pdfjs-dist/legacy/image_decoders/pdf.image_decoders.js

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2022 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory);
	else if(typeof exports === 'object')
		exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory();
	else
		root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory();
})(this, function() {
return /******/ (() => { // webpackBootstrap
/******/ 	"use strict";
/******/ 	var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.StreamType = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.IsLittleEndianCached = exports.IsEvalSupportedCached = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
exports.arrayByteLength = arrayByteLength;
exports.arraysToBytes = arraysToBytes;
exports.assert = assert;
exports.bytesToString = bytesToString;
exports.createPromiseCapability = createPromiseCapability;
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
exports.escapeString = escapeString;
exports.getModificationDate = getModificationDate;
exports.getVerbosityLevel = getVerbosityLevel;
exports.info = info;
exports.isArrayBuffer = isArrayBuffer;
exports.isArrayEqual = isArrayEqual;
exports.isAscii = isAscii;
exports.isSameOrigin = isSameOrigin;
exports.objectFromMap = objectFromMap;
exports.objectSize = objectSize;
exports.setVerbosityLevel = setVerbosityLevel;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;
exports.stringToPDFString = stringToPDFString;
exports.stringToUTF16BEString = stringToUTF16BEString;
exports.stringToUTF8String = stringToUTF8String;
exports.unreachable = unreachable;
exports.utf8StringToString = utf8StringToString;
exports.warn = warn;

__w_pdfjs_require__(2);

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
var RenderingIntentFlag = {
  ANY: 0x01,
  DISPLAY: 0x02,
  PRINT: 0x04,
  ANNOTATIONS_FORMS: 0x10,
  ANNOTATIONS_STORAGE: 0x20,
  ANNOTATIONS_DISABLE: 0x40,
  OPLIST: 0x100
};
exports.RenderingIntentFlag = RenderingIntentFlag;
var AnnotationMode = {
  DISABLE: 0,
  ENABLE: 1,
  ENABLE_FORMS: 2,
  ENABLE_STORAGE: 3
};
exports.AnnotationMode = AnnotationMode;
var PermissionFlag = {
  PRINT: 0x04,
  MODIFY_CONTENTS: 0x08,
  COPY: 0x10,
  MODIFY_ANNOTATIONS: 0x20,
  FILL_INTERACTIVE_FORMS: 0x100,
  COPY_FOR_ACCESSIBILITY: 0x200,
  ASSEMBLE: 0x400,
  PRINT_HIGH_QUALITY: 0x800
};
exports.PermissionFlag = PermissionFlag;
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
};
exports.TextRenderingMode = TextRenderingMode;
var ImageKind = {
  GRAYSCALE_1BPP: 1,
  RGB_24BPP: 2,
  RGBA_32BPP: 3
};
exports.ImageKind = ImageKind;
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
};
exports.AnnotationType = AnnotationType;
var AnnotationStateModelType = {
  MARKED: "Marked",
  REVIEW: "Review"
};
exports.AnnotationStateModelType = AnnotationStateModelType;
var AnnotationMarkedState = {
  MARKED: "Marked",
  UNMARKED: "Unmarked"
};
exports.AnnotationMarkedState = AnnotationMarkedState;
var AnnotationReviewState = {
  ACCEPTED: "Accepted",
  REJECTED: "Rejected",
  CANCELLED: "Cancelled",
  COMPLETED: "Completed",
  NONE: "None"
};
exports.AnnotationReviewState = AnnotationReviewState;
var AnnotationReplyType = {
  GROUP: "Group",
  REPLY: "R"
};
exports.AnnotationReplyType = AnnotationReplyType;
var AnnotationFlag = {
  INVISIBLE: 0x01,
  HIDDEN: 0x02,
  PRINT: 0x04,
  NOZOOM: 0x08,
  NOROTATE: 0x10,
  NOVIEW: 0x20,
  READONLY: 0x40,
  LOCKED: 0x80,
  TOGGLENOVIEW: 0x100,
  LOCKEDCONTENTS: 0x200
};
exports.AnnotationFlag = AnnotationFlag;
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
};
exports.AnnotationFieldFlag = AnnotationFieldFlag;
var AnnotationBorderStyleType = {
  SOLID: 1,
  DASHED: 2,
  BEVELED: 3,
  INSET: 4,
  UNDERLINE: 5
};
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
var AnnotationActionEventType = {
  E: "Mouse Enter",
  X: "Mouse Exit",
  D: "Mouse Down",
  U: "Mouse Up",
  Fo: "Focus",
  Bl: "Blur",
  PO: "PageOpen",
  PC: "PageClose",
  PV: "PageVisible",
  PI: "PageInvisible",
  K: "Keystroke",
  F: "Format",
  V: "Validate",
  C: "Calculate"
};
exports.AnnotationActionEventType = AnnotationActionEventType;
var DocumentActionEventType = {
  WC: "WillClose",
  WS: "WillSave",
  DS: "DidSave",
  WP: "WillPrint",
  DP: "DidPrint"
};
exports.DocumentActionEventType = DocumentActionEventType;
var PageActionEventType = {
  O: "PageOpen",
  C: "PageClose"
};
exports.PageActionEventType = PageActionEventType;
var StreamType = {
  UNKNOWN: "UNKNOWN",
  FLATE: "FLATE",
  LZW: "LZW",
  DCT: "DCT",
  JPX: "JPX",
  JBIG: "JBIG",
  A85: "A85",
  AHX: "AHX",
  CCF: "CCF",
  RLX: "RLX"
};
exports.StreamType = StreamType;
var FontType = {
  UNKNOWN: "UNKNOWN",
  TYPE1: "TYPE1",
  TYPE1STANDARD: "TYPE1STANDARD",
  TYPE1C: "TYPE1C",
  CIDFONTTYPE0: "CIDFONTTYPE0",
  CIDFONTTYPE0C: "CIDFONTTYPE0C",
  TRUETYPE: "TRUETYPE",
  CIDFONTTYPE2: "CIDFONTTYPE2",
  TYPE3: "TYPE3",
  OPENTYPE: "OPENTYPE",
  TYPE0: "TYPE0",
  MMTYPE1: "MMTYPE1"
};
exports.FontType = FontType;
var VerbosityLevel = {
  ERRORS: 0,
  WARNINGS: 1,
  INFOS: 5
};
exports.VerbosityLevel = VerbosityLevel;
var CMapCompressionType = {
  NONE: 0,
  BINARY: 1,
  STREAM: 2
};
exports.CMapCompressionType = CMapCompressionType;
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
};
exports.OPS = OPS;
var UNSUPPORTED_FEATURES = {
  unknown: "unknown",
  forms: "forms",
  javaScript: "javaScript",
  signatures: "signatures",
  smask: "smask",
  shadingPattern: "shadingPattern",
  font: "font",
  errorTilingPattern: "errorTilingPattern",
  errorExtGState: "errorExtGState",
  errorXObject: "errorXObject",
  errorFontLoadType3: "errorFontLoadType3",
  errorFontState: "errorFontState",
  errorFontMissing: "errorFontMissing",
  errorFontTranslate: "errorFontTranslate",
  errorColorSpace: "errorColorSpace",
  errorOperatorList: "errorOperatorList",
  errorFontToUnicode: "errorFontToUnicode",
  errorFontLoadNative: "errorFontLoadNative",
  errorFontBuildPath: "errorFontBuildPath",
  errorFontGetPath: "errorFontGetPath",
  errorMarkedContent: "errorMarkedContent",
  errorContentSubStream: "errorContentSubStream"
};
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
var PasswordResponses = {
  NEED_PASSWORD: 1,
  INCORRECT_PASSWORD: 2
};
exports.PasswordResponses = PasswordResponses;
var verbosity = VerbosityLevel.WARNINGS;

function setVerbosityLevel(level) {
  if (Number.isInteger(level)) {
    verbosity = level;
  }
}

function getVerbosityLevel() {
  return verbosity;
}

function info(msg) {
  if (verbosity >= VerbosityLevel.INFOS) {
    console.log("Info: ".concat(msg));
  }
}

function warn(msg) {
  if (verbosity >= VerbosityLevel.WARNINGS) {
    console.log("Warning: ".concat(msg));
  }
}

function unreachable(msg) {
  throw new Error(msg);
}

function assert(cond, msg) {
  if (!cond) {
    unreachable(msg);
  }
}

function isSameOrigin(baseUrl, otherUrl) {
  var base;

  try {
    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) {
  var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

  if (!url) {
    return null;
  }

  try {
    if (options && typeof url === "string") {
      if (options.addDefaultProtocol && url.startsWith("www.")) {
        var dots = url.match(/\./g);

        if (dots && dots.length >= 2) {
          url = "http://".concat(url);
        }
      }

      if (options.tryConvertEncoding) {
        try {
          url = stringToUTF8String(url);
        } catch (ex) {}
      }
    }

    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;
}

var BaseException = function BaseExceptionClosure() {
  function BaseException(message, name) {
    if (this.constructor === BaseException) {
      unreachable("Cannot initialize BaseException.");
    }

    this.message = message;
    this.name = name;
  }

  BaseException.prototype = new Error();
  BaseException.constructor = BaseException;
  return BaseException;
}();

exports.BaseException = BaseException;

var PasswordException = /*#__PURE__*/function (_BaseException) {
  _inherits(PasswordException, _BaseException);

  var _super = _createSuper(PasswordException);

  function PasswordException(msg, code) {
    var _this;

    _classCallCheck(this, PasswordException);

    _this = _super.call(this, msg, "PasswordException");
    _this.code = code;
    return _this;
  }

  return _createClass(PasswordException);
}(BaseException);

exports.PasswordException = PasswordException;

var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
  _inherits(UnknownErrorException, _BaseException2);

  var _super2 = _createSuper(UnknownErrorException);

  function UnknownErrorException(msg, details) {
    var _this2;

    _classCallCheck(this, UnknownErrorException);

    _this2 = _super2.call(this, msg, "UnknownErrorException");
    _this2.details = details;
    return _this2;
  }

  return _createClass(UnknownErrorException);
}(BaseException);

exports.UnknownErrorException = UnknownErrorException;

var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
  _inherits(InvalidPDFException, _BaseException3);

  var _super3 = _createSuper(InvalidPDFException);

  function InvalidPDFException(msg) {
    _classCallCheck(this, InvalidPDFException);

    return _super3.call(this, msg, "InvalidPDFException");
  }

  return _createClass(InvalidPDFException);
}(BaseException);

exports.InvalidPDFException = InvalidPDFException;

var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
  _inherits(MissingPDFException, _BaseException4);

  var _super4 = _createSuper(MissingPDFException);

  function MissingPDFException(msg) {
    _classCallCheck(this, MissingPDFException);

    return _super4.call(this, msg, "MissingPDFException");
  }

  return _createClass(MissingPDFException);
}(BaseException);

exports.MissingPDFException = MissingPDFException;

var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
  _inherits(UnexpectedResponseException, _BaseException5);

  var _super5 = _createSuper(UnexpectedResponseException);

  function UnexpectedResponseException(msg, status) {
    var _this3;

    _classCallCheck(this, UnexpectedResponseException);

    _this3 = _super5.call(this, msg, "UnexpectedResponseException");
    _this3.status = status;
    return _this3;
  }

  return _createClass(UnexpectedResponseException);
}(BaseException);

exports.UnexpectedResponseException = UnexpectedResponseException;

var FormatError = /*#__PURE__*/function (_BaseException6) {
  _inherits(FormatError, _BaseException6);

  var _super6 = _createSuper(FormatError);

  function FormatError(msg) {
    _classCallCheck(this, FormatError);

    return _super6.call(this, msg, "FormatError");
  }

  return _createClass(FormatError);
}(BaseException);

exports.FormatError = FormatError;

var AbortException = /*#__PURE__*/function (_BaseException7) {
  _inherits(AbortException, _BaseException7);

  var _super7 = _createSuper(AbortException);

  function AbortException(msg) {
    _classCallCheck(this, AbortException);

    return _super7.call(this, msg, "AbortException");
  }

  return _createClass(AbortException);
}(BaseException);

exports.AbortException = AbortException;

function bytesToString(bytes) {
  if (_typeof(bytes) !== "object" || bytes === null || bytes.length === undefined) {
    unreachable("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) {
  if (typeof str !== "string") {
    unreachable("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;
  }

  if (arr.byteLength !== undefined) {
    return arr.byteLength;
  }

  unreachable("Invalid argument for arrayByteLength");
}

function arraysToBytes(arr) {
  var length = arr.length;

  if (length === 1 && arr[0] instanceof Uint8Array) {
    return arr[0];
  }

  var resultLength = 0;

  for (var i = 0; i < length; i++) {
    resultLength += arrayByteLength(arr[i]);
  }

  var pos = 0;
  var data = new Uint8Array(resultLength);

  for (var _i = 0; _i < length; _i++) {
    var item = arr[_i];

    if (!(item instanceof Uint8Array)) {
      if (typeof item === "string") {
        item = stringToBytes(item);
      } else {
        item = new Uint8Array(item);
      }
    }

    var 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 objectSize(obj) {
  return Object.keys(obj).length;
}

function objectFromMap(map) {
  var obj = Object.create(null);

  var _iterator = _createForOfIteratorHelper(map),
      _step;

  try {
    for (_iterator.s(); !(_step = _iterator.n()).done;) {
      var _step$value = _slicedToArray(_step.value, 2),
          key = _step$value[0],
          value = _step$value[1];

      obj[key] = value;
    }
  } catch (err) {
    _iterator.e(err);
  } finally {
    _iterator.f();
  }

  return obj;
}

function isLittleEndian() {
  var buffer8 = new Uint8Array(4);
  buffer8[0] = 1;
  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
  return view32[0] === 1;
}

var IsLittleEndianCached = {
  get value() {
    return shadow(this, "value", isLittleEndian());
  }

};
exports.IsLittleEndianCached = IsLittleEndianCached;

function isEvalSupported() {
  try {
    new Function("");
    return true;
  } catch (e) {
    return false;
  }
}

var IsEvalSupportedCached = {
  get value() {
    return shadow(this, "value", isEvalSupported());
  }

};
exports.IsEvalSupportedCached = IsEvalSupportedCached;

var hexNumbers = _toConsumableArray(Array(256).keys()).map(function (n) {
  return n.toString(16).padStart(2, "0");
});

var Util = /*#__PURE__*/function () {
  function Util() {
    _classCallCheck(this, Util);
  }

  _createClass(Util, null, [{
    key: "makeHexColor",
    value: function makeHexColor(r, g, b) {
      return "#".concat(hexNumbers[r]).concat(hexNumbers[g]).concat(hexNumbers[b]);
    }
  }, {
    key: "transform",
    value: function 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]];
    }
  }, {
    key: "applyTransform",
    value: function 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];
    }
  }, {
    key: "applyInverseTransform",
    value: function 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];
    }
  }, {
    key: "getAxialAlignedBoundingBox",
    value: function 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])];
    }
  }, {
    key: "inverseTransform",
    value: function 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];
    }
  }, {
    key: "apply3dTransform",
    value: function 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]];
    }
  }, {
    key: "singularValueDecompose2dScale",
    value: function 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(Math.pow(a + d, 2) - 4 * (a * d - c * b)) / 2;
      var sx = first + second || 1;
      var sy = first - second || 1;
      return [Math.sqrt(sx), Math.sqrt(sy)];
    }
  }, {
    key: "normalizeRect",
    value: function 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;
    }
  }, {
    key: "intersect",
    value: function intersect(rect1, rect2) {
      function compare(a, b) {
        return a - b;
      }

      var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
      var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
      var result = [];
      rect1 = Util.normalizeRect(rect1);
      rect2 = Util.normalizeRect(rect2);

      if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
        result[0] = orderedX[1];
        result[2] = orderedX[2];
      } else {
        return null;
      }

      if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
        result[1] = orderedY[1];
        result[3] = orderedY[2];
      } else {
        return null;
      }

      return result;
    }
  }, {
    key: "bezierBoundingBox",
    value: function bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
      var tvalues = [],
          bounds = [[], []];
      var a, b, c, t, t1, t2, b2ac, sqrtb2ac;

      for (var i = 0; i < 2; ++i) {
        if (i === 0) {
          b = 6 * x0 - 12 * x1 + 6 * x2;
          a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
          c = 3 * x1 - 3 * x0;
        } else {
          b = 6 * y0 - 12 * y1 + 6 * y2;
          a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
          c = 3 * y1 - 3 * y0;
        }

        if (Math.abs(a) < 1e-12) {
          if (Math.abs(b) < 1e-12) {
            continue;
          }

          t = -c / b;

          if (0 < t && t < 1) {
            tvalues.push(t);
          }

          continue;
        }

        b2ac = b * b - 4 * c * a;
        sqrtb2ac = Math.sqrt(b2ac);

        if (b2ac < 0) {
          continue;
        }

        t1 = (-b + sqrtb2ac) / (2 * a);

        if (0 < t1 && t1 < 1) {
          tvalues.push(t1);
        }

        t2 = (-b - sqrtb2ac) / (2 * a);

        if (0 < t2 && t2 < 1) {
          tvalues.push(t2);
        }
      }

      var j = tvalues.length,
          mt;
      var jlen = j;

      while (j--) {
        t = tvalues[j];
        mt = 1 - t;
        bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
        bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
      }

      bounds[0][jlen] = x0;
      bounds[1][jlen] = y0;
      bounds[0][jlen + 1] = x3;
      bounds[1][jlen + 1] = y3;
      bounds[0].length = bounds[1].length = jlen + 2;
      return [Math.min.apply(Math, _toConsumableArray(bounds[0])), Math.min.apply(Math, _toConsumableArray(bounds[1])), Math.max.apply(Math, _toConsumableArray(bounds[0])), Math.max.apply(Math, _toConsumableArray(bounds[1]))];
    }
  }]);

  return Util;
}();

exports.Util = Util;
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) {
  if (str[0] >= "\xEF") {
    var encoding;

    if (str[0] === "\xFE" && str[1] === "\xFF") {
      encoding = "utf-16be";
    } else if (str[0] === "\xFF" && str[1] === "\xFE") {
      encoding = "utf-16le";
    } else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
      encoding = "utf-8";
    }

    if (encoding) {
      try {
        var decoder = new TextDecoder(encoding, {
          fatal: true
        });
        var buffer = stringToBytes(str);
        return decoder.decode(buffer);
      } catch (ex) {
        warn("stringToPDFString: \"".concat(ex, "\"."));
      }
    }
  }

  var strBuf = [];

  for (var i = 0, ii = str.length; i < ii; i++) {
    var code = PDFStringTranslateTable[str.charCodeAt(i)];
    strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
  }

  return strBuf.join("");
}

function escapeString(str) {
  return str.replace(/([()\\\n\r])/g, function (match) {
    if (match === "\n") {
      return "\\n";
    } else if (match === "\r") {
      return "\\r";
    }

    return "\\".concat(match);
  });
}

function isAscii(str) {
  return /^[\x00-\x7F]*$/.test(str);
}

function stringToUTF16BEString(str) {
  var buf = ["\xFE\xFF"];

  for (var i = 0, ii = str.length; i < ii; i++) {
    var _char = str.charCodeAt(i);

    buf.push(String.fromCharCode(_char >> 8 & 0xff), String.fromCharCode(_char & 0xff));
  }

  return buf.join("");
}

function stringToUTF8String(str) {
  return decodeURIComponent(escape(str));
}

function utf8StringToString(str) {
  return unescape(encodeURIComponent(str));
}

function isArrayBuffer(v) {
  return _typeof(v) === "object" && v !== null && v.byteLength !== undefined;
}

function isArrayEqual(arr1, arr2) {
  if (arr1.length !== arr2.length) {
    return false;
  }

  for (var i = 0, ii = arr1.length; i < ii; i++) {
    if (arr1[i] !== arr2[i]) {
      return false;
    }
  }

  return true;
}

function getModificationDate() {
  var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date();
  var buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
  return buffer.join("");
}

function createPromiseCapability() {
  var capability = Object.create(null);
  var isSettled = false;
  Object.defineProperty(capability, "settled", {
    get: function get() {
      return isSettled;
    }
  });
  capability.promise = new Promise(function (resolve, reject) {
    capability.resolve = function (data) {
      isSettled = true;
      resolve(data);
    };

    capability.reject = function (reason) {
      isSettled = true;
      reject(reason);
    };
  });
  return capability;
}

/***/ }),
/* 2 */
/***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {



var _is_node = __w_pdfjs_require__(3);

if (!globalThis._pdfjsCompatibilityChecked) {
  globalThis._pdfjsCompatibilityChecked = true;

  (function checkNodeBtoa() {
    if (globalThis.btoa || !_is_node.isNodeJS) {
      return;
    }

    globalThis.btoa = function (chars) {
      return Buffer.from(chars, "binary").toString("base64");
    };
  })();

  (function checkNodeAtob() {
    if (globalThis.atob || !_is_node.isNodeJS) {
      return;
    }

    globalThis.atob = function (input) {
      return Buffer.from(input, "base64").toString("binary");
    };
  })();

  (function checkDOMMatrix() {
    if (globalThis.DOMMatrix || !_is_node.isNodeJS) {
      return;
    }

    globalThis.DOMMatrix = __w_pdfjs_require__(4);
  })();

  (function checkPromise() {})();

  (function checkReadableStream() {
    if (globalThis.ReadableStream || !_is_node.isNodeJS) {
      return;
    }

    globalThis.ReadableStream = require("web-streams-polyfill/dist/ponyfill.js").ReadableStream;
  })();

  (function checkStructuredClone() {})();
}

/***/ }),
/* 3 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.isNodeJS = void 0;

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
exports.isNodeJS = isNodeJS;

/***/ }),
/* 4 */
/***/ ((module, exports, __w_pdfjs_require__) => {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

(function (global, factory) {
  ( false ? 0 : _typeof(exports)) === 'object' && "object" !== 'undefined' ? module.exports = factory() :  true ? !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
		__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
		(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __w_pdfjs_require__, exports, module)) :
		__WEBPACK_AMD_DEFINE_FACTORY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)) : (0);
})(void 0, function () {
  'use strict';

  function fromArray(array) {
    var m = new CSSMatrix();
    var a = Array.from(array);

    if (!a.every(function (n) {
      return !Number.isNaN(n);
    })) {
      throw TypeError("CSSMatrix: \"" + array + "\" must only have numbers.");
    }

    if (a.length === 16) {
      var m11 = a[0];
      var m12 = a[1];
      var m13 = a[2];
      var m14 = a[3];
      var m21 = a[4];
      var m22 = a[5];
      var m23 = a[6];
      var m24 = a[7];
      var m31 = a[8];
      var m32 = a[9];
      var m33 = a[10];
      var m34 = a[11];
      var m41 = a[12];
      var m42 = a[13];
      var m43 = a[14];
      var m44 = a[15];
      m.m11 = m11;
      m.a = m11;
      m.m21 = m21;
      m.c = m21;
      m.m31 = m31;
      m.m41 = m41;
      m.e = m41;
      m.m12 = m12;
      m.b = m12;
      m.m22 = m22;
      m.d = m22;
      m.m32 = m32;
      m.m42 = m42;
      m.f = m42;
      m.m13 = m13;
      m.m23 = m23;
      m.m33 = m33;
      m.m43 = m43;
      m.m14 = m14;
      m.m24 = m24;
      m.m34 = m34;
      m.m44 = m44;
    } else if (a.length === 6) {
      var M11 = a[0];
      var M12 = a[1];
      var M21 = a[2];
      var M22 = a[3];
      var M41 = a[4];
      var M42 = a[5];
      m.m11 = M11;
      m.a = M11;
      m.m12 = M12;
      m.b = M12;
      m.m21 = M21;
      m.c = M21;
      m.m22 = M22;
      m.d = M22;
      m.m41 = M41;
      m.e = M41;
      m.m42 = M42;
      m.f = M42;
    } else {
      throw new TypeError('CSSMatrix: expecting an Array of 6/16 values.');
    }

    return m;
  }

  function fromMatrix(m) {
    var keys = Object.keys(new CSSMatrix());

    if (_typeof(m) === 'object' && keys.every(function (k) {
      return k in m;
    })) {
      return fromArray([m.m11, m.m12, m.m13, m.m14, m.m21, m.m22, m.m23, m.m24, m.m31, m.m32, m.m33, m.m34, m.m41, m.m42, m.m43, m.m44]);
    }

    throw TypeError("CSSMatrix: \"" + m + "\" is not a DOMMatrix / CSSMatrix / JSON compatible object.");
  }

  function fromString(source) {
    if (typeof source !== 'string') {
      throw TypeError("CSSMatrix: \"" + source + "\" is not a string.");
    }

    var str = String(source).replace(/\s/g, '');
    var m = new CSSMatrix();
    var invalidStringError = "CSSMatrix: invalid transform string \"" + source + "\"";
    str.split(')').filter(function (f) {
      return f;
    }).forEach(function (tf) {
      var ref = tf.split('(');
      var prop = ref[0];
      var value = ref[1];

      if (!value) {
        throw TypeError(invalidStringError);
      }

      var components = value.split(',').map(function (n) {
        return n.includes('rad') ? parseFloat(n) * (180 / Math.PI) : parseFloat(n);
      });
      var x = components[0];
      var y = components[1];
      var z = components[2];
      var a = components[3];
      var xyz = [x, y, z];
      var xyza = [x, y, z, a];

      if (prop === 'perspective' && x && [y, z].every(function (n) {
        return n === undefined;
      })) {
        m.m34 = -1 / x;
      } else if (prop.includes('matrix') && [6, 16].includes(components.length) && components.every(function (n) {
        return !Number.isNaN(+n);
      })) {
        var values = components.map(function (n) {
          return Math.abs(n) < 1e-6 ? 0 : n;
        });
        m = m.multiply(fromArray(values));
      } else if (prop === 'translate3d' && xyz.every(function (n) {
        return !Number.isNaN(+n);
      })) {
        m = m.translate(x, y, z);
      } else if (prop === 'translate' && x && z === undefined) {
        m = m.translate(x, y || 0, 0);
      } else if (prop === 'rotate3d' && xyza.every(function (n) {
        return !Number.isNaN(+n);
      }) && a) {
        m = m.rotateAxisAngle(x, y, z, a);
      } else if (prop === 'rotate' && x && [y, z].every(function (n) {
        return n === undefined;
      })) {
        m = m.rotate(0, 0, x);
      } else if (prop === 'scale3d' && xyz.every(function (n) {
        return !Number.isNaN(+n);
      }) && xyz.some(function (n) {
        return n !== 1;
      })) {
        m = m.scale(x, y, z);
      } else if (prop === 'scale' && !Number.isNaN(x) && x !== 1 && z === undefined) {
        var nosy = Number.isNaN(+y);
        var sy = nosy ? x : y;
        m = m.scale(x, sy, 1);
      } else if (prop === 'skew' && x && z === undefined) {
        m = m.skewX(x);
        m = y ? m.skewY(y) : m;
      } else if (/[XYZ]/.test(prop) && x && [y, z].every(function (n) {
        return n === undefined;
      }) && ['translate', 'rotate', 'scale', 'skew'].some(function (p) {
        return prop.includes(p);
      })) {
        if (['skewX', 'skewY'].includes(prop)) {
          m = m[prop](x);
        } else {
          var fn = prop.replace(/[XYZ]/, '');
          var axis = prop.replace(fn, '');
          var idx = ['X', 'Y', 'Z'].indexOf(axis);
          var axeValues = [idx === 0 ? x : 0, idx === 1 ? x : 0, idx === 2 ? x : 0];
          m = m[fn].apply(m, axeValues);
        }
      } else {
        throw TypeError(invalidStringError);
      }
    });
    return m;
  }

  function Translate(x, y, z) {
    var m = new CSSMatrix();
    m.m41 = x;
    m.e = x;
    m.m42 = y;
    m.f = y;
    m.m43 = z;
    return m;
  }

  function Rotate(rx, ry, rz) {
    var m = new CSSMatrix();
    var degToRad = Math.PI / 180;
    var radX = rx * degToRad;
    var radY = ry * degToRad;
    var radZ = rz * degToRad;
    var cosx = Math.cos(radX);
    var sinx = -Math.sin(radX);
    var cosy = Math.cos(radY);
    var siny = -Math.sin(radY);
    var cosz = Math.cos(radZ);
    var sinz = -Math.sin(radZ);
    var m11 = cosy * cosz;
    var m12 = -cosy * sinz;
    m.m11 = m11;
    m.a = m11;
    m.m12 = m12;
    m.b = m12;
    m.m13 = siny;
    var m21 = sinx * siny * cosz + cosx * sinz;
    m.m21 = m21;
    m.c = m21;
    var m22 = cosx * cosz - sinx * siny * sinz;
    m.m22 = m22;
    m.d = m22;
    m.m23 = -sinx * cosy;
    m.m31 = sinx * sinz - cosx * siny * cosz;
    m.m32 = sinx * cosz + cosx * siny * sinz;
    m.m33 = cosx * cosy;
    return m;
  }

  function RotateAxisAngle(x, y, z, alpha) {
    var m = new CSSMatrix();
    var angle = alpha * (Math.PI / 360);
    var sinA = Math.sin(angle);
    var cosA = Math.cos(angle);
    var sinA2 = sinA * sinA;
    var length = Math.sqrt(x * x + y * y + z * z);
    var X = x;
    var Y = y;
    var Z = z;

    if (length === 0) {
      X = 0;
      Y = 0;
      Z = 1;
    } else {
      X /= length;
      Y /= length;
      Z /= length;
    }

