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|
- (function webpackUniversalModuleDefinition(root, factory) {
- if(typeof exports === 'object' && typeof module === 'object')
- module.exports = factory();
- else if(typeof define === 'function' && define.amd)
- define("pdfjs-dist/build/pdf", [], factory);
- else if(typeof exports === 'object')
- exports["pdfjs-dist/build/pdf"] = factory();
- else
- root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
- })(globalThis, () => {
- return (() => {
- "use strict";
- var __webpack_modules__ = ([
- ,
- ((__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.StreamType = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.LINE_FACTOR = exports.LINE_DESCENT_FACTOR = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.BASELINE_FACTOR = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
- exports.arrayByteLength = arrayByteLength;
- exports.arraysToBytes = arraysToBytes;
- exports.assert = assert;
- exports.bytesToString = bytesToString;
- exports.createPromiseCapability = createPromiseCapability;
- exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
- exports.getModificationDate = getModificationDate;
- exports.getVerbosityLevel = getVerbosityLevel;
- exports.info = info;
- exports.isArrayBuffer = isArrayBuffer;
- exports.isArrayEqual = isArrayEqual;
- exports.objectFromMap = objectFromMap;
- exports.objectSize = objectSize;
- exports.setVerbosityLevel = setVerbosityLevel;
- exports.shadow = shadow;
- exports.string32 = string32;
- exports.stringToBytes = stringToBytes;
- exports.stringToPDFString = stringToPDFString;
- exports.stringToUTF8String = stringToUTF8String;
- exports.unreachable = unreachable;
- exports.utf8StringToString = utf8StringToString;
- exports.warn = warn;
- ;
- const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
- exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
- const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
- exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
- const LINE_FACTOR = 1.35;
- exports.LINE_FACTOR = LINE_FACTOR;
- const LINE_DESCENT_FACTOR = 0.35;
- exports.LINE_DESCENT_FACTOR = LINE_DESCENT_FACTOR;
- const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
- exports.BASELINE_FACTOR = BASELINE_FACTOR;
- const RenderingIntentFlag = {
- ANY: 0x01,
- DISPLAY: 0x02,
- PRINT: 0x04,
- SAVE: 0x08,
- ANNOTATIONS_FORMS: 0x10,
- ANNOTATIONS_STORAGE: 0x20,
- ANNOTATIONS_DISABLE: 0x40,
- OPLIST: 0x100
- };
- exports.RenderingIntentFlag = RenderingIntentFlag;
- const AnnotationMode = {
- DISABLE: 0,
- ENABLE: 1,
- ENABLE_FORMS: 2,
- ENABLE_STORAGE: 3
- };
- exports.AnnotationMode = AnnotationMode;
- const AnnotationEditorPrefix = "pdfjs_internal_editor_";
- exports.AnnotationEditorPrefix = AnnotationEditorPrefix;
- const AnnotationEditorType = {
- DISABLE: -1,
- NONE: 0,
- FREETEXT: 3,
- INK: 15
- };
- exports.AnnotationEditorType = AnnotationEditorType;
- const AnnotationEditorParamsType = {
- FREETEXT_SIZE: 1,
- FREETEXT_COLOR: 2,
- FREETEXT_OPACITY: 3,
- INK_COLOR: 11,
- INK_THICKNESS: 12,
- INK_OPACITY: 13
- };
- exports.AnnotationEditorParamsType = AnnotationEditorParamsType;
- const PermissionFlag = {
- PRINT: 0x04,
- MODIFY_CONTENTS: 0x08,
- COPY: 0x10,
- MODIFY_ANNOTATIONS: 0x20,
- FILL_INTERACTIVE_FORMS: 0x100,
- COPY_FOR_ACCESSIBILITY: 0x200,
- ASSEMBLE: 0x400,
- PRINT_HIGH_QUALITY: 0x800
- };
- exports.PermissionFlag = PermissionFlag;
- const TextRenderingMode = {
- FILL: 0,
- STROKE: 1,
- FILL_STROKE: 2,
- INVISIBLE: 3,
- FILL_ADD_TO_PATH: 4,
- STROKE_ADD_TO_PATH: 5,
- FILL_STROKE_ADD_TO_PATH: 6,
- ADD_TO_PATH: 7,
- FILL_STROKE_MASK: 3,
- ADD_TO_PATH_FLAG: 4
- };
- exports.TextRenderingMode = TextRenderingMode;
- const ImageKind = {
- GRAYSCALE_1BPP: 1,
- RGB_24BPP: 2,
- RGBA_32BPP: 3
- };
- exports.ImageKind = ImageKind;
- const AnnotationType = {
- TEXT: 1,
- LINK: 2,
- FREETEXT: 3,
- LINE: 4,
- SQUARE: 5,
- CIRCLE: 6,
- POLYGON: 7,
- POLYLINE: 8,
- HIGHLIGHT: 9,
- UNDERLINE: 10,
- SQUIGGLY: 11,
- STRIKEOUT: 12,
- STAMP: 13,
- CARET: 14,
- INK: 15,
- POPUP: 16,
- FILEATTACHMENT: 17,
- SOUND: 18,
- MOVIE: 19,
- WIDGET: 20,
- SCREEN: 21,
- PRINTERMARK: 22,
- TRAPNET: 23,
- WATERMARK: 24,
- THREED: 25,
- REDACT: 26
- };
- exports.AnnotationType = AnnotationType;
- const AnnotationStateModelType = {
- MARKED: "Marked",
- REVIEW: "Review"
- };
- exports.AnnotationStateModelType = AnnotationStateModelType;
- const AnnotationMarkedState = {
- MARKED: "Marked",
- UNMARKED: "Unmarked"
- };
- exports.AnnotationMarkedState = AnnotationMarkedState;
- const AnnotationReviewState = {
- ACCEPTED: "Accepted",
- REJECTED: "Rejected",
- CANCELLED: "Cancelled",
- COMPLETED: "Completed",
- NONE: "None"
- };
- exports.AnnotationReviewState = AnnotationReviewState;
- const AnnotationReplyType = {
- GROUP: "Group",
- REPLY: "R"
- };
- exports.AnnotationReplyType = AnnotationReplyType;
- const AnnotationFlag = {
- INVISIBLE: 0x01,
- HIDDEN: 0x02,
- PRINT: 0x04,
- NOZOOM: 0x08,
- NOROTATE: 0x10,
- NOVIEW: 0x20,
- READONLY: 0x40,
- LOCKED: 0x80,
- TOGGLENOVIEW: 0x100,
- LOCKEDCONTENTS: 0x200
- };
- exports.AnnotationFlag = AnnotationFlag;
- const AnnotationFieldFlag = {
- READONLY: 0x0000001,
- REQUIRED: 0x0000002,
- NOEXPORT: 0x0000004,
- MULTILINE: 0x0001000,
- PASSWORD: 0x0002000,
- NOTOGGLETOOFF: 0x0004000,
- RADIO: 0x0008000,
- PUSHBUTTON: 0x0010000,
- COMBO: 0x0020000,
- EDIT: 0x0040000,
- SORT: 0x0080000,
- FILESELECT: 0x0100000,
- MULTISELECT: 0x0200000,
- DONOTSPELLCHECK: 0x0400000,
- DONOTSCROLL: 0x0800000,
- COMB: 0x1000000,
- RICHTEXT: 0x2000000,
- RADIOSINUNISON: 0x2000000,
- COMMITONSELCHANGE: 0x4000000
- };
- exports.AnnotationFieldFlag = AnnotationFieldFlag;
- const AnnotationBorderStyleType = {
- SOLID: 1,
- DASHED: 2,
- BEVELED: 3,
- INSET: 4,
- UNDERLINE: 5
- };
- exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
- const AnnotationActionEventType = {
- E: "Mouse Enter",
- X: "Mouse Exit",
- D: "Mouse Down",
- U: "Mouse Up",
- Fo: "Focus",
- Bl: "Blur",
- PO: "PageOpen",
- PC: "PageClose",
- PV: "PageVisible",
- PI: "PageInvisible",
- K: "Keystroke",
- F: "Format",
- V: "Validate",
- C: "Calculate"
- };
- exports.AnnotationActionEventType = AnnotationActionEventType;
- const DocumentActionEventType = {
- WC: "WillClose",
- WS: "WillSave",
- DS: "DidSave",
- WP: "WillPrint",
- DP: "DidPrint"
- };
- exports.DocumentActionEventType = DocumentActionEventType;
- const PageActionEventType = {
- O: "PageOpen",
- C: "PageClose"
- };
- exports.PageActionEventType = PageActionEventType;
- const StreamType = {
- UNKNOWN: "UNKNOWN",
- FLATE: "FLATE",
- LZW: "LZW",
- DCT: "DCT",
- JPX: "JPX",
- JBIG: "JBIG",
- A85: "A85",
- AHX: "AHX",
- CCF: "CCF",
- RLX: "RLX"
- };
- exports.StreamType = StreamType;
- const FontType = {
- UNKNOWN: "UNKNOWN",
- TYPE1: "TYPE1",
- TYPE1STANDARD: "TYPE1STANDARD",
- TYPE1C: "TYPE1C",
- CIDFONTTYPE0: "CIDFONTTYPE0",
- CIDFONTTYPE0C: "CIDFONTTYPE0C",
- TRUETYPE: "TRUETYPE",
- CIDFONTTYPE2: "CIDFONTTYPE2",
- TYPE3: "TYPE3",
- OPENTYPE: "OPENTYPE",
- TYPE0: "TYPE0",
- MMTYPE1: "MMTYPE1"
- };
- exports.FontType = FontType;
- const VerbosityLevel = {
- ERRORS: 0,
- WARNINGS: 1,
- INFOS: 5
- };
- exports.VerbosityLevel = VerbosityLevel;
- const CMapCompressionType = {
- NONE: 0,
- BINARY: 1
- };
- exports.CMapCompressionType = CMapCompressionType;
- const OPS = {
- dependency: 1,
- setLineWidth: 2,
- setLineCap: 3,
- setLineJoin: 4,
- setMiterLimit: 5,
- setDash: 6,
- setRenderingIntent: 7,
- setFlatness: 8,
- setGState: 9,
- save: 10,
- restore: 11,
- transform: 12,
- moveTo: 13,
- lineTo: 14,
- curveTo: 15,
- curveTo2: 16,
- curveTo3: 17,
- closePath: 18,
- rectangle: 19,
- stroke: 20,
- closeStroke: 21,
- fill: 22,
- eoFill: 23,
- fillStroke: 24,
- eoFillStroke: 25,
- closeFillStroke: 26,
- closeEOFillStroke: 27,
- endPath: 28,
- clip: 29,
- eoClip: 30,
- beginText: 31,
- endText: 32,
- setCharSpacing: 33,
- setWordSpacing: 34,
- setHScale: 35,
- setLeading: 36,
- setFont: 37,
- setTextRenderingMode: 38,
- setTextRise: 39,
- moveText: 40,
- setLeadingMoveText: 41,
- setTextMatrix: 42,
- nextLine: 43,
- showText: 44,
- showSpacedText: 45,
- nextLineShowText: 46,
- nextLineSetSpacingShowText: 47,
- setCharWidth: 48,
- setCharWidthAndBounds: 49,
- setStrokeColorSpace: 50,
- setFillColorSpace: 51,
- setStrokeColor: 52,
- setStrokeColorN: 53,
- setFillColor: 54,
- setFillColorN: 55,
- setStrokeGray: 56,
- setFillGray: 57,
- setStrokeRGBColor: 58,
- setFillRGBColor: 59,
- setStrokeCMYKColor: 60,
- setFillCMYKColor: 61,
- shadingFill: 62,
- beginInlineImage: 63,
- beginImageData: 64,
- endInlineImage: 65,
- paintXObject: 66,
- markPoint: 67,
- markPointProps: 68,
- beginMarkedContent: 69,
- beginMarkedContentProps: 70,
- endMarkedContent: 71,
- beginCompat: 72,
- endCompat: 73,
- paintFormXObjectBegin: 74,
- paintFormXObjectEnd: 75,
- beginGroup: 76,
- endGroup: 77,
- beginAnnotation: 80,
- endAnnotation: 81,
- paintImageMaskXObject: 83,
- paintImageMaskXObjectGroup: 84,
- paintImageXObject: 85,
- paintInlineImageXObject: 86,
- paintInlineImageXObjectGroup: 87,
- paintImageXObjectRepeat: 88,
- paintImageMaskXObjectRepeat: 89,
- paintSolidColorImageMask: 90,
- constructPath: 91
- };
- exports.OPS = OPS;
- const UNSUPPORTED_FEATURES = {
- forms: "forms",
- javaScript: "javaScript",
- signatures: "signatures",
- smask: "smask",
- shadingPattern: "shadingPattern",
- errorTilingPattern: "errorTilingPattern",
- errorExtGState: "errorExtGState",
- errorXObject: "errorXObject",
- errorFontLoadType3: "errorFontLoadType3",
- errorFontState: "errorFontState",
- errorFontMissing: "errorFontMissing",
- errorFontTranslate: "errorFontTranslate",
- errorColorSpace: "errorColorSpace",
- errorOperatorList: "errorOperatorList",
- errorFontToUnicode: "errorFontToUnicode",
- errorFontLoadNative: "errorFontLoadNative",
- errorFontBuildPath: "errorFontBuildPath",
- errorFontGetPath: "errorFontGetPath",
- errorMarkedContent: "errorMarkedContent",
- errorContentSubStream: "errorContentSubStream"
- };
- exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
- const PasswordResponses = {
- NEED_PASSWORD: 1,
- INCORRECT_PASSWORD: 2
- };
- exports.PasswordResponses = PasswordResponses;
- let verbosity = VerbosityLevel.WARNINGS;
- function setVerbosityLevel(level) {
- if (Number.isInteger(level)) {
- verbosity = level;
- }
- }
- function getVerbosityLevel() {
- return verbosity;
- }
- function info(msg) {
- if (verbosity >= VerbosityLevel.INFOS) {
- console.log(`Info: ${msg}`);
- }
- }
- function warn(msg) {
- if (verbosity >= VerbosityLevel.WARNINGS) {
- console.log(`Warning: ${msg}`);
- }
- }
- function unreachable(msg) {
- throw new Error(msg);
- }
- function assert(cond, msg) {
- if (!cond) {
- unreachable(msg);
- }
- }
- function _isValidProtocol(url) {
- if (!url) {
- return false;
- }
- switch (url.protocol) {
- case "http:":
- case "https:":
- case "ftp:":
- case "mailto:":
- case "tel:":
- return true;
- default:
- return false;
- }
- }
- function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
- if (!url) {
- return null;
- }
- try {
- if (options && typeof url === "string") {
- if (options.addDefaultProtocol && url.startsWith("www.")) {
- const dots = url.match(/\./g);
- if (dots && dots.length >= 2) {
- url = `http://${url}`;
- }
- }
- if (options.tryConvertEncoding) {
- try {
- url = stringToUTF8String(url);
- } catch (ex) {}
- }
- }
- const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
- if (_isValidProtocol(absoluteUrl)) {
- return absoluteUrl;
- }
- } catch (ex) {}
- return null;
- }
- function shadow(obj, prop, value, nonSerializable = false) {
- Object.defineProperty(obj, prop, {
- value,
- enumerable: !nonSerializable,
- configurable: true,
- writable: false
- });
- return value;
- }
- const BaseException = function BaseExceptionClosure() {
- function BaseException(message, name) {
- if (this.constructor === BaseException) {
- unreachable("Cannot initialize BaseException.");
- }
- this.message = message;
- this.name = name;
- }
- BaseException.prototype = new Error();
- BaseException.constructor = BaseException;
- return BaseException;
- }();
- exports.BaseException = BaseException;
- class PasswordException extends BaseException {
- constructor(msg, code) {
- super(msg, "PasswordException");
- this.code = code;
- }
- }
- exports.PasswordException = PasswordException;
- class UnknownErrorException extends BaseException {
- constructor(msg, details) {
- super(msg, "UnknownErrorException");
- this.details = details;
- }
- }
- exports.UnknownErrorException = UnknownErrorException;
- class InvalidPDFException extends BaseException {
- constructor(msg) {
- super(msg, "InvalidPDFException");
- }
- }
- exports.InvalidPDFException = InvalidPDFException;
- class MissingPDFException extends BaseException {
- constructor(msg) {
- super(msg, "MissingPDFException");
- }
- }
- exports.MissingPDFException = MissingPDFException;
- class UnexpectedResponseException extends BaseException {
- constructor(msg, status) {
- super(msg, "UnexpectedResponseException");
- this.status = status;
- }
- }
- exports.UnexpectedResponseException = UnexpectedResponseException;
- class FormatError extends BaseException {
- constructor(msg) {
- super(msg, "FormatError");
- }
- }
- exports.FormatError = FormatError;
- class AbortException extends BaseException {
- constructor(msg) {
- super(msg, "AbortException");
- }
- }
- exports.AbortException = AbortException;
- function bytesToString(bytes) {
- if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) {
- unreachable("Invalid argument for bytesToString");
- }
- const length = bytes.length;
- const MAX_ARGUMENT_COUNT = 8192;
- if (length < MAX_ARGUMENT_COUNT) {
- return String.fromCharCode.apply(null, bytes);
- }
- const strBuf = [];
- for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
- const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
- const chunk = bytes.subarray(i, chunkEnd);
- strBuf.push(String.fromCharCode.apply(null, chunk));
- }
- return strBuf.join("");
- }
- function stringToBytes(str) {
- if (typeof str !== "string") {
- unreachable("Invalid argument for stringToBytes");
- }
- const length = str.length;
- const bytes = new Uint8Array(length);
- for (let i = 0; i < length; ++i) {
- bytes[i] = str.charCodeAt(i) & 0xff;
- }
- return bytes;
- }
- function arrayByteLength(arr) {
- if (arr.length !== undefined) {
- return arr.length;
- }
- if (arr.byteLength !== undefined) {
- return arr.byteLength;
- }
- unreachable("Invalid argument for arrayByteLength");
- }
- function arraysToBytes(arr) {
- const length = arr.length;
- if (length === 1 && arr[0] instanceof Uint8Array) {
- return arr[0];
- }
- let resultLength = 0;
- for (let i = 0; i < length; i++) {
- resultLength += arrayByteLength(arr[i]);
- }
- let pos = 0;
- const data = new Uint8Array(resultLength);
- for (let i = 0; i < length; i++) {
- let item = arr[i];
- if (!(item instanceof Uint8Array)) {
- if (typeof item === "string") {
- item = stringToBytes(item);
- } else {
- item = new Uint8Array(item);
- }
- }
- const itemLength = item.byteLength;
- data.set(item, pos);
- pos += itemLength;
- }
- return data;
- }
- function string32(value) {
- return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
- }
- function objectSize(obj) {
- return Object.keys(obj).length;
- }
- function objectFromMap(map) {
- const obj = Object.create(null);
- for (const [key, value] of map) {
- obj[key] = value;
- }
- return obj;
- }
- function isLittleEndian() {
- const buffer8 = new Uint8Array(4);
- buffer8[0] = 1;
- const view32 = new Uint32Array(buffer8.buffer, 0, 1);
- return view32[0] === 1;
- }
- function isEvalSupported() {
- try {
- new Function("");
- return true;
- } catch (e) {
- return false;
- }
- }
- class FeatureTest {
- static get isLittleEndian() {
- return shadow(this, "isLittleEndian", isLittleEndian());
- }
- static get isEvalSupported() {
- return shadow(this, "isEvalSupported", isEvalSupported());
- }
- static get isOffscreenCanvasSupported() {
- return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
- }
- static get platform() {
- if (typeof navigator === "undefined") {
- return shadow(this, "platform", {
- isWin: false,
- isMac: false
- });
- }
- return shadow(this, "platform", {
- isWin: navigator.platform.includes("Win"),
- isMac: navigator.platform.includes("Mac")
- });
- }
- }
- exports.FeatureTest = FeatureTest;
- const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
- class Util {
- static makeHexColor(r, g, b) {
- return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
- }
- static scaleMinMax(transform, minMax) {
- let temp;
- if (transform[0]) {
- if (transform[0] < 0) {
- temp = minMax[0];
- minMax[0] = minMax[1];
- minMax[1] = temp;
- }
- minMax[0] *= transform[0];
- minMax[1] *= transform[0];
- if (transform[3] < 0) {
- temp = minMax[2];
- minMax[2] = minMax[3];
- minMax[3] = temp;
- }
- minMax[2] *= transform[3];
- minMax[3] *= transform[3];
- } else {
- temp = minMax[0];
- minMax[0] = minMax[2];
- minMax[2] = temp;
- temp = minMax[1];
- minMax[1] = minMax[3];
- minMax[3] = temp;
- if (transform[1] < 0) {
- temp = minMax[2];
- minMax[2] = minMax[3];
- minMax[3] = temp;
- }
- minMax[2] *= transform[1];
- minMax[3] *= transform[1];
- if (transform[2] < 0) {
- temp = minMax[0];
- minMax[0] = minMax[1];
- minMax[1] = temp;
- }
- minMax[0] *= transform[2];
- minMax[1] *= transform[2];
- }
- minMax[0] += transform[4];
- minMax[1] += transform[4];
- minMax[2] += transform[5];
- minMax[3] += transform[5];
- }
- static transform(m1, m2) {
- return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
- }
- static applyTransform(p, m) {
- const xt = p[0] * m[0] + p[1] * m[2] + m[4];
- const yt = p[0] * m[1] + p[1] * m[3] + m[5];
- return [xt, yt];
- }
- static applyInverseTransform(p, m) {
- const d = m[0] * m[3] - m[1] * m[2];
- const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
- const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
- return [xt, yt];
- }
- static getAxialAlignedBoundingBox(r, m) {
- const p1 = Util.applyTransform(r, m);
- const p2 = Util.applyTransform(r.slice(2, 4), m);
- const p3 = Util.applyTransform([r[0], r[3]], m);
- const p4 = Util.applyTransform([r[2], r[1]], m);
- return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
- }
- static inverseTransform(m) {
- const d = m[0] * m[3] - m[1] * m[2];
- return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
- }
- static singularValueDecompose2dScale(m) {
- const transpose = [m[0], m[2], m[1], m[3]];
- const a = m[0] * transpose[0] + m[1] * transpose[2];
- const b = m[0] * transpose[1] + m[1] * transpose[3];
- const c = m[2] * transpose[0] + m[3] * transpose[2];
- const d = m[2] * transpose[1] + m[3] * transpose[3];
- const first = (a + d) / 2;
- const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
- const sx = first + second || 1;
- const sy = first - second || 1;
- return [Math.sqrt(sx), Math.sqrt(sy)];
- }
- static normalizeRect(rect) {
- const r = rect.slice(0);
- if (rect[0] > rect[2]) {
- r[0] = rect[2];
- r[2] = rect[0];
- }
- if (rect[1] > rect[3]) {
- r[1] = rect[3];
- r[3] = rect[1];
- }
- return r;
- }
- static intersect(rect1, rect2) {
- const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
- const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
- if (xLow > xHigh) {
- return null;
- }
- const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
- const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
- if (yLow > yHigh) {
- return null;
- }
- return [xLow, yLow, xHigh, yHigh];
- }
- static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
- const tvalues = [],
- bounds = [[], []];
- let a, b, c, t, t1, t2, b2ac, sqrtb2ac;
- for (let i = 0; i < 2; ++i) {
- if (i === 0) {
- b = 6 * x0 - 12 * x1 + 6 * x2;
- a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
- c = 3 * x1 - 3 * x0;
- } else {
- b = 6 * y0 - 12 * y1 + 6 * y2;
- a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
- c = 3 * y1 - 3 * y0;
- }
- if (Math.abs(a) < 1e-12) {
- if (Math.abs(b) < 1e-12) {
- continue;
- }
- t = -c / b;
- if (0 < t && t < 1) {
- tvalues.push(t);
- }
- continue;
- }
- b2ac = b * b - 4 * c * a;
- sqrtb2ac = Math.sqrt(b2ac);
- if (b2ac < 0) {
- continue;
- }
- t1 = (-b + sqrtb2ac) / (2 * a);
- if (0 < t1 && t1 < 1) {
- tvalues.push(t1);
- }
- t2 = (-b - sqrtb2ac) / (2 * a);
- if (0 < t2 && t2 < 1) {
- tvalues.push(t2);
- }
- }
- let j = tvalues.length,
- mt;
- const jlen = j;
- while (j--) {
- t = tvalues[j];
- mt = 1 - t;
- bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
- bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
- }
- bounds[0][jlen] = x0;
- bounds[1][jlen] = y0;
- bounds[0][jlen + 1] = x3;
- bounds[1][jlen + 1] = y3;
- bounds[0].length = bounds[1].length = jlen + 2;
- return [Math.min(...bounds[0]), Math.min(...bounds[1]), Math.max(...bounds[0]), Math.max(...bounds[1])];
- }
- }
- exports.Util = Util;
- const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
- function stringToPDFString(str) {
- if (str[0] >= "\xEF") {
- let encoding;
- if (str[0] === "\xFE" && str[1] === "\xFF") {
- encoding = "utf-16be";
- } else if (str[0] === "\xFF" && str[1] === "\xFE") {
- encoding = "utf-16le";
- } else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
- encoding = "utf-8";
- }
- if (encoding) {
- try {
- const decoder = new TextDecoder(encoding, {
- fatal: true
- });
- const buffer = stringToBytes(str);
- return decoder.decode(buffer);
- } catch (ex) {
- warn(`stringToPDFString: "${ex}".`);
- }
- }
- }
- const strBuf = [];
- for (let i = 0, ii = str.length; i < ii; i++) {
- const code = PDFStringTranslateTable[str.charCodeAt(i)];
- strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
- }
- return strBuf.join("");
- }
- function stringToUTF8String(str) {
- return decodeURIComponent(escape(str));
- }
- function utf8StringToString(str) {
- return unescape(encodeURIComponent(str));
- }
- function isArrayBuffer(v) {
- return typeof v === "object" && v !== null && v.byteLength !== undefined;
- }
- function isArrayEqual(arr1, arr2) {
- if (arr1.length !== arr2.length) {
- return false;
- }
- for (let i = 0, ii = arr1.length; i < ii; i++) {
- if (arr1[i] !== arr2[i]) {
- return false;
- }
- }
- return true;
- }
- function getModificationDate(date = new Date()) {
- const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
- return buffer.join("");
- }
- function createPromiseCapability() {
- const capability = Object.create(null);
- let isSettled = false;
- Object.defineProperty(capability, "settled", {
- get() {
- return isSettled;
- }
- });
- capability.promise = new Promise(function (resolve, reject) {
- capability.resolve = function (data) {
- isSettled = true;
- resolve(data);
- };
- capability.reject = function (reason) {
- isSettled = true;
- reject(reason);
- };
- });
- return capability;
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.build = exports.RenderTask = exports.PDFWorkerUtil = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDocumentLoadingTask = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultStandardFontDataFactory = exports.DefaultCanvasFactory = exports.DefaultCMapReaderFactory = void 0;
- exports.getDocument = getDocument;
- exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
- exports.version = void 0;
- var _util = __w_pdfjs_require__(1);
- var _annotation_storage = __w_pdfjs_require__(3);
- var _display_utils = __w_pdfjs_require__(6);
- var _font_loader = __w_pdfjs_require__(9);
- var _canvas = __w_pdfjs_require__(11);
- var _worker_options = __w_pdfjs_require__(14);
- var _is_node = __w_pdfjs_require__(10);
- var _message_handler = __w_pdfjs_require__(15);
- var _metadata = __w_pdfjs_require__(16);
- var _optional_content_config = __w_pdfjs_require__(17);
- var _transport_stream = __w_pdfjs_require__(18);
- var _xfa_text = __w_pdfjs_require__(19);
- const DEFAULT_RANGE_CHUNK_SIZE = 65536;
- const RENDERING_CANCELLED_TIMEOUT = 100;
- let DefaultCanvasFactory = _display_utils.DOMCanvasFactory;
- exports.DefaultCanvasFactory = DefaultCanvasFactory;
- let DefaultCMapReaderFactory = _display_utils.DOMCMapReaderFactory;
- exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory;
- let DefaultStandardFontDataFactory = _display_utils.DOMStandardFontDataFactory;
- exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory;
- if (_is_node.isNodeJS) {
- const {
- NodeCanvasFactory,
- NodeCMapReaderFactory,
- NodeStandardFontDataFactory
- } = __w_pdfjs_require__(20);
- exports.DefaultCanvasFactory = DefaultCanvasFactory = NodeCanvasFactory;
- exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory = NodeCMapReaderFactory;
- exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory = NodeStandardFontDataFactory;
- }
- let createPDFNetworkStream;
- function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
- createPDFNetworkStream = pdfNetworkStreamFactory;
- }
- function getDocument(src) {
- const task = new PDFDocumentLoadingTask();
- let source;
- if (typeof src === "string" || src instanceof URL) {
- source = {
- url: src
- };
- } else if ((0, _util.isArrayBuffer)(src)) {
- source = {
- data: src
- };
- } else if (src instanceof PDFDataRangeTransport) {
- source = {
- range: src
- };
- } else {
- if (typeof src !== "object") {
- throw new Error("Invalid parameter in getDocument, " + "need either string, URL, TypedArray, or parameter object.");
- }
- if (!src.url && !src.data && !src.range) {
- throw new Error("Invalid parameter object: need either .data, .range or .url");
- }
- source = src;
- }
- const params = Object.create(null);
- let rangeTransport = null,
- worker = null;
- for (const key in source) {
- const value = source[key];
- switch (key) {
- case "url":
- if (typeof window !== "undefined") {
- try {
- params[key] = new URL(value, window.location).href;
- continue;
- } catch (ex) {
- (0, _util.warn)(`Cannot create valid URL: "${ex}".`);
- }
- } else if (typeof value === "string" || value instanceof URL) {
- params[key] = value.toString();
- continue;
- }
- throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
- case "range":
- rangeTransport = value;
- continue;
- case "worker":
- worker = value;
- continue;
- case "data":
- if (_is_node.isNodeJS && typeof Buffer !== "undefined" && value instanceof Buffer) {
- params[key] = new Uint8Array(value);
- } else if (value instanceof Uint8Array) {
- break;
- } else if (typeof value === "string") {
- params[key] = (0, _util.stringToBytes)(value);
- } else if (typeof value === "object" && value !== null && !isNaN(value.length)) {
- params[key] = new Uint8Array(value);
- } else if ((0, _util.isArrayBuffer)(value)) {
- params[key] = new Uint8Array(value);
- } else {
- throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property.");
- }
- continue;
- }
- params[key] = value;
- }
- params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
- params.StandardFontDataFactory = params.StandardFontDataFactory || DefaultStandardFontDataFactory;
- params.ignoreErrors = params.stopAtErrors !== true;
- params.fontExtraProperties = params.fontExtraProperties === true;
- params.pdfBug = params.pdfBug === true;
- params.enableXfa = params.enableXfa === true;
- if (!Number.isInteger(params.rangeChunkSize) || params.rangeChunkSize < 1) {
- params.rangeChunkSize = DEFAULT_RANGE_CHUNK_SIZE;
- }
- if (typeof params.docBaseUrl !== "string" || (0, _display_utils.isDataScheme)(params.docBaseUrl)) {
- params.docBaseUrl = null;
- }
- if (!Number.isInteger(params.maxImageSize) || params.maxImageSize < -1) {
- params.maxImageSize = -1;
- }
- if (typeof params.cMapUrl !== "string") {
- params.cMapUrl = null;
- }
- if (typeof params.standardFontDataUrl !== "string") {
- params.standardFontDataUrl = null;
- }
- if (typeof params.useWorkerFetch !== "boolean") {
- params.useWorkerFetch = params.CMapReaderFactory === _display_utils.DOMCMapReaderFactory && params.StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory;
- }
- if (typeof params.isEvalSupported !== "boolean") {
- params.isEvalSupported = true;
- }
- if (typeof params.isOffscreenCanvasSupported !== "boolean") {
- params.isOffscreenCanvasSupported = !_is_node.isNodeJS;
- }
- if (typeof params.disableFontFace !== "boolean") {
- params.disableFontFace = _is_node.isNodeJS;
- }
- if (typeof params.useSystemFonts !== "boolean") {
- params.useSystemFonts = !_is_node.isNodeJS && !params.disableFontFace;
- }
- if (typeof params.ownerDocument !== "object" || params.ownerDocument === null) {
- params.ownerDocument = globalThis.document;
- }
- if (typeof params.disableRange !== "boolean") {
- params.disableRange = false;
- }
- if (typeof params.disableStream !== "boolean") {
- params.disableStream = false;
- }
- if (typeof params.disableAutoFetch !== "boolean") {
- params.disableAutoFetch = false;
- }
- (0, _util.setVerbosityLevel)(params.verbosity);
- if (!worker) {
- const workerParams = {
- verbosity: params.verbosity,
- port: _worker_options.GlobalWorkerOptions.workerPort
- };
- worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
- task._worker = worker;
- }
- const docId = task.docId;
- worker.promise.then(function () {
- if (task.destroyed) {
- throw new Error("Loading aborted");
- }
- const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
- const networkStreamPromise = new Promise(function (resolve) {
- let networkStream;
- if (rangeTransport) {
- networkStream = new _transport_stream.PDFDataTransportStream({
- length: params.length,
- initialData: params.initialData,
- progressiveDone: params.progressiveDone,
- contentDispositionFilename: params.contentDispositionFilename,
- disableRange: params.disableRange,
- disableStream: params.disableStream
- }, rangeTransport);
- } else if (!params.data) {
- networkStream = createPDFNetworkStream({
- url: params.url,
- length: params.length,
- httpHeaders: params.httpHeaders,
- withCredentials: params.withCredentials,
- rangeChunkSize: params.rangeChunkSize,
- disableRange: params.disableRange,
- disableStream: params.disableStream
- });
- }
- resolve(networkStream);
- });
- return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
- if (task.destroyed) {
- throw new Error("Loading aborted");
- }
- const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
- const transport = new WorkerTransport(messageHandler, task, networkStream, params);
- task._transport = transport;
- messageHandler.send("Ready", null);
- });
- }).catch(task._capability.reject);
- return task;
- }
- async function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
- if (worker.destroyed) {
- throw new Error("Worker was destroyed");
- }
- if (pdfDataRangeTransport) {
- source.length = pdfDataRangeTransport.length;
- source.initialData = pdfDataRangeTransport.initialData;
- source.progressiveDone = pdfDataRangeTransport.progressiveDone;
- source.contentDispositionFilename = pdfDataRangeTransport.contentDispositionFilename;
- }
- const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", {
- docId,
- apiVersion: '3.2.141',
- data: source.data,
- password: source.password,
- disableAutoFetch: source.disableAutoFetch,
- rangeChunkSize: source.rangeChunkSize,
- length: source.length,
- docBaseUrl: source.docBaseUrl,
- enableXfa: source.enableXfa,
- evaluatorOptions: {
- maxImageSize: source.maxImageSize,
- disableFontFace: source.disableFontFace,
- ignoreErrors: source.ignoreErrors,
- isEvalSupported: source.isEvalSupported,
- isOffscreenCanvasSupported: source.isOffscreenCanvasSupported,
- fontExtraProperties: source.fontExtraProperties,
- useSystemFonts: source.useSystemFonts,
- cMapUrl: source.useWorkerFetch ? source.cMapUrl : null,
- standardFontDataUrl: source.useWorkerFetch ? source.standardFontDataUrl : null
- }
- });
- if (source.data) {
- source.data = null;
- }
- if (worker.destroyed) {
- throw new Error("Worker was destroyed");
- }
- return workerId;
- }
- class PDFDocumentLoadingTask {
- static #docId = 0;
- #onUnsupportedFeature = null;
- constructor() {
- this._capability = (0, _util.createPromiseCapability)();
- this._transport = null;
- this._worker = null;
- this.docId = `d${PDFDocumentLoadingTask.#docId++}`;
- this.destroyed = false;
- this.onPassword = null;
- this.onProgress = null;
- }
- get onUnsupportedFeature() {
- return this.#onUnsupportedFeature;
- }
- set onUnsupportedFeature(callback) {
- (0, _display_utils.deprecated)("The PDFDocumentLoadingTask onUnsupportedFeature property will be removed in the future.");
- this.#onUnsupportedFeature = callback;
- }
- get promise() {
- return this._capability.promise;
- }
- async destroy() {
- this.destroyed = true;
- await this._transport?.destroy();
- this._transport = null;
- if (this._worker) {
- this._worker.destroy();
- this._worker = null;
- }
- }
- }
- exports.PDFDocumentLoadingTask = PDFDocumentLoadingTask;
- class PDFDataRangeTransport {
- constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
- this.length = length;
- this.initialData = initialData;
- this.progressiveDone = progressiveDone;
- this.contentDispositionFilename = contentDispositionFilename;
- this._rangeListeners = [];
- this._progressListeners = [];
- this._progressiveReadListeners = [];
- this._progressiveDoneListeners = [];
- this._readyCapability = (0, _util.createPromiseCapability)();
- }
- addRangeListener(listener) {
- this._rangeListeners.push(listener);
- }
- addProgressListener(listener) {
- this._progressListeners.push(listener);
- }
- addProgressiveReadListener(listener) {
- this._progressiveReadListeners.push(listener);
- }
- addProgressiveDoneListener(listener) {
- this._progressiveDoneListeners.push(listener);
- }
- onDataRange(begin, chunk) {
- for (const listener of this._rangeListeners) {
- listener(begin, chunk);
- }
- }
- onDataProgress(loaded, total) {
- this._readyCapability.promise.then(() => {
- for (const listener of this._progressListeners) {
- listener(loaded, total);
- }
- });
- }
- onDataProgressiveRead(chunk) {
- this._readyCapability.promise.then(() => {
- for (const listener of this._progressiveReadListeners) {
- listener(chunk);
- }
- });
- }
- onDataProgressiveDone() {
- this._readyCapability.promise.then(() => {
- for (const listener of this._progressiveDoneListeners) {
- listener();
- }
- });
- }
- transportReady() {
- this._readyCapability.resolve();
- }
- requestDataRange(begin, end) {
- (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
- }
- abort() {}
- }
- exports.PDFDataRangeTransport = PDFDataRangeTransport;
- class PDFDocumentProxy {
- constructor(pdfInfo, transport) {
- this._pdfInfo = pdfInfo;
- this._transport = transport;
- }
- get annotationStorage() {
- return this._transport.annotationStorage;
- }
- get numPages() {
- return this._pdfInfo.numPages;
- }
- get fingerprints() {
- return this._pdfInfo.fingerprints;
- }
- get stats() {
- (0, _display_utils.deprecated)("The PDFDocumentProxy stats property will be removed in the future.");
- return this._transport.stats;
- }
- get isPureXfa() {
- return (0, _util.shadow)(this, "isPureXfa", !!this._transport._htmlForXfa);
- }
- get allXfaHtml() {
- return this._transport._htmlForXfa;
- }
- getPage(pageNumber) {
- return this._transport.getPage(pageNumber);
- }
- getPageIndex(ref) {
- return this._transport.getPageIndex(ref);
- }
- getDestinations() {
- return this._transport.getDestinations();
- }
- getDestination(id) {
- return this._transport.getDestination(id);
- }
- getPageLabels() {
- return this._transport.getPageLabels();
- }
- getPageLayout() {
- return this._transport.getPageLayout();
- }
- getPageMode() {
- return this._transport.getPageMode();
- }
- getViewerPreferences() {
- return this._transport.getViewerPreferences();
- }
- getOpenAction() {
- return this._transport.getOpenAction();
- }
- getAttachments() {
- return this._transport.getAttachments();
- }
- getJavaScript() {
- return this._transport.getJavaScript();
- }
- getJSActions() {
- return this._transport.getDocJSActions();
- }
- getOutline() {
- return this._transport.getOutline();
- }
- getOptionalContentConfig() {
- return this._transport.getOptionalContentConfig();
- }
- getPermissions() {
- return this._transport.getPermissions();
- }
- getMetadata() {
- return this._transport.getMetadata();
- }
- getMarkInfo() {
- return this._transport.getMarkInfo();
- }
- getData() {
- return this._transport.getData();
- }
- saveDocument() {
- return this._transport.saveDocument();
- }
- getDownloadInfo() {
- return this._transport.downloadInfoCapability.promise;
- }
- cleanup(keepLoadedFonts = false) {
- return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
- }
- destroy() {
- return this.loadingTask.destroy();
- }
- get loadingParams() {
- return this._transport.loadingParams;
- }
- get loadingTask() {
- return this._transport.loadingTask;
- }
- getFieldObjects() {
- return this._transport.getFieldObjects();
- }
- hasJSActions() {
- return this._transport.hasJSActions();
- }
- getCalculationOrderIds() {
- return this._transport.getCalculationOrderIds();
- }
- }
- exports.PDFDocumentProxy = PDFDocumentProxy;
- class PDFPageProxy {
- constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
- this._pageIndex = pageIndex;
- this._pageInfo = pageInfo;
- this._ownerDocument = ownerDocument;
- this._transport = transport;
- this._stats = pdfBug ? new _display_utils.StatTimer() : null;
- this._pdfBug = pdfBug;
- this.commonObjs = transport.commonObjs;
- this.objs = new PDFObjects();
- this._bitmaps = new Set();
- this.cleanupAfterRender = false;
- this.pendingCleanup = false;
- this._intentStates = new Map();
- this.destroyed = false;
- }
- get pageNumber() {
- return this._pageIndex + 1;
- }
- get rotate() {
- return this._pageInfo.rotate;
- }
- get ref() {
- return this._pageInfo.ref;
- }
- get userUnit() {
- return this._pageInfo.userUnit;
- }
- get view() {
- return this._pageInfo.view;
- }
- getViewport({
- scale,
- rotation = this.rotate,
- offsetX = 0,
- offsetY = 0,
- dontFlip = false
- } = {}) {
- return new _display_utils.PageViewport({
- viewBox: this.view,
- scale,
- rotation,
- offsetX,
- offsetY,
- dontFlip
- });
- }
- getAnnotations({
- intent = "display"
- } = {}) {
- const intentArgs = this._transport.getRenderingIntent(intent);
- return this._transport.getAnnotations(this._pageIndex, intentArgs.renderingIntent);
- }
- getJSActions() {
- return this._transport.getPageJSActions(this._pageIndex);
- }
- get isPureXfa() {
- return (0, _util.shadow)(this, "isPureXfa", !!this._transport._htmlForXfa);
- }
- async getXfa() {
- return this._transport._htmlForXfa?.children[this._pageIndex] || null;
- }
- render({
- canvasContext,
- viewport,
- intent = "display",
- annotationMode = _util.AnnotationMode.ENABLE,
- transform = null,
- canvasFactory = null,
- background = null,
- optionalContentConfigPromise = null,
- annotationCanvasMap = null,
- pageColors = null,
- printAnnotationStorage = null
- }) {
- this._stats?.time("Overall");
- const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage);
- this.pendingCleanup = false;
- if (!optionalContentConfigPromise) {
- optionalContentConfigPromise = this._transport.getOptionalContentConfig();
- }
- let intentState = this._intentStates.get(intentArgs.cacheKey);
- if (!intentState) {
- intentState = Object.create(null);
- this._intentStates.set(intentArgs.cacheKey, intentState);
- }
- if (intentState.streamReaderCancelTimeout) {
- clearTimeout(intentState.streamReaderCancelTimeout);
- intentState.streamReaderCancelTimeout = null;
- }
- const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
- ownerDocument: this._ownerDocument
- });
- const intentPrint = !!(intentArgs.renderingIntent & _util.RenderingIntentFlag.PRINT);
- if (!intentState.displayReadyCapability) {
- intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false,
- separateAnnots: null
- };
- this._stats?.time("Page Request");
- this._pumpOperatorList(intentArgs);
- }
- const complete = error => {
- intentState.renderTasks.delete(internalRenderTask);
- if (this.cleanupAfterRender || intentPrint) {
- this.pendingCleanup = true;
- }
- this._tryCleanup();
- if (error) {
- internalRenderTask.capability.reject(error);
- this._abortOperatorList({
- intentState,
- reason: error instanceof Error ? error : new Error(error)
- });
- } else {
- internalRenderTask.capability.resolve();
- }
- this._stats?.timeEnd("Rendering");
- this._stats?.timeEnd("Overall");
- };
- const internalRenderTask = new InternalRenderTask({
- callback: complete,
- params: {
- canvasContext,
- viewport,
- transform,
- background
- },
- objs: this.objs,
- commonObjs: this.commonObjs,
- annotationCanvasMap,
- operatorList: intentState.operatorList,
- pageIndex: this._pageIndex,
- canvasFactory: canvasFactoryInstance,
- useRequestAnimationFrame: !intentPrint,
- pdfBug: this._pdfBug,
- pageColors
- });
- (intentState.renderTasks ||= new Set()).add(internalRenderTask);
- const renderTask = internalRenderTask.task;
- Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
- if (this.pendingCleanup) {
- complete();
- return;
- }
- this._stats?.time("Rendering");
- internalRenderTask.initializeGraphics({
- transparency,
- optionalContentConfig
- });
- internalRenderTask.operatorListChanged();
- }).catch(complete);
- return renderTask;
- }
- getOperatorList({
- intent = "display",
- annotationMode = _util.AnnotationMode.ENABLE,
- printAnnotationStorage = null
- } = {}) {
- function operatorListChanged() {
- if (intentState.operatorList.lastChunk) {
- intentState.opListReadCapability.resolve(intentState.operatorList);
- intentState.renderTasks.delete(opListTask);
- }
- }
- const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, true);
- let intentState = this._intentStates.get(intentArgs.cacheKey);
- if (!intentState) {
- intentState = Object.create(null);
- this._intentStates.set(intentArgs.cacheKey, intentState);
- }
- let opListTask;
- if (!intentState.opListReadCapability) {
- opListTask = Object.create(null);
- opListTask.operatorListChanged = operatorListChanged;
- intentState.opListReadCapability = (0, _util.createPromiseCapability)();
- (intentState.renderTasks ||= new Set()).add(opListTask);
- intentState.operatorList = {
- fnArray: [],
- argsArray: [],
- lastChunk: false,
- separateAnnots: null
- };
- this._stats?.time("Page Request");
- this._pumpOperatorList(intentArgs);
- }
- return intentState.opListReadCapability.promise;
- }
- streamTextContent({
- disableCombineTextItems = false,
- includeMarkedContent = false
- } = {}) {
- const TEXT_CONTENT_CHUNK_SIZE = 100;
- return this._transport.messageHandler.sendWithStream("GetTextContent", {
- pageIndex: this._pageIndex,
- combineTextItems: disableCombineTextItems !== true,
- includeMarkedContent: includeMarkedContent === true
- }, {
- highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
- size(textContent) {
- return textContent.items.length;
- }
- });
- }
- getTextContent(params = {}) {
- if (this._transport._htmlForXfa) {
- return this.getXfa().then(xfa => {
- return _xfa_text.XfaText.textContent(xfa);
- });
- }
- const readableStream = this.streamTextContent(params);
- return new Promise(function (resolve, reject) {
- function pump() {
- reader.read().then(function ({
- value,
- done
- }) {
- if (done) {
- resolve(textContent);
- return;
- }
- Object.assign(textContent.styles, value.styles);
- textContent.items.push(...value.items);
- pump();
- }, reject);
- }
- const reader = readableStream.getReader();
- const textContent = {
- items: [],
- styles: Object.create(null)
- };
- pump();
- });
- }
- getStructTree() {
- return this._transport.getStructTree(this._pageIndex);
- }
- _destroy() {
- this.destroyed = true;
- const waitOn = [];
- for (const intentState of this._intentStates.values()) {
- this._abortOperatorList({
- intentState,
- reason: new Error("Page was destroyed."),
- force: true
- });
- if (intentState.opListReadCapability) {
- continue;
- }
- for (const internalRenderTask of intentState.renderTasks) {
- waitOn.push(internalRenderTask.completed);
- internalRenderTask.cancel();
- }
- }
- this.objs.clear();
- for (const bitmap of this._bitmaps) {
- bitmap.close();
- }
- this._bitmaps.clear();
- this.pendingCleanup = false;
- return Promise.all(waitOn);
- }
- cleanup(resetStats = false) {
- this.pendingCleanup = true;
- return this._tryCleanup(resetStats);
- }
- _tryCleanup(resetStats = false) {
- if (!this.pendingCleanup) {
- return false;
- }
- for (const {
- renderTasks,
- operatorList
- } of this._intentStates.values()) {
- if (renderTasks.size > 0 || !operatorList.lastChunk) {
- return false;
- }
- }
- this._intentStates.clear();
- this.objs.clear();
- if (resetStats && this._stats) {
- this._stats = new _display_utils.StatTimer();
- }
- for (const bitmap of this._bitmaps) {
- bitmap.close();
- }
- this._bitmaps.clear();
- this.pendingCleanup = false;
- return true;
- }
- _startRenderPage(transparency, cacheKey) {
- const intentState = this._intentStates.get(cacheKey);
- if (!intentState) {
- return;
- }
- this._stats?.timeEnd("Page Request");
- intentState.displayReadyCapability?.resolve(transparency);
- }
- _renderPageChunk(operatorListChunk, intentState) {
- for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
- intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
- intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
- }
- intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
- intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;
- for (const internalRenderTask of intentState.renderTasks) {
- internalRenderTask.operatorListChanged();
- }
- if (operatorListChunk.lastChunk) {
- this._tryCleanup();
- }
- }
- _pumpOperatorList({
- renderingIntent,
- cacheKey,
- annotationStorageMap
- }) {
- const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
- pageIndex: this._pageIndex,
- intent: renderingIntent,
