text: /**
   * @licstart The following is the entire license notice for the
   * Javascript code in this page
   *
   * Copyright 2020 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
  /******/ 	// The module cache
  /******/ 	var installedModules = {};
  /******/
  /******/ 	// The require function
  /******/ 	function __w_pdfjs_require__(moduleId) {
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  /******/ 			return installedModules[moduleId].exports;
  /******/ 		}
  /******/ 		// Create a new module (and put it into the cache)
  /******/ 		var module = installedModules[moduleId] = {
  /******/ 			i: moduleId,
  /******/ 			l: false,
  /******/ 			exports: {}
  /******/ 		};
  /******/
  /******/ 		// 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
  /******/ 		return module.exports;
  /******/ 	}
  /******/
  /******/
  /******/ 	// 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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  /******/
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  /******/ 	// mode & 1: value is a module id, require it
  /******/ 	// mode & 2: merge all properties of value into the ns
  /******/ 	// mode & 4: return value when already ns object
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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;
  /******/ 	};
  /******/
  /******/ 	// 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; };
  /******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
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  /******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
  /******/ })
  /************************************************************************/
  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  var pdfjsVersion = '2.4.456';
  var pdfjsBuild = '228a591c';
  
  var pdfjsSharedUtil = __w_pdfjs_require__(1);
  
  var pdfjsDisplayAPI = __w_pdfjs_require__(3);
  
  var pdfjsDisplayTextLayer = __w_pdfjs_require__(16);
  
  var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(17);
  
  var pdfjsDisplayDisplayUtils = __w_pdfjs_require__(4);
  
  var pdfjsDisplaySVG = __w_pdfjs_require__(18);
  
  const pdfjsDisplayWorkerOptions = __w_pdfjs_require__(10);
  
  const pdfjsDisplayAPICompatibility = __w_pdfjs_require__(6);
  
  {
    const {
      isNodeJS
    } = __w_pdfjs_require__(7);
  
    if (isNodeJS) {
      const PDFNodeStream = __w_pdfjs_require__(19).PDFNodeStream;
  
      pdfjsDisplayAPI.setPDFNetworkStreamFactory(params => {
        return new PDFNodeStream(params);
      });
    } else {
      const PDFNetworkStream = __w_pdfjs_require__(22).PDFNetworkStream;
  
      let PDFFetchStream;
  
      if (pdfjsDisplayDisplayUtils.isFetchSupported()) {
        PDFFetchStream = __w_pdfjs_require__(23).PDFFetchStream;
      }
  
      pdfjsDisplayAPI.setPDFNetworkStreamFactory(params => {
        if (PDFFetchStream && pdfjsDisplayDisplayUtils.isValidFetchUrl(params.url)) {
          return new PDFFetchStream(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.CMapCompressionType = pdfjsSharedUtil.CMapCompressionType;
  exports.PermissionFlag = pdfjsSharedUtil.PermissionFlag;
  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.RenderingCancelledException = pdfjsDisplayDisplayUtils.RenderingCancelledException;
  exports.getFilenameFromUrl = pdfjsDisplayDisplayUtils.getFilenameFromUrl;
  exports.LinkTarget = pdfjsDisplayDisplayUtils.LinkTarget;
  exports.addLinkAttributes = pdfjsDisplayDisplayUtils.addLinkAttributes;
  exports.loadScript = pdfjsDisplayDisplayUtils.loadScript;
  exports.PDFDateString = pdfjsDisplayDisplayUtils.PDFDateString;
  exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
  exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams;
  
  /***/ }),
  /* 1 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.arrayByteLength = arrayByteLength;
  exports.arraysToBytes = arraysToBytes;
  exports.assert = assert;
  exports.bytesToString = bytesToString;
  exports.createPromiseCapability = createPromiseCapability;
  exports.getVerbosityLevel = getVerbosityLevel;
  exports.info = info;
  exports.isArrayBuffer = isArrayBuffer;
  exports.isArrayEqual = isArrayEqual;
  exports.isBool = isBool;
  exports.isEmptyObj = isEmptyObj;
  exports.isNum = isNum;
  exports.isString = isString;
  exports.isSameOrigin = isSameOrigin;
  exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
  exports.removeNullCharacters = removeNullCharacters;
  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;
  exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0;
  
  __w_pdfjs_require__(2);
  
  const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
  exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
  const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
  exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
  const NativeImageDecoding = {
    NONE: "none",
    DECODE: "decode",
    DISPLAY: "display"
  };
  exports.NativeImageDecoding = NativeImageDecoding;
  const 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
  };
  exports.PermissionFlag = PermissionFlag;
  const 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
  };
  exports.TextRenderingMode = TextRenderingMode;
  const ImageKind = {
    GRAYSCALE_1BPP: 1,
    RGB_24BPP: 2,
    RGBA_32BPP: 3
  };
  exports.ImageKind = ImageKind;
  const 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
  };
  exports.AnnotationType = AnnotationType;
  const AnnotationStateModelType = {
    MARKED: "Marked",
    REVIEW: "Review"
  };
  exports.AnnotationStateModelType = AnnotationStateModelType;
  const AnnotationMarkedState = {
    MARKED: "Marked",
    UNMARKED: "Unmarked"
  };
  exports.AnnotationMarkedState = AnnotationMarkedState;
  const AnnotationReviewState = {
    ACCEPTED: "Accepted",
    REJECTED: "Rejected",
    CANCELLED: "Cancelled",
    COMPLETED: "Completed",
    NONE: "None"
  };
  exports.AnnotationReviewState = AnnotationReviewState;
  const AnnotationReplyType = {
    GROUP: "Group",
    REPLY: "R"
  };
  exports.AnnotationReplyType = AnnotationReplyType;
  const AnnotationFlag = {
    INVISIBLE: 0x01,
    HIDDEN: 0x02,
    PRINT: 0x04,
    NOZOOM: 0x08,
    NOROTATE: 0x10,
    NOVIEW: 0x20,
    READONLY: 0x40,
    LOCKED: 0x80,
    TOGGLENOVIEW: 0x100,
    LOCKEDCONTENTS: 0x200
  };
  exports.AnnotationFlag = AnnotationFlag;
  const 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
  };
  exports.AnnotationFieldFlag = AnnotationFieldFlag;
  const AnnotationBorderStyleType = {
    SOLID: 1,
    DASHED: 2,
    BEVELED: 3,
    INSET: 4,
    UNDERLINE: 5
  };
  exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
  const StreamType = {
    UNKNOWN: "UNKNOWN",
    FLATE: "FLATE",
    LZW: "LZW",
    DCT: "DCT",
    JPX: "JPX",
    JBIG: "JBIG",
    A85: "A85",
    AHX: "AHX",
    CCF: "CCF",
    RLX: "RLX"
  };
  exports.StreamType = StreamType;
  const FontType = {
    UNKNOWN: "UNKNOWN",
    TYPE1: "TYPE1",
    TYPE1C: "TYPE1C",
    CIDFONTTYPE0: "CIDFONTTYPE0",
    CIDFONTTYPE0C: "CIDFONTTYPE0C",
    TRUETYPE: "TRUETYPE",
    CIDFONTTYPE2: "CIDFONTTYPE2",
    TYPE3: "TYPE3",
    OPENTYPE: "OPENTYPE",
    TYPE0: "TYPE0",
    MMTYPE1: "MMTYPE1"
  };
  exports.FontType = FontType;
  const VerbosityLevel = {
    ERRORS: 0,
    WARNINGS: 1,
    INFOS: 5
  };
  exports.VerbosityLevel = VerbosityLevel;
  const CMapCompressionType = {
    NONE: 0,
    BINARY: 1,
    STREAM: 2
  };
  exports.CMapCompressionType = CMapCompressionType;
  const 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
  };
  exports.OPS = OPS;
  const UNSUPPORTED_FEATURES = {
    unknown: "unknown",
    forms: "forms",
    javaScript: "javaScript",
    smask: "smask",
    shadingPattern: "shadingPattern",
    font: "font"
  };
  exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
  const PasswordResponses = {
    NEED_PASSWORD: 1,
    INCORRECT_PASSWORD: 2
  };
  exports.PasswordResponses = PasswordResponses;
  let 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 unreachable(msg) {
    throw new Error(msg);
  }
  
  function assert(cond, msg) {
    if (!cond) {
      unreachable(msg);
    }
  }
  
  function isSameOrigin(baseUrl, otherUrl) {
    let base;
  
    try {
      base = new URL(baseUrl);
  
      if (!base.origin || base.origin === "null") {
        return false;
      }
    } catch (e) {
      return false;
    }
  
    const other = new 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 {
      const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
  
      if (_isValidProtocol(absoluteUrl)) {
        return absoluteUrl;
      }
    } catch (ex) {}
  
    return null;
  }
  
  function shadow(obj, prop, value) {
    Object.defineProperty(obj, prop, {
      value,
      enumerable: true,
      configurable: true,
      writable: false
    });
    return value;
  }
  
  const BaseException = function BaseExceptionClosure() {
    function BaseException(message) {
      if (this.constructor === BaseException) {
        unreachable("Cannot initialize BaseException.");
      }
  
      this.message = message;
      this.name = this.constructor.name;
    }
  
    BaseException.prototype = new Error();
    BaseException.constructor = BaseException;
    return BaseException;
  }();
  
  exports.BaseException = BaseException;
  
  class PasswordException extends BaseException {
    constructor(msg, code) {
      super(msg);
      this.code = code;
    }
  
  }
  
  exports.PasswordException = PasswordException;
  
  class UnknownErrorException extends BaseException {
    constructor(msg, details) {
      super(msg);
      this.details = details;
    }
  
  }
  
  exports.UnknownErrorException = UnknownErrorException;
  
  class InvalidPDFException extends BaseException {}
  
  exports.InvalidPDFException = InvalidPDFException;
  
  class MissingPDFException extends BaseException {}
  
  exports.MissingPDFException = MissingPDFException;
  
  class UnexpectedResponseException extends BaseException {
    constructor(msg, status) {
      super(msg);
      this.status = status;
    }
  
  }
  
  exports.UnexpectedResponseException = UnexpectedResponseException;
  
  class FormatError extends BaseException {}
  
  exports.FormatError = FormatError;
  
  class AbortException extends BaseException {}
  
  exports.AbortException = AbortException;
  const 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 === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
    const length = bytes.length;
    const MAX_ARGUMENT_COUNT = 8192;
  
    if (length < MAX_ARGUMENT_COUNT) {
      return String.fromCharCode.apply(null, bytes);
    }
  
    const strBuf = [];
  
    for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
      const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
      const 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");
    const length = str.length;
    const bytes = new Uint8Array(length);
  
    for (let 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) {
    const length = arr.length;
  
    if (length === 1 && arr[0] instanceof Uint8Array) {
      return arr[0];
    }
  
    let resultLength = 0;
  
    for (let i = 0; i < length; i++) {
      resultLength += arrayByteLength(arr[i]);
    }
  
    let pos = 0;
    const data = new Uint8Array(resultLength);
  
    for (let i = 0; i < length; i++) {
      let item = arr[i];
  
      if (!(item instanceof Uint8Array)) {
        if (typeof item === "string") {
          item = stringToBytes(item);
        } else {
          item = new Uint8Array(item);
        }
      }
  
      const 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 isLittleEndian() {
    const buffer8 = new Uint8Array(4);
    buffer8[0] = 1;
    const view32 = new Uint32Array(buffer8.buffer, 0, 1);
    return view32[0] === 1;
  }
  
  const IsLittleEndianCached = {
    get value() {
      return shadow(this, "value", isLittleEndian());
    }
  
  };
  exports.IsLittleEndianCached = IsLittleEndianCached;
  
  function isEvalSupported() {
    try {
      new Function("");
      return true;
    } catch (e) {
      return false;
    }
  }
  
  const IsEvalSupportedCached = {
    get value() {
      return shadow(this, "value", isEvalSupported());
    }
  
  };
  exports.IsEvalSupportedCached = IsEvalSupportedCached;
  const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"];
  
  class Util {
    static makeCssRgb(r, g, b) {
      rgbBuf[1] = r;
      rgbBuf[3] = g;
      rgbBuf[5] = b;
      return rgbBuf.join("");
    }
  
    static 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]];
    }
  
    static applyTransform(p, m) {
      const xt = p[0] * m[0] + p[1] * m[2] + m[4];
      const yt = p[0] * m[1] + p[1] * m[3] + m[5];
      return [xt, yt];
    }
  
    static applyInverseTransform(p, m) {
      const d = m[0] * m[3] - m[1] * m[2];
      const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
      const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
      return [xt, yt];
    }
  
    static getAxialAlignedBoundingBox(r, m) {
      const p1 = Util.applyTransform(r, m);
      const p2 = Util.applyTransform(r.slice(2, 4), m);
      const p3 = Util.applyTransform([r[0], r[3]], m);
      const 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])];
    }
  
    static inverseTransform(m) {
      const 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];
    }
  
    static 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]];
    }
  
    static singularValueDecompose2dScale(m) {
      const transpose = [m[0], m[2], m[1], m[3]];
      const a = m[0] * transpose[0] + m[1] * transpose[2];
      const b = m[0] * transpose[1] + m[1] * transpose[3];
      const c = m[2] * transpose[0] + m[3] * transpose[2];
      const d = m[2] * transpose[1] + m[3] * transpose[3];
      const first = (a + d) / 2;
      const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
      const sx = first + second || 1;
      const sy = first - second || 1;
      return [Math.sqrt(sx), Math.sqrt(sy)];
    }
  
    static normalizeRect(rect) {
      const 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;
    }
  
    static intersect(rect1, rect2) {
      function compare(a, b) {
        return a - b;
      }
  
      const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
      const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
      const 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 null;
      }
  
      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 null;
      }
  
      return result;
    }
  
  }
  
  exports.Util = Util;
  const 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) {
    const length = str.length,
          strBuf = [];
  
    if (str[0] === "\xFE" && str[1] === "\xFF") {
      for (let i = 2; i < length; i += 2) {
        strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
      }
    } else if (str[0] === "\xFF" && str[1] === "\xFE") {
      for (let i = 2; i < length; i += 2) {
        strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i)));
      }
    } else {
      for (let i = 0; i < length; ++i) {
        const 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 (const 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 === "object" && v !== null && v.byteLength !== undefined;
  }
  
  function isArrayEqual(arr1, arr2) {
    if (arr1.length !== arr2.length) {
      return false;
    }
  
    return arr1.every(function (element, index) {
      return element === arr2[index];
    });
  }
  
  function createPromiseCapability() {
    const capability = Object.create(null);
    let isSettled = false;
    Object.defineProperty(capability, "settled", {
      get() {
        return isSettled;
      }
  
    });
    capability.promise = new Promise(function (resolve, reject) {
      capability.resolve = function (data) {
        isSettled = true;
        resolve(data);
      };
  
      capability.reject = function (reason) {
        isSettled = true;
        reject(reason);
      };
    });
    return capability;
  }
  
  const createObjectURL = function createObjectURLClosure() {
    const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    return function createObjectURL(data, contentType, forceDataSchema = false) {
      if (!forceDataSchema && URL.createObjectURL) {
        const blob = new Blob([data], {
          type: contentType
        });
        return URL.createObjectURL(blob);
      }
  
      let buffer = `data:${contentType};base64,`;
  
      for (let i = 0, ii = data.length; i < ii; i += 3) {
        const b1 = data[i] & 0xff;
        const b2 = data[i + 1] & 0xff;
        const b3 = data[i + 2] & 0xff;
        const d1 = b1 >> 2,
              d2 = (b1 & 3) << 4 | b2 >> 4;
        const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
        const d4 = i + 2 < ii ? b3 & 0x3f : 64;
        buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
      }
  
      return buffer;
    };
  }();
  
  exports.createObjectURL = createObjectURL;
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  ;
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getDocument = getDocument;
  exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
  exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _display_utils = __w_pdfjs_require__(4);
  
  var _font_loader = __w_pdfjs_require__(5);
  
  var _api_compatibility = __w_pdfjs_require__(6);
  
  var _canvas = __w_pdfjs_require__(8);
  
  var _worker_options = __w_pdfjs_require__(10);
  
  var _is_node = __w_pdfjs_require__(7);
  
  var _message_handler = __w_pdfjs_require__(11);
  
  var _metadata = __w_pdfjs_require__(12);
  
  var _transport_stream = __w_pdfjs_require__(14);
  
  var _webgl = __w_pdfjs_require__(15);
  
  const DEFAULT_RANGE_CHUNK_SIZE = 65536;
  const RENDERING_CANCELLED_TIMEOUT = 100;
  let createPDFNetworkStream;
  
  function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
    createPDFNetworkStream = pdfNetworkStreamFactory;
  }
  
  function getDocument(src) {
    const task = new PDFDocumentLoadingTask();
    let 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 !== "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;
    }
  
    const params = Object.create(null);
    let rangeTransport = null,
        worker = null;
  
    for (const key in source) {
      if (key === "url" && typeof window !== "undefined") {
        params[key] = new 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)) {
        const pdfBytes = source[key];
  
        if (typeof pdfBytes === "string") {
          params[key] = (0, _util.stringToBytes)(pdfBytes);
        } else if (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 || _display_utils.DOMCMapReaderFactory;
    params.ignoreErrors = params.stopAtErrors !== true;
    params.pdfBug = params.pdfBug === true;
    const 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) {
      const workerParams = {
        verbosity: params.verbosity,
        port: _worker_options.GlobalWorkerOptions.workerPort
      };
      worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
      task._worker = worker;
    }
  
    const 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");
        }
  
        let networkStream;
  
        if (rangeTransport) {
          networkStream = new _transport_stream.PDFDataTransportStream({
            length: params.length,
            initialData: params.initialData,
            progressiveDone: params.progressiveDone,
            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
          });
        }
  
        const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
        messageHandler.postMessageTransfers = worker.postMessageTransfers;
        const transport = new WorkerTransport(messageHandler, task, networkStream, params);
        task._transport = transport;
        // #171 receive options from ngx-extended-pdf-viewer
        messageHandler.send('showUnverifiedSignatures',
            window.ServiceWorkerOptions.showUnverifiedSignatures);
        // #171 end of receive options from ngx-extended-pdf-viewer
        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;
      source.progressiveDone = pdfDataRangeTransport.progressiveDone;
    }
  
    return worker.messageHandler.sendWithPromise("GetDocRequest", {
      docId,
      apiVersion: '2.4.456',
      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;
    });
  }
  
  const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
    let nextDocumentId = 0;
  
    class PDFDocumentLoadingTask {
      constructor() {
        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;
      }
  
      get promise() {
        return this._capability.promise;
      }
  
      destroy() {
        this.destroyed = true;
        const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
        return transportDestroyed.then(() => {
          this._transport = null;
  
          if (this._worker) {
            this._worker.destroy();
  
            this._worker = null;
          }
        });
      }
  
      then(onFulfilled, onRejected) {
        throw new Error("Removed API method: " + "PDFDocumentLoadingTask.then, use the `promise` getter instead.");
      }
  
    }
  
    return PDFDocumentLoadingTask;
  }();
  
  class PDFDataRangeTransport {
    constructor(length, initialData, progressiveDone = false) {
      this.length = length;
      this.initialData = initialData;
      this.progressiveDone = progressiveDone;
      this._rangeListeners = [];
      this._progressListeners = [];
      this._progressiveReadListeners = [];
      this._progressiveDoneListeners = [];
      this._readyCapability = (0, _util.createPromiseCapability)();
    }
  
    addRangeListener(listener) {
      this._rangeListeners.push(listener);
    }
  
    addProgressListener(listener) {
      this._progressListeners.push(listener);
    }
  
    addProgressiveReadListener(listener) {
      this._progressiveReadListeners.push(listener);
    }
  
    addProgressiveDoneListener(listener) {
      this._progressiveDoneListeners.push(listener);
    }
  
    onDataRange(begin, chunk) {
      for (const listener of this._rangeListeners) {
        listener(begin, chunk);
      }
    }
  
    onDataProgress(loaded, total) {
      this._readyCapability.promise.then(() => {
        for (const listener of this._progressListeners) {
          listener(loaded, total);
        }
      });
    }
  
    onDataProgressiveRead(chunk) {
      this._readyCapability.promise.then(() => {
        for (const listener of this._progressiveReadListeners) {
          listener(chunk);
        }
      });
    }
  
    onDataProgressiveDone() {
      this._readyCapability.promise.then(() => {
        for (const listener of this._progressiveDoneListeners) {
          listener();
        }
      });
    }
  
    transportReady() {
      this._readyCapability.resolve();
    }
  
    requestDataRange(begin, end) {
      (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
    }
  
    abort() {}
  
  }
  
  exports.PDFDataRangeTransport = PDFDataRangeTransport;
  
  class PDFDocumentProxy {
    constructor(pdfInfo, transport) {
      this._pdfInfo = pdfInfo;
      this._transport = transport;
    }
  
    get numPages() {
      return this._pdfInfo.numPages;
    }
  
    get fingerprint() {
      return this._pdfInfo.fingerprint;
    }
  
    getPage(pageNumber) {
      return this._transport.getPage(pageNumber);
    }
  
    getPageIndex(ref) {
      return this._transport.getPageIndex(ref);
    }
  
    getDestinations() {
      return this._transport.getDestinations();
    }
  
    getDestination(id) {
      return this._transport.getDestination(id);
    }
  
    getPageLabels() {
      return this._transport.getPageLabels();
    }
  
    getPageLayout() {
      return this._transport.getPageLayout();
    }
  
    getPageMode() {
      return this._transport.getPageMode();
    }
  
    getViewerPreferences() {
      return this._transport.getViewerPreferences();
    }
  
    getOpenAction() {
      return this._transport.getOpenAction();
    }
  
    getOpenActionDestination() {
      (0, _display_utils.deprecated)("getOpenActionDestination, use getOpenAction instead.");
      return this.getOpenAction().then(function (openAction) {
        return openAction && openAction.dest ? openAction.dest : null;
      });
    }
  
    getAttachments() {
      return this._transport.getAttachments();
    }
  
    getJavaScript() {
      return this._transport.getJavaScript();
    }
  
    getOutline() {
      return this._transport.getOutline();
    }
  
    getPermissions() {
      return this._transport.getPermissions();
    }
  
    getMetadata() {
      return this._transport.getMetadata();
    }
  
    getData() {
      return this._transport.getData();
    }
  
    getDownloadInfo() {
      return this._transport.downloadInfoCapability.promise;
    }
  
    getStats() {
      return this._transport.getStats();
    }
  
    cleanup() {
      return this._transport.startCleanup();
    }
  
    destroy() {
      return this.loadingTask.destroy();
    }
  
    get loadingParams() {
      return this._transport.loadingParams;
    }
  
    get loadingTask() {
      return this._transport.loadingTask;
    }
  
  }
  
  exports.PDFDocumentProxy = PDFDocumentProxy;
  
  class PDFPageProxy {
    constructor(pageIndex, pageInfo, transport, pdfBug = false) {
      this._pageIndex = pageIndex;
      this._pageInfo = pageInfo;
      this._transport = transport;
      this._stats = pdfBug ? new _display_utils.StatTimer() : null;
      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;
    }
  