    var x2 = X * X;
    var y2 = Y * Y;
    var z2 = Z * Z;
    var m11 = 1 - 2 * (y2 + z2) * sinA2;
    m.m11 = m11;
    m.a = m11;
    var m12 = 2 * (X * Y * sinA2 + Z * sinA * cosA);
    m.m12 = m12;
    m.b = m12;
    m.m13 = 2 * (X * Z * sinA2 - Y * sinA * cosA);
    var m21 = 2 * (Y * X * sinA2 - Z * sinA * cosA);
    m.m21 = m21;
    m.c = m21;
    var m22 = 1 - 2 * (z2 + x2) * sinA2;
    m.m22 = m22;
    m.d = m22;
    m.m23 = 2 * (Y * Z * sinA2 + X * sinA * cosA);
    m.m31 = 2 * (Z * X * sinA2 + Y * sinA * cosA);
    m.m32 = 2 * (Z * Y * sinA2 - X * sinA * cosA);
    m.m33 = 1 - 2 * (x2 + y2) * sinA2;
    return m;
  }

  function Scale(x, y, z) {
    var m = new CSSMatrix();
    m.m11 = x;
    m.a = x;
    m.m22 = y;
    m.d = y;
    m.m33 = z;
    return m;
  }

  function SkewX(angle) {
    var m = new CSSMatrix();
    var radA = angle * Math.PI / 180;
    var t = Math.tan(radA);
    m.m21 = t;
    m.c = t;
    return m;
  }

  function SkewY(angle) {
    var m = new CSSMatrix();
    var radA = angle * Math.PI / 180;
    var t = Math.tan(radA);
    m.m12 = t;
    m.b = t;
    return m;
  }

  function Multiply(m1, m2) {
    var m11 = m2.m11 * m1.m11 + m2.m12 * m1.m21 + m2.m13 * m1.m31 + m2.m14 * m1.m41;
    var m12 = m2.m11 * m1.m12 + m2.m12 * m1.m22 + m2.m13 * m1.m32 + m2.m14 * m1.m42;
    var m13 = m2.m11 * m1.m13 + m2.m12 * m1.m23 + m2.m13 * m1.m33 + m2.m14 * m1.m43;
    var m14 = m2.m11 * m1.m14 + m2.m12 * m1.m24 + m2.m13 * m1.m34 + m2.m14 * m1.m44;
    var m21 = m2.m21 * m1.m11 + m2.m22 * m1.m21 + m2.m23 * m1.m31 + m2.m24 * m1.m41;
    var m22 = m2.m21 * m1.m12 + m2.m22 * m1.m22 + m2.m23 * m1.m32 + m2.m24 * m1.m42;
    var m23 = m2.m21 * m1.m13 + m2.m22 * m1.m23 + m2.m23 * m1.m33 + m2.m24 * m1.m43;
    var m24 = m2.m21 * m1.m14 + m2.m22 * m1.m24 + m2.m23 * m1.m34 + m2.m24 * m1.m44;
    var m31 = m2.m31 * m1.m11 + m2.m32 * m1.m21 + m2.m33 * m1.m31 + m2.m34 * m1.m41;
    var m32 = m2.m31 * m1.m12 + m2.m32 * m1.m22 + m2.m33 * m1.m32 + m2.m34 * m1.m42;
    var m33 = m2.m31 * m1.m13 + m2.m32 * m1.m23 + m2.m33 * m1.m33 + m2.m34 * m1.m43;
    var m34 = m2.m31 * m1.m14 + m2.m32 * m1.m24 + m2.m33 * m1.m34 + m2.m34 * m1.m44;
    var m41 = m2.m41 * m1.m11 + m2.m42 * m1.m21 + m2.m43 * m1.m31 + m2.m44 * m1.m41;
    var m42 = m2.m41 * m1.m12 + m2.m42 * m1.m22 + m2.m43 * m1.m32 + m2.m44 * m1.m42;
    var m43 = m2.m41 * m1.m13 + m2.m42 * m1.m23 + m2.m43 * m1.m33 + m2.m44 * m1.m43;
    var m44 = m2.m41 * m1.m14 + m2.m42 * m1.m24 + m2.m43 * m1.m34 + m2.m44 * m1.m44;
    return fromArray([m11, m12, m13, m14, m21, m22, m23, m24, m31, m32, m33, m34, m41, m42, m43, m44]);
  }

  var CSSMatrix = function CSSMatrix() {
    var args = [],
        len = arguments.length;

    while (len--) {
      args[len] = arguments[len];
    }

    var m = this;
    m.a = 1;
    m.b = 0;
    m.c = 0;
    m.d = 1;
    m.e = 0;
    m.f = 0;
    m.m11 = 1;
    m.m12 = 0;
    m.m13 = 0;
    m.m14 = 0;
    m.m21 = 0;
    m.m22 = 1;
    m.m23 = 0;
    m.m24 = 0;
    m.m31 = 0;
    m.m32 = 0;
    m.m33 = 1;
    m.m34 = 0;
    m.m41 = 0;
    m.m42 = 0;
    m.m43 = 0;
    m.m44 = 1;

    if (args && args.length) {
      var ARGS = [16, 6].some(function (l) {
        return l === args.length;
      }) ? args : args[0];
      return m.setMatrixValue(ARGS);
    }

    return m;
  };

  var prototypeAccessors = {
    isIdentity: {
      configurable: true
    },
    is2D: {
      configurable: true
    }
  };

  prototypeAccessors.isIdentity.set = function (value) {
    this.isIdentity = value;
  };

  prototypeAccessors.isIdentity.get = function () {
    var m = this;
    return m.m11 === 1 && m.m12 === 0 && m.m13 === 0 && m.m14 === 0 && m.m21 === 0 && m.m22 === 1 && m.m23 === 0 && m.m24 === 0 && m.m31 === 0 && m.m32 === 0 && m.m33 === 1 && m.m34 === 0 && m.m41 === 0 && m.m42 === 0 && m.m43 === 0 && m.m44 === 1;
  };

  prototypeAccessors.is2D.get = function () {
    var m = this;
    return m.m31 === 0 && m.m32 === 0 && m.m33 === 1 && m.m34 === 0 && m.m43 === 0 && m.m44 === 1;
  };

  prototypeAccessors.is2D.set = function (value) {
    this.is2D = value;
  };

  CSSMatrix.prototype.setMatrixValue = function setMatrixValue(source) {
    var m = this;

    if ([Array, Float64Array, Float32Array].some(function (a) {
      return source instanceof a;
    })) {
      return fromArray(source);
    }

    if (typeof source === 'string' && source.length && source !== 'none') {
      return fromString(source);
    }

    if (_typeof(source) === 'object') {
      return fromMatrix(source);
    }

    return m;
  };

  CSSMatrix.prototype.toArray = function toArray() {
    var m = this;
    var pow = Math.pow(10, 6);
    var result;

    if (m.is2D) {
      result = [m.a, m.b, m.c, m.d, m.e, m.f];
    } else {
      result = [m.m11, m.m12, m.m13, m.m14, m.m21, m.m22, m.m23, m.m24, m.m31, m.m32, m.m33, m.m34, m.m41, m.m42, m.m43, m.m44];
    }

    return result.map(function (n) {
      return Math.abs(n) < 1e-6 ? 0 : (n * pow >> 0) / pow;
    });
  };

  CSSMatrix.prototype.toString = function toString() {
    var m = this;
    var values = m.toArray();
    var type = m.is2D ? 'matrix' : 'matrix3d';
    return type + "(" + values + ")";
  };

  CSSMatrix.prototype.toJSON = function toJSON() {
    var m = this;
    var is2D = m.is2D;
    var isIdentity = m.isIdentity;
    return Object.assign({}, m, {
      is2D: is2D,
      isIdentity: isIdentity
    });
  };

  CSSMatrix.prototype.multiply = function multiply(m2) {
    return Multiply(this, m2);
  };

  CSSMatrix.prototype.translate = function translate(x, y, z) {
    var X = x;
    var Y = y;
    var Z = z;

    if (Z === undefined) {
      Z = 0;
    }

    if (Y === undefined) {
      Y = 0;
    }

    return Multiply(this, Translate(X, Y, Z));
  };

  CSSMatrix.prototype.scale = function scale(x, y, z) {
    var X = x;
    var Y = y;
    var Z = z;

    if (Y === undefined) {
      Y = x;
    }

    if (Z === undefined) {
      Z = 1;
    }

    return Multiply(this, Scale(X, Y, Z));
  };

  CSSMatrix.prototype.rotate = function rotate(rx, ry, rz) {
    var RX = rx;
    var RY = ry;
    var RZ = rz;

    if (RY === undefined) {
      RY = 0;
    }

    if (RZ === undefined) {
      RZ = RX;
      RX = 0;
    }

    return Multiply(this, Rotate(RX, RY, RZ));
  };

  CSSMatrix.prototype.rotateAxisAngle = function rotateAxisAngle(x, y, z, angle) {
    if ([x, y, z, angle].some(function (n) {
      return Number.isNaN(n);
    })) {
      throw new TypeError('CSSMatrix: expecting 4 values');
    }

    return Multiply(this, RotateAxisAngle(x, y, z, angle));
  };

  CSSMatrix.prototype.skewX = function skewX(angle) {
    return Multiply(this, SkewX(angle));
  };

  CSSMatrix.prototype.skewY = function skewY(angle) {
    return Multiply(this, SkewY(angle));
  };

  CSSMatrix.prototype.transformPoint = function transformPoint(v) {
    var M = this;
    var m = Translate(v.x, v.y, v.z);
    m.m44 = v.w || 1;
    m = M.multiply(m);
    return {
      x: m.m41,
      y: m.m42,
      z: m.m43,
      w: m.m44
    };
  };

  CSSMatrix.prototype.transform = function transform(t) {
    var m = this;
    var x = m.m11 * t.x + m.m12 * t.y + m.m13 * t.z + m.m14 * t.w;
    var y = m.m21 * t.x + m.m22 * t.y + m.m23 * t.z + m.m24 * t.w;
    var z = m.m31 * t.x + m.m32 * t.y + m.m33 * t.z + m.m34 * t.w;
    var w = m.m41 * t.x + m.m42 * t.y + m.m43 * t.z + m.m44 * t.w;
    return {
      x: x / w,
      y: y / w,
      z: z / w,
      w: w
    };
  };

  Object.defineProperties(CSSMatrix.prototype, prototypeAccessors);
  Object.assign(CSSMatrix, {
    Translate: Translate,
    Rotate: Rotate,
    RotateAxisAngle: RotateAxisAngle,
    Scale: Scale,
    SkewX: SkewX,
    SkewY: SkewY,
    Multiply: Multiply,
    fromArray: fromArray,
    fromMatrix: fromMatrix,
    fromString: fromString
  });
  var version = "0.0.24";
  var Version = version;
  Object.assign(CSSMatrix, {
    Version: Version
  });
  return CSSMatrix;
});

/***/ }),
/* 5 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.Jbig2Image = void 0;

var _util = __w_pdfjs_require__(1);

var _core_utils = __w_pdfjs_require__(6);

var _arithmetic_decoder = __w_pdfjs_require__(11);

var _ccitt = __w_pdfjs_require__(12);

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var Jbig2Error = /*#__PURE__*/function (_BaseException) {
  _inherits(Jbig2Error, _BaseException);

  var _super = _createSuper(Jbig2Error);

  function Jbig2Error(msg) {
    _classCallCheck(this, Jbig2Error);

    return _super.call(this, "JBIG2 error: ".concat(msg), "Jbig2Error");
  }

  return _createClass(Jbig2Error);
}(_util.BaseException);

var ContextCache = /*#__PURE__*/function () {
  function ContextCache() {
    _classCallCheck(this, ContextCache);
  }

  _createClass(ContextCache, [{
    key: "getContexts",
    value: function getContexts(id) {
      if (id in this) {
        return this[id];
      }

      return this[id] = new Int8Array(1 << 16);
    }
  }]);

  return ContextCache;
}();

var DecodingContext = /*#__PURE__*/function () {
  function DecodingContext(data, start, end) {
    _classCallCheck(this, DecodingContext);

    this.data = data;
    this.start = start;
    this.end = end;
  }

  _createClass(DecodingContext, [{
    key: "decoder",
    get: function get() {
      var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
      return (0, _util.shadow)(this, "decoder", decoder);
    }
  }, {
    key: "contextCache",
    get: function get() {
      var cache = new ContextCache();
      return (0, _util.shadow)(this, "contextCache", cache);
    }
  }]);

  return DecodingContext;
}();

function decodeInteger(contextCache, procedure, decoder) {
  var contexts = contextCache.getContexts(procedure);
  var prev = 1;

  function readBits(length) {
    var v = 0;

    for (var i = 0; i < length; i++) {
      var bit = decoder.readBit(contexts, prev);
      prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
      v = v << 1 | bit;
    }

    return v >>> 0;
  }

  var sign = readBits(1);
  var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);

  if (sign === 0) {
    return value;
  } else if (value > 0) {
    return -value;
  }

  return null;
}

function decodeIAID(contextCache, decoder, codeLength) {
  var contexts = contextCache.getContexts("IAID");
  var prev = 1;

  for (var i = 0; i < codeLength; i++) {
    var bit = decoder.readBit(contexts, prev);
    prev = prev << 1 | bit;
  }

  if (codeLength < 31) {
    return prev & (1 << codeLength) - 1;
  }

  return prev & 0x7fffffff;
}

var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
var CodingTemplates = [[{
  x: -1,
  y: -2
}, {
  x: 0,
  y: -2
}, {
  x: 1,
  y: -2
}, {
  x: -2,
  y: -1
}, {
  x: -1,
  y: -1
}, {
  x: 0,
  y: -1
}, {
  x: 1,
  y: -1
}, {
  x: 2,
  y: -1
}, {
  x: -4,
  y: 0
}, {
  x: -3,
  y: 0
}, {
  x: -2,
  y: 0
}, {
  x: -1,
  y: 0
}], [{
  x: -1,
  y: -2
}, {
  x: 0,
  y: -2
}, {
  x: 1,
  y: -2
}, {
  x: 2,
  y: -2
}, {
  x: -2,
  y: -1
}, {
  x: -1,
  y: -1
}, {
  x: 0,
  y: -1
}, {
  x: 1,
  y: -1
}, {
  x: 2,
  y: -1
}, {
  x: -3,
  y: 0
}, {
  x: -2,
  y: 0
}, {
  x: -1,
  y: 0
}], [{
  x: -1,
  y: -2
}, {
  x: 0,
  y: -2
}, {
  x: 1,
  y: -2
}, {
  x: -2,
  y: -1
}, {
  x: -1,
  y: -1
}, {
  x: 0,
  y: -1
}, {
  x: 1,
  y: -1
}, {
  x: -2,
  y: 0
}, {
  x: -1,
  y: 0
}], [{
  x: -3,
  y: -1
}, {
  x: -2,
  y: -1
}, {
  x: -1,
  y: -1
}, {
  x: 0,
  y: -1
}, {
  x: 1,
  y: -1
}, {
  x: -4,
  y: 0
}, {
  x: -3,
  y: 0
}, {
  x: -2,
  y: 0
}, {
  x: -1,
  y: 0
}]];
var RefinementTemplates = [{
  coding: [{
    x: 0,
    y: -1
  }, {
    x: 1,
    y: -1
  }, {
    x: -1,
    y: 0
  }],
  reference: [{
    x: 0,
    y: -1
  }, {
    x: 1,
    y: -1
  }, {
    x: -1,
    y: 0
  }, {
    x: 0,
    y: 0
  }, {
    x: 1,
    y: 0
  }, {
    x: -1,
    y: 1
  }, {
    x: 0,
    y: 1
  }, {
    x: 1,
    y: 1
  }]
}, {
  coding: [{
    x: -1,
    y: -1
  }, {
    x: 0,
    y: -1
  }, {
    x: 1,
    y: -1
  }, {
    x: -1,
    y: 0
  }],
  reference: [{
    x: 0,
    y: -1
  }, {
    x: -1,
    y: 0
  }, {
    x: 0,
    y: 0
  }, {
    x: 1,
    y: 0
  }, {
    x: 0,
    y: 1
  }, {
    x: 1,
    y: 1
  }]
}];
var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
var RefinementReusedContexts = [0x0020, 0x0008];

function decodeBitmapTemplate0(width, height, decodingContext) {
  var decoder = decodingContext.decoder;
  var contexts = decodingContext.contextCache.getContexts("GB");
  var bitmap = [];
  var contextLabel, i, j, pixel, row, row1, row2;
  var OLD_PIXEL_MASK = 0x7bf7;

  for (i = 0; i < height; i++) {
    row = bitmap[i] = new Uint8Array(width);
    row1 = i < 1 ? row : bitmap[i - 1];
    row2 = i < 2 ? row : bitmap[i - 2];
    contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;

    for (j = 0; j < width; j++) {
      row[j] = pixel = decoder.readBit(contexts, contextLabel);
      contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
    }
  }

  return bitmap;
}

function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
  if (mmr) {
    var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
    return decodeMMRBitmap(input, width, height, false);
  }

  if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
    return decodeBitmapTemplate0(width, height, decodingContext);
  }

  var useskip = !!skip;
  var template = CodingTemplates[templateIndex].concat(at);
  template.sort(function (a, b) {
    return a.y - b.y || a.x - b.x;
  });
  var templateLength = template.length;
  var templateX = new Int8Array(templateLength);
  var templateY = new Int8Array(templateLength);
  var changingTemplateEntries = [];
  var reuseMask = 0,
      minX = 0,
      maxX = 0,
      minY = 0;
  var c, k;

  for (k = 0; k < templateLength; k++) {
    templateX[k] = template[k].x;
    templateY[k] = template[k].y;
    minX = Math.min(minX, template[k].x);
    maxX = Math.max(maxX, template[k].x);
    minY = Math.min(minY, template[k].y);

    if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
      reuseMask |= 1 << templateLength - 1 - k;
    } else {
      changingTemplateEntries.push(k);
    }
  }

  var changingEntriesLength = changingTemplateEntries.length;
  var changingTemplateX = new Int8Array(changingEntriesLength);
  var changingTemplateY = new Int8Array(changingEntriesLength);
  var changingTemplateBit = new Uint16Array(changingEntriesLength);

  for (c = 0; c < changingEntriesLength; c++) {
    k = changingTemplateEntries[c];
    changingTemplateX[c] = template[k].x;
    changingTemplateY[c] = template[k].y;
    changingTemplateBit[c] = 1 << templateLength - 1 - k;
  }

  var sbb_left = -minX;
  var sbb_top = -minY;
  var sbb_right = width - maxX;
  var pseudoPixelContext = ReusedContexts[templateIndex];
  var row = new Uint8Array(width);
  var bitmap = [];
  var decoder = decodingContext.decoder;
  var contexts = decodingContext.contextCache.getContexts("GB");
  var ltp = 0,
      j,
      i0,
      j0,
      contextLabel = 0,
      bit,
      shift;

  for (var i = 0; i < height; i++) {
    if (prediction) {
      var sltp = decoder.readBit(contexts, pseudoPixelContext);
      ltp ^= sltp;

      if (ltp) {
        bitmap.push(row);
        continue;
      }
    }

    row = new Uint8Array(row);
    bitmap.push(row);

    for (j = 0; j < width; j++) {
      if (useskip && skip[i][j]) {
        row[j] = 0;
        continue;
      }

      if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
        contextLabel = contextLabel << 1 & reuseMask;

        for (k = 0; k < changingEntriesLength; k++) {
          i0 = i + changingTemplateY[k];
          j0 = j + changingTemplateX[k];
          bit = bitmap[i0][j0];

          if (bit) {
            bit = changingTemplateBit[k];
            contextLabel |= bit;
          }
        }
      } else {
        contextLabel = 0;
        shift = templateLength - 1;

        for (k = 0; k < templateLength; k++, shift--) {
          j0 = j + templateX[k];

          if (j0 >= 0 && j0 < width) {
            i0 = i + templateY[k];

            if (i0 >= 0) {
              bit = bitmap[i0][j0];

              if (bit) {
                contextLabel |= bit << shift;
              }
            }
          }
        }
      }

      var pixel = decoder.readBit(contexts, contextLabel);
      row[j] = pixel;
    }
  }

  return bitmap;
}

function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
  var codingTemplate = RefinementTemplates[templateIndex].coding;

  if (templateIndex === 0) {
    codingTemplate = codingTemplate.concat([at[0]]);
  }

  var codingTemplateLength = codingTemplate.length;
  var codingTemplateX = new Int32Array(codingTemplateLength);
  var codingTemplateY = new Int32Array(codingTemplateLength);
  var k;

  for (k = 0; k < codingTemplateLength; k++) {
    codingTemplateX[k] = codingTemplate[k].x;
    codingTemplateY[k] = codingTemplate[k].y;
  }

  var referenceTemplate = RefinementTemplates[templateIndex].reference;

  if (templateIndex === 0) {
    referenceTemplate = referenceTemplate.concat([at[1]]);
  }

  var referenceTemplateLength = referenceTemplate.length;
  var referenceTemplateX = new Int32Array(referenceTemplateLength);
  var referenceTemplateY = new Int32Array(referenceTemplateLength);

  for (k = 0; k < referenceTemplateLength; k++) {
    referenceTemplateX[k] = referenceTemplate[k].x;
    referenceTemplateY[k] = referenceTemplate[k].y;
  }

  var referenceWidth = referenceBitmap[0].length;
  var referenceHeight = referenceBitmap.length;
  var pseudoPixelContext = RefinementReusedContexts[templateIndex];
  var bitmap = [];
  var decoder = decodingContext.decoder;
  var contexts = decodingContext.contextCache.getContexts("GR");
  var ltp = 0;

  for (var i = 0; i < height; i++) {
    if (prediction) {
      var sltp = decoder.readBit(contexts, pseudoPixelContext);
      ltp ^= sltp;

      if (ltp) {
        throw new Jbig2Error("prediction is not supported");
      }
    }

    var row = new Uint8Array(width);
    bitmap.push(row);

    for (var j = 0; j < width; j++) {
      var i0 = void 0,
          j0 = void 0;
      var contextLabel = 0;

      for (k = 0; k < codingTemplateLength; k++) {
        i0 = i + codingTemplateY[k];
        j0 = j + codingTemplateX[k];

        if (i0 < 0 || j0 < 0 || j0 >= width) {
          contextLabel <<= 1;
        } else {
          contextLabel = contextLabel << 1 | bitmap[i0][j0];
        }
      }

      for (k = 0; k < referenceTemplateLength; k++) {
        i0 = i + referenceTemplateY[k] - offsetY;
        j0 = j + referenceTemplateX[k] - offsetX;

        if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
          contextLabel <<= 1;
        } else {
          contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
        }
      }

      var pixel = decoder.readBit(contexts, contextLabel);
      row[j] = pixel;
    }
  }

  return bitmap;
}

function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
  if (huffman && refinement) {
    throw new Jbig2Error("symbol refinement with Huffman is not supported");
  }

  var newSymbols = [];
  var currentHeight = 0;
  var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
  var decoder = decodingContext.decoder;
  var contextCache = decodingContext.contextCache;
  var tableB1, symbolWidths;

  if (huffman) {
    tableB1 = getStandardTable(1);
    symbolWidths = [];
    symbolCodeLength = Math.max(symbolCodeLength, 1);
  }

  while (newSymbols.length < numberOfNewSymbols) {
    var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
    currentHeight += deltaHeight;
    var currentWidth = 0,
        totalWidth = 0;
    var firstSymbol = huffman ? symbolWidths.length : 0;

    while (true) {
      var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);

      if (deltaWidth === null) {
        break;
      }

      currentWidth += deltaWidth;
      totalWidth += currentWidth;
      var bitmap = void 0;

      if (refinement) {
        var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);

        if (numberOfInstances > 1) {
          bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
        } else {
          var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
          var rdx = decodeInteger(contextCache, "IARDX", decoder);
          var rdy = decodeInteger(contextCache, "IARDY", decoder);
          var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
          bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
        }

        newSymbols.push(bitmap);
      } else if (huffman) {
        symbolWidths.push(currentWidth);
      } else {
        bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
        newSymbols.push(bitmap);
      }
    }

    if (huffman && !refinement) {
      var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
      huffmanInput.byteAlign();
      var collectiveBitmap = void 0;

      if (bitmapSize === 0) {
        collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
      } else {
        var originalEnd = huffmanInput.end;
        var bitmapEnd = huffmanInput.position + bitmapSize;
        huffmanInput.end = bitmapEnd;
        collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
        huffmanInput.end = originalEnd;
        huffmanInput.position = bitmapEnd;
      }

      var numberOfSymbolsDecoded = symbolWidths.length;

      if (firstSymbol === numberOfSymbolsDecoded - 1) {
        newSymbols.push(collectiveBitmap);
      } else {
        var _i = void 0,
            y = void 0,
            xMin = 0,
            xMax = void 0,
            bitmapWidth = void 0,
            symbolBitmap = void 0;

        for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) {
          bitmapWidth = symbolWidths[_i];
          xMax = xMin + bitmapWidth;
          symbolBitmap = [];

          for (y = 0; y < currentHeight; y++) {
            symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
          }

          newSymbols.push(symbolBitmap);
          xMin = xMax;
        }
      }
    }
  }

  var exportedSymbols = [],
      flags = [];
  var currentFlag = false,
      i,
      ii;
  var totalSymbolsLength = symbols.length + numberOfNewSymbols;

  while (flags.length < totalSymbolsLength) {
    var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);

    while (runLength--) {
      flags.push(currentFlag);
    }

    currentFlag = !currentFlag;
  }

  for (i = 0, ii = symbols.length; i < ii; i++) {
    if (flags[i]) {
      exportedSymbols.push(symbols[i]);
    }
  }

  for (var j = 0; j < numberOfNewSymbols; i++, j++) {
    if (flags[i]) {
      exportedSymbols.push(newSymbols[j]);
    }
  }

  return exportedSymbols;
}

function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
  if (huffman && refinement) {
    throw new Jbig2Error("refinement with Huffman is not supported");
  }

  var bitmap = [];
  var i, row;

  for (i = 0; i < height; i++) {
    row = new Uint8Array(width);

    if (defaultPixelValue) {
      for (var j = 0; j < width; j++) {
        row[j] = defaultPixelValue;
      }
    }

    bitmap.push(row);
  }

  var decoder = decodingContext.decoder;
  var contextCache = decodingContext.contextCache;
  var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
  var firstS = 0;
  i = 0;

  while (i < numberOfSymbolInstances) {
    var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
    stripT += deltaT;
    var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
    firstS += deltaFirstS;
    var currentS = firstS;

    do {
      var currentT = 0;

      if (stripSize > 1) {
        currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
      }

      var t = stripSize * stripT + currentT;
      var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
      var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
      var symbolBitmap = inputSymbols[symbolId];
      var symbolWidth = symbolBitmap[0].length;
      var symbolHeight = symbolBitmap.length;

      if (applyRefinement) {
        var rdw = decodeInteger(contextCache, "IARDW", decoder);
        var rdh = decodeInteger(contextCache, "IARDH", decoder);
        var rdx = decodeInteger(contextCache, "IARDX", decoder);
        var rdy = decodeInteger(contextCache, "IARDY", decoder);
        symbolWidth += rdw;
        symbolHeight += rdh;
        symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
      }

      var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
      var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
      var s2 = void 0,
          t2 = void 0,
          symbolRow = void 0;

      if (transposed) {
        for (s2 = 0; s2 < symbolHeight; s2++) {
          row = bitmap[offsetS + s2];

          if (!row) {
            continue;
          }

          symbolRow = symbolBitmap[s2];
          var maxWidth = Math.min(width - offsetT, symbolWidth);

          switch (combinationOperator) {
            case 0:
              for (t2 = 0; t2 < maxWidth; t2++) {
                row[offsetT + t2] |= symbolRow[t2];
              }

              break;

            case 2:
              for (t2 = 0; t2 < maxWidth; t2++) {
                row[offsetT + t2] ^= symbolRow[t2];
              }

              break;

            default:
              throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
          }
        }

        currentS += symbolHeight - 1;
      } else {
        for (t2 = 0; t2 < symbolHeight; t2++) {
          row = bitmap[offsetT + t2];

          if (!row) {
            continue;
          }

          symbolRow = symbolBitmap[t2];

          switch (combinationOperator) {
            case 0:
              for (s2 = 0; s2 < symbolWidth; s2++) {
                row[offsetS + s2] |= symbolRow[s2];
              }

              break;

            case 2:
              for (s2 = 0; s2 < symbolWidth; s2++) {
                row[offsetS + s2] ^= symbolRow[s2];
              }

              break;

            default:
              throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
          }
        }

        currentS += symbolWidth - 1;
      }

      i++;
      var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);

      if (deltaS === null) {
        break;
      }

      currentS += deltaS + dsOffset;
    } while (true);
  }

  return bitmap;
}

function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
  var at = [];

  if (!mmr) {
    at.push({
      x: -patternWidth,
      y: 0
    });

    if (template === 0) {
      at.push({
        x: -3,
        y: -1
      }, {
        x: 2,
        y: -2
      }, {
        x: -2,
        y: -2
      });
    }
  }

  var collectiveWidth = (maxPatternIndex + 1) * patternWidth;
  var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
  var patterns = [];

  for (var i = 0; i <= maxPatternIndex; i++) {
    var patternBitmap = [];
    var xMin = patternWidth * i;
    var xMax = xMin + patternWidth;

