElement);
  
  var CircleAnnotationElement = function (_AnnotationElement7) {
    _inherits(CircleAnnotationElement, _AnnotationElement7);
  
    function CircleAnnotationElement(parameters) {
      _classCallCheck(this, CircleAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (CircleAnnotationElement.__proto__ || Object.getPrototypeOf(CircleAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(CircleAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'circleAnnotation';
        var data = this.data;
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        var svg = this.svgFactory.create(width, height);
        var borderWidth = data.borderStyle.width;
        var circle = this.svgFactory.createElement('svg:ellipse');
        circle.setAttribute('cx', width / 2);
        circle.setAttribute('cy', height / 2);
        circle.setAttribute('rx', width / 2 - borderWidth / 2);
        circle.setAttribute('ry', height / 2 - borderWidth / 2);
        circle.setAttribute('stroke-width', borderWidth);
        circle.setAttribute('stroke', 'transparent');
        circle.setAttribute('fill', 'none');
        svg.appendChild(circle);
        this.container.append(svg);
        this._createPopup(this.container, circle, data);
        return this.container;
      }
    }]);
  
    return CircleAnnotationElement;
  }(AnnotationElement);
  
  var PolylineAnnotationElement = function (_AnnotationElement8) {
    _inherits(PolylineAnnotationElement, _AnnotationElement8);
  
    function PolylineAnnotationElement(parameters) {
      _classCallCheck(this, PolylineAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
  
      var _this15 = _possibleConstructorReturn(this, (PolylineAnnotationElement.__proto__ || Object.getPrototypeOf(PolylineAnnotationElement)).call(this, parameters, isRenderable, true));
  
      _this15.containerClassName = 'polylineAnnotation';
      _this15.svgElementName = 'svg:polyline';
      return _this15;
    }
  
    _createClass(PolylineAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = this.containerClassName;
        var data = this.data;
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        var svg = this.svgFactory.create(width, height);
        var vertices = data.vertices;
        var points = [];
        for (var i = 0, ii = vertices.length; i < ii; i++) {
          var x = vertices[i].x - data.rect[0];
          var y = data.rect[3] - vertices[i].y;
          points.push(x + ',' + y);
        }
        points = points.join(' ');
        var borderWidth = data.borderStyle.width;
        var polyline = this.svgFactory.createElement(this.svgElementName);
        polyline.setAttribute('points', points);
        polyline.setAttribute('stroke-width', borderWidth);
        polyline.setAttribute('stroke', 'transparent');
        polyline.setAttribute('fill', 'none');
        svg.appendChild(polyline);
        this.container.append(svg);
        this._createPopup(this.container, polyline, data);
        return this.container;
      }
    }]);
  
    return PolylineAnnotationElement;
  }(AnnotationElement);
  
  var PolygonAnnotationElement = function (_PolylineAnnotationEl) {
    _inherits(PolygonAnnotationElement, _PolylineAnnotationEl);
  
    function PolygonAnnotationElement(parameters) {
      _classCallCheck(this, PolygonAnnotationElement);
  
      var _this16 = _possibleConstructorReturn(this, (PolygonAnnotationElement.__proto__ || Object.getPrototypeOf(PolygonAnnotationElement)).call(this, parameters));
  
      _this16.containerClassName = 'polygonAnnotation';
      _this16.svgElementName = 'svg:polygon';
      return _this16;
    }
  
    return PolygonAnnotationElement;
  }(PolylineAnnotationElement);
  
  var HighlightAnnotationElement = function (_AnnotationElement9) {
    _inherits(HighlightAnnotationElement, _AnnotationElement9);
  
    function HighlightAnnotationElement(parameters) {
      _classCallCheck(this, HighlightAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (HighlightAnnotationElement.__proto__ || Object.getPrototypeOf(HighlightAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(HighlightAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'highlightAnnotation';
        if (!this.data.hasPopup) {
          this._createPopup(this.container, null, this.data);
        }
        return this.container;
      }
    }]);
  
    return HighlightAnnotationElement;
  }(AnnotationElement);
  
  var UnderlineAnnotationElement = function (_AnnotationElement10) {
    _inherits(UnderlineAnnotationElement, _AnnotationElement10);
  
    function UnderlineAnnotationElement(parameters) {
      _classCallCheck(this, UnderlineAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (UnderlineAnnotationElement.__proto__ || Object.getPrototypeOf(UnderlineAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(UnderlineAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'underlineAnnotation';
        if (!this.data.hasPopup) {
          this._createPopup(this.container, null, this.data);
        }
        return this.container;
      }
    }]);
  
    return UnderlineAnnotationElement;
  }(AnnotationElement);
  
  var SquigglyAnnotationElement = function (_AnnotationElement11) {
    _inherits(SquigglyAnnotationElement, _AnnotationElement11);
  
    function SquigglyAnnotationElement(parameters) {
      _classCallCheck(this, SquigglyAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (SquigglyAnnotationElement.__proto__ || Object.getPrototypeOf(SquigglyAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(SquigglyAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'squigglyAnnotation';
        if (!this.data.hasPopup) {
          this._createPopup(this.container, null, this.data);
        }
        return this.container;
      }
    }]);
  
    return SquigglyAnnotationElement;
  }(AnnotationElement);
  
  var StrikeOutAnnotationElement = function (_AnnotationElement12) {
    _inherits(StrikeOutAnnotationElement, _AnnotationElement12);
  
    function StrikeOutAnnotationElement(parameters) {
      _classCallCheck(this, StrikeOutAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (StrikeOutAnnotationElement.__proto__ || Object.getPrototypeOf(StrikeOutAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(StrikeOutAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'strikeoutAnnotation';
        if (!this.data.hasPopup) {
          this._createPopup(this.container, null, this.data);
        }
        return this.container;
      }
    }]);
  
    return StrikeOutAnnotationElement;
  }(AnnotationElement);
  
  var StampAnnotationElement = function (_AnnotationElement13) {
    _inherits(StampAnnotationElement, _AnnotationElement13);
  
    function StampAnnotationElement(parameters) {
      _classCallCheck(this, StampAnnotationElement);
  
      var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      return _possibleConstructorReturn(this, (StampAnnotationElement.__proto__ || Object.getPrototypeOf(StampAnnotationElement)).call(this, parameters, isRenderable, true));
    }
  
    _createClass(StampAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'stampAnnotation';
        if (!this.data.hasPopup) {
          this._createPopup(this.container, null, this.data);
        }
        return this.container;
      }
    }]);
  
    return StampAnnotationElement;
  }(AnnotationElement);
  
  var FileAttachmentAnnotationElement = function (_AnnotationElement14) {
    _inherits(FileAttachmentAnnotationElement, _AnnotationElement14);
  
    function FileAttachmentAnnotationElement(parameters) {
      _classCallCheck(this, FileAttachmentAnnotationElement);
  
      var _this22 = _possibleConstructorReturn(this, (FileAttachmentAnnotationElement.__proto__ || Object.getPrototypeOf(FileAttachmentAnnotationElement)).call(this, parameters, true));
  
      var file = _this22.data.file;
      _this22.filename = (0, _dom_utils.getFilenameFromUrl)(file.filename);
      _this22.content = file.content;
      _this22.linkService.onFileAttachmentAnnotation({
        id: (0, _util.stringToPDFString)(file.filename),
        filename: file.filename,
        content: file.content
      });
      return _this22;
    }
  
    _createClass(FileAttachmentAnnotationElement, [{
      key: 'render',
      value: function render() {
        this.container.className = 'fileAttachmentAnnotation';
        var trigger = document.createElement('div');
        trigger.style.height = this.container.style.height;
        trigger.style.width = this.container.style.width;
        trigger.addEventListener('dblclick', this._download.bind(this));
        if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
          this._createPopup(this.container, trigger, this.data);
        }
        this.container.appendChild(trigger);
        return this.container;
      }
    }, {
      key: '_download',
      value: function _download() {
        if (!this.downloadManager) {
          (0, _util.warn)('Download cannot be started due to unavailable download manager');
          return;
        }
        this.downloadManager.downloadData(this.content, this.filename, '');
      }
    }]);
  
    return FileAttachmentAnnotationElement;
  }(AnnotationElement);
  
  var AnnotationLayer = function () {
    function AnnotationLayer() {
      _classCallCheck(this, AnnotationLayer);
    }
  
    _createClass(AnnotationLayer, null, [{
      key: 'render',
      value: function render(parameters) {
        for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
          var data = parameters.annotations[i];
          if (!data) {
            continue;
          }
          var element = AnnotationElementFactory.create({
            data: data,
            layer: parameters.div,
            page: parameters.page,
            viewport: parameters.viewport,
            linkService: parameters.linkService,
            downloadManager: parameters.downloadManager,
            imageResourcesPath: parameters.imageResourcesPath || '',
            renderInteractiveForms: parameters.renderInteractiveForms || false,
            svgFactory: new _dom_utils.DOMSVGFactory()
          });
          if (element.isRenderable) {
            parameters.div.appendChild(element.render());
          }
        }
      }
    }, {
      key: 'update',
      value: function update(parameters) {
        for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
          var data = parameters.annotations[i];
          var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
          if (element) {
            element.style.transform = 'matrix(' + parameters.viewport.transform.join(',') + ')';
          }
        }
        parameters.div.removeAttribute('hidden');
      }
    }]);
  
    return AnnotationLayer;
  }();
  
  exports.AnnotationLayer = AnnotationLayer;
  