    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({
      scale,
      rotation = this.rotate,
      offsetX = 0,
      offsetY = 0,
      dontFlip = false
    } = {}) {
      if (arguments.length > 1 || typeof arguments[0] === "number") {
        throw new Error("PDFPageProxy.getViewport is called with obsolete arguments.");
      }
  
      return new _display_utils.PageViewport({
        viewBox: this.view,
        scale,
        rotation,
        offsetX,
        offsetY,
        dontFlip
      });
    }
  
    getAnnotations({
      intent = null
    } = {}) {
      if (!this.annotationsPromise || this.annotationsIntent !== intent) {
        this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent);
        this.annotationsIntent = intent;
      }
  
      return this.annotationsPromise;
    }
  
    render({
      canvasContext,
      viewport,
      intent = "display",
      enableWebGL = false,
      renderInteractiveForms = false,
      transform = null,
      imageLayer = null,
      canvasFactory = null,
      background = null
    }) {
      if (this._stats) {
        this._stats.time("Overall");
      }
  
      const renderingIntent = intent === "print" ? "print" : "display";
      this.pendingCleanup = false;
  
      if (!this.intentStates[renderingIntent]) {
        this.intentStates[renderingIntent] = Object.create(null);
      }
  
      const intentState = this.intentStates[renderingIntent];
  
      if (intentState.streamReaderCancelTimeout) {
        clearTimeout(intentState.streamReaderCancelTimeout);
        intentState.streamReaderCancelTimeout = null;
      }
  
      const canvasFactoryInstance = canvasFactory || new _display_utils.DOMCanvasFactory();
      const webGLContext = new _webgl.WebGLContext({
        enable: enableWebGL
      });
  
      if (!intentState.displayReadyCapability) {
        intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
        intentState.operatorList = {
          fnArray: [],
          argsArray: [],
          lastChunk: false
        };
  
        if (this._stats) {
          this._stats.time("Page Request");
        }
  
        this._pumpOperatorList({
          pageIndex: this._pageIndex,
          intent: renderingIntent,
          renderInteractiveForms: renderInteractiveForms === true
        });
      }
  
      const complete = error => {
        const i = intentState.renderTasks.indexOf(internalRenderTask);
  
        if (i >= 0) {
          intentState.renderTasks.splice(i, 1);
        }
  
        if (this.cleanupAfterRender || renderingIntent === "print") {
          this.pendingCleanup = true;
        }
  
        this._tryCleanup();
  
        if (error) {
          internalRenderTask.capability.reject(error);
  
          this._abortOperatorList({
            intentState,
            reason: error
          });
        } else {
          internalRenderTask.capability.resolve();
        }
  
        if (this._stats) {
          this._stats.timeEnd("Rendering");
  
          this._stats.timeEnd("Overall");
        }
      };
  
      const internalRenderTask = new InternalRenderTask({
        callback: complete,
        params: {
          canvasContext,
          viewport,
          transform,
          imageLayer,
          background
        },
        objs: this.objs,
        commonObjs: this.commonObjs,
        operatorList: intentState.operatorList,
        pageIndex: this._pageIndex,
        canvasFactory: canvasFactoryInstance,
        webGLContext,
        useRequestAnimationFrame: renderingIntent !== "print",
        pdfBug: this._pdfBug
      });
  
      if (!intentState.renderTasks) {
        intentState.renderTasks = [];
      }
  
      intentState.renderTasks.push(internalRenderTask);
      const renderTask = internalRenderTask.task;
      intentState.displayReadyCapability.promise.then(transparency => {
        if (this.pendingCleanup) {
          complete();
          return;
        }
  
        if (this._stats) {
          this._stats.time("Rendering");
        }
  
        internalRenderTask.initializeGraphics(transparency);
        internalRenderTask.operatorListChanged();
      }).catch(complete);
      return renderTask;
    }
  
    getOperatorList() {
      function operatorListChanged() {
        if (intentState.operatorList.lastChunk) {
          intentState.opListReadCapability.resolve(intentState.operatorList);
          const i = intentState.renderTasks.indexOf(opListTask);
  
          if (i >= 0) {
            intentState.renderTasks.splice(i, 1);
          }
        }
      }
  
      const renderingIntent = "oplist";
  
      if (!this.intentStates[renderingIntent]) {
        this.intentStates[renderingIntent] = Object.create(null);
      }
  
      const intentState = this.intentStates[renderingIntent];
      let opListTask;
  
      if (!intentState.opListReadCapability) {
        opListTask = {};
        opListTask.operatorListChanged = operatorListChanged;
        intentState.opListReadCapability = (0, _util.createPromiseCapability)();
        intentState.renderTasks = [];
        intentState.renderTasks.push(opListTask);
        intentState.operatorList = {
          fnArray: [],
          argsArray: [],
          lastChunk: false
        };
  
        if (this._stats) {
          this._stats.time("Page Request");
        }
  
        this._pumpOperatorList({
          pageIndex: this._pageIndex,
          intent: renderingIntent
        });
      }
  
      return intentState.opListReadCapability.promise;
    }
  
    streamTextContent({
      normalizeWhitespace = false,
      disableCombineTextItems = false
    } = {}) {
      const TEXT_CONTENT_CHUNK_SIZE = 100;
      return this._transport.messageHandler.sendWithStream("GetTextContent", {
        pageIndex: this._pageIndex,
        normalizeWhitespace: normalizeWhitespace === true,
        combineTextItems: disableCombineTextItems !== true
      }, {
        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
  
        size(textContent) {
          return textContent.items.length;
        }
  
      });
    }
  
    getTextContent(params = {}) {
      const readableStream = this.streamTextContent(params);
      return new Promise(function (resolve, reject) {
        function pump() {
          reader.read().then(function ({
            value,
            done
          }) {
            if (done) {
              resolve(textContent);
              return;
            }
  
            Object.assign(textContent.styles, value.styles);
            textContent.items.push(...value.items);
            pump();
          }, reject);
        }
  
        const reader = readableStream.getReader();
        const textContent = {
          items: [],
          styles: Object.create(null)
        };
        pump();
      });
    }
  
    _destroy() {
      this.destroyed = true;
      this._transport.pageCache[this._pageIndex] = null;
      const waitOn = [];
      Object.keys(this.intentStates).forEach(intent => {
        const intentState = this.intentStates[intent];
  
        this._abortOperatorList({
          intentState,
          reason: new Error("Page was destroyed."),
          force: true
        });
  
        if (intent === "oplist") {
          return;
        }
  
        intentState.renderTasks.forEach(function (renderTask) {
          const renderCompleted = renderTask.capability.promise.catch(function () {});
          waitOn.push(renderCompleted);
          renderTask.cancel();
        });
      });
      this.objs.clear();
      this.annotationsPromise = null;
      this.pendingCleanup = false;
      return Promise.all(waitOn);
    }
  
    cleanup(resetStats = false) {
      this.pendingCleanup = true;
      return this._tryCleanup(resetStats);
    }
  
    _tryCleanup(resetStats = false) {
      if (!this.pendingCleanup || Object.keys(this.intentStates).some(intent => {
        const intentState = this.intentStates[intent];
        return intentState.renderTasks.length !== 0 || !intentState.operatorList.lastChunk;
      })) {
        return false;
      }
  
      Object.keys(this.intentStates).forEach(intent => {
        delete this.intentStates[intent];
      });
      this.objs.clear();
      this.annotationsPromise = null;
  
      if (resetStats && this._stats) {
        this._stats = new _display_utils.StatTimer();
      }
  
      this.pendingCleanup = false;
      return true;
    }
  
    _startRenderPage(transparency, intent) {
      const intentState = this.intentStates[intent];
  
      if (!intentState) {
        return;
      }
  
      if (this._stats) {
        this._stats.timeEnd("Page Request");
      }
  
      if (intentState.displayReadyCapability) {
        intentState.displayReadyCapability.resolve(transparency);
      }
    }
  
    _renderPageChunk(operatorListChunk, intentState) {
      for (let 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 (let i = 0; i < intentState.renderTasks.length; i++) {
        intentState.renderTasks[i].operatorListChanged();
      }
  
      if (operatorListChunk.lastChunk) {
        this._tryCleanup();
      }
    }
  
    _pumpOperatorList(args) {
      (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');
  
      const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args);
  
      const reader = readableStream.getReader();
      const intentState = this.intentStates[args.intent];
      intentState.streamReader = reader;
  
      const pump = () => {
        reader.read().then(({
          value,
          done
        }) => {
          if (done) {
            intentState.streamReader = null;
            return;
          }
  
          if (this._transport.destroyed) {
            return;
          }
  
          this._renderPageChunk(value, intentState);
  
          pump();
        }, reason => {
          intentState.streamReader = null;
  
          if (this._transport.destroyed) {
            return;
          }
  
          if (intentState.operatorList) {
            intentState.operatorList.lastChunk = true;
  
            for (let i = 0; i < intentState.renderTasks.length; i++) {
              intentState.renderTasks[i].operatorListChanged();
            }
  
            this._tryCleanup();
          }
  
          if (intentState.displayReadyCapability) {
            intentState.displayReadyCapability.reject(reason);
          } else if (intentState.opListReadCapability) {
            intentState.opListReadCapability.reject(reason);
          } else {
            throw reason;
          }
        });
      };
  
      pump();
    }
  
    _abortOperatorList({
      intentState,
      reason,
      force = false
    }) {
      (0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.');
  
      if (!intentState.streamReader) {
        return;
      }
  
      if (!force) {
        if (intentState.renderTasks.length !== 0) {
          return;
        }
  
        if (reason instanceof _display_utils.RenderingCancelledException) {
          intentState.streamReaderCancelTimeout = setTimeout(() => {
            this._abortOperatorList({
              intentState,
              reason,
              force: true
            });
  
            intentState.streamReaderCancelTimeout = null;
          }, RENDERING_CANCELLED_TIMEOUT);
          return;
        }
      }
  
      intentState.streamReader.cancel(new _util.AbortException(reason && reason.message));
      intentState.streamReader = null;
  
      if (this._transport.destroyed) {
        return;
      }
  
      Object.keys(this.intentStates).some(intent => {
        if (this.intentStates[intent] === intentState) {
          delete this.intentStates[intent];
          return true;
        }
  
        return false;
      });
      this.cleanup();
    }
  
    get stats() {
      return this._stats;
    }
  
  }
  
  exports.PDFPageProxy = PDFPageProxy;
  
  class LoopbackPort {
    constructor(defer = true) {
      this._listeners = [];
      this._defer = defer;
      this._deferred = Promise.resolve(undefined);
    }
  
    postMessage(obj, transfers) {
      function cloneValue(value) {
        if (typeof value !== "object" || value === null) {
          return value;
        }
  
        if (cloned.has(value)) {
          return cloned.get(value);
        }
  
        let buffer, result;
  
        if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
          const transferable = transfers && transfers.includes(buffer);
  
          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 (const i in value) {
          let desc,
              p = value;
  
          while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
            p = Object.getPrototypeOf(p);
          }
  
          if (typeof desc.value === "undefined") {
            continue;
          }
  
          if (typeof desc.value === "function") {
            if (value.hasOwnProperty && value.hasOwnProperty(i)) {
              throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`);
            }
  
            continue;
          }
  
          result[i] = cloneValue(desc.value);
        }
  
        return result;
      }
  
      if (!this._defer) {
        this._listeners.forEach(listener => {
          listener.call(this, {
            data: obj
          });
        });
  
        return;
      }
  
      const cloned = new WeakMap();
      const e = {
        data: cloneValue(obj)
      };
  
      this._deferred.then(() => {
        this._listeners.forEach(listener => {
          listener.call(this, e);
        });
      });
    }
  
    addEventListener(name, listener) {
      this._listeners.push(listener);
    }
  
    removeEventListener(name, listener) {
      const i = this._listeners.indexOf(listener);
  
      this._listeners.splice(i, 1);
    }
  
    terminate() {
      this._listeners.length = 0;
    }
  
  }
  
  exports.LoopbackPort = LoopbackPort;
  
  const PDFWorker = function PDFWorkerClosure() {
    const pdfWorkerPorts = new WeakMap();
    let isWorkerDisabled = false;
    let fallbackWorkerSrc;
    let nextFakeWorkerId = 0;
    let fakeWorkerCapability;
  
    if (_is_node.isNodeJS && typeof require === "function") {
      isWorkerDisabled = true;
      fallbackWorkerSrc = "./assets/pdf.worker-es5.js";
    } else if (typeof document === "object" && "currentScript" in document) {
      const pdfjsFilePath = document.currentScript && document.currentScript.src;
  
      if (pdfjsFilePath) {
        fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
      }
    }
  
    function getWorkerSrc() {
      if (_worker_options.GlobalWorkerOptions.workerSrc) {
        return _worker_options.GlobalWorkerOptions.workerSrc;
      }
  
      if (typeof fallbackWorkerSrc !== "undefined") {
        if (!_is_node.isNodeJS) {
          (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
        }
  
        return fallbackWorkerSrc;
      }
  
      throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
    }
  
    function getMainThreadWorkerMessageHandler() {
      let mainWorkerMessageHandler;
  
      try {
        mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler;
      } catch (ex) {}
  
      return mainWorkerMessageHandler || null;
    }
  
    function setupFakeWorkerGlobal() {
      if (fakeWorkerCapability) {
        return fakeWorkerCapability.promise;
      }
  
      fakeWorkerCapability = (0, _util.createPromiseCapability)();
  
      const loader = async function () {
        const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
  
        if (mainWorkerMessageHandler) {
          return mainWorkerMessageHandler;
        }
  
        if (_is_node.isNodeJS && typeof require === "function") {
          const worker = eval("require")(getWorkerSrc());
          return worker.WorkerMessageHandler;
        }
  
        await (0, _display_utils.loadScript)(getWorkerSrc());
        return window.pdfjsWorker.WorkerMessageHandler;
      };
  
      loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject);
      return fakeWorkerCapability.promise;
    }
  
    function createCDNWrapper(url) {
      const wrapper = "importScripts('" + url + "');";
      return URL.createObjectURL(new Blob([wrapper]));
    }
  
    class PDFWorker {
      constructor({
        name = null,
        port = null,
        verbosity = (0, _util.getVerbosityLevel)()
      } = {}) {
        if (port && pdfWorkerPorts.has(port)) {
          throw new Error("Cannot use more than one PDFWorker per port");
        }
  
        this.name = name;
        this.destroyed = false;
        this.postMessageTransfers = true;
        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();
      }
  
      get promise() {
        return this._readyCapability.promise;
      }
  
      get port() {
        return this._port;
      }
  
      get messageHandler() {
        return this._messageHandler;
      }
  
      _initializeFromPort(port) {
        this._port = port;
        this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
  
        this._messageHandler.on("ready", function () {});
  
        this._readyCapability.resolve();
      }
  
      _initialize() {
        if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
          let workerSrc = getWorkerSrc();
  
          try {
            if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
              workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
            }
  
            const worker = new Worker(workerSrc);
            const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
  
            const terminateEarly = () => {
              worker.removeEventListener("error", onWorkerError);
              messageHandler.destroy();
              worker.terminate();
  
              if (this.destroyed) {
                this._readyCapability.reject(new Error("Worker was destroyed"));
              } else {
                this._setupFakeWorker();
              }
            };
  
            const onWorkerError = () => {
              if (!this._webWorker) {
                terminateEarly();
              }
            };
  
            worker.addEventListener("error", onWorkerError);
            messageHandler.on("test", data => {
              worker.removeEventListener("error", onWorkerError);
  
              if (this.destroyed) {
                terminateEarly();
                return;
              }
  
              if (data) {
                this._messageHandler = messageHandler;
                this._port = worker;
                this._webWorker = worker;
  
                if (!data.supportTransfers) {
                  this.postMessageTransfers = false;
                }
  
                this._readyCapability.resolve();
  
                messageHandler.send("configure", {
                  verbosity: this.verbosity
                });
              } else {
                this._setupFakeWorker();
  
                messageHandler.destroy();
                worker.terminate();
              }
            });
            messageHandler.on("ready", data => {
              worker.removeEventListener("error", onWorkerError);
  
              if (this.destroyed) {
                terminateEarly();
                return;
              }
  
              try {
                sendTest();
              } catch (e) {
                this._setupFakeWorker();
              }
            });
  
            const sendTest = () => {
              const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]);
  
              try {
                messageHandler.send("test", testObj, [testObj.buffer]);
              } catch (ex) {
                (0, _util.warn)("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() {
        if (!isWorkerDisabled) {
          (0, _util.warn)("Setting up fake worker.");
          isWorkerDisabled = true;
        }
  
        setupFakeWorkerGlobal().then(WorkerMessageHandler => {
          if (this.destroyed) {
            this._readyCapability.reject(new Error("Worker was destroyed"));
  
            return;
          }
  
          const port = new LoopbackPort();
          this._port = port;
          const id = "fake" + nextFakeWorkerId++;
          const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
          WorkerMessageHandler.setup(workerHandler, port);
          const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
          this._messageHandler = messageHandler;
  
          this._readyCapability.resolve();
  
          messageHandler.send("configure", {
            verbosity: this.verbosity
          });
        }).catch(reason => {
          this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
        });
      }
  
      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;
        }
      }
  
      static fromPort(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);
      }
  
      static getWorkerSrc() {
        return getWorkerSrc();
      }
  
    }
  
    return PDFWorker;
  }();
  
  exports.PDFWorker = PDFWorker;
  
  class WorkerTransport {
    constructor(messageHandler, loadingTask, networkStream, params) {
      this.messageHandler = messageHandler;
      this.loadingTask = loadingTask;
      this.commonObjs = new PDFObjects();
      this.fontLoader = new _font_loader.FontLoader({
        docId: loadingTask.docId,
        onUnsupportedFeature: this._onUnsupportedFeature.bind(this)
      });
      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();
    }
  
    destroy() {
      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"));
      }
  
      const waitOn = [];
      this.pageCache.forEach(function (page) {
        if (page) {
          waitOn.push(page._destroy());
        }
      });
      this.pageCache.length = 0;
      this.pagePromises.length = 0;
      const terminated = this.messageHandler.sendWithPromise("Terminate", null);
      waitOn.push(terminated);
      Promise.all(waitOn).then(() => {
        this.fontLoader.clear();
  
        if (this._networkStream) {
          this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
        }
  
        if (this.messageHandler) {
          this.messageHandler.destroy();
          this.messageHandler = null;
        }
  
        this.destroyCapability.resolve();
      }, this.destroyCapability.reject);
      return this.destroyCapability.promise;
    }
  
    setupMessageHandler() {
      const {
        messageHandler,
        loadingTask
      } = this;
      messageHandler.on("GetReader", (data, sink) => {
        (0, _util.assert)(this._networkStream);
        this._fullReader = this._networkStream.getFullReader();
  
        this._fullReader.onProgress = evt => {
          this._lastProgress = {
            loaded: evt.loaded,
            total: evt.total
          };
        };
  
        sink.onPull = () => {
          this._fullReader.read().then(function ({
            value,
            done
          }) {
            if (done) {
              sink.close();
              return;
            }
  
