text: /* Copyright 2012 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.
   */
  (function (root, factory) {
   'use strict';
   if (typeof define === 'function' && define.amd) {
    define('pdfjs-dist/build/pdf', ['exports'], factory);
   } else if (typeof exports !== 'undefined') {
    factory(exports);
   } else {
    factory(root['pdfjsDistBuildPdf'] = {});
   }
  }(this, function (exports) {
   'use strict';
   var pdfjsVersion = '1.6.418';
   var pdfjsBuild = '59afb4b';
   var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
   var pdfjsLibs = {};
   (function pdfjsWrapper() {
    (function (root, factory) {
     factory(root.pdfjsSharedUtil = {});
    }(this, function (exports) {
     var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
     var FONT_IDENTITY_MATRIX = [
      0.001,
      0,
      0,
      0.001,
      0,
      0
     ];
     var TextRenderingMode = {
      FILL: 0,
      STROKE: 1,
      FILL_STROKE: 2,
      INVISIBLE: 3,
      FILL_ADD_TO_PATH: 4,
      STROKE_ADD_TO_PATH: 5,
      FILL_STROKE_ADD_TO_PATH: 6,
      ADD_TO_PATH: 7,
      FILL_STROKE_MASK: 3,
      ADD_TO_PATH_FLAG: 4
     };
     var ImageKind = {
      GRAYSCALE_1BPP: 1,
      RGB_24BPP: 2,
      RGBA_32BPP: 3
     };
     var AnnotationType = {
      TEXT: 1,
      LINK: 2,
      FREETEXT: 3,
      LINE: 4,
      SQUARE: 5,
      CIRCLE: 6,
      POLYGON: 7,
      POLYLINE: 8,
      HIGHLIGHT: 9,
      UNDERLINE: 10,
      SQUIGGLY: 11,
      STRIKEOUT: 12,
      STAMP: 13,
      CARET: 14,
      INK: 15,
      POPUP: 16,
      FILEATTACHMENT: 17,
      SOUND: 18,
      MOVIE: 19,
      WIDGET: 20,
      SCREEN: 21,
      PRINTERMARK: 22,
      TRAPNET: 23,
      WATERMARK: 24,
      THREED: 25,
      REDACT: 26
     };
     var AnnotationFlag = {
      INVISIBLE: 0x01,
      HIDDEN: 0x02,
      PRINT: 0x04,
      NOZOOM: 0x08,
      NOROTATE: 0x10,
      NOVIEW: 0x20,
      READONLY: 0x40,
      LOCKED: 0x80,
      TOGGLENOVIEW: 0x100,
      LOCKEDCONTENTS: 0x200
     };
     var AnnotationFieldFlag = {
      READONLY: 0x0000001,
      REQUIRED: 0x0000002,
      NOEXPORT: 0x0000004,
      MULTILINE: 0x0001000,
      PASSWORD: 0x0002000,
      NOTOGGLETOOFF: 0x0004000,
      RADIO: 0x0008000,
      PUSHBUTTON: 0x0010000,
      COMBO: 0x0020000,
      EDIT: 0x0040000,
      SORT: 0x0080000,
      FILESELECT: 0x0100000,
      MULTISELECT: 0x0200000,
      DONOTSPELLCHECK: 0x0400000,
      DONOTSCROLL: 0x0800000,
      COMB: 0x1000000,
      RICHTEXT: 0x2000000,
      RADIOSINUNISON: 0x2000000,
      COMMITONSELCHANGE: 0x4000000
     };
     var AnnotationBorderStyleType = {
      SOLID: 1,
      DASHED: 2,
      BEVELED: 3,
      INSET: 4,
      UNDERLINE: 5
     };
     var StreamType = {
      UNKNOWN: 0,
      FLATE: 1,
      LZW: 2,
      DCT: 3,
      JPX: 4,
      JBIG: 5,
      A85: 6,
      AHX: 7,
      CCF: 8,
      RL: 9
     };
     var FontType = {
      UNKNOWN: 0,
      TYPE1: 1,
      TYPE1C: 2,
      CIDFONTTYPE0: 3,
      CIDFONTTYPE0C: 4,
      TRUETYPE: 5,
      CIDFONTTYPE2: 6,
      TYPE3: 7,
      OPENTYPE: 8,
      TYPE0: 9,
      MMTYPE1: 10
     };
     var VERBOSITY_LEVELS = {
      errors: 0,
      warnings: 1,
      infos: 5
     };
     var OPS = {
      dependency: 1,
      setLineWidth: 2,
      setLineCap: 3,
      setLineJoin: 4,
      setMiterLimit: 5,
      setDash: 6,
      setRenderingIntent: 7,
      setFlatness: 8,
      setGState: 9,
      save: 10,
      restore: 11,
      transform: 12,
      moveTo: 13,
      lineTo: 14,
      curveTo: 15,
      curveTo2: 16,
      curveTo3: 17,
      closePath: 18,
      rectangle: 19,
      stroke: 20,
      closeStroke: 21,
      fill: 22,
      eoFill: 23,
      fillStroke: 24,
      eoFillStroke: 25,
      closeFillStroke: 26,
      closeEOFillStroke: 27,
      endPath: 28,
      clip: 29,
      eoClip: 30,
      beginText: 31,
      endText: 32,
      setCharSpacing: 33,
      setWordSpacing: 34,
      setHScale: 35,
      setLeading: 36,
      setFont: 37,
      setTextRenderingMode: 38,
      setTextRise: 39,
      moveText: 40,
      setLeadingMoveText: 41,
      setTextMatrix: 42,
      nextLine: 43,
      showText: 44,
      showSpacedText: 45,
      nextLineShowText: 46,
      nextLineSetSpacingShowText: 47,
      setCharWidth: 48,
      setCharWidthAndBounds: 49,
      setStrokeColorSpace: 50,
      setFillColorSpace: 51,
      setStrokeColor: 52,
      setStrokeColorN: 53,
      setFillColor: 54,
      setFillColorN: 55,
      setStrokeGray: 56,
      setFillGray: 57,
      setStrokeRGBColor: 58,
      setFillRGBColor: 59,
      setStrokeCMYKColor: 60,
      setFillCMYKColor: 61,
      shadingFill: 62,
      beginInlineImage: 63,
      beginImageData: 64,
      endInlineImage: 65,
      paintXObject: 66,
      markPoint: 67,
      markPointProps: 68,
      beginMarkedContent: 69,
      beginMarkedContentProps: 70,
      endMarkedContent: 71,
      beginCompat: 72,
      endCompat: 73,
      paintFormXObjectBegin: 74,
      paintFormXObjectEnd: 75,
      beginGroup: 76,
      endGroup: 77,
      beginAnnotations: 78,
      endAnnotations: 79,
      beginAnnotation: 80,
      endAnnotation: 81,
      paintJpegXObject: 82,
      paintImageMaskXObject: 83,
      paintImageMaskXObjectGroup: 84,
      paintImageXObject: 85,
      paintInlineImageXObject: 86,
      paintInlineImageXObjectGroup: 87,
      paintImageXObjectRepeat: 88,
      paintImageMaskXObjectRepeat: 89,
      paintSolidColorImageMask: 90,
      constructPath: 91
     };
     var verbosity = VERBOSITY_LEVELS.warnings;
     function setVerbosityLevel(level) {
      verbosity = level;
     }
     function getVerbosityLevel() {
      return verbosity;
     }
     function info(msg) {
      if (verbosity >= VERBOSITY_LEVELS.infos) {
       console.log('Info: ' + msg);
      }
     }
     function warn(msg) {
      if (verbosity >= VERBOSITY_LEVELS.warnings) {
       console.log('Warning: ' + msg);
      }
     }
     function deprecated(details) {
      console.log('Deprecated API usage: ' + details);
     }
     function error(msg) {
      if (verbosity >= VERBOSITY_LEVELS.errors) {
       console.log('Error: ' + msg);
       console.log(backtrace());
      }
      throw new Error(msg);
     }
     function backtrace() {
      try {
       throw new Error();
      } catch (e) {
       return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
      }
     }
     function assert(cond, msg) {
      if (!cond) {
       error(msg);
      }
     }
     var UNSUPPORTED_FEATURES = {
      unknown: 'unknown',
      forms: 'forms',
      javaScript: 'javaScript',
      smask: 'smask',
      shadingPattern: 'shadingPattern',
      font: 'font'
     };
     function isSameOrigin(baseUrl, otherUrl) {
      try {
       var base = new URL(baseUrl);
       if (!base.origin || base.origin === 'null') {
        return false;
       }
      } catch (e) {
       return false;
      }
      var 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 {
       var 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: value,
       enumerable: true,
       configurable: true,
       writable: false
      });
      return value;
     }
     function getLookupTableFactory(initializer) {
      var lookup;
      return function () {
       if (initializer) {
        lookup = Object.create(null);
        initializer(lookup);
        initializer = null;
       }
       return lookup;
      };
     }
     var PasswordResponses = {
      NEED_PASSWORD: 1,
      INCORRECT_PASSWORD: 2
     };
     var PasswordException = function PasswordExceptionClosure() {
      function PasswordException(msg, code) {
       this.name = 'PasswordException';
       this.message = msg;
       this.code = code;
      }
      PasswordException.prototype = new Error();
      PasswordException.constructor = PasswordException;
      return PasswordException;
     }();
     var UnknownErrorException = function UnknownErrorExceptionClosure() {
      function UnknownErrorException(msg, details) {
       this.name = 'UnknownErrorException';
       this.message = msg;
       this.details = details;
      }
      UnknownErrorException.prototype = new Error();
      UnknownErrorException.constructor = UnknownErrorException;
      return UnknownErrorException;
     }();
     var InvalidPDFException = function InvalidPDFExceptionClosure() {
      function InvalidPDFException(msg) {
       this.name = 'InvalidPDFException';
       this.message = msg;
      }
      InvalidPDFException.prototype = new Error();
      InvalidPDFException.constructor = InvalidPDFException;
      return InvalidPDFException;
     }();
     var MissingPDFException = function MissingPDFExceptionClosure() {
      function MissingPDFException(msg) {
       this.name = 'MissingPDFException';
       this.message = msg;
      }
      MissingPDFException.prototype = new Error();
      MissingPDFException.constructor = MissingPDFException;
      return MissingPDFException;
     }();
     var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
      function UnexpectedResponseException(msg, status) {
       this.name = 'UnexpectedResponseException';
       this.message = msg;
       this.status = status;
      }
      UnexpectedResponseException.prototype = new Error();
      UnexpectedResponseException.constructor = UnexpectedResponseException;
      return UnexpectedResponseException;
     }();
     var NotImplementedException = function NotImplementedExceptionClosure() {
      function NotImplementedException(msg) {
       this.message = msg;
      }
      NotImplementedException.prototype = new Error();
      NotImplementedException.prototype.name = 'NotImplementedException';
      NotImplementedException.constructor = NotImplementedException;
      return NotImplementedException;
     }();
     var MissingDataException = function MissingDataExceptionClosure() {
      function MissingDataException(begin, end) {
       this.begin = begin;
       this.end = end;
       this.message = 'Missing data [' + begin + ', ' + end + ')';
      }
      MissingDataException.prototype = new Error();
      MissingDataException.prototype.name = 'MissingDataException';
      MissingDataException.constructor = MissingDataException;
      return MissingDataException;
     }();
     var XRefParseException = function XRefParseExceptionClosure() {
      function XRefParseException(msg) {
       this.message = msg;
      }
      XRefParseException.prototype = new Error();
      XRefParseException.prototype.name = 'XRefParseException';
      XRefParseException.constructor = XRefParseException;
      return XRefParseException;
     }();
     var 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');
      var length = bytes.length;
      var MAX_ARGUMENT_COUNT = 8192;
      if (length < MAX_ARGUMENT_COUNT) {
       return String.fromCharCode.apply(null, bytes);
      }
      var strBuf = [];
      for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
       var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
       var chunk = bytes.subarray(i, chunkEnd);
       strBuf.push(String.fromCharCode.apply(null, chunk));
      }
      return strBuf.join('');
     }
     function stringToBytes(str) {
      assert(typeof str === 'string', 'Invalid argument for stringToBytes');
      var length = str.length;
      var bytes = new Uint8Array(length);
      for (var i = 0; i < length; ++i) {
       bytes[i] = str.charCodeAt(i) & 0xFF;
      }
      return bytes;
     }
     function arrayByteLength(arr) {
      if (arr.length !== undefined) {
       return arr.length;
      }
      assert(arr.byteLength !== undefined);
      return arr.byteLength;
     }
     function arraysToBytes(arr) {
      if (arr.length === 1 && arr[0] instanceof Uint8Array) {
       return arr[0];
      }
      var resultLength = 0;
      var i, ii = arr.length;
      var item, itemLength;
      for (i = 0; i < ii; i++) {
       item = arr[i];
       itemLength = arrayByteLength(item);
       resultLength += itemLength;
      }
      var pos = 0;
      var data = new Uint8Array(resultLength);
      for (i = 0; i < ii; i++) {
       item = arr[i];
       if (!(item instanceof Uint8Array)) {
        if (typeof item === 'string') {
         item = stringToBytes(item);
        } else {
         item = new Uint8Array(item);
        }
       }
       itemLength = item.byteLength;
       data.set(item, pos);
       pos += itemLength;
      }
      return data;
     }
     function string32(value) {
      return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
     }
     function log2(x) {
      var n = 1, i = 0;
      while (x > n) {
       n <<= 1;
       i++;
      }
      return i;
     }
     function readInt8(data, start) {
      return data[start] << 24 >> 24;
     }
     function readUint16(data, offset) {
      return data[offset] << 8 | data[offset + 1];
     }
     function readUint32(data, offset) {
      return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
     }
     function isLittleEndian() {
      var buffer8 = new Uint8Array(2);
      buffer8[0] = 1;
      var buffer16 = new Uint16Array(buffer8.buffer);
      return buffer16[0] === 1;
     }
     function isEvalSupported() {
      try {
       new Function('');
       return true;
      } catch (e) {
       return false;
      }
     }
     var Uint32ArrayView = function Uint32ArrayViewClosure() {
      function Uint32ArrayView(buffer, length) {
       this.buffer = buffer;
       this.byteLength = buffer.length;
       this.length = length === undefined ? this.byteLength >> 2 : length;
       ensureUint32ArrayViewProps(this.length);
      }
      Uint32ArrayView.prototype = Object.create(null);
      var uint32ArrayViewSetters = 0;
      function createUint32ArrayProp(index) {
       return {
        get: function () {
         var buffer = this.buffer, offset = index << 2;
         return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
        },
        set: function (value) {
         var buffer = this.buffer, offset = index << 2;
         buffer[offset] = value & 255;
         buffer[offset + 1] = value >> 8 & 255;
         buffer[offset + 2] = value >> 16 & 255;
         buffer[offset + 3] = value >>> 24 & 255;
        }
       };
      }
      function ensureUint32ArrayViewProps(length) {
       while (uint32ArrayViewSetters < length) {
        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
        uint32ArrayViewSetters++;
       }
      }
      return Uint32ArrayView;
     }();
     exports.Uint32ArrayView = Uint32ArrayView;
     var IDENTITY_MATRIX = [
      1,
      0,
      0,
      1,
      0,
      0
     ];
     var Util = function UtilClosure() {
      function Util() {
      }
      var rgbBuf = [
       'rgb(',
       0,
       ',',
       0,
       ',',
       0,
       ')'
      ];
      Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
       rgbBuf[1] = r;
       rgbBuf[3] = g;
       rgbBuf[5] = b;
       return rgbBuf.join('');
      };
      Util.transform = function Util_transform(m1, m2) {
       return [
        m1[0] * m2[0] + m1[2] * m2[1],
        m1[1] * m2[0] + m1[3] * m2[1],
        m1[0] * m2[2] + m1[2] * m2[3],
        m1[1] * m2[2] + m1[3] * m2[3],
        m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
        m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
       ];
      };
      Util.applyTransform = function Util_applyTransform(p, m) {
       var xt = p[0] * m[0] + p[1] * m[2] + m[4];
       var yt = p[0] * m[1] + p[1] * m[3] + m[5];
       return [
        xt,
        yt
       ];
      };
      Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
       var d = m[0] * m[3] - m[1] * m[2];
       var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
       var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
       return [
        xt,
        yt
       ];
      };
      Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
       var p1 = Util.applyTransform(r, m);
       var p2 = Util.applyTransform(r.slice(2, 4), m);
       var p3 = Util.applyTransform([
        r[0],
        r[3]
       ], m);
       var p4 = Util.applyTransform([
        r[2],
        r[1]
       ], m);
       return [
        Math.min(p1[0], p2[0], p3[0], p4[0]),
        Math.min(p1[1], p2[1], p3[1], p4[1]),
        Math.max(p1[0], p2[0], p3[0], p4[0]),
        Math.max(p1[1], p2[1], p3[1], p4[1])
       ];
      };
      Util.inverseTransform = function Util_inverseTransform(m) {
       var d = m[0] * m[3] - m[1] * m[2];
       return [
        m[3] / d,
        -m[1] / d,
        -m[2] / d,
        m[0] / d,
        (m[2] * m[5] - m[4] * m[3]) / d,
        (m[4] * m[1] - m[5] * m[0]) / d
       ];
      };
      Util.apply3dTransform = function Util_apply3dTransform(m, v) {
       return [
        m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
        m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
        m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
       ];
      };
      Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
       var transpose = [
        m[0],
        m[2],
        m[1],
        m[3]
       ];
       var a = m[0] * transpose[0] + m[1] * transpose[2];
       var b = m[0] * transpose[1] + m[1] * transpose[3];
       var c = m[2] * transpose[0] + m[3] * transpose[2];
       var d = m[2] * transpose[1] + m[3] * transpose[3];
       var first = (a + d) / 2;
       var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
       var sx = first + second || 1;
       var sy = first - second || 1;
       return [
        Math.sqrt(sx),
        Math.sqrt(sy)
       ];
      };
      Util.normalizeRect = function Util_normalizeRect(rect) {
       var r = rect.slice(0);
       if (rect[0] > rect[2]) {
        r[0] = rect[2];
        r[2] = rect[0];
       }
       if (rect[1] > rect[3]) {
        r[1] = rect[3];
        r[3] = rect[1];
       }
       return r;
      };
      Util.intersect = function Util_intersect(rect1, rect2) {
       function compare(a, b) {
        return a - b;
       }
       var orderedX = [
         rect1[0],
         rect1[2],
         rect2[0],
         rect2[2]
        ].sort(compare), orderedY = [
         rect1[1],
         rect1[3],
         rect2[1],
         rect2[3]
        ].sort(compare), result = [];
       rect1 = Util.normalizeRect(rect1);
       rect2 = Util.normalizeRect(rect2);
       if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
        result[0] = orderedX[1];
        result[2] = orderedX[2];
       } else {
        return false;
       }
       if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
        result[1] = orderedY[1];
        result[3] = orderedY[2];
       } else {
        return false;
       }
       return result;
      };
      Util.sign = function Util_sign(num) {
       return num < 0 ? -1 : 1;
      };
      var ROMAN_NUMBER_MAP = [
       '',
       'C',
       'CC',
       'CCC',
       'CD',
       'D',
       'DC',
       'DCC',
       'DCCC',
       'CM',
       '',
       'X',
       'XX',
       'XXX',
       'XL',
       'L',
       'LX',
       'LXX',
       'LXXX',
       'XC',
       '',
       'I',
       'II',
       'III',
       'IV',
       'V',
       'VI',
       'VII',
       'VIII',
       'IX'
      ];
      Util.toRoman = function Util_toRoman(number, lowerCase) {
       assert(isInt(number) && number > 0, 'The number should be a positive integer.');
       var pos, romanBuf = [];
       while (number >= 1000) {
        number -= 1000;
        romanBuf.push('M');
       }
       pos = number / 100 | 0;
       number %= 100;
       romanBuf.push(ROMAN_NUMBER_MAP[pos]);
       pos = number / 10 | 0;
       number %= 10;
       romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
       romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
       var romanStr = romanBuf.join('');
       return lowerCase ? romanStr.toLowerCase() : romanStr;
      };
      Util.appendToArray = function Util_appendToArray(arr1, arr2) {
       Array.prototype.push.apply(arr1, arr2);
      };
      Util.prependToArray = function Util_prependToArray(arr1, arr2) {
       Array.prototype.unshift.apply(arr1, arr2);
      };
      Util.extendObj = function extendObj(obj1, obj2) {
       for (var key in obj2) {
        obj1[key] = obj2[key];
       }
      };
      Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
       while (dict && !dict.has(name)) {
        dict = dict.get('Parent');
       }
       if (!dict) {
        return null;
       }
       return getArray ? dict.getArray(name) : dict.get(name);
      };
      Util.inherit = function Util_inherit(sub, base, prototype) {
       sub.prototype = Object.create(base.prototype);
       sub.prototype.constructor = sub;
       for (var prop in prototype) {
        sub.prototype[prop] = prototype[prop];
       }
      };
      Util.loadScript = function Util_loadScript(src, callback) {
       var script = document.createElement('script');
       var loaded = false;
       script.setAttribute('src', src);
       if (callback) {
        script.onload = function () {
         if (!loaded) {
          callback();
         }
         loaded = true;
        };
       }
       document.getElementsByTagName('head')[0].appendChild(script);
      };
      return Util;
     }();
     var PageViewport = function PageViewportClosure() {
      function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
       this.viewBox = viewBox;
       this.scale = scale;
       this.rotation = rotation;
       this.offsetX = offsetX;
       this.offsetY = offsetY;
       var centerX = (viewBox[2] + viewBox[0]) / 2;
       var centerY = (viewBox[3] + viewBox[1]) / 2;
       var rotateA, 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;
       }
       var offsetCanvasX, offsetCanvasY;
       var 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;
       this.fontScale = scale;
      }
      PageViewport.prototype = {
       clone: function PageViewPort_clone(args) {
        args = args || {};
        var scale = 'scale' in args ? args.scale : this.scale;
        var rotation = 'rotation' in args ? args.rotation : this.rotation;
        return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
       },
       convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
        return Util.applyTransform([
         x,
         y
        ], this.transform);
       },
       convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
        var tl = Util.applyTransform([
         rect[0],
         rect[1]
        ], this.transform);
        var br = Util.applyTransform([
         rect[2],
         rect[3]
        ], this.transform);
        return [
         tl[0],
         tl[1],
         br[0],
         br[1]
        ];
       },
       convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
        return Util.applyInverseTransform([
         x,
         y
        ], this.transform);
       }
      };
      return PageViewport;
     }();
     var PDFStringTranslateTable = [
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0x2D8,
      0x2C7,
      0x2C6,
      0x2D9,
      0x2DD,
      0x2DB,
      0x2DA,
      0x2DC,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0x2022,
      0x2020,
      0x2021,
      0x2026,
      0x2014,
      0x2013,
      0x192,
      0x2044,
      0x2039,
      0x203A,
      0x2212,
      0x2030,
      0x201E,
      0x201C,
      0x201D,
      0x2018,
      0x2019,
      0x201A,
      0x2122,
      0xFB01,
      0xFB02,
      0x141,
      0x152,
      0x160,
      0x178,
      0x17D,
      0x131,
      0x142,
      0x153,
      0x161,
      0x17E,
      0,
      0x20AC
     ];
     function stringToPDFString(str) {
      var i, n = str.length, strBuf = [];
      if (str[0] === '\xFE' && str[1] === '\xFF') {
       for (i = 2; i < n; i += 2) {
        strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
       }
      } else {
       for (i = 0; i < n; ++i) {
        var code = PDFStringTranslateTable[str.charCodeAt(i)];
        strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
       }
      }
      return strBuf.join('');
     }
     function stringToUTF8String(str) {
      return decodeURIComponent(escape(str));
     }
     function utf8StringToString(str) {
      return unescape(encodeURIComponent(str));
     }
     function isEmptyObj(obj) {
      for (var key in obj) {
       return false;
      }
      return true;
     }
     function isBool(v) {
      return typeof v === 'boolean';
     }
     function isInt(v) {
      return typeof v === 'number' && (v | 0) === v;
     }
     function isNum(v) {
      return typeof v === 'number';
     }
     function isString(v) {
      return typeof v === 'string';
     }
     function isArray(v) {
      return v instanceof Array;
     }
     function isArrayBuffer(v) {
      return typeof v === 'object' && v !== null && v.byteLength !== undefined;
     }
     function isSpace(ch) {
      return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
     }
     function createPromiseCapability() {
      var capability = {};
      capability.promise = new Promise(function (resolve, reject) {
       capability.resolve = resolve;
       capability.reject = reject;
      });
      return capability;
     }
     (function PromiseClosure() {
      if (globalScope.Promise) {
       if (typeof globalScope.Promise.all !== 'function') {
        globalScope.Promise.all = function (iterable) {
         var count = 0, results = [], resolve, reject;
         var promise = new globalScope.Promise(function (resolve_, reject_) {
          resolve = resolve_;
          reject = reject_;
         });
         iterable.forEach(function (p, i) {
          count++;
          p.then(function (result) {
           results[i] = result;
           count--;
           if (count === 0) {
            resolve(results);
           }
          }, reject);
         });
         if (count === 0) {
          resolve(results);
         }
         return promise;
        };
       }
       if (typeof globalScope.Promise.resolve !== 'function') {
        globalScope.Promise.resolve = function (value) {
         return new globalScope.Promise(function (resolve) {
          resolve(value);
         });
        };
       }
       if (typeof globalScope.Promise.reject !== 'function') {
        globalScope.Promise.reject = function (reason) {
         return new globalScope.Promise(function (resolve, reject) {
          reject(reason);
         });
        };
       }
       if (typeof globalScope.Promise.prototype.catch !== 'function') {
        globalScope.Promise.prototype.catch = function (onReject) {
         return globalScope.Promise.prototype.then(undefined, onReject);
        };
       }
       return;
      }
      var STATUS_PENDING = 0;
      var STATUS_RESOLVED = 1;
      var STATUS_REJECTED = 2;
      var REJECTION_TIMEOUT = 500;
      var HandlerManager = {
       handlers: [],
       running: false,
       unhandledRejections: [],
       pendingRejectionCheck: false,
       scheduleHandlers: function scheduleHandlers(promise) {
        if (promise._status === STATUS_PENDING) {
         return;
        }
        this.handlers = this.handlers.concat(promise._handlers);
        promise._handlers = [];
        if (this.running) {
         return;
        }
        this.running = true;
        setTimeout(this.runHandlers.bind(this), 0);
       },
       runHandlers: function runHandlers() {
        var RUN_TIMEOUT = 1;
        var timeoutAt = Date.now() + RUN_TIMEOUT;
        while (this.handlers.length > 0) {
         var handler = this.handlers.shift();
         var nextStatus = handler.thisPromise._status;
         var nextValue = handler.thisPromise._value;
         try {
          if (nextStatus === STATUS_RESOLVED) {
           if (typeof handler.onResolve === 'function') {
            nextValue = handler.onResolve(nextValue);
           }
          } else if (typeof handler.onReject === 'function') {
           nextValue = handler.onReject(nextValue);
           nextStatus = STATUS_RESOLVED;
           if (handler.thisPromise._unhandledRejection) {
            this.removeUnhandeledRejection(handler.thisPromise);
           }
          }
         } catch (ex) {
          nextStatus = STATUS_REJECTED;
          nextValue = ex;
         }
         handler.nextPromise._updateStatus(nextStatus, nextValue);
         if (Date.now() >= timeoutAt) {
          break;
         }
        }
        if (this.handlers.length > 0) {
         setTimeout(this.runHandlers.bind(this), 0);
         return;
        }
        this.running = false;
       },
       addUnhandledRejection: function addUnhandledRejection(promise) {
        this.unhandledRejections.push({
         promise: promise,
         time: Date.now()
        });
        this.scheduleRejectionCheck();
       },
       removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
        promise._unhandledRejection = false;
        for (var i = 0; i < this.unhandledRejections.length; i++) {
         if (this.unhandledRejections[i].promise === promise) {
          this.unhandledRejections.splice(i);
          i--;
         }
        }
       },
       scheduleRejectionCheck: function scheduleRejectionCheck() {
        if (this.pendingRejectionCheck) {
         return;
        }
        this.pendingRejectionCheck = true;
        setTimeout(function rejectionCheck() {
         this.pendingRejectionCheck = false;
         var now = Date.now();
         for (var i = 0; i < this.unhandledRejections.length; i++) {
          if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
           var unhandled = this.unhandledRejections[i].promise._value;
           var msg = 'Unhandled rejection: ' + unhandled;
           if (unhandled.stack) {
            msg += '\n' + unhandled.stack;
           }
           warn(msg);
           this.unhandledRejections.splice(i);
           i--;
          }
         }
         if (this.unhandledRejections.length) {
          this.scheduleRejectionCheck();
         }
        }.bind(this), REJECTION_TIMEOUT);
       }
      };
      var Promise = function Promise(resolver) {
       this._status = STATUS_PENDING;
       this._handlers = [];
       try {
        resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
       } catch (e) {
        this._reject(e);
       }
      };
      Promise.all = function Promise_all(promises) {
       var resolveAll, rejectAll;
       var deferred = new Promise(function (resolve, reject) {
        resolveAll = resolve;
        rejectAll = reject;
       });
       var unresolved = promises.length;
       var results = [];