  /***/ }),
  /* 140 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SVGGraphics = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  var _dom_utils = __w_pdfjs_require__(123);
  
  var _is_node = __w_pdfjs_require__(4);
  
  var _is_node2 = _interopRequireDefault(_is_node);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  var SVGGraphics = function SVGGraphics() {
    throw new Error('Not implemented: SVGGraphics');
  };
  {
    var SVG_DEFAULTS = {
      fontStyle: 'normal',
      fontWeight: 'normal',
      fillColor: '#000000'
    };
    var convertImgDataToPng = function convertImgDataToPngClosure() {
      var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
      var CHUNK_WRAPPER_SIZE = 12;
      var crcTable = new Int32Array(256);
      for (var i = 0; i < 256; i++) {
        var c = i;
        for (var h = 0; h < 8; h++) {
          if (c & 1) {
            c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
          } else {
            c = c >> 1 & 0x7fffffff;
          }
        }
        crcTable[i] = c;
      }
      function crc32(data, start, end) {
        var crc = -1;
        for (var i = start; i < end; i++) {
          var a = (crc ^ data[i]) & 0xff;
          var b = crcTable[a];
          crc = crc >>> 8 ^ b;
        }
        return crc ^ -1;
      }
      function writePngChunk(type, body, data, offset) {
        var p = offset;
        var len = body.length;
        data[p] = len >> 24 & 0xff;
        data[p + 1] = len >> 16 & 0xff;
        data[p + 2] = len >> 8 & 0xff;
        data[p + 3] = len & 0xff;
        p += 4;
        data[p] = type.charCodeAt(0) & 0xff;
        data[p + 1] = type.charCodeAt(1) & 0xff;
        data[p + 2] = type.charCodeAt(2) & 0xff;
        data[p + 3] = type.charCodeAt(3) & 0xff;
        p += 4;
        data.set(body, p);
        p += body.length;
        var crc = crc32(data, offset + 4, p);
        data[p] = crc >> 24 & 0xff;
        data[p + 1] = crc >> 16 & 0xff;
        data[p + 2] = crc >> 8 & 0xff;
        data[p + 3] = crc & 0xff;
      }
      function adler32(data, start, end) {
        var a = 1;
        var b = 0;
        for (var i = start; i < end; ++i) {
          a = (a + (data[i] & 0xff)) % 65521;
          b = (b + a) % 65521;
        }
        return b << 16 | a;
      }
      function deflateSync(literals) {
        if (!(0, _is_node2.default)()) {
          return deflateSyncUncompressed(literals);
        }
        try {
          var input;
          if (parseInt(process.versions.node) >= 8) {
            input = literals;
          } else {
            input = new Buffer(literals);
          }
          var output = require('zlib').deflateSync(input, { level: 9 });
          return output instanceof Uint8Array ? output : new Uint8Array(output);
        } catch (e) {
          (0, _util.warn)('Not compressing PNG because zlib.deflateSync is unavailable: ' + e);
        }
        return deflateSyncUncompressed(literals);
      }
      function deflateSyncUncompressed(literals) {
        var len = literals.length;
        var maxBlockLength = 0xFFFF;
        var deflateBlocks = Math.ceil(len / maxBlockLength);
        var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
        var pi = 0;
        idat[pi++] = 0x78;
        idat[pi++] = 0x9c;
        var pos = 0;
        while (len > maxBlockLength) {
          idat[pi++] = 0x00;
          idat[pi++] = 0xff;
          idat[pi++] = 0xff;
          idat[pi++] = 0x00;
          idat[pi++] = 0x00;
          idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
          pi += maxBlockLength;
          pos += maxBlockLength;
          len -= maxBlockLength;
        }
        idat[pi++] = 0x01;
        idat[pi++] = len & 0xff;
        idat[pi++] = len >> 8 & 0xff;
        idat[pi++] = ~len & 0xffff & 0xff;
        idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
        idat.set(literals.subarray(pos), pi);
        pi += literals.length - pos;
        var adler = adler32(literals, 0, literals.length);
        idat[pi++] = adler >> 24 & 0xff;
        idat[pi++] = adler >> 16 & 0xff;
        idat[pi++] = adler >> 8 & 0xff;
        idat[pi++] = adler & 0xff;
        return idat;
      }
      function encode(imgData, kind, forceDataSchema, isMask) {
        var width = imgData.width;
        var height = imgData.height;
        var bitDepth, colorType, lineSize;
        var bytes = imgData.data;
        switch (kind) {
          case _util.ImageKind.GRAYSCALE_1BPP:
            colorType = 0;
            bitDepth = 1;
            lineSize = width + 7 >> 3;
            break;
          case _util.ImageKind.RGB_24BPP:
            colorType = 2;
            bitDepth = 8;
            lineSize = width * 3;
            break;
          case _util.ImageKind.RGBA_32BPP:
            colorType = 6;
            bitDepth = 8;
            lineSize = width * 4;
            break;
          default:
            throw new Error('invalid format');
        }
        var literals = new Uint8Array((1 + lineSize) * height);
        var offsetLiterals = 0,
            offsetBytes = 0;
        var y, i;
        for (y = 0; y < height; ++y) {
          literals[offsetLiterals++] = 0;
          literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
          offsetBytes += lineSize;
          offsetLiterals += lineSize;
        }
        if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
          offsetLiterals = 0;
          for (y = 0; y < height; y++) {
            offsetLiterals++;
            for (i = 0; i < lineSize; i++) {
              literals[offsetLiterals++] ^= 0xFF;
            }
          }
        }
        var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
        var idat = deflateSync(literals);
        var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
        var data = new Uint8Array(pngLength);
        var offset = 0;
        data.set(PNG_HEADER, offset);
        offset += PNG_HEADER.length;
        writePngChunk('IHDR', ihdr, data, offset);
        offset += CHUNK_WRAPPER_SIZE + ihdr.length;
        writePngChunk('IDATA', idat, data, offset);
        offset += CHUNK_WRAPPER_SIZE + idat.length;
        writePngChunk('IEND', new Uint8Array(0), data, offset);
        return (0, _util.createObjectURL)(data, 'image/png', forceDataSchema);
      }
      return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
        var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
        return encode(imgData, kind, forceDataSchema, isMask);
      };
    }();
    var SVGExtraState = function SVGExtraStateClosure() {
      function SVGExtraState() {
        this.fontSizeScale = 1;
        this.fontWeight = SVG_DEFAULTS.fontWeight;
        this.fontSize = 0;
        this.textMatrix = _util.IDENTITY_MATRIX;
        this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
        this.leading = 0;
        this.textRenderingMode = _util.TextRenderingMode.FILL;
        this.x = 0;
        this.y = 0;
        this.lineX = 0;
        this.lineY = 0;
        this.charSpacing = 0;
        this.wordSpacing = 0;
        this.textHScale = 1;
        this.textRise = 0;
        this.fillColor = SVG_DEFAULTS.fillColor;
        this.strokeColor = '#000000';
        this.fillAlpha = 1;
        this.strokeAlpha = 1;
        this.lineWidth = 1;
        this.lineJoin = '';
        this.lineCap = '';
        this.miterLimit = 0;
        this.dashArray = [];
        this.dashPhase = 0;
        this.dependencies = [];
        this.activeClipUrl = null;
        this.clipGroup = null;
        this.maskId = '';
      }
      SVGExtraState.prototype = {
        clone: function SVGExtraState_clone() {
          return Object.create(this);
        },
        setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
          this.x = x;
          this.y = y;
        }
      };
      return SVGExtraState;
    }();
    exports.SVGGraphics = SVGGraphics = function SVGGraphicsClosure() {
      function opListToTree(opList) {
        var opTree = [];
        var tmp = [];
        var opListLen = opList.length;
        for (var x = 0; x < opListLen; x++) {
          if (opList[x].fn === 'save') {
            opTree.push({
              'fnId': 92,
              'fn': 'group',
              'items': []
            });
            tmp.push(opTree);
            opTree = opTree[opTree.length - 1].items;
            continue;
          }
          if (opList[x].fn === 'restore') {
            opTree = tmp.pop();
          } else {
            opTree.push(opList[x]);
          }
        }
        return opTree;
      }
      function pf(value) {
        if (Number.isInteger(value)) {
          return value.toString();
        }
        var s = value.toFixed(10);
        var i = s.length - 1;
        if (s[i] !== '0') {
          return s;
        }
        do {
          i--;
        } while (s[i] === '0');
        return s.substr(0, s[i] === '.' ? i : i + 1);
      }
      function pm(m) {
        if (m[4] === 0 && m[5] === 0) {
          if (m[1] === 0 && m[2] === 0) {
            if (m[0] === 1 && m[3] === 1) {
              return '';
            }
            return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
          }
          if (m[0] === m[3] && m[1] === -m[2]) {
            var a = Math.acos(m[0]) * 180 / Math.PI;
            return 'rotate(' + pf(a) + ')';
          }
        } else {
          if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
            return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
          }
        }
        return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
      }
      function SVGGraphics(commonObjs, objs, forceDataSchema) {
        this.svgFactory = new _dom_utils.DOMSVGFactory();
        this.current = new SVGExtraState();
        this.transformMatrix = _util.IDENTITY_MATRIX;
        this.transformStack = [];
        this.extraStack = [];
        this.commonObjs = commonObjs;
        this.objs = objs;
        this.pendingClip = null;
        this.pendingEOFill = false;
        this.embedFonts = false;
        this.embeddedFonts = Object.create(null);
        this.cssStyle = null;
        this.forceDataSchema = !!forceDataSchema;
      }
      var XML_NS = 'http://www.w3.org/XML/1998/namespace';
      var XLINK_NS = 'http://www.w3.org/1999/xlink';
      var LINE_CAP_STYLES = ['butt', 'round', 'square'];
      var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
      var clipCount = 0;
      var maskCount = 0;
      SVGGraphics.prototype = {
        save: function SVGGraphics_save() {
          this.transformStack.push(this.transformMatrix);
          var old = this.current;
          this.extraStack.push(old);
          this.current = old.clone();
        },
        restore: function SVGGraphics_restore() {
          this.transformMatrix = this.transformStack.pop();
          this.current = this.extraStack.pop();
          this.pendingClip = null;
          this.tgrp = null;
        },
        group: function SVGGraphics_group(items) {
          this.save();
          this.executeOpTree(items);
          this.restore();
        },
        loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
          var _this = this;
  
          var fnArray = operatorList.fnArray;
          var fnArrayLen = fnArray.length;
          var argsArray = operatorList.argsArray;
          for (var i = 0; i < fnArrayLen; i++) {
            if (_util.OPS.dependency === fnArray[i]) {
              var deps = argsArray[i];
              for (var n = 0, nn = deps.length; n < nn; n++) {
                var obj = deps[n];
                var common = obj.substring(0, 2) === 'g_';
                var promise;
                if (common) {
                  promise = new Promise(function (resolve) {
                    _this.commonObjs.get(obj, resolve);
                  });
                } else {
                  promise = new Promise(function (resolve) {
                    _this.objs.get(obj, resolve);
                  });
                }
                this.current.dependencies.push(promise);
              }
            }
          }
          return Promise.all(this.current.dependencies);
        },
        transform: function SVGGraphics_transform(a, b, c, d, e, f) {
          var transformMatrix = [a, b, c, d, e, f];
          this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
          this.tgrp = null;
        },
        getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
          var _this2 = this;
  