            (0, _util.assert)((0, _util.isArrayBuffer)(value));
            sink.enqueue(new Uint8Array(value), 1, [value]);
          }).catch(reason => {
            sink.error(reason);
          });
        };
  
        sink.onCancel = reason => {
          this._fullReader.cancel(reason);
        };
      });
      messageHandler.on("ReaderHeadersReady", data => {
        const headersCapability = (0, _util.createPromiseCapability)();
        const fullReader = this._fullReader;
        fullReader.headersReady.then(() => {
          if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
            if (this._lastProgress && loadingTask.onProgress) {
              loadingTask.onProgress(this._lastProgress);
            }
  
            fullReader.onProgress = 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;
      });
      messageHandler.on("GetRangeReader", (data, sink) => {
        (0, _util.assert)(this._networkStream);
  
        const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
  
        if (!rangeReader) {
          sink.close();
          return;
        }
  
        sink.onPull = () => {
          rangeReader.read().then(function ({
            value,
            done
          }) {
            if (done) {
              sink.close();
              return;
            }
  
            (0, _util.assert)((0, _util.isArrayBuffer)(value));
            sink.enqueue(new Uint8Array(value), 1, [value]);
          }).catch(reason => {
            sink.error(reason);
          });
        };
  
        sink.onCancel = reason => {
          rangeReader.cancel(reason);
        };
      });
      messageHandler.on("GetDoc", ({
        pdfInfo
      }) => {
        this._numPages = pdfInfo.numPages;
  
        loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
      });
      messageHandler.on("DocException", function (ex) {
        let reason;
  
        switch (ex.name) {
          case "PasswordException":
            reason = new _util.PasswordException(ex.message, ex.code);
            break;
  
          case "InvalidPDFException":
            reason = new _util.InvalidPDFException(ex.message);
            break;
  
          case "MissingPDFException":
            reason = new _util.MissingPDFException(ex.message);
            break;
  
          case "UnexpectedResponseException":
            reason = new _util.UnexpectedResponseException(ex.message, ex.status);
            break;
  
          case "UnknownErrorException":
            reason = new _util.UnknownErrorException(ex.message, ex.details);
            break;
        }
  
        loadingTask._capability.reject(reason);
      });
      messageHandler.on("PasswordRequest", exception => {
        this._passwordCapability = (0, _util.createPromiseCapability)();
  
        if (loadingTask.onPassword) {
          const updatePassword = password => {
            this._passwordCapability.resolve({
              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;
      });
      messageHandler.on("DataLoaded", data => {
        if (loadingTask.onProgress) {
          loadingTask.onProgress({
            loaded: data.length,
            total: data.length
          });
        }
  
        this.downloadInfoCapability.resolve(data);
      });
      messageHandler.on("StartRenderPage", data => {
        if (this.destroyed) {
          return;
        }
  
        const page = this.pageCache[data.pageIndex];
  
        page._startRenderPage(data.transparency, data.intent);
      });
      messageHandler.on("commonobj", data => {
        if (this.destroyed) {
          return;
        }
  
        const [id, type, exportedData] = data;
  
        if (this.commonObjs.has(id)) {
          return;
        }
  
        switch (type) {
          case "Font":
            const params = this._params;
  
            if ("error" in exportedData) {
              const exportedError = exportedData.error;
              (0, _util.warn)(`Error during font loading: ${exportedError}`);
              this.commonObjs.resolve(id, exportedError);
              break;
            }
  
            let fontRegistry = null;
  
            if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) {
              fontRegistry = {
                registerFont(font, url) {
                  globalThis.FontInspector.fontAdded(font, url);
                }
  
              };
            }
  
            const font = new _font_loader.FontFaceObject(exportedData, {
              isEvalSupported: params.isEvalSupported,
              disableFontFace: params.disableFontFace,
              ignoreErrors: params.ignoreErrors,
              onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
              fontRegistry
            });
            this.fontLoader.bind(font).then(() => {
              this.commonObjs.resolve(id, font);
            }, reason => {
              messageHandler.sendWithPromise("FontFallback", {
                id
              }).finally(() => {
                this.commonObjs.resolve(id, font);
              });
            });
            break;
  
          case "FontPath":
          case "FontType3Res":
            this.commonObjs.resolve(id, exportedData);
            break;
  
          default:
            throw new Error(`Got unknown common object type ${type}`);
        }
      });
      messageHandler.on("obj", data => {
        if (this.destroyed) {
          return undefined;
        }
  
        const [id, pageIndex, type, imageData] = data;
        const pageProxy = this.pageCache[pageIndex];
  
        if (pageProxy.objs.has(id)) {
          return undefined;
        }
  
        switch (type) {
          case "JpegStream":
            return new Promise((resolve, reject) => {
              const img = new Image();
  
              img.onload = function () {
                resolve(img);
              };
  
              img.onerror = function () {
                reject(new Error("Error during JPEG image loading"));
                (0, _display_utils.releaseImageResources)(img);
              };
  
              img.src = imageData;
            }).then(img => {
              pageProxy.objs.resolve(id, img);
            });
  
          case "Image":
            pageProxy.objs.resolve(id, imageData);
            const 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}`);
        }
  
        return undefined;
      });
      messageHandler.on("DocProgress", data => {
        if (this.destroyed) {
          return;
        }
  
        if (loadingTask.onProgress) {
          loadingTask.onProgress({
            loaded: data.loaded,
            total: data.total
          });
        }
      });
      messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
      messageHandler.on("JpegDecode", 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.'));
        }
  
        const [imageUrl, components] = data;
  
        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) {
          const img = new Image();
  
          img.onload = function () {
            const {
              width,
              height
            } = img;
            const size = width * height;
            const rgbaLength = size * 4;
            const buf = new Uint8ClampedArray(size * components);
            let tmpCanvas = document.createElement("canvas");
            tmpCanvas.width = width;
            tmpCanvas.height = height;
            let tmpCtx = tmpCanvas.getContext("2d");
            tmpCtx.drawImage(img, 0, 0);
            const data = tmpCtx.getImageData(0, 0, width, height).data;
  
            if (components === 3) {
              for (let 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 (let i = 0, j = 0; i < rgbaLength; i += 4, j++) {
                buf[j] = data[i];
              }
            }
  
            resolve({
              data: buf,
              width,
              height
            });
            (0, _display_utils.releaseImageResources)(img);
            tmpCanvas.width = 0;
            tmpCanvas.height = 0;
            tmpCanvas = null;
            tmpCtx = null;
          };
  
          img.onerror = function () {
            reject(new Error("JpegDecode failed to load image"));
            (0, _display_utils.releaseImageResources)(img);
          };
  
          img.src = imageUrl;
        });
      });
      messageHandler.on("FetchBuiltInCMap", (data, sink) => {
        if (this.destroyed) {
          sink.error(new Error("Worker was destroyed"));
          return;
        }
  
        let fetched = false;
  
        sink.onPull = () => {
          if (fetched) {
            sink.close();
            return;
          }
  
          fetched = true;
          this.CMapReaderFactory.fetch(data).then(function (builtInCMap) {
            sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]);
          }).catch(function (reason) {
            sink.error(reason);
          });
        };
      });
    }
  
    _onUnsupportedFeature({
      featureId
    }) {
      if (this.destroyed) {
        return;
      }
  
      if (this.loadingTask.onUnsupportedFeature) {
        this.loadingTask.onUnsupportedFeature(featureId);
      }
    }
  
    getData() {
      return this.messageHandler.sendWithPromise("GetData", null);
    }
  
    getPage(pageNumber) {
      if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
        return Promise.reject(new Error("Invalid page request"));
      }
  
      const pageIndex = pageNumber - 1;
  
      if (pageIndex in this.pagePromises) {
        return this.pagePromises[pageIndex];
      }
  
      const promise = this.messageHandler.sendWithPromise("GetPage", {
        pageIndex
      }).then(pageInfo => {
        if (this.destroyed) {
          throw new Error("Transport destroyed");
        }
  
        const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug);
        this.pageCache[pageIndex] = page;
        return page;
      });
      this.pagePromises[pageIndex] = promise;
      return promise;
    }
  
    getPageIndex(ref) {
      return this.messageHandler.sendWithPromise("GetPageIndex", {
        ref
      }).catch(function (reason) {
        return Promise.reject(new Error(reason));
      });
    }
  
    getAnnotations(pageIndex, intent) {
      return this.messageHandler.sendWithPromise("GetAnnotations", {
        pageIndex,
        intent
      });
    }
  
    getDestinations() {
      return this.messageHandler.sendWithPromise("GetDestinations", null);
    }
  
    getDestination(id) {
      if (typeof id !== "string") {
        return Promise.reject(new Error("Invalid destination request."));
      }
  
      return this.messageHandler.sendWithPromise("GetDestination", {
        id
      });
    }
  
    getPageLabels() {
      return this.messageHandler.sendWithPromise("GetPageLabels", null);
    }
  
    getPageLayout() {
      return this.messageHandler.sendWithPromise("GetPageLayout", null);
    }
  
    getPageMode() {
      return this.messageHandler.sendWithPromise("GetPageMode", null);
    }
  
    getViewerPreferences() {
      return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
    }
  
    getOpenAction() {
      return this.messageHandler.sendWithPromise("GetOpenAction", null);
    }
  
    getAttachments() {
      return this.messageHandler.sendWithPromise("GetAttachments", null);
    }
  
    getJavaScript() {
      return this.messageHandler.sendWithPromise("GetJavaScript", null);
    }
  
    getOutline() {
      return this.messageHandler.sendWithPromise("GetOutline", null);
    }
  
    getPermissions() {
      return this.messageHandler.sendWithPromise("GetPermissions", null);
    }
  
    getMetadata() {
      return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
        return {
          info: results[0],
          metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
          contentDispositionFilename: this._fullReader ? this._fullReader.filename : null
        };
      });
    }
  
    getStats() {
      return this.messageHandler.sendWithPromise("GetStats", null);
    }
  
    startCleanup() {
      return this.messageHandler.sendWithPromise("Cleanup", null).then(() => {
        for (let i = 0, ii = this.pageCache.length; i < ii; i++) {
          const page = this.pageCache[i];
  
          if (page) {
            const cleanupSuccessful = page.cleanup();
  
            if (!cleanupSuccessful) {
              throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`);
            }
          }
        }
  
        this.commonObjs.clear();
        this.fontLoader.clear();
      });
    }
  
    get loadingParams() {
      const params = this._params;
      return (0, _util.shadow)(this, "loadingParams", {
        disableAutoFetch: params.disableAutoFetch,
        disableCreateObjectURL: params.disableCreateObjectURL,
        disableFontFace: params.disableFontFace,
        nativeImageDecoderSupport: params.nativeImageDecoderSupport
      });
    }
  
  }
  
  class PDFObjects {
    constructor() {
      this._objs = Object.create(null);
    }
  
    _ensureObj(objId) {
      if (this._objs[objId]) {
        return this._objs[objId];
      }
  
      return this._objs[objId] = {
        capability: (0, _util.createPromiseCapability)(),
        data: null,
        resolved: false
      };
    }
  
    get(objId, callback = null) {
      if (callback) {
        this._ensureObj(objId).capability.promise.then(callback);
  
        return null;
      }
  
      const obj = this._objs[objId];
  
      if (!obj || !obj.resolved) {
        throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
      }
  
      return obj.data;
    }
  
    has(objId) {
      const obj = this._objs[objId];
      return obj ? obj.resolved : false;
    }
  
    resolve(objId, data) {
      const obj = this._ensureObj(objId);
  
      obj.resolved = true;
      obj.data = data;
      obj.capability.resolve(data);
    }
  
    clear() {
      for (const objId in this._objs) {
        const {
          data
        } = this._objs[objId];
  
        if (typeof Image !== "undefined" && data instanceof Image) {
          (0, _display_utils.releaseImageResources)(data);
        }
      }
  
      this._objs = Object.create(null);
    }
  
  }
  
  class RenderTask {
    constructor(internalRenderTask) {
      this._internalRenderTask = internalRenderTask;
      this.onContinue = null;
    }
  
    get promise() {
      return this._internalRenderTask.capability.promise;
    }
  
    cancel() {
      this._internalRenderTask.cancel();
    }
  
    then(onFulfilled, onRejected) {
      throw new Error("Removed API method: " + "RenderTask.then, use the `promise` getter instead.");
    }
  
  }
  
  const InternalRenderTask = function InternalRenderTaskClosure() {
    const canvasInRendering = new WeakSet();
  
    class InternalRenderTask {
      constructor({
        callback,
        params,
        objs,
        commonObjs,
        operatorList,
        pageIndex,
        canvasFactory,
        webGLContext,
        useRequestAnimationFrame = false,
        pdfBug = false
      }) {
        this.callback = callback;
        this.params = params;
        this.objs = objs;
        this.commonObjs = commonObjs;
        this.operatorListIdx = null;
        this.operatorList = operatorList;
        this._pageIndex = pageIndex;
        this.canvasFactory = canvasFactory;
        this.webGLContext = webGLContext;
        this._pdfBug = pdfBug;
        this.running = false;
        this.graphicsReadyCallback = null;
        this.graphicsReady = false;
        this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
        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;
      }
  
      initializeGraphics(transparency = false) {
        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.add(this._canvas);
        }
  
        if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) {
          this.stepper = globalThis.StepperManager.create(this._pageIndex);
          this.stepper.init(this.operatorList);
          this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
        }
  
        const {
          canvasContext,
          viewport,
          transform,
          imageLayer,
          background
        } = this.params;
        this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer);
        this.gfx.beginDrawing({
          transform,
          viewport,
          transparency,
          background
        });
        this.operatorListIdx = 0;
        this.graphicsReady = true;
  
        if (this.graphicsReadyCallback) {
          this.graphicsReadyCallback();
        }
      }
  
      cancel(error = null) {
        this.running = false;
        this.cancelled = true;
  
        if (this.gfx) {
          this.gfx.endDrawing();
        }
  
        if (this._canvas) {
          canvasInRendering.delete(this._canvas);
        }
  
        this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
      }
  
      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() {
        this.running = true;
  
        if (this.cancelled) {
          return;
        }
  
        if (this.task.onContinue) {
          this.task.onContinue(this._scheduleNextBound);
        } else {
          this._scheduleNext();
        }
      }
  
      _scheduleNext() {
        if (this._useRequestAnimationFrame) {
          window.requestAnimationFrame(() => {
            this._nextBound().catch(this.cancel.bind(this));
          });
        } else {
          Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this));
        }
      }
  
      async _next() {
        if (this.cancelled) {
          return;
        }
  
        this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
  
        if (this.operatorListIdx === this.operatorList.argsArray.length) {
          this.running = false;
  
          if (this.operatorList.lastChunk) {
            this.gfx.endDrawing();
  
            if (this._canvas) {
              canvasInRendering.delete(this._canvas);
            }
  
            this.callback();
          }
        }
      }
  
    }
  
    return InternalRenderTask;
  }();
  
  const version = '2.4.456';
  exports.version = version;
  const build = '228a591c';
  exports.build = build;
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.addLinkAttributes = addLinkAttributes;
  exports.getFilenameFromUrl = getFilenameFromUrl;
  exports.isFetchSupported = isFetchSupported;
  exports.isValidFetchUrl = isValidFetchUrl;
  exports.loadScript = loadScript;
  exports.deprecated = deprecated;
  exports.releaseImageResources = releaseImageResources;
  exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
  exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
  const SVG_NS = "http://www.w3.org/2000/svg";
  
  class DOMCanvasFactory {
    create(width, height) {
      if (width <= 0 || height <= 0) {
        throw new Error("Invalid canvas size");
      }
  
      const canvas = document.createElement("canvas");
      const context = canvas.getContext("2d");
      canvas.width = width;
      canvas.height = height;
      return {
        canvas,
        context
      };
    }
  
    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;
    }
  
    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;
    }
  
  }
  
  exports.DOMCanvasFactory = DOMCanvasFactory;
  
  class DOMCMapReaderFactory {
    constructor({
      baseUrl = null,
      isCompressed = false
    }) {
      this.baseUrl = baseUrl;
      this.isCompressed = isCompressed;
    }
  
    async fetch({
      name
    }) {
      if (!this.baseUrl) {
        throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
      }
  
      if (!name) {
        throw new Error("CMap name must be specified.");
      }
  
      const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
      const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
  
      if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) {
        return fetch(url).then(async response => {
          if (!response.ok) {
            throw new Error(response.statusText);
          }
  
          let cMapData;
  
          if (this.isCompressed) {
            cMapData = new Uint8Array((await response.arrayBuffer()));
          } else {
            cMapData = (0, _util.stringToBytes)((await response.text()));
          }
  
          return {
            cMapData,
            compressionType
          };
        }).catch(reason => {
          throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}` + `CMap at: ${url}`);
        });
      }
  
      return new Promise((resolve, reject) => {
        const request = new XMLHttpRequest();
        request.open("GET", url, true);
  
        if (this.isCompressed) {
          request.responseType = "arraybuffer";
        }
  
        request.onreadystatechange = () => {
          if (request.readyState !== XMLHttpRequest.DONE) {
            return;
          }
  
          if (request.status === 200 || request.status === 0) {
            let cMapData;
  
            if (this.isCompressed && request.response) {
              cMapData = new Uint8Array(request.response);
            } else if (!this.isCompressed && request.responseText) {
              cMapData = (0, _util.stringToBytes)(request.responseText);
            }
  
            if (cMapData) {
              resolve({
                cMapData,
                compressionType
              });
              return;
            }
          }
  
          reject(new Error(request.statusText));
        };
  
        request.send(null);
      }).catch(reason => {
        throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}` + `CMap at: ${url}`);
      });
    }
  
  }
  
  exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
  
  class DOMSVGFactory {
    create(width, height) {
      (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions");
      const 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;
    }
  
    createElement(type) {
      (0, _util.assert)(typeof type === "string", "Invalid SVG element type");
      return document.createElementNS(SVG_NS, type);
    }
  
  }
  
  exports.DOMSVGFactory = DOMSVGFactory;
  
  class PageViewport {
    constructor({
      viewBox,
      scale,
      rotation,
      offsetX = 0,
      offsetY = 0,
      dontFlip = false
    }) {
      this.viewBox = viewBox;
      this.scale = scale;
      this.rotation = rotation;
      this.offsetX = offsetX;
      this.offsetY = offsetY;
      const centerX = (viewBox[2] + viewBox[0]) / 2;
      const centerY = (viewBox[3] + viewBox[1]) / 2;
      let rotateA, rotateB, rotateC, rotateD;
      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;
      }
  
      let offsetCanvasX, offsetCanvasY;
      let width, height;
  
      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;
    }
  
    clone({
      scale = this.scale,
      rotation = this.rotation,
      offsetX = this.offsetX,
      offsetY = this.offsetY,
      dontFlip = false
    } = {}) {
      return new PageViewport({
        viewBox: this.viewBox.slice(),
        scale,
        rotation,
        offsetX,
        offsetY,
        dontFlip
      });
    }
  
    convertToViewportPoint(x, y) {
      return _util.Util.applyTransform([x, y], this.transform);
    }
  
    convertToViewportRectangle(rect) {
      const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
  
      const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
  
      return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
    }
  
    convertToPdfPoint(x, y) {
      return _util.Util.applyInverseTransform([x, y], this.transform);
    }
  
  }
  
  exports.PageViewport = PageViewport;
  
  class RenderingCancelledException extends _util.BaseException {
    constructor(msg, type) {
      super(msg);
      this.type = type;
    }
  