       if (unresolved === 0) {
        resolveAll(results);
        return deferred;
       }
       function reject(reason) {
        if (deferred._status === STATUS_REJECTED) {
         return;
        }
        results = [];
        rejectAll(reason);
       }
       for (var i = 0, ii = promises.length; i < ii; ++i) {
        var promise = promises[i];
        var resolve = function (i) {
         return function (value) {
          if (deferred._status === STATUS_REJECTED) {
           return;
          }
          results[i] = value;
          unresolved--;
          if (unresolved === 0) {
           resolveAll(results);
          }
         };
        }(i);
        if (Promise.isPromise(promise)) {
         promise.then(resolve, reject);
        } else {
         resolve(promise);
        }
       }
       return deferred;
      };
      Promise.isPromise = function Promise_isPromise(value) {
       return value && typeof value.then === 'function';
      };
      Promise.resolve = function Promise_resolve(value) {
       return new Promise(function (resolve) {
        resolve(value);
       });
      };
      Promise.reject = function Promise_reject(reason) {
       return new Promise(function (resolve, reject) {
        reject(reason);
       });
      };
      Promise.prototype = {
       _status: null,
       _value: null,
       _handlers: null,
       _unhandledRejection: null,
       _updateStatus: function Promise__updateStatus(status, value) {
        if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
         return;
        }
        if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
         value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
         return;
        }
        this._status = status;
        this._value = value;
        if (status === STATUS_REJECTED && this._handlers.length === 0) {
         this._unhandledRejection = true;
         HandlerManager.addUnhandledRejection(this);
        }
        HandlerManager.scheduleHandlers(this);
       },
       _resolve: function Promise_resolve(value) {
        this._updateStatus(STATUS_RESOLVED, value);
       },
       _reject: function Promise_reject(reason) {
        this._updateStatus(STATUS_REJECTED, reason);
       },
       then: function Promise_then(onResolve, onReject) {
        var nextPromise = new Promise(function (resolve, reject) {
         this.resolve = resolve;
         this.reject = reject;
        });
        this._handlers.push({
         thisPromise: this,
         onResolve: onResolve,
         onReject: onReject,
         nextPromise: nextPromise
        });
        HandlerManager.scheduleHandlers(this);
        return nextPromise;
       },
       catch: function Promise_catch(onReject) {
        return this.then(undefined, onReject);
       }
      };
      globalScope.Promise = Promise;
     }());
     (function WeakMapClosure() {
      if (globalScope.WeakMap) {
       return;
      }
      var id = 0;
      function WeakMap() {
       this.id = '$weakmap' + id++;
      }
      WeakMap.prototype = {
       has: function (obj) {
        return !!Object.getOwnPropertyDescriptor(obj, this.id);
       },
       get: function (obj, defaultValue) {
        return this.has(obj) ? obj[this.id] : defaultValue;
       },
       set: function (obj, value) {
        Object.defineProperty(obj, this.id, {
         value: value,
         enumerable: false,
         configurable: true
        });
       },
       delete: function (obj) {
        delete obj[this.id];
       }
      };
      globalScope.WeakMap = WeakMap;
     }());
     var StatTimer = function StatTimerClosure() {
      function rpad(str, pad, length) {
       while (str.length < length) {
        str += pad;
       }
       return str;
      }
      function StatTimer() {
       this.started = Object.create(null);
       this.times = [];
       this.enabled = true;
      }
      StatTimer.prototype = {
       time: function StatTimer_time(name) {
        if (!this.enabled) {
         return;
        }
        if (name in this.started) {
         warn('Timer is already running for ' + name);
        }
        this.started[name] = Date.now();
       },
       timeEnd: function StatTimer_timeEnd(name) {
        if (!this.enabled) {
         return;
        }
        if (!(name in this.started)) {
         warn('Timer has not been started for ' + name);
        }
        this.times.push({
         'name': name,
         'start': this.started[name],
         'end': Date.now()
        });
        delete this.started[name];
       },
       toString: function StatTimer_toString() {
        var i, ii;
        var times = this.times;
        var out = '';
        var longest = 0;
        for (i = 0, ii = times.length; i < ii; ++i) {
         var name = times[i]['name'];
         if (name.length > longest) {
          longest = name.length;
         }
        }
        for (i = 0, ii = times.length; i < ii; ++i) {
         var span = times[i];
         var duration = span.end - span.start;
         out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
        }
        return out;
       }
      };
      return StatTimer;
     }();
     var createBlob = function createBlob(data, contentType) {
      if (typeof Blob !== 'undefined') {
       return new Blob([data], { type: contentType });
      }
      warn('The "Blob" constructor is not supported.');
     };
     var createObjectURL = function createObjectURLClosure() {
      var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
      return function createObjectURL(data, contentType, forceDataSchema) {
       if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
        var blob = createBlob(data, contentType);
        return URL.createObjectURL(blob);
       }
       var buffer = 'data:' + contentType + ';base64,';
       for (var i = 0, ii = data.length; i < ii; i += 3) {
        var b1 = data[i] & 0xFF;
        var b2 = data[i + 1] & 0xFF;
        var b3 = data[i + 2] & 0xFF;
        var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
        var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
        var d4 = i + 2 < ii ? b3 & 0x3F : 64;
        buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
       }
       return buffer;
      };
     }();
     function MessageHandler(sourceName, targetName, comObj) {
      this.sourceName = sourceName;
      this.targetName = targetName;
      this.comObj = comObj;
      this.callbackIndex = 1;
      this.postMessageTransfers = true;
      var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
      var ah = this.actionHandler = Object.create(null);
      this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
       var data = event.data;
       if (data.targetName !== this.sourceName) {
        return;
       }
       if (data.isReply) {
        var callbackId = data.callbackId;
        if (data.callbackId in callbacksCapabilities) {
         var callback = callbacksCapabilities[callbackId];
         delete callbacksCapabilities[callbackId];
         if ('error' in data) {
          callback.reject(data.error);
         } else {
          callback.resolve(data.data);
         }
        } else {
         error('Cannot resolve callback ' + callbackId);
        }
       } else if (data.action in ah) {
        var action = ah[data.action];
        if (data.callbackId) {
         var sourceName = this.sourceName;
         var targetName = data.sourceName;
         Promise.resolve().then(function () {
          return action[0].call(action[1], data.data);
         }).then(function (result) {
          comObj.postMessage({
           sourceName: sourceName,
           targetName: targetName,
           isReply: true,
           callbackId: data.callbackId,
           data: result
          });
         }, function (reason) {
          if (reason instanceof Error) {
           reason = reason + '';
          }
          comObj.postMessage({
           sourceName: sourceName,
           targetName: targetName,
           isReply: true,
           callbackId: data.callbackId,
           error: reason
          });
         });
        } else {
         action[0].call(action[1], data.data);
        }
       } else {
        error('Unknown action from worker: ' + data.action);
       }
      }.bind(this);
      comObj.addEventListener('message', this._onComObjOnMessage);
     }
     MessageHandler.prototype = {
      on: function messageHandlerOn(actionName, handler, scope) {
       var ah = this.actionHandler;
       if (ah[actionName]) {
        error('There is already an actionName called "' + actionName + '"');
       }
       ah[actionName] = [
        handler,
        scope
       ];
      },
      send: function messageHandlerSend(actionName, data, transfers) {
       var message = {
        sourceName: this.sourceName,
        targetName: this.targetName,
        action: actionName,
        data: data
       };
       this.postMessage(message, transfers);
      },
      sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
       var callbackId = this.callbackIndex++;
       var message = {
        sourceName: this.sourceName,
        targetName: this.targetName,
        action: actionName,
        data: data,
        callbackId: callbackId
       };
       var capability = createPromiseCapability();
       this.callbacksCapabilities[callbackId] = capability;
       try {
        this.postMessage(message, transfers);
       } catch (e) {
        capability.reject(e);
       }
       return capability.promise;
      },
      postMessage: function (message, transfers) {
       if (transfers && this.postMessageTransfers) {
        this.comObj.postMessage(message, transfers);
       } else {
        this.comObj.postMessage(message);
       }
      },
      destroy: function () {
       this.comObj.removeEventListener('message', this._onComObjOnMessage);
      }
     };
     function loadJpegStream(id, imageUrl, objs) {
      var img = new Image();
      img.onload = function loadJpegStream_onloadClosure() {
       objs.resolve(id, img);
      };
      img.onerror = function loadJpegStream_onerrorClosure() {
       objs.resolve(id, null);
       warn('Error during JPEG image loading');
      };
      img.src = imageUrl;
     }
     /* Any copyright is dedicated to the Public Domain.
      * http://creativecommons.org/publicdomain/zero/1.0/ */
     (function checkURLConstructor(scope) {
      var hasWorkingUrl = false;
      try {
       if (typeof URL === 'function' && typeof URL.prototype === 'object' && 'origin' in URL.prototype) {
        var u = new URL('b', 'http://a');
        u.pathname = 'c%20d';
        hasWorkingUrl = u.href === 'http://a/c%20d';
       }
      } catch (e) {
      }
      if (hasWorkingUrl) {
       return;
      }
      var relative = Object.create(null);
      relative['ftp'] = 21;
      relative['file'] = 0;
      relative['gopher'] = 70;
      relative['http'] = 80;
      relative['https'] = 443;
      relative['ws'] = 80;
      relative['wss'] = 443;
      var relativePathDotMapping = Object.create(null);
      relativePathDotMapping['%2e'] = '.';
      relativePathDotMapping['.%2e'] = '..';
      relativePathDotMapping['%2e.'] = '..';
      relativePathDotMapping['%2e%2e'] = '..';
      function isRelativeScheme(scheme) {
       return relative[scheme] !== undefined;
      }
      function invalid() {
       clear.call(this);
       this._isInvalid = true;
      }
      function IDNAToASCII(h) {
       if ('' === h) {
        invalid.call(this);
       }
       return h.toLowerCase();
      }
      function percentEscape(c) {
       var unicode = c.charCodeAt(0);
       if (unicode > 0x20 && unicode < 0x7F && [
         0x22,
         0x23,
         0x3C,
         0x3E,
         0x3F,
         0x60
        ].indexOf(unicode) === -1) {
        return c;
       }
       return encodeURIComponent(c);
      }
      function percentEscapeQuery(c) {
       var unicode = c.charCodeAt(0);
       if (unicode > 0x20 && unicode < 0x7F && [
         0x22,
         0x23,
         0x3C,
         0x3E,
         0x60
        ].indexOf(unicode) === -1) {
        return c;
       }
       return encodeURIComponent(c);
      }
      var EOF, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
      function parse(input, stateOverride, base) {
       function err(message) {
        errors.push(message);
       }
       var state = stateOverride || 'scheme start', cursor = 0, buffer = '', seenAt = false, seenBracket = false, errors = [];
       loop:
        while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
         var c = input[cursor];
         switch (state) {
         case 'scheme start':
          if (c && ALPHA.test(c)) {
           buffer += c.toLowerCase();
           state = 'scheme';
          } else if (!stateOverride) {
           buffer = '';
           state = 'no scheme';
           continue;
          } else {
           err('Invalid scheme.');
           break loop;
          }
          break;
         case 'scheme':
          if (c && ALPHANUMERIC.test(c)) {
           buffer += c.toLowerCase();
          } else if (':' === c) {
           this._scheme = buffer;
           buffer = '';
           if (stateOverride) {
            break loop;
           }
           if (isRelativeScheme(this._scheme)) {
            this._isRelative = true;
           }
           if ('file' === this._scheme) {
            state = 'relative';
           } else if (this._isRelative && base && base._scheme === this._scheme) {
            state = 'relative or authority';
           } else if (this._isRelative) {
            state = 'authority first slash';
           } else {
            state = 'scheme data';
           }
          } else if (!stateOverride) {
           buffer = '';
           cursor = 0;
           state = 'no scheme';
           continue;
          } else if (EOF === c) {
           break loop;
          } else {
           err('Code point not allowed in scheme: ' + c);
           break loop;
          }
          break;
         case 'scheme data':
          if ('?' === c) {
           this._query = '?';
           state = 'query';
          } else if ('#' === c) {
           this._fragment = '#';
           state = 'fragment';
          } else {
           if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
            this._schemeData += percentEscape(c);
           }
          }
          break;
         case 'no scheme':
          if (!base || !isRelativeScheme(base._scheme)) {
           err('Missing scheme.');
           invalid.call(this);
          } else {
           state = 'relative';
           continue;
          }
          break;
         case 'relative or authority':
          if ('/' === c && '/' === input[cursor + 1]) {
           state = 'authority ignore slashes';
          } else {
           err('Expected /, got: ' + c);
           state = 'relative';
           continue;
          }
          break;
         case 'relative':
          this._isRelative = true;
          if ('file' !== this._scheme) {
           this._scheme = base._scheme;
          }
          if (EOF === c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = base._query;
           this._username = base._username;
           this._password = base._password;
           break loop;
          } else if ('/' === c || '\\' === c) {
           if ('\\' === c) {
            err('\\ is an invalid code point.');
           }
           state = 'relative slash';
          } else if ('?' === c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = '?';
           this._username = base._username;
           this._password = base._password;
           state = 'query';
          } else if ('#' === c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = base._query;
           this._fragment = '#';
           this._username = base._username;
           this._password = base._password;
           state = 'fragment';
          } else {
           var nextC = input[cursor + 1];
           var nextNextC = input[cursor + 2];
           if ('file' !== this._scheme || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && '?' !== nextNextC && '#' !== nextNextC) {
            this._host = base._host;
            this._port = base._port;
            this._username = base._username;
            this._password = base._password;
            this._path = base._path.slice();
            this._path.pop();
           }
           state = 'relative path';
           continue;
          }
          break;
         case 'relative slash':
          if ('/' === c || '\\' === c) {
           if ('\\' === c) {
            err('\\ is an invalid code point.');
           }
           if ('file' === this._scheme) {
            state = 'file host';
           } else {
            state = 'authority ignore slashes';
           }
          } else {
           if ('file' !== this._scheme) {
            this._host = base._host;
            this._port = base._port;
            this._username = base._username;
            this._password = base._password;
           }
           state = 'relative path';
           continue;
          }
          break;
         case 'authority first slash':
          if ('/' === c) {
           state = 'authority second slash';
          } else {
           err('Expected \'/\', got: ' + c);
           state = 'authority ignore slashes';
           continue;
          }
          break;
         case 'authority second slash':
          state = 'authority ignore slashes';
          if ('/' !== c) {
           err('Expected \'/\', got: ' + c);
           continue;
          }
          break;
         case 'authority ignore slashes':
          if ('/' !== c && '\\' !== c) {
           state = 'authority';
           continue;
          } else {
           err('Expected authority, got: ' + c);
          }
          break;
         case 'authority':
          if ('@' === c) {
           if (seenAt) {
            err('@ already seen.');
            buffer += '%40';
           }
           seenAt = true;
           for (var i = 0; i < buffer.length; i++) {
            var cp = buffer[i];
            if ('\t' === cp || '\n' === cp || '\r' === cp) {
             err('Invalid whitespace in authority.');
             continue;
            }
            if (':' === cp && null === this._password) {
             this._password = '';
             continue;
            }
            var tempC = percentEscape(cp);
            if (null !== this._password) {
             this._password += tempC;
            } else {
             this._username += tempC;
            }
           }
           buffer = '';
          } else if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) {
           cursor -= buffer.length;
           buffer = '';
           state = 'host';
           continue;
          } else {
           buffer += c;
          }
          break;
         case 'file host':
          if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) {
           if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
            state = 'relative path';
           } else if (buffer.length === 0) {
            state = 'relative path start';
           } else {
            this._host = IDNAToASCII.call(this, buffer);
            buffer = '';
            state = 'relative path start';
           }
           continue;
          } else if ('\t' === c || '\n' === c || '\r' === c) {
           err('Invalid whitespace in file host.');
          } else {
           buffer += c;
          }
          break;
         case 'host':
         case 'hostname':
          if (':' === c && !seenBracket) {
           this._host = IDNAToASCII.call(this, buffer);
           buffer = '';
           state = 'port';
           if ('hostname' === stateOverride) {
            break loop;
           }
          } else if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) {
           this._host = IDNAToASCII.call(this, buffer);
           buffer = '';
           state = 'relative path start';
           if (stateOverride) {
            break loop;
           }
           continue;
          } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
           if ('[' === c) {
            seenBracket = true;
           } else if (']' === c) {
            seenBracket = false;
           }
           buffer += c;
          } else {
           err('Invalid code point in host/hostname: ' + c);
          }
          break;
         case 'port':
          if (/[0-9]/.test(c)) {
           buffer += c;
          } else if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c || stateOverride) {
           if ('' !== buffer) {
            var temp = parseInt(buffer, 10);
            if (temp !== relative[this._scheme]) {
             this._port = temp + '';
            }
            buffer = '';
           }
           if (stateOverride) {
            break loop;
           }
           state = 'relative path start';
           continue;
          } else if ('\t' === c || '\n' === c || '\r' === c) {
           err('Invalid code point in port: ' + c);
          } else {
           invalid.call(this);
          }
          break;
         case 'relative path start':
          if ('\\' === c) {
           err('\'\\\' not allowed in path.');
          }
          state = 'relative path';
          if ('/' !== c && '\\' !== c) {
           continue;
          }
          break;
         case 'relative path':
          if (EOF === c || '/' === c || '\\' === c || !stateOverride && ('?' === c || '#' === c)) {
           if ('\\' === c) {
            err('\\ not allowed in relative path.');
           }
           var tmp;
           if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
            buffer = tmp;
           }
           if ('..' === buffer) {
            this._path.pop();
            if ('/' !== c && '\\' !== c) {
             this._path.push('');
            }
           } else if ('.' === buffer && '/' !== c && '\\' !== c) {
            this._path.push('');
           } else if ('.' !== buffer) {
            if ('file' === this._scheme && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
             buffer = buffer[0] + ':';
            }
            this._path.push(buffer);
           }
           buffer = '';
           if ('?' === c) {
            this._query = '?';
            state = 'query';
           } else if ('#' === c) {
            this._fragment = '#';
            state = 'fragment';
           }
          } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
           buffer += percentEscape(c);
          }
          break;
         case 'query':
          if (!stateOverride && '#' === c) {
           this._fragment = '#';
           state = 'fragment';
          } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
           this._query += percentEscapeQuery(c);
          }
          break;
         case 'fragment':
          if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
           this._fragment += c;
          }
          break;
         }
         cursor++;
        }
      }
      function clear() {
       this._scheme = '';
       this._schemeData = '';
       this._username = '';
       this._password = null;
       this._host = '';
       this._port = '';
       this._path = [];
       this._query = '';
       this._fragment = '';
       this._isInvalid = false;
       this._isRelative = false;
      }
      function JURL(url, base)
       {
        if (base !== undefined && !(base instanceof JURL)) {
         base = new JURL(String(base));
        }
        this._url = url;
        clear.call(this);
        var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
        parse.call(this, input, null, base);
       }
      JURL.prototype = {
       toString: function () {
        return this.href;
       },
       get href() {
        if (this._isInvalid) {
         return this._url;
        }
        var authority = '';
        if ('' !== this._username || null !== this._password) {
         authority = this._username + (null !== this._password ? ':' + this._password : '') + '@';
        }
        return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
       },
       set href(href) {
        clear.call(this);
        parse.call(this, href);
       },
       get protocol() {
        return this._scheme + ':';
       },
       set protocol(protocol) {
        if (this._isInvalid) {
         return;
        }
        parse.call(this, protocol + ':', 'scheme start');
       },
       get host() {
        return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
       },
       set host(host) {
        if (this._isInvalid || !this._isRelative) {
         return;
        }
        parse.call(this, host, 'host');
       },
       get hostname() {
        return this._host;
       },
       set hostname(hostname) {
        if (this._isInvalid || !this._isRelative) {
         return;
        }
        parse.call(this, hostname, 'hostname');
       },
       get port() {
        return this._port;
       },
       set port(port) {
        if (this._isInvalid || !this._isRelative) {
         return;
        }
        parse.call(this, port, 'port');
       },
       get pathname() {
        return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
       },
       set pathname(pathname) {
        if (this._isInvalid || !this._isRelative) {
         return;
        }
        this._path = [];
        parse.call(this, pathname, 'relative path start');
       },
       get search() {
        return this._isInvalid || !this._query || '?' === this._query ? '' : this._query;
       },
       set search(search) {
        if (this._isInvalid || !this._isRelative) {
         return;
        }
        this._query = '?';
        if ('?' === search[0]) {
         search = search.slice(1);
        }
        parse.call(this, search, 'query');
       },
       get hash() {
        return this._isInvalid || !this._fragment || '#' === this._fragment ? '' : this._fragment;
       },
       set hash(hash) {
        if (this._isInvalid) {
         return;
        }
        this._fragment = '#';
        if ('#' === hash[0]) {
         hash = hash.slice(1);
        }
        parse.call(this, hash, 'fragment');
       },
       get origin() {
        var host;
        if (this._isInvalid || !this._scheme) {
         return '';
        }
        switch (this._scheme) {
        case 'data':
        case 'file':
        case 'javascript':
        case 'mailto':
         return 'null';
        }
        host = this.host;
        if (!host) {
         return '';
        }
        return this._scheme + '://' + host;
       }
      };
      var OriginalURL = scope.URL;
      if (OriginalURL) {
       JURL.createObjectURL = function (blob) {
        return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
       };
       JURL.revokeObjectURL = function (url) {
        OriginalURL.revokeObjectURL(url);
       };
      }
      scope.URL = JURL;
     }(globalScope));
     exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
     exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
     exports.OPS = OPS;
     exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
     exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
     exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
     exports.AnnotationFieldFlag = AnnotationFieldFlag;
     exports.AnnotationFlag = AnnotationFlag;
     exports.AnnotationType = AnnotationType;
     exports.FontType = FontType;
     exports.ImageKind = ImageKind;
     exports.InvalidPDFException = InvalidPDFException;
     exports.MessageHandler = MessageHandler;
     exports.MissingDataException = MissingDataException;
     exports.MissingPDFException = MissingPDFException;
     exports.NotImplementedException = NotImplementedException;
     exports.PageViewport = PageViewport;
     exports.PasswordException = PasswordException;
     exports.PasswordResponses = PasswordResponses;
     exports.StatTimer = StatTimer;
     exports.StreamType = StreamType;
     exports.TextRenderingMode = TextRenderingMode;
     exports.UnexpectedResponseException = UnexpectedResponseException;
     exports.UnknownErrorException = UnknownErrorException;
     exports.Util = Util;
     exports.XRefParseException = XRefParseException;
     exports.arrayByteLength = arrayByteLength;
     exports.arraysToBytes = arraysToBytes;
     exports.assert = assert;
     exports.bytesToString = bytesToString;
     exports.createBlob = createBlob;
     exports.createPromiseCapability = createPromiseCapability;
     exports.createObjectURL = createObjectURL;
     exports.deprecated = deprecated;
     exports.error = error;
     exports.getLookupTableFactory = getLookupTableFactory;
     exports.getVerbosityLevel = getVerbosityLevel;
     exports.globalScope = globalScope;
     exports.info = info;
     exports.isArray = isArray;
     exports.isArrayBuffer = isArrayBuffer;
     exports.isBool = isBool;
     exports.isEmptyObj = isEmptyObj;
     exports.isInt = isInt;
     exports.isNum = isNum;
     exports.isString = isString;
     exports.isSpace = isSpace;
     exports.isSameOrigin = isSameOrigin;
     exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
     exports.isLittleEndian = isLittleEndian;
     exports.isEvalSupported = isEvalSupported;
     exports.loadJpegStream = loadJpegStream;
     exports.log2 = log2;
     exports.readInt8 = readInt8;
     exports.readUint16 = readUint16;
     exports.readUint32 = readUint32;
     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;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayDOMUtils = {}, root.pdfjsSharedUtil);
    }(this, function (exports, sharedUtil) {
     var removeNullCharacters = sharedUtil.removeNullCharacters;
     var warn = sharedUtil.warn;
     var deprecated = sharedUtil.deprecated;
     var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
     var CustomStyle = function CustomStyleClosure() {
      var prefixes = [
       'ms',
       'Moz',
       'Webkit',
       'O'
      ];
      var _cache = Object.create(null);
      function CustomStyle() {
      }
      CustomStyle.getProp = function get(propName, element) {
       if (arguments.length === 1 && typeof _cache[propName] === 'string') {
        return _cache[propName];
       }
       element = element || document.documentElement;
       var style = element.style, prefixed, uPropName;
       if (typeof style[propName] === 'string') {
        return _cache[propName] = propName;
       }
       uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