    for (var y = 0; y < patternHeight; y++) {
      patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
    }

    patterns.push(patternBitmap);
  }

  return patterns;
}

function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
  var skip = null;

  if (enableSkip) {
    throw new Jbig2Error("skip is not supported");
  }

  if (combinationOperator !== 0) {
    throw new Jbig2Error("operator \"".concat(combinationOperator, "\" is not supported in halftone region"));
  }

  var regionBitmap = [];
  var i, j, row;

  for (i = 0; i < regionHeight; i++) {
    row = new Uint8Array(regionWidth);

    if (defaultPixelValue) {
      for (j = 0; j < regionWidth; j++) {
        row[j] = defaultPixelValue;
      }
    }

    regionBitmap.push(row);
  }

  var numberOfPatterns = patterns.length;
  var pattern0 = patterns[0];
  var patternWidth = pattern0[0].length,
      patternHeight = pattern0.length;
  var bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
  var at = [];

  if (!mmr) {
    at.push({
      x: template <= 1 ? 3 : 2,
      y: -1
    });

    if (template === 0) {
      at.push({
        x: -3,
        y: -1
      }, {
        x: 2,
        y: -2
      }, {
        x: -2,
        y: -2
      });
    }
  }

  var grayScaleBitPlanes = [];
  var mmrInput, bitmap;

  if (mmr) {
    mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
  }

  for (i = bitsPerValue - 1; i >= 0; i--) {
    if (mmr) {
      bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
    } else {
      bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
    }

    grayScaleBitPlanes[i] = bitmap;
  }

  var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;

  for (mg = 0; mg < gridHeight; mg++) {
    for (ng = 0; ng < gridWidth; ng++) {
      bit = 0;
      patternIndex = 0;

      for (j = bitsPerValue - 1; j >= 0; j--) {
        bit ^= grayScaleBitPlanes[j][mg][ng];
        patternIndex |= bit << j;
      }

      patternBitmap = patterns[patternIndex];
      x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
      y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;

      if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
        for (i = 0; i < patternHeight; i++) {
          regionRow = regionBitmap[y + i];
          patternRow = patternBitmap[i];

          for (j = 0; j < patternWidth; j++) {
            regionRow[x + j] |= patternRow[j];
          }
        }
      } else {
        var regionX = void 0,
            regionY = void 0;

        for (i = 0; i < patternHeight; i++) {
          regionY = y + i;

          if (regionY < 0 || regionY >= regionHeight) {
            continue;
          }

          regionRow = regionBitmap[regionY];
          patternRow = patternBitmap[i];

          for (j = 0; j < patternWidth; j++) {
            regionX = x + j;

            if (regionX >= 0 && regionX < regionWidth) {
              regionRow[regionX] |= patternRow[j];
            }
          }
        }
      }
    }
  }

  return regionBitmap;
}

function readSegmentHeader(data, start) {
  var segmentHeader = {};
  segmentHeader.number = (0, _core_utils.readUint32)(data, start);
  var flags = data[start + 4];
  var segmentType = flags & 0x3f;

  if (!SegmentTypes[segmentType]) {
    throw new Jbig2Error("invalid segment type: " + segmentType);
  }

  segmentHeader.type = segmentType;
  segmentHeader.typeName = SegmentTypes[segmentType];
  segmentHeader.deferredNonRetain = !!(flags & 0x80);
  var pageAssociationFieldSize = !!(flags & 0x40);
  var referredFlags = data[start + 5];
  var referredToCount = referredFlags >> 5 & 7;
  var retainBits = [referredFlags & 31];
  var position = start + 6;

  if (referredFlags === 7) {
    referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
    position += 3;
    var bytes = referredToCount + 7 >> 3;
    retainBits[0] = data[position++];

    while (--bytes > 0) {
      retainBits.push(data[position++]);
    }
  } else if (referredFlags === 5 || referredFlags === 6) {
    throw new Jbig2Error("invalid referred-to flags");
  }

  segmentHeader.retainBits = retainBits;
  var referredToSegmentNumberSize = 4;

  if (segmentHeader.number <= 256) {
    referredToSegmentNumberSize = 1;
  } else if (segmentHeader.number <= 65536) {
    referredToSegmentNumberSize = 2;
  }

  var referredTo = [];
  var i, ii;

  for (i = 0; i < referredToCount; i++) {
    var number = void 0;

    if (referredToSegmentNumberSize === 1) {
      number = data[position];
    } else if (referredToSegmentNumberSize === 2) {
      number = (0, _core_utils.readUint16)(data, position);
    } else {
      number = (0, _core_utils.readUint32)(data, position);
    }

    referredTo.push(number);
    position += referredToSegmentNumberSize;
  }

  segmentHeader.referredTo = referredTo;

  if (!pageAssociationFieldSize) {
    segmentHeader.pageAssociation = data[position++];
  } else {
    segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
    position += 4;
  }

  segmentHeader.length = (0, _core_utils.readUint32)(data, position);
  position += 4;

  if (segmentHeader.length === 0xffffffff) {
    if (segmentType === 38) {
      var genericRegionInfo = readRegionSegmentInformation(data, position);
      var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
      var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
      var searchPatternLength = 6;
      var searchPattern = new Uint8Array(searchPatternLength);

      if (!genericRegionMmr) {
        searchPattern[0] = 0xff;
        searchPattern[1] = 0xac;
      }

      searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
      searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
      searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
      searchPattern[5] = genericRegionInfo.height & 0xff;

      for (i = position, ii = data.length; i < ii; i++) {
        var j = 0;

        while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
          j++;
        }

        if (j === searchPatternLength) {
          segmentHeader.length = i + searchPatternLength;
          break;
        }
      }

      if (segmentHeader.length === 0xffffffff) {
        throw new Jbig2Error("segment end was not found");
      }
    } else {
      throw new Jbig2Error("invalid unknown segment length");
    }
  }

  segmentHeader.headerEnd = position;
  return segmentHeader;
}

function readSegments(header, data, start, end) {
  var segments = [];
  var position = start;

  while (position < end) {
    var segmentHeader = readSegmentHeader(data, position);
    position = segmentHeader.headerEnd;
    var segment = {
      header: segmentHeader,
      data: data
    };

    if (!header.randomAccess) {
      segment.start = position;
      position += segmentHeader.length;
      segment.end = position;
    }

    segments.push(segment);

    if (segmentHeader.type === 51) {
      break;
    }
  }

  if (header.randomAccess) {
    for (var i = 0, ii = segments.length; i < ii; i++) {
      segments[i].start = position;
      position += segments[i].header.length;
      segments[i].end = position;
    }
  }

  return segments;
}

function readRegionSegmentInformation(data, start) {
  return {
    width: (0, _core_utils.readUint32)(data, start),
    height: (0, _core_utils.readUint32)(data, start + 4),
    x: (0, _core_utils.readUint32)(data, start + 8),
    y: (0, _core_utils.readUint32)(data, start + 12),
    combinationOperator: data[start + 16] & 7
  };
}

var RegionSegmentInformationFieldLength = 17;

function processSegment(segment, visitor) {
  var header = segment.header;
  var data = segment.data,
      end = segment.end;
  var position = segment.start;
  var args, at, i, atLength;

  switch (header.type) {
    case 0:
      var dictionary = {};
      var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
      dictionary.huffman = !!(dictionaryFlags & 1);
      dictionary.refinement = !!(dictionaryFlags & 2);
      dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
      dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
      dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
      dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
      dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
      dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
      dictionary.template = dictionaryFlags >> 10 & 3;
      dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
      position += 2;

      if (!dictionary.huffman) {
        atLength = dictionary.template === 0 ? 4 : 1;
        at = [];

        for (i = 0; i < atLength; i++) {
          at.push({
            x: (0, _core_utils.readInt8)(data, position),
            y: (0, _core_utils.readInt8)(data, position + 1)
          });
          position += 2;
        }

        dictionary.at = at;
      }

      if (dictionary.refinement && !dictionary.refinementTemplate) {
        at = [];

        for (i = 0; i < 2; i++) {
          at.push({
            x: (0, _core_utils.readInt8)(data, position),
            y: (0, _core_utils.readInt8)(data, position + 1)
          });
          position += 2;
        }

        dictionary.refinementAt = at;
      }

      dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
      position += 4;
      dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
      position += 4;
      args = [dictionary, header.number, header.referredTo, data, position, end];
      break;

    case 6:
    case 7:
      var textRegion = {};
      textRegion.info = readRegionSegmentInformation(data, position);
      position += RegionSegmentInformationFieldLength;
      var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
      position += 2;
      textRegion.huffman = !!(textRegionSegmentFlags & 1);
      textRegion.refinement = !!(textRegionSegmentFlags & 2);
      textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
      textRegion.stripSize = 1 << textRegion.logStripSize;
      textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
      textRegion.transposed = !!(textRegionSegmentFlags & 64);
      textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
      textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
      textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
      textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;

      if (textRegion.huffman) {
        var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
        position += 2;
        textRegion.huffmanFS = textRegionHuffmanFlags & 3;
        textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
        textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
        textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
        textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
        textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
        textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
        textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
      }

      if (textRegion.refinement && !textRegion.refinementTemplate) {
        at = [];

        for (i = 0; i < 2; i++) {
          at.push({
            x: (0, _core_utils.readInt8)(data, position),
            y: (0, _core_utils.readInt8)(data, position + 1)
          });
          position += 2;
        }

        textRegion.refinementAt = at;
      }

      textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
      position += 4;
      args = [textRegion, header.referredTo, data, position, end];
      break;

    case 16:
      var patternDictionary = {};
      var patternDictionaryFlags = data[position++];
      patternDictionary.mmr = !!(patternDictionaryFlags & 1);
      patternDictionary.template = patternDictionaryFlags >> 1 & 3;
      patternDictionary.patternWidth = data[position++];
      patternDictionary.patternHeight = data[position++];
      patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
      position += 4;
      args = [patternDictionary, header.number, data, position, end];
      break;

    case 22:
    case 23:
      var halftoneRegion = {};
      halftoneRegion.info = readRegionSegmentInformation(data, position);
      position += RegionSegmentInformationFieldLength;
      var halftoneRegionFlags = data[position++];
      halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
      halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
      halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
      halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
      halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
      halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
      position += 4;
      halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
      position += 4;
      halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
      position += 4;
      halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
      position += 4;
      halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
      position += 2;
      halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
      position += 2;
      args = [halftoneRegion, header.referredTo, data, position, end];
      break;

    case 38:
    case 39:
      var genericRegion = {};
      genericRegion.info = readRegionSegmentInformation(data, position);
      position += RegionSegmentInformationFieldLength;
      var genericRegionSegmentFlags = data[position++];
      genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
      genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
      genericRegion.prediction = !!(genericRegionSegmentFlags & 8);

      if (!genericRegion.mmr) {
        atLength = genericRegion.template === 0 ? 4 : 1;
        at = [];

        for (i = 0; i < atLength; i++) {
          at.push({
            x: (0, _core_utils.readInt8)(data, position),
            y: (0, _core_utils.readInt8)(data, position + 1)
          });
          position += 2;
        }

        genericRegion.at = at;
      }

      args = [genericRegion, data, position, end];
      break;

    case 48:
      var pageInfo = {
        width: (0, _core_utils.readUint32)(data, position),
        height: (0, _core_utils.readUint32)(data, position + 4),
        resolutionX: (0, _core_utils.readUint32)(data, position + 8),
        resolutionY: (0, _core_utils.readUint32)(data, position + 12)
      };

      if (pageInfo.height === 0xffffffff) {
        delete pageInfo.height;
      }

      var pageSegmentFlags = data[position + 16];
      (0, _core_utils.readUint16)(data, position + 17);
      pageInfo.lossless = !!(pageSegmentFlags & 1);
      pageInfo.refinement = !!(pageSegmentFlags & 2);
      pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
      pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
      pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
      pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
      args = [pageInfo];
      break;

    case 49:
      break;

    case 50:
      break;

    case 51:
      break;

    case 53:
      args = [header.number, data, position, end];
      break;

    case 62:
      break;

    default:
      throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(header.type, ")") + " is not implemented");
  }

  var callbackName = "on" + header.typeName;

  if (callbackName in visitor) {
    visitor[callbackName].apply(visitor, args);
  }
}

function processSegments(segments, visitor) {
  for (var i = 0, ii = segments.length; i < ii; i++) {
    processSegment(segments[i], visitor);
  }
}

function parseJbig2Chunks(chunks) {
  var visitor = new SimpleSegmentVisitor();

  for (var i = 0, ii = chunks.length; i < ii; i++) {
    var chunk = chunks[i];
    var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
    processSegments(segments, visitor);
  }

  return visitor.buffer;
}

function parseJbig2(data) {
  var end = data.length;
  var position = 0;

  if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
    throw new Jbig2Error("parseJbig2 - invalid header.");
  }

  var header = Object.create(null);
  position += 8;
  var flags = data[position++];
  header.randomAccess = !(flags & 1);

  if (!(flags & 2)) {
    header.numberOfPages = (0, _core_utils.readUint32)(data, position);
    position += 4;
  }

  var segments = readSegments(header, data, position, end);
  var visitor = new SimpleSegmentVisitor();
  processSegments(segments, visitor);
  var _visitor$currentPageI = visitor.currentPageInfo,
      width = _visitor$currentPageI.width,
      height = _visitor$currentPageI.height;
  var bitPacked = visitor.buffer;
  var imgData = new Uint8ClampedArray(width * height);
  var q = 0,
      k = 0;

  for (var i = 0; i < height; i++) {
    var mask = 0,
        buffer = void 0;

    for (var j = 0; j < width; j++) {
      if (!mask) {
        mask = 128;
        buffer = bitPacked[k++];
      }

      imgData[q++] = buffer & mask ? 0 : 255;
      mask >>= 1;
    }
  }

  return {
    imgData: imgData,
    width: width,
    height: height
  };
}

var SimpleSegmentVisitor = /*#__PURE__*/function () {
  function SimpleSegmentVisitor() {
    _classCallCheck(this, SimpleSegmentVisitor);
  }

  _createClass(SimpleSegmentVisitor, [{
    key: "onPageInformation",
    value: function onPageInformation(info) {
      this.currentPageInfo = info;
      var rowSize = info.width + 7 >> 3;
      var buffer = new Uint8ClampedArray(rowSize * info.height);

      if (info.defaultPixelValue) {
        for (var i = 0, ii = buffer.length; i < ii; i++) {
          buffer[i] = 0xff;
        }
      }

      this.buffer = buffer;
    }
  }, {
    key: "drawBitmap",
    value: function drawBitmap(regionInfo, bitmap) {
      var pageInfo = this.currentPageInfo;
      var width = regionInfo.width,
          height = regionInfo.height;
      var rowSize = pageInfo.width + 7 >> 3;
      var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
      var buffer = this.buffer;
      var mask0 = 128 >> (regionInfo.x & 7);
      var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
      var i, j, mask, offset;

      switch (combinationOperator) {
        case 0:
          for (i = 0; i < height; i++) {
            mask = mask0;
            offset = offset0;

            for (j = 0; j < width; j++) {
              if (bitmap[i][j]) {
                buffer[offset] |= mask;
              }

              mask >>= 1;

              if (!mask) {
                mask = 128;
                offset++;
              }
            }

            offset0 += rowSize;
          }

          break;

        case 2:
          for (i = 0; i < height; i++) {
            mask = mask0;
            offset = offset0;

            for (j = 0; j < width; j++) {
              if (bitmap[i][j]) {
                buffer[offset] ^= mask;
              }

              mask >>= 1;

              if (!mask) {
                mask = 128;
                offset++;
              }
            }

            offset0 += rowSize;
          }

          break;

        default:
          throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
      }
    }
  }, {
    key: "onImmediateGenericRegion",
    value: function onImmediateGenericRegion(region, data, start, end) {
      var regionInfo = region.info;
      var decodingContext = new DecodingContext(data, start, end);
      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
      this.drawBitmap(regionInfo, bitmap);
    }
  }, {
    key: "onImmediateLosslessGenericRegion",
    value: function onImmediateLosslessGenericRegion() {
      this.onImmediateGenericRegion.apply(this, arguments);
    }
  }, {
    key: "onSymbolDictionary",
    value: function onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
      var huffmanTables, huffmanInput;

      if (dictionary.huffman) {
        huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
        huffmanInput = new Reader(data, start, end);
      }

      var symbols = this.symbols;

      if (!symbols) {
        this.symbols = symbols = {};
      }

      var inputSymbols = [];

      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
        var referredSymbols = symbols[referredSegments[i]];

        if (referredSymbols) {
          inputSymbols = inputSymbols.concat(referredSymbols);
        }
      }

      var decodingContext = new DecodingContext(data, start, end);
      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
    }
  }, {
    key: "onImmediateTextRegion",
    value: function onImmediateTextRegion(region, referredSegments, data, start, end) {
      var regionInfo = region.info;
      var huffmanTables, huffmanInput;
      var symbols = this.symbols;
      var inputSymbols = [];

      for (var i = 0, ii = referredSegments.length; i < ii; i++) {
        var referredSymbols = symbols[referredSegments[i]];

        if (referredSymbols) {
          inputSymbols = inputSymbols.concat(referredSymbols);
        }
      }

      var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);

      if (region.huffman) {
        huffmanInput = new Reader(data, start, end);
        huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
      }

      var decodingContext = new DecodingContext(data, start, end);
      var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
      this.drawBitmap(regionInfo, bitmap);
    }
  }, {
    key: "onImmediateLosslessTextRegion",
    value: function onImmediateLosslessTextRegion() {
      this.onImmediateTextRegion.apply(this, arguments);
    }
  }, {
    key: "onPatternDictionary",
    value: function onPatternDictionary(dictionary, currentSegment, data, start, end) {
      var patterns = this.patterns;

      if (!patterns) {
        this.patterns = patterns = {};
      }

      var decodingContext = new DecodingContext(data, start, end);
      patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
    }
  }, {
    key: "onImmediateHalftoneRegion",
    value: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
      var patterns = this.patterns[referredSegments[0]];
      var regionInfo = region.info;
      var decodingContext = new DecodingContext(data, start, end);
      var bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
      this.drawBitmap(regionInfo, bitmap);
    }
  }, {
    key: "onImmediateLosslessHalftoneRegion",
    value: function onImmediateLosslessHalftoneRegion() {
      this.onImmediateHalftoneRegion.apply(this, arguments);
    }
  }, {
    key: "onTables",
    value: function onTables(currentSegment, data, start, end) {
      var customTables = this.customTables;

      if (!customTables) {
        this.customTables = customTables = {};
      }

      customTables[currentSegment] = decodeTablesSegment(data, start, end);
    }
  }]);

  return SimpleSegmentVisitor;
}();

var HuffmanLine = /*#__PURE__*/_createClass(function HuffmanLine(lineData) {
  _classCallCheck(this, HuffmanLine);

  if (lineData.length === 2) {
    this.isOOB = true;
    this.rangeLow = 0;
    this.prefixLength = lineData[0];
    this.rangeLength = 0;
    this.prefixCode = lineData[1];
    this.isLowerRange = false;
  } else {
    this.isOOB = false;
    this.rangeLow = lineData[0];
    this.prefixLength = lineData[1];
    this.rangeLength = lineData[2];
    this.prefixCode = lineData[3];
    this.isLowerRange = lineData[4] === "lower";
  }
});

var HuffmanTreeNode = /*#__PURE__*/function () {
  function HuffmanTreeNode(line) {
    _classCallCheck(this, HuffmanTreeNode);

    this.children = [];

    if (line) {
      this.isLeaf = true;
      this.rangeLength = line.rangeLength;
      this.rangeLow = line.rangeLow;
      this.isLowerRange = line.isLowerRange;
      this.isOOB = line.isOOB;
    } else {
      this.isLeaf = false;
    }
  }

  _createClass(HuffmanTreeNode, [{
    key: "buildTree",
    value: function buildTree(line, shift) {
      var bit = line.prefixCode >> shift & 1;

      if (shift <= 0) {
        this.children[bit] = new HuffmanTreeNode(line);
      } else {
        var node = this.children[bit];

        if (!node) {
          this.children[bit] = node = new HuffmanTreeNode(null);
        }

        node.buildTree(line, shift - 1);
      }
    }
  }, {
    key: "decodeNode",
    value: function decodeNode(reader) {
      if (this.isLeaf) {
        if (this.isOOB) {
          return null;
        }

        var htOffset = reader.readBits(this.rangeLength);
        return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
      }

      var node = this.children[reader.readBit()];

      if (!node) {
        throw new Jbig2Error("invalid Huffman data");
      }

      return node.decodeNode(reader);
    }
  }]);

  return HuffmanTreeNode;
}();

var HuffmanTable = /*#__PURE__*/function () {
  function HuffmanTable(lines, prefixCodesDone) {
    _classCallCheck(this, HuffmanTable);

    if (!prefixCodesDone) {
      this.assignPrefixCodes(lines);
    }

    this.rootNode = new HuffmanTreeNode(null);

    for (var i = 0, ii = lines.length; i < ii; i++) {
      var line = lines[i];

      if (line.prefixLength > 0) {
        this.rootNode.buildTree(line, line.prefixLength - 1);
      }
    }
  }

  _createClass(HuffmanTable, [{
    key: "decode",
    value: function decode(reader) {
      return this.rootNode.decodeNode(reader);
    }
  }, {
    key: "assignPrefixCodes",
    value: function assignPrefixCodes(lines) {
      var linesLength = lines.length;
      var prefixLengthMax = 0;

      for (var i = 0; i < linesLength; i++) {
        prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
      }

      var histogram = new Uint32Array(prefixLengthMax + 1);

      for (var _i2 = 0; _i2 < linesLength; _i2++) {
        histogram[lines[_i2].prefixLength]++;
      }

      var currentLength = 1,
          firstCode = 0,
          currentCode,
          currentTemp,
          line;
      histogram[0] = 0;

      while (currentLength <= prefixLengthMax) {
        firstCode = firstCode + histogram[currentLength - 1] << 1;
        currentCode = firstCode;
        currentTemp = 0;

        while (currentTemp < linesLength) {
          line = lines[currentTemp];

          if (line.prefixLength === currentLength) {
            line.prefixCode = currentCode;
            currentCode++;
          }

          currentTemp++;
        }

        currentLength++;
      }
    }
  }]);

  return HuffmanTable;
}();

function decodeTablesSegment(data, start, end) {
  var flags = data[start];
  var lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
  var highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
  var reader = new Reader(data, start + 9, end);
  var prefixSizeBits = (flags >> 1 & 7) + 1;
  var rangeSizeBits = (flags >> 4 & 7) + 1;
  var lines = [];
  var prefixLength,
      rangeLength,
      currentRangeLow = lowestValue;

  do {
    prefixLength = reader.readBits(prefixSizeBits);
    rangeLength = reader.readBits(rangeSizeBits);
    lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
    currentRangeLow += 1 << rangeLength;
  } while (currentRangeLow < highestValue);

  prefixLength = reader.readBits(prefixSizeBits);
  lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
  prefixLength = reader.readBits(prefixSizeBits);
  lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));

  if (flags & 1) {
    prefixLength = reader.readBits(prefixSizeBits);
    lines.push(new HuffmanLine([prefixLength, 0]));
  }

  return new HuffmanTable(lines, false);
}

var standardTablesCache = {};

function getStandardTable(number) {
  var table = standardTablesCache[number];

  if (table) {
    return table;
  }

  var lines;

  switch (number) {
    case 1:
      lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
      break;

    case 2:
      lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
      break;

    case 3:
      lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
      break;

    case 4:
      lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
      break;

    case 5:
      lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
      break;

    case 6:
      lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
      break;

    case 7:
      lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
      break;

    case 8:
      lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
      break;

    case 9:
      lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
      break;

    case 10:
      lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
      break;

    case 11:
      lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
      break;

    case 12:
      lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
      break;

    case 13:
      lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
      break;

    case 14:
      lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
      break;

    case 15:
      lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
      break;

    default:
      throw new Jbig2Error("standard table B.".concat(number, " does not exist"));
  }

  for (var i = 0, ii = lines.length; i < ii; i++) {
    lines[i] = new HuffmanLine(lines[i]);
  }

  table = new HuffmanTable(lines, true);
  standardTablesCache[number] = table;
  return table;
}

var Reader = /*#__PURE__*/function () {
  function Reader(data, start, end) {
    _classCallCheck(this, Reader);

    this.data = data;
    this.start = start;
    this.end = end;
    this.position = start;
    this.shift = -1;
    this.currentByte = 0;
  }

  _createClass(Reader, [{
    key: "readBit",
    value: function readBit() {
      if (this.shift < 0) {
        if (this.position >= this.end) {
          throw new Jbig2Error("end of data while reading bit");
        }

        this.currentByte = this.data[this.position++];
        this.shift = 7;
      }

      var bit = this.currentByte >> this.shift & 1;
      this.shift--;
      return bit;
    }
  }, {
    key: "readBits",
    value: function readBits(numBits) {
      var result = 0,
          i;

      for (i = numBits - 1; i >= 0; i--) {
        result |= this.readBit() << i;
      }

      return result;
    }
  }, {
    key: "byteAlign",
    value: function byteAlign() {
      this.shift = -1;
    }
  }, {
    key: "next",
    value: function next() {
      if (this.position >= this.end) {
        return -1;
      }

      return this.data[this.position++];
    }
  }]);

  return Reader;
}();

function getCustomHuffmanTable(index, referredTo, customTables) {
  var currentIndex = 0;

  for (var i = 0, ii = referredTo.length; i < ii; i++) {
    var table = customTables[referredTo[i]];

    if (table) {
      if (index === currentIndex) {
        return table;
      }

      currentIndex++;
    }
  }

  throw new Jbig2Error("can't find custom Huffman table");
}

function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
  var codes = [];

  for (var i = 0; i <= 34; i++) {
    var codeLength = reader.readBits(4);
    codes.push(new HuffmanLine([i, codeLength, 0, 0]));
  }

  var runCodesTable = new HuffmanTable(codes, false);
  codes.length = 0;

  for (var _i3 = 0; _i3 < numberOfSymbols;) {
    var _codeLength = runCodesTable.decode(reader);

    if (_codeLength >= 32) {
      var repeatedLength = void 0,
          numberOfRepeats = void 0,
          j = void 0;

      switch (_codeLength) {
        case 32:
          if (_i3 === 0) {
            throw new Jbig2Error("no previous value in symbol ID table");
          }

          numberOfRepeats = reader.readBits(2) + 3;
          repeatedLength = codes[_i3 - 1].prefixLength;
          break;

        case 33:
          numberOfRepeats = reader.readBits(3) + 3;
          repeatedLength = 0;
          break;

        case 34:
          numberOfRepeats = reader.readBits(7) + 11;
          repeatedLength = 0;
          break;

        default:
          throw new Jbig2Error("invalid code length in symbol ID table");
      }

      for (j = 0; j < numberOfRepeats; j++) {
        codes.push(new HuffmanLine([_i3, repeatedLength, 0, 0]));
        _i3++;
      }
    } else {
      codes.push(new HuffmanLine([_i3, _codeLength, 0, 0]));
      _i3++;
    }
  }

  reader.byteAlign();
  var symbolIDTable = new HuffmanTable(codes, false);
  var customIndex = 0,
      tableFirstS,
      tableDeltaS,
      tableDeltaT;

  switch (textRegion.huffmanFS) {
    case 0:
    case 1:
      tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
      break;

    case 3:
      tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
      customIndex++;
      break;

    default:
      throw new Jbig2Error("invalid Huffman FS selector");
  }

  switch (textRegion.huffmanDS) {
    case 0:
    case 1:
    case 2:
      tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
      break;

    case 3:
      tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
      customIndex++;
      break;

    default:
      throw new Jbig2Error("invalid Huffman DS selector");
  }

  switch (textRegion.huffmanDT) {
    case 0:
    case 1:
    case 2:
      tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
      break;

    case 3:
      tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
      customIndex++;
      break;

    default:
      throw new Jbig2Error("invalid Huffman DT selector");
  }

  if (textRegion.refinement) {
    throw new Jbig2Error("refinement with Huffman is not supported");
  }

  return {
    symbolIDTable: symbolIDTable,
    tableFirstS: tableFirstS,
    tableDeltaS: tableDeltaS,
    tableDeltaT: tableDeltaT
  };
}

function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
  var customIndex = 0,
      tableDeltaHeight,
      tableDeltaWidth;

  switch (dictionary.huffmanDHSelector) {
    case 0:
    case 1:
      tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
      break;

    case 3:
      tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
      customIndex++;
      break;

    default:
      throw new Jbig2Error("invalid Huffman DH selector");
  }

  switch (dictionary.huffmanDWSelector) {
    case 0:
    case 1:
      tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
      break;

    case 3:
      tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
      customIndex++;
      break;

    default:
      throw new Jbig2Error("invalid Huffman DW selector");
  }

  var tableBitmapSize, tableAggregateInstances;

  if (dictionary.bitmapSizeSelector) {
    tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
    customIndex++;
  } else {
    tableBitmapSize = getStandardTable(1);
  }

  if (dictionary.aggregationInstancesSelector) {
    tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
  } else {
    tableAggregateInstances = getStandardTable(1);
  }

  return {
    tableDeltaHeight: tableDeltaHeight,
    tableDeltaWidth: tableDeltaWidth,
    tableBitmapSize: tableBitmapSize,
    tableAggregateInstances: tableAggregateInstances
  };
}

function readUncompressedBitmap(reader, width, height) {
  var bitmap = [];

  for (var y = 0; y < height; y++) {
    var row = new Uint8Array(width);
    bitmap.push(row);

    for (var x = 0; x < width; x++) {
      row[x] = reader.readBit();
    }

    reader.byteAlign();
  }

  return bitmap;
}

function decodeMMRBitmap(input, width, height, endOfBlock) {
  var params = {
    K: -1,
    Columns: width,
    Rows: height,
    BlackIs1: true,
    EndOfBlock: endOfBlock
  };
  var decoder = new _ccitt.CCITTFaxDecoder(input, params);
  var bitmap = [];
  var currentByte,
      eof = false;

  for (var y = 0; y < height; y++) {
    var row = new Uint8Array(width);
    bitmap.push(row);
    var shift = -1;

    for (var x = 0; x < width; x++) {
      if (shift < 0) {
        currentByte = decoder.readNextChar();

        if (currentByte === -1) {
          currentByte = 0;
          eof = true;
        }

        shift = 7;
      }

      row[x] = currentByte >> shift & 1;
      shift--;
    }
  }

  if (endOfBlock && !eof) {
    var lookForEOFLimit = 5;

    for (var i = 0; i < lookForEOFLimit; i++) {
      if (decoder.readNextChar() === -1) {
        break;
      }
    }
  }

  return bitmap;
}

var Jbig2Image = /*#__PURE__*/function () {
  function Jbig2Image() {
    _classCallCheck(this, Jbig2Image);
  }