  }
  
  exports.RenderingCancelledException = RenderingCancelledException;
  const LinkTarget = {
    NONE: 0,
    SELF: 1,
    BLANK: 2,
    PARENT: 3,
    TOP: 4
  };
  exports.LinkTarget = LinkTarget;
  
  function addLinkAttributes(link, {
    url,
    target,
    rel,
    enabled = true
  } = {}) {
    (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.');
    const urlNullRemoved = (0, _util.removeNullCharacters)(url);
  
    if (enabled) {
      link.href = link.title = urlNullRemoved;
    } else {
      link.href = "";
      link.title = `Disabled: ${urlNullRemoved}`;
  
      link.onclick = () => {
        return false;
      };
    }
  
    let targetStr = "";
  
    switch (target) {
      case LinkTarget.NONE:
        break;
  
      case LinkTarget.SELF:
        targetStr = "_self";
        break;
  
      case LinkTarget.BLANK:
        targetStr = "_blank";
        break;
  
      case LinkTarget.PARENT:
        targetStr = "_parent";
        break;
  
      case LinkTarget.TOP:
        targetStr = "_top";
        break;
    }
  
    link.target = targetStr;
    link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
  }
  
  function getFilenameFromUrl(url) {
    const anchor = url.indexOf("#");
    const query = url.indexOf("?");
    const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
    return url.substring(url.lastIndexOf("/", end) + 1, end);
  }
  
  class StatTimer {
    constructor() {
      this.started = Object.create(null);
      this.times = [];
    }
  
    time(name) {
      if (name in this.started) {
        (0, _util.warn)(`Timer is already running for ${name}`);
      }
  
      this.started[name] = Date.now();
    }
  
    timeEnd(name) {
      if (!(name in this.started)) {
        (0, _util.warn)(`Timer has not been started for ${name}`);
      }
  
      this.times.push({
        name,
        start: this.started[name],
        end: Date.now()
      });
      delete this.started[name];
    }
  
    toString() {
      const outBuf = [];
      let longest = 0;
  
      for (const time of this.times) {
        const name = time.name;
  
        if (name.length > longest) {
          longest = name.length;
        }
      }
  
      for (const time of this.times) {
        const duration = time.end - time.start;
        outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
      }
  
      return outBuf.join("");
    }
  
  }
  
  exports.StatTimer = StatTimer;
  
  function isFetchSupported() {
    return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined";
  }
  
  function isValidFetchUrl(url, baseUrl) {
    try {
      const {
        protocol
      } = baseUrl ? new URL(url, baseUrl) : new URL(url);
      return protocol === "http:" || protocol === "https:";
    } catch (ex) {
      return false;
    }
  }
  
  function loadScript(src) {
    return new Promise((resolve, reject) => {
      const 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);
    });
  }
  
  function deprecated(details) {
    console.log("Deprecated API usage: " + details);
  }
  
  function releaseImageResources(img) {
    (0, _util.assert)(img instanceof Image, "Invalid `img` parameter.");
    const url = img.src;
  
    if (typeof url === "string" && url.startsWith("blob:") && URL.revokeObjectURL) {
      URL.revokeObjectURL(url);
    }
  
    img.removeAttribute("src");
  }
  
  let pdfDateStringRegex;
  
  class PDFDateString {
    static toDateObject(input) {
      if (!input || !(0, _util.isString)(input)) {
        return null;
      }
  
      if (!pdfDateStringRegex) {
        pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
      }
  
      const matches = pdfDateStringRegex.exec(input);
  
      if (!matches) {
        return null;
      }
  
      const year = parseInt(matches[1], 10);
      let month = parseInt(matches[2], 10);
      month = month >= 1 && month <= 12 ? month - 1 : 0;
      let day = parseInt(matches[3], 10);
      day = day >= 1 && day <= 31 ? day : 1;
      let hour = parseInt(matches[4], 10);
      hour = hour >= 0 && hour <= 23 ? hour : 0;
      let minute = parseInt(matches[5], 10);
      minute = minute >= 0 && minute <= 59 ? minute : 0;
      let second = parseInt(matches[6], 10);
      second = second >= 0 && second <= 59 ? second : 0;
      const universalTimeRelation = matches[7] || "Z";
      let offsetHour = parseInt(matches[8], 10);
      offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
      let offsetMinute = parseInt(matches[9], 10) || 0;
      offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
  
      if (universalTimeRelation === "-") {
        hour += offsetHour;
        minute += offsetMinute;
      } else if (universalTimeRelation === "+") {
        hour -= offsetHour;
        minute -= offsetMinute;
      }
  
      return new Date(Date.UTC(year, month, day, hour, minute, second));
    }
  
  }
  
  exports.PDFDateString = PDFDateString;
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.FontLoader = exports.FontFaceObject = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  class BaseFontLoader {
    constructor({
      docId,
      onUnsupportedFeature
    }) {
      if (this.constructor === BaseFontLoader) {
        (0, _util.unreachable)("Cannot initialize BaseFontLoader.");
      }
  
      this.docId = docId;
      this._onUnsupportedFeature = onUnsupportedFeature;
      this.nativeFontFaces = [];
      this.styleElement = null;
    }
  
    addNativeFontFace(nativeFontFace) {
      this.nativeFontFaces.push(nativeFontFace);
      document.fonts.add(nativeFontFace);
    }
  
    insertRule(rule) {
      let 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);
      }
  
      const styleSheet = styleElement.sheet;
      styleSheet.insertRule(rule, styleSheet.cssRules.length);
    }
  
    clear() {
      this.nativeFontFaces.forEach(function (nativeFontFace) {
        document.fonts.delete(nativeFontFace);
      });
      this.nativeFontFaces.length = 0;
  
      if (this.styleElement) {
        this.styleElement.remove();
        this.styleElement = null;
      }
    }
  
    async bind(font) {
      if (font.attached || font.missingFile) {
        return;
      }
  
      font.attached = true;
  
      if (this.isFontLoadingAPISupported) {
        const nativeFontFace = font.createNativeFontFace();
  
        if (nativeFontFace) {
          this.addNativeFontFace(nativeFontFace);
  
          try {
            await nativeFontFace.loaded;
          } catch (ex) {
            this._onUnsupportedFeature({
              featureId: _util.UNSUPPORTED_FEATURES.font
            });
  
            (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
            font.disableFontFace = true;
            throw ex;
          }
        }
  
        return;
      }
  
      const rule = font.createFontFaceRule();
  
      if (rule) {
        this.insertRule(rule);
  
        if (this.isSyncFontLoadingSupported) {
          return;
        }
  
        await new Promise(resolve => {
          const request = this._queueLoadingCallback(resolve);
  
          this._prepareFontLoadEvent([rule], [font], request);
        });
      }
    }
  
    _queueLoadingCallback(callback) {
      (0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
    }
  
    get isFontLoadingAPISupported() {
      const supported = typeof document !== "undefined" && !!document.fonts;
      return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported);
    }
  
    get isSyncFontLoadingSupported() {
      (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
    }
  
    get _loadTestFont() {
      (0, _util.unreachable)("Abstract method `_loadTestFont`.");
    }
  
    _prepareFontLoadEvent(rules, fontsToLoad, request) {
      (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
    }
  
  }
  
  let FontLoader;
  exports.FontLoader = FontLoader;
  {
    exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
      constructor(docId) {
        super(docId);
        this.loadingContext = {
          requests: [],
          nextRequestId: 0
        };
        this.loadTestFontId = 0;
      }
  
      get isSyncFontLoadingSupported() {
        let supported = false;
  
        if (typeof navigator === "undefined") {
          supported = true;
        } else {
          const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
  
          if (m && m[1] >= 14) {
            supported = true;
          }
        }
  
        return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
      }
  
      _queueLoadingCallback(callback) {
        function completeRequest() {
          (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
          request.done = true;
  
          while (context.requests.length > 0 && context.requests[0].done) {
            const otherRequest = context.requests.shift();
            setTimeout(otherRequest.callback, 0);
          }
        }
  
        const context = this.loadingContext;
        const request = {
          id: `pdfjs-font-loading-${context.nextRequestId++}`,
          done: false,
          complete: completeRequest,
          callback
        };
        context.requests.push(request);
        return request;
      }
  
      get _loadTestFont() {
        const getLoadTestFont = function () {
          return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
        };
  
        return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
      }
  
      _prepareFontLoadEvent(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) {
          const chunk1 = s.substring(0, offset);
          const chunk2 = s.substring(offset + remove);
          return chunk1 + insert + chunk2;
        }
  
        let i, ii;
        const canvas = document.createElement("canvas");
        canvas.width = 1;
        canvas.height = 1;
        const ctx = canvas.getContext("2d");
        let 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);
          const imageData = ctx.getImageData(0, 0, 1, 1);
  
          if (imageData.data[3] > 0) {
            callback();
            return;
          }
  
          setTimeout(isFontReady.bind(null, name, callback));
        }
  
        const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
        let data = this._loadTestFont;
        const COMMENT_OFFSET = 976;
        data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
        const CFF_CHECKSUM_OFFSET = 16;
        const XXXX_VALUE = 0x58585858;
        let 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));
        const url = `url(data:font/opentype;base64,${btoa(data)});`;
        const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
        this.insertRule(rule);
        const names = [];
  
        for (i = 0, ii = fonts.length; i < ii; i++) {
          names.push(fonts[i].loadedName);
        }
  
        names.push(loadTestFontId);
        const div = document.createElement("div");
        div.style.visibility = "hidden";
        div.style.width = div.style.height = "10px";
        div.style.position = "absolute";
        div.style.top = div.style.left = "0px";
  
        for (i = 0, ii = names.length; i < ii; ++i) {
          const 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();
        });
      }
  
    };
  }
  
  class FontFaceObject {
    constructor(translatedData, {
      isEvalSupported = true,
      disableFontFace = false,
      ignoreErrors = false,
      onUnsupportedFeature = null,
      fontRegistry = null
    }) {
      this.compiledGlyphs = Object.create(null);
  
      for (const 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;
    }
  
    createNativeFontFace() {
      if (!this.data || this.disableFontFace) {
        return null;
      }
  
      const nativeFontFace = new FontFace(this.loadedName, this.data, {});
  
      if (this.fontRegistry) {
        this.fontRegistry.registerFont(this);
      }
  
      return nativeFontFace;
    }
  
    createFontFaceRule() {
      if (!this.data || this.disableFontFace) {
        return null;
      }
  
      const data = (0, _util.bytesToString)(new Uint8Array(this.data));
      const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
      const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
  
      if (this.fontRegistry) {
        this.fontRegistry.registerFont(this, url);
      }
  
      return rule;
    }
  
    getPathGenerator(objs, character) {
      if (this.compiledGlyphs[character] !== undefined) {
        return this.compiledGlyphs[character];
      }
  
      let cmds, current;
  
      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 && _util.IsEvalSupportedCached.value) {
        let args,
            js = "";
  
        for (let 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 (let 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);
        }
      };
    }
  
  }
  
  exports.FontFaceObject = FontFaceObject;
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  const compatibilityParams = Object.create(null);
  {
    const {
      isNodeJS
    } = __w_pdfjs_require__(7);
  
    const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
    const isIE = /Trident/.test(userAgent);
    const 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);
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.isNodeJS = void 0;
  const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions["nw"] && !process.versions["electron"];
  exports.isNodeJS = isNodeJS;
  
  /***/ }),
  /* 8 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.CanvasGraphics = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _pattern_helper = __w_pdfjs_require__(9);
  
  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;
  
  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() {
        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);
  
        if (!points[p]) {
          --count;
        }
      } while (p0 !== p);
  
      outlines.push(coords);
      --i;
    }
  
    var drawOutline = function (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 = _util.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) {
        const composed = webGLContext.composeSMask({
          layer: layerCtx.canvas,
          mask,
          properties: {
            subtype: smask.subtype,
            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({
        transform,
        viewport,
        transparency = false,
        background = null
      }) {
        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 {
            for (const depObjId of argsArray[i]) {
              const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
  
              if (!objsPool.has(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(intent) {},
  
      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.globalAlpha = this.current.strokeAlpha;
  
        if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") {
          ctx.save();
          const transform = ctx.mozCurrentTransform;
  
          const scale = _util.Util.singularValueDecompose2dScale(transform)[0];
  
          ctx.strokeStyle = strokeColor.getPattern(ctx, this);
          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale);
          ctx.stroke();
          ctx.restore();
        } else {
          ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
          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";
        let bold = "normal";
  
        if (fontObj.black) {
          bold = "900";
        } else if (fontObj.bold) {
          bold = "bold";
        }
  
        var italic = fontObj.italic ? "italic" : "normal";
        var typeface = `"${name}", ${fontObj.fallbackName}`;
        let browserFontSize = size;
  
        if (size < MIN_FONT_SIZE) {
          browserFontSize = MIN_FONT_SIZE;
        } else if (size > MAX_FONT_SIZE) {
          browserFontSize = MAX_FONT_SIZE;
        }
  
        this.current.fontSizeScale = size / browserFontSize;
        this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
      },
      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(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);
        const 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,
            y,
            fontSize,
            addToPath
          });
        }
      },
  
      get isFontSubpixelAAEnabled() {
        const {
          context: ctx
        } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
        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 undefined;
        }
  
        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();
        let patternTransform;
  
        if (current.patternFill) {
          ctx.save();
          const 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;
  
          if (vertical) {
            charWidth = width * widthAdvanceScale - spacing * fontDirection;
          } else {
            charWidth = width * widthAdvanceScale + spacing * fontDirection;
          }
  
          x += charWidth;
  
          if (restoreNeeded) {
            ctx.restore();
          }
        }
  
        if (vertical) {
          current.y -= x;
        } 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 pattern;
  
        if (IR[0] === "TilingPattern") {
          var color = IR[1];
          var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
          var canvasGraphicsFactory = {
            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 (bbox) {
          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,
            offsetY,
            scaleX,
            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) {
        const domImage = this.processingType3 ? this.commonObjs.get(objId) : 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,
            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,
              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) {
        const imgData = this.processingType3 ? this.commonObjs.get(objId) : 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) {
        const imgData = this.processingType3 ? this.commonObjs.get(objId) : 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,
            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,
              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(scale) {
        if (this._cachedGetSinglePixelWidth === null) {
          const 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;
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getShadingPatternFromIR = getShadingPatternFromIR;
  exports.TilingPattern = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var ShadingIRs = {};
  
  function applyBoundingBox(ctx, bbox) {
    if (!bbox || typeof Path2D === "undefined") {
      return;
    }
  
    const width = bbox[2] - bbox[0];
    const height = bbox[3] - bbox[1];
    const region = new Path2D();
    region.rect(bbox[0], bbox[1], width, height);
    ctx.clip(region);
  }
  
  ShadingIRs.RadialAxial = {
    fromIR: function RadialAxial_fromIR(raw) {
      var type = raw[1];
      var bbox = raw[2];
      var colorStops = raw[3];
      var p0 = raw[4];
      var p1 = raw[5];
      var r0 = raw[6];
      var r1 = raw[7];
      return {
        type: "Pattern",
        getPattern: function RadialAxial_getPattern(ctx) {
          applyBoundingBox(ctx, bbox);
          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;
  
      for (var y = minY; y <= maxY; y++) {
        if (y < y2) {
          let k;
  
          if (y < y1) {
            k = 0;
          } else if (y1 === y2) {
            k = 1;
          } else {
            k = (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 {
          let k;
  
          if (y > y3) {
            k = 1;
          } else if (y2 === y3) {
            k = 0;
          } else {
            k = (y2 - y) / (y2 - y3);
          }
  
          xa = x2 - (x2 - x3) * k;
          car = c2r - (c2r - c3r) * k;
          cag = c2g - (c2g - c3g) * k;
          cab = c2b - (c2b - c3b) * k;
        }
  
        let k;
  
        if (y < y1) {
          k = 0;
        } else if (y > y3) {
          k = 1;
        } else {
          k = (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++) {
          let k = (xa - x) / (xa - xb);
  
          if (k < 0) {
            k = 0;
          } else if (k > 1) {
            k = 1;
          }
  
          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,
        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,
          height,
          backgroundColor,
          figures,
          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,
        offsetX: offsetX - BORDER_SIZE * scaleX,
        offsetY: offsetY - BORDER_SIZE * scaleY,
        scaleX,
        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 bbox = raw[7];
      var background = raw[8];
      return {
        type: "Pattern",
        getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
          applyBoundingBox(ctx, bbox);
          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 matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
  
        var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
  
        var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
        var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
        var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
        var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
        var tmpCtx = tmpCanvas.context;
        var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
        graphics.groupLevel = owner.groupLevel;
        this.setFillAndStrokeStyleToContext(graphics, paintType, color);
        graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
        graphics.transform(1, 0, 0, 1, -x0, -y0);
        this.clipBbox(graphics, bbox, x0, y0, x1, y1);
        graphics.executeOperatorList(operatorList);
        this.ctx.transform(1, 0, 0, 1, x0, y0);
        this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
        return tmpCanvas.canvas;
      },
      getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
        step = Math.abs(step);
        var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
        var size = Math.ceil(step * scale);
  
        if (size >= maxSize) {
          size = maxSize;
        } else {
          scale = size / step;
        }
  
        return {
          scale,
          size
        };
      },
      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) {
        const 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) {
        ctx = this.ctx;
        ctx.setTransform.apply(ctx, this.baseTransform);
        ctx.transform.apply(ctx, this.matrix);
        var temporaryPatternCanvas = this.createPatternCanvas(owner);
        return ctx.createPattern(temporaryPatternCanvas, "repeat");
      }
    };
    return TilingPattern;
  }();
  
  exports.TilingPattern = TilingPattern;
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.GlobalWorkerOptions = void 0;
  const GlobalWorkerOptions = Object.create(null);
  exports.GlobalWorkerOptions = GlobalWorkerOptions;
  GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
  GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.MessageHandler = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  const CallbackKind = {
    UNKNOWN: 0,
    DATA: 1,
    ERROR: 2
  };
  const StreamKind = {
    UNKNOWN: 0,
    CANCEL: 1,
    CANCEL_COMPLETE: 2,
    CLOSE: 3,
    ENQUEUE: 4,
    ERROR: 5,
    PULL: 6,
    PULL_COMPLETE: 7,
    START_COMPLETE: 8
  };
  
  function wrapReason(reason) {
    if (typeof reason !== "object" || reason === null) {
      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);
  
      case "UnknownErrorException":
        return new _util.UnknownErrorException(reason.message, reason.details);
  
      default:
        return new _util.UnknownErrorException(reason.message, reason.toString());
    }
  }
  
  class MessageHandler {
    constructor(sourceName, targetName, comObj) {
      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);
      this.callbackCapabilities = Object.create(null);
      this.actionHandler = Object.create(null);
  
      this._onComObjOnMessage = event => {
        const data = event.data;
  
        if (data.targetName !== this.sourceName) {
          return;
        }
  
        if (data.stream) {
          this._processStreamMessage(data);
  
          return;
        }
  
        if (data.callback) {
          const callbackId = data.callbackId;
          const capability = this.callbackCapabilities[callbackId];
  
          if (!capability) {
            throw new Error(`Cannot resolve callback ${callbackId}`);
          }
  
          delete this.callbackCapabilities[callbackId];
  
          if (data.callback === CallbackKind.DATA) {
            capability.resolve(data.data);
          } else if (data.callback === CallbackKind.ERROR) {
            capability.reject(wrapReason(data.reason));
          } else {
            throw new Error("Unexpected callback case");
          }
  
          return;
        }
  
        const action = this.actionHandler[data.action];
  
        if (!action) {
          throw new Error(`Unknown action from worker: ${data.action}`);
        }
  
        if (data.callbackId) {
          const sourceName = this.sourceName;
          const targetName = data.sourceName;
          new Promise(function (resolve) {
            resolve(action(data.data));
          }).then(function (result) {
            comObj.postMessage({
              sourceName,
              targetName,
              callback: CallbackKind.DATA,
              callbackId: data.callbackId,
              data: result
            });
          }, function (reason) {
            comObj.postMessage({
              sourceName,
              targetName,
              callback: CallbackKind.ERROR,
              callbackId: data.callbackId,
              reason: wrapReason(reason)
            });
          });
          return;
        }
  
        if (data.streamId) {
          this._createStreamSink(data);
  
          return;
        }
  
        action(data.data);
      };
  
      comObj.addEventListener("message", this._onComObjOnMessage);
    }
  
    on(actionName, handler) {
      const ah = this.actionHandler;
  
      if (ah[actionName]) {
        throw new Error(`There is already an actionName called "${actionName}"`);
      }
  
      ah[actionName] = handler;
    }
  
    send(actionName, data, transfers) {
      this._postMessage({
        sourceName: this.sourceName,
        targetName: this.targetName,
        action: actionName,
        data
      }, transfers);
    }
  
    sendWithPromise(actionName, data, transfers) {
      const callbackId = this.callbackId++;
      const capability = (0, _util.createPromiseCapability)();
      this.callbackCapabilities[callbackId] = capability;
  
      try {
        this._postMessage({
          sourceName: this.sourceName,
          targetName: this.targetName,
          action: actionName,
          callbackId,
          data
        }, transfers);
      } catch (ex) {
        capability.reject(ex);
      }
  
      return capability.promise;
    }
  
    sendWithStream(actionName, data, queueingStrategy, transfers) {
      const streamId = this.streamId++;
      const sourceName = this.sourceName;
      const targetName = this.targetName;
      const comObj = this.comObj;
      return new ReadableStream({
        start: controller => {
          const startCapability = (0, _util.createPromiseCapability)();
          this.streamControllers[streamId] = {
            controller,
            startCall: startCapability,
            pullCall: null,
            cancelCall: null,
            isClosed: false
          };
  
          this._postMessage({
            sourceName,
            targetName,
            action: actionName,
            streamId,
            data,
            desiredSize: controller.desiredSize
          }, transfers);
  
          return startCapability.promise;
        },
        pull: controller => {
          const pullCapability = (0, _util.createPromiseCapability)();
          this.streamControllers[streamId].pullCall = pullCapability;
          comObj.postMessage({
            sourceName,
            targetName,
            stream: StreamKind.PULL,
            streamId,
            desiredSize: controller.desiredSize
          });
          return pullCapability.promise;
        },
        cancel: reason => {
          (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
          const cancelCapability = (0, _util.createPromiseCapability)();
          this.streamControllers[streamId].cancelCall = cancelCapability;
          this.streamControllers[streamId].isClosed = true;
          comObj.postMessage({
            sourceName,
            targetName,
            stream: StreamKind.CANCEL,
            streamId,
            reason: wrapReason(reason)
          });
          return cancelCapability.promise;
        }
      }, queueingStrategy);
    }
  