          this.viewport = viewport;
          var svgElement = this._initialize(viewport);
          return this.loadDependencies(operatorList).then(function () {
            _this2.transformMatrix = _util.IDENTITY_MATRIX;
            var opTree = _this2.convertOpList(operatorList);
            _this2.executeOpTree(opTree);
            return svgElement;
          });
        },
        convertOpList: function SVGGraphics_convertOpList(operatorList) {
          var argsArray = operatorList.argsArray;
          var fnArray = operatorList.fnArray;
          var fnArrayLen = fnArray.length;
          var REVOPS = [];
          var opList = [];
          for (var op in _util.OPS) {
            REVOPS[_util.OPS[op]] = op;
          }
          for (var x = 0; x < fnArrayLen; x++) {
            var fnId = fnArray[x];
            opList.push({
              'fnId': fnId,
              'fn': REVOPS[fnId],
              'args': argsArray[x]
            });
          }
          return opListToTree(opList);
        },
        executeOpTree: function SVGGraphics_executeOpTree(opTree) {
          var opTreeLen = opTree.length;
          for (var x = 0; x < opTreeLen; x++) {
            var fn = opTree[x].fn;
            var fnId = opTree[x].fnId;
            var args = opTree[x].args;
            switch (fnId | 0) {
              case _util.OPS.beginText:
                this.beginText();
                break;
              case _util.OPS.dependency:
                break;
              case _util.OPS.setLeading:
                this.setLeading(args);
                break;
              case _util.OPS.setLeadingMoveText:
                this.setLeadingMoveText(args[0], args[1]);
                break;
              case _util.OPS.setFont:
                this.setFont(args);
                break;
              case _util.OPS.showText:
                this.showText(args[0]);
                break;
              case _util.OPS.showSpacedText:
                this.showText(args[0]);
                break;
              case _util.OPS.endText:
                this.endText();
                break;
              case _util.OPS.moveText:
                this.moveText(args[0], args[1]);
                break;
              case _util.OPS.setCharSpacing:
                this.setCharSpacing(args[0]);
                break;
              case _util.OPS.setWordSpacing:
                this.setWordSpacing(args[0]);
                break;
              case _util.OPS.setHScale:
                this.setHScale(args[0]);
                break;
              case _util.OPS.setTextMatrix:
                this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
                break;
              case _util.OPS.setTextRise:
                this.setTextRise(args[0]);
                break;
              case _util.OPS.setTextRenderingMode:
                this.setTextRenderingMode(args[0]);
                break;
              case _util.OPS.setLineWidth:
                this.setLineWidth(args[0]);
                break;
              case _util.OPS.setLineJoin:
                this.setLineJoin(args[0]);
                break;
              case _util.OPS.setLineCap:
                this.setLineCap(args[0]);
                break;
              case _util.OPS.setMiterLimit:
                this.setMiterLimit(args[0]);
                break;
              case _util.OPS.setFillRGBColor:
                this.setFillRGBColor(args[0], args[1], args[2]);
                break;
              case _util.OPS.setStrokeRGBColor:
                this.setStrokeRGBColor(args[0], args[1], args[2]);
                break;
              case _util.OPS.setDash:
                this.setDash(args[0], args[1]);
                break;
              case _util.OPS.setGState:
                this.setGState(args[0]);
                break;
              case _util.OPS.fill:
                this.fill();
                break;
              case _util.OPS.eoFill:
                this.eoFill();
                break;
              case _util.OPS.stroke:
                this.stroke();
                break;
              case _util.OPS.fillStroke:
                this.fillStroke();
                break;
              case _util.OPS.eoFillStroke:
                this.eoFillStroke();
                break;
              case _util.OPS.clip:
                this.clip('nonzero');
                break;
              case _util.OPS.eoClip:
                this.clip('evenodd');
                break;
              case _util.OPS.paintSolidColorImageMask:
                this.paintSolidColorImageMask();
                break;
              case _util.OPS.paintJpegXObject:
                this.paintJpegXObject(args[0], args[1], args[2]);
                break;
              case _util.OPS.paintImageXObject:
                this.paintImageXObject(args[0]);
                break;
              case _util.OPS.paintInlineImageXObject:
                this.paintInlineImageXObject(args[0]);
                break;
              case _util.OPS.paintImageMaskXObject:
                this.paintImageMaskXObject(args[0]);
                break;
              case _util.OPS.paintFormXObjectBegin:
                this.paintFormXObjectBegin(args[0], args[1]);
                break;
              case _util.OPS.paintFormXObjectEnd:
                this.paintFormXObjectEnd();
                break;
              case _util.OPS.closePath:
                this.closePath();
                break;
              case _util.OPS.closeStroke:
                this.closeStroke();
                break;
              case _util.OPS.closeFillStroke:
                this.closeFillStroke();
                break;
              case _util.OPS.closeEOFillStroke:
                this.closeEOFillStroke();
                break;
              case _util.OPS.nextLine:
                this.nextLine();
                break;
              case _util.OPS.transform:
                this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
                break;
              case _util.OPS.constructPath:
                this.constructPath(args[0], args[1]);
                break;
              case _util.OPS.endPath:
                this.endPath();
                break;
              case 92:
                this.group(opTree[x].items);
                break;
              default:
                (0, _util.warn)('Unimplemented operator ' + fn);
                break;
            }
          }
        },
        setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
          this.current.wordSpacing = wordSpacing;
        },
        setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
          this.current.charSpacing = charSpacing;
        },
        nextLine: function SVGGraphics_nextLine() {
          this.moveText(0, this.current.leading);
        },
        setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
          var current = this.current;
          this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f];
          this.current.x = this.current.lineX = 0;
          this.current.y = this.current.lineY = 0;
          current.xcoords = [];
          current.tspan = this.svgFactory.createElement('svg:tspan');
          current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
          current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
          current.tspan.setAttributeNS(null, 'y', pf(-current.y));
          current.txtElement = this.svgFactory.createElement('svg:text');
          current.txtElement.appendChild(current.tspan);
        },
        beginText: function SVGGraphics_beginText() {
          this.current.x = this.current.lineX = 0;
          this.current.y = this.current.lineY = 0;
          this.current.textMatrix = _util.IDENTITY_MATRIX;
          this.current.lineMatrix = _util.IDENTITY_MATRIX;
          this.current.tspan = this.svgFactory.createElement('svg:tspan');
          this.current.txtElement = this.svgFactory.createElement('svg:text');
          this.current.txtgrp = this.svgFactory.createElement('svg:g');
          this.current.xcoords = [];
        },
        moveText: function SVGGraphics_moveText(x, y) {
          var current = this.current;
          this.current.x = this.current.lineX += x;
          this.current.y = this.current.lineY += y;
          current.xcoords = [];
          current.tspan = this.svgFactory.createElement('svg:tspan');
          current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
          current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
          current.tspan.setAttributeNS(null, 'y', pf(-current.y));
        },
        showText: function SVGGraphics_showText(glyphs) {
          var current = this.current;
          var font = current.font;
          var fontSize = current.fontSize;
          if (fontSize === 0) {
            return;
          }
          var charSpacing = current.charSpacing;
          var wordSpacing = current.wordSpacing;
          var fontDirection = current.fontDirection;
          var textHScale = current.textHScale * fontDirection;
          var glyphsLength = glyphs.length;
          var vertical = font.vertical;
          var widthAdvanceScale = fontSize * current.fontMatrix[0];
          var x = 0,
              i;
          for (i = 0; i < glyphsLength; ++i) {
            var glyph = glyphs[i];
            if (glyph === null) {
              x += fontDirection * wordSpacing;
              continue;
            } else if ((0, _util.isNum)(glyph)) {
              x += -glyph * fontSize * 0.001;
              continue;
            }
            var width = glyph.width;
            var character = glyph.fontChar;
            var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
            var charWidth = width * widthAdvanceScale + spacing * fontDirection;
            if (!glyph.isInFont && !font.missingFile) {
              x += charWidth;
              continue;
            }
            current.xcoords.push(current.x + x * textHScale);
            current.tspan.textContent += character;
            x += charWidth;
          }
          if (vertical) {
            current.y -= x * textHScale;
          } else {
            current.x += x * textHScale;
          }
          current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
          current.tspan.setAttributeNS(null, 'y', pf(-current.y));
          current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
          current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
          if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
            current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
          }
          if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
            current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
          }
          var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
          if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            if (current.fillColor !== SVG_DEFAULTS.fillColor) {
              current.tspan.setAttributeNS(null, 'fill', current.fillColor);
            }
            if (current.fillAlpha < 1) {
              current.tspan.setAttributeNS(null, 'fill-opacity', current.fillAlpha);
            }
          } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
            current.tspan.setAttributeNS(null, 'fill', 'transparent');
          } else {
            current.tspan.setAttributeNS(null, 'fill', 'none');
          }
          if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
            this._setStrokeAttributes(current.tspan);
          }
          var textMatrix = current.textMatrix;
          if (current.textRise !== 0) {
            textMatrix = textMatrix.slice();
            textMatrix[5] += current.textRise;
          }
          current.txtElement.setAttributeNS(null, 'transform', pm(textMatrix) + ' scale(1, -1)');
          current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
          current.txtElement.appendChild(current.tspan);
          current.txtgrp.appendChild(current.txtElement);
          this._ensureTransformGroup().appendChild(current.txtElement);
        },
        setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
          this.setLeading(-y);
          this.moveText(x, y);
        },
        addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
          if (!this.cssStyle) {
            this.cssStyle = this.svgFactory.createElement('svg:style');
            this.cssStyle.setAttributeNS(null, 'type', 'text/css');
            this.defs.appendChild(this.cssStyle);
          }
          var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
          this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
        },
        setFont: function SVGGraphics_setFont(details) {
          var current = this.current;
          var fontObj = this.commonObjs.get(details[0]);
          var size = details[1];
          this.current.font = fontObj;
          if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
            this.addFontStyle(fontObj);
            this.embeddedFonts[fontObj.loadedName] = fontObj;
          }
          current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
          var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
          var italic = fontObj.italic ? 'italic' : 'normal';
          if (size < 0) {
            size = -size;
            current.fontDirection = -1;
          } else {
            current.fontDirection = 1;
          }
          current.fontSize = size;
          current.fontFamily = fontObj.loadedName;
          current.fontWeight = bold;
          current.fontStyle = italic;
          current.tspan = this.svgFactory.createElement('svg:tspan');
          current.tspan.setAttributeNS(null, 'y', pf(-current.y));
          current.xcoords = [];
        },
        endText: function endText() {
          var current = this.current;
          if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
            current.element = current.txtElement;
            this.clip('nonzero');
            this.endPath();
          }
        },
  