  _createClass(Jbig2Image, [{
    key: "parseChunks",
    value: function parseChunks(chunks) {
      return parseJbig2Chunks(chunks);
    }
  }, {
    key: "parse",
    value: function parse(data) {
      var _parseJbig = parseJbig2(data),
          imgData = _parseJbig.imgData,
          width = _parseJbig.width,
          height = _parseJbig.height;

      this.width = width;
      this.height = height;
      return imgData;
    }
  }]);

  return Jbig2Image;
}();

exports.Jbig2Image = Jbig2Image;

/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.XRefParseException = exports.XRefEntryException = exports.ParserEOFException = exports.MissingDataException = exports.DocStats = void 0;
exports.collectActions = collectActions;
exports.encodeToXmlString = encodeToXmlString;
exports.escapePDFName = escapePDFName;
exports.getArrayLookupTableFactory = getArrayLookupTableFactory;
exports.getInheritableProperty = getInheritableProperty;
exports.getLookupTableFactory = getLookupTableFactory;
exports.isWhiteSpace = isWhiteSpace;
exports.log2 = log2;
exports.parseXFAPath = parseXFAPath;
exports.readInt8 = readInt8;
exports.readUint16 = readUint16;
exports.readUint32 = readUint32;
exports.recoverJsURL = recoverJsURL;
exports.toRomanNumerals = toRomanNumerals;
exports.validateCSSFont = validateCSSFont;

var _util = __w_pdfjs_require__(1);

var _primitives = __w_pdfjs_require__(7);

var _base_stream = __w_pdfjs_require__(10);

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function getLookupTableFactory(initializer) {
  var lookup;
  return function () {
    if (initializer) {
      lookup = Object.create(null);
      initializer(lookup);
      initializer = null;
    }

    return lookup;
  };
}

function getArrayLookupTableFactory(initializer) {
  var lookup;
  return function () {
    if (initializer) {
      var arr = initializer();
      initializer = null;
      lookup = Object.create(null);

      for (var i = 0, ii = arr.length; i < ii; i += 2) {
        lookup[arr[i]] = arr[i + 1];
      }

      arr = null;
    }

    return lookup;
  };
}

var MissingDataException = /*#__PURE__*/function (_BaseException) {
  _inherits(MissingDataException, _BaseException);

  var _super = _createSuper(MissingDataException);

  function MissingDataException(begin, end) {
    var _this;

    _classCallCheck(this, MissingDataException);

    _this = _super.call(this, "Missing data [".concat(begin, ", ").concat(end, ")"), "MissingDataException");
    _this.begin = begin;
    _this.end = end;
    return _this;
  }

  return _createClass(MissingDataException);
}(_util.BaseException);

exports.MissingDataException = MissingDataException;

var ParserEOFException = /*#__PURE__*/function (_BaseException2) {
  _inherits(ParserEOFException, _BaseException2);

  var _super2 = _createSuper(ParserEOFException);

  function ParserEOFException(msg) {
    _classCallCheck(this, ParserEOFException);

    return _super2.call(this, msg, "ParserEOFException");
  }

  return _createClass(ParserEOFException);
}(_util.BaseException);

exports.ParserEOFException = ParserEOFException;

var XRefEntryException = /*#__PURE__*/function (_BaseException3) {
  _inherits(XRefEntryException, _BaseException3);

  var _super3 = _createSuper(XRefEntryException);

  function XRefEntryException(msg) {
    _classCallCheck(this, XRefEntryException);

    return _super3.call(this, msg, "XRefEntryException");
  }

  return _createClass(XRefEntryException);
}(_util.BaseException);

exports.XRefEntryException = XRefEntryException;

var XRefParseException = /*#__PURE__*/function (_BaseException4) {
  _inherits(XRefParseException, _BaseException4);

  var _super4 = _createSuper(XRefParseException);

  function XRefParseException(msg) {
    _classCallCheck(this, XRefParseException);

    return _super4.call(this, msg, "XRefParseException");
  }

  return _createClass(XRefParseException);
}(_util.BaseException);

exports.XRefParseException = XRefParseException;

var DocStats = /*#__PURE__*/function () {
  function DocStats(handler) {
    _classCallCheck(this, DocStats);

    this._handler = handler;
    this._streamTypes = new Set();
    this._fontTypes = new Set();
  }

  _createClass(DocStats, [{
    key: "_send",
    value: function _send() {
      var streamTypes = Object.create(null),
          fontTypes = Object.create(null);

      var _iterator = _createForOfIteratorHelper(this._streamTypes),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var type = _step.value;
          streamTypes[type] = true;
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      var _iterator2 = _createForOfIteratorHelper(this._fontTypes),
          _step2;

      try {
        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
          var _type = _step2.value;
          fontTypes[_type] = true;
        }
      } catch (err) {
        _iterator2.e(err);
      } finally {
        _iterator2.f();
      }

      this._handler.send("DocStats", {
        streamTypes: streamTypes,
        fontTypes: fontTypes
      });
    }
  }, {
    key: "addStreamType",
    value: function addStreamType(type) {
      if (this._streamTypes.has(type)) {
        return;
      }

      this._streamTypes.add(type);

      this._send();
    }
  }, {
    key: "addFontType",
    value: function addFontType(type) {
      if (this._fontTypes.has(type)) {
        return;
      }

      this._fontTypes.add(type);

      this._send();
    }
  }]);

  return DocStats;
}();

exports.DocStats = DocStats;

function getInheritableProperty(_ref) {
  var dict = _ref.dict,
      key = _ref.key,
      _ref$getArray = _ref.getArray,
      getArray = _ref$getArray === void 0 ? false : _ref$getArray,
      _ref$stopWhenFound = _ref.stopWhenFound,
      stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound;
  var values;
  var visited = new _primitives.RefSet();

  while (dict instanceof _primitives.Dict && !(dict.objId && visited.has(dict.objId))) {
    if (dict.objId) {
      visited.put(dict.objId);
    }

    var value = getArray ? dict.getArray(key) : dict.get(key);

    if (value !== undefined) {
      if (stopWhenFound) {
        return value;
      }

      if (!values) {
        values = [];
      }

      values.push(value);
    }

    dict = dict.get("Parent");
  }

  return values;
}

var ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];

function toRomanNumerals(number) {
  var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
  var romanBuf = [];
  var pos;

  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;
}

function log2(x) {
  if (x <= 0) {
    return 0;
  }

  return Math.ceil(Math.log2(x));
}

function readInt8(data, offset) {
  return data[offset] << 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 isWhiteSpace(ch) {
  return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
}

function parseXFAPath(path) {
  var positionPattern = /(.+)\[(\d+)\]$/;
  return path.split(".").map(function (component) {
    var m = component.match(positionPattern);

    if (m) {
      return {
        name: m[1],
        pos: parseInt(m[2], 10)
      };
    }

    return {
      name: component,
      pos: 0
    };
  });
}

function escapePDFName(str) {
  var buffer = [];
  var start = 0;

  for (var i = 0, ii = str.length; i < ii; i++) {
    var _char = str.charCodeAt(i);

    if (_char < 0x21 || _char > 0x7e || _char === 0x23 || _char === 0x28 || _char === 0x29 || _char === 0x3c || _char === 0x3e || _char === 0x5b || _char === 0x5d || _char === 0x7b || _char === 0x7d || _char === 0x2f || _char === 0x25) {
      if (start < i) {
        buffer.push(str.substring(start, i));
      }

      buffer.push("#".concat(_char.toString(16)));
      start = i + 1;
    }
  }

  if (buffer.length === 0) {
    return str;
  }

  if (start < str.length) {
    buffer.push(str.substring(start, str.length));
  }

  return buffer.join("");
}

function _collectJS(entry, xref, list, parents) {
  if (!entry) {
    return;
  }

  var parent = null;

  if (entry instanceof _primitives.Ref) {
    if (parents.has(entry)) {
      return;
    }

    parent = entry;
    parents.put(parent);
    entry = xref.fetch(entry);
  }

  if (Array.isArray(entry)) {
    var _iterator3 = _createForOfIteratorHelper(entry),
        _step3;

    try {
      for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
        var element = _step3.value;

        _collectJS(element, xref, list, parents);
      }
    } catch (err) {
      _iterator3.e(err);
    } finally {
      _iterator3.f();
    }
  } else if (entry instanceof _primitives.Dict) {
    if ((0, _primitives.isName)(entry.get("S"), "JavaScript")) {
      var js = entry.get("JS");
      var code;

      if (js instanceof _base_stream.BaseStream) {
        code = js.getString();
      } else if (typeof js === "string") {
        code = js;
      }

      code = code && (0, _util.stringToPDFString)(code);

      if (code) {
        list.push(code);
      }
    }

    _collectJS(entry.getRaw("Next"), xref, list, parents);
  }

  if (parent) {
    parents.remove(parent);
  }
}

function collectActions(xref, dict, eventType) {
  var actions = Object.create(null);
  var additionalActionsDicts = getInheritableProperty({
    dict: dict,
    key: "AA",
    stopWhenFound: false
  });

  if (additionalActionsDicts) {
    for (var i = additionalActionsDicts.length - 1; i >= 0; i--) {
      var additionalActions = additionalActionsDicts[i];

      if (!(additionalActions instanceof _primitives.Dict)) {
        continue;
      }

      var _iterator4 = _createForOfIteratorHelper(additionalActions.getKeys()),
          _step4;

      try {
        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
          var key = _step4.value;
          var action = eventType[key];

          if (!action) {
            continue;
          }

          var actionDict = additionalActions.getRaw(key);
          var parents = new _primitives.RefSet();
          var list = [];

          _collectJS(actionDict, xref, list, parents);

          if (list.length > 0) {
            actions[action] = list;
          }
        }
      } catch (err) {
        _iterator4.e(err);
      } finally {
        _iterator4.f();
      }
    }
  }

  if (dict.has("A")) {
    var _actionDict = dict.get("A");

    var _parents = new _primitives.RefSet();

    var _list = [];

    _collectJS(_actionDict, xref, _list, _parents);

    if (_list.length > 0) {
      actions.Action = _list;
    }
  }

  return (0, _util.objectSize)(actions) > 0 ? actions : null;
}

var XMLEntities = {
  0x3c: "&lt;",
  0x3e: "&gt;",
  0x26: "&amp;",
  0x22: "&quot;",
  0x27: "&apos;"
};

function encodeToXmlString(str) {
  var buffer = [];
  var start = 0;

  for (var i = 0, ii = str.length; i < ii; i++) {
    var _char2 = str.codePointAt(i);

    if (0x20 <= _char2 && _char2 <= 0x7e) {
      var entity = XMLEntities[_char2];

      if (entity) {
        if (start < i) {
          buffer.push(str.substring(start, i));
        }

        buffer.push(entity);
        start = i + 1;
      }
    } else {
      if (start < i) {
        buffer.push(str.substring(start, i));
      }

      buffer.push("&#x".concat(_char2.toString(16).toUpperCase(), ";"));

      if (_char2 > 0xd7ff && (_char2 < 0xe000 || _char2 > 0xfffd)) {
        i++;
      }

      start = i + 1;
    }
  }

  if (buffer.length === 0) {
    return str;
  }

  if (start < str.length) {
    buffer.push(str.substring(start, str.length));
  }

  return buffer.join("");
}

function validateCSSFont(cssFontInfo) {
  var DEFAULT_CSS_FONT_OBLIQUE = "14";
  var DEFAULT_CSS_FONT_WEIGHT = "400";
  var CSS_FONT_WEIGHT_VALUES = new Set(["100", "200", "300", "400", "500", "600", "700", "800", "900", "1000", "normal", "bold", "bolder", "lighter"]);
  var fontFamily = cssFontInfo.fontFamily,
      fontWeight = cssFontInfo.fontWeight,
      italicAngle = cssFontInfo.italicAngle;

  if (/^".*"$/.test(fontFamily)) {
    if (/[^\\]"/.test(fontFamily.slice(1, fontFamily.length - 1))) {
      (0, _util.warn)("XFA - FontFamily contains some unescaped \": ".concat(fontFamily, "."));
      return false;
    }
  } else if (/^'.*'$/.test(fontFamily)) {
    if (/[^\\]'/.test(fontFamily.slice(1, fontFamily.length - 1))) {
      (0, _util.warn)("XFA - FontFamily contains some unescaped ': ".concat(fontFamily, "."));
      return false;
    }
  } else {
    var _iterator5 = _createForOfIteratorHelper(fontFamily.split(/[ \t]+/)),
        _step5;

    try {
      for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
        var ident = _step5.value;

        if (/^(\d|(-(\d|-)))/.test(ident) || !/^[\w-\\]+$/.test(ident)) {
          (0, _util.warn)("XFA - FontFamily contains some invalid <custom-ident>: ".concat(fontFamily, "."));
          return false;
        }
      }
    } catch (err) {
      _iterator5.e(err);
    } finally {
      _iterator5.f();
    }
  }

  var weight = fontWeight ? fontWeight.toString() : "";
  cssFontInfo.fontWeight = CSS_FONT_WEIGHT_VALUES.has(weight) ? weight : DEFAULT_CSS_FONT_WEIGHT;
  var angle = parseFloat(italicAngle);
  cssFontInfo.italicAngle = isNaN(angle) || angle < -90 || angle > 90 ? DEFAULT_CSS_FONT_OBLIQUE : italicAngle.toString();
  return true;
}

function recoverJsURL(str) {
  var URL_OPEN_METHODS = ["app.launchURL", "window.open", "xfa.host.gotoURL"];
  var regex = new RegExp("^\\s*(" + URL_OPEN_METHODS.join("|").split(".").join("\\.") + ")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))", "i");
  var jsUrl = regex.exec(str);

  if (jsUrl && jsUrl[2]) {
    var url = jsUrl[2];
    var newWindow = false;

    if (jsUrl[3] === "true" && jsUrl[1] === "app.launchURL") {
      newWindow = true;
    }

    return {
      url: url,
      newWindow: newWindow
    };
  }

  return null;
}

/***/ }),
/* 7 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.EOF = exports.Dict = exports.Cmd = exports.CIRCULAR_REF = void 0;
exports.clearPrimitiveCaches = clearPrimitiveCaches;
exports.isCmd = isCmd;
exports.isDict = isDict;
exports.isName = isName;
exports.isRefsEqual = isRefsEqual;

var _regenerator = _interopRequireDefault(__w_pdfjs_require__(8));

var _util = __w_pdfjs_require__(1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

var CIRCULAR_REF = Symbol("CIRCULAR_REF");
exports.CIRCULAR_REF = CIRCULAR_REF;
var EOF = Symbol("EOF");
exports.EOF = EOF;

var Name = function NameClosure() {
  var nameCache = Object.create(null);

  var Name = /*#__PURE__*/function () {
    function Name(name) {
      _classCallCheck(this, Name);

      this.name = name;
    }

    _createClass(Name, null, [{
      key: "get",
      value: function get(name) {
        var nameValue = nameCache[name];
        return nameValue ? nameValue : nameCache[name] = new Name(name);
      }
    }, {
      key: "_clearCache",
      value: function _clearCache() {
        nameCache = Object.create(null);
      }
    }]);

    return Name;
  }();

  return Name;
}();

exports.Name = Name;

var Cmd = function CmdClosure() {
  var cmdCache = Object.create(null);

  var Cmd = /*#__PURE__*/function () {
    function Cmd(cmd) {
      _classCallCheck(this, Cmd);

      this.cmd = cmd;
    }

    _createClass(Cmd, null, [{
      key: "get",
      value: function get(cmd) {
        var cmdValue = cmdCache[cmd];
        return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
      }
    }, {
      key: "_clearCache",
      value: function _clearCache() {
        cmdCache = Object.create(null);
      }
    }]);

    return Cmd;
  }();

  return Cmd;
}();

exports.Cmd = Cmd;

var nonSerializable = function nonSerializableClosure() {
  return nonSerializable;
};

var Dict = /*#__PURE__*/function () {
  function Dict() {
    var xref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

    _classCallCheck(this, Dict);

    this._map = Object.create(null);
    this.xref = xref;
    this.objId = null;
    this.suppressEncryption = false;
    this.__nonSerializable__ = nonSerializable;
  }

  _createClass(Dict, [{
    key: "assignXref",
    value: function assignXref(newXref) {
      this.xref = newXref;
    }
  }, {
    key: "size",
    get: function get() {
      return Object.keys(this._map).length;
    }
  }, {
    key: "get",
    value: function get(key1, key2, key3) {
      var value = this._map[key1];

      if (value === undefined && key2 !== undefined) {
        value = this._map[key2];

        if (value === undefined && key3 !== undefined) {
          value = this._map[key3];
        }
      }

      if (value instanceof Ref && this.xref) {
        return this.xref.fetch(value, this.suppressEncryption);
      }

      return value;
    }
  }, {
    key: "getAsync",
    value: function () {
      var _getAsync = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(key1, key2, key3) {
        var value;
        return _regenerator["default"].wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                value = this._map[key1];

                if (value === undefined && key2 !== undefined) {
                  value = this._map[key2];

                  if (value === undefined && key3 !== undefined) {
                    value = this._map[key3];
                  }
                }

                if (!(value instanceof Ref && this.xref)) {
                  _context.next = 4;
                  break;
                }

                return _context.abrupt("return", this.xref.fetchAsync(value, this.suppressEncryption));

              case 4:
                return _context.abrupt("return", value);

              case 5:
              case "end":
                return _context.stop();
            }
          }
        }, _callee, this);
      }));

      function getAsync(_x, _x2, _x3) {
        return _getAsync.apply(this, arguments);
      }

      return getAsync;
    }()
  }, {
    key: "getArray",
    value: function getArray(key1, key2, key3) {
      var value = this._map[key1];

      if (value === undefined && key2 !== undefined) {
        value = this._map[key2];

        if (value === undefined && key3 !== undefined) {
          value = this._map[key3];
        }
      }

      if (value instanceof Ref && this.xref) {
        value = this.xref.fetch(value, this.suppressEncryption);
      }

      if (Array.isArray(value)) {
        value = value.slice();

        for (var i = 0, ii = value.length; i < ii; i++) {
          if (value[i] instanceof Ref && this.xref) {
            value[i] = this.xref.fetch(value[i], this.suppressEncryption);
          }
        }
      }

      return value;
    }
  }, {
    key: "getRaw",
    value: function getRaw(key) {
      return this._map[key];
    }
  }, {
    key: "getKeys",
    value: function getKeys() {
      return Object.keys(this._map);
    }
  }, {
    key: "getRawValues",
    value: function getRawValues() {
      return Object.values(this._map);
    }
  }, {
    key: "set",
    value: function set(key, value) {
      this._map[key] = value;
    }
  }, {
    key: "has",
    value: function has(key) {
      return this._map[key] !== undefined;
    }
  }, {
    key: "forEach",
    value: function forEach(callback) {
      for (var key in this._map) {
        callback(key, this.get(key));
      }
    }
  }], [{
    key: "empty",
    get: function get() {
      var emptyDict = new Dict(null);

      emptyDict.set = function (key, value) {
        (0, _util.unreachable)("Should not call `set` on the empty dictionary.");
      };

      return (0, _util.shadow)(this, "empty", emptyDict);
    }
  }, {
    key: "merge",
    value: function merge(_ref) {
      var xref = _ref.xref,
          dictArray = _ref.dictArray,
          _ref$mergeSubDicts = _ref.mergeSubDicts,
          mergeSubDicts = _ref$mergeSubDicts === void 0 ? false : _ref$mergeSubDicts;
      var mergedDict = new Dict(xref),
          properties = new Map();

      var _iterator = _createForOfIteratorHelper(dictArray),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var dict = _step.value;

          if (!(dict instanceof Dict)) {
            continue;
          }

          for (var _i = 0, _Object$entries = Object.entries(dict._map); _i < _Object$entries.length; _i++) {
            var _Object$entries$_i = _slicedToArray(_Object$entries[_i], 2),
                key = _Object$entries$_i[0],
                value = _Object$entries$_i[1];

            var property = properties.get(key);

            if (property === undefined) {
              property = [];
              properties.set(key, property);
            } else if (!mergeSubDicts || !(value instanceof Dict)) {
              continue;
            }

            property.push(value);
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      var _iterator2 = _createForOfIteratorHelper(properties),
          _step2;

      try {
        for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
          var _step2$value = _slicedToArray(_step2.value, 2),
              name = _step2$value[0],
              values = _step2$value[1];

          if (values.length === 1 || !(values[0] instanceof Dict)) {
            mergedDict._map[name] = values[0];
            continue;
          }

          var subDict = new Dict(xref);

          var _iterator3 = _createForOfIteratorHelper(values),
              _step3;

          try {
            for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
              var _dict = _step3.value;

              for (var _i2 = 0, _Object$entries2 = Object.entries(_dict._map); _i2 < _Object$entries2.length; _i2++) {
                var _Object$entries2$_i = _slicedToArray(_Object$entries2[_i2], 2),
                    _key = _Object$entries2$_i[0],
                    _value = _Object$entries2$_i[1];

                if (subDict._map[_key] === undefined) {
                  subDict._map[_key] = _value;
                }
              }
            }
          } catch (err) {
            _iterator3.e(err);
          } finally {
            _iterator3.f();
          }

          if (subDict.size > 0) {
            mergedDict._map[name] = subDict;
          }
        }
      } catch (err) {
        _iterator2.e(err);
      } finally {
        _iterator2.f();
      }

      properties.clear();
      return mergedDict.size > 0 ? mergedDict : Dict.empty;
    }
  }]);

  return Dict;
}();

exports.Dict = Dict;

var Ref = function RefClosure() {
  var refCache = Object.create(null);

  var Ref = /*#__PURE__*/function () {
    function Ref(num, gen) {
      _classCallCheck(this, Ref);

      this.num = num;
      this.gen = gen;
    }

    _createClass(Ref, [{
      key: "toString",
      value: function toString() {
        if (this.gen === 0) {
          return "".concat(this.num, "R");
        }

        return "".concat(this.num, "R").concat(this.gen);
      }
    }], [{
      key: "get",
      value: function get(num, gen) {
        var key = gen === 0 ? "".concat(num, "R") : "".concat(num, "R").concat(gen);
        var refValue = refCache[key];
        return refValue ? refValue : refCache[key] = new Ref(num, gen);
      }
    }, {
      key: "_clearCache",
      value: function _clearCache() {
        refCache = Object.create(null);
      }
    }]);

    return Ref;
  }();

  return Ref;
}();

exports.Ref = Ref;

var RefSet = /*#__PURE__*/function () {
  function RefSet() {
    var parent = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

    _classCallCheck(this, RefSet);

    this._set = new Set(parent && parent._set);
  }

  _createClass(RefSet, [{
    key: "has",
    value: function has(ref) {
      return this._set.has(ref.toString());
    }
  }, {
    key: "put",
    value: function put(ref) {
      this._set.add(ref.toString());
    }
  }, {
    key: "remove",
    value: function remove(ref) {
      this._set["delete"](ref.toString());
    }
  }, {
    key: "forEach",
    value: function forEach(callback) {
      var _iterator4 = _createForOfIteratorHelper(this._set.values()),
          _step4;

      try {
        for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
          var ref = _step4.value;
          callback(ref);
        }
      } catch (err) {
        _iterator4.e(err);
      } finally {
        _iterator4.f();
      }
    }
  }, {
    key: "clear",
    value: function clear() {
      this._set.clear();
    }
  }]);

  return RefSet;
}();

exports.RefSet = RefSet;

var RefSetCache = /*#__PURE__*/function () {
  function RefSetCache() {
    _classCallCheck(this, RefSetCache);

    this._map = new Map();
  }

  _createClass(RefSetCache, [{
    key: "size",
    get: function get() {
      return this._map.size;
    }
  }, {
    key: "get",
    value: function get(ref) {
      return this._map.get(ref.toString());
    }
  }, {
    key: "has",
    value: function has(ref) {
      return this._map.has(ref.toString());
    }
  }, {
    key: "put",
    value: function put(ref, obj) {
      this._map.set(ref.toString(), obj);
    }
  }, {
    key: "putAlias",
    value: function putAlias(ref, aliasRef) {
      this._map.set(ref.toString(), this.get(aliasRef));
    }
  }, {
    key: "forEach",
    value: function forEach(callback) {
      var _iterator5 = _createForOfIteratorHelper(this._map.values()),
          _step5;

      try {
        for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
          var value = _step5.value;
          callback(value);
        }
      } catch (err) {
        _iterator5.e(err);
      } finally {
        _iterator5.f();
      }
    }
  }, {
    key: "clear",
    value: function clear() {
      this._map.clear();
    }
  }]);

  return RefSetCache;
}();

exports.RefSetCache = RefSetCache;

function isName(v, name) {
  return v instanceof Name && (name === undefined || v.name === name);
}

function isCmd(v, cmd) {
  return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
}

function isDict(v, type) {
  return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
}

function isRefsEqual(v1, v2) {
  return v1.num === v2.num && v1.gen === v2.gen;
}

function clearPrimitiveCaches() {
  Cmd._clearCache();

  Name._clearCache();

  Ref._clearCache();
}

/***/ }),
/* 8 */
/***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {



module.exports = __w_pdfjs_require__(9);

/***/ }),
/* 9 */
/***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {

/* module decorator */ module = __w_pdfjs_require__.nmd(module);


function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

var runtime = function (exports) {
  "use strict";

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined;
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  function define(obj, key, value) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
    return obj[key];
  }

  try {
    define({}, "");
  } catch (err) {
    define = function define(obj, key, value) {
      return obj[key] = value;
    };
  }

  function wrap(innerFn, outerFn, self, tryLocsList) {
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);
    generator._invoke = makeInvokeMethod(innerFn, self, context);
    return generator;
  }

  exports.wrap = wrap;

  function tryCatch(fn, obj, arg) {
    try {
      return {
        type: "normal",
        arg: fn.call(obj, arg)
      };
    } catch (err) {
      return {
        type: "throw",
        arg: err
      };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";
  var ContinueSentinel = {};

  function Generator() {}

  function GeneratorFunction() {}

  function GeneratorFunctionPrototype() {}

  var IteratorPrototype = {};
  define(IteratorPrototype, iteratorSymbol, function () {
    return this;
  });
  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));

  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    IteratorPrototype = NativeIteratorPrototype;
  }

  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = GeneratorFunctionPrototype;
  define(Gp, "constructor", GeneratorFunctionPrototype);
  define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
  GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");

  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function (method) {
      define(prototype, method, function (arg) {
        return this._invoke(method, arg);
      });
    });
  }

  exports.isGeneratorFunction = function (genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
  };

  exports.mark = function (genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      define(genFun, toStringTagSymbol, "GeneratorFunction");
    }

    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  exports.awrap = function (arg) {
    return {
      __await: arg
    };
  };

  function AsyncIterator(generator, PromiseImpl) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);

      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;

        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
          return PromiseImpl.resolve(value.__await).then(function (value) {
            invoke("next", value, resolve, reject);
          }, function (err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return PromiseImpl.resolve(value).then(function (unwrapped) {
          result.value = unwrapped;
          resolve(result);
        }, function (error) {
          return invoke("throw", error, resolve, reject);
        });
      }
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new PromiseImpl(function (resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
    }

    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);
  define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
    return this;
  });
  exports.AsyncIterator = AsyncIterator;

  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    if (PromiseImpl === void 0) PromiseImpl = Promise;
    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
      return result.done ? result.value : iter.next();
    });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;
    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        return doneResult();
      }

      context.method = method;
      context.arg = arg;

      while (true) {
        var delegate = context.delegate;

        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);

          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }

        if (context.method === "next") {
          context.sent = context._sent = context.arg;
        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }

          context.dispatchException(context.arg);
        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }

        state = GenStateExecuting;
        var record = tryCatch(innerFn, self, context);

        if (record.type === "normal") {
          state = context.done ? GenStateCompleted : GenStateSuspendedYield;

          if (record.arg === ContinueSentinel) {
            continue;
          }

          return {
            value: record.arg,
            done: context.done
          };
        } else if (record.type === "throw") {
          state = GenStateCompleted;
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];

    if (method === undefined) {
      context.delegate = null;

      if (context.method === "throw") {
        if (delegate.iterator["return"]) {
          context.method = "return";
          context.arg = undefined;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError("The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (!info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      context[delegate.resultName] = info.value;
      context.next = delegate.nextLoc;