    _createStreamSink(data) {
      const self = this;
      const action = this.actionHandler[data.action];
      const streamId = data.streamId;
      const sourceName = this.sourceName;
      const targetName = data.sourceName;
      const comObj = this.comObj;
      const streamSink = {
        enqueue(chunk, size = 1, transfers) {
          if (this.isCancelled) {
            return;
          }
  
          const lastDesiredSize = this.desiredSize;
          this.desiredSize -= size;
  
          if (lastDesiredSize > 0 && this.desiredSize <= 0) {
            this.sinkCapability = (0, _util.createPromiseCapability)();
            this.ready = this.sinkCapability.promise;
          }
  
          self._postMessage({
            sourceName,
            targetName,
            stream: StreamKind.ENQUEUE,
            streamId,
            chunk
          }, transfers);
        },
  
        close() {
          if (this.isCancelled) {
            return;
          }
  
          this.isCancelled = true;
          comObj.postMessage({
            sourceName,
            targetName,
            stream: StreamKind.CLOSE,
            streamId
          });
          delete self.streamSinks[streamId];
        },
  
        error(reason) {
          (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
  
          if (this.isCancelled) {
            return;
          }
  
          this.isCancelled = true;
          comObj.postMessage({
            sourceName,
            targetName,
            stream: StreamKind.ERROR,
            streamId,
            reason: wrapReason(reason)
          });
        },
  
        sinkCapability: (0, _util.createPromiseCapability)(),
        onPull: null,
        onCancel: null,
        isCancelled: false,
        desiredSize: data.desiredSize,
        ready: null
      };
      streamSink.sinkCapability.resolve();
      streamSink.ready = streamSink.sinkCapability.promise;
      this.streamSinks[streamId] = streamSink;
      new Promise(function (resolve) {
        resolve(action(data.data, streamSink));
      }).then(function () {
        comObj.postMessage({
          sourceName,
          targetName,
          stream: StreamKind.START_COMPLETE,
          streamId,
          success: true
        });
      }, function (reason) {
        comObj.postMessage({
          sourceName,
          targetName,
          stream: StreamKind.START_COMPLETE,
          streamId,
          reason: wrapReason(reason)
        });
      });
    }
  
    _processStreamMessage(data) {
      const streamId = data.streamId;
      const sourceName = this.sourceName;
      const targetName = data.sourceName;
      const comObj = this.comObj;
  
      switch (data.stream) {
        case StreamKind.START_COMPLETE:
          if (data.success) {
            this.streamControllers[streamId].startCall.resolve();
          } else {
            this.streamControllers[streamId].startCall.reject(wrapReason(data.reason));
          }
  
          break;
  
        case StreamKind.PULL_COMPLETE:
          if (data.success) {
            this.streamControllers[streamId].pullCall.resolve();
          } else {
            this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason));
          }
  
          break;
  
        case StreamKind.PULL:
          if (!this.streamSinks[streamId]) {
            comObj.postMessage({
              sourceName,
              targetName,
              stream: StreamKind.PULL_COMPLETE,
              streamId,
              success: true
            });
            break;
          }
  
          if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) {
            this.streamSinks[streamId].sinkCapability.resolve();
          }
  
          this.streamSinks[streamId].desiredSize = data.desiredSize;
          const {
            onPull
          } = this.streamSinks[data.streamId];
          new Promise(function (resolve) {
            resolve(onPull && onPull());
          }).then(function () {
            comObj.postMessage({
              sourceName,
              targetName,
              stream: StreamKind.PULL_COMPLETE,
              streamId,
              success: true
            });
          }, function (reason) {
            comObj.postMessage({
              sourceName,
              targetName,
              stream: StreamKind.PULL_COMPLETE,
              streamId,
              reason: wrapReason(reason)
            });
          });
          break;
  
        case StreamKind.ENQUEUE:
          (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller");
  
          if (this.streamControllers[streamId].isClosed) {
            break;
          }
  
          this.streamControllers[streamId].controller.enqueue(data.chunk);
          break;
  
        case StreamKind.CLOSE:
          (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller");
  
          if (this.streamControllers[streamId].isClosed) {
            break;
          }
  
          this.streamControllers[streamId].isClosed = true;
          this.streamControllers[streamId].controller.close();
  
          this._deleteStreamController(streamId);
  
          break;
  
        case StreamKind.ERROR:
          (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller");
          this.streamControllers[streamId].controller.error(wrapReason(data.reason));
  
          this._deleteStreamController(streamId);
  
          break;
  
        case StreamKind.CANCEL_COMPLETE:
          if (data.success) {
            this.streamControllers[streamId].cancelCall.resolve();
          } else {
            this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason));
          }
  
          this._deleteStreamController(streamId);
  
          break;
  
        case StreamKind.CANCEL:
          if (!this.streamSinks[streamId]) {
            break;
          }
  
          const {
            onCancel
          } = this.streamSinks[data.streamId];
          new Promise(function (resolve) {
            resolve(onCancel && onCancel(wrapReason(data.reason)));
          }).then(function () {
            comObj.postMessage({
              sourceName,
              targetName,
              stream: StreamKind.CANCEL_COMPLETE,
              streamId,
              success: true
            });
          }, function (reason) {
            comObj.postMessage({
              sourceName,
              targetName,
              stream: StreamKind.CANCEL_COMPLETE,
              streamId,
              reason: wrapReason(reason)
            });
          });
          this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason));
          this.streamSinks[streamId].isCancelled = true;
          delete this.streamSinks[streamId];
          break;
  
        default:
          throw new Error("Unexpected stream case");
      }
    }
  
    async _deleteStreamController(streamId) {
      await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) {
        return capability && capability.promise;
      }));
      delete this.streamControllers[streamId];
    }
  
    _postMessage(message, transfers) {
      if (transfers && this.postMessageTransfers) {
        this.comObj.postMessage(message, transfers);
      } else {
        this.comObj.postMessage(message);
      }
    }
  
    destroy() {
      this.comObj.removeEventListener("message", this._onComObjOnMessage);
    }
  
  }
  
  exports.MessageHandler = MessageHandler;
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Metadata = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _xml_parser = __w_pdfjs_require__(13);
  
  class Metadata {
    constructor(data) {
      (0, _util.assert)(typeof data === "string", "Metadata: input is not a string");
      data = this._repair(data);
      const parser = new _xml_parser.SimpleXMLParser();
      const xmlDocument = parser.parseFromString(data);
      this._metadataMap = new Map();
  
      if (xmlDocument) {
        this._parse(xmlDocument);
      }
    }
  
    _repair(data) {
      return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
        const 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.`);
        });
        let chars = "";
  
        for (let i = 0, ii = bytes.length; i < ii; i += 2) {
          const 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;
      });
    }
  
    _parse(xmlDocument) {
      let rdf = xmlDocument.documentElement;
  
      if (rdf.nodeName.toLowerCase() !== "rdf:rdf") {
        rdf = rdf.firstChild;
  
        while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") {
          rdf = rdf.nextSibling;
        }
      }
  
      const nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
  
      if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) {
        return;
      }
  
      const children = rdf.childNodes;
  
      for (let i = 0, ii = children.length; i < ii; i++) {
        const desc = children[i];
  
        if (desc.nodeName.toLowerCase() !== "rdf:description") {
          continue;
        }
  
        for (let j = 0, jj = desc.childNodes.length; j < jj; j++) {
          if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
            const entry = desc.childNodes[j];
            const name = entry.nodeName.toLowerCase();
  
            this._metadataMap.set(name, entry.textContent.trim());
          }
        }
      }
    }
  
    get(name) {
      return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
    }
  
    getAll() {
      const obj = Object.create(null);
  
      for (const [key, value] of this._metadataMap) {
        obj[key] = value;
      }
  
      return obj;
    }
  
    has(name) {
      return this._metadataMap.has(name);
    }
  
  }
  
  exports.Metadata = Metadata;
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SimpleXMLParser = void 0;
  const 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) {
    const ch = s[index];
    return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
  }
  
  function isWhitespaceString(s) {
    for (let i = 0, ii = s.length; i < ii; i++) {
      if (!isWhitespace(s, i)) {
        return false;
      }
    }
  
    return true;
  }
  
  class XMLParserBase {
    _resolveEntities(s) {
      return s.replace(/&([^;]+);/g, (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);
      });
    }
  
    _parseContent(s, start) {
      const attributes = [];
      let pos = start;
  
      function skipWs() {
        while (pos < s.length && isWhitespace(s, pos)) {
          ++pos;
        }
      }
  
      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
        ++pos;
      }
  
      const name = s.substring(start, pos);
      skipWs();
  
      while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") {
        skipWs();
        let attrName = "",
            attrValue = "";
  
        while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") {
          attrName += s[pos];
          ++pos;
        }
  
        skipWs();
  
        if (s[pos] !== "=") {
          return null;
        }
  
        ++pos;
        skipWs();
        const attrEndChar = s[pos];
  
        if (attrEndChar !== '"' && attrEndChar !== "'") {
          return null;
        }
  
        const 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,
        attributes,
        parsed: pos - start
      };
    }
  
    _parseProcessingInstruction(s, start) {
      let pos = start;
  
      function skipWs() {
        while (pos < s.length && isWhitespace(s, pos)) {
          ++pos;
        }
      }
  
      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") {
        ++pos;
      }
  
      const name = s.substring(start, pos);
      skipWs();
      const attrStart = pos;
  
      while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) {
        ++pos;
      }
  
      const value = s.substring(attrStart, pos);
      return {
        name,
        value,
        parsed: pos - start
      };
    }
  
    parseXml(s) {
      let i = 0;
  
      while (i < s.length) {
        const ch = s[i];
        let j = i;
  
        if (ch === "<") {
          ++j;
          const ch2 = s[j];
          let q;
  
          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;
  
              const 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") {
                const q2 = s.indexOf("[", j + 8);
                let 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;
                }
  
                const 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:
              const content = this._parseContent(s, j);
  
              if (content === null) {
                this.onError(XMLParserErrorCode.MalformedElement);
                return;
              }
  
              let 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++;
          }
  
          const text = s.substring(i, j);
          this.onText(this._resolveEntities(text));
        }
  
        i = j;
      }
    }
  
    onResolveEntity(name) {
      return `&${name};`;
    }
  
    onPi(name, value) {}
  
    onComment(text) {}
  
    onCdata(text) {}
  
    onDoctype(doctypeContent) {}
  
    onText(text) {}
  
    onBeginElement(name, attributes, isEmpty) {}
  
    onEndElement(name) {}
  
    onError(code) {}
  
  }
  
  class SimpleDOMNode {
    constructor(nodeName, nodeValue) {
      this.nodeName = nodeName;
      this.nodeValue = nodeValue;
      Object.defineProperty(this, "parentNode", {
        value: null,
        writable: true
      });
    }
  
    get firstChild() {
      return this.childNodes && this.childNodes[0];
    }
  
    get nextSibling() {
      const childNodes = this.parentNode.childNodes;
  
      if (!childNodes) {
        return undefined;
      }
  
      const index = childNodes.indexOf(this);
  
      if (index === -1) {
        return undefined;
      }
  
      return childNodes[index + 1];
    }
  
    get textContent() {
      if (!this.childNodes) {
        return this.nodeValue || "";
      }
  
      return this.childNodes.map(function (child) {
        return child.textContent;
      }).join("");
    }
  
    hasChildNodes() {
      return this.childNodes && this.childNodes.length > 0;
    }
  
  }
  
  class SimpleXMLParser extends XMLParserBase {
    constructor() {
      super();
      this._currentFragment = null;
      this._stack = null;
      this._errorCode = XMLParserErrorCode.NoError;
    }
  
    parseFromString(data) {
      this._currentFragment = [];
      this._stack = [];
      this._errorCode = XMLParserErrorCode.NoError;
      this.parseXml(data);
  
      if (this._errorCode !== XMLParserErrorCode.NoError) {
        return undefined;
      }
  
      const [documentElement] = this._currentFragment;
  
      if (!documentElement) {
        return undefined;
      }
  
      return {
        documentElement
      };
    }
  
    onResolveEntity(name) {
      switch (name) {
        case "apos":
          return "'";
      }
  
      return super.onResolveEntity(name);
    }
  
    onText(text) {
      if (isWhitespaceString(text)) {
        return;
      }
  
      const node = new SimpleDOMNode("#text", text);
  
      this._currentFragment.push(node);
    }
  
    onCdata(text) {
      const node = new SimpleDOMNode("#text", text);
  
      this._currentFragment.push(node);
    }
  
    onBeginElement(name, attributes, isEmpty) {
      const node = new SimpleDOMNode(name);
      node.childNodes = [];
  
      this._currentFragment.push(node);
  
      if (isEmpty) {
        return;
      }
  
      this._stack.push(this._currentFragment);
  
      this._currentFragment = node.childNodes;
    }
  
    onEndElement(name) {
      this._currentFragment = this._stack.pop() || [];
      const lastElement = this._currentFragment[this._currentFragment.length - 1];
  
      if (!lastElement) {
        return;
      }
  
      for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
        lastElement.childNodes[i].parentNode = lastElement;
      }
    }
  
    onError(code) {
      this._errorCode = code;
    }
  
  }
  
  exports.SimpleXMLParser = SimpleXMLParser;
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFDataTransportStream = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  class PDFDataTransportStream {
    constructor(params, pdfDataRangeTransport) {
      (0, _util.assert)(pdfDataRangeTransport);
      this._queuedChunks = [];
      this._progressiveDone = params.progressiveDone || false;
      const initialData = params.initialData;
  
      if (initialData && initialData.length > 0) {
        const 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((begin, chunk) => {
        this._onReceiveData({
          begin,
          chunk
        });
      });
  
      this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
        this._onProgress({
          loaded,
          total
        });
      });
  
      this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
        this._onReceiveData({
          chunk
        });
      });
  
      this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
        this._onProgressiveDone();
      });
  
      this._pdfDataRangeTransport.transportReady();
    }
  
    _onReceiveData(args) {
      const buffer = new Uint8Array(args.chunk).buffer;
  
      if (args.begin === undefined) {
        if (this._fullRequestReader) {
          this._fullRequestReader._enqueue(buffer);
        } else {
          this._queuedChunks.push(buffer);
        }
      } else {
        const found = this._rangeReaders.some(function (rangeReader) {
          if (rangeReader._begin !== args.begin) {
            return false;
          }
  
          rangeReader._enqueue(buffer);
  
          return true;
        });
  
        (0, _util.assert)(found);
      }
    }
  
    get _progressiveDataLength() {
      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
    }
  
    _onProgress(evt) {
      if (evt.total === undefined) {
        const firstReader = this._rangeReaders[0];
  
        if (firstReader && firstReader.onProgress) {
          firstReader.onProgress({
            loaded: evt.loaded
          });
        }
      } else {
        const fullReader = this._fullRequestReader;
  
        if (fullReader && fullReader.onProgress) {
          fullReader.onProgress({
            loaded: evt.loaded,
            total: evt.total
          });
        }
      }
    }
  
    _onProgressiveDone() {
      if (this._fullRequestReader) {
        this._fullRequestReader.progressiveDone();
      }
  
      this._progressiveDone = true;
    }
  
    _removeRangeReader(reader) {
      const i = this._rangeReaders.indexOf(reader);
  
      if (i >= 0) {
        this._rangeReaders.splice(i, 1);
      }
    }
  
    getFullReader() {
      (0, _util.assert)(!this._fullRequestReader);
      const queuedChunks = this._queuedChunks;
      this._queuedChunks = null;
      return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
    }
  
    getRangeReader(begin, end) {
      if (end <= this._progressiveDataLength) {
        return null;
      }
  
      const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
  
      this._pdfDataRangeTransport.requestDataRange(begin, end);
  
      this._rangeReaders.push(reader);
  
      return reader;
    }
  
    cancelAllRequests(reason) {
      if (this._fullRequestReader) {
        this._fullRequestReader.cancel(reason);
      }
  
      const readers = this._rangeReaders.slice(0);
  
      readers.forEach(function (rangeReader) {
        rangeReader.cancel(reason);
      });
  
      this._pdfDataRangeTransport.abort();
    }
  
  }
  
  exports.PDFDataTransportStream = PDFDataTransportStream;
  
  class PDFDataTransportStreamReader {
    constructor(stream, queuedChunks, progressiveDone = false) {
      this._stream = stream;
      this._done = progressiveDone || false;
      this._filename = null;
      this._queuedChunks = queuedChunks || [];
      this._loaded = 0;
  
      for (const chunk of this._queuedChunks) {
        this._loaded += chunk.byteLength;
      }
  
      this._requests = [];
      this._headersReady = Promise.resolve();
      stream._fullRequestReader = this;
      this.onProgress = null;
    }
  
    _enqueue(chunk) {
      if (this._done) {
        return;
      }
  
      if (this._requests.length > 0) {
        const requestCapability = this._requests.shift();
  
        requestCapability.resolve({
          value: chunk,
          done: false
        });
      } else {
        this._queuedChunks.push(chunk);
      }
  
      this._loaded += chunk.byteLength;
    }
  
    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;
    }
  
    async read() {
      if (this._queuedChunks.length > 0) {
        const chunk = this._queuedChunks.shift();
  
        return {
          value: chunk,
          done: false
        };
      }
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      const requestCapability = (0, _util.createPromiseCapability)();
  
      this._requests.push(requestCapability);
  
      return requestCapability.promise;
    }
  
    cancel(reason) {
      this._done = true;
  
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
  
      this._requests = [];
    }
  
    progressiveDone() {
      if (this._done) {
        return;
      }
  
      this._done = true;
    }
  
  }
  
  class PDFDataTransportStreamRangeReader {
    constructor(stream, begin, end) {
      this._stream = stream;
      this._begin = begin;
      this._end = end;
      this._queuedChunk = null;
      this._requests = [];
      this._done = false;
      this.onProgress = null;
    }
  
    _enqueue(chunk) {
      if (this._done) {
        return;
      }
  
      if (this._requests.length === 0) {
        this._queuedChunk = chunk;
      } else {
        const 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;
    }
  
    async read() {
      if (this._queuedChunk) {
        const chunk = this._queuedChunk;
        this._queuedChunk = null;
        return {
          value: chunk,
          done: false
        };
      }
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      const requestCapability = (0, _util.createPromiseCapability)();
  
      this._requests.push(requestCapability);
  
      return requestCapability.promise;
    }
  
    cancel(reason) {
      this._done = true;
  
      this._requests.forEach(function (requestCapability) {
        requestCapability.resolve({
          value: undefined,
          done: true
        });
      });
  
      this._requests = [];
  
      this._stream._removeRangeReader(this);
    }
  
  }
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.WebGLContext = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  class WebGLContext {
    constructor({
      enable = false
    }) {
      this._enabled = enable === true;
    }
  
    get isEnabled() {
      let enabled = this._enabled;
  
      if (enabled) {
        enabled = WebGLUtils.tryInitGL();
      }
  
      return (0, _util.shadow)(this, "isEnabled", enabled);
    }
  
    composeSMask({
      layer,
      mask,
      properties
    }) {
      return WebGLUtils.composeSMask(layer, mask, properties);
    }
  
    drawFigures({
      width,
      height,
      backgroundColor,
      figures,
      context
    }) {
      return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
    }
  
    clear() {
      WebGLUtils.cleanup();
    }
  
  }
  
  exports.WebGLContext = 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() {
        try {
          generateGL();
          return !!currentGL;
        } catch (ex) {}
  
        return false;
      },
  
      composeSMask,
      drawFigures,
  
      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;
      }
  
    };
  }();
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.renderTextLayer = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var renderTextLayer = function renderTextLayerClosure() {
    var MAX_TEXT_DIVS_TO_RENDER = 100000;
    var NonWhitespaceRegexp = /\S/;
  
    function isAllWhitespace(str) {
      return !NonWhitespaceRegexp.test(str);
    }
  
    function appendText(task, geom, styles) {
      var textDiv = document.createElement("span");
      var textDivProperties = {
        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;
      }
  
      let left, 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);
      }
  
      textDiv.style.left = `${left}px`;
      textDiv.style.top = `${top}px`;
      textDiv.style.fontSize = `${fontHeight}px`;
      textDiv.style.fontFamily = style.fontFamily;
      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
        });
      }
    }
  
    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 (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({
      textContent,
      textContentStream,
      container,
      viewport,
      textDivs,
      textContentItemsStr,
      enhanceTextSelection
    }) {
      this._textContent = textContent;
      this._textContentStream = textContentStream;
      this._container = container;
      this._viewport = viewport;
      this._textDivs = textDivs || [];
      this._textContentItemsStr = textContentItemsStr || [];
      this._enhanceTextSelection = !!enhanceTextSelection;
      this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.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 = [];
  
      this._capability.promise.finally(() => {
        if (this._layoutTextCtx) {
          this._layoutTextCtx.canvas.width = 0;
          this._layoutTextCtx.canvas.height = 0;
          this._layoutTextCtx = null;
        }
      }).catch(() => {});
    }
  
