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  1. /**
  2. * @licstart The following is the entire license notice for the
  3. * Javascript code in this page
  4. *
  5. * Copyright 2021 Mozilla Foundation
  6. *
  7. * Licensed under the Apache License, Version 2.0 (the "License");
  8. * you may not use this file except in compliance with the License.
  9. * You may obtain a copy of the License at
  10. *
  11. * http://www.apache.org/licenses/LICENSE-2.0
  12. *
  13. * Unless required by applicable law or agreed to in writing, software
  14. * distributed under the License is distributed on an "AS IS" BASIS,
  15. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16. * See the License for the specific language governing permissions and
  17. * limitations under the License.
  18. *
  19. * @licend The above is the entire license notice for the
  20. * Javascript code in this page
  21. */
  22. (function webpackUniversalModuleDefinition(root, factory) {
  23. if(typeof exports === 'object' && typeof module === 'object')
  24. module.exports = factory();
  25. else if(typeof define === 'function' && define.amd)
  26. define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory);
  27. else if(typeof exports === 'object')
  28. exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory();
  29. else
  30. root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory();
  31. })(this, function() {
  32. return /******/ (() => { // webpackBootstrap
  33. /******/ var __webpack_modules__ = ([
  34. /* 0 */,
  35. /* 1 */
  36. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  37. "use strict";
  38. Object.defineProperty(exports, "__esModule", ({
  39. value: true
  40. }));
  41. exports.arrayByteLength = arrayByteLength;
  42. exports.arraysToBytes = arraysToBytes;
  43. exports.assert = assert;
  44. exports.bytesToString = bytesToString;
  45. exports.createObjectURL = createObjectURL;
  46. exports.createPromiseCapability = createPromiseCapability;
  47. exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
  48. exports.escapeString = escapeString;
  49. exports.getModificationDate = getModificationDate;
  50. exports.getVerbosityLevel = getVerbosityLevel;
  51. exports.info = info;
  52. exports.isArrayBuffer = isArrayBuffer;
  53. exports.isArrayEqual = isArrayEqual;
  54. exports.isAscii = isAscii;
  55. exports.isBool = isBool;
  56. exports.isNum = isNum;
  57. exports.isSameOrigin = isSameOrigin;
  58. exports.isString = isString;
  59. exports.objectFromMap = objectFromMap;
  60. exports.objectSize = objectSize;
  61. exports.removeNullCharacters = removeNullCharacters;
  62. exports.setVerbosityLevel = setVerbosityLevel;
  63. exports.shadow = shadow;
  64. exports.string32 = string32;
  65. exports.stringToBytes = stringToBytes;
  66. exports.stringToPDFString = stringToPDFString;
  67. exports.stringToUTF16BEString = stringToUTF16BEString;
  68. exports.stringToUTF8String = stringToUTF8String;
  69. exports.unreachable = unreachable;
  70. exports.utf8StringToString = utf8StringToString;
  71. exports.warn = warn;
  72. exports.VerbosityLevel = exports.Util = exports.UNSUPPORTED_FEATURES = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = 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.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
  73. __w_pdfjs_require__(2);
  74. 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); } }
  75. function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  76. function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
  77. 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."); }
  78. function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
  79. function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
  80. function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
  81. 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."); }
  82. function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  83. function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  84. function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { 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 = o[Symbol.iterator](); }, 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; } } }; }
  85. 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); }
  86. 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; }
  87. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  88. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  89. 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 } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  90. function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  91. 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); }; }
  92. function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  93. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  94. 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; } }
  95. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  96. var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
  97. exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
  98. var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
  99. exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
  100. var PermissionFlag = {
  101. PRINT: 0x04,
  102. MODIFY_CONTENTS: 0x08,
  103. COPY: 0x10,
  104. MODIFY_ANNOTATIONS: 0x20,
  105. FILL_INTERACTIVE_FORMS: 0x100,
  106. COPY_FOR_ACCESSIBILITY: 0x200,
  107. ASSEMBLE: 0x400,
  108. PRINT_HIGH_QUALITY: 0x800
  109. };
  110. exports.PermissionFlag = PermissionFlag;
  111. var TextRenderingMode = {
  112. FILL: 0,
  113. STROKE: 1,
  114. FILL_STROKE: 2,
  115. INVISIBLE: 3,
  116. FILL_ADD_TO_PATH: 4,
  117. STROKE_ADD_TO_PATH: 5,
  118. FILL_STROKE_ADD_TO_PATH: 6,
  119. ADD_TO_PATH: 7,
  120. FILL_STROKE_MASK: 3,
  121. ADD_TO_PATH_FLAG: 4
  122. };
  123. exports.TextRenderingMode = TextRenderingMode;
  124. var ImageKind = {
  125. GRAYSCALE_1BPP: 1,
  126. RGB_24BPP: 2,
  127. RGBA_32BPP: 3
  128. };
  129. exports.ImageKind = ImageKind;
  130. var AnnotationType = {
  131. TEXT: 1,
  132. LINK: 2,
  133. FREETEXT: 3,
  134. LINE: 4,
  135. SQUARE: 5,
  136. CIRCLE: 6,
  137. POLYGON: 7,
  138. POLYLINE: 8,
  139. HIGHLIGHT: 9,
  140. UNDERLINE: 10,
  141. SQUIGGLY: 11,
  142. STRIKEOUT: 12,
  143. STAMP: 13,
  144. CARET: 14,
  145. INK: 15,
  146. POPUP: 16,
  147. FILEATTACHMENT: 17,
  148. SOUND: 18,
  149. MOVIE: 19,
  150. WIDGET: 20,
  151. SCREEN: 21,
  152. PRINTERMARK: 22,
  153. TRAPNET: 23,
  154. WATERMARK: 24,
  155. THREED: 25,
  156. REDACT: 26
  157. };
  158. exports.AnnotationType = AnnotationType;
  159. var AnnotationStateModelType = {
  160. MARKED: "Marked",
  161. REVIEW: "Review"
  162. };
  163. exports.AnnotationStateModelType = AnnotationStateModelType;
  164. var AnnotationMarkedState = {
  165. MARKED: "Marked",
  166. UNMARKED: "Unmarked"
  167. };
  168. exports.AnnotationMarkedState = AnnotationMarkedState;
  169. var AnnotationReviewState = {
  170. ACCEPTED: "Accepted",
  171. REJECTED: "Rejected",
  172. CANCELLED: "Cancelled",
  173. COMPLETED: "Completed",
  174. NONE: "None"
  175. };
  176. exports.AnnotationReviewState = AnnotationReviewState;
  177. var AnnotationReplyType = {
  178. GROUP: "Group",
  179. REPLY: "R"
  180. };
  181. exports.AnnotationReplyType = AnnotationReplyType;
  182. var AnnotationFlag = {
  183. INVISIBLE: 0x01,
  184. HIDDEN: 0x02,
  185. PRINT: 0x04,
  186. NOZOOM: 0x08,
  187. NOROTATE: 0x10,
  188. NOVIEW: 0x20,
  189. READONLY: 0x40,
  190. LOCKED: 0x80,
  191. TOGGLENOVIEW: 0x100,
  192. LOCKEDCONTENTS: 0x200
  193. };
  194. exports.AnnotationFlag = AnnotationFlag;
  195. var AnnotationFieldFlag = {
  196. READONLY: 0x0000001,
  197. REQUIRED: 0x0000002,
  198. NOEXPORT: 0x0000004,
  199. MULTILINE: 0x0001000,
  200. PASSWORD: 0x0002000,
  201. NOTOGGLETOOFF: 0x0004000,
  202. RADIO: 0x0008000,
  203. PUSHBUTTON: 0x0010000,
  204. COMBO: 0x0020000,
  205. EDIT: 0x0040000,
  206. SORT: 0x0080000,
  207. FILESELECT: 0x0100000,
  208. MULTISELECT: 0x0200000,
  209. DONOTSPELLCHECK: 0x0400000,
  210. DONOTSCROLL: 0x0800000,
  211. COMB: 0x1000000,
  212. RICHTEXT: 0x2000000,
  213. RADIOSINUNISON: 0x2000000,
  214. COMMITONSELCHANGE: 0x4000000
  215. };
  216. exports.AnnotationFieldFlag = AnnotationFieldFlag;
  217. var AnnotationBorderStyleType = {
  218. SOLID: 1,
  219. DASHED: 2,
  220. BEVELED: 3,
  221. INSET: 4,
  222. UNDERLINE: 5
  223. };
  224. exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
  225. var AnnotationActionEventType = {
  226. E: "Mouse Enter",
  227. X: "Mouse Exit",
  228. D: "Mouse Down",
  229. U: "Mouse Up",
  230. Fo: "Focus",
  231. Bl: "Blur",
  232. PO: "PageOpen",
  233. PC: "PageClose",
  234. PV: "PageVisible",
  235. PI: "PageInvisible",
  236. K: "Keystroke",
  237. F: "Format",
  238. V: "Validate",
  239. C: "Calculate"
  240. };
  241. exports.AnnotationActionEventType = AnnotationActionEventType;
  242. var DocumentActionEventType = {
  243. WC: "WillClose",
  244. WS: "WillSave",
  245. DS: "DidSave",
  246. WP: "WillPrint",
  247. DP: "DidPrint"
  248. };
  249. exports.DocumentActionEventType = DocumentActionEventType;
  250. var PageActionEventType = {
  251. O: "PageOpen",
  252. C: "PageClose"
  253. };
  254. exports.PageActionEventType = PageActionEventType;
  255. var StreamType = {
  256. UNKNOWN: "UNKNOWN",
  257. FLATE: "FLATE",
  258. LZW: "LZW",
  259. DCT: "DCT",
  260. JPX: "JPX",
  261. JBIG: "JBIG",
  262. A85: "A85",
  263. AHX: "AHX",
  264. CCF: "CCF",
  265. RLX: "RLX"
  266. };
  267. exports.StreamType = StreamType;
  268. var FontType = {
  269. UNKNOWN: "UNKNOWN",
  270. TYPE1: "TYPE1",
  271. TYPE1C: "TYPE1C",
  272. CIDFONTTYPE0: "CIDFONTTYPE0",
  273. CIDFONTTYPE0C: "CIDFONTTYPE0C",
  274. TRUETYPE: "TRUETYPE",
  275. CIDFONTTYPE2: "CIDFONTTYPE2",
  276. TYPE3: "TYPE3",
  277. OPENTYPE: "OPENTYPE",
  278. TYPE0: "TYPE0",
  279. MMTYPE1: "MMTYPE1"
  280. };
  281. exports.FontType = FontType;
  282. var VerbosityLevel = {
  283. ERRORS: 0,
  284. WARNINGS: 1,
  285. INFOS: 5
  286. };
  287. exports.VerbosityLevel = VerbosityLevel;
  288. var CMapCompressionType = {
  289. NONE: 0,
  290. BINARY: 1,
  291. STREAM: 2
  292. };
  293. exports.CMapCompressionType = CMapCompressionType;
  294. var OPS = {
  295. dependency: 1,
  296. setLineWidth: 2,
  297. setLineCap: 3,
  298. setLineJoin: 4,
  299. setMiterLimit: 5,
  300. setDash: 6,
  301. setRenderingIntent: 7,
  302. setFlatness: 8,
  303. setGState: 9,
  304. save: 10,
  305. restore: 11,
  306. transform: 12,
  307. moveTo: 13,
  308. lineTo: 14,
  309. curveTo: 15,
  310. curveTo2: 16,
  311. curveTo3: 17,
  312. closePath: 18,
  313. rectangle: 19,
  314. stroke: 20,
  315. closeStroke: 21,
  316. fill: 22,
  317. eoFill: 23,
  318. fillStroke: 24,
  319. eoFillStroke: 25,
  320. closeFillStroke: 26,
  321. closeEOFillStroke: 27,
  322. endPath: 28,
  323. clip: 29,
  324. eoClip: 30,
  325. beginText: 31,
  326. endText: 32,
  327. setCharSpacing: 33,
  328. setWordSpacing: 34,
  329. setHScale: 35,
  330. setLeading: 36,
  331. setFont: 37,
  332. setTextRenderingMode: 38,
  333. setTextRise: 39,
  334. moveText: 40,
  335. setLeadingMoveText: 41,
  336. setTextMatrix: 42,
  337. nextLine: 43,
  338. showText: 44,
  339. showSpacedText: 45,
  340. nextLineShowText: 46,
  341. nextLineSetSpacingShowText: 47,
  342. setCharWidth: 48,
  343. setCharWidthAndBounds: 49,
  344. setStrokeColorSpace: 50,
  345. setFillColorSpace: 51,
  346. setStrokeColor: 52,
  347. setStrokeColorN: 53,
  348. setFillColor: 54,
  349. setFillColorN: 55,
  350. setStrokeGray: 56,
  351. setFillGray: 57,
  352. setStrokeRGBColor: 58,
  353. setFillRGBColor: 59,
  354. setStrokeCMYKColor: 60,
  355. setFillCMYKColor: 61,
  356. shadingFill: 62,
  357. beginInlineImage: 63,
  358. beginImageData: 64,
  359. endInlineImage: 65,
  360. paintXObject: 66,
  361. markPoint: 67,
  362. markPointProps: 68,
  363. beginMarkedContent: 69,
  364. beginMarkedContentProps: 70,
  365. endMarkedContent: 71,
  366. beginCompat: 72,
  367. endCompat: 73,
  368. paintFormXObjectBegin: 74,
  369. paintFormXObjectEnd: 75,
  370. beginGroup: 76,
  371. endGroup: 77,
  372. beginAnnotations: 78,
  373. endAnnotations: 79,
  374. beginAnnotation: 80,
  375. endAnnotation: 81,
  376. paintJpegXObject: 82,
  377. paintImageMaskXObject: 83,
  378. paintImageMaskXObjectGroup: 84,
  379. paintImageXObject: 85,
  380. paintInlineImageXObject: 86,
  381. paintInlineImageXObjectGroup: 87,
  382. paintImageXObjectRepeat: 88,
  383. paintImageMaskXObjectRepeat: 89,
  384. paintSolidColorImageMask: 90,
  385. constructPath: 91
  386. };
  387. exports.OPS = OPS;
  388. var UNSUPPORTED_FEATURES = {
  389. unknown: "unknown",
  390. forms: "forms",
  391. javaScript: "javaScript",
  392. smask: "smask",
  393. shadingPattern: "shadingPattern",
  394. font: "font",
  395. errorTilingPattern: "errorTilingPattern",
  396. errorExtGState: "errorExtGState",
  397. errorXObject: "errorXObject",
  398. errorFontLoadType3: "errorFontLoadType3",
  399. errorFontState: "errorFontState",
  400. errorFontMissing: "errorFontMissing",
  401. errorFontTranslate: "errorFontTranslate",
  402. errorColorSpace: "errorColorSpace",
  403. errorOperatorList: "errorOperatorList",
  404. errorFontToUnicode: "errorFontToUnicode",
  405. errorFontLoadNative: "errorFontLoadNative",
  406. errorFontGetPath: "errorFontGetPath",
  407. errorMarkedContent: "errorMarkedContent"
  408. };
  409. exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
  410. var PasswordResponses = {
  411. NEED_PASSWORD: 1,
  412. INCORRECT_PASSWORD: 2
  413. };
  414. exports.PasswordResponses = PasswordResponses;
  415. var verbosity = VerbosityLevel.WARNINGS;
  416. function setVerbosityLevel(level) {
  417. if (Number.isInteger(level)) {
  418. verbosity = level;
  419. }
  420. }
  421. function getVerbosityLevel() {
  422. return verbosity;
  423. }
  424. function info(msg) {
  425. if (verbosity >= VerbosityLevel.INFOS) {
  426. console.log("Info: ".concat(msg));
  427. }
  428. }
  429. function warn(msg) {
  430. if (verbosity >= VerbosityLevel.WARNINGS) {
  431. console.log("Warning: ".concat(msg));
  432. }
  433. }
  434. function unreachable(msg) {
  435. throw new Error(msg);
  436. }
  437. function assert(cond, msg) {
  438. if (!cond) {
  439. unreachable(msg);
  440. }
  441. }
  442. function isSameOrigin(baseUrl, otherUrl) {
  443. var base;
  444. try {
  445. base = new URL(baseUrl);
  446. if (!base.origin || base.origin === "null") {
  447. return false;
  448. }
  449. } catch (e) {
  450. return false;
  451. }
  452. var other = new URL(otherUrl, base);
  453. return base.origin === other.origin;
  454. }
  455. function _isValidProtocol(url) {
  456. if (!url) {
  457. return false;
  458. }
  459. switch (url.protocol) {
  460. case "http:":
  461. case "https:":
  462. case "ftp:":
  463. case "mailto:":
  464. case "tel:":
  465. return true;
  466. default:
  467. return false;
  468. }
  469. }
  470. function createValidAbsoluteUrl(url, baseUrl) {
  471. if (!url) {
  472. return null;
  473. }
  474. try {
  475. var absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
  476. if (_isValidProtocol(absoluteUrl)) {
  477. return absoluteUrl;
  478. }
  479. } catch (ex) {}
  480. return null;
  481. }
  482. function shadow(obj, prop, value) {
  483. Object.defineProperty(obj, prop, {
  484. value: value,
  485. enumerable: true,
  486. configurable: true,
  487. writable: false
  488. });
  489. return value;
  490. }
  491. var BaseException = function BaseExceptionClosure() {
  492. function BaseException(message) {
  493. if (this.constructor === BaseException) {
  494. unreachable("Cannot initialize BaseException.");
  495. }
  496. this.message = message;
  497. this.name = this.constructor.name;
  498. }
  499. BaseException.prototype = new Error();
  500. BaseException.constructor = BaseException;
  501. return BaseException;
  502. }();
  503. exports.BaseException = BaseException;
  504. var PasswordException = /*#__PURE__*/function (_BaseException) {
  505. _inherits(PasswordException, _BaseException);
  506. var _super = _createSuper(PasswordException);
  507. function PasswordException(msg, code) {
  508. var _this;
  509. _classCallCheck(this, PasswordException);
  510. _this = _super.call(this, msg);
  511. _this.code = code;
  512. return _this;
  513. }
  514. return PasswordException;
  515. }(BaseException);
  516. exports.PasswordException = PasswordException;
  517. var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
  518. _inherits(UnknownErrorException, _BaseException2);
  519. var _super2 = _createSuper(UnknownErrorException);
  520. function UnknownErrorException(msg, details) {
  521. var _this2;
  522. _classCallCheck(this, UnknownErrorException);
  523. _this2 = _super2.call(this, msg);
  524. _this2.details = details;
  525. return _this2;
  526. }
  527. return UnknownErrorException;
  528. }(BaseException);
  529. exports.UnknownErrorException = UnknownErrorException;
  530. var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
  531. _inherits(InvalidPDFException, _BaseException3);
  532. var _super3 = _createSuper(InvalidPDFException);
  533. function InvalidPDFException() {
  534. _classCallCheck(this, InvalidPDFException);
  535. return _super3.apply(this, arguments);
  536. }
  537. return InvalidPDFException;
  538. }(BaseException);
  539. exports.InvalidPDFException = InvalidPDFException;
  540. var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
  541. _inherits(MissingPDFException, _BaseException4);
  542. var _super4 = _createSuper(MissingPDFException);
  543. function MissingPDFException() {
  544. _classCallCheck(this, MissingPDFException);
  545. return _super4.apply(this, arguments);
  546. }
  547. return MissingPDFException;
  548. }(BaseException);
  549. exports.MissingPDFException = MissingPDFException;
  550. var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
  551. _inherits(UnexpectedResponseException, _BaseException5);
  552. var _super5 = _createSuper(UnexpectedResponseException);
  553. function UnexpectedResponseException(msg, status) {
  554. var _this3;
  555. _classCallCheck(this, UnexpectedResponseException);
  556. _this3 = _super5.call(this, msg);
  557. _this3.status = status;
  558. return _this3;
  559. }
  560. return UnexpectedResponseException;
  561. }(BaseException);
  562. exports.UnexpectedResponseException = UnexpectedResponseException;
  563. var FormatError = /*#__PURE__*/function (_BaseException6) {
  564. _inherits(FormatError, _BaseException6);
  565. var _super6 = _createSuper(FormatError);
  566. function FormatError() {
  567. _classCallCheck(this, FormatError);
  568. return _super6.apply(this, arguments);
  569. }
  570. return FormatError;
  571. }(BaseException);
  572. exports.FormatError = FormatError;
  573. var AbortException = /*#__PURE__*/function (_BaseException7) {
  574. _inherits(AbortException, _BaseException7);
  575. var _super7 = _createSuper(AbortException);
  576. function AbortException() {
  577. _classCallCheck(this, AbortException);
  578. return _super7.apply(this, arguments);
  579. }
  580. return AbortException;
  581. }(BaseException);
  582. exports.AbortException = AbortException;
  583. var NullCharactersRegExp = /\x00/g;
  584. function removeNullCharacters(str) {
  585. if (typeof str !== "string") {
  586. warn("The argument for removeNullCharacters must be a string.");
  587. return str;
  588. }
  589. return str.replace(NullCharactersRegExp, "");
  590. }
  591. function bytesToString(bytes) {
  592. assert(bytes !== null && _typeof(bytes) === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
  593. var length = bytes.length;
  594. var MAX_ARGUMENT_COUNT = 8192;
  595. if (length < MAX_ARGUMENT_COUNT) {
  596. return String.fromCharCode.apply(null, bytes);
  597. }
  598. var strBuf = [];
  599. for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
  600. var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
  601. var chunk = bytes.subarray(i, chunkEnd);
  602. strBuf.push(String.fromCharCode.apply(null, chunk));
  603. }
  604. return strBuf.join("");
  605. }
  606. function stringToBytes(str) {
  607. assert(typeof str === "string", "Invalid argument for stringToBytes");
  608. var length = str.length;
  609. var bytes = new Uint8Array(length);
  610. for (var i = 0; i < length; ++i) {
  611. bytes[i] = str.charCodeAt(i) & 0xff;
  612. }
  613. return bytes;
  614. }
  615. function arrayByteLength(arr) {
  616. if (arr.length !== undefined) {
  617. return arr.length;
  618. }
  619. assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
  620. return arr.byteLength;
  621. }
  622. function arraysToBytes(arr) {
  623. var length = arr.length;
  624. if (length === 1 && arr[0] instanceof Uint8Array) {
  625. return arr[0];
  626. }
  627. var resultLength = 0;
  628. for (var i = 0; i < length; i++) {
  629. resultLength += arrayByteLength(arr[i]);
  630. }
  631. var pos = 0;
  632. var data = new Uint8Array(resultLength);
  633. for (var _i = 0; _i < length; _i++) {
  634. var item = arr[_i];
  635. if (!(item instanceof Uint8Array)) {
  636. if (typeof item === "string") {
  637. item = stringToBytes(item);
  638. } else {
  639. item = new Uint8Array(item);
  640. }
  641. }
  642. var itemLength = item.byteLength;
  643. data.set(item, pos);
  644. pos += itemLength;
  645. }
  646. return data;
  647. }
  648. function string32(value) {
  649. return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
  650. }
  651. function objectSize(obj) {
  652. return Object.keys(obj).length;
  653. }
  654. function objectFromMap(map) {
  655. var obj = Object.create(null);
  656. var _iterator = _createForOfIteratorHelper(map),
  657. _step;
  658. try {
  659. for (_iterator.s(); !(_step = _iterator.n()).done;) {
  660. var _step$value = _slicedToArray(_step.value, 2),
  661. key = _step$value[0],
  662. value = _step$value[1];
  663. obj[key] = value;
  664. }
  665. } catch (err) {
  666. _iterator.e(err);
  667. } finally {
  668. _iterator.f();
  669. }
  670. return obj;
  671. }
  672. function isLittleEndian() {
  673. var buffer8 = new Uint8Array(4);
  674. buffer8[0] = 1;
  675. var view32 = new Uint32Array(buffer8.buffer, 0, 1);
  676. return view32[0] === 1;
  677. }
  678. var IsLittleEndianCached = {
  679. get value() {
  680. return shadow(this, "value", isLittleEndian());
  681. }
  682. };
  683. exports.IsLittleEndianCached = IsLittleEndianCached;
  684. function isEvalSupported() {
  685. try {
  686. new Function("");
  687. return true;
  688. } catch (e) {
  689. return false;
  690. }
  691. }
  692. var IsEvalSupportedCached = {
  693. get value() {
  694. return shadow(this, "value", isEvalSupported());
  695. }
  696. };
  697. exports.IsEvalSupportedCached = IsEvalSupportedCached;
  698. var hexNumbers = _toConsumableArray(Array(256).keys()).map(function (n) {
  699. return n.toString(16).padStart(2, "0");
  700. });
  701. var Util = /*#__PURE__*/function () {
  702. function Util() {
  703. _classCallCheck(this, Util);
  704. }
  705. _createClass(Util, null, [{
  706. key: "makeHexColor",
  707. value: function makeHexColor(r, g, b) {
  708. return "#".concat(hexNumbers[r]).concat(hexNumbers[g]).concat(hexNumbers[b]);
  709. }
  710. }, {
  711. key: "transform",
  712. value: function transform(m1, m2) {
  713. 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]];
  714. }
  715. }, {
  716. key: "applyTransform",
  717. value: function applyTransform(p, m) {
  718. var xt = p[0] * m[0] + p[1] * m[2] + m[4];
  719. var yt = p[0] * m[1] + p[1] * m[3] + m[5];
  720. return [xt, yt];
  721. }
  722. }, {
  723. key: "applyInverseTransform",
  724. value: function applyInverseTransform(p, m) {
  725. var d = m[0] * m[3] - m[1] * m[2];
  726. var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
  727. var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
  728. return [xt, yt];
  729. }
  730. }, {
  731. key: "getAxialAlignedBoundingBox",
  732. value: function getAxialAlignedBoundingBox(r, m) {
  733. var p1 = Util.applyTransform(r, m);
  734. var p2 = Util.applyTransform(r.slice(2, 4), m);
  735. var p3 = Util.applyTransform([r[0], r[3]], m);
  736. var p4 = Util.applyTransform([r[2], r[1]], m);
  737. 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])];
  738. }
  739. }, {
  740. key: "inverseTransform",
  741. value: function inverseTransform(m) {
  742. var d = m[0] * m[3] - m[1] * m[2];
  743. 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];
  744. }
  745. }, {
  746. key: "apply3dTransform",
  747. value: function apply3dTransform(m, v) {
  748. 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]];
  749. }
  750. }, {
  751. key: "singularValueDecompose2dScale",
  752. value: function singularValueDecompose2dScale(m) {
  753. var transpose = [m[0], m[2], m[1], m[3]];
  754. var a = m[0] * transpose[0] + m[1] * transpose[2];
  755. var b = m[0] * transpose[1] + m[1] * transpose[3];
  756. var c = m[2] * transpose[0] + m[3] * transpose[2];
  757. var d = m[2] * transpose[1] + m[3] * transpose[3];
  758. var first = (a + d) / 2;
  759. var second = Math.sqrt(Math.pow(a + d, 2) - 4 * (a * d - c * b)) / 2;
  760. var sx = first + second || 1;
  761. var sy = first - second || 1;
  762. return [Math.sqrt(sx), Math.sqrt(sy)];
  763. }
  764. }, {
  765. key: "normalizeRect",
  766. value: function normalizeRect(rect) {
  767. var r = rect.slice(0);
  768. if (rect[0] > rect[2]) {
  769. r[0] = rect[2];
  770. r[2] = rect[0];
  771. }
  772. if (rect[1] > rect[3]) {
  773. r[1] = rect[3];
  774. r[3] = rect[1];
  775. }
  776. return r;
  777. }
  778. }, {
  779. key: "intersect",
  780. value: function intersect(rect1, rect2) {
  781. function compare(a, b) {
  782. return a - b;
  783. }
  784. var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
  785. var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
  786. var result = [];
  787. rect1 = Util.normalizeRect(rect1);
  788. rect2 = Util.normalizeRect(rect2);
  789. if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
  790. result[0] = orderedX[1];
  791. result[2] = orderedX[2];
  792. } else {
  793. return null;
  794. }
  795. if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
  796. result[1] = orderedY[1];
  797. result[3] = orderedY[2];
  798. } else {
  799. return null;
  800. }
  801. return result;
  802. }
  803. }]);
  804. return Util;
  805. }();
  806. exports.Util = Util;
  807. 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];
  808. function stringToPDFString(str) {
  809. var length = str.length,
  810. strBuf = [];
  811. if (str[0] === "\xFE" && str[1] === "\xFF") {
  812. for (var i = 2; i < length; i += 2) {
  813. strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
  814. }
  815. } else if (str[0] === "\xFF" && str[1] === "\xFE") {
  816. for (var _i2 = 2; _i2 < length; _i2 += 2) {
  817. strBuf.push(String.fromCharCode(str.charCodeAt(_i2 + 1) << 8 | str.charCodeAt(_i2)));
  818. }
  819. } else {
  820. for (var _i3 = 0; _i3 < length; ++_i3) {
  821. var code = PDFStringTranslateTable[str.charCodeAt(_i3)];
  822. strBuf.push(code ? String.fromCharCode(code) : str.charAt(_i3));
  823. }
  824. }
  825. return strBuf.join("");
  826. }
  827. function escapeString(str) {
  828. return str.replace(/([()\\\n\r])/g, function (match) {
  829. if (match === "\n") {
  830. return "\\n";
  831. } else if (match === "\r") {
  832. return "\\r";
  833. }
  834. return "\\".concat(match);
  835. });
  836. }
  837. function isAscii(str) {
  838. return /^[\x00-\x7F]*$/.test(str);
  839. }
  840. function stringToUTF16BEString(str) {
  841. var buf = ["\xFE\xFF"];
  842. for (var i = 0, ii = str.length; i < ii; i++) {
  843. var _char = str.charCodeAt(i);
  844. buf.push(String.fromCharCode(_char >> 8 & 0xff));
  845. buf.push(String.fromCharCode(_char & 0xff));
  846. }
  847. return buf.join("");
  848. }
  849. function stringToUTF8String(str) {
  850. return decodeURIComponent(escape(str));
  851. }
  852. function utf8StringToString(str) {
  853. return unescape(encodeURIComponent(str));
  854. }
  855. function isBool(v) {
  856. return typeof v === "boolean";
  857. }
  858. function isNum(v) {
  859. return typeof v === "number";
  860. }
  861. function isString(v) {
  862. return typeof v === "string";
  863. }
  864. function isArrayBuffer(v) {
  865. return _typeof(v) === "object" && v !== null && v.byteLength !== undefined;
  866. }
  867. function isArrayEqual(arr1, arr2) {
  868. if (arr1.length !== arr2.length) {
  869. return false;
  870. }
  871. for (var i = 0, ii = arr1.length; i < ii; i++) {
  872. if (arr1[i] !== arr2[i]) {
  873. return false;
  874. }
  875. }
  876. return true;
  877. }
  878. function getModificationDate() {
  879. var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date();
  880. 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")];
  881. return buffer.join("");
  882. }
  883. function createPromiseCapability() {
  884. var capability = Object.create(null);
  885. var isSettled = false;
  886. Object.defineProperty(capability, "settled", {
  887. get: function get() {
  888. return isSettled;
  889. }
  890. });
  891. capability.promise = new Promise(function (resolve, reject) {
  892. capability.resolve = function (data) {
  893. isSettled = true;
  894. resolve(data);
  895. };
  896. capability.reject = function (reason) {
  897. isSettled = true;
  898. reject(reason);
  899. };
  900. });
  901. return capability;
  902. }
  903. function createObjectURL(data) {
  904. var contentType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
  905. var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  906. if (URL.createObjectURL && !forceDataSchema) {
  907. return URL.createObjectURL(new Blob([data], {
  908. type: contentType
  909. }));
  910. }
  911. var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
  912. var buffer = "data:".concat(contentType, ";base64,");
  913. for (var i = 0, ii = data.length; i < ii; i += 3) {
  914. var b1 = data[i] & 0xff;
  915. var b2 = data[i + 1] & 0xff;
  916. var b3 = data[i + 2] & 0xff;
  917. var d1 = b1 >> 2,
  918. d2 = (b1 & 3) << 4 | b2 >> 4;
  919. var d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
  920. var d4 = i + 2 < ii ? b3 & 0x3f : 64;
  921. buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
  922. }
  923. return buffer;
  924. }
  925. /***/ }),
  926. /* 2 */
  927. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  928. "use strict";
  929. var _is_node = __w_pdfjs_require__(3);
  930. if (typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked) {
  931. if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
  932. globalThis = __w_pdfjs_require__(4);
  933. }
  934. globalThis._pdfjsCompatibilityChecked = true;
  935. (function checkNodeBtoa() {
  936. if (globalThis.btoa || !_is_node.isNodeJS) {
  937. return;
  938. }
  939. globalThis.btoa = function (chars) {
  940. return Buffer.from(chars, "binary").toString("base64");
  941. };
  942. })();
  943. (function checkNodeAtob() {
  944. if (globalThis.atob || !_is_node.isNodeJS) {
  945. return;
  946. }
  947. globalThis.atob = function (input) {
  948. return Buffer.from(input, "base64").toString("binary");
  949. };
  950. })();
  951. (function checkObjectFromEntries() {
  952. if (Object.fromEntries) {
  953. return;
  954. }
  955. __w_pdfjs_require__(49);
  956. })();
  957. (function checkPromise() {})();
  958. (function checkReadableStream() {})();
  959. (function checkStringPadStart() {
  960. if (String.prototype.padStart) {
  961. return;
  962. }
  963. __w_pdfjs_require__(82);
  964. })();
  965. (function checkStringPadEnd() {
  966. if (String.prototype.padEnd) {
  967. return;
  968. }
  969. __w_pdfjs_require__(88);
  970. })();
  971. (function checkObjectValues() {
  972. if (Object.values) {
  973. return;
  974. }
  975. Object.values = __w_pdfjs_require__(90);
  976. })();
  977. (function checkObjectEntries() {
  978. if (Object.entries) {
  979. return;
  980. }
  981. Object.entries = __w_pdfjs_require__(93);
  982. })();
  983. }
  984. /***/ }),
  985. /* 3 */
  986. /***/ ((__unused_webpack_module, exports) => {
  987. "use strict";
  988. Object.defineProperty(exports, "__esModule", ({
  989. value: true
  990. }));
  991. exports.isNodeJS = void 0;
  992. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  993. var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
  994. exports.isNodeJS = isNodeJS;
  995. /***/ }),
  996. /* 4 */
  997. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  998. __w_pdfjs_require__(5);
  999. module.exports = __w_pdfjs_require__(7);
  1000. /***/ }),
  1001. /* 5 */
  1002. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1003. var $ = __w_pdfjs_require__(6);
  1004. var global = __w_pdfjs_require__(7);
  1005. $({ global: true }, { globalThis: global });
  1006. /***/ }),
  1007. /* 6 */
  1008. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1009. var global = __w_pdfjs_require__(7);
  1010. var getOwnPropertyDescriptor = __w_pdfjs_require__(8).f;
  1011. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1012. var redefine = __w_pdfjs_require__(25);
  1013. var setGlobal = __w_pdfjs_require__(26);
  1014. var copyConstructorProperties = __w_pdfjs_require__(36);
  1015. var isForced = __w_pdfjs_require__(48);
  1016. module.exports = function (options, source) {
  1017. var TARGET = options.target;
  1018. var GLOBAL = options.global;
  1019. var STATIC = options.stat;
  1020. var FORCED, target, key, targetProperty, sourceProperty, descriptor;
  1021. if (GLOBAL) {
  1022. target = global;
  1023. } else if (STATIC) {
  1024. target = global[TARGET] || setGlobal(TARGET, {});
  1025. } else {
  1026. target = (global[TARGET] || {}).prototype;
  1027. }
  1028. if (target)
  1029. for (key in source) {
  1030. sourceProperty = source[key];
  1031. if (options.noTargetGet) {
  1032. descriptor = getOwnPropertyDescriptor(target, key);
  1033. targetProperty = descriptor && descriptor.value;
  1034. } else
  1035. targetProperty = target[key];
  1036. FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
  1037. if (!FORCED && targetProperty !== undefined) {
  1038. if (typeof sourceProperty === typeof targetProperty)
  1039. continue;
  1040. copyConstructorProperties(sourceProperty, targetProperty);
  1041. }
  1042. if (options.sham || targetProperty && targetProperty.sham) {
  1043. createNonEnumerableProperty(sourceProperty, 'sham', true);
  1044. }
  1045. redefine(target, key, sourceProperty, options);
  1046. }
  1047. };
  1048. /***/ }),
  1049. /* 7 */
  1050. /***/ ((module) => {
  1051. var check = function (it) {
  1052. return it && it.Math == Math && it;
  1053. };
  1054. module.exports = check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || function () {
  1055. return this;
  1056. }() || Function('return this')();
  1057. /***/ }),
  1058. /* 8 */
  1059. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  1060. var DESCRIPTORS = __w_pdfjs_require__(9);
  1061. var propertyIsEnumerableModule = __w_pdfjs_require__(11);
  1062. var createPropertyDescriptor = __w_pdfjs_require__(12);
  1063. var toIndexedObject = __w_pdfjs_require__(13);
  1064. var toPrimitive = __w_pdfjs_require__(17);
  1065. var has = __w_pdfjs_require__(19);
  1066. var IE8_DOM_DEFINE = __w_pdfjs_require__(20);
  1067. var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
  1068. exports.f = DESCRIPTORS ? $getOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  1069. O = toIndexedObject(O);
  1070. P = toPrimitive(P, true);
  1071. if (IE8_DOM_DEFINE)
  1072. try {
  1073. return $getOwnPropertyDescriptor(O, P);
  1074. } catch (error) {
  1075. }
  1076. if (has(O, P))
  1077. return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
  1078. };
  1079. /***/ }),
  1080. /* 9 */
  1081. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1082. var fails = __w_pdfjs_require__(10);
  1083. module.exports = !fails(function () {
  1084. return Object.defineProperty({}, 1, {
  1085. get: function () {
  1086. return 7;
  1087. }
  1088. })[1] != 7;
  1089. });
  1090. /***/ }),
  1091. /* 10 */
  1092. /***/ ((module) => {
  1093. module.exports = function (exec) {
  1094. try {
  1095. return !!exec();
  1096. } catch (error) {
  1097. return true;
  1098. }
  1099. };
  1100. /***/ }),
  1101. /* 11 */
  1102. /***/ ((__unused_webpack_module, exports) => {
  1103. "use strict";
  1104. var $propertyIsEnumerable = {}.propertyIsEnumerable;
  1105. var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
  1106. var NASHORN_BUG = getOwnPropertyDescriptor && !$propertyIsEnumerable.call({ 1: 2 }, 1);
  1107. exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
  1108. var descriptor = getOwnPropertyDescriptor(this, V);
  1109. return !!descriptor && descriptor.enumerable;
  1110. } : $propertyIsEnumerable;
  1111. /***/ }),
  1112. /* 12 */
  1113. /***/ ((module) => {
  1114. module.exports = function (bitmap, value) {
  1115. return {
  1116. enumerable: !(bitmap & 1),
  1117. configurable: !(bitmap & 2),
  1118. writable: !(bitmap & 4),
  1119. value: value
  1120. };
  1121. };
  1122. /***/ }),
  1123. /* 13 */
  1124. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1125. var IndexedObject = __w_pdfjs_require__(14);
  1126. var requireObjectCoercible = __w_pdfjs_require__(16);
  1127. module.exports = function (it) {
  1128. return IndexedObject(requireObjectCoercible(it));
  1129. };
  1130. /***/ }),
  1131. /* 14 */
  1132. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1133. var fails = __w_pdfjs_require__(10);
  1134. var classof = __w_pdfjs_require__(15);
  1135. var split = ''.split;
  1136. module.exports = fails(function () {
  1137. return !Object('z').propertyIsEnumerable(0);
  1138. }) ? function (it) {
  1139. return classof(it) == 'String' ? split.call(it, '') : Object(it);
  1140. } : Object;
  1141. /***/ }),
  1142. /* 15 */
  1143. /***/ ((module) => {
  1144. var toString = {}.toString;
  1145. module.exports = function (it) {
  1146. return toString.call(it).slice(8, -1);
  1147. };
  1148. /***/ }),
  1149. /* 16 */
  1150. /***/ ((module) => {
  1151. module.exports = function (it) {
  1152. if (it == undefined)
  1153. throw TypeError("Can't call method on " + it);
  1154. return it;
  1155. };
  1156. /***/ }),
  1157. /* 17 */
  1158. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1159. var isObject = __w_pdfjs_require__(18);
  1160. module.exports = function (input, PREFERRED_STRING) {
  1161. if (!isObject(input))
  1162. return input;
  1163. var fn, val;
  1164. if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
  1165. return val;
  1166. if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input)))
  1167. return val;
  1168. if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
  1169. return val;
  1170. throw TypeError("Can't convert object to primitive value");
  1171. };
  1172. /***/ }),
  1173. /* 18 */
  1174. /***/ ((module) => {
  1175. module.exports = function (it) {
  1176. return typeof it === 'object' ? it !== null : typeof it === 'function';
  1177. };
  1178. /***/ }),
  1179. /* 19 */
  1180. /***/ ((module) => {
  1181. var hasOwnProperty = {}.hasOwnProperty;
  1182. module.exports = function (it, key) {
  1183. return hasOwnProperty.call(it, key);
  1184. };
  1185. /***/ }),