        setLineWidth: function SVGGraphics_setLineWidth(width) {
          this.current.lineWidth = width;
        },
        setLineCap: function SVGGraphics_setLineCap(style) {
          this.current.lineCap = LINE_CAP_STYLES[style];
        },
        setLineJoin: function SVGGraphics_setLineJoin(style) {
          this.current.lineJoin = LINE_JOIN_STYLES[style];
        },
        setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
          this.current.miterLimit = limit;
        },
        setStrokeAlpha: function SVGGraphics_setStrokeAlpha(strokeAlpha) {
          this.current.strokeAlpha = strokeAlpha;
        },
        setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
          var color = _util.Util.makeCssRgb(r, g, b);
          this.current.strokeColor = color;
        },
        setFillAlpha: function SVGGraphics_setFillAlpha(fillAlpha) {
          this.current.fillAlpha = fillAlpha;
        },
        setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
          var color = _util.Util.makeCssRgb(r, g, b);
          this.current.fillColor = color;
          this.current.tspan = this.svgFactory.createElement('svg:tspan');
          this.current.xcoords = [];
        },
        setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
          this.current.dashArray = dashArray;
          this.current.dashPhase = dashPhase;
        },
        constructPath: function SVGGraphics_constructPath(ops, args) {
          var current = this.current;
          var x = current.x,
              y = current.y;
          current.path = this.svgFactory.createElement('svg:path');
          var d = [];
          var opLength = ops.length;
          for (var i = 0, j = 0; i < opLength; i++) {
            switch (ops[i] | 0) {
              case _util.OPS.rectangle:
                x = args[j++];
                y = args[j++];
                var width = args[j++];
                var height = args[j++];
                var xw = x + width;
                var yh = y + height;
                d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
                break;
              case _util.OPS.moveTo:
                x = args[j++];
                y = args[j++];
                d.push('M', pf(x), pf(y));
                break;
              case _util.OPS.lineTo:
                x = args[j++];
                y = args[j++];
                d.push('L', pf(x), pf(y));
                break;
              case _util.OPS.curveTo:
                x = args[j + 4];
                y = args[j + 5];
                d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
                j += 6;
                break;
              case _util.OPS.curveTo2:
                x = args[j + 2];
                y = args[j + 3];
                d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
                j += 4;
                break;
              case _util.OPS.curveTo3:
                x = args[j + 2];
                y = args[j + 3];
                d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
                j += 4;
                break;
              case _util.OPS.closePath:
                d.push('Z');
                break;
            }
          }
          current.path.setAttributeNS(null, 'd', d.join(' '));
          current.path.setAttributeNS(null, 'fill', 'none');
          this._ensureTransformGroup().appendChild(current.path);
          current.element = current.path;
          current.setCurrentPoint(x, y);
        },
        endPath: function SVGGraphics_endPath() {
          if (!this.pendingClip) {
            return;
          }
          var current = this.current;
          var clipId = 'clippath' + clipCount;
          clipCount++;
          var clipPath = this.svgFactory.createElement('svg:clipPath');
          clipPath.setAttributeNS(null, 'id', clipId);
          clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
          var clipElement = current.element.cloneNode(true);
          if (this.pendingClip === 'evenodd') {
            clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
          } else {
            clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
          }
          this.pendingClip = null;
          clipPath.appendChild(clipElement);
          this.defs.appendChild(clipPath);
          if (current.activeClipUrl) {
            current.clipGroup = null;
            this.extraStack.forEach(function (prev) {
              prev.clipGroup = null;
            });
            clipPath.setAttributeNS(null, 'clip-path', current.activeClipUrl);
          }
          current.activeClipUrl = 'url(#' + clipId + ')';
          this.tgrp = null;
        },
        clip: function SVGGraphics_clip(type) {
          this.pendingClip = type;
        },
        closePath: function SVGGraphics_closePath() {
          var current = this.current;
          if (current.path) {
            var d = current.path.getAttributeNS(null, 'd');
            d += 'Z';
            current.path.setAttributeNS(null, 'd', d);
          }
        },
        setLeading: function SVGGraphics_setLeading(leading) {
          this.current.leading = -leading;
        },
        setTextRise: function SVGGraphics_setTextRise(textRise) {
          this.current.textRise = textRise;
        },
        setTextRenderingMode: function setTextRenderingMode(textRenderingMode) {
          this.current.textRenderingMode = textRenderingMode;
        },
  
        setHScale: function SVGGraphics_setHScale(scale) {
          this.current.textHScale = scale / 100;
        },
        setGState: function SVGGraphics_setGState(states) {
          for (var i = 0, ii = states.length; i < ii; i++) {
            var state = states[i];
            var key = state[0];
            var value = state[1];
            switch (key) {
              case 'LW':
                this.setLineWidth(value);
                break;
              case 'LC':
                this.setLineCap(value);
                break;
              case 'LJ':
                this.setLineJoin(value);
                break;
              case 'ML':
                this.setMiterLimit(value);
                break;
              case 'D':
                this.setDash(value[0], value[1]);
                break;
              case 'Font':
                this.setFont(value);
                break;
              case 'CA':
                this.setStrokeAlpha(value);
                break;
              case 'ca':
                this.setFillAlpha(value);
                break;
              default:
                (0, _util.warn)('Unimplemented graphic state ' + key);
                break;
            }
          }
        },
        fill: function SVGGraphics_fill() {
          var current = this.current;
          if (current.element) {
            current.element.setAttributeNS(null, 'fill', current.fillColor);
            current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha);
            this.endPath();
          }
        },
        stroke: function SVGGraphics_stroke() {
          var current = this.current;
          if (current.element) {
            this._setStrokeAttributes(current.element);
            current.element.setAttributeNS(null, 'fill', 'none');
            this.endPath();
          }
        },
        _setStrokeAttributes: function _setStrokeAttributes(element) {
          var current = this.current;
          element.setAttributeNS(null, 'stroke', current.strokeColor);
          element.setAttributeNS(null, 'stroke-opacity', current.strokeAlpha);
          element.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
          element.setAttributeNS(null, 'stroke-linecap', current.lineCap);
          element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
          element.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
          element.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
          element.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
        },
  
        eoFill: function SVGGraphics_eoFill() {
          if (this.current.element) {
            this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
          }
          this.fill();
        },
        fillStroke: function SVGGraphics_fillStroke() {
          this.stroke();
          this.fill();
        },
        eoFillStroke: function SVGGraphics_eoFillStroke() {
          if (this.current.element) {
            this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
          }
          this.fillStroke();
        },
        closeStroke: function SVGGraphics_closeStroke() {
          this.closePath();
          this.stroke();
        },
        closeFillStroke: function SVGGraphics_closeFillStroke() {
          this.closePath();
          this.fillStroke();
        },
        closeEOFillStroke: function closeEOFillStroke() {
          this.closePath();
          this.eoFillStroke();
        },
  
        paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
          var current = this.current;
          var rect = this.svgFactory.createElement('svg:rect');
          rect.setAttributeNS(null, 'x', '0');
          rect.setAttributeNS(null, 'y', '0');
          rect.setAttributeNS(null, 'width', '1px');
          rect.setAttributeNS(null, 'height', '1px');
          rect.setAttributeNS(null, 'fill', current.fillColor);
          this._ensureTransformGroup().appendChild(rect);
        },
        paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
          var imgObj = this.objs.get(objId);
          var imgEl = this.svgFactory.createElement('svg:image');
          imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
          imgEl.setAttributeNS(null, 'width', pf(w));
          imgEl.setAttributeNS(null, 'height', pf(h));
          imgEl.setAttributeNS(null, 'x', '0');
          imgEl.setAttributeNS(null, 'y', pf(-h));
          imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
          this._ensureTransformGroup().appendChild(imgEl);
        },
        paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
          var imgData = this.objs.get(objId);
          if (!imgData) {
            (0, _util.warn)('Dependent image isn\'t ready yet');
            return;
          }
          this.paintInlineImageXObject(imgData);
        },
        paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
          var width = imgData.width;
          var height = imgData.height;
          var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
          var cliprect = this.svgFactory.createElement('svg:rect');
          cliprect.setAttributeNS(null, 'x', '0');
          cliprect.setAttributeNS(null, 'y', '0');
          cliprect.setAttributeNS(null, 'width', pf(width));
          cliprect.setAttributeNS(null, 'height', pf(height));
          this.current.element = cliprect;
          this.clip('nonzero');
          var imgEl = this.svgFactory.createElement('svg:image');
          imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
          imgEl.setAttributeNS(null, 'x', '0');
          imgEl.setAttributeNS(null, 'y', pf(-height));
          imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
          imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
          imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
          if (mask) {
            mask.appendChild(imgEl);
          } else {
            this._ensureTransformGroup().appendChild(imgEl);
          }
        },
        paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
          var current = this.current;
          var width = imgData.width;
          var height = imgData.height;
          var fillColor = current.fillColor;
          current.maskId = 'mask' + maskCount++;
          var mask = this.svgFactory.createElement('svg:mask');
          mask.setAttributeNS(null, 'id', current.maskId);
          var rect = this.svgFactory.createElement('svg:rect');
          rect.setAttributeNS(null, 'x', '0');
          rect.setAttributeNS(null, 'y', '0');
          rect.setAttributeNS(null, 'width', pf(width));
          rect.setAttributeNS(null, 'height', pf(height));
          rect.setAttributeNS(null, 'fill', fillColor);
          rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
          this.defs.appendChild(mask);
          this._ensureTransformGroup().appendChild(rect);
          this.paintInlineImageXObject(imgData, mask);
        },
        paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
          if (Array.isArray(matrix) && matrix.length === 6) {
            this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
          }
          if (Array.isArray(bbox) && bbox.length === 4) {
            var width = bbox[2] - bbox[0];
            var height = bbox[3] - bbox[1];
            var cliprect = this.svgFactory.createElement('svg:rect');
            cliprect.setAttributeNS(null, 'x', bbox[0]);
            cliprect.setAttributeNS(null, 'y', bbox[1]);
            cliprect.setAttributeNS(null, 'width', pf(width));
            cliprect.setAttributeNS(null, 'height', pf(height));
            this.current.element = cliprect;
            this.clip('nonzero');
            this.endPath();
          }
        },
        paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {},
        _initialize: function _initialize(viewport) {
          var svg = this.svgFactory.create(viewport.width, viewport.height);
          var definitions = this.svgFactory.createElement('svg:defs');
          svg.appendChild(definitions);
          this.defs = definitions;
          var rootGroup = this.svgFactory.createElement('svg:g');
          rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
          svg.appendChild(rootGroup);
          this.svg = rootGroup;
          return svg;
        },
  
        _ensureClipGroup: function SVGGraphics_ensureClipGroup() {
          if (!this.current.clipGroup) {
            var clipGroup = this.svgFactory.createElement('svg:g');
            clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
            this.svg.appendChild(clipGroup);
            this.current.clipGroup = clipGroup;
          }
          return this.current.clipGroup;
        },
        _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
          if (!this.tgrp) {
            this.tgrp = this.svgFactory.createElement('svg:g');
            this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
            if (this.current.activeClipUrl) {
              this._ensureClipGroup().appendChild(this.tgrp);
            } else {
              this.svg.appendChild(this.tgrp);
            }
          }
          return this.tgrp;
        }
      };
      return SVGGraphics;
    }();
  }
  exports.SVGGraphics = SVGGraphics;
  