      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined;
      }
    } else {
      return info;
    }

    context.delegate = null;
    return ContinueSentinel;
  }

  defineIteratorMethods(Gp);
  define(Gp, toStringTagSymbol, "Generator");
  define(Gp, iteratorSymbol, function () {
    return this;
  });
  define(Gp, "toString", function () {
    return "[object Generator]";
  });

  function pushTryEntry(locs) {
    var entry = {
      tryLoc: locs[0]
    };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    this.tryEntries = [{
      tryLoc: "root"
    }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function (object) {
    var keys = [];

    for (var key in object) {
      keys.push(key);
    }

    keys.reverse();
    return function next() {
      while (keys.length) {
        var key = keys.pop();

        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];

      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1,
            next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;
          return next;
        };

        return next.next = next;
      }
    }

    return {
      next: doneResult
    };
  }

  exports.values = values;

  function doneResult() {
    return {
      value: undefined,
      done: true
    };
  }

  Context.prototype = {
    constructor: Context,
    reset: function reset(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;
      this.method = "next";
      this.arg = undefined;
      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },
    stop: function stop() {
      this.done = true;
      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;

      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },
    dispatchException: function dispatchException(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;

      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;

        if (caught) {
          context.method = "next";
          context.arg = undefined;
        }

        return !!caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }
          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },
    abrupt: function abrupt(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }

      return this.complete(record);
    },
    complete: function complete(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" || record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },
    finish: function finish(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },
    "catch": function _catch(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;

          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }

          return thrown;
        }
      }

      throw new Error("illegal catch attempt");
    },
    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      if (this.method === "next") {
        this.arg = undefined;
      }

      return ContinueSentinel;
    }
  };
  return exports;
}(( false ? 0 : _typeof(module)) === "object" ? module.exports : {});

try {
  regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
  if ((typeof globalThis === "undefined" ? "undefined" : _typeof(globalThis)) === "object") {
    globalThis.regeneratorRuntime = runtime;
  } else {
    Function("r", "regeneratorRuntime = r")(runtime);
  }
}

/***/ }),
/* 10 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.BaseStream = void 0;

var _util = __w_pdfjs_require__(1);

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

var BaseStream = /*#__PURE__*/function () {
  function BaseStream() {
    _classCallCheck(this, BaseStream);

    if (this.constructor === BaseStream) {
      (0, _util.unreachable)("Cannot initialize BaseStream.");
    }
  }

  _createClass(BaseStream, [{
    key: "length",
    get: function get() {
      (0, _util.unreachable)("Abstract getter `length` accessed");
    }
  }, {
    key: "isEmpty",
    get: function get() {
      (0, _util.unreachable)("Abstract getter `isEmpty` accessed");
    }
  }, {
    key: "isDataLoaded",
    get: function get() {
      return (0, _util.shadow)(this, "isDataLoaded", true);
    }
  }, {
    key: "getByte",
    value: function getByte() {
      (0, _util.unreachable)("Abstract method `getByte` called");
    }
  }, {
    key: "getBytes",
    value: function getBytes(length) {
      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
      (0, _util.unreachable)("Abstract method `getBytes` called");
    }
  }, {
    key: "peekByte",
    value: function peekByte() {
      var peekedByte = this.getByte();

      if (peekedByte !== -1) {
        this.pos--;
      }

      return peekedByte;
    }
  }, {
    key: "peekBytes",
    value: function peekBytes(length) {
      var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
      var bytes = this.getBytes(length, forceClamped);
      this.pos -= bytes.length;
      return bytes;
    }
  }, {
    key: "getUint16",
    value: function getUint16() {
      var b0 = this.getByte();
      var b1 = this.getByte();

      if (b0 === -1 || b1 === -1) {
        return -1;
      }

      return (b0 << 8) + b1;
    }
  }, {
    key: "getInt32",
    value: function getInt32() {
      var b0 = this.getByte();
      var b1 = this.getByte();
      var b2 = this.getByte();
      var b3 = this.getByte();
      return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
    }
  }, {
    key: "getByteRange",
    value: function getByteRange(begin, end) {
      (0, _util.unreachable)("Abstract method `getByteRange` called");
    }
  }, {
    key: "getString",
    value: function getString(length) {
      return (0, _util.bytesToString)(this.getBytes(length, false));
    }
  }, {
    key: "skip",
    value: function skip(n) {
      this.pos += n || 1;
    }
  }, {
    key: "reset",
    value: function reset() {
      (0, _util.unreachable)("Abstract method `reset` called");
    }
  }, {
    key: "moveStart",
    value: function moveStart() {
      (0, _util.unreachable)("Abstract method `moveStart` called");
    }
  }, {
    key: "makeSubStream",
    value: function makeSubStream(start, length) {
      var dict = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
      (0, _util.unreachable)("Abstract method `makeSubStream` called");
    }
  }, {
    key: "getBaseStreams",
    value: function getBaseStreams() {
      return null;
    }
  }]);

  return BaseStream;
}();

exports.BaseStream = BaseStream;

/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.ArithmeticDecoder = void 0;

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

var QeTable = [{
  qe: 0x5601,
  nmps: 1,
  nlps: 1,
  switchFlag: 1
}, {
  qe: 0x3401,
  nmps: 2,
  nlps: 6,
  switchFlag: 0
}, {
  qe: 0x1801,
  nmps: 3,
  nlps: 9,
  switchFlag: 0
}, {
  qe: 0x0ac1,
  nmps: 4,
  nlps: 12,
  switchFlag: 0
}, {
  qe: 0x0521,
  nmps: 5,
  nlps: 29,
  switchFlag: 0
}, {
  qe: 0x0221,
  nmps: 38,
  nlps: 33,
  switchFlag: 0
}, {
  qe: 0x5601,
  nmps: 7,
  nlps: 6,
  switchFlag: 1
}, {
  qe: 0x5401,
  nmps: 8,
  nlps: 14,
  switchFlag: 0
}, {
  qe: 0x4801,
  nmps: 9,
  nlps: 14,
  switchFlag: 0
}, {
  qe: 0x3801,
  nmps: 10,
  nlps: 14,
  switchFlag: 0
}, {
  qe: 0x3001,
  nmps: 11,
  nlps: 17,
  switchFlag: 0
}, {
  qe: 0x2401,
  nmps: 12,
  nlps: 18,
  switchFlag: 0
}, {
  qe: 0x1c01,
  nmps: 13,
  nlps: 20,
  switchFlag: 0
}, {
  qe: 0x1601,
  nmps: 29,
  nlps: 21,
  switchFlag: 0
}, {
  qe: 0x5601,
  nmps: 15,
  nlps: 14,
  switchFlag: 1
}, {
  qe: 0x5401,
  nmps: 16,
  nlps: 14,
  switchFlag: 0
}, {
  qe: 0x5101,
  nmps: 17,
  nlps: 15,
  switchFlag: 0
}, {
  qe: 0x4801,
  nmps: 18,
  nlps: 16,
  switchFlag: 0
}, {
  qe: 0x3801,
  nmps: 19,
  nlps: 17,
  switchFlag: 0
}, {
  qe: 0x3401,
  nmps: 20,
  nlps: 18,
  switchFlag: 0
}, {
  qe: 0x3001,
  nmps: 21,
  nlps: 19,
  switchFlag: 0
}, {
  qe: 0x2801,
  nmps: 22,
  nlps: 19,
  switchFlag: 0
}, {
  qe: 0x2401,
  nmps: 23,
  nlps: 20,
  switchFlag: 0
}, {
  qe: 0x2201,
  nmps: 24,
  nlps: 21,
  switchFlag: 0
}, {
  qe: 0x1c01,
  nmps: 25,
  nlps: 22,
  switchFlag: 0
}, {
  qe: 0x1801,
  nmps: 26,
  nlps: 23,
  switchFlag: 0
}, {
  qe: 0x1601,
  nmps: 27,
  nlps: 24,
  switchFlag: 0
}, {
  qe: 0x1401,
  nmps: 28,
  nlps: 25,
  switchFlag: 0
}, {
  qe: 0x1201,
  nmps: 29,
  nlps: 26,
  switchFlag: 0
}, {
  qe: 0x1101,
  nmps: 30,
  nlps: 27,
  switchFlag: 0
}, {
  qe: 0x0ac1,
  nmps: 31,
  nlps: 28,
  switchFlag: 0
}, {
  qe: 0x09c1,
  nmps: 32,
  nlps: 29,
  switchFlag: 0
}, {
  qe: 0x08a1,
  nmps: 33,
  nlps: 30,
  switchFlag: 0
}, {
  qe: 0x0521,
  nmps: 34,
  nlps: 31,
  switchFlag: 0
}, {
  qe: 0x0441,
  nmps: 35,
  nlps: 32,
  switchFlag: 0
}, {
  qe: 0x02a1,
  nmps: 36,
  nlps: 33,
  switchFlag: 0
}, {
  qe: 0x0221,
  nmps: 37,
  nlps: 34,
  switchFlag: 0
}, {
  qe: 0x0141,
  nmps: 38,
  nlps: 35,
  switchFlag: 0
}, {
  qe: 0x0111,
  nmps: 39,
  nlps: 36,
  switchFlag: 0
}, {
  qe: 0x0085,
  nmps: 40,
  nlps: 37,
  switchFlag: 0
}, {
  qe: 0x0049,
  nmps: 41,
  nlps: 38,
  switchFlag: 0
}, {
  qe: 0x0025,
  nmps: 42,
  nlps: 39,
  switchFlag: 0
}, {
  qe: 0x0015,
  nmps: 43,
  nlps: 40,
  switchFlag: 0
}, {
  qe: 0x0009,
  nmps: 44,
  nlps: 41,
  switchFlag: 0
}, {
  qe: 0x0005,
  nmps: 45,
  nlps: 42,
  switchFlag: 0
}, {
  qe: 0x0001,
  nmps: 45,
  nlps: 43,
  switchFlag: 0
}, {
  qe: 0x5601,
  nmps: 46,
  nlps: 46,
  switchFlag: 0
}];

var ArithmeticDecoder = /*#__PURE__*/function () {
  function ArithmeticDecoder(data, start, end) {
    _classCallCheck(this, ArithmeticDecoder);

    this.data = data;
    this.bp = start;
    this.dataEnd = end;
    this.chigh = data[start];
    this.clow = 0;
    this.byteIn();
    this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
    this.clow = this.clow << 7 & 0xffff;
    this.ct -= 7;
    this.a = 0x8000;
  }

  _createClass(ArithmeticDecoder, [{
    key: "byteIn",
    value: function byteIn() {
      var data = this.data;
      var bp = this.bp;

      if (data[bp] === 0xff) {
        if (data[bp + 1] > 0x8f) {
          this.clow += 0xff00;
          this.ct = 8;
        } else {
          bp++;
          this.clow += data[bp] << 9;
          this.ct = 7;
          this.bp = bp;
        }
      } else {
        bp++;
        this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
        this.ct = 8;
        this.bp = bp;
      }

      if (this.clow > 0xffff) {
        this.chigh += this.clow >> 16;
        this.clow &= 0xffff;
      }
    }
  }, {
    key: "readBit",
    value: function readBit(contexts, pos) {
      var cx_index = contexts[pos] >> 1,
          cx_mps = contexts[pos] & 1;
      var qeTableIcx = QeTable[cx_index];
      var qeIcx = qeTableIcx.qe;
      var d;
      var a = this.a - qeIcx;

      if (this.chigh < qeIcx) {
        if (a < qeIcx) {
          a = qeIcx;
          d = cx_mps;
          cx_index = qeTableIcx.nmps;
        } else {
          a = qeIcx;
          d = 1 ^ cx_mps;

          if (qeTableIcx.switchFlag === 1) {
            cx_mps = d;
          }

          cx_index = qeTableIcx.nlps;
        }
      } else {
        this.chigh -= qeIcx;

        if ((a & 0x8000) !== 0) {
          this.a = a;
          return cx_mps;
        }

        if (a < qeIcx) {
          d = 1 ^ cx_mps;

          if (qeTableIcx.switchFlag === 1) {
            cx_mps = d;
          }

          cx_index = qeTableIcx.nlps;
        } else {
          d = cx_mps;
          cx_index = qeTableIcx.nmps;
        }
      }

      do {
        if (this.ct === 0) {
          this.byteIn();
        }

        a <<= 1;
        this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
        this.clow = this.clow << 1 & 0xffff;
        this.ct--;
      } while ((a & 0x8000) === 0);

      this.a = a;
      contexts[pos] = cx_index << 1 | cx_mps;
      return d;
    }
  }]);

  return ArithmeticDecoder;
}();

exports.ArithmeticDecoder = ArithmeticDecoder;

/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.CCITTFaxDecoder = void 0;

var _util = __w_pdfjs_require__(1);

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

var ccittEOL = -2;
var ccittEOF = -1;
var twoDimPass = 0;
var twoDimHoriz = 1;
var twoDimVert0 = 2;
var twoDimVertR1 = 3;
var twoDimVertL1 = 4;
var twoDimVertR2 = 5;
var twoDimVertL2 = 6;
var twoDimVertR3 = 7;
var twoDimVertL3 = 8;
var twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
var whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
var whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
var blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
var blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
var blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];

var CCITTFaxDecoder = /*#__PURE__*/function () {
  function CCITTFaxDecoder(source) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, CCITTFaxDecoder);

    if (!source || typeof source.next !== "function") {
      throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
    }

    this.source = source;
    this.eof = false;
    this.encoding = options.K || 0;
    this.eoline = options.EndOfLine || false;
    this.byteAlign = options.EncodedByteAlign || false;
    this.columns = options.Columns || 1728;
    this.rows = options.Rows || 0;
    var eoblock = options.EndOfBlock;

    if (eoblock === null || eoblock === undefined) {
      eoblock = true;
    }

    this.eoblock = eoblock;
    this.black = options.BlackIs1 || false;
    this.codingLine = new Uint32Array(this.columns + 1);
    this.refLine = new Uint32Array(this.columns + 2);
    this.codingLine[0] = this.columns;
    this.codingPos = 0;
    this.row = 0;
    this.nextLine2D = this.encoding < 0;
    this.inputBits = 0;
    this.inputBuf = 0;
    this.outputBits = 0;
    this.rowsDone = false;
    var code1;

    while ((code1 = this._lookBits(12)) === 0) {
      this._eatBits(1);
    }

    if (code1 === 1) {
      this._eatBits(12);
    }

    if (this.encoding > 0) {
      this.nextLine2D = !this._lookBits(1);

      this._eatBits(1);
    }
  }

  _createClass(CCITTFaxDecoder, [{
    key: "readNextChar",
    value: function readNextChar() {
      if (this.eof) {
        return -1;
      }

      var refLine = this.refLine;
      var codingLine = this.codingLine;
      var columns = this.columns;
      var refPos, blackPixels, bits, i;

      if (this.outputBits === 0) {
        if (this.rowsDone) {
          this.eof = true;
        }

        if (this.eof) {
          return -1;
        }

        this.err = false;
        var code1, code2, code3;

        if (this.nextLine2D) {
          for (i = 0; codingLine[i] < columns; ++i) {
            refLine[i] = codingLine[i];
          }

          refLine[i++] = columns;
          refLine[i] = columns;
          codingLine[0] = 0;
          this.codingPos = 0;
          refPos = 0;
          blackPixels = 0;

          while (codingLine[this.codingPos] < columns) {
            code1 = this._getTwoDimCode();

            switch (code1) {
              case twoDimPass:
                this._addPixels(refLine[refPos + 1], blackPixels);

                if (refLine[refPos + 1] < columns) {
                  refPos += 2;
                }

                break;

              case twoDimHoriz:
                code1 = code2 = 0;

                if (blackPixels) {
                  do {
                    code1 += code3 = this._getBlackCode();
                  } while (code3 >= 64);

                  do {
                    code2 += code3 = this._getWhiteCode();
                  } while (code3 >= 64);
                } else {
                  do {
                    code1 += code3 = this._getWhiteCode();
                  } while (code3 >= 64);

                  do {
                    code2 += code3 = this._getBlackCode();
                  } while (code3 >= 64);
                }

                this._addPixels(codingLine[this.codingPos] + code1, blackPixels);

                if (codingLine[this.codingPos] < columns) {
                  this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
                }

                while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                  refPos += 2;
                }

                break;

              case twoDimVertR3:
                this._addPixels(refLine[refPos] + 3, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  ++refPos;

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVertR2:
                this._addPixels(refLine[refPos] + 2, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  ++refPos;

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVertR1:
                this._addPixels(refLine[refPos] + 1, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  ++refPos;

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVert0:
                this._addPixels(refLine[refPos], blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  ++refPos;

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVertL3:
                this._addPixelsNeg(refLine[refPos] - 3, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  if (refPos > 0) {
                    --refPos;
                  } else {
                    ++refPos;
                  }

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVertL2:
                this._addPixelsNeg(refLine[refPos] - 2, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  if (refPos > 0) {
                    --refPos;
                  } else {
                    ++refPos;
                  }

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case twoDimVertL1:
                this._addPixelsNeg(refLine[refPos] - 1, blackPixels);

                blackPixels ^= 1;

                if (codingLine[this.codingPos] < columns) {
                  if (refPos > 0) {
                    --refPos;
                  } else {
                    ++refPos;
                  }

                  while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
                    refPos += 2;
                  }
                }

                break;

              case ccittEOF:
                this._addPixels(columns, 0);

                this.eof = true;
                break;

              default:
                (0, _util.info)("bad 2d code");

                this._addPixels(columns, 0);

                this.err = true;
            }
          }
        } else {
          codingLine[0] = 0;
          this.codingPos = 0;
          blackPixels = 0;

          while (codingLine[this.codingPos] < columns) {
            code1 = 0;

            if (blackPixels) {
              do {
                code1 += code3 = this._getBlackCode();
              } while (code3 >= 64);
            } else {
              do {
                code1 += code3 = this._getWhiteCode();
              } while (code3 >= 64);
            }

            this._addPixels(codingLine[this.codingPos] + code1, blackPixels);

            blackPixels ^= 1;
          }
        }

        var gotEOL = false;

        if (this.byteAlign) {
          this.inputBits &= ~7;
        }

        if (!this.eoblock && this.row === this.rows - 1) {
          this.rowsDone = true;
        } else {
          code1 = this._lookBits(12);

          if (this.eoline) {
            while (code1 !== ccittEOF && code1 !== 1) {
              this._eatBits(1);

              code1 = this._lookBits(12);
            }
          } else {
            while (code1 === 0) {
              this._eatBits(1);

              code1 = this._lookBits(12);
            }
          }

          if (code1 === 1) {
            this._eatBits(12);

            gotEOL = true;
          } else if (code1 === ccittEOF) {
            this.eof = true;
          }
        }

        if (!this.eof && this.encoding > 0 && !this.rowsDone) {
          this.nextLine2D = !this._lookBits(1);

          this._eatBits(1);
        }

        if (this.eoblock && gotEOL && this.byteAlign) {
          code1 = this._lookBits(12);

          if (code1 === 1) {
            this._eatBits(12);

            if (this.encoding > 0) {
              this._lookBits(1);

              this._eatBits(1);
            }

            if (this.encoding >= 0) {
              for (i = 0; i < 4; ++i) {
                code1 = this._lookBits(12);

                if (code1 !== 1) {
                  (0, _util.info)("bad rtc code: " + code1);
                }

                this._eatBits(12);

                if (this.encoding > 0) {
                  this._lookBits(1);

                  this._eatBits(1);
                }
              }
            }

            this.eof = true;
          }
        } else if (this.err && this.eoline) {
          while (true) {
            code1 = this._lookBits(13);

            if (code1 === ccittEOF) {
              this.eof = true;
              return -1;
            }

            if (code1 >> 1 === 1) {
              break;
            }

            this._eatBits(1);
          }

          this._eatBits(12);

          if (this.encoding > 0) {
            this._eatBits(1);

            this.nextLine2D = !(code1 & 1);
          }
        }

        if (codingLine[0] > 0) {
          this.outputBits = codingLine[this.codingPos = 0];
        } else {
          this.outputBits = codingLine[this.codingPos = 1];
        }

        this.row++;
      }

      var c;

      if (this.outputBits >= 8) {
        c = this.codingPos & 1 ? 0 : 0xff;
        this.outputBits -= 8;

        if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
          this.codingPos++;
          this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
        }
      } else {
        bits = 8;
        c = 0;

        do {
          if (typeof this.outputBits !== "number") {
            throw new _util.FormatError('Invalid /CCITTFaxDecode data, "outputBits" must be a number.');
          }

          if (this.outputBits > bits) {
            c <<= bits;

            if (!(this.codingPos & 1)) {
              c |= 0xff >> 8 - bits;
            }

            this.outputBits -= bits;
            bits = 0;
          } else {
            c <<= this.outputBits;

            if (!(this.codingPos & 1)) {
              c |= 0xff >> 8 - this.outputBits;
            }

            bits -= this.outputBits;
            this.outputBits = 0;

            if (codingLine[this.codingPos] < columns) {
              this.codingPos++;
              this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
            } else if (bits > 0) {
              c <<= bits;
              bits = 0;
            }
          }
        } while (bits);
      }

      if (this.black) {
        c ^= 0xff;
      }

      return c;
    }
  }, {
    key: "_addPixels",
    value: function _addPixels(a1, blackPixels) {
      var codingLine = this.codingLine;
      var codingPos = this.codingPos;

      if (a1 > codingLine[codingPos]) {
        if (a1 > this.columns) {
          (0, _util.info)("row is wrong length");
          this.err = true;
          a1 = this.columns;
        }

        if (codingPos & 1 ^ blackPixels) {
          ++codingPos;
        }

        codingLine[codingPos] = a1;
      }

      this.codingPos = codingPos;
    }
  }, {
    key: "_addPixelsNeg",
    value: function _addPixelsNeg(a1, blackPixels) {
      var codingLine = this.codingLine;
      var codingPos = this.codingPos;

      if (a1 > codingLine[codingPos]) {
        if (a1 > this.columns) {
          (0, _util.info)("row is wrong length");
          this.err = true;
          a1 = this.columns;
        }

        if (codingPos & 1 ^ blackPixels) {
          ++codingPos;
        }

        codingLine[codingPos] = a1;
      } else if (a1 < codingLine[codingPos]) {
        if (a1 < 0) {
          (0, _util.info)("invalid code");
          this.err = true;
          a1 = 0;
        }

        while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
          --codingPos;
        }

        codingLine[codingPos] = a1;
      }

      this.codingPos = codingPos;
    }
  }, {
    key: "_findTableCode",
    value: function _findTableCode(start, end, table, limit) {
      var limitValue = limit || 0;

      for (var i = start; i <= end; ++i) {
        var code = this._lookBits(i);

        if (code === ccittEOF) {
          return [true, 1, false];
        }

        if (i < end) {
          code <<= end - i;
        }

        if (!limitValue || code >= limitValue) {
          var p = table[code - limitValue];

          if (p[0] === i) {
            this._eatBits(i);

            return [true, p[1], true];
          }
        }
      }

      return [false, 0, false];
    }
  }, {
    key: "_getTwoDimCode",
    value: function _getTwoDimCode() {
      var code = 0;
      var p;

      if (this.eoblock) {
        code = this._lookBits(7);
        p = twoDimTable[code];

        if (p && p[0] > 0) {
          this._eatBits(p[0]);

          return p[1];
        }
      } else {
        var result = this._findTableCode(1, 7, twoDimTable);

        if (result[0] && result[2]) {
          return result[1];
        }
      }

      (0, _util.info)("Bad two dim code");
      return ccittEOF;
    }
  }, {
    key: "_getWhiteCode",
    value: function _getWhiteCode() {
      var code = 0;
      var p;

      if (this.eoblock) {
        code = this._lookBits(12);

        if (code === ccittEOF) {
          return 1;
        }

        if (code >> 5 === 0) {
          p = whiteTable1[code];
        } else {
          p = whiteTable2[code >> 3];
        }

        if (p[0] > 0) {
          this._eatBits(p[0]);

          return p[1];
        }
      } else {
        var result = this._findTableCode(1, 9, whiteTable2);

        if (result[0]) {
          return result[1];
        }

        result = this._findTableCode(11, 12, whiteTable1);

        if (result[0]) {
          return result[1];
        }
      }

      (0, _util.info)("bad white code");

      this._eatBits(1);

      return 1;
    }
  }, {
    key: "_getBlackCode",
    value: function _getBlackCode() {
      var code, p;

      if (this.eoblock) {
        code = this._lookBits(13);

        if (code === ccittEOF) {
          return 1;
        }

        if (code >> 7 === 0) {
          p = blackTable1[code];
        } else if (code >> 9 === 0 && code >> 7 !== 0) {
          p = blackTable2[(code >> 1) - 64];
        } else {
          p = blackTable3[code >> 7];
        }

        if (p[0] > 0) {
          this._eatBits(p[0]);

          return p[1];
        }
      } else {
        var result = this._findTableCode(2, 6, blackTable3);

        if (result[0]) {
          return result[1];
        }

        result = this._findTableCode(7, 12, blackTable2, 64);

        if (result[0]) {
          return result[1];
        }

        result = this._findTableCode(10, 13, blackTable1);

        if (result[0]) {
          return result[1];
        }
      }

      (0, _util.info)("bad black code");

      this._eatBits(1);

      return 1;
    }
  }, {
    key: "_lookBits",
    value: function _lookBits(n) {
      var c;

      while (this.inputBits < n) {
        if ((c = this.source.next()) === -1) {
          if (this.inputBits === 0) {
            return ccittEOF;
          }

          return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
        }

        this.inputBuf = this.inputBuf << 8 | c;
        this.inputBits += 8;
      }

      return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
    }
  }, {
    key: "_eatBits",
    value: function _eatBits(n) {
      if ((this.inputBits -= n) < 0) {
        this.inputBits = 0;
      }
    }
  }]);

  return CCITTFaxDecoder;
}();

exports.CCITTFaxDecoder = CCITTFaxDecoder;

/***/ }),
/* 13 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.JpegImage = void 0;

var _util = __w_pdfjs_require__(1);

var _core_utils = __w_pdfjs_require__(6);

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var JpegError = /*#__PURE__*/function (_BaseException) {
  _inherits(JpegError, _BaseException);

  var _super = _createSuper(JpegError);

  function JpegError(msg) {
    _classCallCheck(this, JpegError);

    return _super.call(this, "JPEG error: ".concat(msg), "JpegError");
  }

  return _createClass(JpegError);
}(_util.BaseException);

var DNLMarkerError = /*#__PURE__*/function (_BaseException2) {
  _inherits(DNLMarkerError, _BaseException2);

  var _super2 = _createSuper(DNLMarkerError);

  function DNLMarkerError(message, scanLines) {
    var _this;

    _classCallCheck(this, DNLMarkerError);