    TextLayerRenderTask.prototype = {
      get promise() {
        return this._capability.promise;
      },
  
      cancel: function TextLayer_cancel() {
        this._canceled = true;
  
        if (this._reader) {
          this._reader.cancel(new _util.AbortException("TextLayer task cancelled."));
  
          this._reader = null;
        }
  
        if (this._renderTimer !== null) {
          clearTimeout(this._renderTimer);
          this._renderTimer = null;
        }
  
        this._capability.reject(new Error("TextLayer task cancelled."));
      },
  
      _processItems(items, styleCache) {
        for (let i = 0, len = items.length; i < len; i++) {
          this._textContentItemsStr.push(items[i].str);
  
          appendText(this, items[i], styleCache);
        }
      },
  
      _layoutText(textDiv) {
        const textDivProperties = this._textDivProperties.get(textDiv);
  
        if (textDivProperties.isWhitespace) {
          return;
        }
  
        let transform = "";
  
        if (textDivProperties.canvasWidth !== 0) {
          const {
            fontSize,
            fontFamily
          } = textDiv.style;
  
          if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
            this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
            this._layoutTextLastFontSize = fontSize;
            this._layoutTextLastFontFamily = fontFamily;
          }
  
          const {
            width
          } = this._layoutTextCtx.measureText(textDiv.textContent);
  
          if (width > 0) {
            textDivProperties.scale = textDivProperties.canvasWidth / width;
            transform = `scaleX(${textDivProperties.scale})`;
          }
        }
  
        if (textDivProperties.angle !== 0) {
          transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
        }
  
        if (transform.length > 0) {
          if (this._enhanceTextSelection) {
            textDivProperties.originalTransform = transform;
          }
  
          textDiv.style.transform = transform;
        }
  
        this._textDivProperties.set(textDiv, textDivProperties);
  
        this._container.appendChild(textDiv);
      },
  
      _render: function TextLayer_render(timeout) {
        const capability = (0, _util.createPromiseCapability)();
        let styleCache = Object.create(null);
        const canvas = document.createElement("canvas");
        canvas.mozOpaque = true;
        this._layoutTextCtx = canvas.getContext("2d", {
          alpha: false
        });
  
        if (this._textContent) {
          const textItems = this._textContent.items;
          const textStyles = this._textContent.styles;
  
          this._processItems(textItems, textStyles);
  
          capability.resolve();
        } else if (this._textContentStream) {
          const pump = () => {
            this._reader.read().then(({
              value,
              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(() => {
          styleCache = null;
  
          if (!timeout) {
            render(this);
          } else {
            this._renderTimer = setTimeout(() => {
              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;
        }
  
        const transformBuf = [],
              paddingBuf = [];
  
        for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
          const div = this._textDivs[i];
  
          const divProps = this._textDivProperties.get(div);
  
          if (divProps.isWhitespace) {
            continue;
          }
  
          if (expandDivs) {
            transformBuf.length = 0;
            paddingBuf.length = 0;
  
            if (divProps.originalTransform) {
              transformBuf.push(divProps.originalTransform);
            }
  
            if (divProps.paddingTop > 0) {
              paddingBuf.push(`${divProps.paddingTop}px`);
              transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
            } else {
              paddingBuf.push(0);
            }
  
            if (divProps.paddingRight > 0) {
              paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
            } else {
              paddingBuf.push(0);
            }
  
            if (divProps.paddingBottom > 0) {
              paddingBuf.push(`${divProps.paddingBottom}px`);
            } else {
              paddingBuf.push(0);
            }
  
            if (divProps.paddingLeft > 0) {
              paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
              transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
            } else {
              paddingBuf.push(0);
            }
  
            div.style.padding = paddingBuf.join(" ");
  
            if (transformBuf.length) {
              div.style.transform = transformBuf.join(" ");
            }
          } else {
            div.style.padding = null;
            div.style.transform = divProps.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;
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.AnnotationLayer = void 0;
  
  var _display_utils = __w_pdfjs_require__(4);
  
  var _util = __w_pdfjs_require__(1);
  
  class AnnotationElementFactory {
    static create(parameters) {
      const 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:
          const 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.FREETEXT:
          return new FreeTextAnnotationElement(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.CARET:
          return new CaretAnnotationElement(parameters);
  
        case _util.AnnotationType.INK:
          return new InkAnnotationElement(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);
      }
    }
  
  }
  
  class AnnotationElement {
    constructor(parameters, isRenderable = false, ignoreBorder = false) {
      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);
      }
    }
  
    _createContainer(ignoreBorder = false) {
      const data = this.data,
            page = this.page,
            viewport = this.viewport;
      const container = document.createElement("section");
      let width = data.rect[2] - data.rect[0];
      let height = data.rect[3] - data.rect[1];
      container.setAttribute("data-annotation-id", data.id);
  
      const 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;
        }
  
        const horizontalRadius = data.borderStyle.horizontalCornerRadius;
        const verticalRadius = data.borderStyle.verticalCornerRadius;
  
        if (horizontalRadius > 0 || verticalRadius > 0) {
          const 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;
    }
  
    _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);
      }
  
      const popupElement = new PopupElement({
        container,
        trigger,
        color: data.color,
        title: data.title,
        modificationDate: data.modificationDate,
        contents: data.contents,
        hideWrapper: true
      });
      const popup = popupElement.render();
      popup.style.left = container.style.width;
      container.appendChild(popup);
    }
  
    render() {
      (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
    }
  
  }
  
  class LinkAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
      super(parameters, isRenderable);
    }
  
    render() {
      this.container.className = "linkAnnotation";
      const {
        data,
        linkService
      } = this;
      const link = document.createElement("a");
  
      if (data.url) {
        (0, _display_utils.addLinkAttributes)(link, {
          url: data.url,
          target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
          rel: linkService.externalLinkRel,
          enabled: linkService.externalLinkEnabled
        });
      } else if (data.action) {
        this._bindNamedAction(link, data.action);
      } else {
        this._bindLink(link, data.dest);
      }
  
      this.container.appendChild(link);
      return this.container;
    }
  
    _bindLink(link, destination) {
      link.href = this.linkService.getDestinationHash(destination);
  
      link.onclick = () => {
        if (destination) {
          this.linkService.navigateTo(destination);
        }
  
        return false;
      };
  
      if (destination) {
        link.className = "internalLink";
      }
    }
  
    _bindNamedAction(link, action) {
      link.href = this.linkService.getAnchorUrl("");
  
      link.onclick = () => {
        this.linkService.executeNamedAction(action);
        return false;
      };
  
      link.className = "internalLink";
    }
  
  }
  
  class TextAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable);
    }
  
    render() {
      this.container.className = "textAnnotation";
      const 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;
    }
  
  }
  
  class WidgetAnnotationElement extends AnnotationElement {
    render() {
      return this.container;
    }
  
  }
  
  class TextWidgetAnnotationElement extends WidgetAnnotationElement {
    constructor(parameters) {
      const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
      super(parameters, isRenderable);
    }
  
    render() {
      const TEXT_ALIGNMENT = ["left", "center", "right"];
      this.container.className = "textWidgetAnnotation";
      let 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) {
          const fieldWidth = this.data.rect[2] - this.data.rect[0];
          const 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";
        let font = null;
  
        if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
          font = this.page.commonObjs.get(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;
    }
  
    _setTextStyle(element, font) {
      const style = element.style;
      style.fontSize = `${this.data.fontSize}px`;
      style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr";
  
      if (!font) {
        return;
      }
  
      let bold = "normal";
  
      if (font.black) {
        bold = "900";
      } else if (font.bold) {
        bold = "bold";
      }
  
      style.fontWeight = bold;
      style.fontStyle = font.italic ? "italic" : "normal";
      const fontFamily = font.loadedName ? `"${font.loadedName}", ` : "";
      const fallbackName = font.fallbackName || "Helvetica, sans-serif";
      style.fontFamily = fontFamily + fallbackName;
    }
  
  }
  
  class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
    constructor(parameters) {
      super(parameters, parameters.renderInteractiveForms);
    }
  
    render() {
      this.container.className = "buttonWidgetAnnotation checkBox";
      const 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;
    }
  
  }
  
  class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
    constructor(parameters) {
      super(parameters, parameters.renderInteractiveForms);
    }
  
    render() {
      this.container.className = "buttonWidgetAnnotation radioButton";
      const 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;
    }
  
  }
  
  class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
    render() {
      const container = super.render();
      container.className = "buttonWidgetAnnotation pushButton";
      return container;
    }
  
  }
  
  class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
    constructor(parameters) {
      super(parameters, parameters.renderInteractiveForms);
    }
  
    render() {
      this.container.className = "choiceWidgetAnnotation";
      const 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 (const option of this.data.options) {
        const 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;
    }
  
  }
  
  class PopupAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable);
    }
  
    render() {
      const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
      this.container.className = "popupAnnotation";
  
      if (IGNORE_TYPES.includes(this.data.parentType)) {
        return this.container;
      }
  
      const selector = `[data-annotation-id="${this.data.parentId}"]`;
      const parentElement = this.layer.querySelector(selector);
  
      if (!parentElement) {
        return this.container;
      }
  
      const popup = new PopupElement({
        container: this.container,
        trigger: parentElement,
        color: this.data.color,
        title: this.data.title,
        modificationDate: this.data.modificationDate,
        contents: this.data.contents
      });
      const parentLeft = parseFloat(parentElement.style.left);
      const 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;
    }
  
  }
  
  class PopupElement {
    constructor(parameters) {
      this.container = parameters.container;
      this.trigger = parameters.trigger;
      this.color = parameters.color;
      this.title = parameters.title;
      this.modificationDate = parameters.modificationDate;
      this.contents = parameters.contents;
      this.hideWrapper = parameters.hideWrapper || false;
      this.pinned = false;
    }
  
    render() {
      const BACKGROUND_ENLIGHT = 0.7;
      const wrapper = document.createElement("div");
      wrapper.className = "popupWrapper";
      this.hideElement = this.hideWrapper ? wrapper : this.container;
      this.hideElement.setAttribute("hidden", true);
      const popup = document.createElement("div");
      popup.className = "popup";
      const color = this.color;
  
      if (color) {
        const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
        const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
        const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
        popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
      }
  
      const title = document.createElement("h1");
      title.textContent = this.title;
      popup.appendChild(title);
  
      const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
  
      if (dateObject) {
        const modificationDate = document.createElement("span");
        modificationDate.textContent = "{{date}}, {{time}}";
        modificationDate.dataset.l10nId = "annotation_date_string";
        modificationDate.dataset.l10nArgs = JSON.stringify({
          date: dateObject.toLocaleDateString(),
          time: dateObject.toLocaleTimeString()
        });
        popup.appendChild(modificationDate);
      }
  
      const contents = this._formatContents(this.contents);
  
      popup.appendChild(contents);
      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));
      wrapper.appendChild(popup);
      return wrapper;
    }
  
    _formatContents(contents) {
      const p = document.createElement("p");
      const lines = contents.split(/(?:\r\n?|\n)/);
  
      for (let i = 0, ii = lines.length; i < ii; ++i) {
        const line = lines[i];
        p.appendChild(document.createTextNode(line));
  
        if (i < ii - 1) {
          p.appendChild(document.createElement("br"));
        }
      }
  
      return p;
    }
  
    _toggle() {
      if (this.pinned) {
        this._hide(true);
      } else {
        this._show(true);
      }
    }
  
    _show(pin = false) {
      if (pin) {
        this.pinned = true;
      }
  
      if (this.hideElement.hasAttribute("hidden")) {
        this.hideElement.removeAttribute("hidden");
        this.container.style.zIndex += 1;
      }
    }
  
    _hide(unpin = true) {
      if (unpin) {
        this.pinned = false;
      }
  
      if (!this.hideElement.hasAttribute("hidden") && !this.pinned) {
        this.hideElement.setAttribute("hidden", true);
        this.container.style.zIndex -= 1;
      }
    }
  
  }
  
  class FreeTextAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "freeTextAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class LineAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "lineAnnotation";
      const data = this.data;
      const width = data.rect[2] - data.rect[0];
      const height = data.rect[3] - data.rect[1];
      const svg = this.svgFactory.create(width, height);
      const 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 || 1);
      line.setAttribute("stroke", "transparent");
      svg.appendChild(line);
      this.container.append(svg);
  
      this._createPopup(this.container, line, data);
  
      return this.container;
    }
  
  }
  
  class SquareAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "squareAnnotation";
      const data = this.data;
      const width = data.rect[2] - data.rect[0];
      const height = data.rect[3] - data.rect[1];
      const svg = this.svgFactory.create(width, height);
      const borderWidth = data.borderStyle.width;
      const 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 || 1);
      square.setAttribute("stroke", "transparent");
      square.setAttribute("fill", "none");
      svg.appendChild(square);
      this.container.append(svg);
  
      this._createPopup(this.container, square, data);
  
      return this.container;
    }
  
  }
  
  class CircleAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "circleAnnotation";
      const data = this.data;
      const width = data.rect[2] - data.rect[0];
      const height = data.rect[3] - data.rect[1];
      const svg = this.svgFactory.create(width, height);
      const borderWidth = data.borderStyle.width;
      const 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 || 1);
      circle.setAttribute("stroke", "transparent");
      circle.setAttribute("fill", "none");
      svg.appendChild(circle);
      this.container.append(svg);
  
      this._createPopup(this.container, circle, data);
  
      return this.container;
    }
  
  }
  
  class PolylineAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
      this.containerClassName = "polylineAnnotation";
      this.svgElementName = "svg:polyline";
    }
  
    render() {
      this.container.className = this.containerClassName;
      const data = this.data;
      const width = data.rect[2] - data.rect[0];
      const height = data.rect[3] - data.rect[1];
      const svg = this.svgFactory.create(width, height);
      let points = [];
  
      for (const coordinate of data.vertices) {
        const x = coordinate.x - data.rect[0];
        const y = data.rect[3] - coordinate.y;
        points.push(x + "," + y);
      }
  
      points = points.join(" ");
      const polyline = this.svgFactory.createElement(this.svgElementName);
      polyline.setAttribute("points", points);
      polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
      polyline.setAttribute("stroke", "transparent");
      polyline.setAttribute("fill", "none");
      svg.appendChild(polyline);
      this.container.append(svg);
  
      this._createPopup(this.container, polyline, data);
  
      return this.container;
    }
  
  }
  
  class PolygonAnnotationElement extends PolylineAnnotationElement {
    constructor(parameters) {
      super(parameters);
      this.containerClassName = "polygonAnnotation";
      this.svgElementName = "svg:polygon";
    }
  
  }
  
  class CaretAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "caretAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class InkAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
      this.containerClassName = "inkAnnotation";
      this.svgElementName = "svg:polyline";
    }
  
    render() {
      this.container.className = this.containerClassName;
      const data = this.data;
      const width = data.rect[2] - data.rect[0];
      const height = data.rect[3] - data.rect[1];
      const svg = this.svgFactory.create(width, height);
  
      for (const inkList of data.inkLists) {
        let points = [];
  
        for (const coordinate of inkList) {
          const x = coordinate.x - data.rect[0];
          const y = data.rect[3] - coordinate.y;
          points.push(`${x},${y}`);
        }
  
        points = points.join(" ");
        const polyline = this.svgFactory.createElement(this.svgElementName);
        polyline.setAttribute("points", points);
        polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
        polyline.setAttribute("stroke", "transparent");
        polyline.setAttribute("fill", "none");
  
        this._createPopup(this.container, polyline, data);
  
        svg.appendChild(polyline);
      }
  
      this.container.append(svg);
      return this.container;
    }
  
  }
  
  class HighlightAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "highlightAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class UnderlineAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "underlineAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class SquigglyAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "squigglyAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class StrikeOutAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "strikeoutAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class StampAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
      super(parameters, isRenderable, true);
    }
  
    render() {
      this.container.className = "stampAnnotation";
  
      if (!this.data.hasPopup) {
        this._createPopup(this.container, null, this.data);
      }
  
      return this.container;
    }
  
  }
  
  class FileAttachmentAnnotationElement extends AnnotationElement {
    constructor(parameters) {
      super(parameters, true);
      const {
        filename,
        content
      } = this.data.file;
      this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
      this.content = content;
  
      if (this.linkService.eventBus) {
        this.linkService.eventBus.dispatch("fileattachmentannotation", {
          source: this,
          id: (0, _util.stringToPDFString)(filename),
          filename,
          content
        });
      }
    }
  
    render() {
      this.container.className = "fileAttachmentAnnotation";
      const 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;
    }
  
    _download() {
      if (!this.downloadManager) {
        (0, _util.warn)("Download cannot be started due to unavailable download manager");
        return;
      }
  
      this.downloadManager.downloadData(this.content, this.filename, "");
    }
  
  }
  
  class AnnotationLayer {
    static render(parameters) {
      const sortedAnnotations = [],
            popupAnnotations = [];
  
      for (const data of parameters.annotations) {
        if (!data) {
          continue;
        }
  
        if (data.annotationType === _util.AnnotationType.POPUP) {
          popupAnnotations.push(data);
          continue;
        }
  
        sortedAnnotations.push(data);
      }
  
      if (popupAnnotations.length) {
        sortedAnnotations.push(...popupAnnotations);
      }
  
      for (const data of sortedAnnotations) {
        const element = AnnotationElementFactory.create({
          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 _display_utils.DOMSVGFactory()
        });
  
        if (element.isRenderable) {
          parameters.div.appendChild(element.render());
        }
      }
    }
  
    static update(parameters) {
      for (const data of parameters.annotations) {
        const element = parameters.div.querySelector(`[data-annotation-id="${data.id}"]`);
  
        if (element) {
          element.style.transform = `matrix(${parameters.viewport.transform.join(",")})`;
        }
      }
  
      parameters.div.removeAttribute("hidden");
    }
  
  }
  
  exports.AnnotationLayer = AnnotationLayer;
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SVGGraphics = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _display_utils = __w_pdfjs_require__(4);
  
  var _is_node = __w_pdfjs_require__(7);
  
  let SVGGraphics = function () {
    throw new Error("Not implemented: SVGGraphics");
  };
  
  exports.SVGGraphics = SVGGraphics;
  {
    const SVG_DEFAULTS = {
      fontStyle: "normal",
      fontWeight: "normal",
      fillColor: "#000000"
    };
    const XML_NS = "http://www.w3.org/XML/1998/namespace";
    const XLINK_NS = "http://www.w3.org/1999/xlink";
    const LINE_CAP_STYLES = ["butt", "round", "square"];
    const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
  
    const convertImgDataToPng = function () {
      const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
      const CHUNK_WRAPPER_SIZE = 12;
      const crcTable = new Int32Array(256);
  
      for (let i = 0; i < 256; i++) {
        let c = i;
  
        for (let 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) {
        let crc = -1;
  
        for (let i = start; i < end; i++) {
          const a = (crc ^ data[i]) & 0xff;
          const b = crcTable[a];
          crc = crc >>> 8 ^ b;
        }
  
        return crc ^ -1;
      }
  
      function writePngChunk(type, body, data, offset) {
        let p = offset;
        const 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;
        const 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) {
        let a = 1;
        let b = 0;
  
        for (let i = start; i < end; ++i) {
          a = (a + (data[i] & 0xff)) % 65521;
          b = (b + a) % 65521;
        }
  
        return b << 16 | a;
      }
  
      function deflateSync(literals) {
        if (!_is_node.isNodeJS) {
          return deflateSyncUncompressed(literals);
        }
  
        try {
          let input;
  
          if (parseInt(process.versions.node) >= 8) {
            input = literals;
          } else {
            input = Buffer.from(literals);
          }
  
  throw Error("zlib not available in the browser");
  