  1186. /* 20 */
  1187. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1188. var DESCRIPTORS = __w_pdfjs_require__(9);
  1189. var fails = __w_pdfjs_require__(10);
  1190. var createElement = __w_pdfjs_require__(21);
  1191. module.exports = !DESCRIPTORS && !fails(function () {
  1192. return Object.defineProperty(createElement('div'), 'a', {
  1193. get: function () {
  1194. return 7;
  1195. }
  1196. }).a != 7;
  1197. });
  1198. /***/ }),
  1199. /* 21 */
  1200. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1201. var global = __w_pdfjs_require__(7);
  1202. var isObject = __w_pdfjs_require__(18);
  1203. var document = global.document;
  1204. var EXISTS = isObject(document) && isObject(document.createElement);
  1205. module.exports = function (it) {
  1206. return EXISTS ? document.createElement(it) : {};
  1207. };
  1208. /***/ }),
  1209. /* 22 */
  1210. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1211. var DESCRIPTORS = __w_pdfjs_require__(9);
  1212. var definePropertyModule = __w_pdfjs_require__(23);
  1213. var createPropertyDescriptor = __w_pdfjs_require__(12);
  1214. module.exports = DESCRIPTORS ? function (object, key, value) {
  1215. return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
  1216. } : function (object, key, value) {
  1217. object[key] = value;
  1218. return object;
  1219. };
  1220. /***/ }),
  1221. /* 23 */
  1222. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  1223. var DESCRIPTORS = __w_pdfjs_require__(9);
  1224. var IE8_DOM_DEFINE = __w_pdfjs_require__(20);
  1225. var anObject = __w_pdfjs_require__(24);
  1226. var toPrimitive = __w_pdfjs_require__(17);
  1227. var $defineProperty = Object.defineProperty;
  1228. exports.f = DESCRIPTORS ? $defineProperty : function defineProperty(O, P, Attributes) {
  1229. anObject(O);
  1230. P = toPrimitive(P, true);
  1231. anObject(Attributes);
  1232. if (IE8_DOM_DEFINE)
  1233. try {
  1234. return $defineProperty(O, P, Attributes);
  1235. } catch (error) {
  1236. }
  1237. if ('get' in Attributes || 'set' in Attributes)
  1238. throw TypeError('Accessors not supported');
  1239. if ('value' in Attributes)
  1240. O[P] = Attributes.value;
  1241. return O;
  1242. };
  1243. /***/ }),
  1244. /* 24 */
  1245. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1246. var isObject = __w_pdfjs_require__(18);
  1247. module.exports = function (it) {
  1248. if (!isObject(it)) {
  1249. throw TypeError(String(it) + ' is not an object');
  1250. }
  1251. return it;
  1252. };
  1253. /***/ }),
  1254. /* 25 */
  1255. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1256. var global = __w_pdfjs_require__(7);
  1257. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1258. var has = __w_pdfjs_require__(19);
  1259. var setGlobal = __w_pdfjs_require__(26);
  1260. var inspectSource = __w_pdfjs_require__(27);
  1261. var InternalStateModule = __w_pdfjs_require__(29);
  1262. var getInternalState = InternalStateModule.get;
  1263. var enforceInternalState = InternalStateModule.enforce;
  1264. var TEMPLATE = String(String).split('String');
  1265. (module.exports = function (O, key, value, options) {
  1266. var unsafe = options ? !!options.unsafe : false;
  1267. var simple = options ? !!options.enumerable : false;
  1268. var noTargetGet = options ? !!options.noTargetGet : false;
  1269. var state;
  1270. if (typeof value == 'function') {
  1271. if (typeof key == 'string' && !has(value, 'name')) {
  1272. createNonEnumerableProperty(value, 'name', key);
  1273. }
  1274. state = enforceInternalState(value);
  1275. if (!state.source) {
  1276. state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
  1277. }
  1278. }
  1279. if (O === global) {
  1280. if (simple)
  1281. O[key] = value;
  1282. else
  1283. setGlobal(key, value);
  1284. return;
  1285. } else if (!unsafe) {
  1286. delete O[key];
  1287. } else if (!noTargetGet && O[key]) {
  1288. simple = true;
  1289. }
  1290. if (simple)
  1291. O[key] = value;
  1292. else
  1293. createNonEnumerableProperty(O, key, value);
  1294. })(Function.prototype, 'toString', function toString() {
  1295. return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
  1296. });
  1297. /***/ }),
  1298. /* 26 */
  1299. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1300. var global = __w_pdfjs_require__(7);
  1301. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1302. module.exports = function (key, value) {
  1303. try {
  1304. createNonEnumerableProperty(global, key, value);
  1305. } catch (error) {
  1306. global[key] = value;
  1307. }
  1308. return value;
  1309. };
  1310. /***/ }),
  1311. /* 27 */
  1312. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1313. var store = __w_pdfjs_require__(28);
  1314. var functionToString = Function.toString;
  1315. if (typeof store.inspectSource != 'function') {
  1316. store.inspectSource = function (it) {
  1317. return functionToString.call(it);
  1318. };
  1319. }
  1320. module.exports = store.inspectSource;
  1321. /***/ }),
  1322. /* 28 */
  1323. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1324. var global = __w_pdfjs_require__(7);
  1325. var setGlobal = __w_pdfjs_require__(26);
  1326. var SHARED = '__core-js_shared__';
  1327. var store = global[SHARED] || setGlobal(SHARED, {});
  1328. module.exports = store;
  1329. /***/ }),
  1330. /* 29 */
  1331. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1332. var NATIVE_WEAK_MAP = __w_pdfjs_require__(30);
  1333. var global = __w_pdfjs_require__(7);
  1334. var isObject = __w_pdfjs_require__(18);
  1335. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1336. var objectHas = __w_pdfjs_require__(19);
  1337. var shared = __w_pdfjs_require__(28);
  1338. var sharedKey = __w_pdfjs_require__(31);
  1339. var hiddenKeys = __w_pdfjs_require__(35);
  1340. var WeakMap = global.WeakMap;
  1341. var set, get, has;
  1342. var enforce = function (it) {
  1343. return has(it) ? get(it) : set(it, {});
  1344. };
  1345. var getterFor = function (TYPE) {
  1346. return function (it) {
  1347. var state;
  1348. if (!isObject(it) || (state = get(it)).type !== TYPE) {
  1349. throw TypeError('Incompatible receiver, ' + TYPE + ' required');
  1350. }
  1351. return state;
  1352. };
  1353. };
  1354. if (NATIVE_WEAK_MAP) {
  1355. var store = shared.state || (shared.state = new WeakMap());
  1356. var wmget = store.get;
  1357. var wmhas = store.has;
  1358. var wmset = store.set;
  1359. set = function (it, metadata) {
  1360. metadata.facade = it;
  1361. wmset.call(store, it, metadata);
  1362. return metadata;
  1363. };
  1364. get = function (it) {
  1365. return wmget.call(store, it) || {};
  1366. };
  1367. has = function (it) {
  1368. return wmhas.call(store, it);
  1369. };
  1370. } else {
  1371. var STATE = sharedKey('state');
  1372. hiddenKeys[STATE] = true;
  1373. set = function (it, metadata) {
  1374. metadata.facade = it;
  1375. createNonEnumerableProperty(it, STATE, metadata);
  1376. return metadata;
  1377. };
  1378. get = function (it) {
  1379. return objectHas(it, STATE) ? it[STATE] : {};
  1380. };
  1381. has = function (it) {
  1382. return objectHas(it, STATE);
  1383. };
  1384. }
  1385. module.exports = {
  1386. set: set,
  1387. get: get,
  1388. has: has,
  1389. enforce: enforce,
  1390. getterFor: getterFor
  1391. };
  1392. /***/ }),
  1393. /* 30 */
  1394. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1395. var global = __w_pdfjs_require__(7);
  1396. var inspectSource = __w_pdfjs_require__(27);
  1397. var WeakMap = global.WeakMap;
  1398. module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
  1399. /***/ }),
  1400. /* 31 */
  1401. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1402. var shared = __w_pdfjs_require__(32);
  1403. var uid = __w_pdfjs_require__(34);
  1404. var keys = shared('keys');
  1405. module.exports = function (key) {
  1406. return keys[key] || (keys[key] = uid(key));
  1407. };
  1408. /***/ }),
  1409. /* 32 */
  1410. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1411. var IS_PURE = __w_pdfjs_require__(33);
  1412. var store = __w_pdfjs_require__(28);
  1413. (module.exports = function (key, value) {
  1414. return store[key] || (store[key] = value !== undefined ? value : {});
  1415. })('versions', []).push({
  1416. version: '3.10.0',
  1417. mode: IS_PURE ? 'pure' : 'global',
  1418. copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
  1419. });
  1420. /***/ }),
  1421. /* 33 */
  1422. /***/ ((module) => {
  1423. module.exports = false;
  1424. /***/ }),
  1425. /* 34 */
  1426. /***/ ((module) => {
  1427. var id = 0;
  1428. var postfix = Math.random();
  1429. module.exports = function (key) {
  1430. return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
  1431. };
  1432. /***/ }),
  1433. /* 35 */
  1434. /***/ ((module) => {
  1435. module.exports = {};
  1436. /***/ }),
  1437. /* 36 */
  1438. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1439. var has = __w_pdfjs_require__(19);
  1440. var ownKeys = __w_pdfjs_require__(37);
  1441. var getOwnPropertyDescriptorModule = __w_pdfjs_require__(8);
  1442. var definePropertyModule = __w_pdfjs_require__(23);
  1443. module.exports = function (target, source) {
  1444. var keys = ownKeys(source);
  1445. var defineProperty = definePropertyModule.f;
  1446. var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
  1447. for (var i = 0; i < keys.length; i++) {
  1448. var key = keys[i];
  1449. if (!has(target, key))
  1450. defineProperty(target, key, getOwnPropertyDescriptor(source, key));
  1451. }
  1452. };
  1453. /***/ }),
  1454. /* 37 */
  1455. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1456. var getBuiltIn = __w_pdfjs_require__(38);
  1457. var getOwnPropertyNamesModule = __w_pdfjs_require__(40);
  1458. var getOwnPropertySymbolsModule = __w_pdfjs_require__(47);
  1459. var anObject = __w_pdfjs_require__(24);
  1460. module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
  1461. var keys = getOwnPropertyNamesModule.f(anObject(it));
  1462. var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
  1463. return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
  1464. };
  1465. /***/ }),
  1466. /* 38 */
  1467. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1468. var path = __w_pdfjs_require__(39);
  1469. var global = __w_pdfjs_require__(7);
  1470. var aFunction = function (variable) {
  1471. return typeof variable == 'function' ? variable : undefined;
  1472. };
  1473. module.exports = function (namespace, method) {
  1474. return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global[namespace]) : path[namespace] && path[namespace][method] || global[namespace] && global[namespace][method];
  1475. };
  1476. /***/ }),
  1477. /* 39 */
  1478. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1479. var global = __w_pdfjs_require__(7);
  1480. module.exports = global;
  1481. /***/ }),
  1482. /* 40 */
  1483. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  1484. var internalObjectKeys = __w_pdfjs_require__(41);
  1485. var enumBugKeys = __w_pdfjs_require__(46);
  1486. var hiddenKeys = enumBugKeys.concat('length', 'prototype');
  1487. exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  1488. return internalObjectKeys(O, hiddenKeys);
  1489. };
  1490. /***/ }),
  1491. /* 41 */
  1492. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1493. var has = __w_pdfjs_require__(19);
  1494. var toIndexedObject = __w_pdfjs_require__(13);
  1495. var indexOf = __w_pdfjs_require__(42).indexOf;
  1496. var hiddenKeys = __w_pdfjs_require__(35);
  1497. module.exports = function (object, names) {
  1498. var O = toIndexedObject(object);
  1499. var i = 0;
  1500. var result = [];
  1501. var key;
  1502. for (key in O)
  1503. !has(hiddenKeys, key) && has(O, key) && result.push(key);
  1504. while (names.length > i)
  1505. if (has(O, key = names[i++])) {
  1506. ~indexOf(result, key) || result.push(key);
  1507. }
  1508. return result;
  1509. };
  1510. /***/ }),
  1511. /* 42 */
  1512. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1513. var toIndexedObject = __w_pdfjs_require__(13);
  1514. var toLength = __w_pdfjs_require__(43);
  1515. var toAbsoluteIndex = __w_pdfjs_require__(45);
  1516. var createMethod = function (IS_INCLUDES) {
  1517. return function ($this, el, fromIndex) {
  1518. var O = toIndexedObject($this);
  1519. var length = toLength(O.length);
  1520. var index = toAbsoluteIndex(fromIndex, length);
  1521. var value;
  1522. if (IS_INCLUDES && el != el)
  1523. while (length > index) {
  1524. value = O[index++];
  1525. if (value != value)
  1526. return true;
  1527. }
  1528. else
  1529. for (; length > index; index++) {
  1530. if ((IS_INCLUDES || index in O) && O[index] === el)
  1531. return IS_INCLUDES || index || 0;
  1532. }
  1533. return !IS_INCLUDES && -1;
  1534. };
  1535. };
  1536. module.exports = {
  1537. includes: createMethod(true),
  1538. indexOf: createMethod(false)
  1539. };
  1540. /***/ }),
  1541. /* 43 */
  1542. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1543. var toInteger = __w_pdfjs_require__(44);
  1544. var min = Math.min;
  1545. module.exports = function (argument) {
  1546. return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0;
  1547. };
  1548. /***/ }),
  1549. /* 44 */
  1550. /***/ ((module) => {
  1551. var ceil = Math.ceil;
  1552. var floor = Math.floor;
  1553. module.exports = function (argument) {
  1554. return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
  1555. };
  1556. /***/ }),
  1557. /* 45 */
  1558. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1559. var toInteger = __w_pdfjs_require__(44);
  1560. var max = Math.max;
  1561. var min = Math.min;
  1562. module.exports = function (index, length) {
  1563. var integer = toInteger(index);
  1564. return integer < 0 ? max(integer + length, 0) : min(integer, length);
  1565. };
  1566. /***/ }),
  1567. /* 46 */
  1568. /***/ ((module) => {
  1569. module.exports = [
  1570. 'constructor',
  1571. 'hasOwnProperty',
  1572. 'isPrototypeOf',
  1573. 'propertyIsEnumerable',
  1574. 'toLocaleString',
  1575. 'toString',
  1576. 'valueOf'
  1577. ];
  1578. /***/ }),
  1579. /* 47 */
  1580. /***/ ((__unused_webpack_module, exports) => {
  1581. exports.f = Object.getOwnPropertySymbols;
  1582. /***/ }),
  1583. /* 48 */
  1584. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1585. var fails = __w_pdfjs_require__(10);
  1586. var replacement = /#|\.prototype\./;
  1587. var isForced = function (feature, detection) {
  1588. var value = data[normalize(feature)];
  1589. return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
  1590. };
  1591. var normalize = isForced.normalize = function (string) {
  1592. return String(string).replace(replacement, '.').toLowerCase();
  1593. };
  1594. var data = isForced.data = {};
  1595. var NATIVE = isForced.NATIVE = 'N';
  1596. var POLYFILL = isForced.POLYFILL = 'P';
  1597. module.exports = isForced;
  1598. /***/ }),
  1599. /* 49 */
  1600. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1601. __w_pdfjs_require__(50);
  1602. __w_pdfjs_require__(72);
  1603. var path = __w_pdfjs_require__(39);
  1604. module.exports = path.Object.fromEntries;
  1605. /***/ }),
  1606. /* 50 */
  1607. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1608. "use strict";
  1609. var toIndexedObject = __w_pdfjs_require__(13);
  1610. var addToUnscopables = __w_pdfjs_require__(51);
  1611. var Iterators = __w_pdfjs_require__(62);
  1612. var InternalStateModule = __w_pdfjs_require__(29);
  1613. var defineIterator = __w_pdfjs_require__(63);
  1614. var ARRAY_ITERATOR = 'Array Iterator';
  1615. var setInternalState = InternalStateModule.set;
  1616. var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
  1617. module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
  1618. setInternalState(this, {
  1619. type: ARRAY_ITERATOR,
  1620. target: toIndexedObject(iterated),
  1621. index: 0,
  1622. kind: kind
  1623. });
  1624. }, function () {
  1625. var state = getInternalState(this);
  1626. var target = state.target;
  1627. var kind = state.kind;
  1628. var index = state.index++;
  1629. if (!target || index >= target.length) {
  1630. state.target = undefined;
  1631. return {
  1632. value: undefined,
  1633. done: true
  1634. };
  1635. }
  1636. if (kind == 'keys')
  1637. return {
  1638. value: index,
  1639. done: false
  1640. };
  1641. if (kind == 'values')
  1642. return {
  1643. value: target[index],
  1644. done: false
  1645. };
  1646. return {
  1647. value: [
  1648. index,
  1649. target[index]
  1650. ],
  1651. done: false
  1652. };
  1653. }, 'values');
  1654. Iterators.Arguments = Iterators.Array;
  1655. addToUnscopables('keys');
  1656. addToUnscopables('values');
  1657. addToUnscopables('entries');
  1658. /***/ }),
  1659. /* 51 */
  1660. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1661. var wellKnownSymbol = __w_pdfjs_require__(52);
  1662. var create = __w_pdfjs_require__(58);
  1663. var definePropertyModule = __w_pdfjs_require__(23);
  1664. var UNSCOPABLES = wellKnownSymbol('unscopables');
  1665. var ArrayPrototype = Array.prototype;
  1666. if (ArrayPrototype[UNSCOPABLES] == undefined) {
  1667. definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
  1668. configurable: true,
  1669. value: create(null)
  1670. });
  1671. }
  1672. module.exports = function (key) {
  1673. ArrayPrototype[UNSCOPABLES][key] = true;
  1674. };
  1675. /***/ }),
  1676. /* 52 */
  1677. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1678. var global = __w_pdfjs_require__(7);
  1679. var shared = __w_pdfjs_require__(32);
  1680. var has = __w_pdfjs_require__(19);
  1681. var uid = __w_pdfjs_require__(34);
  1682. var NATIVE_SYMBOL = __w_pdfjs_require__(53);
  1683. var USE_SYMBOL_AS_UID = __w_pdfjs_require__(57);
  1684. var WellKnownSymbolsStore = shared('wks');
  1685. var Symbol = global.Symbol;
  1686. var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
  1687. module.exports = function (name) {
  1688. if (!has(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
  1689. if (NATIVE_SYMBOL && has(Symbol, name)) {
  1690. WellKnownSymbolsStore[name] = Symbol[name];
  1691. } else {
  1692. WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
  1693. }
  1694. }
  1695. return WellKnownSymbolsStore[name];
  1696. };
  1697. /***/ }),
  1698. /* 53 */
  1699. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1700. var IS_NODE = __w_pdfjs_require__(54);
  1701. var V8_VERSION = __w_pdfjs_require__(55);
  1702. var fails = __w_pdfjs_require__(10);
  1703. module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
  1704. return !Symbol.sham && (IS_NODE ? V8_VERSION === 38 : V8_VERSION > 37 && V8_VERSION < 41);
  1705. });
  1706. /***/ }),
  1707. /* 54 */
  1708. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1709. var classof = __w_pdfjs_require__(15);
  1710. var global = __w_pdfjs_require__(7);
  1711. module.exports = classof(global.process) == 'process';
  1712. /***/ }),
  1713. /* 55 */
  1714. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1715. var global = __w_pdfjs_require__(7);
  1716. var userAgent = __w_pdfjs_require__(56);
  1717. var process = global.process;
  1718. var versions = process && process.versions;
  1719. var v8 = versions && versions.v8;
  1720. var match, version;
  1721. if (v8) {
  1722. match = v8.split('.');
  1723. version = match[0] + match[1];
  1724. } else if (userAgent) {
  1725. match = userAgent.match(/Edge\/(\d+)/);
  1726. if (!match || match[1] >= 74) {
  1727. match = userAgent.match(/Chrome\/(\d+)/);
  1728. if (match)
  1729. version = match[1];
  1730. }
  1731. }
  1732. module.exports = version && +version;
  1733. /***/ }),
  1734. /* 56 */
  1735. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1736. var getBuiltIn = __w_pdfjs_require__(38);
  1737. module.exports = getBuiltIn('navigator', 'userAgent') || '';
  1738. /***/ }),
  1739. /* 57 */
  1740. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1741. var NATIVE_SYMBOL = __w_pdfjs_require__(53);
  1742. module.exports = NATIVE_SYMBOL && !Symbol.sham && typeof Symbol.iterator == 'symbol';
  1743. /***/ }),
  1744. /* 58 */
  1745. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1746. var anObject = __w_pdfjs_require__(24);
  1747. var defineProperties = __w_pdfjs_require__(59);
  1748. var enumBugKeys = __w_pdfjs_require__(46);
  1749. var hiddenKeys = __w_pdfjs_require__(35);
  1750. var html = __w_pdfjs_require__(61);
  1751. var documentCreateElement = __w_pdfjs_require__(21);
  1752. var sharedKey = __w_pdfjs_require__(31);
  1753. var GT = '>';
  1754. var LT = '<';
  1755. var PROTOTYPE = 'prototype';
  1756. var SCRIPT = 'script';
  1757. var IE_PROTO = sharedKey('IE_PROTO');
  1758. var EmptyConstructor = function () {
  1759. };
  1760. var scriptTag = function (content) {
  1761. return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
  1762. };
  1763. var NullProtoObjectViaActiveX = function (activeXDocument) {
  1764. activeXDocument.write(scriptTag(''));
  1765. activeXDocument.close();
  1766. var temp = activeXDocument.parentWindow.Object;
  1767. activeXDocument = null;
  1768. return temp;
  1769. };
  1770. var NullProtoObjectViaIFrame = function () {
  1771. var iframe = documentCreateElement('iframe');
  1772. var JS = 'java' + SCRIPT + ':';
  1773. var iframeDocument;
  1774. iframe.style.display = 'none';
  1775. html.appendChild(iframe);
  1776. iframe.src = String(JS);
  1777. iframeDocument = iframe.contentWindow.document;
  1778. iframeDocument.open();
  1779. iframeDocument.write(scriptTag('document.F=Object'));
  1780. iframeDocument.close();
  1781. return iframeDocument.F;
  1782. };
  1783. var activeXDocument;
  1784. var NullProtoObject = function () {
  1785. try {
  1786. activeXDocument = document.domain && new ActiveXObject('htmlfile');
  1787. } catch (error) {
  1788. }
  1789. NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
  1790. var length = enumBugKeys.length;
  1791. while (length--)
  1792. delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
  1793. return NullProtoObject();
  1794. };
  1795. hiddenKeys[IE_PROTO] = true;
  1796. module.exports = Object.create || function create(O, Properties) {
  1797. var result;
  1798. if (O !== null) {
  1799. EmptyConstructor[PROTOTYPE] = anObject(O);
  1800. result = new EmptyConstructor();
  1801. EmptyConstructor[PROTOTYPE] = null;
  1802. result[IE_PROTO] = O;
  1803. } else
  1804. result = NullProtoObject();
  1805. return Properties === undefined ? result : defineProperties(result, Properties);
  1806. };
  1807. /***/ }),
  1808. /* 59 */
  1809. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1810. var DESCRIPTORS = __w_pdfjs_require__(9);
  1811. var definePropertyModule = __w_pdfjs_require__(23);
  1812. var anObject = __w_pdfjs_require__(24);
  1813. var objectKeys = __w_pdfjs_require__(60);
  1814. module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
  1815. anObject(O);
  1816. var keys = objectKeys(Properties);
  1817. var length = keys.length;
  1818. var index = 0;
  1819. var key;
  1820. while (length > index)
  1821. definePropertyModule.f(O, key = keys[index++], Properties[key]);
  1822. return O;
  1823. };
  1824. /***/ }),
  1825. /* 60 */
  1826. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1827. var internalObjectKeys = __w_pdfjs_require__(41);
  1828. var enumBugKeys = __w_pdfjs_require__(46);
  1829. module.exports = Object.keys || function keys(O) {
  1830. return internalObjectKeys(O, enumBugKeys);
  1831. };
  1832. /***/ }),
  1833. /* 61 */
  1834. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1835. var getBuiltIn = __w_pdfjs_require__(38);
  1836. module.exports = getBuiltIn('document', 'documentElement');
  1837. /***/ }),
  1838. /* 62 */
  1839. /***/ ((module) => {
  1840. module.exports = {};
  1841. /***/ }),
  1842. /* 63 */
  1843. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1844. "use strict";
  1845. var $ = __w_pdfjs_require__(6);
  1846. var createIteratorConstructor = __w_pdfjs_require__(64);
  1847. var getPrototypeOf = __w_pdfjs_require__(66);
  1848. var setPrototypeOf = __w_pdfjs_require__(70);
  1849. var setToStringTag = __w_pdfjs_require__(69);
  1850. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1851. var redefine = __w_pdfjs_require__(25);
  1852. var wellKnownSymbol = __w_pdfjs_require__(52);
  1853. var IS_PURE = __w_pdfjs_require__(33);
  1854. var Iterators = __w_pdfjs_require__(62);
  1855. var IteratorsCore = __w_pdfjs_require__(65);
  1856. var IteratorPrototype = IteratorsCore.IteratorPrototype;
  1857. var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
  1858. var ITERATOR = wellKnownSymbol('iterator');
  1859. var KEYS = 'keys';
  1860. var VALUES = 'values';
  1861. var ENTRIES = 'entries';
  1862. var returnThis = function () {
  1863. return this;
  1864. };
  1865. module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
  1866. createIteratorConstructor(IteratorConstructor, NAME, next);
  1867. var getIterationMethod = function (KIND) {
  1868. if (KIND === DEFAULT && defaultIterator)
  1869. return defaultIterator;
  1870. if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype)
  1871. return IterablePrototype[KIND];
  1872. switch (KIND) {
  1873. case KEYS:
  1874. return function keys() {
  1875. return new IteratorConstructor(this, KIND);
  1876. };
  1877. case VALUES:
  1878. return function values() {
  1879. return new IteratorConstructor(this, KIND);
  1880. };
  1881. case ENTRIES:
  1882. return function entries() {
  1883. return new IteratorConstructor(this, KIND);
  1884. };
  1885. }
  1886. return function () {
  1887. return new IteratorConstructor(this);
  1888. };
  1889. };
  1890. var TO_STRING_TAG = NAME + ' Iterator';
  1891. var INCORRECT_VALUES_NAME = false;
  1892. var IterablePrototype = Iterable.prototype;
  1893. var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
  1894. var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
  1895. var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
  1896. var CurrentIteratorPrototype, methods, KEY;
  1897. if (anyNativeIterator) {
  1898. CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
  1899. if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
  1900. if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
  1901. if (setPrototypeOf) {
  1902. setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
  1903. } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
  1904. createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
  1905. }
  1906. }
  1907. setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
  1908. if (IS_PURE)
  1909. Iterators[TO_STRING_TAG] = returnThis;
  1910. }
  1911. }
  1912. if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
  1913. INCORRECT_VALUES_NAME = true;
  1914. defaultIterator = function values() {
  1915. return nativeIterator.call(this);
  1916. };
  1917. }
  1918. if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
  1919. createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
  1920. }
  1921. Iterators[NAME] = defaultIterator;
  1922. if (DEFAULT) {
  1923. methods = {
  1924. values: getIterationMethod(VALUES),
  1925. keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
  1926. entries: getIterationMethod(ENTRIES)
  1927. };
  1928. if (FORCED)
  1929. for (KEY in methods) {
  1930. if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
  1931. redefine(IterablePrototype, KEY, methods[KEY]);
  1932. }
  1933. }
  1934. else
  1935. $({
  1936. target: NAME,
  1937. proto: true,
  1938. forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
  1939. }, methods);
  1940. }
  1941. return methods;
  1942. };
  1943. /***/ }),
  1944. /* 64 */
  1945. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1946. "use strict";
  1947. var IteratorPrototype = __w_pdfjs_require__(65).IteratorPrototype;
  1948. var create = __w_pdfjs_require__(58);
  1949. var createPropertyDescriptor = __w_pdfjs_require__(12);
  1950. var setToStringTag = __w_pdfjs_require__(69);
  1951. var Iterators = __w_pdfjs_require__(62);
  1952. var returnThis = function () {
  1953. return this;
  1954. };
  1955. module.exports = function (IteratorConstructor, NAME, next) {
  1956. var TO_STRING_TAG = NAME + ' Iterator';
  1957. IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
  1958. setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
  1959. Iterators[TO_STRING_TAG] = returnThis;
  1960. return IteratorConstructor;
  1961. };
  1962. /***/ }),
  1963. /* 65 */
  1964. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  1965. "use strict";
  1966. var fails = __w_pdfjs_require__(10);
  1967. var getPrototypeOf = __w_pdfjs_require__(66);
  1968. var createNonEnumerableProperty = __w_pdfjs_require__(22);
  1969. var has = __w_pdfjs_require__(19);
  1970. var wellKnownSymbol = __w_pdfjs_require__(52);
  1971. var IS_PURE = __w_pdfjs_require__(33);
  1972. var ITERATOR = wellKnownSymbol('iterator');
  1973. var BUGGY_SAFARI_ITERATORS = false;
  1974. var returnThis = function () {
  1975. return this;
  1976. };
  1977. var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
  1978. if ([].keys) {
  1979. arrayIterator = [].keys();
  1980. if (!('next' in arrayIterator))
  1981. BUGGY_SAFARI_ITERATORS = true;
  1982. else {
  1983. PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
  1984. if (PrototypeOfArrayIteratorPrototype !== Object.prototype)
  1985. IteratorPrototype = PrototypeOfArrayIteratorPrototype;
  1986. }
  1987. }
  1988. var NEW_ITERATOR_PROTOTYPE = IteratorPrototype == undefined || fails(function () {
  1989. var test = {};
  1990. return IteratorPrototype[ITERATOR].call(test) !== test;
  1991. });
  1992. if (NEW_ITERATOR_PROTOTYPE)
  1993. IteratorPrototype = {};
  1994. if ((!IS_PURE || NEW_ITERATOR_PROTOTYPE) && !has(IteratorPrototype, ITERATOR)) {
  1995. createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
  1996. }
  1997. module.exports = {
  1998. IteratorPrototype: IteratorPrototype,
  1999. BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
  2000. };
  2001. /***/ }),
  2002. /* 66 */
  2003. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2004. var has = __w_pdfjs_require__(19);
  2005. var toObject = __w_pdfjs_require__(67);
  2006. var sharedKey = __w_pdfjs_require__(31);
  2007. var CORRECT_PROTOTYPE_GETTER = __w_pdfjs_require__(68);
  2008. var IE_PROTO = sharedKey('IE_PROTO');
  2009. var ObjectPrototype = Object.prototype;
  2010. module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
  2011. O = toObject(O);
  2012. if (has(O, IE_PROTO))
  2013. return O[IE_PROTO];
  2014. if (typeof O.constructor == 'function' && O instanceof O.constructor) {
  2015. return O.constructor.prototype;
  2016. }
  2017. return O instanceof Object ? ObjectPrototype : null;
  2018. };
  2019. /***/ }),
  2020. /* 67 */
  2021. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2022. var requireObjectCoercible = __w_pdfjs_require__(16);
  2023. module.exports = function (argument) {
  2024. return Object(requireObjectCoercible(argument));
  2025. };
  2026. /***/ }),
  2027. /* 68 */
  2028. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2029. var fails = __w_pdfjs_require__(10);
  2030. module.exports = !fails(function () {
  2031. function F() {
  2032. }
  2033. F.prototype.constructor = null;
  2034. return Object.getPrototypeOf(new F()) !== F.prototype;
  2035. });
  2036. /***/ }),
  2037. /* 69 */
  2038. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2039. var defineProperty = __w_pdfjs_require__(23).f;
  2040. var has = __w_pdfjs_require__(19);
  2041. var wellKnownSymbol = __w_pdfjs_require__(52);
  2042. var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  2043. module.exports = function (it, TAG, STATIC) {
  2044. if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
  2045. defineProperty(it, TO_STRING_TAG, {
  2046. configurable: true,
  2047. value: TAG
  2048. });
  2049. }
  2050. };
  2051. /***/ }),
  2052. /* 70 */
  2053. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2054. var anObject = __w_pdfjs_require__(24);
  2055. var aPossiblePrototype = __w_pdfjs_require__(71);
  2056. module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
  2057. var CORRECT_SETTER = false;
  2058. var test = {};
  2059. var setter;
  2060. try {
  2061. setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
  2062. setter.call(test, []);
  2063. CORRECT_SETTER = test instanceof Array;
  2064. } catch (error) {
  2065. }
  2066. return function setPrototypeOf(O, proto) {
  2067. anObject(O);
  2068. aPossiblePrototype(proto);
  2069. if (CORRECT_SETTER)
  2070. setter.call(O, proto);
  2071. else
  2072. O.__proto__ = proto;
  2073. return O;
  2074. };
  2075. }() : undefined);
  2076. /***/ }),
  2077. /* 71 */
  2078. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2079. var isObject = __w_pdfjs_require__(18);
  2080. module.exports = function (it) {
  2081. if (!isObject(it) && it !== null) {
  2082. throw TypeError("Can't set " + String(it) + ' as a prototype');
  2083. }
  2084. return it;
  2085. };
  2086. /***/ }),
  2087. /* 72 */
  2088. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2089. var $ = __w_pdfjs_require__(6);
  2090. var iterate = __w_pdfjs_require__(73);
  2091. var createProperty = __w_pdfjs_require__(81);
  2092. $({
  2093. target: 'Object',
  2094. stat: true
  2095. }, {
  2096. fromEntries: function fromEntries(iterable) {
  2097. var obj = {};
  2098. iterate(iterable, function (k, v) {
  2099. createProperty(obj, k, v);
  2100. }, { AS_ENTRIES: true });
  2101. return obj;
  2102. }
  2103. });
  2104. /***/ }),
  2105. /* 73 */
  2106. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2107. var anObject = __w_pdfjs_require__(24);
  2108. var isArrayIteratorMethod = __w_pdfjs_require__(74);
  2109. var toLength = __w_pdfjs_require__(43);
  2110. var bind = __w_pdfjs_require__(75);
  2111. var getIteratorMethod = __w_pdfjs_require__(77);
  2112. var iteratorClose = __w_pdfjs_require__(80);
  2113. var Result = function (stopped, result) {
  2114. this.stopped = stopped;
  2115. this.result = result;
  2116. };
  2117. module.exports = function (iterable, unboundFunction, options) {
  2118. var that = options && options.that;
  2119. var AS_ENTRIES = !!(options && options.AS_ENTRIES);
  2120. var IS_ITERATOR = !!(options && options.IS_ITERATOR);
  2121. var INTERRUPTED = !!(options && options.INTERRUPTED);
  2122. var fn = bind(unboundFunction, that, 1 + AS_ENTRIES + INTERRUPTED);
  2123. var iterator, iterFn, index, length, result, next, step;
  2124. var stop = function (condition) {
  2125. if (iterator)
  2126. iteratorClose(iterator);
  2127. return new Result(true, condition);
  2128. };
  2129. var callFn = function (value) {
  2130. if (AS_ENTRIES) {
  2131. anObject(value);
  2132. return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
  2133. }
  2134. return INTERRUPTED ? fn(value, stop) : fn(value);
  2135. };
  2136. if (IS_ITERATOR) {
  2137. iterator = iterable;
  2138. } else {
  2139. iterFn = getIteratorMethod(iterable);
  2140. if (typeof iterFn != 'function')
  2141. throw TypeError('Target is not iterable');
  2142. if (isArrayIteratorMethod(iterFn)) {
  2143. for (index = 0, length = toLength(iterable.length); length > index; index++) {
  2144. result = callFn(iterable[index]);
  2145. if (result && result instanceof Result)
  2146. return result;
  2147. }
  2148. return new Result(false);
  2149. }
  2150. iterator = iterFn.call(iterable);
  2151. }
  2152. next = iterator.next;
  2153. while (!(step = next.call(iterator)).done) {
  2154. try {
  2155. result = callFn(step.value);
  2156. } catch (error) {
  2157. iteratorClose(iterator);
  2158. throw error;
  2159. }
  2160. if (typeof result == 'object' && result && result instanceof Result)
  2161. return result;
  2162. }
  2163. return new Result(false);
  2164. };
  2165. /***/ }),
  2166. /* 74 */
  2167. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2168. var wellKnownSymbol = __w_pdfjs_require__(52);
  2169. var Iterators = __w_pdfjs_require__(62);
  2170. var ITERATOR = wellKnownSymbol('iterator');
  2171. var ArrayPrototype = Array.prototype;
  2172. module.exports = function (it) {
  2173. return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
  2174. };
  2175. /***/ }),
  2176. /* 75 */
  2177. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2178. var aFunction = __w_pdfjs_require__(76);
  2179. module.exports = function (fn, that, length) {
  2180. aFunction(fn);
  2181. if (that === undefined)
  2182. return fn;
  2183. switch (length) {
  2184. case 0:
  2185. return function () {
  2186. return fn.call(that);
  2187. };
  2188. case 1:
  2189. return function (a) {
  2190. return fn.call(that, a);
  2191. };
  2192. case 2:
  2193. return function (a, b) {
  2194. return fn.call(that, a, b);
  2195. };
  2196. case 3:
  2197. return function (a, b, c) {
  2198. return fn.call(that, a, b, c);
  2199. };
  2200. }
  2201. return function () {
  2202. return fn.apply(that, arguments);
  2203. };
  2204. };
  2205. /***/ }),
  2206. /* 76 */
  2207. /***/ ((module) => {
  2208. module.exports = function (it) {
  2209. if (typeof it != 'function') {
  2210. throw TypeError(String(it) + ' is not a function');
  2211. }
  2212. return it;
  2213. };
  2214. /***/ }),
  2215. /* 77 */
  2216. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2217. var classof = __w_pdfjs_require__(78);
  2218. var Iterators = __w_pdfjs_require__(62);
  2219. var wellKnownSymbol = __w_pdfjs_require__(52);
  2220. var ITERATOR = wellKnownSymbol('iterator');
  2221. module.exports = function (it) {
  2222. if (it != undefined)
  2223. return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
  2224. };
  2225. /***/ }),
  2226. /* 78 */
  2227. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2228. var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(79);
  2229. var classofRaw = __w_pdfjs_require__(15);
  2230. var wellKnownSymbol = __w_pdfjs_require__(52);
  2231. var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  2232. var CORRECT_ARGUMENTS = classofRaw(function () {
  2233. return arguments;
  2234. }()) == 'Arguments';
  2235. var tryGet = function (it, key) {
  2236. try {
  2237. return it[key];
  2238. } catch (error) {
  2239. }
  2240. };
  2241. module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
  2242. var O, tag, result;
  2243. return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag : CORRECT_ARGUMENTS ? classofRaw(O) : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
  2244. };
  2245. /***/ }),
  2246. /* 79 */
  2247. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2248. var wellKnownSymbol = __w_pdfjs_require__(52);
  2249. var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  2250. var test = {};
  2251. test[TO_STRING_TAG] = 'z';
  2252. module.exports = String(test) === '[object z]';
  2253. /***/ }),
  2254. /* 80 */
  2255. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2256. var anObject = __w_pdfjs_require__(24);
  2257. module.exports = function (iterator) {
  2258. var returnMethod = iterator['return'];
  2259. if (returnMethod !== undefined) {
  2260. return anObject(returnMethod.call(iterator)).value;
  2261. }
  2262. };
  2263. /***/ }),
  2264. /* 81 */