- cacheKey,
- annotationStorage: annotationStorageMap
- });
- const reader = readableStream.getReader();
- const intentState = this._intentStates.get(cacheKey);
- intentState.streamReader = reader;
- const pump = () => {
- reader.read().then(({
- value,
- done
- }) => {
- if (done) {
- intentState.streamReader = null;
- return;
- }
- if (this._transport.destroyed) {
- return;
- }
- this._renderPageChunk(value, intentState);
- pump();
- }, reason => {
- intentState.streamReader = null;
- if (this._transport.destroyed) {
- return;
- }
- if (intentState.operatorList) {
- intentState.operatorList.lastChunk = true;
- for (const internalRenderTask of intentState.renderTasks) {
- internalRenderTask.operatorListChanged();
- }
- this._tryCleanup();
- }
- if (intentState.displayReadyCapability) {
- intentState.displayReadyCapability.reject(reason);
- } else if (intentState.opListReadCapability) {
- intentState.opListReadCapability.reject(reason);
- } else {
- throw reason;
- }
- });
- };
- pump();
- }
- _abortOperatorList({
- intentState,
- reason,
- force = false
- }) {
- if (!intentState.streamReader) {
- return;
- }
- if (intentState.streamReaderCancelTimeout) {
- clearTimeout(intentState.streamReaderCancelTimeout);
- intentState.streamReaderCancelTimeout = null;
- }
- if (!force) {
- if (intentState.renderTasks.size > 0) {
- return;
- }
- if (reason instanceof _display_utils.RenderingCancelledException) {
- let delay = RENDERING_CANCELLED_TIMEOUT;
- if (reason.extraDelay > 0 && reason.extraDelay < 1000) {
- delay += reason.extraDelay;
- }
- intentState.streamReaderCancelTimeout = setTimeout(() => {
- intentState.streamReaderCancelTimeout = null;
- this._abortOperatorList({
- intentState,
- reason,
- force: true
- });
- }, delay);
- return;
- }
- }
- intentState.streamReader.cancel(new _util.AbortException(reason.message)).catch(() => {});
- intentState.streamReader = null;
- if (this._transport.destroyed) {
- return;
- }
- for (const [curCacheKey, curIntentState] of this._intentStates) {
- if (curIntentState === intentState) {
- this._intentStates.delete(curCacheKey);
- break;
- }
- }
- this.cleanup();
- }
- get stats() {
- return this._stats;
- }
- }
- exports.PDFPageProxy = PDFPageProxy;
- class LoopbackPort {
- #listeners = [];
- #deferred = Promise.resolve();
- postMessage(obj, transfers) {
- const event = {
- data: structuredClone(obj, transfers)
- };
- this.#deferred.then(() => {
- for (const listener of this.#listeners) {
- listener.call(this, event);
- }
- });
- }
- addEventListener(name, listener) {
- this.#listeners.push(listener);
- }
- removeEventListener(name, listener) {
- const i = this.#listeners.indexOf(listener);
- this.#listeners.splice(i, 1);
- }
- terminate() {
- this.#listeners.length = 0;
- }
- }
- exports.LoopbackPort = LoopbackPort;
- const PDFWorkerUtil = {
- isWorkerDisabled: false,
- fallbackWorkerSrc: null,
- fakeWorkerId: 0
- };
- exports.PDFWorkerUtil = PDFWorkerUtil;
- {
- if (_is_node.isNodeJS && typeof require === "function") {
- PDFWorkerUtil.isWorkerDisabled = true;
- PDFWorkerUtil.fallbackWorkerSrc = "./pdf.worker.js";
- } else if (typeof document === "object") {
- const pdfjsFilePath = document?.currentScript?.src;
- if (pdfjsFilePath) {
- PDFWorkerUtil.fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
- }
- }
- PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {
- let base;
- try {
- base = new URL(baseUrl);
- if (!base.origin || base.origin === "null") {
- return false;
- }
- } catch (e) {
- return false;
- }
- const other = new URL(otherUrl, base);
- return base.origin === other.origin;
- };
- PDFWorkerUtil.createCDNWrapper = function (url) {
- const wrapper = `importScripts("${url}");`;
- return URL.createObjectURL(new Blob([wrapper]));
- };
- }
- class PDFWorker {
- static #workerPorts = new WeakMap();
- constructor({
- name = null,
- port = null,
- verbosity = (0, _util.getVerbosityLevel)()
- } = {}) {
- if (port && PDFWorker.#workerPorts.has(port)) {
- throw new Error("Cannot use more than one PDFWorker per port.");
- }
- this.name = name;
- this.destroyed = false;
- this.verbosity = verbosity;
- this._readyCapability = (0, _util.createPromiseCapability)();
- this._port = null;
- this._webWorker = null;
- this._messageHandler = null;
- if (port) {
- PDFWorker.#workerPorts.set(port, this);
- this._initializeFromPort(port);
- return;
- }
- this._initialize();
- }
- get promise() {
- return this._readyCapability.promise;
- }
- get port() {
- return this._port;
- }
- get messageHandler() {
- return this._messageHandler;
- }
- _initializeFromPort(port) {
- this._port = port;
- this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
- this._messageHandler.on("ready", function () {});
- this._readyCapability.resolve();
- this._messageHandler.send("configure", {
- verbosity: this.verbosity
- });
- }
- _initialize() {
- if (!PDFWorkerUtil.isWorkerDisabled && !PDFWorker._mainThreadWorkerMessageHandler) {
- let {
- workerSrc
- } = PDFWorker;
- try {
- if (!PDFWorkerUtil.isSameOrigin(window.location.href, workerSrc)) {
- workerSrc = PDFWorkerUtil.createCDNWrapper(new URL(workerSrc, window.location).href);
- }
- const worker = new Worker(workerSrc);
- const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
- const terminateEarly = () => {
- worker.removeEventListener("error", onWorkerError);
- messageHandler.destroy();
- worker.terminate();
- if (this.destroyed) {
- this._readyCapability.reject(new Error("Worker was destroyed"));
- } else {
- this._setupFakeWorker();
- }
- };
- const onWorkerError = () => {
- if (!this._webWorker) {
- terminateEarly();
- }
- };
- worker.addEventListener("error", onWorkerError);
- messageHandler.on("test", data => {
- worker.removeEventListener("error", onWorkerError);
- if (this.destroyed) {
- terminateEarly();
- return;
- }
- if (data) {
- this._messageHandler = messageHandler;
- this._port = worker;
- this._webWorker = worker;
- this._readyCapability.resolve();
- messageHandler.send("configure", {
- verbosity: this.verbosity
- });
- } else {
- this._setupFakeWorker();
- messageHandler.destroy();
- worker.terminate();
- }
- });
- messageHandler.on("ready", data => {
- worker.removeEventListener("error", onWorkerError);
- if (this.destroyed) {
- terminateEarly();
- return;
- }
- try {
- sendTest();
- } catch (e) {
- this._setupFakeWorker();
- }
- });
- const sendTest = () => {
- const testObj = new Uint8Array();
- messageHandler.send("test", testObj, [testObj.buffer]);
- };
- sendTest();
- return;
- } catch (e) {
- (0, _util.info)("The worker has been disabled.");
- }
- }
- this._setupFakeWorker();
- }
- _setupFakeWorker() {
- if (!PDFWorkerUtil.isWorkerDisabled) {
- (0, _util.warn)("Setting up fake worker.");
- PDFWorkerUtil.isWorkerDisabled = true;
- }
- PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
- if (this.destroyed) {
- this._readyCapability.reject(new Error("Worker was destroyed"));
- return;
- }
- const port = new LoopbackPort();
- this._port = port;
- const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;
- const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
- WorkerMessageHandler.setup(workerHandler, port);
- const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
- this._messageHandler = messageHandler;
- this._readyCapability.resolve();
- messageHandler.send("configure", {
- verbosity: this.verbosity
- });
- }).catch(reason => {
- this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
- });
- }
- destroy() {
- this.destroyed = true;
- if (this._webWorker) {
- this._webWorker.terminate();
- this._webWorker = null;
- }
- PDFWorker.#workerPorts.delete(this._port);
- this._port = null;
- if (this._messageHandler) {
- this._messageHandler.destroy();
- this._messageHandler = null;
- }
- }
- static fromPort(params) {
- if (!params?.port) {
- throw new Error("PDFWorker.fromPort - invalid method signature.");
- }
- if (this.#workerPorts.has(params.port)) {
- return this.#workerPorts.get(params.port);
- }
- return new PDFWorker(params);
- }
- static get workerSrc() {
- if (_worker_options.GlobalWorkerOptions.workerSrc) {
- return _worker_options.GlobalWorkerOptions.workerSrc;
- }
- if (PDFWorkerUtil.fallbackWorkerSrc !== null) {
- if (!_is_node.isNodeJS) {
- (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
- }
- return PDFWorkerUtil.fallbackWorkerSrc;
- }
- throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
- }
- static get _mainThreadWorkerMessageHandler() {
- try {
- return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
- } catch (ex) {
- return null;
- }
- }
- static get _setupFakeWorkerGlobal() {
- const loader = async () => {
- const mainWorkerMessageHandler = this._mainThreadWorkerMessageHandler;
- if (mainWorkerMessageHandler) {
- return mainWorkerMessageHandler;
- }
- if (_is_node.isNodeJS && typeof require === "function") {
- const worker = eval("require")(this.workerSrc);
- return worker.WorkerMessageHandler;
- }
- await (0, _display_utils.loadScript)(this.workerSrc);
- return window.pdfjsWorker.WorkerMessageHandler;
- };
- return (0, _util.shadow)(this, "_setupFakeWorkerGlobal", loader());
- }
- }
- exports.PDFWorker = PDFWorker;
- class WorkerTransport {
- #docStats = null;
- #pageCache = new Map();
- #pagePromises = new Map();
- #metadataPromise = null;
- constructor(messageHandler, loadingTask, networkStream, params) {
- this.messageHandler = messageHandler;
- this.loadingTask = loadingTask;
- this.commonObjs = new PDFObjects();
- this.fontLoader = new _font_loader.FontLoader({
- onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
- ownerDocument: params.ownerDocument,
- styleElement: params.styleElement
- });
- this._params = params;
- if (!params.useWorkerFetch) {
- this.CMapReaderFactory = new params.CMapReaderFactory({
- baseUrl: params.cMapUrl,
- isCompressed: params.cMapPacked
- });
- this.StandardFontDataFactory = new params.StandardFontDataFactory({
- baseUrl: params.standardFontDataUrl
- });
- }
- this.destroyed = false;
- this.destroyCapability = null;
- this._passwordCapability = null;
- this._networkStream = networkStream;
- this._fullReader = null;
- this._lastProgress = null;
- this.downloadInfoCapability = (0, _util.createPromiseCapability)();
- this.setupMessageHandler();
- }
- get annotationStorage() {
- return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
- }
- get stats() {
- return this.#docStats;
- }
- getRenderingIntent(intent, annotationMode = _util.AnnotationMode.ENABLE, printAnnotationStorage = null, isOpList = false) {
- let renderingIntent = _util.RenderingIntentFlag.DISPLAY;
- let annotationMap = null;
- switch (intent) {
- case "any":
- renderingIntent = _util.RenderingIntentFlag.ANY;
- break;
- case "display":
- break;
- case "print":
- renderingIntent = _util.RenderingIntentFlag.PRINT;
- break;
- default:
- (0, _util.warn)(`getRenderingIntent - invalid intent: ${intent}`);
- }
- switch (annotationMode) {
- case _util.AnnotationMode.DISABLE:
- renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_DISABLE;
- break;
- case _util.AnnotationMode.ENABLE:
- break;
- case _util.AnnotationMode.ENABLE_FORMS:
- renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_FORMS;
- break;
- case _util.AnnotationMode.ENABLE_STORAGE:
- renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_STORAGE;
- const annotationStorage = renderingIntent & _util.RenderingIntentFlag.PRINT && printAnnotationStorage instanceof _annotation_storage.PrintAnnotationStorage ? printAnnotationStorage : this.annotationStorage;
- annotationMap = annotationStorage.serializable;
- break;
- default:
- (0, _util.warn)(`getRenderingIntent - invalid annotationMode: ${annotationMode}`);
- }
- if (isOpList) {
- renderingIntent += _util.RenderingIntentFlag.OPLIST;
- }
- return {
- renderingIntent,
- cacheKey: `${renderingIntent}_${_annotation_storage.AnnotationStorage.getHash(annotationMap)}`,
- annotationStorageMap: annotationMap
- };
- }
- destroy() {
- if (this.destroyCapability) {
- return this.destroyCapability.promise;
- }
- this.destroyed = true;
- this.destroyCapability = (0, _util.createPromiseCapability)();
- if (this._passwordCapability) {
- this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
- }
- const waitOn = [];
- for (const page of this.#pageCache.values()) {
- waitOn.push(page._destroy());
- }
- this.#pageCache.clear();
- this.#pagePromises.clear();
- if (this.hasOwnProperty("annotationStorage")) {
- this.annotationStorage.resetModified();
- }
- const terminated = this.messageHandler.sendWithPromise("Terminate", null);
- waitOn.push(terminated);
- Promise.all(waitOn).then(() => {
- this.commonObjs.clear();
- this.fontLoader.clear();
- this.#metadataPromise = null;
- this._getFieldObjectsPromise = null;
- this._hasJSActionsPromise = null;
- if (this._networkStream) {
- this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
- }
- if (this.messageHandler) {
- this.messageHandler.destroy();
- this.messageHandler = null;
- }
- this.destroyCapability.resolve();
- }, this.destroyCapability.reject);
- return this.destroyCapability.promise;
- }
- setupMessageHandler() {
- const {
- messageHandler,
- loadingTask
- } = this;
- messageHandler.on("GetReader", (data, sink) => {
- (0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
- this._fullReader = this._networkStream.getFullReader();
- this._fullReader.onProgress = evt => {
- this._lastProgress = {
- loaded: evt.loaded,
- total: evt.total
- };
- };
- sink.onPull = () => {
- this._fullReader.read().then(function ({
- value,
- done
- }) {
- if (done) {
- sink.close();
- return;
- }
- (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
- sink.enqueue(new Uint8Array(value), 1, [value]);
- }).catch(reason => {
- sink.error(reason);
- });
- };
- sink.onCancel = reason => {
- this._fullReader.cancel(reason);
- sink.ready.catch(readyReason => {
- if (this.destroyed) {
- return;
- }
- throw readyReason;
- });
- };
- });
- messageHandler.on("ReaderHeadersReady", data => {
- const headersCapability = (0, _util.createPromiseCapability)();
- const fullReader = this._fullReader;
- fullReader.headersReady.then(() => {
- if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
- if (this._lastProgress) {
- loadingTask.onProgress?.(this._lastProgress);
- }
- fullReader.onProgress = evt => {
- loadingTask.onProgress?.({
- loaded: evt.loaded,
- total: evt.total
- });
- };
- }
- headersCapability.resolve({
- isStreamingSupported: fullReader.isStreamingSupported,
- isRangeSupported: fullReader.isRangeSupported,
- contentLength: fullReader.contentLength
- });
- }, headersCapability.reject);
- return headersCapability.promise;
- });
- messageHandler.on("GetRangeReader", (data, sink) => {
- (0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
- const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
- if (!rangeReader) {
- sink.close();
- return;
- }
- sink.onPull = () => {
- rangeReader.read().then(function ({
- value,
- done
- }) {
- if (done) {
- sink.close();
- return;
- }
- (0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
- sink.enqueue(new Uint8Array(value), 1, [value]);
- }).catch(reason => {
- sink.error(reason);
- });
- };
- sink.onCancel = reason => {
- rangeReader.cancel(reason);
- sink.ready.catch(readyReason => {
- if (this.destroyed) {
- return;
- }
- throw readyReason;
- });
- };
- });
- messageHandler.on("GetDoc", ({
- pdfInfo
- }) => {
- this._numPages = pdfInfo.numPages;
- this._htmlForXfa = pdfInfo.htmlForXfa;
- delete pdfInfo.htmlForXfa;
- loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
- });
- messageHandler.on("DocException", function (ex) {
- let reason;
- switch (ex.name) {
- case "PasswordException":
- reason = new _util.PasswordException(ex.message, ex.code);
- break;
- case "InvalidPDFException":
- reason = new _util.InvalidPDFException(ex.message);
- break;
- case "MissingPDFException":
- reason = new _util.MissingPDFException(ex.message);
- break;
- case "UnexpectedResponseException":
- reason = new _util.UnexpectedResponseException(ex.message, ex.status);
- break;
- case "UnknownErrorException":
- reason = new _util.UnknownErrorException(ex.message, ex.details);
- break;
- default:
- (0, _util.unreachable)("DocException - expected a valid Error.");
- }
- loadingTask._capability.reject(reason);
- });
- messageHandler.on("PasswordRequest", exception => {
- this._passwordCapability = (0, _util.createPromiseCapability)();
- if (loadingTask.onPassword) {
- const updatePassword = password => {
- if (password instanceof Error) {
- this._passwordCapability.reject(password);
- } else {
- this._passwordCapability.resolve({
- password
- });
- }
- };
- try {
- loadingTask.onPassword(updatePassword, exception.code);
- } catch (ex) {
- this._passwordCapability.reject(ex);
- }
- } else {
- this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
- }
- return this._passwordCapability.promise;
- });
- messageHandler.on("DataLoaded", data => {
- loadingTask.onProgress?.({
- loaded: data.length,
- total: data.length
- });
- this.downloadInfoCapability.resolve(data);
- });
- messageHandler.on("StartRenderPage", data => {
- if (this.destroyed) {
- return;
- }
- const page = this.#pageCache.get(data.pageIndex);
- page._startRenderPage(data.transparency, data.cacheKey);
- });
- messageHandler.on("commonobj", ([id, type, exportedData]) => {
- if (this.destroyed) {
- return;
- }
- if (this.commonObjs.has(id)) {
- return;
- }
- switch (type) {
- case "Font":
- const params = this._params;
- if ("error" in exportedData) {
- const exportedError = exportedData.error;
- (0, _util.warn)(`Error during font loading: ${exportedError}`);
- this.commonObjs.resolve(id, exportedError);
- break;
- }
- let fontRegistry = null;
- if (params.pdfBug && globalThis.FontInspector?.enabled) {
- fontRegistry = {
- registerFont(font, url) {
- globalThis.FontInspector.fontAdded(font, url);
- }
- };
- }
- const font = new _font_loader.FontFaceObject(exportedData, {
- isEvalSupported: params.isEvalSupported,
- disableFontFace: params.disableFontFace,
- ignoreErrors: params.ignoreErrors,
- onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
- fontRegistry
- });
- this.fontLoader.bind(font).catch(reason => {
- return messageHandler.sendWithPromise("FontFallback", {
- id
- });
- }).finally(() => {
- if (!params.fontExtraProperties && font.data) {
- font.data = null;
- }
- this.commonObjs.resolve(id, font);
- });
- break;
- case "FontPath":
- case "Image":
- this.commonObjs.resolve(id, exportedData);
- break;
- default:
- throw new Error(`Got unknown common object type ${type}`);
- }
- });
- messageHandler.on("obj", ([id, pageIndex, type, imageData]) => {
- if (this.destroyed) {
- return;
- }
- const pageProxy = this.#pageCache.get(pageIndex);
- if (pageProxy.objs.has(id)) {
- return;
- }
- switch (type) {
- case "Image":
- pageProxy.objs.resolve(id, imageData);
- const MAX_IMAGE_SIZE_TO_STORE = 8000000;
- if (imageData) {
- let length;
- if (imageData.bitmap) {
- const {
- bitmap,
- width,
- height
- } = imageData;
- length = width * height * 4;
- pageProxy._bitmaps.add(bitmap);
- } else {
- length = imageData.data?.length || 0;
- }
- if (length > MAX_IMAGE_SIZE_TO_STORE) {
- pageProxy.cleanupAfterRender = true;
- }
- }
- break;
- case "Pattern":
- pageProxy.objs.resolve(id, imageData);
- break;
- default:
- throw new Error(`Got unknown object type ${type}`);
- }
- });
- messageHandler.on("DocProgress", data => {
- if (this.destroyed) {
- return;
- }
- loadingTask.onProgress?.({
- loaded: data.loaded,
- total: data.total
- });
- });
- messageHandler.on("DocStats", data => {
- if (this.destroyed) {
- return;
- }
- this.#docStats = Object.freeze({
- streamTypes: Object.freeze(data.streamTypes),
- fontTypes: Object.freeze(data.fontTypes)
- });
- });
- messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
- messageHandler.on("FetchBuiltInCMap", data => {
- if (this.destroyed) {
- return Promise.reject(new Error("Worker was destroyed."));
- }
- if (!this.CMapReaderFactory) {
- return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter."));
- }
- return this.CMapReaderFactory.fetch(data);
- });
- messageHandler.on("FetchStandardFontData", data => {
- if (this.destroyed) {
- return Promise.reject(new Error("Worker was destroyed."));
- }
- if (!this.StandardFontDataFactory) {
- return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter."));
- }
- return this.StandardFontDataFactory.fetch(data);
- });
- }
- _onUnsupportedFeature({
- featureId
- }) {
- if (this.destroyed) {
- return;
- }
- this.loadingTask.onUnsupportedFeature?.(featureId);
- }
- getData() {
- return this.messageHandler.sendWithPromise("GetData", null);
- }
- saveDocument() {
- if (this.annotationStorage.size <= 0) {
- (0, _util.warn)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
- }
- return this.messageHandler.sendWithPromise("SaveDocument", {
- isPureXfa: !!this._htmlForXfa,
- numPages: this._numPages,
- annotationStorage: this.annotationStorage.serializable,
- filename: this._fullReader?.filename ?? null
- }).finally(() => {
- this.annotationStorage.resetModified();
- });
- }
- getPage(pageNumber) {
- if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
- return Promise.reject(new Error("Invalid page request."));
- }
- const pageIndex = pageNumber - 1,
- cachedPromise = this.#pagePromises.get(pageIndex);
- if (cachedPromise) {
- return cachedPromise;
- }
- const promise = this.messageHandler.sendWithPromise("GetPage", {
- pageIndex
- }).then(pageInfo => {
- if (this.destroyed) {
- throw new Error("Transport destroyed");
- }
- const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
- this.#pageCache.set(pageIndex, page);
- return page;
- });
- this.#pagePromises.set(pageIndex, promise);
- return promise;
- }
- getPageIndex(ref) {
- if (typeof ref !== "object" || ref === null || !Number.isInteger(ref.num) || ref.num < 0 || !Number.isInteger(ref.gen) || ref.gen < 0) {
- return Promise.reject(new Error("Invalid pageIndex request."));
- }
- return this.messageHandler.sendWithPromise("GetPageIndex", {
- num: ref.num,
- gen: ref.gen
- });
- }
- getAnnotations(pageIndex, intent) {
- return this.messageHandler.sendWithPromise("GetAnnotations", {
- pageIndex,
- intent
- });
- }
- getFieldObjects() {
- return this._getFieldObjectsPromise ||= this.messageHandler.sendWithPromise("GetFieldObjects", null);
- }
- hasJSActions() {
- return this._hasJSActionsPromise ||= this.messageHandler.sendWithPromise("HasJSActions", null);
- }
- getCalculationOrderIds() {
- return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null);
- }
- getDestinations() {
- return this.messageHandler.sendWithPromise("GetDestinations", null);
- }
- getDestination(id) {
- if (typeof id !== "string") {
- return Promise.reject(new Error("Invalid destination request."));
- }
- return this.messageHandler.sendWithPromise("GetDestination", {
- id
- });
- }
- getPageLabels() {
- return this.messageHandler.sendWithPromise("GetPageLabels", null);
- }
- getPageLayout() {
- return this.messageHandler.sendWithPromise("GetPageLayout", null);
- }
- getPageMode() {
- return this.messageHandler.sendWithPromise("GetPageMode", null);
- }
- getViewerPreferences() {
- return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
- }
- getOpenAction() {
- return this.messageHandler.sendWithPromise("GetOpenAction", null);
- }
- getAttachments() {
- return this.messageHandler.sendWithPromise("GetAttachments", null);
- }
- getJavaScript() {
- return this.messageHandler.sendWithPromise("GetJavaScript", null);
- }
- getDocJSActions() {
- return this.messageHandler.sendWithPromise("GetDocJSActions", null);
- }
- getPageJSActions(pageIndex) {
- return this.messageHandler.sendWithPromise("GetPageJSActions", {
- pageIndex
- });
- }
- getStructTree(pageIndex) {
- return this.messageHandler.sendWithPromise("GetStructTree", {
- pageIndex
- });
- }
- getOutline() {
- return this.messageHandler.sendWithPromise("GetOutline", null);
- }
- getOptionalContentConfig() {
- return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
- return new _optional_content_config.OptionalContentConfig(results);
- });
- }
- getPermissions() {
- return this.messageHandler.sendWithPromise("GetPermissions", null);
- }
- getMetadata() {
- return this.#metadataPromise ||= this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
- return {
- info: results[0],
- metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
- contentDispositionFilename: this._fullReader?.filename ?? null,
- contentLength: this._fullReader?.contentLength ?? null
- };
- });
- }
- getMarkInfo() {
- return this.messageHandler.sendWithPromise("GetMarkInfo", null);
- }
- async startCleanup(keepLoadedFonts = false) {
- if (this.destroyed) {
- return;
- }
- await this.messageHandler.sendWithPromise("Cleanup", null);
- for (const page of this.#pageCache.values()) {
- const cleanupSuccessful = page.cleanup();
- if (!cleanupSuccessful) {
- throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
- }
- }
- this.commonObjs.clear();
- if (!keepLoadedFonts) {
- this.fontLoader.clear();
- }
- this.#metadataPromise = null;
- this._getFieldObjectsPromise = null;
- this._hasJSActionsPromise = null;
- }
- get loadingParams() {
- const params = this._params;
- return (0, _util.shadow)(this, "loadingParams", {
- disableAutoFetch: params.disableAutoFetch,
- enableXfa: params.enableXfa
- });
- }
- }
- class PDFObjects {
- #objs = Object.create(null);
- #ensureObj(objId) {
- const obj = this.#objs[objId];
- if (obj) {
- return obj;
- }
- return this.#objs[objId] = {
- capability: (0, _util.createPromiseCapability)(),
- data: null
- };
- }
- get(objId, callback = null) {
- if (callback) {
- const obj = this.#ensureObj(objId);
- obj.capability.promise.then(() => callback(obj.data));
- return null;
- }
- const obj = this.#objs[objId];
- if (!obj?.capability.settled) {
- throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
- }
- return obj.data;
- }
- has(objId) {
- const obj = this.#objs[objId];
- return obj?.capability.settled || false;
- }
- resolve(objId, data = null) {
- const obj = this.#ensureObj(objId);
- obj.data = data;
- obj.capability.resolve();
- }
- clear() {
- this.#objs = Object.create(null);
- }
- }
- class RenderTask {
- #internalRenderTask = null;
- constructor(internalRenderTask) {
- this.#internalRenderTask = internalRenderTask;
- this.onContinue = null;
- }
- get promise() {
- return this.#internalRenderTask.capability.promise;
- }
- cancel(extraDelay = 0) {
- this.#internalRenderTask.cancel(null, extraDelay);
- }
- get separateAnnots() {
- const {
- separateAnnots
- } = this.#internalRenderTask.operatorList;
- if (!separateAnnots) {
- return false;
- }
- const {
- annotationCanvasMap
- } = this.#internalRenderTask;
- return separateAnnots.form || separateAnnots.canvas && annotationCanvasMap?.size > 0;
- }
- }
- exports.RenderTask = RenderTask;
- class InternalRenderTask {
- static #canvasInUse = new WeakSet();
- constructor({
- callback,
- params,
- objs,
- commonObjs,
- annotationCanvasMap,
- operatorList,
- pageIndex,
- canvasFactory,
- useRequestAnimationFrame = false,
- pdfBug = false,
- pageColors = null
- }) {
- this.callback = callback;
- this.params = params;
- this.objs = objs;
- this.commonObjs = commonObjs;
- this.annotationCanvasMap = annotationCanvasMap;
- this.operatorListIdx = null;
- this.operatorList = operatorList;
- this._pageIndex = pageIndex;
- this.canvasFactory = canvasFactory;
- this._pdfBug = pdfBug;
- this.pageColors = pageColors;
- this.running = false;
- this.graphicsReadyCallback = null;
- this.graphicsReady = false;
- this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
- this.cancelled = false;
- this.capability = (0, _util.createPromiseCapability)();
- this.task = new RenderTask(this);
- this._cancelBound = this.cancel.bind(this);
- this._continueBound = this._continue.bind(this);
- this._scheduleNextBound = this._scheduleNext.bind(this);
- this._nextBound = this._next.bind(this);
- this._canvas = params.canvasContext.canvas;
- }
- get completed() {
- return this.capability.promise.catch(function () {});
- }
- initializeGraphics({
- transparency = false,
- optionalContentConfig
- }) {
- if (this.cancelled) {
- return;
- }
- if (this._canvas) {
- if (InternalRenderTask.#canvasInUse.has(this._canvas)) {
- throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
- }
- InternalRenderTask.#canvasInUse.add(this._canvas);
- }
- if (this._pdfBug && globalThis.StepperManager?.enabled) {
- this.stepper = globalThis.StepperManager.create(this._pageIndex);
- this.stepper.init(this.operatorList);
- this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
- }
- const {
- canvasContext,
- viewport,
- transform,
- background
- } = this.params;
- this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, {
- optionalContentConfig
- }, this.annotationCanvasMap, this.pageColors);
- this.gfx.beginDrawing({
- transform,
- viewport,
- transparency,
- background
- });
- this.operatorListIdx = 0;
- this.graphicsReady = true;
- this.graphicsReadyCallback?.();
- }
- cancel(error = null, extraDelay = 0) {
- this.running = false;
- this.cancelled = true;
- this.gfx?.endDrawing();
- if (this._canvas) {
- InternalRenderTask.#canvasInUse.delete(this._canvas);
- }
- this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas", extraDelay));
- }
- operatorListChanged() {
- if (!this.graphicsReady) {
- if (!this.graphicsReadyCallback) {
- this.graphicsReadyCallback = this._continueBound;
- }
- return;
- }
- this.stepper?.updateOperatorList(this.operatorList);
- if (this.running) {
- return;
- }
- this._continue();
- }
- _continue() {
- this.running = true;
- if (this.cancelled) {
- return;
- }
- if (this.task.onContinue) {
- this.task.onContinue(this._scheduleNextBound);
- } else {
- this._scheduleNext();
- }
- }
- _scheduleNext() {
- if (this._useRequestAnimationFrame) {
- window.requestAnimationFrame(() => {
- this._nextBound().catch(this._cancelBound);
- });
- } else {
- Promise.resolve().then(this._nextBound).catch(this._cancelBound);
- }
- }
- async _next() {
- if (this.cancelled) {
- return;
- }
- this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
- if (this.operatorListIdx === this.operatorList.argsArray.length) {
- this.running = false;
- if (this.operatorList.lastChunk) {
- this.gfx.endDrawing();
- if (this._canvas) {
- InternalRenderTask.#canvasInUse.delete(this._canvas);
- }
- this.callback();
- }
- }
- }
- }
- const version = '3.2.141';
- exports.version = version;
- const build = '35ca6ab31';
- exports.build = build;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.PrintAnnotationStorage = exports.AnnotationStorage = void 0;
- var _util = __w_pdfjs_require__(1);
- var _editor = __w_pdfjs_require__(4);
- var _murmurhash = __w_pdfjs_require__(8);
- class AnnotationStorage {
- #modified = false;
- #storage = new Map();
- constructor() {
- this.onSetModified = null;
- this.onResetModified = null;
- this.onAnnotationEditor = null;
- }
- getValue(key, defaultValue) {
- const value = this.#storage.get(key);
- if (value === undefined) {
- return defaultValue;
- }
- return Object.assign(defaultValue, value);
- }
- getRawValue(key) {
- return this.#storage.get(key);
- }
- remove(key) {
- this.#storage.delete(key);
- if (this.#storage.size === 0) {
- this.resetModified();
- }
- if (typeof this.onAnnotationEditor === "function") {
- for (const value of this.#storage.values()) {
- if (value instanceof _editor.AnnotationEditor) {
- return;
- }
- }
- this.onAnnotationEditor(null);
- }
- }
- setValue(key, value) {
- const obj = this.#storage.get(key);
- let modified = false;
- if (obj !== undefined) {
- for (const [entry, val] of Object.entries(value)) {
- if (obj[entry] !== val) {
- modified = true;
- obj[entry] = val;
- }
- }
- } else {
- modified = true;
- this.#storage.set(key, value);
- }
- if (modified) {
- this.#setModified();
- }
- if (value instanceof _editor.AnnotationEditor && typeof this.onAnnotationEditor === "function") {
- this.onAnnotationEditor(value.constructor._type);
- }
- }
- has(key) {
- return this.#storage.has(key);
- }
- getAll() {
- return this.#storage.size > 0 ? (0, _util.objectFromMap)(this.#storage) : null;
- }
- get size() {
- return this.#storage.size;
- }
- #setModified() {
- if (!this.#modified) {
- this.#modified = true;
- if (typeof this.onSetModified === "function") {
- this.onSetModified();
- }
- }
- }
- resetModified() {
- if (this.#modified) {
- this.#modified = false;
- if (typeof this.onResetModified === "function") {
- this.onResetModified();
- }
- }
- }
- get print() {
- return new PrintAnnotationStorage(this);
- }
- get serializable() {
- if (this.#storage.size === 0) {
- return null;
- }
- const clone = new Map();
- for (const [key, val] of this.#storage) {
- const serialized = val instanceof _editor.AnnotationEditor ? val.serialize() : val;
- if (serialized) {
- clone.set(key, serialized);
- }
- }
- return clone;
- }
- static getHash(map) {
- if (!map) {
- return "";
- }
- const hash = new _murmurhash.MurmurHash3_64();
- for (const [key, val] of map) {
- hash.update(`${key}:${JSON.stringify(val)}`);
- }
- return hash.hexdigest();
- }
- }
- exports.AnnotationStorage = AnnotationStorage;
- class PrintAnnotationStorage extends AnnotationStorage {
- #serializable = null;
- constructor(parent) {
- super();
- this.#serializable = structuredClone(parent.serializable);
- }
- get print() {
- (0, _util.unreachable)("Should not call PrintAnnotationStorage.print");
- }
- get serializable() {
- return this.#serializable;
- }
- }
- exports.PrintAnnotationStorage = PrintAnnotationStorage;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.AnnotationEditor = void 0;
- var _tools = __w_pdfjs_require__(5);
- var _util = __w_pdfjs_require__(1);
- class AnnotationEditor {
- #boundFocusin = this.focusin.bind(this);
- #boundFocusout = this.focusout.bind(this);
- #hasBeenSelected = false;
- #isEditing = false;
- #isInEditMode = false;
- _uiManager = null;
- #zIndex = AnnotationEditor._zIndex++;
- static _colorManager = new _tools.ColorManager();
- static _zIndex = 1;
- constructor(parameters) {
- if (this.constructor === AnnotationEditor) {
- (0, _util.unreachable)("Cannot initialize AnnotationEditor.");
- }
- this.parent = parameters.parent;
- this.id = parameters.id;
- this.width = this.height = null;
- this.pageIndex = parameters.parent.pageIndex;
- this.name = parameters.name;
- this.div = null;
- this._uiManager = parameters.uiManager;
- const {
- rotation,
- rawDims: {
- pageWidth,
- pageHeight,
- pageX,
- pageY
- }
- } = this.parent.viewport;
- this.rotation = rotation;
- this.pageDimensions = [pageWidth, pageHeight];
- this.pageTranslation = [pageX, pageY];
- const [width, height] = this.parentDimensions;
- this.x = parameters.x / width;
- this.y = parameters.y / height;
- this.isAttachedToDOM = false;
- }
- static get _defaultLineColor() {
- return (0, _util.shadow)(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText"));
- }
- addCommands(params) {
- this._uiManager.addCommands(params);
- }
- get currentLayer() {
- return this._uiManager.currentLayer;
- }
- setInBackground() {
- this.div.style.zIndex = 0;
- }
- setInForeground() {
- this.div.style.zIndex = this.#zIndex;
- }
- setParent(parent) {
- if (parent !== null) {
- this.pageIndex = parent.pageIndex;
- this.pageDimensions = parent.pageDimensions;
- }
- this.parent = parent;
- }
- focusin(event) {
- if (!this.#hasBeenSelected) {
- this.parent.setSelected(this);
- } else {
- this.#hasBeenSelected = false;
- }
- }
- focusout(event) {
- if (!this.isAttachedToDOM) {
- return;
- }
- const target = event.relatedTarget;
- if (target?.closest(`#${this.id}`)) {
- return;
- }
- event.preventDefault();
- if (!this.parent?.isMultipleSelection) {
- this.commitOrRemove();
- }
- }
- commitOrRemove() {
- if (this.isEmpty()) {
- this.remove();
- } else {
- this.commit();
- }
- }
- commit() {
- this.addToAnnotationStorage();
- }
- addToAnnotationStorage() {
- this._uiManager.addToAnnotationStorage(this);
- }
- dragstart(event) {
- const rect = this.parent.div.getBoundingClientRect();
- this.startX = event.clientX - rect.x;
- this.startY = event.clientY - rect.y;
- event.dataTransfer.setData("text/plain", this.id);
- event.dataTransfer.effectAllowed = "move";
- }
- setAt(x, y, tx, ty) {
- const [width, height] = this.parentDimensions;
- [tx, ty] = this.screenToPageTranslation(tx, ty);
- this.x = (x + tx) / width;
- this.y = (y + ty) / height;
- this.div.style.left = `${100 * this.x}%`;
- this.div.style.top = `${100 * this.y}%`;
- }
- translate(x, y) {
- const [width, height] = this.parentDimensions;
- [x, y] = this.screenToPageTranslation(x, y);
- this.x += x / width;
- this.y += y / height;
- this.div.style.left = `${100 * this.x}%`;
- this.div.style.top = `${100 * this.y}%`;
- }
- screenToPageTranslation(x, y) {
- switch (this.parentRotation) {
- case 90:
- return [y, -x];
- case 180:
- return [-x, -y];
- case 270:
- return [-y, x];
- default:
- return [x, y];
- }
- }
- get parentScale() {
- return this._uiManager.viewParameters.realScale;
- }
- get parentRotation() {
- return this._uiManager.viewParameters.rotation;
- }
- get parentDimensions() {
- const {
- realScale
- } = this._uiManager.viewParameters;
- const [pageWidth, pageHeight] = this.pageDimensions;
- return [pageWidth * realScale, pageHeight * realScale];
- }
- setDims(width, height) {
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.div.style.width = `${100 * width / parentWidth}%`;
- this.div.style.height = `${100 * height / parentHeight}%`;
- }
- fixDims() {
- const {
- style
- } = this.div;
- const {
- height,
- width
- } = style;
- const widthPercent = width.endsWith("%");
- const heightPercent = height.endsWith("%");
- if (widthPercent && heightPercent) {
- return;
- }
- const [parentWidth, parentHeight] = this.parentDimensions;
- if (!widthPercent) {
- style.width = `${100 * parseFloat(width) / parentWidth}%`;
- }
- if (!heightPercent) {
- style.height = `${100 * parseFloat(height) / parentHeight}%`;
- }
- }
- getInitialTranslation() {
- return [0, 0];
- }
- render() {
- this.div = document.createElement("div");
- this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360);
- this.div.className = this.name;
- this.div.setAttribute("id", this.id);
- this.div.setAttribute("tabIndex", 0);
- this.setInForeground();
- this.div.addEventListener("focusin", this.#boundFocusin);
- this.div.addEventListener("focusout", this.#boundFocusout);
- const [tx, ty] = this.getInitialTranslation();
- this.translate(tx, ty);
- (0, _tools.bindEvents)(this, this.div, ["dragstart", "pointerdown"]);
- return this.div;
- }
- pointerdown(event) {
- const {
- isMac
- } = _util.FeatureTest.platform;
- if (event.button !== 0 || event.ctrlKey && isMac) {
- event.preventDefault();
- return;
- }
- if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) {
- this.parent.toggleSelected(this);
- } else {
- this.parent.setSelected(this);
- }
- this.#hasBeenSelected = true;
- }
- getRect(tx, ty) {
- const scale = this.parentScale;
- const [pageWidth, pageHeight] = this.pageDimensions;
- const [pageX, pageY] = this.pageTranslation;
- const shiftX = tx / scale;
- const shiftY = ty / scale;
- const x = this.x * pageWidth;
- const y = this.y * pageHeight;
- const width = this.width * pageWidth;
- const height = this.height * pageHeight;
- switch (this.rotation) {
- case 0:
- return [x + shiftX + pageX, pageHeight - y - shiftY - height + pageY, x + shiftX + width + pageX, pageHeight - y - shiftY + pageY];
- case 90:
- return [x + shiftY + pageX, pageHeight - y + shiftX + pageY, x + shiftY + height + pageX, pageHeight - y + shiftX + width + pageY];
- case 180:
- return [x - shiftX - width + pageX, pageHeight - y + shiftY + pageY, x - shiftX + pageX, pageHeight - y + shiftY + height + pageY];
- case 270:
- return [x - shiftY - height + pageX, pageHeight - y - shiftX - width + pageY, x - shiftY + pageX, pageHeight - y - shiftX + pageY];
- default:
- throw new Error("Invalid rotation");
- }
- }
- getRectInCurrentCoords(rect, pageHeight) {
- const [x1, y1, x2, y2] = rect;
- const width = x2 - x1;
- const height = y2 - y1;
- switch (this.rotation) {
- case 0:
- return [x1, pageHeight - y2, width, height];
- case 90:
- return [x1, pageHeight - y1, height, width];
- case 180:
- return [x2, pageHeight - y1, width, height];
- case 270:
- return [x2, pageHeight - y2, height, width];
- default:
- throw new Error("Invalid rotation");
- }
- }
- onceAdded() {}
- isEmpty() {
- return false;
- }
- enableEditMode() {
- this.#isInEditMode = true;
- }
- disableEditMode() {
- this.#isInEditMode = false;
- }
- isInEditMode() {
- return this.#isInEditMode;
- }
- shouldGetKeyboardEvents() {
- return false;
- }
- needsToBeRebuilt() {
- return this.div && !this.isAttachedToDOM;
- }
- rebuild() {
- this.div?.addEventListener("focusin", this.#boundFocusin);
- }
- serialize() {
- (0, _util.unreachable)("An editor must be serializable");
- }
- static deserialize(data, parent, uiManager) {
- const editor = new this.prototype.constructor({
- parent,
- id: parent.getNextId(),
- uiManager
- });
- editor.rotation = data.rotation;
- const [pageWidth, pageHeight] = editor.pageDimensions;
- const [x, y, width, height] = editor.getRectInCurrentCoords(data.rect, pageHeight);
- editor.x = x / pageWidth;
- editor.y = y / pageHeight;
- editor.width = width / pageWidth;
- editor.height = height / pageHeight;
- return editor;
- }
- remove() {
- this.div.removeEventListener("focusin", this.#boundFocusin);
- this.div.removeEventListener("focusout", this.#boundFocusout);
- if (!this.isEmpty()) {
- this.commit();
- }
- this.parent.remove(this);
- }
- select() {
- this.div?.classList.add("selectedEditor");
- }
- unselect() {
- this.div?.classList.remove("selectedEditor");
- }
- updateParams(type, value) {}
- disableEditing() {}
- enableEditing() {}
- get propertiesToUpdate() {
- return {};
- }
- get contentDiv() {
- return this.div;
- }
- get isEditing() {
- return this.#isEditing;
- }
- set isEditing(value) {
- this.#isEditing = value;
- if (value) {
- this.parent.setSelected(this);
- this.parent.setActiveEditor(this);
- } else {
- this.parent.setActiveEditor(null);
- }
- }
- }
- exports.AnnotationEditor = AnnotationEditor;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.KeyboardManager = exports.CommandManager = exports.ColorManager = exports.AnnotationEditorUIManager = void 0;
- exports.bindEvents = bindEvents;
- exports.opacityToHex = opacityToHex;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- function bindEvents(obj, element, names) {
- for (const name of names) {
- element.addEventListener(name, obj[name].bind(obj));
- }
- }
- function opacityToHex(opacity) {
- return Math.round(Math.min(255, Math.max(1, 255 * opacity))).toString(16).padStart(2, "0");
- }
- class IdManager {
- #id = 0;
- getId() {
- return `${_util.AnnotationEditorPrefix}${this.#id++}`;
- }
- }
- class CommandManager {
- #commands = [];
- #locked = false;
- #maxSize;
- #position = -1;
- constructor(maxSize = 128) {
- this.#maxSize = maxSize;
- }
- add({
- cmd,
- undo,
- mustExec,
- type = NaN,
- overwriteIfSameType = false,
- keepUndo = false
- }) {
- if (mustExec) {
- cmd();
- }
- if (this.#locked) {
- return;
- }
- const save = {
- cmd,
- undo,
- type
- };
- if (this.#position === -1) {
- if (this.#commands.length > 0) {
- this.#commands.length = 0;
- }
- this.#position = 0;
- this.#commands.push(save);
- return;
- }
- if (overwriteIfSameType && this.#commands[this.#position].type === type) {
- if (keepUndo) {
- save.undo = this.#commands[this.#position].undo;
- }
- this.#commands[this.#position] = save;
- return;
- }
- const next = this.#position + 1;
- if (next === this.#maxSize) {
- this.#commands.splice(0, 1);
- } else {
- this.#position = next;
- if (next < this.#commands.length) {
- this.#commands.splice(next);
- }
- }
- this.#commands.push(save);
- }
- undo() {
- if (this.#position === -1) {
- return;
- }
- this.#locked = true;
- this.#commands[this.#position].undo();
- this.#locked = false;
- this.#position -= 1;
- }
- redo() {
- if (this.#position < this.#commands.length - 1) {
- this.#position += 1;
- this.#locked = true;
- this.#commands[this.#position].cmd();
- this.#locked = false;
- }
- }
- hasSomethingToUndo() {
- return this.#position !== -1;
- }
- hasSomethingToRedo() {
- return this.#position < this.#commands.length - 1;
- }
- destroy() {
- this.#commands = null;
- }
- }
- exports.CommandManager = CommandManager;
- class KeyboardManager {
- constructor(callbacks) {
- this.buffer = [];
- this.callbacks = new Map();
- this.allKeys = new Set();
- const {
- isMac
- } = _util.FeatureTest.platform;
- for (const [keys, callback] of callbacks) {
- for (const key of keys) {
- const isMacKey = key.startsWith("mac+");
- if (isMac && isMacKey) {
- this.callbacks.set(key.slice(4), callback);
- this.allKeys.add(key.split("+").at(-1));
- } else if (!isMac && !isMacKey) {
- this.callbacks.set(key, callback);
- this.allKeys.add(key.split("+").at(-1));
- }
- }
- }
- }
- #serialize(event) {
- if (event.altKey) {
- this.buffer.push("alt");
- }
- if (event.ctrlKey) {
- this.buffer.push("ctrl");
- }
- if (event.metaKey) {
- this.buffer.push("meta");
- }
- if (event.shiftKey) {
- this.buffer.push("shift");
- }
- this.buffer.push(event.key);
- const str = this.buffer.join("+");
- this.buffer.length = 0;
- return str;
- }
- exec(self, event) {
- if (!this.allKeys.has(event.key)) {
- return;
- }
- const callback = this.callbacks.get(this.#serialize(event));
- if (!callback) {
- return;
- }
- callback.bind(self)();
- event.stopPropagation();
- event.preventDefault();
- }
- }
- exports.KeyboardManager = KeyboardManager;
- class ColorManager {
- static _colorsMapping = new Map([["CanvasText", [0, 0, 0]], ["Canvas", [255, 255, 255]]]);