  /***/ }),
  /* 141 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFNodeStream = undefined;
  
  var _regenerator = __w_pdfjs_require__(130);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(142);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  var fs = require('fs');
  var http = require('http');
  var https = require('https');
  var url = require('url');
  
  var fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
  function parseUrl(sourceUrl) {
    var parsedUrl = url.parse(sourceUrl);
    if (parsedUrl.protocol === 'file:' || parsedUrl.host) {
      return parsedUrl;
    }
    if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
      return url.parse('file:///' + sourceUrl);
    }
    if (!parsedUrl.host) {
      parsedUrl.protocol = 'file:';
    }
    return parsedUrl;
  }
  
  var PDFNodeStream = function () {
    function PDFNodeStream(source) {
      _classCallCheck(this, PDFNodeStream);
  
      this.source = source;
      this.url = parseUrl(source.url);
      this.isHttp = this.url.protocol === 'http:' || this.url.protocol === 'https:';
      this.isFsUrl = this.url.protocol === 'file:';
      this.httpHeaders = this.isHttp && source.httpHeaders || {};
      this._fullRequest = null;
      this._rangeRequestReaders = [];
    }
  
    _createClass(PDFNodeStream, [{
      key: 'getFullReader',
      value: function getFullReader() {
        (0, _util.assert)(!this._fullRequest);
        this._fullRequest = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
        return this._fullRequest;
      }
    }, {
      key: 'getRangeReader',
      value: function getRangeReader(start, end) {
        var rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
        this._rangeRequestReaders.push(rangeReader);
        return rangeReader;
      }
    }, {
      key: 'cancelAllRequests',
      value: function cancelAllRequests(reason) {
        if (this._fullRequest) {
          this._fullRequest.cancel(reason);
        }
        var readers = this._rangeRequestReaders.slice(0);
        readers.forEach(function (reader) {
          reader.cancel(reason);
        });
      }
    }]);
  
    return PDFNodeStream;
  }();
  
  var BaseFullReader = function () {
    function BaseFullReader(stream) {
      _classCallCheck(this, BaseFullReader);
  
      this._url = stream.url;
      this._done = false;
      this._storedError = null;
      this.onProgress = null;
      var source = stream.source;
      this._contentLength = source.length;
      this._loaded = 0;
      this._filename = null;
      this._disableRange = source.disableRange || false;
      this._rangeChunkSize = source.rangeChunkSize;
      if (!this._rangeChunkSize && !this._disableRange) {
        this._disableRange = true;
      }
      this._isStreamingSupported = !source.disableStream;
      this._isRangeSupported = !source.disableRange;
      this._readableStream = null;
      this._readCapability = (0, _util.createPromiseCapability)();
      this._headersCapability = (0, _util.createPromiseCapability)();
    }
  
    _createClass(BaseFullReader, [{
      key: 'read',
      value: function () {
        var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
          var chunk, buffer;
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return this._readCapability.promise;
  
                case 2:
                  if (!this._done) {
                    _context.next = 4;
                    break;
                  }
  
                  return _context.abrupt('return', {
                    value: undefined,
                    done: true
                  });
  
                case 4:
                  if (!this._storedError) {
                    _context.next = 6;
                    break;
                  }
  
                  throw this._storedError;
  
                case 6:
                  chunk = this._readableStream.read();
  
                  if (!(chunk === null)) {
                    _context.next = 10;
                    break;
                  }
  
                  this._readCapability = (0, _util.createPromiseCapability)();
                  return _context.abrupt('return', this.read());
  
                case 10:
                  this._loaded += chunk.length;
                  if (this.onProgress) {
                    this.onProgress({
                      loaded: this._loaded,
                      total: this._contentLength
                    });
                  }
                  buffer = new Uint8Array(chunk).buffer;
                  return _context.abrupt('return', {
                    value: buffer,
                    done: false
                  });
  
                case 14:
                case 'end':
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function read() {
          return _ref.apply(this, arguments);
        }
  
        return read;
      }()
    }, {
      key: 'cancel',
      value: function cancel(reason) {
        if (!this._readableStream) {
          this._error(reason);
          return;
        }
        this._readableStream.destroy(reason);
      }
    }, {
      key: '_error',
      value: function _error(reason) {
        this._storedError = reason;
        this._readCapability.resolve();
      }
    }, {
      key: '_setReadableStream',
      value: function _setReadableStream(readableStream) {
        var _this = this;
  
        this._readableStream = readableStream;
        readableStream.on('readable', function () {
          _this._readCapability.resolve();
        });
        readableStream.on('end', function () {
          readableStream.destroy();
          _this._done = true;
          _this._readCapability.resolve();
        });
        readableStream.on('error', function (reason) {
          _this._error(reason);
        });
        if (!this._isStreamingSupported && this._isRangeSupported) {
          this._error(new _util.AbortException('streaming is disabled'));
        }
        if (this._storedError) {
          this._readableStream.destroy(this._storedError);
        }
      }
    }, {
      key: 'headersReady',
      get: function get() {
        return this._headersCapability.promise;
      }
    }, {
      key: 'filename',
      get: function get() {
        return this._filename;
      }
    }, {
      key: 'contentLength',
      get: function get() {
        return this._contentLength;
      }
    }, {
      key: 'isRangeSupported',
      get: function get() {
        return this._isRangeSupported;
      }
    }, {
      key: 'isStreamingSupported',
      get: function get() {
        return this._isStreamingSupported;
      }
    }]);
  
    return BaseFullReader;
  }();
  
  var BaseRangeReader = function () {
    function BaseRangeReader(stream) {
      _classCallCheck(this, BaseRangeReader);
  
      this._url = stream.url;
      this._done = false;
      this._storedError = null;
      this.onProgress = null;
      this._loaded = 0;
      this._readableStream = null;
      this._readCapability = (0, _util.createPromiseCapability)();
      var source = stream.source;
      this._isStreamingSupported = !source.disableStream;
    }
  
    _createClass(BaseRangeReader, [{
      key: 'read',
      value: function () {
        var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
          var chunk, buffer;
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  _context2.next = 2;
                  return this._readCapability.promise;
  
                case 2:
                  if (!this._done) {
                    _context2.next = 4;
                    break;
                  }
  
                  return _context2.abrupt('return', {
                    value: undefined,
                    done: true
                  });
  
                case 4:
                  if (!this._storedError) {
                    _context2.next = 6;
                    break;
                  }
  
                  throw this._storedError;
  
                case 6:
                  chunk = this._readableStream.read();
  
                  if (!(chunk === null)) {
                    _context2.next = 10;
                    break;
                  }
  
                  this._readCapability = (0, _util.createPromiseCapability)();
                  return _context2.abrupt('return', this.read());
  
                case 10:
                  this._loaded += chunk.length;
                  if (this.onProgress) {
                    this.onProgress({ loaded: this._loaded });
                  }
                  buffer = new Uint8Array(chunk).buffer;
                  return _context2.abrupt('return', {
                    value: buffer,
                    done: false
                  });
  
                case 14:
                case 'end':
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function read() {
          return _ref2.apply(this, arguments);
        }
  
        return read;
      }()
    }, {
      key: 'cancel',
      value: function cancel(reason) {
        if (!this._readableStream) {
          this._error(reason);
          return;
        }
        this._readableStream.destroy(reason);
      }
    }, {
      key: '_error',
      value: function _error(reason) {
        this._storedError = reason;
        this._readCapability.resolve();
      }
    }, {
      key: '_setReadableStream',
      value: function _setReadableStream(readableStream) {
        var _this2 = this;
  
        this._readableStream = readableStream;
        readableStream.on('readable', function () {
          _this2._readCapability.resolve();
        });
        readableStream.on('end', function () {
          readableStream.destroy();
          _this2._done = true;
          _this2._readCapability.resolve();
        });
        readableStream.on('error', function (reason) {
          _this2._error(reason);
        });
        if (this._storedError) {
          this._readableStream.destroy(this._storedError);
        }
      }
    }, {
      key: 'isStreamingSupported',
      get: function get() {
        return this._isStreamingSupported;
      }
    }]);
  
    return BaseRangeReader;
  }();
  
  function createRequestOptions(url, headers) {
    return {
      protocol: url.protocol,
      auth: url.auth,
      host: url.hostname,
      port: url.port,
      path: url.path,
      method: 'GET',
      headers: headers
    };
  }
  
  var PDFNodeStreamFullReader = function (_BaseFullReader) {
    _inherits(PDFNodeStreamFullReader, _BaseFullReader);
  
    function PDFNodeStreamFullReader(stream) {
      _classCallCheck(this, PDFNodeStreamFullReader);
  
      var _this3 = _possibleConstructorReturn(this, (PDFNodeStreamFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFullReader)).call(this, stream));
  
      var handleResponse = function handleResponse(response) {
        if (response.statusCode === 404) {
          var error = new _util.MissingPDFException('Missing PDF "' + _this3._url + '".');
          _this3._storedError = error;
          _this3._headersCapability.reject(error);
          return;
        }
        _this3._headersCapability.resolve();
        _this3._setReadableStream(response);
        var getResponseHeader = function getResponseHeader(name) {
          return _this3._readableStream.headers[name.toLowerCase()];
        };
  
        var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
          getResponseHeader: getResponseHeader,
          isHttp: stream.isHttp,
          rangeChunkSize: _this3._rangeChunkSize,
          disableRange: _this3._disableRange
        }),
            allowRangeRequests = _validateRangeRequest.allowRangeRequests,
            suggestedLength = _validateRangeRequest.suggestedLength;
  
        _this3._isRangeSupported = allowRangeRequests;
        _this3._contentLength = suggestedLength || _this3._contentLength;
        _this3._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
      };
      _this3._request = null;
      if (_this3._url.protocol === 'http:') {
        _this3._request = http.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
      } else {
        _this3._request = https.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
      }
      _this3._request.on('error', function (reason) {
        _this3._storedError = reason;
        _this3._headersCapability.reject(reason);
      });
      _this3._request.end();
      return _this3;
    }
  
    return PDFNodeStreamFullReader;
  }(BaseFullReader);
  
  var PDFNodeStreamRangeReader = function (_BaseRangeReader) {
    _inherits(PDFNodeStreamRangeReader, _BaseRangeReader);
  
    function PDFNodeStreamRangeReader(stream, start, end) {
      _classCallCheck(this, PDFNodeStreamRangeReader);
  
      var _this4 = _possibleConstructorReturn(this, (PDFNodeStreamRangeReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamRangeReader)).call(this, stream));
  