  2265. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2266. "use strict";
  2267. var toPrimitive = __w_pdfjs_require__(17);
  2268. var definePropertyModule = __w_pdfjs_require__(23);
  2269. var createPropertyDescriptor = __w_pdfjs_require__(12);
  2270. module.exports = function (object, key, value) {
  2271. var propertyKey = toPrimitive(key);
  2272. if (propertyKey in object)
  2273. definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
  2274. else
  2275. object[propertyKey] = value;
  2276. };
  2277. /***/ }),
  2278. /* 82 */
  2279. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2280. __w_pdfjs_require__(83);
  2281. var entryUnbind = __w_pdfjs_require__(87);
  2282. module.exports = entryUnbind('String', 'padStart');
  2283. /***/ }),
  2284. /* 83 */
  2285. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2286. "use strict";
  2287. var $ = __w_pdfjs_require__(6);
  2288. var $padStart = __w_pdfjs_require__(84).start;
  2289. var WEBKIT_BUG = __w_pdfjs_require__(86);
  2290. $({
  2291. target: 'String',
  2292. proto: true,
  2293. forced: WEBKIT_BUG
  2294. }, {
  2295. padStart: function padStart(maxLength) {
  2296. return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
  2297. }
  2298. });
  2299. /***/ }),
  2300. /* 84 */
  2301. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2302. var toLength = __w_pdfjs_require__(43);
  2303. var repeat = __w_pdfjs_require__(85);
  2304. var requireObjectCoercible = __w_pdfjs_require__(16);
  2305. var ceil = Math.ceil;
  2306. var createMethod = function (IS_END) {
  2307. return function ($this, maxLength, fillString) {
  2308. var S = String(requireObjectCoercible($this));
  2309. var stringLength = S.length;
  2310. var fillStr = fillString === undefined ? ' ' : String(fillString);
  2311. var intMaxLength = toLength(maxLength);
  2312. var fillLen, stringFiller;
  2313. if (intMaxLength <= stringLength || fillStr == '')
  2314. return S;
  2315. fillLen = intMaxLength - stringLength;
  2316. stringFiller = repeat.call(fillStr, ceil(fillLen / fillStr.length));
  2317. if (stringFiller.length > fillLen)
  2318. stringFiller = stringFiller.slice(0, fillLen);
  2319. return IS_END ? S + stringFiller : stringFiller + S;
  2320. };
  2321. };
  2322. module.exports = {
  2323. start: createMethod(false),
  2324. end: createMethod(true)
  2325. };
  2326. /***/ }),
  2327. /* 85 */
  2328. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2329. "use strict";
  2330. var toInteger = __w_pdfjs_require__(44);
  2331. var requireObjectCoercible = __w_pdfjs_require__(16);
  2332. module.exports = function repeat(count) {
  2333. var str = String(requireObjectCoercible(this));
  2334. var result = '';
  2335. var n = toInteger(count);
  2336. if (n < 0 || n == Infinity)
  2337. throw RangeError('Wrong number of repetitions');
  2338. for (; n > 0; (n >>>= 1) && (str += str))
  2339. if (n & 1)
  2340. result += str;
  2341. return result;
  2342. };
  2343. /***/ }),
  2344. /* 86 */
  2345. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2346. var userAgent = __w_pdfjs_require__(56);
  2347. module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
  2348. /***/ }),
  2349. /* 87 */
  2350. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2351. var global = __w_pdfjs_require__(7);
  2352. var bind = __w_pdfjs_require__(75);
  2353. var call = Function.call;
  2354. module.exports = function (CONSTRUCTOR, METHOD, length) {
  2355. return bind(call, global[CONSTRUCTOR].prototype[METHOD], length);
  2356. };
  2357. /***/ }),
  2358. /* 88 */
  2359. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2360. __w_pdfjs_require__(89);
  2361. var entryUnbind = __w_pdfjs_require__(87);
  2362. module.exports = entryUnbind('String', 'padEnd');
  2363. /***/ }),
  2364. /* 89 */
  2365. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2366. "use strict";
  2367. var $ = __w_pdfjs_require__(6);
  2368. var $padEnd = __w_pdfjs_require__(84).end;
  2369. var WEBKIT_BUG = __w_pdfjs_require__(86);
  2370. $({
  2371. target: 'String',
  2372. proto: true,
  2373. forced: WEBKIT_BUG
  2374. }, {
  2375. padEnd: function padEnd(maxLength) {
  2376. return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
  2377. }
  2378. });
  2379. /***/ }),
  2380. /* 90 */
  2381. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2382. __w_pdfjs_require__(91);
  2383. var path = __w_pdfjs_require__(39);
  2384. module.exports = path.Object.values;
  2385. /***/ }),
  2386. /* 91 */
  2387. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2388. var $ = __w_pdfjs_require__(6);
  2389. var $values = __w_pdfjs_require__(92).values;
  2390. $({
  2391. target: 'Object',
  2392. stat: true
  2393. }, {
  2394. values: function values(O) {
  2395. return $values(O);
  2396. }
  2397. });
  2398. /***/ }),
  2399. /* 92 */
  2400. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2401. var DESCRIPTORS = __w_pdfjs_require__(9);
  2402. var objectKeys = __w_pdfjs_require__(60);
  2403. var toIndexedObject = __w_pdfjs_require__(13);
  2404. var propertyIsEnumerable = __w_pdfjs_require__(11).f;
  2405. var createMethod = function (TO_ENTRIES) {
  2406. return function (it) {
  2407. var O = toIndexedObject(it);
  2408. var keys = objectKeys(O);
  2409. var length = keys.length;
  2410. var i = 0;
  2411. var result = [];
  2412. var key;
  2413. while (length > i) {
  2414. key = keys[i++];
  2415. if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {
  2416. result.push(TO_ENTRIES ? [
  2417. key,
  2418. O[key]
  2419. ] : O[key]);
  2420. }
  2421. }
  2422. return result;
  2423. };
  2424. };
  2425. module.exports = {
  2426. entries: createMethod(true),
  2427. values: createMethod(false)
  2428. };
  2429. /***/ }),
  2430. /* 93 */
  2431. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2432. __w_pdfjs_require__(94);
  2433. var path = __w_pdfjs_require__(39);
  2434. module.exports = path.Object.entries;
  2435. /***/ }),
  2436. /* 94 */
  2437. /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
  2438. var $ = __w_pdfjs_require__(6);
  2439. var $entries = __w_pdfjs_require__(92).entries;
  2440. $({
  2441. target: 'Object',
  2442. stat: true
  2443. }, {
  2444. entries: function entries(O) {
  2445. return $entries(O);
  2446. }
  2447. });
  2448. /***/ }),
  2449. /* 95 */
  2450. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  2451. "use strict";
  2452. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  2453. Object.defineProperty(exports, "__esModule", ({
  2454. value: true
  2455. }));
  2456. exports.Jbig2Image = void 0;
  2457. var _util = __w_pdfjs_require__(1);
  2458. var _core_utils = __w_pdfjs_require__(96);
  2459. var _arithmetic_decoder = __w_pdfjs_require__(100);
  2460. var _ccitt = __w_pdfjs_require__(101);
  2461. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  2462. 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 } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  2463. function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  2464. 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); }; }
  2465. function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  2466. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  2467. 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; } }
  2468. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  2469. var Jbig2Error = /*#__PURE__*/function (_BaseException) {
  2470. _inherits(Jbig2Error, _BaseException);
  2471. var _super = _createSuper(Jbig2Error);
  2472. function Jbig2Error(msg) {
  2473. _classCallCheck(this, Jbig2Error);
  2474. return _super.call(this, "JBIG2 error: ".concat(msg));
  2475. }
  2476. return Jbig2Error;
  2477. }(_util.BaseException);
  2478. var Jbig2Image = function Jbig2ImageClosure() {
  2479. function ContextCache() {}
  2480. ContextCache.prototype = {
  2481. getContexts: function getContexts(id) {
  2482. if (id in this) {
  2483. return this[id];
  2484. }
  2485. return this[id] = new Int8Array(1 << 16);
  2486. }
  2487. };
  2488. function DecodingContext(data, start, end) {
  2489. this.data = data;
  2490. this.start = start;
  2491. this.end = end;
  2492. }
  2493. DecodingContext.prototype = {
  2494. get decoder() {
  2495. var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
  2496. return (0, _util.shadow)(this, "decoder", decoder);
  2497. },
  2498. get contextCache() {
  2499. var cache = new ContextCache();
  2500. return (0, _util.shadow)(this, "contextCache", cache);
  2501. }
  2502. };
  2503. function decodeInteger(contextCache, procedure, decoder) {
  2504. var contexts = contextCache.getContexts(procedure);
  2505. var prev = 1;
  2506. function readBits(length) {
  2507. var v = 0;
  2508. for (var i = 0; i < length; i++) {
  2509. var bit = decoder.readBit(contexts, prev);
  2510. prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
  2511. v = v << 1 | bit;
  2512. }
  2513. return v >>> 0;
  2514. }
  2515. var sign = readBits(1);
  2516. 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);
  2517. if (sign === 0) {
  2518. return value;
  2519. } else if (value > 0) {
  2520. return -value;
  2521. }
  2522. return null;
  2523. }
  2524. function decodeIAID(contextCache, decoder, codeLength) {
  2525. var contexts = contextCache.getContexts("IAID");
  2526. var prev = 1;
  2527. for (var i = 0; i < codeLength; i++) {
  2528. var bit = decoder.readBit(contexts, prev);
  2529. prev = prev << 1 | bit;
  2530. }
  2531. if (codeLength < 31) {
  2532. return prev & (1 << codeLength) - 1;
  2533. }
  2534. return prev & 0x7fffffff;
  2535. }
  2536. 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"];
  2537. var CodingTemplates = [[{
  2538. x: -1,
  2539. y: -2
  2540. }, {
  2541. x: 0,
  2542. y: -2
  2543. }, {
  2544. x: 1,
  2545. y: -2
  2546. }, {
  2547. x: -2,
  2548. y: -1
  2549. }, {
  2550. x: -1,
  2551. y: -1
  2552. }, {
  2553. x: 0,
  2554. y: -1
  2555. }, {
  2556. x: 1,
  2557. y: -1
  2558. }, {
  2559. x: 2,
  2560. y: -1
  2561. }, {
  2562. x: -4,
  2563. y: 0
  2564. }, {
  2565. x: -3,
  2566. y: 0
  2567. }, {
  2568. x: -2,
  2569. y: 0
  2570. }, {
  2571. x: -1,
  2572. y: 0
  2573. }], [{
  2574. x: -1,
  2575. y: -2
  2576. }, {
  2577. x: 0,
  2578. y: -2
  2579. }, {
  2580. x: 1,
  2581. y: -2
  2582. }, {
  2583. x: 2,
  2584. y: -2
  2585. }, {
  2586. x: -2,
  2587. y: -1
  2588. }, {
  2589. x: -1,
  2590. y: -1
  2591. }, {
  2592. x: 0,
  2593. y: -1
  2594. }, {
  2595. x: 1,
  2596. y: -1
  2597. }, {
  2598. x: 2,
  2599. y: -1
  2600. }, {
  2601. x: -3,
  2602. y: 0
  2603. }, {
  2604. x: -2,
  2605. y: 0
  2606. }, {
  2607. x: -1,
  2608. y: 0
  2609. }], [{
  2610. x: -1,
  2611. y: -2
  2612. }, {
  2613. x: 0,
  2614. y: -2
  2615. }, {
  2616. x: 1,
  2617. y: -2
  2618. }, {
  2619. x: -2,
  2620. y: -1
  2621. }, {
  2622. x: -1,
  2623. y: -1
  2624. }, {
  2625. x: 0,
  2626. y: -1
  2627. }, {
  2628. x: 1,
  2629. y: -1
  2630. }, {
  2631. x: -2,
  2632. y: 0
  2633. }, {
  2634. x: -1,
  2635. y: 0
  2636. }], [{
  2637. x: -3,
  2638. y: -1
  2639. }, {
  2640. x: -2,
  2641. y: -1
  2642. }, {
  2643. x: -1,
  2644. y: -1
  2645. }, {
  2646. x: 0,
  2647. y: -1
  2648. }, {
  2649. x: 1,
  2650. y: -1
  2651. }, {
  2652. x: -4,
  2653. y: 0
  2654. }, {
  2655. x: -3,
  2656. y: 0
  2657. }, {
  2658. x: -2,
  2659. y: 0
  2660. }, {
  2661. x: -1,
  2662. y: 0
  2663. }]];
  2664. var RefinementTemplates = [{
  2665. coding: [{
  2666. x: 0,
  2667. y: -1
  2668. }, {
  2669. x: 1,
  2670. y: -1
  2671. }, {
  2672. x: -1,
  2673. y: 0
  2674. }],
  2675. reference: [{
  2676. x: 0,
  2677. y: -1
  2678. }, {
  2679. x: 1,
  2680. y: -1
  2681. }, {
  2682. x: -1,
  2683. y: 0
  2684. }, {
  2685. x: 0,
  2686. y: 0
  2687. }, {
  2688. x: 1,
  2689. y: 0
  2690. }, {
  2691. x: -1,
  2692. y: 1
  2693. }, {
  2694. x: 0,
  2695. y: 1
  2696. }, {
  2697. x: 1,
  2698. y: 1
  2699. }]
  2700. }, {
  2701. coding: [{
  2702. x: -1,
  2703. y: -1
  2704. }, {
  2705. x: 0,
  2706. y: -1
  2707. }, {
  2708. x: 1,
  2709. y: -1
  2710. }, {
  2711. x: -1,
  2712. y: 0
  2713. }],
  2714. reference: [{
  2715. x: 0,
  2716. y: -1
  2717. }, {
  2718. x: -1,
  2719. y: 0
  2720. }, {
  2721. x: 0,
  2722. y: 0
  2723. }, {
  2724. x: 1,
  2725. y: 0
  2726. }, {
  2727. x: 0,
  2728. y: 1
  2729. }, {
  2730. x: 1,
  2731. y: 1
  2732. }]
  2733. }];
  2734. var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
  2735. var RefinementReusedContexts = [0x0020, 0x0008];
  2736. function decodeBitmapTemplate0(width, height, decodingContext) {
  2737. var decoder = decodingContext.decoder;
  2738. var contexts = decodingContext.contextCache.getContexts("GB");
  2739. var contextLabel,
  2740. i,
  2741. j,
  2742. pixel,
  2743. row,
  2744. row1,
  2745. row2,
  2746. bitmap = [];
  2747. var OLD_PIXEL_MASK = 0x7bf7;
  2748. for (i = 0; i < height; i++) {
  2749. row = bitmap[i] = new Uint8Array(width);
  2750. row1 = i < 1 ? row : bitmap[i - 1];
  2751. row2 = i < 2 ? row : bitmap[i - 2];
  2752. contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
  2753. for (j = 0; j < width; j++) {
  2754. row[j] = pixel = decoder.readBit(contexts, contextLabel);
  2755. contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
  2756. }
  2757. }
  2758. return bitmap;
  2759. }
  2760. function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
  2761. if (mmr) {
  2762. var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
  2763. return decodeMMRBitmap(input, width, height, false);
  2764. }
  2765. 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) {
  2766. return decodeBitmapTemplate0(width, height, decodingContext);
  2767. }
  2768. var useskip = !!skip;
  2769. var template = CodingTemplates[templateIndex].concat(at);
  2770. template.sort(function (a, b) {
  2771. return a.y - b.y || a.x - b.x;
  2772. });
  2773. var templateLength = template.length;
  2774. var templateX = new Int8Array(templateLength);
  2775. var templateY = new Int8Array(templateLength);
  2776. var changingTemplateEntries = [];
  2777. var reuseMask = 0,
  2778. minX = 0,
  2779. maxX = 0,
  2780. minY = 0;
  2781. var c, k;
  2782. for (k = 0; k < templateLength; k++) {
  2783. templateX[k] = template[k].x;
  2784. templateY[k] = template[k].y;
  2785. minX = Math.min(minX, template[k].x);
  2786. maxX = Math.max(maxX, template[k].x);
  2787. minY = Math.min(minY, template[k].y);
  2788. if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
  2789. reuseMask |= 1 << templateLength - 1 - k;
  2790. } else {
  2791. changingTemplateEntries.push(k);
  2792. }
  2793. }
  2794. var changingEntriesLength = changingTemplateEntries.length;
  2795. var changingTemplateX = new Int8Array(changingEntriesLength);
  2796. var changingTemplateY = new Int8Array(changingEntriesLength);
  2797. var changingTemplateBit = new Uint16Array(changingEntriesLength);
  2798. for (c = 0; c < changingEntriesLength; c++) {
  2799. k = changingTemplateEntries[c];
  2800. changingTemplateX[c] = template[k].x;
  2801. changingTemplateY[c] = template[k].y;
  2802. changingTemplateBit[c] = 1 << templateLength - 1 - k;
  2803. }
  2804. var sbb_left = -minX;
  2805. var sbb_top = -minY;
  2806. var sbb_right = width - maxX;
  2807. var pseudoPixelContext = ReusedContexts[templateIndex];
  2808. var row = new Uint8Array(width);
  2809. var bitmap = [];
  2810. var decoder = decodingContext.decoder;
  2811. var contexts = decodingContext.contextCache.getContexts("GB");
  2812. var ltp = 0,
  2813. j,
  2814. i0,
  2815. j0,
  2816. contextLabel = 0,
  2817. bit,
  2818. shift;
  2819. for (var i = 0; i < height; i++) {
  2820. if (prediction) {
  2821. var sltp = decoder.readBit(contexts, pseudoPixelContext);
  2822. ltp ^= sltp;
  2823. if (ltp) {
  2824. bitmap.push(row);
  2825. continue;
  2826. }
  2827. }
  2828. row = new Uint8Array(row);
  2829. bitmap.push(row);
  2830. for (j = 0; j < width; j++) {
  2831. if (useskip && skip[i][j]) {
  2832. row[j] = 0;
  2833. continue;
  2834. }
  2835. if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
  2836. contextLabel = contextLabel << 1 & reuseMask;
  2837. for (k = 0; k < changingEntriesLength; k++) {
  2838. i0 = i + changingTemplateY[k];
  2839. j0 = j + changingTemplateX[k];
  2840. bit = bitmap[i0][j0];
  2841. if (bit) {
  2842. bit = changingTemplateBit[k];
  2843. contextLabel |= bit;
  2844. }
  2845. }
  2846. } else {
  2847. contextLabel = 0;
  2848. shift = templateLength - 1;
  2849. for (k = 0; k < templateLength; k++, shift--) {
  2850. j0 = j + templateX[k];
  2851. if (j0 >= 0 && j0 < width) {
  2852. i0 = i + templateY[k];
  2853. if (i0 >= 0) {
  2854. bit = bitmap[i0][j0];
  2855. if (bit) {
  2856. contextLabel |= bit << shift;
  2857. }
  2858. }
  2859. }
  2860. }
  2861. }
  2862. var pixel = decoder.readBit(contexts, contextLabel);
  2863. row[j] = pixel;
  2864. }
  2865. }
  2866. return bitmap;
  2867. }
  2868. function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
  2869. var codingTemplate = RefinementTemplates[templateIndex].coding;
  2870. if (templateIndex === 0) {
  2871. codingTemplate = codingTemplate.concat([at[0]]);
  2872. }
  2873. var codingTemplateLength = codingTemplate.length;
  2874. var codingTemplateX = new Int32Array(codingTemplateLength);
  2875. var codingTemplateY = new Int32Array(codingTemplateLength);
  2876. var k;
  2877. for (k = 0; k < codingTemplateLength; k++) {
  2878. codingTemplateX[k] = codingTemplate[k].x;
  2879. codingTemplateY[k] = codingTemplate[k].y;
  2880. }
  2881. var referenceTemplate = RefinementTemplates[templateIndex].reference;
  2882. if (templateIndex === 0) {
  2883. referenceTemplate = referenceTemplate.concat([at[1]]);
  2884. }
  2885. var referenceTemplateLength = referenceTemplate.length;
  2886. var referenceTemplateX = new Int32Array(referenceTemplateLength);
  2887. var referenceTemplateY = new Int32Array(referenceTemplateLength);
  2888. for (k = 0; k < referenceTemplateLength; k++) {
  2889. referenceTemplateX[k] = referenceTemplate[k].x;
  2890. referenceTemplateY[k] = referenceTemplate[k].y;
  2891. }
  2892. var referenceWidth = referenceBitmap[0].length;
  2893. var referenceHeight = referenceBitmap.length;
  2894. var pseudoPixelContext = RefinementReusedContexts[templateIndex];
  2895. var bitmap = [];
  2896. var decoder = decodingContext.decoder;
  2897. var contexts = decodingContext.contextCache.getContexts("GR");
  2898. var ltp = 0;
  2899. for (var i = 0; i < height; i++) {
  2900. if (prediction) {
  2901. var sltp = decoder.readBit(contexts, pseudoPixelContext);
  2902. ltp ^= sltp;
  2903. if (ltp) {
  2904. throw new Jbig2Error("prediction is not supported");
  2905. }
  2906. }
  2907. var row = new Uint8Array(width);
  2908. bitmap.push(row);
  2909. for (var j = 0; j < width; j++) {
  2910. var i0, j0;
  2911. var contextLabel = 0;
  2912. for (k = 0; k < codingTemplateLength; k++) {
  2913. i0 = i + codingTemplateY[k];
  2914. j0 = j + codingTemplateX[k];
  2915. if (i0 < 0 || j0 < 0 || j0 >= width) {
  2916. contextLabel <<= 1;
  2917. } else {
  2918. contextLabel = contextLabel << 1 | bitmap[i0][j0];
  2919. }
  2920. }
  2921. for (k = 0; k < referenceTemplateLength; k++) {
  2922. i0 = i + referenceTemplateY[k] - offsetY;
  2923. j0 = j + referenceTemplateX[k] - offsetX;
  2924. if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
  2925. contextLabel <<= 1;
  2926. } else {
  2927. contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
  2928. }
  2929. }
  2930. var pixel = decoder.readBit(contexts, contextLabel);
  2931. row[j] = pixel;
  2932. }
  2933. }
  2934. return bitmap;
  2935. }
  2936. function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
  2937. if (huffman && refinement) {
  2938. throw new Jbig2Error("symbol refinement with Huffman is not supported");
  2939. }
  2940. var newSymbols = [];
  2941. var currentHeight = 0;
  2942. var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
  2943. var decoder = decodingContext.decoder;
  2944. var contextCache = decodingContext.contextCache;
  2945. var tableB1, symbolWidths;
  2946. if (huffman) {
  2947. tableB1 = getStandardTable(1);
  2948. symbolWidths = [];
  2949. symbolCodeLength = Math.max(symbolCodeLength, 1);
  2950. }
  2951. while (newSymbols.length < numberOfNewSymbols) {
  2952. var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
  2953. currentHeight += deltaHeight;
  2954. var currentWidth = 0,
  2955. totalWidth = 0;
  2956. var firstSymbol = huffman ? symbolWidths.length : 0;
  2957. while (true) {
  2958. var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
  2959. if (deltaWidth === null) {
  2960. break;
  2961. }
  2962. currentWidth += deltaWidth;
  2963. totalWidth += currentWidth;
  2964. var bitmap;
  2965. if (refinement) {
  2966. var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
  2967. if (numberOfInstances > 1) {
  2968. bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
  2969. } else {
  2970. var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
  2971. var rdx = decodeInteger(contextCache, "IARDX", decoder);
  2972. var rdy = decodeInteger(contextCache, "IARDY", decoder);
  2973. var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
  2974. bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
  2975. }
  2976. newSymbols.push(bitmap);
  2977. } else if (huffman) {
  2978. symbolWidths.push(currentWidth);
  2979. } else {
  2980. bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
  2981. newSymbols.push(bitmap);
  2982. }
  2983. }
  2984. if (huffman && !refinement) {
  2985. var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
  2986. huffmanInput.byteAlign();
  2987. var collectiveBitmap = void 0;
  2988. if (bitmapSize === 0) {
  2989. collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
  2990. } else {
  2991. var originalEnd = huffmanInput.end;
  2992. var bitmapEnd = huffmanInput.position + bitmapSize;
  2993. huffmanInput.end = bitmapEnd;
  2994. collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
  2995. huffmanInput.end = originalEnd;
  2996. huffmanInput.position = bitmapEnd;
  2997. }
  2998. var numberOfSymbolsDecoded = symbolWidths.length;
  2999. if (firstSymbol === numberOfSymbolsDecoded - 1) {
  3000. newSymbols.push(collectiveBitmap);
  3001. } else {
  3002. var _i = void 0,
  3003. y = void 0,
  3004. xMin = 0,
  3005. xMax = void 0,
  3006. bitmapWidth = void 0,
  3007. symbolBitmap = void 0;
  3008. for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) {
  3009. bitmapWidth = symbolWidths[_i];
  3010. xMax = xMin + bitmapWidth;
  3011. symbolBitmap = [];
  3012. for (y = 0; y < currentHeight; y++) {
  3013. symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
  3014. }
  3015. newSymbols.push(symbolBitmap);
  3016. xMin = xMax;
  3017. }
  3018. }
  3019. }
  3020. }
  3021. var exportedSymbols = [];
  3022. var flags = [],
  3023. currentFlag = false;
  3024. var totalSymbolsLength = symbols.length + numberOfNewSymbols;
  3025. while (flags.length < totalSymbolsLength) {
  3026. var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
  3027. while (runLength--) {
  3028. flags.push(currentFlag);
  3029. }
  3030. currentFlag = !currentFlag;
  3031. }
  3032. for (var i = 0, ii = symbols.length; i < ii; i++) {
  3033. if (flags[i]) {
  3034. exportedSymbols.push(symbols[i]);
  3035. }
  3036. }
  3037. for (var j = 0; j < numberOfNewSymbols; i++, j++) {
  3038. if (flags[i]) {
  3039. exportedSymbols.push(newSymbols[j]);
  3040. }
  3041. }
  3042. return exportedSymbols;
  3043. }
  3044. function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
  3045. if (huffman && refinement) {
  3046. throw new Jbig2Error("refinement with Huffman is not supported");
  3047. }
  3048. var bitmap = [];
  3049. var i, row;
  3050. for (i = 0; i < height; i++) {
  3051. row = new Uint8Array(width);
  3052. if (defaultPixelValue) {
  3053. for (var j = 0; j < width; j++) {
  3054. row[j] = defaultPixelValue;
  3055. }
  3056. }
  3057. bitmap.push(row);
  3058. }
  3059. var decoder = decodingContext.decoder;
  3060. var contextCache = decodingContext.contextCache;
  3061. var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
  3062. var firstS = 0;
  3063. i = 0;
  3064. while (i < numberOfSymbolInstances) {
  3065. var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
  3066. stripT += deltaT;
  3067. var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
  3068. firstS += deltaFirstS;
  3069. var currentS = firstS;
  3070. do {
  3071. var currentT = 0;
  3072. if (stripSize > 1) {
  3073. currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
  3074. }
  3075. var t = stripSize * stripT + currentT;
  3076. var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
  3077. var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
  3078. var symbolBitmap = inputSymbols[symbolId];
  3079. var symbolWidth = symbolBitmap[0].length;
  3080. var symbolHeight = symbolBitmap.length;
  3081. if (applyRefinement) {
  3082. var rdw = decodeInteger(contextCache, "IARDW", decoder);
  3083. var rdh = decodeInteger(contextCache, "IARDH", decoder);
  3084. var rdx = decodeInteger(contextCache, "IARDX", decoder);
  3085. var rdy = decodeInteger(contextCache, "IARDY", decoder);
  3086. symbolWidth += rdw;
  3087. symbolHeight += rdh;
  3088. symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
  3089. }
  3090. var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
  3091. var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
  3092. var s2, t2, symbolRow;
  3093. if (transposed) {
  3094. for (s2 = 0; s2 < symbolHeight; s2++) {
  3095. row = bitmap[offsetS + s2];
  3096. if (!row) {
  3097. continue;
  3098. }
  3099. symbolRow = symbolBitmap[s2];
  3100. var maxWidth = Math.min(width - offsetT, symbolWidth);
  3101. switch (combinationOperator) {
  3102. case 0:
  3103. for (t2 = 0; t2 < maxWidth; t2++) {
  3104. row[offsetT + t2] |= symbolRow[t2];
  3105. }
  3106. break;
  3107. case 2:
  3108. for (t2 = 0; t2 < maxWidth; t2++) {
  3109. row[offsetT + t2] ^= symbolRow[t2];
  3110. }
  3111. break;
  3112. default:
  3113. throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
  3114. }
  3115. }
  3116. currentS += symbolHeight - 1;
  3117. } else {
  3118. for (t2 = 0; t2 < symbolHeight; t2++) {
  3119. row = bitmap[offsetT + t2];
  3120. if (!row) {
  3121. continue;
  3122. }
  3123. symbolRow = symbolBitmap[t2];
  3124. switch (combinationOperator) {
  3125. case 0:
  3126. for (s2 = 0; s2 < symbolWidth; s2++) {
  3127. row[offsetS + s2] |= symbolRow[s2];
  3128. }
  3129. break;
  3130. case 2:
  3131. for (s2 = 0; s2 < symbolWidth; s2++) {
  3132. row[offsetS + s2] ^= symbolRow[s2];
  3133. }
  3134. break;
  3135. default:
  3136. throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
  3137. }
  3138. }
  3139. currentS += symbolWidth - 1;
  3140. }
  3141. i++;
  3142. var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
  3143. if (deltaS === null) {
  3144. break;
  3145. }
  3146. currentS += deltaS + dsOffset;
  3147. } while (true);
  3148. }
  3149. return bitmap;
  3150. }
  3151. function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
  3152. var at = [];
  3153. if (!mmr) {
  3154. at.push({
  3155. x: -patternWidth,
  3156. y: 0
  3157. });
  3158. if (template === 0) {
  3159. at.push({
  3160. x: -3,
  3161. y: -1
  3162. });
  3163. at.push({
  3164. x: 2,
  3165. y: -2
  3166. });
  3167. at.push({
  3168. x: -2,
  3169. y: -2
  3170. });
  3171. }
  3172. }
  3173. var collectiveWidth = (maxPatternIndex + 1) * patternWidth;
  3174. var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
  3175. var patterns = [];
  3176. for (var i = 0; i <= maxPatternIndex; i++) {
  3177. var patternBitmap = [];
  3178. var xMin = patternWidth * i;
  3179. var xMax = xMin + patternWidth;
  3180. for (var y = 0; y < patternHeight; y++) {
  3181. patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
  3182. }
  3183. patterns.push(patternBitmap);
  3184. }
  3185. return patterns;
  3186. }
  3187. function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
  3188. var skip = null;
  3189. if (enableSkip) {
  3190. throw new Jbig2Error("skip is not supported");
  3191. }
  3192. if (combinationOperator !== 0) {
  3193. throw new Jbig2Error("operator " + combinationOperator + " is not supported in halftone region");
  3194. }
  3195. var regionBitmap = [];
  3196. var i, j, row;
  3197. for (i = 0; i < regionHeight; i++) {
  3198. row = new Uint8Array(regionWidth);
  3199. if (defaultPixelValue) {
  3200. for (j = 0; j < regionWidth; j++) {
  3201. row[j] = defaultPixelValue;
  3202. }
  3203. }
  3204. regionBitmap.push(row);
  3205. }
  3206. var numberOfPatterns = patterns.length;
  3207. var pattern0 = patterns[0];
  3208. var patternWidth = pattern0[0].length,
  3209. patternHeight = pattern0.length;
  3210. var bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
  3211. var at = [];
  3212. if (!mmr) {
  3213. at.push({
  3214. x: template <= 1 ? 3 : 2,
  3215. y: -1
  3216. });
  3217. if (template === 0) {
  3218. at.push({
  3219. x: -3,
  3220. y: -1
  3221. });
  3222. at.push({
  3223. x: 2,
  3224. y: -2
  3225. });
  3226. at.push({
  3227. x: -2,
  3228. y: -2
  3229. });
  3230. }
  3231. }
  3232. var grayScaleBitPlanes = [];
  3233. var mmrInput, bitmap;
  3234. if (mmr) {
  3235. mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
  3236. }
  3237. for (i = bitsPerValue - 1; i >= 0; i--) {
  3238. if (mmr) {
  3239. bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
  3240. } else {
  3241. bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
  3242. }
  3243. grayScaleBitPlanes[i] = bitmap;
  3244. }
  3245. var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
  3246. for (mg = 0; mg < gridHeight; mg++) {
  3247. for (ng = 0; ng < gridWidth; ng++) {
  3248. bit = 0;
  3249. patternIndex = 0;
  3250. for (j = bitsPerValue - 1; j >= 0; j--) {
  3251. bit = grayScaleBitPlanes[j][mg][ng] ^ bit;
  3252. patternIndex |= bit << j;
  3253. }
  3254. patternBitmap = patterns[patternIndex];
  3255. x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
  3256. y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
  3257. if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
  3258. for (i = 0; i < patternHeight; i++) {
  3259. regionRow = regionBitmap[y + i];
  3260. patternRow = patternBitmap[i];
  3261. for (j = 0; j < patternWidth; j++) {
  3262. regionRow[x + j] |= patternRow[j];
  3263. }
  3264. }
  3265. } else {
  3266. var regionX = void 0,
  3267. regionY = void 0;
  3268. for (i = 0; i < patternHeight; i++) {
  3269. regionY = y + i;
  3270. if (regionY < 0 || regionY >= regionHeight) {
  3271. continue;
  3272. }
  3273. regionRow = regionBitmap[regionY];
  3274. patternRow = patternBitmap[i];
  3275. for (j = 0; j < patternWidth; j++) {
  3276. regionX = x + j;
  3277. if (regionX >= 0 && regionX < regionWidth) {
  3278. regionRow[regionX] |= patternRow[j];
  3279. }
  3280. }
  3281. }
  3282. }
  3283. }
  3284. }
  3285. return regionBitmap;
  3286. }
  3287. function readSegmentHeader(data, start) {
  3288. var segmentHeader = {};
  3289. segmentHeader.number = (0, _core_utils.readUint32)(data, start);
  3290. var flags = data[start + 4];
  3291. var segmentType = flags & 0x3f;
  3292. if (!SegmentTypes[segmentType]) {
  3293. throw new Jbig2Error("invalid segment type: " + segmentType);
  3294. }
  3295. segmentHeader.type = segmentType;
  3296. segmentHeader.typeName = SegmentTypes[segmentType];
  3297. segmentHeader.deferredNonRetain = !!(flags & 0x80);
  3298. var pageAssociationFieldSize = !!(flags & 0x40);
  3299. var referredFlags = data[start + 5];
  3300. var referredToCount = referredFlags >> 5 & 7;
  3301. var retainBits = [referredFlags & 31];
  3302. var position = start + 6;
  3303. if (referredFlags === 7) {
  3304. referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
  3305. position += 3;
  3306. var bytes = referredToCount + 7 >> 3;
  3307. retainBits[0] = data[position++];
  3308. while (--bytes > 0) {
  3309. retainBits.push(data[position++]);
  3310. }
  3311. } else if (referredFlags === 5 || referredFlags === 6) {
  3312. throw new Jbig2Error("invalid referred-to flags");
  3313. }
  3314. segmentHeader.retainBits = retainBits;
  3315. var referredToSegmentNumberSize = 4;
  3316. if (segmentHeader.number <= 256) {
  3317. referredToSegmentNumberSize = 1;
  3318. } else if (segmentHeader.number <= 65536) {
  3319. referredToSegmentNumberSize = 2;
  3320. }
  3321. var referredTo = [];
  3322. var i, ii;
  3323. for (i = 0; i < referredToCount; i++) {
  3324. var number = void 0;
  3325. if (referredToSegmentNumberSize === 1) {
  3326. number = data[position];
  3327. } else if (referredToSegmentNumberSize === 2) {
  3328. number = (0, _core_utils.readUint16)(data, position);
  3329. } else {
  3330. number = (0, _core_utils.readUint32)(data, position);
  3331. }
  3332. referredTo.push(number);
  3333. position += referredToSegmentNumberSize;
  3334. }
  3335. segmentHeader.referredTo = referredTo;
  3336. if (!pageAssociationFieldSize) {
  3337. segmentHeader.pageAssociation = data[position++];
  3338. } else {
  3339. segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
  3340. position += 4;
  3341. }
  3342. segmentHeader.length = (0, _core_utils.readUint32)(data, position);
  3343. position += 4;
  3344. if (segmentHeader.length === 0xffffffff) {
  3345. if (segmentType === 38) {
  3346. var genericRegionInfo = readRegionSegmentInformation(data, position);
  3347. var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
  3348. var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
  3349. var searchPatternLength = 6;
  3350. var searchPattern = new Uint8Array(searchPatternLength);
  3351. if (!genericRegionMmr) {
  3352. searchPattern[0] = 0xff;
  3353. searchPattern[1] = 0xac;
  3354. }
  3355. searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
  3356. searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
  3357. searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
  3358. searchPattern[5] = genericRegionInfo.height & 0xff;
  3359. for (i = position, ii = data.length; i < ii; i++) {
  3360. var j = 0;
  3361. while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
  3362. j++;
  3363. }
  3364. if (j === searchPatternLength) {
  3365. segmentHeader.length = i + searchPatternLength;
  3366. break;
  3367. }
  3368. }
  3369. if (segmentHeader.length === 0xffffffff) {
  3370. throw new Jbig2Error("segment end was not found");
  3371. }
  3372. } else {
  3373. throw new Jbig2Error("invalid unknown segment length");
  3374. }
  3375. }
  3376. segmentHeader.headerEnd = position;
  3377. return segmentHeader;
  3378. }
  3379. function readSegments(header, data, start, end) {
  3380. var segments = [];
  3381. var position = start;
  3382. while (position < end) {
  3383. var segmentHeader = readSegmentHeader(data, position);
  3384. position = segmentHeader.headerEnd;
  3385. var segment = {
  3386. header: segmentHeader,
  3387. data: data
  3388. };
  3389. if (!header.randomAccess) {
  3390. segment.start = position;
  3391. position += segmentHeader.length;
  3392. segment.end = position;
  3393. }
  3394. segments.push(segment);
  3395. if (segmentHeader.type === 51) {
  3396. break;
  3397. }
  3398. }
  3399. if (header.randomAccess) {
  3400. for (var i = 0, ii = segments.length; i < ii; i++) {
  3401. segments[i].start = position;
  3402. position += segments[i].header.length;
  3403. segments[i].end = position;
  3404. }
  3405. }
  3406. return segments;
  3407. }
  3408. function readRegionSegmentInformation(data, start) {
  3409. return {
  3410. width: (0, _core_utils.readUint32)(data, start),
  3411. height: (0, _core_utils.readUint32)(data, start + 4),
  3412. x: (0, _core_utils.readUint32)(data, start + 8),
  3413. y: (0, _core_utils.readUint32)(data, start + 12),
  3414. combinationOperator: data[start + 16] & 7
  3415. };
  3416. }
  3417. var RegionSegmentInformationFieldLength = 17;
  3418. function processSegment(segment, visitor) {
  3419. var header = segment.header;
  3420. var data = segment.data,
  3421. position = segment.start,
  3422. end = segment.end;
  3423. var args, at, i, atLength;
  3424. switch (header.type) {
  3425. case 0:
  3426. var dictionary = {};
  3427. var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
  3428. dictionary.huffman = !!(dictionaryFlags & 1);
  3429. dictionary.refinement = !!(dictionaryFlags & 2);
  3430. dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
  3431. dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
  3432. dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
  3433. dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
  3434. dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
  3435. dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
  3436. dictionary.template = dictionaryFlags >> 10 & 3;
  3437. dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
  3438. position += 2;
  3439. if (!dictionary.huffman) {
  3440. atLength = dictionary.template === 0 ? 4 : 1;
  3441. at = [];
  3442. for (i = 0; i < atLength; i++) {
  3443. at.push({
  3444. x: (0, _core_utils.readInt8)(data, position),
  3445. y: (0, _core_utils.readInt8)(data, position + 1)
  3446. });
  3447. position += 2;
  3448. }
  3449. dictionary.at = at;
  3450. }
  3451. if (dictionary.refinement && !dictionary.refinementTemplate) {
  3452. at = [];
  3453. for (i = 0; i < 2; i++) {
  3454. at.push({
  3455. x: (0, _core_utils.readInt8)(data, position),
  3456. y: (0, _core_utils.readInt8)(data, position + 1)
  3457. });
  3458. position += 2;
  3459. }
  3460. dictionary.refinementAt = at;
  3461. }
  3462. dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
  3463. position += 4;
  3464. dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
  3465. position += 4;
  3466. args = [dictionary, header.number, header.referredTo, data, position, end];
  3467. break;
  3468. case 6:
  3469. case 7:
  3470. var textRegion = {};
  3471. textRegion.info = readRegionSegmentInformation(data, position);
  3472. position += RegionSegmentInformationFieldLength;
  3473. var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
  3474. position += 2;
  3475. textRegion.huffman = !!(textRegionSegmentFlags & 1);
  3476. textRegion.refinement = !!(textRegionSegmentFlags & 2);
  3477. textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
  3478. textRegion.stripSize = 1 << textRegion.logStripSize;
  3479. textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
  3480. textRegion.transposed = !!(textRegionSegmentFlags & 64);
  3481. textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
  3482. textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
  3483. textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
  3484. textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
  3485. if (textRegion.huffman) {
  3486. var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
  3487. position += 2;
  3488. textRegion.huffmanFS = textRegionHuffmanFlags & 3;
  3489. textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
  3490. textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
  3491. textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
  3492. textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
  3493. textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