- get _colors() {
- const colors = new Map([["CanvasText", null], ["Canvas", null]]);
- (0, _display_utils.getColorValues)(colors);
- return (0, _util.shadow)(this, "_colors", colors);
- }
- convert(color) {
- const rgb = (0, _display_utils.getRGB)(color);
- if (!window.matchMedia("(forced-colors: active)").matches) {
- return rgb;
- }
- for (const [name, RGB] of this._colors) {
- if (RGB.every((x, i) => x === rgb[i])) {
- return ColorManager._colorsMapping.get(name);
- }
- }
- return rgb;
- }
- getHexCode(name) {
- const rgb = this._colors.get(name);
- if (!rgb) {
- return name;
- }
- return _util.Util.makeHexColor(...rgb);
- }
- }
- exports.ColorManager = ColorManager;
- class AnnotationEditorUIManager {
- #activeEditor = null;
- #allEditors = new Map();
- #allLayers = new Map();
- #annotationStorage = null;
- #commandManager = new CommandManager();
- #currentPageIndex = 0;
- #editorTypes = null;
- #editorsToRescale = new Set();
- #eventBus = null;
- #idManager = new IdManager();
- #isEnabled = false;
- #mode = _util.AnnotationEditorType.NONE;
- #selectedEditors = new Set();
- #boundCopy = this.copy.bind(this);
- #boundCut = this.cut.bind(this);
- #boundPaste = this.paste.bind(this);
- #boundKeydown = this.keydown.bind(this);
- #boundOnEditingAction = this.onEditingAction.bind(this);
- #boundOnPageChanging = this.onPageChanging.bind(this);
- #boundOnScaleChanging = this.onScaleChanging.bind(this);
- #boundOnRotationChanging = this.onRotationChanging.bind(this);
- #previousStates = {
- isEditing: false,
- isEmpty: true,
- hasSomethingToUndo: false,
- hasSomethingToRedo: false,
- hasSelectedEditor: false
- };
- #container = null;
- static _keyboardManager = new KeyboardManager([[["ctrl+a", "mac+meta+a"], AnnotationEditorUIManager.prototype.selectAll], [["ctrl+z", "mac+meta+z"], AnnotationEditorUIManager.prototype.undo], [["ctrl+y", "ctrl+shift+Z", "mac+meta+shift+Z"], AnnotationEditorUIManager.prototype.redo], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete"], AnnotationEditorUIManager.prototype.delete], [["Escape", "mac+Escape"], AnnotationEditorUIManager.prototype.unselectAll]]);
- constructor(container, eventBus, annotationStorage) {
- this.#container = container;
- this.#eventBus = eventBus;
- this.#eventBus._on("editingaction", this.#boundOnEditingAction);
- this.#eventBus._on("pagechanging", this.#boundOnPageChanging);
- this.#eventBus._on("scalechanging", this.#boundOnScaleChanging);
- this.#eventBus._on("rotationchanging", this.#boundOnRotationChanging);
- this.#annotationStorage = annotationStorage;
- this.viewParameters = {
- realScale: _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS,
- rotation: 0
- };
- }
- destroy() {
- this.#removeKeyboardManager();
- this.#eventBus._off("editingaction", this.#boundOnEditingAction);
- this.#eventBus._off("pagechanging", this.#boundOnPageChanging);
- this.#eventBus._off("scalechanging", this.#boundOnScaleChanging);
- this.#eventBus._off("rotationchanging", this.#boundOnRotationChanging);
- for (const layer of this.#allLayers.values()) {
- layer.destroy();
- }
- this.#allLayers.clear();
- this.#allEditors.clear();
- this.#editorsToRescale.clear();
- this.#activeEditor = null;
- this.#selectedEditors.clear();
- this.#commandManager.destroy();
- }
- onPageChanging({
- pageNumber
- }) {
- this.#currentPageIndex = pageNumber - 1;
- }
- focusMainContainer() {
- this.#container.focus();
- }
- addShouldRescale(editor) {
- this.#editorsToRescale.add(editor);
- }
- removeShouldRescale(editor) {
- this.#editorsToRescale.delete(editor);
- }
- onScaleChanging({
- scale
- }) {
- this.commitOrRemove();
- this.viewParameters.realScale = scale * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS;
- for (const editor of this.#editorsToRescale) {
- editor.onScaleChanging();
- }
- }
- onRotationChanging({
- pagesRotation
- }) {
- this.commitOrRemove();
- this.viewParameters.rotation = pagesRotation;
- }
- addToAnnotationStorage(editor) {
- if (!editor.isEmpty() && this.#annotationStorage && !this.#annotationStorage.has(editor.id)) {
- this.#annotationStorage.setValue(editor.id, editor);
- }
- }
- #addKeyboardManager() {
- this.#container.addEventListener("keydown", this.#boundKeydown);
- }
- #removeKeyboardManager() {
- this.#container.removeEventListener("keydown", this.#boundKeydown);
- }
- #addCopyPasteListeners() {
- document.addEventListener("copy", this.#boundCopy);
- document.addEventListener("cut", this.#boundCut);
- document.addEventListener("paste", this.#boundPaste);
- }
- #removeCopyPasteListeners() {
- document.removeEventListener("copy", this.#boundCopy);
- document.removeEventListener("cut", this.#boundCut);
- document.removeEventListener("paste", this.#boundPaste);
- }
- copy(event) {
- event.preventDefault();
- if (this.#activeEditor) {
- this.#activeEditor.commitOrRemove();
- }
- if (!this.hasSelection) {
- return;
- }
- const editors = [];
- for (const editor of this.#selectedEditors) {
- if (!editor.isEmpty()) {
- editors.push(editor.serialize());
- }
- }
- if (editors.length === 0) {
- return;
- }
- event.clipboardData.setData("application/pdfjs", JSON.stringify(editors));
- }
- cut(event) {
- this.copy(event);
- this.delete();
- }
- paste(event) {
- event.preventDefault();
- let data = event.clipboardData.getData("application/pdfjs");
- if (!data) {
- return;
- }
- try {
- data = JSON.parse(data);
- } catch (ex) {
- (0, _util.warn)(`paste: "${ex.message}".`);
- return;
- }
- if (!Array.isArray(data)) {
- return;
- }
- this.unselectAll();
- const layer = this.#allLayers.get(this.#currentPageIndex);
- try {
- const newEditors = [];
- for (const editor of data) {
- const deserializedEditor = layer.deserialize(editor);
- if (!deserializedEditor) {
- return;
- }
- newEditors.push(deserializedEditor);
- }
- const cmd = () => {
- for (const editor of newEditors) {
- this.#addEditorToLayer(editor);
- }
- this.#selectEditors(newEditors);
- };
- const undo = () => {
- for (const editor of newEditors) {
- editor.remove();
- }
- };
- this.addCommands({
- cmd,
- undo,
- mustExec: true
- });
- } catch (ex) {
- (0, _util.warn)(`paste: "${ex.message}".`);
- }
- }
- keydown(event) {
- if (!this.getActive()?.shouldGetKeyboardEvents()) {
- AnnotationEditorUIManager._keyboardManager.exec(this, event);
- }
- }
- onEditingAction(details) {
- if (["undo", "redo", "delete", "selectAll"].includes(details.name)) {
- this[details.name]();
- }
- }
- #dispatchUpdateStates(details) {
- const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value);
- if (hasChanged) {
- this.#eventBus.dispatch("annotationeditorstateschanged", {
- source: this,
- details: Object.assign(this.#previousStates, details)
- });
- }
- }
- #dispatchUpdateUI(details) {
- this.#eventBus.dispatch("annotationeditorparamschanged", {
- source: this,
- details
- });
- }
- setEditingState(isEditing) {
- if (isEditing) {
- this.#addKeyboardManager();
- this.#addCopyPasteListeners();
- this.#dispatchUpdateStates({
- isEditing: this.#mode !== _util.AnnotationEditorType.NONE,
- isEmpty: this.#isEmpty(),
- hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
- hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
- hasSelectedEditor: false
- });
- } else {
- this.#removeKeyboardManager();
- this.#removeCopyPasteListeners();
- this.#dispatchUpdateStates({
- isEditing: false
- });
- }
- }
- registerEditorTypes(types) {
- if (this.#editorTypes) {
- return;
- }
- this.#editorTypes = types;
- for (const editorType of this.#editorTypes) {
- this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
- }
- }
- getId() {
- return this.#idManager.getId();
- }
- get currentLayer() {
- return this.#allLayers.get(this.#currentPageIndex);
- }
- get currentPageIndex() {
- return this.#currentPageIndex;
- }
- addLayer(layer) {
- this.#allLayers.set(layer.pageIndex, layer);
- if (this.#isEnabled) {
- layer.enable();
- } else {
- layer.disable();
- }
- }
- removeLayer(layer) {
- this.#allLayers.delete(layer.pageIndex);
- }
- updateMode(mode) {
- this.#mode = mode;
- if (mode === _util.AnnotationEditorType.NONE) {
- this.setEditingState(false);
- this.#disableAll();
- } else {
- this.setEditingState(true);
- this.#enableAll();
- for (const layer of this.#allLayers.values()) {
- layer.updateMode(mode);
- }
- }
- }
- updateToolbar(mode) {
- if (mode === this.#mode) {
- return;
- }
- this.#eventBus.dispatch("switchannotationeditormode", {
- source: this,
- mode
- });
- }
- updateParams(type, value) {
- if (!this.#editorTypes) {
- return;
- }
- for (const editor of this.#selectedEditors) {
- editor.updateParams(type, value);
- }
- for (const editorType of this.#editorTypes) {
- editorType.updateDefaultParams(type, value);
- }
- }
- #enableAll() {
- if (!this.#isEnabled) {
- this.#isEnabled = true;
- for (const layer of this.#allLayers.values()) {
- layer.enable();
- }
- }
- }
- #disableAll() {
- this.unselectAll();
- if (this.#isEnabled) {
- this.#isEnabled = false;
- for (const layer of this.#allLayers.values()) {
- layer.disable();
- }
- }
- }
- getEditors(pageIndex) {
- const editors = [];
- for (const editor of this.#allEditors.values()) {
- if (editor.pageIndex === pageIndex) {
- editors.push(editor);
- }
- }
- return editors;
- }
- getEditor(id) {
- return this.#allEditors.get(id);
- }
- addEditor(editor) {
- this.#allEditors.set(editor.id, editor);
- }
- removeEditor(editor) {
- this.#allEditors.delete(editor.id);
- this.unselect(editor);
- this.#annotationStorage?.remove(editor.id);
- }
- #addEditorToLayer(editor) {
- const layer = this.#allLayers.get(editor.pageIndex);
- if (layer) {
- layer.addOrRebuild(editor);
- } else {
- this.addEditor(editor);
- }
- }
- setActiveEditor(editor) {
- if (this.#activeEditor === editor) {
- return;
- }
- this.#activeEditor = editor;
- if (editor) {
- this.#dispatchUpdateUI(editor.propertiesToUpdate);
- }
- }
- toggleSelected(editor) {
- if (this.#selectedEditors.has(editor)) {
- this.#selectedEditors.delete(editor);
- editor.unselect();
- this.#dispatchUpdateStates({
- hasSelectedEditor: this.hasSelection
- });
- return;
- }
- this.#selectedEditors.add(editor);
- editor.select();
- this.#dispatchUpdateUI(editor.propertiesToUpdate);
- this.#dispatchUpdateStates({
- hasSelectedEditor: true
- });
- }
- setSelected(editor) {
- for (const ed of this.#selectedEditors) {
- if (ed !== editor) {
- ed.unselect();
- }
- }
- this.#selectedEditors.clear();
- this.#selectedEditors.add(editor);
- editor.select();
- this.#dispatchUpdateUI(editor.propertiesToUpdate);
- this.#dispatchUpdateStates({
- hasSelectedEditor: true
- });
- }
- isSelected(editor) {
- return this.#selectedEditors.has(editor);
- }
- unselect(editor) {
- editor.unselect();
- this.#selectedEditors.delete(editor);
- this.#dispatchUpdateStates({
- hasSelectedEditor: this.hasSelection
- });
- }
- get hasSelection() {
- return this.#selectedEditors.size !== 0;
- }
- undo() {
- this.#commandManager.undo();
- this.#dispatchUpdateStates({
- hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
- hasSomethingToRedo: true,
- isEmpty: this.#isEmpty()
- });
- }
- redo() {
- this.#commandManager.redo();
- this.#dispatchUpdateStates({
- hasSomethingToUndo: true,
- hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
- isEmpty: this.#isEmpty()
- });
- }
- addCommands(params) {
- this.#commandManager.add(params);
- this.#dispatchUpdateStates({
- hasSomethingToUndo: true,
- hasSomethingToRedo: false,
- isEmpty: this.#isEmpty()
- });
- }
- #isEmpty() {
- if (this.#allEditors.size === 0) {
- return true;
- }
- if (this.#allEditors.size === 1) {
- for (const editor of this.#allEditors.values()) {
- return editor.isEmpty();
- }
- }
- return false;
- }
- delete() {
- this.commitOrRemove();
- if (!this.hasSelection) {
- return;
- }
- const editors = [...this.#selectedEditors];
- const cmd = () => {
- for (const editor of editors) {
- editor.remove();
- }
- };
- const undo = () => {
- for (const editor of editors) {
- this.#addEditorToLayer(editor);
- }
- };
- this.addCommands({
- cmd,
- undo,
- mustExec: true
- });
- }
- commitOrRemove() {
- this.#activeEditor?.commitOrRemove();
- }
- #selectEditors(editors) {
- this.#selectedEditors.clear();
- for (const editor of editors) {
- if (editor.isEmpty()) {
- continue;
- }
- this.#selectedEditors.add(editor);
- editor.select();
- }
- this.#dispatchUpdateStates({
- hasSelectedEditor: true
- });
- }
- selectAll() {
- for (const editor of this.#selectedEditors) {
- editor.commit();
- }
- this.#selectEditors(this.#allEditors.values());
- }
- unselectAll() {
- if (this.#activeEditor) {
- this.#activeEditor.commitOrRemove();
- return;
- }
- if (this.#selectedEditors.size === 0) {
- return;
- }
- for (const editor of this.#selectedEditors) {
- editor.unselect();
- }
- this.#selectedEditors.clear();
- this.#dispatchUpdateStates({
- hasSelectedEditor: false
- });
- }
- isActive(editor) {
- return this.#activeEditor === editor;
- }
- getActive() {
- return this.#activeEditor;
- }
- getMode() {
- return this.#mode;
- }
- }
- exports.AnnotationEditorUIManager = AnnotationEditorUIManager;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = exports.AnnotationPrefix = void 0;
- exports.deprecated = deprecated;
- exports.getColorValues = getColorValues;
- exports.getCurrentTransform = getCurrentTransform;
- exports.getCurrentTransformInverse = getCurrentTransformInverse;
- exports.getFilenameFromUrl = getFilenameFromUrl;
- exports.getPdfFilenameFromUrl = getPdfFilenameFromUrl;
- exports.getRGB = getRGB;
- exports.getXfaPageViewport = getXfaPageViewport;
- exports.isDataScheme = isDataScheme;
- exports.isPdfFile = isPdfFile;
- exports.isValidFetchUrl = isValidFetchUrl;
- exports.loadScript = loadScript;
- exports.setLayerDimensions = setLayerDimensions;
- var _base_factory = __w_pdfjs_require__(7);
- var _util = __w_pdfjs_require__(1);
- const SVG_NS = "http://www.w3.org/2000/svg";
- const AnnotationPrefix = "pdfjs_internal_id_";
- exports.AnnotationPrefix = AnnotationPrefix;
- class PixelsPerInch {
- static CSS = 96.0;
- static PDF = 72.0;
- static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
- }
- exports.PixelsPerInch = PixelsPerInch;
- class DOMCanvasFactory extends _base_factory.BaseCanvasFactory {
- constructor({
- ownerDocument = globalThis.document
- } = {}) {
- super();
- this._document = ownerDocument;
- }
- _createCanvas(width, height) {
- const canvas = this._document.createElement("canvas");
- canvas.width = width;
- canvas.height = height;
- return canvas;
- }
- }
- exports.DOMCanvasFactory = DOMCanvasFactory;
- async function fetchData(url, asTypedArray = false) {
- if (isValidFetchUrl(url, document.baseURI)) {
- const response = await fetch(url);
- if (!response.ok) {
- throw new Error(response.statusText);
- }
- return asTypedArray ? new Uint8Array(await response.arrayBuffer()) : (0, _util.stringToBytes)(await response.text());
- }
- return new Promise((resolve, reject) => {
- const request = new XMLHttpRequest();
- request.open("GET", url, true);
- if (asTypedArray) {
- request.responseType = "arraybuffer";
- }
- request.onreadystatechange = () => {
- if (request.readyState !== XMLHttpRequest.DONE) {
- return;
- }
- if (request.status === 200 || request.status === 0) {
- let data;
- if (asTypedArray && request.response) {
- data = new Uint8Array(request.response);
- } else if (!asTypedArray && request.responseText) {
- data = (0, _util.stringToBytes)(request.responseText);
- }
- if (data) {
- resolve(data);
- return;
- }
- }
- reject(new Error(request.statusText));
- };
- request.send(null);
- });
- }
- class DOMCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
- _fetchData(url, compressionType) {
- return fetchData(url, this.isCompressed).then(data => {
- return {
- cMapData: data,
- compressionType
- };
- });
- }
- }
- exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
- class DOMStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
- _fetchData(url) {
- return fetchData(url, true);
- }
- }
- exports.DOMStandardFontDataFactory = DOMStandardFontDataFactory;
- class DOMSVGFactory extends _base_factory.BaseSVGFactory {
- _createSVG(type) {
- return document.createElementNS(SVG_NS, type);
- }
- }
- exports.DOMSVGFactory = DOMSVGFactory;
- class PageViewport {
- constructor({
- viewBox,
- scale,
- rotation,
- offsetX = 0,
- offsetY = 0,
- dontFlip = false
- }) {
- this.viewBox = viewBox;
- this.scale = scale;
- this.rotation = rotation;
- this.offsetX = offsetX;
- this.offsetY = offsetY;
- const centerX = (viewBox[2] + viewBox[0]) / 2;
- const centerY = (viewBox[3] + viewBox[1]) / 2;
- let rotateA, rotateB, rotateC, rotateD;
- rotation %= 360;
- if (rotation < 0) {
- rotation += 360;
- }
- switch (rotation) {
- case 180:
- rotateA = -1;
- rotateB = 0;
- rotateC = 0;
- rotateD = 1;
- break;
- case 90:
- rotateA = 0;
- rotateB = 1;
- rotateC = 1;
- rotateD = 0;
- break;
- case 270:
- rotateA = 0;
- rotateB = -1;
- rotateC = -1;
- rotateD = 0;
- break;
- case 0:
- rotateA = 1;
- rotateB = 0;
- rotateC = 0;
- rotateD = -1;
- break;
- default:
- throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
- }
- if (dontFlip) {
- rotateC = -rotateC;
- rotateD = -rotateD;
- }
- let offsetCanvasX, offsetCanvasY;
- let width, height;
- if (rotateA === 0) {
- offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
- offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
- width = (viewBox[3] - viewBox[1]) * scale;
- height = (viewBox[2] - viewBox[0]) * scale;
- } else {
- offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
- offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
- width = (viewBox[2] - viewBox[0]) * scale;
- height = (viewBox[3] - viewBox[1]) * scale;
- }
- this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
- this.width = width;
- this.height = height;
- }
- get rawDims() {
- const {
- viewBox
- } = this;
- return (0, _util.shadow)(this, "rawDims", {
- pageWidth: viewBox[2] - viewBox[0],
- pageHeight: viewBox[3] - viewBox[1],
- pageX: viewBox[0],
- pageY: viewBox[1]
- });
- }
- clone({
- scale = this.scale,
- rotation = this.rotation,
- offsetX = this.offsetX,
- offsetY = this.offsetY,
- dontFlip = false
- } = {}) {
- return new PageViewport({
- viewBox: this.viewBox.slice(),
- scale,
- rotation,
- offsetX,
- offsetY,
- dontFlip
- });
- }
- convertToViewportPoint(x, y) {
- return _util.Util.applyTransform([x, y], this.transform);
- }
- convertToViewportRectangle(rect) {
- const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
- const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
- return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
- }
- convertToPdfPoint(x, y) {
- return _util.Util.applyInverseTransform([x, y], this.transform);
- }
- }
- exports.PageViewport = PageViewport;
- class RenderingCancelledException extends _util.BaseException {
- constructor(msg, type, extraDelay = 0) {
- super(msg, "RenderingCancelledException");
- this.type = type;
- this.extraDelay = extraDelay;
- }
- }
- exports.RenderingCancelledException = RenderingCancelledException;
- function isDataScheme(url) {
- const ii = url.length;
- let i = 0;
- while (i < ii && url[i].trim() === "") {
- i++;
- }
- return url.substring(i, i + 5).toLowerCase() === "data:";
- }
- function isPdfFile(filename) {
- return typeof filename === "string" && /\.pdf$/i.test(filename);
- }
- function getFilenameFromUrl(url, onlyStripPath = false) {
- if (!onlyStripPath) {
- [url] = url.split(/[#?]/, 1);
- }
- return url.substring(url.lastIndexOf("/") + 1);
- }
- function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
- if (typeof url !== "string") {
- return defaultFilename;
- }
- if (isDataScheme(url)) {
- (0, _util.warn)('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
- return defaultFilename;
- }
- const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
- const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
- const splitURI = reURI.exec(url);
- let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
- if (suggestedFilename) {
- suggestedFilename = suggestedFilename[0];
- if (suggestedFilename.includes("%")) {
- try {
- suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
- } catch (ex) {}
- }
- }
- return suggestedFilename || defaultFilename;
- }
- class StatTimer {
- started = Object.create(null);
- times = [];
- time(name) {
- if (name in this.started) {
- (0, _util.warn)(`Timer is already running for ${name}`);
- }
- this.started[name] = Date.now();
- }
- timeEnd(name) {
- if (!(name in this.started)) {
- (0, _util.warn)(`Timer has not been started for ${name}`);
- }
- this.times.push({
- name,
- start: this.started[name],
- end: Date.now()
- });
- delete this.started[name];
- }
- toString() {
- const outBuf = [];
- let longest = 0;
- for (const {
- name
- } of this.times) {
- longest = Math.max(name.length, longest);
- }
- for (const {
- name,
- start,
- end
- } of this.times) {
- outBuf.push(`${name.padEnd(longest)} ${end - start}ms\n`);
- }
- return outBuf.join("");
- }
- }
- exports.StatTimer = StatTimer;
- function isValidFetchUrl(url, baseUrl) {
- try {
- const {
- protocol
- } = baseUrl ? new URL(url, baseUrl) : new URL(url);
- return protocol === "http:" || protocol === "https:";
- } catch (ex) {
- return false;
- }
- }
- function loadScript(src, removeScriptElement = false) {
- return new Promise((resolve, reject) => {
- const script = document.createElement("script");
- script.src = src;
- script.onload = function (evt) {
- if (removeScriptElement) {
- script.remove();
- }
- resolve(evt);
- };
- script.onerror = function () {
- reject(new Error(`Cannot load script at: ${script.src}`));
- };
- (document.head || document.documentElement).append(script);
- });
- }
- function deprecated(details) {
- console.log("Deprecated API usage: " + details);
- }
- let pdfDateStringRegex;
- class PDFDateString {
- static toDateObject(input) {
- if (!input || typeof input !== "string") {
- return null;
- }
- if (!pdfDateStringRegex) {
- pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
- }
- const matches = pdfDateStringRegex.exec(input);
- if (!matches) {
- return null;
- }
- const year = parseInt(matches[1], 10);
- let month = parseInt(matches[2], 10);
- month = month >= 1 && month <= 12 ? month - 1 : 0;
- let day = parseInt(matches[3], 10);
- day = day >= 1 && day <= 31 ? day : 1;
- let hour = parseInt(matches[4], 10);
- hour = hour >= 0 && hour <= 23 ? hour : 0;
- let minute = parseInt(matches[5], 10);
- minute = minute >= 0 && minute <= 59 ? minute : 0;
- let second = parseInt(matches[6], 10);
- second = second >= 0 && second <= 59 ? second : 0;
- const universalTimeRelation = matches[7] || "Z";
- let offsetHour = parseInt(matches[8], 10);
- offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
- let offsetMinute = parseInt(matches[9], 10) || 0;
- offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
- if (universalTimeRelation === "-") {
- hour += offsetHour;
- minute += offsetMinute;
- } else if (universalTimeRelation === "+") {
- hour -= offsetHour;
- minute -= offsetMinute;
- }
- return new Date(Date.UTC(year, month, day, hour, minute, second));
- }
- }
- exports.PDFDateString = PDFDateString;
- function getXfaPageViewport(xfaPage, {
- scale = 1,
- rotation = 0
- }) {
- const {
- width,
- height
- } = xfaPage.attributes.style;
- const viewBox = [0, 0, parseInt(width), parseInt(height)];
- return new PageViewport({
- viewBox,
- scale,
- rotation
- });
- }
- function getRGB(color) {
- if (color.startsWith("#")) {
- const colorRGB = parseInt(color.slice(1), 16);
- return [(colorRGB & 0xff0000) >> 16, (colorRGB & 0x00ff00) >> 8, colorRGB & 0x0000ff];
- }
- if (color.startsWith("rgb(")) {
- return color.slice(4, -1).split(",").map(x => parseInt(x));
- }
- if (color.startsWith("rgba(")) {
- return color.slice(5, -1).split(",").map(x => parseInt(x)).slice(0, 3);
- }
- (0, _util.warn)(`Not a valid color format: "${color}"`);
- return [0, 0, 0];
- }
- function getColorValues(colors) {
- const span = document.createElement("span");
- span.style.visibility = "hidden";
- document.body.append(span);
- for (const name of colors.keys()) {
- span.style.color = name;
- const computedColor = window.getComputedStyle(span).color;
- colors.set(name, getRGB(computedColor));
- }
- span.remove();
- }
- function getCurrentTransform(ctx) {
- const {
- a,
- b,
- c,
- d,
- e,
- f
- } = ctx.getTransform();
- return [a, b, c, d, e, f];
- }
- function getCurrentTransformInverse(ctx) {
- const {
- a,
- b,
- c,
- d,
- e,
- f
- } = ctx.getTransform().invertSelf();
- return [a, b, c, d, e, f];
- }
- function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) {
- if (viewport instanceof PageViewport) {
- const {
- pageWidth,
- pageHeight
- } = viewport.rawDims;
- const {
- style
- } = div;
- const widthStr = `calc(var(--scale-factor) * ${pageWidth}px)`;
- const heightStr = `calc(var(--scale-factor) * ${pageHeight}px)`;
- if (!mustFlip || viewport.rotation % 180 === 0) {
- style.width = widthStr;
- style.height = heightStr;
- } else {
- style.width = heightStr;
- style.height = widthStr;
- }
- }
- if (mustRotate) {
- div.setAttribute("data-main-rotation", viewport.rotation);
- }
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.BaseStandardFontDataFactory = exports.BaseSVGFactory = exports.BaseCanvasFactory = exports.BaseCMapReaderFactory = void 0;
- var _util = __w_pdfjs_require__(1);
- class BaseCanvasFactory {
- constructor() {
- if (this.constructor === BaseCanvasFactory) {
- (0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
- }
- }
- create(width, height) {
- if (width <= 0 || height <= 0) {
- throw new Error("Invalid canvas size");
- }
- const canvas = this._createCanvas(width, height);
- return {
- canvas,
- context: canvas.getContext("2d")
- };
- }
- reset(canvasAndContext, width, height) {
- if (!canvasAndContext.canvas) {
- throw new Error("Canvas is not specified");
- }
- if (width <= 0 || height <= 0) {
- throw new Error("Invalid canvas size");
- }
- canvasAndContext.canvas.width = width;
- canvasAndContext.canvas.height = height;
- }
- destroy(canvasAndContext) {
- if (!canvasAndContext.canvas) {
- throw new Error("Canvas is not specified");
- }
- canvasAndContext.canvas.width = 0;
- canvasAndContext.canvas.height = 0;
- canvasAndContext.canvas = null;
- canvasAndContext.context = null;
- }
- _createCanvas(width, height) {
- (0, _util.unreachable)("Abstract method `_createCanvas` called.");
- }
- }
- exports.BaseCanvasFactory = BaseCanvasFactory;
- class BaseCMapReaderFactory {
- constructor({
- baseUrl = null,
- isCompressed = false
- }) {
- if (this.constructor === BaseCMapReaderFactory) {
- (0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
- }
- this.baseUrl = baseUrl;
- this.isCompressed = isCompressed;
- }
- async fetch({
- name
- }) {
- if (!this.baseUrl) {
- throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
- }
- if (!name) {
- throw new Error("CMap name must be specified.");
- }
- const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
- const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
- return this._fetchData(url, compressionType).catch(reason => {
- throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
- });
- }
- _fetchData(url, compressionType) {
- (0, _util.unreachable)("Abstract method `_fetchData` called.");
- }
- }
- exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
- class BaseStandardFontDataFactory {
- constructor({
- baseUrl = null
- }) {
- if (this.constructor === BaseStandardFontDataFactory) {
- (0, _util.unreachable)("Cannot initialize BaseStandardFontDataFactory.");
- }
- this.baseUrl = baseUrl;
- }
- async fetch({
- filename
- }) {
- if (!this.baseUrl) {
- throw new Error('The standard font "baseUrl" parameter must be specified, ensure that ' + 'the "standardFontDataUrl" API parameter is provided.');
- }
- if (!filename) {
- throw new Error("Font filename must be specified.");
- }
- const url = `${this.baseUrl}${filename}`;
- return this._fetchData(url).catch(reason => {
- throw new Error(`Unable to load font data at: ${url}`);
- });
- }
- _fetchData(url) {
- (0, _util.unreachable)("Abstract method `_fetchData` called.");
- }
- }
- exports.BaseStandardFontDataFactory = BaseStandardFontDataFactory;
- class BaseSVGFactory {
- constructor() {
- if (this.constructor === BaseSVGFactory) {
- (0, _util.unreachable)("Cannot initialize BaseSVGFactory.");
- }
- }
- create(width, height, skipDimensions = false) {
- if (width <= 0 || height <= 0) {
- throw new Error("Invalid SVG dimensions");
- }
- const svg = this._createSVG("svg:svg");
- svg.setAttribute("version", "1.1");
- if (!skipDimensions) {
- svg.setAttribute("width", `${width}px`);
- svg.setAttribute("height", `${height}px`);
- }
- svg.setAttribute("preserveAspectRatio", "none");
- svg.setAttribute("viewBox", `0 0 ${width} ${height}`);
- return svg;
- }
- createElement(type) {
- if (typeof type !== "string") {
- throw new Error("Invalid SVG element type");
- }
- return this._createSVG(type);
- }
- _createSVG(type) {
- (0, _util.unreachable)("Abstract method `_createSVG` called.");
- }
- }
- exports.BaseSVGFactory = BaseSVGFactory;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.MurmurHash3_64 = void 0;
- var _util = __w_pdfjs_require__(1);
- const SEED = 0xc3d2e1f0;
- const MASK_HIGH = 0xffff0000;
- const MASK_LOW = 0xffff;
- class MurmurHash3_64 {
- constructor(seed) {
- this.h1 = seed ? seed & 0xffffffff : SEED;
- this.h2 = seed ? seed & 0xffffffff : SEED;
- }
- update(input) {
- let data, length;
- if (typeof input === "string") {
- data = new Uint8Array(input.length * 2);
- length = 0;
- for (let i = 0, ii = input.length; i < ii; i++) {
- const code = input.charCodeAt(i);
- if (code <= 0xff) {
- data[length++] = code;
- } else {
- data[length++] = code >>> 8;
- data[length++] = code & 0xff;
- }
- }
- } else if ((0, _util.isArrayBuffer)(input)) {
- data = input.slice();
- length = data.byteLength;
- } else {
- throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
- }
- const blockCounts = length >> 2;
- const tailLength = length - blockCounts * 4;
- const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
- let k1 = 0,
- k2 = 0;
- let h1 = this.h1,
- h2 = this.h2;
- const C1 = 0xcc9e2d51,
- C2 = 0x1b873593;
- const C1_LOW = C1 & MASK_LOW,
- C2_LOW = C2 & MASK_LOW;
- for (let i = 0; i < blockCounts; i++) {
- if (i & 1) {
- k1 = dataUint32[i];
- k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
- k1 = k1 << 15 | k1 >>> 17;
- k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
- h1 ^= k1;
- h1 = h1 << 13 | h1 >>> 19;
- h1 = h1 * 5 + 0xe6546b64;
- } else {
- k2 = dataUint32[i];
- k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
- k2 = k2 << 15 | k2 >>> 17;
- k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
- h2 ^= k2;
- h2 = h2 << 13 | h2 >>> 19;
- h2 = h2 * 5 + 0xe6546b64;
- }
- }
- k1 = 0;
- switch (tailLength) {
- case 3:
- k1 ^= data[blockCounts * 4 + 2] << 16;
- case 2:
- k1 ^= data[blockCounts * 4 + 1] << 8;
- case 1:
- k1 ^= data[blockCounts * 4];
- k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
- k1 = k1 << 15 | k1 >>> 17;
- k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
- if (blockCounts & 1) {
- h1 ^= k1;
- } else {
- h2 ^= k1;
- }
- }
- this.h1 = h1;
- this.h2 = h2;
- }
- hexdigest() {
- let h1 = this.h1,
- h2 = this.h2;
- h1 ^= h2 >>> 1;
- h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
- h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
- h1 ^= h2 >>> 1;
- h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
- h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
- h1 ^= h2 >>> 1;
- return (h1 >>> 0).toString(16).padStart(8, "0") + (h2 >>> 0).toString(16).padStart(8, "0");
- }
- }
- exports.MurmurHash3_64 = MurmurHash3_64;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.FontLoader = exports.FontFaceObject = void 0;
- var _util = __w_pdfjs_require__(1);
- var _is_node = __w_pdfjs_require__(10);
- class FontLoader {
- constructor({
- onUnsupportedFeature,
- ownerDocument = globalThis.document,
- styleElement = null
- }) {
- this._onUnsupportedFeature = onUnsupportedFeature;
- this._document = ownerDocument;
- this.nativeFontFaces = [];
- this.styleElement = null;
- this.loadingRequests = [];
- this.loadTestFontId = 0;
- }
- addNativeFontFace(nativeFontFace) {
- this.nativeFontFaces.push(nativeFontFace);
- this._document.fonts.add(nativeFontFace);
- }
- insertRule(rule) {
- if (!this.styleElement) {
- this.styleElement = this._document.createElement("style");
- this._document.documentElement.getElementsByTagName("head")[0].append(this.styleElement);
- }
- const styleSheet = this.styleElement.sheet;
- styleSheet.insertRule(rule, styleSheet.cssRules.length);
- }
- clear() {
- for (const nativeFontFace of this.nativeFontFaces) {
- this._document.fonts.delete(nativeFontFace);
- }
- this.nativeFontFaces.length = 0;
- if (this.styleElement) {
- this.styleElement.remove();
- this.styleElement = null;
- }
- }
- async bind(font) {
- if (font.attached || font.missingFile) {
- return;
- }
- font.attached = true;
- if (this.isFontLoadingAPISupported) {
- const nativeFontFace = font.createNativeFontFace();
- if (nativeFontFace) {
- this.addNativeFontFace(nativeFontFace);
- try {
- await nativeFontFace.loaded;
- } catch (ex) {
- this._onUnsupportedFeature({
- featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
- });
- (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
- font.disableFontFace = true;
- throw ex;
- }
- }
- return;
- }
- const rule = font.createFontFaceRule();
- if (rule) {
- this.insertRule(rule);
- if (this.isSyncFontLoadingSupported) {
- return;
- }
- await new Promise(resolve => {
- const request = this._queueLoadingCallback(resolve);
- this._prepareFontLoadEvent(font, request);
- });
- }
- }
- get isFontLoadingAPISupported() {
- const hasFonts = !!this._document?.fonts;
- return (0, _util.shadow)(this, "isFontLoadingAPISupported", hasFonts);
- }
- get isSyncFontLoadingSupported() {
- let supported = false;
- if (_is_node.isNodeJS) {
- supported = true;
- } else if (typeof navigator !== "undefined" && /Mozilla\/5.0.*?rv:\d+.*? Gecko/.test(navigator.userAgent)) {
- supported = true;
- }
- return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
- }
- _queueLoadingCallback(callback) {
- function completeRequest() {
- (0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
- request.done = true;
- while (loadingRequests.length > 0 && loadingRequests[0].done) {
- const otherRequest = loadingRequests.shift();
- setTimeout(otherRequest.callback, 0);
- }
- }
- const {
- loadingRequests
- } = this;
- const request = {
- done: false,
- complete: completeRequest,
- callback
- };
- loadingRequests.push(request);
- return request;
- }
- get _loadTestFont() {
- const testFont = atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
- return (0, _util.shadow)(this, "_loadTestFont", testFont);
- }
- _prepareFontLoadEvent(font, request) {
- function int32(data, offset) {
- return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
- }
- function spliceString(s, offset, remove, insert) {
- const chunk1 = s.substring(0, offset);
- const chunk2 = s.substring(offset + remove);
- return chunk1 + insert + chunk2;
- }
- let i, ii;
- const canvas = this._document.createElement("canvas");
- canvas.width = 1;
- canvas.height = 1;
- const ctx = canvas.getContext("2d");
- let called = 0;
- function isFontReady(name, callback) {
- if (++called > 30) {
- (0, _util.warn)("Load test font never loaded.");
- callback();
- return;
- }
- ctx.font = "30px " + name;
- ctx.fillText(".", 0, 20);
- const imageData = ctx.getImageData(0, 0, 1, 1);
- if (imageData.data[3] > 0) {
- callback();
- return;
- }
- setTimeout(isFontReady.bind(null, name, callback));
- }
- const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
- let data = this._loadTestFont;
- const COMMENT_OFFSET = 976;
- data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
- const CFF_CHECKSUM_OFFSET = 16;
- const XXXX_VALUE = 0x58585858;
- let checksum = int32(data, CFF_CHECKSUM_OFFSET);
- for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
- checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
- }
- if (i < loadTestFontId.length) {
- checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
- }
- data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
- const url = `url(data:font/opentype;base64,${btoa(data)});`;
- const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
- this.insertRule(rule);
- const div = this._document.createElement("div");
- div.style.visibility = "hidden";
- div.style.width = div.style.height = "10px";
- div.style.position = "absolute";
- div.style.top = div.style.left = "0px";
- for (const name of [font.loadedName, loadTestFontId]) {
- const span = this._document.createElement("span");
- span.textContent = "Hi";
- span.style.fontFamily = name;
- div.append(span);
- }
- this._document.body.append(div);
- isFontReady(loadTestFontId, () => {
- div.remove();
- request.complete();
- });
- }
- }
- exports.FontLoader = FontLoader;
- class FontFaceObject {
- constructor(translatedData, {
- isEvalSupported = true,
- disableFontFace = false,
- ignoreErrors = false,
- onUnsupportedFeature,
- fontRegistry = null
- }) {
- this.compiledGlyphs = Object.create(null);
- for (const i in translatedData) {
- this[i] = translatedData[i];
- }
- this.isEvalSupported = isEvalSupported !== false;
- this.disableFontFace = disableFontFace === true;
- this.ignoreErrors = ignoreErrors === true;
- this._onUnsupportedFeature = onUnsupportedFeature;
- this.fontRegistry = fontRegistry;
- }
- createNativeFontFace() {
- if (!this.data || this.disableFontFace) {
- return null;
- }
- let nativeFontFace;
- if (!this.cssFontInfo) {
- nativeFontFace = new FontFace(this.loadedName, this.data, {});
- } else {
- const css = {
- weight: this.cssFontInfo.fontWeight
- };
- if (this.cssFontInfo.italicAngle) {
- css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
- }
- nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
- }
- this.fontRegistry?.registerFont(this);
- return nativeFontFace;
- }
- createFontFaceRule() {
- if (!this.data || this.disableFontFace) {
- return null;
- }
- const data = (0, _util.bytesToString)(this.data);
- const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
- let rule;
- if (!this.cssFontInfo) {
- rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
- } else {
- let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
- if (this.cssFontInfo.italicAngle) {
- css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
- }
- rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
- }
- this.fontRegistry?.registerFont(this, url);
- return rule;
- }
- getPathGenerator(objs, character) {
- if (this.compiledGlyphs[character] !== undefined) {
- return this.compiledGlyphs[character];
- }
- let cmds;
- try {
- cmds = objs.get(this.loadedName + "_path_" + character);
- } catch (ex) {
- if (!this.ignoreErrors) {
- throw ex;
- }
- this._onUnsupportedFeature({
- featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
- });
- (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
- return this.compiledGlyphs[character] = function (c, size) {};
- }
- if (this.isEvalSupported && _util.FeatureTest.isEvalSupported) {
- const jsBuf = [];
- for (const current of cmds) {
- const args = current.args !== undefined ? current.args.join(",") : "";
- jsBuf.push("c.", current.cmd, "(", args, ");\n");
- }
- return this.compiledGlyphs[character] = new Function("c", "size", jsBuf.join(""));
- }
- return this.compiledGlyphs[character] = function (c, size) {
- for (const current of cmds) {
- if (current.cmd === "scale") {
- current.args = [size, -size];
- }
- c[current.cmd].apply(c, current.args);
- }
- };
- }
- }
- exports.FontFaceObject = FontFaceObject;
- }),
- ((__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.isNodeJS = void 0;
- const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
- exports.isNodeJS = isNodeJS;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.CanvasGraphics = void 0;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- var _pattern_helper = __w_pdfjs_require__(12);
- var _image_utils = __w_pdfjs_require__(13);
- var _is_node = __w_pdfjs_require__(10);
- const MIN_FONT_SIZE = 16;
- const MAX_FONT_SIZE = 100;
- const MAX_GROUP_SIZE = 4096;
- const EXECUTION_TIME = 15;
- const EXECUTION_STEPS = 10;
- const MAX_SIZE_TO_COMPILE = _is_node.isNodeJS && typeof Path2D === "undefined" ? -1 : 1000;
- const FULL_CHUNK_HEIGHT = 16;
- function mirrorContextOperations(ctx, destCtx) {
- if (ctx._removeMirroring) {
- throw new Error("Context is already forwarding operations.");
- }
- ctx.__originalSave = ctx.save;
- ctx.__originalRestore = ctx.restore;
- ctx.__originalRotate = ctx.rotate;
- ctx.__originalScale = ctx.scale;
- ctx.__originalTranslate = ctx.translate;
- ctx.__originalTransform = ctx.transform;
- ctx.__originalSetTransform = ctx.setTransform;
- ctx.__originalResetTransform = ctx.resetTransform;
- ctx.__originalClip = ctx.clip;
- ctx.__originalMoveTo = ctx.moveTo;
- ctx.__originalLineTo = ctx.lineTo;
- ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
- ctx.__originalRect = ctx.rect;
- ctx.__originalClosePath = ctx.closePath;
- ctx.__originalBeginPath = ctx.beginPath;
- ctx._removeMirroring = () => {
- ctx.save = ctx.__originalSave;
- ctx.restore = ctx.__originalRestore;
- ctx.rotate = ctx.__originalRotate;
- ctx.scale = ctx.__originalScale;
- ctx.translate = ctx.__originalTranslate;
- ctx.transform = ctx.__originalTransform;
- ctx.setTransform = ctx.__originalSetTransform;
- ctx.resetTransform = ctx.__originalResetTransform;
- ctx.clip = ctx.__originalClip;
- ctx.moveTo = ctx.__originalMoveTo;
- ctx.lineTo = ctx.__originalLineTo;
- ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
- ctx.rect = ctx.__originalRect;
- ctx.closePath = ctx.__originalClosePath;
- ctx.beginPath = ctx.__originalBeginPath;
- delete ctx._removeMirroring;
- };
- ctx.save = function ctxSave() {
- destCtx.save();
- this.__originalSave();
- };
- ctx.restore = function ctxRestore() {
- destCtx.restore();
- this.__originalRestore();
- };
- ctx.translate = function ctxTranslate(x, y) {
- destCtx.translate(x, y);
- this.__originalTranslate(x, y);
- };
- ctx.scale = function ctxScale(x, y) {
- destCtx.scale(x, y);
- this.__originalScale(x, y);
- };
- ctx.transform = function ctxTransform(a, b, c, d, e, f) {
- destCtx.transform(a, b, c, d, e, f);
- this.__originalTransform(a, b, c, d, e, f);
- };
- ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
- destCtx.setTransform(a, b, c, d, e, f);
- this.__originalSetTransform(a, b, c, d, e, f);
- };
- ctx.resetTransform = function ctxResetTransform() {
- destCtx.resetTransform();
- this.__originalResetTransform();
- };
- ctx.rotate = function ctxRotate(angle) {
- destCtx.rotate(angle);
- this.__originalRotate(angle);
- };
- ctx.clip = function ctxRotate(rule) {
- destCtx.clip(rule);
- this.__originalClip(rule);
- };
- ctx.moveTo = function (x, y) {
- destCtx.moveTo(x, y);
- this.__originalMoveTo(x, y);
- };
- ctx.lineTo = function (x, y) {
- destCtx.lineTo(x, y);
- this.__originalLineTo(x, y);
- };
- ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
- destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
- this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
- };
- ctx.rect = function (x, y, width, height) {
- destCtx.rect(x, y, width, height);
- this.__originalRect(x, y, width, height);
- };
- ctx.closePath = function () {
- destCtx.closePath();
- this.__originalClosePath();
- };
- ctx.beginPath = function () {
- destCtx.beginPath();
- this.__originalBeginPath();
- };
- }
- class CachedCanvases {
- constructor(canvasFactory) {
- this.canvasFactory = canvasFactory;
- this.cache = Object.create(null);
- }
- getCanvas(id, width, height) {
- let canvasEntry;
- if (this.cache[id] !== undefined) {
- canvasEntry = this.cache[id];
- this.canvasFactory.reset(canvasEntry, width, height);
- } else {
- canvasEntry = this.canvasFactory.create(width, height);
- this.cache[id] = canvasEntry;
- }
- return canvasEntry;
- }
- delete(id) {
- delete this.cache[id];
- }
- clear() {
- for (const id in this.cache) {
- const canvasEntry = this.cache[id];
- this.canvasFactory.destroy(canvasEntry);
- delete this.cache[id];
- }
- }
- }
- function drawImageAtIntegerCoords(ctx, srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH) {
- const [a, b, c, d, tx, ty] = (0, _display_utils.getCurrentTransform)(ctx);
- if (b === 0 && c === 0) {
- const tlX = destX * a + tx;
- const rTlX = Math.round(tlX);
- const tlY = destY * d + ty;
- const rTlY = Math.round(tlY);
- const brX = (destX + destW) * a + tx;
- const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
- const brY = (destY + destH) * d + ty;
- const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
- ctx.setTransform(Math.sign(a), 0, 0, Math.sign(d), rTlX, rTlY);
- ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rWidth, rHeight);
- ctx.setTransform(a, b, c, d, tx, ty);
- return [rWidth, rHeight];
- }
- if (a === 0 && d === 0) {
- const tlX = destY * c + tx;
- const rTlX = Math.round(tlX);
- const tlY = destX * b + ty;
- const rTlY = Math.round(tlY);
- const brX = (destY + destH) * c + tx;
- const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
- const brY = (destX + destW) * b + ty;
- const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
- ctx.setTransform(0, Math.sign(b), Math.sign(c), 0, rTlX, rTlY);
- ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rHeight, rWidth);
- ctx.setTransform(a, b, c, d, tx, ty);
- return [rHeight, rWidth];
- }
- ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH);
- const scaleX = Math.hypot(a, b);
- const scaleY = Math.hypot(c, d);
- return [scaleX * destW, scaleY * destH];
- }