      _this4._httpHeaders = {};
      for (var property in stream.httpHeaders) {
        var value = stream.httpHeaders[property];
        if (typeof value === 'undefined') {
          continue;
        }
        _this4._httpHeaders[property] = value;
      }
      _this4._httpHeaders['Range'] = 'bytes=' + start + '-' + (end - 1);
      var handleResponse = function handleResponse(response) {
        if (response.statusCode === 404) {
          var error = new _util.MissingPDFException('Missing PDF "' + _this4._url + '".');
          _this4._storedError = error;
          return;
        }
        _this4._setReadableStream(response);
      };
      _this4._request = null;
      if (_this4._url.protocol === 'http:') {
        _this4._request = http.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
      } else {
        _this4._request = https.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
      }
      _this4._request.on('error', function (reason) {
        _this4._storedError = reason;
      });
      _this4._request.end();
      return _this4;
    }
  
    return PDFNodeStreamRangeReader;
  }(BaseRangeReader);
  
  var PDFNodeStreamFsFullReader = function (_BaseFullReader2) {
    _inherits(PDFNodeStreamFsFullReader, _BaseFullReader2);
  
    function PDFNodeStreamFsFullReader(stream) {
      _classCallCheck(this, PDFNodeStreamFsFullReader);
  
      var _this5 = _possibleConstructorReturn(this, (PDFNodeStreamFsFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFsFullReader)).call(this, stream));
  
      var path = decodeURIComponent(_this5._url.path);
      if (fileUriRegex.test(_this5._url.href)) {
        path = path.replace(/^\//, '');
      }
      fs.lstat(path, function (error, stat) {
        if (error) {
          if (error.code === 'ENOENT') {
            error = new _util.MissingPDFException('Missing PDF "' + path + '".');
          }
          _this5._storedError = error;
          _this5._headersCapability.reject(error);
          return;
        }
        _this5._contentLength = stat.size;
        _this5._setReadableStream(fs.createReadStream(path));
        _this5._headersCapability.resolve();
      });
      return _this5;
    }
  
    return PDFNodeStreamFsFullReader;
  }(BaseFullReader);
  
  var PDFNodeStreamFsRangeReader = function (_BaseRangeReader2) {
    _inherits(PDFNodeStreamFsRangeReader, _BaseRangeReader2);
  
    function PDFNodeStreamFsRangeReader(stream, start, end) {
      _classCallCheck(this, PDFNodeStreamFsRangeReader);
  
      var _this6 = _possibleConstructorReturn(this, (PDFNodeStreamFsRangeReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFsRangeReader)).call(this, stream));
  
      var path = decodeURIComponent(_this6._url.path);
      if (fileUriRegex.test(_this6._url.href)) {
        path = path.replace(/^\//, '');
      }
      _this6._setReadableStream(fs.createReadStream(path, {
        start: start,
        end: end - 1
      }));
      return _this6;
    }
  
    return PDFNodeStreamFsRangeReader;
  }(BaseRangeReader);
  
  exports.PDFNodeStream = PDFNodeStream;
  
  /***/ }),
  /* 142 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.validateResponseStatus = exports.validateRangeRequestCapabilities = exports.extractFilenameFromHeader = exports.createResponseStatusError = undefined;
  
  var _util = __w_pdfjs_require__(1);
  
  var _content_disposition = __w_pdfjs_require__(143);
  
  function validateRangeRequestCapabilities(_ref) {
    var getResponseHeader = _ref.getResponseHeader,
        isHttp = _ref.isHttp,
        rangeChunkSize = _ref.rangeChunkSize,
        disableRange = _ref.disableRange;
  
    (0, _util.assert)(rangeChunkSize > 0, 'Range chunk size must be larger than zero');
    var returnValues = {
      allowRangeRequests: false,
      suggestedLength: undefined
    };
    if (disableRange || !isHttp) {
      return returnValues;
    }
    if (getResponseHeader('Accept-Ranges') !== 'bytes') {
      return returnValues;
    }
    var contentEncoding = getResponseHeader('Content-Encoding') || 'identity';
    if (contentEncoding !== 'identity') {
      return returnValues;
    }
    var length = parseInt(getResponseHeader('Content-Length'), 10);
    if (!Number.isInteger(length)) {
      return returnValues;
    }
    returnValues.suggestedLength = length;
    if (length <= 2 * rangeChunkSize) {
      return returnValues;
    }
    returnValues.allowRangeRequests = true;
    return returnValues;
  }
  function extractFilenameFromHeader(getResponseHeader) {
    var contentDisposition = getResponseHeader('Content-Disposition');
    if (contentDisposition) {
      var filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
      if (/\.pdf$/i.test(filename)) {
        return filename;
      }
    }
    return null;
  }
  function createResponseStatusError(status, url) {
    if (status === 404 || status === 0 && /^file:/.test(url)) {
      return new _util.MissingPDFException('Missing PDF "' + url + '".');
    }
    return new _util.UnexpectedResponseException('Unexpected server response (' + status + ') while retrieving PDF "' + url + '".', status);
  }
  function validateResponseStatus(status) {
    return status === 200 || status === 206;
  }
  exports.createResponseStatusError = createResponseStatusError;
  exports.extractFilenameFromHeader = extractFilenameFromHeader;
  exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
  exports.validateResponseStatus = validateResponseStatus;
  
  /***/ }),
  /* 143 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  
  var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
  function getFilenameFromContentDispositionHeader(contentDisposition) {
    var needsEncodingFixup = true;
    var tmp = toParamRegExp('filename\\*', 'i').exec(contentDisposition);
    if (tmp) {
      tmp = tmp[1];
      var filename = rfc2616unquote(tmp);
      filename = unescape(filename);
      filename = rfc5987decode(filename);
      filename = rfc2047decode(filename);
      return fixupEncoding(filename);
    }
    tmp = rfc2231getparam(contentDisposition);
    if (tmp) {
      var _filename = rfc2047decode(tmp);
      return fixupEncoding(_filename);
    }
    tmp = toParamRegExp('filename', 'i').exec(contentDisposition);
    if (tmp) {
      tmp = tmp[1];
      var _filename2 = rfc2616unquote(tmp);
      _filename2 = rfc2047decode(_filename2);
      return fixupEncoding(_filename2);
    }
    function toParamRegExp(attributePattern, flags) {
      return new RegExp('(?:^|;)\\s*' + attributePattern + '\\s*=\\s*' + '(' + '[^";\\s][^;\\s]*' + '|' + '"(?:[^"\\\\]|\\\\"?)+"?' + ')', flags);
    }
    function textdecode(encoding, value) {
      if (encoding) {
        if (!/^[\x00-\xFF]+$/.test(value)) {
          return value;
        }
        try {
          var decoder = new TextDecoder(encoding, { fatal: true });
          var bytes = new Array(value.length);
          for (var i = 0; i < value.length; ++i) {
            bytes[i] = value.charCodeAt(i);
          }
          value = decoder.decode(new Uint8Array(bytes));
          needsEncodingFixup = false;
        } catch (e) {
          if (/^utf-?8$/i.test(encoding)) {
            try {
              value = decodeURIComponent(escape(value));
              needsEncodingFixup = false;
            } catch (err) {}
          }
        }
      }
      return value;
    }
    function fixupEncoding(value) {
      if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
        value = textdecode('utf-8', value);
        if (needsEncodingFixup) {
          value = textdecode('iso-8859-1', value);
        }
      }
      return value;
    }
    function rfc2231getparam(contentDisposition) {
      var matches = [],
          match = void 0;
      var iter = toParamRegExp('filename\\*((?!0\\d)\\d+)(\\*?)', 'ig');
      while ((match = iter.exec(contentDisposition)) !== null) {
        var _match = match,
            _match2 = _slicedToArray(_match, 4),
            n = _match2[1],
            quot = _match2[2],
            part = _match2[3];
  
        n = parseInt(n, 10);
        if (n in matches) {
          if (n === 0) {
            break;
          }
          continue;
        }
        matches[n] = [quot, part];
      }
      var parts = [];
      for (var _n = 0; _n < matches.length; ++_n) {
        if (!(_n in matches)) {
          break;
        }
  
        var _matches$_n = _slicedToArray(matches[_n], 2),
            _quot = _matches$_n[0],
            _part = _matches$_n[1];
  
        _part = rfc2616unquote(_part);
        if (_quot) {
          _part = unescape(_part);
          if (_n === 0) {
            _part = rfc5987decode(_part);
          }
        }
        parts.push(_part);
      }
      return parts.join('');
    }
    function rfc2616unquote(value) {
      if (value.charAt(0) === '"') {
        var parts = value.slice(1).split('\\"');
        for (var i = 0; i < parts.length; ++i) {
          var quotindex = parts[i].indexOf('"');
          if (quotindex !== -1) {
            parts[i] = parts[i].slice(0, quotindex);
            parts.length = i + 1;
          }
          parts[i] = parts[i].replace(/\\(.)/g, '$1');
        }
        value = parts.join('"');
      }
      return value;
    }
    function rfc5987decode(extvalue) {
      var encodingend = extvalue.indexOf('\'');
      if (encodingend === -1) {
        return extvalue;
      }
      var encoding = extvalue.slice(0, encodingend);
      var langvalue = extvalue.slice(encodingend + 1);
      var value = langvalue.replace(/^[^']*'/, '');
      return textdecode(encoding, value);
    }
    function rfc2047decode(value) {
      if (value.slice(0, 2) !== '=?' || /[\x00-\x19\x80-\xff]/.test(value)) {
        return value;
      }
      return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (_, charset, encoding, text) {
        if (encoding === 'q' || encoding === 'Q') {
          text = text.replace(/_/g, ' ');
          text = text.replace(/=([0-9a-fA-F]{2})/g, function (_, hex) {
            return String.fromCharCode(parseInt(hex, 16));
          });
          return textdecode(charset, text);
        }
        try {
          text = atob(text);
        } catch (e) {}
        return textdecode(charset, text);
      });
    }
    return '';
  }
  exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
  
  /***/ }),
  /* 144 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFFetchStream = undefined;
  
  var _regenerator = __w_pdfjs_require__(130);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(142);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function createFetchOptions(headers, withCredentials, abortController) {
    return {
      method: 'GET',
      headers: headers,
      signal: abortController && abortController.signal,
      mode: 'cors',
      credentials: withCredentials ? 'include' : 'same-origin',
      redirect: 'follow'
    };
  }
  
  var PDFFetchStream = function () {
    function PDFFetchStream(source) {
      _classCallCheck(this, PDFFetchStream);
  
      this.source = source;
      this.isHttp = /^https?:/i.test(source.url);
      this.httpHeaders = this.isHttp && source.httpHeaders || {};
      this._fullRequestReader = null;
      this._rangeRequestReaders = [];
    }
  
    _createClass(PDFFetchStream, [{
      key: 'getFullReader',
      value: function getFullReader() {
        (0, _util.assert)(!this._fullRequestReader);
        this._fullRequestReader = new PDFFetchStreamReader(this);
        return this._fullRequestReader;
      }
    }, {
      key: 'getRangeReader',
      value: function getRangeReader(begin, end) {
        var reader = new PDFFetchStreamRangeReader(this, begin, end);
        this._rangeRequestReaders.push(reader);
        return reader;
      }
    }, {
      key: 'cancelAllRequests',
      value: function cancelAllRequests(reason) {
        if (this._fullRequestReader) {
          this._fullRequestReader.cancel(reason);
        }
        var readers = this._rangeRequestReaders.slice(0);
        readers.forEach(function (reader) {
          reader.cancel(reason);
        });
      }
    }]);
  
    return PDFFetchStream;
  }();
  
  var PDFFetchStreamReader = function () {
    function PDFFetchStreamReader(stream) {
      var _this = this;
  