    _this = _super2.call(this, message, "DNLMarkerError");
    _this.scanLines = scanLines;
    return _this;
  }

  return _createClass(DNLMarkerError);
}(_util.BaseException);

var EOIMarkerError = /*#__PURE__*/function (_BaseException3) {
  _inherits(EOIMarkerError, _BaseException3);

  var _super3 = _createSuper(EOIMarkerError);

  function EOIMarkerError(msg) {
    _classCallCheck(this, EOIMarkerError);

    return _super3.call(this, msg, "EOIMarkerError");
  }

  return _createClass(EOIMarkerError);
}(_util.BaseException);

var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
var dctCos1 = 4017;
var dctSin1 = 799;
var dctCos3 = 3406;
var dctSin3 = 2276;
var dctCos6 = 1567;
var dctSin6 = 3784;
var dctSqrt2 = 5793;
var dctSqrt1d2 = 2896;

function buildHuffmanTable(codeLengths, values) {
  var k = 0,
      i,
      j,
      length = 16;

  while (length > 0 && !codeLengths[length - 1]) {
    length--;
  }

  var code = [{
    children: [],
    index: 0
  }];
  var p = code[0],
      q;

  for (i = 0; i < length; i++) {
    for (j = 0; j < codeLengths[i]; j++) {
      p = code.pop();
      p.children[p.index] = values[k];

      while (p.index > 0) {
        p = code.pop();
      }

      p.index++;
      code.push(p);

      while (code.length <= i) {
        code.push(q = {
          children: [],
          index: 0
        });
        p.children[p.index] = q.children;
        p = q;
      }

      k++;
    }

    if (i + 1 < length) {
      code.push(q = {
        children: [],
        index: 0
      });
      p.children[p.index] = q.children;
      p = q;
    }
  }

  return code[0].children;
}

function getBlockBufferOffset(component, row, col) {
  return 64 * ((component.blocksPerLine + 1) * row + col);
}

function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
  var parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false;
  var mcusPerLine = frame.mcusPerLine;
  var progressive = frame.progressive;
  var startOffset = offset;
  var bitsData = 0,
      bitsCount = 0;

  function readBit() {
    if (bitsCount > 0) {
      bitsCount--;
      return bitsData >> bitsCount & 1;
    }

    bitsData = data[offset++];

    if (bitsData === 0xff) {
      var nextByte = data[offset++];

      if (nextByte) {
        if (nextByte === 0xdc && parseDNLMarker) {
          offset += 2;
          var scanLines = (0, _core_utils.readUint16)(data, offset);
          offset += 2;

          if (scanLines > 0 && scanLines !== frame.scanLines) {
            throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
          }
        } else if (nextByte === 0xd9) {
          if (parseDNLMarker) {
            var maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);

            if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
              throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
            }
          }

          throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
        }

        throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16)));
      }
    }

    bitsCount = 7;
    return bitsData >>> 7;
  }

  function decodeHuffman(tree) {
    var node = tree;

    while (true) {
      node = node[readBit()];

      switch (_typeof(node)) {
        case "number":
          return node;

        case "object":
          continue;
      }

      throw new JpegError("invalid huffman sequence");
    }
  }

  function receive(length) {
    var n = 0;

    while (length > 0) {
      n = n << 1 | readBit();
      length--;
    }

    return n;
  }

  function receiveAndExtend(length) {
    if (length === 1) {
      return readBit() === 1 ? 1 : -1;
    }

    var n = receive(length);

    if (n >= 1 << length - 1) {
      return n;
    }

    return n + (-1 << length) + 1;
  }

  function decodeBaseline(component, blockOffset) {
    var t = decodeHuffman(component.huffmanTableDC);
    var diff = t === 0 ? 0 : receiveAndExtend(t);
    component.blockData[blockOffset] = component.pred += diff;
    var k = 1;

    while (k < 64) {
      var rs = decodeHuffman(component.huffmanTableAC);
      var s = rs & 15,
          r = rs >> 4;

      if (s === 0) {
        if (r < 15) {
          break;
        }

        k += 16;
        continue;
      }

      k += r;
      var z = dctZigZag[k];
      component.blockData[blockOffset + z] = receiveAndExtend(s);
      k++;
    }
  }

  function decodeDCFirst(component, blockOffset) {
    var t = decodeHuffman(component.huffmanTableDC);
    var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
    component.blockData[blockOffset] = component.pred += diff;
  }

  function decodeDCSuccessive(component, blockOffset) {
    component.blockData[blockOffset] |= readBit() << successive;
  }

  var eobrun = 0;

  function decodeACFirst(component, blockOffset) {
    if (eobrun > 0) {
      eobrun--;
      return;
    }

    var k = spectralStart;
    var e = spectralEnd;

    while (k <= e) {
      var rs = decodeHuffman(component.huffmanTableAC);
      var s = rs & 15,
          r = rs >> 4;

      if (s === 0) {
        if (r < 15) {
          eobrun = receive(r) + (1 << r) - 1;
          break;
        }

        k += 16;
        continue;
      }

      k += r;
      var z = dctZigZag[k];
      component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
      k++;
    }
  }

  var successiveACState = 0,
      successiveACNextValue;

  function decodeACSuccessive(component, blockOffset) {
    var k = spectralStart;
    var e = spectralEnd;
    var r = 0;
    var s;
    var rs;

    while (k <= e) {
      var offsetZ = blockOffset + dctZigZag[k];
      var sign = component.blockData[offsetZ] < 0 ? -1 : 1;

      switch (successiveACState) {
        case 0:
          rs = decodeHuffman(component.huffmanTableAC);
          s = rs & 15;
          r = rs >> 4;

          if (s === 0) {
            if (r < 15) {
              eobrun = receive(r) + (1 << r);
              successiveACState = 4;
            } else {
              r = 16;
              successiveACState = 1;
            }
          } else {
            if (s !== 1) {
              throw new JpegError("invalid ACn encoding");
            }

            successiveACNextValue = receiveAndExtend(s);
            successiveACState = r ? 2 : 3;
          }

          continue;

        case 1:
        case 2:
          if (component.blockData[offsetZ]) {
            component.blockData[offsetZ] += sign * (readBit() << successive);
          } else {
            r--;

            if (r === 0) {
              successiveACState = successiveACState === 2 ? 3 : 0;
            }
          }

          break;

        case 3:
          if (component.blockData[offsetZ]) {
            component.blockData[offsetZ] += sign * (readBit() << successive);
          } else {
            component.blockData[offsetZ] = successiveACNextValue << successive;
            successiveACState = 0;
          }

          break;

        case 4:
          if (component.blockData[offsetZ]) {
            component.blockData[offsetZ] += sign * (readBit() << successive);
          }

          break;
      }

      k++;
    }

    if (successiveACState === 4) {
      eobrun--;

      if (eobrun === 0) {
        successiveACState = 0;
      }
    }
  }

  var blockRow = 0;

  function decodeMcu(component, decode, mcu, row, col) {
    var mcuRow = mcu / mcusPerLine | 0;
    var mcuCol = mcu % mcusPerLine;
    blockRow = mcuRow * component.v + row;
    var blockCol = mcuCol * component.h + col;
    var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
    decode(component, blockOffset);
  }

  function decodeBlock(component, decode, mcu) {
    blockRow = mcu / component.blocksPerLine | 0;
    var blockCol = mcu % component.blocksPerLine;
    var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
    decode(component, blockOffset);
  }

  var componentsLength = components.length;
  var component, i, j, k, n;
  var decodeFn;

  if (progressive) {
    if (spectralStart === 0) {
      decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
    } else {
      decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
    }
  } else {
    decodeFn = decodeBaseline;
  }

  var mcu = 0,
      fileMarker;
  var mcuExpected;

  if (componentsLength === 1) {
    mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
  } else {
    mcuExpected = mcusPerLine * frame.mcusPerColumn;
  }

  var h, v;

  while (mcu <= mcuExpected) {
    var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;

    if (mcuToRead > 0) {
      for (i = 0; i < componentsLength; i++) {
        components[i].pred = 0;
      }

      eobrun = 0;

      if (componentsLength === 1) {
        component = components[0];

        for (n = 0; n < mcuToRead; n++) {
          decodeBlock(component, decodeFn, mcu);
          mcu++;
        }
      } else {
        for (n = 0; n < mcuToRead; n++) {
          for (i = 0; i < componentsLength; i++) {
            component = components[i];
            h = component.h;
            v = component.v;

            for (j = 0; j < v; j++) {
              for (k = 0; k < h; k++) {
                decodeMcu(component, decodeFn, mcu, j, k);
              }
            }
          }

          mcu++;
        }
      }
    }

    bitsCount = 0;
    fileMarker = findNextFileMarker(data, offset);

    if (!fileMarker) {
      break;
    }

    if (fileMarker.invalid) {
      var partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
      (0, _util.warn)("decodeScan - ".concat(partialMsg, " MCU data, current marker is: ").concat(fileMarker.invalid));
      offset = fileMarker.offset;
    }

    if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
      offset += 2;
    } else {
      break;
    }
  }

  return offset - startOffset;
}

function quantizeAndInverse(component, blockBufferOffset, p) {
  var qt = component.quantizationTable,
      blockData = component.blockData;
  var v0, v1, v2, v3, v4, v5, v6, v7;
  var p0, p1, p2, p3, p4, p5, p6, p7;
  var t;

  if (!qt) {
    throw new JpegError("missing required Quantization Table.");
  }

  for (var row = 0; row < 64; row += 8) {
    p0 = blockData[blockBufferOffset + row];
    p1 = blockData[blockBufferOffset + row + 1];
    p2 = blockData[blockBufferOffset + row + 2];
    p3 = blockData[blockBufferOffset + row + 3];
    p4 = blockData[blockBufferOffset + row + 4];
    p5 = blockData[blockBufferOffset + row + 5];
    p6 = blockData[blockBufferOffset + row + 6];
    p7 = blockData[blockBufferOffset + row + 7];
    p0 *= qt[row];

    if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
      t = dctSqrt2 * p0 + 512 >> 10;
      p[row] = t;
      p[row + 1] = t;
      p[row + 2] = t;
      p[row + 3] = t;
      p[row + 4] = t;
      p[row + 5] = t;
      p[row + 6] = t;
      p[row + 7] = t;
      continue;
    }

    p1 *= qt[row + 1];
    p2 *= qt[row + 2];
    p3 *= qt[row + 3];
    p4 *= qt[row + 4];
    p5 *= qt[row + 5];
    p6 *= qt[row + 6];
    p7 *= qt[row + 7];
    v0 = dctSqrt2 * p0 + 128 >> 8;
    v1 = dctSqrt2 * p4 + 128 >> 8;
    v2 = p2;
    v3 = p6;
    v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
    v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
    v5 = p3 << 4;
    v6 = p5 << 4;
    v0 = v0 + v1 + 1 >> 1;
    v1 = v0 - v1;
    t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
    v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
    v3 = t;
    v4 = v4 + v6 + 1 >> 1;
    v6 = v4 - v6;
    v7 = v7 + v5 + 1 >> 1;
    v5 = v7 - v5;
    v0 = v0 + v3 + 1 >> 1;
    v3 = v0 - v3;
    v1 = v1 + v2 + 1 >> 1;
    v2 = v1 - v2;
    t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
    v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
    v7 = t;
    t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
    v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
    v6 = t;
    p[row] = v0 + v7;
    p[row + 7] = v0 - v7;
    p[row + 1] = v1 + v6;
    p[row + 6] = v1 - v6;
    p[row + 2] = v2 + v5;
    p[row + 5] = v2 - v5;
    p[row + 3] = v3 + v4;
    p[row + 4] = v3 - v4;
  }

  for (var col = 0; col < 8; ++col) {
    p0 = p[col];
    p1 = p[col + 8];
    p2 = p[col + 16];
    p3 = p[col + 24];
    p4 = p[col + 32];
    p5 = p[col + 40];
    p6 = p[col + 48];
    p7 = p[col + 56];

    if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
      t = dctSqrt2 * p0 + 8192 >> 14;

      if (t < -2040) {
        t = 0;
      } else if (t >= 2024) {
        t = 255;
      } else {
        t = t + 2056 >> 4;
      }

      blockData[blockBufferOffset + col] = t;
      blockData[blockBufferOffset + col + 8] = t;
      blockData[blockBufferOffset + col + 16] = t;
      blockData[blockBufferOffset + col + 24] = t;
      blockData[blockBufferOffset + col + 32] = t;
      blockData[blockBufferOffset + col + 40] = t;
      blockData[blockBufferOffset + col + 48] = t;
      blockData[blockBufferOffset + col + 56] = t;
      continue;
    }

    v0 = dctSqrt2 * p0 + 2048 >> 12;
    v1 = dctSqrt2 * p4 + 2048 >> 12;
    v2 = p2;
    v3 = p6;
    v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
    v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
    v5 = p3;
    v6 = p5;
    v0 = (v0 + v1 + 1 >> 1) + 4112;
    v1 = v0 - v1;
    t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
    v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
    v3 = t;
    v4 = v4 + v6 + 1 >> 1;
    v6 = v4 - v6;
    v7 = v7 + v5 + 1 >> 1;
    v5 = v7 - v5;
    v0 = v0 + v3 + 1 >> 1;
    v3 = v0 - v3;
    v1 = v1 + v2 + 1 >> 1;
    v2 = v1 - v2;
    t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
    v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
    v7 = t;
    t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
    v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
    v6 = t;
    p0 = v0 + v7;
    p7 = v0 - v7;
    p1 = v1 + v6;
    p6 = v1 - v6;
    p2 = v2 + v5;
    p5 = v2 - v5;
    p3 = v3 + v4;
    p4 = v3 - v4;

    if (p0 < 16) {
      p0 = 0;
    } else if (p0 >= 4080) {
      p0 = 255;
    } else {
      p0 >>= 4;
    }

    if (p1 < 16) {
      p1 = 0;
    } else if (p1 >= 4080) {
      p1 = 255;
    } else {
      p1 >>= 4;
    }

    if (p2 < 16) {
      p2 = 0;
    } else if (p2 >= 4080) {
      p2 = 255;
    } else {
      p2 >>= 4;
    }

    if (p3 < 16) {
      p3 = 0;
    } else if (p3 >= 4080) {
      p3 = 255;
    } else {
      p3 >>= 4;
    }

    if (p4 < 16) {
      p4 = 0;
    } else if (p4 >= 4080) {
      p4 = 255;
    } else {
      p4 >>= 4;
    }

    if (p5 < 16) {
      p5 = 0;
    } else if (p5 >= 4080) {
      p5 = 255;
    } else {
      p5 >>= 4;
    }

    if (p6 < 16) {
      p6 = 0;
    } else if (p6 >= 4080) {
      p6 = 255;
    } else {
      p6 >>= 4;
    }

    if (p7 < 16) {
      p7 = 0;
    } else if (p7 >= 4080) {
      p7 = 255;
    } else {
      p7 >>= 4;
    }

    blockData[blockBufferOffset + col] = p0;
    blockData[blockBufferOffset + col + 8] = p1;
    blockData[blockBufferOffset + col + 16] = p2;
    blockData[blockBufferOffset + col + 24] = p3;
    blockData[blockBufferOffset + col + 32] = p4;
    blockData[blockBufferOffset + col + 40] = p5;
    blockData[blockBufferOffset + col + 48] = p6;
    blockData[blockBufferOffset + col + 56] = p7;
  }
}

function buildComponentData(frame, component) {
  var blocksPerLine = component.blocksPerLine;
  var blocksPerColumn = component.blocksPerColumn;
  var computationBuffer = new Int16Array(64);

  for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
    for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
      var offset = getBlockBufferOffset(component, blockRow, blockCol);
      quantizeAndInverse(component, offset, computationBuffer);
    }
  }

  return component.blockData;
}

function findNextFileMarker(data, currentPos) {
  var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos;
  var maxPos = data.length - 1;
  var newPos = startPos < currentPos ? startPos : currentPos;

  if (currentPos >= maxPos) {
    return null;
  }

  var currentMarker = (0, _core_utils.readUint16)(data, currentPos);

  if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
    return {
      invalid: null,
      marker: currentMarker,
      offset: currentPos
    };
  }

  var newMarker = (0, _core_utils.readUint16)(data, newPos);

  while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
    if (++newPos >= maxPos) {
      return null;
    }

    newMarker = (0, _core_utils.readUint16)(data, newPos);
  }

  return {
    invalid: currentMarker.toString(16),
    marker: newMarker,
    offset: newPos
  };
}

var JpegImage = /*#__PURE__*/function () {
  function JpegImage() {
    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
        _ref$decodeTransform = _ref.decodeTransform,
        decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform,
        _ref$colorTransform = _ref.colorTransform,
        colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform;

    _classCallCheck(this, JpegImage);

    this._decodeTransform = decodeTransform;
    this._colorTransform = colorTransform;
  }

  _createClass(JpegImage, [{
    key: "parse",
    value: function parse(data) {
      var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
          _ref2$dnlScanLines = _ref2.dnlScanLines,
          dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines;

      function readDataBlock() {
        var length = (0, _core_utils.readUint16)(data, offset);
        offset += 2;
        var endOffset = offset + length - 2;
        var fileMarker = findNextFileMarker(data, endOffset, offset);

        if (fileMarker && fileMarker.invalid) {
          (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
          endOffset = fileMarker.offset;
        }

        var array = data.subarray(offset, endOffset);
        offset += array.length;
        return array;
      }

      function prepareComponents(frame) {
        var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
        var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);

        for (var i = 0, ii = frame.components.length; i < ii; i++) {
          var component = frame.components[i];
          var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
          var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
          var blocksPerLineForMcu = mcusPerLine * component.h;
          var blocksPerColumnForMcu = mcusPerColumn * component.v;
          var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
          component.blockData = new Int16Array(blocksBufferSize);
          component.blocksPerLine = blocksPerLine;
          component.blocksPerColumn = blocksPerColumn;
        }

        frame.mcusPerLine = mcusPerLine;
        frame.mcusPerColumn = mcusPerColumn;
      }

      var offset = 0;
      var jfif = null;
      var adobe = null;
      var frame, resetInterval;
      var numSOSMarkers = 0;
      var quantizationTables = [];
      var huffmanTablesAC = [],
          huffmanTablesDC = [];
      var fileMarker = (0, _core_utils.readUint16)(data, offset);
      offset += 2;

      if (fileMarker !== 0xffd8) {
        throw new JpegError("SOI not found");
      }

      fileMarker = (0, _core_utils.readUint16)(data, offset);
      offset += 2;

      markerLoop: while (fileMarker !== 0xffd9) {
        var i = void 0,
            j = void 0,
            l = void 0;

        switch (fileMarker) {
          case 0xffe0:
          case 0xffe1:
          case 0xffe2:
          case 0xffe3:
          case 0xffe4:
          case 0xffe5:
          case 0xffe6:
          case 0xffe7:
          case 0xffe8:
          case 0xffe9:
          case 0xffea:
          case 0xffeb:
          case 0xffec:
          case 0xffed:
          case 0xffee:
          case 0xffef:
          case 0xfffe:
            var appData = readDataBlock();

            if (fileMarker === 0xffe0) {
              if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
                jfif = {
                  version: {
                    major: appData[5],
                    minor: appData[6]
                  },
                  densityUnits: appData[7],
                  xDensity: appData[8] << 8 | appData[9],
                  yDensity: appData[10] << 8 | appData[11],
                  thumbWidth: appData[12],
                  thumbHeight: appData[13],
                  thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
                };
              }
            }

            if (fileMarker === 0xffee) {
              if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
                adobe = {
                  version: appData[5] << 8 | appData[6],
                  flags0: appData[7] << 8 | appData[8],
                  flags1: appData[9] << 8 | appData[10],
                  transformCode: appData[11]
                };
              }
            }

            break;

          case 0xffdb:
            var quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
            offset += 2;
            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
            var z = void 0;

            while (offset < quantizationTablesEnd) {
              var quantizationTableSpec = data[offset++];
              var tableData = new Uint16Array(64);

              if (quantizationTableSpec >> 4 === 0) {
                for (j = 0; j < 64; j++) {
                  z = dctZigZag[j];
                  tableData[z] = data[offset++];
                }
              } else if (quantizationTableSpec >> 4 === 1) {
                for (j = 0; j < 64; j++) {
                  z = dctZigZag[j];
                  tableData[z] = (0, _core_utils.readUint16)(data, offset);
                  offset += 2;
                }
              } else {
                throw new JpegError("DQT - invalid table spec");
              }

              quantizationTables[quantizationTableSpec & 15] = tableData;
            }

            break;

          case 0xffc0:
          case 0xffc1:
          case 0xffc2:
            if (frame) {
              throw new JpegError("Only single frame JPEGs supported");
            }

            offset += 2;
            frame = {};
            frame.extended = fileMarker === 0xffc1;
            frame.progressive = fileMarker === 0xffc2;
            frame.precision = data[offset++];
            var sofScanLines = (0, _core_utils.readUint16)(data, offset);
            offset += 2;
            frame.scanLines = dnlScanLines || sofScanLines;
            frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
            offset += 2;
            frame.components = [];
            frame.componentIds = {};
            var componentsCount = data[offset++];
            var maxH = 0,
                maxV = 0;

            for (i = 0; i < componentsCount; i++) {
              var componentId = data[offset];
              var h = data[offset + 1] >> 4;
              var v = data[offset + 1] & 15;

              if (maxH < h) {
                maxH = h;
              }

              if (maxV < v) {
                maxV = v;
              }

              var qId = data[offset + 2];
              l = frame.components.push({
                h: h,
                v: v,
                quantizationId: qId,
                quantizationTable: null
              });
              frame.componentIds[componentId] = l - 1;
              offset += 3;
            }

            frame.maxH = maxH;
            frame.maxV = maxV;
            prepareComponents(frame);
            break;

          case 0xffc4:
            var huffmanLength = (0, _core_utils.readUint16)(data, offset);
            offset += 2;

            for (i = 2; i < huffmanLength;) {
              var huffmanTableSpec = data[offset++];
              var codeLengths = new Uint8Array(16);
              var codeLengthSum = 0;

              for (j = 0; j < 16; j++, offset++) {
                codeLengthSum += codeLengths[j] = data[offset];
              }

              var huffmanValues = new Uint8Array(codeLengthSum);

              for (j = 0; j < codeLengthSum; j++, offset++) {
                huffmanValues[j] = data[offset];
              }

              i += 17 + codeLengthSum;
              (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
            }

            break;

          case 0xffdd:
            offset += 2;
            resetInterval = (0, _core_utils.readUint16)(data, offset);
            offset += 2;
            break;

          case 0xffda:
            var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
            offset += 2;
            var selectorsCount = data[offset++],
                components = [];

            for (i = 0; i < selectorsCount; i++) {
              var index = data[offset++];
              var componentIndex = frame.componentIds[index];
              var component = frame.components[componentIndex];
              component.index = index;
              var tableSpec = data[offset++];
              component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
              component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
              components.push(component);
            }

            var spectralStart = data[offset++],
                spectralEnd = data[offset++],
                successiveApproximation = data[offset++];

            try {
              var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
              offset += processed;
            } catch (ex) {
              if (ex instanceof DNLMarkerError) {
                (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image."));
                return this.parse(data, {
                  dnlScanLines: ex.scanLines
                });
              } else if (ex instanceof EOIMarkerError) {
                (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data."));
                break markerLoop;
              }

              throw ex;
            }

            break;

          case 0xffdc:
            offset += 4;
            break;

          case 0xffff:
            if (data[offset] !== 0xff) {
              offset--;
            }

            break;

          default:
            var nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);

            if (nextFileMarker && nextFileMarker.invalid) {
              (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
              offset = nextFileMarker.offset;
              break;
            }

            if (!nextFileMarker || offset >= data.length - 1) {
              (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
              break markerLoop;
            }

            throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
        }

        fileMarker = (0, _core_utils.readUint16)(data, offset);
        offset += 2;
      }

      this.width = frame.samplesPerLine;
      this.height = frame.scanLines;
      this.jfif = jfif;
      this.adobe = adobe;
      this.components = [];

      for (var _i = 0, ii = frame.components.length; _i < ii; _i++) {
        var _component = frame.components[_i];
        var quantizationTable = quantizationTables[_component.quantizationId];

        if (quantizationTable) {
          _component.quantizationTable = quantizationTable;
        }

        this.components.push({
          index: _component.index,
          output: buildComponentData(frame, _component),
          scaleX: _component.h / frame.maxH,
          scaleY: _component.v / frame.maxV,
          blocksPerLine: _component.blocksPerLine,
          blocksPerColumn: _component.blocksPerColumn
        });
      }

      this.numComponents = this.components.length;
      return undefined;
    }
  }, {
    key: "_getLinearizedBlockData",
    value: function _getLinearizedBlockData(width, height) {
      var isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      var scaleX = this.width / width,
          scaleY = this.height / height;
      var component, componentScaleX, componentScaleY, blocksPerScanline;
      var x, y, i, j, k;
      var index;
      var offset = 0;
      var output;
      var numComponents = this.components.length;
      var dataLength = width * height * numComponents;
      var data = new Uint8ClampedArray(dataLength);
      var xScaleBlockOffset = new Uint32Array(width);
      var mask3LSB = 0xfffffff8;
      var lastComponentScaleX;

      for (i = 0; i < numComponents; i++) {
        component = this.components[i];
        componentScaleX = component.scaleX * scaleX;
        componentScaleY = component.scaleY * scaleY;
        offset = i;
        output = component.output;
        blocksPerScanline = component.blocksPerLine + 1 << 3;

        if (componentScaleX !== lastComponentScaleX) {
          for (x = 0; x < width; x++) {
            j = 0 | x * componentScaleX;
            xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
          }

          lastComponentScaleX = componentScaleX;
        }

        for (y = 0; y < height; y++) {
          j = 0 | y * componentScaleY;
          index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;

          for (x = 0; x < width; x++) {
            data[offset] = output[index + xScaleBlockOffset[x]];
            offset += numComponents;
          }
        }
      }

      var transform = this._decodeTransform;

      if (!isSourcePDF && numComponents === 4 && !transform) {
        transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
      }

      if (transform) {
        for (i = 0; i < dataLength;) {
          for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
            data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
          }
        }
      }

      return data;
    }
  }, {
    key: "_isColorConversionNeeded",
    get: function get() {
      if (this.adobe) {
        return !!this.adobe.transformCode;
      }

      if (this.numComponents === 3) {
        if (this._colorTransform === 0) {
          return false;
        } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
          return false;
        }

        return true;
      }

      if (this._colorTransform === 1) {
        return true;
      }

      return false;
    }
  }, {
    key: "_convertYccToRgb",
    value: function _convertYccToRgb(data) {
      var Y, Cb, Cr;

      for (var i = 0, length = data.length; i < length; i += 3) {
        Y = data[i];
        Cb = data[i + 1];
        Cr = data[i + 2];
        data[i] = Y - 179.456 + 1.402 * Cr;
        data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
        data[i + 2] = Y - 226.816 + 1.772 * Cb;
      }

      return data;
    }
  }, {
    key: "_convertYcckToRgb",
    value: function _convertYcckToRgb(data) {
      var Y, Cb, Cr, k;
      var offset = 0;

      for (var i = 0, length = data.length; i < length; i += 4) {
        Y = data[i];
        Cb = data[i + 1];
        Cr = data[i + 2];
        k = data[i + 3];
        data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
        data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
        data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
      }

      return data.subarray(0, offset);
    }
  }, {
    key: "_convertYcckToCmyk",
    value: function _convertYcckToCmyk(data) {
      var Y, Cb, Cr;

      for (var i = 0, length = data.length; i < length; i += 4) {
        Y = data[i];
        Cb = data[i + 1];
        Cr = data[i + 2];
        data[i] = 434.456 - Y - 1.402 * Cr;
        data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
        data[i + 2] = 481.816 - Y - 1.772 * Cb;
      }

      return data;
    }
  }, {
    key: "_convertCmykToRgb",
    value: function _convertCmykToRgb(data) {
      var c, m, y, k;
      var offset = 0;

      for (var i = 0, length = data.length; i < length; i += 4) {
        c = data[i];
        m = data[i + 1];
        y = data[i + 2];
        k = data[i + 3];
        data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
        data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.0003189131175883281 * k + 0.7364883807733168);
        data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
      }

      return data.subarray(0, offset);
    }
  }, {
    key: "getData",
    value: function getData(_ref3) {
      var width = _ref3.width,
          height = _ref3.height,
          _ref3$forceRGB = _ref3.forceRGB,
          forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB,
          _ref3$isSourcePDF = _ref3.isSourcePDF,
          isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF;

      if (this.numComponents > 4) {
        throw new JpegError("Unsupported color mode");
      }

      var data = this._getLinearizedBlockData(width, height, isSourcePDF);

      if (this.numComponents === 1 && forceRGB) {
        var dataLength = data.length;
        var rgbData = new Uint8ClampedArray(dataLength * 3);
        var offset = 0;

        for (var i = 0; i < dataLength; i++) {
          var grayColor = data[i];
          rgbData[offset++] = grayColor;
          rgbData[offset++] = grayColor;
          rgbData[offset++] = grayColor;
        }

        return rgbData;
      } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
        return this._convertYccToRgb(data);
      } else if (this.numComponents === 4) {
        if (this._isColorConversionNeeded) {
          if (forceRGB) {
            return this._convertYcckToRgb(data);
          }

          return this._convertYcckToCmyk(data);
        } else if (forceRGB) {
          return this._convertCmykToRgb(data);
        }
      }

      return data;
    }
  }]);

  return JpegImage;
}();

exports.JpegImage = JpegImage;

/***/ }),
/* 14 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {



function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.JpxImage = void 0;

var _util = __w_pdfjs_require__(1);

var _core_utils = __w_pdfjs_require__(6);

var _arithmetic_decoder = __w_pdfjs_require__(11);

