/* 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 = '1.6.422';
var pdfjsBuild = 'aabfb77';
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._passwordCapability = 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();
     if (this._passwordCapability) {
      this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
     }
     var waitOn = [];
     this.pageCache.forEach(function (page) {
      if (page) {
       waitOn.push(page._destroy());
      }
     });
     this.pageCache = [];
     this.pagePromises = [];
     var 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;
     var loadingTask = this.loadingTask;
     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('PasswordRequest', function transportPasswordRequest(exception) {
      this._passwordCapability = createPromiseCapability();
      if (loadingTask.onPassword) {
       var updatePassword = function (password) {
        this._passwordCapability.resolve({ password: password });
       }.bind(this);
       loadingTask.onPassword(updatePassword, exception.code);
      } else {
       this._passwordCapability.reject(new PasswordException(exception.message, exception.code));
      }
      return this._passwordCapability.promise;
     }, this);
     messageHandler.on('PasswordException', function transportPasswordException(exception) {
      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;

}));