- function compileType3Glyph(imgData) {
- const {
- width,
- height
- } = imgData;
- if (width > MAX_SIZE_TO_COMPILE || height > MAX_SIZE_TO_COMPILE) {
- return null;
- }
- const POINT_TO_PROCESS_LIMIT = 1000;
- const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
- const width1 = width + 1;
- let points = new Uint8Array(width1 * (height + 1));
- let i, j, j0;
- const lineSize = width + 7 & ~7;
- let data = new Uint8Array(lineSize * height),
- pos = 0;
- for (const elem of imgData.data) {
- let mask = 128;
- while (mask > 0) {
- data[pos++] = elem & mask ? 0 : 255;
- mask >>= 1;
- }
- }
- let count = 0;
- pos = 0;
- if (data[pos] !== 0) {
- points[0] = 1;
- ++count;
- }
- for (j = 1; j < width; j++) {
- if (data[pos] !== data[pos + 1]) {
- points[j] = data[pos] ? 2 : 1;
- ++count;
- }
- pos++;
- }
- if (data[pos] !== 0) {
- points[j] = 2;
- ++count;
- }
- for (i = 1; i < height; i++) {
- pos = i * lineSize;
- j0 = i * width1;
- if (data[pos - lineSize] !== data[pos]) {
- points[j0] = data[pos] ? 1 : 8;
- ++count;
- }
- let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
- for (j = 1; j < width; j++) {
- sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
- if (POINT_TYPES[sum]) {
- points[j0 + j] = POINT_TYPES[sum];
- ++count;
- }
- pos++;
- }
- if (data[pos - lineSize] !== data[pos]) {
- points[j0 + j] = data[pos] ? 2 : 4;
- ++count;
- }
- if (count > POINT_TO_PROCESS_LIMIT) {
- return null;
- }
- }
- pos = lineSize * (height - 1);
- j0 = i * width1;
- if (data[pos] !== 0) {
- points[j0] = 8;
- ++count;
- }
- for (j = 1; j < width; j++) {
- if (data[pos] !== data[pos + 1]) {
- points[j0 + j] = data[pos] ? 4 : 8;
- ++count;
- }
- pos++;
- }
- if (data[pos] !== 0) {
- points[j0 + j] = 4;
- ++count;
- }
- if (count > POINT_TO_PROCESS_LIMIT) {
- return null;
- }
- const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
- const path = new Path2D();
- for (i = 0; count && i <= height; i++) {
- let p = i * width1;
- const end = p + width;
- while (p < end && !points[p]) {
- p++;
- }
- if (p === end) {
- continue;
- }
- path.moveTo(p % width1, i);
- const p0 = p;
- let type = points[p];
- do {
- const step = steps[type];
- do {
- p += step;
- } while (!points[p]);
- const pp = points[p];
- if (pp !== 5 && pp !== 10) {
- type = pp;
- points[p] = 0;
- } else {
- type = pp & 0x33 * type >> 4;
- points[p] &= type >> 2 | type << 2;
- }
- path.lineTo(p % width1, p / width1 | 0);
- if (!points[p]) {
- --count;
- }
- } while (p0 !== p);
- --i;
- }
- data = null;
- points = null;
- const drawOutline = function (c) {
- c.save();
- c.scale(1 / width, -1 / height);
- c.translate(0, -height);
- c.fill(path);
- c.beginPath();
- c.restore();
- };
- return drawOutline;
- }
- class CanvasExtraState {
- constructor(width, height) {
- this.alphaIsShape = false;
- this.fontSize = 0;
- this.fontSizeScale = 1;
- this.textMatrix = _util.IDENTITY_MATRIX;
- this.textMatrixScale = 1;
- this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
- this.leading = 0;
- this.x = 0;
- this.y = 0;
- this.lineX = 0;
- this.lineY = 0;
- this.charSpacing = 0;
- this.wordSpacing = 0;
- this.textHScale = 1;
- this.textRenderingMode = _util.TextRenderingMode.FILL;
- this.textRise = 0;
- this.fillColor = "#000000";
- this.strokeColor = "#000000";
- this.patternFill = false;
- this.fillAlpha = 1;
- this.strokeAlpha = 1;
- this.lineWidth = 1;
- this.activeSMask = null;
- this.transferMaps = null;
- this.startNewPathAndClipBox([0, 0, width, height]);
- }
- clone() {
- const clone = Object.create(this);
- clone.clipBox = this.clipBox.slice();
- return clone;
- }
- setCurrentPoint(x, y) {
- this.x = x;
- this.y = y;
- }
- updatePathMinMax(transform, x, y) {
- [x, y] = _util.Util.applyTransform([x, y], transform);
- this.minX = Math.min(this.minX, x);
- this.minY = Math.min(this.minY, y);
- this.maxX = Math.max(this.maxX, x);
- this.maxY = Math.max(this.maxY, y);
- }
- updateRectMinMax(transform, rect) {
- const p1 = _util.Util.applyTransform(rect, transform);
- const p2 = _util.Util.applyTransform(rect.slice(2), transform);
- this.minX = Math.min(this.minX, p1[0], p2[0]);
- this.minY = Math.min(this.minY, p1[1], p2[1]);
- this.maxX = Math.max(this.maxX, p1[0], p2[0]);
- this.maxY = Math.max(this.maxY, p1[1], p2[1]);
- }
- updateScalingPathMinMax(transform, minMax) {
- _util.Util.scaleMinMax(transform, minMax);
- this.minX = Math.min(this.minX, minMax[0]);
- this.maxX = Math.max(this.maxX, minMax[1]);
- this.minY = Math.min(this.minY, minMax[2]);
- this.maxY = Math.max(this.maxY, minMax[3]);
- }
- updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
- const box = _util.Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3);
- if (minMax) {
- minMax[0] = Math.min(minMax[0], box[0], box[2]);
- minMax[1] = Math.max(minMax[1], box[0], box[2]);
- minMax[2] = Math.min(minMax[2], box[1], box[3]);
- minMax[3] = Math.max(minMax[3], box[1], box[3]);
- return;
- }
- this.updateRectMinMax(transform, box);
- }
- getPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
- const box = [this.minX, this.minY, this.maxX, this.maxY];
- if (pathType === _pattern_helper.PathType.STROKE) {
- if (!transform) {
- (0, _util.unreachable)("Stroke bounding box must include transform.");
- }
- const scale = _util.Util.singularValueDecompose2dScale(transform);
- const xStrokePad = scale[0] * this.lineWidth / 2;
- const yStrokePad = scale[1] * this.lineWidth / 2;
- box[0] -= xStrokePad;
- box[1] -= yStrokePad;
- box[2] += xStrokePad;
- box[3] += yStrokePad;
- }
- return box;
- }
- updateClipFromPath() {
- const intersect = _util.Util.intersect(this.clipBox, this.getPathBoundingBox());
- this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
- }
- isEmptyClip() {
- return this.minX === Infinity;
- }
- startNewPathAndClipBox(box) {
- this.clipBox = box;
- this.minX = Infinity;
- this.minY = Infinity;
- this.maxX = 0;
- this.maxY = 0;
- }
- getClippedPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
- return _util.Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
- }
- }
- function putBinaryImageData(ctx, imgData, transferMaps = null) {
- if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
- ctx.putImageData(imgData, 0, 0);
- return;
- }
- const height = imgData.height,
- width = imgData.width;
- const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- let srcPos = 0,
- destPos;
- const src = imgData.data;
- const dest = chunkImgData.data;
- let i, j, thisChunkHeight, elemsInThisChunk;
- let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
- if (transferMaps) {
- switch (transferMaps.length) {
- case 1:
- transferMapRed = transferMaps[0];
- transferMapGreen = transferMaps[0];
- transferMapBlue = transferMaps[0];
- transferMapGray = transferMaps[0];
- break;
- case 4:
- transferMapRed = transferMaps[0];
- transferMapGreen = transferMaps[1];
- transferMapBlue = transferMaps[2];
- transferMapGray = transferMaps[3];
- break;
- }
- }
- if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
- const srcLength = src.byteLength;
- const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
- const dest32DataLength = dest32.length;
- const fullSrcDiff = width + 7 >> 3;
- let white = 0xffffffff;
- let black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
- if (transferMapGray) {
- if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
- [white, black] = [black, white];
- }
- }
- for (i = 0; i < totalChunks; i++) {
- thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- destPos = 0;
- for (j = 0; j < thisChunkHeight; j++) {
- const srcDiff = srcLength - srcPos;
- let k = 0;
- const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
- const kEndUnrolled = kEnd & ~7;
- let mask = 0;
- let srcByte = 0;
- for (; k < kEndUnrolled; k += 8) {
- srcByte = src[srcPos++];
- dest32[destPos++] = srcByte & 128 ? white : black;
- dest32[destPos++] = srcByte & 64 ? white : black;
- dest32[destPos++] = srcByte & 32 ? white : black;
- dest32[destPos++] = srcByte & 16 ? white : black;
- dest32[destPos++] = srcByte & 8 ? white : black;
- dest32[destPos++] = srcByte & 4 ? white : black;
- dest32[destPos++] = srcByte & 2 ? white : black;
- dest32[destPos++] = srcByte & 1 ? white : black;
- }
- for (; k < kEnd; k++) {
- if (mask === 0) {
- srcByte = src[srcPos++];
- mask = 128;
- }
- dest32[destPos++] = srcByte & mask ? white : black;
- mask >>= 1;
- }
- }
- while (destPos < dest32DataLength) {
- dest32[destPos++] = 0;
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
- const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
- j = 0;
- elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
- for (i = 0; i < fullChunks; i++) {
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- srcPos += elemsInThisChunk;
- if (hasTransferMaps) {
- for (let k = 0; k < elemsInThisChunk; k += 4) {
- if (transferMapRed) {
- dest[k + 0] = transferMapRed[dest[k + 0]];
- }
- if (transferMapGreen) {
- dest[k + 1] = transferMapGreen[dest[k + 1]];
- }
- if (transferMapBlue) {
- dest[k + 2] = transferMapBlue[dest[k + 2]];
- }
- }
- }
- ctx.putImageData(chunkImgData, 0, j);
- j += FULL_CHUNK_HEIGHT;
- }
- if (i < totalChunks) {
- elemsInThisChunk = width * partialChunkHeight * 4;
- dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
- if (hasTransferMaps) {
- for (let k = 0; k < elemsInThisChunk; k += 4) {
- if (transferMapRed) {
- dest[k + 0] = transferMapRed[dest[k + 0]];
- }
- if (transferMapGreen) {
- dest[k + 1] = transferMapGreen[dest[k + 1]];
- }
- if (transferMapBlue) {
- dest[k + 2] = transferMapBlue[dest[k + 2]];
- }
- }
- }
- ctx.putImageData(chunkImgData, 0, j);
- }
- } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
- const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
- thisChunkHeight = FULL_CHUNK_HEIGHT;
- elemsInThisChunk = width * thisChunkHeight;
- for (i = 0; i < totalChunks; i++) {
- if (i >= fullChunks) {
- thisChunkHeight = partialChunkHeight;
- elemsInThisChunk = width * thisChunkHeight;
- }
- destPos = 0;
- for (j = elemsInThisChunk; j--;) {
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = src[srcPos++];
- dest[destPos++] = 255;
- }
- if (hasTransferMaps) {
- for (let k = 0; k < destPos; k += 4) {
- if (transferMapRed) {
- dest[k + 0] = transferMapRed[dest[k + 0]];
- }
- if (transferMapGreen) {
- dest[k + 1] = transferMapGreen[dest[k + 1]];
- }
- if (transferMapBlue) {
- dest[k + 2] = transferMapBlue[dest[k + 2]];
- }
- }
- }
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- } else {
- throw new Error(`bad image kind: ${imgData.kind}`);
- }
- }
- function putBinaryImageMask(ctx, imgData) {
- if (imgData.bitmap) {
- ctx.drawImage(imgData.bitmap, 0, 0);
- return;
- }
- const height = imgData.height,
- width = imgData.width;
- const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
- const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
- const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
- const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
- let srcPos = 0;
- const src = imgData.data;
- const dest = chunkImgData.data;
- for (let i = 0; i < totalChunks; i++) {
- const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
- ({
- srcPos
- } = (0, _image_utils.applyMaskImageData)({
- src,
- srcPos,
- dest,
- width,
- height: thisChunkHeight
- }));
- ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
- }
- }
- function copyCtxState(sourceCtx, destCtx) {
- const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
- for (const property of properties) {
- if (sourceCtx[property] !== undefined) {
- destCtx[property] = sourceCtx[property];
- }
- }
- if (sourceCtx.setLineDash !== undefined) {
- destCtx.setLineDash(sourceCtx.getLineDash());
- destCtx.lineDashOffset = sourceCtx.lineDashOffset;
- }
- }
- function resetCtxToDefault(ctx, foregroundColor) {
- ctx.strokeStyle = ctx.fillStyle = foregroundColor || "#000000";
- ctx.fillRule = "nonzero";
- ctx.globalAlpha = 1;
- ctx.lineWidth = 1;
- ctx.lineCap = "butt";
- ctx.lineJoin = "miter";
- ctx.miterLimit = 10;
- ctx.globalCompositeOperation = "source-over";
- ctx.font = "10px sans-serif";
- if (ctx.setLineDash !== undefined) {
- ctx.setLineDash([]);
- ctx.lineDashOffset = 0;
- }
- }
- function composeSMaskBackdrop(bytes, r0, g0, b0) {
- const length = bytes.length;
- for (let i = 3; i < length; i += 4) {
- const alpha = bytes[i];
- if (alpha === 0) {
- bytes[i - 3] = r0;
- bytes[i - 2] = g0;
- bytes[i - 1] = b0;
- } else if (alpha < 255) {
- const alpha_ = 255 - alpha;
- bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
- bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
- bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
- }
- }
- }
- function composeSMaskAlpha(maskData, layerData, transferMap) {
- const length = maskData.length;
- const scale = 1 / 255;
- for (let i = 3; i < length; i += 4) {
- const alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
- layerData[i] = layerData[i] * alpha * scale | 0;
- }
- }
- function composeSMaskLuminosity(maskData, layerData, transferMap) {
- const length = maskData.length;
- for (let i = 3; i < length; i += 4) {
- const y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
- layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
- }
- }
- function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
- const hasBackdrop = !!backdrop;
- const r0 = hasBackdrop ? backdrop[0] : 0;
- const g0 = hasBackdrop ? backdrop[1] : 0;
- const b0 = hasBackdrop ? backdrop[2] : 0;
- let composeFn;
- if (subtype === "Luminosity") {
- composeFn = composeSMaskLuminosity;
- } else {
- composeFn = composeSMaskAlpha;
- }
- const PIXELS_TO_PROCESS = 1048576;
- const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
- for (let row = 0; row < height; row += chunkSize) {
- const chunkHeight = Math.min(chunkSize, height - row);
- const maskData = maskCtx.getImageData(layerOffsetX - maskOffsetX, row + (layerOffsetY - maskOffsetY), width, chunkHeight);
- const layerData = layerCtx.getImageData(layerOffsetX, row + layerOffsetY, width, chunkHeight);
- if (hasBackdrop) {
- composeSMaskBackdrop(maskData.data, r0, g0, b0);
- }
- composeFn(maskData.data, layerData.data, transferMap);
- layerCtx.putImageData(layerData, layerOffsetX, row + layerOffsetY);
- }
- }
- function composeSMask(ctx, smask, layerCtx, layerBox) {
- const layerOffsetX = layerBox[0];
- const layerOffsetY = layerBox[1];
- const layerWidth = layerBox[2] - layerOffsetX;
- const layerHeight = layerBox[3] - layerOffsetY;
- if (layerWidth === 0 || layerHeight === 0) {
- return;
- }
- genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
- ctx.save();
- ctx.globalAlpha = 1;
- ctx.globalCompositeOperation = "source-over";
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- ctx.drawImage(layerCtx.canvas, 0, 0);
- ctx.restore();
- }
- function getImageSmoothingEnabled(transform, interpolate) {
- const scale = _util.Util.singularValueDecompose2dScale(transform);
- scale[0] = Math.fround(scale[0]);
- scale[1] = Math.fround(scale[1]);
- const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS);
- if (interpolate !== undefined) {
- return interpolate;
- } else if (scale[0] <= actualScale || scale[1] <= actualScale) {
- return true;
- }
- return false;
- }
- const LINE_CAP_STYLES = ["butt", "round", "square"];
- const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
- const NORMAL_CLIP = {};
- const EO_CLIP = {};
- class CanvasGraphics {
- constructor(canvasCtx, commonObjs, objs, canvasFactory, {
- optionalContentConfig,
- markedContentStack = null
- }, annotationCanvasMap, pageColors) {
- this.ctx = canvasCtx;
- this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
- this.stateStack = [];
- this.pendingClip = null;
- this.pendingEOFill = false;
- this.res = null;
- this.xobjs = null;
- this.commonObjs = commonObjs;
- this.objs = objs;
- this.canvasFactory = canvasFactory;
- this.groupStack = [];
- this.processingType3 = null;
- this.baseTransform = null;
- this.baseTransformStack = [];
- this.groupLevel = 0;
- this.smaskStack = [];
- this.smaskCounter = 0;
- this.tempSMask = null;
- this.suspendedCtx = null;
- this.contentVisible = true;
- this.markedContentStack = markedContentStack || [];
- this.optionalContentConfig = optionalContentConfig;
- this.cachedCanvases = new CachedCanvases(this.canvasFactory);
- this.cachedPatterns = new Map();
- this.annotationCanvasMap = annotationCanvasMap;
- this.viewportScale = 1;
- this.outputScaleX = 1;
- this.outputScaleY = 1;
- this.backgroundColor = pageColors?.background || null;
- this.foregroundColor = pageColors?.foreground || null;
- this._cachedScaleForStroking = null;
- this._cachedGetSinglePixelWidth = null;
- this._cachedBitmapsMap = new Map();
- }
- getObject(data, fallback = null) {
- if (typeof data === "string") {
- return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
- }
- return fallback;
- }
- beginDrawing({
- transform,
- viewport,
- transparency = false,
- background = null
- }) {
- const width = this.ctx.canvas.width;
- const height = this.ctx.canvas.height;
- const defaultBackgroundColor = background || "#ffffff";
- this.ctx.save();
- if (this.foregroundColor && this.backgroundColor) {
- this.ctx.fillStyle = this.foregroundColor;
- const fg = this.foregroundColor = this.ctx.fillStyle;
- this.ctx.fillStyle = this.backgroundColor;
- const bg = this.backgroundColor = this.ctx.fillStyle;
- let isValidDefaultBg = true;
- let defaultBg = defaultBackgroundColor;
- this.ctx.fillStyle = defaultBackgroundColor;
- defaultBg = this.ctx.fillStyle;
- isValidDefaultBg = typeof defaultBg === "string" && /^#[0-9A-Fa-f]{6}$/.test(defaultBg);
- if (fg === "#000000" && bg === "#ffffff" || fg === bg || !isValidDefaultBg) {
- this.foregroundColor = this.backgroundColor = null;
- } else {
- const [rB, gB, bB] = (0, _display_utils.getRGB)(defaultBg);
- const newComp = x => {
- x /= 255;
- return x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
- };
- const lumB = Math.round(0.2126 * newComp(rB) + 0.7152 * newComp(gB) + 0.0722 * newComp(bB));
- this.selectColor = (r, g, b) => {
- const lumC = 0.2126 * newComp(r) + 0.7152 * newComp(g) + 0.0722 * newComp(b);
- return Math.round(lumC) === lumB ? bg : fg;
- };
- }
- }
- this.ctx.fillStyle = this.backgroundColor || defaultBackgroundColor;
- this.ctx.fillRect(0, 0, width, height);
- this.ctx.restore();
- if (transparency) {
- const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height);
- this.compositeCtx = this.ctx;
- this.transparentCanvas = transparentCanvas.canvas;
- this.ctx = transparentCanvas.context;
- this.ctx.save();
- this.ctx.transform(...(0, _display_utils.getCurrentTransform)(this.compositeCtx));
- }
- this.ctx.save();
- resetCtxToDefault(this.ctx, this.foregroundColor);
- if (transform) {
- this.ctx.transform(...transform);
- this.outputScaleX = transform[0];
- this.outputScaleY = transform[0];
- }
- this.ctx.transform(...viewport.transform);
- this.viewportScale = viewport.scale;
- this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
- }
- executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
- const argsArray = operatorList.argsArray;
- const fnArray = operatorList.fnArray;
- let i = executionStartIdx || 0;
- const argsArrayLen = argsArray.length;
- if (argsArrayLen === i) {
- return i;
- }
- const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
- const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
- let steps = 0;
- const commonObjs = this.commonObjs;
- const objs = this.objs;
- let fnId;
- while (true) {
- if (stepper !== undefined && i === stepper.nextBreakPoint) {
- stepper.breakIt(i, continueCallback);
- return i;
- }
- fnId = fnArray[i];
- if (fnId !== _util.OPS.dependency) {
- this[fnId].apply(this, argsArray[i]);
- } else {
- for (const depObjId of argsArray[i]) {
- const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
- if (!objsPool.has(depObjId)) {
- objsPool.get(depObjId, continueCallback);
- return i;
- }
- }
- }
- i++;
- if (i === argsArrayLen) {
- return i;
- }
- if (chunkOperations && ++steps > EXECUTION_STEPS) {
- if (Date.now() > endTime) {
- continueCallback();
- return i;
- }
- steps = 0;
- }
- }
- }
- #restoreInitialState() {
- while (this.stateStack.length || this.inSMaskMode) {
- this.restore();
- }
- this.ctx.restore();
- if (this.transparentCanvas) {
- this.ctx = this.compositeCtx;
- this.ctx.save();
- this.ctx.setTransform(1, 0, 0, 1, 0, 0);
- this.ctx.drawImage(this.transparentCanvas, 0, 0);
- this.ctx.restore();
- this.transparentCanvas = null;
- }
- }
- endDrawing() {
- this.#restoreInitialState();
- this.cachedCanvases.clear();
- this.cachedPatterns.clear();
- for (const cache of this._cachedBitmapsMap.values()) {
- for (const canvas of cache.values()) {
- if (typeof HTMLCanvasElement !== "undefined" && canvas instanceof HTMLCanvasElement) {
- canvas.width = canvas.height = 0;
- }
- }
- cache.clear();
- }
- this._cachedBitmapsMap.clear();
- }
- _scaleImage(img, inverseTransform) {
- const width = img.width;
- const height = img.height;
- let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
- let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
- let paintWidth = width,
- paintHeight = height;
- let tmpCanvasId = "prescale1";
- let tmpCanvas, tmpCtx;
- while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
- let newWidth = paintWidth,
- newHeight = paintHeight;
- if (widthScale > 2 && paintWidth > 1) {
- newWidth = Math.ceil(paintWidth / 2);
- widthScale /= paintWidth / newWidth;
- }
- if (heightScale > 2 && paintHeight > 1) {
- newHeight = Math.ceil(paintHeight / 2);
- heightScale /= paintHeight / newHeight;
- }
- tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
- tmpCtx = tmpCanvas.context;
- tmpCtx.clearRect(0, 0, newWidth, newHeight);
- tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
- img = tmpCanvas.canvas;
- paintWidth = newWidth;
- paintHeight = newHeight;
- tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
- }
- return {
- img,
- paintWidth,
- paintHeight
- };
- }
- _createMaskCanvas(img) {
- const ctx = this.ctx;
- const {
- width,
- height
- } = img;
- const fillColor = this.current.fillColor;
- const isPatternFill = this.current.patternFill;
- const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
- let cache, cacheKey, scaled, maskCanvas;
- if ((img.bitmap || img.data) && img.count > 1) {
- const mainKey = img.bitmap || img.data.buffer;
- cacheKey = JSON.stringify(isPatternFill ? currentTransform : [currentTransform.slice(0, 4), fillColor]);
- cache = this._cachedBitmapsMap.get(mainKey);
- if (!cache) {
- cache = new Map();
- this._cachedBitmapsMap.set(mainKey, cache);
- }
- const cachedImage = cache.get(cacheKey);
- if (cachedImage && !isPatternFill) {
- const offsetX = Math.round(Math.min(currentTransform[0], currentTransform[2]) + currentTransform[4]);
- const offsetY = Math.round(Math.min(currentTransform[1], currentTransform[3]) + currentTransform[5]);
- return {
- canvas: cachedImage,
- offsetX,
- offsetY
- };
- }
- scaled = cachedImage;
- }
- if (!scaled) {
- maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
- putBinaryImageMask(maskCanvas.context, img);
- }
- let maskToCanvas = _util.Util.transform(currentTransform, [1 / width, 0, 0, -1 / height, 0, 0]);
- maskToCanvas = _util.Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
- const cord1 = _util.Util.applyTransform([0, 0], maskToCanvas);
- const cord2 = _util.Util.applyTransform([width, height], maskToCanvas);
- const rect = _util.Util.normalizeRect([cord1[0], cord1[1], cord2[0], cord2[1]]);
- const drawnWidth = Math.round(rect[2] - rect[0]) || 1;
- const drawnHeight = Math.round(rect[3] - rect[1]) || 1;
- const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight);
- const fillCtx = fillCanvas.context;
- const offsetX = Math.min(cord1[0], cord2[0]);
- const offsetY = Math.min(cord1[1], cord2[1]);
- fillCtx.translate(-offsetX, -offsetY);
- fillCtx.transform(...maskToCanvas);
- if (!scaled) {
- scaled = this._scaleImage(maskCanvas.canvas, (0, _display_utils.getCurrentTransformInverse)(fillCtx));
- scaled = scaled.img;
- if (cache && isPatternFill) {
- cache.set(cacheKey, scaled);
- }
- }
- fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(fillCtx), img.interpolate);
- drawImageAtIntegerCoords(fillCtx, scaled, 0, 0, scaled.width, scaled.height, 0, 0, width, height);
- fillCtx.globalCompositeOperation = "source-in";
- const inverse = _util.Util.transform((0, _display_utils.getCurrentTransformInverse)(fillCtx), [1, 0, 0, 1, -offsetX, -offsetY]);
- fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, _pattern_helper.PathType.FILL) : fillColor;
- fillCtx.fillRect(0, 0, width, height);
- if (cache && !isPatternFill) {
- this.cachedCanvases.delete("fillCanvas");
- cache.set(cacheKey, fillCanvas.canvas);
- }
- return {
- canvas: fillCanvas.canvas,
- offsetX: Math.round(offsetX),
- offsetY: Math.round(offsetY)
- };
- }
- setLineWidth(width) {
- if (width !== this.current.lineWidth) {
- this._cachedScaleForStroking = null;
- }
- this.current.lineWidth = width;
- this.ctx.lineWidth = width;
- }
- setLineCap(style) {
- this.ctx.lineCap = LINE_CAP_STYLES[style];
- }
- setLineJoin(style) {
- this.ctx.lineJoin = LINE_JOIN_STYLES[style];
- }
- setMiterLimit(limit) {
- this.ctx.miterLimit = limit;
- }
- setDash(dashArray, dashPhase) {
- const ctx = this.ctx;
- if (ctx.setLineDash !== undefined) {
- ctx.setLineDash(dashArray);
- ctx.lineDashOffset = dashPhase;
- }
- }
- setRenderingIntent(intent) {}
- setFlatness(flatness) {}
- setGState(states) {
- for (const [key, value] of states) {
- switch (key) {
- case "LW":
- this.setLineWidth(value);
- break;
- case "LC":
- this.setLineCap(value);
- break;
- case "LJ":
- this.setLineJoin(value);
- break;
- case "ML":
- this.setMiterLimit(value);
- break;
- case "D":
- this.setDash(value[0], value[1]);
- break;
- case "RI":
- this.setRenderingIntent(value);
- break;
- case "FL":
- this.setFlatness(value);
- break;
- case "Font":
- this.setFont(value[0], value[1]);
- break;
- case "CA":
- this.current.strokeAlpha = value;
- break;
- case "ca":
- this.current.fillAlpha = value;
- this.ctx.globalAlpha = value;
- break;
- case "BM":
- this.ctx.globalCompositeOperation = value;
- break;
- case "SMask":
- this.current.activeSMask = value ? this.tempSMask : null;
- this.tempSMask = null;
- this.checkSMaskState();
- break;
- case "TR":
- this.current.transferMaps = value;
- }
- }
- }
- get inSMaskMode() {
- return !!this.suspendedCtx;
- }
- checkSMaskState() {
- const inSMaskMode = this.inSMaskMode;
- if (this.current.activeSMask && !inSMaskMode) {
- this.beginSMaskMode();
- } else if (!this.current.activeSMask && inSMaskMode) {
- this.endSMaskMode();
- }
- }
- beginSMaskMode() {
- if (this.inSMaskMode) {
- throw new Error("beginSMaskMode called while already in smask mode");
- }
- const drawnWidth = this.ctx.canvas.width;
- const drawnHeight = this.ctx.canvas.height;
- const cacheId = "smaskGroupAt" + this.groupLevel;
- const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
- this.suspendedCtx = this.ctx;
- this.ctx = scratchCanvas.context;
- const ctx = this.ctx;
- ctx.setTransform(...(0, _display_utils.getCurrentTransform)(this.suspendedCtx));
- copyCtxState(this.suspendedCtx, ctx);
- mirrorContextOperations(ctx, this.suspendedCtx);
- this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
- }
- endSMaskMode() {
- if (!this.inSMaskMode) {
- throw new Error("endSMaskMode called while not in smask mode");
- }
- this.ctx._removeMirroring();
- copyCtxState(this.ctx, this.suspendedCtx);
- this.ctx = this.suspendedCtx;
- this.suspendedCtx = null;
- }
- compose(dirtyBox) {
- if (!this.current.activeSMask) {
- return;
- }
- if (!dirtyBox) {
- dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
- } else {
- dirtyBox[0] = Math.floor(dirtyBox[0]);
- dirtyBox[1] = Math.floor(dirtyBox[1]);
- dirtyBox[2] = Math.ceil(dirtyBox[2]);
- dirtyBox[3] = Math.ceil(dirtyBox[3]);
- }
- const smask = this.current.activeSMask;
- const suspendedCtx = this.suspendedCtx;
- composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
- this.ctx.save();
- this.ctx.setTransform(1, 0, 0, 1, 0, 0);
- this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
- this.ctx.restore();
- }
- save() {
- if (this.inSMaskMode) {
- copyCtxState(this.ctx, this.suspendedCtx);
- this.suspendedCtx.save();
- } else {
- this.ctx.save();
- }
- const old = this.current;
- this.stateStack.push(old);
- this.current = old.clone();
- }
- restore() {
- if (this.stateStack.length === 0 && this.inSMaskMode) {
- this.endSMaskMode();
- }
- if (this.stateStack.length !== 0) {
- this.current = this.stateStack.pop();
- if (this.inSMaskMode) {
- this.suspendedCtx.restore();
- copyCtxState(this.suspendedCtx, this.ctx);
- } else {
- this.ctx.restore();
- }
- this.checkSMaskState();
- this.pendingClip = null;
- this._cachedScaleForStroking = null;
- this._cachedGetSinglePixelWidth = null;
- }
- }
- transform(a, b, c, d, e, f) {
- this.ctx.transform(a, b, c, d, e, f);
- this._cachedScaleForStroking = null;
- this._cachedGetSinglePixelWidth = null;
- }
- constructPath(ops, args, minMax) {
- const ctx = this.ctx;
- const current = this.current;
- let x = current.x,
- y = current.y;
- let startX, startY;
- const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
- const isScalingMatrix = currentTransform[0] === 0 && currentTransform[3] === 0 || currentTransform[1] === 0 && currentTransform[2] === 0;
- const minMaxForBezier = isScalingMatrix ? minMax.slice(0) : null;
- for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
- switch (ops[i] | 0) {
- case _util.OPS.rectangle:
- x = args[j++];
- y = args[j++];
- const width = args[j++];
- const height = args[j++];
- const xw = x + width;
- const yh = y + height;
- ctx.moveTo(x, y);
- if (width === 0 || height === 0) {
- ctx.lineTo(xw, yh);
- } else {
- ctx.lineTo(xw, y);
- ctx.lineTo(xw, yh);
- ctx.lineTo(x, yh);
- }
- if (!isScalingMatrix) {
- current.updateRectMinMax(currentTransform, [x, y, xw, yh]);
- }
- ctx.closePath();
- break;
- case _util.OPS.moveTo:
- x = args[j++];
- y = args[j++];
- ctx.moveTo(x, y);
- if (!isScalingMatrix) {
- current.updatePathMinMax(currentTransform, x, y);
- }
- break;
- case _util.OPS.lineTo:
- x = args[j++];
- y = args[j++];
- ctx.lineTo(x, y);
- if (!isScalingMatrix) {
- current.updatePathMinMax(currentTransform, x, y);
- }
- break;
- case _util.OPS.curveTo:
- startX = x;
- startY = y;
- x = args[j + 4];
- y = args[j + 5];
- ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
- current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y, minMaxForBezier);
- j += 6;
- break;
- case _util.OPS.curveTo2:
- startX = x;
- startY = y;
- ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
- current.updateCurvePathMinMax(currentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3], minMaxForBezier);
- x = args[j + 2];
- y = args[j + 3];
- j += 4;
- break;
- case _util.OPS.curveTo3:
- startX = x;
- startY = y;
- x = args[j + 2];
- y = args[j + 3];
- ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
- current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], x, y, x, y, minMaxForBezier);
- j += 4;
- break;
- case _util.OPS.closePath:
- ctx.closePath();
- break;
- }
- }
- if (isScalingMatrix) {
- current.updateScalingPathMinMax(currentTransform, minMaxForBezier);
- }
- current.setCurrentPoint(x, y);
- }
- closePath() {
- this.ctx.closePath();
- }
- stroke(consumePath = true) {
- const ctx = this.ctx;
- const strokeColor = this.current.strokeColor;
- ctx.globalAlpha = this.current.strokeAlpha;
- if (this.contentVisible) {
- if (typeof strokeColor === "object" && strokeColor?.getPattern) {
- ctx.save();
- ctx.strokeStyle = strokeColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.STROKE);
- this.rescaleAndStroke(false);
- ctx.restore();
- } else {
- this.rescaleAndStroke(true);
- }
- }
- if (consumePath) {
- this.consumePath(this.current.getClippedPathBoundingBox());
- }
- ctx.globalAlpha = this.current.fillAlpha;
- }
- closeStroke() {
- this.closePath();
- this.stroke();
- }
- fill(consumePath = true) {
- const ctx = this.ctx;
- const fillColor = this.current.fillColor;
- const isPatternFill = this.current.patternFill;
- let needRestore = false;
- if (isPatternFill) {
- ctx.save();
- ctx.fillStyle = fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
- needRestore = true;
- }
- const intersect = this.current.getClippedPathBoundingBox();
- if (this.contentVisible && intersect !== null) {
- if (this.pendingEOFill) {
- ctx.fill("evenodd");
- this.pendingEOFill = false;
- } else {
- ctx.fill();
- }
- }
- if (needRestore) {
- ctx.restore();
- }
- if (consumePath) {
- this.consumePath(intersect);
- }
- }
- eoFill() {
- this.pendingEOFill = true;
- this.fill();
- }
- fillStroke() {
- this.fill(false);
- this.stroke(false);
- this.consumePath();
- }
- eoFillStroke() {
- this.pendingEOFill = true;
- this.fillStroke();
- }
- closeFillStroke() {
- this.closePath();
- this.fillStroke();
- }
- closeEOFillStroke() {
- this.pendingEOFill = true;
- this.closePath();
- this.fillStroke();
- }
- endPath() {
- this.consumePath();
- }
- clip() {
- this.pendingClip = NORMAL_CLIP;
- }
- eoClip() {
- this.pendingClip = EO_CLIP;
- }
- beginText() {
- this.current.textMatrix = _util.IDENTITY_MATRIX;
- this.current.textMatrixScale = 1;
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- }
- endText() {
- const paths = this.pendingTextPaths;
- const ctx = this.ctx;
- if (paths === undefined) {
- ctx.beginPath();
- return;
- }
- ctx.save();
- ctx.beginPath();
- for (const path of paths) {
- ctx.setTransform(...path.transform);
- ctx.translate(path.x, path.y);
- path.addToPath(ctx, path.fontSize);
- }
- ctx.restore();
- ctx.clip();
- ctx.beginPath();
- delete this.pendingTextPaths;
- }
- setCharSpacing(spacing) {
- this.current.charSpacing = spacing;
- }
- setWordSpacing(spacing) {
- this.current.wordSpacing = spacing;
- }
- setHScale(scale) {
- this.current.textHScale = scale / 100;
- }
- setLeading(leading) {
- this.current.leading = -leading;
- }
- setFont(fontRefName, size) {
- const fontObj = this.commonObjs.get(fontRefName);
- const current = this.current;
- if (!fontObj) {
- throw new Error(`Can't find font for ${fontRefName}`);
- }
- current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
- if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
- (0, _util.warn)("Invalid font matrix for font " + fontRefName);
- }
- if (size < 0) {
- size = -size;
- current.fontDirection = -1;
- } else {
- current.fontDirection = 1;
- }
- this.current.font = fontObj;
- this.current.fontSize = size;
- if (fontObj.isType3Font) {
- return;
- }
- const name = fontObj.loadedName || "sans-serif";
- let bold = "normal";
- if (fontObj.black) {
- bold = "900";
- } else if (fontObj.bold) {
- bold = "bold";
- }
- const italic = fontObj.italic ? "italic" : "normal";
- const typeface = `"${name}", ${fontObj.fallbackName}`;
- let browserFontSize = size;
- if (size < MIN_FONT_SIZE) {
- browserFontSize = MIN_FONT_SIZE;
- } else if (size > MAX_FONT_SIZE) {
- browserFontSize = MAX_FONT_SIZE;
- }
- this.current.fontSizeScale = size / browserFontSize;
- this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
- }
- setTextRenderingMode(mode) {
- this.current.textRenderingMode = mode;
- }
- setTextRise(rise) {
- this.current.textRise = rise;
- }
- moveText(x, y) {
- this.current.x = this.current.lineX += x;
- this.current.y = this.current.lineY += y;
- }
- setLeadingMoveText(x, y) {
- this.setLeading(-y);
- this.moveText(x, y);
- }
- setTextMatrix(a, b, c, d, e, f) {
- this.current.textMatrix = [a, b, c, d, e, f];
- this.current.textMatrixScale = Math.hypot(a, b);
- this.current.x = this.current.lineX = 0;
- this.current.y = this.current.lineY = 0;
- }
- nextLine() {
- this.moveText(0, this.current.leading);
- }
- paintChar(character, x, y, patternTransform) {
- const ctx = this.ctx;
- const current = this.current;
- const font = current.font;
- const textRenderingMode = current.textRenderingMode;
- const fontSize = current.fontSize / current.fontSizeScale;
- const fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
- const isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
- const patternFill = current.patternFill && !font.missingFile;
- let addToPath;
- if (font.disableFontFace || isAddToPathSet || patternFill) {
- addToPath = font.getPathGenerator(this.commonObjs, character);
- }
- if (font.disableFontFace || patternFill) {
- ctx.save();
- ctx.translate(x, y);
- ctx.beginPath();
- addToPath(ctx, fontSize);
- if (patternTransform) {
- ctx.setTransform(...patternTransform);
- }
- if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.fill();
- }
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.stroke();
- }
- ctx.restore();
- } else {
- if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.fillText(character, x, y);
- }
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- ctx.strokeText(character, x, y);
- }
- }
- if (isAddToPathSet) {
- const paths = this.pendingTextPaths || (this.pendingTextPaths = []);
- paths.push({
- transform: (0, _display_utils.getCurrentTransform)(ctx),
- x,
- y,
- fontSize,
- addToPath
- });
- }
- }
- get isFontSubpixelAAEnabled() {
- const {
- context: ctx
- } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
- ctx.scale(1.5, 1);
- ctx.fillText("I", 0, 10);
- const data = ctx.getImageData(0, 0, 10, 10).data;
- let enabled = false;
- for (let i = 3; i < data.length; i += 4) {
- if (data[i] > 0 && data[i] < 255) {
- enabled = true;
- break;
- }
- }
- return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
- }
- showText(glyphs) {
- const current = this.current;
- const font = current.font;
- if (font.isType3Font) {
- return this.showType3Text(glyphs);
- }
- const fontSize = current.fontSize;
- if (fontSize === 0) {
- return undefined;
- }
- const ctx = this.ctx;
- const fontSizeScale = current.fontSizeScale;
- const charSpacing = current.charSpacing;
- const wordSpacing = current.wordSpacing;
- const fontDirection = current.fontDirection;
- const textHScale = current.textHScale * fontDirection;
- const glyphsLength = glyphs.length;
- const vertical = font.vertical;
- const spacingDir = vertical ? 1 : -1;
- const defaultVMetrics = font.defaultVMetrics;
- const widthAdvanceScale = fontSize * current.fontMatrix[0];
- const simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
- ctx.save();
- ctx.transform(...current.textMatrix);
- ctx.translate(current.x, current.y + current.textRise);
- if (fontDirection > 0) {
- ctx.scale(textHScale, -1);
- } else {
- ctx.scale(textHScale, 1);
- }
- let patternTransform;
- if (current.patternFill) {
- ctx.save();
- const pattern = current.fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
- patternTransform = (0, _display_utils.getCurrentTransform)(ctx);
- ctx.restore();
- ctx.fillStyle = pattern;
- }
- let lineWidth = current.lineWidth;
- const scale = current.textMatrixScale;
- if (scale === 0 || lineWidth === 0) {
- const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- lineWidth = this.getSinglePixelWidth();
- }
- } else {
- lineWidth /= scale;
- }
- if (fontSizeScale !== 1.0) {
- ctx.scale(fontSizeScale, fontSizeScale);
- lineWidth /= fontSizeScale;
- }
- ctx.lineWidth = lineWidth;
- if (font.isInvalidPDFjsFont) {
- const chars = [];
- let width = 0;
- for (const glyph of glyphs) {
- chars.push(glyph.unicode);
- width += glyph.width;
- }
- ctx.fillText(chars.join(""), 0, 0);
- current.x += width * widthAdvanceScale * textHScale;
- ctx.restore();
- this.compose();
- return undefined;
- }
- let x = 0,
- i;
- for (i = 0; i < glyphsLength; ++i) {
- const glyph = glyphs[i];
- if (typeof glyph === "number") {
- x += spacingDir * glyph * fontSize / 1000;
- continue;
- }
- let restoreNeeded = false;
- const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- const character = glyph.fontChar;
- const accent = glyph.accent;
- let scaledX, scaledY;
- let width = glyph.width;
- if (vertical) {
- const vmetric = glyph.vmetric || defaultVMetrics;
- const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
- const vy = vmetric[2] * widthAdvanceScale;
- width = vmetric ? -vmetric[0] : width;
- scaledX = vx / fontSizeScale;
- scaledY = (x + vy) / fontSizeScale;
- } else {
- scaledX = x / fontSizeScale;
- scaledY = 0;
- }
- if (font.remeasure && width > 0) {
- const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
- if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
- const characterScaleX = width / measuredWidth;
- restoreNeeded = true;
- ctx.save();
- ctx.scale(characterScaleX, 1);
- scaledX /= characterScaleX;
- } else if (width !== measuredWidth) {
- scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
- }
- }
- if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
- if (simpleFillText && !accent) {
- ctx.fillText(character, scaledX, scaledY);
- } else {
- this.paintChar(character, scaledX, scaledY, patternTransform);
- if (accent) {
- const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
- const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
- this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
- }
- }
- }
- let charWidth;
- if (vertical) {
- charWidth = width * widthAdvanceScale - spacing * fontDirection;
- } else {
- charWidth = width * widthAdvanceScale + spacing * fontDirection;
- }
- x += charWidth;
- if (restoreNeeded) {
- ctx.restore();
- }
- }
- if (vertical) {
- current.y -= x;
- } else {
- current.x += x * textHScale;
- }
- ctx.restore();
- this.compose();
- return undefined;
- }
- showType3Text(glyphs) {
- const ctx = this.ctx;
- const current = this.current;
- const font = current.font;
- const fontSize = current.fontSize;
- const fontDirection = current.fontDirection;
- const spacingDir = font.vertical ? 1 : -1;
- const charSpacing = current.charSpacing;
- const wordSpacing = current.wordSpacing;
- const textHScale = current.textHScale * fontDirection;
- const fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
- const glyphsLength = glyphs.length;
- const isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
- let i, glyph, width, spacingLength;
- if (isTextInvisible || fontSize === 0) {
- return;
- }
- this._cachedScaleForStroking = null;
- this._cachedGetSinglePixelWidth = null;
- ctx.save();
- ctx.transform(...current.textMatrix);
- ctx.translate(current.x, current.y);
- ctx.scale(textHScale, fontDirection);
- for (i = 0; i < glyphsLength; ++i) {
- glyph = glyphs[i];
- if (typeof glyph === "number") {
- spacingLength = spacingDir * glyph * fontSize / 1000;
- this.ctx.translate(spacingLength, 0);
- current.x += spacingLength * textHScale;
- continue;
- }
- const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- const operatorList = font.charProcOperatorList[glyph.operatorListId];
- if (!operatorList) {
- (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
- continue;
- }
- if (this.contentVisible) {
- this.processingType3 = glyph;
- this.save();
- ctx.scale(fontSize, fontSize);
- ctx.transform(...fontMatrix);
- this.executeOperatorList(operatorList);
- this.restore();
- }
- const transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
- width = transformed[0] * fontSize + spacing;
- ctx.translate(width, 0);
- current.x += width * textHScale;
- }
- ctx.restore();
- this.processingType3 = null;
- }
- setCharWidth(xWidth, yWidth) {}
- setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
- this.ctx.rect(llx, lly, urx - llx, ury - lly);
- this.ctx.clip();
- this.endPath();
- }
- getColorN_Pattern(IR) {
- let pattern;
- if (IR[0] === "TilingPattern") {
- const color = IR[1];
- const baseTransform = this.baseTransform || (0, _display_utils.getCurrentTransform)(this.ctx);
- const canvasGraphicsFactory = {
- createCanvasGraphics: ctx => {
- return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, {
- optionalContentConfig: this.optionalContentConfig,
- markedContentStack: this.markedContentStack
- });
- }
- };
- pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
- } else {
- pattern = this._getPattern(IR[1], IR[2]);
- }
- return pattern;
- }
- setStrokeColorN() {
- this.current.strokeColor = this.getColorN_Pattern(arguments);
- }
- setFillColorN() {
- this.current.fillColor = this.getColorN_Pattern(arguments);
- this.current.patternFill = true;
- }
- setStrokeRGBColor(r, g, b) {
- const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
- this.ctx.strokeStyle = color;
- this.current.strokeColor = color;
- }
- setFillRGBColor(r, g, b) {
- const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
- this.ctx.fillStyle = color;
- this.current.fillColor = color;
- this.current.patternFill = false;
- }
- _getPattern(objId, matrix = null) {
- let pattern;
- if (this.cachedPatterns.has(objId)) {
- pattern = this.cachedPatterns.get(objId);
- } else {
- pattern = (0, _pattern_helper.getShadingPattern)(this.objs.get(objId));
- this.cachedPatterns.set(objId, pattern);
- }
- if (matrix) {
- pattern.matrix = matrix;
- }
- return pattern;
- }
- shadingFill(objId) {
- if (!this.contentVisible) {
- return;
- }
- const ctx = this.ctx;
- this.save();
- const pattern = this._getPattern(objId);
- ctx.fillStyle = pattern.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.SHADING);
- const inv = (0, _display_utils.getCurrentTransformInverse)(ctx);
- if (inv) {
- const canvas = ctx.canvas;
- const width = canvas.width;
- const height = canvas.height;
- const bl = _util.Util.applyTransform([0, 0], inv);
- const br = _util.Util.applyTransform([0, height], inv);
- const ul = _util.Util.applyTransform([width, 0], inv);
- const ur = _util.Util.applyTransform([width, height], inv);
- const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
- const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
- const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