  3494. textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
  3495. textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
  3496. }
  3497. if (textRegion.refinement && !textRegion.refinementTemplate) {
  3498. at = [];
  3499. for (i = 0; i < 2; i++) {
  3500. at.push({
  3501. x: (0, _core_utils.readInt8)(data, position),
  3502. y: (0, _core_utils.readInt8)(data, position + 1)
  3503. });
  3504. position += 2;
  3505. }
  3506. textRegion.refinementAt = at;
  3507. }
  3508. textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
  3509. position += 4;
  3510. args = [textRegion, header.referredTo, data, position, end];
  3511. break;
  3512. case 16:
  3513. var patternDictionary = {};
  3514. var patternDictionaryFlags = data[position++];
  3515. patternDictionary.mmr = !!(patternDictionaryFlags & 1);
  3516. patternDictionary.template = patternDictionaryFlags >> 1 & 3;
  3517. patternDictionary.patternWidth = data[position++];
  3518. patternDictionary.patternHeight = data[position++];
  3519. patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
  3520. position += 4;
  3521. args = [patternDictionary, header.number, data, position, end];
  3522. break;
  3523. case 22:
  3524. case 23:
  3525. var halftoneRegion = {};
  3526. halftoneRegion.info = readRegionSegmentInformation(data, position);
  3527. position += RegionSegmentInformationFieldLength;
  3528. var halftoneRegionFlags = data[position++];
  3529. halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
  3530. halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
  3531. halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
  3532. halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
  3533. halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
  3534. halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
  3535. position += 4;
  3536. halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
  3537. position += 4;
  3538. halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
  3539. position += 4;
  3540. halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
  3541. position += 4;
  3542. halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
  3543. position += 2;
  3544. halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
  3545. position += 2;
  3546. args = [halftoneRegion, header.referredTo, data, position, end];
  3547. break;
  3548. case 38:
  3549. case 39:
  3550. var genericRegion = {};
  3551. genericRegion.info = readRegionSegmentInformation(data, position);
  3552. position += RegionSegmentInformationFieldLength;
  3553. var genericRegionSegmentFlags = data[position++];
  3554. genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
  3555. genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
  3556. genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
  3557. if (!genericRegion.mmr) {
  3558. atLength = genericRegion.template === 0 ? 4 : 1;
  3559. at = [];
  3560. for (i = 0; i < atLength; i++) {
  3561. at.push({
  3562. x: (0, _core_utils.readInt8)(data, position),
  3563. y: (0, _core_utils.readInt8)(data, position + 1)
  3564. });
  3565. position += 2;
  3566. }
  3567. genericRegion.at = at;
  3568. }
  3569. args = [genericRegion, data, position, end];
  3570. break;
  3571. case 48:
  3572. var pageInfo = {
  3573. width: (0, _core_utils.readUint32)(data, position),
  3574. height: (0, _core_utils.readUint32)(data, position + 4),
  3575. resolutionX: (0, _core_utils.readUint32)(data, position + 8),
  3576. resolutionY: (0, _core_utils.readUint32)(data, position + 12)
  3577. };
  3578. if (pageInfo.height === 0xffffffff) {
  3579. delete pageInfo.height;
  3580. }
  3581. var pageSegmentFlags = data[position + 16];
  3582. (0, _core_utils.readUint16)(data, position + 17);
  3583. pageInfo.lossless = !!(pageSegmentFlags & 1);
  3584. pageInfo.refinement = !!(pageSegmentFlags & 2);
  3585. pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
  3586. pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
  3587. pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
  3588. pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
  3589. args = [pageInfo];
  3590. break;
  3591. case 49:
  3592. break;
  3593. case 50:
  3594. break;
  3595. case 51:
  3596. break;
  3597. case 53:
  3598. args = [header.number, data, position, end];
  3599. break;
  3600. case 62:
  3601. break;
  3602. default:
  3603. throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(header.type, ")") + " is not implemented");
  3604. }
  3605. var callbackName = "on" + header.typeName;
  3606. if (callbackName in visitor) {
  3607. visitor[callbackName].apply(visitor, args);
  3608. }
  3609. }
  3610. function processSegments(segments, visitor) {
  3611. for (var i = 0, ii = segments.length; i < ii; i++) {
  3612. processSegment(segments[i], visitor);
  3613. }
  3614. }
  3615. function parseJbig2Chunks(chunks) {
  3616. var visitor = new SimpleSegmentVisitor();
  3617. for (var i = 0, ii = chunks.length; i < ii; i++) {
  3618. var chunk = chunks[i];
  3619. var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
  3620. processSegments(segments, visitor);
  3621. }
  3622. return visitor.buffer;
  3623. }
  3624. function parseJbig2(data) {
  3625. var end = data.length;
  3626. var position = 0;
  3627. 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) {
  3628. throw new Jbig2Error("parseJbig2 - invalid header.");
  3629. }
  3630. var header = Object.create(null);
  3631. position += 8;
  3632. var flags = data[position++];
  3633. header.randomAccess = !(flags & 1);
  3634. if (!(flags & 2)) {
  3635. header.numberOfPages = (0, _core_utils.readUint32)(data, position);
  3636. position += 4;
  3637. }
  3638. var segments = readSegments(header, data, position, end);
  3639. var visitor = new SimpleSegmentVisitor();
  3640. processSegments(segments, visitor);
  3641. var _visitor$currentPageI = visitor.currentPageInfo,
  3642. width = _visitor$currentPageI.width,
  3643. height = _visitor$currentPageI.height;
  3644. var bitPacked = visitor.buffer;
  3645. var imgData = new Uint8ClampedArray(width * height);
  3646. var q = 0,
  3647. k = 0;
  3648. for (var i = 0; i < height; i++) {
  3649. var mask = 0,
  3650. buffer = void 0;
  3651. for (var j = 0; j < width; j++) {
  3652. if (!mask) {
  3653. mask = 128;
  3654. buffer = bitPacked[k++];
  3655. }
  3656. imgData[q++] = buffer & mask ? 0 : 255;
  3657. mask >>= 1;
  3658. }
  3659. }
  3660. return {
  3661. imgData: imgData,
  3662. width: width,
  3663. height: height
  3664. };
  3665. }
  3666. function SimpleSegmentVisitor() {}
  3667. SimpleSegmentVisitor.prototype = {
  3668. onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
  3669. this.currentPageInfo = info;
  3670. var rowSize = info.width + 7 >> 3;
  3671. var buffer = new Uint8ClampedArray(rowSize * info.height);
  3672. if (info.defaultPixelValue) {
  3673. for (var i = 0, ii = buffer.length; i < ii; i++) {
  3674. buffer[i] = 0xff;
  3675. }
  3676. }
  3677. this.buffer = buffer;
  3678. },
  3679. drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
  3680. var pageInfo = this.currentPageInfo;
  3681. var width = regionInfo.width,
  3682. height = regionInfo.height;
  3683. var rowSize = pageInfo.width + 7 >> 3;
  3684. var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
  3685. var buffer = this.buffer;
  3686. var mask0 = 128 >> (regionInfo.x & 7);
  3687. var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
  3688. var i, j, mask, offset;
  3689. switch (combinationOperator) {
  3690. case 0:
  3691. for (i = 0; i < height; i++) {
  3692. mask = mask0;
  3693. offset = offset0;
  3694. for (j = 0; j < width; j++) {
  3695. if (bitmap[i][j]) {
  3696. buffer[offset] |= mask;
  3697. }
  3698. mask >>= 1;
  3699. if (!mask) {
  3700. mask = 128;
  3701. offset++;
  3702. }
  3703. }
  3704. offset0 += rowSize;
  3705. }
  3706. break;
  3707. case 2:
  3708. for (i = 0; i < height; i++) {
  3709. mask = mask0;
  3710. offset = offset0;
  3711. for (j = 0; j < width; j++) {
  3712. if (bitmap[i][j]) {
  3713. buffer[offset] ^= mask;
  3714. }
  3715. mask >>= 1;
  3716. if (!mask) {
  3717. mask = 128;
  3718. offset++;
  3719. }
  3720. }
  3721. offset0 += rowSize;
  3722. }
  3723. break;
  3724. default:
  3725. throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
  3726. }
  3727. },
  3728. onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
  3729. var regionInfo = region.info;
  3730. var decodingContext = new DecodingContext(data, start, end);
  3731. var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
  3732. this.drawBitmap(regionInfo, bitmap);
  3733. },
  3734. onImmediateLosslessGenericRegion: function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
  3735. this.onImmediateGenericRegion.apply(this, arguments);
  3736. },
  3737. onSymbolDictionary: function SimpleSegmentVisitor_onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
  3738. var huffmanTables, huffmanInput;
  3739. if (dictionary.huffman) {
  3740. huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
  3741. huffmanInput = new Reader(data, start, end);
  3742. }
  3743. var symbols = this.symbols;
  3744. if (!symbols) {
  3745. this.symbols = symbols = {};
  3746. }
  3747. var inputSymbols = [];
  3748. for (var i = 0, ii = referredSegments.length; i < ii; i++) {
  3749. var referredSymbols = symbols[referredSegments[i]];
  3750. if (referredSymbols) {
  3751. inputSymbols = inputSymbols.concat(referredSymbols);
  3752. }
  3753. }
  3754. var decodingContext = new DecodingContext(data, start, end);
  3755. symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
  3756. },
  3757. onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) {
  3758. var regionInfo = region.info;
  3759. var huffmanTables, huffmanInput;
  3760. var symbols = this.symbols;
  3761. var inputSymbols = [];
  3762. for (var i = 0, ii = referredSegments.length; i < ii; i++) {
  3763. var referredSymbols = symbols[referredSegments[i]];
  3764. if (referredSymbols) {
  3765. inputSymbols = inputSymbols.concat(referredSymbols);
  3766. }
  3767. }
  3768. var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
  3769. if (region.huffman) {
  3770. huffmanInput = new Reader(data, start, end);
  3771. huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
  3772. }
  3773. var decodingContext = new DecodingContext(data, start, end);
  3774. 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);
  3775. this.drawBitmap(regionInfo, bitmap);
  3776. },
  3777. onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
  3778. this.onImmediateTextRegion.apply(this, arguments);
  3779. },
  3780. onPatternDictionary: function onPatternDictionary(dictionary, currentSegment, data, start, end) {
  3781. var patterns = this.patterns;
  3782. if (!patterns) {
  3783. this.patterns = patterns = {};
  3784. }
  3785. var decodingContext = new DecodingContext(data, start, end);
  3786. patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
  3787. },
  3788. onImmediateHalftoneRegion: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
  3789. var patterns = this.patterns[referredSegments[0]];
  3790. var regionInfo = region.info;
  3791. var decodingContext = new DecodingContext(data, start, end);
  3792. 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);
  3793. this.drawBitmap(regionInfo, bitmap);
  3794. },
  3795. onImmediateLosslessHalftoneRegion: function onImmediateLosslessHalftoneRegion() {
  3796. this.onImmediateHalftoneRegion.apply(this, arguments);
  3797. },
  3798. onTables: function onTables(currentSegment, data, start, end) {
  3799. var customTables = this.customTables;
  3800. if (!customTables) {
  3801. this.customTables = customTables = {};
  3802. }
  3803. customTables[currentSegment] = decodeTablesSegment(data, start, end);
  3804. }
  3805. };
  3806. function HuffmanLine(lineData) {
  3807. if (lineData.length === 2) {
  3808. this.isOOB = true;
  3809. this.rangeLow = 0;
  3810. this.prefixLength = lineData[0];
  3811. this.rangeLength = 0;
  3812. this.prefixCode = lineData[1];
  3813. this.isLowerRange = false;
  3814. } else {
  3815. this.isOOB = false;
  3816. this.rangeLow = lineData[0];
  3817. this.prefixLength = lineData[1];
  3818. this.rangeLength = lineData[2];
  3819. this.prefixCode = lineData[3];
  3820. this.isLowerRange = lineData[4] === "lower";
  3821. }
  3822. }
  3823. function HuffmanTreeNode(line) {
  3824. this.children = [];
  3825. if (line) {
  3826. this.isLeaf = true;
  3827. this.rangeLength = line.rangeLength;
  3828. this.rangeLow = line.rangeLow;
  3829. this.isLowerRange = line.isLowerRange;
  3830. this.isOOB = line.isOOB;
  3831. } else {
  3832. this.isLeaf = false;
  3833. }
  3834. }
  3835. HuffmanTreeNode.prototype = {
  3836. buildTree: function buildTree(line, shift) {
  3837. var bit = line.prefixCode >> shift & 1;
  3838. if (shift <= 0) {
  3839. this.children[bit] = new HuffmanTreeNode(line);
  3840. } else {
  3841. var node = this.children[bit];
  3842. if (!node) {
  3843. this.children[bit] = node = new HuffmanTreeNode(null);
  3844. }
  3845. node.buildTree(line, shift - 1);
  3846. }
  3847. },
  3848. decodeNode: function decodeNode(reader) {
  3849. if (this.isLeaf) {
  3850. if (this.isOOB) {
  3851. return null;
  3852. }
  3853. var htOffset = reader.readBits(this.rangeLength);
  3854. return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
  3855. }
  3856. var node = this.children[reader.readBit()];
  3857. if (!node) {
  3858. throw new Jbig2Error("invalid Huffman data");
  3859. }
  3860. return node.decodeNode(reader);
  3861. }
  3862. };
  3863. function HuffmanTable(lines, prefixCodesDone) {
  3864. if (!prefixCodesDone) {
  3865. this.assignPrefixCodes(lines);
  3866. }
  3867. this.rootNode = new HuffmanTreeNode(null);
  3868. for (var i = 0, ii = lines.length; i < ii; i++) {
  3869. var line = lines[i];
  3870. if (line.prefixLength > 0) {
  3871. this.rootNode.buildTree(line, line.prefixLength - 1);
  3872. }
  3873. }
  3874. }
  3875. HuffmanTable.prototype = {
  3876. decode: function decode(reader) {
  3877. return this.rootNode.decodeNode(reader);
  3878. },
  3879. assignPrefixCodes: function assignPrefixCodes(lines) {
  3880. var linesLength = lines.length;
  3881. var prefixLengthMax = 0;
  3882. for (var i = 0; i < linesLength; i++) {
  3883. prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
  3884. }
  3885. var histogram = new Uint32Array(prefixLengthMax + 1);
  3886. for (var _i2 = 0; _i2 < linesLength; _i2++) {
  3887. histogram[lines[_i2].prefixLength]++;
  3888. }
  3889. var currentLength = 1,
  3890. firstCode = 0,
  3891. currentCode,
  3892. currentTemp,
  3893. line;
  3894. histogram[0] = 0;
  3895. while (currentLength <= prefixLengthMax) {
  3896. firstCode = firstCode + histogram[currentLength - 1] << 1;
  3897. currentCode = firstCode;
  3898. currentTemp = 0;
  3899. while (currentTemp < linesLength) {
  3900. line = lines[currentTemp];
  3901. if (line.prefixLength === currentLength) {
  3902. line.prefixCode = currentCode;
  3903. currentCode++;
  3904. }
  3905. currentTemp++;
  3906. }
  3907. currentLength++;
  3908. }
  3909. }
  3910. };
  3911. function decodeTablesSegment(data, start, end) {
  3912. var flags = data[start];
  3913. var lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
  3914. var highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
  3915. var reader = new Reader(data, start + 9, end);
  3916. var prefixSizeBits = (flags >> 1 & 7) + 1;
  3917. var rangeSizeBits = (flags >> 4 & 7) + 1;
  3918. var lines = [];
  3919. var prefixLength,
  3920. rangeLength,
  3921. currentRangeLow = lowestValue;
  3922. do {
  3923. prefixLength = reader.readBits(prefixSizeBits);
  3924. rangeLength = reader.readBits(rangeSizeBits);
  3925. lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
  3926. currentRangeLow += 1 << rangeLength;
  3927. } while (currentRangeLow < highestValue);
  3928. prefixLength = reader.readBits(prefixSizeBits);
  3929. lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
  3930. prefixLength = reader.readBits(prefixSizeBits);
  3931. lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
  3932. if (flags & 1) {
  3933. prefixLength = reader.readBits(prefixSizeBits);
  3934. lines.push(new HuffmanLine([prefixLength, 0]));
  3935. }
  3936. return new HuffmanTable(lines, false);
  3937. }
  3938. var standardTablesCache = {};
  3939. function getStandardTable(number) {
  3940. var table = standardTablesCache[number];
  3941. if (table) {
  3942. return table;
  3943. }
  3944. var lines;
  3945. switch (number) {
  3946. case 1:
  3947. lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
  3948. break;
  3949. case 2:
  3950. 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]];
  3951. break;
  3952. case 3:
  3953. 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]];
  3954. break;
  3955. case 4:
  3956. 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]];
  3957. break;
  3958. case 5:
  3959. 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]];
  3960. break;
  3961. case 6:
  3962. 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]];
  3963. break;
  3964. case 7:
  3965. 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]];
  3966. break;
  3967. case 8:
  3968. 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]];
  3969. break;
  3970. case 9:
  3971. 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]];
  3972. break;
  3973. case 10:
  3974. 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]];
  3975. break;
  3976. case 11:
  3977. 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]];
  3978. break;
  3979. case 12:
  3980. 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]];
  3981. break;
  3982. case 13:
  3983. 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]];
  3984. break;
  3985. case 14:
  3986. lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
  3987. break;
  3988. case 15:
  3989. 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]];
  3990. break;
  3991. default:
  3992. throw new Jbig2Error("standard table B.".concat(number, " does not exist"));
  3993. }
  3994. for (var i = 0, ii = lines.length; i < ii; i++) {
  3995. lines[i] = new HuffmanLine(lines[i]);
  3996. }
  3997. table = new HuffmanTable(lines, true);
  3998. standardTablesCache[number] = table;
  3999. return table;
  4000. }
  4001. function Reader(data, start, end) {
  4002. this.data = data;
  4003. this.start = start;
  4004. this.end = end;
  4005. this.position = start;
  4006. this.shift = -1;
  4007. this.currentByte = 0;
  4008. }
  4009. Reader.prototype = {
  4010. readBit: function readBit() {
  4011. if (this.shift < 0) {
  4012. if (this.position >= this.end) {
  4013. throw new Jbig2Error("end of data while reading bit");
  4014. }
  4015. this.currentByte = this.data[this.position++];
  4016. this.shift = 7;
  4017. }
  4018. var bit = this.currentByte >> this.shift & 1;
  4019. this.shift--;
  4020. return bit;
  4021. },
  4022. readBits: function readBits(numBits) {
  4023. var result = 0,
  4024. i;
  4025. for (i = numBits - 1; i >= 0; i--) {
  4026. result |= this.readBit() << i;
  4027. }
  4028. return result;
  4029. },
  4030. byteAlign: function byteAlign() {
  4031. this.shift = -1;
  4032. },
  4033. next: function next() {
  4034. if (this.position >= this.end) {
  4035. return -1;
  4036. }
  4037. return this.data[this.position++];
  4038. }
  4039. };
  4040. function getCustomHuffmanTable(index, referredTo, customTables) {
  4041. var currentIndex = 0;
  4042. for (var i = 0, ii = referredTo.length; i < ii; i++) {
  4043. var table = customTables[referredTo[i]];
  4044. if (table) {
  4045. if (index === currentIndex) {
  4046. return table;
  4047. }
  4048. currentIndex++;
  4049. }
  4050. }
  4051. throw new Jbig2Error("can't find custom Huffman table");
  4052. }
  4053. function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
  4054. var codes = [];
  4055. for (var i = 0; i <= 34; i++) {
  4056. var codeLength = reader.readBits(4);
  4057. codes.push(new HuffmanLine([i, codeLength, 0, 0]));
  4058. }
  4059. var runCodesTable = new HuffmanTable(codes, false);
  4060. codes.length = 0;
  4061. for (var _i3 = 0; _i3 < numberOfSymbols;) {
  4062. var _codeLength = runCodesTable.decode(reader);
  4063. if (_codeLength >= 32) {
  4064. var repeatedLength = void 0,
  4065. numberOfRepeats = void 0,
  4066. j = void 0;
  4067. switch (_codeLength) {
  4068. case 32:
  4069. if (_i3 === 0) {
  4070. throw new Jbig2Error("no previous value in symbol ID table");
  4071. }
  4072. numberOfRepeats = reader.readBits(2) + 3;
  4073. repeatedLength = codes[_i3 - 1].prefixLength;
  4074. break;
  4075. case 33:
  4076. numberOfRepeats = reader.readBits(3) + 3;
  4077. repeatedLength = 0;
  4078. break;
  4079. case 34:
  4080. numberOfRepeats = reader.readBits(7) + 11;
  4081. repeatedLength = 0;
  4082. break;
  4083. default:
  4084. throw new Jbig2Error("invalid code length in symbol ID table");
  4085. }
  4086. for (j = 0; j < numberOfRepeats; j++) {
  4087. codes.push(new HuffmanLine([_i3, repeatedLength, 0, 0]));
  4088. _i3++;
  4089. }
  4090. } else {
  4091. codes.push(new HuffmanLine([_i3, _codeLength, 0, 0]));
  4092. _i3++;
  4093. }
  4094. }
  4095. reader.byteAlign();
  4096. var symbolIDTable = new HuffmanTable(codes, false);
  4097. var customIndex = 0,
  4098. tableFirstS,
  4099. tableDeltaS,
  4100. tableDeltaT;
  4101. switch (textRegion.huffmanFS) {
  4102. case 0:
  4103. case 1:
  4104. tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
  4105. break;
  4106. case 3:
  4107. tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4108. customIndex++;
  4109. break;
  4110. default:
  4111. throw new Jbig2Error("invalid Huffman FS selector");
  4112. }
  4113. switch (textRegion.huffmanDS) {
  4114. case 0:
  4115. case 1:
  4116. case 2:
  4117. tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
  4118. break;
  4119. case 3:
  4120. tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4121. customIndex++;
  4122. break;
  4123. default:
  4124. throw new Jbig2Error("invalid Huffman DS selector");
  4125. }
  4126. switch (textRegion.huffmanDT) {
  4127. case 0:
  4128. case 1:
  4129. case 2:
  4130. tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
  4131. break;
  4132. case 3:
  4133. tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4134. customIndex++;
  4135. break;
  4136. default:
  4137. throw new Jbig2Error("invalid Huffman DT selector");
  4138. }
  4139. if (textRegion.refinement) {
  4140. throw new Jbig2Error("refinement with Huffman is not supported");
  4141. }
  4142. return {
  4143. symbolIDTable: symbolIDTable,
  4144. tableFirstS: tableFirstS,
  4145. tableDeltaS: tableDeltaS,
  4146. tableDeltaT: tableDeltaT
  4147. };
  4148. }
  4149. function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
  4150. var customIndex = 0,
  4151. tableDeltaHeight,
  4152. tableDeltaWidth;
  4153. switch (dictionary.huffmanDHSelector) {
  4154. case 0:
  4155. case 1:
  4156. tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
  4157. break;
  4158. case 3:
  4159. tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4160. customIndex++;
  4161. break;
  4162. default:
  4163. throw new Jbig2Error("invalid Huffman DH selector");
  4164. }
  4165. switch (dictionary.huffmanDWSelector) {
  4166. case 0:
  4167. case 1:
  4168. tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
  4169. break;
  4170. case 3:
  4171. tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4172. customIndex++;
  4173. break;
  4174. default:
  4175. throw new Jbig2Error("invalid Huffman DW selector");
  4176. }
  4177. var tableBitmapSize, tableAggregateInstances;
  4178. if (dictionary.bitmapSizeSelector) {
  4179. tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4180. customIndex++;
  4181. } else {
  4182. tableBitmapSize = getStandardTable(1);
  4183. }
  4184. if (dictionary.aggregationInstancesSelector) {
  4185. tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
  4186. } else {
  4187. tableAggregateInstances = getStandardTable(1);
  4188. }
  4189. return {
  4190. tableDeltaHeight: tableDeltaHeight,
  4191. tableDeltaWidth: tableDeltaWidth,
  4192. tableBitmapSize: tableBitmapSize,
  4193. tableAggregateInstances: tableAggregateInstances
  4194. };
  4195. }
  4196. function readUncompressedBitmap(reader, width, height) {
  4197. var bitmap = [];
  4198. for (var y = 0; y < height; y++) {
  4199. var row = new Uint8Array(width);
  4200. bitmap.push(row);
  4201. for (var x = 0; x < width; x++) {
  4202. row[x] = reader.readBit();
  4203. }
  4204. reader.byteAlign();
  4205. }
  4206. return bitmap;
  4207. }
  4208. function decodeMMRBitmap(input, width, height, endOfBlock) {
  4209. var params = {
  4210. K: -1,
  4211. Columns: width,
  4212. Rows: height,
  4213. BlackIs1: true,
  4214. EndOfBlock: endOfBlock
  4215. };
  4216. var decoder = new _ccitt.CCITTFaxDecoder(input, params);
  4217. var bitmap = [];
  4218. var currentByte,
  4219. eof = false;
  4220. for (var y = 0; y < height; y++) {
  4221. var row = new Uint8Array(width);
  4222. bitmap.push(row);
  4223. var shift = -1;
  4224. for (var x = 0; x < width; x++) {
  4225. if (shift < 0) {
  4226. currentByte = decoder.readNextChar();
  4227. if (currentByte === -1) {
  4228. currentByte = 0;
  4229. eof = true;
  4230. }
  4231. shift = 7;
  4232. }
  4233. row[x] = currentByte >> shift & 1;
  4234. shift--;
  4235. }
  4236. }
  4237. if (endOfBlock && !eof) {
  4238. var lookForEOFLimit = 5;
  4239. for (var i = 0; i < lookForEOFLimit; i++) {
  4240. if (decoder.readNextChar() === -1) {
  4241. break;
  4242. }
  4243. }
  4244. }
  4245. return bitmap;
  4246. }
  4247. function Jbig2Image() {}
  4248. Jbig2Image.prototype = {
  4249. parseChunks: function parseChunks(chunks) {
  4250. return parseJbig2Chunks(chunks);
  4251. },
  4252. parse: function parse(data) {
  4253. var _parseJbig = parseJbig2(data),
  4254. imgData = _parseJbig.imgData,
  4255. width = _parseJbig.width,
  4256. height = _parseJbig.height;
  4257. this.width = width;
  4258. this.height = height;
  4259. return imgData;
  4260. }
  4261. };
  4262. return Jbig2Image;
  4263. }();
  4264. exports.Jbig2Image = Jbig2Image;
  4265. /***/ }),
  4266. /* 96 */
  4267. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  4268. "use strict";
  4269. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  4270. Object.defineProperty(exports, "__esModule", ({
  4271. value: true
  4272. }));
  4273. exports.collectActions = collectActions;
  4274. exports.encodeToXmlString = encodeToXmlString;
  4275. exports.escapePDFName = escapePDFName;
  4276. exports.getArrayLookupTableFactory = getArrayLookupTableFactory;
  4277. exports.getInheritableProperty = getInheritableProperty;
  4278. exports.getLookupTableFactory = getLookupTableFactory;
  4279. exports.isWhiteSpace = isWhiteSpace;
  4280. exports.log2 = log2;
  4281. exports.parseXFAPath = parseXFAPath;
  4282. exports.readInt8 = readInt8;
  4283. exports.readUint16 = readUint16;
  4284. exports.readUint32 = readUint32;
  4285. exports.toRomanNumerals = toRomanNumerals;
  4286. exports.XRefParseException = exports.XRefEntryException = exports.MissingDataException = void 0;
  4287. var _util = __w_pdfjs_require__(1);
  4288. var _primitives = __w_pdfjs_require__(97);
  4289. function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { 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 = o[Symbol.iterator](); }, 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; } } }; }
  4290. 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); }
  4291. 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; }
  4292. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  4293. 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 } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  4294. function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  4295. 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); }; }
  4296. function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  4297. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  4298. 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; } }
  4299. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  4300. function getLookupTableFactory(initializer) {
  4301. var lookup;
  4302. return function () {
  4303. if (initializer) {
  4304. lookup = Object.create(null);
  4305. initializer(lookup);
  4306. initializer = null;
  4307. }
  4308. return lookup;
  4309. };
  4310. }
  4311. function getArrayLookupTableFactory(initializer) {
  4312. var lookup;
  4313. return function () {
  4314. if (initializer) {
  4315. var arr = initializer();
  4316. initializer = null;
  4317. lookup = Object.create(null);
  4318. for (var i = 0, ii = arr.length; i < ii; i += 2) {
  4319. lookup[arr[i]] = arr[i + 1];
  4320. }
  4321. arr = null;
  4322. }
  4323. return lookup;
  4324. };
  4325. }
  4326. var MissingDataException = /*#__PURE__*/function (_BaseException) {
  4327. _inherits(MissingDataException, _BaseException);
  4328. var _super = _createSuper(MissingDataException);
  4329. function MissingDataException(begin, end) {
  4330. var _this;
  4331. _classCallCheck(this, MissingDataException);
  4332. _this = _super.call(this, "Missing data [".concat(begin, ", ").concat(end, ")"));
  4333. _this.begin = begin;
  4334. _this.end = end;
  4335. return _this;
  4336. }
  4337. return MissingDataException;
  4338. }(_util.BaseException);
  4339. exports.MissingDataException = MissingDataException;
  4340. var XRefEntryException = /*#__PURE__*/function (_BaseException2) {
  4341. _inherits(XRefEntryException, _BaseException2);
  4342. var _super2 = _createSuper(XRefEntryException);
  4343. function XRefEntryException() {
  4344. _classCallCheck(this, XRefEntryException);
  4345. return _super2.apply(this, arguments);
  4346. }
  4347. return XRefEntryException;
  4348. }(_util.BaseException);
  4349. exports.XRefEntryException = XRefEntryException;
  4350. var XRefParseException = /*#__PURE__*/function (_BaseException3) {
  4351. _inherits(XRefParseException, _BaseException3);
  4352. var _super3 = _createSuper(XRefParseException);
  4353. function XRefParseException() {
  4354. _classCallCheck(this, XRefParseException);
  4355. return _super3.apply(this, arguments);
  4356. }
  4357. return XRefParseException;
  4358. }(_util.BaseException);
  4359. exports.XRefParseException = XRefParseException;
  4360. function getInheritableProperty(_ref) {
  4361. var dict = _ref.dict,
  4362. key = _ref.key,
  4363. _ref$getArray = _ref.getArray,
  4364. getArray = _ref$getArray === void 0 ? false : _ref$getArray,
  4365. _ref$stopWhenFound = _ref.stopWhenFound,
  4366. stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound;
  4367. var values;
  4368. var visited = new _primitives.RefSet();
  4369. while (dict instanceof _primitives.Dict && !(dict.objId && visited.has(dict.objId))) {
  4370. if (dict.objId) {
  4371. visited.put(dict.objId);
  4372. }
  4373. var value = getArray ? dict.getArray(key) : dict.get(key);
  4374. if (value !== undefined) {
  4375. if (stopWhenFound) {
  4376. return value;
  4377. }
  4378. if (!values) {
  4379. values = [];
  4380. }
  4381. values.push(value);
  4382. }
  4383. dict = dict.get("Parent");
  4384. }
  4385. return values;
  4386. }
  4387. 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"];
  4388. function toRomanNumerals(number) {
  4389. var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  4390. (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
  4391. var romanBuf = [];
  4392. var pos;
  4393. while (number >= 1000) {
  4394. number -= 1000;
  4395. romanBuf.push("M");
  4396. }
  4397. pos = number / 100 | 0;
  4398. number %= 100;
  4399. romanBuf.push(ROMAN_NUMBER_MAP[pos]);
  4400. pos = number / 10 | 0;
  4401. number %= 10;
  4402. romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
  4403. romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
  4404. var romanStr = romanBuf.join("");
  4405. return lowerCase ? romanStr.toLowerCase() : romanStr;
  4406. }
  4407. function log2(x) {
  4408. if (x <= 0) {
  4409. return 0;
  4410. }
  4411. return Math.ceil(Math.log2(x));
  4412. }
  4413. function readInt8(data, offset) {
  4414. return data[offset] << 24 >> 24;
  4415. }
  4416. function readUint16(data, offset) {
  4417. return data[offset] << 8 | data[offset + 1];
  4418. }
  4419. function readUint32(data, offset) {
  4420. return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
  4421. }
  4422. function isWhiteSpace(ch) {
  4423. return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
  4424. }
  4425. function parseXFAPath(path) {
  4426. var positionPattern = /(.+)\[([0-9]+)\]$/;
  4427. return path.split(".").map(function (component) {
  4428. var m = component.match(positionPattern);
  4429. if (m) {
  4430. return {
  4431. name: m[1],
  4432. pos: parseInt(m[2], 10)
  4433. };
  4434. }
  4435. return {
  4436. name: component,
  4437. pos: 0
  4438. };
  4439. });
  4440. }
  4441. function escapePDFName(str) {
  4442. var buffer = [];
  4443. var start = 0;
  4444. for (var i = 0, ii = str.length; i < ii; i++) {
  4445. var _char = str.charCodeAt(i);
  4446. 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) {
  4447. if (start < i) {
  4448. buffer.push(str.substring(start, i));
  4449. }
  4450. buffer.push("#".concat(_char.toString(16)));
  4451. start = i + 1;
  4452. }
  4453. }
  4454. if (buffer.length === 0) {
  4455. return str;
  4456. }
  4457. if (start < str.length) {
  4458. buffer.push(str.substring(start, str.length));
  4459. }
  4460. return buffer.join("");
  4461. }
  4462. function _collectJS(entry, xref, list, parents) {
  4463. if (!entry) {
  4464. return;
  4465. }
  4466. var parent = null;
  4467. if ((0, _primitives.isRef)(entry)) {
  4468. if (parents.has(entry)) {
  4469. return;
  4470. }
  4471. parent = entry;
  4472. parents.put(parent);
  4473. entry = xref.fetch(entry);
  4474. }
  4475. if (Array.isArray(entry)) {
  4476. var _iterator = _createForOfIteratorHelper(entry),
  4477. _step;
  4478. try {
  4479. for (_iterator.s(); !(_step = _iterator.n()).done;) {
  4480. var element = _step.value;
  4481. _collectJS(element, xref, list, parents);
  4482. }
  4483. } catch (err) {
  4484. _iterator.e(err);
  4485. } finally {
  4486. _iterator.f();
  4487. }
  4488. } else if (entry instanceof _primitives.Dict) {
  4489. if ((0, _primitives.isName)(entry.get("S"), "JavaScript") && entry.has("JS")) {
  4490. var js = entry.get("JS");
  4491. var code;
  4492. if ((0, _primitives.isStream)(js)) {
  4493. code = (0, _util.bytesToString)(js.getBytes());
  4494. } else {
  4495. code = js;
  4496. }
  4497. code = (0, _util.stringToPDFString)(code);
  4498. if (code) {
  4499. list.push(code);
  4500. }
  4501. }
  4502. _collectJS(entry.getRaw("Next"), xref, list, parents);
  4503. }
  4504. if (parent) {
  4505. parents.remove(parent);
  4506. }
  4507. }
  4508. function collectActions(xref, dict, eventType) {
  4509. var actions = Object.create(null);
  4510. var additionalActionsDicts = getInheritableProperty({
  4511. dict: dict,
  4512. key: "AA",
  4513. stopWhenFound: false
  4514. });
  4515. if (additionalActionsDicts) {
  4516. for (var i = additionalActionsDicts.length - 1; i >= 0; i--) {
  4517. var additionalActions = additionalActionsDicts[i];
  4518. if (!(additionalActions instanceof _primitives.Dict)) {
  4519. continue;
  4520. }
  4521. var _iterator2 = _createForOfIteratorHelper(additionalActions.getKeys()),
  4522. _step2;
  4523. try {
  4524. for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
  4525. var key = _step2.value;
  4526. var action = eventType[key];
  4527. if (!action) {
  4528. continue;
  4529. }
  4530. var actionDict = additionalActions.getRaw(key);
  4531. var parents = new _primitives.RefSet();
  4532. var list = [];
  4533. _collectJS(actionDict, xref, list, parents);
  4534. if (list.length > 0) {
  4535. actions[action] = list;
  4536. }
  4537. }
  4538. } catch (err) {
  4539. _iterator2.e(err);
  4540. } finally {
  4541. _iterator2.f();
  4542. }
  4543. }
  4544. }
  4545. if (dict.has("A")) {
  4546. var _actionDict = dict.get("A");
  4547. var _parents = new _primitives.RefSet();
  4548. var _list = [];
  4549. _collectJS(_actionDict, xref, _list, _parents);
  4550. if (_list.length > 0) {
  4551. actions.Action = _list;
  4552. }
  4553. }
  4554. return (0, _util.objectSize)(actions) > 0 ? actions : null;
  4555. }
  4556. var XMLEntities = {
  4557. 0x3c: "&lt;",
  4558. 0x3e: "&gt;",
  4559. 0x26: "&amp;",
  4560. 0x22: "&quot;",
  4561. 0x27: "&apos;"
  4562. };
  4563. function encodeToXmlString(str) {
  4564. var buffer = [];
  4565. var start = 0;
  4566. for (var i = 0, ii = str.length; i < ii; i++) {
  4567. var _char2 = str.codePointAt(i);
  4568. if (0x20 <= _char2 && _char2 <= 0x7e) {
  4569. var entity = XMLEntities[_char2];
  4570. if (entity) {
  4571. if (start < i) {
  4572. buffer.push(str.substring(start, i));
  4573. }
  4574. buffer.push(entity);
  4575. start = i + 1;
  4576. }
  4577. } else {
  4578. if (start < i) {
  4579. buffer.push(str.substring(start, i));
  4580. }
  4581. buffer.push("&#x".concat(_char2.toString(16).toUpperCase(), ";"));
  4582. if (_char2 > 0xd7ff && (_char2 < 0xe000 || _char2 > 0xfffd)) {
  4583. i++;
  4584. }
  4585. start = i + 1;
  4586. }
  4587. }
  4588. if (buffer.length === 0) {
  4589. return str;
  4590. }
  4591. if (start < str.length) {
  4592. buffer.push(str.substring(start, str.length));
  4593. }
  4594. return buffer.join("");
  4595. }
  4596. /***/ }),
  4597. /* 97 */
  4598. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  4599. "use strict";
  4600. Object.defineProperty(exports, "__esModule", ({
  4601. value: true
  4602. }));
  4603. exports.clearPrimitiveCaches = clearPrimitiveCaches;
  4604. exports.isCmd = isCmd;
  4605. exports.isDict = isDict;
  4606. exports.isEOF = isEOF;
  4607. exports.isName = isName;
  4608. exports.isRef = isRef;
  4609. exports.isRefsEqual = isRefsEqual;
  4610. exports.isStream = isStream;
  4611. exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.EOF = exports.Dict = exports.Cmd = void 0;
  4612. var _regenerator = _interopRequireDefault(__w_pdfjs_require__(98));
  4613. var _util = __w_pdfjs_require__(1);
  4614. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  4615. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  4616. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  4617. 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); } }
  4618. function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  4619. function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
  4620. 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."); }
  4621. function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  4622. function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  4623. function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { 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 = o[Symbol.iterator](); }, 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; } } }; }
  4624. 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); }
  4625. 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; }