       for (var i = 0, l = prefixes.length; i < l; i++) {
        prefixed = prefixes[i] + uPropName;
        if (typeof style[prefixed] === 'string') {
         return _cache[propName] = prefixed;
        }
       }
       return _cache[propName] = 'undefined';
      };
      CustomStyle.setProp = function set(propName, element, str) {
       var prop = this.getProp(propName);
       if (prop !== 'undefined') {
        element.style[prop] = str;
       }
      };
      return CustomStyle;
     }();
     var hasCanvasTypedArrays;
     hasCanvasTypedArrays = function hasCanvasTypedArrays() {
      var canvas = document.createElement('canvas');
      canvas.width = canvas.height = 1;
      var ctx = canvas.getContext('2d');
      var imageData = ctx.createImageData(1, 1);
      return typeof imageData.data.buffer !== 'undefined';
     };
     var LinkTarget = {
      NONE: 0,
      SELF: 1,
      BLANK: 2,
      PARENT: 3,
      TOP: 4
     };
     var LinkTargetStringMap = [
      '',
      '_self',
      '_blank',
      '_parent',
      '_top'
     ];
     function addLinkAttributes(link, params) {
      var url = params && params.url;
      link.href = link.title = url ? removeNullCharacters(url) : '';
      if (url) {
       var target = params.target;
       if (typeof target === 'undefined') {
        target = getDefaultSetting('externalLinkTarget');
       }
       link.target = LinkTargetStringMap[target];
       var rel = params.rel;
       if (typeof rel === 'undefined') {
        rel = getDefaultSetting('externalLinkRel');
       }
       link.rel = rel;
      }
     }
     function getFilenameFromUrl(url) {
      var anchor = url.indexOf('#');
      var query = url.indexOf('?');
      var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
      return url.substring(url.lastIndexOf('/', end) + 1, end);
     }
     function getDefaultSetting(id) {
      var globalSettings = sharedUtil.globalScope.PDFJS;
      switch (id) {
      case 'pdfBug':
       return globalSettings ? globalSettings.pdfBug : false;
      case 'disableAutoFetch':
       return globalSettings ? globalSettings.disableAutoFetch : false;
      case 'disableStream':
       return globalSettings ? globalSettings.disableStream : false;
      case 'disableRange':
       return globalSettings ? globalSettings.disableRange : false;
      case 'disableFontFace':
       return globalSettings ? globalSettings.disableFontFace : false;
      case 'disableCreateObjectURL':
       return globalSettings ? globalSettings.disableCreateObjectURL : false;
      case 'disableWebGL':
       return globalSettings ? globalSettings.disableWebGL : true;
      case 'cMapUrl':
       return globalSettings ? globalSettings.cMapUrl : null;
      case 'cMapPacked':
       return globalSettings ? globalSettings.cMapPacked : false;
      case 'postMessageTransfers':
       return globalSettings ? globalSettings.postMessageTransfers : true;
      case 'workerSrc':
       return globalSettings ? globalSettings.workerSrc : null;
      case 'disableWorker':
       return globalSettings ? globalSettings.disableWorker : false;
      case 'maxImageSize':
       return globalSettings ? globalSettings.maxImageSize : -1;
      case 'imageResourcesPath':
       return globalSettings ? globalSettings.imageResourcesPath : '';
      case 'isEvalSupported':
       return globalSettings ? globalSettings.isEvalSupported : true;
      case 'externalLinkTarget':
       if (!globalSettings) {
        return LinkTarget.NONE;
       }
       switch (globalSettings.externalLinkTarget) {
       case LinkTarget.NONE:
       case LinkTarget.SELF:
       case LinkTarget.BLANK:
       case LinkTarget.PARENT:
       case LinkTarget.TOP:
        return globalSettings.externalLinkTarget;
       }
       warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
       globalSettings.externalLinkTarget = LinkTarget.NONE;
       return LinkTarget.NONE;
      case 'externalLinkRel':
       return globalSettings ? globalSettings.externalLinkRel : 'noreferrer';
      case 'enableStats':
       return !!(globalSettings && globalSettings.enableStats);
      default:
       throw new Error('Unknown default setting: ' + id);
      }
     }
     function isExternalLinkTargetSet() {
      var externalLinkTarget = getDefaultSetting('externalLinkTarget');
      switch (externalLinkTarget) {
      case LinkTarget.NONE:
       return false;
      case LinkTarget.SELF:
      case LinkTarget.BLANK:
      case LinkTarget.PARENT:
      case LinkTarget.TOP:
       return true;
      }
     }
     function isValidUrl(url, allowRelative) {
      deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');
      var baseUrl = allowRelative ? 'http://example.com' : null;
      return createValidAbsoluteUrl(url, baseUrl) !== null;
     }
     exports.CustomStyle = CustomStyle;
     exports.addLinkAttributes = addLinkAttributes;
     exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
     exports.isValidUrl = isValidUrl;
     exports.getFilenameFromUrl = getFilenameFromUrl;
     exports.LinkTarget = LinkTarget;
     exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
     exports.getDefaultSetting = getDefaultSetting;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayFontLoader = {}, root.pdfjsSharedUtil);
    }(this, function (exports, sharedUtil) {
     var assert = sharedUtil.assert;
     var bytesToString = sharedUtil.bytesToString;
     var string32 = sharedUtil.string32;
     var shadow = sharedUtil.shadow;
     var warn = sharedUtil.warn;
     function FontLoader(docId) {
      this.docId = docId;
      this.styleElement = null;
      this.nativeFontFaces = [];
      this.loadTestFontId = 0;
      this.loadingContext = {
       requests: [],
       nextRequestId: 0
      };
     }
     FontLoader.prototype = {
      insertRule: function fontLoaderInsertRule(rule) {
       var styleElement = this.styleElement;
       if (!styleElement) {
        styleElement = this.styleElement = document.createElement('style');
        styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
        document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
       }
       var styleSheet = styleElement.sheet;
       styleSheet.insertRule(rule, styleSheet.cssRules.length);
      },
      clear: function fontLoaderClear() {
       var styleElement = this.styleElement;
       if (styleElement) {
        styleElement.parentNode.removeChild(styleElement);
        styleElement = this.styleElement = null;
       }
       this.nativeFontFaces.forEach(function (nativeFontFace) {
        document.fonts.delete(nativeFontFace);
       });
       this.nativeFontFaces.length = 0;
      }
     };
     var getLoadTestFont = function () {
      return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA==');
     };
     Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
      get: function () {
       return shadow(this, 'loadTestFont', getLoadTestFont());
      },
      configurable: true
     });
     FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
      this.nativeFontFaces.push(nativeFontFace);
      document.fonts.add(nativeFontFace);
     };
     FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
      var rules = [];
      var fontsToLoad = [];
      var fontLoadPromises = [];
      var getNativeFontPromise = function (nativeFontFace) {
       return nativeFontFace.loaded.catch(function (e) {
        warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
       });
      };
      var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
      for (var i = 0, ii = fonts.length; i < ii; i++) {
       var font = fonts[i];
       if (font.attached || font.loading === false) {
        continue;
       }
       font.attached = true;
       if (isFontLoadingAPISupported) {
        var nativeFontFace = font.createNativeFontFace();
        if (nativeFontFace) {
         this.addNativeFontFace(nativeFontFace);
         fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
        }
       } else {
        var rule = font.createFontFaceRule();
        if (rule) {
         this.insertRule(rule);
         rules.push(rule);
         fontsToLoad.push(font);
        }
       }
      }
      var request = this.queueLoadingCallback(callback);
      if (isFontLoadingAPISupported) {
       Promise.all(fontLoadPromises).then(function () {
        request.complete();
       });
      } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
       this.prepareFontLoadEvent(rules, fontsToLoad, request);
      } else {
       request.complete();
      }
     };
     FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
      function LoadLoader_completeRequest() {
       assert(!request.end, 'completeRequest() cannot be called twice');
       request.end = Date.now();
       while (context.requests.length > 0 && context.requests[0].end) {
        var otherRequest = context.requests.shift();
        setTimeout(otherRequest.callback, 0);
       }
      }
      var context = this.loadingContext;
      var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
      var request = {
       id: requestId,
       complete: LoadLoader_completeRequest,
       callback: callback,
       started: Date.now()
      };
      context.requests.push(request);
      return request;
     };
     FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(rules, fonts, request) {
      function int32(data, offset) {
       return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
      }
      function spliceString(s, offset, remove, insert) {
       var chunk1 = s.substr(0, offset);
       var chunk2 = s.substr(offset + remove);
       return chunk1 + insert + chunk2;
      }
      var i, ii;
      var canvas = document.createElement('canvas');
      canvas.width = 1;
      canvas.height = 1;
      var ctx = canvas.getContext('2d');
      var called = 0;
      function isFontReady(name, callback) {
       called++;
       if (called > 30) {
        warn('Load test font never loaded.');
        callback();
        return;
       }
       ctx.font = '30px ' + name;
       ctx.fillText('.', 0, 20);
       var imageData = ctx.getImageData(0, 0, 1, 1);
       if (imageData.data[3] > 0) {
        callback();
        return;
       }
       setTimeout(isFontReady.bind(null, name, callback));
      }
      var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
      var data = this.loadTestFont;
      var COMMENT_OFFSET = 976;
      data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
      var CFF_CHECKSUM_OFFSET = 16;
      var XXXX_VALUE = 0x58585858;
      var checksum = int32(data, CFF_CHECKSUM_OFFSET);
      for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
       checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
      }
      if (i < loadTestFontId.length) {
       checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
      }
      data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
      var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
      var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
      this.insertRule(rule);
      var names = [];
      for (i = 0, ii = fonts.length; i < ii; i++) {
       names.push(fonts[i].loadedName);
      }
      names.push(loadTestFontId);
      var div = document.createElement('div');
      div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
      for (i = 0, ii = names.length; i < ii; ++i) {
       var span = document.createElement('span');
       span.textContent = 'Hi';
       span.style.fontFamily = names[i];
       div.appendChild(span);
      }
      document.body.appendChild(div);
      isFontReady(loadTestFontId, function () {
       document.body.removeChild(div);
       request.complete();
      });
     };
     FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
     var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
      if (typeof navigator === 'undefined') {
       return true;
      }
      var supported = false;
      var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
      if (m && m[1] >= 14) {
       supported = true;
      }
      return supported;
     };
     Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
      get: function () {
       return shadow(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
      },
      enumerable: true,
      configurable: true
     });
     var IsEvalSupportedCached = {
      get value() {
       return shadow(this, 'value', sharedUtil.isEvalSupported());
      }
     };
     var FontFaceObject = function FontFaceObjectClosure() {
      function FontFaceObject(translatedData, options) {
       this.compiledGlyphs = Object.create(null);
       for (var i in translatedData) {
        this[i] = translatedData[i];
       }
       this.options = options;
      }
      FontFaceObject.prototype = {
       createNativeFontFace: function FontFaceObject_createNativeFontFace() {
        if (!this.data) {
         return null;
        }
        if (this.options.disableFontFace) {
         this.disableFontFace = true;
         return null;
        }
        var nativeFontFace = new FontFace(this.loadedName, this.data, {});
        if (this.options.fontRegistry) {
         this.options.fontRegistry.registerFont(this);
        }
        return nativeFontFace;
       },
       createFontFaceRule: function FontFaceObject_createFontFaceRule() {
        if (!this.data) {
         return null;
        }
        if (this.options.disableFontFace) {
         this.disableFontFace = true;
         return null;
        }
        var data = bytesToString(new Uint8Array(this.data));
        var fontName = this.loadedName;
        var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
        var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
        if (this.options.fontRegistry) {
         this.options.fontRegistry.registerFont(this, url);
        }
        return rule;
       },
       getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
        if (!(character in this.compiledGlyphs)) {
         var cmds = objs.get(this.loadedName + '_path_' + character);
         var current, i, len;
         if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
          var args, js = '';
          for (i = 0, len = cmds.length; i < len; i++) {
           current = cmds[i];
           if (current.args !== undefined) {
            args = current.args.join(',');
           } else {
            args = '';
           }
           js += 'c.' + current.cmd + '(' + args + ');\n';
          }
          this.compiledGlyphs[character] = new Function('c', 'size', js);
         } else {
          this.compiledGlyphs[character] = function (c, size) {
           for (i = 0, len = cmds.length; i < len; i++) {
            current = cmds[i];
            if (current.cmd === 'scale') {
             current.args = [
              size,
              -size
             ];
            }
            c[current.cmd].apply(c, current.args);
           }
          };
         }
        }
        return this.compiledGlyphs[character];
       }
      };
      return FontFaceObject;
     }();
     exports.FontFaceObject = FontFaceObject;
     exports.FontLoader = FontLoader;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayMetadata = {}, root.pdfjsSharedUtil);
    }(this, function (exports, sharedUtil) {
     var error = sharedUtil.error;
     function fixMetadata(meta) {
      return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
       var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
        return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
       });
       var chars = '';
       for (var i = 0; i < bytes.length; i += 2) {
        var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
        chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
       }
       return '>' + chars;
      });
     }
     function Metadata(meta) {
      if (typeof meta === 'string') {
       meta = fixMetadata(meta);
       var parser = new DOMParser();
       meta = parser.parseFromString(meta, 'application/xml');
      } else if (!(meta instanceof Document)) {
       error('Metadata: Invalid metadata object');
      }
      this.metaDocument = meta;
      this.metadata = Object.create(null);
      this.parse();
     }
     Metadata.prototype = {
      parse: function Metadata_parse() {
       var doc = this.metaDocument;
       var rdf = doc.documentElement;
       if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
        rdf = rdf.firstChild;
        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
         rdf = rdf.nextSibling;
        }
       }
       var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
       if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
        return;
       }
       var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
       for (i = 0, length = children.length; i < length; i++) {
        desc = children[i];
        if (desc.nodeName.toLowerCase() !== 'rdf:description') {
         continue;
        }
        for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
         if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
          entry = desc.childNodes[ii];
          name = entry.nodeName.toLowerCase();
          this.metadata[name] = entry.textContent.trim();
         }
        }
       }
      },
      get: function Metadata_get(name) {
       return this.metadata[name] || null;
      },
      has: function Metadata_has(name) {
       return typeof this.metadata[name] !== 'undefined';
      }
     };
     exports.Metadata = Metadata;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplaySVG = {}, root.pdfjsSharedUtil);
    }(this, function (exports, sharedUtil) {
     var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
     var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
     var ImageKind = sharedUtil.ImageKind;
     var OPS = sharedUtil.OPS;
     var Util = sharedUtil.Util;
     var isNum = sharedUtil.isNum;
     var isArray = sharedUtil.isArray;
     var warn = sharedUtil.warn;
     var createObjectURL = sharedUtil.createObjectURL;
     var SVG_DEFAULTS = {
      fontStyle: 'normal',
      fontWeight: 'normal',
      fillColor: '#000000'
     };
     var convertImgDataToPng = function convertImgDataToPngClosure() {
      var PNG_HEADER = new Uint8Array([
       0x89,
       0x50,
       0x4e,
       0x47,
       0x0d,
       0x0a,
       0x1a,
       0x0a
      ]);
      var CHUNK_WRAPPER_SIZE = 12;
      var crcTable = new Int32Array(256);
      for (var i = 0; i < 256; i++) {
       var c = i;
       for (var h = 0; h < 8; h++) {
        if (c & 1) {
         c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
        } else {
         c = c >> 1 & 0x7fffffff;
        }
       }
       crcTable[i] = c;
      }
      function crc32(data, start, end) {
       var crc = -1;
       for (var i = start; i < end; i++) {
        var a = (crc ^ data[i]) & 0xff;
        var b = crcTable[a];
        crc = crc >>> 8 ^ b;
       }
       return crc ^ -1;
      }
      function writePngChunk(type, body, data, offset) {
       var p = offset;
       var len = body.length;
       data[p] = len >> 24 & 0xff;
       data[p + 1] = len >> 16 & 0xff;
       data[p + 2] = len >> 8 & 0xff;
       data[p + 3] = len & 0xff;
       p += 4;
       data[p] = type.charCodeAt(0) & 0xff;
       data[p + 1] = type.charCodeAt(1) & 0xff;
       data[p + 2] = type.charCodeAt(2) & 0xff;
       data[p + 3] = type.charCodeAt(3) & 0xff;
       p += 4;
       data.set(body, p);
       p += body.length;
       var crc = crc32(data, offset + 4, p);
       data[p] = crc >> 24 & 0xff;
       data[p + 1] = crc >> 16 & 0xff;
       data[p + 2] = crc >> 8 & 0xff;
       data[p + 3] = crc & 0xff;
      }
      function adler32(data, start, end) {
       var a = 1;
       var b = 0;
       for (var i = start; i < end; ++i) {
        a = (a + (data[i] & 0xff)) % 65521;
        b = (b + a) % 65521;
       }
       return b << 16 | a;
      }
      function encode(imgData, kind, forceDataSchema) {
       var width = imgData.width;
       var height = imgData.height;
       var bitDepth, colorType, lineSize;
       var bytes = imgData.data;
       switch (kind) {
       case ImageKind.GRAYSCALE_1BPP:
        colorType = 0;
        bitDepth = 1;
        lineSize = width + 7 >> 3;
        break;
       case ImageKind.RGB_24BPP:
        colorType = 2;
        bitDepth = 8;
        lineSize = width * 3;
        break;
       case ImageKind.RGBA_32BPP:
        colorType = 6;
        bitDepth = 8;
        lineSize = width * 4;
        break;
       default:
        throw new Error('invalid format');
       }
       var literals = new Uint8Array((1 + lineSize) * height);
       var offsetLiterals = 0, offsetBytes = 0;
       var y, i;
       for (y = 0; y < height; ++y) {
        literals[offsetLiterals++] = 0;
        literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
        offsetBytes += lineSize;
        offsetLiterals += lineSize;
       }
       if (kind === ImageKind.GRAYSCALE_1BPP) {
        offsetLiterals = 0;
        for (y = 0; y < height; y++) {
         offsetLiterals++;
         for (i = 0; i < lineSize; i++) {
          literals[offsetLiterals++] ^= 0xFF;
         }
        }
       }
       var ihdr = new Uint8Array([
        width >> 24 & 0xff,
        width >> 16 & 0xff,
        width >> 8 & 0xff,
        width & 0xff,
        height >> 24 & 0xff,
        height >> 16 & 0xff,
        height >> 8 & 0xff,
        height & 0xff,
        bitDepth,
        colorType,
        0x00,
        0x00,
        0x00
       ]);
       var len = literals.length;
       var maxBlockLength = 0xFFFF;
       var deflateBlocks = Math.ceil(len / maxBlockLength);
       var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
       var pi = 0;
       idat[pi++] = 0x78;
       idat[pi++] = 0x9c;
       var pos = 0;
       while (len > maxBlockLength) {
        idat[pi++] = 0x00;
        idat[pi++] = 0xff;
        idat[pi++] = 0xff;
        idat[pi++] = 0x00;
        idat[pi++] = 0x00;
        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
        pi += maxBlockLength;
        pos += maxBlockLength;
        len -= maxBlockLength;
       }
       idat[pi++] = 0x01;
       idat[pi++] = len & 0xff;
       idat[pi++] = len >> 8 & 0xff;
       idat[pi++] = ~len & 0xffff & 0xff;
       idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
       idat.set(literals.subarray(pos), pi);
       pi += literals.length - pos;
       var adler = adler32(literals, 0, literals.length);
       idat[pi++] = adler >> 24 & 0xff;
       idat[pi++] = adler >> 16 & 0xff;
       idat[pi++] = adler >> 8 & 0xff;
       idat[pi++] = adler & 0xff;
       var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
       var data = new Uint8Array(pngLength);
       var offset = 0;
       data.set(PNG_HEADER, offset);
       offset += PNG_HEADER.length;
       writePngChunk('IHDR', ihdr, data, offset);
       offset += CHUNK_WRAPPER_SIZE + ihdr.length;
       writePngChunk('IDATA', idat, data, offset);
       offset += CHUNK_WRAPPER_SIZE + idat.length;
       writePngChunk('IEND', new Uint8Array(0), data, offset);
       return createObjectURL(data, 'image/png', forceDataSchema);
      }
      return function convertImgDataToPng(imgData, forceDataSchema) {
       var kind = imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;
       return encode(imgData, kind, forceDataSchema);
      };
     }();
     var SVGExtraState = function SVGExtraStateClosure() {
      function SVGExtraState() {
       this.fontSizeScale = 1;
       this.fontWeight = SVG_DEFAULTS.fontWeight;
       this.fontSize = 0;
       this.textMatrix = IDENTITY_MATRIX;
       this.fontMatrix = 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.textRise = 0;
       this.fillColor = SVG_DEFAULTS.fillColor;
       this.strokeColor = '#000000';
       this.fillAlpha = 1;
       this.strokeAlpha = 1;
       this.lineWidth = 1;
       this.lineJoin = '';
       this.lineCap = '';
       this.miterLimit = 0;
       this.dashArray = [];
       this.dashPhase = 0;
       this.dependencies = [];
       this.activeClipUrl = null;
       this.clipGroup = null;
       this.maskId = '';
      }
      SVGExtraState.prototype = {
       clone: function SVGExtraState_clone() {
        return Object.create(this);
       },
       setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
        this.x = x;
        this.y = y;
       }
      };
      return SVGExtraState;
     }();
     var SVGGraphics = function SVGGraphicsClosure() {
      function opListToTree(opList) {
       var opTree = [];
       var tmp = [];
       var opListLen = opList.length;
       for (var x = 0; x < opListLen; x++) {
        if (opList[x].fn === 'save') {
         opTree.push({
          'fnId': 92,
          'fn': 'group',
          'items': []
         });
         tmp.push(opTree);
         opTree = opTree[opTree.length - 1].items;
         continue;
        }
        if (opList[x].fn === 'restore') {
         opTree = tmp.pop();
        } else {
         opTree.push(opList[x]);
        }
       }
       return opTree;
      }
      function pf(value) {
       if (value === (value | 0)) {
        return value.toString();
       }
       var s = value.toFixed(10);
       var i = s.length - 1;
       if (s[i] !== '0') {
        return s;
       }
       do {
        i--;
       } while (s[i] === '0');
       return s.substr(0, s[i] === '.' ? i : i + 1);
      }
      function pm(m) {
       if (m[4] === 0 && m[5] === 0) {
        if (m[1] === 0 && m[2] === 0) {
         if (m[0] === 1 && m[3] === 1) {
          return '';
         }
         return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')';
        }
        if (m[0] === m[3] && m[1] === -m[2]) {
         var a = Math.acos(m[0]) * 180 / Math.PI;
         return 'rotate(' + pf(a) + ')';
        }
       } else {
        if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
         return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
        }
       }
       return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
      }
      function SVGGraphics(commonObjs, objs, forceDataSchema) {
       this.current = new SVGExtraState();
       this.transformMatrix = IDENTITY_MATRIX;
       this.transformStack = [];
       this.extraStack = [];
       this.commonObjs = commonObjs;
       this.objs = objs;
       this.pendingEOFill = false;
       this.embedFonts = false;
       this.embeddedFonts = Object.create(null);
       this.cssStyle = null;
       this.forceDataSchema = !!forceDataSchema;
      }
      var NS = 'http://www.w3.org/2000/svg';
      var XML_NS = 'http://www.w3.org/XML/1998/namespace';
      var XLINK_NS = 'http://www.w3.org/1999/xlink';
      var LINE_CAP_STYLES = [
       'butt',
       'round',
       'square'
      ];
      var LINE_JOIN_STYLES = [
       'miter',
       'round',
       'bevel'
      ];
      var clipCount = 0;
      var maskCount = 0;
      SVGGraphics.prototype = {
       save: function SVGGraphics_save() {
        this.transformStack.push(this.transformMatrix);
        var old = this.current;
        this.extraStack.push(old);
        this.current = old.clone();
       },
       restore: function SVGGraphics_restore() {
        this.transformMatrix = this.transformStack.pop();
        this.current = this.extraStack.pop();
        this.tgrp = null;
       },
       group: function SVGGraphics_group(items) {
        this.save();
        this.executeOpTree(items);
        this.restore();
       },
       loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
        var fnArray = operatorList.fnArray;
        var fnArrayLen = fnArray.length;
        var argsArray = operatorList.argsArray;
        var self = this;
        for (var i = 0; i < fnArrayLen; i++) {
         if (OPS.dependency === fnArray[i]) {
          var deps = argsArray[i];
          for (var n = 0, nn = deps.length; n < nn; n++) {
           var obj = deps[n];
           var common = obj.substring(0, 2) === 'g_';
           var promise;
           if (common) {
            promise = new Promise(function (resolve) {
             self.commonObjs.get(obj, resolve);
            });
           } else {
            promise = new Promise(function (resolve) {
             self.objs.get(obj, resolve);
            });
           }
           this.current.dependencies.push(promise);
          }
         }
        }
        return Promise.all(this.current.dependencies);
       },
       transform: function SVGGraphics_transform(a, b, c, d, e, f) {
        var transformMatrix = [
         a,
         b,
         c,
         d,
         e,
         f
        ];
        this.transformMatrix = Util.transform(this.transformMatrix, transformMatrix);
        this.tgrp = null;
       },
       getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
        this.viewport = viewport;
        var svgElement = this._initialize(viewport);
        return this.loadDependencies(operatorList).then(function () {
         this.transformMatrix = IDENTITY_MATRIX;
         var opTree = this.convertOpList(operatorList);
         this.executeOpTree(opTree);
         return svgElement;
        }.bind(this));
       },
       convertOpList: function SVGGraphics_convertOpList(operatorList) {
        var argsArray = operatorList.argsArray;
        var fnArray = operatorList.fnArray;
        var fnArrayLen = fnArray.length;
        var REVOPS = [];
        var opList = [];
        for (var op in OPS) {
         REVOPS[OPS[op]] = op;
        }
        for (var x = 0; x < fnArrayLen; x++) {
         var fnId = fnArray[x];
         opList.push({
          'fnId': fnId,
          'fn': REVOPS[fnId],
          'args': argsArray[x]
         });
        }
        return opListToTree(opList);
       },
       executeOpTree: function SVGGraphics_executeOpTree(opTree) {
        var opTreeLen = opTree.length;
        for (var x = 0; x < opTreeLen; x++) {
         var fn = opTree[x].fn;
         var fnId = opTree[x].fnId;
         var args = opTree[x].args;
         switch (fnId | 0) {
         case OPS.beginText:
          this.beginText();
          break;
         case OPS.setLeading:
          this.setLeading(args);
          break;
         case OPS.setLeadingMoveText:
          this.setLeadingMoveText(args[0], args[1]);
          break;
         case OPS.setFont:
          this.setFont(args);
          break;
         case OPS.showText:
          this.showText(args[0]);
          break;
         case OPS.showSpacedText:
          this.showText(args[0]);
          break;
         case OPS.endText:
          this.endText();
          break;