      _classCallCheck(this, PDFFetchStreamReader);
  
      this._stream = stream;
      this._reader = null;
      this._loaded = 0;
      this._filename = null;
      var source = stream.source;
      this._withCredentials = source.withCredentials;
      this._contentLength = source.length;
      this._headersCapability = (0, _util.createPromiseCapability)();
      this._disableRange = source.disableRange || false;
      this._rangeChunkSize = source.rangeChunkSize;
      if (!this._rangeChunkSize && !this._disableRange) {
        this._disableRange = true;
      }
      if (typeof AbortController !== 'undefined') {
        this._abortController = new AbortController();
      }
      this._isStreamingSupported = !source.disableStream;
      this._isRangeSupported = !source.disableRange;
      this._headers = new Headers();
      for (var property in this._stream.httpHeaders) {
        var value = this._stream.httpHeaders[property];
        if (typeof value === 'undefined') {
          continue;
        }
        this._headers.append(property, value);
      }
      var url = source.url;
      fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
        if (!(0, _network_utils.validateResponseStatus)(response.status)) {
          throw (0, _network_utils.createResponseStatusError)(response.status, url);
        }
        _this._reader = response.body.getReader();
        _this._headersCapability.resolve();
        var getResponseHeader = function getResponseHeader(name) {
          return response.headers.get(name);
        };
  
        var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
          getResponseHeader: getResponseHeader,
          isHttp: _this._stream.isHttp,
          rangeChunkSize: _this._rangeChunkSize,
          disableRange: _this._disableRange
        }),
            allowRangeRequests = _validateRangeRequest.allowRangeRequests,
            suggestedLength = _validateRangeRequest.suggestedLength;
  
        _this._isRangeSupported = allowRangeRequests;
        _this._contentLength = suggestedLength || _this._contentLength;
        _this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
        if (!_this._isStreamingSupported && _this._isRangeSupported) {
          _this.cancel(new _util.AbortException('streaming is disabled'));
        }
      }).catch(this._headersCapability.reject);
      this.onProgress = null;
    }
  
    _createClass(PDFFetchStreamReader, [{
      key: 'read',
      value: function () {
        var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
          var _ref2, value, done, buffer;
  
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return this._headersCapability.promise;
  
                case 2:
                  _context.next = 4;
                  return this._reader.read();
  
                case 4:
                  _ref2 = _context.sent;
                  value = _ref2.value;
                  done = _ref2.done;
  
                  if (!done) {
                    _context.next = 9;
                    break;
                  }
  
                  return _context.abrupt('return', {
                    value: value,
                    done: done
                  });
  
                case 9:
                  this._loaded += value.byteLength;
                  if (this.onProgress) {
                    this.onProgress({
                      loaded: this._loaded,
                      total: this._contentLength
                    });
                  }
                  buffer = new Uint8Array(value).buffer;
                  return _context.abrupt('return', {
                    value: buffer,
                    done: false
                  });
  
                case 13:
                case 'end':
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function read() {
          return _ref.apply(this, arguments);
        }
  
        return read;
      }()
    }, {
      key: 'cancel',
      value: function cancel(reason) {
        if (this._reader) {
          this._reader.cancel(reason);
        }
        if (this._abortController) {
          this._abortController.abort();
        }
      }
    }, {
      key: 'headersReady',
      get: function get() {
        return this._headersCapability.promise;
      }
    }, {
      key: 'filename',
      get: function get() {
        return this._filename;
      }
    }, {
      key: 'contentLength',
      get: function get() {
        return this._contentLength;
      }
    }, {
      key: 'isRangeSupported',
      get: function get() {
        return this._isRangeSupported;
      }
    }, {
      key: 'isStreamingSupported',
      get: function get() {
        return this._isStreamingSupported;
      }
    }]);
  
    return PDFFetchStreamReader;
  }();
  
  var PDFFetchStreamRangeReader = function () {
    function PDFFetchStreamRangeReader(stream, begin, end) {
      var _this2 = this;
  
      _classCallCheck(this, PDFFetchStreamRangeReader);
  
      this._stream = stream;
      this._reader = null;
      this._loaded = 0;
      var source = stream.source;
      this._withCredentials = source.withCredentials;
      this._readCapability = (0, _util.createPromiseCapability)();
      this._isStreamingSupported = !source.disableStream;
      if (typeof AbortController !== 'undefined') {
        this._abortController = new AbortController();
      }
      this._headers = new Headers();
      for (var property in this._stream.httpHeaders) {
        var value = this._stream.httpHeaders[property];
        if (typeof value === 'undefined') {
          continue;
        }
        this._headers.append(property, value);
      }
      var rangeStr = begin + '-' + (end - 1);
      this._headers.append('Range', 'bytes=' + rangeStr);
      var url = source.url;
      fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
        if (!(0, _network_utils.validateResponseStatus)(response.status)) {
          throw (0, _network_utils.createResponseStatusError)(response.status, url);
        }
        _this2._readCapability.resolve();
        _this2._reader = response.body.getReader();
      });
      this.onProgress = null;
    }
  
    _createClass(PDFFetchStreamRangeReader, [{
      key: 'read',
      value: function () {
        var _ref3 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
          var _ref4, value, done, buffer;
  
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  _context2.next = 2;
                  return this._readCapability.promise;
  
                case 2:
                  _context2.next = 4;
                  return this._reader.read();
  
                case 4:
                  _ref4 = _context2.sent;
                  value = _ref4.value;
                  done = _ref4.done;
  
                  if (!done) {
                    _context2.next = 9;
                    break;
                  }
  
                  return _context2.abrupt('return', {
                    value: value,
                    done: done
                  });
  
                case 9:
                  this._loaded += value.byteLength;
                  if (this.onProgress) {
                    this.onProgress({ loaded: this._loaded });
                  }
                  buffer = new Uint8Array(value).buffer;
                  return _context2.abrupt('return', {
                    value: buffer,
                    done: false
                  });
  
                case 13:
                case 'end':
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function read() {
          return _ref3.apply(this, arguments);
        }
  
        return read;
      }()
    }, {
      key: 'cancel',
      value: function cancel(reason) {
        if (this._reader) {
          this._reader.cancel(reason);
        }
        if (this._abortController) {
          this._abortController.abort();
        }
      }
    }, {
      key: 'isStreamingSupported',
      get: function get() {
        return this._isStreamingSupported;
      }
    }]);
  
    return PDFFetchStreamRangeReader;
  }();
  
  exports.PDFFetchStream = PDFFetchStream;
  
  /***/ }),
  /* 145 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.NetworkManager = exports.PDFNetworkStream = undefined;
  
  var _regenerator = __w_pdfjs_require__(130);
  
  var _regenerator2 = _interopRequireDefault(_regenerator);
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(142);
  
  var _global_scope = __w_pdfjs_require__(3);
  
  var _global_scope2 = _interopRequireDefault(_global_scope);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
  