- const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
- this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
- } else {
- this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
- }
- this.compose(this.current.getClippedPathBoundingBox());
- this.restore();
- }
- beginInlineImage() {
- (0, _util.unreachable)("Should not call beginInlineImage");
- }
- beginImageData() {
- (0, _util.unreachable)("Should not call beginImageData");
- }
- paintFormXObjectBegin(matrix, bbox) {
- if (!this.contentVisible) {
- return;
- }
- this.save();
- this.baseTransformStack.push(this.baseTransform);
- if (Array.isArray(matrix) && matrix.length === 6) {
- this.transform(...matrix);
- }
- this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
- if (bbox) {
- const width = bbox[2] - bbox[0];
- const height = bbox[3] - bbox[1];
- this.ctx.rect(bbox[0], bbox[1], width, height);
- this.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(this.ctx), bbox);
- this.clip();
- this.endPath();
- }
- }
- paintFormXObjectEnd() {
- if (!this.contentVisible) {
- return;
- }
- this.restore();
- this.baseTransform = this.baseTransformStack.pop();
- }
- beginGroup(group) {
- if (!this.contentVisible) {
- return;
- }
- this.save();
- if (this.inSMaskMode) {
- this.endSMaskMode();
- this.current.activeSMask = null;
- }
- const currentCtx = this.ctx;
- if (!group.isolated) {
- (0, _util.info)("TODO: Support non-isolated groups.");
- }
- if (group.knockout) {
- (0, _util.warn)("Knockout groups not supported.");
- }
- const currentTransform = (0, _display_utils.getCurrentTransform)(currentCtx);
- if (group.matrix) {
- currentCtx.transform(...group.matrix);
- }
- if (!group.bbox) {
- throw new Error("Bounding box is required.");
- }
- let bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, (0, _display_utils.getCurrentTransform)(currentCtx));
- const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
- bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
- const offsetX = Math.floor(bounds[0]);
- const offsetY = Math.floor(bounds[1]);
- let drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
- let drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
- let scaleX = 1,
- scaleY = 1;
- if (drawnWidth > MAX_GROUP_SIZE) {
- scaleX = drawnWidth / MAX_GROUP_SIZE;
- drawnWidth = MAX_GROUP_SIZE;
- }
- if (drawnHeight > MAX_GROUP_SIZE) {
- scaleY = drawnHeight / MAX_GROUP_SIZE;
- drawnHeight = MAX_GROUP_SIZE;
- }
- this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
- let cacheId = "groupAt" + this.groupLevel;
- if (group.smask) {
- cacheId += "_smask_" + this.smaskCounter++ % 2;
- }
- const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
- const groupCtx = scratchCanvas.context;
- groupCtx.scale(1 / scaleX, 1 / scaleY);
- groupCtx.translate(-offsetX, -offsetY);
- groupCtx.transform(...currentTransform);
- if (group.smask) {
- this.smaskStack.push({
- canvas: scratchCanvas.canvas,
- context: groupCtx,
- offsetX,
- offsetY,
- scaleX,
- scaleY,
- subtype: group.smask.subtype,
- backdrop: group.smask.backdrop,
- transferMap: group.smask.transferMap || null,
- startTransformInverse: null
- });
- } else {
- currentCtx.setTransform(1, 0, 0, 1, 0, 0);
- currentCtx.translate(offsetX, offsetY);
- currentCtx.scale(scaleX, scaleY);
- currentCtx.save();
- }
- copyCtxState(currentCtx, groupCtx);
- this.ctx = groupCtx;
- this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
- this.groupStack.push(currentCtx);
- this.groupLevel++;
- }
- endGroup(group) {
- if (!this.contentVisible) {
- return;
- }
- this.groupLevel--;
- const groupCtx = this.ctx;
- const ctx = this.groupStack.pop();
- this.ctx = ctx;
- this.ctx.imageSmoothingEnabled = false;
- if (group.smask) {
- this.tempSMask = this.smaskStack.pop();
- this.restore();
- } else {
- this.ctx.restore();
- const currentMtx = (0, _display_utils.getCurrentTransform)(this.ctx);
- this.restore();
- this.ctx.save();
- this.ctx.setTransform(...currentMtx);
- const dirtyBox = _util.Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
- this.ctx.drawImage(groupCtx.canvas, 0, 0);
- this.ctx.restore();
- this.compose(dirtyBox);
- }
- }
- beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
- this.#restoreInitialState();
- resetCtxToDefault(this.ctx, this.foregroundColor);
- this.ctx.save();
- this.save();
- if (this.baseTransform) {
- this.ctx.setTransform(...this.baseTransform);
- }
- if (Array.isArray(rect) && rect.length === 4) {
- const width = rect[2] - rect[0];
- const height = rect[3] - rect[1];
- if (hasOwnCanvas && this.annotationCanvasMap) {
- transform = transform.slice();
- transform[4] -= rect[0];
- transform[5] -= rect[1];
- rect = rect.slice();
- rect[0] = rect[1] = 0;
- rect[2] = width;
- rect[3] = height;
- const [scaleX, scaleY] = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(this.ctx));
- const {
- viewportScale
- } = this;
- const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
- const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
- this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
- const {
- canvas,
- context
- } = this.annotationCanvas;
- this.annotationCanvasMap.set(id, canvas);
- this.annotationCanvas.savedCtx = this.ctx;
- this.ctx = context;
- this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
- resetCtxToDefault(this.ctx, this.foregroundColor);
- } else {
- resetCtxToDefault(this.ctx, this.foregroundColor);
- this.ctx.rect(rect[0], rect[1], width, height);
- this.ctx.clip();
- this.endPath();
- }
- }
- this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
- this.transform(...transform);
- this.transform(...matrix);
- }
- endAnnotation() {
- if (this.annotationCanvas) {
- this.ctx = this.annotationCanvas.savedCtx;
- delete this.annotationCanvas.savedCtx;
- delete this.annotationCanvas;
- }
- }
- paintImageMaskXObject(img) {
- if (!this.contentVisible) {
- return;
- }
- const count = img.count;
- img = this.getObject(img.data, img);
- img.count = count;
- const ctx = this.ctx;
- const glyph = this.processingType3;
- if (glyph) {
- if (glyph.compiled === undefined) {
- glyph.compiled = compileType3Glyph(img);
- }
- if (glyph.compiled) {
- glyph.compiled(ctx);
- return;
- }
- }
- const mask = this._createMaskCanvas(img);
- const maskCanvas = mask.canvas;
- ctx.save();
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
- ctx.restore();
- this.compose();
- }
- paintImageMaskXObjectRepeat(img, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
- if (!this.contentVisible) {
- return;
- }
- img = this.getObject(img.data, img);
- const ctx = this.ctx;
- ctx.save();
- const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
- ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
- const mask = this._createMaskCanvas(img);
- ctx.setTransform(1, 0, 0, 1, mask.offsetX - currentTransform[4], mask.offsetY - currentTransform[5]);
- for (let i = 0, ii = positions.length; i < ii; i += 2) {
- const trans = _util.Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
- const [x, y] = _util.Util.applyTransform([0, 0], trans);
- ctx.drawImage(mask.canvas, x, y);
- }
- ctx.restore();
- this.compose();
- }
- paintImageMaskXObjectGroup(images) {
- if (!this.contentVisible) {
- return;
- }
- const ctx = this.ctx;
- const fillColor = this.current.fillColor;
- const isPatternFill = this.current.patternFill;
- for (const image of images) {
- const {
- data,
- width,
- height,
- transform
- } = image;
- const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
- const maskCtx = maskCanvas.context;
- maskCtx.save();
- const img = this.getObject(data, image);
- putBinaryImageMask(maskCtx, img);
- maskCtx.globalCompositeOperation = "source-in";
- maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL) : fillColor;
- maskCtx.fillRect(0, 0, width, height);
- maskCtx.restore();
- ctx.save();
- ctx.transform(...transform);
- ctx.scale(1, -1);
- drawImageAtIntegerCoords(ctx, maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
- ctx.restore();
- }
- this.compose();
- }
- paintImageXObject(objId) {
- if (!this.contentVisible) {
- return;
- }
- const imgData = this.getObject(objId);
- if (!imgData) {
- (0, _util.warn)("Dependent image isn't ready yet");
- return;
- }
- this.paintInlineImageXObject(imgData);
- }
- paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
- if (!this.contentVisible) {
- return;
- }
- const imgData = this.getObject(objId);
- if (!imgData) {
- (0, _util.warn)("Dependent image isn't ready yet");
- return;
- }
- const width = imgData.width;
- const height = imgData.height;
- const map = [];
- for (let i = 0, ii = positions.length; i < ii; i += 2) {
- map.push({
- transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
- x: 0,
- y: 0,
- w: width,
- h: height
- });
- }
- this.paintInlineImageXObjectGroup(imgData, map);
- }
- paintInlineImageXObject(imgData) {
- if (!this.contentVisible) {
- return;
- }
- const width = imgData.width;
- const height = imgData.height;
- const ctx = this.ctx;
- this.save();
- ctx.scale(1 / width, -1 / height);
- let imgToPaint;
- if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
- imgToPaint = imgData;
- } else {
- const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
- const tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
- imgToPaint = tmpCanvas.canvas;
- }
- const scaled = this._scaleImage(imgToPaint, (0, _display_utils.getCurrentTransformInverse)(ctx));
- ctx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(ctx), imgData.interpolate);
- drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
- this.compose();
- this.restore();
- }
- paintInlineImageXObjectGroup(imgData, map) {
- if (!this.contentVisible) {
- return;
- }
- const ctx = this.ctx;
- const w = imgData.width;
- const h = imgData.height;
- const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
- const tmpCtx = tmpCanvas.context;
- putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
- for (const entry of map) {
- ctx.save();
- ctx.transform(...entry.transform);
- ctx.scale(1, -1);
- drawImageAtIntegerCoords(ctx, tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
- ctx.restore();
- }
- this.compose();
- }
- paintSolidColorImageMask() {
- if (!this.contentVisible) {
- return;
- }
- this.ctx.fillRect(0, 0, 1, 1);
- this.compose();
- }
- markPoint(tag) {}
- markPointProps(tag, properties) {}
- beginMarkedContent(tag) {
- this.markedContentStack.push({
- visible: true
- });
- }
- beginMarkedContentProps(tag, properties) {
- if (tag === "OC") {
- this.markedContentStack.push({
- visible: this.optionalContentConfig.isVisible(properties)
- });
- } else {
- this.markedContentStack.push({
- visible: true
- });
- }
- this.contentVisible = this.isContentVisible();
- }
- endMarkedContent() {
- this.markedContentStack.pop();
- this.contentVisible = this.isContentVisible();
- }
- beginCompat() {}
- endCompat() {}
- consumePath(clipBox) {
- const isEmpty = this.current.isEmptyClip();
- if (this.pendingClip) {
- this.current.updateClipFromPath();
- }
- if (!this.pendingClip) {
- this.compose(clipBox);
- }
- const ctx = this.ctx;
- if (this.pendingClip) {
- if (!isEmpty) {
- if (this.pendingClip === EO_CLIP) {
- ctx.clip("evenodd");
- } else {
- ctx.clip();
- }
- }
- this.pendingClip = null;
- }
- this.current.startNewPathAndClipBox(this.current.clipBox);
- ctx.beginPath();
- }
- getSinglePixelWidth() {
- if (!this._cachedGetSinglePixelWidth) {
- const m = (0, _display_utils.getCurrentTransform)(this.ctx);
- if (m[1] === 0 && m[2] === 0) {
- this._cachedGetSinglePixelWidth = 1 / Math.min(Math.abs(m[0]), Math.abs(m[3]));
- } else {
- const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
- const normX = Math.hypot(m[0], m[2]);
- const normY = Math.hypot(m[1], m[3]);
- this._cachedGetSinglePixelWidth = Math.max(normX, normY) / absDet;
- }
- }
- return this._cachedGetSinglePixelWidth;
- }
- getScaleForStroking() {
- if (!this._cachedScaleForStroking) {
- const {
- lineWidth
- } = this.current;
- const m = (0, _display_utils.getCurrentTransform)(this.ctx);
- let scaleX, scaleY;
- if (m[1] === 0 && m[2] === 0) {
- const normX = Math.abs(m[0]);
- const normY = Math.abs(m[3]);
- if (lineWidth === 0) {
- scaleX = 1 / normX;
- scaleY = 1 / normY;
- } else {
- const scaledXLineWidth = normX * lineWidth;
- const scaledYLineWidth = normY * lineWidth;
- scaleX = scaledXLineWidth < 1 ? 1 / scaledXLineWidth : 1;
- scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1;
- }
- } else {
- const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
- const normX = Math.hypot(m[0], m[1]);
- const normY = Math.hypot(m[2], m[3]);
- if (lineWidth === 0) {
- scaleX = normY / absDet;
- scaleY = normX / absDet;
- } else {
- const baseArea = lineWidth * absDet;
- scaleX = normY > baseArea ? normY / baseArea : 1;
- scaleY = normX > baseArea ? normX / baseArea : 1;
- }
- }
- this._cachedScaleForStroking = [scaleX, scaleY];
- }
- return this._cachedScaleForStroking;
- }
- rescaleAndStroke(saveRestore) {
- const {
- ctx
- } = this;
- const {
- lineWidth
- } = this.current;
- const [scaleX, scaleY] = this.getScaleForStroking();
- ctx.lineWidth = lineWidth || 1;
- if (scaleX === 1 && scaleY === 1) {
- ctx.stroke();
- return;
- }
- let savedMatrix, savedDashes, savedDashOffset;
- if (saveRestore) {
- savedMatrix = (0, _display_utils.getCurrentTransform)(ctx);
- savedDashes = ctx.getLineDash().slice();
- savedDashOffset = ctx.lineDashOffset;
- }
- ctx.scale(scaleX, scaleY);
- const scale = Math.max(scaleX, scaleY);
- ctx.setLineDash(ctx.getLineDash().map(x => x / scale));
- ctx.lineDashOffset /= scale;
- ctx.stroke();
- if (saveRestore) {
- ctx.setTransform(...savedMatrix);
- ctx.setLineDash(savedDashes);
- ctx.lineDashOffset = savedDashOffset;
- }
- }
- isContentVisible() {
- for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
- if (!this.markedContentStack[i].visible) {
- return false;
- }
- }
- return true;
- }
- }
- exports.CanvasGraphics = CanvasGraphics;
- for (const op in _util.OPS) {
- if (CanvasGraphics.prototype[op] !== undefined) {
- CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
- }
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.TilingPattern = exports.PathType = void 0;
- exports.getShadingPattern = getShadingPattern;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- var _is_node = __w_pdfjs_require__(10);
- const PathType = {
- FILL: "Fill",
- STROKE: "Stroke",
- SHADING: "Shading"
- };
- exports.PathType = PathType;
- function applyBoundingBox(ctx, bbox) {
- if (!bbox || _is_node.isNodeJS) {
- return;
- }
- const width = bbox[2] - bbox[0];
- const height = bbox[3] - bbox[1];
- const region = new Path2D();
- region.rect(bbox[0], bbox[1], width, height);
- ctx.clip(region);
- }
- class BaseShadingPattern {
- constructor() {
- if (this.constructor === BaseShadingPattern) {
- (0, _util.unreachable)("Cannot initialize BaseShadingPattern.");
- }
- }
- getPattern() {
- (0, _util.unreachable)("Abstract method `getPattern` called.");
- }
- }
- class RadialAxialShadingPattern extends BaseShadingPattern {
- constructor(IR) {
- super();
- this._type = IR[1];
- this._bbox = IR[2];
- this._colorStops = IR[3];
- this._p0 = IR[4];
- this._p1 = IR[5];
- this._r0 = IR[6];
- this._r1 = IR[7];
- this.matrix = null;
- }
- _createGradient(ctx) {
- let grad;
- if (this._type === "axial") {
- grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
- } else if (this._type === "radial") {
- grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
- }
- for (const colorStop of this._colorStops) {
- grad.addColorStop(colorStop[0], colorStop[1]);
- }
- return grad;
- }
- getPattern(ctx, owner, inverse, pathType) {
- let pattern;
- if (pathType === PathType.STROKE || pathType === PathType.FILL) {
- const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, (0, _display_utils.getCurrentTransform)(ctx)) || [0, 0, 0, 0];
- const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
- const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
- const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height, true);
- const tmpCtx = tmpCanvas.context;
- tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
- tmpCtx.beginPath();
- tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
- tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
- inverse = _util.Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
- tmpCtx.transform(...owner.baseTransform);
- if (this.matrix) {
- tmpCtx.transform(...this.matrix);
- }
- applyBoundingBox(tmpCtx, this._bbox);
- tmpCtx.fillStyle = this._createGradient(tmpCtx);
- tmpCtx.fill();
- pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
- const domMatrix = new DOMMatrix(inverse);
- pattern.setTransform(domMatrix);
- } else {
- applyBoundingBox(ctx, this._bbox);
- pattern = this._createGradient(ctx);
- }
- return pattern;
- }
- }
- function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
- const coords = context.coords,
- colors = context.colors;
- const bytes = data.data,
- rowSize = data.width * 4;
- let tmp;
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- if (coords[p2 + 1] > coords[p3 + 1]) {
- tmp = p2;
- p2 = p3;
- p3 = tmp;
- tmp = c2;
- c2 = c3;
- c3 = tmp;
- }
- if (coords[p1 + 1] > coords[p2 + 1]) {
- tmp = p1;
- p1 = p2;
- p2 = tmp;
- tmp = c1;
- c1 = c2;
- c2 = tmp;
- }
- const x1 = (coords[p1] + context.offsetX) * context.scaleX;
- const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
- const x2 = (coords[p2] + context.offsetX) * context.scaleX;
- const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
- const x3 = (coords[p3] + context.offsetX) * context.scaleX;
- const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
- if (y1 >= y3) {
- return;
- }
- const c1r = colors[c1],
- c1g = colors[c1 + 1],
- c1b = colors[c1 + 2];
- const c2r = colors[c2],
- c2g = colors[c2 + 1],
- c2b = colors[c2 + 2];
- const c3r = colors[c3],
- c3g = colors[c3 + 1],
- c3b = colors[c3 + 2];
- const minY = Math.round(y1),
- maxY = Math.round(y3);
- let xa, car, cag, cab;
- let xb, cbr, cbg, cbb;
- for (let y = minY; y <= maxY; y++) {
- if (y < y2) {
- let k;
- if (y < y1) {
- k = 0;
- } else {
- k = (y1 - y) / (y1 - y2);
- }
- xa = x1 - (x1 - x2) * k;
- car = c1r - (c1r - c2r) * k;
- cag = c1g - (c1g - c2g) * k;
- cab = c1b - (c1b - c2b) * k;
- } else {
- let k;
- if (y > y3) {
- k = 1;
- } else if (y2 === y3) {
- k = 0;
- } else {
- k = (y2 - y) / (y2 - y3);
- }
- xa = x2 - (x2 - x3) * k;
- car = c2r - (c2r - c3r) * k;
- cag = c2g - (c2g - c3g) * k;
- cab = c2b - (c2b - c3b) * k;
- }
- let k;
- if (y < y1) {
- k = 0;
- } else if (y > y3) {
- k = 1;
- } else {
- k = (y1 - y) / (y1 - y3);
- }
- xb = x1 - (x1 - x3) * k;
- cbr = c1r - (c1r - c3r) * k;
- cbg = c1g - (c1g - c3g) * k;
- cbb = c1b - (c1b - c3b) * k;
- const x1_ = Math.round(Math.min(xa, xb));
- const x2_ = Math.round(Math.max(xa, xb));
- let j = rowSize * y + x1_ * 4;
- for (let x = x1_; x <= x2_; x++) {
- k = (xa - x) / (xa - xb);
- if (k < 0) {
- k = 0;
- } else if (k > 1) {
- k = 1;
- }
- bytes[j++] = car - (car - cbr) * k | 0;
- bytes[j++] = cag - (cag - cbg) * k | 0;
- bytes[j++] = cab - (cab - cbb) * k | 0;
- bytes[j++] = 255;
- }
- }
- }
- function drawFigure(data, figure, context) {
- const ps = figure.coords;
- const cs = figure.colors;
- let i, ii;
- switch (figure.type) {
- case "lattice":
- const verticesPerRow = figure.verticesPerRow;
- const rows = Math.floor(ps.length / verticesPerRow) - 1;
- const cols = verticesPerRow - 1;
- for (i = 0; i < rows; i++) {
- let q = i * verticesPerRow;
- for (let j = 0; j < cols; j++, q++) {
- drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
- drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
- }
- }
- break;
- case "triangles":
- for (i = 0, ii = ps.length; i < ii; i += 3) {
- drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
- }
- break;
- default:
- throw new Error("illegal figure");
- }
- }
- class MeshShadingPattern extends BaseShadingPattern {
- constructor(IR) {
- super();
- this._coords = IR[2];
- this._colors = IR[3];
- this._figures = IR[4];
- this._bounds = IR[5];
- this._bbox = IR[7];
- this._background = IR[8];
- this.matrix = null;
- }
- _createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
- const EXPECTED_SCALE = 1.1;
- const MAX_PATTERN_SIZE = 3000;
- const BORDER_SIZE = 2;
- const offsetX = Math.floor(this._bounds[0]);
- const offsetY = Math.floor(this._bounds[1]);
- const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
- const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
- const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
- const scaleX = boundsWidth / width;
- const scaleY = boundsHeight / height;
- const context = {
- coords: this._coords,
- colors: this._colors,
- offsetX: -offsetX,
- offsetY: -offsetY,
- scaleX: 1 / scaleX,
- scaleY: 1 / scaleY
- };
- const paddedWidth = width + BORDER_SIZE * 2;
- const paddedHeight = height + BORDER_SIZE * 2;
- const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
- const tmpCtx = tmpCanvas.context;
- const data = tmpCtx.createImageData(width, height);
- if (backgroundColor) {
- const bytes = data.data;
- for (let i = 0, ii = bytes.length; i < ii; i += 4) {
- bytes[i] = backgroundColor[0];
- bytes[i + 1] = backgroundColor[1];
- bytes[i + 2] = backgroundColor[2];
- bytes[i + 3] = 255;
- }
- }
- for (const figure of this._figures) {
- drawFigure(data, figure, context);
- }
- tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
- const canvas = tmpCanvas.canvas;
- return {
- canvas,
- offsetX: offsetX - BORDER_SIZE * scaleX,
- offsetY: offsetY - BORDER_SIZE * scaleY,
- scaleX,
- scaleY
- };
- }
- getPattern(ctx, owner, inverse, pathType) {
- applyBoundingBox(ctx, this._bbox);
- let scale;
- if (pathType === PathType.SHADING) {
- scale = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(ctx));
- } else {
- scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
- if (this.matrix) {
- const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
- scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
- }
- }
- const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
- if (pathType !== PathType.SHADING) {
- ctx.setTransform(...owner.baseTransform);
- if (this.matrix) {
- ctx.transform(...this.matrix);
- }
- }
- ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
- ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
- return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
- }
- }
- class DummyShadingPattern extends BaseShadingPattern {
- getPattern() {
- return "hotpink";
- }
- }
- function getShadingPattern(IR) {
- switch (IR[0]) {
- case "RadialAxial":
- return new RadialAxialShadingPattern(IR);
- case "Mesh":
- return new MeshShadingPattern(IR);
- case "Dummy":
- return new DummyShadingPattern();
- }
- throw new Error(`Unknown IR type: ${IR[0]}`);
- }
- const PaintType = {
- COLORED: 1,
- UNCOLORED: 2
- };
- class TilingPattern {
- static get MAX_PATTERN_SIZE() {
- return (0, _util.shadow)(this, "MAX_PATTERN_SIZE", 3000);
- }
- constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
- this.operatorList = IR[2];
- this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
- this.bbox = IR[4];
- this.xstep = IR[5];
- this.ystep = IR[6];
- this.paintType = IR[7];
- this.tilingType = IR[8];
- this.color = color;
- this.ctx = ctx;
- this.canvasGraphicsFactory = canvasGraphicsFactory;
- this.baseTransform = baseTransform;
- }
- createPatternCanvas(owner) {
- const operatorList = this.operatorList;
- const bbox = this.bbox;
- const xstep = this.xstep;
- const ystep = this.ystep;
- const paintType = this.paintType;
- const tilingType = this.tilingType;
- const color = this.color;
- const canvasGraphicsFactory = this.canvasGraphicsFactory;
- (0, _util.info)("TilingType: " + tilingType);
- const x0 = bbox[0],
- y0 = bbox[1],
- x1 = bbox[2],
- y1 = bbox[3];
- const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
- const curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
- const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
- const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
- const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
- const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
- const tmpCtx = tmpCanvas.context;
- const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
- graphics.groupLevel = owner.groupLevel;
- this.setFillAndStrokeStyleToContext(graphics, paintType, color);
- let adjustedX0 = x0;
- let adjustedY0 = y0;
- let adjustedX1 = x1;
- let adjustedY1 = y1;
- if (x0 < 0) {
- adjustedX0 = 0;
- adjustedX1 += Math.abs(x0);
- }
- if (y0 < 0) {
- adjustedY0 = 0;
- adjustedY1 += Math.abs(y0);
- }
- tmpCtx.translate(-(dimx.scale * adjustedX0), -(dimy.scale * adjustedY0));
- graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
- tmpCtx.save();
- this.clipBbox(graphics, adjustedX0, adjustedY0, adjustedX1, adjustedY1);
- graphics.baseTransform = (0, _display_utils.getCurrentTransform)(graphics.ctx);
- graphics.executeOperatorList(operatorList);
- graphics.endDrawing();
- return {
- canvas: tmpCanvas.canvas,
- scaleX: dimx.scale,
- scaleY: dimy.scale,
- offsetX: adjustedX0,
- offsetY: adjustedY0
- };
- }
- getSizeAndScale(step, realOutputSize, scale) {
- step = Math.abs(step);
- const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
- let size = Math.ceil(step * scale);
- if (size >= maxSize) {
- size = maxSize;
- } else {
- scale = size / step;
- }
- return {
- scale,
- size
- };
- }
- clipBbox(graphics, x0, y0, x1, y1) {
- const bboxWidth = x1 - x0;
- const bboxHeight = y1 - y0;
- graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
- graphics.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(graphics.ctx), [x0, y0, x1, y1]);
- graphics.clip();
- graphics.endPath();
- }
- setFillAndStrokeStyleToContext(graphics, paintType, color) {
- const context = graphics.ctx,
- current = graphics.current;
- switch (paintType) {
- case PaintType.COLORED:
- const ctx = this.ctx;
- context.fillStyle = ctx.fillStyle;
- context.strokeStyle = ctx.strokeStyle;
- current.fillColor = ctx.fillStyle;
- current.strokeColor = ctx.strokeStyle;
- break;
- case PaintType.UNCOLORED:
- const cssColor = _util.Util.makeHexColor(color[0], color[1], color[2]);
- context.fillStyle = cssColor;
- context.strokeStyle = cssColor;
- current.fillColor = cssColor;
- current.strokeColor = cssColor;
- break;
- default:
- throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
- }
- }
- getPattern(ctx, owner, inverse, pathType) {
- let matrix = inverse;
- if (pathType !== PathType.SHADING) {
- matrix = _util.Util.transform(matrix, owner.baseTransform);
- if (this.matrix) {
- matrix = _util.Util.transform(matrix, this.matrix);
- }
- }
- const temporaryPatternCanvas = this.createPatternCanvas(owner);
- let domMatrix = new DOMMatrix(matrix);
- domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
- domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
- const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
- pattern.setTransform(domMatrix);
- return pattern;
- }
- }
- exports.TilingPattern = TilingPattern;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.applyMaskImageData = applyMaskImageData;
- var _util = __w_pdfjs_require__(1);
- function applyMaskImageData({
- src,
- srcPos = 0,
- dest,
- destPos = 0,
- width,
- height,
- inverseDecode = false
- }) {
- const opaque = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
- const [zeroMapping, oneMapping] = !inverseDecode ? [opaque, 0] : [0, opaque];
- const widthInSource = width >> 3;
- const widthRemainder = width & 7;
- const srcLength = src.length;
- dest = new Uint32Array(dest.buffer);
- for (let i = 0; i < height; i++) {
- for (const max = srcPos + widthInSource; srcPos < max; srcPos++) {
- const elem = srcPos < srcLength ? src[srcPos] : 255;
- dest[destPos++] = elem & 0b10000000 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b1000000 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b100000 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b10000 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b1000 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b100 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b10 ? oneMapping : zeroMapping;
- dest[destPos++] = elem & 0b1 ? oneMapping : zeroMapping;
- }
- if (widthRemainder === 0) {
- continue;
- }
- const elem = srcPos < srcLength ? src[srcPos++] : 255;
- for (let j = 0; j < widthRemainder; j++) {
- dest[destPos++] = elem & 1 << 7 - j ? oneMapping : zeroMapping;
- }
- }
- return {
- srcPos,
- destPos
- };
- }
- }),
- ((__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.GlobalWorkerOptions = void 0;
- const GlobalWorkerOptions = Object.create(null);
- exports.GlobalWorkerOptions = GlobalWorkerOptions;
- GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
- GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.MessageHandler = void 0;
- var _util = __w_pdfjs_require__(1);
- const CallbackKind = {
- UNKNOWN: 0,
- DATA: 1,
- ERROR: 2
- };
- const StreamKind = {
- UNKNOWN: 0,
- CANCEL: 1,
- CANCEL_COMPLETE: 2,
- CLOSE: 3,
- ENQUEUE: 4,
- ERROR: 5,
- PULL: 6,
- PULL_COMPLETE: 7,
- START_COMPLETE: 8
- };
- function wrapReason(reason) {
- if (!(reason instanceof Error || typeof reason === "object" && reason !== null)) {
- (0, _util.unreachable)('wrapReason: Expected "reason" to be a (possibly cloned) Error.');
- }
- switch (reason.name) {
- case "AbortException":
- return new _util.AbortException(reason.message);
- case "MissingPDFException":
- return new _util.MissingPDFException(reason.message);
- case "PasswordException":
- return new _util.PasswordException(reason.message, reason.code);
- case "UnexpectedResponseException":
- return new _util.UnexpectedResponseException(reason.message, reason.status);
- case "UnknownErrorException":
- return new _util.UnknownErrorException(reason.message, reason.details);
- default:
- return new _util.UnknownErrorException(reason.message, reason.toString());
- }
- }
- class MessageHandler {
- constructor(sourceName, targetName, comObj) {
- this.sourceName = sourceName;
- this.targetName = targetName;
- this.comObj = comObj;
- this.callbackId = 1;
- this.streamId = 1;
- this.streamSinks = Object.create(null);
- this.streamControllers = Object.create(null);
- this.callbackCapabilities = Object.create(null);
- this.actionHandler = Object.create(null);
- this._onComObjOnMessage = event => {
- const data = event.data;
- if (data.targetName !== this.sourceName) {
- return;
- }
- if (data.stream) {
- this._processStreamMessage(data);
- return;
- }
- if (data.callback) {
- const callbackId = data.callbackId;
- const capability = this.callbackCapabilities[callbackId];
- if (!capability) {
- throw new Error(`Cannot resolve callback ${callbackId}`);
- }
- delete this.callbackCapabilities[callbackId];
- if (data.callback === CallbackKind.DATA) {
- capability.resolve(data.data);
- } else if (data.callback === CallbackKind.ERROR) {
- capability.reject(wrapReason(data.reason));
- } else {
- throw new Error("Unexpected callback case");
- }
- return;
- }
- const action = this.actionHandler[data.action];
- if (!action) {
- throw new Error(`Unknown action from worker: ${data.action}`);
- }
- if (data.callbackId) {
- const cbSourceName = this.sourceName;
- const cbTargetName = data.sourceName;
- new Promise(function (resolve) {
- resolve(action(data.data));
- }).then(function (result) {
- comObj.postMessage({
- sourceName: cbSourceName,
- targetName: cbTargetName,
- callback: CallbackKind.DATA,
- callbackId: data.callbackId,
- data: result
- });
- }, function (reason) {
- comObj.postMessage({
- sourceName: cbSourceName,
- targetName: cbTargetName,
- callback: CallbackKind.ERROR,
- callbackId: data.callbackId,
- reason: wrapReason(reason)
- });
- });
- return;
- }
- if (data.streamId) {
- this._createStreamSink(data);
- return;
- }
- action(data.data);
- };
- comObj.addEventListener("message", this._onComObjOnMessage);
- }
- on(actionName, handler) {
- const ah = this.actionHandler;
- if (ah[actionName]) {
- throw new Error(`There is already an actionName called "${actionName}"`);
- }
- ah[actionName] = handler;
- }
- send(actionName, data, transfers) {
- this.comObj.postMessage({
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- data
- }, transfers);
- }
- sendWithPromise(actionName, data, transfers) {
- const callbackId = this.callbackId++;
- const capability = (0, _util.createPromiseCapability)();
- this.callbackCapabilities[callbackId] = capability;
- try {
- this.comObj.postMessage({
- sourceName: this.sourceName,
- targetName: this.targetName,
- action: actionName,
- callbackId,
- data
- }, transfers);
- } catch (ex) {
- capability.reject(ex);
- }
- return capability.promise;
- }
- sendWithStream(actionName, data, queueingStrategy, transfers) {
- const streamId = this.streamId++,
- sourceName = this.sourceName,
- targetName = this.targetName,
- comObj = this.comObj;
- return new ReadableStream({
- start: controller => {
- const startCapability = (0, _util.createPromiseCapability)();
- this.streamControllers[streamId] = {
- controller,
- startCall: startCapability,
- pullCall: null,
- cancelCall: null,
- isClosed: false
- };
- comObj.postMessage({
- sourceName,
- targetName,
- action: actionName,
- streamId,
- data,
- desiredSize: controller.desiredSize
- }, transfers);
- return startCapability.promise;
- },
- pull: controller => {
- const pullCapability = (0, _util.createPromiseCapability)();
- this.streamControllers[streamId].pullCall = pullCapability;
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.PULL,
- streamId,
- desiredSize: controller.desiredSize
- });
- return pullCapability.promise;
- },
- cancel: reason => {
- (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
- const cancelCapability = (0, _util.createPromiseCapability)();
- this.streamControllers[streamId].cancelCall = cancelCapability;
- this.streamControllers[streamId].isClosed = true;
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.CANCEL,
- streamId,
- reason: wrapReason(reason)
- });
- return cancelCapability.promise;
- }
- }, queueingStrategy);
- }
- _createStreamSink(data) {
- const streamId = data.streamId,
- sourceName = this.sourceName,
- targetName = data.sourceName,
- comObj = this.comObj;
- const self = this,
- action = this.actionHandler[data.action];
- const streamSink = {
- enqueue(chunk, size = 1, transfers) {
- if (this.isCancelled) {
- return;
- }
- const lastDesiredSize = this.desiredSize;
- this.desiredSize -= size;
- if (lastDesiredSize > 0 && this.desiredSize <= 0) {
- this.sinkCapability = (0, _util.createPromiseCapability)();
- this.ready = this.sinkCapability.promise;
- }
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.ENQUEUE,
- streamId,
- chunk
- }, transfers);
- },
- close() {
- if (this.isCancelled) {
- return;
- }
- this.isCancelled = true;
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.CLOSE,
- streamId
- });
- delete self.streamSinks[streamId];
- },
- error(reason) {
- (0, _util.assert)(reason instanceof Error, "error must have a valid reason");
- if (this.isCancelled) {
- return;
- }
- this.isCancelled = true;
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.ERROR,
- streamId,
- reason: wrapReason(reason)
- });
- },
- sinkCapability: (0, _util.createPromiseCapability)(),
- onPull: null,
- onCancel: null,
- isCancelled: false,
- desiredSize: data.desiredSize,
- ready: null
- };
- streamSink.sinkCapability.resolve();
- streamSink.ready = streamSink.sinkCapability.promise;
- this.streamSinks[streamId] = streamSink;
- new Promise(function (resolve) {
- resolve(action(data.data, streamSink));
- }).then(function () {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.START_COMPLETE,
- streamId,
- success: true
- });
- }, function (reason) {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.START_COMPLETE,
- streamId,
- reason: wrapReason(reason)
- });
- });
- }
- _processStreamMessage(data) {
- const streamId = data.streamId,
- sourceName = this.sourceName,
- targetName = data.sourceName,
- comObj = this.comObj;
- const streamController = this.streamControllers[streamId],
- streamSink = this.streamSinks[streamId];
- switch (data.stream) {
- case StreamKind.START_COMPLETE:
- if (data.success) {
- streamController.startCall.resolve();
- } else {
- streamController.startCall.reject(wrapReason(data.reason));
- }
- break;
- case StreamKind.PULL_COMPLETE:
- if (data.success) {
- streamController.pullCall.resolve();
- } else {
- streamController.pullCall.reject(wrapReason(data.reason));
- }
- break;
- case StreamKind.PULL:
- if (!streamSink) {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.PULL_COMPLETE,
- streamId,
- success: true
- });
- break;
- }
- if (streamSink.desiredSize <= 0 && data.desiredSize > 0) {
- streamSink.sinkCapability.resolve();
- }
- streamSink.desiredSize = data.desiredSize;
- new Promise(function (resolve) {
- resolve(streamSink.onPull && streamSink.onPull());
- }).then(function () {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.PULL_COMPLETE,
- streamId,
- success: true
- });
- }, function (reason) {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.PULL_COMPLETE,
- streamId,
- reason: wrapReason(reason)
- });
- });
- break;
- case StreamKind.ENQUEUE:
- (0, _util.assert)(streamController, "enqueue should have stream controller");
- if (streamController.isClosed) {
- break;
- }
- streamController.controller.enqueue(data.chunk);
- break;
- case StreamKind.CLOSE:
- (0, _util.assert)(streamController, "close should have stream controller");
- if (streamController.isClosed) {
- break;
- }
- streamController.isClosed = true;
- streamController.controller.close();
- this._deleteStreamController(streamController, streamId);
- break;
- case StreamKind.ERROR:
- (0, _util.assert)(streamController, "error should have stream controller");
- streamController.controller.error(wrapReason(data.reason));
- this._deleteStreamController(streamController, streamId);
- break;
- case StreamKind.CANCEL_COMPLETE:
- if (data.success) {
- streamController.cancelCall.resolve();
- } else {
- streamController.cancelCall.reject(wrapReason(data.reason));
- }
- this._deleteStreamController(streamController, streamId);
- break;
- case StreamKind.CANCEL:
- if (!streamSink) {
- break;
- }
- new Promise(function (resolve) {
- resolve(streamSink.onCancel && streamSink.onCancel(wrapReason(data.reason)));
- }).then(function () {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.CANCEL_COMPLETE,
- streamId,
- success: true
- });
- }, function (reason) {
- comObj.postMessage({
- sourceName,
- targetName,
- stream: StreamKind.CANCEL_COMPLETE,
- streamId,
- reason: wrapReason(reason)
- });
- });
- streamSink.sinkCapability.reject(wrapReason(data.reason));
- streamSink.isCancelled = true;
- delete this.streamSinks[streamId];
- break;
- default:
- throw new Error("Unexpected stream case");
- }
- }
- async _deleteStreamController(streamController, streamId) {
- await Promise.allSettled([streamController.startCall && streamController.startCall.promise, streamController.pullCall && streamController.pullCall.promise, streamController.cancelCall && streamController.cancelCall.promise]);
- delete this.streamControllers[streamId];
- }
- destroy() {
- this.comObj.removeEventListener("message", this._onComObjOnMessage);
- }
- }
- exports.MessageHandler = MessageHandler;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.Metadata = void 0;
- var _util = __w_pdfjs_require__(1);
- class Metadata {
- #metadataMap;
- #data;
- constructor({
- parsedData,
- rawData
- }) {
- this.#metadataMap = parsedData;
- this.#data = rawData;
- }
- getRaw() {
- return this.#data;
- }
- get(name) {
- return this.#metadataMap.get(name) ?? null;
- }
- getAll() {
- return (0, _util.objectFromMap)(this.#metadataMap);
- }
- has(name) {
- return this.#metadataMap.has(name);
- }
- }
- exports.Metadata = Metadata;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.OptionalContentConfig = void 0;
- var _util = __w_pdfjs_require__(1);
- var _murmurhash = __w_pdfjs_require__(8);
- const INTERNAL = Symbol("INTERNAL");
- class OptionalContentGroup {
- #visible = true;
- constructor(name, intent) {
- this.name = name;
- this.intent = intent;
- }
- get visible() {
- return this.#visible;
- }
- _setVisible(internal, visible) {
- if (internal !== INTERNAL) {
- (0, _util.unreachable)("Internal method `_setVisible` called.");
- }
- this.#visible = visible;
- }
- }
- class OptionalContentConfig {
- #cachedGetHash = null;
- #groups = new Map();
- #initialHash = null;
- #order = null;
- constructor(data) {
- this.name = null;
- this.creator = null;
- if (data === null) {
- return;
- }
- this.name = data.name;
- this.creator = data.creator;
- this.#order = data.order;
- for (const group of data.groups) {
- this.#groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
- }
- if (data.baseState === "OFF") {
- for (const group of this.#groups.values()) {
- group._setVisible(INTERNAL, false);
- }
- }
- for (const on of data.on) {
- this.#groups.get(on)._setVisible(INTERNAL, true);
- }
- for (const off of data.off) {
- this.#groups.get(off)._setVisible(INTERNAL, false);
- }
- this.#initialHash = this.getHash();
- }
- #evaluateVisibilityExpression(array) {
- const length = array.length;
- if (length < 2) {
- return true;
- }
- const operator = array[0];
- for (let i = 1; i < length; i++) {
- const element = array[i];
- let state;
- if (Array.isArray(element)) {
- state = this.#evaluateVisibilityExpression(element);
- } else if (this.#groups.has(element)) {
- state = this.#groups.get(element).visible;
- } else {
- (0, _util.warn)(`Optional content group not found: ${element}`);
- return true;
- }
- switch (operator) {
- case "And":
- if (!state) {
- return false;
- }
- break;
- case "Or":
- if (state) {
- return true;
- }
- break;
- case "Not":
- return !state;
- default:
- return true;
- }
- }
- return operator === "And";
- }
- isVisible(group) {
- if (this.#groups.size === 0) {
- return true;
- }
- if (!group) {
- (0, _util.warn)("Optional content group not defined.");
- return true;
- }
- if (group.type === "OCG") {
- if (!this.#groups.has(group.id)) {
- (0, _util.warn)(`Optional content group not found: ${group.id}`);
- return true;
- }
- return this.#groups.get(group.id).visible;
- } else if (group.type === "OCMD") {
- if (group.expression) {
- return this.#evaluateVisibilityExpression(group.expression);
- }
- if (!group.policy || group.policy === "AnyOn") {
- for (const id of group.ids) {
- if (!this.#groups.has(id)) {
- (0, _util.warn)(`Optional content group not found: ${id}`);
- return true;
- }
- if (this.#groups.get(id).visible) {
- return true;
- }
- }
- return false;
- } else if (group.policy === "AllOn") {
- for (const id of group.ids) {
- if (!this.#groups.has(id)) {
- (0, _util.warn)(`Optional content group not found: ${id}`);
- return true;
- }
- if (!this.#groups.get(id).visible) {
- return false;
- }
- }
- return true;
- } else if (group.policy === "AnyOff") {
- for (const id of group.ids) {
- if (!this.#groups.has(id)) {
- (0, _util.warn)(`Optional content group not found: ${id}`);
- return true;
- }
- if (!this.#groups.get(id).visible) {
- return true;
- }
- }
- return false;
- } else if (group.policy === "AllOff") {
- for (const id of group.ids) {
- if (!this.#groups.has(id)) {
- (0, _util.warn)(`Optional content group not found: ${id}`);
- return true;
- }
- if (this.#groups.get(id).visible) {
- return false;
- }
- }
- return true;
- }
- (0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
- return true;
- }
- (0, _util.warn)(`Unknown group type ${group.type}.`);
- return true;
- }
- setVisibility(id, visible = true) {
- if (!this.#groups.has(id)) {
- (0, _util.warn)(`Optional content group not found: ${id}`);
- return;
- }
- this.#groups.get(id)._setVisible(INTERNAL, !!visible);
- this.#cachedGetHash = null;
- }
- get hasInitialVisibility() {
- return this.getHash() === this.#initialHash;
- }
- getOrder() {
- if (!this.#groups.size) {
- return null;
- }
- if (this.#order) {
- return this.#order.slice();
- }
- return [...this.#groups.keys()];
- }
- getGroups() {
- return this.#groups.size > 0 ? (0, _util.objectFromMap)(this.#groups) : null;
- }
- getGroup(id) {
- return this.#groups.get(id) || null;
- }
- getHash() {
- if (this.#cachedGetHash !== null) {
- return this.#cachedGetHash;
- }
- const hash = new _murmurhash.MurmurHash3_64();
- for (const [id, group] of this.#groups) {
- hash.update(`${id}:${group.visible}`);
- }
- return this.#cachedGetHash = hash.hexdigest();
- }
- }
- exports.OptionalContentConfig = OptionalContentConfig;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.PDFDataTransportStream = void 0;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- class PDFDataTransportStream {
- constructor(params, pdfDataRangeTransport) {
- (0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
- this._queuedChunks = [];
- this._progressiveDone = params.progressiveDone || false;
- this._contentDispositionFilename = params.contentDispositionFilename || null;
- const initialData = params.initialData;
- if (initialData?.length > 0) {
- const buffer = new Uint8Array(initialData).buffer;
- this._queuedChunks.push(buffer);
- }
- this._pdfDataRangeTransport = pdfDataRangeTransport;
- this._isStreamingSupported = !params.disableStream;
- this._isRangeSupported = !params.disableRange;
- this._contentLength = params.length;
- this._fullRequestReader = null;
- this._rangeReaders = [];
- this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
- this._onReceiveData({
- begin,
- chunk
- });
- });
- this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
- this._onProgress({
- loaded,
- total
- });
- });
- this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
- this._onReceiveData({
- chunk
- });
- });