          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) {
        let len = literals.length;
        const maxBlockLength = 0xffff;
        const deflateBlocks = Math.ceil(len / maxBlockLength);
        const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
        let pi = 0;
        idat[pi++] = 0x78;
        idat[pi++] = 0x9c;
        let 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;
        const 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) {
        const width = imgData.width;
        const height = imgData.height;
        let bitDepth, colorType, lineSize;
        const 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");
        }
  
        const literals = new Uint8Array((1 + lineSize) * height);
        let offsetLiterals = 0,
            offsetBytes = 0;
  
        for (let 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 (let y = 0; y < height; y++) {
            offsetLiterals++;
  
            for (let i = 0; i < lineSize; i++) {
              literals[offsetLiterals++] ^= 0xff;
            }
          }
        }
  
        const 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]);
        const idat = deflateSync(literals);
        const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
        const data = new Uint8Array(pngLength);
        let 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) {
        const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
        return encode(imgData, kind, forceDataSchema, isMask);
      };
    }();
  
    class SVGExtraState {
      constructor() {
        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.textMatrixScale = 1;
        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 = "";
      }
  
      clone() {
        return Object.create(this);
      }
  
      setCurrentPoint(x, y) {
        this.x = x;
        this.y = y;
      }
  
    }
  
    function opListToTree(opList) {
      let opTree = [];
      const tmp = [];
  
      for (const opListElement of opList) {
        if (opListElement.fn === "save") {
          opTree.push({
            fnId: 92,
            fn: "group",
            items: []
          });
          tmp.push(opTree);
          opTree = opTree[opTree.length - 1].items;
          continue;
        }
  
        if (opListElement.fn === "restore") {
          opTree = tmp.pop();
        } else {
          opTree.push(opListElement);
        }
      }
  
      return opTree;
    }
  
    function pf(value) {
      if (Number.isInteger(value)) {
        return value.toString();
      }
  
      const s = value.toFixed(10);
      let i = s.length - 1;
  
      if (s[i] !== "0") {
        return s;
      }
  
      do {
        i--;
      } while (s[i] === "0");
  
      return s.substring(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]) {
          const 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])})`;
    }
  
    let clipCount = 0;
    let maskCount = 0;
    let shadingCount = 0;
    exports.SVGGraphics = SVGGraphics = class SVGGraphics {
      constructor(commonObjs, objs, forceDataSchema) {
        this.svgFactory = new _display_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;
        this._operatorIdMapping = [];
  
        for (const op in _util.OPS) {
          this._operatorIdMapping[_util.OPS[op]] = op;
        }
      }
  
      save() {
        this.transformStack.push(this.transformMatrix);
        const old = this.current;
        this.extraStack.push(old);
        this.current = old.clone();
      }
  
      restore() {
        this.transformMatrix = this.transformStack.pop();
        this.current = this.extraStack.pop();
        this.pendingClip = null;
        this.tgrp = null;
      }
  
      group(items) {
        this.save();
        this.executeOpTree(items);
        this.restore();
      }
  
      loadDependencies(operatorList) {
        const fnArray = operatorList.fnArray;
        const argsArray = operatorList.argsArray;
  
        for (let i = 0, ii = fnArray.length; i < ii; i++) {
          if (fnArray[i] !== _util.OPS.dependency) {
            continue;
          }
  
          for (const obj of argsArray[i]) {
            const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
            const promise = new Promise(resolve => {
              objsPool.get(obj, resolve);
            });
            this.current.dependencies.push(promise);
          }
        }
  
        return Promise.all(this.current.dependencies);
      }
  
      transform(a, b, c, d, e, f) {
        const transformMatrix = [a, b, c, d, e, f];
        this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
        this.tgrp = null;
      }
  
      getSVG(operatorList, viewport) {
        this.viewport = viewport;
  
        const svgElement = this._initialize(viewport);
  
        return this.loadDependencies(operatorList).then(() => {
          this.transformMatrix = _util.IDENTITY_MATRIX;
          this.executeOpTree(this.convertOpList(operatorList));
          return svgElement;
        });
      }
  
      convertOpList(operatorList) {
        const operatorIdMapping = this._operatorIdMapping;
        const argsArray = operatorList.argsArray;
        const fnArray = operatorList.fnArray;
        const opList = [];
  
        for (let i = 0, ii = fnArray.length; i < ii; i++) {
          const fnId = fnArray[i];
          opList.push({
            fnId,
            fn: operatorIdMapping[fnId],
            args: argsArray[i]
          });
        }
  
        return opListToTree(opList);
      }
  
      executeOpTree(opTree) {
        for (const opTreeElement of opTree) {
          const fn = opTreeElement.fn;
          const fnId = opTreeElement.fnId;
          const args = opTreeElement.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.setStrokeColorN:
              this.setStrokeColorN(args);
              break;
  
            case _util.OPS.setFillColorN:
              this.setFillColorN(args);
              break;
  
            case _util.OPS.shadingFill:
              this.shadingFill(args[0]);
              break;
  
            case _util.OPS.setDash:
              this.setDash(args[0], args[1]);
              break;
  
            case _util.OPS.setRenderingIntent:
              this.setRenderingIntent(args[0]);
              break;
  
            case _util.OPS.setFlatness:
              this.setFlatness(args[0]);
              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(opTreeElement.items);
              break;
  
            default:
              (0, _util.warn)(`Unimplemented operator ${fn}`);
              break;
          }
        }
      }
  
      setWordSpacing(wordSpacing) {
        this.current.wordSpacing = wordSpacing;
      }
  
      setCharSpacing(charSpacing) {
        this.current.charSpacing = charSpacing;
      }
  
      nextLine() {
        this.moveText(0, this.current.leading);
      }
  
      setTextMatrix(a, b, c, d, e, f) {
        const current = this.current;
        current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
        current.textMatrixScale = Math.sqrt(a * a + b * b);
        current.x = current.lineX = 0;
        current.y = 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() {
        const current = this.current;
        current.x = current.lineX = 0;
        current.y = current.lineY = 0;
        current.textMatrix = _util.IDENTITY_MATRIX;
        current.lineMatrix = _util.IDENTITY_MATRIX;
        current.textMatrixScale = 1;
        current.tspan = this.svgFactory.createElement("svg:tspan");
        current.txtElement = this.svgFactory.createElement("svg:text");
        current.txtgrp = this.svgFactory.createElement("svg:g");
        current.xcoords = [];
      }
  
      moveText(x, y) {
        const current = this.current;
        current.x = current.lineX += x;
        current.y = 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(glyphs) {
        const current = this.current;
        const font = current.font;
        const fontSize = current.fontSize;
  
        if (fontSize === 0) {
          return;
        }
  
        const charSpacing = current.charSpacing;
        const wordSpacing = current.wordSpacing;
        const fontDirection = current.fontDirection;
        const textHScale = current.textHScale * fontDirection;
        const vertical = font.vertical;
        const widthAdvanceScale = fontSize * current.fontMatrix[0];
        let x = 0;
  
        for (const glyph of glyphs) {
          if (glyph === null) {
            x += fontDirection * wordSpacing;
            continue;
          } else if ((0, _util.isNum)(glyph)) {
            x += -glyph * fontSize * 0.001;
            continue;
          }
  
          const width = glyph.width;
          const character = glyph.fontChar;
          const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
          const charWidth = width * widthAdvanceScale + spacing * fontDirection;
  
          if (!glyph.isInFont && !font.missingFile) {
            x += charWidth;
            continue;
          }
  
          current.xcoords.push(current.x + x);
          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);
        }
  
        const 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) {
          const lineWidthScale = 1 / (current.textMatrixScale || 1);
  
          this._setStrokeAttributes(current.tspan, lineWidthScale);
        }
  
        let textMatrix = current.textMatrix;
  
        if (current.textRise !== 0) {
          textMatrix = textMatrix.slice();
          textMatrix[5] += current.textRise;
        }
  
        current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -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(x, y) {
        this.setLeading(-y);
        this.moveText(x, y);
      }
  
      addFontStyle(fontObj) {
        if (!this.cssStyle) {
          this.cssStyle = this.svgFactory.createElement("svg:style");
          this.cssStyle.setAttributeNS(null, "type", "text/css");
          this.defs.appendChild(this.cssStyle);
        }
  
        const url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
        this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
      }
  
      setFont(details) {
        const current = this.current;
        const fontObj = this.commonObjs.get(details[0]);
        let size = details[1];
        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;
        let bold = "normal";
  
        if (fontObj.black) {
          bold = "900";
        } else if (fontObj.bold) {
          bold = "bold";
        }
  
        const 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() {
        const 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(width) {
        if (width > 0) {
          this.current.lineWidth = width;
        }
      }
  
      setLineCap(style) {
        this.current.lineCap = LINE_CAP_STYLES[style];
      }
  
      setLineJoin(style) {
        this.current.lineJoin = LINE_JOIN_STYLES[style];
      }
  
      setMiterLimit(limit) {
        this.current.miterLimit = limit;
      }
  
      setStrokeAlpha(strokeAlpha) {
        this.current.strokeAlpha = strokeAlpha;
      }
  
      setStrokeRGBColor(r, g, b) {
        this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
      }
  
      setFillAlpha(fillAlpha) {
        this.current.fillAlpha = fillAlpha;
      }
  
      setFillRGBColor(r, g, b) {
        this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
        this.current.tspan = this.svgFactory.createElement("svg:tspan");
        this.current.xcoords = [];
      }
  
      setStrokeColorN(args) {
        this.current.strokeColor = this._makeColorN_Pattern(args);
      }
  
      setFillColorN(args) {
        this.current.fillColor = this._makeColorN_Pattern(args);
      }
  
      shadingFill(args) {
        const width = this.viewport.width;
        const height = this.viewport.height;
  
        const inv = _util.Util.inverseTransform(this.transformMatrix);
  
        const bl = _util.Util.applyTransform([0, 0], inv);
  
        const br = _util.Util.applyTransform([0, height], inv);
  
        const ul = _util.Util.applyTransform([width, 0], inv);
  
        const ur = _util.Util.applyTransform([width, height], inv);
  
        const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
        const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
        const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
        const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
        const rect = this.svgFactory.createElement("svg:rect");
        rect.setAttributeNS(null, "x", x0);
        rect.setAttributeNS(null, "y", y0);
        rect.setAttributeNS(null, "width", x1 - x0);
        rect.setAttributeNS(null, "height", y1 - y0);
        rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
  
        this._ensureTransformGroup().appendChild(rect);
      }
  
      _makeColorN_Pattern(args) {
        if (args[0] === "TilingPattern") {
          return this._makeTilingPattern(args);
        }
  
        return this._makeShadingPattern(args);
      }
  
      _makeTilingPattern(args) {
        const color = args[1];
        const operatorList = args[2];
        const matrix = args[3] || _util.IDENTITY_MATRIX;
        const [x0, y0, x1, y1] = args[4];
        const xstep = args[5];
        const ystep = args[6];
        const paintType = args[7];
        const tilingId = `shading${shadingCount++}`;
  
        const [tx0, ty0] = _util.Util.applyTransform([x0, y0], matrix);
  
        const [tx1, ty1] = _util.Util.applyTransform([x1, y1], matrix);
  
        const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
  
        const txstep = xstep * xscale;
        const tystep = ystep * yscale;
        const tiling = this.svgFactory.createElement("svg:pattern");
        tiling.setAttributeNS(null, "id", tilingId);
        tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
        tiling.setAttributeNS(null, "width", txstep);
        tiling.setAttributeNS(null, "height", tystep);
        tiling.setAttributeNS(null, "x", `${tx0}`);
        tiling.setAttributeNS(null, "y", `${ty0}`);
        const svg = this.svg;
        const transformMatrix = this.transformMatrix;
        const fillColor = this.current.fillColor;
        const strokeColor = this.current.strokeColor;
        const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
        this.svg = bbox;
        this.transformMatrix = matrix;
  
        if (paintType === 2) {
          const cssColor = _util.Util.makeCssRgb(...color);
  
          this.current.fillColor = cssColor;
          this.current.strokeColor = cssColor;
        }
  
        this.executeOpTree(this.convertOpList(operatorList));
        this.svg = svg;
        this.transformMatrix = transformMatrix;
        this.current.fillColor = fillColor;
        this.current.strokeColor = strokeColor;
        tiling.appendChild(bbox.childNodes[0]);
        this.defs.appendChild(tiling);
        return `url(#${tilingId})`;
      }
  
      _makeShadingPattern(args) {
        switch (args[0]) {
          case "RadialAxial":
            const shadingId = `shading${shadingCount++}`;
            const colorStops = args[3];
            let gradient;
  
            switch (args[1]) {
              case "axial":
                const point0 = args[4];
                const point1 = args[5];
                gradient = this.svgFactory.createElement("svg:linearGradient");
                gradient.setAttributeNS(null, "id", shadingId);
                gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
                gradient.setAttributeNS(null, "x1", point0[0]);
                gradient.setAttributeNS(null, "y1", point0[1]);
                gradient.setAttributeNS(null, "x2", point1[0]);
                gradient.setAttributeNS(null, "y2", point1[1]);
                break;
  
              case "radial":
                const focalPoint = args[4];
                const circlePoint = args[5];
                const focalRadius = args[6];
                const circleRadius = args[7];
                gradient = this.svgFactory.createElement("svg:radialGradient");
                gradient.setAttributeNS(null, "id", shadingId);
                gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
                gradient.setAttributeNS(null, "cx", circlePoint[0]);
                gradient.setAttributeNS(null, "cy", circlePoint[1]);
                gradient.setAttributeNS(null, "r", circleRadius);
                gradient.setAttributeNS(null, "fx", focalPoint[0]);
                gradient.setAttributeNS(null, "fy", focalPoint[1]);
                gradient.setAttributeNS(null, "fr", focalRadius);
                break;
  
              default:
                throw new Error(`Unknown RadialAxial type: ${args[1]}`);
            }
  
            for (const colorStop of colorStops) {
              const stop = this.svgFactory.createElement("svg:stop");
              stop.setAttributeNS(null, "offset", colorStop[0]);
              stop.setAttributeNS(null, "stop-color", colorStop[1]);
              gradient.appendChild(stop);
            }
  
            this.defs.appendChild(gradient);
            return `url(#${shadingId})`;
  
          case "Mesh":
            (0, _util.warn)("Unimplemented pattern Mesh");
            return null;
  
          case "Dummy":
            return "hotpink";
  
          default:
            throw new Error(`Unknown IR type: ${args[0]}`);
        }
      }
  
      setDash(dashArray, dashPhase) {
        this.current.dashArray = dashArray;
        this.current.dashPhase = dashPhase;
      }
  
      constructPath(ops, args) {
        const current = this.current;
        let x = current.x,
            y = current.y;
        let d = [];
        let j = 0;
  
        for (const op of ops) {
          switch (op | 0) {
            case _util.OPS.rectangle:
              x = args[j++];
              y = args[j++];
              const width = args[j++];
              const height = args[j++];
              const xw = x + width;
              const 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:
              d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(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];
              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;
          }
        }
  
        d = d.join(" ");
  
        if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
          d = current.path.getAttributeNS(null, "d") + d;
        } else {
          current.path = this.svgFactory.createElement("svg:path");
  
          this._ensureTransformGroup().appendChild(current.path);
        }
  
        current.path.setAttributeNS(null, "d", d);
        current.path.setAttributeNS(null, "fill", "none");
        current.element = current.path;
        current.setCurrentPoint(x, y);
      }
  
      endPath() {
        const current = this.current;
        current.path = null;
  
        if (!this.pendingClip) {
          return;
        }
  
        if (!current.element) {
          this.pendingClip = null;
          return;
        }
  
        const clipId = `clippath${clipCount++}`;
        const clipPath = this.svgFactory.createElement("svg:clipPath");
        clipPath.setAttributeNS(null, "id", clipId);
        clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
        const 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(type) {
        this.pendingClip = type;
      }
  
      closePath() {
        const current = this.current;
  
        if (current.path) {
          const d = `${current.path.getAttributeNS(null, "d")}Z`;
          current.path.setAttributeNS(null, "d", d);
        }
      }
  
      setLeading(leading) {
        this.current.leading = -leading;
      }
  
      setTextRise(textRise) {
        this.current.textRise = textRise;
      }
  
      setTextRenderingMode(textRenderingMode) {
        this.current.textRenderingMode = textRenderingMode;
      }
  
      setHScale(scale) {
        this.current.textHScale = scale / 100;
      }
  
      setRenderingIntent(intent) {}
  
      setFlatness(flatness) {}
  
      setGState(states) {
        for (const [key, value] of states) {
          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);
              break;
  
            case "CA":
              this.setStrokeAlpha(value);
              break;
  
            case "ca":
              this.setFillAlpha(value);
              break;
  
            default:
              (0, _util.warn)(`Unimplemented graphic state operator ${key}`);
              break;
          }
        }
      }
  
      fill() {
        const current = this.current;
  
        if (current.element) {
          current.element.setAttributeNS(null, "fill", current.fillColor);
          current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
          this.endPath();
        }
      }
  
      stroke() {
        const current = this.current;
  
        if (current.element) {
          this._setStrokeAttributes(current.element);
  
          current.element.setAttributeNS(null, "fill", "none");
          this.endPath();
        }
      }
  
      _setStrokeAttributes(element, lineWidthScale = 1) {
        const current = this.current;
        let dashArray = current.dashArray;
  
        if (lineWidthScale !== 1 && dashArray.length > 0) {
          dashArray = dashArray.map(function (value) {
            return lineWidthScale * value;
          });
        }
  
        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(lineWidthScale * current.lineWidth) + "px");
        element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
        element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
      }
  
      eoFill() {
        if (this.current.element) {
          this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
        }
  
        this.fill();
      }
  
      fillStroke() {
        this.stroke();
        this.fill();
      }
  
      eoFillStroke() {
        if (this.current.element) {
          this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
        }
  
        this.fillStroke();
      }
  
      closeStroke() {
        this.closePath();
        this.stroke();
      }
  
      closeFillStroke() {
        this.closePath();
        this.fillStroke();
      }
  
      closeEOFillStroke() {
        this.closePath();
        this.eoFillStroke();
      }
  
      paintSolidColorImageMask() {
        const 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", this.current.fillColor);
  
        this._ensureTransformGroup().appendChild(rect);
      }
  
      paintJpegXObject(objId, w, h) {
        const imgObj = this.objs.get(objId);
        const 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(objId) {
        const imgData = this.objs.get(objId);
  
        if (!imgData) {
          (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
          return;
        }
  
        this.paintInlineImageXObject(imgData);
      }
  
      paintInlineImageXObject(imgData, mask) {
        const width = imgData.width;
        const height = imgData.height;
        const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
        const 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");
        const 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(imgData) {
        const current = this.current;
        const width = imgData.width;
        const height = imgData.height;
        const fillColor = current.fillColor;
        current.maskId = `mask${maskCount++}`;
        const mask = this.svgFactory.createElement("svg:mask");
        mask.setAttributeNS(null, "id", current.maskId);
        const rect = this.svgFactory.createElement("svg:rect");
        rect.setAttributeNS(null, "x", "0");
        rect.setAttributeNS(null, "y", "0");
        rect.setAttributeNS(null, "width", pf(width));
        rect.setAttributeNS(null, "height", pf(height));
        rect.setAttributeNS(null, "fill", fillColor);
        rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
        this.defs.appendChild(mask);
  
        this._ensureTransformGroup().appendChild(rect);
  
        this.paintInlineImageXObject(imgData, mask);
      }
  
      paintFormXObjectBegin(matrix, bbox) {
        if (Array.isArray(matrix) && matrix.length === 6) {
          this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
        }
  
        if (bbox) {
          const width = bbox[2] - bbox[0];
          const height = bbox[3] - bbox[1];
          const 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() {}
  
      _initialize(viewport) {
        const svg = this.svgFactory.create(viewport.width, viewport.height);
        const definitions = this.svgFactory.createElement("svg:defs");
        svg.appendChild(definitions);
        this.defs = definitions;
        const rootGroup = this.svgFactory.createElement("svg:g");
        rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
        svg.appendChild(rootGroup);
        this.svg = rootGroup;
        return svg;
      }
  
      _ensureClipGroup() {
        if (!this.current.clipGroup) {
          const 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() {
        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;
      }
  
    };
  }
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFNodeStream = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(20);
  
  const fs = require("fs");
  
  
  
  
  
  const url = require("url");
  
  const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
  
  function parseUrl(sourceUrl) {
    const 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;
  }
  
  class PDFNodeStream {
    constructor(source) {
      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._fullRequestReader = null;
      this._rangeRequestReaders = [];
    }
  
    get _progressiveDataLength() {
      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
    }
  
    getFullReader() {
      (0, _util.assert)(!this._fullRequestReader);
      this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
      return this._fullRequestReader;
    }
  
    getRangeReader(start, end) {
      if (end <= this._progressiveDataLength) {
        return null;
      }
  
      const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
  
      this._rangeRequestReaders.push(rangeReader);
  
      return rangeReader;
    }
  
    cancelAllRequests(reason) {
      if (this._fullRequestReader) {
        this._fullRequestReader.cancel(reason);
      }
  
      const readers = this._rangeRequestReaders.slice(0);
  
      readers.forEach(function (reader) {
        reader.cancel(reason);
      });
    }
  
  }
  
  exports.PDFNodeStream = PDFNodeStream;
  
  class BaseFullReader {
    constructor(stream) {
      this._url = stream.url;
      this._done = false;
      this._storedError = null;
      this.onProgress = null;
      const 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)();
    }
  
    get headersReady() {
      return this._headersCapability.promise;
    }
  
    get filename() {
      return this._filename;
    }
  
    get contentLength() {
      return this._contentLength;
    }
  
    get isRangeSupported() {
      return this._isRangeSupported;
    }
  
    get isStreamingSupported() {
      return this._isStreamingSupported;
    }
  
    async read() {
      await this._readCapability.promise;
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      if (this._storedError) {
        throw this._storedError;
      }
  
      const chunk = this._readableStream.read();
  
      if (chunk === null) {
        this._readCapability = (0, _util.createPromiseCapability)();
        return this.read();
      }
  
      this._loaded += chunk.length;
  
      if (this.onProgress) {
        this.onProgress({
          loaded: this._loaded,
          total: this._contentLength
        });
      }
  
      const buffer = new Uint8Array(chunk).buffer;
      return {
        value: buffer,
        done: false
      };
    }
  
    cancel(reason) {
      if (!this._readableStream) {
        this._error(reason);
  
        return;
      }
  
      this._readableStream.destroy(reason);
    }
  
    _error(reason) {
      this._storedError = reason;
  
      this._readCapability.resolve();
    }
  
    _setReadableStream(readableStream) {
      this._readableStream = readableStream;
      readableStream.on("readable", () => {
        this._readCapability.resolve();
      });
      readableStream.on("end", () => {
        readableStream.destroy();
        this._done = true;
  
        this._readCapability.resolve();
      });
      readableStream.on("error", 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);
      }
    }
  