  4626. 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); } }
  4627. 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); }); }; }
  4628. var EOF = {};
  4629. exports.EOF = EOF;
  4630. var Name = function NameClosure() {
  4631. var nameCache = Object.create(null);
  4632. function Name(name) {
  4633. this.name = name;
  4634. }
  4635. Name.prototype = {};
  4636. Name.get = function Name_get(name) {
  4637. var nameValue = nameCache[name];
  4638. return nameValue ? nameValue : nameCache[name] = new Name(name);
  4639. };
  4640. Name._clearCache = function () {
  4641. nameCache = Object.create(null);
  4642. };
  4643. return Name;
  4644. }();
  4645. exports.Name = Name;
  4646. var Cmd = function CmdClosure() {
  4647. var cmdCache = Object.create(null);
  4648. function Cmd(cmd) {
  4649. this.cmd = cmd;
  4650. }
  4651. Cmd.prototype = {};
  4652. Cmd.get = function Cmd_get(cmd) {
  4653. var cmdValue = cmdCache[cmd];
  4654. return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
  4655. };
  4656. Cmd._clearCache = function () {
  4657. cmdCache = Object.create(null);
  4658. };
  4659. return Cmd;
  4660. }();
  4661. exports.Cmd = Cmd;
  4662. var Dict = function DictClosure() {
  4663. var nonSerializable = function nonSerializableClosure() {
  4664. return nonSerializable;
  4665. };
  4666. function Dict(xref) {
  4667. this._map = Object.create(null);
  4668. this.xref = xref;
  4669. this.objId = null;
  4670. this.suppressEncryption = false;
  4671. this.__nonSerializable__ = nonSerializable;
  4672. }
  4673. Dict.prototype = {
  4674. assignXref: function Dict_assignXref(newXref) {
  4675. this.xref = newXref;
  4676. },
  4677. get size() {
  4678. return Object.keys(this._map).length;
  4679. },
  4680. get: function get(key1, key2, key3) {
  4681. var value = this._map[key1];
  4682. if (value === undefined && key2 !== undefined) {
  4683. value = this._map[key2];
  4684. if (value === undefined && key3 !== undefined) {
  4685. value = this._map[key3];
  4686. }
  4687. }
  4688. if (value instanceof Ref && this.xref) {
  4689. return this.xref.fetch(value, this.suppressEncryption);
  4690. }
  4691. return value;
  4692. },
  4693. getAsync: function getAsync(key1, key2, key3) {
  4694. var _this = this;
  4695. return _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee() {
  4696. var value;
  4697. return _regenerator["default"].wrap(function _callee$(_context) {
  4698. while (1) {
  4699. switch (_context.prev = _context.next) {
  4700. case 0:
  4701. value = _this._map[key1];
  4702. if (value === undefined && key2 !== undefined) {
  4703. value = _this._map[key2];
  4704. if (value === undefined && key3 !== undefined) {
  4705. value = _this._map[key3];
  4706. }
  4707. }
  4708. if (!(value instanceof Ref && _this.xref)) {
  4709. _context.next = 4;
  4710. break;
  4711. }
  4712. return _context.abrupt("return", _this.xref.fetchAsync(value, _this.suppressEncryption));
  4713. case 4:
  4714. return _context.abrupt("return", value);
  4715. case 5:
  4716. case "end":
  4717. return _context.stop();
  4718. }
  4719. }
  4720. }, _callee);
  4721. }))();
  4722. },
  4723. getArray: function getArray(key1, key2, key3) {
  4724. var value = this.get(key1, key2, key3);
  4725. if (!Array.isArray(value) || !this.xref) {
  4726. return value;
  4727. }
  4728. value = value.slice();
  4729. for (var i = 0, ii = value.length; i < ii; i++) {
  4730. if (!(value[i] instanceof Ref)) {
  4731. continue;
  4732. }
  4733. value[i] = this.xref.fetch(value[i], this.suppressEncryption);
  4734. }
  4735. return value;
  4736. },
  4737. getRaw: function Dict_getRaw(key) {
  4738. return this._map[key];
  4739. },
  4740. getKeys: function Dict_getKeys() {
  4741. return Object.keys(this._map);
  4742. },
  4743. getRawValues: function Dict_getRawValues() {
  4744. return Object.values(this._map);
  4745. },
  4746. set: function Dict_set(key, value) {
  4747. this._map[key] = value;
  4748. },
  4749. has: function Dict_has(key) {
  4750. return this._map[key] !== undefined;
  4751. },
  4752. forEach: function Dict_forEach(callback) {
  4753. for (var key in this._map) {
  4754. callback(key, this.get(key));
  4755. }
  4756. }
  4757. };
  4758. Dict.empty = function () {
  4759. var emptyDict = new Dict(null);
  4760. emptyDict.set = function (key, value) {
  4761. (0, _util.unreachable)("Should not call `set` on the empty dictionary.");
  4762. };
  4763. return emptyDict;
  4764. }();
  4765. Dict.merge = function (_ref) {
  4766. var xref = _ref.xref,
  4767. dictArray = _ref.dictArray,
  4768. _ref$mergeSubDicts = _ref.mergeSubDicts,
  4769. mergeSubDicts = _ref$mergeSubDicts === void 0 ? false : _ref$mergeSubDicts;
  4770. var mergedDict = new Dict(xref);
  4771. if (!mergeSubDicts) {
  4772. var _iterator = _createForOfIteratorHelper(dictArray),
  4773. _step;
  4774. try {
  4775. for (_iterator.s(); !(_step = _iterator.n()).done;) {
  4776. var dict = _step.value;
  4777. if (!(dict instanceof Dict)) {
  4778. continue;
  4779. }
  4780. for (var _i = 0, _Object$entries = Object.entries(dict._map); _i < _Object$entries.length; _i++) {
  4781. var _Object$entries$_i = _slicedToArray(_Object$entries[_i], 2),
  4782. key = _Object$entries$_i[0],
  4783. value = _Object$entries$_i[1];
  4784. if (mergedDict._map[key] === undefined) {
  4785. mergedDict._map[key] = value;
  4786. }
  4787. }
  4788. }
  4789. } catch (err) {
  4790. _iterator.e(err);
  4791. } finally {
  4792. _iterator.f();
  4793. }
  4794. return mergedDict.size > 0 ? mergedDict : Dict.empty;
  4795. }
  4796. var properties = new Map();
  4797. var _iterator2 = _createForOfIteratorHelper(dictArray),
  4798. _step2;
  4799. try {
  4800. for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
  4801. var _dict = _step2.value;
  4802. if (!(_dict instanceof Dict)) {
  4803. continue;
  4804. }
  4805. for (var _i2 = 0, _Object$entries2 = Object.entries(_dict._map); _i2 < _Object$entries2.length; _i2++) {
  4806. var _Object$entries2$_i = _slicedToArray(_Object$entries2[_i2], 2),
  4807. _key = _Object$entries2$_i[0],
  4808. _value = _Object$entries2$_i[1];
  4809. var property = properties.get(_key);
  4810. if (property === undefined) {
  4811. property = [];
  4812. properties.set(_key, property);
  4813. }
  4814. property.push(_value);
  4815. }
  4816. }
  4817. } catch (err) {
  4818. _iterator2.e(err);
  4819. } finally {
  4820. _iterator2.f();
  4821. }
  4822. var _iterator3 = _createForOfIteratorHelper(properties),
  4823. _step3;
  4824. try {
  4825. for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
  4826. var _step3$value = _slicedToArray(_step3.value, 2),
  4827. name = _step3$value[0],
  4828. values = _step3$value[1];
  4829. if (values.length === 1 || !(values[0] instanceof Dict)) {
  4830. mergedDict._map[name] = values[0];
  4831. continue;
  4832. }
  4833. var subDict = new Dict(xref);
  4834. var _iterator4 = _createForOfIteratorHelper(values),
  4835. _step4;
  4836. try {
  4837. for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
  4838. var _dict2 = _step4.value;
  4839. if (!(_dict2 instanceof Dict)) {
  4840. continue;
  4841. }
  4842. for (var _i3 = 0, _Object$entries3 = Object.entries(_dict2._map); _i3 < _Object$entries3.length; _i3++) {
  4843. var _Object$entries3$_i = _slicedToArray(_Object$entries3[_i3], 2),
  4844. _key2 = _Object$entries3$_i[0],
  4845. _value2 = _Object$entries3$_i[1];
  4846. if (subDict._map[_key2] === undefined) {
  4847. subDict._map[_key2] = _value2;
  4848. }
  4849. }
  4850. }
  4851. } catch (err) {
  4852. _iterator4.e(err);
  4853. } finally {
  4854. _iterator4.f();
  4855. }
  4856. if (subDict.size > 0) {
  4857. mergedDict._map[name] = subDict;
  4858. }
  4859. }
  4860. } catch (err) {
  4861. _iterator3.e(err);
  4862. } finally {
  4863. _iterator3.f();
  4864. }
  4865. properties.clear();
  4866. return mergedDict.size > 0 ? mergedDict : Dict.empty;
  4867. };
  4868. return Dict;
  4869. }();
  4870. exports.Dict = Dict;
  4871. var Ref = function RefClosure() {
  4872. var refCache = Object.create(null);
  4873. function Ref(num, gen) {
  4874. this.num = num;
  4875. this.gen = gen;
  4876. }
  4877. Ref.prototype = {
  4878. toString: function Ref_toString() {
  4879. if (this.gen === 0) {
  4880. return "".concat(this.num, "R");
  4881. }
  4882. return "".concat(this.num, "R").concat(this.gen);
  4883. }
  4884. };
  4885. Ref.get = function (num, gen) {
  4886. var key = gen === 0 ? "".concat(num, "R") : "".concat(num, "R").concat(gen);
  4887. var refValue = refCache[key];
  4888. return refValue ? refValue : refCache[key] = new Ref(num, gen);
  4889. };
  4890. Ref._clearCache = function () {
  4891. refCache = Object.create(null);
  4892. };
  4893. return Ref;
  4894. }();
  4895. exports.Ref = Ref;
  4896. var RefSet = /*#__PURE__*/function () {
  4897. function RefSet() {
  4898. var parent = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  4899. _classCallCheck(this, RefSet);
  4900. this._set = new Set(parent && parent._set);
  4901. }
  4902. _createClass(RefSet, [{
  4903. key: "has",
  4904. value: function has(ref) {
  4905. return this._set.has(ref.toString());
  4906. }
  4907. }, {
  4908. key: "put",
  4909. value: function put(ref) {
  4910. this._set.add(ref.toString());
  4911. }
  4912. }, {
  4913. key: "remove",
  4914. value: function remove(ref) {
  4915. this._set["delete"](ref.toString());
  4916. }
  4917. }, {
  4918. key: "forEach",
  4919. value: function forEach(callback) {
  4920. var _iterator5 = _createForOfIteratorHelper(this._set.values()),
  4921. _step5;
  4922. try {
  4923. for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
  4924. var ref = _step5.value;
  4925. callback(ref);
  4926. }
  4927. } catch (err) {
  4928. _iterator5.e(err);
  4929. } finally {
  4930. _iterator5.f();
  4931. }
  4932. }
  4933. }, {
  4934. key: "clear",
  4935. value: function clear() {
  4936. this._set.clear();
  4937. }
  4938. }]);
  4939. return RefSet;
  4940. }();
  4941. exports.RefSet = RefSet;
  4942. var RefSetCache = /*#__PURE__*/function () {
  4943. function RefSetCache() {
  4944. _classCallCheck(this, RefSetCache);
  4945. this._map = new Map();
  4946. }
  4947. _createClass(RefSetCache, [{
  4948. key: "size",
  4949. get: function get() {
  4950. return this._map.size;
  4951. }
  4952. }, {
  4953. key: "get",
  4954. value: function get(ref) {
  4955. return this._map.get(ref.toString());
  4956. }
  4957. }, {
  4958. key: "has",
  4959. value: function has(ref) {
  4960. return this._map.has(ref.toString());
  4961. }
  4962. }, {
  4963. key: "put",
  4964. value: function put(ref, obj) {
  4965. this._map.set(ref.toString(), obj);
  4966. }
  4967. }, {
  4968. key: "putAlias",
  4969. value: function putAlias(ref, aliasRef) {
  4970. this._map.set(ref.toString(), this.get(aliasRef));
  4971. }
  4972. }, {
  4973. key: "forEach",
  4974. value: function forEach(callback) {
  4975. var _iterator6 = _createForOfIteratorHelper(this._map.values()),
  4976. _step6;
  4977. try {
  4978. for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {
  4979. var value = _step6.value;
  4980. callback(value);
  4981. }
  4982. } catch (err) {
  4983. _iterator6.e(err);
  4984. } finally {
  4985. _iterator6.f();
  4986. }
  4987. }
  4988. }, {
  4989. key: "clear",
  4990. value: function clear() {
  4991. this._map.clear();
  4992. }
  4993. }]);
  4994. return RefSetCache;
  4995. }();
  4996. exports.RefSetCache = RefSetCache;
  4997. function isEOF(v) {
  4998. return v === EOF;
  4999. }
  5000. function isName(v, name) {
  5001. return v instanceof Name && (name === undefined || v.name === name);
  5002. }
  5003. function isCmd(v, cmd) {
  5004. return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
  5005. }
  5006. function isDict(v, type) {
  5007. return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
  5008. }
  5009. function isRef(v) {
  5010. return v instanceof Ref;
  5011. }
  5012. function isRefsEqual(v1, v2) {
  5013. return v1.num === v2.num && v1.gen === v2.gen;
  5014. }
  5015. function isStream(v) {
  5016. return _typeof(v) === "object" && v !== null && v.getBytes !== undefined;
  5017. }
  5018. function clearPrimitiveCaches() {
  5019. Cmd._clearCache();
  5020. Name._clearCache();
  5021. Ref._clearCache();
  5022. }
  5023. /***/ }),
  5024. /* 98 */
  5025. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  5026. "use strict";
  5027. module.exports = __w_pdfjs_require__(99);
  5028. /***/ }),
  5029. /* 99 */
  5030. /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
  5031. "use strict";
  5032. /* module decorator */ module = __w_pdfjs_require__.nmd(module);
  5033. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  5034. var runtime = function (exports) {
  5035. "use strict";
  5036. var Op = Object.prototype;
  5037. var hasOwn = Op.hasOwnProperty;
  5038. var undefined;
  5039. var $Symbol = typeof Symbol === "function" ? Symbol : {};
  5040. var iteratorSymbol = $Symbol.iterator || "@@iterator";
  5041. var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  5042. var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
  5043. function define(obj, key, value) {
  5044. Object.defineProperty(obj, key, {
  5045. value: value,
  5046. enumerable: true,
  5047. configurable: true,
  5048. writable: true
  5049. });
  5050. return obj[key];
  5051. }
  5052. try {
  5053. define({}, "");
  5054. } catch (err) {
  5055. define = function define(obj, key, value) {
  5056. return obj[key] = value;
  5057. };
  5058. }
  5059. function wrap(innerFn, outerFn, self, tryLocsList) {
  5060. var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
  5061. var generator = Object.create(protoGenerator.prototype);
  5062. var context = new Context(tryLocsList || []);
  5063. generator._invoke = makeInvokeMethod(innerFn, self, context);
  5064. return generator;
  5065. }
  5066. exports.wrap = wrap;
  5067. function tryCatch(fn, obj, arg) {
  5068. try {
  5069. return {
  5070. type: "normal",
  5071. arg: fn.call(obj, arg)
  5072. };
  5073. } catch (err) {
  5074. return {
  5075. type: "throw",
  5076. arg: err
  5077. };
  5078. }
  5079. }
  5080. var GenStateSuspendedStart = "suspendedStart";
  5081. var GenStateSuspendedYield = "suspendedYield";
  5082. var GenStateExecuting = "executing";
  5083. var GenStateCompleted = "completed";
  5084. var ContinueSentinel = {};
  5085. function Generator() {}
  5086. function GeneratorFunction() {}
  5087. function GeneratorFunctionPrototype() {}
  5088. var IteratorPrototype = {};
  5089. IteratorPrototype[iteratorSymbol] = function () {
  5090. return this;
  5091. };
  5092. var getProto = Object.getPrototypeOf;
  5093. var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  5094. if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
  5095. IteratorPrototype = NativeIteratorPrototype;
  5096. }
  5097. var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
  5098. GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  5099. GeneratorFunctionPrototype.constructor = GeneratorFunction;
  5100. GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");
  5101. function defineIteratorMethods(prototype) {
  5102. ["next", "throw", "return"].forEach(function (method) {
  5103. define(prototype, method, function (arg) {
  5104. return this._invoke(method, arg);
  5105. });
  5106. });
  5107. }
  5108. exports.isGeneratorFunction = function (genFun) {
  5109. var ctor = typeof genFun === "function" && genFun.constructor;
  5110. return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
  5111. };
  5112. exports.mark = function (genFun) {
  5113. if (Object.setPrototypeOf) {
  5114. Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
  5115. } else {
  5116. genFun.__proto__ = GeneratorFunctionPrototype;
  5117. define(genFun, toStringTagSymbol, "GeneratorFunction");
  5118. }
  5119. genFun.prototype = Object.create(Gp);
  5120. return genFun;
  5121. };
  5122. exports.awrap = function (arg) {
  5123. return {
  5124. __await: arg
  5125. };
  5126. };
  5127. function AsyncIterator(generator, PromiseImpl) {
  5128. function invoke(method, arg, resolve, reject) {
  5129. var record = tryCatch(generator[method], generator, arg);
  5130. if (record.type === "throw") {
  5131. reject(record.arg);
  5132. } else {
  5133. var result = record.arg;
  5134. var value = result.value;
  5135. if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
  5136. return PromiseImpl.resolve(value.__await).then(function (value) {
  5137. invoke("next", value, resolve, reject);
  5138. }, function (err) {
  5139. invoke("throw", err, resolve, reject);
  5140. });
  5141. }
  5142. return PromiseImpl.resolve(value).then(function (unwrapped) {
  5143. result.value = unwrapped;
  5144. resolve(result);
  5145. }, function (error) {
  5146. return invoke("throw", error, resolve, reject);
  5147. });
  5148. }
  5149. }
  5150. var previousPromise;
  5151. function enqueue(method, arg) {
  5152. function callInvokeWithMethodAndArg() {
  5153. return new PromiseImpl(function (resolve, reject) {
  5154. invoke(method, arg, resolve, reject);
  5155. });
  5156. }
  5157. return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
  5158. }
  5159. this._invoke = enqueue;
  5160. }
  5161. defineIteratorMethods(AsyncIterator.prototype);
  5162. AsyncIterator.prototype[asyncIteratorSymbol] = function () {
  5163. return this;
  5164. };
  5165. exports.AsyncIterator = AsyncIterator;
  5166. exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
  5167. if (PromiseImpl === void 0) PromiseImpl = Promise;
  5168. var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
  5169. return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
  5170. return result.done ? result.value : iter.next();
  5171. });
  5172. };
  5173. function makeInvokeMethod(innerFn, self, context) {
  5174. var state = GenStateSuspendedStart;
  5175. return function invoke(method, arg) {
  5176. if (state === GenStateExecuting) {
  5177. throw new Error("Generator is already running");
  5178. }
  5179. if (state === GenStateCompleted) {
  5180. if (method === "throw") {
  5181. throw arg;
  5182. }
  5183. return doneResult();
  5184. }
  5185. context.method = method;
  5186. context.arg = arg;
  5187. while (true) {
  5188. var delegate = context.delegate;
  5189. if (delegate) {
  5190. var delegateResult = maybeInvokeDelegate(delegate, context);
  5191. if (delegateResult) {
  5192. if (delegateResult === ContinueSentinel) continue;
  5193. return delegateResult;
  5194. }
  5195. }
  5196. if (context.method === "next") {
  5197. context.sent = context._sent = context.arg;
  5198. } else if (context.method === "throw") {
  5199. if (state === GenStateSuspendedStart) {
  5200. state = GenStateCompleted;
  5201. throw context.arg;
  5202. }
  5203. context.dispatchException(context.arg);
  5204. } else if (context.method === "return") {
  5205. context.abrupt("return", context.arg);
  5206. }
  5207. state = GenStateExecuting;
  5208. var record = tryCatch(innerFn, self, context);
  5209. if (record.type === "normal") {
  5210. state = context.done ? GenStateCompleted : GenStateSuspendedYield;
  5211. if (record.arg === ContinueSentinel) {
  5212. continue;
  5213. }
  5214. return {
  5215. value: record.arg,
  5216. done: context.done
  5217. };
  5218. } else if (record.type === "throw") {
  5219. state = GenStateCompleted;
  5220. context.method = "throw";
  5221. context.arg = record.arg;
  5222. }
  5223. }
  5224. };
  5225. }
  5226. function maybeInvokeDelegate(delegate, context) {
  5227. var method = delegate.iterator[context.method];
  5228. if (method === undefined) {
  5229. context.delegate = null;
  5230. if (context.method === "throw") {
  5231. if (delegate.iterator["return"]) {
  5232. context.method = "return";
  5233. context.arg = undefined;
  5234. maybeInvokeDelegate(delegate, context);
  5235. if (context.method === "throw") {
  5236. return ContinueSentinel;
  5237. }
  5238. }
  5239. context.method = "throw";
  5240. context.arg = new TypeError("The iterator does not provide a 'throw' method");
  5241. }
  5242. return ContinueSentinel;
  5243. }
  5244. var record = tryCatch(method, delegate.iterator, context.arg);
  5245. if (record.type === "throw") {
  5246. context.method = "throw";
  5247. context.arg = record.arg;
  5248. context.delegate = null;
  5249. return ContinueSentinel;
  5250. }
  5251. var info = record.arg;
  5252. if (!info) {
  5253. context.method = "throw";
  5254. context.arg = new TypeError("iterator result is not an object");
  5255. context.delegate = null;
  5256. return ContinueSentinel;
  5257. }
  5258. if (info.done) {
  5259. context[delegate.resultName] = info.value;
  5260. context.next = delegate.nextLoc;
  5261. if (context.method !== "return") {
  5262. context.method = "next";
  5263. context.arg = undefined;
  5264. }
  5265. } else {
  5266. return info;
  5267. }
  5268. context.delegate = null;
  5269. return ContinueSentinel;
  5270. }
  5271. defineIteratorMethods(Gp);
  5272. define(Gp, toStringTagSymbol, "Generator");
  5273. Gp[iteratorSymbol] = function () {
  5274. return this;
  5275. };
  5276. Gp.toString = function () {
  5277. return "[object Generator]";
  5278. };
  5279. function pushTryEntry(locs) {
  5280. var entry = {
  5281. tryLoc: locs[0]
  5282. };
  5283. if (1 in locs) {
  5284. entry.catchLoc = locs[1];
  5285. }
  5286. if (2 in locs) {
  5287. entry.finallyLoc = locs[2];
  5288. entry.afterLoc = locs[3];
  5289. }
  5290. this.tryEntries.push(entry);
  5291. }
  5292. function resetTryEntry(entry) {
  5293. var record = entry.completion || {};
  5294. record.type = "normal";
  5295. delete record.arg;
  5296. entry.completion = record;
  5297. }
  5298. function Context(tryLocsList) {
  5299. this.tryEntries = [{
  5300. tryLoc: "root"
  5301. }];
  5302. tryLocsList.forEach(pushTryEntry, this);
  5303. this.reset(true);
  5304. }
  5305. exports.keys = function (object) {
  5306. var keys = [];
  5307. for (var key in object) {
  5308. keys.push(key);
  5309. }
  5310. keys.reverse();
  5311. return function next() {
  5312. while (keys.length) {
  5313. var key = keys.pop();
  5314. if (key in object) {
  5315. next.value = key;
  5316. next.done = false;
  5317. return next;
  5318. }
  5319. }
  5320. next.done = true;
  5321. return next;
  5322. };
  5323. };
  5324. function values(iterable) {
  5325. if (iterable) {
  5326. var iteratorMethod = iterable[iteratorSymbol];
  5327. if (iteratorMethod) {
  5328. return iteratorMethod.call(iterable);
  5329. }
  5330. if (typeof iterable.next === "function") {
  5331. return iterable;
  5332. }
  5333. if (!isNaN(iterable.length)) {
  5334. var i = -1,
  5335. next = function next() {
  5336. while (++i < iterable.length) {
  5337. if (hasOwn.call(iterable, i)) {
  5338. next.value = iterable[i];
  5339. next.done = false;
  5340. return next;
  5341. }
  5342. }
  5343. next.value = undefined;
  5344. next.done = true;
  5345. return next;
  5346. };
  5347. return next.next = next;
  5348. }
  5349. }
  5350. return {
  5351. next: doneResult
  5352. };
  5353. }
  5354. exports.values = values;
  5355. function doneResult() {
  5356. return {
  5357. value: undefined,
  5358. done: true
  5359. };
  5360. }
  5361. Context.prototype = {
  5362. constructor: Context,
  5363. reset: function reset(skipTempReset) {
  5364. this.prev = 0;
  5365. this.next = 0;
  5366. this.sent = this._sent = undefined;
  5367. this.done = false;
  5368. this.delegate = null;
  5369. this.method = "next";
  5370. this.arg = undefined;
  5371. this.tryEntries.forEach(resetTryEntry);
  5372. if (!skipTempReset) {
  5373. for (var name in this) {
  5374. if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
  5375. this[name] = undefined;
  5376. }
  5377. }
  5378. }
  5379. },
  5380. stop: function stop() {
  5381. this.done = true;
  5382. var rootEntry = this.tryEntries[0];
  5383. var rootRecord = rootEntry.completion;
  5384. if (rootRecord.type === "throw") {
  5385. throw rootRecord.arg;
  5386. }
  5387. return this.rval;
  5388. },
  5389. dispatchException: function dispatchException(exception) {
  5390. if (this.done) {
  5391. throw exception;
  5392. }
  5393. var context = this;
  5394. function handle(loc, caught) {
  5395. record.type = "throw";
  5396. record.arg = exception;
  5397. context.next = loc;
  5398. if (caught) {
  5399. context.method = "next";
  5400. context.arg = undefined;
  5401. }
  5402. return !!caught;
  5403. }
  5404. for (var i = this.tryEntries.length - 1; i >= 0; --i) {
  5405. var entry = this.tryEntries[i];
  5406. var record = entry.completion;
  5407. if (entry.tryLoc === "root") {
  5408. return handle("end");
  5409. }
  5410. if (entry.tryLoc <= this.prev) {
  5411. var hasCatch = hasOwn.call(entry, "catchLoc");
  5412. var hasFinally = hasOwn.call(entry, "finallyLoc");
  5413. if (hasCatch && hasFinally) {
  5414. if (this.prev < entry.catchLoc) {
  5415. return handle(entry.catchLoc, true);
  5416. } else if (this.prev < entry.finallyLoc) {
  5417. return handle(entry.finallyLoc);
  5418. }
  5419. } else if (hasCatch) {
  5420. if (this.prev < entry.catchLoc) {
  5421. return handle(entry.catchLoc, true);
  5422. }
  5423. } else if (hasFinally) {
  5424. if (this.prev < entry.finallyLoc) {
  5425. return handle(entry.finallyLoc);
  5426. }
  5427. } else {
  5428. throw new Error("try statement without catch or finally");
  5429. }
  5430. }
  5431. }
  5432. },
  5433. abrupt: function abrupt(type, arg) {
  5434. for (var i = this.tryEntries.length - 1; i >= 0; --i) {
  5435. var entry = this.tryEntries[i];
  5436. if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
  5437. var finallyEntry = entry;
  5438. break;
  5439. }
  5440. }
  5441. if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
  5442. finallyEntry = null;
  5443. }
  5444. var record = finallyEntry ? finallyEntry.completion : {};
  5445. record.type = type;
  5446. record.arg = arg;
  5447. if (finallyEntry) {
  5448. this.method = "next";
  5449. this.next = finallyEntry.finallyLoc;
  5450. return ContinueSentinel;
  5451. }
  5452. return this.complete(record);
  5453. },
  5454. complete: function complete(record, afterLoc) {
  5455. if (record.type === "throw") {
  5456. throw record.arg;
  5457. }
  5458. if (record.type === "break" || record.type === "continue") {
  5459. this.next = record.arg;
  5460. } else if (record.type === "return") {
  5461. this.rval = this.arg = record.arg;
  5462. this.method = "return";
  5463. this.next = "end";
  5464. } else if (record.type === "normal" && afterLoc) {
  5465. this.next = afterLoc;
  5466. }
  5467. return ContinueSentinel;
  5468. },
  5469. finish: function finish(finallyLoc) {
  5470. for (var i = this.tryEntries.length - 1; i >= 0; --i) {
  5471. var entry = this.tryEntries[i];
  5472. if (entry.finallyLoc === finallyLoc) {
  5473. this.complete(entry.completion, entry.afterLoc);
  5474. resetTryEntry(entry);
  5475. return ContinueSentinel;
  5476. }
  5477. }
  5478. },
  5479. "catch": function _catch(tryLoc) {
  5480. for (var i = this.tryEntries.length - 1; i >= 0; --i) {
  5481. var entry = this.tryEntries[i];
  5482. if (entry.tryLoc === tryLoc) {
  5483. var record = entry.completion;
  5484. if (record.type === "throw") {
  5485. var thrown = record.arg;
  5486. resetTryEntry(entry);
  5487. }
  5488. return thrown;
  5489. }
  5490. }
  5491. throw new Error("illegal catch attempt");
  5492. },
  5493. delegateYield: function delegateYield(iterable, resultName, nextLoc) {
  5494. this.delegate = {
  5495. iterator: values(iterable),
  5496. resultName: resultName,
  5497. nextLoc: nextLoc
  5498. };
  5499. if (this.method === "next") {
  5500. this.arg = undefined;
  5501. }
  5502. return ContinueSentinel;
  5503. }
  5504. };
  5505. return exports;
  5506. }(( false ? 0 : _typeof(module)) === "object" ? module.exports : {});
  5507. try {
  5508. regeneratorRuntime = runtime;
  5509. } catch (accidentalStrictMode) {
  5510. Function("r", "regeneratorRuntime = r")(runtime);
  5511. }
  5512. /***/ }),
  5513. /* 100 */
  5514. /***/ ((__unused_webpack_module, exports) => {
  5515. "use strict";
  5516. Object.defineProperty(exports, "__esModule", ({
  5517. value: true
  5518. }));
  5519. exports.ArithmeticDecoder = void 0;
  5520. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  5521. 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); } }
  5522. function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  5523. var QeTable = [{
  5524. qe: 0x5601,
  5525. nmps: 1,
  5526. nlps: 1,
  5527. switchFlag: 1
  5528. }, {
  5529. qe: 0x3401,
  5530. nmps: 2,
  5531. nlps: 6,
  5532. switchFlag: 0
  5533. }, {
  5534. qe: 0x1801,
  5535. nmps: 3,
  5536. nlps: 9,
  5537. switchFlag: 0
  5538. }, {
  5539. qe: 0x0ac1,
  5540. nmps: 4,
  5541. nlps: 12,
  5542. switchFlag: 0
  5543. }, {
  5544. qe: 0x0521,
  5545. nmps: 5,
  5546. nlps: 29,
  5547. switchFlag: 0
  5548. }, {
  5549. qe: 0x0221,
  5550. nmps: 38,
  5551. nlps: 33,
  5552. switchFlag: 0
  5553. }, {
  5554. qe: 0x5601,
  5555. nmps: 7,
  5556. nlps: 6,
  5557. switchFlag: 1
  5558. }, {
  5559. qe: 0x5401,
  5560. nmps: 8,
  5561. nlps: 14,
  5562. switchFlag: 0
  5563. }, {
  5564. qe: 0x4801,
  5565. nmps: 9,
  5566. nlps: 14,
  5567. switchFlag: 0
  5568. }, {
  5569. qe: 0x3801,
  5570. nmps: 10,
  5571. nlps: 14,
  5572. switchFlag: 0
  5573. }, {
  5574. qe: 0x3001,
  5575. nmps: 11,
  5576. nlps: 17,
  5577. switchFlag: 0
  5578. }, {
  5579. qe: 0x2401,
  5580. nmps: 12,
  5581. nlps: 18,
  5582. switchFlag: 0
  5583. }, {
  5584. qe: 0x1c01,
  5585. nmps: 13,
  5586. nlps: 20,
  5587. switchFlag: 0
  5588. }, {
  5589. qe: 0x1601,
  5590. nmps: 29,
  5591. nlps: 21,
  5592. switchFlag: 0
  5593. }, {
  5594. qe: 0x5601,
  5595. nmps: 15,
  5596. nlps: 14,
  5597. switchFlag: 1
  5598. }, {
  5599. qe: 0x5401,
  5600. nmps: 16,
  5601. nlps: 14,
  5602. switchFlag: 0
  5603. }, {
  5604. qe: 0x5101,
  5605. nmps: 17,
  5606. nlps: 15,
  5607. switchFlag: 0
  5608. }, {
  5609. qe: 0x4801,
  5610. nmps: 18,
  5611. nlps: 16,
  5612. switchFlag: 0
  5613. }, {
  5614. qe: 0x3801,
  5615. nmps: 19,
  5616. nlps: 17,
  5617. switchFlag: 0
  5618. }, {
  5619. qe: 0x3401,
  5620. nmps: 20,
  5621. nlps: 18,
  5622. switchFlag: 0
  5623. }, {
  5624. qe: 0x3001,
  5625. nmps: 21,
  5626. nlps: 19,
  5627. switchFlag: 0
  5628. }, {
  5629. qe: 0x2801,
  5630. nmps: 22,
  5631. nlps: 19,
  5632. switchFlag: 0
  5633. }, {
  5634. qe: 0x2401,
  5635. nmps: 23,
  5636. nlps: 20,
  5637. switchFlag: 0
  5638. }, {
  5639. qe: 0x2201,
  5640. nmps: 24,
  5641. nlps: 21,
  5642. switchFlag: 0
  5643. }, {
  5644. qe: 0x1c01,
  5645. nmps: 25,
  5646. nlps: 22,
  5647. switchFlag: 0
  5648. }, {
  5649. qe: 0x1801,
  5650. nmps: 26,
  5651. nlps: 23,
  5652. switchFlag: 0
  5653. }, {
  5654. qe: 0x1601,
  5655. nmps: 27,
  5656. nlps: 24,
  5657. switchFlag: 0
  5658. }, {
  5659. qe: 0x1401,
  5660. nmps: 28,
  5661. nlps: 25,
  5662. switchFlag: 0
  5663. }, {
  5664. qe: 0x1201,
  5665. nmps: 29,
  5666. nlps: 26,
  5667. switchFlag: 0
  5668. }, {
  5669. qe: 0x1101,
  5670. nmps: 30,
  5671. nlps: 27,
  5672. switchFlag: 0
  5673. }, {
  5674. qe: 0x0ac1,
  5675. nmps: 31,
  5676. nlps: 28,
  5677. switchFlag: 0
  5678. }, {
  5679. qe: 0x09c1,
  5680. nmps: 32,
  5681. nlps: 29,
  5682. switchFlag: 0
  5683. }, {
  5684. qe: 0x08a1,
  5685. nmps: 33,
  5686. nlps: 30,
  5687. switchFlag: 0
  5688. }, {
  5689. qe: 0x0521,
  5690. nmps: 34,
  5691. nlps: 31,
  5692. switchFlag: 0
  5693. }, {
  5694. qe: 0x0441,
  5695. nmps: 35,
  5696. nlps: 32,
  5697. switchFlag: 0
  5698. }, {
  5699. qe: 0x02a1,
  5700. nmps: 36,
  5701. nlps: 33,
  5702. switchFlag: 0
  5703. }, {
  5704. qe: 0x0221,
  5705. nmps: 37,
  5706. nlps: 34,
  5707. switchFlag: 0
  5708. }, {
  5709. qe: 0x0141,
  5710. nmps: 38,
  5711. nlps: 35,
  5712. switchFlag: 0
  5713. }, {
  5714. qe: 0x0111,
  5715. nmps: 39,
  5716. nlps: 36,
  5717. switchFlag: 0
  5718. }, {
  5719. qe: 0x0085,
  5720. nmps: 40,
  5721. nlps: 37,
  5722. switchFlag: 0
  5723. }, {
  5724. qe: 0x0049,
  5725. nmps: 41,
  5726. nlps: 38,
  5727. switchFlag: 0
  5728. }, {
  5729. qe: 0x0025,
  5730. nmps: 42,
  5731. nlps: 39,
  5732. switchFlag: 0
  5733. }, {
  5734. qe: 0x0015,
  5735. nmps: 43,
  5736. nlps: 40,
  5737. switchFlag: 0
  5738. }, {
  5739. qe: 0x0009,
  5740. nmps: 44,
  5741. nlps: 41,
  5742. switchFlag: 0
  5743. }, {
  5744. qe: 0x0005,
  5745. nmps: 45,
  5746. nlps: 42,
  5747. switchFlag: 0
  5748. }, {
  5749. qe: 0x0001,
  5750. nmps: 45,
  5751. nlps: 43,
  5752. switchFlag: 0
  5753. }, {
  5754. qe: 0x5601,
  5755. nmps: 46,
  5756. nlps: 46,
  5757. switchFlag: 0
  5758. }];
  5759. var ArithmeticDecoder = /*#__PURE__*/function () {
  5760. function ArithmeticDecoder(data, start, end) {
  5761. _classCallCheck(this, ArithmeticDecoder);
  5762. this.data = data;
  5763. this.bp = start;
  5764. this.dataEnd = end;
  5765. this.chigh = data[start];
  5766. this.clow = 0;
  5767. this.byteIn();
  5768. this.chigh = this.chigh << 7 & 0xffff | this.clow >> 9 & 0x7f;
  5769. this.clow = this.clow << 7 & 0xffff;
  5770. this.ct -= 7;
  5771. this.a = 0x8000;
  5772. }
  5773. _createClass(ArithmeticDecoder, [{
  5774. key: "byteIn",
  5775. value: function byteIn() {
  5776. var data = this.data;
  5777. var bp = this.bp;
  5778. if (data[bp] === 0xff) {
  5779. if (data[bp + 1] > 0x8f) {
  5780. this.clow += 0xff00;
  5781. this.ct = 8;
  5782. } else {
  5783. bp++;
  5784. this.clow += data[bp] << 9;
  5785. this.ct = 7;
  5786. this.bp = bp;
  5787. }
  5788. } else {
  5789. bp++;
  5790. this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
  5791. this.ct = 8;
  5792. this.bp = bp;
  5793. }
  5794. if (this.clow > 0xffff) {
  5795. this.chigh += this.clow >> 16;
  5796. this.clow &= 0xffff;
  5797. }
  5798. }
  5799. }, {
  5800. key: "readBit",
  5801. value: function readBit(contexts, pos) {
  5802. var cx_index = contexts[pos] >> 1,
  5803. cx_mps = contexts[pos] & 1;
  5804. var qeTableIcx = QeTable[cx_index];
  5805. var qeIcx = qeTableIcx.qe;
  5806. var d;
  5807. var a = this.a - qeIcx;
  5808. if (this.chigh < qeIcx) {
  5809. if (a < qeIcx) {
  5810. a = qeIcx;
  5811. d = cx_mps;
  5812. cx_index = qeTableIcx.nmps;
  5813. } else {
  5814. a = qeIcx;
  5815. d = 1 ^ cx_mps;
  5816. if (qeTableIcx.switchFlag === 1) {
  5817. cx_mps = d;
  5818. }
  5819. cx_index = qeTableIcx.nlps;
  5820. }
  5821. } else {
  5822. this.chigh -= qeIcx;
  5823. if ((a & 0x8000) !== 0) {
  5824. this.a = a;
  5825. return cx_mps;
  5826. }
  5827. if (a < qeIcx) {
  5828. d = 1 ^ cx_mps;
  5829. if (qeTableIcx.switchFlag === 1) {
  5830. cx_mps = d;
  5831. }
  5832. cx_index = qeTableIcx.nlps;
  5833. } else {
  5834. d = cx_mps;
  5835. cx_index = qeTableIcx.nmps;
  5836. }
  5837. }
  5838. do {
  5839. if (this.ct === 0) {
  5840. this.byteIn();
  5841. }
  5842. a <<= 1;
  5843. this.chigh = this.chigh << 1 & 0xffff | this.clow >> 15 & 1;
  5844. this.clow = this.clow << 1 & 0xffff;
  5845. this.ct--;
  5846. } while ((a & 0x8000) === 0);
  5847. this.a = a;
  5848. contexts[pos] = cx_index << 1 | cx_mps;
  5849. return d;
  5850. }
  5851. }]);
  5852. return ArithmeticDecoder;
  5853. }();
  5854. exports.ArithmeticDecoder = ArithmeticDecoder;
  5855. /***/ }),
  5856. /* 101 */
  5857. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  5858. "use strict";
  5859. Object.defineProperty(exports, "__esModule", ({
  5860. value: true
  5861. }));
  5862. exports.CCITTFaxDecoder = void 0;
  5863. var _util = __w_pdfjs_require__(1);
  5864. var CCITTFaxDecoder = function CCITTFaxDecoder() {
  5865. var ccittEOL = -2;
  5866. var ccittEOF = -1;
  5867. var twoDimPass = 0;
  5868. var twoDimHoriz = 1;
  5869. var twoDimVert0 = 2;
  5870. var twoDimVertR1 = 3;
  5871. var twoDimVertL1 = 4;
  5872. var twoDimVertR2 = 5;
  5873. var twoDimVertL2 = 6;
  5874. var twoDimVertR3 = 7;
  5875. var twoDimVertL3 = 8;
  5876. 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]];
  5877. 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]];
  5878. 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]];
  5879. 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]];
  5880. 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]];
  5881. 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]];
  5882. function CCITTFaxDecoder(source) {
  5883. var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  5884. if (!source || typeof source.next !== "function") {
  5885. throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
  5886. }
  5887. this.source = source;
  5888. this.eof = false;
  5889. this.encoding = options.K || 0;
  5890. this.eoline = options.EndOfLine || false;
  5891. this.byteAlign = options.EncodedByteAlign || false;
  5892. this.columns = options.Columns || 1728;
  5893. this.rows = options.Rows || 0;
  5894. var eoblock = options.EndOfBlock;
  5895. if (eoblock === null || eoblock === undefined) {
  5896. eoblock = true;
  5897. }
  5898. this.eoblock = eoblock;
  5899. this.black = options.BlackIs1 || false;
  5900. this.codingLine = new Uint32Array(this.columns + 1);
  5901. this.refLine = new Uint32Array(this.columns + 2);
  5902. this.codingLine[0] = this.columns;
  5903. this.codingPos = 0;
  5904. this.row = 0;
  5905. this.nextLine2D = this.encoding < 0;
  5906. this.inputBits = 0;
  5907. this.inputBuf = 0;
  5908. this.outputBits = 0;
  5909. this.rowsDone = false;
  5910. var code1;
  5911. while ((code1 = this._lookBits(12)) === 0) {
  5912. this._eatBits(1);
  5913. }
  5914. if (code1 === 1) {
  5915. this._eatBits(12);
  5916. }
  5917. if (this.encoding > 0) {
  5918. this.nextLine2D = !this._lookBits(1);
  5919. this._eatBits(1);
  5920. }
  5921. }
  5922. CCITTFaxDecoder.prototype = {
  5923. readNextChar: function readNextChar() {
  5924. if (this.eof) {
  5925. return -1;
  5926. }
  5927. var refLine = this.refLine;
  5928. var codingLine = this.codingLine;
  5929. var columns = this.columns;
  5930. var refPos, blackPixels, bits, i;
  5931. if (this.outputBits === 0) {
  5932. if (this.rowsDone) {
  5933. this.eof = true;
  5934. }
  5935. if (this.eof) {
  5936. return -1;
  5937. }
  5938. this.err = false;
  5939. var code1, code2, code3;
  5940. if (this.nextLine2D) {
  5941. for (i = 0; codingLine[i] < columns; ++i) {
  5942. refLine[i] = codingLine[i];
  5943. }
  5944. refLine[i++] = columns;
  5945. refLine[i] = columns;
  5946. codingLine[0] = 0;
  5947. this.codingPos = 0;
  5948. refPos = 0;
  5949. blackPixels = 0;
  5950. while (codingLine[this.codingPos] < columns) {
  5951. code1 = this._getTwoDimCode();
  5952. switch (code1) {
  5953. case twoDimPass:
  5954. this._addPixels(refLine[refPos + 1], blackPixels);
  5955. if (refLine[refPos + 1] < columns) {
  5956. refPos += 2;
  5957. }
  5958. break;
  5959. case twoDimHoriz:
  5960. code1 = code2 = 0;
  5961. if (blackPixels) {
  5962. do {
  5963. code1 += code3 = this._getBlackCode();
  5964. } while (code3 >= 64);
  5965. do {
  5966. code2 += code3 = this._getWhiteCode();
  5967. } while (code3 >= 64);
  5968. } else {
  5969. do {
  5970. code1 += code3 = this._getWhiteCode();
  5971. } while (code3 >= 64);
  5972. do {
  5973. code2 += code3 = this._getBlackCode();
  5974. } while (code3 >= 64);