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

var JpxError = /*#__PURE__*/function (_BaseException) {
  _inherits(JpxError, _BaseException);

  var _super = _createSuper(JpxError);

  function JpxError(msg) {
    _classCallCheck(this, JpxError);

    return _super.call(this, "JPX error: ".concat(msg), "JpxError");
  }

  return _createClass(JpxError);
}(_util.BaseException);

var SubbandsGainLog2 = {
  LL: 0,
  LH: 1,
  HL: 1,
  HH: 2
};

var JpxImage = /*#__PURE__*/function () {
  function JpxImage() {
    _classCallCheck(this, JpxImage);

    this.failOnCorruptedImage = false;
  }

  _createClass(JpxImage, [{
    key: "parse",
    value: function parse(data) {
      var head = (0, _core_utils.readUint16)(data, 0);

      if (head === 0xff4f) {
        this.parseCodestream(data, 0, data.length);
        return;
      }

      var length = data.length;
      var position = 0;

      while (position < length) {
        var headerSize = 8;
        var lbox = (0, _core_utils.readUint32)(data, position);
        var tbox = (0, _core_utils.readUint32)(data, position + 4);
        position += headerSize;

        if (lbox === 1) {
          lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
          position += 8;
          headerSize += 8;
        }

        if (lbox === 0) {
          lbox = length - position + headerSize;
        }

        if (lbox < headerSize) {
          throw new JpxError("Invalid box field size");
        }

        var dataLength = lbox - headerSize;
        var jumpDataLength = true;

        switch (tbox) {
          case 0x6a703268:
            jumpDataLength = false;
            break;

          case 0x636f6c72:
            var method = data[position];

            if (method === 1) {
              var colorspace = (0, _core_utils.readUint32)(data, position + 3);

              switch (colorspace) {
                case 16:
                case 17:
                case 18:
                  break;

                default:
                  (0, _util.warn)("Unknown colorspace " + colorspace);
                  break;
              }
            } else if (method === 2) {
              (0, _util.info)("ICC profile not supported");
            }

            break;

          case 0x6a703263:
            this.parseCodestream(data, position, position + dataLength);
            break;

          case 0x6a502020:
            if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
              (0, _util.warn)("Invalid JP2 signature");
            }

            break;

          case 0x6a501a1a:
          case 0x66747970:
          case 0x72726571:
          case 0x72657320:
          case 0x69686472:
            break;

          default:
            var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
            (0, _util.warn)("Unsupported header type ".concat(tbox, " (").concat(headerType, ")."));
            break;
        }

        if (jumpDataLength) {
          position += dataLength;
        }
      }
    }
  }, {
    key: "parseImageProperties",
    value: function parseImageProperties(stream) {
      var newByte = stream.getByte();

      while (newByte >= 0) {
        var oldByte = newByte;
        newByte = stream.getByte();
        var code = oldByte << 8 | newByte;

        if (code === 0xff51) {
          stream.skip(4);
          var Xsiz = stream.getInt32() >>> 0;
          var Ysiz = stream.getInt32() >>> 0;
          var XOsiz = stream.getInt32() >>> 0;
          var YOsiz = stream.getInt32() >>> 0;
          stream.skip(16);
          var Csiz = stream.getUint16();
          this.width = Xsiz - XOsiz;
          this.height = Ysiz - YOsiz;
          this.componentsCount = Csiz;
          this.bitsPerComponent = 8;
          return;
        }
      }

      throw new JpxError("No size marker found in JPX stream");
    }
  }, {
    key: "parseCodestream",
    value: function parseCodestream(data, start, end) {
      var context = {};
      var doNotRecover = false;

      try {
        var position = start;

        while (position + 1 < end) {
          var code = (0, _core_utils.readUint16)(data, position);
          position += 2;
          var length = 0,
              j = void 0,
              sqcd = void 0,
              spqcds = void 0,
              spqcdSize = void 0,
              scalarExpounded = void 0,
              tile = void 0;

          switch (code) {
            case 0xff4f:
              context.mainHeader = true;
              break;

            case 0xffd9:
              break;

            case 0xff51:
              length = (0, _core_utils.readUint16)(data, position);
              var siz = {};
              siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
              siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
              siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
              siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
              siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
              siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
              siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
              siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
              var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
              siz.Csiz = componentsCount;
              var components = [];
              j = position + 38;

              for (var i = 0; i < componentsCount; i++) {
                var component = {
                  precision: (data[j] & 0x7f) + 1,
                  isSigned: !!(data[j] & 0x80),
                  XRsiz: data[j + 1],
                  YRsiz: data[j + 2]
                };
                j += 3;
                calculateComponentDimensions(component, siz);
                components.push(component);
              }

              context.SIZ = siz;
              context.components = components;
              calculateTileGrids(context, components);
              context.QCC = [];
              context.COC = [];
              break;

            case 0xff5c:
              length = (0, _core_utils.readUint16)(data, position);
              var qcd = {};
              j = position + 2;
              sqcd = data[j++];

              switch (sqcd & 0x1f) {
                case 0:
                  spqcdSize = 8;
                  scalarExpounded = true;
                  break;

                case 1:
                  spqcdSize = 16;
                  scalarExpounded = false;
                  break;

                case 2:
                  spqcdSize = 16;
                  scalarExpounded = true;
                  break;

                default:
                  throw new Error("Invalid SQcd value " + sqcd);
              }

              qcd.noQuantization = spqcdSize === 8;
              qcd.scalarExpounded = scalarExpounded;
              qcd.guardBits = sqcd >> 5;
              spqcds = [];

              while (j < length + position) {
                var spqcd = {};

                if (spqcdSize === 8) {
                  spqcd.epsilon = data[j++] >> 3;
                  spqcd.mu = 0;
                } else {
                  spqcd.epsilon = data[j] >> 3;
                  spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
                  j += 2;
                }

                spqcds.push(spqcd);
              }

              qcd.SPqcds = spqcds;

              if (context.mainHeader) {
                context.QCD = qcd;
              } else {
                context.currentTile.QCD = qcd;
                context.currentTile.QCC = [];
              }

              break;

            case 0xff5d:
              length = (0, _core_utils.readUint16)(data, position);
              var qcc = {};
              j = position + 2;
              var cqcc = void 0;

              if (context.SIZ.Csiz < 257) {
                cqcc = data[j++];
              } else {
                cqcc = (0, _core_utils.readUint16)(data, j);
                j += 2;
              }

              sqcd = data[j++];

              switch (sqcd & 0x1f) {
                case 0:
                  spqcdSize = 8;
                  scalarExpounded = true;
                  break;

                case 1:
                  spqcdSize = 16;
                  scalarExpounded = false;
                  break;

                case 2:
                  spqcdSize = 16;
                  scalarExpounded = true;
                  break;

                default:
                  throw new Error("Invalid SQcd value " + sqcd);
              }

              qcc.noQuantization = spqcdSize === 8;
              qcc.scalarExpounded = scalarExpounded;
              qcc.guardBits = sqcd >> 5;
              spqcds = [];

              while (j < length + position) {
                var _spqcd = {};

                if (spqcdSize === 8) {
                  _spqcd.epsilon = data[j++] >> 3;
                  _spqcd.mu = 0;
                } else {
                  _spqcd.epsilon = data[j] >> 3;
                  _spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
                  j += 2;
                }

                spqcds.push(_spqcd);
              }

              qcc.SPqcds = spqcds;

              if (context.mainHeader) {
                context.QCC[cqcc] = qcc;
              } else {
                context.currentTile.QCC[cqcc] = qcc;
              }

              break;

            case 0xff52:
              length = (0, _core_utils.readUint16)(data, position);
              var cod = {};
              j = position + 2;
              var scod = data[j++];
              cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
              cod.sopMarkerUsed = !!(scod & 2);
              cod.ephMarkerUsed = !!(scod & 4);
              cod.progressionOrder = data[j++];
              cod.layersCount = (0, _core_utils.readUint16)(data, j);
              j += 2;
              cod.multipleComponentTransform = data[j++];
              cod.decompositionLevelsCount = data[j++];
              cod.xcb = (data[j++] & 0xf) + 2;
              cod.ycb = (data[j++] & 0xf) + 2;
              var blockStyle = data[j++];
              cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
              cod.resetContextProbabilities = !!(blockStyle & 2);
              cod.terminationOnEachCodingPass = !!(blockStyle & 4);
              cod.verticallyStripe = !!(blockStyle & 8);
              cod.predictableTermination = !!(blockStyle & 16);
              cod.segmentationSymbolUsed = !!(blockStyle & 32);
              cod.reversibleTransformation = data[j++];

              if (cod.entropyCoderWithCustomPrecincts) {
                var precinctsSizes = [];

                while (j < length + position) {
                  var precinctsSize = data[j++];
                  precinctsSizes.push({
                    PPx: precinctsSize & 0xf,
                    PPy: precinctsSize >> 4
                  });
                }

                cod.precinctsSizes = precinctsSizes;
              }

              var unsupported = [];

              if (cod.selectiveArithmeticCodingBypass) {
                unsupported.push("selectiveArithmeticCodingBypass");
              }

              if (cod.terminationOnEachCodingPass) {
                unsupported.push("terminationOnEachCodingPass");
              }

              if (cod.verticallyStripe) {
                unsupported.push("verticallyStripe");
              }

              if (cod.predictableTermination) {
                unsupported.push("predictableTermination");
              }

              if (unsupported.length > 0) {
                doNotRecover = true;
                (0, _util.warn)("JPX: Unsupported COD options (".concat(unsupported.join(", "), ")."));
              }

              if (context.mainHeader) {
                context.COD = cod;
              } else {
                context.currentTile.COD = cod;
                context.currentTile.COC = [];
              }

              break;

            case 0xff90:
              length = (0, _core_utils.readUint16)(data, position);
              tile = {};
              tile.index = (0, _core_utils.readUint16)(data, position + 2);
              tile.length = (0, _core_utils.readUint32)(data, position + 4);
              tile.dataEnd = tile.length + position - 2;
              tile.partIndex = data[position + 8];
              tile.partsCount = data[position + 9];
              context.mainHeader = false;

              if (tile.partIndex === 0) {
                tile.COD = context.COD;
                tile.COC = context.COC.slice(0);
                tile.QCD = context.QCD;
                tile.QCC = context.QCC.slice(0);
              }

              context.currentTile = tile;
              break;

            case 0xff93:
              tile = context.currentTile;

              if (tile.partIndex === 0) {
                initializeTile(context, tile.index);
                buildPackets(context);
              }

              length = tile.dataEnd - position;
              parseTilePackets(context, data, position, length);
              break;

            case 0xff53:
              (0, _util.warn)("JPX: Codestream code 0xFF53 (COC) is not implemented.");

            case 0xff55:
            case 0xff57:
            case 0xff58:
            case 0xff64:
              length = (0, _core_utils.readUint16)(data, position);
              break;

            default:
              throw new Error("Unknown codestream code: " + code.toString(16));
          }

          position += length;
        }
      } catch (e) {
        if (doNotRecover || this.failOnCorruptedImage) {
          throw new JpxError(e.message);
        } else {
          (0, _util.warn)("JPX: Trying to recover from: \"".concat(e.message, "\"."));
        }
      }

      this.tiles = transformComponents(context);
      this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
      this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
      this.componentsCount = context.SIZ.Csiz;
    }
  }]);

  return JpxImage;
}();

exports.JpxImage = JpxImage;

function calculateComponentDimensions(component, siz) {
  component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
  component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
  component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
  component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
  component.width = component.x1 - component.x0;
  component.height = component.y1 - component.y0;
}

function calculateTileGrids(context, components) {
  var siz = context.SIZ;
  var tiles = [];
  var tile;
  var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
  var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);

  for (var q = 0; q < numYtiles; q++) {
    for (var p = 0; p < numXtiles; p++) {
      tile = {};
      tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
      tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
      tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
      tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
      tile.width = tile.tx1 - tile.tx0;
      tile.height = tile.ty1 - tile.ty0;
      tile.components = [];
      tiles.push(tile);
    }
  }

  context.tiles = tiles;
  var componentsCount = siz.Csiz;

  for (var i = 0, ii = componentsCount; i < ii; i++) {
    var component = components[i];

    for (var j = 0, jj = tiles.length; j < jj; j++) {
      var tileComponent = {};
      tile = tiles[j];
      tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
      tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
      tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
      tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
      tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
      tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
      tile.components[i] = tileComponent;
    }
  }
}

function getBlocksDimensions(context, component, r) {
  var codOrCoc = component.codingStyleParameters;
  var result = {};

  if (!codOrCoc.entropyCoderWithCustomPrecincts) {
    result.PPx = 15;
    result.PPy = 15;
  } else {
    result.PPx = codOrCoc.precinctsSizes[r].PPx;
    result.PPy = codOrCoc.precinctsSizes[r].PPy;
  }

  result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
  result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
  return result;
}

function buildPrecincts(context, resolution, dimensions) {
  var precinctWidth = 1 << dimensions.PPx;
  var precinctHeight = 1 << dimensions.PPy;
  var isZeroRes = resolution.resLevel === 0;
  var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
  var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
  var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
  var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
  var numprecincts = numprecinctswide * numprecinctshigh;
  resolution.precinctParameters = {
    precinctWidth: precinctWidth,
    precinctHeight: precinctHeight,
    numprecinctswide: numprecinctswide,
    numprecinctshigh: numprecinctshigh,
    numprecincts: numprecincts,
    precinctWidthInSubband: precinctWidthInSubband,
    precinctHeightInSubband: precinctHeightInSubband
  };
}

function buildCodeblocks(context, subband, dimensions) {
  var xcb_ = dimensions.xcb_;
  var ycb_ = dimensions.ycb_;
  var codeblockWidth = 1 << xcb_;
  var codeblockHeight = 1 << ycb_;
  var cbx0 = subband.tbx0 >> xcb_;
  var cby0 = subband.tby0 >> ycb_;
  var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
  var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
  var precinctParameters = subband.resolution.precinctParameters;
  var codeblocks = [];
  var precincts = [];
  var i, j, codeblock, precinctNumber;

  for (j = cby0; j < cby1; j++) {
    for (i = cbx0; i < cbx1; i++) {
      codeblock = {
        cbx: i,
        cby: j,
        tbx0: codeblockWidth * i,
        tby0: codeblockHeight * j,
        tbx1: codeblockWidth * (i + 1),
        tby1: codeblockHeight * (j + 1)
      };
      codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
      codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
      codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
      codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
      var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
      var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
      precinctNumber = pi + pj * precinctParameters.numprecinctswide;
      codeblock.precinctNumber = precinctNumber;
      codeblock.subbandType = subband.type;
      codeblock.Lblock = 3;

      if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
        continue;
      }

      codeblocks.push(codeblock);
      var precinct = precincts[precinctNumber];

      if (precinct !== undefined) {
        if (i < precinct.cbxMin) {
          precinct.cbxMin = i;
        } else if (i > precinct.cbxMax) {
          precinct.cbxMax = i;
        }

        if (j < precinct.cbyMin) {
          precinct.cbxMin = j;
        } else if (j > precinct.cbyMax) {
          precinct.cbyMax = j;
        }
      } else {
        precincts[precinctNumber] = precinct = {
          cbxMin: i,
          cbyMin: j,
          cbxMax: i,
          cbyMax: j
        };
      }

      codeblock.precinct = precinct;
    }
  }

  subband.codeblockParameters = {
    codeblockWidth: xcb_,
    codeblockHeight: ycb_,
    numcodeblockwide: cbx1 - cbx0 + 1,
    numcodeblockhigh: cby1 - cby0 + 1
  };
  subband.codeblocks = codeblocks;
  subband.precincts = precincts;
}

function createPacket(resolution, precinctNumber, layerNumber) {
  var precinctCodeblocks = [];
  var subbands = resolution.subbands;

  for (var i = 0, ii = subbands.length; i < ii; i++) {
    var subband = subbands[i];
    var codeblocks = subband.codeblocks;

    for (var j = 0, jj = codeblocks.length; j < jj; j++) {
      var codeblock = codeblocks[j];

      if (codeblock.precinctNumber !== precinctNumber) {
        continue;
      }

      precinctCodeblocks.push(codeblock);
    }
  }

  return {
    layerNumber: layerNumber,
    codeblocks: precinctCodeblocks
  };
}

function LayerResolutionComponentPositionIterator(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var layersCount = tile.codingStyleDefaultParameters.layersCount;
  var componentsCount = siz.Csiz;
  var maxDecompositionLevelsCount = 0;

  for (var q = 0; q < componentsCount; q++) {
    maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
  }

  var l = 0,
      r = 0,
      i = 0,
      k = 0;

  this.nextPacket = function JpxImage_nextPacket() {
    for (; l < layersCount; l++) {
      for (; r <= maxDecompositionLevelsCount; r++) {
        for (; i < componentsCount; i++) {
          var component = tile.components[i];

          if (r > component.codingStyleParameters.decompositionLevelsCount) {
            continue;
          }

          var resolution = component.resolutions[r];
          var numprecincts = resolution.precinctParameters.numprecincts;

          for (; k < numprecincts;) {
            var packet = createPacket(resolution, k, l);
            k++;
            return packet;
          }

          k = 0;
        }

        i = 0;
      }

      r = 0;
    }

    throw new JpxError("Out of packets");
  };
}

function ResolutionLayerComponentPositionIterator(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var layersCount = tile.codingStyleDefaultParameters.layersCount;
  var componentsCount = siz.Csiz;
  var maxDecompositionLevelsCount = 0;

  for (var q = 0; q < componentsCount; q++) {
    maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
  }

  var r = 0,
      l = 0,
      i = 0,
      k = 0;

  this.nextPacket = function JpxImage_nextPacket() {
    for (; r <= maxDecompositionLevelsCount; r++) {
      for (; l < layersCount; l++) {
        for (; i < componentsCount; i++) {
          var component = tile.components[i];

          if (r > component.codingStyleParameters.decompositionLevelsCount) {
            continue;
          }

          var resolution = component.resolutions[r];
          var numprecincts = resolution.precinctParameters.numprecincts;

          for (; k < numprecincts;) {
            var packet = createPacket(resolution, k, l);
            k++;
            return packet;
          }

          k = 0;
        }

        i = 0;
      }

      l = 0;
    }

    throw new JpxError("Out of packets");
  };
}

function ResolutionPositionComponentLayerIterator(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var layersCount = tile.codingStyleDefaultParameters.layersCount;
  var componentsCount = siz.Csiz;
  var l, r, c, p;
  var maxDecompositionLevelsCount = 0;

  for (c = 0; c < componentsCount; c++) {
    var component = tile.components[c];
    maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
  }

  var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);

  for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
    var maxNumPrecincts = 0;

    for (c = 0; c < componentsCount; ++c) {
      var resolutions = tile.components[c].resolutions;

      if (r < resolutions.length) {
        maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
      }
    }

    maxNumPrecinctsInLevel[r] = maxNumPrecincts;
  }

  l = 0;
  r = 0;
  c = 0;
  p = 0;

  this.nextPacket = function JpxImage_nextPacket() {
    for (; r <= maxDecompositionLevelsCount; r++) {
      for (; p < maxNumPrecinctsInLevel[r]; p++) {
        for (; c < componentsCount; c++) {
          var _component = tile.components[c];

          if (r > _component.codingStyleParameters.decompositionLevelsCount) {
            continue;
          }

          var resolution = _component.resolutions[r];
          var numprecincts = resolution.precinctParameters.numprecincts;

          if (p >= numprecincts) {
            continue;
          }

          for (; l < layersCount;) {
            var packet = createPacket(resolution, p, l);
            l++;
            return packet;
          }

          l = 0;
        }

        c = 0;
      }

      p = 0;
    }

    throw new JpxError("Out of packets");
  };
}

function PositionComponentResolutionLayerIterator(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var layersCount = tile.codingStyleDefaultParameters.layersCount;
  var componentsCount = siz.Csiz;
  var precinctsSizes = getPrecinctSizesInImageScale(tile);
  var precinctsIterationSizes = precinctsSizes;
  var l = 0,
      r = 0,
      c = 0,
      px = 0,
      py = 0;

  this.nextPacket = function JpxImage_nextPacket() {
    for (; py < precinctsIterationSizes.maxNumHigh; py++) {
      for (; px < precinctsIterationSizes.maxNumWide; px++) {
        for (; c < componentsCount; c++) {
          var component = tile.components[c];
          var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;

          for (; r <= decompositionLevelsCount; r++) {
            var resolution = component.resolutions[r];
            var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
            var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);

            if (k === null) {
              continue;
            }

            for (; l < layersCount;) {
              var packet = createPacket(resolution, k, l);
              l++;
              return packet;
            }

            l = 0;
          }

          r = 0;
        }

        c = 0;
      }

      px = 0;
    }

    throw new JpxError("Out of packets");
  };
}

function ComponentPositionResolutionLayerIterator(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var layersCount = tile.codingStyleDefaultParameters.layersCount;
  var componentsCount = siz.Csiz;
  var precinctsSizes = getPrecinctSizesInImageScale(tile);
  var l = 0,
      r = 0,
      c = 0,
      px = 0,
      py = 0;

  this.nextPacket = function JpxImage_nextPacket() {
    for (; c < componentsCount; ++c) {
      var component = tile.components[c];
      var precinctsIterationSizes = precinctsSizes.components[c];
      var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;

      for (; py < precinctsIterationSizes.maxNumHigh; py++) {
        for (; px < precinctsIterationSizes.maxNumWide; px++) {
          for (; r <= decompositionLevelsCount; r++) {
            var resolution = component.resolutions[r];
            var sizeInImageScale = precinctsIterationSizes.resolutions[r];
            var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);

            if (k === null) {
              continue;
            }

            for (; l < layersCount;) {
              var packet = createPacket(resolution, k, l);
              l++;
              return packet;
            }

            l = 0;
          }

          r = 0;
        }

        px = 0;
      }

      py = 0;
    }

    throw new JpxError("Out of packets");
  };
}

function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
  var posX = pxIndex * precinctIterationSizes.minWidth;
  var posY = pyIndex * precinctIterationSizes.minHeight;

  if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
    return null;
  }

  var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
  return posX / sizeInImageScale.height + startPrecinctRowIndex;
}

function getPrecinctSizesInImageScale(tile) {
  var componentsCount = tile.components.length;
  var minWidth = Number.MAX_VALUE;
  var minHeight = Number.MAX_VALUE;
  var maxNumWide = 0;
  var maxNumHigh = 0;
  var sizePerComponent = new Array(componentsCount);

  for (var c = 0; c < componentsCount; c++) {
    var component = tile.components[c];
    var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
    var sizePerResolution = new Array(decompositionLevelsCount + 1);
    var minWidthCurrentComponent = Number.MAX_VALUE;
    var minHeightCurrentComponent = Number.MAX_VALUE;
    var maxNumWideCurrentComponent = 0;
    var maxNumHighCurrentComponent = 0;
    var scale = 1;

    for (var r = decompositionLevelsCount; r >= 0; --r) {
      var resolution = component.resolutions[r];
      var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
      var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
      minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
      minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
      maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
      maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
      sizePerResolution[r] = {
        width: widthCurrentResolution,
        height: heightCurrentResolution
      };
      scale <<= 1;
    }

    minWidth = Math.min(minWidth, minWidthCurrentComponent);
    minHeight = Math.min(minHeight, minHeightCurrentComponent);
    maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
    maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
    sizePerComponent[c] = {
      resolutions: sizePerResolution,
      minWidth: minWidthCurrentComponent,
      minHeight: minHeightCurrentComponent,
      maxNumWide: maxNumWideCurrentComponent,
      maxNumHigh: maxNumHighCurrentComponent
    };
  }

  return {
    components: sizePerComponent,
    minWidth: minWidth,
    minHeight: minHeight,
    maxNumWide: maxNumWide,
    maxNumHigh: maxNumHigh
  };
}

function buildPackets(context) {
  var siz = context.SIZ;
  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var componentsCount = siz.Csiz;

  for (var c = 0; c < componentsCount; c++) {
    var component = tile.components[c];
    var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
    var resolutions = [];
    var subbands = [];

    for (var r = 0; r <= decompositionLevelsCount; r++) {
      var blocksDimensions = getBlocksDimensions(context, component, r);
      var resolution = {};
      var scale = 1 << decompositionLevelsCount - r;
      resolution.trx0 = Math.ceil(component.tcx0 / scale);
      resolution.try0 = Math.ceil(component.tcy0 / scale);
      resolution.trx1 = Math.ceil(component.tcx1 / scale);
      resolution.try1 = Math.ceil(component.tcy1 / scale);
      resolution.resLevel = r;
      buildPrecincts(context, resolution, blocksDimensions);
      resolutions.push(resolution);
      var subband = void 0;

      if (r === 0) {
        subband = {};
        subband.type = "LL";
        subband.tbx0 = Math.ceil(component.tcx0 / scale);
        subband.tby0 = Math.ceil(component.tcy0 / scale);
        subband.tbx1 = Math.ceil(component.tcx1 / scale);
        subband.tby1 = Math.ceil(component.tcy1 / scale);
        subband.resolution = resolution;
        buildCodeblocks(context, subband, blocksDimensions);
        subbands.push(subband);
        resolution.subbands = [subband];
      } else {
        var bscale = 1 << decompositionLevelsCount - r + 1;
        var resolutionSubbands = [];
        subband = {};
        subband.type = "HL";
        subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
        subband.tby0 = Math.ceil(component.tcy0 / bscale);
        subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
        subband.tby1 = Math.ceil(component.tcy1 / bscale);
        subband.resolution = resolution;
        buildCodeblocks(context, subband, blocksDimensions);
        subbands.push(subband);
        resolutionSubbands.push(subband);
        subband = {};
        subband.type = "LH";
        subband.tbx0 = Math.ceil(component.tcx0 / bscale);
        subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
        subband.tbx1 = Math.ceil(component.tcx1 / bscale);
        subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
        subband.resolution = resolution;
        buildCodeblocks(context, subband, blocksDimensions);
        subbands.push(subband);
        resolutionSubbands.push(subband);
        subband = {};
        subband.type = "HH";
        subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
        subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
        subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
        subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
        subband.resolution = resolution;
        buildCodeblocks(context, subband, blocksDimensions);
        subbands.push(subband);
        resolutionSubbands.push(subband);
        resolution.subbands = resolutionSubbands;
      }
    }

    component.resolutions = resolutions;
    component.subbands = subbands;
  }

  var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;

  switch (progressionOrder) {
    case 0:
      tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
      break;

    case 1:
      tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
      break;

    case 2:
      tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
      break;

    case 3:
      tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
      break;

    case 4:
      tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
      break;

    default:
      throw new JpxError("Unsupported progression order ".concat(progressionOrder));
  }
}

function parseTilePackets(context, data, offset, dataLength) {
  var position = 0;
  var buffer,
      bufferSize = 0,
      skipNextBit = false;

  function readBits(count) {
    while (bufferSize < count) {
      var b = data[offset + position];
      position++;

      if (skipNextBit) {
        buffer = buffer << 7 | b;
        bufferSize += 7;
        skipNextBit = false;
      } else {
        buffer = buffer << 8 | b;
        bufferSize += 8;
      }

      if (b === 0xff) {
        skipNextBit = true;
      }
    }

    bufferSize -= count;
    return buffer >>> bufferSize & (1 << count) - 1;
  }

  function skipMarkerIfEqual(value) {
    if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
      skipBytes(1);
      return true;
    } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
      skipBytes(2);
      return true;
    }

    return false;
  }

  function skipBytes(count) {
    position += count;
  }

  function alignToByte() {
    bufferSize = 0;

    if (skipNextBit) {
      position++;
      skipNextBit = false;
    }
  }

  function readCodingpasses() {
    if (readBits(1) === 0) {
      return 1;
    }

    if (readBits(1) === 0) {
      return 2;
    }

    var value = readBits(2);

    if (value < 3) {
      return value + 3;
    }

    value = readBits(5);

    if (value < 31) {
      return value + 6;
    }

    value = readBits(7);
    return value + 37;
  }

  var tileIndex = context.currentTile.index;
  var tile = context.tiles[tileIndex];
  var sopMarkerUsed = context.COD.sopMarkerUsed;
  var ephMarkerUsed = context.COD.ephMarkerUsed;
  var packetsIterator = tile.packetsIterator;

  while (position < dataLength) {
    alignToByte();

    if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
      skipBytes(4);
    }

    var packet = packetsIterator.nextPacket();

    if (!readBits(1)) {
      continue;
    }

    var layerNumber = packet.layerNumber,
        queue = [];
    var codeblock = void 0;

    for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
      codeblock = packet.codeblocks[i];
      var precinct = codeblock.precinct;
      var codeblockColumn = codeblock.cbx - precinct.cbxMin;
      var codeblockRow = codeblock.cby - precinct.cbyMin;
      var codeblockIncluded = false;
      var firstTimeInclusion = false;
      var valueReady = void 0,
          zeroBitPlanesTree = void 0;

      if (codeblock.included !== undefined) {
        codeblockIncluded = !!readBits(1);
      } else {
        precinct = codeblock.precinct;
        var inclusionTree = void 0;

        if (precinct.inclusionTree !== undefined) {
          inclusionTree = precinct.inclusionTree;
        } else {
          var width = precinct.cbxMax - precinct.cbxMin + 1;
          var height = precinct.cbyMax - precinct.cbyMin + 1;
          inclusionTree = new InclusionTree(width, height, layerNumber);
          zeroBitPlanesTree = new TagTree(width, height);
          precinct.inclusionTree = inclusionTree;
          precinct.zeroBitPlanesTree = zeroBitPlanesTree;

          for (var l = 0; l < layerNumber; l++) {
            if (readBits(1) !== 0) {
              throw new JpxError("Invalid tag tree");
            }
          }
        }

        if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
          while (true) {
            if (readBits(1)) {
              valueReady = !inclusionTree.nextLevel();

              if (valueReady) {
                codeblock.included = true;
                codeblockIncluded = firstTimeInclusion = true;
                break;
              }
            } else {
              inclusionTree.incrementValue(layerNumber);
              break;
            }
          }
        }
      }

      if (!codeblockIncluded) {
        continue;
      }

      if (firstTimeInclusion) {
        zeroBitPlanesTree = precinct.zeroBitPlanesTree;
        zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);

        while (true) {
          if (readBits(1)) {
            valueReady = !zeroBitPlanesTree.nextLevel();

            if (valueReady) {
              break;
            }
          } else {
            zeroBitPlanesTree.incrementValue();
          }
        }

        codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
      }

      var codingpasses = readCodingpasses();

      while (readBits(1)) {
        codeblock.Lblock++;
      }

      var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
      var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
      var codedDataLength = readBits(bits);
      queue.push({
        codeblock: codeblock,
        codingpasses: codingpasses,
        dataLength: codedDataLength
      });
    }

    alignToByte();

    if (ephMarkerUsed) {
      skipMarkerIfEqual(0x92);
    }

    while (queue.length > 0) {
      var packetItem = queue.shift();
      codeblock = packetItem.codeblock;

      if (codeblock.data === undefined) {
        codeblock.data = [];
      }

      codeblock.data.push({
        data: data,
        start: offset + position,
        end: offset + position + packetItem.dataLength,
        codingpasses: packetItem.codingpasses
      });
      position += packetItem.dataLength;
    }
  }