- this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
- this._onProgressiveDone();
- });
- this._pdfDataRangeTransport.transportReady();
- }
- _onReceiveData(args) {
- const buffer = new Uint8Array(args.chunk).buffer;
- if (args.begin === undefined) {
- if (this._fullRequestReader) {
- this._fullRequestReader._enqueue(buffer);
- } else {
- this._queuedChunks.push(buffer);
- }
- } else {
- const found = this._rangeReaders.some(function (rangeReader) {
- if (rangeReader._begin !== args.begin) {
- return false;
- }
- rangeReader._enqueue(buffer);
- return true;
- });
- (0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
- }
- }
- get _progressiveDataLength() {
- return this._fullRequestReader?._loaded ?? 0;
- }
- _onProgress(evt) {
- if (evt.total === undefined) {
- this._rangeReaders[0]?.onProgress?.({
- loaded: evt.loaded
- });
- } else {
- this._fullRequestReader?.onProgress?.({
- loaded: evt.loaded,
- total: evt.total
- });
- }
- }
- _onProgressiveDone() {
- this._fullRequestReader?.progressiveDone();
- this._progressiveDone = true;
- }
- _removeRangeReader(reader) {
- const i = this._rangeReaders.indexOf(reader);
- if (i >= 0) {
- this._rangeReaders.splice(i, 1);
- }
- }
- getFullReader() {
- (0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
- const queuedChunks = this._queuedChunks;
- this._queuedChunks = null;
- return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
- }
- getRangeReader(begin, end) {
- if (end <= this._progressiveDataLength) {
- return null;
- }
- const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
- this._pdfDataRangeTransport.requestDataRange(begin, end);
- this._rangeReaders.push(reader);
- return reader;
- }
- cancelAllRequests(reason) {
- this._fullRequestReader?.cancel(reason);
- for (const reader of this._rangeReaders.slice(0)) {
- reader.cancel(reason);
- }
- this._pdfDataRangeTransport.abort();
- }
- }
- exports.PDFDataTransportStream = PDFDataTransportStream;
- class PDFDataTransportStreamReader {
- constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
- this._stream = stream;
- this._done = progressiveDone || false;
- this._filename = (0, _display_utils.isPdfFile)(contentDispositionFilename) ? contentDispositionFilename : null;
- this._queuedChunks = queuedChunks || [];
- this._loaded = 0;
- for (const chunk of this._queuedChunks) {
- this._loaded += chunk.byteLength;
- }
- this._requests = [];
- this._headersReady = Promise.resolve();
- stream._fullRequestReader = this;
- this.onProgress = null;
- }
- _enqueue(chunk) {
- if (this._done) {
- return;
- }
- if (this._requests.length > 0) {
- const requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- } else {
- this._queuedChunks.push(chunk);
- }
- this._loaded += chunk.byteLength;
- }
- get headersReady() {
- return this._headersReady;
- }
- get filename() {
- return this._filename;
- }
- get isRangeSupported() {
- return this._stream._isRangeSupported;
- }
- get isStreamingSupported() {
- return this._stream._isStreamingSupported;
- }
- get contentLength() {
- return this._stream._contentLength;
- }
- async read() {
- if (this._queuedChunks.length > 0) {
- const chunk = this._queuedChunks.shift();
- return {
- value: chunk,
- done: false
- };
- }
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- const requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- }
- cancel(reason) {
- this._done = true;
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- }
- progressiveDone() {
- if (this._done) {
- return;
- }
- this._done = true;
- }
- }
- class PDFDataTransportStreamRangeReader {
- constructor(stream, begin, end) {
- this._stream = stream;
- this._begin = begin;
- this._end = end;
- this._queuedChunk = null;
- this._requests = [];
- this._done = false;
- this.onProgress = null;
- }
- _enqueue(chunk) {
- if (this._done) {
- return;
- }
- if (this._requests.length === 0) {
- this._queuedChunk = chunk;
- } else {
- const requestsCapability = this._requests.shift();
- requestsCapability.resolve({
- value: chunk,
- done: false
- });
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- }
- this._done = true;
- this._stream._removeRangeReader(this);
- }
- get isStreamingSupported() {
- return false;
- }
- async read() {
- if (this._queuedChunk) {
- const chunk = this._queuedChunk;
- this._queuedChunk = null;
- return {
- value: chunk,
- done: false
- };
- }
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- const requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- }
- cancel(reason) {
- this._done = true;
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- this._stream._removeRangeReader(this);
- }
- }
- }),
- ((__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.XfaText = void 0;
- class XfaText {
- static textContent(xfa) {
- const items = [];
- const output = {
- items,
- styles: Object.create(null)
- };
- function walk(node) {
- if (!node) {
- return;
- }
- let str = null;
- const name = node.name;
- if (name === "#text") {
- str = node.value;
- } else if (!XfaText.shouldBuildText(name)) {
- return;
- } else if (node?.attributes?.textContent) {
- str = node.attributes.textContent;
- } else if (node.value) {
- str = node.value;
- }
- if (str !== null) {
- items.push({
- str
- });
- }
- if (!node.children) {
- return;
- }
- for (const child of node.children) {
- walk(child);
- }
- }
- walk(xfa);
- return output;
- }
- static shouldBuildText(name) {
- return !(name === "textarea" || name === "input" || name === "option" || name === "select");
- }
- }
- exports.XfaText = XfaText;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0;
- var _base_factory = __w_pdfjs_require__(7);
- ;
- const fetchData = function (url) {
- return new Promise((resolve, reject) => {
- const fs = require("fs");
- fs.readFile(url, (error, data) => {
- if (error || !data) {
- reject(new Error(error));
- return;
- }
- resolve(new Uint8Array(data));
- });
- });
- };
- class NodeCanvasFactory extends _base_factory.BaseCanvasFactory {
- _createCanvas(width, height) {
- const Canvas = require("canvas");
- return Canvas.createCanvas(width, height);
- }
- }
- exports.NodeCanvasFactory = NodeCanvasFactory;
- class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
- _fetchData(url, compressionType) {
- return fetchData(url).then(data => {
- return {
- cMapData: data,
- compressionType
- };
- });
- }
- }
- exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
- class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
- _fetchData(url) {
- return fetchData(url);
- }
- }
- exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory;
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.TextLayerRenderTask = void 0;
- exports.renderTextLayer = renderTextLayer;
- exports.updateTextLayer = updateTextLayer;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- const MAX_TEXT_DIVS_TO_RENDER = 100000;
- const DEFAULT_FONT_SIZE = 30;
- const DEFAULT_FONT_ASCENT = 0.8;
- const ascentCache = new Map();
- function getCtx(size, isOffscreenCanvasSupported) {
- let ctx;
- if (isOffscreenCanvasSupported && _util.FeatureTest.isOffscreenCanvasSupported) {
- ctx = new OffscreenCanvas(size, size).getContext("2d", {
- alpha: false
- });
- } else {
- const canvas = document.createElement("canvas");
- canvas.width = canvas.height = size;
- ctx = canvas.getContext("2d", {
- alpha: false
- });
- }
- return ctx;
- }
- function getAscent(fontFamily, isOffscreenCanvasSupported) {
- const cachedAscent = ascentCache.get(fontFamily);
- if (cachedAscent) {
- return cachedAscent;
- }
- const ctx = getCtx(DEFAULT_FONT_SIZE, isOffscreenCanvasSupported);
- ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`;
- const metrics = ctx.measureText("");
- let ascent = metrics.fontBoundingBoxAscent;
- let descent = Math.abs(metrics.fontBoundingBoxDescent);
- if (ascent) {
- const ratio = ascent / (ascent + descent);
- ascentCache.set(fontFamily, ratio);
- ctx.canvas.width = ctx.canvas.height = 0;
- return ratio;
- }
- ctx.strokeStyle = "red";
- ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
- ctx.strokeText("g", 0, 0);
- let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
- descent = 0;
- for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
- if (pixels[i] > 0) {
- descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
- break;
- }
- }
- ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
- ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
- pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
- ascent = 0;
- for (let i = 0, ii = pixels.length; i < ii; i += 4) {
- if (pixels[i] > 0) {
- ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
- break;
- }
- }
- ctx.canvas.width = ctx.canvas.height = 0;
- if (ascent) {
- const ratio = ascent / (ascent + descent);
- ascentCache.set(fontFamily, ratio);
- return ratio;
- }
- ascentCache.set(fontFamily, DEFAULT_FONT_ASCENT);
- return DEFAULT_FONT_ASCENT;
- }
- function appendText(task, geom, styles) {
- const textDiv = document.createElement("span");
- const textDivProperties = {
- angle: 0,
- canvasWidth: 0,
- hasText: geom.str !== "",
- hasEOL: geom.hasEOL,
- fontSize: 0
- };
- task._textDivs.push(textDiv);
- const tx = _util.Util.transform(task._transform, geom.transform);
- let angle = Math.atan2(tx[1], tx[0]);
- const style = styles[geom.fontName];
- if (style.vertical) {
- angle += Math.PI / 2;
- }
- const fontHeight = Math.hypot(tx[2], tx[3]);
- const fontAscent = fontHeight * getAscent(style.fontFamily, task._isOffscreenCanvasSupported);
- let left, top;
- if (angle === 0) {
- left = tx[4];
- top = tx[5] - fontAscent;
- } else {
- left = tx[4] + fontAscent * Math.sin(angle);
- top = tx[5] - fontAscent * Math.cos(angle);
- }
- const scaleFactorStr = "calc(var(--scale-factor)*";
- const divStyle = textDiv.style;
- if (task._container === task._rootContainer) {
- divStyle.left = `${(100 * left / task._pageWidth).toFixed(2)}%`;
- divStyle.top = `${(100 * top / task._pageHeight).toFixed(2)}%`;
- } else {
- divStyle.left = `${scaleFactorStr}${left.toFixed(2)}px)`;
- divStyle.top = `${scaleFactorStr}${top.toFixed(2)}px)`;
- }
- divStyle.fontSize = `${scaleFactorStr}${fontHeight.toFixed(2)}px)`;
- divStyle.fontFamily = style.fontFamily;
- textDivProperties.fontSize = fontHeight;
- textDiv.setAttribute("role", "presentation");
- textDiv.textContent = geom.str;
- textDiv.dir = geom.dir;
- if (task._fontInspectorEnabled) {
- textDiv.dataset.fontName = geom.fontName;
- }
- if (angle !== 0) {
- textDivProperties.angle = angle * (180 / Math.PI);
- }
- let shouldScaleText = false;
- if (geom.str.length > 1) {
- shouldScaleText = true;
- } else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
- const absScaleX = Math.abs(geom.transform[0]),
- absScaleY = Math.abs(geom.transform[3]);
- if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
- shouldScaleText = true;
- }
- }
- if (shouldScaleText) {
- textDivProperties.canvasWidth = style.vertical ? geom.height : geom.width;
- }
- task._textDivProperties.set(textDiv, textDivProperties);
- if (task._isReadableStream) {
- task._layoutText(textDiv);
- }
- }
- function layout(params) {
- const {
- div,
- scale,
- properties,
- ctx,
- prevFontSize,
- prevFontFamily
- } = params;
- const {
- style
- } = div;
- let transform = "";
- if (properties.canvasWidth !== 0 && properties.hasText) {
- const {
- fontFamily
- } = style;
- const {
- canvasWidth,
- fontSize
- } = properties;
- if (prevFontSize !== fontSize || prevFontFamily !== fontFamily) {
- ctx.font = `${fontSize * scale}px ${fontFamily}`;
- params.prevFontSize = fontSize;
- params.prevFontFamily = fontFamily;
- }
- const {
- width
- } = ctx.measureText(div.textContent);
- if (width > 0) {
- transform = `scaleX(${canvasWidth * scale / width})`;
- }
- }
- if (properties.angle !== 0) {
- transform = `rotate(${properties.angle}deg) ${transform}`;
- }
- if (transform.length > 0) {
- style.transform = transform;
- }
- }
- function render(task) {
- if (task._canceled) {
- return;
- }
- const textDivs = task._textDivs;
- const capability = task._capability;
- const textDivsLength = textDivs.length;
- if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
- capability.resolve();
- return;
- }
- if (!task._isReadableStream) {
- for (const textDiv of textDivs) {
- task._layoutText(textDiv);
- }
- }
- capability.resolve();
- }
- class TextLayerRenderTask {
- constructor({
- textContentSource,
- container,
- viewport,
- textDivs,
- textDivProperties,
- textContentItemsStr,
- isOffscreenCanvasSupported
- }) {
- this._textContentSource = textContentSource;
- this._isReadableStream = textContentSource instanceof ReadableStream;
- this._container = this._rootContainer = container;
- this._textDivs = textDivs || [];
- this._textContentItemsStr = textContentItemsStr || [];
- this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
- this._reader = null;
- this._textDivProperties = textDivProperties || new WeakMap();
- this._canceled = false;
- this._capability = (0, _util.createPromiseCapability)();
- this._layoutTextParams = {
- prevFontSize: null,
- prevFontFamily: null,
- div: null,
- scale: viewport.scale * (globalThis.devicePixelRatio || 1),
- properties: null,
- ctx: getCtx(0, isOffscreenCanvasSupported)
- };
- const {
- pageWidth,
- pageHeight,
- pageX,
- pageY
- } = viewport.rawDims;
- this._transform = [1, 0, 0, -1, -pageX, pageY + pageHeight];
- this._pageWidth = pageWidth;
- this._pageHeight = pageHeight;
- (0, _display_utils.setLayerDimensions)(container, viewport);
- this._capability.promise.finally(() => {
- this._layoutTextParams = null;
- }).catch(() => {});
- }
- get promise() {
- return this._capability.promise;
- }
- cancel() {
- this._canceled = true;
- if (this._reader) {
- this._reader.cancel(new _util.AbortException("TextLayer task cancelled.")).catch(() => {});
- this._reader = null;
- }
- this._capability.reject(new _util.AbortException("TextLayer task cancelled."));
- }
- _processItems(items, styleCache) {
- for (const item of items) {
- if (item.str === undefined) {
- if (item.type === "beginMarkedContentProps" || item.type === "beginMarkedContent") {
- const parent = this._container;
- this._container = document.createElement("span");
- this._container.classList.add("markedContent");
- if (item.id !== null) {
- this._container.setAttribute("id", `${item.id}`);
- }
- parent.append(this._container);
- } else if (item.type === "endMarkedContent") {
- this._container = this._container.parentNode;
- }
- continue;
- }
- this._textContentItemsStr.push(item.str);
- appendText(this, item, styleCache);
- }
- }
- _layoutText(textDiv) {
- const textDivProperties = this._layoutTextParams.properties = this._textDivProperties.get(textDiv);
- this._layoutTextParams.div = textDiv;
- layout(this._layoutTextParams);
- if (textDivProperties.hasText) {
- this._container.append(textDiv);
- }
- if (textDivProperties.hasEOL) {
- const br = document.createElement("br");
- br.setAttribute("role", "presentation");
- this._container.append(br);
- }
- }
- _render() {
- const capability = (0, _util.createPromiseCapability)();
- let styleCache = Object.create(null);
- if (this._isReadableStream) {
- const pump = () => {
- this._reader.read().then(({
- value,
- done
- }) => {
- if (done) {
- capability.resolve();
- return;
- }
- Object.assign(styleCache, value.styles);
- this._processItems(value.items, styleCache);
- pump();
- }, capability.reject);
- };
- this._reader = this._textContentSource.getReader();
- pump();
- } else if (this._textContentSource) {
- const {
- items,
- styles
- } = this._textContentSource;
- this._processItems(items, styles);
- capability.resolve();
- } else {
- throw new Error('No "textContentSource" parameter specified.');
- }
- capability.promise.then(() => {
- styleCache = null;
- render(this);
- }, this._capability.reject);
- }
- }
- exports.TextLayerRenderTask = TextLayerRenderTask;
- function renderTextLayer(params) {
- if (!params.textContentSource && (params.textContent || params.textContentStream)) {
- (0, _display_utils.deprecated)("The TextLayerRender `textContent`/`textContentStream` parameters " + "will be removed in the future, please use `textContentSource` instead.");
- params.textContentSource = params.textContent || params.textContentStream;
- }
- const task = new TextLayerRenderTask(params);
- task._render();
- return task;
- }
- function updateTextLayer({
- container,
- viewport,
- textDivs,
- textDivProperties,
- isOffscreenCanvasSupported,
- mustRotate = true,
- mustRescale = true
- }) {
- if (mustRotate) {
- (0, _display_utils.setLayerDimensions)(container, {
- rotation: viewport.rotation
- });
- }
- if (mustRescale) {
- const ctx = getCtx(0, isOffscreenCanvasSupported);
- const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
- const params = {
- prevFontSize: null,
- prevFontFamily: null,
- div: null,
- scale,
- properties: null,
- ctx
- };
- for (const div of textDivs) {
- params.properties = textDivProperties.get(div);
- params.div = div;
- layout(params);
- }
- }
- }
- /***/ }),
- /* 22 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.AnnotationEditorLayer = void 0;
- var _util = __w_pdfjs_require__(1);
- var _tools = __w_pdfjs_require__(5);
- var _freetext = __w_pdfjs_require__(23);
- var _ink = __w_pdfjs_require__(24);
- var _display_utils = __w_pdfjs_require__(6);
- class AnnotationEditorLayer {
- #accessibilityManager;
- #allowClick = false;
- #boundPointerup = this.pointerup.bind(this);
- #boundPointerdown = this.pointerdown.bind(this);
- #editors = new Map();
- #hadPointerDown = false;
- #isCleaningUp = false;
- #uiManager;
- static _initialized = false;
- constructor(options) {
- if (!AnnotationEditorLayer._initialized) {
- AnnotationEditorLayer._initialized = true;
- _freetext.FreeTextEditor.initialize(options.l10n);
- _ink.InkEditor.initialize(options.l10n);
- }
- options.uiManager.registerEditorTypes([_freetext.FreeTextEditor, _ink.InkEditor]);
- this.#uiManager = options.uiManager;
- this.pageIndex = options.pageIndex;
- this.div = options.div;
- this.#accessibilityManager = options.accessibilityManager;
- this.#uiManager.addLayer(this);
- }
- updateToolbar(mode) {
- this.#uiManager.updateToolbar(mode);
- }
- updateMode(mode = this.#uiManager.getMode()) {
- this.#cleanup();
- if (mode === _util.AnnotationEditorType.INK) {
- this.addInkEditorIfNeeded(false);
- this.disableClick();
- } else {
- this.enableClick();
- }
- this.#uiManager.unselectAll();
- this.div.classList.toggle("freeTextEditing", mode === _util.AnnotationEditorType.FREETEXT);
- this.div.classList.toggle("inkEditing", mode === _util.AnnotationEditorType.INK);
- }
- addInkEditorIfNeeded(isCommitting) {
- if (!isCommitting && this.#uiManager.getMode() !== _util.AnnotationEditorType.INK) {
- return;
- }
- if (!isCommitting) {
- for (const editor of this.#editors.values()) {
- if (editor.isEmpty()) {
- editor.setInBackground();
- return;
- }
- }
- }
- const editor = this.#createAndAddNewEditor({
- offsetX: 0,
- offsetY: 0
- });
- editor.setInBackground();
- }
- setEditingState(isEditing) {
- this.#uiManager.setEditingState(isEditing);
- }
- addCommands(params) {
- this.#uiManager.addCommands(params);
- }
- enable() {
- this.div.style.pointerEvents = "auto";
- for (const editor of this.#editors.values()) {
- editor.enableEditing();
- }
- }
- disable() {
- this.div.style.pointerEvents = "none";
- for (const editor of this.#editors.values()) {
- editor.disableEditing();
- }
- }
- setActiveEditor(editor) {
- const currentActive = this.#uiManager.getActive();
- if (currentActive === editor) {
- return;
- }
- this.#uiManager.setActiveEditor(editor);
- }
- enableClick() {
- this.div.addEventListener("pointerdown", this.#boundPointerdown);
- this.div.addEventListener("pointerup", this.#boundPointerup);
- }
- disableClick() {
- this.div.removeEventListener("pointerdown", this.#boundPointerdown);
- this.div.removeEventListener("pointerup", this.#boundPointerup);
- }
- attach(editor) {
- this.#editors.set(editor.id, editor);
- }
- detach(editor) {
- this.#editors.delete(editor.id);
- this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
- }
- remove(editor) {
- this.#uiManager.removeEditor(editor);
- this.detach(editor);
- editor.div.style.display = "none";
- setTimeout(() => {
- editor.div.style.display = "";
- editor.div.remove();
- editor.isAttachedToDOM = false;
- if (document.activeElement === document.body) {
- this.#uiManager.focusMainContainer();
- }
- }, 0);
- if (!this.#isCleaningUp) {
- this.addInkEditorIfNeeded(false);
- }
- }
- #changeParent(editor) {
- if (editor.parent === this) {
- return;
- }
- this.attach(editor);
- editor.parent?.detach(editor);
- editor.setParent(this);
- if (editor.div && editor.isAttachedToDOM) {
- editor.div.remove();
- this.div.append(editor.div);
- }
- }
- add(editor) {
- this.#changeParent(editor);
- this.#uiManager.addEditor(editor);
- this.attach(editor);
- if (!editor.isAttachedToDOM) {
- const div = editor.render();
- this.div.append(div);
- editor.isAttachedToDOM = true;
- }
- this.moveEditorInDOM(editor);
- editor.onceAdded();
- this.#uiManager.addToAnnotationStorage(editor);
- }
- moveEditorInDOM(editor) {
- this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true);
- }
- addOrRebuild(editor) {
- if (editor.needsToBeRebuilt()) {
- editor.rebuild();
- } else {
- this.add(editor);
- }
- }
- addANewEditor(editor) {
- const cmd = () => {
- this.addOrRebuild(editor);
- };
- const undo = () => {
- editor.remove();
- };
- this.addCommands({
- cmd,
- undo,
- mustExec: true
- });
- }
- addUndoableEditor(editor) {
- const cmd = () => {
- this.addOrRebuild(editor);
- };
- const undo = () => {
- editor.remove();
- };
- this.addCommands({
- cmd,
- undo,
- mustExec: false
- });
- }
- getNextId() {
- return this.#uiManager.getId();
- }
- #createNewEditor(params) {
- switch (this.#uiManager.getMode()) {
- case _util.AnnotationEditorType.FREETEXT:
- return new _freetext.FreeTextEditor(params);
- case _util.AnnotationEditorType.INK:
- return new _ink.InkEditor(params);
- }
- return null;
- }
- deserialize(data) {
- switch (data.annotationType) {
- case _util.AnnotationEditorType.FREETEXT:
- return _freetext.FreeTextEditor.deserialize(data, this, this.#uiManager);
- case _util.AnnotationEditorType.INK:
- return _ink.InkEditor.deserialize(data, this, this.#uiManager);
- }
- return null;
- }
- #createAndAddNewEditor(event) {
- const id = this.getNextId();
- const editor = this.#createNewEditor({
- parent: this,
- id,
- x: event.offsetX,
- y: event.offsetY,
- uiManager: this.#uiManager
- });
- if (editor) {
- this.add(editor);
- }
- return editor;
- }
- setSelected(editor) {
- this.#uiManager.setSelected(editor);
- }
- toggleSelected(editor) {
- this.#uiManager.toggleSelected(editor);
- }
- isSelected(editor) {
- return this.#uiManager.isSelected(editor);
- }
- unselect(editor) {
- this.#uiManager.unselect(editor);
- }
- pointerup(event) {
- const {
- isMac
- } = _util.FeatureTest.platform;
- if (event.button !== 0 || event.ctrlKey && isMac) {
- return;
- }
- if (event.target !== this.div) {
- return;
- }
- if (!this.#hadPointerDown) {
- return;
- }
- this.#hadPointerDown = false;
- if (!this.#allowClick) {
- this.#allowClick = true;
- return;
- }
- this.#createAndAddNewEditor(event);
- }
- pointerdown(event) {
- const {
- isMac
- } = _util.FeatureTest.platform;
- if (event.button !== 0 || event.ctrlKey && isMac) {
- return;
- }
- if (event.target !== this.div) {
- return;
- }
- this.#hadPointerDown = true;
- const editor = this.#uiManager.getActive();
- this.#allowClick = !editor || editor.isEmpty();
- }
- drop(event) {
- const id = event.dataTransfer.getData("text/plain");
- const editor = this.#uiManager.getEditor(id);
- if (!editor) {
- return;
- }
- event.preventDefault();
- event.dataTransfer.dropEffect = "move";
- this.#changeParent(editor);
- const rect = this.div.getBoundingClientRect();
- const endX = event.clientX - rect.x;
- const endY = event.clientY - rect.y;
- editor.translate(endX - editor.startX, endY - editor.startY);
- this.moveEditorInDOM(editor);
- editor.div.focus();
- }
- dragover(event) {
- event.preventDefault();
- }
- destroy() {
- if (this.#uiManager.getActive()?.parent === this) {
- this.#uiManager.setActiveEditor(null);
- }
- for (const editor of this.#editors.values()) {
- this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
- editor.setParent(null);
- editor.isAttachedToDOM = false;
- editor.div.remove();
- }
- this.div = null;
- this.#editors.clear();
- this.#uiManager.removeLayer(this);
- }
- #cleanup() {
- this.#isCleaningUp = true;
- for (const editor of this.#editors.values()) {
- if (editor.isEmpty()) {
- editor.remove();
- }
- }
- this.#isCleaningUp = false;
- }
- render({
- viewport
- }) {
- this.viewport = viewport;
- (0, _display_utils.setLayerDimensions)(this.div, viewport);
- (0, _tools.bindEvents)(this, this.div, ["dragover", "drop"]);
- for (const editor of this.#uiManager.getEditors(this.pageIndex)) {
- this.add(editor);
- }
- this.updateMode();
- }
- update({
- viewport
- }) {
- this.#uiManager.commitOrRemove();
- this.viewport = viewport;
- (0, _display_utils.setLayerDimensions)(this.div, {
- rotation: viewport.rotation
- });
- this.updateMode();
- }
- get pageDimensions() {
- const {
- pageWidth,
- pageHeight
- } = this.viewport.rawDims;
- return [pageWidth, pageHeight];
- }
- }
- exports.AnnotationEditorLayer = AnnotationEditorLayer;
- /***/ }),
- /* 23 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.FreeTextEditor = void 0;
- var _util = __w_pdfjs_require__(1);
- var _tools = __w_pdfjs_require__(5);
- var _editor = __w_pdfjs_require__(4);
- class FreeTextEditor extends _editor.AnnotationEditor {
- #boundEditorDivBlur = this.editorDivBlur.bind(this);
- #boundEditorDivFocus = this.editorDivFocus.bind(this);
- #boundEditorDivInput = this.editorDivInput.bind(this);
- #boundEditorDivKeydown = this.editorDivKeydown.bind(this);
- #color;
- #content = "";
- #editorDivId = `${this.id}-editor`;
- #hasAlreadyBeenCommitted = false;
- #fontSize;
- static _freeTextDefaultContent = "";
- static _l10nPromise;
- static _internalPadding = 0;
- static _defaultColor = null;
- static _defaultFontSize = 10;
- static _keyboardManager = new _tools.KeyboardManager([[["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], FreeTextEditor.prototype.commitOrRemove]]);
- static _type = "freetext";
- constructor(params) {
- super({
- ...params,
- name: "freeTextEditor"
- });
- this.#color = params.color || FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
- this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize;
- }
- static initialize(l10n) {
- this._l10nPromise = new Map(["free_text2_default_content", "editor_free_text2_aria_label"].map(str => [str, l10n.get(str)]));
- const style = getComputedStyle(document.documentElement);
- this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding"));
- }
- static updateDefaultParams(type, value) {
- switch (type) {
- case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
- FreeTextEditor._defaultFontSize = value;
- break;
- case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
- FreeTextEditor._defaultColor = value;
- break;
- }
- }
- updateParams(type, value) {
- switch (type) {
- case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
- this.#updateFontSize(value);
- break;
- case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
- this.#updateColor(value);
- break;
- }
- }
- static get defaultPropertiesToUpdate() {
- return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, FreeTextEditor._defaultFontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor]];
- }
- get propertiesToUpdate() {
- return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, this.#fontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, this.#color]];
- }
- #updateFontSize(fontSize) {
- const setFontsize = size => {
- this.editorDiv.style.fontSize = `calc(${size}px * var(--scale-factor))`;
- this.translate(0, -(size - this.#fontSize) * this.parentScale);
- this.#fontSize = size;
- this.#setEditorDimensions();
- };
- const savedFontsize = this.#fontSize;
- this.addCommands({
- cmd: () => {
- setFontsize(fontSize);
- },
- undo: () => {
- setFontsize(savedFontsize);
- },
- mustExec: true,
- type: _util.AnnotationEditorParamsType.FREETEXT_SIZE,
- overwriteIfSameType: true,
- keepUndo: true
- });
- }
- #updateColor(color) {
- const savedColor = this.#color;
- this.addCommands({
- cmd: () => {
- this.#color = this.editorDiv.style.color = color;
- },
- undo: () => {
- this.#color = this.editorDiv.style.color = savedColor;
- },
- mustExec: true,
- type: _util.AnnotationEditorParamsType.FREETEXT_COLOR,
- overwriteIfSameType: true,
- keepUndo: true
- });
- }
- getInitialTranslation() {
- const scale = this.parentScale;
- return [-FreeTextEditor._internalPadding * scale, -(FreeTextEditor._internalPadding + this.#fontSize) * scale];
- }
- rebuild() {
- super.rebuild();
- if (this.div === null) {
- return;
- }
- if (!this.isAttachedToDOM) {
- this.parent.add(this);
- }
- }
- enableEditMode() {
- if (this.isInEditMode()) {
- return;
- }
- this.parent.setEditingState(false);
- this.parent.updateToolbar(_util.AnnotationEditorType.FREETEXT);
- super.enableEditMode();
- this.overlayDiv.classList.remove("enabled");
- this.editorDiv.contentEditable = true;
- this.div.draggable = false;
- this.div.removeAttribute("aria-activedescendant");
- this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown);
- this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus);
- this.editorDiv.addEventListener("blur", this.#boundEditorDivBlur);
- this.editorDiv.addEventListener("input", this.#boundEditorDivInput);
- }
- disableEditMode() {
- if (!this.isInEditMode()) {
- return;
- }
- this.parent.setEditingState(true);
- super.disableEditMode();
- this.overlayDiv.classList.add("enabled");
- this.editorDiv.contentEditable = false;
- this.div.setAttribute("aria-activedescendant", this.#editorDivId);
- this.div.draggable = true;
- this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown);
- this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus);
- this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur);
- this.editorDiv.removeEventListener("input", this.#boundEditorDivInput);
- this.div.focus({
- preventScroll: true
- });
- this.isEditing = false;
- this.parent.div.classList.add("freeTextEditing");
- }
- focusin(event) {
- super.focusin(event);
- if (event.target !== this.editorDiv) {
- this.editorDiv.focus();
- }
- }
- onceAdded() {
- if (this.width) {
- return;
- }
- this.enableEditMode();
- this.editorDiv.focus();
- }
- isEmpty() {
- return !this.editorDiv || this.editorDiv.innerText.trim() === "";
- }
- remove() {
- this.isEditing = false;
- this.parent.setEditingState(true);
- this.parent.div.classList.add("freeTextEditing");
- super.remove();
- }
- #extractText() {
- const divs = this.editorDiv.getElementsByTagName("div");
- if (divs.length === 0) {
- return this.editorDiv.innerText;
- }
- const buffer = [];
- for (const div of divs) {
- buffer.push(div.innerText.replace(/\r\n?|\n/, ""));
- }
- return buffer.join("\n");
- }
- #setEditorDimensions() {
- const [parentWidth, parentHeight] = this.parentDimensions;
- let rect;
- if (this.isAttachedToDOM) {
- rect = this.div.getBoundingClientRect();
- } else {
- const {
- currentLayer,
- div
- } = this;
- const savedDisplay = div.style.display;
- div.style.display = "hidden";
- currentLayer.div.append(this.div);
- rect = div.getBoundingClientRect();
- div.remove();
- div.style.display = savedDisplay;
- }
- this.width = rect.width / parentWidth;
- this.height = rect.height / parentHeight;
- }
- commit() {
- if (!this.isInEditMode()) {
- return;
- }
- super.commit();
- if (!this.#hasAlreadyBeenCommitted) {
- this.#hasAlreadyBeenCommitted = true;
- this.parent.addUndoableEditor(this);
- }
- this.disableEditMode();
- this.#content = this.#extractText().trimEnd();
- this.#setEditorDimensions();
- }
- shouldGetKeyboardEvents() {
- return this.isInEditMode();
- }
- dblclick(event) {
- this.enableEditMode();
- this.editorDiv.focus();
- }
- keydown(event) {
- if (event.target === this.div && event.key === "Enter") {
- this.enableEditMode();
- this.editorDiv.focus();
- }
- }
- editorDivKeydown(event) {
- FreeTextEditor._keyboardManager.exec(this, event);
- }
- editorDivFocus(event) {
- this.isEditing = true;
- }
- editorDivBlur(event) {
- this.isEditing = false;
- }
- editorDivInput(event) {
- this.parent.div.classList.toggle("freeTextEditing", this.isEmpty());
- }
- disableEditing() {
- this.editorDiv.setAttribute("role", "comment");
- this.editorDiv.removeAttribute("aria-multiline");
- }
- enableEditing() {
- this.editorDiv.setAttribute("role", "textbox");
- this.editorDiv.setAttribute("aria-multiline", true);
- }
- render() {
- if (this.div) {
- return this.div;
- }
- let baseX, baseY;
- if (this.width) {
- baseX = this.x;
- baseY = this.y;
- }
- super.render();
- this.editorDiv = document.createElement("div");
- this.editorDiv.className = "internal";
- this.editorDiv.setAttribute("id", this.#editorDivId);
- this.enableEditing();
- FreeTextEditor._l10nPromise.get("editor_free_text2_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg));
- FreeTextEditor._l10nPromise.get("free_text2_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg));
- this.editorDiv.contentEditable = true;
- const {
- style
- } = this.editorDiv;
- style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
- style.color = this.#color;
- this.div.append(this.editorDiv);
- this.overlayDiv = document.createElement("div");
- this.overlayDiv.classList.add("overlay", "enabled");
- this.div.append(this.overlayDiv);
- (0, _tools.bindEvents)(this, this.div, ["dblclick", "keydown"]);
- if (this.width) {
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
- for (const line of this.#content.split("\n")) {
- const div = document.createElement("div");
- div.append(line ? document.createTextNode(line) : document.createElement("br"));
- this.editorDiv.append(div);
- }
- this.div.draggable = true;
- this.editorDiv.contentEditable = false;
- } else {
- this.div.draggable = false;
- this.editorDiv.contentEditable = true;
- }
- return this.div;
- }
- get contentDiv() {
- return this.editorDiv;
- }
- static deserialize(data, parent, uiManager) {
- const editor = super.deserialize(data, parent, uiManager);
- editor.#fontSize = data.fontSize;
- editor.#color = _util.Util.makeHexColor(...data.color);
- editor.#content = data.value;
- return editor;
- }
- serialize() {
- if (this.isEmpty()) {
- return null;
- }
- const padding = FreeTextEditor._internalPadding * this.parentScale;
- const rect = this.getRect(padding, padding);
- const color = _editor.AnnotationEditor._colorManager.convert(this.isAttachedToDOM ? getComputedStyle(this.editorDiv).color : this.#color);
- return {
- annotationType: _util.AnnotationEditorType.FREETEXT,
- color,
- fontSize: this.#fontSize,
- value: this.#content,
- pageIndex: this.pageIndex,
- rect,
- rotation: this.rotation
- };
- }
- }
- exports.FreeTextEditor = FreeTextEditor;
- /***/ }),
- /* 24 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.InkEditor = void 0;
- Object.defineProperty(exports, "fitCurve", ({
- enumerable: true,
- get: function () {
- return _pdfjsFitCurve.fitCurve;
- }
- }));
- var _util = __w_pdfjs_require__(1);
- var _editor = __w_pdfjs_require__(4);
- var _pdfjsFitCurve = __w_pdfjs_require__(25);
- var _tools = __w_pdfjs_require__(5);
- const RESIZER_SIZE = 16;
- const TIME_TO_WAIT_BEFORE_FIXING_DIMS = 100;
- class InkEditor extends _editor.AnnotationEditor {
- #aspectRatio = 0;
- #baseHeight = 0;
- #baseWidth = 0;
- #boundCanvasPointermove = this.canvasPointermove.bind(this);
- #boundCanvasPointerleave = this.canvasPointerleave.bind(this);
- #boundCanvasPointerup = this.canvasPointerup.bind(this);
- #boundCanvasPointerdown = this.canvasPointerdown.bind(this);
- #disableEditing = false;
- #isCanvasInitialized = false;
- #lastPoint = null;
- #observer = null;
- #realWidth = 0;
- #realHeight = 0;
- #requestFrameCallback = null;
- static _defaultColor = null;
- static _defaultOpacity = 1;
- static _defaultThickness = 1;
- static _l10nPromise;
- static _type = "ink";
- constructor(params) {
- super({
- ...params,
- name: "inkEditor"
- });
- this.color = params.color || null;
- this.thickness = params.thickness || null;
- this.opacity = params.opacity || null;
- this.paths = [];
- this.bezierPath2D = [];
- this.currentPath = [];
- this.scaleFactor = 1;
- this.translationX = this.translationY = 0;
- this.x = 0;
- this.y = 0;
- }
- static initialize(l10n) {
- this._l10nPromise = new Map(["editor_ink_canvas_aria_label", "editor_ink2_aria_label"].map(str => [str, l10n.get(str)]));
- }
- static updateDefaultParams(type, value) {
- switch (type) {
- case _util.AnnotationEditorParamsType.INK_THICKNESS:
- InkEditor._defaultThickness = value;
- break;
- case _util.AnnotationEditorParamsType.INK_COLOR:
- InkEditor._defaultColor = value;
- break;
- case _util.AnnotationEditorParamsType.INK_OPACITY:
- InkEditor._defaultOpacity = value / 100;
- break;
- }
- }
- updateParams(type, value) {
- switch (type) {
- case _util.AnnotationEditorParamsType.INK_THICKNESS:
- this.#updateThickness(value);
- break;
- case _util.AnnotationEditorParamsType.INK_COLOR:
- this.#updateColor(value);
- break;
- case _util.AnnotationEditorParamsType.INK_OPACITY:
- this.#updateOpacity(value);
- break;
- }
- }
- static get defaultPropertiesToUpdate() {
- return [[_util.AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]];
- }
- get propertiesToUpdate() {
- return [[_util.AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]];
- }
- #updateThickness(thickness) {
- const savedThickness = this.thickness;
- this.addCommands({
- cmd: () => {
- this.thickness = thickness;
- this.#fitToContent();
- },
- undo: () => {
- this.thickness = savedThickness;
- this.#fitToContent();
- },
- mustExec: true,
- type: _util.AnnotationEditorParamsType.INK_THICKNESS,
- overwriteIfSameType: true,
- keepUndo: true
- });
- }
- #updateColor(color) {
- const savedColor = this.color;
- this.addCommands({
- cmd: () => {
- this.color = color;
- this.#redraw();
- },
- undo: () => {
- this.color = savedColor;
- this.#redraw();
- },
- mustExec: true,
- type: _util.AnnotationEditorParamsType.INK_COLOR,
- overwriteIfSameType: true,
- keepUndo: true
- });
- }
- #updateOpacity(opacity) {
- opacity /= 100;
- const savedOpacity = this.opacity;
- this.addCommands({
- cmd: () => {
- this.opacity = opacity;
- this.#redraw();
- },
- undo: () => {
- this.opacity = savedOpacity;
- this.#redraw();
- },
- mustExec: true,
- type: _util.AnnotationEditorParamsType.INK_OPACITY,
- overwriteIfSameType: true,
- keepUndo: true
- });
- }
- rebuild() {
- super.rebuild();
- if (this.div === null) {
- return;
- }
- if (!this.canvas) {
- this.#createCanvas();
- this.#createObserver();
- }
- if (!this.isAttachedToDOM) {
- this.parent.add(this);
- this.#setCanvasDims();
- }
- this.#fitToContent();
- }
- remove() {
- if (this.canvas === null) {
- return;
- }
- if (!this.isEmpty()) {
- this.commit();
- }
- this.canvas.width = this.canvas.height = 0;
- this.canvas.remove();
- this.canvas = null;
- this.#observer.disconnect();
- this.#observer = null;
- super.remove();
- }
- setParent(parent) {
- if (!this.parent && parent) {
- this._uiManager.removeShouldRescale(this);
- } else if (this.parent && parent === null) {
- this._uiManager.addShouldRescale(this);
- }
- super.setParent(parent);
- }
- onScaleChanging() {
- const [parentWidth, parentHeight] = this.parentDimensions;
- const width = this.width * parentWidth;
- const height = this.height * parentHeight;
- this.setDimensions(width, height);
- }
- enableEditMode() {
- if (this.#disableEditing || this.canvas === null) {
- return;
- }
- super.enableEditMode();
- this.div.draggable = false;
- this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown);
- this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup);
- }
- disableEditMode() {
- if (!this.isInEditMode() || this.canvas === null) {
- return;
- }
- super.disableEditMode();
- this.div.draggable = !this.isEmpty();
- this.div.classList.remove("editing");
- this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown);
- this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup);
- }
- onceAdded() {
- this.div.draggable = !this.isEmpty();
- }
- isEmpty() {
- return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0;
- }
- #getInitialBBox() {
- const {
- parentRotation,
- parentDimensions: [width, height]
- } = this;
- switch (parentRotation) {
- case 90:
- return [0, height, height, width];
- case 180:
- return [width, height, width, height];
- case 270:
- return [width, 0, height, width];
- default:
- return [0, 0, width, height];
- }
- }
- #setStroke() {
- const {
- ctx,
- color,
- opacity,
- thickness,
- parentScale,
- scaleFactor
- } = this;
- ctx.lineWidth = thickness * parentScale / scaleFactor;
- ctx.lineCap = "round";
- ctx.lineJoin = "round";
- ctx.miterLimit = 10;
- ctx.strokeStyle = `${color}${(0, _tools.opacityToHex)(opacity)}`;
- }
- #startDrawing(x, y) {
- this.isEditing = true;
- if (!this.#isCanvasInitialized) {
- this.#isCanvasInitialized = true;
- this.#setCanvasDims();
- this.thickness ||= InkEditor._defaultThickness;
- this.color ||= InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
- this.opacity ??= InkEditor._defaultOpacity;
- }
- this.currentPath.push([x, y]);
- this.#lastPoint = null;
- this.#setStroke();
- this.ctx.beginPath();
- this.ctx.moveTo(x, y);
- this.#requestFrameCallback = () => {
- if (!this.#requestFrameCallback) {
- return;
- }
- if (this.#lastPoint) {
- if (this.isEmpty()) {
- this.ctx.setTransform(1, 0, 0, 1, 0, 0);
- this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
- } else {
- this.#redraw();
- }
- this.ctx.lineTo(...this.#lastPoint);
- this.#lastPoint = null;
- this.ctx.stroke();
- }
- window.requestAnimationFrame(this.#requestFrameCallback);
- };
- window.requestAnimationFrame(this.#requestFrameCallback);
- }
- #draw(x, y) {
- const [lastX, lastY] = this.currentPath.at(-1);
- if (x === lastX && y === lastY) {
- return;
- }
- this.currentPath.push([x, y]);
- this.#lastPoint = [x, y];
- }
- #stopDrawing(x, y) {
- this.ctx.closePath();
- this.#requestFrameCallback = null;
- x = Math.min(Math.max(x, 0), this.canvas.width);
- y = Math.min(Math.max(y, 0), this.canvas.height);
- const [lastX, lastY] = this.currentPath.at(-1);
- if (x !== lastX || y !== lastY) {
- this.currentPath.push([x, y]);
- }
- let bezier;
- if (this.currentPath.length !== 1) {
- bezier = (0, _pdfjsFitCurve.fitCurve)(this.currentPath, 30, null);
- } else {
- const xy = [x, y];
- bezier = [[xy, xy.slice(), xy.slice(), xy]];
- }
- const path2D = InkEditor.#buildPath2D(bezier);
- this.currentPath.length = 0;
- const cmd = () => {
- this.paths.push(bezier);
- this.bezierPath2D.push(path2D);
- this.rebuild();
- };
- const undo = () => {
- this.paths.pop();
- this.bezierPath2D.pop();
- if (this.paths.length === 0) {
- this.remove();
- } else {
- if (!this.canvas) {
- this.#createCanvas();
- this.#createObserver();
- }
- this.#fitToContent();
- }
- };
- this.addCommands({
- cmd,
- undo,
- mustExec: true
- });
- }
- #redraw() {
- if (this.isEmpty()) {
- this.#updateTransform();
- return;
- }
- this.#setStroke();
- const {
- canvas,
- ctx
- } = this;
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- ctx.clearRect(0, 0, canvas.width, canvas.height);
- this.#updateTransform();
- for (const path of this.bezierPath2D) {
- ctx.stroke(path);
- }
- }
- commit() {
- if (this.#disableEditing) {
- return;
- }
- super.commit();
- this.isEditing = false;
- this.disableEditMode();
- this.setInForeground();
- this.#disableEditing = true;
- this.div.classList.add("disabled");
- this.#fitToContent(true);
- this.parent.addInkEditorIfNeeded(true);
- this.parent.moveEditorInDOM(this);
- this.div.focus({
- preventScroll: true
- });
- }
- focusin(event) {
- super.focusin(event);
- this.enableEditMode();
- }
- canvasPointerdown(event) {
- if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) {
- return;
- }
- this.setInForeground();
- if (event.type !== "mouse") {
- this.div.focus();
- }
- event.stopPropagation();
- this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave);
- this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove);
- this.#startDrawing(event.offsetX, event.offsetY);
- }
- canvasPointermove(event) {
- event.stopPropagation();
- this.#draw(event.offsetX, event.offsetY);
- }
- canvasPointerup(event) {
- if (event.button !== 0) {
- return;
- }
- if (this.isInEditMode() && this.currentPath.length !== 0) {
- event.stopPropagation();
- this.#endDrawing(event);
- this.setInBackground();
- }
- }
- canvasPointerleave(event) {
- this.#endDrawing(event);
- this.setInBackground();
- }
- #endDrawing(event) {
- this.#stopDrawing(event.offsetX, event.offsetY);
- this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave);
- this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove);
- this.addToAnnotationStorage();
- }
- #createCanvas() {
- this.canvas = document.createElement("canvas");
- this.canvas.width = this.canvas.height = 0;
- this.canvas.className = "inkEditorCanvas";
- InkEditor._l10nPromise.get("editor_ink_canvas_aria_label").then(msg => this.canvas?.setAttribute("aria-label", msg));
- this.div.append(this.canvas);
- this.ctx = this.canvas.getContext("2d");
- }
- #createObserver() {
- let timeoutId = null;
- this.#observer = new ResizeObserver(entries => {
- const rect = entries[0].contentRect;
- if (rect.width && rect.height) {
- if (timeoutId !== null) {
- clearTimeout(timeoutId);
- }
- timeoutId = setTimeout(() => {
- this.fixDims();
- timeoutId = null;
- }, TIME_TO_WAIT_BEFORE_FIXING_DIMS);