         case OPS.moveText:
          this.moveText(args[0], args[1]);
          break;
         case OPS.setCharSpacing:
          this.setCharSpacing(args[0]);
          break;
         case OPS.setWordSpacing:
          this.setWordSpacing(args[0]);
          break;
         case OPS.setHScale:
          this.setHScale(args[0]);
          break;
         case OPS.setTextMatrix:
          this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
          break;
         case OPS.setLineWidth:
          this.setLineWidth(args[0]);
          break;
         case OPS.setLineJoin:
          this.setLineJoin(args[0]);
          break;
         case OPS.setLineCap:
          this.setLineCap(args[0]);
          break;
         case OPS.setMiterLimit:
          this.setMiterLimit(args[0]);
          break;
         case OPS.setFillRGBColor:
          this.setFillRGBColor(args[0], args[1], args[2]);
          break;
         case OPS.setStrokeRGBColor:
          this.setStrokeRGBColor(args[0], args[1], args[2]);
          break;
         case OPS.setDash:
          this.setDash(args[0], args[1]);
          break;
         case OPS.setGState:
          this.setGState(args[0]);
          break;
         case OPS.fill:
          this.fill();
          break;
         case OPS.eoFill:
          this.eoFill();
          break;
         case OPS.stroke:
          this.stroke();
          break;
         case OPS.fillStroke:
          this.fillStroke();
          break;
         case OPS.eoFillStroke:
          this.eoFillStroke();
          break;
         case OPS.clip:
          this.clip('nonzero');
          break;
         case OPS.eoClip:
          this.clip('evenodd');
          break;
         case OPS.paintSolidColorImageMask:
          this.paintSolidColorImageMask();
          break;
         case OPS.paintJpegXObject:
          this.paintJpegXObject(args[0], args[1], args[2]);
          break;
         case OPS.paintImageXObject:
          this.paintImageXObject(args[0]);
          break;
         case OPS.paintInlineImageXObject:
          this.paintInlineImageXObject(args[0]);
          break;
         case OPS.paintImageMaskXObject:
          this.paintImageMaskXObject(args[0]);
          break;
         case OPS.paintFormXObjectBegin:
          this.paintFormXObjectBegin(args[0], args[1]);
          break;
         case OPS.paintFormXObjectEnd:
          this.paintFormXObjectEnd();
          break;
         case OPS.closePath:
          this.closePath();
          break;
         case OPS.closeStroke:
          this.closeStroke();
          break;
         case OPS.closeFillStroke:
          this.closeFillStroke();
          break;
         case OPS.nextLine:
          this.nextLine();
          break;
         case OPS.transform:
          this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
          break;
         case OPS.constructPath:
          this.constructPath(args[0], args[1]);
          break;
         case OPS.endPath:
          this.endPath();
          break;
         case 92:
          this.group(opTree[x].items);
          break;
         default:
          warn('Unimplemented operator ' + fn);
          break;
         }
        }
       },
       setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
        this.current.wordSpacing = wordSpacing;
       },
       setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
        this.current.charSpacing = charSpacing;
       },
       nextLine: function SVGGraphics_nextLine() {
        this.moveText(0, this.current.leading);
       },
       setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
        var current = this.current;
        this.current.textMatrix = this.current.lineMatrix = [
         a,
         b,
         c,
         d,
         e,
         f
        ];
        this.current.x = this.current.lineX = 0;
        this.current.y = this.current.lineY = 0;
        current.xcoords = [];
        current.tspan = document.createElementNS(NS, '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 = document.createElementNS(NS, 'svg:text');
        current.txtElement.appendChild(current.tspan);
       },
       beginText: function SVGGraphics_beginText() {
        this.current.x = this.current.lineX = 0;
        this.current.y = this.current.lineY = 0;
        this.current.textMatrix = IDENTITY_MATRIX;
        this.current.lineMatrix = IDENTITY_MATRIX;
        this.current.tspan = document.createElementNS(NS, 'svg:tspan');
        this.current.txtElement = document.createElementNS(NS, 'svg:text');
        this.current.txtgrp = document.createElementNS(NS, 'svg:g');
        this.current.xcoords = [];
       },
       moveText: function SVGGraphics_moveText(x, y) {
        var current = this.current;
        this.current.x = this.current.lineX += x;
        this.current.y = this.current.lineY += y;
        current.xcoords = [];
        current.tspan = document.createElementNS(NS, 'svg:tspan');
        current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
        current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
       },
       showText: function SVGGraphics_showText(glyphs) {
        var current = this.current;
        var font = current.font;
        var fontSize = current.fontSize;
        if (fontSize === 0) {
         return;
        }
        var charSpacing = current.charSpacing;
        var wordSpacing = current.wordSpacing;
        var fontDirection = current.fontDirection;
        var textHScale = current.textHScale * fontDirection;
        var glyphsLength = glyphs.length;
        var vertical = font.vertical;
        var widthAdvanceScale = fontSize * current.fontMatrix[0];
        var x = 0, i;
        for (i = 0; i < glyphsLength; ++i) {
         var glyph = glyphs[i];
         if (glyph === null) {
          x += fontDirection * wordSpacing;
          continue;
         } else if (isNum(glyph)) {
          x += -glyph * fontSize * 0.001;
          continue;
         }
         current.xcoords.push(current.x + x * textHScale);
         var width = glyph.width;
         var character = glyph.fontChar;
         var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
         x += charWidth;
         current.tspan.textContent += character;
        }
        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);
        }
        if (current.fillColor !== SVG_DEFAULTS.fillColor) {
         current.tspan.setAttributeNS(null, 'fill', current.fillColor);
        }
        current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)');
        current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
        current.txtElement.appendChild(current.tspan);
        current.txtgrp.appendChild(current.txtElement);
        this._ensureTransformGroup().appendChild(current.txtElement);
       },
       setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
        this.setLeading(-y);
        this.moveText(x, y);
       },
       addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
        if (!this.cssStyle) {
         this.cssStyle = document.createElementNS(NS, 'svg:style');
         this.cssStyle.setAttributeNS(null, 'type', 'text/css');
         this.defs.appendChild(this.cssStyle);
        }
        var url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
        this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
       },
       setFont: function SVGGraphics_setFont(details) {
        var current = this.current;
        var fontObj = this.commonObjs.get(details[0]);
        var size = details[1];
        this.current.font = fontObj;
        if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
         this.addFontStyle(fontObj);
         this.embeddedFonts[fontObj.loadedName] = fontObj;
        }
        current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
        var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
        var italic = fontObj.italic ? 'italic' : 'normal';
        if (size < 0) {
         size = -size;
         current.fontDirection = -1;
        } else {
         current.fontDirection = 1;
        }
        current.fontSize = size;
        current.fontFamily = fontObj.loadedName;
        current.fontWeight = bold;
        current.fontStyle = italic;
        current.tspan = document.createElementNS(NS, 'svg:tspan');
        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
        current.xcoords = [];
       },
       endText: function SVGGraphics_endText() {
       },
       setLineWidth: function SVGGraphics_setLineWidth(width) {
        this.current.lineWidth = width;
       },
       setLineCap: function SVGGraphics_setLineCap(style) {
        this.current.lineCap = LINE_CAP_STYLES[style];
       },
       setLineJoin: function SVGGraphics_setLineJoin(style) {
        this.current.lineJoin = LINE_JOIN_STYLES[style];
       },
       setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
        this.current.miterLimit = limit;
       },
       setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
        var color = Util.makeCssRgb(r, g, b);
        this.current.strokeColor = color;
       },
       setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
        var color = Util.makeCssRgb(r, g, b);
        this.current.fillColor = color;
        this.current.tspan = document.createElementNS(NS, 'svg:tspan');
        this.current.xcoords = [];
       },
       setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
        this.current.dashArray = dashArray;
        this.current.dashPhase = dashPhase;
       },
       constructPath: function SVGGraphics_constructPath(ops, args) {
        var current = this.current;
        var x = current.x, y = current.y;
        current.path = document.createElementNS(NS, 'svg:path');
        var d = [];
        var opLength = ops.length;
        for (var i = 0, j = 0; i < opLength; i++) {
         switch (ops[i] | 0) {
         case OPS.rectangle:
          x = args[j++];
          y = args[j++];
          var width = args[j++];
          var height = args[j++];
          var xw = x + width;
          var yh = y + height;
          d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
          break;
         case OPS.moveTo:
          x = args[j++];
          y = args[j++];
          d.push('M', pf(x), pf(y));
          break;
         case OPS.lineTo:
          x = args[j++];
          y = args[j++];
          d.push('L', pf(x), pf(y));
          break;
         case 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 OPS.curveTo2:
          x = args[j + 2];
          y = args[j + 3];
          d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
          j += 4;
          break;
         case 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 OPS.closePath:
          d.push('Z');
          break;
         }
        }
        current.path.setAttributeNS(null, 'd', d.join(' '));
        current.path.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
        current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
        current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
        current.path.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
        current.path.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
        current.path.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
        current.path.setAttributeNS(null, 'fill', 'none');
        this._ensureTransformGroup().appendChild(current.path);
        current.element = current.path;
        current.setCurrentPoint(x, y);
       },
       endPath: function SVGGraphics_endPath() {
       },
       clip: function SVGGraphics_clip(type) {
        var current = this.current;
        var clipId = 'clippath' + clipCount;
        clipCount++;
        var clipPath = document.createElementNS(NS, 'svg:clipPath');
        clipPath.setAttributeNS(null, 'id', clipId);
        clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
        var clipElement = current.element.cloneNode();
        if (type === 'evenodd') {
         clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
        } else {
         clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
        }
        clipPath.appendChild(clipElement);
        this.defs.appendChild(clipPath);
        if (current.activeClipUrl) {
         current.clipGroup = null;
         this.extraStack.forEach(function (prev) {
          prev.clipGroup = null;
         });
        }
        current.activeClipUrl = 'url(#' + clipId + ')';
        this.tgrp = null;
       },
       closePath: function SVGGraphics_closePath() {
        var current = this.current;
        var d = current.path.getAttributeNS(null, 'd');
        d += 'Z';
        current.path.setAttributeNS(null, 'd', d);
       },
       setLeading: function SVGGraphics_setLeading(leading) {
        this.current.leading = -leading;
       },
       setTextRise: function SVGGraphics_setTextRise(textRise) {
        this.current.textRise = textRise;
       },
       setHScale: function SVGGraphics_setHScale(scale) {
        this.current.textHScale = scale / 100;
       },
       setGState: function SVGGraphics_setGState(states) {
        for (var i = 0, ii = states.length; i < ii; i++) {
         var state = states[i];
         var key = state[0];
         var value = state[1];
         switch (key) {
         case 'LW':
          this.setLineWidth(value);
          break;
         case 'LC':
          this.setLineCap(value);
          break;
         case 'LJ':
          this.setLineJoin(value);
          break;
         case 'ML':
          this.setMiterLimit(value);
          break;
         case 'D':
          this.setDash(value[0], value[1]);
          break;
         case 'Font':
          this.setFont(value);
          break;
         default:
          warn('Unimplemented graphic state ' + key);
          break;
         }
        }
       },
       fill: function SVGGraphics_fill() {
        var current = this.current;
        current.element.setAttributeNS(null, 'fill', current.fillColor);
       },
       stroke: function SVGGraphics_stroke() {
        var current = this.current;
        current.element.setAttributeNS(null, 'stroke', current.strokeColor);
        current.element.setAttributeNS(null, 'fill', 'none');
       },
       eoFill: function SVGGraphics_eoFill() {
        var current = this.current;
        current.element.setAttributeNS(null, 'fill', current.fillColor);
        current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
       },
       fillStroke: function SVGGraphics_fillStroke() {
        this.stroke();
        this.fill();
       },
       eoFillStroke: function SVGGraphics_eoFillStroke() {
        this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
        this.fillStroke();
       },
       closeStroke: function SVGGraphics_closeStroke() {
        this.closePath();
        this.stroke();
       },
       closeFillStroke: function SVGGraphics_closeFillStroke() {
        this.closePath();
        this.fillStroke();
       },
       paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
        var current = this.current;
        var rect = document.createElementNS(NS, 'svg:rect');
        rect.setAttributeNS(null, 'x', '0');
        rect.setAttributeNS(null, 'y', '0');
        rect.setAttributeNS(null, 'width', '1px');
        rect.setAttributeNS(null, 'height', '1px');
        rect.setAttributeNS(null, 'fill', current.fillColor);
        this._ensureTransformGroup().appendChild(rect);
       },
       paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
        var imgObj = this.objs.get(objId);
        var imgEl = document.createElementNS(NS, 'svg:image');
        imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
        imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
        imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
        imgEl.setAttributeNS(null, 'x', '0');
        imgEl.setAttributeNS(null, 'y', pf(-h));
        imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
        this._ensureTransformGroup().appendChild(imgEl);
       },
       paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
        var imgData = this.objs.get(objId);
        if (!imgData) {
         warn('Dependent image isn\'t ready yet');
         return;
        }
        this.paintInlineImageXObject(imgData);
       },
       paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
        var width = imgData.width;
        var height = imgData.height;
        var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
        var cliprect = document.createElementNS(NS, 'svg:rect');
        cliprect.setAttributeNS(null, 'x', '0');
        cliprect.setAttributeNS(null, 'y', '0');
        cliprect.setAttributeNS(null, 'width', pf(width));
        cliprect.setAttributeNS(null, 'height', pf(height));
        this.current.element = cliprect;
        this.clip('nonzero');
        var imgEl = document.createElementNS(NS, 'svg:image');
        imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
        imgEl.setAttributeNS(null, 'x', '0');
        imgEl.setAttributeNS(null, 'y', pf(-height));
        imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
        imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
        imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
        if (mask) {
         mask.appendChild(imgEl);
        } else {
         this._ensureTransformGroup().appendChild(imgEl);
        }
       },
       paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
        var current = this.current;
        var width = imgData.width;
        var height = imgData.height;
        var fillColor = current.fillColor;
        current.maskId = 'mask' + maskCount++;
        var mask = document.createElementNS(NS, 'svg:mask');
        mask.setAttributeNS(null, 'id', current.maskId);
        var rect = document.createElementNS(NS, 'svg:rect');
        rect.setAttributeNS(null, 'x', '0');
        rect.setAttributeNS(null, 'y', '0');
        rect.setAttributeNS(null, 'width', pf(width));
        rect.setAttributeNS(null, 'height', pf(height));
        rect.setAttributeNS(null, 'fill', fillColor);
        rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
        this.defs.appendChild(mask);
        this._ensureTransformGroup().appendChild(rect);
        this.paintInlineImageXObject(imgData, mask);
       },
       paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
        if (isArray(matrix) && matrix.length === 6) {
         this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
        }
        if (isArray(bbox) && bbox.length === 4) {
         var width = bbox[2] - bbox[0];
         var height = bbox[3] - bbox[1];
         var cliprect = document.createElementNS(NS, 'svg:rect');
         cliprect.setAttributeNS(null, 'x', bbox[0]);
         cliprect.setAttributeNS(null, 'y', bbox[1]);
         cliprect.setAttributeNS(null, 'width', pf(width));
         cliprect.setAttributeNS(null, 'height', pf(height));
         this.current.element = cliprect;
         this.clip('nonzero');
         this.endPath();
        }
       },
       paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {
       },
       _initialize: function SVGGraphics_initialize(viewport) {
        var svg = document.createElementNS(NS, 'svg:svg');
        svg.setAttributeNS(null, 'version', '1.1');
        svg.setAttributeNS(null, 'width', viewport.width + 'px');
        svg.setAttributeNS(null, 'height', viewport.height + 'px');
        svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
        svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
        var definitions = document.createElementNS(NS, 'svg:defs');
        svg.appendChild(definitions);
        this.defs = definitions;
        var rootGroup = document.createElementNS(NS, 'svg:g');
        rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
        svg.appendChild(rootGroup);
        this.svg = rootGroup;
        return svg;
       },
       _ensureClipGroup: function SVGGraphics_ensureClipGroup() {
        if (!this.current.clipGroup) {
         var clipGroup = document.createElementNS(NS, 'svg:g');
         clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
         this.svg.appendChild(clipGroup);
         this.current.clipGroup = clipGroup;
        }
        return this.current.clipGroup;
       },
       _ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
        if (!this.tgrp) {
         this.tgrp = document.createElementNS(NS, 'svg:g');
         this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
         if (this.current.activeClipUrl) {
          this._ensureClipGroup().appendChild(this.tgrp);
         } else {
          this.svg.appendChild(this.tgrp);
         }
        }
        return this.tgrp;
       }
      };
      return SVGGraphics;
     }();
     exports.SVGGraphics = SVGGraphics;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayAnnotationLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
    }(this, function (exports, sharedUtil, displayDOMUtils) {
     var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
     var AnnotationType = sharedUtil.AnnotationType;
     var Util = sharedUtil.Util;
     var addLinkAttributes = displayDOMUtils.addLinkAttributes;
     var LinkTarget = displayDOMUtils.LinkTarget;
     var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
     var warn = sharedUtil.warn;
     var CustomStyle = displayDOMUtils.CustomStyle;
     var getDefaultSetting = displayDOMUtils.getDefaultSetting;
     function AnnotationElementFactory() {
     }
     AnnotationElementFactory.prototype = {
      create: function AnnotationElementFactory_create(parameters) {
       var subtype = parameters.data.annotationType;
       switch (subtype) {
       case AnnotationType.LINK:
        return new LinkAnnotationElement(parameters);
       case AnnotationType.TEXT:
        return new TextAnnotationElement(parameters);
       case AnnotationType.WIDGET:
        var fieldType = parameters.data.fieldType;
        switch (fieldType) {
        case 'Tx':
         return new TextWidgetAnnotationElement(parameters);
        case 'Btn':
         if (parameters.data.radioButton) {
          return new RadioButtonWidgetAnnotationElement(parameters);
         } else if (parameters.data.checkBox) {
          return new CheckboxWidgetAnnotationElement(parameters);
         } else {
          warn('Unimplemented button widget annotation: pushbutton');
         }
         break;
        case 'Ch':
         return new ChoiceWidgetAnnotationElement(parameters);
        }
        return new WidgetAnnotationElement(parameters);
       case AnnotationType.POPUP:
        return new PopupAnnotationElement(parameters);
       case AnnotationType.HIGHLIGHT:
        return new HighlightAnnotationElement(parameters);
       case AnnotationType.UNDERLINE:
        return new UnderlineAnnotationElement(parameters);
       case AnnotationType.SQUIGGLY:
        return new SquigglyAnnotationElement(parameters);
       case AnnotationType.STRIKEOUT:
        return new StrikeOutAnnotationElement(parameters);
       case AnnotationType.FILEATTACHMENT:
        return new FileAttachmentAnnotationElement(parameters);
       default:
        return new AnnotationElement(parameters);
       }
      }
     };
     var AnnotationElement = function AnnotationElementClosure() {
      function AnnotationElement(parameters, isRenderable) {
       this.isRenderable = isRenderable || false;
       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;
       if (isRenderable) {
        this.container = this._createContainer();
       }
      }
      AnnotationElement.prototype = {
       _createContainer: function AnnotationElement_createContainer() {
        var data = this.data, page = this.page, viewport = this.viewport;
        var container = document.createElement('section');
        var width = data.rect[2] - data.rect[0];
        var height = data.rect[3] - data.rect[1];
        container.setAttribute('data-annotation-id', data.id);
        var rect = Util.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]
        ]);
        CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
        CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
        if (data.borderStyle.width > 0) {
         container.style.borderWidth = data.borderStyle.width + 'px';
         if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
          width = width - 2 * data.borderStyle.width;
          height = height - 2 * data.borderStyle.width;
         }
         var horizontalRadius = data.borderStyle.horizontalCornerRadius;
         var verticalRadius = data.borderStyle.verticalCornerRadius;
         if (horizontalRadius > 0 || verticalRadius > 0) {
          var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
          CustomStyle.setProp('borderRadius', container, radius);
         }
         switch (data.borderStyle.style) {
         case AnnotationBorderStyleType.SOLID:
          container.style.borderStyle = 'solid';
          break;
         case AnnotationBorderStyleType.DASHED:
          container.style.borderStyle = 'dashed';
          break;
         case AnnotationBorderStyleType.BEVELED:
          warn('Unimplemented border style: beveled');
          break;
         case AnnotationBorderStyleType.INSET:
          warn('Unimplemented border style: inset');
          break;
         case AnnotationBorderStyleType.UNDERLINE:
          container.style.borderBottomStyle = 'solid';
          break;
         default:
          break;
         }
         if (data.color) {
          container.style.borderColor = 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: function AnnotationElement_createPopup(container, trigger, data) {
        if (!trigger) {
         trigger = document.createElement('div');
         trigger.style.height = container.style.height;
         trigger.style.width = container.style.width;
         container.appendChild(trigger);
        }
        var popupElement = new PopupElement({
         container: container,
         trigger: trigger,
         color: data.color,
         title: data.title,
         contents: data.contents,
         hideWrapper: true
        });
        var popup = popupElement.render();
        popup.style.left = container.style.width;
        container.appendChild(popup);
       },
       render: function AnnotationElement_render() {
        throw new Error('Abstract method AnnotationElement.render called');
       }
      };
      return AnnotationElement;
     }();
     var LinkAnnotationElement = function LinkAnnotationElementClosure() {
      function LinkAnnotationElement(parameters) {
       AnnotationElement.call(this, parameters, true);
      }
      Util.inherit(LinkAnnotationElement, AnnotationElement, {
       render: function LinkAnnotationElement_render() {
        this.container.className = 'linkAnnotation';
        var link = document.createElement('a');
        addLinkAttributes(link, {
         url: this.data.url,
         target: this.data.newWindow ? LinkTarget.BLANK : undefined
        });
        if (!this.data.url) {
         if (this.data.action) {
          this._bindNamedAction(link, this.data.action);
         } else {
          this._bindLink(link, this.data.dest);
         }
        }
        this.container.appendChild(link);
        return this.container;
       },
       _bindLink: function LinkAnnotationElement_bindLink(link, destination) {
        var self = this;
        link.href = this.linkService.getDestinationHash(destination);
        link.onclick = function () {
         if (destination) {
          self.linkService.navigateTo(destination);
         }
         return false;
        };
        if (destination) {
         link.className = 'internalLink';
        }
       },
       _bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
        var self = this;
        link.href = this.linkService.getAnchorUrl('');
        link.onclick = function () {
         self.linkService.executeNamedAction(action);
         return false;
        };
        link.className = 'internalLink';
       }
      });
      return LinkAnnotationElement;
     }();
     var TextAnnotationElement = function TextAnnotationElementClosure() {
      function TextAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(TextAnnotationElement, AnnotationElement, {
       render: function TextAnnotationElement_render() {
        this.container.className = 'textAnnotation';
        var image = document.createElement('img');
        image.style.height = this.container.style.height;
        image.style.width = this.container.style.width;
        image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
        image.alt = '[{{type}} Annotation]';
        image.dataset.l10nId = 'text_annotation_type';
        image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
        if (!this.data.hasPopup) {
         this._createPopup(this.container, image, this.data);
        }
        this.container.appendChild(image);
        return this.container;
       }
      });
      return TextAnnotationElement;
     }();
     var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
      function WidgetAnnotationElement(parameters, isRenderable) {
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(WidgetAnnotationElement, AnnotationElement, {
       render: function WidgetAnnotationElement_render() {
        return this.container;
       }
      });
      return WidgetAnnotationElement;
     }();
     var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
      var TEXT_ALIGNMENT = [
       'left',
       'center',
       'right'
      ];
      function TextWidgetAnnotationElement(parameters) {
       var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
       WidgetAnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
       render: function TextWidgetAnnotationElement_render() {
        this.container.className = 'textWidgetAnnotation';
        var element = null;
        if (this.renderInteractiveForms) {
         if (this.data.multiLine) {
          element = document.createElement('textarea');
          element.textContent = this.data.fieldValue;
         } else {
          element = document.createElement('input');
          element.type = 'text';
          element.setAttribute('value', this.data.fieldValue);
         }
         element.disabled = this.data.readOnly;
         if (this.data.maxLen !== null) {
          element.maxLength = this.data.maxLen;
         }
         if (this.data.comb) {
          var fieldWidth = this.data.rect[2] - this.data.rect[0];
          var combWidth = fieldWidth / this.data.maxLen;