  ;
  var OK_RESPONSE = 200;
  var PARTIAL_CONTENT_RESPONSE = 206;
  function NetworkManager(url, args) {
    this.url = url;
    args = args || {};
    this.isHttp = /^https?:/i.test(url);
    this.httpHeaders = this.isHttp && args.httpHeaders || {};
    this.withCredentials = args.withCredentials || false;
    this.getXhr = args.getXhr || function NetworkManager_getXhr() {
      return new XMLHttpRequest();
    };
    this.currXhrId = 0;
    this.pendingRequests = Object.create(null);
    this.loadedRequests = Object.create(null);
  }
  function getArrayBuffer(xhr) {
    var data = xhr.response;
    if (typeof data !== 'string') {
      return data;
    }
    var array = (0, _util.stringToBytes)(data);
    return array.buffer;
  }
  var supportsMozChunked = function supportsMozChunkedClosure() {
    try {
      var x = new XMLHttpRequest();
      x.open('GET', _global_scope2.default.location.href);
      x.responseType = 'moz-chunked-arraybuffer';
      return x.responseType === 'moz-chunked-arraybuffer';
    } catch (e) {
      return false;
    }
  }();
  NetworkManager.prototype = {
    requestRange: function NetworkManager_requestRange(begin, end, listeners) {
      var args = {
        begin: begin,
        end: end
      };
      for (var prop in listeners) {
        args[prop] = listeners[prop];
      }
      return this.request(args);
    },
    requestFull: function NetworkManager_requestFull(listeners) {
      return this.request(listeners);
    },
    request: function NetworkManager_request(args) {
      var xhr = this.getXhr();
      var xhrId = this.currXhrId++;
      var pendingRequest = this.pendingRequests[xhrId] = { xhr: xhr };
      xhr.open('GET', this.url);
      xhr.withCredentials = this.withCredentials;
      for (var property in this.httpHeaders) {
        var value = this.httpHeaders[property];
        if (typeof value === 'undefined') {
          continue;
        }
        xhr.setRequestHeader(property, value);
      }
      if (this.isHttp && 'begin' in args && 'end' in args) {
        var rangeStr = args.begin + '-' + (args.end - 1);
        xhr.setRequestHeader('Range', 'bytes=' + rangeStr);
        pendingRequest.expectedStatus = 206;
      } else {
        pendingRequest.expectedStatus = 200;
      }
      var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData;
      if (useMozChunkedLoading) {
        xhr.responseType = 'moz-chunked-arraybuffer';
        pendingRequest.onProgressiveData = args.onProgressiveData;
        pendingRequest.mozChunked = true;
      } else {
        xhr.responseType = 'arraybuffer';
      }
      if (args.onError) {
        xhr.onerror = function (evt) {
          args.onError(xhr.status);
        };
      }
      xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
      xhr.onprogress = this.onProgress.bind(this, xhrId);
      pendingRequest.onHeadersReceived = args.onHeadersReceived;
      pendingRequest.onDone = args.onDone;
      pendingRequest.onError = args.onError;
      pendingRequest.onProgress = args.onProgress;
      xhr.send(null);
      return xhrId;
    },
    onProgress: function NetworkManager_onProgress(xhrId, evt) {
      var pendingRequest = this.pendingRequests[xhrId];
      if (!pendingRequest) {
        return;
      }
      if (pendingRequest.mozChunked) {
        var chunk = getArrayBuffer(pendingRequest.xhr);
        pendingRequest.onProgressiveData(chunk);
      }
      var onProgress = pendingRequest.onProgress;
      if (onProgress) {
        onProgress(evt);
      }
    },
    onStateChange: function NetworkManager_onStateChange(xhrId, evt) {
      var pendingRequest = this.pendingRequests[xhrId];
      if (!pendingRequest) {
        return;
      }
      var xhr = pendingRequest.xhr;
      if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
        pendingRequest.onHeadersReceived();
        delete pendingRequest.onHeadersReceived;
      }
      if (xhr.readyState !== 4) {
        return;
      }
      if (!(xhrId in this.pendingRequests)) {
        return;
      }
      delete this.pendingRequests[xhrId];
      if (xhr.status === 0 && this.isHttp) {
        if (pendingRequest.onError) {
          pendingRequest.onError(xhr.status);
        }
        return;
      }
      var xhrStatus = xhr.status || OK_RESPONSE;
      var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
      if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
        if (pendingRequest.onError) {
          pendingRequest.onError(xhr.status);
        }
        return;
      }
      this.loadedRequests[xhrId] = true;
      var chunk = getArrayBuffer(xhr);
      if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
        var rangeHeader = xhr.getResponseHeader('Content-Range');
        var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
        var begin = parseInt(matches[1], 10);
        pendingRequest.onDone({
          begin: begin,
          chunk: chunk
        });
      } else if (pendingRequest.onProgressiveData) {
        pendingRequest.onDone(null);
      } else if (chunk) {
        pendingRequest.onDone({
          begin: 0,
          chunk: chunk
        });
      } else if (pendingRequest.onError) {
        pendingRequest.onError(xhr.status);
      }
    },
    hasPendingRequests: function NetworkManager_hasPendingRequests() {
      for (var xhrId in this.pendingRequests) {
        return true;
      }
      return false;
    },
    getRequestXhr: function NetworkManager_getXhr(xhrId) {
      return this.pendingRequests[xhrId].xhr;
    },
    isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) {
      return !!this.pendingRequests[xhrId].onProgressiveData;
    },
    isPendingRequest: function NetworkManager_isPendingRequest(xhrId) {
      return xhrId in this.pendingRequests;
    },
    isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) {
      return xhrId in this.loadedRequests;
    },
    abortAllRequests: function NetworkManager_abortAllRequests() {
      for (var xhrId in this.pendingRequests) {
        this.abortRequest(xhrId | 0);
      }
    },
    abortRequest: function NetworkManager_abortRequest(xhrId) {
      var xhr = this.pendingRequests[xhrId].xhr;
      delete this.pendingRequests[xhrId];
      xhr.abort();
    }
  };
  function PDFNetworkStream(source) {
    this._source = source;
    this._manager = new NetworkManager(source.url, {
      httpHeaders: source.httpHeaders,
      withCredentials: source.withCredentials
    });
    this._rangeChunkSize = source.rangeChunkSize;
    this._fullRequestReader = null;
    this._rangeRequestReaders = [];
  }
  PDFNetworkStream.prototype = {
    _onRangeRequestReaderClosed: function PDFNetworkStream_onRangeRequestReaderClosed(reader) {
      var i = this._rangeRequestReaders.indexOf(reader);
      if (i >= 0) {
        this._rangeRequestReaders.splice(i, 1);
      }
    },
    getFullReader: function PDFNetworkStream_getFullReader() {
      (0, _util.assert)(!this._fullRequestReader);
      this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
      return this._fullRequestReader;
    },
    getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) {
      var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
      reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
      this._rangeRequestReaders.push(reader);
      return reader;
    },
    cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) {
      if (this._fullRequestReader) {
        this._fullRequestReader.cancel(reason);
      }
      var readers = this._rangeRequestReaders.slice(0);
      readers.forEach(function (reader) {
        reader.cancel(reason);
      });
    }
  };
  function PDFNetworkStreamFullRequestReader(manager, source) {
    this._manager = manager;
    var args = {
      onHeadersReceived: this._onHeadersReceived.bind(this),
      onProgressiveData: source.disableStream ? null : this._onProgressiveData.bind(this),
      onDone: this._onDone.bind(this),
      onError: this._onError.bind(this),
      onProgress: this._onProgress.bind(this)
    };
    this._url = source.url;
    this._fullRequestId = manager.requestFull(args);
    this._headersReceivedCapability = (0, _util.createPromiseCapability)();
    this._disableRange = source.disableRange || false;
    this._contentLength = source.length;
    this._rangeChunkSize = source.rangeChunkSize;
    if (!this._rangeChunkSize && !this._disableRange) {
      this._disableRange = true;
    }
    this._isStreamingSupported = false;
    this._isRangeSupported = false;
    this._cachedChunks = [];
    this._requests = [];
    this._done = false;
    this._storedError = undefined;
    this._filename = null;
    this.onProgress = null;
  }
  PDFNetworkStreamFullRequestReader.prototype = {
    _onHeadersReceived: function PDFNetworkStreamFullRequestReader_onHeadersReceived() {
      var fullRequestXhrId = this._fullRequestId;
      var fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
      var getResponseHeader = function getResponseHeader(name) {
        return fullRequestXhr.getResponseHeader(name);
      };
  
      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
        getResponseHeader: getResponseHeader,
        isHttp: this._manager.isHttp,
        rangeChunkSize: this._rangeChunkSize,
        disableRange: this._disableRange
      }),
          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
          suggestedLength = _validateRangeRequest.suggestedLength;
  
      if (allowRangeRequests) {
        this._isRangeSupported = true;
      }
      this._contentLength = suggestedLength || this._contentLength;
      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
      var networkManager = this._manager;
      if (networkManager.isStreamingRequest(fullRequestXhrId)) {
        this._isStreamingSupported = true;
      } else if (this._isRangeSupported) {
        networkManager.abortRequest(fullRequestXhrId);
      }
      this._headersReceivedCapability.resolve();
    },
    _onProgressiveData: function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) {
      if (this._requests.length > 0) {
        var requestCapability = this._requests.shift();
        requestCapability.resolve({
          value: chunk,
          done: false
        });
      } else {
        this._cachedChunks.push(chunk);
      }
    },
    _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) {
      if (args) {
        this._onProgressiveData(args.chunk);
      }
      this._done = true;
      if (this._cachedChunks.length > 0) {
        return;
      }
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
      this._requests = [];
    },
    _onError: function PDFNetworkStreamFullRequestReader_onError(status) {
      var url = this._url;
      var exception = (0, _network_utils.createResponseStatusError)(status, url);
      this._storedError = exception;
      this._headersReceivedCapability.reject(exception);
      this._requests.forEach(function (requestCapability) {
        requestCapability.reject(exception);
      });
      this._requests = [];
      this._cachedChunks = [];
    },
    _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) {
      if (this.onProgress) {
        this.onProgress({
          loaded: data.loaded,
          total: data.lengthComputable ? data.total : this._contentLength
        });
      }
    },
    get filename() {
      return this._filename;
    },
    get isRangeSupported() {
      return this._isRangeSupported;
    },
    get isStreamingSupported() {
      return this._isStreamingSupported;
    },
    get contentLength() {
      return this._contentLength;
    },
    get headersReady() {
      return this._headersReceivedCapability.promise;
    },
    read: function () {
      var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
        var chunk, requestCapability;
        return _regenerator2.default.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                if (!this._storedError) {
                  _context.next = 2;
                  break;
                }
  
                throw this._storedError;
  
              case 2:
                if (!(this._cachedChunks.length > 0)) {
                  _context.next = 5;
                  break;
                }
  
                chunk = this._cachedChunks.shift();
                return _context.abrupt('return', {
                  value: chunk,
                  done: false
                });
  
              case 5:
                if (!this._done) {
                  _context.next = 7;
                  break;
                }
  
                return _context.abrupt('return', {
                  value: undefined,
                  done: true
                });
  
              case 7:
                requestCapability = (0, _util.createPromiseCapability)();
  
                this._requests.push(requestCapability);
                return _context.abrupt('return', requestCapability.promise);
  
              case 10:
              case 'end':
                return _context.stop();
            }
          }
        }, _callee, this);
      }));
  
      function read() {
        return _ref.apply(this, arguments);
      }
  
      return read;
    }(),
  
    cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) {
      this._done = true;
      this._headersReceivedCapability.reject(reason);
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
      this._requests = [];
      if (this._manager.isPendingRequest(this._fullRequestId)) {
        this._manager.abortRequest(this._fullRequestId);
      }
      this._fullRequestReader = null;
    }
  };
  function PDFNetworkStreamRangeRequestReader(manager, begin, end) {
    this._manager = manager;
    var args = {
      onDone: this._onDone.bind(this),
      onProgress: this._onProgress.bind(this)
    };
    this._requestId = manager.requestRange(begin, end, args);
    this._requests = [];
    this._queuedChunk = null;
    this._done = false;
    this.onProgress = null;
    this.onClosed = null;
  }
  PDFNetworkStreamRangeRequestReader.prototype = {
    _close: function PDFNetworkStreamRangeRequestReader_close() {
      if (this.onClosed) {
        this.onClosed(this);
      }
    },
    _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) {
      var chunk = data.chunk;
      if (this._requests.length > 0) {
        var requestCapability = this._requests.shift();
        requestCapability.resolve({
          value: chunk,
          done: false
        });
      } else {
        this._queuedChunk = chunk;
      }
      this._done = true;
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
      this._requests = [];
      this._close();
    },
    _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) {
      if (!this.isStreamingSupported && this.onProgress) {
        this.onProgress({ loaded: evt.loaded });
      }
    },
    get isStreamingSupported() {
      return false;
    },
    read: function () {
      var _ref2 = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee2() {
        var chunk, requestCapability;
        return _regenerator2.default.wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                if (!(this._queuedChunk !== null)) {
                  _context2.next = 4;
                  break;
                }
  
                chunk = this._queuedChunk;
  
                this._queuedChunk = null;
                return _context2.abrupt('return', {
                  value: chunk,
                  done: false
                });
  
              case 4:
                if (!this._done) {
                  _context2.next = 6;
                  break;
                }
  
                return _context2.abrupt('return', {
                  value: undefined,
                  done: true
                });
  
              case 6:
                requestCapability = (0, _util.createPromiseCapability)();
  
                this._requests.push(requestCapability);
                return _context2.abrupt('return', requestCapability.promise);
  
              case 9:
              case 'end':
                return _context2.stop();
            }
          }
        }, _callee2, this);
      }));
  
      function read() {
        return _ref2.apply(this, arguments);
      }
  
      return read;
    }(),
  
    cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) {
      this._done = true;
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
      this._requests = [];
      if (this._manager.isPendingRequest(this._requestId)) {
        this._manager.abortRequest(this._requestId);
      }
      this._close();
    }
  };
  exports.PDFNetworkStream = PDFNetworkStream;
  exports.NetworkManager = NetworkManager;
  
  /***/ })
  /******/ ]);
  });
  //# sourceMappingURL=pdf.js.map