- this.setDimensions(rect.width, rect.height);
- }
- });
- this.#observer.observe(this.div);
- }
- render() {
- if (this.div) {
- return this.div;
- }
- let baseX, baseY;
- if (this.width) {
- baseX = this.x;
- baseY = this.y;
- }
- super.render();
- InkEditor._l10nPromise.get("editor_ink2_aria_label").then(msg => this.div?.setAttribute("aria-label", msg));
- const [x, y, w, h] = this.#getInitialBBox();
- this.setAt(x, y, 0, 0);
- this.setDims(w, h);
- this.#createCanvas();
- if (this.width) {
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
- this.#isCanvasInitialized = true;
- this.#setCanvasDims();
- this.setDims(this.width * parentWidth, this.height * parentHeight);
- this.#redraw();
- this.#setMinDims();
- this.div.classList.add("disabled");
- } else {
- this.div.classList.add("editing");
- this.enableEditMode();
- }
- this.#createObserver();
- return this.div;
- }
- #setCanvasDims() {
- if (!this.#isCanvasInitialized) {
- return;
- }
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.canvas.width = Math.ceil(this.width * parentWidth);
- this.canvas.height = Math.ceil(this.height * parentHeight);
- this.#updateTransform();
- }
- setDimensions(width, height) {
- const roundedWidth = Math.round(width);
- const roundedHeight = Math.round(height);
- if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) {
- return;
- }
- this.#realWidth = roundedWidth;
- this.#realHeight = roundedHeight;
- this.canvas.style.visibility = "hidden";
- if (this.#aspectRatio && Math.abs(this.#aspectRatio - width / height) > 1e-2) {
- height = Math.ceil(width / this.#aspectRatio);
- this.setDims(width, height);
- }
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.width = width / parentWidth;
- this.height = height / parentHeight;
- if (this.#disableEditing) {
- this.#setScaleFactor(width, height);
- }
- this.#setCanvasDims();
- this.#redraw();
- this.canvas.style.visibility = "visible";
- }
- #setScaleFactor(width, height) {
- const padding = this.#getPadding();
- const scaleFactorW = (width - padding) / this.#baseWidth;
- const scaleFactorH = (height - padding) / this.#baseHeight;
- this.scaleFactor = Math.min(scaleFactorW, scaleFactorH);
- }
- #updateTransform() {
- const padding = this.#getPadding() / 2;
- this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding);
- }
- static #buildPath2D(bezier) {
- const path2D = new Path2D();
- for (let i = 0, ii = bezier.length; i < ii; i++) {
- const [first, control1, control2, second] = bezier[i];
- if (i === 0) {
- path2D.moveTo(...first);
- }
- path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]);
- }
- return path2D;
- }
- #serializePaths(s, tx, ty, h) {
- const NUMBER_OF_POINTS_ON_BEZIER_CURVE = 4;
- const paths = [];
- const padding = this.thickness / 2;
- let buffer, points;
- for (const bezier of this.paths) {
- buffer = [];
- points = [];
- for (let i = 0, ii = bezier.length; i < ii; i++) {
- const [first, control1, control2, second] = bezier[i];
- const p10 = s * (first[0] + tx) + padding;
- const p11 = h - s * (first[1] + ty) - padding;
- const p20 = s * (control1[0] + tx) + padding;
- const p21 = h - s * (control1[1] + ty) - padding;
- const p30 = s * (control2[0] + tx) + padding;
- const p31 = h - s * (control2[1] + ty) - padding;
- const p40 = s * (second[0] + tx) + padding;
- const p41 = h - s * (second[1] + ty) - padding;
- if (i === 0) {
- buffer.push(p10, p11);
- points.push(p10, p11);
- }
- buffer.push(p20, p21, p30, p31, p40, p41);
- this.#extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, NUMBER_OF_POINTS_ON_BEZIER_CURVE, points);
- }
- paths.push({
- bezier: buffer,
- points
- });
- }
- return paths;
- }
- #extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, n, points) {
- if (this.#isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41)) {
- points.push(p40, p41);
- return;
- }
- for (let i = 1; i < n - 1; i++) {
- const t = i / n;
- const mt = 1 - t;
- let q10 = t * p10 + mt * p20;
- let q11 = t * p11 + mt * p21;
- let q20 = t * p20 + mt * p30;
- let q21 = t * p21 + mt * p31;
- const q30 = t * p30 + mt * p40;
- const q31 = t * p31 + mt * p41;
- q10 = t * q10 + mt * q20;
- q11 = t * q11 + mt * q21;
- q20 = t * q20 + mt * q30;
- q21 = t * q21 + mt * q31;
- q10 = t * q10 + mt * q20;
- q11 = t * q11 + mt * q21;
- points.push(q10, q11);
- }
- points.push(p40, p41);
- }
- #isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41) {
- const tol = 10;
- const ax = (3 * p20 - 2 * p10 - p40) ** 2;
- const ay = (3 * p21 - 2 * p11 - p41) ** 2;
- const bx = (3 * p30 - p10 - 2 * p40) ** 2;
- const by = (3 * p31 - p11 - 2 * p41) ** 2;
- return Math.max(ax, bx) + Math.max(ay, by) <= tol;
- }
- #getBbox() {
- let xMin = Infinity;
- let xMax = -Infinity;
- let yMin = Infinity;
- let yMax = -Infinity;
- for (const path of this.paths) {
- for (const [first, control1, control2, second] of path) {
- const bbox = _util.Util.bezierBoundingBox(...first, ...control1, ...control2, ...second);
- xMin = Math.min(xMin, bbox[0]);
- yMin = Math.min(yMin, bbox[1]);
- xMax = Math.max(xMax, bbox[2]);
- yMax = Math.max(yMax, bbox[3]);
- }
- }
- return [xMin, yMin, xMax, yMax];
- }
- #getPadding() {
- return this.#disableEditing ? Math.ceil(this.thickness * this.parentScale) : 0;
- }
- #fitToContent(firstTime = false) {
- if (this.isEmpty()) {
- return;
- }
- if (!this.#disableEditing) {
- this.#redraw();
- return;
- }
- const bbox = this.#getBbox();
- const padding = this.#getPadding();
- this.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
- this.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
- const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor);
- const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor);
- const [parentWidth, parentHeight] = this.parentDimensions;
- this.width = width / parentWidth;
- this.height = height / parentHeight;
- this.#aspectRatio = width / height;
- this.#setMinDims();
- const prevTranslationX = this.translationX;
- const prevTranslationY = this.translationY;
- this.translationX = -bbox[0];
- this.translationY = -bbox[1];
- this.#setCanvasDims();
- this.#redraw();
- this.#realWidth = width;
- this.#realHeight = height;
- this.setDims(width, height);
- const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0;
- this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding);
- }
- #setMinDims() {
- const {
- style
- } = this.div;
- if (this.#aspectRatio >= 1) {
- style.minHeight = `${RESIZER_SIZE}px`;
- style.minWidth = `${Math.round(this.#aspectRatio * RESIZER_SIZE)}px`;
- } else {
- style.minWidth = `${RESIZER_SIZE}px`;
- style.minHeight = `${Math.round(RESIZER_SIZE / this.#aspectRatio)}px`;
- }
- }
- static deserialize(data, parent, uiManager) {
- const editor = super.deserialize(data, parent, uiManager);
- editor.thickness = data.thickness;
- editor.color = _util.Util.makeHexColor(...data.color);
- editor.opacity = data.opacity;
- const [pageWidth, pageHeight] = editor.pageDimensions;
- const width = editor.width * pageWidth;
- const height = editor.height * pageHeight;
- const scaleFactor = editor.parentScale;
- const padding = data.thickness / 2;
- editor.#aspectRatio = width / height;
- editor.#disableEditing = true;
- editor.#realWidth = Math.round(width);
- editor.#realHeight = Math.round(height);
- for (const {
- bezier
- } of data.paths) {
- const path = [];
- editor.paths.push(path);
- let p0 = scaleFactor * (bezier[0] - padding);
- let p1 = scaleFactor * (height - bezier[1] - padding);
- for (let i = 2, ii = bezier.length; i < ii; i += 6) {
- const p10 = scaleFactor * (bezier[i] - padding);
- const p11 = scaleFactor * (height - bezier[i + 1] - padding);
- const p20 = scaleFactor * (bezier[i + 2] - padding);
- const p21 = scaleFactor * (height - bezier[i + 3] - padding);
- const p30 = scaleFactor * (bezier[i + 4] - padding);
- const p31 = scaleFactor * (height - bezier[i + 5] - padding);
- path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]);
- p0 = p30;
- p1 = p31;
- }
- const path2D = this.#buildPath2D(path);
- editor.bezierPath2D.push(path2D);
- }
- const bbox = editor.#getBbox();
- editor.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
- editor.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
- editor.#setScaleFactor(width, height);
- return editor;
- }
- serialize() {
- if (this.isEmpty()) {
- return null;
- }
- const rect = this.getRect(0, 0);
- const height = this.rotation % 180 === 0 ? rect[3] - rect[1] : rect[2] - rect[0];
- const color = _editor.AnnotationEditor._colorManager.convert(this.ctx.strokeStyle);
- return {
- annotationType: _util.AnnotationEditorType.INK,
- color,
- thickness: this.thickness,
- opacity: this.opacity,
- paths: this.#serializePaths(this.scaleFactor / this.parentScale, this.translationX, this.translationY, height),
- pageIndex: this.pageIndex,
- rect,
- rotation: this.rotation
- };
- }
- }
- exports.InkEditor = InkEditor;
- /***/ }),
- /* 25 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.fitCurve = void 0;
- const fitCurve = __w_pdfjs_require__(26);
- exports.fitCurve = fitCurve;
- /***/ }),
- /* 26 */
- /***/ ((module) => {
- function fitCurve(points, maxError, progressCallback) {
- if (!Array.isArray(points)) {
- throw new TypeError("First argument should be an array");
- }
- points.forEach(point => {
- if (!Array.isArray(point) || point.some(item => typeof item !== 'number') || point.length !== points[0].length) {
- throw Error("Each point should be an array of numbers. Each point should have the same amount of numbers.");
- }
- });
- points = points.filter((point, i) => i === 0 || !point.every((val, j) => val === points[i - 1][j]));
- if (points.length < 2) {
- return [];
- }
- const len = points.length;
- const leftTangent = createTangent(points[1], points[0]);
- const rightTangent = createTangent(points[len - 2], points[len - 1]);
- return fitCubic(points, leftTangent, rightTangent, maxError, progressCallback);
- }
- function fitCubic(points, leftTangent, rightTangent, error, progressCallback) {
- const MaxIterations = 20;
- var bezCurve, u, uPrime, maxError, prevErr, splitPoint, prevSplit, centerVector, toCenterTangent, fromCenterTangent, beziers, dist, i;
- if (points.length === 2) {
- dist = maths.vectorLen(maths.subtract(points[0], points[1])) / 3.0;
- bezCurve = [points[0], maths.addArrays(points[0], maths.mulItems(leftTangent, dist)), maths.addArrays(points[1], maths.mulItems(rightTangent, dist)), points[1]];
- return [bezCurve];
- }
- u = chordLengthParameterize(points);
- [bezCurve, maxError, splitPoint] = generateAndReport(points, u, u, leftTangent, rightTangent, progressCallback);
- if (maxError === 0 || maxError < error) {
- return [bezCurve];
- }
- if (maxError < error * error) {
- uPrime = u;
- prevErr = maxError;
- prevSplit = splitPoint;
- for (i = 0; i < MaxIterations; i++) {
- uPrime = reparameterize(bezCurve, points, uPrime);
- [bezCurve, maxError, splitPoint] = generateAndReport(points, u, uPrime, leftTangent, rightTangent, progressCallback);
- if (maxError < error) {
- return [bezCurve];
- } else if (splitPoint === prevSplit) {
- let errChange = maxError / prevErr;
- if (errChange > .9999 && errChange < 1.0001) {
- break;
- }
- }
- prevErr = maxError;
- prevSplit = splitPoint;
- }
- }
- beziers = [];
- centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint + 1]);
- if (centerVector.every(val => val === 0)) {
- centerVector = maths.subtract(points[splitPoint - 1], points[splitPoint]);
- [centerVector[0], centerVector[1]] = [-centerVector[1], centerVector[0]];
- }
- toCenterTangent = maths.normalize(centerVector);
- fromCenterTangent = maths.mulItems(toCenterTangent, -1);
- beziers = beziers.concat(fitCubic(points.slice(0, splitPoint + 1), leftTangent, toCenterTangent, error, progressCallback));
- beziers = beziers.concat(fitCubic(points.slice(splitPoint), fromCenterTangent, rightTangent, error, progressCallback));
- return beziers;
- }
- ;
- function generateAndReport(points, paramsOrig, paramsPrime, leftTangent, rightTangent, progressCallback) {
- var bezCurve, maxError, splitPoint;
- bezCurve = generateBezier(points, paramsPrime, leftTangent, rightTangent, progressCallback);
- [maxError, splitPoint] = computeMaxError(points, bezCurve, paramsOrig);
- if (progressCallback) {
- progressCallback({
- bez: bezCurve,
- points: points,
- params: paramsOrig,
- maxErr: maxError,
- maxPoint: splitPoint
- });
- }
- return [bezCurve, maxError, splitPoint];
- }
- function generateBezier(points, parameters, leftTangent, rightTangent) {
- var bezCurve,
- A,
- a,
- C,
- X,
- det_C0_C1,
- det_C0_X,
- det_X_C1,
- alpha_l,
- alpha_r,
- epsilon,
- segLength,
- i,
- len,
- tmp,
- u,
- ux,
- firstPoint = points[0],
- lastPoint = points[points.length - 1];
- bezCurve = [firstPoint, null, null, lastPoint];
- A = maths.zeros_Xx2x2(parameters.length);
- for (i = 0, len = parameters.length; i < len; i++) {
- u = parameters[i];
- ux = 1 - u;
- a = A[i];
- a[0] = maths.mulItems(leftTangent, 3 * u * (ux * ux));
- a[1] = maths.mulItems(rightTangent, 3 * ux * (u * u));
- }
- C = [[0, 0], [0, 0]];
- X = [0, 0];
- for (i = 0, len = points.length; i < len; i++) {
- u = parameters[i];
- a = A[i];
- C[0][0] += maths.dot(a[0], a[0]);
- C[0][1] += maths.dot(a[0], a[1]);
- C[1][0] += maths.dot(a[0], a[1]);
- C[1][1] += maths.dot(a[1], a[1]);
- tmp = maths.subtract(points[i], bezier.q([firstPoint, firstPoint, lastPoint, lastPoint], u));
- X[0] += maths.dot(a[0], tmp);
- X[1] += maths.dot(a[1], tmp);
- }
- det_C0_C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1];
- det_C0_X = C[0][0] * X[1] - C[1][0] * X[0];
- det_X_C1 = X[0] * C[1][1] - X[1] * C[0][1];
- alpha_l = det_C0_C1 === 0 ? 0 : det_X_C1 / det_C0_C1;
- alpha_r = det_C0_C1 === 0 ? 0 : det_C0_X / det_C0_C1;
- segLength = maths.vectorLen(maths.subtract(firstPoint, lastPoint));
- epsilon = 1.0e-6 * segLength;
- if (alpha_l < epsilon || alpha_r < epsilon) {
- bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, segLength / 3.0));
- bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, segLength / 3.0));
- } else {
- bezCurve[1] = maths.addArrays(firstPoint, maths.mulItems(leftTangent, alpha_l));
- bezCurve[2] = maths.addArrays(lastPoint, maths.mulItems(rightTangent, alpha_r));
- }
- return bezCurve;
- }
- ;
- function reparameterize(bezier, points, parameters) {
- return parameters.map((p, i) => newtonRaphsonRootFind(bezier, points[i], p));
- }
- ;
- function newtonRaphsonRootFind(bez, point, u) {
- var d = maths.subtract(bezier.q(bez, u), point),
- qprime = bezier.qprime(bez, u),
- numerator = maths.mulMatrix(d, qprime),
- denominator = maths.sum(maths.squareItems(qprime)) + 2 * maths.mulMatrix(d, bezier.qprimeprime(bez, u));
- if (denominator === 0) {
- return u;
- } else {
- return u - numerator / denominator;
- }
- }
- ;
- function chordLengthParameterize(points) {
- var u = [],
- currU,
- prevU,
- prevP;
- points.forEach((p, i) => {
- currU = i ? prevU + maths.vectorLen(maths.subtract(p, prevP)) : 0;
- u.push(currU);
- prevU = currU;
- prevP = p;
- });
- u = u.map(x => x / prevU);
- return u;
- }
- ;
- function computeMaxError(points, bez, parameters) {
- var dist, maxDist, splitPoint, v, i, count, point, t;
- maxDist = 0;
- splitPoint = Math.floor(points.length / 2);
- const t_distMap = mapTtoRelativeDistances(bez, 10);
- for (i = 0, count = points.length; i < count; i++) {
- point = points[i];
- t = find_t(bez, parameters[i], t_distMap, 10);
- v = maths.subtract(bezier.q(bez, t), point);
- dist = v[0] * v[0] + v[1] * v[1];
- if (dist > maxDist) {
- maxDist = dist;
- splitPoint = i;
- }
- }
- return [maxDist, splitPoint];
- }
- ;
- var mapTtoRelativeDistances = function (bez, B_parts) {
- var B_t_curr;
- var B_t_dist = [0];
- var B_t_prev = bez[0];
- var sumLen = 0;
- for (var i = 1; i <= B_parts; i++) {
- B_t_curr = bezier.q(bez, i / B_parts);
- sumLen += maths.vectorLen(maths.subtract(B_t_curr, B_t_prev));
- B_t_dist.push(sumLen);
- B_t_prev = B_t_curr;
- }
- B_t_dist = B_t_dist.map(x => x / sumLen);
- return B_t_dist;
- };
- function find_t(bez, param, t_distMap, B_parts) {
- if (param < 0) {
- return 0;
- }
- if (param > 1) {
- return 1;
- }
- var lenMax, lenMin, tMax, tMin, t;
- for (var i = 1; i <= B_parts; i++) {
- if (param <= t_distMap[i]) {
- tMin = (i - 1) / B_parts;
- tMax = i / B_parts;
- lenMin = t_distMap[i - 1];
- lenMax = t_distMap[i];
- t = (param - lenMin) / (lenMax - lenMin) * (tMax - tMin) + tMin;
- break;
- }
- }
- return t;
- }
- function createTangent(pointA, pointB) {
- return maths.normalize(maths.subtract(pointA, pointB));
- }
- class maths {
- static zeros_Xx2x2(x) {
- var zs = [];
- while (x--) {
- zs.push([0, 0]);
- }
- return zs;
- }
- static mulItems(items, multiplier) {
- return items.map(x => x * multiplier);
- }
- static mulMatrix(m1, m2) {
- return m1.reduce((sum, x1, i) => sum + x1 * m2[i], 0);
- }
- static subtract(arr1, arr2) {
- return arr1.map((x1, i) => x1 - arr2[i]);
- }
- static addArrays(arr1, arr2) {
- return arr1.map((x1, i) => x1 + arr2[i]);
- }
- static addItems(items, addition) {
- return items.map(x => x + addition);
- }
- static sum(items) {
- return items.reduce((sum, x) => sum + x);
- }
- static dot(m1, m2) {
- return maths.mulMatrix(m1, m2);
- }
- static vectorLen(v) {
- return Math.hypot(...v);
- }
- static divItems(items, divisor) {
- return items.map(x => x / divisor);
- }
- static squareItems(items) {
- return items.map(x => x * x);
- }
- static normalize(v) {
- return this.divItems(v, this.vectorLen(v));
- }
- }
- class bezier {
- static q(ctrlPoly, t) {
- var tx = 1.0 - t;
- var pA = maths.mulItems(ctrlPoly[0], tx * tx * tx),
- pB = maths.mulItems(ctrlPoly[1], 3 * tx * tx * t),
- pC = maths.mulItems(ctrlPoly[2], 3 * tx * t * t),
- pD = maths.mulItems(ctrlPoly[3], t * t * t);
- return maths.addArrays(maths.addArrays(pA, pB), maths.addArrays(pC, pD));
- }
- static qprime(ctrlPoly, t) {
- var tx = 1.0 - t;
- var pA = maths.mulItems(maths.subtract(ctrlPoly[1], ctrlPoly[0]), 3 * tx * tx),
- pB = maths.mulItems(maths.subtract(ctrlPoly[2], ctrlPoly[1]), 6 * tx * t),
- pC = maths.mulItems(maths.subtract(ctrlPoly[3], ctrlPoly[2]), 3 * t * t);
- return maths.addArrays(maths.addArrays(pA, pB), pC);
- }
- static qprimeprime(ctrlPoly, t) {
- return maths.addArrays(maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[2], maths.mulItems(ctrlPoly[1], 2)), ctrlPoly[0]), 6 * (1.0 - t)), maths.mulItems(maths.addArrays(maths.subtract(ctrlPoly[3], maths.mulItems(ctrlPoly[2], 2)), ctrlPoly[1]), 6 * t));
- }
- }
- module.exports = fitCurve;
- module.exports.fitCubic = fitCubic;
- module.exports.createTangent = createTangent;
- /***/ }),
- /* 27 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.AnnotationLayer = void 0;
- var _util = __w_pdfjs_require__(1);
- var _display_utils = __w_pdfjs_require__(6);
- var _annotation_storage = __w_pdfjs_require__(3);
- var _scripting_utils = __w_pdfjs_require__(28);
- var _xfa_layer = __w_pdfjs_require__(29);
- const DEFAULT_TAB_INDEX = 1000;
- const DEFAULT_FONT_SIZE = 9;
- const GetElementsByNameSet = new WeakSet();
- function getRectDims(rect) {
- return {
- width: rect[2] - rect[0],
- height: rect[3] - rect[1]
- };
- }
- class AnnotationElementFactory {
- static create(parameters) {
- const subtype = parameters.data.annotationType;
- switch (subtype) {
- case _util.AnnotationType.LINK:
- return new LinkAnnotationElement(parameters);
- case _util.AnnotationType.TEXT:
- return new TextAnnotationElement(parameters);
- case _util.AnnotationType.WIDGET:
- const fieldType = parameters.data.fieldType;
- switch (fieldType) {
- case "Tx":
- return new TextWidgetAnnotationElement(parameters);
- case "Btn":
- if (parameters.data.radioButton) {
- return new RadioButtonWidgetAnnotationElement(parameters);
- } else if (parameters.data.checkBox) {
- return new CheckboxWidgetAnnotationElement(parameters);
- }
- return new PushButtonWidgetAnnotationElement(parameters);
- case "Ch":
- return new ChoiceWidgetAnnotationElement(parameters);
- }
- return new WidgetAnnotationElement(parameters);
- case _util.AnnotationType.POPUP:
- return new PopupAnnotationElement(parameters);
- case _util.AnnotationType.FREETEXT:
- return new FreeTextAnnotationElement(parameters);
- case _util.AnnotationType.LINE:
- return new LineAnnotationElement(parameters);
- case _util.AnnotationType.SQUARE:
- return new SquareAnnotationElement(parameters);
- case _util.AnnotationType.CIRCLE:
- return new CircleAnnotationElement(parameters);
- case _util.AnnotationType.POLYLINE:
- return new PolylineAnnotationElement(parameters);
- case _util.AnnotationType.CARET:
- return new CaretAnnotationElement(parameters);
- case _util.AnnotationType.INK:
- return new InkAnnotationElement(parameters);
- case _util.AnnotationType.POLYGON:
- return new PolygonAnnotationElement(parameters);
- case _util.AnnotationType.HIGHLIGHT:
- return new HighlightAnnotationElement(parameters);
- case _util.AnnotationType.UNDERLINE:
- return new UnderlineAnnotationElement(parameters);
- case _util.AnnotationType.SQUIGGLY:
- return new SquigglyAnnotationElement(parameters);
- case _util.AnnotationType.STRIKEOUT:
- return new StrikeOutAnnotationElement(parameters);
- case _util.AnnotationType.STAMP:
- return new StampAnnotationElement(parameters);
- case _util.AnnotationType.FILEATTACHMENT:
- return new FileAttachmentAnnotationElement(parameters);
- default:
- return new AnnotationElement(parameters);
- }
- }
- }
- class AnnotationElement {
- constructor(parameters, {
- isRenderable = false,
- ignoreBorder = false,
- createQuadrilaterals = false
- } = {}) {
- this.isRenderable = isRenderable;
- this.data = parameters.data;
- this.layer = parameters.layer;
- this.page = parameters.page;
- this.viewport = parameters.viewport;
- this.linkService = parameters.linkService;
- this.downloadManager = parameters.downloadManager;
- this.imageResourcesPath = parameters.imageResourcesPath;
- this.renderForms = parameters.renderForms;
- this.svgFactory = parameters.svgFactory;
- this.annotationStorage = parameters.annotationStorage;
- this.enableScripting = parameters.enableScripting;
- this.hasJSActions = parameters.hasJSActions;
- this._fieldObjects = parameters.fieldObjects;
- if (isRenderable) {
- this.container = this._createContainer(ignoreBorder);
- }
- if (createQuadrilaterals) {
- this.quadrilaterals = this._createQuadrilaterals(ignoreBorder);
- }
- }
- _createContainer(ignoreBorder = false) {
- const {
- data,
- page,
- viewport
- } = this;
- const container = document.createElement("section");
- container.setAttribute("data-annotation-id", data.id);
- const {
- pageWidth,
- pageHeight,
- pageX,
- pageY
- } = viewport.rawDims;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
- if (!ignoreBorder && data.borderStyle.width > 0) {
- container.style.borderWidth = `${data.borderStyle.width}px`;
- const horizontalRadius = data.borderStyle.horizontalCornerRadius;
- const verticalRadius = data.borderStyle.verticalCornerRadius;
- if (horizontalRadius > 0 || verticalRadius > 0) {
- const radius = `calc(${horizontalRadius}px * var(--scale-factor)) / calc(${verticalRadius}px * var(--scale-factor))`;
- container.style.borderRadius = radius;
- } else if (this instanceof RadioButtonWidgetAnnotationElement) {
- const radius = `calc(${width}px * var(--scale-factor)) / calc(${height}px * var(--scale-factor))`;
- container.style.borderRadius = radius;
- }
- switch (data.borderStyle.style) {
- case _util.AnnotationBorderStyleType.SOLID:
- container.style.borderStyle = "solid";
- break;
- case _util.AnnotationBorderStyleType.DASHED:
- container.style.borderStyle = "dashed";
- break;
- case _util.AnnotationBorderStyleType.BEVELED:
- (0, _util.warn)("Unimplemented border style: beveled");
- break;
- case _util.AnnotationBorderStyleType.INSET:
- (0, _util.warn)("Unimplemented border style: inset");
- break;
- case _util.AnnotationBorderStyleType.UNDERLINE:
- container.style.borderBottomStyle = "solid";
- break;
- default:
- break;
- }
- const borderColor = data.borderColor || null;
- if (borderColor) {
- container.style.borderColor = _util.Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0);
- } else {
- container.style.borderWidth = 0;
- }
- }
- container.style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
- container.style.top = `${100 * (rect[1] - pageY) / pageHeight}%`;
- const {
- rotation
- } = data;
- if (data.hasOwnCanvas || rotation === 0) {
- container.style.width = `${100 * width / pageWidth}%`;
- container.style.height = `${100 * height / pageHeight}%`;
- } else {
- this.setRotation(rotation, container);
- }
- return container;
- }
- setRotation(angle, container = this.container) {
- const {
- pageWidth,
- pageHeight
- } = this.viewport.rawDims;
- const {
- width,
- height
- } = getRectDims(this.data.rect);
- let elementWidth, elementHeight;
- if (angle % 180 === 0) {
- elementWidth = 100 * width / pageWidth;
- elementHeight = 100 * height / pageHeight;
- } else {
- elementWidth = 100 * height / pageWidth;
- elementHeight = 100 * width / pageHeight;
- }
- container.style.width = `${elementWidth}%`;
- container.style.height = `${elementHeight}%`;
- container.setAttribute("data-main-rotation", (360 - angle) % 360);
- }
- get _commonActions() {
- const setColor = (jsName, styleName, event) => {
- const color = event.detail[jsName];
- event.target.style[styleName] = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1));
- };
- return (0, _util.shadow)(this, "_commonActions", {
- display: event => {
- const hidden = event.detail.display % 2 === 1;
- this.container.style.visibility = hidden ? "hidden" : "visible";
- this.annotationStorage.setValue(this.data.id, {
- hidden,
- print: event.detail.display === 0 || event.detail.display === 3
- });
- },
- print: event => {
- this.annotationStorage.setValue(this.data.id, {
- print: event.detail.print
- });
- },
- hidden: event => {
- this.container.style.visibility = event.detail.hidden ? "hidden" : "visible";
- this.annotationStorage.setValue(this.data.id, {
- hidden: event.detail.hidden
- });
- },
- focus: event => {
- setTimeout(() => event.target.focus({
- preventScroll: false
- }), 0);
- },
- userName: event => {
- event.target.title = event.detail.userName;
- },
- readonly: event => {
- if (event.detail.readonly) {
- event.target.setAttribute("readonly", "");
- } else {
- event.target.removeAttribute("readonly");
- }
- },
- required: event => {
- this._setRequired(event.target, event.detail.required);
- },
- bgColor: event => {
- setColor("bgColor", "backgroundColor", event);
- },
- fillColor: event => {
- setColor("fillColor", "backgroundColor", event);
- },
- fgColor: event => {
- setColor("fgColor", "color", event);
- },
- textColor: event => {
- setColor("textColor", "color", event);
- },
- borderColor: event => {
- setColor("borderColor", "borderColor", event);
- },
- strokeColor: event => {
- setColor("strokeColor", "borderColor", event);
- },
- rotation: event => {
- const angle = event.detail.rotation;
- this.setRotation(angle);
- this.annotationStorage.setValue(this.data.id, {
- rotation: angle
- });
- }
- });
- }
- _dispatchEventFromSandbox(actions, jsEvent) {
- const commonActions = this._commonActions;
- for (const name of Object.keys(jsEvent.detail)) {
- const action = actions[name] || commonActions[name];
- action?.(jsEvent);
- }
- }
- _setDefaultPropertiesFromJS(element) {
- if (!this.enableScripting) {
- return;
- }
- const storedData = this.annotationStorage.getRawValue(this.data.id);
- if (!storedData) {
- return;
- }
- const commonActions = this._commonActions;
- for (const [actionName, detail] of Object.entries(storedData)) {
- const action = commonActions[actionName];
- if (action) {
- const eventProxy = {
- detail: {
- [actionName]: detail
- },
- target: element
- };
- action(eventProxy);
- delete storedData[actionName];
- }
- }
- }
- _createQuadrilaterals(ignoreBorder = false) {
- if (!this.data.quadPoints) {
- return null;
- }
- const quadrilaterals = [];
- const savedRect = this.data.rect;
- for (const quadPoint of this.data.quadPoints) {
- this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y];
- quadrilaterals.push(this._createContainer(ignoreBorder));
- }
- this.data.rect = savedRect;
- return quadrilaterals;
- }
- _createPopup(trigger, data) {
- let container = this.container;
- if (this.quadrilaterals) {
- trigger = trigger || this.quadrilaterals;
- container = this.quadrilaterals[0];
- }
- if (!trigger) {
- trigger = document.createElement("div");
- trigger.className = "popupTriggerArea";
- container.append(trigger);
- }
- const popupElement = new PopupElement({
- container,
- trigger,
- color: data.color,
- titleObj: data.titleObj,
- modificationDate: data.modificationDate,
- contentsObj: data.contentsObj,
- richText: data.richText,
- hideWrapper: true
- });
- const popup = popupElement.render();
- popup.style.left = "100%";
- container.append(popup);
- }
- _renderQuadrilaterals(className) {
- for (const quadrilateral of this.quadrilaterals) {
- quadrilateral.className = className;
- }
- return this.quadrilaterals;
- }
- render() {
- (0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
- }
- _getElementsByName(name, skipId = null) {
- const fields = [];
- if (this._fieldObjects) {
- const fieldObj = this._fieldObjects[name];
- if (fieldObj) {
- for (const {
- page,
- id,
- exportValues
- } of fieldObj) {
- if (page === -1) {
- continue;
- }
- if (id === skipId) {
- continue;
- }
- const exportValue = typeof exportValues === "string" ? exportValues : null;
- const domElement = document.querySelector(`[data-element-id="${id}"]`);
- if (domElement && !GetElementsByNameSet.has(domElement)) {
- (0, _util.warn)(`_getElementsByName - element not allowed: ${id}`);
- continue;
- }
- fields.push({
- id,
- exportValue,
- domElement
- });
- }
- }
- return fields;
- }
- for (const domElement of document.getElementsByName(name)) {
- const {
- exportValue
- } = domElement;
- const id = domElement.getAttribute("data-element-id");
- if (id === skipId) {
- continue;
- }
- if (!GetElementsByNameSet.has(domElement)) {
- continue;
- }
- fields.push({
- id,
- exportValue,
- domElement
- });
- }
- return fields;
- }
- }
- class LinkAnnotationElement extends AnnotationElement {
- constructor(parameters, options = null) {
- super(parameters, {
- isRenderable: true,
- ignoreBorder: !!options?.ignoreBorder,
- createQuadrilaterals: true
- });
- this.isTooltipOnly = parameters.data.isTooltipOnly;
- }
- render() {
- const {
- data,
- linkService
- } = this;
- const link = document.createElement("a");
- link.setAttribute("data-element-id", data.id);
- let isBound = false;
- if (data.url) {
- linkService.addLinkAttributes(link, data.url, data.newWindow);
- isBound = true;
- } else if (data.action) {
- this._bindNamedAction(link, data.action);
- isBound = true;
- } else if (data.attachment) {
- this._bindAttachment(link, data.attachment);
- isBound = true;
- } else if (data.setOCGState) {
- this.#bindSetOCGState(link, data.setOCGState);
- isBound = true;
- } else if (data.dest) {
- this._bindLink(link, data.dest);
- isBound = true;
- } else {
- if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
- this._bindJSAction(link, data);
- isBound = true;
- }
- if (data.resetForm) {
- this._bindResetFormAction(link, data.resetForm);
- isBound = true;
- } else if (this.isTooltipOnly && !isBound) {
- this._bindLink(link, "");
- isBound = true;
- }
- }
- if (this.quadrilaterals) {
- return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => {
- const linkElement = index === 0 ? link : link.cloneNode();
- quadrilateral.append(linkElement);
- return quadrilateral;
- });
- }
- this.container.className = "linkAnnotation";
- if (isBound) {
- this.container.append(link);
- }
- return this.container;
- }
- #setInternalLink() {
- this.container.setAttribute("data-internal-link", "");
- }
- _bindLink(link, destination) {
- link.href = this.linkService.getDestinationHash(destination);
- link.onclick = () => {
- if (destination) {
- this.linkService.goToDestination(destination);
- }
- return false;
- };
- if (destination || destination === "") {
- this.#setInternalLink();
- }
- }
- _bindNamedAction(link, action) {
- link.href = this.linkService.getAnchorUrl("");
- link.onclick = () => {
- this.linkService.executeNamedAction(action);
- return false;
- };
- this.#setInternalLink();
- }
- _bindAttachment(link, attachment) {
- link.href = this.linkService.getAnchorUrl("");
- link.onclick = () => {
- this.downloadManager?.openOrDownloadData(this.container, attachment.content, attachment.filename);
- return false;
- };
- this.#setInternalLink();
- }
- #bindSetOCGState(link, action) {
- link.href = this.linkService.getAnchorUrl("");
- link.onclick = () => {
- this.linkService.executeSetOCGState(action);
- return false;
- };
- this.#setInternalLink();
- }
- _bindJSAction(link, data) {
- link.href = this.linkService.getAnchorUrl("");
- const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
- for (const name of Object.keys(data.actions)) {
- const jsName = map.get(name);
- if (!jsName) {
- continue;
- }
- link[jsName] = () => {
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id: data.id,
- name
- }
- });
- return false;
- };
- }
- if (!link.onclick) {
- link.onclick = () => false;
- }
- this.#setInternalLink();
- }
- _bindResetFormAction(link, resetForm) {
- const otherClickAction = link.onclick;
- if (!otherClickAction) {
- link.href = this.linkService.getAnchorUrl("");
- }
- this.#setInternalLink();
- if (!this._fieldObjects) {
- (0, _util.warn)(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
- if (!otherClickAction) {
- link.onclick = () => false;
- }
- return;
- }
- link.onclick = () => {
- otherClickAction?.();
- const {
- fields: resetFormFields,
- refs: resetFormRefs,
- include
- } = resetForm;
- const allFields = [];
- if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
- const fieldIds = new Set(resetFormRefs);
- for (const fieldName of resetFormFields) {
- const fields = this._fieldObjects[fieldName] || [];
- for (const {
- id
- } of fields) {
- fieldIds.add(id);
- }
- }
- for (const fields of Object.values(this._fieldObjects)) {
- for (const field of fields) {
- if (fieldIds.has(field.id) === include) {
- allFields.push(field);
- }
- }
- }
- } else {
- for (const fields of Object.values(this._fieldObjects)) {
- allFields.push(...fields);
- }
- }
- const storage = this.annotationStorage;
- const allIds = [];
- for (const field of allFields) {
- const {
- id
- } = field;
- allIds.push(id);
- switch (field.type) {
- case "text":
- {
- const value = field.defaultValue || "";
- storage.setValue(id, {
- value
- });
- break;
- }
- case "checkbox":
- case "radiobutton":
- {
- const value = field.defaultValue === field.exportValues;
- storage.setValue(id, {
- value
- });
- break;
- }
- case "combobox":
- case "listbox":
- {
- const value = field.defaultValue || "";
- storage.setValue(id, {
- value
- });
- break;
- }
- default:
- continue;
- }
- const domElement = document.querySelector(`[data-element-id="${id}"]`);
- if (!domElement) {
- continue;
- } else if (!GetElementsByNameSet.has(domElement)) {
- (0, _util.warn)(`_bindResetFormAction - element not allowed: ${id}`);
- continue;
- }
- domElement.dispatchEvent(new Event("resetform"));
- }
- if (this.enableScripting) {
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id: "app",
- ids: allIds,
- name: "ResetForm"
- }
- });
- }
- return false;
- };
- }
- }
- class TextAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable
- });
- }
- render() {
- this.container.className = "textAnnotation";
- const image = document.createElement("img");
- image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
- image.alt = "[{{type}} Annotation]";
- image.dataset.l10nId = "text_annotation_type";
- image.dataset.l10nArgs = JSON.stringify({
- type: this.data.name
- });
- if (!this.data.hasPopup) {
- this._createPopup(image, this.data);
- }
- this.container.append(image);
- return this.container;
- }
- }
- class WidgetAnnotationElement extends AnnotationElement {
- render() {
- if (this.data.alternativeText) {
- this.container.title = this.data.alternativeText;
- }
- return this.container;
- }
- _getKeyModifier(event) {
- const {
- isWin,
- isMac
- } = _util.FeatureTest.platform;
- return isWin && event.ctrlKey || isMac && event.metaKey;
- }
- _setEventListener(element, baseName, eventName, valueGetter) {
- if (baseName.includes("mouse")) {
- element.addEventListener(baseName, event => {
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id: this.data.id,
- name: eventName,
- value: valueGetter(event),
- shift: event.shiftKey,
- modifier: this._getKeyModifier(event)
- }
- });
- });
- } else {
- element.addEventListener(baseName, event => {
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id: this.data.id,
- name: eventName,
- value: valueGetter(event)
- }
- });
- });
- }
- }
- _setEventListeners(element, names, getter) {
- for (const [baseName, eventName] of names) {
- if (eventName === "Action" || this.data.actions?.[eventName]) {
- this._setEventListener(element, baseName, eventName, getter);
- }
- }
- }
- _setBackgroundColor(element) {
- const color = this.data.backgroundColor || null;
- element.style.backgroundColor = color === null ? "transparent" : _util.Util.makeHexColor(color[0], color[1], color[2]);
- }
- _setTextStyle(element) {
- const TEXT_ALIGNMENT = ["left", "center", "right"];
- const {
- fontColor
- } = this.data.defaultAppearanceData;
- const fontSize = this.data.defaultAppearanceData.fontSize || DEFAULT_FONT_SIZE;
- const style = element.style;
- let computedFontSize;
- const BORDER_SIZE = 2;
- const roundToOneDecimal = x => Math.round(10 * x) / 10;
- if (this.data.multiLine) {
- const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
- const numberOfLines = Math.round(height / (_util.LINE_FACTOR * fontSize)) || 1;
- const lineHeight = height / numberOfLines;
- computedFontSize = Math.min(fontSize, roundToOneDecimal(lineHeight / _util.LINE_FACTOR));
- } else {
- const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
- computedFontSize = Math.min(fontSize, roundToOneDecimal(height / _util.LINE_FACTOR));
- }
- style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;
- style.color = _util.Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
- if (this.data.textAlignment !== null) {
- style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
- }
- }
- _setRequired(element, isRequired) {
- if (isRequired) {
- element.setAttribute("required", true);
- } else {
- element.removeAttribute("required");
- }
- element.setAttribute("aria-required", isRequired);
- }
- }
- class TextWidgetAnnotationElement extends WidgetAnnotationElement {
- constructor(parameters) {
- const isRenderable = parameters.renderForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
- super(parameters, {
- isRenderable
- });
- }
- setPropertyOnSiblings(base, key, value, keyInStorage) {
- const storage = this.annotationStorage;
- for (const element of this._getElementsByName(base.name, base.id)) {
- if (element.domElement) {
- element.domElement[key] = value;
- }
- storage.setValue(element.id, {
- [keyInStorage]: value
- });
- }
- }
- render() {
- const storage = this.annotationStorage;
- const id = this.data.id;
- this.container.className = "textWidgetAnnotation";
- let element = null;
- if (this.renderForms) {
- const storedData = storage.getValue(id, {
- value: this.data.fieldValue
- });
- let textContent = storedData.formattedValue || storedData.value || "";
- const maxLen = storage.getValue(id, {
- charLimit: this.data.maxLen
- }).charLimit;
- if (maxLen && textContent.length > maxLen) {
- textContent = textContent.slice(0, maxLen);
- }
- const elementData = {
- userValue: textContent,
- formattedValue: null,
- lastCommittedValue: null,
- commitKey: 1
- };
- if (this.data.multiLine) {
- element = document.createElement("textarea");
- element.textContent = textContent;
- if (this.data.doNotScroll) {
- element.style.overflowY = "hidden";
- }
- } else {
- element = document.createElement("input");
- element.type = "text";
- element.setAttribute("value", textContent);
- if (this.data.doNotScroll) {
- element.style.overflowX = "hidden";
- }
- }
- GetElementsByNameSet.add(element);
- element.setAttribute("data-element-id", id);
- element.disabled = this.data.readOnly;
- element.name = this.data.fieldName;
- element.tabIndex = DEFAULT_TAB_INDEX;
- this._setRequired(element, this.data.required);
- if (maxLen) {
- element.maxLength = maxLen;
- }
- element.addEventListener("input", event => {
- storage.setValue(id, {
- value: event.target.value
- });
- this.setPropertyOnSiblings(element, "value", event.target.value, "value");
- });
- element.addEventListener("resetform", event => {
- const defaultValue = this.data.defaultFieldValue ?? "";
- element.value = elementData.userValue = defaultValue;
- elementData.formattedValue = null;
- });
- let blurListener = event => {
- const {
- formattedValue
- } = elementData;
- if (formattedValue !== null && formattedValue !== undefined) {
- event.target.value = formattedValue;
- }
- event.target.scrollLeft = 0;
- };
- if (this.enableScripting && this.hasJSActions) {
- element.addEventListener("focus", event => {
- const {
- target
- } = event;
- if (elementData.userValue) {
- target.value = elementData.userValue;
- }
- elementData.lastCommittedValue = target.value;
- elementData.commitKey = 1;
- });
- element.addEventListener("updatefromsandbox", jsEvent => {
- const actions = {
- value(event) {
- elementData.userValue = event.detail.value ?? "";
- storage.setValue(id, {
- value: elementData.userValue.toString()
- });
- event.target.value = elementData.userValue;
- },
- formattedValue(event) {
- const {
- formattedValue
- } = event.detail;
- elementData.formattedValue = formattedValue;
- if (formattedValue !== null && formattedValue !== undefined && event.target !== document.activeElement) {
- event.target.value = formattedValue;
- }
- storage.setValue(id, {
- formattedValue
- });
- },
- selRange(event) {
- event.target.setSelectionRange(...event.detail.selRange);
- },
- charLimit: event => {
- const {
- charLimit
- } = event.detail;
- const {
- target
- } = event;
- if (charLimit === 0) {
- target.removeAttribute("maxLength");
- return;
- }
- target.setAttribute("maxLength", charLimit);
- let value = elementData.userValue;
- if (!value || value.length <= charLimit) {
- return;
- }
- value = value.slice(0, charLimit);
- target.value = elementData.userValue = value;
- storage.setValue(id, {
- value
- });
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id,
- name: "Keystroke",
- value,
- willCommit: true,
- commitKey: 1,
- selStart: target.selectionStart,
- selEnd: target.selectionEnd
- }
- });
- }
- };
- this._dispatchEventFromSandbox(actions, jsEvent);
- });
- element.addEventListener("keydown", event => {
- elementData.commitKey = 1;
- let commitKey = -1;
- if (event.key === "Escape") {
- commitKey = 0;
- } else if (event.key === "Enter" && !this.data.multiLine) {
- commitKey = 2;
- } else if (event.key === "Tab") {
- elementData.commitKey = 3;
- }
- if (commitKey === -1) {
- return;
- }
- const {
- value
- } = event.target;
- if (elementData.lastCommittedValue === value) {
- return;
- }
- elementData.lastCommittedValue = value;
- elementData.userValue = value;
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id,
- name: "Keystroke",
- value,
- willCommit: true,
- commitKey,
- selStart: event.target.selectionStart,
- selEnd: event.target.selectionEnd
- }
- });
- });
- const _blurListener = blurListener;
- blurListener = null;
- element.addEventListener("blur", event => {
- if (!event.relatedTarget) {
- return;
- }
- const {
- value
- } = event.target;
- elementData.userValue = value;
- if (elementData.lastCommittedValue !== value) {
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id,
- name: "Keystroke",
- value,
- willCommit: true,
- commitKey: elementData.commitKey,
- selStart: event.target.selectionStart,
- selEnd: event.target.selectionEnd
- }
- });
- }
- _blurListener(event);
- });
- if (this.data.actions?.Keystroke) {
- element.addEventListener("beforeinput", event => {
- elementData.lastCommittedValue = null;
- const {
- data,
- target
- } = event;
- const {
- value,
- selectionStart,
- selectionEnd
- } = target;
- let selStart = selectionStart,
- selEnd = selectionEnd;
- switch (event.inputType) {
- case "deleteWordBackward":
- {
- const match = value.substring(0, selectionStart).match(/\w*[^\w]*$/);
- if (match) {
- selStart -= match[0].length;
- }
- break;
- }
- case "deleteWordForward":
- {
- const match = value.substring(selectionStart).match(/^[^\w]*\w*/);
- if (match) {
- selEnd += match[0].length;
- }
- break;
- }
- case "deleteContentBackward":
- if (selectionStart === selectionEnd) {
- selStart -= 1;
- }
- break;
- case "deleteContentForward":
- if (selectionStart === selectionEnd) {
- selEnd += 1;
- }
- break;
- }
- event.preventDefault();
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id,
- name: "Keystroke",
- value,
- change: data || "",
- willCommit: false,
- selStart,
- selEnd
- }
- });
- });
- }
- this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
- }
- if (blurListener) {
- element.addEventListener("blur", blurListener);
- }
- if (this.data.comb) {
- const fieldWidth = this.data.rect[2] - this.data.rect[0];
- const combWidth = fieldWidth / maxLen;
- element.classList.add("comb");
- element.style.letterSpacing = `calc(${combWidth}px * var(--scale-factor) - 1ch)`;
- }
- } else {
- element = document.createElement("div");
- element.textContent = this.data.fieldValue;
- element.style.verticalAlign = "middle";
- element.style.display = "table-cell";
- }
- this._setTextStyle(element);
- this._setBackgroundColor(element);