          element.classList.add('comb');
          element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
         }
        } else {
         element = document.createElement('div');
         element.textContent = this.data.fieldValue;
         element.style.verticalAlign = 'middle';
         element.style.display = 'table-cell';
         var font = null;
         if (this.data.fontRefName) {
          font = this.page.commonObjs.getData(this.data.fontRefName);
         }
         this._setTextStyle(element, font);
        }
        if (this.data.textAlignment !== null) {
         element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
        }
        this.container.appendChild(element);
        return this.container;
       },
       _setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
        var style = element.style;
        style.fontSize = this.data.fontSize + 'px';
        style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
        if (!font) {
         return;
        }
        style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
        style.fontStyle = font.italic ? 'italic' : 'normal';
        var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
        var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
        style.fontFamily = fontFamily + fallbackName;
       }
      });
      return TextWidgetAnnotationElement;
     }();
     var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
      function CheckboxWidgetAnnotationElement(parameters) {
       WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
      }
      Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
       render: function CheckboxWidgetAnnotationElement_render() {
        this.container.className = 'buttonWidgetAnnotation checkBox';
        var element = document.createElement('input');
        element.disabled = this.data.readOnly;
        element.type = 'checkbox';
        if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
         element.setAttribute('checked', true);
        }
        this.container.appendChild(element);
        return this.container;
       }
      });
      return CheckboxWidgetAnnotationElement;
     }();
     var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
      function RadioButtonWidgetAnnotationElement(parameters) {
       WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
      }
      Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
       render: function RadioButtonWidgetAnnotationElement_render() {
        this.container.className = 'buttonWidgetAnnotation radioButton';
        var element = document.createElement('input');
        element.disabled = this.data.readOnly;
        element.type = 'radio';
        element.name = this.data.fieldName;
        if (this.data.fieldValue === this.data.buttonValue) {
         element.setAttribute('checked', true);
        }
        this.container.appendChild(element);
        return this.container;
       }
      });
      return RadioButtonWidgetAnnotationElement;
     }();
     var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
      function ChoiceWidgetAnnotationElement(parameters) {
       WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
      }
      Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
       render: function ChoiceWidgetAnnotationElement_render() {
        this.container.className = 'choiceWidgetAnnotation';
        var selectElement = document.createElement('select');
        selectElement.disabled = this.data.readOnly;
        if (!this.data.combo) {
         selectElement.size = this.data.options.length;
         if (this.data.multiSelect) {
          selectElement.multiple = true;
         }
        }
        for (var i = 0, ii = this.data.options.length; i < ii; i++) {
         var option = this.data.options[i];
         var optionElement = document.createElement('option');
         optionElement.textContent = option.displayValue;
         optionElement.value = option.exportValue;
         if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
          optionElement.setAttribute('selected', true);
         }
         selectElement.appendChild(optionElement);
        }
        this.container.appendChild(selectElement);
        return this.container;
       }
      });
      return ChoiceWidgetAnnotationElement;
     }();
     var PopupAnnotationElement = function PopupAnnotationElementClosure() {
      function PopupAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(PopupAnnotationElement, AnnotationElement, {
       render: function PopupAnnotationElement_render() {
        this.container.className = 'popupAnnotation';
        var selector = '[data-annotation-id="' + this.data.parentId + '"]';
        var parentElement = this.layer.querySelector(selector);
        if (!parentElement) {
         return this.container;
        }
        var popup = new PopupElement({
         container: this.container,
         trigger: parentElement,
         color: this.data.color,
         title: this.data.title,
         contents: this.data.contents
        });
        var parentLeft = parseFloat(parentElement.style.left);
        var parentWidth = parseFloat(parentElement.style.width);
        CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
        this.container.style.left = parentLeft + parentWidth + 'px';
        this.container.appendChild(popup.render());
        return this.container;
       }
      });
      return PopupAnnotationElement;
     }();
     var PopupElement = function PopupElementClosure() {
      var BACKGROUND_ENLIGHT = 0.7;
      function PopupElement(parameters) {
       this.container = parameters.container;
       this.trigger = parameters.trigger;
       this.color = parameters.color;
       this.title = parameters.title;
       this.contents = parameters.contents;
       this.hideWrapper = parameters.hideWrapper || false;
       this.pinned = false;
      }
      PopupElement.prototype = {
       render: function PopupElement_render() {
        var wrapper = document.createElement('div');
        wrapper.className = 'popupWrapper';
        this.hideElement = this.hideWrapper ? wrapper : this.container;
        this.hideElement.setAttribute('hidden', true);
        var popup = document.createElement('div');
        popup.className = 'popup';
        var color = this.color;
        if (color) {
         var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
         var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
         var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
         popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
        }
        var contents = this._formatContents(this.contents);
        var title = document.createElement('h1');
        title.textContent = this.title;
        this.trigger.addEventListener('click', this._toggle.bind(this));
        this.trigger.addEventListener('mouseover', this._show.bind(this, false));
        this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
        popup.addEventListener('click', this._hide.bind(this, true));
        popup.appendChild(title);
        popup.appendChild(contents);
        wrapper.appendChild(popup);
        return wrapper;
       },
       _formatContents: function PopupElement_formatContents(contents) {
        var p = document.createElement('p');
        var lines = contents.split(/(?:\r\n?|\n)/);
        for (var i = 0, ii = lines.length; i < ii; ++i) {
         var line = lines[i];
         p.appendChild(document.createTextNode(line));
         if (i < ii - 1) {
          p.appendChild(document.createElement('br'));
         }
        }
        return p;
       },
       _toggle: function PopupElement_toggle() {
        if (this.pinned) {
         this._hide(true);
        } else {
         this._show(true);
        }
       },
       _show: function PopupElement_show(pin) {
        if (pin) {
         this.pinned = true;
        }
        if (this.hideElement.hasAttribute('hidden')) {
         this.hideElement.removeAttribute('hidden');
         this.container.style.zIndex += 1;
        }
       },
       _hide: function PopupElement_hide(unpin) {
        if (unpin) {
         this.pinned = false;
        }
        if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
         this.hideElement.setAttribute('hidden', true);
         this.container.style.zIndex -= 1;
        }
       }
      };
      return PopupElement;
     }();
     var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
      function HighlightAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(HighlightAnnotationElement, AnnotationElement, {
       render: function HighlightAnnotationElement_render() {
        this.container.className = 'highlightAnnotation';
        if (!this.data.hasPopup) {
         this._createPopup(this.container, null, this.data);
        }
        return this.container;
       }
      });
      return HighlightAnnotationElement;
     }();
     var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
      function UnderlineAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
       render: function UnderlineAnnotationElement_render() {
        this.container.className = 'underlineAnnotation';
        if (!this.data.hasPopup) {
         this._createPopup(this.container, null, this.data);
        }
        return this.container;
       }
      });
      return UnderlineAnnotationElement;
     }();
     var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
      function SquigglyAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
       render: function SquigglyAnnotationElement_render() {
        this.container.className = 'squigglyAnnotation';
        if (!this.data.hasPopup) {
         this._createPopup(this.container, null, this.data);
        }
        return this.container;
       }
      });
      return SquigglyAnnotationElement;
     }();
     var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
      function StrikeOutAnnotationElement(parameters) {
       var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
       AnnotationElement.call(this, parameters, isRenderable);
      }
      Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
       render: function StrikeOutAnnotationElement_render() {
        this.container.className = 'strikeoutAnnotation';
        if (!this.data.hasPopup) {
         this._createPopup(this.container, null, this.data);
        }
        return this.container;
       }
      });
      return StrikeOutAnnotationElement;
     }();
     var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
      function FileAttachmentAnnotationElement(parameters) {
       AnnotationElement.call(this, parameters, true);
       this.filename = getFilenameFromUrl(parameters.data.file.filename);
       this.content = parameters.data.file.content;
      }
      Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
       render: function FileAttachmentAnnotationElement_render() {
        this.container.className = 'fileAttachmentAnnotation';
        var trigger = document.createElement('div');
        trigger.style.height = this.container.style.height;
        trigger.style.width = this.container.style.width;
        trigger.addEventListener('dblclick', this._download.bind(this));
        if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
         this._createPopup(this.container, trigger, this.data);
        }
        this.container.appendChild(trigger);
        return this.container;
       },
       _download: function FileAttachmentAnnotationElement_download() {
        if (!this.downloadManager) {
         warn('Download cannot be started due to unavailable download manager');
         return;
        }
        this.downloadManager.downloadData(this.content, this.filename, '');
       }
      });
      return FileAttachmentAnnotationElement;
     }();
     var AnnotationLayer = function AnnotationLayerClosure() {
      return {
       render: function AnnotationLayer_render(parameters) {
        var annotationElementFactory = new AnnotationElementFactory();
        for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
         var data = parameters.annotations[i];
         if (!data) {
          continue;
         }
         var properties = {
          data: data,
          layer: parameters.div,
          page: parameters.page,
          viewport: parameters.viewport,
          linkService: parameters.linkService,
          downloadManager: parameters.downloadManager,
          imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
          renderInteractiveForms: parameters.renderInteractiveForms || false
         };
         var element = annotationElementFactory.create(properties);
         if (element.isRenderable) {
          parameters.div.appendChild(element.render());
         }
        }
       },
       update: function AnnotationLayer_update(parameters) {
        for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
         var data = parameters.annotations[i];
         var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
         if (element) {
          CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
         }
        }
        parameters.div.removeAttribute('hidden');
       }
      };
     }();
     exports.AnnotationLayer = AnnotationLayer;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayTextLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
    }(this, function (exports, sharedUtil, displayDOMUtils) {
     var Util = sharedUtil.Util;
     var createPromiseCapability = sharedUtil.createPromiseCapability;
     var CustomStyle = displayDOMUtils.CustomStyle;
     var getDefaultSetting = displayDOMUtils.getDefaultSetting;
     var renderTextLayer = function renderTextLayerClosure() {
      var MAX_TEXT_DIVS_TO_RENDER = 100000;
      var NonWhitespaceRegexp = /\S/;
      function isAllWhitespace(str) {
       return !NonWhitespaceRegexp.test(str);
      }
      var styleBuf = [
       'left: ',
       0,
       'px; top: ',
       0,
       'px; font-size: ',
       0,
       'px; font-family: ',
       '',
       ';'
      ];
      function appendText(task, geom, styles) {
       var textDiv = document.createElement('div');
       var textDivProperties = {
        style: null,
        angle: 0,
        canvasWidth: 0,
        isWhitespace: false,
        originalTransform: null,
        paddingBottom: 0,
        paddingLeft: 0,
        paddingRight: 0,
        paddingTop: 0,
        scale: 1
       };
       task._textDivs.push(textDiv);
       if (isAllWhitespace(geom.str)) {
        textDivProperties.isWhitespace = true;
        task._textDivProperties.set(textDiv, textDivProperties);
        return;
       }
       var tx = Util.transform(task._viewport.transform, geom.transform);
       var angle = Math.atan2(tx[1], tx[0]);
       var style = styles[geom.fontName];
       if (style.vertical) {
        angle += Math.PI / 2;
       }
       var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
       var fontAscent = fontHeight;
       if (style.ascent) {
        fontAscent = style.ascent * fontAscent;
       } else if (style.descent) {
        fontAscent = (1 + style.descent) * fontAscent;
       }
       var left;
       var top;
       if (angle === 0) {
        left = tx[4];
        top = tx[5] - fontAscent;
       } else {
        left = tx[4] + fontAscent * Math.sin(angle);
        top = tx[5] - fontAscent * Math.cos(angle);
       }
       styleBuf[1] = left;
       styleBuf[3] = top;
       styleBuf[5] = fontHeight;
       styleBuf[7] = style.fontFamily;
       textDivProperties.style = styleBuf.join('');
       textDiv.setAttribute('style', textDivProperties.style);
       textDiv.textContent = geom.str;
       if (getDefaultSetting('pdfBug')) {
        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._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.getAxialAlignedBoundingBox([
          0,
          0,
          divWidth,
          divHeight
         ], m);
        } else {
         b = [
          left,
          top,
          left + divWidth,
          top + divHeight
         ];
        }
        task._bounds.push({
         left: b[0],
         top: b[1],
         right: b[2],
         bottom: b[3],
         div: textDiv,
         size: [
          divWidth,
          divHeight
         ],
         m: m
        });
       }
      }
      function render(task) {
       if (task._canceled) {
        return;
       }
       var textLayerFrag = task._container;
       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;
       }
       var canvas = document.createElement('canvas');
       canvas.mozOpaque = true;
       var ctx = canvas.getContext('2d', { alpha: false });
       var lastFontSize;
       var lastFontFamily;
       for (var i = 0; i < textDivsLength; i++) {
        var textDiv = textDivs[i];
        var textDivProperties = task._textDivProperties.get(textDiv);
        if (textDivProperties.isWhitespace) {
         continue;
        }
        var fontSize = textDiv.style.fontSize;
        var fontFamily = textDiv.style.fontFamily;
        if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
         ctx.font = fontSize + ' ' + fontFamily;
         lastFontSize = fontSize;
         lastFontFamily = fontFamily;
        }
        var width = ctx.measureText(textDiv.textContent).width;
        textLayerFrag.appendChild(textDiv);
        var transform = '';
        if (textDivProperties.canvasWidth !== 0 && width > 0) {
         textDivProperties.scale = textDivProperties.canvasWidth / width;
         transform = 'scaleX(' + textDivProperties.scale + ')';
        }
        if (textDivProperties.angle !== 0) {
         transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
        }
        if (transform !== '') {
         textDivProperties.originalTransform = transform;
         CustomStyle.setProp('transform', textDiv, transform);
        }
        task._textDivProperties.set(textDiv, textDivProperties);
       }
       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.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, container, viewport, textDivs, enhanceTextSelection) {
       this._textContent = textContent;
       this._container = container;
       this._viewport = viewport;
       this._textDivs = textDivs || [];
       this._textDivProperties = new WeakMap();
       this._renderingDone = false;
       this._canceled = false;
       this._capability = createPromiseCapability();
       this._renderTimer = null;
       this._bounds = [];
       this._enhanceTextSelection = !!enhanceTextSelection;
      }
      TextLayerRenderTask.prototype = {
       get promise() {
        return this._capability.promise;
       },
       cancel: function TextLayer_cancel() {
        this._canceled = true;
        if (this._renderTimer !== null) {
         clearTimeout(this._renderTimer);
         this._renderTimer = null;
        }
        this._capability.reject('canceled');
       },
       _render: function TextLayer_render(timeout) {
        var textItems = this._textContent.items;
        var textStyles = this._textContent.styles;
        for (var i = 0, len = textItems.length; i < len; i++) {
         appendText(this, textItems[i], textStyles);
        }
        if (!timeout) {
         render(this);
        } else {
         var self = this;
         this._renderTimer = setTimeout(function () {
          render(self);
          self._renderTimer = null;
         }, timeout);
        }
       },
       expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
        if (!this._enhanceTextSelection || !this._renderingDone) {
         return;
        }
        if (this._bounds !== null) {
         expand(this);
         this._bounds = null;
        }
        for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
         var div = this._textDivs[i];
         var divProperties = this._textDivProperties.get(div);
         if (divProperties.isWhitespace) {
          continue;
         }
         if (expandDivs) {
          var transform = '', padding = '';
          if (divProperties.scale !== 1) {
           transform = 'scaleX(' + divProperties.scale + ')';
          }
          if (divProperties.angle !== 0) {
           transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
          }
          if (divProperties.paddingLeft !== 0) {
           padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
           transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
          }
          if (divProperties.paddingTop !== 0) {
           padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
           transform += ' translateY(' + -divProperties.paddingTop + 'px)';
          }
          if (divProperties.paddingRight !== 0) {
           padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
          }
          if (divProperties.paddingBottom !== 0) {
           padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
          }
          if (padding !== '') {
           div.setAttribute('style', divProperties.style + padding);
          }
          if (transform !== '') {
           CustomStyle.setProp('transform', div, transform);
          }
         } else {
          div.style.padding = 0;
          CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
         }
        }
       }
      };
      function renderTextLayer(renderParameters) {
       var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
       task._render(renderParameters.timeout);
       return task;
      }
      return renderTextLayer;
     }();
     exports.renderTextLayer = renderTextLayer;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayWebGL = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
    }(this, function (exports, sharedUtil, displayDOMUtils) {
     var shadow = sharedUtil.shadow;
     var getDefaultSetting = displayDOMUtils.getDefaultSetting;
     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;
      }
      function cleanup() {
       if (smaskCache && smaskCache.canvas) {
        smaskCache.canvas.width = 0;
        smaskCache.canvas.height = 0;
       }
       if (figuresCache && figuresCache.canvas) {
        figuresCache.canvas.width = 0;
        figuresCache.canvas.height = 0;
       }
       smaskCache = null;
       figuresCache = null;
      }
      return {
       get isEnabled() {
        if (getDefaultSetting('disableWebGL')) {
         return false;
        }
        var enabled = false;
        try {
         generateGL();
         enabled = !!currentGL;
        } catch (e) {
        }
        return shadow(this, 'isEnabled', enabled);
       },
       composeSMask: composeSMask,
       drawFigures: drawFigures,
       clear: cleanup
      };
     }();
     exports.WebGLUtils = WebGLUtils;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayPatternHelper = {}, root.pdfjsSharedUtil, root.pdfjsDisplayWebGL);
    }(this, function (exports, sharedUtil, displayWebGL) {
     var Util = sharedUtil.Util;
     var info = sharedUtil.info;
     var isArray = sharedUtil.isArray;
     var error = sharedUtil.error;
     var WebGLUtils = displayWebGL.WebGLUtils;
     var ShadingIRs = {};
     ShadingIRs.RadialAxial = {
      fromIR: function RadialAxial_fromIR(raw) {
       var type = raw[1];
       var colorStops = raw[2];
       var p0 = raw[3];
       var p1 = raw[4];
       var r0 = raw[5];
       var r1 = raw[6];
       return {
        type: 'Pattern',
        getPattern: function RadialAxial_getPattern(ctx) {
         var grad;
         if (type === 'axial') {
          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
         } else if (type === 'radial') {
          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
         }
         for (var i = 0, ii = colorStops.length; i < ii; ++i) {
          var c = colorStops[i];
          grad.addColorStop(c[0], c[1]);
         }
         return grad;
        }
       };
      }
     };
     var createMeshCanvas = function createMeshCanvasClosure() {
      function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
       var coords = context.coords, colors = context.colors;
       var bytes = data.data, rowSize = data.width * 4;
       var tmp;
       if (coords[p1 + 1] > coords[p2 + 1]) {
        tmp = p1;
        p1 = p2;
        p2 = tmp;
        tmp = c1;
        c1 = c2;
        c2 = tmp;
       }
       if (coords[p2 + 1] > coords[p3 + 1]) {
        tmp = p2;
        p2 = p3;
        p3 = tmp;
        tmp = c2;
        c2 = c3;
        c3 = tmp;
       }
       if (coords[p1 + 1] > coords[p2 + 1]) {
        tmp = p1;
        p1 = p2;
        p2 = tmp;
        tmp = c1;
        c1 = c2;
        c2 = tmp;
       }
       var x1 = (coords[p1] + context.offsetX) * context.scaleX;
       var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
       var x2 = (coords[p2] + context.offsetX) * context.scaleX;
       var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
       var x3 = (coords[p3] + context.offsetX) * context.scaleX;
       var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
       if (y1 >= y3) {
        return;
       }
       var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
       var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
       var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
       var minY = Math.round(y1), maxY = Math.round(y3);
       var xa, car, cag, cab;
       var xb, cbr, cbg, cbb;
       var k;
       for (var y = minY; y <= maxY; y++) {
        if (y < y2) {
         k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
         xa = x1 - (x1 - x2) * k;
         car = c1r - (c1r - c2r) * k;
         cag = c1g - (c1g - c2g) * k;
         cab = c1b - (c1b - c2b) * k;
        } else {
         k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
         xa = x2 - (x2 - x3) * k;
         car = c2r - (c2r - c3r) * k;
         cag = c2g - (c2g - c3g) * k;
         cab = c2b - (c2b - c3b) * k;
        }
        k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
        xb = x1 - (x1 - x3) * k;
        cbr = c1r - (c1r - c3r) * k;
        cbg = c1g - (c1g - c3g) * k;
        cbb = c1b - (c1b - c3b) * k;
        var x1_ = Math.round(Math.min(xa, xb));
        var x2_ = Math.round(Math.max(xa, xb));
        var j = rowSize * y + x1_ * 4;
        for (var x = x1_; x <= x2_; x++) {
         k = (xa - x) / (xa - xb);
         k = k < 0 ? 0 : k > 1 ? 1 : k;
         bytes[j++] = car - (car - cbr) * k | 0;
         bytes[j++] = cag - (cag - cbg) * k | 0;
         bytes[j++] = cab - (cab - cbb) * k | 0;
         bytes[j++] = 255;
        }
       }
      }
      function drawFigure(data, figure, context) {
       var ps = figure.coords;
       var cs = figure.colors;
       var i, ii;
       switch (figure.type) {
       case 'lattice':
        var verticesPerRow = figure.verticesPerRow;
        var rows = Math.floor(ps.length / verticesPerRow) - 1;
        var cols = verticesPerRow - 1;
        for (i = 0; i < rows; i++) {
         var q = i * verticesPerRow;
         for (var j = 0; j < cols; j++, q++) {
          drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
          drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
         }
        }
        break;
       case 'triangles':
        for (i = 0, ii = ps.length; i < ii; i += 3) {
         drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
        }
        break;
       default:
        error('illigal figure');
        break;
       }
      }
      function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
       var EXPECTED_SCALE = 1.1;
       var MAX_PATTERN_SIZE = 3000;
       var BORDER_SIZE = 2;
       var offsetX = Math.floor(bounds[0]);
       var offsetY = Math.floor(bounds[1]);
       var boundsWidth = Math.ceil(bounds[2]) - offsetX;
       var boundsHeight = Math.ceil(bounds[3]) - offsetY;
       var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
       var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
       var scaleX = boundsWidth / width;
       var scaleY = boundsHeight / height;
       var context = {
        coords: coords,
        colors: colors,
        offsetX: -offsetX,
        offsetY: -offsetY,
        scaleX: 1 / scaleX,
        scaleY: 1 / scaleY
       };
       var paddedWidth = width + BORDER_SIZE * 2;
       var paddedHeight = height + BORDER_SIZE * 2;
       var canvas, tmpCanvas, i, ii;
       if (WebGLUtils.isEnabled) {
        canvas = WebGLUtils.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: canvas,
        offsetX: offsetX - BORDER_SIZE * scaleX,
        offsetY: offsetY - BORDER_SIZE * scaleY,
        scaleX: scaleX,
        scaleY: scaleY
       };
      }
      return createMeshCanvas;
     }();
     ShadingIRs.Mesh = {
      fromIR: function Mesh_fromIR(raw) {
       var coords = raw[2];
       var colors = raw[3];
       var figures = raw[4];
       var bounds = raw[5];
       var matrix = raw[6];
       var background = raw[8];
       return {
        type: 'Pattern',
        getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
         var scale;
         if (shadingFill) {
          scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
         } else {
          scale = Util.singularValueDecompose2dScale(owner.baseTransform);
          if (matrix) {
           var matrixScale = 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);
         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) {
       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;
        info('TilingType: ' + tilingType);
        var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
        var topLeft = [
         x0,
         y0
        ];
        var botRight = [
         x0 + xstep,
         y0 + ystep
        ];
        var width = botRight[0] - topLeft[0];
        var height = botRight[1] - topLeft[1];
        var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
        var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
        var combinedScale = [
         matrixScale[0] * curMatrixScale[0],
         matrixScale[1] * curMatrixScale[1]
        ];
        width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
        height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
        var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
        var tmpCtx = tmpCanvas.context;
        var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
        graphics.groupLevel = owner.groupLevel;
        this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
        this.setScale(width, height, xstep, ystep);
        this.transformToScale(graphics);