  return position;
}

function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed, resetContextProbabilities) {
  var x0 = subband.tbx0;
  var y0 = subband.tby0;
  var width = subband.tbx1 - subband.tbx0;
  var codeblocks = subband.codeblocks;
  var right = subband.type.charAt(0) === "H" ? 1 : 0;
  var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;

  for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
    var codeblock = codeblocks[i];
    var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
    var blockHeight = codeblock.tby1_ - codeblock.tby0_;

    if (blockWidth === 0 || blockHeight === 0) {
      continue;
    }

    if (codeblock.data === undefined) {
      continue;
    }

    var bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
    var currentCodingpassType = 2;
    var data = codeblock.data;
    var totalLength = 0,
        codingpasses = 0;
    var j = void 0,
        jj = void 0,
        dataItem = void 0;

    for (j = 0, jj = data.length; j < jj; j++) {
      dataItem = data[j];
      totalLength += dataItem.end - dataItem.start;
      codingpasses += dataItem.codingpasses;
    }

    var encodedData = new Uint8Array(totalLength);
    var position = 0;

    for (j = 0, jj = data.length; j < jj; j++) {
      dataItem = data[j];
      var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
      encodedData.set(chunk, position);
      position += chunk.length;
    }

    var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
    bitModel.setDecoder(decoder);

    for (j = 0; j < codingpasses; j++) {
      switch (currentCodingpassType) {
        case 0:
          bitModel.runSignificancePropagationPass();
          break;

        case 1:
          bitModel.runMagnitudeRefinementPass();
          break;

        case 2:
          bitModel.runCleanupPass();

          if (segmentationSymbolUsed) {
            bitModel.checkSegmentationSymbol();
          }

          break;
      }

      if (resetContextProbabilities) {
        bitModel.reset();
      }

      currentCodingpassType = (currentCodingpassType + 1) % 3;
    }

    var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
    var sign = bitModel.coefficentsSign;
    var magnitude = bitModel.coefficentsMagnitude;
    var bitsDecoded = bitModel.bitsDecoded;
    var magnitudeCorrection = reversible ? 0 : 0.5;
    var k = void 0,
        n = void 0,
        nb = void 0;
    position = 0;
    var interleave = subband.type !== "LL";

    for (j = 0; j < blockHeight; j++) {
      var row = offset / width | 0;
      var levelOffset = 2 * row * (levelWidth - width) + right + bottom;

      for (k = 0; k < blockWidth; k++) {
        n = magnitude[position];

        if (n !== 0) {
          n = (n + magnitudeCorrection) * delta;

          if (sign[position] !== 0) {
            n = -n;
          }

          nb = bitsDecoded[position];
          var pos = interleave ? levelOffset + (offset << 1) : offset;

          if (reversible && nb >= mb) {
            coefficients[pos] = n;
          } else {
            coefficients[pos] = n * (1 << mb - nb);
          }
        }

        offset++;
        position++;
      }

      offset += width - blockWidth;
    }
  }
}

function transformTile(context, tile, c) {
  var component = tile.components[c];
  var codingStyleParameters = component.codingStyleParameters;
  var quantizationParameters = component.quantizationParameters;
  var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
  var spqcds = quantizationParameters.SPqcds;
  var scalarExpounded = quantizationParameters.scalarExpounded;
  var guardBits = quantizationParameters.guardBits;
  var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
  var resetContextProbabilities = codingStyleParameters.resetContextProbabilities;
  var precision = context.components[c].precision;
  var reversible = codingStyleParameters.reversibleTransformation;
  var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
  var subbandCoefficients = [];
  var b = 0;

  for (var i = 0; i <= decompositionLevelsCount; i++) {
    var resolution = component.resolutions[i];
    var width = resolution.trx1 - resolution.trx0;
    var height = resolution.try1 - resolution.try0;
    var coefficients = new Float32Array(width * height);

    for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
      var mu = void 0,
          epsilon = void 0;

      if (!scalarExpounded) {
        mu = spqcds[0].mu;
        epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
      } else {
        mu = spqcds[b].mu;
        epsilon = spqcds[b].epsilon;
        b++;
      }

      var subband = resolution.subbands[j];
      var gainLog2 = SubbandsGainLog2[subband.type];
      var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
      var mb = guardBits + epsilon - 1;
      copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed, resetContextProbabilities);
    }

    subbandCoefficients.push({
      width: width,
      height: height,
      items: coefficients
    });
  }

  var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
  return {
    left: component.tcx0,
    top: component.tcy0,
    width: result.width,
    height: result.height,
    items: result.items
  };
}

function transformComponents(context) {
  var siz = context.SIZ;
  var components = context.components;
  var componentsCount = siz.Csiz;
  var resultImages = [];

  for (var i = 0, ii = context.tiles.length; i < ii; i++) {
    var tile = context.tiles[i];
    var transformedTiles = [];

    for (var c = 0; c < componentsCount; c++) {
      transformedTiles[c] = transformTile(context, tile, c);
    }

    var tile0 = transformedTiles[0];
    var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
    var result = {
      left: tile0.left,
      top: tile0.top,
      width: tile0.width,
      height: tile0.height,
      items: out
    };
    var shift = void 0,
        offset = void 0;
    var pos = 0,
        j = void 0,
        jj = void 0,
        y0 = void 0,
        y1 = void 0,
        y2 = void 0;

    if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
      var fourComponents = componentsCount === 4;
      var y0items = transformedTiles[0].items;
      var y1items = transformedTiles[1].items;
      var y2items = transformedTiles[2].items;
      var y3items = fourComponents ? transformedTiles[3].items : null;
      shift = components[0].precision - 8;
      offset = (128 << shift) + 0.5;
      var component0 = tile.components[0];
      var alpha01 = componentsCount - 3;
      jj = y0items.length;

      if (!component0.codingStyleParameters.reversibleTransformation) {
        for (j = 0; j < jj; j++, pos += alpha01) {
          y0 = y0items[j] + offset;
          y1 = y1items[j];
          y2 = y2items[j];
          out[pos++] = y0 + 1.402 * y2 >> shift;
          out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
          out[pos++] = y0 + 1.772 * y1 >> shift;
        }
      } else {
        for (j = 0; j < jj; j++, pos += alpha01) {
          y0 = y0items[j] + offset;
          y1 = y1items[j];
          y2 = y2items[j];
          var g = y0 - (y2 + y1 >> 2);
          out[pos++] = g + y2 >> shift;
          out[pos++] = g >> shift;
          out[pos++] = g + y1 >> shift;
        }
      }

      if (fourComponents) {
        for (j = 0, pos = 3; j < jj; j++, pos += 4) {
          out[pos] = y3items[j] + offset >> shift;
        }
      }
    } else {
      for (var _c = 0; _c < componentsCount; _c++) {
        var items = transformedTiles[_c].items;
        shift = components[_c].precision - 8;
        offset = (128 << shift) + 0.5;

        for (pos = _c, j = 0, jj = items.length; j < jj; j++) {
          out[pos] = items[j] + offset >> shift;
          pos += componentsCount;
        }
      }
    }

    resultImages.push(result);
  }

  return resultImages;
}

function initializeTile(context, tileIndex) {
  var siz = context.SIZ;
  var componentsCount = siz.Csiz;
  var tile = context.tiles[tileIndex];

  for (var c = 0; c < componentsCount; c++) {
    var component = tile.components[c];
    var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
    component.quantizationParameters = qcdOrQcc;
    var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
    component.codingStyleParameters = codOrCoc;
  }

  tile.codingStyleDefaultParameters = context.currentTile.COD;
}

var TagTree = /*#__PURE__*/function () {
  function TagTree(width, height) {
    _classCallCheck(this, TagTree);

    var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
    this.levels = [];

    for (var i = 0; i < levelsLength; i++) {
      var level = {
        width: width,
        height: height,
        items: []
      };
      this.levels.push(level);
      width = Math.ceil(width / 2);
      height = Math.ceil(height / 2);
    }
  }

  _createClass(TagTree, [{
    key: "reset",
    value: function reset(i, j) {
      var currentLevel = 0,
          value = 0,
          level;

      while (currentLevel < this.levels.length) {
        level = this.levels[currentLevel];
        var index = i + j * level.width;

        if (level.items[index] !== undefined) {
          value = level.items[index];
          break;
        }

        level.index = index;
        i >>= 1;
        j >>= 1;
        currentLevel++;
      }

      currentLevel--;
      level = this.levels[currentLevel];
      level.items[level.index] = value;
      this.currentLevel = currentLevel;
      delete this.value;
    }
  }, {
    key: "incrementValue",
    value: function incrementValue() {
      var level = this.levels[this.currentLevel];
      level.items[level.index]++;
    }
  }, {
    key: "nextLevel",
    value: function nextLevel() {
      var currentLevel = this.currentLevel;
      var level = this.levels[currentLevel];
      var value = level.items[level.index];
      currentLevel--;

      if (currentLevel < 0) {
        this.value = value;
        return false;
      }

      this.currentLevel = currentLevel;
      level = this.levels[currentLevel];
      level.items[level.index] = value;
      return true;
    }
  }]);

  return TagTree;
}();

var InclusionTree = /*#__PURE__*/function () {
  function InclusionTree(width, height, defaultValue) {
    _classCallCheck(this, InclusionTree);

    var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
    this.levels = [];

    for (var i = 0; i < levelsLength; i++) {
      var items = new Uint8Array(width * height);

      for (var j = 0, jj = items.length; j < jj; j++) {
        items[j] = defaultValue;
      }

      var level = {
        width: width,
        height: height,
        items: items
      };
      this.levels.push(level);
      width = Math.ceil(width / 2);
      height = Math.ceil(height / 2);
    }
  }

  _createClass(InclusionTree, [{
    key: "reset",
    value: function reset(i, j, stopValue) {
      var currentLevel = 0;

      while (currentLevel < this.levels.length) {
        var level = this.levels[currentLevel];
        var index = i + j * level.width;
        level.index = index;
        var value = level.items[index];

        if (value === 0xff) {
          break;
        }

        if (value > stopValue) {
          this.currentLevel = currentLevel;
          this.propagateValues();
          return false;
        }

        i >>= 1;
        j >>= 1;
        currentLevel++;
      }

      this.currentLevel = currentLevel - 1;
      return true;
    }
  }, {
    key: "incrementValue",
    value: function incrementValue(stopValue) {
      var level = this.levels[this.currentLevel];
      level.items[level.index] = stopValue + 1;
      this.propagateValues();
    }
  }, {
    key: "propagateValues",
    value: function propagateValues() {
      var levelIndex = this.currentLevel;
      var level = this.levels[levelIndex];
      var currentValue = level.items[level.index];

      while (--levelIndex >= 0) {
        level = this.levels[levelIndex];
        level.items[level.index] = currentValue;
      }
    }
  }, {
    key: "nextLevel",
    value: function nextLevel() {
      var currentLevel = this.currentLevel;
      var level = this.levels[currentLevel];
      var value = level.items[level.index];
      level.items[level.index] = 0xff;
      currentLevel--;

      if (currentLevel < 0) {
        return false;
      }

      this.currentLevel = currentLevel;
      level = this.levels[currentLevel];
      level.items[level.index] = value;
      return true;
    }
  }]);

  return InclusionTree;
}();

var BitModel = function BitModelClosure() {
  var UNIFORM_CONTEXT = 17;
  var RUNLENGTH_CONTEXT = 18;
  var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
  var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
  var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);

  var BitModel = /*#__PURE__*/function () {
    function BitModel(width, height, subband, zeroBitPlanes, mb) {
      _classCallCheck(this, BitModel);

      this.width = width;
      this.height = height;
      var contextLabelTable;

      if (subband === "HH") {
        contextLabelTable = HHContextLabel;
      } else if (subband === "HL") {
        contextLabelTable = HLContextLabel;
      } else {
        contextLabelTable = LLAndLHContextsLabel;
      }

      this.contextLabelTable = contextLabelTable;
      var coefficientCount = width * height;
      this.neighborsSignificance = new Uint8Array(coefficientCount);
      this.coefficentsSign = new Uint8Array(coefficientCount);
      var coefficentsMagnitude;

      if (mb > 14) {
        coefficentsMagnitude = new Uint32Array(coefficientCount);
      } else if (mb > 6) {
        coefficentsMagnitude = new Uint16Array(coefficientCount);
      } else {
        coefficentsMagnitude = new Uint8Array(coefficientCount);
      }

      this.coefficentsMagnitude = coefficentsMagnitude;
      this.processingFlags = new Uint8Array(coefficientCount);
      var bitsDecoded = new Uint8Array(coefficientCount);

      if (zeroBitPlanes !== 0) {
        for (var i = 0; i < coefficientCount; i++) {
          bitsDecoded[i] = zeroBitPlanes;
        }
      }

      this.bitsDecoded = bitsDecoded;
      this.reset();
    }

    _createClass(BitModel, [{
      key: "setDecoder",
      value: function setDecoder(decoder) {
        this.decoder = decoder;
      }
    }, {
      key: "reset",
      value: function reset() {
        this.contexts = new Int8Array(19);
        this.contexts[0] = 4 << 1 | 0;
        this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
        this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
      }
    }, {
      key: "setNeighborsSignificance",
      value: function setNeighborsSignificance(row, column, index) {
        var neighborsSignificance = this.neighborsSignificance;
        var width = this.width,
            height = this.height;
        var left = column > 0;
        var right = column + 1 < width;
        var i;

        if (row > 0) {
          i = index - width;

          if (left) {
            neighborsSignificance[i - 1] += 0x10;
          }

          if (right) {
            neighborsSignificance[i + 1] += 0x10;
          }

          neighborsSignificance[i] += 0x04;
        }

        if (row + 1 < height) {
          i = index + width;

          if (left) {
            neighborsSignificance[i - 1] += 0x10;
          }

          if (right) {
            neighborsSignificance[i + 1] += 0x10;
          }

          neighborsSignificance[i] += 0x04;
        }

        if (left) {
          neighborsSignificance[index - 1] += 0x01;
        }

        if (right) {
          neighborsSignificance[index + 1] += 0x01;
        }

        neighborsSignificance[index] |= 0x80;
      }
    }, {
      key: "runSignificancePropagationPass",
      value: function runSignificancePropagationPass() {
        var decoder = this.decoder;
        var width = this.width,
            height = this.height;
        var coefficentsMagnitude = this.coefficentsMagnitude;
        var coefficentsSign = this.coefficentsSign;
        var neighborsSignificance = this.neighborsSignificance;
        var processingFlags = this.processingFlags;
        var contexts = this.contexts;
        var labels = this.contextLabelTable;
        var bitsDecoded = this.bitsDecoded;
        var processedInverseMask = ~1;
        var processedMask = 1;
        var firstMagnitudeBitMask = 2;

        for (var i0 = 0; i0 < height; i0 += 4) {
          for (var j = 0; j < width; j++) {
            var index = i0 * width + j;

            for (var i1 = 0; i1 < 4; i1++, index += width) {
              var i = i0 + i1;

              if (i >= height) {
                break;
              }

              processingFlags[index] &= processedInverseMask;

              if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
                continue;
              }

              var contextLabel = labels[neighborsSignificance[index]];
              var decision = decoder.readBit(contexts, contextLabel);

              if (decision) {
                var sign = this.decodeSignBit(i, j, index);
                coefficentsSign[index] = sign;
                coefficentsMagnitude[index] = 1;
                this.setNeighborsSignificance(i, j, index);
                processingFlags[index] |= firstMagnitudeBitMask;
              }

              bitsDecoded[index]++;
              processingFlags[index] |= processedMask;
            }
          }
        }
      }
    }, {
      key: "decodeSignBit",
      value: function decodeSignBit(row, column, index) {
        var width = this.width,
            height = this.height;
        var coefficentsMagnitude = this.coefficentsMagnitude;
        var coefficentsSign = this.coefficentsSign;
        var contribution, sign0, sign1, significance1;
        var contextLabel, decoded;
        significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;

        if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
          sign1 = coefficentsSign[index + 1];

          if (significance1) {
            sign0 = coefficentsSign[index - 1];
            contribution = 1 - sign1 - sign0;
          } else {
            contribution = 1 - sign1 - sign1;
          }
        } else if (significance1) {
          sign0 = coefficentsSign[index - 1];
          contribution = 1 - sign0 - sign0;
        } else {
          contribution = 0;
        }

        var horizontalContribution = 3 * contribution;
        significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;

        if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
          sign1 = coefficentsSign[index + width];

          if (significance1) {
            sign0 = coefficentsSign[index - width];
            contribution = 1 - sign1 - sign0 + horizontalContribution;
          } else {
            contribution = 1 - sign1 - sign1 + horizontalContribution;
          }
        } else if (significance1) {
          sign0 = coefficentsSign[index - width];
          contribution = 1 - sign0 - sign0 + horizontalContribution;
        } else {
          contribution = horizontalContribution;
        }

        if (contribution >= 0) {
          contextLabel = 9 + contribution;
          decoded = this.decoder.readBit(this.contexts, contextLabel);
        } else {
          contextLabel = 9 - contribution;
          decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
        }

        return decoded;
      }
    }, {
      key: "runMagnitudeRefinementPass",
      value: function runMagnitudeRefinementPass() {
        var decoder = this.decoder;
        var width = this.width,
            height = this.height;
        var coefficentsMagnitude = this.coefficentsMagnitude;
        var neighborsSignificance = this.neighborsSignificance;
        var contexts = this.contexts;
        var bitsDecoded = this.bitsDecoded;
        var processingFlags = this.processingFlags;
        var processedMask = 1;
        var firstMagnitudeBitMask = 2;
        var length = width * height;
        var width4 = width * 4;

        for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
          indexNext = Math.min(length, index0 + width4);

          for (var j = 0; j < width; j++) {
            for (var index = index0 + j; index < indexNext; index += width) {
              if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
                continue;
              }

              var contextLabel = 16;

              if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
                processingFlags[index] ^= firstMagnitudeBitMask;
                var significance = neighborsSignificance[index] & 127;
                contextLabel = significance === 0 ? 15 : 14;
              }

              var bit = decoder.readBit(contexts, contextLabel);
              coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
              bitsDecoded[index]++;
              processingFlags[index] |= processedMask;
            }
          }
        }
      }
    }, {
      key: "runCleanupPass",
      value: function runCleanupPass() {
        var decoder = this.decoder;
        var width = this.width,
            height = this.height;
        var neighborsSignificance = this.neighborsSignificance;
        var coefficentsMagnitude = this.coefficentsMagnitude;
        var coefficentsSign = this.coefficentsSign;
        var contexts = this.contexts;
        var labels = this.contextLabelTable;
        var bitsDecoded = this.bitsDecoded;
        var processingFlags = this.processingFlags;
        var processedMask = 1;
        var firstMagnitudeBitMask = 2;
        var oneRowDown = width;
        var twoRowsDown = width * 2;
        var threeRowsDown = width * 3;
        var iNext;

        for (var i0 = 0; i0 < height; i0 = iNext) {
          iNext = Math.min(i0 + 4, height);
          var indexBase = i0 * width;
          var checkAllEmpty = i0 + 3 < height;

          for (var j = 0; j < width; j++) {
            var index0 = indexBase + j;
            var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
            var i1 = 0,
                index = index0;
            var i = i0,
                sign = void 0;

            if (allEmpty) {
              var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);

              if (!hasSignificantCoefficent) {
                bitsDecoded[index0]++;
                bitsDecoded[index0 + oneRowDown]++;
                bitsDecoded[index0 + twoRowsDown]++;
                bitsDecoded[index0 + threeRowsDown]++;
                continue;
              }

              i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);

              if (i1 !== 0) {
                i = i0 + i1;
                index += i1 * width;
              }

              sign = this.decodeSignBit(i, j, index);
              coefficentsSign[index] = sign;
              coefficentsMagnitude[index] = 1;
              this.setNeighborsSignificance(i, j, index);
              processingFlags[index] |= firstMagnitudeBitMask;
              index = index0;

              for (var i2 = i0; i2 <= i; i2++, index += width) {
                bitsDecoded[index]++;
              }

              i1++;
            }

            for (i = i0 + i1; i < iNext; i++, index += width) {
              if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
                continue;
              }

              var contextLabel = labels[neighborsSignificance[index]];
              var decision = decoder.readBit(contexts, contextLabel);

              if (decision === 1) {
                sign = this.decodeSignBit(i, j, index);
                coefficentsSign[index] = sign;
                coefficentsMagnitude[index] = 1;
                this.setNeighborsSignificance(i, j, index);
                processingFlags[index] |= firstMagnitudeBitMask;
              }

              bitsDecoded[index]++;
            }
          }
        }
      }
    }, {
      key: "checkSegmentationSymbol",
      value: function checkSegmentationSymbol() {
        var decoder = this.decoder;
        var contexts = this.contexts;
        var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);

        if (symbol !== 0xa) {
          throw new JpxError("Invalid segmentation symbol");
        }
      }
    }]);

    return BitModel;
  }();

  return BitModel;
}();

var Transform = /*#__PURE__*/function () {
  function Transform() {
    _classCallCheck(this, Transform);

    if (this.constructor === Transform) {
      (0, _util.unreachable)("Cannot initialize Transform.");
    }
  }

  _createClass(Transform, [{
    key: "calculate",
    value: function calculate(subbands, u0, v0) {
      var ll = subbands[0];

      for (var i = 1, ii = subbands.length; i < ii; i++) {
        ll = this.iterate(ll, subbands[i], u0, v0);
      }

      return ll;
    }
  }, {
    key: "extend",
    value: function extend(buffer, offset, size) {
      var i1 = offset - 1,
          j1 = offset + 1;
      var i2 = offset + size - 2,
          j2 = offset + size;
      buffer[i1--] = buffer[j1++];
      buffer[j2++] = buffer[i2--];
      buffer[i1--] = buffer[j1++];
      buffer[j2++] = buffer[i2--];
      buffer[i1--] = buffer[j1++];
      buffer[j2++] = buffer[i2--];
      buffer[i1] = buffer[j1];
      buffer[j2] = buffer[i2];
    }
  }, {
    key: "filter",
    value: function filter(x, offset, length) {
      (0, _util.unreachable)("Abstract method `filter` called");
    }
  }, {
    key: "iterate",
    value: function iterate(ll, hl_lh_hh, u0, v0) {
      var llWidth = ll.width,
          llHeight = ll.height;
      var llItems = ll.items;
      var width = hl_lh_hh.width;
      var height = hl_lh_hh.height;
      var items = hl_lh_hh.items;
      var i, j, k, l, u, v;

      for (k = 0, i = 0; i < llHeight; i++) {
        l = i * 2 * width;

        for (j = 0; j < llWidth; j++, k++, l += 2) {
          items[l] = llItems[k];
        }
      }

      llItems = ll.items = null;
      var bufferPadding = 4;
      var rowBuffer = new Float32Array(width + 2 * bufferPadding);

      if (width === 1) {
        if ((u0 & 1) !== 0) {
          for (v = 0, k = 0; v < height; v++, k += width) {
            items[k] *= 0.5;
          }
        }
      } else {
        for (v = 0, k = 0; v < height; v++, k += width) {
          rowBuffer.set(items.subarray(k, k + width), bufferPadding);
          this.extend(rowBuffer, bufferPadding, width);
          this.filter(rowBuffer, bufferPadding, width);
          items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
        }
      }

      var numBuffers = 16;
      var colBuffers = [];

      for (i = 0; i < numBuffers; i++) {
        colBuffers.push(new Float32Array(height + 2 * bufferPadding));
      }

      var b,
          currentBuffer = 0;
      ll = bufferPadding + height;

      if (height === 1) {
        if ((v0 & 1) !== 0) {
          for (u = 0; u < width; u++) {
            items[u] *= 0.5;
          }
        }
      } else {
        for (u = 0; u < width; u++) {
          if (currentBuffer === 0) {
            numBuffers = Math.min(width - u, numBuffers);

            for (k = u, l = bufferPadding; l < ll; k += width, l++) {
              for (b = 0; b < numBuffers; b++) {
                colBuffers[b][l] = items[k + b];
              }
            }

            currentBuffer = numBuffers;
          }

          currentBuffer--;
          var buffer = colBuffers[currentBuffer];
          this.extend(buffer, bufferPadding, height);
          this.filter(buffer, bufferPadding, height);

          if (currentBuffer === 0) {
            k = u - numBuffers + 1;

            for (l = bufferPadding; l < ll; k += width, l++) {
              for (b = 0; b < numBuffers; b++) {
                items[k + b] = colBuffers[b][l];
              }
            }
          }
        }
      }

      return {
        width: width,
        height: height,
        items: items
      };
    }
  }]);

  return Transform;
}();

var IrreversibleTransform = /*#__PURE__*/function (_Transform) {
  _inherits(IrreversibleTransform, _Transform);

  var _super2 = _createSuper(IrreversibleTransform);

  function IrreversibleTransform() {
    _classCallCheck(this, IrreversibleTransform);

    return _super2.apply(this, arguments);
  }

  _createClass(IrreversibleTransform, [{
    key: "filter",
    value: function filter(x, offset, length) {
      var len = length >> 1;
      offset |= 0;
      var j, n, current, next;
      var alpha = -1.586134342059924;
      var beta = -0.052980118572961;
      var gamma = 0.882911075530934;
      var delta = 0.443506852043971;
      var K = 1.230174104914001;
      var K_ = 1 / K;
      j = offset - 3;

      for (n = len + 4; n--; j += 2) {
        x[j] *= K_;
      }

      j = offset - 2;
      current = delta * x[j - 1];

      for (n = len + 3; n--; j += 2) {
        next = delta * x[j + 1];
        x[j] = K * x[j] - current - next;

        if (n--) {
          j += 2;
          current = delta * x[j + 1];
          x[j] = K * x[j] - current - next;
        } else {
          break;
        }
      }

      j = offset - 1;
      current = gamma * x[j - 1];

      for (n = len + 2; n--; j += 2) {
        next = gamma * x[j + 1];
        x[j] -= current + next;

        if (n--) {
          j += 2;
          current = gamma * x[j + 1];
          x[j] -= current + next;
        } else {
          break;
        }
      }

      j = offset;
      current = beta * x[j - 1];

      for (n = len + 1; n--; j += 2) {
        next = beta * x[j + 1];
        x[j] -= current + next;

        if (n--) {
          j += 2;
          current = beta * x[j + 1];
          x[j] -= current + next;
        } else {
          break;
        }
      }

      if (len !== 0) {
        j = offset + 1;
        current = alpha * x[j - 1];

        for (n = len; n--; j += 2) {
          next = alpha * x[j + 1];
          x[j] -= current + next;

          if (n--) {
            j += 2;
            current = alpha * x[j + 1];
            x[j] -= current + next;
          } else {
            break;
          }
        }
      }
    }
  }]);

  return IrreversibleTransform;
}(Transform);

var ReversibleTransform = /*#__PURE__*/function (_Transform2) {
  _inherits(ReversibleTransform, _Transform2);

  var _super3 = _createSuper(ReversibleTransform);

  function ReversibleTransform() {
    _classCallCheck(this, ReversibleTransform);

    return _super3.apply(this, arguments);
  }

  _createClass(ReversibleTransform, [{
    key: "filter",
    value: function filter(x, offset, length) {
      var len = length >> 1;
      offset |= 0;
      var j, n;

      for (j = offset, n = len + 1; n--; j += 2) {
        x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
      }

      for (j = offset + 1, n = len; n--; j += 2) {
        x[j] += x[j - 1] + x[j + 1] >> 1;
      }
    }
  }]);

  return ReversibleTransform;
}(Transform);

/***/ })
/******/ 	]);
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __w_pdfjs_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		var cachedModule = __webpack_module_cache__[moduleId];
/******/ 		if (cachedModule !== undefined) {
/******/ 			return cachedModule.exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			id: moduleId,
/******/ 			loaded: false,
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
/******/ 	
/******/ 		// Flag the module as loaded
/******/ 		module.loaded = true;
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/node module decorator */
/******/ 	(() => {
/******/ 		__w_pdfjs_require__.nmd = (module) => {
/******/ 			module.paths = [];
/******/ 			if (!module.children) module.children = [];
/******/ 			return module;
/******/ 		};
/******/ 	})();
/******/ 	
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
var exports = __webpack_exports__;


Object.defineProperty(exports, "__esModule", ({
  value: true
}));
Object.defineProperty(exports, "Jbig2Image", ({
  enumerable: true,
  get: function get() {
    return _jbig.Jbig2Image;
  }
}));
Object.defineProperty(exports, "JpegImage", ({
  enumerable: true,
  get: function get() {
    return _jpg.JpegImage;
  }
}));
Object.defineProperty(exports, "JpxImage", ({
  enumerable: true,
  get: function get() {
    return _jpx.JpxImage;
  }
}));
Object.defineProperty(exports, "getVerbosityLevel", ({
  enumerable: true,
  get: function get() {
    return _util.getVerbosityLevel;
  }
}));
Object.defineProperty(exports, "setVerbosityLevel", ({
  enumerable: true,
  get: function get() {
    return _util.setVerbosityLevel;
  }
}));

var _util = __w_pdfjs_require__(1);

var _jbig = __w_pdfjs_require__(5);

var _jpg = __w_pdfjs_require__(13);

var _jpx = __w_pdfjs_require__(14);

var pdfjsVersion = '2.13.216';
var pdfjsBuild = '399a0ec60';
})();

/******/ 	return __webpack_exports__;
/******/ })()
;
});
//# sourceMappingURL=pdf.image_decoders.js.map