  }
  
  class BaseRangeReader {
    constructor(stream) {
      this._url = stream.url;
      this._done = false;
      this._storedError = null;
      this.onProgress = null;
      this._loaded = 0;
      this._readableStream = null;
      this._readCapability = (0, _util.createPromiseCapability)();
      const source = stream.source;
      this._isStreamingSupported = !source.disableStream;
    }
  
    get isStreamingSupported() {
      return this._isStreamingSupported;
    }
  
    async read() {
      await this._readCapability.promise;
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      if (this._storedError) {
        throw this._storedError;
      }
  
      const chunk = this._readableStream.read();
  
      if (chunk === null) {
        this._readCapability = (0, _util.createPromiseCapability)();
        return this.read();
      }
  
      this._loaded += chunk.length;
  
      if (this.onProgress) {
        this.onProgress({
          loaded: this._loaded
        });
      }
  
      const buffer = new Uint8Array(chunk).buffer;
      return {
        value: buffer,
        done: false
      };
    }
  
    cancel(reason) {
      if (!this._readableStream) {
        this._error(reason);
  
        return;
      }
  
      this._readableStream.destroy(reason);
    }
  
    _error(reason) {
      this._storedError = reason;
  
      this._readCapability.resolve();
    }
  
    _setReadableStream(readableStream) {
      this._readableStream = readableStream;
      readableStream.on("readable", () => {
        this._readCapability.resolve();
      });
      readableStream.on("end", () => {
        readableStream.destroy();
        this._done = true;
  
        this._readCapability.resolve();
      });
      readableStream.on("error", reason => {
        this._error(reason);
      });
  
      if (this._storedError) {
        this._readableStream.destroy(this._storedError);
      }
    }
  
  }
  
  function createRequestOptions(url, headers) {
    return {
      protocol: url.protocol,
      auth: url.auth,
      host: url.hostname,
      port: url.port,
      path: url.path,
      method: "GET",
      headers
    };
  }
  
  class PDFNodeStreamFullReader extends BaseFullReader {
    constructor(stream) {
      super(stream);
  
      const handleResponse = response => {
        if (response.statusCode === 404) {
          const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
          this._storedError = error;
  
          this._headersCapability.reject(error);
  
          return;
        }
  
        this._headersCapability.resolve();
  
        this._setReadableStream(response);
  
        const getResponseHeader = name => {
          return this._readableStream.headers[name.toLowerCase()];
        };
  
        const {
          allowRangeRequests,
          suggestedLength
        } = (0, _network_utils.validateRangeRequestCapabilities)({
          getResponseHeader,
          isHttp: stream.isHttp,
          rangeChunkSize: this._rangeChunkSize,
          disableRange: this._disableRange
        });
        this._isRangeSupported = allowRangeRequests;
        this._contentLength = suggestedLength || this._contentLength;
        this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
      };
  
      this._request = null;
  
      if (this._url.protocol === "http:") {
        this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
      } else {
        this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
      }
  
      this._request.on("error", reason => {
        this._storedError = reason;
  
        this._headersCapability.reject(reason);
      });
  
      this._request.end();
    }
  
  }
  
  class PDFNodeStreamRangeReader extends BaseRangeReader {
    constructor(stream, start, end) {
      super(stream);
      this._httpHeaders = {};
  
      for (const property in stream.httpHeaders) {
        const value = stream.httpHeaders[property];
  
        if (typeof value === "undefined") {
          continue;
        }
  
        this._httpHeaders[property] = value;
      }
  
      this._httpHeaders["Range"] = `bytes=${start}-${end - 1}`;
  
      const handleResponse = response => {
        if (response.statusCode === 404) {
          const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
          this._storedError = error;
          return;
        }
  
        this._setReadableStream(response);
      };
  
      this._request = null;
  
      if (this._url.protocol === "http:") {
        this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
      } else {
        this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
      }
  
      this._request.on("error", reason => {
        this._storedError = reason;
      });
  
      this._request.end();
    }
  
  }
  
  class PDFNodeStreamFsFullReader extends BaseFullReader {
    constructor(stream) {
      super(stream);
      let path = decodeURIComponent(this._url.path);
  
      if (fileUriRegex.test(this._url.href)) {
        path = path.replace(/^\//, "");
      }
  
      fs.lstat(path, (error, stat) => {
        if (error) {
          if (error.code === "ENOENT") {
            error = new _util.MissingPDFException(`Missing PDF "${path}".`);
          }
  
          this._storedError = error;
  
          this._headersCapability.reject(error);
  
          return;
        }
  
        this._contentLength = stat.size;
  
        this._setReadableStream(fs.createReadStream(path));
  
        this._headersCapability.resolve();
      });
    }
  
  }
  
  class PDFNodeStreamFsRangeReader extends BaseRangeReader {
    constructor(stream, start, end) {
      super(stream);
      let path = decodeURIComponent(this._url.path);
  
      if (fileUriRegex.test(this._url.href)) {
        path = path.replace(/^\//, "");
      }
  
      this._setReadableStream(fs.createReadStream(path, {
        start,
        end: end - 1
      }));
    }
  
  }
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.createResponseStatusError = createResponseStatusError;
  exports.extractFilenameFromHeader = extractFilenameFromHeader;
  exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
  exports.validateResponseStatus = validateResponseStatus;
  
  var _util = __w_pdfjs_require__(1);
  
  var _content_disposition = __w_pdfjs_require__(21);
  
  function validateRangeRequestCapabilities({
    getResponseHeader,
    isHttp,
    rangeChunkSize,
    disableRange
  }) {
    (0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
    const returnValues = {
      allowRangeRequests: false,
      suggestedLength: undefined
    };
    const length = parseInt(getResponseHeader("Content-Length"), 10);
  
    if (!Number.isInteger(length)) {
      return returnValues;
    }
  
    returnValues.suggestedLength = length;
  
    if (length <= 2 * rangeChunkSize) {
      return returnValues;
    }
  
    if (disableRange || !isHttp) {
      return returnValues;
    }
  
    if (getResponseHeader("Accept-Ranges") !== "bytes") {
      return returnValues;
    }
  
    const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
  
    if (contentEncoding !== "identity") {
      return returnValues;
    }
  
    returnValues.allowRangeRequests = true;
    return returnValues;
  }
  
  function extractFilenameFromHeader(getResponseHeader) {
    const contentDisposition = getResponseHeader("Content-Disposition");
  
    if (contentDisposition) {
      let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
  
      if (filename.includes("%")) {
        try {
          filename = decodeURIComponent(filename);
        } catch (ex) {}
      }
  
      if (/\.pdf$/i.test(filename)) {
        return filename;
      }
    }
  
    return null;
  }
  
  function createResponseStatusError(status, url) {
    if (status === 404 || status === 0 && url.startsWith("file:")) {
      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;
  }
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
  
  function getFilenameFromContentDispositionHeader(contentDisposition) {
    let needsEncodingFixup = true;
    let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
  
    if (tmp) {
      tmp = tmp[1];
      let filename = rfc2616unquote(tmp);
      filename = unescape(filename);
      filename = rfc5987decode(filename);
      filename = rfc2047decode(filename);
      return fixupEncoding(filename);
    }
  
    tmp = rfc2231getparam(contentDisposition);
  
    if (tmp) {
      const filename = rfc2047decode(tmp);
      return fixupEncoding(filename);
    }
  
    tmp = toParamRegExp("filename", "i").exec(contentDisposition);
  
    if (tmp) {
      tmp = tmp[1];
      let filename = rfc2616unquote(tmp);
      filename = rfc2047decode(filename);
      return fixupEncoding(filename);
    }
  
    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 {
          const decoder = new TextDecoder(encoding, {
            fatal: true
          });
          const bytes = Array.from(value, function (ch) {
            return ch.charCodeAt(0) & 0xff;
          });
          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) {
      const matches = [];
      let match;
      const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
  
      while ((match = iter.exec(contentDisposition)) !== null) {
        let [, n, quot, part] = match;
        n = parseInt(n, 10);
  
        if (n in matches) {
          if (n === 0) {
            break;
          }
  
          continue;
        }
  
        matches[n] = [quot, part];
      }
  
      const parts = [];
  
      for (let n = 0; n < matches.length; ++n) {
        if (!(n in matches)) {
          break;
        }
  
        let [quot, part] = matches[n];
        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.startsWith('"')) {
        const parts = value.slice(1).split('\\"');
  
        for (let i = 0; i < parts.length; ++i) {
          const 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) {
      const encodingend = extvalue.indexOf("'");
  
      if (encodingend === -1) {
        return extvalue;
      }
  
      const encoding = extvalue.slice(0, encodingend);
      const langvalue = extvalue.slice(encodingend + 1);
      const value = langvalue.replace(/^[^']*'/, "");
      return textdecode(encoding, value);
    }
  
    function rfc2047decode(value) {
      if (!value.startsWith("=?") || /[\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 "";
  }
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFNetworkStream = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(20);
  
  ;
  const OK_RESPONSE = 200;
  const PARTIAL_CONTENT_RESPONSE = 206;
  
  function getArrayBuffer(xhr) {
    const data = xhr.response;
  
    if (typeof data !== "string") {
      return data;
    }
  
    const array = (0, _util.stringToBytes)(data);
    return array.buffer;
  }
  
  class NetworkManager {
    constructor(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);
    }
  
    requestRange(begin, end, listeners) {
      const args = {
        begin,
        end
      };
  
      for (const prop in listeners) {
        args[prop] = listeners[prop];
      }
  
      return this.request(args);
    }
  
    requestFull(listeners) {
      return this.request(listeners);
    }
  
    request(args) {
      const xhr = this.getXhr();
      const xhrId = this.currXhrId++;
      const pendingRequest = this.pendingRequests[xhrId] = {
        xhr
      };
      xhr.open("GET", this.url);
      xhr.withCredentials = this.withCredentials;
  
      for (const property in this.httpHeaders) {
        const value = this.httpHeaders[property];
  
        if (typeof value === "undefined") {
          continue;
        }
  
        xhr.setRequestHeader(property, value);
      }
  
      if (this.isHttp && "begin" in args && "end" in args) {
        xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
        pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
      } else {
        pendingRequest.expectedStatus = OK_RESPONSE;
      }
  
      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(xhrId, evt) {
      const pendingRequest = this.pendingRequests[xhrId];
  
      if (!pendingRequest) {
        return;
      }
  
      if (pendingRequest.onProgress) {
        pendingRequest.onProgress(evt);
      }
    }
  
    onStateChange(xhrId, evt) {
      const pendingRequest = this.pendingRequests[xhrId];
  
      if (!pendingRequest) {
        return;
      }
  
      const 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;
      }
  
      const xhrStatus = xhr.status || OK_RESPONSE;
      const 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;
      }
  
      const chunk = getArrayBuffer(xhr);
  
      if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
        const rangeHeader = xhr.getResponseHeader("Content-Range");
        const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
        pendingRequest.onDone({
          begin: parseInt(matches[1], 10),
          chunk
        });
      } else if (chunk) {
        pendingRequest.onDone({
          begin: 0,
          chunk
        });
      } else if (pendingRequest.onError) {
        pendingRequest.onError(xhr.status);
      }
    }
  
    hasPendingRequests() {
      for (const xhrId in this.pendingRequests) {
        return true;
      }
  
      return false;
    }
  
    getRequestXhr(xhrId) {
      return this.pendingRequests[xhrId].xhr;
    }
  
    isPendingRequest(xhrId) {
      return xhrId in this.pendingRequests;
    }
  
    abortAllRequests() {
      for (const xhrId in this.pendingRequests) {
        this.abortRequest(xhrId | 0);
      }
    }
  
    abortRequest(xhrId) {
      const xhr = this.pendingRequests[xhrId].xhr;
      delete this.pendingRequests[xhrId];
      xhr.abort();
    }
  
  }
  
  class PDFNetworkStream {
    constructor(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 = [];
    }
  
    _onRangeRequestReaderClosed(reader) {
      const i = this._rangeRequestReaders.indexOf(reader);
  
      if (i >= 0) {
        this._rangeRequestReaders.splice(i, 1);
      }
    }
  
    getFullReader() {
      (0, _util.assert)(!this._fullRequestReader);
      this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
      return this._fullRequestReader;
    }
  
    getRangeReader(begin, end) {
      const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
      reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
  
      this._rangeRequestReaders.push(reader);
  
      return reader;
    }
  
    cancelAllRequests(reason) {
      if (this._fullRequestReader) {
        this._fullRequestReader.cancel(reason);
      }
  
      const readers = this._rangeRequestReaders.slice(0);
  
      readers.forEach(function (reader) {
        reader.cancel(reason);
      });
    }
  
  }
  
  exports.PDFNetworkStream = PDFNetworkStream;
  
  class PDFNetworkStreamFullRequestReader {
    constructor(manager, source) {
      this._manager = manager;
      const args = {
        onHeadersReceived: this._onHeadersReceived.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;
    }
  
    _onHeadersReceived() {
      const fullRequestXhrId = this._fullRequestId;
  
      const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
  
      const getResponseHeader = name => {
        return fullRequestXhr.getResponseHeader(name);
      };
  
      const {
        allowRangeRequests,
        suggestedLength
      } = (0, _network_utils.validateRangeRequestCapabilities)({
        getResponseHeader,
        isHttp: this._manager.isHttp,
        rangeChunkSize: this._rangeChunkSize,
        disableRange: this._disableRange
      });
  
      if (allowRangeRequests) {
        this._isRangeSupported = true;
      }
  
      this._contentLength = suggestedLength || this._contentLength;
      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
  
      if (this._isRangeSupported) {
        this._manager.abortRequest(fullRequestXhrId);
      }
  
      this._headersReceivedCapability.resolve();
    }
  
    _onDone(args) {
      if (args) {
        if (this._requests.length > 0) {
          const requestCapability = this._requests.shift();
  
          requestCapability.resolve({
            value: args.chunk,
            done: false
          });
        } else {
          this._cachedChunks.push(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(status) {
      const url = this._url;
      const 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(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;
    }
  
    async read() {
      if (this._storedError) {
        throw this._storedError;
      }
  
      if (this._cachedChunks.length > 0) {
        const chunk = this._cachedChunks.shift();
  
        return {
          value: chunk,
          done: false
        };
      }
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      const requestCapability = (0, _util.createPromiseCapability)();
  
      this._requests.push(requestCapability);
  
      return requestCapability.promise;
    }
  
    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;
    }
  
  }
  
  class PDFNetworkStreamRangeRequestReader {
    constructor(manager, begin, end) {
      this._manager = manager;
      const 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;
    }
  
    _close() {
      if (this.onClosed) {
        this.onClosed(this);
      }
    }
  
    _onDone(data) {
      const chunk = data.chunk;
  
      if (this._requests.length > 0) {
        const 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(evt) {
      if (!this.isStreamingSupported && this.onProgress) {
        this.onProgress({
          loaded: evt.loaded
        });
      }
    }
  
    get isStreamingSupported() {
      return false;
    }
  
    async read() {
      if (this._queuedChunk !== null) {
        const chunk = this._queuedChunk;
        this._queuedChunk = null;
        return {
          value: chunk,
          done: false
        };
      }
  
      if (this._done) {
        return {
          value: undefined,
          done: true
        };
      }
  
      const requestCapability = (0, _util.createPromiseCapability)();
  
      this._requests.push(requestCapability);
  
      return requestCapability.promise;
    }
  
    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();
    }
  
  }
  
  /***/ }),
  /* 23 */
  /***/ (function(module, exports, __w_pdfjs_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFFetchStream = void 0;
  
  var _util = __w_pdfjs_require__(1);
  
  var _network_utils = __w_pdfjs_require__(20);
  
  function createFetchOptions(headers, withCredentials, abortController) {
    return {
      method: "GET",
      headers,
      signal: abortController && abortController.signal,
      mode: "cors",
      credentials: withCredentials ? "include" : "same-origin",
      redirect: "follow"
    };
  }
  
  function createHeaders(httpHeaders) {
    const headers = new Headers();
  
    for (const property in httpHeaders) {
      const value = httpHeaders[property];
  
      if (typeof value === "undefined") {
        continue;
      }
  
      headers.append(property, value);
    }
  
    return headers;
  }
  
  class PDFFetchStream {
    constructor(source) {
      this.source = source;
      this.isHttp = /^https?:/i.test(source.url);
      this.httpHeaders = this.isHttp && source.httpHeaders || {};
      this._fullRequestReader = null;
      this._rangeRequestReaders = [];
    }
  
    get _progressiveDataLength() {
      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
    }
  
    getFullReader() {
      (0, _util.assert)(!this._fullRequestReader);
      this._fullRequestReader = new PDFFetchStreamReader(this);
      return this._fullRequestReader;
    }
  
    getRangeReader(begin, end) {
      if (end <= this._progressiveDataLength) {
        return null;
      }
  
      const reader = new PDFFetchStreamRangeReader(this, begin, end);
  
      this._rangeRequestReaders.push(reader);
  
      return reader;
    }
  
    cancelAllRequests(reason) {
      if (this._fullRequestReader) {
        this._fullRequestReader.cancel(reason);
      }
  
      const readers = this._rangeRequestReaders.slice(0);
  
      readers.forEach(function (reader) {
        reader.cancel(reason);
      });
    }
  
  }
  
  exports.PDFFetchStream = PDFFetchStream;
  
  class PDFFetchStreamReader {
    constructor(stream) {
      this._stream = stream;
      this._reader = null;
      this._loaded = 0;
      this._filename = null;
      const source = stream.source;
      this._withCredentials = source.withCredentials || false;
      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 = createHeaders(this._stream.httpHeaders);
      const url = source.url;
      fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
        if (!(0, _network_utils.validateResponseStatus)(response.status)) {
          throw (0, _network_utils.createResponseStatusError)(response.status, url);
        }
  
        this._reader = response.body.getReader();
  
        this._headersCapability.resolve();
  
        const getResponseHeader = name => {
          return response.headers.get(name);
        };
  
        const {
          allowRangeRequests,
          suggestedLength
        } = (0, _network_utils.validateRangeRequestCapabilities)({
          getResponseHeader,
          isHttp: this._stream.isHttp,
          rangeChunkSize: this._rangeChunkSize,
          disableRange: this._disableRange
        });
        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;
    }
  
    get headersReady() {
      return this._headersCapability.promise;
    }
  
    get filename() {
      return this._filename;
    }
  
    get contentLength() {
      return this._contentLength;
    }
  
    get isRangeSupported() {
      return this._isRangeSupported;
    }
  
    get isStreamingSupported() {
      return this._isStreamingSupported;
    }
  
    async read() {
      await this._headersCapability.promise;
      const {
        value,
        done
      } = await this._reader.read();
  
      if (done) {
        return {
          value,
          done
        };
      }
  
      this._loaded += value.byteLength;
  
      if (this.onProgress) {
        this.onProgress({
          loaded: this._loaded,
          total: this._contentLength
        });
      }
  
      const buffer = new Uint8Array(value).buffer;
      return {
        value: buffer,
        done: false
      };
    }
  
    cancel(reason) {
      if (this._reader) {
        this._reader.cancel(reason);
      }
  
      if (this._abortController) {
        this._abortController.abort();
      }
    }
  
  }
  
  class PDFFetchStreamRangeReader {
    constructor(stream, begin, end) {
      this._stream = stream;
      this._reader = null;
      this._loaded = 0;
      const source = stream.source;
      this._withCredentials = source.withCredentials || false;
      this._readCapability = (0, _util.createPromiseCapability)();
      this._isStreamingSupported = !source.disableStream;
  
      if (typeof AbortController !== "undefined") {
        this._abortController = new AbortController();
      }
  
      this._headers = createHeaders(this._stream.httpHeaders);
  
      this._headers.append("Range", `bytes=${begin}-${end - 1}`);
  
      const url = source.url;
      fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
        if (!(0, _network_utils.validateResponseStatus)(response.status)) {
          throw (0, _network_utils.createResponseStatusError)(response.status, url);
        }
  
        this._readCapability.resolve();
  
        this._reader = response.body.getReader();
      });
      this.onProgress = null;
    }
  
    get isStreamingSupported() {
      return this._isStreamingSupported;
    }
  
    async read() {
      await this._readCapability.promise;
      const {
        value,
        done
      } = await this._reader.read();
  
      if (done) {
        return {
          value,
          done
        };
      }
  
      this._loaded += value.byteLength;
  
      if (this.onProgress) {
        this.onProgress({
          loaded: this._loaded
        });
      }
  
      const buffer = new Uint8Array(value).buffer;
      return {
        value: buffer,
        done: false
      };
    }
  
    cancel(reason) {
      if (this._reader) {
        this._reader.cancel(reason);
      }
  
      if (this._abortController) {
        this._abortController.abort();
      }
    }
  
  }
  
  /***/ })
  /******/ ]);
  });
  
  