        var tmpTranslate = [
         1,
         0,
         0,
         1,
         -topLeft[0],
         -topLeft[1]
        ];
        graphics.transform.apply(graphics, tmpTranslate);
        this.clipBbox(graphics, bbox, x0, y0, x1, y1);
        graphics.executeOperatorList(operatorList);
        return tmpCanvas.canvas;
       },
       setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
        this.scale = [
         width / xstep,
         height / ystep
        ];
       },
       transformToScale: function TilingPattern_transformToScale(graphics) {
        var scale = this.scale;
        var tmpScale = [
         scale[0],
         0,
         0,
         scale[1],
         0,
         0
        ];
        graphics.transform.apply(graphics, tmpScale);
       },
       scaleToContext: function TilingPattern_scaleToContext() {
        var scale = this.scale;
        this.ctx.scale(1 / scale[0], 1 / scale[1]);
       },
       clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
        if (bbox && 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(context, paintType, color) {
        switch (paintType) {
        case PaintType.COLORED:
         var ctx = this.ctx;
         context.fillStyle = ctx.fillStyle;
         context.strokeStyle = ctx.strokeStyle;
         break;
        case PaintType.UNCOLORED:
         var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
         context.fillStyle = cssColor;
         context.strokeStyle = cssColor;
         break;
        default:
         error('Unsupported paint type: ' + paintType);
        }
       },
       getPattern: function TilingPattern_getPattern(ctx, owner) {
        var temporaryPatternCanvas = this.createPatternCanvas(owner);
        ctx = this.ctx;
        ctx.setTransform.apply(ctx, this.baseTransform);
        ctx.transform.apply(ctx, this.matrix);
        this.scaleToContext();
        return ctx.createPattern(temporaryPatternCanvas, 'repeat');
       }
      };
      return TilingPattern;
     }();
     exports.getShadingPatternFromIR = getShadingPatternFromIR;
     exports.TilingPattern = TilingPattern;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayCanvas = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL);
    }(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, displayWebGL) {
     var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
     var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
     var ImageKind = sharedUtil.ImageKind;
     var OPS = sharedUtil.OPS;
     var TextRenderingMode = sharedUtil.TextRenderingMode;
     var Uint32ArrayView = sharedUtil.Uint32ArrayView;
     var Util = sharedUtil.Util;
     var assert = sharedUtil.assert;
     var info = sharedUtil.info;
     var isNum = sharedUtil.isNum;
     var isArray = sharedUtil.isArray;
     var isLittleEndian = sharedUtil.isLittleEndian;
     var error = sharedUtil.error;
     var shadow = sharedUtil.shadow;
     var warn = sharedUtil.warn;
     var TilingPattern = displayPatternHelper.TilingPattern;
     var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
     var WebGLUtils = displayWebGL.WebGLUtils;
     var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
     var MIN_FONT_SIZE = 16;
     var MAX_FONT_SIZE = 100;
     var MAX_GROUP_SIZE = 4096;
     var MIN_WIDTH_FACTOR = 0.65;
     var COMPILE_TYPE3_GLYPHS = true;
     var MAX_SIZE_TO_COMPILE = 1000;
     var FULL_CHUNK_HEIGHT = 16;
     var HasCanvasTypedArraysCached = {
      get value() {
       return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
      }
     };
     var IsLittleEndianCached = {
      get value() {
       return shadow(IsLittleEndianCached, 'value', isLittleEndian());
      }
     };
     function createScratchCanvas(width, height) {
      var canvas = document.createElement('canvas');
      canvas.width = width;
      canvas.height = height;
      return canvas;
     }
     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() {
       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];
         canvasEntry.canvas.width = width;
         canvasEntry.canvas.height = height;
         canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
        } else {
         var canvas = createScratchCanvas(width, height);
         var ctx = canvas.getContext('2d');
         if (trackTransform) {
          addContextCurrentTransform(ctx);
         }
         this.cache[id] = canvasEntry = {
          canvas: canvas,
          context: ctx
         };
        }
        return canvasEntry;
       },
       clear: function () {
        for (var id in this.cache) {
         var canvasEntry = this.cache[id];
         canvasEntry.canvas.width = 0;
         canvasEntry.canvas.height = 0;
         delete this.cache[id];
        }
       }
      };
      return CachedCanvases;
     }();
     function compileType3Glyph(imgData) {
      var POINT_TO_PROCESS_LIMIT = 1000;
      var width = imgData.width, height = imgData.height;
      var i, j, j0, width1 = width + 1;
      var points = new Uint8Array(width1 * (height + 1));
      var POINT_TYPES = new Uint8Array([
       0,
       2,
       4,
       0,
       1,
       0,
       5,
       4,
       8,
       10,
       0,
       8,
       0,
       2,
       1,
       0
      ]);
      var lineSize = width + 7 & ~7, data0 = imgData.data;
      var data = new Uint8Array(lineSize * height), pos = 0, ii;
      for (i = 0, ii = data0.length; i < ii; i++) {
       var mask = 128, elem = data0[i];
       while (mask > 0) {
        data[pos++] = elem & mask ? 0 : 255;
        mask >>= 1;
       }
      }
      var count = 0;
      pos = 0;
      if (data[pos] !== 0) {
       points[0] = 1;
       ++count;
      }
      for (j = 1; j < width; j++) {
       if (data[pos] !== data[pos + 1]) {
        points[j] = data[pos] ? 2 : 1;
        ++count;
       }
       pos++;
      }
      if (data[pos] !== 0) {
       points[j] = 2;
       ++count;
      }
      for (i = 1; i < height; i++) {
       pos = i * lineSize;
       j0 = i * width1;
       if (data[pos - lineSize] !== data[pos]) {
        points[j0] = data[pos] ? 1 : 8;
        ++count;
       }
       var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
       for (j = 1; j < width; j++) {
        sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
        if (POINT_TYPES[sum]) {
         points[j0 + j] = POINT_TYPES[sum];
         ++count;
        }
        pos++;
       }
       if (data[pos - lineSize] !== data[pos]) {
        points[j0 + j] = data[pos] ? 2 : 4;
        ++count;
       }
       if (count > POINT_TO_PROCESS_LIMIT) {
        return null;
       }
      }
      pos = lineSize * (height - 1);
      j0 = i * width1;
      if (data[pos] !== 0) {
       points[j0] = 8;
       ++count;
      }
      for (j = 1; j < width; j++) {
       if (data[pos] !== data[pos + 1]) {
        points[j0 + j] = data[pos] ? 4 : 8;
        ++count;
       }
       pos++;
      }
      if (data[pos] !== 0) {
       points[j0 + j] = 4;
       ++count;
      }
      if (count > POINT_TO_PROCESS_LIMIT) {
       return null;
      }
      var steps = new Int32Array([
       0,
       width1,
       -1,
       0,
       -width1,
       0,
       0,
       0,
       1
      ]);
      var outlines = [];
      for (i = 0; count && i <= height; i++) {
       var p = i * width1;
       var end = p + width;
       while (p < end && !points[p]) {
        p++;
       }
       if (p === end) {
        continue;
       }
       var coords = [
        p % width1,
        i
       ];
       var type = points[p], p0 = p, pp;
       do {
        var step = steps[type];
        do {
         p += step;
        } while (!points[p]);
        pp = points[p];
        if (pp !== 5 && pp !== 10) {
         type = pp;
         points[p] = 0;
        } else {
         type = pp & 0x33 * type >> 4;
         points[p] &= type >> 2 | type << 2;
        }
        coords.push(p % width1);
        coords.push(p / width1 | 0);
        --count;
       } while (p0 !== p);
       outlines.push(coords);
       --i;
      }
      var drawOutline = function (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(old) {
       this.alphaIsShape = false;
       this.fontSize = 0;
       this.fontSizeScale = 1;
       this.textMatrix = IDENTITY_MATRIX;
       this.textMatrixScale = 1;
       this.fontMatrix = 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 = 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;
       this.old = old;
      }
      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, 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.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();
       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 === ImageKind.GRAYSCALE_1BPP) {
        var srcLength = src.byteLength;
        var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
        var dest32DataLength = dest32.length;
        var fullSrcDiff = width + 7 >> 3;
        var white = 0xFFFFFFFF;
        var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.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 === 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 === 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 {
        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 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) {
       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 && WebGLUtils.isEnabled) {
        var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
         subtype: smask.subtype,
         backdrop: backdrop
        });
        ctx.setTransform(1, 0, 0, 1, 0, 0);
        ctx.drawImage(composed, smask.offsetX, smask.offsetY);
        return;
       }
       genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
       ctx.drawImage(mask, 0, 0);
      }
      var LINE_CAP_STYLES = [
       'butt',
       'round',
       'square'
      ];
      var LINE_JOIN_STYLES = [
       'miter',
       'round',
       'bevel'
      ];
      var NORMAL_CLIP = {};
      var EO_CLIP = {};
      CanvasGraphics.prototype = {
       beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
        var width = this.ctx.canvas.width;
        var height = this.ctx.canvas.height;
        this.ctx.save();
        this.ctx.fillStyle = '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();
        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 !== OPS.dependency) {
          this[fnId].apply(this, argsArray[i]);
         } else {
          var deps = argsArray[i];
          for (var n = 0, nn = deps.length; n < nn; n++) {
           var depObjId = deps[n];
           var common = depObjId[0] === 'g' && depObjId[1] === '_';
           var objsPool = common ? commonObjs : objs;
           if (!objsPool.isResolved(depObjId)) {
            objsPool.get(depObjId, continueCallback);
            return i;
           }
          }
         }
         i++;
         if (i === argsArrayLen) {
          return i;
         }
         if (chunkOperations && ++steps > EXECUTION_STEPS) {
          if (Date.now() > endTime) {
           continueCallback();
           return i;
          }
          steps = 0;
         }
        }
       },
       endDrawing: function CanvasGraphics_endDrawing() {
        if (this.current.activeSMask !== null) {
         this.endSMaskGroup();
        }
        this.ctx.restore();
        if (this.transparentCanvas) {
         this.ctx = this.compositeCtx;
         this.ctx.save();
         this.ctx.setTransform(1, 0, 0, 1, 0, 0);
         this.ctx.drawImage(this.transparentCanvas, 0, 0);
         this.ctx.restore();
         this.transparentCanvas = null;
        }
        this.cachedCanvases.clear();
        WebGLUtils.clear();
        if (this.imageLayer) {
         this.imageLayer.endLayout();
        }
       },
       setLineWidth: function CanvasGraphics_setLineWidth(width) {
        this.current.lineWidth = width;
        this.ctx.lineWidth = width;
       },
       setLineCap: function CanvasGraphics_setLineCap(style) {
        this.ctx.lineCap = LINE_CAP_STYLES[style];
       },
       setLineJoin: function CanvasGraphics_setLineJoin(style) {
        this.ctx.lineJoin = LINE_JOIN_STYLES[style];
       },
       setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
        this.ctx.miterLimit = limit;
       },
       setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
        var ctx = this.ctx;
        if (ctx.setLineDash !== undefined) {
         ctx.setLineDash(dashArray);
         ctx.lineDashOffset = dashPhase;
        }
       },
       setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
       },
       setFlatness: function CanvasGraphics_setFlatness(flatness) {
       },
       setGState: function CanvasGraphics_setGState(states) {
        for (var i = 0, ii = states.length; i < ii; i++) {
         var state = states[i];
         var key = state[0];
         var value = state[1];
         switch (key) {
         case 'LW':
          this.setLineWidth(value);
          break;
         case 'LC':
          this.setLineCap(value);
          break;
         case 'LJ':
          this.setLineJoin(value);
          break;
         case 'ML':
          this.setMiterLimit(value);
          break;
         case 'D':
          this.setDash(value[0], value[1]);
          break;
         case 'RI':
          this.setRenderingIntent(value);
          break;
         case 'FL':
          this.setFlatness(value);
          break;
         case 'Font':
          this.setFont(value[0], value[1]);
          break;
         case 'CA':
          this.current.strokeAlpha = state[1];
          break;
         case 'ca':
          this.current.fillAlpha = state[1];
          this.ctx.globalAlpha = state[1];
          break;
         case 'BM':
          if (value && value.name && value.name !== 'Normal') {
           var mode = value.name.replace(/([A-Z])/g, function (c) {
            return '-' + c.toLowerCase();
           }).substring(1);
           this.ctx.globalCompositeOperation = mode;
           if (this.ctx.globalCompositeOperation !== mode) {
            warn('globalCompositeOperation "' + mode + '" is not supported');
           }
          } else {
           this.ctx.globalCompositeOperation = 'source-over';
          }
          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',
          'Normal'
         ],
         [
          '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.ctx.restore();
        this.ctx.save();
        copyCtxState(groupCtx, this.ctx);
        this.current.resumeSMaskCtx = groupCtx;
        var deltaTransform = 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.ctx.restore();
        copyCtxState(groupCtx, this.ctx);
        var deltaTransform = 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 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 OPS.moveTo:
          x = args[j++];
          y = args[j++];
          ctx.moveTo(x, y);
          break;
         case OPS.lineTo:
          x = args[j++];
          y = args[j++];
          ctx.lineTo(x, y);
          break;
         case 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 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 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 OPS.closePath:
          ctx.closePath();
          break;
         }
        }
        current.setCurrentPoint(x, y);
       },
       closePath: function CanvasGraphics_closePath() {
        this.ctx.closePath();
       },
       stroke: function CanvasGraphics_stroke(consumePath) {
        consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
        var ctx = this.ctx;
        var strokeColor = this.current.strokeColor;
        ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
        ctx.globalAlpha = this.current.strokeAlpha;
        if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
         ctx.save();
         ctx.strokeStyle = strokeColor.getPattern(ctx, this);
         ctx.stroke();
         ctx.restore();
        } else {
         ctx.stroke();
        }
        if (consumePath) {
         this.consumePath();
        }
        ctx.globalAlpha = this.current.fillAlpha;
       },
       closeStroke: function CanvasGraphics_closeStroke() {
        this.closePath();
        this.stroke();
       },
       fill: function CanvasGraphics_fill(consumePath) {
        consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
        var ctx = this.ctx;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var needRestore = false;
        if (isPatternFill) {
         ctx.save();
         if (this.baseTransform) {
          ctx.setTransform.apply(ctx, this.baseTransform);
         }
         ctx.fillStyle = fillColor.getPattern(ctx, this);
         needRestore = true;
        }
        if (this.pendingEOFill) {
         if (ctx.mozFillRule !== undefined) {
          ctx.mozFillRule = 'evenodd';
          ctx.fill();
          ctx.mozFillRule = 'nonzero';
         } else {
          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 = 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) {
         error('Can\'t find font for ' + fontRefName);
        }
        current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
        if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
         warn('Invalid font matrix for font ' + fontRefName);
        }
        if (size < 0) {
         size = -size;
         current.fontDirection = -1;
        } else {
         current.fontDirection = 1;
        }
        this.current.font = fontObj;
        this.current.fontSize = size;
        if (fontObj.isType3Font) {
         return;
        }
        var name = fontObj.loadedName || 'sans-serif';
        var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
        var italic = fontObj.italic ? 'italic' : 'normal';
        var typeface = '"' + name + '", ' + fontObj.fallbackName;
        var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
        this.current.fontSizeScale = size / browserFontSize;
        var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
        this.ctx.font = rule;
       },
       setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
        this.current.textRenderingMode = mode;
       },
       setTextRise: function CanvasGraphics_setTextRise(rise) {
        this.current.textRise = rise;
       },
       moveText: function CanvasGraphics_moveText(x, y) {
        this.current.x = this.current.lineX += x;
        this.current.y = this.current.lineY += y;
       },
       setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
        this.setLeading(-y);
        this.moveText(x, y);
       },
       setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
        this.current.textMatrix = [
         a,
         b,
         c,
         d,
         e,
         f
        ];
        this.current.textMatrixScale = Math.sqrt(a * a + b * b);
        this.current.x = this.current.lineX = 0;
        this.current.y = this.current.lineY = 0;
       },
       nextLine: function CanvasGraphics_nextLine() {
        this.moveText(0, this.current.leading);
       },
       paintChar: function CanvasGraphics_paintChar(character, x, y) {
        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 & TextRenderingMode.FILL_STROKE_MASK;
        var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
        var addToPath;
        if (font.disableFontFace || isAddToPathSet) {
         addToPath = font.getPathGenerator(this.commonObjs, character);
        }
        if (font.disableFontFace) {
         ctx.save();
         ctx.translate(x, y);
         ctx.beginPath();
         addToPath(ctx, fontSize);
         if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
          ctx.fill();
         }
         if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
          ctx.stroke();
         }
         ctx.restore();
        } else {
         if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
          ctx.fillText(character, x, y);
         }
         if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
          ctx.strokeText(character, x, y);
         }
        }
        if (isAddToPathSet) {
         var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
         paths.push({
          transform: ctx.mozCurrentTransform,
          x: x,
          y: y,
          fontSize: fontSize,
          addToPath: addToPath
         });
        }
       },
       get isFontSubpixelAAEnabled() {
        var ctx = document.createElement('canvas').getContext('2d');
        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 shadow(this, 'isFontSubpixelAAEnabled', enabled);
       },
       showText: function CanvasGraphics_showText(glyphs) {
        var current = this.current;
        var font = current.font;
        if (font.isType3Font) {
         return this.showType3Text(glyphs);
        }
        var fontSize = current.fontSize;
        if (fontSize === 0) {
         return;
        }
        var ctx = this.ctx;
        var fontSizeScale = current.fontSizeScale;
        var charSpacing = current.charSpacing;
        var wordSpacing = current.wordSpacing;
        var fontDirection = current.fontDirection;
        var textHScale = current.textHScale * fontDirection;
        var glyphsLength = glyphs.length;
        var vertical = font.vertical;
        var spacingDir = vertical ? 1 : -1;
        var defaultVMetrics = font.defaultVMetrics;
        var widthAdvanceScale = fontSize * current.fontMatrix[0];
        var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
        ctx.save();
        ctx.transform.apply(ctx, current.textMatrix);
        ctx.translate(current.x, current.y + current.textRise);
        if (current.patternFill) {
         ctx.fillStyle = current.fillColor.getPattern(ctx, this);
        }
        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 & TextRenderingMode.FILL_STROKE_MASK;
         if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === 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 (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);
           if (accent) {
            scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
            scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
            this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
           }
          }
         }
         var charWidth = width * widthAdvanceScale + spacing * fontDirection;
         x += charWidth;
         if (restoreNeeded) {
          ctx.restore();
         }
        }
        if (vertical) {
         current.y -= x * textHScale;
        } else {
         current.x += x * textHScale;
        }
        ctx.restore();
       },
       showType3Text: function CanvasGraphics_showType3Text(glyphs) {
        var ctx = this.ctx;
        var current = this.current;
        var font = current.font;
        var fontSize = current.fontSize;
        var fontDirection = current.fontDirection;
        var spacingDir = font.vertical ? 1 : -1;
        var charSpacing = current.charSpacing;
        var wordSpacing = current.wordSpacing;
        var textHScale = current.textHScale * fontDirection;
        var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
        var glyphsLength = glyphs.length;
        var isTextInvisible = current.textRenderingMode === 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 (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) {
          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.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 self = this;
         var canvasGraphicsFactory = {
          createCanvasGraphics: function (ctx) {
           return new CanvasGraphics(ctx, self.commonObjs, self.objs);
          }
         };
         pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
        } else {
         pattern = 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.makeCssRgb(r, g, b);
        this.ctx.strokeStyle = color;
        this.current.strokeColor = color;
       },
       setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
        var color = 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 = 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.applyTransform([
          0,
          0
         ], inv);
         var br = Util.applyTransform([
          0,
          height
         ], inv);
         var ul = Util.applyTransform([
          width,
          0
         ], inv);
         var ur = 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() {
        error('Should not call beginInlineImage');
       },
       beginImageData: function CanvasGraphics_beginImageData() {
        error('Should not call beginImageData');
       },
       paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
        this.save();
        this.baseTransformStack.push(this.baseTransform);
        if (isArray(matrix) && matrix.length === 6) {
         this.transform.apply(this, matrix);
        }
        this.baseTransform = this.ctx.mozCurrentTransform;
        if (isArray(bbox) && bbox.length === 4) {
         var width = bbox[2] - bbox[0];
         var height = bbox[3] - bbox[1];
         this.ctx.rect(bbox[0], bbox[1], width, height);
         this.clip();
         this.endPath();
        }
       },
       paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
        this.restore();
        this.baseTransform = this.baseTransformStack.pop();
       },
       beginGroup: function CanvasGraphics_beginGroup(group) {
        this.save();
        var currentCtx = this.ctx;
        if (!group.isolated) {
         info('TODO: Support non-isolated groups.');
        }
        if (group.knockout) {
         warn('Knockout groups not supported.');
        }
        var currentTransform = currentCtx.mozCurrentTransform;
        if (group.matrix) {
         currentCtx.transform.apply(currentCtx, group.matrix);
        }
        assert(group.bbox, 'Bounding box is required.');
        var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
        var canvasBounds = [
         0,
         0,
         currentCtx.canvas.width,
         currentCtx.canvas.height
        ];
        bounds = Util.intersect(bounds, canvasBounds) || [
         0,
         0,
         0,
         0
        ];
        var offsetX = Math.floor(bounds[0]);
        var offsetY = Math.floor(bounds[1]);
        var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
        var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
        var scaleX = 1, scaleY = 1;
        if (drawnWidth > MAX_GROUP_SIZE) {
         scaleX = drawnWidth / MAX_GROUP_SIZE;
         drawnWidth = MAX_GROUP_SIZE;
        }
        if (drawnHeight > MAX_GROUP_SIZE) {
         scaleY = drawnHeight / MAX_GROUP_SIZE;
         drawnHeight = MAX_GROUP_SIZE;
        }
        var cacheId = 'groupAt' + this.groupLevel;
        if (group.smask) {
         cacheId += '_smask_' + this.smaskCounter++ % 2;
        }
        var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
        var groupCtx = scratchCanvas.context;
        groupCtx.scale(1 / scaleX, 1 / scaleY);
        groupCtx.translate(-offsetX, -offsetY);
        groupCtx.transform.apply(groupCtx, currentTransform);
        if (group.smask) {
         this.smaskStack.push({
          canvas: scratchCanvas.canvas,
          context: groupCtx,
          offsetX: offsetX,
          offsetY: offsetY,
          scaleX: scaleX,
          scaleY: scaleY,
          subtype: group.smask.subtype,
          backdrop: group.smask.backdrop,
          transferMap: group.smask.transferMap || null,
          startTransformInverse: null
         });
        } else
         {
          currentCtx.setTransform(1, 0, 0, 1, 0, 0);
          currentCtx.translate(offsetX, offsetY);
          currentCtx.scale(scaleX, scaleY);
         }
        copyCtxState(currentCtx, groupCtx);
        this.ctx = groupCtx;
        this.setGState([
         [
          'BM',
          'Normal'
         ],
         [
          '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();
        this.current = new CanvasExtraState();
        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();
        if (isArray(rect) && rect.length === 4) {
         var width = rect[2] - rect[0];
         var height = rect[3] - rect[1];
         this.ctx.rect(rect[0], rect[1], width, height);
         this.clip();
         this.endPath();
        }
        this.transform.apply(this, transform);
        this.transform.apply(this, matrix);
       },
       endAnnotation: function CanvasGraphics_endAnnotation() {
        this.restore();
       },
       paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
        var domImage = this.objs.get(objId);
        if (!domImage) {
         warn('Dependent image isn\'t ready yet');
         return;
        }
        this.save();
        var ctx = this.ctx;
        ctx.scale(1 / w, -1 / h);
        ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
        if (this.imageLayer) {
         var currentTransform = ctx.mozCurrentTransformInverse;
         var position = this.getCanvasPosition(0, 0);
         this.imageLayer.appendImage({
          objId: objId,
          left: position[0],
          top: position[1],
          width: w / currentTransform[0],
          height: h / currentTransform[3]
         });
        }
        this.restore();
       },
       paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
        var ctx = this.ctx;
        var width = img.width, height = img.height;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var glyph = this.processingType3;
        if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
         if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
          glyph.compiled = compileType3Glyph({
           data: img.data,
           width: width,
           height: height
          });
         } else {
          glyph.compiled = null;
         }
        }
        if (glyph && glyph.compiled) {
         glyph.compiled(ctx);
         return;
        }
        var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
        var maskCtx = maskCanvas.context;
        maskCtx.save();
        putBinaryImageMask(maskCtx, img);
        maskCtx.globalCompositeOperation = 'source-in';
        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
        maskCtx.fillRect(0, 0, width, height);
        maskCtx.restore();
        this.paintInlineImageXObject(maskCanvas.canvas);
       },
       paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
        var width = imgData.width;
        var height = imgData.height;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
        var maskCtx = maskCanvas.context;
        maskCtx.save();