  5975. }
  5976. this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
  5977. if (codingLine[this.codingPos] < columns) {
  5978. this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
  5979. }
  5980. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  5981. refPos += 2;
  5982. }
  5983. break;
  5984. case twoDimVertR3:
  5985. this._addPixels(refLine[refPos] + 3, blackPixels);
  5986. blackPixels ^= 1;
  5987. if (codingLine[this.codingPos] < columns) {
  5988. ++refPos;
  5989. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  5990. refPos += 2;
  5991. }
  5992. }
  5993. break;
  5994. case twoDimVertR2:
  5995. this._addPixels(refLine[refPos] + 2, blackPixels);
  5996. blackPixels ^= 1;
  5997. if (codingLine[this.codingPos] < columns) {
  5998. ++refPos;
  5999. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6000. refPos += 2;
  6001. }
  6002. }
  6003. break;
  6004. case twoDimVertR1:
  6005. this._addPixels(refLine[refPos] + 1, blackPixels);
  6006. blackPixels ^= 1;
  6007. if (codingLine[this.codingPos] < columns) {
  6008. ++refPos;
  6009. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6010. refPos += 2;
  6011. }
  6012. }
  6013. break;
  6014. case twoDimVert0:
  6015. this._addPixels(refLine[refPos], blackPixels);
  6016. blackPixels ^= 1;
  6017. if (codingLine[this.codingPos] < columns) {
  6018. ++refPos;
  6019. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6020. refPos += 2;
  6021. }
  6022. }
  6023. break;
  6024. case twoDimVertL3:
  6025. this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
  6026. blackPixels ^= 1;
  6027. if (codingLine[this.codingPos] < columns) {
  6028. if (refPos > 0) {
  6029. --refPos;
  6030. } else {
  6031. ++refPos;
  6032. }
  6033. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6034. refPos += 2;
  6035. }
  6036. }
  6037. break;
  6038. case twoDimVertL2:
  6039. this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
  6040. blackPixels ^= 1;
  6041. if (codingLine[this.codingPos] < columns) {
  6042. if (refPos > 0) {
  6043. --refPos;
  6044. } else {
  6045. ++refPos;
  6046. }
  6047. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6048. refPos += 2;
  6049. }
  6050. }
  6051. break;
  6052. case twoDimVertL1:
  6053. this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
  6054. blackPixels ^= 1;
  6055. if (codingLine[this.codingPos] < columns) {
  6056. if (refPos > 0) {
  6057. --refPos;
  6058. } else {
  6059. ++refPos;
  6060. }
  6061. while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
  6062. refPos += 2;
  6063. }
  6064. }
  6065. break;
  6066. case ccittEOF:
  6067. this._addPixels(columns, 0);
  6068. this.eof = true;
  6069. break;
  6070. default:
  6071. (0, _util.info)("bad 2d code");
  6072. this._addPixels(columns, 0);
  6073. this.err = true;
  6074. }
  6075. }
  6076. } else {
  6077. codingLine[0] = 0;
  6078. this.codingPos = 0;
  6079. blackPixels = 0;
  6080. while (codingLine[this.codingPos] < columns) {
  6081. code1 = 0;
  6082. if (blackPixels) {
  6083. do {
  6084. code1 += code3 = this._getBlackCode();
  6085. } while (code3 >= 64);
  6086. } else {
  6087. do {
  6088. code1 += code3 = this._getWhiteCode();
  6089. } while (code3 >= 64);
  6090. }
  6091. this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
  6092. blackPixels ^= 1;
  6093. }
  6094. }
  6095. var gotEOL = false;
  6096. if (this.byteAlign) {
  6097. this.inputBits &= ~7;
  6098. }
  6099. if (!this.eoblock && this.row === this.rows - 1) {
  6100. this.rowsDone = true;
  6101. } else {
  6102. code1 = this._lookBits(12);
  6103. if (this.eoline) {
  6104. while (code1 !== ccittEOF && code1 !== 1) {
  6105. this._eatBits(1);
  6106. code1 = this._lookBits(12);
  6107. }
  6108. } else {
  6109. while (code1 === 0) {
  6110. this._eatBits(1);
  6111. code1 = this._lookBits(12);
  6112. }
  6113. }
  6114. if (code1 === 1) {
  6115. this._eatBits(12);
  6116. gotEOL = true;
  6117. } else if (code1 === ccittEOF) {
  6118. this.eof = true;
  6119. }
  6120. }
  6121. if (!this.eof && this.encoding > 0 && !this.rowsDone) {
  6122. this.nextLine2D = !this._lookBits(1);
  6123. this._eatBits(1);
  6124. }
  6125. if (this.eoblock && gotEOL && this.byteAlign) {
  6126. code1 = this._lookBits(12);
  6127. if (code1 === 1) {
  6128. this._eatBits(12);
  6129. if (this.encoding > 0) {
  6130. this._lookBits(1);
  6131. this._eatBits(1);
  6132. }
  6133. if (this.encoding >= 0) {
  6134. for (i = 0; i < 4; ++i) {
  6135. code1 = this._lookBits(12);
  6136. if (code1 !== 1) {
  6137. (0, _util.info)("bad rtc code: " + code1);
  6138. }
  6139. this._eatBits(12);
  6140. if (this.encoding > 0) {
  6141. this._lookBits(1);
  6142. this._eatBits(1);
  6143. }
  6144. }
  6145. }
  6146. this.eof = true;
  6147. }
  6148. } else if (this.err && this.eoline) {
  6149. while (true) {
  6150. code1 = this._lookBits(13);
  6151. if (code1 === ccittEOF) {
  6152. this.eof = true;
  6153. return -1;
  6154. }
  6155. if (code1 >> 1 === 1) {
  6156. break;
  6157. }
  6158. this._eatBits(1);
  6159. }
  6160. this._eatBits(12);
  6161. if (this.encoding > 0) {
  6162. this._eatBits(1);
  6163. this.nextLine2D = !(code1 & 1);
  6164. }
  6165. }
  6166. if (codingLine[0] > 0) {
  6167. this.outputBits = codingLine[this.codingPos = 0];
  6168. } else {
  6169. this.outputBits = codingLine[this.codingPos = 1];
  6170. }
  6171. this.row++;
  6172. }
  6173. var c;
  6174. if (this.outputBits >= 8) {
  6175. c = this.codingPos & 1 ? 0 : 0xff;
  6176. this.outputBits -= 8;
  6177. if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
  6178. this.codingPos++;
  6179. this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
  6180. }
  6181. } else {
  6182. bits = 8;
  6183. c = 0;
  6184. do {
  6185. if (this.outputBits > bits) {
  6186. c <<= bits;
  6187. if (!(this.codingPos & 1)) {
  6188. c |= 0xff >> 8 - bits;
  6189. }
  6190. this.outputBits -= bits;
  6191. bits = 0;
  6192. } else {
  6193. c <<= this.outputBits;
  6194. if (!(this.codingPos & 1)) {
  6195. c |= 0xff >> 8 - this.outputBits;
  6196. }
  6197. bits -= this.outputBits;
  6198. this.outputBits = 0;
  6199. if (codingLine[this.codingPos] < columns) {
  6200. this.codingPos++;
  6201. this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
  6202. } else if (bits > 0) {
  6203. c <<= bits;
  6204. bits = 0;
  6205. }
  6206. }
  6207. } while (bits);
  6208. }
  6209. if (this.black) {
  6210. c ^= 0xff;
  6211. }
  6212. return c;
  6213. },
  6214. _addPixels: function _addPixels(a1, blackPixels) {
  6215. var codingLine = this.codingLine;
  6216. var codingPos = this.codingPos;
  6217. if (a1 > codingLine[codingPos]) {
  6218. if (a1 > this.columns) {
  6219. (0, _util.info)("row is wrong length");
  6220. this.err = true;
  6221. a1 = this.columns;
  6222. }
  6223. if (codingPos & 1 ^ blackPixels) {
  6224. ++codingPos;
  6225. }
  6226. codingLine[codingPos] = a1;
  6227. }
  6228. this.codingPos = codingPos;
  6229. },
  6230. _addPixelsNeg: function _addPixelsNeg(a1, blackPixels) {
  6231. var codingLine = this.codingLine;
  6232. var codingPos = this.codingPos;
  6233. if (a1 > codingLine[codingPos]) {
  6234. if (a1 > this.columns) {
  6235. (0, _util.info)("row is wrong length");
  6236. this.err = true;
  6237. a1 = this.columns;
  6238. }
  6239. if (codingPos & 1 ^ blackPixels) {
  6240. ++codingPos;
  6241. }
  6242. codingLine[codingPos] = a1;
  6243. } else if (a1 < codingLine[codingPos]) {
  6244. if (a1 < 0) {
  6245. (0, _util.info)("invalid code");
  6246. this.err = true;
  6247. a1 = 0;
  6248. }
  6249. while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
  6250. --codingPos;
  6251. }
  6252. codingLine[codingPos] = a1;
  6253. }
  6254. this.codingPos = codingPos;
  6255. },
  6256. _findTableCode: function _findTableCode(start, end, table, limit) {
  6257. var limitValue = limit || 0;
  6258. for (var i = start; i <= end; ++i) {
  6259. var code = this._lookBits(i);
  6260. if (code === ccittEOF) {
  6261. return [true, 1, false];
  6262. }
  6263. if (i < end) {
  6264. code <<= end - i;
  6265. }
  6266. if (!limitValue || code >= limitValue) {
  6267. var p = table[code - limitValue];
  6268. if (p[0] === i) {
  6269. this._eatBits(i);
  6270. return [true, p[1], true];
  6271. }
  6272. }
  6273. }
  6274. return [false, 0, false];
  6275. },
  6276. _getTwoDimCode: function _getTwoDimCode() {
  6277. var code = 0;
  6278. var p;
  6279. if (this.eoblock) {
  6280. code = this._lookBits(7);
  6281. p = twoDimTable[code];
  6282. if (p && p[0] > 0) {
  6283. this._eatBits(p[0]);
  6284. return p[1];
  6285. }
  6286. } else {
  6287. var result = this._findTableCode(1, 7, twoDimTable);
  6288. if (result[0] && result[2]) {
  6289. return result[1];
  6290. }
  6291. }
  6292. (0, _util.info)("Bad two dim code");
  6293. return ccittEOF;
  6294. },
  6295. _getWhiteCode: function _getWhiteCode() {
  6296. var code = 0;
  6297. var p;
  6298. if (this.eoblock) {
  6299. code = this._lookBits(12);
  6300. if (code === ccittEOF) {
  6301. return 1;
  6302. }
  6303. if (code >> 5 === 0) {
  6304. p = whiteTable1[code];
  6305. } else {
  6306. p = whiteTable2[code >> 3];
  6307. }
  6308. if (p[0] > 0) {
  6309. this._eatBits(p[0]);
  6310. return p[1];
  6311. }
  6312. } else {
  6313. var result = this._findTableCode(1, 9, whiteTable2);
  6314. if (result[0]) {
  6315. return result[1];
  6316. }
  6317. result = this._findTableCode(11, 12, whiteTable1);
  6318. if (result[0]) {
  6319. return result[1];
  6320. }
  6321. }
  6322. (0, _util.info)("bad white code");
  6323. this._eatBits(1);
  6324. return 1;
  6325. },
  6326. _getBlackCode: function _getBlackCode() {
  6327. var code, p;
  6328. if (this.eoblock) {
  6329. code = this._lookBits(13);
  6330. if (code === ccittEOF) {
  6331. return 1;
  6332. }
  6333. if (code >> 7 === 0) {
  6334. p = blackTable1[code];
  6335. } else if (code >> 9 === 0 && code >> 7 !== 0) {
  6336. p = blackTable2[(code >> 1) - 64];
  6337. } else {
  6338. p = blackTable3[code >> 7];
  6339. }
  6340. if (p[0] > 0) {
  6341. this._eatBits(p[0]);
  6342. return p[1];
  6343. }
  6344. } else {
  6345. var result = this._findTableCode(2, 6, blackTable3);
  6346. if (result[0]) {
  6347. return result[1];
  6348. }
  6349. result = this._findTableCode(7, 12, blackTable2, 64);
  6350. if (result[0]) {
  6351. return result[1];
  6352. }
  6353. result = this._findTableCode(10, 13, blackTable1);
  6354. if (result[0]) {
  6355. return result[1];
  6356. }
  6357. }
  6358. (0, _util.info)("bad black code");
  6359. this._eatBits(1);
  6360. return 1;
  6361. },
  6362. _lookBits: function _lookBits(n) {
  6363. var c;
  6364. while (this.inputBits < n) {
  6365. if ((c = this.source.next()) === -1) {
  6366. if (this.inputBits === 0) {
  6367. return ccittEOF;
  6368. }
  6369. return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
  6370. }
  6371. this.inputBuf = this.inputBuf << 8 | c;
  6372. this.inputBits += 8;
  6373. }
  6374. return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
  6375. },
  6376. _eatBits: function _eatBits(n) {
  6377. if ((this.inputBits -= n) < 0) {
  6378. this.inputBits = 0;
  6379. }
  6380. }
  6381. };
  6382. return CCITTFaxDecoder;
  6383. }();
  6384. exports.CCITTFaxDecoder = CCITTFaxDecoder;
  6385. /***/ }),
  6386. /* 102 */
  6387. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  6388. "use strict";
  6389. Object.defineProperty(exports, "__esModule", ({
  6390. value: true
  6391. }));
  6392. exports.JpegImage = void 0;
  6393. var _util = __w_pdfjs_require__(1);
  6394. var _core_utils = __w_pdfjs_require__(96);
  6395. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  6396. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  6397. 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 } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  6398. function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  6399. 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); }; }
  6400. function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  6401. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  6402. 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; } }
  6403. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  6404. var JpegError = /*#__PURE__*/function (_BaseException) {
  6405. _inherits(JpegError, _BaseException);
  6406. var _super = _createSuper(JpegError);
  6407. function JpegError(msg) {
  6408. _classCallCheck(this, JpegError);
  6409. return _super.call(this, "JPEG error: ".concat(msg));
  6410. }
  6411. return JpegError;
  6412. }(_util.BaseException);
  6413. var DNLMarkerError = /*#__PURE__*/function (_BaseException2) {
  6414. _inherits(DNLMarkerError, _BaseException2);
  6415. var _super2 = _createSuper(DNLMarkerError);
  6416. function DNLMarkerError(message, scanLines) {
  6417. var _this;
  6418. _classCallCheck(this, DNLMarkerError);
  6419. _this = _super2.call(this, message);
  6420. _this.scanLines = scanLines;
  6421. return _this;
  6422. }
  6423. return DNLMarkerError;
  6424. }(_util.BaseException);
  6425. var EOIMarkerError = /*#__PURE__*/function (_BaseException3) {
  6426. _inherits(EOIMarkerError, _BaseException3);
  6427. var _super3 = _createSuper(EOIMarkerError);
  6428. function EOIMarkerError() {
  6429. _classCallCheck(this, EOIMarkerError);
  6430. return _super3.apply(this, arguments);
  6431. }
  6432. return EOIMarkerError;
  6433. }(_util.BaseException);
  6434. var JpegImage = function JpegImageClosure() {
  6435. 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]);
  6436. var dctCos1 = 4017;
  6437. var dctSin1 = 799;
  6438. var dctCos3 = 3406;
  6439. var dctSin3 = 2276;
  6440. var dctCos6 = 1567;
  6441. var dctSin6 = 3784;
  6442. var dctSqrt2 = 5793;
  6443. var dctSqrt1d2 = 2896;
  6444. function JpegImage() {
  6445. var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
  6446. _ref$decodeTransform = _ref.decodeTransform,
  6447. decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform,
  6448. _ref$colorTransform = _ref.colorTransform,
  6449. colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform;
  6450. this._decodeTransform = decodeTransform;
  6451. this._colorTransform = colorTransform;
  6452. }
  6453. function buildHuffmanTable(codeLengths, values) {
  6454. var k = 0,
  6455. code = [],
  6456. i,
  6457. j,
  6458. length = 16;
  6459. while (length > 0 && !codeLengths[length - 1]) {
  6460. length--;
  6461. }
  6462. code.push({
  6463. children: [],
  6464. index: 0
  6465. });
  6466. var p = code[0],
  6467. q;
  6468. for (i = 0; i < length; i++) {
  6469. for (j = 0; j < codeLengths[i]; j++) {
  6470. p = code.pop();
  6471. p.children[p.index] = values[k];
  6472. while (p.index > 0) {
  6473. p = code.pop();
  6474. }
  6475. p.index++;
  6476. code.push(p);
  6477. while (code.length <= i) {
  6478. code.push(q = {
  6479. children: [],
  6480. index: 0
  6481. });
  6482. p.children[p.index] = q.children;
  6483. p = q;
  6484. }
  6485. k++;
  6486. }
  6487. if (i + 1 < length) {
  6488. code.push(q = {
  6489. children: [],
  6490. index: 0
  6491. });
  6492. p.children[p.index] = q.children;
  6493. p = q;
  6494. }
  6495. }
  6496. return code[0].children;
  6497. }
  6498. function getBlockBufferOffset(component, row, col) {
  6499. return 64 * ((component.blocksPerLine + 1) * row + col);
  6500. }
  6501. function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
  6502. var parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false;
  6503. var mcusPerLine = frame.mcusPerLine;
  6504. var progressive = frame.progressive;
  6505. var startOffset = offset;
  6506. var bitsData = 0,
  6507. bitsCount = 0;
  6508. function readBit() {
  6509. if (bitsCount > 0) {
  6510. bitsCount--;
  6511. return bitsData >> bitsCount & 1;
  6512. }
  6513. bitsData = data[offset++];
  6514. if (bitsData === 0xff) {
  6515. var nextByte = data[offset++];
  6516. if (nextByte) {
  6517. if (nextByte === 0xdc && parseDNLMarker) {
  6518. offset += 2;
  6519. var scanLines = (0, _core_utils.readUint16)(data, offset);
  6520. offset += 2;
  6521. if (scanLines > 0 && scanLines !== frame.scanLines) {
  6522. throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
  6523. }
  6524. } else if (nextByte === 0xd9) {
  6525. if (parseDNLMarker) {
  6526. var maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
  6527. if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
  6528. throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
  6529. }
  6530. }
  6531. throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
  6532. }
  6533. throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16)));
  6534. }
  6535. }
  6536. bitsCount = 7;
  6537. return bitsData >>> 7;
  6538. }
  6539. function decodeHuffman(tree) {
  6540. var node = tree;
  6541. while (true) {
  6542. node = node[readBit()];
  6543. switch (_typeof(node)) {
  6544. case "number":
  6545. return node;
  6546. case "object":
  6547. continue;
  6548. }
  6549. throw new JpegError("invalid huffman sequence");
  6550. }
  6551. }
  6552. function receive(length) {
  6553. var n = 0;
  6554. while (length > 0) {
  6555. n = n << 1 | readBit();
  6556. length--;
  6557. }
  6558. return n;
  6559. }
  6560. function receiveAndExtend(length) {
  6561. if (length === 1) {
  6562. return readBit() === 1 ? 1 : -1;
  6563. }
  6564. var n = receive(length);
  6565. if (n >= 1 << length - 1) {
  6566. return n;
  6567. }
  6568. return n + (-1 << length) + 1;
  6569. }
  6570. function decodeBaseline(component, blockOffset) {
  6571. var t = decodeHuffman(component.huffmanTableDC);
  6572. var diff = t === 0 ? 0 : receiveAndExtend(t);
  6573. component.blockData[blockOffset] = component.pred += diff;
  6574. var k = 1;
  6575. while (k < 64) {
  6576. var rs = decodeHuffman(component.huffmanTableAC);
  6577. var s = rs & 15,
  6578. r = rs >> 4;
  6579. if (s === 0) {
  6580. if (r < 15) {
  6581. break;
  6582. }
  6583. k += 16;
  6584. continue;
  6585. }
  6586. k += r;
  6587. var z = dctZigZag[k];
  6588. component.blockData[blockOffset + z] = receiveAndExtend(s);
  6589. k++;
  6590. }
  6591. }
  6592. function decodeDCFirst(component, blockOffset) {
  6593. var t = decodeHuffman(component.huffmanTableDC);
  6594. var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
  6595. component.blockData[blockOffset] = component.pred += diff;
  6596. }
  6597. function decodeDCSuccessive(component, blockOffset) {
  6598. component.blockData[blockOffset] |= readBit() << successive;
  6599. }
  6600. var eobrun = 0;
  6601. function decodeACFirst(component, blockOffset) {
  6602. if (eobrun > 0) {
  6603. eobrun--;
  6604. return;
  6605. }
  6606. var k = spectralStart,
  6607. e = spectralEnd;
  6608. while (k <= e) {
  6609. var rs = decodeHuffman(component.huffmanTableAC);
  6610. var s = rs & 15,
  6611. r = rs >> 4;
  6612. if (s === 0) {
  6613. if (r < 15) {
  6614. eobrun = receive(r) + (1 << r) - 1;
  6615. break;
  6616. }
  6617. k += 16;
  6618. continue;
  6619. }
  6620. k += r;
  6621. var z = dctZigZag[k];
  6622. component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
  6623. k++;
  6624. }
  6625. }
  6626. var successiveACState = 0,
  6627. successiveACNextValue;
  6628. function decodeACSuccessive(component, blockOffset) {
  6629. var k = spectralStart;
  6630. var e = spectralEnd;
  6631. var r = 0;
  6632. var s;
  6633. var rs;
  6634. while (k <= e) {
  6635. var offsetZ = blockOffset + dctZigZag[k];
  6636. var sign = component.blockData[offsetZ] < 0 ? -1 : 1;
  6637. switch (successiveACState) {
  6638. case 0:
  6639. rs = decodeHuffman(component.huffmanTableAC);
  6640. s = rs & 15;
  6641. r = rs >> 4;
  6642. if (s === 0) {
  6643. if (r < 15) {
  6644. eobrun = receive(r) + (1 << r);
  6645. successiveACState = 4;
  6646. } else {
  6647. r = 16;
  6648. successiveACState = 1;
  6649. }
  6650. } else {
  6651. if (s !== 1) {
  6652. throw new JpegError("invalid ACn encoding");
  6653. }
  6654. successiveACNextValue = receiveAndExtend(s);
  6655. successiveACState = r ? 2 : 3;
  6656. }
  6657. continue;
  6658. case 1:
  6659. case 2:
  6660. if (component.blockData[offsetZ]) {
  6661. component.blockData[offsetZ] += sign * (readBit() << successive);
  6662. } else {
  6663. r--;
  6664. if (r === 0) {
  6665. successiveACState = successiveACState === 2 ? 3 : 0;
  6666. }
  6667. }
  6668. break;
  6669. case 3:
  6670. if (component.blockData[offsetZ]) {
  6671. component.blockData[offsetZ] += sign * (readBit() << successive);
  6672. } else {
  6673. component.blockData[offsetZ] = successiveACNextValue << successive;
  6674. successiveACState = 0;
  6675. }
  6676. break;
  6677. case 4:
  6678. if (component.blockData[offsetZ]) {
  6679. component.blockData[offsetZ] += sign * (readBit() << successive);
  6680. }
  6681. break;
  6682. }
  6683. k++;
  6684. }
  6685. if (successiveACState === 4) {
  6686. eobrun--;
  6687. if (eobrun === 0) {
  6688. successiveACState = 0;
  6689. }
  6690. }
  6691. }
  6692. var blockRow = 0;
  6693. function decodeMcu(component, decode, mcu, row, col) {
  6694. var mcuRow = mcu / mcusPerLine | 0;
  6695. var mcuCol = mcu % mcusPerLine;
  6696. blockRow = mcuRow * component.v + row;
  6697. var blockCol = mcuCol * component.h + col;
  6698. var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
  6699. decode(component, blockOffset);
  6700. }
  6701. function decodeBlock(component, decode, mcu) {
  6702. blockRow = mcu / component.blocksPerLine | 0;
  6703. var blockCol = mcu % component.blocksPerLine;
  6704. var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
  6705. decode(component, blockOffset);
  6706. }
  6707. var componentsLength = components.length;
  6708. var component, i, j, k, n;
  6709. var decodeFn;
  6710. if (progressive) {
  6711. if (spectralStart === 0) {
  6712. decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
  6713. } else {
  6714. decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
  6715. }
  6716. } else {
  6717. decodeFn = decodeBaseline;
  6718. }
  6719. var mcu = 0,
  6720. fileMarker;
  6721. var mcuExpected;
  6722. if (componentsLength === 1) {
  6723. mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
  6724. } else {
  6725. mcuExpected = mcusPerLine * frame.mcusPerColumn;
  6726. }
  6727. var h, v;
  6728. while (mcu <= mcuExpected) {
  6729. var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
  6730. if (mcuToRead > 0) {
  6731. for (i = 0; i < componentsLength; i++) {
  6732. components[i].pred = 0;
  6733. }
  6734. eobrun = 0;
  6735. if (componentsLength === 1) {
  6736. component = components[0];
  6737. for (n = 0; n < mcuToRead; n++) {
  6738. decodeBlock(component, decodeFn, mcu);
  6739. mcu++;
  6740. }
  6741. } else {
  6742. for (n = 0; n < mcuToRead; n++) {
  6743. for (i = 0; i < componentsLength; i++) {
  6744. component = components[i];
  6745. h = component.h;
  6746. v = component.v;
  6747. for (j = 0; j < v; j++) {
  6748. for (k = 0; k < h; k++) {
  6749. decodeMcu(component, decodeFn, mcu, j, k);
  6750. }
  6751. }
  6752. }
  6753. mcu++;
  6754. }
  6755. }
  6756. }
  6757. bitsCount = 0;
  6758. fileMarker = findNextFileMarker(data, offset);
  6759. if (!fileMarker) {
  6760. break;
  6761. }
  6762. if (fileMarker.invalid) {
  6763. var partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
  6764. (0, _util.warn)("decodeScan - ".concat(partialMsg, " MCU data, current marker is: ").concat(fileMarker.invalid));
  6765. offset = fileMarker.offset;
  6766. }
  6767. if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
  6768. offset += 2;
  6769. } else {
  6770. break;
  6771. }
  6772. }
  6773. return offset - startOffset;
  6774. }
  6775. function quantizeAndInverse(component, blockBufferOffset, p) {
  6776. var qt = component.quantizationTable,
  6777. blockData = component.blockData;
  6778. var v0, v1, v2, v3, v4, v5, v6, v7;
  6779. var p0, p1, p2, p3, p4, p5, p6, p7;
  6780. var t;
  6781. if (!qt) {
  6782. throw new JpegError("missing required Quantization Table.");
  6783. }
  6784. for (var row = 0; row < 64; row += 8) {
  6785. p0 = blockData[blockBufferOffset + row];
  6786. p1 = blockData[blockBufferOffset + row + 1];
  6787. p2 = blockData[blockBufferOffset + row + 2];
  6788. p3 = blockData[blockBufferOffset + row + 3];
  6789. p4 = blockData[blockBufferOffset + row + 4];
  6790. p5 = blockData[blockBufferOffset + row + 5];
  6791. p6 = blockData[blockBufferOffset + row + 6];
  6792. p7 = blockData[blockBufferOffset + row + 7];
  6793. p0 *= qt[row];
  6794. if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
  6795. t = dctSqrt2 * p0 + 512 >> 10;
  6796. p[row] = t;
  6797. p[row + 1] = t;
  6798. p[row + 2] = t;
  6799. p[row + 3] = t;
  6800. p[row + 4] = t;
  6801. p[row + 5] = t;
  6802. p[row + 6] = t;
  6803. p[row + 7] = t;
  6804. continue;
  6805. }
  6806. p1 *= qt[row + 1];
  6807. p2 *= qt[row + 2];
  6808. p3 *= qt[row + 3];
  6809. p4 *= qt[row + 4];
  6810. p5 *= qt[row + 5];
  6811. p6 *= qt[row + 6];
  6812. p7 *= qt[row + 7];
  6813. v0 = dctSqrt2 * p0 + 128 >> 8;
  6814. v1 = dctSqrt2 * p4 + 128 >> 8;
  6815. v2 = p2;
  6816. v3 = p6;
  6817. v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
  6818. v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
  6819. v5 = p3 << 4;
  6820. v6 = p5 << 4;
  6821. v0 = v0 + v1 + 1 >> 1;
  6822. v1 = v0 - v1;
  6823. t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
  6824. v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
  6825. v3 = t;
  6826. v4 = v4 + v6 + 1 >> 1;
  6827. v6 = v4 - v6;
  6828. v7 = v7 + v5 + 1 >> 1;
  6829. v5 = v7 - v5;
  6830. v0 = v0 + v3 + 1 >> 1;
  6831. v3 = v0 - v3;
  6832. v1 = v1 + v2 + 1 >> 1;
  6833. v2 = v1 - v2;
  6834. t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
  6835. v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
  6836. v7 = t;
  6837. t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
  6838. v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
  6839. v6 = t;
  6840. p[row] = v0 + v7;
  6841. p[row + 7] = v0 - v7;
  6842. p[row + 1] = v1 + v6;
  6843. p[row + 6] = v1 - v6;
  6844. p[row + 2] = v2 + v5;
  6845. p[row + 5] = v2 - v5;
  6846. p[row + 3] = v3 + v4;
  6847. p[row + 4] = v3 - v4;
  6848. }
  6849. for (var col = 0; col < 8; ++col) {
  6850. p0 = p[col];
  6851. p1 = p[col + 8];
  6852. p2 = p[col + 16];
  6853. p3 = p[col + 24];
  6854. p4 = p[col + 32];
  6855. p5 = p[col + 40];
  6856. p6 = p[col + 48];
  6857. p7 = p[col + 56];
  6858. if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
  6859. t = dctSqrt2 * p0 + 8192 >> 14;
  6860. if (t < -2040) {
  6861. t = 0;
  6862. } else if (t >= 2024) {
  6863. t = 255;
  6864. } else {
  6865. t = t + 2056 >> 4;
  6866. }
  6867. blockData[blockBufferOffset + col] = t;
  6868. blockData[blockBufferOffset + col + 8] = t;
  6869. blockData[blockBufferOffset + col + 16] = t;
  6870. blockData[blockBufferOffset + col + 24] = t;
  6871. blockData[blockBufferOffset + col + 32] = t;
  6872. blockData[blockBufferOffset + col + 40] = t;
  6873. blockData[blockBufferOffset + col + 48] = t;
  6874. blockData[blockBufferOffset + col + 56] = t;
  6875. continue;
  6876. }
  6877. v0 = dctSqrt2 * p0 + 2048 >> 12;
  6878. v1 = dctSqrt2 * p4 + 2048 >> 12;
  6879. v2 = p2;
  6880. v3 = p6;
  6881. v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
  6882. v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
  6883. v5 = p3;
  6884. v6 = p5;
  6885. v0 = (v0 + v1 + 1 >> 1) + 4112;
  6886. v1 = v0 - v1;
  6887. t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
  6888. v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
  6889. v3 = t;
  6890. v4 = v4 + v6 + 1 >> 1;
  6891. v6 = v4 - v6;
  6892. v7 = v7 + v5 + 1 >> 1;
  6893. v5 = v7 - v5;
  6894. v0 = v0 + v3 + 1 >> 1;
  6895. v3 = v0 - v3;
  6896. v1 = v1 + v2 + 1 >> 1;
  6897. v2 = v1 - v2;
  6898. t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
  6899. v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
  6900. v7 = t;
  6901. t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
  6902. v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
  6903. v6 = t;
  6904. p0 = v0 + v7;
  6905. p7 = v0 - v7;
  6906. p1 = v1 + v6;
  6907. p6 = v1 - v6;
  6908. p2 = v2 + v5;
  6909. p5 = v2 - v5;
  6910. p3 = v3 + v4;
  6911. p4 = v3 - v4;
  6912. if (p0 < 16) {
  6913. p0 = 0;
  6914. } else if (p0 >= 4080) {
  6915. p0 = 255;
  6916. } else {
  6917. p0 >>= 4;
  6918. }
  6919. if (p1 < 16) {
  6920. p1 = 0;
  6921. } else if (p1 >= 4080) {
  6922. p1 = 255;
  6923. } else {
  6924. p1 >>= 4;
  6925. }
  6926. if (p2 < 16) {
  6927. p2 = 0;
  6928. } else if (p2 >= 4080) {
  6929. p2 = 255;
  6930. } else {
  6931. p2 >>= 4;
  6932. }
  6933. if (p3 < 16) {
  6934. p3 = 0;
  6935. } else if (p3 >= 4080) {
  6936. p3 = 255;
  6937. } else {
  6938. p3 >>= 4;
  6939. }
  6940. if (p4 < 16) {
  6941. p4 = 0;
  6942. } else if (p4 >= 4080) {
  6943. p4 = 255;
  6944. } else {
  6945. p4 >>= 4;
  6946. }
  6947. if (p5 < 16) {
  6948. p5 = 0;
  6949. } else if (p5 >= 4080) {
  6950. p5 = 255;
  6951. } else {
  6952. p5 >>= 4;
  6953. }
  6954. if (p6 < 16) {
  6955. p6 = 0;
  6956. } else if (p6 >= 4080) {
  6957. p6 = 255;
  6958. } else {
  6959. p6 >>= 4;
  6960. }
  6961. if (p7 < 16) {
  6962. p7 = 0;
  6963. } else if (p7 >= 4080) {
  6964. p7 = 255;
  6965. } else {
  6966. p7 >>= 4;
  6967. }
  6968. blockData[blockBufferOffset + col] = p0;
  6969. blockData[blockBufferOffset + col + 8] = p1;
  6970. blockData[blockBufferOffset + col + 16] = p2;
  6971. blockData[blockBufferOffset + col + 24] = p3;
  6972. blockData[blockBufferOffset + col + 32] = p4;
  6973. blockData[blockBufferOffset + col + 40] = p5;
  6974. blockData[blockBufferOffset + col + 48] = p6;
  6975. blockData[blockBufferOffset + col + 56] = p7;
  6976. }
  6977. }
  6978. function buildComponentData(frame, component) {
  6979. var blocksPerLine = component.blocksPerLine;
  6980. var blocksPerColumn = component.blocksPerColumn;
  6981. var computationBuffer = new Int16Array(64);
  6982. for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
  6983. for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
  6984. var offset = getBlockBufferOffset(component, blockRow, blockCol);
  6985. quantizeAndInverse(component, offset, computationBuffer);
  6986. }
  6987. }
  6988. return component.blockData;
  6989. }
  6990. function findNextFileMarker(data, currentPos) {
  6991. var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos;
  6992. var maxPos = data.length - 1;
  6993. var newPos = startPos < currentPos ? startPos : currentPos;
  6994. if (currentPos >= maxPos) {
  6995. return null;
  6996. }
  6997. var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
  6998. if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
  6999. return {
  7000. invalid: null,
  7001. marker: currentMarker,
  7002. offset: currentPos
  7003. };
  7004. }
  7005. var newMarker = (0, _core_utils.readUint16)(data, newPos);
  7006. while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
  7007. if (++newPos >= maxPos) {
  7008. return null;
  7009. }
  7010. newMarker = (0, _core_utils.readUint16)(data, newPos);
  7011. }
  7012. return {
  7013. invalid: currentMarker.toString(16),
  7014. marker: newMarker,
  7015. offset: newPos
  7016. };
  7017. }
  7018. JpegImage.prototype = {
  7019. parse: function parse(data) {
  7020. var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
  7021. _ref2$dnlScanLines = _ref2.dnlScanLines,
  7022. dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines;
  7023. function readDataBlock() {
  7024. var length = (0, _core_utils.readUint16)(data, offset);
  7025. offset += 2;
  7026. var endOffset = offset + length - 2;
  7027. var fileMarker = findNextFileMarker(data, endOffset, offset);
  7028. if (fileMarker && fileMarker.invalid) {
  7029. (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
  7030. endOffset = fileMarker.offset;
  7031. }
  7032. var array = data.subarray(offset, endOffset);
  7033. offset += array.length;
  7034. return array;
  7035. }
  7036. function prepareComponents(frame) {
  7037. var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
  7038. var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
  7039. for (var i = 0; i < frame.components.length; i++) {
  7040. component = frame.components[i];
  7041. var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
  7042. var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
  7043. var blocksPerLineForMcu = mcusPerLine * component.h;
  7044. var blocksPerColumnForMcu = mcusPerColumn * component.v;
  7045. var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
  7046. component.blockData = new Int16Array(blocksBufferSize);
  7047. component.blocksPerLine = blocksPerLine;
  7048. component.blocksPerColumn = blocksPerColumn;
  7049. }
  7050. frame.mcusPerLine = mcusPerLine;
  7051. frame.mcusPerColumn = mcusPerColumn;
  7052. }
  7053. var offset = 0;
  7054. var jfif = null;
  7055. var adobe = null;
  7056. var frame, resetInterval;
  7057. var numSOSMarkers = 0;
  7058. var quantizationTables = [];
  7059. var huffmanTablesAC = [],
  7060. huffmanTablesDC = [];
  7061. var fileMarker = (0, _core_utils.readUint16)(data, offset);
  7062. offset += 2;
  7063. if (fileMarker !== 0xffd8) {
  7064. throw new JpegError("SOI not found");
  7065. }
  7066. fileMarker = (0, _core_utils.readUint16)(data, offset);
  7067. offset += 2;
  7068. markerLoop: while (fileMarker !== 0xffd9) {
  7069. var i, j, l;
  7070. switch (fileMarker) {
  7071. case 0xffe0:
  7072. case 0xffe1:
  7073. case 0xffe2:
  7074. case 0xffe3:
  7075. case 0xffe4:
  7076. case 0xffe5:
  7077. case 0xffe6:
  7078. case 0xffe7:
  7079. case 0xffe8:
  7080. case 0xffe9:
  7081. case 0xffea:
  7082. case 0xffeb:
  7083. case 0xffec:
  7084. case 0xffed:
  7085. case 0xffee:
  7086. case 0xffef:
  7087. case 0xfffe:
  7088. var appData = readDataBlock();
  7089. if (fileMarker === 0xffe0) {
  7090. if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
  7091. jfif = {
  7092. version: {
  7093. major: appData[5],
  7094. minor: appData[6]
  7095. },
  7096. densityUnits: appData[7],
  7097. xDensity: appData[8] << 8 | appData[9],
  7098. yDensity: appData[10] << 8 | appData[11],
  7099. thumbWidth: appData[12],
  7100. thumbHeight: appData[13],
  7101. thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
  7102. };
  7103. }
  7104. }
  7105. if (fileMarker === 0xffee) {
  7106. if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
  7107. adobe = {
  7108. version: appData[5] << 8 | appData[6],
  7109. flags0: appData[7] << 8 | appData[8],
  7110. flags1: appData[9] << 8 | appData[10],
  7111. transformCode: appData[11]
  7112. };
  7113. }
  7114. }
  7115. break;
  7116. case 0xffdb:
  7117. var quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
  7118. offset += 2;
  7119. var quantizationTablesEnd = quantizationTablesLength + offset - 2;
  7120. var z;
  7121. while (offset < quantizationTablesEnd) {
  7122. var quantizationTableSpec = data[offset++];
  7123. var tableData = new Uint16Array(64);
  7124. if (quantizationTableSpec >> 4 === 0) {
  7125. for (j = 0; j < 64; j++) {
  7126. z = dctZigZag[j];
  7127. tableData[z] = data[offset++];
  7128. }
  7129. } else if (quantizationTableSpec >> 4 === 1) {
  7130. for (j = 0; j < 64; j++) {
  7131. z = dctZigZag[j];
  7132. tableData[z] = (0, _core_utils.readUint16)(data, offset);
  7133. offset += 2;
  7134. }
  7135. } else {
  7136. throw new JpegError("DQT - invalid table spec");
  7137. }
  7138. quantizationTables[quantizationTableSpec & 15] = tableData;
  7139. }
  7140. break;
  7141. case 0xffc0:
  7142. case 0xffc1:
  7143. case 0xffc2:
  7144. if (frame) {
  7145. throw new JpegError("Only single frame JPEGs supported");
  7146. }
  7147. offset += 2;
  7148. frame = {};
  7149. frame.extended = fileMarker === 0xffc1;
  7150. frame.progressive = fileMarker === 0xffc2;
  7151. frame.precision = data[offset++];
  7152. var sofScanLines = (0, _core_utils.readUint16)(data, offset);
  7153. offset += 2;
  7154. frame.scanLines = dnlScanLines || sofScanLines;
  7155. frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
  7156. offset += 2;
  7157. frame.components = [];
  7158. frame.componentIds = {};
  7159. var componentsCount = data[offset++],
  7160. componentId;
  7161. var maxH = 0,
  7162. maxV = 0;
  7163. for (i = 0; i < componentsCount; i++) {
  7164. componentId = data[offset];
  7165. var h = data[offset + 1] >> 4;
  7166. var v = data[offset + 1] & 15;
  7167. if (maxH < h) {
  7168. maxH = h;
  7169. }
  7170. if (maxV < v) {
  7171. maxV = v;
  7172. }
  7173. var qId = data[offset + 2];
  7174. l = frame.components.push({
  7175. h: h,
  7176. v: v,
  7177. quantizationId: qId,
  7178. quantizationTable: null
  7179. });
  7180. frame.componentIds[componentId] = l - 1;
  7181. offset += 3;
  7182. }
  7183. frame.maxH = maxH;
  7184. frame.maxV = maxV;
  7185. prepareComponents(frame);
  7186. break;
  7187. case 0xffc4:
  7188. var huffmanLength = (0, _core_utils.readUint16)(data, offset);
  7189. offset += 2;
  7190. for (i = 2; i < huffmanLength;) {
  7191. var huffmanTableSpec = data[offset++];
  7192. var codeLengths = new Uint8Array(16);
  7193. var codeLengthSum = 0;
  7194. for (j = 0; j < 16; j++, offset++) {
  7195. codeLengthSum += codeLengths[j] = data[offset];
  7196. }
  7197. var huffmanValues = new Uint8Array(codeLengthSum);
  7198. for (j = 0; j < codeLengthSum; j++, offset++) {
  7199. huffmanValues[j] = data[offset];
  7200. }
  7201. i += 17 + codeLengthSum;
  7202. (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
  7203. }
  7204. break;
  7205. case 0xffdd:
  7206. offset += 2;
  7207. resetInterval = (0, _core_utils.readUint16)(data, offset);
  7208. offset += 2;
  7209. break;
  7210. case 0xffda:
  7211. var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
  7212. offset += 2;
  7213. var selectorsCount = data[offset++];
  7214. var components = [],
  7215. component;
  7216. for (i = 0; i < selectorsCount; i++) {
  7217. var index = data[offset++];
  7218. var componentIndex = frame.componentIds[index];
  7219. component = frame.components[componentIndex];
  7220. component.index = index;
  7221. var tableSpec = data[offset++];
  7222. component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
  7223. component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
  7224. components.push(component);
  7225. }
  7226. var spectralStart = data[offset++];
  7227. var spectralEnd = data[offset++];
  7228. var successiveApproximation = data[offset++];
  7229. try {
  7230. var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
  7231. offset += processed;
  7232. } catch (ex) {
  7233. if (ex instanceof DNLMarkerError) {
  7234. (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image."));
  7235. return this.parse(data, {
  7236. dnlScanLines: ex.scanLines
  7237. });
  7238. } else if (ex instanceof EOIMarkerError) {
  7239. (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data."));
  7240. break markerLoop;
  7241. }
  7242. throw ex;
  7243. }
  7244. break;
  7245. case 0xffdc:
  7246. offset += 4;
  7247. break;
  7248. case 0xffff:
  7249. if (data[offset] !== 0xff) {
  7250. offset--;
  7251. }
  7252. break;
  7253. default:
  7254. var nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
  7255. if (nextFileMarker && nextFileMarker.invalid) {
  7256. (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
  7257. offset = nextFileMarker.offset;
  7258. break;
  7259. }
  7260. if (!nextFileMarker || offset >= data.length - 1) {
  7261. (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
  7262. break markerLoop;
  7263. }
  7264. throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
  7265. }
  7266. fileMarker = (0, _core_utils.readUint16)(data, offset);
  7267. offset += 2;
  7268. }
  7269. this.width = frame.samplesPerLine;
  7270. this.height = frame.scanLines;
  7271. this.jfif = jfif;
  7272. this.adobe = adobe;
  7273. this.components = [];
  7274. for (i = 0; i < frame.components.length; i++) {
  7275. component = frame.components[i];
  7276. var quantizationTable = quantizationTables[component.quantizationId];
  7277. if (quantizationTable) {
  7278. component.quantizationTable = quantizationTable;
  7279. }
  7280. this.components.push({
  7281. index: component.index,
  7282. output: buildComponentData(frame, component),
  7283. scaleX: component.h / frame.maxH,
  7284. scaleY: component.v / frame.maxV,
  7285. blocksPerLine: component.blocksPerLine,
  7286. blocksPerColumn: component.blocksPerColumn
  7287. });
  7288. }
  7289. this.numComponents = this.components.length;
  7290. return undefined;
  7291. },
  7292. _getLinearizedBlockData: function _getLinearizedBlockData(width, height) {
  7293. var isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  7294. var scaleX = this.width / width,
  7295. scaleY = this.height / height;
  7296. var component, componentScaleX, componentScaleY, blocksPerScanline;
  7297. var x, y, i, j, k;
  7298. var index;
  7299. var offset = 0;
  7300. var output;
  7301. var numComponents = this.components.length;
  7302. var dataLength = width * height * numComponents;
  7303. var data = new Uint8ClampedArray(dataLength);
  7304. var xScaleBlockOffset = new Uint32Array(width);
  7305. var mask3LSB = 0xfffffff8;
  7306. var lastComponentScaleX;
  7307. for (i = 0; i < numComponents; i++) {
  7308. component = this.components[i];
  7309. componentScaleX = component.scaleX * scaleX;
  7310. componentScaleY = component.scaleY * scaleY;
  7311. offset = i;
  7312. output = component.output;
  7313. blocksPerScanline = component.blocksPerLine + 1 << 3;
  7314. if (componentScaleX !== lastComponentScaleX) {
  7315. for (x = 0; x < width; x++) {
  7316. j = 0 | x * componentScaleX;
  7317. xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
  7318. }
  7319. lastComponentScaleX = componentScaleX;
  7320. }
  7321. for (y = 0; y < height; y++) {
  7322. j = 0 | y * componentScaleY;
  7323. index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
  7324. for (x = 0; x < width; x++) {
  7325. data[offset] = output[index + xScaleBlockOffset[x]];
  7326. offset += numComponents;
  7327. }
  7328. }
  7329. }
  7330. var transform = this._decodeTransform;
  7331. if (!isSourcePDF && numComponents === 4 && !transform) {
  7332. transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
  7333. }
  7334. if (transform) {
  7335. for (i = 0; i < dataLength;) {
  7336. for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
  7337. data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
  7338. }
  7339. }
  7340. }
  7341. return data;
  7342. },
  7343. get _isColorConversionNeeded() {
  7344. if (this.adobe) {
  7345. return !!this.adobe.transformCode;
  7346. }
  7347. if (this.numComponents === 3) {
  7348. if (this._colorTransform === 0) {
  7349. return false;
  7350. } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
  7351. return false;
  7352. }
  7353. return true;
  7354. }
  7355. if (this._colorTransform === 1) {
  7356. return true;
  7357. }
  7358. return false;
  7359. },
  7360. _convertYccToRgb: function convertYccToRgb(data) {
  7361. var Y, Cb, Cr;
  7362. for (var i = 0, length = data.length; i < length; i += 3) {
  7363. Y = data[i];
  7364. Cb = data[i + 1];
  7365. Cr = data[i + 2];
  7366. data[i] = Y - 179.456 + 1.402 * Cr;
  7367. data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
  7368. data[i + 2] = Y - 226.816 + 1.772 * Cb;
  7369. }
  7370. return data;
  7371. },
  7372. _convertYcckToRgb: function convertYcckToRgb(data) {
  7373. var Y, Cb, Cr, k;
  7374. var offset = 0;
  7375. for (var i = 0, length = data.length; i < length; i += 4) {
  7376. Y = data[i];
  7377. Cb = data[i + 1];
  7378. Cr = data[i + 2];
  7379. k = data[i + 3];
  7380. 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);
  7381. 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);
  7382. 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);
  7383. }
  7384. return data.subarray(0, offset);
  7385. },
  7386. _convertYcckToCmyk: function convertYcckToCmyk(data) {
  7387. var Y, Cb, Cr;
  7388. for (var i = 0, length = data.length; i < length; i += 4) {
  7389. Y = data[i];
  7390. Cb = data[i + 1];
  7391. Cr = data[i + 2];
  7392. data[i] = 434.456 - Y - 1.402 * Cr;
  7393. data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
  7394. data[i + 2] = 481.816 - Y - 1.772 * Cb;
  7395. }
  7396. return data;
  7397. },
  7398. _convertCmykToRgb: function convertCmykToRgb(data) {
  7399. var c, m, y, k;
  7400. var offset = 0;
  7401. for (var i = 0, length = data.length; i < length; i += 4) {
  7402. c = data[i];
  7403. m = data[i + 1];
  7404. y = data[i + 2];
  7405. k = data[i + 3];
  7406. 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);
  7407. 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 * (0.00031891311758832814 * k + 0.7364883807733168);
  7408. 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);
  7409. }
  7410. return data.subarray(0, offset);
  7411. },
  7412. getData: function getData(_ref3) {
  7413. var width = _ref3.width,
  7414. height = _ref3.height,
  7415. _ref3$forceRGB = _ref3.forceRGB,
  7416. forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB,
  7417. _ref3$isSourcePDF = _ref3.isSourcePDF,
  7418. isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF;
  7419. if (this.numComponents > 4) {
  7420. throw new JpegError("Unsupported color mode");
  7421. }
  7422. var data = this._getLinearizedBlockData(width, height, isSourcePDF);
  7423. if (this.numComponents === 1 && forceRGB) {
  7424. var dataLength = data.length;
  7425. var rgbData = new Uint8ClampedArray(dataLength * 3);
  7426. var offset = 0;
  7427. for (var i = 0; i < dataLength; i++) {
  7428. var grayColor = data[i];
  7429. rgbData[offset++] = grayColor;
  7430. rgbData[offset++] = grayColor;
  7431. rgbData[offset++] = grayColor;
  7432. }
  7433. return rgbData;
  7434. } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
  7435. return this._convertYccToRgb(data);
  7436. } else if (this.numComponents === 4) {
  7437. if (this._isColorConversionNeeded) {
  7438. if (forceRGB) {
  7439. return this._convertYcckToRgb(data);
  7440. }
  7441. return this._convertYcckToCmyk(data);
  7442. } else if (forceRGB) {
  7443. return this._convertCmykToRgb(data);
  7444. }
  7445. }
  7446. return data;
  7447. }
  7448. };
  7449. return JpegImage;
  7450. }();
  7451. exports.JpegImage = JpegImage;
  7452. /***/ }),
  7453. /* 103 */
  7454. /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
  7455. "use strict";
  7456. function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  7457. Object.defineProperty(exports, "__esModule", ({
  7458. value: true
  7459. }));
  7460. exports.JpxImage = void 0;
  7461. var _util = __w_pdfjs_require__(1);
  7462. var _core_utils = __w_pdfjs_require__(96);
  7463. var _arithmetic_decoder = __w_pdfjs_require__(100);
  7464. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  7465. 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 } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  7466. function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  7467. 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); }; }
  7468. function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  7469. function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  7470. 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; } }
  7471. function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  7472. var JpxError = /*#__PURE__*/function (_BaseException) {
  7473. _inherits(JpxError, _BaseException);
  7474. var _super = _createSuper(JpxError);
  7475. function JpxError(msg) {
  7476. _classCallCheck(this, JpxError);
  7477. return _super.call(this, "JPX error: ".concat(msg));
  7478. }
  7479. return JpxError;
  7480. }(_util.BaseException);
  7481. var JpxImage = function JpxImageClosure() {
  7482. var SubbandsGainLog2 = {
  7483. LL: 0,
  7484. LH: 1,
  7485. HL: 1,
  7486. HH: 2
  7487. };
  7488. function JpxImage() {
  7489. this.failOnCorruptedImage = false;
  7490. }
  7491. JpxImage.prototype = {
  7492. parse: function JpxImage_parse(data) {
  7493. var head = (0, _core_utils.readUint16)(data, 0);
  7494. if (head === 0xff4f) {
  7495. this.parseCodestream(data, 0, data.length);
  7496. return;
  7497. }
  7498. var position = 0,
  7499. length = data.length;
  7500. while (position < length) {
  7501. var headerSize = 8;
  7502. var lbox = (0, _core_utils.readUint32)(data, position);
  7503. var tbox = (0, _core_utils.readUint32)(data, position + 4);
  7504. position += headerSize;
  7505. if (lbox === 1) {
  7506. lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
  7507. position += 8;
  7508. headerSize += 8;
  7509. }
  7510. if (lbox === 0) {
  7511. lbox = length - position + headerSize;
  7512. }
  7513. if (lbox < headerSize) {
  7514. throw new JpxError("Invalid box field size");
  7515. }
  7516. var dataLength = lbox - headerSize;
  7517. var jumpDataLength = true;
  7518. switch (tbox) {
  7519. case 0x6a703268:
  7520. jumpDataLength = false;
  7521. break;
  7522. case 0x636f6c72:
  7523. var method = data[position];
  7524. if (method === 1) {
  7525. var colorspace = (0, _core_utils.readUint32)(data, position + 3);
  7526. switch (colorspace) {
  7527. case 16:
  7528. case 17:
  7529. case 18:
  7530. break;
  7531. default:
  7532. (0, _util.warn)("Unknown colorspace " + colorspace);
  7533. break;
  7534. }
  7535. } else if (method === 2) {
  7536. (0, _util.info)("ICC profile not supported");
  7537. }
  7538. break;
  7539. case 0x6a703263:
  7540. this.parseCodestream(data, position, position + dataLength);
  7541. break;
  7542. case 0x6a502020:
  7543. if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
  7544. (0, _util.warn)("Invalid JP2 signature");
  7545. }
  7546. break;
  7547. case 0x6a501a1a:
  7548. case 0x66747970:
  7549. case 0x72726571:
  7550. case 0x72657320:
  7551. case 0x69686472:
  7552. break;
  7553. default:
  7554. var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
  7555. (0, _util.warn)("Unsupported header type " + tbox + " (" + headerType + ")");
  7556. break;
  7557. }
  7558. if (jumpDataLength) {
  7559. position += dataLength;
  7560. }
  7561. }
  7562. },
  7563. parseImageProperties: function JpxImage_parseImageProperties(stream) {
  7564. var newByte = stream.getByte();
  7565. while (newByte >= 0) {
  7566. var oldByte = newByte;
  7567. newByte = stream.getByte();
  7568. var code = oldByte << 8 | newByte;
  7569. if (code === 0xff51) {
  7570. stream.skip(4);
  7571. var Xsiz = stream.getInt32() >>> 0;
  7572. var Ysiz = stream.getInt32() >>> 0;
  7573. var XOsiz = stream.getInt32() >>> 0;
  7574. var YOsiz = stream.getInt32() >>> 0;
  7575. stream.skip(16);
  7576. var Csiz = stream.getUint16();
  7577. this.width = Xsiz - XOsiz;
  7578. this.height = Ysiz - YOsiz;
  7579. this.componentsCount = Csiz;
  7580. this.bitsPerComponent = 8;
  7581. return;
  7582. }
  7583. }
  7584. throw new JpxError("No size marker found in JPX stream");
  7585. },
  7586. parseCodestream: function JpxImage_parseCodestream(data, start, end) {
  7587. var context = {};
  7588. var doNotRecover = false;
  7589. try {
  7590. var position = start;
  7591. while (position + 1 < end) {
  7592. var code = (0, _core_utils.readUint16)(data, position);
  7593. position += 2;
  7594. var length = 0,
  7595. j,
  7596. sqcd,
  7597. spqcds,
  7598. spqcdSize,
  7599. scalarExpounded,
  7600. tile;
  7601. switch (code) {
  7602. case 0xff4f:
  7603. context.mainHeader = true;
  7604. break;
  7605. case 0xffd9:
  7606. break;
  7607. case 0xff51:
  7608. length = (0, _core_utils.readUint16)(data, position);
  7609. var siz = {};
  7610. siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
  7611. siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
  7612. siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
  7613. siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
  7614. siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
  7615. siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
  7616. siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
  7617. siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
  7618. var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
  7619. siz.Csiz = componentsCount;
  7620. var components = [];
  7621. j = position + 38;
  7622. for (var i = 0; i < componentsCount; i++) {
  7623. var component = {
  7624. precision: (data[j] & 0x7f) + 1,
  7625. isSigned: !!(data[j] & 0x80),
  7626. XRsiz: data[j + 1],
  7627. YRsiz: data[j + 2]
  7628. };
  7629. j += 3;
  7630. calculateComponentDimensions(component, siz);
  7631. components.push(component);
  7632. }
  7633. context.SIZ = siz;
  7634. context.components = components;
  7635. calculateTileGrids(context, components);
  7636. context.QCC = [];
  7637. context.COC = [];
  7638. break;
  7639. case 0xff5c:
  7640. length = (0, _core_utils.readUint16)(data, position);
  7641. var qcd = {};
  7642. j = position + 2;
  7643. sqcd = data[j++];
  7644. switch (sqcd & 0x1f) {
  7645. case 0:
  7646. spqcdSize = 8;
  7647. scalarExpounded = true;
  7648. break;
  7649. case 1:
  7650. spqcdSize = 16;
  7651. scalarExpounded = false;
  7652. break;
  7653. case 2:
  7654. spqcdSize = 16;
  7655. scalarExpounded = true;
  7656. break;
  7657. default:
  7658. throw new Error("Invalid SQcd value " + sqcd);
  7659. }
  7660. qcd.noQuantization = spqcdSize === 8;
  7661. qcd.scalarExpounded = scalarExpounded;
  7662. qcd.guardBits = sqcd >> 5;
  7663. spqcds = [];
  7664. while (j < length + position) {
  7665. var spqcd = {};
  7666. if (spqcdSize === 8) {
  7667. spqcd.epsilon = data[j++] >> 3;
  7668. spqcd.mu = 0;
  7669. } else {
  7670. spqcd.epsilon = data[j] >> 3;
  7671. spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
  7672. j += 2;
  7673. }
  7674. spqcds.push(spqcd);
  7675. }
  7676. qcd.SPqcds = spqcds;
  7677. if (context.mainHeader) {
  7678. context.QCD = qcd;
  7679. } else {
  7680. context.currentTile.QCD = qcd;
  7681. context.currentTile.QCC = [];
  7682. }
  7683. break;
  7684. case 0xff5d:
  7685. length = (0, _core_utils.readUint16)(data, position);
  7686. var qcc = {};
  7687. j = position + 2;
  7688. var cqcc;
  7689. if (context.SIZ.Csiz < 257) {
  7690. cqcc = data[j++];
  7691. } else {
  7692. cqcc = (0, _core_utils.readUint16)(data, j);
  7693. j += 2;
  7694. }
  7695. sqcd = data[j++];
  7696. switch (sqcd & 0x1f) {
  7697. case 0:
  7698. spqcdSize = 8;
  7699. scalarExpounded = true;
  7700. break;
  7701. case 1:
  7702. spqcdSize = 16;
  7703. scalarExpounded = false;
  7704. break;
  7705. case 2:
  7706. spqcdSize = 16;
  7707. scalarExpounded = true;
  7708. break;
  7709. default:
  7710. throw new Error("Invalid SQcd value " + sqcd);
  7711. }
  7712. qcc.noQuantization = spqcdSize === 8;
  7713. qcc.scalarExpounded = scalarExpounded;
  7714. qcc.guardBits = sqcd >> 5;
  7715. spqcds = [];
  7716. while (j < length + position) {
  7717. spqcd = {};
  7718. if (spqcdSize === 8) {
  7719. spqcd.epsilon = data[j++] >> 3;
  7720. spqcd.mu = 0;
  7721. } else {
  7722. spqcd.epsilon = data[j] >> 3;
  7723. spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
  7724. j += 2;
  7725. }
  7726. spqcds.push(spqcd);
  7727. }
  7728. qcc.SPqcds = spqcds;
  7729. if (context.mainHeader) {
  7730. context.QCC[cqcc] = qcc;
  7731. } else {
  7732. context.currentTile.QCC[cqcc] = qcc;
  7733. }
  7734. break;
  7735. case 0xff52:
  7736. length = (0, _core_utils.readUint16)(data, position);
  7737. var cod = {};
  7738. j = position + 2;
  7739. var scod = data[j++];
  7740. cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
  7741. cod.sopMarkerUsed = !!(scod & 2);
  7742. cod.ephMarkerUsed = !!(scod & 4);
  7743. cod.progressionOrder = data[j++];
  7744. cod.layersCount = (0, _core_utils.readUint16)(data, j);
  7745. j += 2;
  7746. cod.multipleComponentTransform = data[j++];
  7747. cod.decompositionLevelsCount = data[j++];
  7748. cod.xcb = (data[j++] & 0xf) + 2;
  7749. cod.ycb = (data[j++] & 0xf) + 2;
  7750. var blockStyle = data[j++];
  7751. cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
  7752. cod.resetContextProbabilities = !!(blockStyle & 2);
  7753. cod.terminationOnEachCodingPass = !!(blockStyle & 4);
  7754. cod.verticallyStripe = !!(blockStyle & 8);
  7755. cod.predictableTermination = !!(blockStyle & 16);
  7756. cod.segmentationSymbolUsed = !!(blockStyle & 32);
  7757. cod.reversibleTransformation = data[j++];
  7758. if (cod.entropyCoderWithCustomPrecincts) {
  7759. var precinctsSizes = [];
  7760. while (j < length + position) {
  7761. var precinctsSize = data[j++];
  7762. precinctsSizes.push({
  7763. PPx: precinctsSize & 0xf,
  7764. PPy: precinctsSize >> 4
  7765. });
  7766. }
  7767. cod.precinctsSizes = precinctsSizes;
  7768. }
  7769. var unsupported = [];
  7770. if (cod.selectiveArithmeticCodingBypass) {
  7771. unsupported.push("selectiveArithmeticCodingBypass");
  7772. }
  7773. if (cod.resetContextProbabilities) {
  7774. unsupported.push("resetContextProbabilities");
  7775. }
  7776. if (cod.terminationOnEachCodingPass) {
  7777. unsupported.push("terminationOnEachCodingPass");
  7778. }
  7779. if (cod.verticallyStripe) {
  7780. unsupported.push("verticallyStripe");
  7781. }
  7782. if (cod.predictableTermination) {
  7783. unsupported.push("predictableTermination");
  7784. }
  7785. if (unsupported.length > 0) {
  7786. doNotRecover = true;
  7787. (0, _util.warn)("JPX: Unsupported COD options (".concat(unsupported.join(", "), ")."));
  7788. }
  7789. if (context.mainHeader) {
  7790. context.COD = cod;
  7791. } else {
  7792. context.currentTile.COD = cod;
  7793. context.currentTile.COC = [];
  7794. }
  7795. break;
  7796. case 0xff90:
  7797. length = (0, _core_utils.readUint16)(data, position);
  7798. tile = {};
  7799. tile.index = (0, _core_utils.readUint16)(data, position + 2);
  7800. tile.length = (0, _core_utils.readUint32)(data, position + 4);
  7801. tile.dataEnd = tile.length + position - 2;
  7802. tile.partIndex = data[position + 8];
  7803. tile.partsCount = data[position + 9];
  7804. context.mainHeader = false;
  7805. if (tile.partIndex === 0) {
  7806. tile.COD = context.COD;
  7807. tile.COC = context.COC.slice(0);
  7808. tile.QCD = context.QCD;
  7809. tile.QCC = context.QCC.slice(0);
  7810. }
  7811. context.currentTile = tile;
  7812. break;
  7813. case 0xff93:
  7814. tile = context.currentTile;
  7815. if (tile.partIndex === 0) {
  7816. initializeTile(context, tile.index);
  7817. buildPackets(context);
  7818. }
  7819. length = tile.dataEnd - position;
  7820. parseTilePackets(context, data, position, length);
  7821. break;
  7822. case 0xff53:
  7823. (0, _util.warn)("JPX: Codestream code 0xFF53 (COC) is not implemented.");
  7824. case 0xff55:
  7825. case 0xff57:
  7826. case 0xff58:
  7827. case 0xff64:
  7828. length = (0, _core_utils.readUint16)(data, position);
  7829. break;
  7830. default:
  7831. throw new Error("Unknown codestream code: " + code.toString(16));
  7832. }
  7833. position += length;
  7834. }
  7835. } catch (e) {
  7836. if (doNotRecover || this.failOnCorruptedImage) {
  7837. throw new JpxError(e.message);
  7838. } else {
  7839. (0, _util.warn)("JPX: Trying to recover from: \"".concat(e.message, "\"."));
  7840. }
  7841. }
  7842. this.tiles = transformComponents(context);
  7843. this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
  7844. this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
  7845. this.componentsCount = context.SIZ.Csiz;
  7846. }
  7847. };
  7848. function calculateComponentDimensions(component, siz) {
  7849. component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
  7850. component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
  7851. component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
  7852. component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
  7853. component.width = component.x1 - component.x0;
  7854. component.height = component.y1 - component.y0;
  7855. }
  7856. function calculateTileGrids(context, components) {
  7857. var siz = context.SIZ;
  7858. var tile,
  7859. tiles = [];
  7860. var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
  7861. var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
  7862. for (var q = 0; q < numYtiles; q++) {
  7863. for (var p = 0; p < numXtiles; p++) {
  7864. tile = {};
  7865. tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
  7866. tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
  7867. tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
  7868. tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
  7869. tile.width = tile.tx1 - tile.tx0;
  7870. tile.height = tile.ty1 - tile.ty0;
  7871. tile.components = [];
  7872. tiles.push(tile);
  7873. }
  7874. }
  7875. context.tiles = tiles;
  7876. var componentsCount = siz.Csiz;
  7877. for (var i = 0, ii = componentsCount; i < ii; i++) {
  7878. var component = components[i];
  7879. for (var j = 0, jj = tiles.length; j < jj; j++) {
  7880. var tileComponent = {};
  7881. tile = tiles[j];
  7882. tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
  7883. tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
  7884. tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
  7885. tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
  7886. tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
  7887. tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
  7888. tile.components[i] = tileComponent;
  7889. }
  7890. }
  7891. }
  7892. function getBlocksDimensions(context, component, r) {
  7893. var codOrCoc = component.codingStyleParameters;
  7894. var result = {};
  7895. if (!codOrCoc.entropyCoderWithCustomPrecincts) {
  7896. result.PPx = 15;
  7897. result.PPy = 15;
  7898. } else {
  7899. result.PPx = codOrCoc.precinctsSizes[r].PPx;
  7900. result.PPy = codOrCoc.precinctsSizes[r].PPy;
  7901. }
  7902. result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
  7903. result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
  7904. return result;
  7905. }
  7906. function buildPrecincts(context, resolution, dimensions) {
  7907. var precinctWidth = 1 << dimensions.PPx;
  7908. var precinctHeight = 1 << dimensions.PPy;
  7909. var isZeroRes = resolution.resLevel === 0;
  7910. var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
  7911. var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
  7912. var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
  7913. var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
  7914. var numprecincts = numprecinctswide * numprecinctshigh;
  7915. resolution.precinctParameters = {
  7916. precinctWidth: precinctWidth,
  7917. precinctHeight: precinctHeight,
  7918. numprecinctswide: numprecinctswide,
  7919. numprecinctshigh: numprecinctshigh,
  7920. numprecincts: numprecincts,
  7921. precinctWidthInSubband: precinctWidthInSubband,
  7922. precinctHeightInSubband: precinctHeightInSubband
  7923. };
  7924. }
  7925. function buildCodeblocks(context, subband, dimensions) {
  7926. var xcb_ = dimensions.xcb_;
  7927. var ycb_ = dimensions.ycb_;
  7928. var codeblockWidth = 1 << xcb_;
  7929. var codeblockHeight = 1 << ycb_;
  7930. var cbx0 = subband.tbx0 >> xcb_;
  7931. var cby0 = subband.tby0 >> ycb_;
  7932. var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
  7933. var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
  7934. var precinctParameters = subband.resolution.precinctParameters;
  7935. var codeblocks = [];
  7936. var precincts = [];
  7937. var i, j, codeblock, precinctNumber;
  7938. for (j = cby0; j < cby1; j++) {
  7939. for (i = cbx0; i < cbx1; i++) {
  7940. codeblock = {
  7941. cbx: i,
  7942. cby: j,
  7943. tbx0: codeblockWidth * i,
  7944. tby0: codeblockHeight * j,
  7945. tbx1: codeblockWidth * (i + 1),
  7946. tby1: codeblockHeight * (j + 1)
  7947. };
  7948. codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
  7949. codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
  7950. codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
  7951. codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
  7952. var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
  7953. var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
  7954. precinctNumber = pi + pj * precinctParameters.numprecinctswide;
  7955. codeblock.precinctNumber = precinctNumber;
  7956. codeblock.subbandType = subband.type;
  7957. codeblock.Lblock = 3;
  7958. if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
  7959. continue;
  7960. }
  7961. codeblocks.push(codeblock);
  7962. var precinct = precincts[precinctNumber];
  7963. if (precinct !== undefined) {
  7964. if (i < precinct.cbxMin) {
  7965. precinct.cbxMin = i;
  7966. } else if (i > precinct.cbxMax) {
  7967. precinct.cbxMax = i;
  7968. }
  7969. if (j < precinct.cbyMin) {
  7970. precinct.cbxMin = j;
  7971. } else if (j > precinct.cbyMax) {
  7972. precinct.cbyMax = j;
  7973. }
  7974. } else {
  7975. precincts[precinctNumber] = precinct = {
  7976. cbxMin: i,
  7977. cbyMin: j,
  7978. cbxMax: i,
  7979. cbyMax: j
  7980. };
  7981. }
  7982. codeblock.precinct = precinct;
  7983. }
  7984. }
  7985. subband.codeblockParameters = {
  7986. codeblockWidth: xcb_,
  7987. codeblockHeight: ycb_,
  7988. numcodeblockwide: cbx1 - cbx0 + 1,
  7989. numcodeblockhigh: cby1 - cby0 + 1
  7990. };
  7991. subband.codeblocks = codeblocks;
  7992. subband.precincts = precincts;
  7993. }
  7994. function createPacket(resolution, precinctNumber, layerNumber) {
  7995. var precinctCodeblocks = [];
  7996. var subbands = resolution.subbands;
  7997. for (var i = 0, ii = subbands.length; i < ii; i++) {
  7998. var subband = subbands[i];
  7999. var codeblocks = subband.codeblocks;
  8000. for (var j = 0, jj = codeblocks.length; j < jj; j++) {
  8001. var codeblock = codeblocks[j];
  8002. if (codeblock.precinctNumber !== precinctNumber) {
  8003. continue;
  8004. }
  8005. precinctCodeblocks.push(codeblock);
  8006. }
  8007. }
  8008. return {
  8009. layerNumber: layerNumber,
  8010. codeblocks: precinctCodeblocks
  8011. };
  8012. }
  8013. function LayerResolutionComponentPositionIterator(context) {
  8014. var siz = context.SIZ;
  8015. var tileIndex = context.currentTile.index;
  8016. var tile = context.tiles[tileIndex];
  8017. var layersCount = tile.codingStyleDefaultParameters.layersCount;
  8018. var componentsCount = siz.Csiz;
  8019. var maxDecompositionLevelsCount = 0;
  8020. for (var q = 0; q < componentsCount; q++) {
  8021. maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
  8022. }
  8023. var l = 0,
  8024. r = 0,
  8025. i = 0,
  8026. k = 0;
  8027. this.nextPacket = function JpxImage_nextPacket() {
  8028. for (; l < layersCount; l++) {
  8029. for (; r <= maxDecompositionLevelsCount; r++) {
  8030. for (; i < componentsCount; i++) {
  8031. var component = tile.components[i];
  8032. if (r > component.codingStyleParameters.decompositionLevelsCount) {
  8033. continue;
  8034. }
  8035. var resolution = component.resolutions[r];
  8036. var numprecincts = resolution.precinctParameters.numprecincts;
  8037. for (; k < numprecincts;) {
  8038. var packet = createPacket(resolution, k, l);
  8039. k++;
  8040. return packet;
  8041. }
  8042. k = 0;
  8043. }
  8044. i = 0;
  8045. }
  8046. r = 0;
  8047. }
  8048. throw new JpxError("Out of packets");
  8049. };
  8050. }
  8051. function ResolutionLayerComponentPositionIterator(context) {
  8052. var siz = context.SIZ;
  8053. var tileIndex = context.currentTile.index;
  8054. var tile = context.tiles[tileIndex];
  8055. var layersCount = tile.codingStyleDefaultParameters.layersCount;
  8056. var componentsCount = siz.Csiz;
  8057. var maxDecompositionLevelsCount = 0;
  8058. for (var q = 0; q < componentsCount; q++) {
  8059. maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
  8060. }
  8061. var r = 0,
  8062. l = 0,
  8063. i = 0,
  8064. k = 0;
  8065. this.nextPacket = function JpxImage_nextPacket() {
  8066. for (; r <= maxDecompositionLevelsCount; r++) {
  8067. for (; l < layersCount; l++) {
  8068. for (; i < componentsCount; i++) {
  8069. var component = tile.components[i];
  8070. if (r > component.codingStyleParameters.decompositionLevelsCount) {
  8071. continue;
  8072. }
  8073. var resolution = component.resolutions[r];
  8074. var numprecincts = resolution.precinctParameters.numprecincts;
  8075. for (; k < numprecincts;) {
  8076. var packet = createPacket(resolution, k, l);
  8077. k++;
  8078. return packet;
  8079. }
  8080. k = 0;
  8081. }
  8082. i = 0;
  8083. }
  8084. l = 0;
  8085. }
  8086. throw new JpxError("Out of packets");
  8087. };
  8088. }
  8089. function ResolutionPositionComponentLayerIterator(context) {
  8090. var siz = context.SIZ;
  8091. var tileIndex = context.currentTile.index;
  8092. var tile = context.tiles[tileIndex];
  8093. var layersCount = tile.codingStyleDefaultParameters.layersCount;
  8094. var componentsCount = siz.Csiz;
  8095. var l, r, c, p;
  8096. var maxDecompositionLevelsCount = 0;
  8097. for (c = 0; c < componentsCount; c++) {
  8098. var component = tile.components[c];
  8099. maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
  8100. }
  8101. var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
  8102. for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
  8103. var maxNumPrecincts = 0;
  8104. for (c = 0; c < componentsCount; ++c) {
  8105. var resolutions = tile.components[c].resolutions;
  8106. if (r < resolutions.length) {
  8107. maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
  8108. }
  8109. }
  8110. maxNumPrecinctsInLevel[r] = maxNumPrecincts;
  8111. }
  8112. l = 0;
  8113. r = 0;
  8114. c = 0;
  8115. p = 0;
  8116. this.nextPacket = function JpxImage_nextPacket() {
  8117. for (; r <= maxDecompositionLevelsCount; r++) {
  8118. for (; p < maxNumPrecinctsInLevel[r]; p++) {
  8119. for (; c < componentsCount; c++) {
  8120. var _component = tile.components[c];
  8121. if (r > _component.codingStyleParameters.decompositionLevelsCount) {
  8122. continue;
  8123. }
  8124. var resolution = _component.resolutions[r];
  8125. var numprecincts = resolution.precinctParameters.numprecincts;
  8126. if (p >= numprecincts) {
  8127. continue;
  8128. }
  8129. for (; l < layersCount;) {
  8130. var packet = createPacket(resolution, p, l);
  8131. l++;
  8132. return packet;
  8133. }
  8134. l = 0;
  8135. }
  8136. c = 0;
  8137. }
  8138. p = 0;
  8139. }
  8140. throw new JpxError("Out of packets");
  8141. };
  8142. }
  8143. function PositionComponentResolutionLayerIterator(context) {
  8144. var siz = context.SIZ;
  8145. var tileIndex = context.currentTile.index;
  8146. var tile = context.tiles[tileIndex];
  8147. var layersCount = tile.codingStyleDefaultParameters.layersCount;
  8148. var componentsCount = siz.Csiz;
  8149. var precinctsSizes = getPrecinctSizesInImageScale(tile);
  8150. var precinctsIterationSizes = precinctsSizes;
  8151. var l = 0,
  8152. r = 0,
  8153. c = 0,
  8154. px = 0,
  8155. py = 0;
  8156. this.nextPacket = function JpxImage_nextPacket() {
  8157. for (; py < precinctsIterationSizes.maxNumHigh; py++) {
  8158. for (; px < precinctsIterationSizes.maxNumWide; px++) {
  8159. for (; c < componentsCount; c++) {
  8160. var component = tile.components[c];
  8161. var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
  8162. for (; r <= decompositionLevelsCount; r++) {
  8163. var resolution = component.resolutions[r];
  8164. var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
  8165. var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
  8166. if (k === null) {
  8167. continue;
  8168. }
  8169. for (; l < layersCount;) {
  8170. var packet = createPacket(resolution, k, l);
  8171. l++;
  8172. return packet;
  8173. }
  8174. l = 0;
  8175. }
  8176. r = 0;
  8177. }
  8178. c = 0;
  8179. }
  8180. px = 0;
  8181. }
  8182. throw new JpxError("Out of packets");
  8183. };
  8184. }
  8185. function ComponentPositionResolutionLayerIterator(context) {
  8186. var siz = context.SIZ;
  8187. var tileIndex = context.currentTile.index;
  8188. var tile = context.tiles[tileIndex];
  8189. var layersCount = tile.codingStyleDefaultParameters.layersCount;
  8190. var componentsCount = siz.Csiz;
  8191. var precinctsSizes = getPrecinctSizesInImageScale(tile);
  8192. var l = 0,
  8193. r = 0,
  8194. c = 0,
  8195. px = 0,
  8196. py = 0;
  8197. this.nextPacket = function JpxImage_nextPacket() {
  8198. for (; c < componentsCount; ++c) {
  8199. var component = tile.components[c];
  8200. var precinctsIterationSizes = precinctsSizes.components[c];
  8201. var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
  8202. for (; py < precinctsIterationSizes.maxNumHigh; py++) {
  8203. for (; px < precinctsIterationSizes.maxNumWide; px++) {
  8204. for (; r <= decompositionLevelsCount; r++) {
  8205. var resolution = component.resolutions[r];
  8206. var sizeInImageScale = precinctsIterationSizes.resolutions[r];
  8207. var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
  8208. if (k === null) {
  8209. continue;
  8210. }
  8211. for (; l < layersCount;) {
  8212. var packet = createPacket(resolution, k, l);
  8213. l++;
  8214. return packet;
  8215. }
  8216. l = 0;
  8217. }
  8218. r = 0;
  8219. }
  8220. px = 0;
  8221. }
  8222. py = 0;
  8223. }
  8224. throw new JpxError("Out of packets");
  8225. };
  8226. }
  8227. function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
  8228. var posX = pxIndex * precinctIterationSizes.minWidth;
  8229. var posY = pyIndex * precinctIterationSizes.minHeight;
  8230. if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
  8231. return null;
  8232. }
  8233. var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
  8234. return posX / sizeInImageScale.height + startPrecinctRowIndex;
  8235. }
  8236. function getPrecinctSizesInImageScale(tile) {
  8237. var componentsCount = tile.components.length;
  8238. var minWidth = Number.MAX_VALUE;
  8239. var minHeight = Number.MAX_VALUE;
  8240. var maxNumWide = 0;
  8241. var maxNumHigh = 0;
  8242. var sizePerComponent = new Array(componentsCount);
  8243. for (var c = 0; c < componentsCount; c++) {
  8244. var component = tile.components[c];
  8245. var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
  8246. var sizePerResolution = new Array(decompositionLevelsCount + 1);
  8247. var minWidthCurrentComponent = Number.MAX_VALUE;
  8248. var minHeightCurrentComponent = Number.MAX_VALUE;
  8249. var maxNumWideCurrentComponent = 0;
  8250. var maxNumHighCurrentComponent = 0;
  8251. var scale = 1;
  8252. for (var r = decompositionLevelsCount; r >= 0; --r) {
  8253. var resolution = component.resolutions[r];
  8254. var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
  8255. var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
  8256. minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
  8257. minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
  8258. maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
  8259. maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
  8260. sizePerResolution[r] = {
  8261. width: widthCurrentResolution,
  8262. height: heightCurrentResolution
  8263. };
  8264. scale <<= 1;
  8265. }
  8266. minWidth = Math.min(minWidth, minWidthCurrentComponent);
  8267. minHeight = Math.min(minHeight, minHeightCurrentComponent);
  8268. maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
  8269. maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
  8270. sizePerComponent[c] = {
  8271. resolutions: sizePerResolution,
  8272. minWidth: minWidthCurrentComponent,
  8273. minHeight: minHeightCurrentComponent,
  8274. maxNumWide: maxNumWideCurrentComponent,
  8275. maxNumHigh: maxNumHighCurrentComponent
  8276. };
  8277. }
  8278. return {
  8279. components: sizePerComponent,
  8280. minWidth: minWidth,
  8281. minHeight: minHeight,
  8282. maxNumWide: maxNumWide,
  8283. maxNumHigh: maxNumHigh
  8284. };
  8285. }
  8286. function buildPackets(context) {
  8287. var siz = context.SIZ;
  8288. var tileIndex = context.currentTile.index;
  8289. var tile = context.tiles[tileIndex];
  8290. var componentsCount = siz.Csiz;
  8291. for (var c = 0; c < componentsCount; c++) {
  8292. var component = tile.components[c];
  8293. var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
  8294. var resolutions = [];
  8295. var subbands = [];
  8296. for (var r = 0; r <= decompositionLevelsCount; r++) {
  8297. var blocksDimensions = getBlocksDimensions(context, component, r);
  8298. var resolution = {};
  8299. var scale = 1 << decompositionLevelsCount - r;
  8300. resolution.trx0 = Math.ceil(component.tcx0 / scale);
  8301. resolution.try0 = Math.ceil(component.tcy0 / scale);
  8302. resolution.trx1 = Math.ceil(component.tcx1 / scale);
  8303. resolution.try1 = Math.ceil(component.tcy1 / scale);
  8304. resolution.resLevel = r;
  8305. buildPrecincts(context, resolution, blocksDimensions);
  8306. resolutions.push(resolution);
  8307. var subband;
  8308. if (r === 0) {
  8309. subband = {};
  8310. subband.type = "LL";
  8311. subband.tbx0 = Math.ceil(component.tcx0 / scale);
  8312. subband.tby0 = Math.ceil(component.tcy0 / scale);
  8313. subband.tbx1 = Math.ceil(component.tcx1 / scale);
  8314. subband.tby1 = Math.ceil(component.tcy1 / scale);
  8315. subband.resolution = resolution;
  8316. buildCodeblocks(context, subband, blocksDimensions);
  8317. subbands.push(subband);
  8318. resolution.subbands = [subband];
  8319. } else {
  8320. var bscale = 1 << decompositionLevelsCount - r + 1;
  8321. var resolutionSubbands = [];
  8322. subband = {};
  8323. subband.type = "HL";
  8324. subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
  8325. subband.tby0 = Math.ceil(component.tcy0 / bscale);
  8326. subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
  8327. subband.tby1 = Math.ceil(component.tcy1 / bscale);
  8328. subband.resolution = resolution;
  8329. buildCodeblocks(context, subband, blocksDimensions);
  8330. subbands.push(subband);
  8331. resolutionSubbands.push(subband);
  8332. subband = {};
  8333. subband.type = "LH";
  8334. subband.tbx0 = Math.ceil(component.tcx0 / bscale);
  8335. subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
  8336. subband.tbx1 = Math.ceil(component.tcx1 / bscale);
  8337. subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
  8338. subband.resolution = resolution;
  8339. buildCodeblocks(context, subband, blocksDimensions);
  8340. subbands.push(subband);
  8341. resolutionSubbands.push(subband);