        putBinaryImageMask(maskCtx, imgData);
        maskCtx.globalCompositeOperation = 'source-in';
        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
        maskCtx.fillRect(0, 0, width, height);
        maskCtx.restore();
        var ctx = this.ctx;
        for (var i = 0, ii = positions.length; i < ii; i += 2) {
         ctx.save();
         ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
         ctx.scale(1, -1);
         ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
         ctx.restore();
        }
       },
       paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
        var ctx = this.ctx;
        var fillColor = this.current.fillColor;
        var isPatternFill = this.current.patternFill;
        for (var i = 0, ii = images.length; i < ii; i++) {
         var image = images[i];
         var width = image.width, height = image.height;
         var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
         var maskCtx = maskCanvas.context;
         maskCtx.save();
         putBinaryImageMask(maskCtx, image);
         maskCtx.globalCompositeOperation = 'source-in';
         maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
         maskCtx.fillRect(0, 0, width, height);
         maskCtx.restore();
         ctx.save();
         ctx.transform.apply(ctx, image.transform);
         ctx.scale(1, -1);
         ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
         ctx.restore();
        }
       },
       paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
        var imgData = this.objs.get(objId);
        if (!imgData) {
         warn('Dependent image isn\'t ready yet');
         return;
        }
        this.paintInlineImageXObject(imgData);
       },
       paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
        var imgData = this.objs.get(objId);
        if (!imgData) {
         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 (imgData instanceof HTMLElement || !imgData.data) {
         imgToPaint = imgData;
        } else {
         tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
         var tmpCtx = tmpCanvas.context;
         putBinaryImageData(tmpCtx, imgData);
         imgToPaint = tmpCanvas.canvas;
        }
        var paintWidth = width, paintHeight = height;
        var tmpCanvasId = 'prescale1';
        while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
         var newWidth = paintWidth, newHeight = paintHeight;
         if (widthScale > 2 && paintWidth > 1) {
          newWidth = Math.ceil(paintWidth / 2);
          widthScale /= paintWidth / newWidth;
         }
         if (heightScale > 2 && paintHeight > 1) {
          newHeight = Math.ceil(paintHeight / 2);
          heightScale /= paintHeight / newHeight;
         }
         tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
         tmpCtx = tmpCanvas.context;
         tmpCtx.clearRect(0, 0, newWidth, newHeight);
         tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
         imgToPaint = tmpCanvas.canvas;
         paintWidth = newWidth;
         paintHeight = newHeight;
         tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
        }
        ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
        if (this.imageLayer) {
         var position = this.getCanvasPosition(0, -height);
         this.imageLayer.appendImage({
          imgData: imgData,
          left: position[0],
          top: position[1],
          width: width / currentTransform[0],
          height: height / currentTransform[3]
         });
        }
        this.restore();
       },
       paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
        var ctx = this.ctx;
        var w = imgData.width;
        var h = imgData.height;
        var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
        var tmpCtx = tmpCanvas.context;
        putBinaryImageData(tmpCtx, imgData);
        for (var i = 0, ii = map.length; i < ii; i++) {
         var entry = map[i];
         ctx.save();
         ctx.transform.apply(ctx, entry.transform);
         ctx.scale(1, -1);
         ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
         if (this.imageLayer) {
          var position = this.getCanvasPosition(entry.x, entry.y);
          this.imageLayer.appendImage({
           imgData: imgData,
           left: position[0],
           top: position[1],
           width: w,
           height: h
          });
         }
         ctx.restore();
        }
       },
       paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
        this.ctx.fillRect(0, 0, 1, 1);
       },
       paintXObject: function CanvasGraphics_paintXObject() {
        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) {
          if (ctx.mozFillRule !== undefined) {
           ctx.mozFillRule = 'evenodd';
           ctx.clip();
           ctx.mozFillRule = 'nonzero';
          } else {
           ctx.clip('evenodd');
          }
         } else {
          ctx.clip();
         }
         this.pendingClip = null;
        }
        ctx.beginPath();
       },
       getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
        if (this.cachedGetSinglePixelWidth === null) {
         this.ctx.save();
         var inverse = this.ctx.mozCurrentTransformInverse;
         this.ctx.restore();
         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 OPS) {
       CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
      }
      return CanvasGraphics;
     }();
     exports.CanvasGraphics = CanvasGraphics;
     exports.createScratchCanvas = createScratchCanvas;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayAPI = {}, root.pdfjsSharedUtil, root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils);
    }(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, displayMetadata, displayDOMUtils, amdRequire) {
     var InvalidPDFException = sharedUtil.InvalidPDFException;
     var MessageHandler = sharedUtil.MessageHandler;
     var MissingPDFException = sharedUtil.MissingPDFException;
     var PageViewport = sharedUtil.PageViewport;
     var PasswordResponses = sharedUtil.PasswordResponses;
     var PasswordException = sharedUtil.PasswordException;
     var StatTimer = sharedUtil.StatTimer;
     var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
     var UnknownErrorException = sharedUtil.UnknownErrorException;
     var Util = sharedUtil.Util;
     var createPromiseCapability = sharedUtil.createPromiseCapability;
     var error = sharedUtil.error;
     var deprecated = sharedUtil.deprecated;
     var getVerbosityLevel = sharedUtil.getVerbosityLevel;
     var info = sharedUtil.info;
     var isInt = sharedUtil.isInt;
     var isArray = sharedUtil.isArray;
     var isArrayBuffer = sharedUtil.isArrayBuffer;
     var isSameOrigin = sharedUtil.isSameOrigin;
     var loadJpegStream = sharedUtil.loadJpegStream;
     var stringToBytes = sharedUtil.stringToBytes;
     var globalScope = sharedUtil.globalScope;
     var warn = sharedUtil.warn;
     var FontFaceObject = displayFontLoader.FontFaceObject;
     var FontLoader = displayFontLoader.FontLoader;
     var CanvasGraphics = displayCanvas.CanvasGraphics;
     var createScratchCanvas = displayCanvas.createScratchCanvas;
     var Metadata = displayMetadata.Metadata;
     var getDefaultSetting = displayDOMUtils.getDefaultSetting;
     var DEFAULT_RANGE_CHUNK_SIZE = 65536;
     var isWorkerDisabled = false;
     var workerSrc;
     var isPostMessageTransfersDisabled = false;
     var fakeWorkerFilesLoader = null;
     var useRequireEnsure = false;
     if (typeof window === 'undefined') {
      isWorkerDisabled = true;
      if (typeof require.ensure === 'undefined') {
       require.ensure = require('node-ensure');
      }
      useRequireEnsure = true;
     }
     if (typeof __webpack_require__ !== 'undefined') {
      useRequireEnsure = true;
     }
     if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
      workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
     }
     var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
     fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
      require.ensure([], function () {
       var worker = require('./pdf.worker.js');
       callback(worker.WorkerMessageHandler);
      });
     } : dynamicLoaderSupported ? function (callback) {
      requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
       callback(worker.WorkerMessageHandler);
      });
     } : null;
     function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
      var task = new PDFDocumentLoadingTask();
      if (arguments.length > 1) {
       deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
      }
      if (pdfDataRangeTransport) {
       if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
        pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
        pdfDataRangeTransport.length = src.length;
        pdfDataRangeTransport.initialData = src.initialData;
        if (!pdfDataRangeTransport.abort) {
         pdfDataRangeTransport.abort = function () {
         };
        }
       }
       src = Object.create(src);
       src.range = pdfDataRangeTransport;
      }
      task.onPassword = passwordCallback || null;
      task.onProgress = progressCallback || null;
      var source;
      if (typeof src === 'string') {
       source = { url: src };
      } else if (isArrayBuffer(src)) {
       source = { data: src };
      } else if (src instanceof PDFDataRangeTransport) {
       source = { range: src };
      } else {
       if (typeof src !== 'object') {
        error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
       }
       if (!src.url && !src.data && !src.range) {
        error('Invalid parameter object: need either .data, .range or .url');
       }
       source = src;
      }
      var params = {};
      var rangeTransport = null;
      var worker = null;
      for (var 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)) {
        var pdfBytes = source[key];
        if (typeof pdfBytes === 'string') {
         params[key] = stringToBytes(pdfBytes);
        } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
         params[key] = new Uint8Array(pdfBytes);
        } else if (isArrayBuffer(pdfBytes)) {
         params[key] = new Uint8Array(pdfBytes);
        } else {
         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;
      if (!worker) {
       worker = new PDFWorker();
       task._worker = worker;
      }
      var docId = task.docId;
      worker.promise.then(function () {
       if (task.destroyed) {
        throw new Error('Loading aborted');
       }
       return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
        if (task.destroyed) {
         throw new Error('Loading aborted');
        }
        var messageHandler = new MessageHandler(docId, workerId, worker.port);
        var transport = new WorkerTransport(messageHandler, task, rangeTransport);
        task._transport = transport;
        messageHandler.send('Ready', null);
       });
      }).catch(task._capability.reject);
      return task;
     }
     function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
      if (worker.destroyed) {
       return Promise.reject(new Error('Worker was destroyed'));
      }
      source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
      source.disableStream = getDefaultSetting('disableStream');
      source.chunkedViewerLoading = !!pdfDataRangeTransport;
      if (pdfDataRangeTransport) {
       source.length = pdfDataRangeTransport.length;
       source.initialData = pdfDataRangeTransport.initialData;
      }
      return worker.messageHandler.sendWithPromise('GetDocRequest', {
       docId: docId,
       source: source,
       disableRange: getDefaultSetting('disableRange'),
       maxImageSize: getDefaultSetting('maxImageSize'),
       cMapUrl: getDefaultSetting('cMapUrl'),
       cMapPacked: getDefaultSetting('cMapPacked'),
       disableFontFace: getDefaultSetting('disableFontFace'),
       disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
       postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
       docBaseUrl: source.docBaseUrl
      }).then(function (workerId) {
       if (worker.destroyed) {
        throw new Error('Worker was destroyed');
       }
       return workerId;
      });
     }
     var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
      var nextDocumentId = 0;
      function PDFDocumentLoadingTask() {
       this._capability = createPromiseCapability();
       this._transport = null;
       this._worker = null;
       this.docId = 'd' + nextDocumentId++;
       this.destroyed = false;
       this.onPassword = null;
       this.onProgress = null;
       this.onUnsupportedFeature = null;
      }
      PDFDocumentLoadingTask.prototype = {
       get promise() {
        return this._capability.promise;
       },
       destroy: function () {
        this.destroyed = true;
        var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
        return transportDestroyed.then(function () {
         this._transport = null;
         if (this._worker) {
          this._worker.destroy();
          this._worker = null;
         }
        }.bind(this));
       },
       then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
        return this.promise.then.apply(this.promise, arguments);
       }
      };
      return PDFDocumentLoadingTask;
     }();
     var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
      function PDFDataRangeTransport(length, initialData) {
       this.length = length;
       this.initialData = initialData;
       this._rangeListeners = [];
       this._progressListeners = [];
       this._progressiveReadListeners = [];
       this._readyCapability = createPromiseCapability();
      }
      PDFDataRangeTransport.prototype = {
       addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
        this._rangeListeners.push(listener);
       },
       addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
        this._progressListeners.push(listener);
       },
       addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
        this._progressiveReadListeners.push(listener);
       },
       onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
        var listeners = this._rangeListeners;
        for (var i = 0, n = listeners.length; i < n; ++i) {
         listeners[i](begin, chunk);
        }
       },
       onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
        this._readyCapability.promise.then(function () {
         var listeners = this._progressListeners;
         for (var i = 0, n = listeners.length; i < n; ++i) {
          listeners[i](loaded);
         }
        }.bind(this));
       },
       onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
        this._readyCapability.promise.then(function () {
         var listeners = this._progressiveReadListeners;
         for (var i = 0, n = listeners.length; i < n; ++i) {
          listeners[i](chunk);
         }
        }.bind(this));
       },
       transportReady: function PDFDataRangeTransport_transportReady() {
        this._readyCapability.resolve();
       },
       requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
        throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
       },
       abort: function PDFDataRangeTransport_abort() {
       }
      };
      return PDFDataRangeTransport;
     }();
     var PDFDocumentProxy = function PDFDocumentProxyClosure() {
      function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
       this.pdfInfo = pdfInfo;
       this.transport = transport;
       this.loadingTask = loadingTask;
      }
      PDFDocumentProxy.prototype = {
       get numPages() {
        return this.pdfInfo.numPages;
       },
       get fingerprint() {
        return this.pdfInfo.fingerprint;
       },
       getPage: function PDFDocumentProxy_getPage(pageNumber) {
        return this.transport.getPage(pageNumber);
       },
       getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
        return this.transport.getPageIndex(ref);
       },
       getDestinations: function PDFDocumentProxy_getDestinations() {
        return this.transport.getDestinations();
       },
       getDestination: function PDFDocumentProxy_getDestination(id) {
        return this.transport.getDestination(id);
       },
       getPageLabels: function PDFDocumentProxy_getPageLabels() {
        return this.transport.getPageLabels();
       },
       getAttachments: function PDFDocumentProxy_getAttachments() {
        return this.transport.getAttachments();
       },
       getJavaScript: function PDFDocumentProxy_getJavaScript() {
        return this.transport.getJavaScript();
       },
       getOutline: function PDFDocumentProxy_getOutline() {
        return this.transport.getOutline();
       },
       getMetadata: function PDFDocumentProxy_getMetadata() {
        return this.transport.getMetadata();
       },
       getData: function PDFDocumentProxy_getData() {
        return this.transport.getData();
       },
       getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
        return this.transport.downloadInfoCapability.promise;
       },
       getStats: function PDFDocumentProxy_getStats() {
        return this.transport.getStats();
       },
       cleanup: function PDFDocumentProxy_cleanup() {
        this.transport.startCleanup();
       },
       destroy: function PDFDocumentProxy_destroy() {
        return this.loadingTask.destroy();
       }
      };
      return PDFDocumentProxy;
     }();
     var PDFPageProxy = function PDFPageProxyClosure() {
      function PDFPageProxy(pageIndex, pageInfo, transport) {
       this.pageIndex = pageIndex;
       this.pageInfo = pageInfo;
       this.transport = transport;
       this.stats = new StatTimer();
       this.stats.enabled = getDefaultSetting('enableStats');
       this.commonObjs = transport.commonObjs;
       this.objs = new PDFObjects();
       this.cleanupAfterRender = false;
       this.pendingCleanup = false;
       this.intentStates = Object.create(null);
       this.destroyed = false;
      }
      PDFPageProxy.prototype = {
       get pageNumber() {
        return this.pageIndex + 1;
       },
       get rotate() {
        return this.pageInfo.rotate;
       },
       get ref() {
        return this.pageInfo.ref;
       },
       get userUnit() {
        return this.pageInfo.userUnit;
       },
       get view() {
        return this.pageInfo.view;
       },
       getViewport: function PDFPageProxy_getViewport(scale, rotate) {
        if (arguments.length < 2) {
         rotate = this.rotate;
        }
        return new PageViewport(this.view, scale, rotate, 0, 0);
       },
       getAnnotations: function PDFPageProxy_getAnnotations(params) {
        var intent = params && params.intent || null;
        if (!this.annotationsPromise || this.annotationsIntent !== intent) {
         this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
         this.annotationsIntent = intent;
        }
        return this.annotationsPromise;
       },
       render: function PDFPageProxy_render(params) {
        var stats = this.stats;
        stats.time('Overall');
        this.pendingCleanup = false;
        var renderingIntent = params.intent === 'print' ? 'print' : 'display';
        var renderInteractiveForms = params.renderInteractiveForms === true ? true : false;
        if (!this.intentStates[renderingIntent]) {
         this.intentStates[renderingIntent] = Object.create(null);
        }
        var intentState = this.intentStates[renderingIntent];
        if (!intentState.displayReadyCapability) {
         intentState.receivingOperatorList = true;
         intentState.displayReadyCapability = createPromiseCapability();
         intentState.operatorList = {
          fnArray: [],
          argsArray: [],
          lastChunk: false
         };
         this.stats.time('Page Request');
         this.transport.messageHandler.send('RenderPageRequest', {
          pageIndex: this.pageNumber - 1,
          intent: renderingIntent,
          renderInteractiveForms: renderInteractiveForms
         });
        }
        var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber);
        internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
        if (!intentState.renderTasks) {
         intentState.renderTasks = [];
        }
        intentState.renderTasks.push(internalRenderTask);
        var renderTask = internalRenderTask.task;
        if (params.continueCallback) {
         deprecated('render is used with continueCallback parameter');
         renderTask.onContinue = params.continueCallback;
        }
        var self = this;
        intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
         if (self.pendingCleanup) {
          complete();
          return;
         }
         stats.time('Rendering');
         internalRenderTask.initializeGraphics(transparency);
         internalRenderTask.operatorListChanged();
        }, function pageDisplayReadPromiseError(reason) {
         complete(reason);
        });
        function complete(error) {
         var i = intentState.renderTasks.indexOf(internalRenderTask);
         if (i >= 0) {
          intentState.renderTasks.splice(i, 1);
         }
         if (self.cleanupAfterRender) {
          self.pendingCleanup = true;
         }
         self._tryCleanup();
         if (error) {
          internalRenderTask.capability.reject(error);
         } else {
          internalRenderTask.capability.resolve();
         }
         stats.timeEnd('Rendering');
         stats.timeEnd('Overall');
        }
        return renderTask;
       },
       getOperatorList: function PDFPageProxy_getOperatorList() {
        function operatorListChanged() {
         if (intentState.operatorList.lastChunk) {
          intentState.opListReadCapability.resolve(intentState.operatorList);
          var i = intentState.renderTasks.indexOf(opListTask);
          if (i >= 0) {
           intentState.renderTasks.splice(i, 1);
          }
         }
        }
        var renderingIntent = 'oplist';
        if (!this.intentStates[renderingIntent]) {
         this.intentStates[renderingIntent] = Object.create(null);
        }
        var intentState = this.intentStates[renderingIntent];
        var opListTask;
        if (!intentState.opListReadCapability) {
         opListTask = {};
         opListTask.operatorListChanged = operatorListChanged;
         intentState.receivingOperatorList = true;
         intentState.opListReadCapability = createPromiseCapability();
         intentState.renderTasks = [];
         intentState.renderTasks.push(opListTask);
         intentState.operatorList = {
          fnArray: [],
          argsArray: [],
          lastChunk: false
         };
         this.transport.messageHandler.send('RenderPageRequest', {
          pageIndex: this.pageIndex,
          intent: renderingIntent
         });
        }
        return intentState.opListReadCapability.promise;
       },
       getTextContent: function PDFPageProxy_getTextContent(params) {
        return this.transport.messageHandler.sendWithPromise('GetTextContent', {
         pageIndex: this.pageNumber - 1,
         normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false,
         combineTextItems: params && params.disableCombineTextItems === true ? false : true
        });
       },
       _destroy: function PDFPageProxy_destroy() {
        this.destroyed = true;
        this.transport.pageCache[this.pageIndex] = null;
        var waitOn = [];
        Object.keys(this.intentStates).forEach(function (intent) {
         if (intent === 'oplist') {
          return;
         }
         var intentState = this.intentStates[intent];
         intentState.renderTasks.forEach(function (renderTask) {
          var renderCompleted = renderTask.capability.promise.catch(function () {
          });
          waitOn.push(renderCompleted);
          renderTask.cancel();
         });
        }, this);
        this.objs.clear();
        this.annotationsPromise = null;
        this.pendingCleanup = false;
        return Promise.all(waitOn);
       },
       destroy: function () {
        deprecated('page destroy method, use cleanup() instead');
        this.cleanup();
       },
       cleanup: function PDFPageProxy_cleanup() {
        this.pendingCleanup = true;
        this._tryCleanup();
       },
       _tryCleanup: function PDFPageProxy_tryCleanup() {
        if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
          var intentState = this.intentStates[intent];
          return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
         }, this)) {
         return;
        }
        Object.keys(this.intentStates).forEach(function (intent) {
         delete this.intentStates[intent];
        }, this);
        this.objs.clear();
        this.annotationsPromise = null;
        this.pendingCleanup = false;
       },
       _startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
        var intentState = this.intentStates[intent];
        if (intentState.displayReadyCapability) {
         intentState.displayReadyCapability.resolve(transparency);
        }
       },
       _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
        var intentState = this.intentStates[intent];
        var i, ii;
        for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
         intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
         intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
        }
        intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
        for (i = 0; i < intentState.renderTasks.length; i++) {
         intentState.renderTasks[i].operatorListChanged();
        }
        if (operatorListChunk.lastChunk) {
         intentState.receivingOperatorList = false;
         this._tryCleanup();
        }
       }
      };
      return PDFPageProxy;
     }();
     var PDFWorker = function PDFWorkerClosure() {
      var nextFakeWorkerId = 0;
      function getWorkerSrc() {
       if (typeof workerSrc !== 'undefined') {
        return workerSrc;
       }
       if (getDefaultSetting('workerSrc')) {
        return getDefaultSetting('workerSrc');
       }
       if (pdfjsFilePath) {
        return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
       }
       error('No PDFJS.workerSrc specified');
      }
      var fakeWorkerFilesLoadedCapability;
      function setupFakeWorkerGlobal() {
       var WorkerMessageHandler;
       if (fakeWorkerFilesLoadedCapability) {
        return fakeWorkerFilesLoadedCapability.promise;
       }
       fakeWorkerFilesLoadedCapability = createPromiseCapability();
       var loader = fakeWorkerFilesLoader || function (callback) {
        Util.loadScript(getWorkerSrc(), function () {
         callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
        });
       };
       loader(fakeWorkerFilesLoadedCapability.resolve);
       return fakeWorkerFilesLoadedCapability.promise;
      }
      function FakeWorkerPort(defer) {
       this._listeners = [];
       this._defer = defer;
       this._deferred = Promise.resolve(undefined);
      }
      FakeWorkerPort.prototype = {
       postMessage: function (obj, transfers) {
        function cloneValue(value) {
         if (typeof value !== 'object' || value === null) {
          return value;
         }
         if (cloned.has(value)) {
          return cloned.get(value);
         }
         var result;
         var buffer;
         if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
          var transferable = transfers && transfers.indexOf(buffer) >= 0;
          if (value === buffer) {
           result = value;
          } else if (transferable) {
           result = new value.constructor(buffer, value.byteOffset, value.byteLength);
          } else {
           result = new value.constructor(value);
          }
          cloned.set(value, result);
          return result;
         }
         result = isArray(value) ? [] : {};
         cloned.set(value, result);
         for (var i in value) {
          var desc, p = value;
          while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
           p = Object.getPrototypeOf(p);
          }
          if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
           continue;
          }
          result[i] = cloneValue(desc.value);
         }
         return result;
        }
        if (!this._defer) {
         this._listeners.forEach(function (listener) {
          listener.call(this, { data: obj });
         }, this);
         return;
        }
        var cloned = new WeakMap();
        var e = { data: cloneValue(obj) };
        this._deferred.then(function () {
         this._listeners.forEach(function (listener) {
          listener.call(this, e);
         }, this);
        }.bind(this));
       },
       addEventListener: function (name, listener) {
        this._listeners.push(listener);
       },
       removeEventListener: function (name, listener) {
        var i = this._listeners.indexOf(listener);
        this._listeners.splice(i, 1);
       },
       terminate: function () {
        this._listeners = [];
       }
      };
      function createCDNWrapper(url) {
       var wrapper = 'importScripts(\'' + url + '\');';
       return URL.createObjectURL(new Blob([wrapper]));
      }
      function PDFWorker(name) {
       this.name = name;
       this.destroyed = false;
       this._readyCapability = createPromiseCapability();
       this._port = null;
       this._webWorker = null;
       this._messageHandler = null;
       this._initialize();
      }
      PDFWorker.prototype = {
       get promise() {
        return this._readyCapability.promise;
       },
       get port() {
        return this._port;
       },
       get messageHandler() {
        return this._messageHandler;
       },
       _initialize: function PDFWorker_initialize() {
        if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
         var workerSrc = getWorkerSrc();
         try {
          if (!isSameOrigin(window.location.href, workerSrc)) {
           workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
          }
          var worker = new Worker(workerSrc);
          var messageHandler = new MessageHandler('main', 'worker', worker);
          var terminateEarly = function () {
           worker.removeEventListener('error', onWorkerError);
           messageHandler.destroy();
           worker.terminate();
           if (this.destroyed) {
            this._readyCapability.reject(new Error('Worker was destroyed'));
           } else {
            this._setupFakeWorker();
           }
          }.bind(this);
          var onWorkerError = function (event) {
           if (!this._webWorker) {
            terminateEarly();
           }
          }.bind(this);
          worker.addEventListener('error', onWorkerError);
          messageHandler.on('test', function PDFWorker_test(data) {
           worker.removeEventListener('error', onWorkerError);
           if (this.destroyed) {
            terminateEarly();
            return;
           }
           var supportTypedArray = data && data.supportTypedArray;
           if (supportTypedArray) {
            this._messageHandler = messageHandler;
            this._port = worker;
            this._webWorker = worker;
            if (!data.supportTransfers) {
             isPostMessageTransfersDisabled = true;
            }
            this._readyCapability.resolve();
            messageHandler.send('configure', { verbosity: getVerbosityLevel() });
           } else {
            this._setupFakeWorker();
            messageHandler.destroy();
            worker.terminate();
           }
          }.bind(this));
          messageHandler.on('console_log', function (data) {
           console.log.apply(console, data);
          });
          messageHandler.on('console_error', function (data) {
           console.error.apply(console, data);
          });
          messageHandler.on('ready', function (data) {
           worker.removeEventListener('error', onWorkerError);
           if (this.destroyed) {
            terminateEarly();
            return;
           }
           try {
            sendTest();
           } catch (e) {
            this._setupFakeWorker();
           }
          }.bind(this));
          var sendTest = function () {
           var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
           var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
           try {
            messageHandler.send('test', testObj, [testObj.buffer]);
           } catch (ex) {
            info('Cannot use postMessage transfers');
            testObj[0] = 0;
            messageHandler.send('test', testObj);
           }
          };
          sendTest();
          return;
         } catch (e) {
          info('The worker has been disabled.');
         }
        }
        this._setupFakeWorker();
       },
       _setupFakeWorker: function PDFWorker_setupFakeWorker() {
        if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
         warn('Setting up fake worker.');
         isWorkerDisabled = true;
        }
        setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
         if (this.destroyed) {
          this._readyCapability.reject(new Error('Worker was destroyed'));
          return;
         }
         var isTypedArraysPresent = Uint8Array !== Float32Array;
         var port = new FakeWorkerPort(isTypedArraysPresent);
         this._port = port;
         var id = 'fake' + nextFakeWorkerId++;
         var workerHandler = new MessageHandler(id + '_worker', id, port);
         WorkerMessageHandler.setup(workerHandler, port);
         var messageHandler = new MessageHandler(id, id + '_worker', port);
         this._messageHandler = messageHandler;
         this._readyCapability.resolve();
        }.bind(this));
       },
       destroy: function PDFWorker_destroy() {
        this.destroyed = true;
        if (this._webWorker) {
         this._webWorker.terminate();
         this._webWorker = null;
        }
        this._port = null;
        if (this._messageHandler) {
         this._messageHandler.destroy();
         this._messageHandler = null;
        }
       }
      };
      return PDFWorker;
     }();
     var WorkerTransport = function WorkerTransportClosure() {
      function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
       this.messageHandler = messageHandler;
       this.loadingTask = loadingTask;
       this.pdfDataRangeTransport = pdfDataRangeTransport;
       this.commonObjs = new PDFObjects();
       this.fontLoader = new FontLoader(loadingTask.docId);
       this.destroyed = false;
       this.destroyCapability = null;
       this.pageCache = [];
       this.pagePromises = [];
       this.downloadInfoCapability = createPromiseCapability();
       this.setupMessageHandler();
      }
      WorkerTransport.prototype = {
       destroy: function WorkerTransport_destroy() {
        if (this.destroyCapability) {
         return this.destroyCapability.promise;
        }
        this.destroyed = true;
        this.destroyCapability = createPromiseCapability();
        var waitOn = [];
        this.pageCache.forEach(function (page) {
         if (page) {
          waitOn.push(page._destroy());
         }
        });
        this.pageCache = [];
        this.pagePromises = [];
        var self = this;
        var terminated = this.messageHandler.sendWithPromise('Terminate', null);
        waitOn.push(terminated);
        Promise.all(waitOn).then(function () {
         self.fontLoader.clear();
         if (self.pdfDataRangeTransport) {
          self.pdfDataRangeTransport.abort();
          self.pdfDataRangeTransport = null;
         }
         if (self.messageHandler) {
          self.messageHandler.destroy();
          self.messageHandler = null;
         }
         self.destroyCapability.resolve();
        }, this.destroyCapability.reject);
        return this.destroyCapability.promise;
       },
       setupMessageHandler: function WorkerTransport_setupMessageHandler() {
        var messageHandler = this.messageHandler;
        function updatePassword(password) {
         messageHandler.send('UpdatePassword', password);
        }
        var pdfDataRangeTransport = this.pdfDataRangeTransport;
        if (pdfDataRangeTransport) {
         pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
          messageHandler.send('OnDataRange', {
           begin: begin,
           chunk: chunk
          });
         });
         pdfDataRangeTransport.addProgressListener(function (loaded) {
          messageHandler.send('OnDataProgress', { loaded: loaded });
         });
         pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
          messageHandler.send('OnDataRange', { chunk: chunk });
         });
         messageHandler.on('RequestDataRange', function transportDataRange(data) {
          pdfDataRangeTransport.requestDataRange(data.begin, data.end);
         }, this);
        }
        messageHandler.on('GetDoc', function transportDoc(data) {
         var pdfInfo = data.pdfInfo;
         this.numPages = data.pdfInfo.numPages;
         var loadingTask = this.loadingTask;
         var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
         this.pdfDocument = pdfDocument;
         loadingTask._capability.resolve(pdfDocument);
        }, this);
        messageHandler.on('NeedPassword', function transportNeedPassword(exception) {
         var loadingTask = this.loadingTask;
         if (loadingTask.onPassword) {
          return loadingTask.onPassword(updatePassword, PasswordResponses.NEED_PASSWORD);
         }
         loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
        }, this);
        messageHandler.on('IncorrectPassword', function transportIncorrectPassword(exception) {
         var loadingTask = this.loadingTask;
         if (loadingTask.onPassword) {
          return loadingTask.onPassword(updatePassword, PasswordResponses.INCORRECT_PASSWORD);
         }
         loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
        }, this);
        messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
         this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
        }, this);
        messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
         this.loadingTask._capability.reject(new MissingPDFException(exception.message));
        }, this);
        messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
         this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
        }, this);
        messageHandler.on('UnknownError', function transportUnknownError(exception) {
         this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
        }, this);
        messageHandler.on('DataLoaded', function transportPage(data) {
         this.downloadInfoCapability.resolve(data);
        }, this);
        messageHandler.on('PDFManagerReady', function transportPage(data) {
         if (this.pdfDataRangeTransport) {
          this.pdfDataRangeTransport.transportReady();
         }
        }, this);
        messageHandler.on('StartRenderPage', function transportRender(data) {
         if (this.destroyed) {
          return;
         }
         var page = this.pageCache[data.pageIndex];
         page.stats.timeEnd('Page Request');
         page._startRenderPage(data.transparency, data.intent);
        }, this);
        messageHandler.on('RenderPageChunk', function transportRender(data) {
         if (this.destroyed) {
          return;
         }
         var page = this.pageCache[data.pageIndex];
         page._renderPageChunk(data.operatorList, data.intent);
        }, this);
        messageHandler.on('commonobj', function transportObj(data) {
         if (this.destroyed) {
          return;
         }
         var id = data[0];
         var type = data[1];
         if (this.commonObjs.hasData(id)) {
          return;
         }
         switch (type) {
         case 'Font':
          var exportedData = data[2];
          if ('error' in exportedData) {
           var exportedError = exportedData.error;
           warn('Error during font loading: ' + exportedError);
           this.commonObjs.resolve(id, exportedError);
           break;
          }
          var fontRegistry = null;
          if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
           fontRegistry = {
            registerFont: function (font, url) {
             globalScope['FontInspector'].fontAdded(font, url);
            }
           };
          }
          var font = new FontFaceObject(exportedData, {
           isEvalSuported: getDefaultSetting('isEvalSupported'),
           disableFontFace: getDefaultSetting('disableFontFace'),
           fontRegistry: fontRegistry
          });
          this.fontLoader.bind([font], function fontReady(fontObjs) {
           this.commonObjs.resolve(id, font);
          }.bind(this));
          break;
         case 'FontPath':
          this.commonObjs.resolve(id, data[2]);
          break;
         default:
          error('Got unknown common object type ' + type);
         }
        }, this);
        messageHandler.on('obj', function transportObj(data) {
         if (this.destroyed) {
          return;
         }
         var id = data[0];
         var pageIndex = data[1];
         var type = data[2];
         var pageProxy = this.pageCache[pageIndex];
         var imageData;
         if (pageProxy.objs.hasData(id)) {
          return;
         }
         switch (type) {
         case 'JpegStream':
          imageData = data[3];
          loadJpegStream(id, imageData, pageProxy.objs);
          break;
         case 'Image':
          imageData = data[3];
          pageProxy.objs.resolve(id, imageData);
          var MAX_IMAGE_SIZE_TO_STORE = 8000000;
          if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
           pageProxy.cleanupAfterRender = true;
          }
          break;
         default:
          error('Got unknown object type ' + type);
         }
        }, this);
        messageHandler.on('DocProgress', function transportDocProgress(data) {
         if (this.destroyed) {
          return;
         }
         var loadingTask = this.loadingTask;
         if (loadingTask.onProgress) {
          loadingTask.onProgress({
           loaded: data.loaded,
           total: data.total
          });
         }
        }, this);
        messageHandler.on('PageError', function transportError(data) {
         if (this.destroyed) {
          return;
         }
         var page = this.pageCache[data.pageNum - 1];
         var intentState = page.intentStates[data.intent];
         if (intentState.displayReadyCapability) {
          intentState.displayReadyCapability.reject(data.error);
         } else {
          error(data.error);
         }
         if (intentState.operatorList) {
          intentState.operatorList.lastChunk = true;
          for (var i = 0; i < intentState.renderTasks.length; i++) {
           intentState.renderTasks[i].operatorListChanged();
          }
         }
        }, this);
        messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
         if (this.destroyed) {
          return;
         }
         var featureId = data.featureId;
         var loadingTask = this.loadingTask;
         if (loadingTask.onUnsupportedFeature) {
          loadingTask.onUnsupportedFeature(featureId);
         }
         _UnsupportedManager.notify(featureId);
        }, this);
        messageHandler.on('JpegDecode', function (data) {
         if (this.destroyed) {
          return Promise.reject(new Error('Worker was destroyed'));
         }
         var imageUrl = data[0];
         var components = data[1];
         if (components !== 3 && components !== 1) {
          return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
         }
         return new Promise(function (resolve, reject) {
          var img = new Image();
          img.onload = function () {
           var width = img.width;
           var height = img.height;
           var size = width * height;
           var rgbaLength = size * 4;
           var buf = new Uint8Array(size * components);
           var tmpCanvas = createScratchCanvas(width, height);
           var tmpCtx = tmpCanvas.getContext('2d');
           tmpCtx.drawImage(img, 0, 0);
           var data = tmpCtx.getImageData(0, 0, width, height).data;
           var i, j;
           if (components === 3) {
            for (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 (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
             buf[j] = data[i];
            }
           }
           resolve({
            data: buf,
            width: width,
            height: height
           });
          };
          img.onerror = function () {
           reject(new Error('JpegDecode failed to load image'));
          };
          img.src = imageUrl;
         });
        }, this);
       },
       getData: function WorkerTransport_getData() {
        return this.messageHandler.sendWithPromise('GetData', null);
       },
       getPage: function WorkerTransport_getPage(pageNumber, capability) {
        if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
         return Promise.reject(new Error('Invalid page request'));
        }
        var pageIndex = pageNumber - 1;
        if (pageIndex in this.pagePromises) {
         return this.pagePromises[pageIndex];
        }
        var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
         if (this.destroyed) {
          throw new Error('Transport destroyed');
         }
         var page = new PDFPageProxy(pageIndex, pageInfo, this);
         this.pageCache[pageIndex] = page;
         return page;
        }.bind(this));
        this.pagePromises[pageIndex] = promise;
        return promise;
       },
       getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
        return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
         return Promise.reject(new Error(reason));
        });
       },
       getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
        return this.messageHandler.sendWithPromise('GetAnnotations', {
         pageIndex: pageIndex,
         intent: intent
        });
       },
       getDestinations: function WorkerTransport_getDestinations() {
        return this.messageHandler.sendWithPromise('GetDestinations', null);
       },
       getDestination: function WorkerTransport_getDestination(id) {
        return this.messageHandler.sendWithPromise('GetDestination', { id: id });
       },
       getPageLabels: function WorkerTransport_getPageLabels() {
        return this.messageHandler.sendWithPromise('GetPageLabels', null);
       },
       getAttachments: function WorkerTransport_getAttachments() {
        return this.messageHandler.sendWithPromise('GetAttachments', null);
       },
       getJavaScript: function WorkerTransport_getJavaScript() {
        return this.messageHandler.sendWithPromise('GetJavaScript', null);
       },
       getOutline: function WorkerTransport_getOutline() {
        return this.messageHandler.sendWithPromise('GetOutline', null);
       },
       getMetadata: function WorkerTransport_getMetadata() {
        return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
         return {
          info: results[0],
          metadata: results[1] ? new Metadata(results[1]) : null
         };
        });
       },
       getStats: function WorkerTransport_getStats() {
        return this.messageHandler.sendWithPromise('GetStats', null);
       },
       startCleanup: function WorkerTransport_startCleanup() {
        this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
         for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
          var page = this.pageCache[i];
          if (page) {
           page.cleanup();
          }
         }
         this.commonObjs.clear();
         this.fontLoader.clear();
        }.bind(this));
       }
      };
      return WorkerTransport;
     }();
     var PDFObjects = function PDFObjectsClosure() {
      function PDFObjects() {
       this.objs = Object.create(null);
      }
      PDFObjects.prototype = {
       ensureObj: function PDFObjects_ensureObj(objId) {
        if (this.objs[objId]) {
         return this.objs[objId];
        }
        var obj = {
         capability: createPromiseCapability(),
         data: null,
         resolved: false
        };
        this.objs[objId] = obj;
        return obj;
       },
       get: function PDFObjects_get(objId, callback) {
        if (callback) {
         this.ensureObj(objId).capability.promise.then(callback);
         return null;
        }
        var obj = this.objs[objId];
        if (!obj || !obj.resolved) {
         error('Requesting object that isn\'t resolved yet ' + objId);
        }
        return obj.data;
       },
       resolve: function PDFObjects_resolve(objId, data) {
        var obj = this.ensureObj(objId);
        obj.resolved = true;
        obj.data = data;
        obj.capability.resolve(data);
       },
       isResolved: function PDFObjects_isResolved(objId) {
        var objs = this.objs;
        if (!objs[objId]) {
         return false;
        } else {
         return objs[objId].resolved;
        }
       },
       hasData: function PDFObjects_hasData(objId) {
        return this.isResolved(objId);
       },
       getData: function PDFObjects_getData(objId) {
        var objs = this.objs;
        if (!objs[objId] || !objs[objId].resolved) {
         return null;
        } else {
         return objs[objId].data;
        }
       },
       clear: function PDFObjects_clear() {
        this.objs = Object.create(null);
       }
      };
      return PDFObjects;
     }();
     var RenderTask = function RenderTaskClosure() {
      function RenderTask(internalRenderTask) {
       this._internalRenderTask = internalRenderTask;
       this.onContinue = null;
      }
      RenderTask.prototype = {
       get promise() {
        return this._internalRenderTask.capability.promise;
       },
       cancel: function RenderTask_cancel() {
        this._internalRenderTask.cancel();
       },
       then: function RenderTask_then(onFulfilled, onRejected) {
        return this.promise.then.apply(this.promise, arguments);
       }
      };
      return RenderTask;
     }();
     var InternalRenderTask = function InternalRenderTaskClosure() {
      function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber) {
       this.callback = callback;
       this.params = params;
       this.objs = objs;
       this.commonObjs = commonObjs;
       this.operatorListIdx = null;
       this.operatorList = operatorList;
       this.pageNumber = pageNumber;
       this.running = false;
       this.graphicsReadyCallback = null;
       this.graphicsReady = false;
       this.useRequestAnimationFrame = false;
       this.cancelled = false;
       this.capability = createPromiseCapability();
       this.task = new RenderTask(this);
       this._continueBound = this._continue.bind(this);
       this._scheduleNextBound = this._scheduleNext.bind(this);
       this._nextBound = this._next.bind(this);
      }
      InternalRenderTask.prototype = {
       initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
        if (this.cancelled) {
         return;
        }
        if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
         this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
         this.stepper.init(this.operatorList);
         this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
        }
        var params = this.params;
        this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, params.imageLayer);
        this.gfx.beginDrawing(params.transform, params.viewport, transparency);
        this.operatorListIdx = 0;
        this.graphicsReady = true;
        if (this.graphicsReadyCallback) {
         this.graphicsReadyCallback();
        }
       },
       cancel: function InternalRenderTask_cancel() {
        this.running = false;
        this.cancelled = true;
        this.callback('cancelled');
       },
       operatorListChanged: function InternalRenderTask_operatorListChanged() {
        if (!this.graphicsReady) {
         if (!this.graphicsReadyCallback) {
          this.graphicsReadyCallback = this._continueBound;
         }
         return;
        }
        if (this.stepper) {
         this.stepper.updateOperatorList(this.operatorList);
        }
        if (this.running) {
         return;
        }
        this._continue();
       },
       _continue: function InternalRenderTask__continue() {
        this.running = true;
        if (this.cancelled) {
         return;
        }
        if (this.task.onContinue) {
         this.task.onContinue.call(this.task, this._scheduleNextBound);
        } else {
         this._scheduleNext();
        }
       },
       _scheduleNext: function InternalRenderTask__scheduleNext() {
        if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
         window.requestAnimationFrame(this._nextBound);
        } else {
         Promise.resolve(undefined).then(this._nextBound);
        }
       },
       _next: function InternalRenderTask__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();
          this.callback();
         }
        }
       }
      };
      return InternalRenderTask;
     }();
     var _UnsupportedManager = function UnsupportedManagerClosure() {
      var listeners = [];
      return {
       listen: function (cb) {
        deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
        listeners.push(cb);
       },
       notify: function (featureId) {
        for (var i = 0, ii = listeners.length; i < ii; i++) {
         listeners[i](featureId);
        }
       }
      };
     }();
     if (typeof pdfjsVersion !== 'undefined') {
      exports.version = pdfjsVersion;
     }
     if (typeof pdfjsBuild !== 'undefined') {
      exports.build = pdfjsBuild;
     }
     exports.getDocument = getDocument;
     exports.PDFDataRangeTransport = PDFDataRangeTransport;
     exports.PDFWorker = PDFWorker;
     exports.PDFDocumentProxy = PDFDocumentProxy;
     exports.PDFPageProxy = PDFPageProxy;
     exports._UnsupportedManager = _UnsupportedManager;
    }));
    (function (root, factory) {
     factory(root.pdfjsDisplayGlobal = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG);
    }(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, displayAnnotationLayer, displayTextLayer, displayMetadata, displaySVG) {
     var globalScope = sharedUtil.globalScope;
     var deprecated = sharedUtil.deprecated;
     var warn = sharedUtil.warn;
     var LinkTarget = displayDOMUtils.LinkTarget;
     var isWorker = typeof window === 'undefined';
     if (!globalScope.PDFJS) {
      globalScope.PDFJS = {};
     }
     var PDFJS = globalScope.PDFJS;
     if (typeof pdfjsVersion !== 'undefined') {
      PDFJS.version = pdfjsVersion;
     }
     if (typeof pdfjsBuild !== 'undefined') {
      PDFJS.build = pdfjsBuild;
     }
     PDFJS.pdfBug = false;
     if (PDFJS.verbosity !== undefined) {
      sharedUtil.setVerbosityLevel(PDFJS.verbosity);
     }
     delete PDFJS.verbosity;
     Object.defineProperty(PDFJS, 'verbosity', {
      get: function () {
       return sharedUtil.getVerbosityLevel();
      },
      set: function (level) {
       sharedUtil.setVerbosityLevel(level);
      },
      enumerable: true,
      configurable: true
     });
     PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
     PDFJS.OPS = sharedUtil.OPS;
     PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
     PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
     PDFJS.shadow = sharedUtil.shadow;
     PDFJS.createBlob = sharedUtil.createBlob;
     PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
      return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
     };
     Object.defineProperty(PDFJS, 'isLittleEndian', {
      configurable: true,
      get: function PDFJS_isLittleEndian() {
       var value = sharedUtil.isLittleEndian();
       return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
      }
     });
     PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
     PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
     PDFJS.PasswordException = sharedUtil.PasswordException;
     PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
     PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
     PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
     PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
     PDFJS.Util = sharedUtil.Util;
     PDFJS.PageViewport = sharedUtil.PageViewport;
     PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
     PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
     PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
     PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
     PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
     PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
     PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
     PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
     PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
     PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
     PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
     PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
     PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
     PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
     PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
     PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
     PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? 'noreferrer' : PDFJS.externalLinkRel;
     PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
     var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
     delete PDFJS.openExternalLinksInNewWindow;
     Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
      get: function () {
       return PDFJS.externalLinkTarget === LinkTarget.BLANK;
      },
      set: function (value) {
       if (value) {
        deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
       }
       if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
        warn('PDFJS.externalLinkTarget is already initialized');
        return;
       }
       PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
      },
      enumerable: true,
      configurable: true
     });
     if (savedOpenExternalLinksInNewWindow) {
      PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
     }
     PDFJS.getDocument = displayAPI.getDocument;
     PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
     PDFJS.PDFWorker = displayAPI.PDFWorker;
     Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
      configurable: true,
      get: function PDFJS_hasCanvasTypedArrays() {
       var value = displayDOMUtils.hasCanvasTypedArrays();
       return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
      }
     });
     PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
     PDFJS.LinkTarget = LinkTarget;
     PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
     PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
     PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
     PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
     PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
     PDFJS.Metadata = displayMetadata.Metadata;
     PDFJS.SVGGraphics = displaySVG.SVGGraphics;
     PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
     exports.globalScope = globalScope;
     exports.isWorker = isWorker;
     exports.PDFJS = globalScope.PDFJS;
    }));
   }.call(pdfjsLibs));
   exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS;
   exports.build = pdfjsLibs.pdfjsDisplayAPI.build;
   exports.version = pdfjsLibs.pdfjsDisplayAPI.version;
   exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument;
   exports.PDFDataRangeTransport = pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport;
   exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker;
   exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer;
   exports.AnnotationLayer = pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer;
   exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle;
   exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses;
   exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException;
   exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException;
   exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics;
   exports.UnexpectedResponseException = pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException;
   exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS;
   exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES;
   exports.isValidUrl = pdfjsLibs.pdfjsDisplayDOMUtils.isValidUrl;
   exports.createValidAbsoluteUrl = pdfjsLibs.pdfjsSharedUtil.createValidAbsoluteUrl;
   exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL;
   exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters;
   exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow;
   exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob;
   exports.getFilenameFromUrl = pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl;
   exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes;
  }));