  8342. subband = {};
  8343. subband.type = "HH";
  8344. subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
  8345. subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
  8346. subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
  8347. subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
  8348. subband.resolution = resolution;
  8349. buildCodeblocks(context, subband, blocksDimensions);
  8350. subbands.push(subband);
  8351. resolutionSubbands.push(subband);
  8352. resolution.subbands = resolutionSubbands;
  8353. }
  8354. }
  8355. component.resolutions = resolutions;
  8356. component.subbands = subbands;
  8357. }
  8358. var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
  8359. switch (progressionOrder) {
  8360. case 0:
  8361. tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
  8362. break;
  8363. case 1:
  8364. tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
  8365. break;
  8366. case 2:
  8367. tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
  8368. break;
  8369. case 3:
  8370. tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
  8371. break;
  8372. case 4:
  8373. tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
  8374. break;
  8375. default:
  8376. throw new JpxError("Unsupported progression order ".concat(progressionOrder));
  8377. }
  8378. }
  8379. function parseTilePackets(context, data, offset, dataLength) {
  8380. var position = 0;
  8381. var buffer,
  8382. bufferSize = 0,
  8383. skipNextBit = false;
  8384. function readBits(count) {
  8385. while (bufferSize < count) {
  8386. var b = data[offset + position];
  8387. position++;
  8388. if (skipNextBit) {
  8389. buffer = buffer << 7 | b;
  8390. bufferSize += 7;
  8391. skipNextBit = false;
  8392. } else {
  8393. buffer = buffer << 8 | b;
  8394. bufferSize += 8;
  8395. }
  8396. if (b === 0xff) {
  8397. skipNextBit = true;
  8398. }
  8399. }
  8400. bufferSize -= count;
  8401. return buffer >>> bufferSize & (1 << count) - 1;
  8402. }
  8403. function skipMarkerIfEqual(value) {
  8404. if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
  8405. skipBytes(1);
  8406. return true;
  8407. } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
  8408. skipBytes(2);
  8409. return true;
  8410. }
  8411. return false;
  8412. }
  8413. function skipBytes(count) {
  8414. position += count;
  8415. }
  8416. function alignToByte() {
  8417. bufferSize = 0;
  8418. if (skipNextBit) {
  8419. position++;
  8420. skipNextBit = false;
  8421. }
  8422. }
  8423. function readCodingpasses() {
  8424. if (readBits(1) === 0) {
  8425. return 1;
  8426. }
  8427. if (readBits(1) === 0) {
  8428. return 2;
  8429. }
  8430. var value = readBits(2);
  8431. if (value < 3) {
  8432. return value + 3;
  8433. }
  8434. value = readBits(5);
  8435. if (value < 31) {
  8436. return value + 6;
  8437. }
  8438. value = readBits(7);
  8439. return value + 37;
  8440. }
  8441. var tileIndex = context.currentTile.index;
  8442. var tile = context.tiles[tileIndex];
  8443. var sopMarkerUsed = context.COD.sopMarkerUsed;
  8444. var ephMarkerUsed = context.COD.ephMarkerUsed;
  8445. var packetsIterator = tile.packetsIterator;
  8446. while (position < dataLength) {
  8447. alignToByte();
  8448. if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
  8449. skipBytes(4);
  8450. }
  8451. var packet = packetsIterator.nextPacket();
  8452. if (!readBits(1)) {
  8453. continue;
  8454. }
  8455. var layerNumber = packet.layerNumber;
  8456. var queue = [],
  8457. codeblock;
  8458. for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
  8459. codeblock = packet.codeblocks[i];
  8460. var precinct = codeblock.precinct;
  8461. var codeblockColumn = codeblock.cbx - precinct.cbxMin;
  8462. var codeblockRow = codeblock.cby - precinct.cbyMin;
  8463. var codeblockIncluded = false;
  8464. var firstTimeInclusion = false;
  8465. var valueReady;
  8466. if (codeblock.included !== undefined) {
  8467. codeblockIncluded = !!readBits(1);
  8468. } else {
  8469. precinct = codeblock.precinct;
  8470. var inclusionTree, zeroBitPlanesTree;
  8471. if (precinct.inclusionTree !== undefined) {
  8472. inclusionTree = precinct.inclusionTree;
  8473. } else {
  8474. var width = precinct.cbxMax - precinct.cbxMin + 1;
  8475. var height = precinct.cbyMax - precinct.cbyMin + 1;
  8476. inclusionTree = new InclusionTree(width, height, layerNumber);
  8477. zeroBitPlanesTree = new TagTree(width, height);
  8478. precinct.inclusionTree = inclusionTree;
  8479. precinct.zeroBitPlanesTree = zeroBitPlanesTree;
  8480. }
  8481. if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
  8482. while (true) {
  8483. if (readBits(1)) {
  8484. valueReady = !inclusionTree.nextLevel();
  8485. if (valueReady) {
  8486. codeblock.included = true;
  8487. codeblockIncluded = firstTimeInclusion = true;
  8488. break;
  8489. }
  8490. } else {
  8491. inclusionTree.incrementValue(layerNumber);
  8492. break;
  8493. }
  8494. }
  8495. }
  8496. }
  8497. if (!codeblockIncluded) {
  8498. continue;
  8499. }
  8500. if (firstTimeInclusion) {
  8501. zeroBitPlanesTree = precinct.zeroBitPlanesTree;
  8502. zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
  8503. while (true) {
  8504. if (readBits(1)) {
  8505. valueReady = !zeroBitPlanesTree.nextLevel();
  8506. if (valueReady) {
  8507. break;
  8508. }
  8509. } else {
  8510. zeroBitPlanesTree.incrementValue();
  8511. }
  8512. }
  8513. codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
  8514. }
  8515. var codingpasses = readCodingpasses();
  8516. while (readBits(1)) {
  8517. codeblock.Lblock++;
  8518. }
  8519. var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
  8520. var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
  8521. var codedDataLength = readBits(bits);
  8522. queue.push({
  8523. codeblock: codeblock,
  8524. codingpasses: codingpasses,
  8525. dataLength: codedDataLength
  8526. });
  8527. }
  8528. alignToByte();
  8529. if (ephMarkerUsed) {
  8530. skipMarkerIfEqual(0x92);
  8531. }
  8532. while (queue.length > 0) {
  8533. var packetItem = queue.shift();
  8534. codeblock = packetItem.codeblock;
  8535. if (codeblock.data === undefined) {
  8536. codeblock.data = [];
  8537. }
  8538. codeblock.data.push({
  8539. data: data,
  8540. start: offset + position,
  8541. end: offset + position + packetItem.dataLength,
  8542. codingpasses: packetItem.codingpasses
  8543. });
  8544. position += packetItem.dataLength;
  8545. }
  8546. }
  8547. return position;
  8548. }
  8549. function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
  8550. var x0 = subband.tbx0;
  8551. var y0 = subband.tby0;
  8552. var width = subband.tbx1 - subband.tbx0;
  8553. var codeblocks = subband.codeblocks;
  8554. var right = subband.type.charAt(0) === "H" ? 1 : 0;
  8555. var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
  8556. for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
  8557. var codeblock = codeblocks[i];
  8558. var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
  8559. var blockHeight = codeblock.tby1_ - codeblock.tby0_;
  8560. if (blockWidth === 0 || blockHeight === 0) {
  8561. continue;
  8562. }
  8563. if (codeblock.data === undefined) {
  8564. continue;
  8565. }
  8566. var bitModel, currentCodingpassType;
  8567. bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
  8568. currentCodingpassType = 2;
  8569. var data = codeblock.data,
  8570. totalLength = 0,
  8571. codingpasses = 0;
  8572. var j, jj, dataItem;
  8573. for (j = 0, jj = data.length; j < jj; j++) {
  8574. dataItem = data[j];
  8575. totalLength += dataItem.end - dataItem.start;
  8576. codingpasses += dataItem.codingpasses;
  8577. }
  8578. var encodedData = new Uint8Array(totalLength);
  8579. var position = 0;
  8580. for (j = 0, jj = data.length; j < jj; j++) {
  8581. dataItem = data[j];
  8582. var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
  8583. encodedData.set(chunk, position);
  8584. position += chunk.length;
  8585. }
  8586. var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
  8587. bitModel.setDecoder(decoder);
  8588. for (j = 0; j < codingpasses; j++) {
  8589. switch (currentCodingpassType) {
  8590. case 0:
  8591. bitModel.runSignificancePropagationPass();
  8592. break;
  8593. case 1:
  8594. bitModel.runMagnitudeRefinementPass();
  8595. break;
  8596. case 2:
  8597. bitModel.runCleanupPass();
  8598. if (segmentationSymbolUsed) {
  8599. bitModel.checkSegmentationSymbol();
  8600. }
  8601. break;
  8602. }
  8603. currentCodingpassType = (currentCodingpassType + 1) % 3;
  8604. }
  8605. var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
  8606. var sign = bitModel.coefficentsSign;
  8607. var magnitude = bitModel.coefficentsMagnitude;
  8608. var bitsDecoded = bitModel.bitsDecoded;
  8609. var magnitudeCorrection = reversible ? 0 : 0.5;
  8610. var k, n, nb;
  8611. position = 0;
  8612. var interleave = subband.type !== "LL";
  8613. for (j = 0; j < blockHeight; j++) {
  8614. var row = offset / width | 0;
  8615. var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
  8616. for (k = 0; k < blockWidth; k++) {
  8617. n = magnitude[position];
  8618. if (n !== 0) {
  8619. n = (n + magnitudeCorrection) * delta;
  8620. if (sign[position] !== 0) {
  8621. n = -n;
  8622. }
  8623. nb = bitsDecoded[position];
  8624. var pos = interleave ? levelOffset + (offset << 1) : offset;
  8625. if (reversible && nb >= mb) {
  8626. coefficients[pos] = n;
  8627. } else {
  8628. coefficients[pos] = n * (1 << mb - nb);
  8629. }
  8630. }
  8631. offset++;
  8632. position++;
  8633. }
  8634. offset += width - blockWidth;
  8635. }
  8636. }
  8637. }
  8638. function transformTile(context, tile, c) {
  8639. var component = tile.components[c];
  8640. var codingStyleParameters = component.codingStyleParameters;
  8641. var quantizationParameters = component.quantizationParameters;
  8642. var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
  8643. var spqcds = quantizationParameters.SPqcds;
  8644. var scalarExpounded = quantizationParameters.scalarExpounded;
  8645. var guardBits = quantizationParameters.guardBits;
  8646. var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
  8647. var precision = context.components[c].precision;
  8648. var reversible = codingStyleParameters.reversibleTransformation;
  8649. var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
  8650. var subbandCoefficients = [];
  8651. var b = 0;
  8652. for (var i = 0; i <= decompositionLevelsCount; i++) {
  8653. var resolution = component.resolutions[i];
  8654. var width = resolution.trx1 - resolution.trx0;
  8655. var height = resolution.try1 - resolution.try0;
  8656. var coefficients = new Float32Array(width * height);
  8657. for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
  8658. var mu, epsilon;
  8659. if (!scalarExpounded) {
  8660. mu = spqcds[0].mu;
  8661. epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
  8662. } else {
  8663. mu = spqcds[b].mu;
  8664. epsilon = spqcds[b].epsilon;
  8665. b++;
  8666. }
  8667. var subband = resolution.subbands[j];
  8668. var gainLog2 = SubbandsGainLog2[subband.type];
  8669. var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
  8670. var mb = guardBits + epsilon - 1;
  8671. copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
  8672. }
  8673. subbandCoefficients.push({
  8674. width: width,
  8675. height: height,
  8676. items: coefficients
  8677. });
  8678. }
  8679. var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
  8680. return {
  8681. left: component.tcx0,
  8682. top: component.tcy0,
  8683. width: result.width,
  8684. height: result.height,
  8685. items: result.items
  8686. };
  8687. }
  8688. function transformComponents(context) {
  8689. var siz = context.SIZ;
  8690. var components = context.components;
  8691. var componentsCount = siz.Csiz;
  8692. var resultImages = [];
  8693. for (var i = 0, ii = context.tiles.length; i < ii; i++) {
  8694. var tile = context.tiles[i];
  8695. var transformedTiles = [];
  8696. var c;
  8697. for (c = 0; c < componentsCount; c++) {
  8698. transformedTiles[c] = transformTile(context, tile, c);
  8699. }
  8700. var tile0 = transformedTiles[0];
  8701. var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
  8702. var result = {
  8703. left: tile0.left,
  8704. top: tile0.top,
  8705. width: tile0.width,
  8706. height: tile0.height,
  8707. items: out
  8708. };
  8709. var shift, offset;
  8710. var pos = 0,
  8711. j,
  8712. jj,
  8713. y0,
  8714. y1,
  8715. y2;
  8716. if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
  8717. var fourComponents = componentsCount === 4;
  8718. var y0items = transformedTiles[0].items;
  8719. var y1items = transformedTiles[1].items;
  8720. var y2items = transformedTiles[2].items;
  8721. var y3items = fourComponents ? transformedTiles[3].items : null;
  8722. shift = components[0].precision - 8;
  8723. offset = (128 << shift) + 0.5;
  8724. var component0 = tile.components[0];
  8725. var alpha01 = componentsCount - 3;
  8726. jj = y0items.length;
  8727. if (!component0.codingStyleParameters.reversibleTransformation) {
  8728. for (j = 0; j < jj; j++, pos += alpha01) {
  8729. y0 = y0items[j] + offset;
  8730. y1 = y1items[j];
  8731. y2 = y2items[j];
  8732. out[pos++] = y0 + 1.402 * y2 >> shift;
  8733. out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
  8734. out[pos++] = y0 + 1.772 * y1 >> shift;
  8735. }
  8736. } else {
  8737. for (j = 0; j < jj; j++, pos += alpha01) {
  8738. y0 = y0items[j] + offset;
  8739. y1 = y1items[j];
  8740. y2 = y2items[j];
  8741. var g = y0 - (y2 + y1 >> 2);
  8742. out[pos++] = g + y2 >> shift;
  8743. out[pos++] = g >> shift;
  8744. out[pos++] = g + y1 >> shift;
  8745. }
  8746. }
  8747. if (fourComponents) {
  8748. for (j = 0, pos = 3; j < jj; j++, pos += 4) {
  8749. out[pos] = y3items[j] + offset >> shift;
  8750. }
  8751. }
  8752. } else {
  8753. for (c = 0; c < componentsCount; c++) {
  8754. var items = transformedTiles[c].items;
  8755. shift = components[c].precision - 8;
  8756. offset = (128 << shift) + 0.5;
  8757. for (pos = c, j = 0, jj = items.length; j < jj; j++) {
  8758. out[pos] = items[j] + offset >> shift;
  8759. pos += componentsCount;
  8760. }
  8761. }
  8762. }
  8763. resultImages.push(result);
  8764. }
  8765. return resultImages;
  8766. }
  8767. function initializeTile(context, tileIndex) {
  8768. var siz = context.SIZ;
  8769. var componentsCount = siz.Csiz;
  8770. var tile = context.tiles[tileIndex];
  8771. for (var c = 0; c < componentsCount; c++) {
  8772. var component = tile.components[c];
  8773. var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
  8774. component.quantizationParameters = qcdOrQcc;
  8775. var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
  8776. component.codingStyleParameters = codOrCoc;
  8777. }
  8778. tile.codingStyleDefaultParameters = context.currentTile.COD;
  8779. }
  8780. var TagTree = function TagTreeClosure() {
  8781. function TagTree(width, height) {
  8782. var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
  8783. this.levels = [];
  8784. for (var i = 0; i < levelsLength; i++) {
  8785. var level = {
  8786. width: width,
  8787. height: height,
  8788. items: []
  8789. };
  8790. this.levels.push(level);
  8791. width = Math.ceil(width / 2);
  8792. height = Math.ceil(height / 2);
  8793. }
  8794. }
  8795. TagTree.prototype = {
  8796. reset: function TagTree_reset(i, j) {
  8797. var currentLevel = 0,
  8798. value = 0,
  8799. level;
  8800. while (currentLevel < this.levels.length) {
  8801. level = this.levels[currentLevel];
  8802. var index = i + j * level.width;
  8803. if (level.items[index] !== undefined) {
  8804. value = level.items[index];
  8805. break;
  8806. }
  8807. level.index = index;
  8808. i >>= 1;
  8809. j >>= 1;
  8810. currentLevel++;
  8811. }
  8812. currentLevel--;
  8813. level = this.levels[currentLevel];
  8814. level.items[level.index] = value;
  8815. this.currentLevel = currentLevel;
  8816. delete this.value;
  8817. },
  8818. incrementValue: function TagTree_incrementValue() {
  8819. var level = this.levels[this.currentLevel];
  8820. level.items[level.index]++;
  8821. },
  8822. nextLevel: function TagTree_nextLevel() {
  8823. var currentLevel = this.currentLevel;
  8824. var level = this.levels[currentLevel];
  8825. var value = level.items[level.index];
  8826. currentLevel--;
  8827. if (currentLevel < 0) {
  8828. this.value = value;
  8829. return false;
  8830. }
  8831. this.currentLevel = currentLevel;
  8832. level = this.levels[currentLevel];
  8833. level.items[level.index] = value;
  8834. return true;
  8835. }
  8836. };
  8837. return TagTree;
  8838. }();
  8839. var InclusionTree = function InclusionTreeClosure() {
  8840. function InclusionTree(width, height, defaultValue) {
  8841. var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
  8842. this.levels = [];
  8843. for (var i = 0; i < levelsLength; i++) {
  8844. var items = new Uint8Array(width * height);
  8845. for (var j = 0, jj = items.length; j < jj; j++) {
  8846. items[j] = defaultValue;
  8847. }
  8848. var level = {
  8849. width: width,
  8850. height: height,
  8851. items: items
  8852. };
  8853. this.levels.push(level);
  8854. width = Math.ceil(width / 2);
  8855. height = Math.ceil(height / 2);
  8856. }
  8857. }
  8858. InclusionTree.prototype = {
  8859. reset: function InclusionTree_reset(i, j, stopValue) {
  8860. var currentLevel = 0;
  8861. while (currentLevel < this.levels.length) {
  8862. var level = this.levels[currentLevel];
  8863. var index = i + j * level.width;
  8864. level.index = index;
  8865. var value = level.items[index];
  8866. if (value === 0xff) {
  8867. break;
  8868. }
  8869. if (value > stopValue) {
  8870. this.currentLevel = currentLevel;
  8871. this.propagateValues();
  8872. return false;
  8873. }
  8874. i >>= 1;
  8875. j >>= 1;
  8876. currentLevel++;
  8877. }
  8878. this.currentLevel = currentLevel - 1;
  8879. return true;
  8880. },
  8881. incrementValue: function InclusionTree_incrementValue(stopValue) {
  8882. var level = this.levels[this.currentLevel];
  8883. level.items[level.index] = stopValue + 1;
  8884. this.propagateValues();
  8885. },
  8886. propagateValues: function InclusionTree_propagateValues() {
  8887. var levelIndex = this.currentLevel;
  8888. var level = this.levels[levelIndex];
  8889. var currentValue = level.items[level.index];
  8890. while (--levelIndex >= 0) {
  8891. level = this.levels[levelIndex];
  8892. level.items[level.index] = currentValue;
  8893. }
  8894. },
  8895. nextLevel: function InclusionTree_nextLevel() {
  8896. var currentLevel = this.currentLevel;
  8897. var level = this.levels[currentLevel];
  8898. var value = level.items[level.index];
  8899. level.items[level.index] = 0xff;
  8900. currentLevel--;
  8901. if (currentLevel < 0) {
  8902. return false;
  8903. }
  8904. this.currentLevel = currentLevel;
  8905. level = this.levels[currentLevel];
  8906. level.items[level.index] = value;
  8907. return true;
  8908. }
  8909. };
  8910. return InclusionTree;
  8911. }();
  8912. var BitModel = function BitModelClosure() {
  8913. var UNIFORM_CONTEXT = 17;
  8914. var RUNLENGTH_CONTEXT = 18;
  8915. 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]);
  8916. 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]);
  8917. 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]);
  8918. function BitModel(width, height, subband, zeroBitPlanes, mb) {
  8919. this.width = width;
  8920. this.height = height;
  8921. var contextLabelTable;
  8922. if (subband === "HH") {
  8923. contextLabelTable = HHContextLabel;
  8924. } else if (subband === "HL") {
  8925. contextLabelTable = HLContextLabel;
  8926. } else {
  8927. contextLabelTable = LLAndLHContextsLabel;
  8928. }
  8929. this.contextLabelTable = contextLabelTable;
  8930. var coefficientCount = width * height;
  8931. this.neighborsSignificance = new Uint8Array(coefficientCount);
  8932. this.coefficentsSign = new Uint8Array(coefficientCount);
  8933. var coefficentsMagnitude;
  8934. if (mb > 14) {
  8935. coefficentsMagnitude = new Uint32Array(coefficientCount);
  8936. } else if (mb > 6) {
  8937. coefficentsMagnitude = new Uint16Array(coefficientCount);
  8938. } else {
  8939. coefficentsMagnitude = new Uint8Array(coefficientCount);
  8940. }
  8941. this.coefficentsMagnitude = coefficentsMagnitude;
  8942. this.processingFlags = new Uint8Array(coefficientCount);
  8943. var bitsDecoded = new Uint8Array(coefficientCount);
  8944. if (zeroBitPlanes !== 0) {
  8945. for (var i = 0; i < coefficientCount; i++) {
  8946. bitsDecoded[i] = zeroBitPlanes;
  8947. }
  8948. }
  8949. this.bitsDecoded = bitsDecoded;
  8950. this.reset();
  8951. }
  8952. BitModel.prototype = {
  8953. setDecoder: function BitModel_setDecoder(decoder) {
  8954. this.decoder = decoder;
  8955. },
  8956. reset: function BitModel_reset() {
  8957. this.contexts = new Int8Array(19);
  8958. this.contexts[0] = 4 << 1 | 0;
  8959. this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
  8960. this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
  8961. },
  8962. setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
  8963. var neighborsSignificance = this.neighborsSignificance;
  8964. var width = this.width,
  8965. height = this.height;
  8966. var left = column > 0;
  8967. var right = column + 1 < width;
  8968. var i;
  8969. if (row > 0) {
  8970. i = index - width;
  8971. if (left) {
  8972. neighborsSignificance[i - 1] += 0x10;
  8973. }
  8974. if (right) {
  8975. neighborsSignificance[i + 1] += 0x10;
  8976. }
  8977. neighborsSignificance[i] += 0x04;
  8978. }
  8979. if (row + 1 < height) {
  8980. i = index + width;
  8981. if (left) {
  8982. neighborsSignificance[i - 1] += 0x10;
  8983. }
  8984. if (right) {
  8985. neighborsSignificance[i + 1] += 0x10;
  8986. }
  8987. neighborsSignificance[i] += 0x04;
  8988. }
  8989. if (left) {
  8990. neighborsSignificance[index - 1] += 0x01;
  8991. }
  8992. if (right) {
  8993. neighborsSignificance[index + 1] += 0x01;
  8994. }
  8995. neighborsSignificance[index] |= 0x80;
  8996. },
  8997. runSignificancePropagationPass: function BitModel_runSignificancePropagationPass() {
  8998. var decoder = this.decoder;
  8999. var width = this.width,
  9000. height = this.height;
  9001. var coefficentsMagnitude = this.coefficentsMagnitude;
  9002. var coefficentsSign = this.coefficentsSign;
  9003. var neighborsSignificance = this.neighborsSignificance;
  9004. var processingFlags = this.processingFlags;
  9005. var contexts = this.contexts;
  9006. var labels = this.contextLabelTable;
  9007. var bitsDecoded = this.bitsDecoded;
  9008. var processedInverseMask = ~1;
  9009. var processedMask = 1;
  9010. var firstMagnitudeBitMask = 2;
  9011. for (var i0 = 0; i0 < height; i0 += 4) {
  9012. for (var j = 0; j < width; j++) {
  9013. var index = i0 * width + j;
  9014. for (var i1 = 0; i1 < 4; i1++, index += width) {
  9015. var i = i0 + i1;
  9016. if (i >= height) {
  9017. break;
  9018. }
  9019. processingFlags[index] &= processedInverseMask;
  9020. if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
  9021. continue;
  9022. }
  9023. var contextLabel = labels[neighborsSignificance[index]];
  9024. var decision = decoder.readBit(contexts, contextLabel);
  9025. if (decision) {
  9026. var sign = this.decodeSignBit(i, j, index);
  9027. coefficentsSign[index] = sign;
  9028. coefficentsMagnitude[index] = 1;
  9029. this.setNeighborsSignificance(i, j, index);
  9030. processingFlags[index] |= firstMagnitudeBitMask;
  9031. }
  9032. bitsDecoded[index]++;
  9033. processingFlags[index] |= processedMask;
  9034. }
  9035. }
  9036. }
  9037. },
  9038. decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
  9039. var width = this.width,
  9040. height = this.height;
  9041. var coefficentsMagnitude = this.coefficentsMagnitude;
  9042. var coefficentsSign = this.coefficentsSign;
  9043. var contribution, sign0, sign1, significance1;
  9044. var contextLabel, decoded;
  9045. significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
  9046. if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
  9047. sign1 = coefficentsSign[index + 1];
  9048. if (significance1) {
  9049. sign0 = coefficentsSign[index - 1];
  9050. contribution = 1 - sign1 - sign0;
  9051. } else {
  9052. contribution = 1 - sign1 - sign1;
  9053. }
  9054. } else if (significance1) {
  9055. sign0 = coefficentsSign[index - 1];
  9056. contribution = 1 - sign0 - sign0;
  9057. } else {
  9058. contribution = 0;
  9059. }
  9060. var horizontalContribution = 3 * contribution;
  9061. significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
  9062. if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
  9063. sign1 = coefficentsSign[index + width];
  9064. if (significance1) {
  9065. sign0 = coefficentsSign[index - width];
  9066. contribution = 1 - sign1 - sign0 + horizontalContribution;
  9067. } else {
  9068. contribution = 1 - sign1 - sign1 + horizontalContribution;
  9069. }
  9070. } else if (significance1) {
  9071. sign0 = coefficentsSign[index - width];
  9072. contribution = 1 - sign0 - sign0 + horizontalContribution;
  9073. } else {
  9074. contribution = horizontalContribution;
  9075. }
  9076. if (contribution >= 0) {
  9077. contextLabel = 9 + contribution;
  9078. decoded = this.decoder.readBit(this.contexts, contextLabel);
  9079. } else {
  9080. contextLabel = 9 - contribution;
  9081. decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
  9082. }
  9083. return decoded;
  9084. },
  9085. runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
  9086. var decoder = this.decoder;
  9087. var width = this.width,
  9088. height = this.height;
  9089. var coefficentsMagnitude = this.coefficentsMagnitude;
  9090. var neighborsSignificance = this.neighborsSignificance;
  9091. var contexts = this.contexts;
  9092. var bitsDecoded = this.bitsDecoded;
  9093. var processingFlags = this.processingFlags;
  9094. var processedMask = 1;
  9095. var firstMagnitudeBitMask = 2;
  9096. var length = width * height;
  9097. var width4 = width * 4;
  9098. for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
  9099. indexNext = Math.min(length, index0 + width4);
  9100. for (var j = 0; j < width; j++) {
  9101. for (var index = index0 + j; index < indexNext; index += width) {
  9102. if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
  9103. continue;
  9104. }
  9105. var contextLabel = 16;
  9106. if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
  9107. processingFlags[index] ^= firstMagnitudeBitMask;
  9108. var significance = neighborsSignificance[index] & 127;
  9109. contextLabel = significance === 0 ? 15 : 14;
  9110. }
  9111. var bit = decoder.readBit(contexts, contextLabel);
  9112. coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
  9113. bitsDecoded[index]++;
  9114. processingFlags[index] |= processedMask;
  9115. }
  9116. }
  9117. }
  9118. },
  9119. runCleanupPass: function BitModel_runCleanupPass() {
  9120. var decoder = this.decoder;
  9121. var width = this.width,
  9122. height = this.height;
  9123. var neighborsSignificance = this.neighborsSignificance;
  9124. var coefficentsMagnitude = this.coefficentsMagnitude;
  9125. var coefficentsSign = this.coefficentsSign;
  9126. var contexts = this.contexts;
  9127. var labels = this.contextLabelTable;
  9128. var bitsDecoded = this.bitsDecoded;
  9129. var processingFlags = this.processingFlags;
  9130. var processedMask = 1;
  9131. var firstMagnitudeBitMask = 2;
  9132. var oneRowDown = width;
  9133. var twoRowsDown = width * 2;
  9134. var threeRowsDown = width * 3;
  9135. var iNext;
  9136. for (var i0 = 0; i0 < height; i0 = iNext) {
  9137. iNext = Math.min(i0 + 4, height);
  9138. var indexBase = i0 * width;
  9139. var checkAllEmpty = i0 + 3 < height;
  9140. for (var j = 0; j < width; j++) {
  9141. var index0 = indexBase + j;
  9142. 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;
  9143. var i1 = 0,
  9144. index = index0;
  9145. var i = i0,
  9146. sign;
  9147. if (allEmpty) {
  9148. var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
  9149. if (!hasSignificantCoefficent) {
  9150. bitsDecoded[index0]++;
  9151. bitsDecoded[index0 + oneRowDown]++;
  9152. bitsDecoded[index0 + twoRowsDown]++;
  9153. bitsDecoded[index0 + threeRowsDown]++;
  9154. continue;
  9155. }
  9156. i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
  9157. if (i1 !== 0) {
  9158. i = i0 + i1;
  9159. index += i1 * width;
  9160. }
  9161. sign = this.decodeSignBit(i, j, index);
  9162. coefficentsSign[index] = sign;
  9163. coefficentsMagnitude[index] = 1;
  9164. this.setNeighborsSignificance(i, j, index);
  9165. processingFlags[index] |= firstMagnitudeBitMask;
  9166. index = index0;
  9167. for (var i2 = i0; i2 <= i; i2++, index += width) {
  9168. bitsDecoded[index]++;
  9169. }
  9170. i1++;
  9171. }
  9172. for (i = i0 + i1; i < iNext; i++, index += width) {
  9173. if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
  9174. continue;
  9175. }
  9176. var contextLabel = labels[neighborsSignificance[index]];
  9177. var decision = decoder.readBit(contexts, contextLabel);
  9178. if (decision === 1) {
  9179. sign = this.decodeSignBit(i, j, index);
  9180. coefficentsSign[index] = sign;
  9181. coefficentsMagnitude[index] = 1;
  9182. this.setNeighborsSignificance(i, j, index);
  9183. processingFlags[index] |= firstMagnitudeBitMask;
  9184. }
  9185. bitsDecoded[index]++;
  9186. }
  9187. }
  9188. }
  9189. },
  9190. checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
  9191. var decoder = this.decoder;
  9192. var contexts = this.contexts;
  9193. 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);
  9194. if (symbol !== 0xa) {
  9195. throw new JpxError("Invalid segmentation symbol");
  9196. }
  9197. }
  9198. };
  9199. return BitModel;
  9200. }();
  9201. var Transform = function TransformClosure() {
  9202. function Transform() {}
  9203. Transform.prototype.calculate = function transformCalculate(subbands, u0, v0) {
  9204. var ll = subbands[0];
  9205. for (var i = 1, ii = subbands.length; i < ii; i++) {
  9206. ll = this.iterate(ll, subbands[i], u0, v0);
  9207. }
  9208. return ll;
  9209. };
  9210. Transform.prototype.extend = function extend(buffer, offset, size) {
  9211. var i1 = offset - 1,
  9212. j1 = offset + 1;
  9213. var i2 = offset + size - 2,
  9214. j2 = offset + size;
  9215. buffer[i1--] = buffer[j1++];
  9216. buffer[j2++] = buffer[i2--];
  9217. buffer[i1--] = buffer[j1++];
  9218. buffer[j2++] = buffer[i2--];
  9219. buffer[i1--] = buffer[j1++];
  9220. buffer[j2++] = buffer[i2--];
  9221. buffer[i1] = buffer[j1];
  9222. buffer[j2] = buffer[i2];
  9223. };
  9224. Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
  9225. var llWidth = ll.width,
  9226. llHeight = ll.height,
  9227. llItems = ll.items;
  9228. var width = hl_lh_hh.width;
  9229. var height = hl_lh_hh.height;
  9230. var items = hl_lh_hh.items;
  9231. var i, j, k, l, u, v;
  9232. for (k = 0, i = 0; i < llHeight; i++) {
  9233. l = i * 2 * width;
  9234. for (j = 0; j < llWidth; j++, k++, l += 2) {
  9235. items[l] = llItems[k];
  9236. }
  9237. }
  9238. llItems = ll.items = null;
  9239. var bufferPadding = 4;
  9240. var rowBuffer = new Float32Array(width + 2 * bufferPadding);
  9241. if (width === 1) {
  9242. if ((u0 & 1) !== 0) {
  9243. for (v = 0, k = 0; v < height; v++, k += width) {
  9244. items[k] *= 0.5;
  9245. }
  9246. }
  9247. } else {
  9248. for (v = 0, k = 0; v < height; v++, k += width) {
  9249. rowBuffer.set(items.subarray(k, k + width), bufferPadding);
  9250. this.extend(rowBuffer, bufferPadding, width);
  9251. this.filter(rowBuffer, bufferPadding, width);
  9252. items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
  9253. }
  9254. }
  9255. var numBuffers = 16;
  9256. var colBuffers = [];
  9257. for (i = 0; i < numBuffers; i++) {
  9258. colBuffers.push(new Float32Array(height + 2 * bufferPadding));
  9259. }
  9260. var b,
  9261. currentBuffer = 0;
  9262. ll = bufferPadding + height;
  9263. if (height === 1) {
  9264. if ((v0 & 1) !== 0) {
  9265. for (u = 0; u < width; u++) {
  9266. items[u] *= 0.5;
  9267. }
  9268. }
  9269. } else {
  9270. for (u = 0; u < width; u++) {
  9271. if (currentBuffer === 0) {
  9272. numBuffers = Math.min(width - u, numBuffers);
  9273. for (k = u, l = bufferPadding; l < ll; k += width, l++) {
  9274. for (b = 0; b < numBuffers; b++) {
  9275. colBuffers[b][l] = items[k + b];
  9276. }
  9277. }
  9278. currentBuffer = numBuffers;
  9279. }
  9280. currentBuffer--;
  9281. var buffer = colBuffers[currentBuffer];
  9282. this.extend(buffer, bufferPadding, height);
  9283. this.filter(buffer, bufferPadding, height);
  9284. if (currentBuffer === 0) {
  9285. k = u - numBuffers + 1;
  9286. for (l = bufferPadding; l < ll; k += width, l++) {
  9287. for (b = 0; b < numBuffers; b++) {
  9288. items[k + b] = colBuffers[b][l];
  9289. }
  9290. }
  9291. }
  9292. }
  9293. }
  9294. return {
  9295. width: width,
  9296. height: height,
  9297. items: items
  9298. };
  9299. };
  9300. return Transform;
  9301. }();
  9302. var IrreversibleTransform = function IrreversibleTransformClosure() {
  9303. function IrreversibleTransform() {
  9304. Transform.call(this);
  9305. }
  9306. IrreversibleTransform.prototype = Object.create(Transform.prototype);
  9307. IrreversibleTransform.prototype.filter = function irreversibleTransformFilter(x, offset, length) {
  9308. var len = length >> 1;
  9309. offset = offset | 0;
  9310. var j, n, current, next;
  9311. var alpha = -1.586134342059924;
  9312. var beta = -0.052980118572961;
  9313. var gamma = 0.882911075530934;
  9314. var delta = 0.443506852043971;
  9315. var K = 1.230174104914001;
  9316. var K_ = 1 / K;
  9317. j = offset - 3;
  9318. for (n = len + 4; n--; j += 2) {
  9319. x[j] *= K_;
  9320. }
  9321. j = offset - 2;
  9322. current = delta * x[j - 1];
  9323. for (n = len + 3; n--; j += 2) {
  9324. next = delta * x[j + 1];
  9325. x[j] = K * x[j] - current - next;
  9326. if (n--) {
  9327. j += 2;
  9328. current = delta * x[j + 1];
  9329. x[j] = K * x[j] - current - next;
  9330. } else {
  9331. break;
  9332. }
  9333. }
  9334. j = offset - 1;
  9335. current = gamma * x[j - 1];
  9336. for (n = len + 2; n--; j += 2) {
  9337. next = gamma * x[j + 1];
  9338. x[j] -= current + next;
  9339. if (n--) {
  9340. j += 2;
  9341. current = gamma * x[j + 1];
  9342. x[j] -= current + next;
  9343. } else {
  9344. break;
  9345. }
  9346. }
  9347. j = offset;
  9348. current = beta * x[j - 1];
  9349. for (n = len + 1; n--; j += 2) {
  9350. next = beta * x[j + 1];
  9351. x[j] -= current + next;
  9352. if (n--) {
  9353. j += 2;
  9354. current = beta * x[j + 1];
  9355. x[j] -= current + next;
  9356. } else {
  9357. break;
  9358. }
  9359. }
  9360. if (len !== 0) {
  9361. j = offset + 1;
  9362. current = alpha * x[j - 1];
  9363. for (n = len; n--; j += 2) {
  9364. next = alpha * x[j + 1];
  9365. x[j] -= current + next;
  9366. if (n--) {
  9367. j += 2;
  9368. current = alpha * x[j + 1];
  9369. x[j] -= current + next;
  9370. } else {
  9371. break;
  9372. }
  9373. }
  9374. }
  9375. };
  9376. return IrreversibleTransform;
  9377. }();
  9378. var ReversibleTransform = function ReversibleTransformClosure() {
  9379. function ReversibleTransform() {
  9380. Transform.call(this);
  9381. }
  9382. ReversibleTransform.prototype = Object.create(Transform.prototype);
  9383. ReversibleTransform.prototype.filter = function reversibleTransformFilter(x, offset, length) {
  9384. var len = length >> 1;
  9385. offset = offset | 0;
  9386. var j, n;
  9387. for (j = offset, n = len + 1; n--; j += 2) {
  9388. x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
  9389. }
  9390. for (j = offset + 1, n = len; n--; j += 2) {
  9391. x[j] += x[j - 1] + x[j + 1] >> 1;
  9392. }
  9393. };
  9394. return ReversibleTransform;
  9395. }();
  9396. return JpxImage;
  9397. }();
  9398. exports.JpxImage = JpxImage;
  9399. /***/ })
  9400. /******/ ]);
  9401. /************************************************************************/
  9402. /******/ // The module cache
  9403. /******/ var __webpack_module_cache__ = {};
  9404. /******/
  9405. /******/ // The require function
  9406. /******/ function __w_pdfjs_require__(moduleId) {
  9407. /******/ // Check if module is in cache
  9408. /******/ var cachedModule = __webpack_module_cache__[moduleId];
  9409. /******/ if (cachedModule !== undefined) {
  9410. /******/ return cachedModule.exports;
  9411. /******/ }
  9412. /******/ // Create a new module (and put it into the cache)
  9413. /******/ var module = __webpack_module_cache__[moduleId] = {
  9414. /******/ id: moduleId,
  9415. /******/ loaded: false,
  9416. /******/ exports: {}
  9417. /******/ };
  9418. /******/
  9419. /******/ // Execute the module function
  9420. /******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
  9421. /******/
  9422. /******/ // Flag the module as loaded
  9423. /******/ module.loaded = true;
  9424. /******/
  9425. /******/ // Return the exports of the module
  9426. /******/ return module.exports;
  9427. /******/ }
  9428. /******/
  9429. /************************************************************************/
  9430. /******/ /* webpack/runtime/node module decorator */
  9431. /******/ (() => {
  9432. /******/ __w_pdfjs_require__.nmd = (module) => {
  9433. /******/ module.paths = [];
  9434. /******/ if (!module.children) module.children = [];
  9435. /******/ return module;
  9436. /******/ };
  9437. /******/ })();
  9438. /******/
  9439. /************************************************************************/
  9440. var __webpack_exports__ = {};
  9441. // This entry need to be wrapped in an IIFE because it need to be in strict mode.
  9442. (() => {
  9443. "use strict";
  9444. var exports = __webpack_exports__;
  9445. Object.defineProperty(exports, "__esModule", ({
  9446. value: true
  9447. }));
  9448. Object.defineProperty(exports, "getVerbosityLevel", ({
  9449. enumerable: true,
  9450. get: function get() {
  9451. return _util.getVerbosityLevel;
  9452. }
  9453. }));
  9454. Object.defineProperty(exports, "setVerbosityLevel", ({
  9455. enumerable: true,
  9456. get: function get() {
  9457. return _util.setVerbosityLevel;
  9458. }
  9459. }));
  9460. Object.defineProperty(exports, "Jbig2mage", ({
  9461. enumerable: true,
  9462. get: function get() {
  9463. return _jbig.Jbig2mage;
  9464. }
  9465. }));
  9466. Object.defineProperty(exports, "JpegImage", ({
  9467. enumerable: true,
  9468. get: function get() {
  9469. return _jpg.JpegImage;
  9470. }
  9471. }));
  9472. Object.defineProperty(exports, "JpxImage", ({
  9473. enumerable: true,
  9474. get: function get() {
  9475. return _jpx.JpxImage;
  9476. }
  9477. }));
  9478. var _util = __w_pdfjs_require__(1);
  9479. var _jbig = __w_pdfjs_require__(95);
  9480. var _jpg = __w_pdfjs_require__(102);
  9481. var _jpx = __w_pdfjs_require__(103);
  9482. var pdfjsVersion = '2.8.335';
  9483. var pdfjsBuild = '228adbf67';
  9484. })();
  9485. /******/ return __webpack_exports__;
  9486. /******/ })()
  9487. ;
  9488. });
  9489. //# sourceMappingURL=pdf.image_decoders.js.map