- this._setDefaultPropertiesFromJS(element);
- this.container.append(element);
- return this.container;
- }
- }
- class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
- constructor(parameters) {
- super(parameters, {
- isRenderable: parameters.renderForms
- });
- }
- render() {
- const storage = this.annotationStorage;
- const data = this.data;
- const id = data.id;
- let value = storage.getValue(id, {
- value: data.exportValue === data.fieldValue
- }).value;
- if (typeof value === "string") {
- value = value !== "Off";
- storage.setValue(id, {
- value
- });
- }
- this.container.className = "buttonWidgetAnnotation checkBox";
- const element = document.createElement("input");
- GetElementsByNameSet.add(element);
- element.setAttribute("data-element-id", id);
- element.disabled = data.readOnly;
- this._setRequired(element, this.data.required);
- element.type = "checkbox";
- element.name = data.fieldName;
- if (value) {
- element.setAttribute("checked", true);
- }
- element.setAttribute("exportValue", data.exportValue);
- element.tabIndex = DEFAULT_TAB_INDEX;
- element.addEventListener("change", event => {
- const {
- name,
- checked
- } = event.target;
- for (const checkbox of this._getElementsByName(name, id)) {
- const curChecked = checked && checkbox.exportValue === data.exportValue;
- if (checkbox.domElement) {
- checkbox.domElement.checked = curChecked;
- }
- storage.setValue(checkbox.id, {
- value: curChecked
- });
- }
- storage.setValue(id, {
- value: checked
- });
- });
- element.addEventListener("resetform", event => {
- const defaultValue = data.defaultFieldValue || "Off";
- event.target.checked = defaultValue === data.exportValue;
- });
- if (this.enableScripting && this.hasJSActions) {
- element.addEventListener("updatefromsandbox", jsEvent => {
- const actions = {
- value(event) {
- event.target.checked = event.detail.value !== "Off";
- storage.setValue(id, {
- value: event.target.checked
- });
- }
- };
- this._dispatchEventFromSandbox(actions, jsEvent);
- });
- this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
- }
- this._setBackgroundColor(element);
- this._setDefaultPropertiesFromJS(element);
- this.container.append(element);
- return this.container;
- }
- }
- class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
- constructor(parameters) {
- super(parameters, {
- isRenderable: parameters.renderForms
- });
- }
- render() {
- this.container.className = "buttonWidgetAnnotation radioButton";
- const storage = this.annotationStorage;
- const data = this.data;
- const id = data.id;
- let value = storage.getValue(id, {
- value: data.fieldValue === data.buttonValue
- }).value;
- if (typeof value === "string") {
- value = value !== data.buttonValue;
- storage.setValue(id, {
- value
- });
- }
- const element = document.createElement("input");
- GetElementsByNameSet.add(element);
- element.setAttribute("data-element-id", id);
- element.disabled = data.readOnly;
- this._setRequired(element, this.data.required);
- element.type = "radio";
- element.name = data.fieldName;
- if (value) {
- element.setAttribute("checked", true);
- }
- element.tabIndex = DEFAULT_TAB_INDEX;
- element.addEventListener("change", event => {
- const {
- name,
- checked
- } = event.target;
- for (const radio of this._getElementsByName(name, id)) {
- storage.setValue(radio.id, {
- value: false
- });
- }
- storage.setValue(id, {
- value: checked
- });
- });
- element.addEventListener("resetform", event => {
- const defaultValue = data.defaultFieldValue;
- event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
- });
- if (this.enableScripting && this.hasJSActions) {
- const pdfButtonValue = data.buttonValue;
- element.addEventListener("updatefromsandbox", jsEvent => {
- const actions = {
- value: event => {
- const checked = pdfButtonValue === event.detail.value;
- for (const radio of this._getElementsByName(event.target.name)) {
- const curChecked = checked && radio.id === id;
- if (radio.domElement) {
- radio.domElement.checked = curChecked;
- }
- storage.setValue(radio.id, {
- value: curChecked
- });
- }
- }
- };
- this._dispatchEventFromSandbox(actions, jsEvent);
- });
- this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
- }
- this._setBackgroundColor(element);
- this._setDefaultPropertiesFromJS(element);
- this.container.append(element);
- return this.container;
- }
- }
- class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
- constructor(parameters) {
- super(parameters, {
- ignoreBorder: parameters.data.hasAppearance
- });
- }
- render() {
- const container = super.render();
- container.className = "buttonWidgetAnnotation pushButton";
- if (this.data.alternativeText) {
- container.title = this.data.alternativeText;
- }
- const linkElement = container.lastChild;
- if (this.enableScripting && this.hasJSActions && linkElement) {
- this._setDefaultPropertiesFromJS(linkElement);
- linkElement.addEventListener("updatefromsandbox", jsEvent => {
- this._dispatchEventFromSandbox({}, jsEvent);
- });
- }
- return container;
- }
- }
- class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
- constructor(parameters) {
- super(parameters, {
- isRenderable: parameters.renderForms
- });
- }
- render() {
- this.container.className = "choiceWidgetAnnotation";
- const storage = this.annotationStorage;
- const id = this.data.id;
- const storedData = storage.getValue(id, {
- value: this.data.fieldValue
- });
- const selectElement = document.createElement("select");
- GetElementsByNameSet.add(selectElement);
- selectElement.setAttribute("data-element-id", id);
- selectElement.disabled = this.data.readOnly;
- this._setRequired(selectElement, this.data.required);
- selectElement.name = this.data.fieldName;
- selectElement.tabIndex = DEFAULT_TAB_INDEX;
- let addAnEmptyEntry = this.data.combo && this.data.options.length > 0;
- if (!this.data.combo) {
- selectElement.size = this.data.options.length;
- if (this.data.multiSelect) {
- selectElement.multiple = true;
- }
- }
- selectElement.addEventListener("resetform", event => {
- const defaultValue = this.data.defaultFieldValue;
- for (const option of selectElement.options) {
- option.selected = option.value === defaultValue;
- }
- });
- for (const option of this.data.options) {
- const optionElement = document.createElement("option");
- optionElement.textContent = option.displayValue;
- optionElement.value = option.exportValue;
- if (storedData.value.includes(option.exportValue)) {
- optionElement.setAttribute("selected", true);
- addAnEmptyEntry = false;
- }
- selectElement.append(optionElement);
- }
- let removeEmptyEntry = null;
- if (addAnEmptyEntry) {
- const noneOptionElement = document.createElement("option");
- noneOptionElement.value = " ";
- noneOptionElement.setAttribute("hidden", true);
- noneOptionElement.setAttribute("selected", true);
- selectElement.prepend(noneOptionElement);
- removeEmptyEntry = () => {
- noneOptionElement.remove();
- selectElement.removeEventListener("input", removeEmptyEntry);
- removeEmptyEntry = null;
- };
- selectElement.addEventListener("input", removeEmptyEntry);
- }
- const getValue = isExport => {
- const name = isExport ? "value" : "textContent";
- const {
- options,
- multiple
- } = selectElement;
- if (!multiple) {
- return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
- }
- return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
- };
- let selectedValues = getValue(false);
- const getItems = event => {
- const options = event.target.options;
- return Array.prototype.map.call(options, option => {
- return {
- displayValue: option.textContent,
- exportValue: option.value
- };
- });
- };
- if (this.enableScripting && this.hasJSActions) {
- selectElement.addEventListener("updatefromsandbox", jsEvent => {
- const actions = {
- value(event) {
- removeEmptyEntry?.();
- const value = event.detail.value;
- const values = new Set(Array.isArray(value) ? value : [value]);
- for (const option of selectElement.options) {
- option.selected = values.has(option.value);
- }
- storage.setValue(id, {
- value: getValue(true)
- });
- selectedValues = getValue(false);
- },
- multipleSelection(event) {
- selectElement.multiple = true;
- },
- remove(event) {
- const options = selectElement.options;
- const index = event.detail.remove;
- options[index].selected = false;
- selectElement.remove(index);
- if (options.length > 0) {
- const i = Array.prototype.findIndex.call(options, option => option.selected);
- if (i === -1) {
- options[0].selected = true;
- }
- }
- storage.setValue(id, {
- value: getValue(true),
- items: getItems(event)
- });
- selectedValues = getValue(false);
- },
- clear(event) {
- while (selectElement.length !== 0) {
- selectElement.remove(0);
- }
- storage.setValue(id, {
- value: null,
- items: []
- });
- selectedValues = getValue(false);
- },
- insert(event) {
- const {
- index,
- displayValue,
- exportValue
- } = event.detail.insert;
- const selectChild = selectElement.children[index];
- const optionElement = document.createElement("option");
- optionElement.textContent = displayValue;
- optionElement.value = exportValue;
- if (selectChild) {
- selectChild.before(optionElement);
- } else {
- selectElement.append(optionElement);
- }
- storage.setValue(id, {
- value: getValue(true),
- items: getItems(event)
- });
- selectedValues = getValue(false);
- },
- items(event) {
- const {
- items
- } = event.detail;
- while (selectElement.length !== 0) {
- selectElement.remove(0);
- }
- for (const item of items) {
- const {
- displayValue,
- exportValue
- } = item;
- const optionElement = document.createElement("option");
- optionElement.textContent = displayValue;
- optionElement.value = exportValue;
- selectElement.append(optionElement);
- }
- if (selectElement.options.length > 0) {
- selectElement.options[0].selected = true;
- }
- storage.setValue(id, {
- value: getValue(true),
- items: getItems(event)
- });
- selectedValues = getValue(false);
- },
- indices(event) {
- const indices = new Set(event.detail.indices);
- for (const option of event.target.options) {
- option.selected = indices.has(option.index);
- }
- storage.setValue(id, {
- value: getValue(true)
- });
- selectedValues = getValue(false);
- },
- editable(event) {
- event.target.disabled = !event.detail.editable;
- }
- };
- this._dispatchEventFromSandbox(actions, jsEvent);
- });
- selectElement.addEventListener("input", event => {
- const exportValue = getValue(true);
- storage.setValue(id, {
- value: exportValue
- });
- event.preventDefault();
- this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
- source: this,
- detail: {
- id,
- name: "Keystroke",
- value: selectedValues,
- changeEx: exportValue,
- willCommit: false,
- commitKey: 1,
- keyDown: false
- }
- });
- });
- this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"]], event => event.target.checked);
- } else {
- selectElement.addEventListener("input", function (event) {
- storage.setValue(id, {
- value: getValue(true)
- });
- });
- }
- if (this.data.combo) {
- this._setTextStyle(selectElement);
- } else {}
- this._setBackgroundColor(selectElement);
- this._setDefaultPropertiesFromJS(selectElement);
- this.container.append(selectElement);
- return this.container;
- }
- }
- class PopupAnnotationElement extends AnnotationElement {
- static IGNORE_TYPES = new Set(["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"]);
- constructor(parameters) {
- const {
- data
- } = parameters;
- const isRenderable = !PopupAnnotationElement.IGNORE_TYPES.has(data.parentType) && !!(data.titleObj?.str || data.contentsObj?.str || data.richText?.str);
- super(parameters, {
- isRenderable
- });
- }
- render() {
- this.container.className = "popupAnnotation";
- const parentElements = this.layer.querySelectorAll(`[data-annotation-id="${this.data.parentId}"]`);
- if (parentElements.length === 0) {
- return this.container;
- }
- const popup = new PopupElement({
- container: this.container,
- trigger: Array.from(parentElements),
- color: this.data.color,
- titleObj: this.data.titleObj,
- modificationDate: this.data.modificationDate,
- contentsObj: this.data.contentsObj,
- richText: this.data.richText
- });
- const page = this.page;
- const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]);
- const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0];
- const popupTop = rect[1];
- const {
- pageWidth,
- pageHeight,
- pageX,
- pageY
- } = this.viewport.rawDims;
- this.container.style.left = `${100 * (popupLeft - pageX) / pageWidth}%`;
- this.container.style.top = `${100 * (popupTop - pageY) / pageHeight}%`;
- this.container.append(popup.render());
- return this.container;
- }
- }
- class PopupElement {
- constructor(parameters) {
- this.container = parameters.container;
- this.trigger = parameters.trigger;
- this.color = parameters.color;
- this.titleObj = parameters.titleObj;
- this.modificationDate = parameters.modificationDate;
- this.contentsObj = parameters.contentsObj;
- this.richText = parameters.richText;
- this.hideWrapper = parameters.hideWrapper || false;
- this.pinned = false;
- }
- render() {
- const BACKGROUND_ENLIGHT = 0.7;
- const wrapper = document.createElement("div");
- wrapper.className = "popupWrapper";
- this.hideElement = this.hideWrapper ? wrapper : this.container;
- this.hideElement.hidden = true;
- const popup = document.createElement("div");
- popup.className = "popup";
- const color = this.color;
- if (color) {
- const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
- const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
- const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
- popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0);
- }
- const title = document.createElement("h1");
- title.dir = this.titleObj.dir;
- title.textContent = this.titleObj.str;
- popup.append(title);
- const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
- if (dateObject) {
- const modificationDate = document.createElement("span");
- modificationDate.className = "popupDate";
- modificationDate.textContent = "{{date}}, {{time}}";
- modificationDate.dataset.l10nId = "annotation_date_string";
- modificationDate.dataset.l10nArgs = JSON.stringify({
- date: dateObject.toLocaleDateString(),
- time: dateObject.toLocaleTimeString()
- });
- popup.append(modificationDate);
- }
- if (this.richText?.str && (!this.contentsObj?.str || this.contentsObj.str === this.richText.str)) {
- _xfa_layer.XfaLayer.render({
- xfaHtml: this.richText.html,
- intent: "richText",
- div: popup
- });
- popup.lastChild.className = "richText popupContent";
- } else {
- const contents = this._formatContents(this.contentsObj);
- popup.append(contents);
- }
- if (!Array.isArray(this.trigger)) {
- this.trigger = [this.trigger];
- }
- for (const element of this.trigger) {
- element.addEventListener("click", this._toggle.bind(this));
- element.addEventListener("mouseover", this._show.bind(this, false));
- element.addEventListener("mouseout", this._hide.bind(this, false));
- }
- popup.addEventListener("click", this._hide.bind(this, true));
- wrapper.append(popup);
- return wrapper;
- }
- _formatContents({
- str,
- dir
- }) {
- const p = document.createElement("p");
- p.className = "popupContent";
- p.dir = dir;
- const lines = str.split(/(?:\r\n?|\n)/);
- for (let i = 0, ii = lines.length; i < ii; ++i) {
- const line = lines[i];
- p.append(document.createTextNode(line));
- if (i < ii - 1) {
- p.append(document.createElement("br"));
- }
- }
- return p;
- }
- _toggle() {
- if (this.pinned) {
- this._hide(true);
- } else {
- this._show(true);
- }
- }
- _show(pin = false) {
- if (pin) {
- this.pinned = true;
- }
- if (this.hideElement.hidden) {
- this.hideElement.hidden = false;
- this.container.style.zIndex = parseInt(this.container.style.zIndex) + 1000;
- }
- }
- _hide(unpin = true) {
- if (unpin) {
- this.pinned = false;
- }
- if (!this.hideElement.hidden && !this.pinned) {
- this.hideElement.hidden = true;
- this.container.style.zIndex = parseInt(this.container.style.zIndex) - 1000;
- }
- }
- }
- class FreeTextAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- this.textContent = parameters.data.textContent;
- }
- render() {
- this.container.className = "freeTextAnnotation";
- if (this.textContent) {
- const content = document.createElement("div");
- content.className = "annotationTextContent";
- content.setAttribute("role", "comment");
- for (const line of this.textContent) {
- const lineSpan = document.createElement("span");
- lineSpan.textContent = line;
- content.append(lineSpan);
- }
- this.container.append(content);
- }
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- return this.container;
- }
- }
- class LineAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- }
- render() {
- this.container.className = "lineAnnotation";
- const data = this.data;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const svg = this.svgFactory.create(width, height, true);
- const line = this.svgFactory.createElement("svg:line");
- line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
- line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
- line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
- line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
- line.setAttribute("stroke-width", data.borderStyle.width || 1);
- line.setAttribute("stroke", "transparent");
- line.setAttribute("fill", "transparent");
- svg.append(line);
- this.container.append(svg);
- this._createPopup(line, data);
- return this.container;
- }
- }
- class SquareAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- }
- render() {
- this.container.className = "squareAnnotation";
- const data = this.data;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const svg = this.svgFactory.create(width, height, true);
- const borderWidth = data.borderStyle.width;
- const square = this.svgFactory.createElement("svg:rect");
- square.setAttribute("x", borderWidth / 2);
- square.setAttribute("y", borderWidth / 2);
- square.setAttribute("width", width - borderWidth);
- square.setAttribute("height", height - borderWidth);
- square.setAttribute("stroke-width", borderWidth || 1);
- square.setAttribute("stroke", "transparent");
- square.setAttribute("fill", "transparent");
- svg.append(square);
- this.container.append(svg);
- this._createPopup(square, data);
- return this.container;
- }
- }
- class CircleAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- }
- render() {
- this.container.className = "circleAnnotation";
- const data = this.data;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const svg = this.svgFactory.create(width, height, true);
- const borderWidth = data.borderStyle.width;
- const circle = this.svgFactory.createElement("svg:ellipse");
- circle.setAttribute("cx", width / 2);
- circle.setAttribute("cy", height / 2);
- circle.setAttribute("rx", width / 2 - borderWidth / 2);
- circle.setAttribute("ry", height / 2 - borderWidth / 2);
- circle.setAttribute("stroke-width", borderWidth || 1);
- circle.setAttribute("stroke", "transparent");
- circle.setAttribute("fill", "transparent");
- svg.append(circle);
- this.container.append(svg);
- this._createPopup(circle, data);
- return this.container;
- }
- }
- class PolylineAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- this.containerClassName = "polylineAnnotation";
- this.svgElementName = "svg:polyline";
- }
- render() {
- this.container.className = this.containerClassName;
- const data = this.data;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const svg = this.svgFactory.create(width, height, true);
- let points = [];
- for (const coordinate of data.vertices) {
- const x = coordinate.x - data.rect[0];
- const y = data.rect[3] - coordinate.y;
- points.push(x + "," + y);
- }
- points = points.join(" ");
- const polyline = this.svgFactory.createElement(this.svgElementName);
- polyline.setAttribute("points", points);
- polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
- polyline.setAttribute("stroke", "transparent");
- polyline.setAttribute("fill", "transparent");
- svg.append(polyline);
- this.container.append(svg);
- this._createPopup(polyline, data);
- return this.container;
- }
- }
- class PolygonAnnotationElement extends PolylineAnnotationElement {
- constructor(parameters) {
- super(parameters);
- this.containerClassName = "polygonAnnotation";
- this.svgElementName = "svg:polygon";
- }
- }
- class CaretAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- }
- render() {
- this.container.className = "caretAnnotation";
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- return this.container;
- }
- }
- class InkAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- this.containerClassName = "inkAnnotation";
- this.svgElementName = "svg:polyline";
- }
- render() {
- this.container.className = this.containerClassName;
- const data = this.data;
- const {
- width,
- height
- } = getRectDims(data.rect);
- const svg = this.svgFactory.create(width, height, true);
- for (const inkList of data.inkLists) {
- let points = [];
- for (const coordinate of inkList) {
- const x = coordinate.x - data.rect[0];
- const y = data.rect[3] - coordinate.y;
- points.push(`${x},${y}`);
- }
- points = points.join(" ");
- const polyline = this.svgFactory.createElement(this.svgElementName);
- polyline.setAttribute("points", points);
- polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
- polyline.setAttribute("stroke", "transparent");
- polyline.setAttribute("fill", "transparent");
- this._createPopup(polyline, data);
- svg.append(polyline);
- }
- this.container.append(svg);
- return this.container;
- }
- }
- class HighlightAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true,
- createQuadrilaterals: true
- });
- }
- render() {
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- if (this.quadrilaterals) {
- return this._renderQuadrilaterals("highlightAnnotation");
- }
- this.container.className = "highlightAnnotation";
- return this.container;
- }
- }
- class UnderlineAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true,
- createQuadrilaterals: true
- });
- }
- render() {
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- if (this.quadrilaterals) {
- return this._renderQuadrilaterals("underlineAnnotation");
- }
- this.container.className = "underlineAnnotation";
- return this.container;
- }
- }
- class SquigglyAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true,
- createQuadrilaterals: true
- });
- }
- render() {
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- if (this.quadrilaterals) {
- return this._renderQuadrilaterals("squigglyAnnotation");
- }
- this.container.className = "squigglyAnnotation";
- return this.container;
- }
- }
- class StrikeOutAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true,
- createQuadrilaterals: true
- });
- }
- render() {
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- if (this.quadrilaterals) {
- return this._renderQuadrilaterals("strikeoutAnnotation");
- }
- this.container.className = "strikeoutAnnotation";
- return this.container;
- }
- }
- class StampAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
- super(parameters, {
- isRenderable,
- ignoreBorder: true
- });
- }
- render() {
- this.container.className = "stampAnnotation";
- if (!this.data.hasPopup) {
- this._createPopup(null, this.data);
- }
- return this.container;
- }
- }
- class FileAttachmentAnnotationElement extends AnnotationElement {
- constructor(parameters) {
- super(parameters, {
- isRenderable: true
- });
- const {
- filename,
- content
- } = this.data.file;
- this.filename = (0, _display_utils.getFilenameFromUrl)(filename, true);
- this.content = content;
- this.linkService.eventBus?.dispatch("fileattachmentannotation", {
- source: this,
- filename,
- content
- });
- }
- render() {
- this.container.className = "fileAttachmentAnnotation";
- let trigger;
- if (this.data.hasAppearance) {
- trigger = document.createElement("div");
- } else {
- trigger = document.createElement("img");
- trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(this.data.name) ? "paperclip" : "pushpin"}.svg`;
- }
- trigger.className = "popupTriggerArea";
- trigger.addEventListener("dblclick", this._download.bind(this));
- if (!this.data.hasPopup && (this.data.titleObj?.str || this.data.contentsObj?.str || this.data.richText)) {
- this._createPopup(trigger, this.data);
- }
- this.container.append(trigger);
- return this.container;
- }
- _download() {
- this.downloadManager?.openOrDownloadData(this.container, this.content, this.filename);
- }
- }
- class AnnotationLayer {
- static #appendElement(element, id, div, accessibilityManager) {
- const contentElement = element.firstChild || element;
- contentElement.id = `${_display_utils.AnnotationPrefix}${id}`;
- div.append(element);
- accessibilityManager?.moveElementInDOM(div, element, contentElement, false);
- }
- static render(params) {
- const {
- annotations,
- div,
- viewport,
- accessibilityManager
- } = params;
- (0, _display_utils.setLayerDimensions)(div, viewport);
- const elementParams = {
- data: null,
- layer: div,
- page: params.page,
- viewport,
- linkService: params.linkService,
- downloadManager: params.downloadManager,
- imageResourcesPath: params.imageResourcesPath || "",
- renderForms: params.renderForms !== false,
- svgFactory: new _display_utils.DOMSVGFactory(),
- annotationStorage: params.annotationStorage || new _annotation_storage.AnnotationStorage(),
- enableScripting: params.enableScripting === true,
- hasJSActions: params.hasJSActions,
- fieldObjects: params.fieldObjects
- };
- let zIndex = 0;
- for (const data of annotations) {
- if (data.annotationType !== _util.AnnotationType.POPUP) {
- const {
- width,
- height
- } = getRectDims(data.rect);
- if (width <= 0 || height <= 0) {
- continue;
- }
- }
- elementParams.data = data;
- const element = AnnotationElementFactory.create(elementParams);
- if (!element.isRenderable) {
- continue;
- }
- const rendered = element.render();
- if (data.hidden) {
- rendered.style.visibility = "hidden";
- }
- if (Array.isArray(rendered)) {
- for (const renderedElement of rendered) {
- renderedElement.style.zIndex = zIndex++;
- AnnotationLayer.#appendElement(renderedElement, data.id, div, accessibilityManager);
- }
- } else {
- rendered.style.zIndex = zIndex++;
- if (element instanceof PopupAnnotationElement) {
- div.prepend(rendered);
- } else {
- AnnotationLayer.#appendElement(rendered, data.id, div, accessibilityManager);
- }
- }
- }
- this.#setAnnotationCanvasMap(div, params.annotationCanvasMap);
- }
- static update(params) {
- const {
- annotationCanvasMap,
- div,
- viewport
- } = params;
- (0, _display_utils.setLayerDimensions)(div, {
- rotation: viewport.rotation
- });
- this.#setAnnotationCanvasMap(div, annotationCanvasMap);
- div.hidden = false;
- }
- static #setAnnotationCanvasMap(div, annotationCanvasMap) {
- if (!annotationCanvasMap) {
- return;
- }
- for (const [id, canvas] of annotationCanvasMap) {
- const element = div.querySelector(`[data-annotation-id="${id}"]`);
- if (!element) {
- continue;
- }
- const {
- firstChild
- } = element;
- if (!firstChild) {
- element.append(canvas);
- } else if (firstChild.nodeName === "CANVAS") {
- firstChild.replaceWith(canvas);
- } else {
- firstChild.before(canvas);
- }
- }
- annotationCanvasMap.clear();
- }
- }
- exports.AnnotationLayer = AnnotationLayer;
- /***/ }),
- /* 28 */
- /***/ ((__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.ColorConverters = void 0;
- function makeColorComp(n) {
- return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
- }
- class ColorConverters {
- static CMYK_G([c, y, m, k]) {
- return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
- }
- static G_CMYK([g]) {
- return ["CMYK", 0, 0, 0, 1 - g];
- }
- static G_RGB([g]) {
- return ["RGB", g, g, g];
- }
- static G_HTML([g]) {
- const G = makeColorComp(g);
- return `#${G}${G}${G}`;
- }
- static RGB_G([r, g, b]) {
- return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
- }
- static RGB_HTML([r, g, b]) {
- const R = makeColorComp(r);
- const G = makeColorComp(g);
- const B = makeColorComp(b);
- return `#${R}${G}${B}`;
- }
- static T_HTML() {
- return "#00000000";
- }
- static CMYK_RGB([c, y, m, k]) {
- return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)];
- }
- static CMYK_HTML(components) {
- const rgb = this.CMYK_RGB(components).slice(1);
- return this.RGB_HTML(rgb);
- }
- static RGB_CMYK([r, g, b]) {
- const c = 1 - r;
- const m = 1 - g;
- const y = 1 - b;
- const k = Math.min(c, m, y);
- return ["CMYK", c, m, y, k];
- }
- }
- exports.ColorConverters = ColorConverters;
- /***/ }),
- /* 29 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.XfaLayer = void 0;
- var _xfa_text = __w_pdfjs_require__(19);
- class XfaLayer {
- static setupStorage(html, id, element, storage, intent) {
- const storedData = storage.getValue(id, {
- value: null
- });
- switch (element.name) {
- case "textarea":
- if (storedData.value !== null) {
- html.textContent = storedData.value;
- }
- if (intent === "print") {
- break;
- }
- html.addEventListener("input", event => {
- storage.setValue(id, {
- value: event.target.value
- });
- });
- break;
- case "input":
- if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
- if (storedData.value === element.attributes.xfaOn) {
- html.setAttribute("checked", true);
- } else if (storedData.value === element.attributes.xfaOff) {
- html.removeAttribute("checked");
- }
- if (intent === "print") {
- break;
- }
- html.addEventListener("change", event => {
- storage.setValue(id, {
- value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
- });
- });
- } else {
- if (storedData.value !== null) {
- html.setAttribute("value", storedData.value);
- }
- if (intent === "print") {
- break;
- }
- html.addEventListener("input", event => {
- storage.setValue(id, {
- value: event.target.value
- });
- });
- }
- break;
- case "select":
- if (storedData.value !== null) {
- for (const option of element.children) {
- if (option.attributes.value === storedData.value) {
- option.attributes.selected = true;
- }
- }
- }
- html.addEventListener("input", event => {
- const options = event.target.options;
- const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
- storage.setValue(id, {
- value
- });
- });
- break;
- }
- }
- static setAttributes({
- html,
- element,
- storage = null,
- intent,
- linkService
- }) {
- const {
- attributes
- } = element;
- const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
- if (attributes.type === "radio") {
- attributes.name = `${attributes.name}-${intent}`;
- }
- for (const [key, value] of Object.entries(attributes)) {
- if (value === null || value === undefined) {
- continue;
- }
- switch (key) {
- case "class":
- if (value.length) {
- html.setAttribute(key, value.join(" "));
- }
- break;
- case "dataId":
- break;
- case "id":
- html.setAttribute("data-element-id", value);
- break;
- case "style":
- Object.assign(html.style, value);
- break;
- case "textContent":
- html.textContent = value;
- break;
- default:
- if (!isHTMLAnchorElement || key !== "href" && key !== "newWindow") {
- html.setAttribute(key, value);
- }
- }
- }
- if (isHTMLAnchorElement) {
- linkService.addLinkAttributes(html, attributes.href, attributes.newWindow);
- }
- if (storage && attributes.dataId) {
- this.setupStorage(html, attributes.dataId, element, storage);
- }
- }
- static render(parameters) {
- const storage = parameters.annotationStorage;
- const linkService = parameters.linkService;
- const root = parameters.xfaHtml;
- const intent = parameters.intent || "display";
- const rootHtml = document.createElement(root.name);
- if (root.attributes) {
- this.setAttributes({
- html: rootHtml,
- element: root,
- intent,
- linkService
- });
- }
- const stack = [[root, -1, rootHtml]];
- const rootDiv = parameters.div;
- rootDiv.append(rootHtml);
- if (parameters.viewport) {
- const transform = `matrix(${parameters.viewport.transform.join(",")})`;
- rootDiv.style.transform = transform;
- }
- if (intent !== "richText") {
- rootDiv.setAttribute("class", "xfaLayer xfaFont");
- }
- const textDivs = [];
- while (stack.length > 0) {
- const [parent, i, html] = stack.at(-1);
- if (i + 1 === parent.children.length) {
- stack.pop();
- continue;
- }
- const child = parent.children[++stack.at(-1)[1]];
- if (child === null) {
- continue;
- }
- const {
- name
- } = child;
- if (name === "#text") {
- const node = document.createTextNode(child.value);
- textDivs.push(node);
- html.append(node);
- continue;
- }
- let childHtml;
- if (child?.attributes?.xmlns) {
- childHtml = document.createElementNS(child.attributes.xmlns, name);
- } else {
- childHtml = document.createElement(name);
- }
- html.append(childHtml);
- if (child.attributes) {
- this.setAttributes({
- html: childHtml,
- element: child,
- storage,
- intent,
- linkService
- });
- }
- if (child.children && child.children.length > 0) {
- stack.push([child, -1, childHtml]);
- } else if (child.value) {
- const node = document.createTextNode(child.value);
- if (_xfa_text.XfaText.shouldBuildText(name)) {
- textDivs.push(node);
- }
- childHtml.append(node);
- }
- }
- for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
- el.setAttribute("readOnly", true);
- }
- return {
- textDivs
- };
- }
- static update(parameters) {
- const transform = `matrix(${parameters.viewport.transform.join(",")})`;
- parameters.div.style.transform = transform;
- parameters.div.hidden = false;
- }
- }
- exports.XfaLayer = XfaLayer;
- /***/ }),
- /* 30 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.SVGGraphics = void 0;
- var _display_utils = __w_pdfjs_require__(6);
- var _util = __w_pdfjs_require__(1);
- var _is_node = __w_pdfjs_require__(10);
- let SVGGraphics = class {
- constructor() {
- (0, _util.unreachable)("Not implemented: SVGGraphics");
- }
- };
- exports.SVGGraphics = SVGGraphics;
- {
- const SVG_DEFAULTS = {
- fontStyle: "normal",
- fontWeight: "normal",
- fillColor: "#000000"
- };
- const XML_NS = "http://www.w3.org/XML/1998/namespace";
- const XLINK_NS = "http://www.w3.org/1999/xlink";
- const LINE_CAP_STYLES = ["butt", "round", "square"];
- const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
- const createObjectURL = function (data, contentType = "", forceDataSchema = false) {
- if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) {
- return URL.createObjectURL(new Blob([data], {
- type: contentType
- }));
- }
- const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
- let buffer = `data:${contentType};base64,`;
- for (let i = 0, ii = data.length; i < ii; i += 3) {
- const b1 = data[i] & 0xff;
- const b2 = data[i + 1] & 0xff;
- const b3 = data[i + 2] & 0xff;
- const d1 = b1 >> 2,
- d2 = (b1 & 3) << 4 | b2 >> 4;
- const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
- const d4 = i + 2 < ii ? b3 & 0x3f : 64;
- buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
- }
- return buffer;
- };
- const convertImgDataToPng = function () {
- const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
- const CHUNK_WRAPPER_SIZE = 12;
- const crcTable = new Int32Array(256);
- for (let i = 0; i < 256; i++) {
- let c = i;
- for (let h = 0; h < 8; h++) {
- if (c & 1) {
- c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
- } else {
- c = c >> 1 & 0x7fffffff;
- }
- }
- crcTable[i] = c;
- }
- function crc32(data, start, end) {
- let crc = -1;
- for (let i = start; i < end; i++) {
- const a = (crc ^ data[i]) & 0xff;
- const b = crcTable[a];
- crc = crc >>> 8 ^ b;
- }
- return crc ^ -1;
- }
- function writePngChunk(type, body, data, offset) {
- let p = offset;
- const len = body.length;
- data[p] = len >> 24 & 0xff;
- data[p + 1] = len >> 16 & 0xff;
- data[p + 2] = len >> 8 & 0xff;
- data[p + 3] = len & 0xff;
- p += 4;
- data[p] = type.charCodeAt(0) & 0xff;
- data[p + 1] = type.charCodeAt(1) & 0xff;
- data[p + 2] = type.charCodeAt(2) & 0xff;
- data[p + 3] = type.charCodeAt(3) & 0xff;
- p += 4;
- data.set(body, p);
- p += body.length;
- const crc = crc32(data, offset + 4, p);
- data[p] = crc >> 24 & 0xff;
- data[p + 1] = crc >> 16 & 0xff;
- data[p + 2] = crc >> 8 & 0xff;
- data[p + 3] = crc & 0xff;
- }
- function adler32(data, start, end) {
- let a = 1;
- let b = 0;
- for (let i = start; i < end; ++i) {
- a = (a + (data[i] & 0xff)) % 65521;
- b = (b + a) % 65521;
- }
- return b << 16 | a;
- }
- function deflateSync(literals) {
- if (!_is_node.isNodeJS) {
- return deflateSyncUncompressed(literals);
- }
- try {
- let input;
- if (parseInt(process.versions.node) >= 8) {
- input = literals;
- } else {
- input = Buffer.from(literals);
- }
- const output = require("zlib").deflateSync(input, {
- level: 9
- });
- return output instanceof Uint8Array ? output : new Uint8Array(output);
- } catch (e) {
- (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
- }
- return deflateSyncUncompressed(literals);
- }
- function deflateSyncUncompressed(literals) {
- let len = literals.length;
- const maxBlockLength = 0xffff;
- const deflateBlocks = Math.ceil(len / maxBlockLength);
- const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
- let pi = 0;
- idat[pi++] = 0x78;
- idat[pi++] = 0x9c;
- let pos = 0;
- while (len > maxBlockLength) {
- idat[pi++] = 0x00;
- idat[pi++] = 0xff;
- idat[pi++] = 0xff;
- idat[pi++] = 0x00;
- idat[pi++] = 0x00;
- idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
- pi += maxBlockLength;
- pos += maxBlockLength;
- len -= maxBlockLength;
- }
- idat[pi++] = 0x01;
- idat[pi++] = len & 0xff;
- idat[pi++] = len >> 8 & 0xff;
- idat[pi++] = ~len & 0xffff & 0xff;
- idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
- idat.set(literals.subarray(pos), pi);
- pi += literals.length - pos;
- const adler = adler32(literals, 0, literals.length);
- idat[pi++] = adler >> 24 & 0xff;
- idat[pi++] = adler >> 16 & 0xff;
- idat[pi++] = adler >> 8 & 0xff;
- idat[pi++] = adler & 0xff;
- return idat;
- }
- function encode(imgData, kind, forceDataSchema, isMask) {
- const width = imgData.width;
- const height = imgData.height;
- let bitDepth, colorType, lineSize;
- const bytes = imgData.data;
- switch (kind) {
- case _util.ImageKind.GRAYSCALE_1BPP:
- colorType = 0;
- bitDepth = 1;
- lineSize = width + 7 >> 3;
- break;
- case _util.ImageKind.RGB_24BPP:
- colorType = 2;
- bitDepth = 8;
- lineSize = width * 3;
- break;
- case _util.ImageKind.RGBA_32BPP:
- colorType = 6;
- bitDepth = 8;
- lineSize = width * 4;
- break;
- default:
- throw new Error("invalid format");
- }
- const literals = new Uint8Array((1 + lineSize) * height);
- let offsetLiterals = 0,
- offsetBytes = 0;
- for (let y = 0; y < height; ++y) {
- literals[offsetLiterals++] = 0;
- literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
- offsetBytes += lineSize;
- offsetLiterals += lineSize;
- }
- if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
- offsetLiterals = 0;
- for (let y = 0; y < height; y++) {
- offsetLiterals++;
- for (let i = 0; i < lineSize; i++) {
- literals[offsetLiterals++] ^= 0xff;
- }
- }
- }
- const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
- const idat = deflateSync(literals);
- const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
- const data = new Uint8Array(pngLength);
- let offset = 0;
- data.set(PNG_HEADER, offset);
- offset += PNG_HEADER.length;
- writePngChunk("IHDR", ihdr, data, offset);
- offset += CHUNK_WRAPPER_SIZE + ihdr.length;
- writePngChunk("IDATA", idat, data, offset);
- offset += CHUNK_WRAPPER_SIZE + idat.length;
- writePngChunk("IEND", new Uint8Array(0), data, offset);
- return createObjectURL(data, "image/png", forceDataSchema);
- }
- return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
- const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
- return encode(imgData, kind, forceDataSchema, isMask);
- };
- }();
- class SVGExtraState {
- constructor() {
- this.fontSizeScale = 1;
- this.fontWeight = SVG_DEFAULTS.fontWeight;
- this.fontSize = 0;
- this.textMatrix = _util.IDENTITY_MATRIX;
- this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
- this.leading = 0;
- this.textRenderingMode = _util.TextRenderingMode.FILL;
- this.textMatrixScale = 1;
- this.x = 0;
- this.y = 0;
- this.lineX = 0;
- this.lineY = 0;
- this.charSpacing = 0;
- this.wordSpacing = 0;
- this.textHScale = 1;
- this.textRise = 0;
- this.fillColor = SVG_DEFAULTS.fillColor;
- this.strokeColor = "#000000";
- this.fillAlpha = 1;
- this.strokeAlpha = 1;
- this.lineWidth = 1;
- this.lineJoin = "";
- this.lineCap = "";
- this.miterLimit = 0;
- this.dashArray = [];
- this.dashPhase = 0;
- this.dependencies = [];
- this.activeClipUrl = null;
- this.clipGroup = null;
- this.maskId = "";
- }
- clone() {
- return Object.create(this);
- }
- setCurrentPoint(x, y) {
- this.x = x;
- this.y = y;
- }
- }
- function opListToTree(opList) {
- let opTree = [];
- const tmp = [];
- for (const opListElement of opList) {
- if (opListElement.fn === "save") {
- opTree.push({
- fnId: 92,
- fn: "group",
- items: []
- });
- tmp.push(opTree);
- opTree = opTree.at(-1).items;
- continue;
- }
- if (opListElement.fn === "restore") {
- opTree = tmp.pop();
- } else {
- opTree.push(opListElement);
- }
- }
- return opTree;
- }
- function pf(value) {
- if (Number.isInteger(value)) {
- return value.toString();
- }
- const s = value.toFixed(10);
- let i = s.length - 1;
- if (s[i] !== "0") {
- return s;
- }
- do {
- i--;
- } while (s[i] === "0");
- return s.substring(0, s[i] === "." ? i : i + 1);
- }
- function pm(m) {
- if (m[4] === 0 && m[5] === 0) {
- if (m[1] === 0 && m[2] === 0) {
- if (m[0] === 1 && m[3] === 1) {
- return "";
- }
- return `scale(${pf(m[0])} ${pf(m[3])})`;
- }
- if (m[0] === m[3] && m[1] === -m[2]) {
- const a = Math.acos(m[0]) * 180 / Math.PI;
- return `rotate(${pf(a)})`;
- }
- } else {
- if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
- return `translate(${pf(m[4])} ${pf(m[5])})`;
- }
- }
- return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
- }
- let clipCount = 0;
- let maskCount = 0;
- let shadingCount = 0;
- exports.SVGGraphics = SVGGraphics = class {
- constructor(commonObjs, objs, forceDataSchema = false) {
- (0, _display_utils.deprecated)("The SVG back-end is no longer maintained and *may* be removed in the future.");
- this.svgFactory = new _display_utils.DOMSVGFactory();
- this.current = new SVGExtraState();
- this.transformMatrix = _util.IDENTITY_MATRIX;
- this.transformStack = [];
- this.extraStack = [];
- this.commonObjs = commonObjs;
- this.objs = objs;
- this.pendingClip = null;
- this.pendingEOFill = false;
- this.embedFonts = false;
- this.embeddedFonts = Object.create(null);
- this.cssStyle = null;
- this.forceDataSchema = !!forceDataSchema;
- this._operatorIdMapping = [];
- for (const op in _util.OPS) {
- this._operatorIdMapping[_util.OPS[op]] = op;
- }
- }
- getObject(data, fallback = null) {
- if (typeof data === "string") {
- return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
- }
- return fallback;
- }
- save() {
- this.transformStack.push(this.transformMatrix);
- const old = this.current;
- this.extraStack.push(old);
- this.current = old.clone();
- }
- restore() {
- this.transformMatrix = this.transformStack.pop();
- this.current = this.extraStack.pop();
- this.pendingClip = null;
- this.tgrp = null;
- }
- group(items) {
- this.save();
- this.executeOpTree(items);
- this.restore();
- }
- loadDependencies(operatorList) {
- const fnArray = operatorList.fnArray;
- const argsArray = operatorList.argsArray;
- for (let i = 0, ii = fnArray.length; i < ii; i++) {
- if (fnArray[i] !== _util.OPS.dependency) {
- continue;
- }
- for (const obj of argsArray[i]) {
- const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
- const promise = new Promise(resolve => {
- objsPool.get(obj, resolve);
- });
- this.current.dependencies.push(promise);
- }
- }
- return Promise.all(this.current.dependencies);
- }
- transform(a, b, c, d, e, f) {
- const transformMatrix = [a, b, c, d, e, f];
- this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
- this.tgrp = null;
- }
- getSVG(operatorList, viewport) {
- this.viewport = viewport;
- const svgElement = this._initialize(viewport);
- return this.loadDependencies(operatorList).then(() => {
- this.transformMatrix = _util.IDENTITY_MATRIX;
- this.executeOpTree(this.convertOpList(operatorList));
- return svgElement;
- });
- }
- convertOpList(operatorList) {
- const operatorIdMapping = this._operatorIdMapping;
- const argsArray = operatorList.argsArray;
- const fnArray = operatorList.fnArray;
- const opList = [];
- for (let i = 0, ii = fnArray.length; i < ii; i++) {
- const fnId = fnArray[i];
- opList.push({
- fnId,
- fn: operatorIdMapping[fnId],
- args: argsArray[i]
- });
- }
- return opListToTree(opList);
- }
- executeOpTree(opTree) {
- for (const opTreeElement of opTree) {
- const fn = opTreeElement.fn;
- const fnId = opTreeElement.fnId;
- const args = opTreeElement.args;
- switch (fnId | 0) {
- case _util.OPS.beginText:
- this.beginText();
- break;
- case _util.OPS.dependency:
- break;
- case _util.OPS.setLeading:
- this.setLeading(args);
- break;
- case _util.OPS.setLeadingMoveText:
- this.setLeadingMoveText(args[0], args[1]);
- break;
- case _util.OPS.setFont:
- this.setFont(args);
- break;
- case _util.OPS.showText:
- this.showText(args[0]);
- break;
- case _util.OPS.showSpacedText:
- this.showText(args[0]);
- break;
- case _util.OPS.endText:
- this.endText();
- break;
- case _util.OPS.moveText:
- this.moveText(args[0], args[1]);
- break;
- case _util.OPS.setCharSpacing:
- this.setCharSpacing(args[0]);
- break;
- case _util.OPS.setWordSpacing:
- this.setWordSpacing(args[0]);
- break;
- case _util.OPS.setHScale:
- this.setHScale(args[0]);
- break;
- case _util.OPS.setTextMatrix:
- this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
- break;
- case _util.OPS.setTextRise:
- this.setTextRise(args[0]);
- break;
- case _util.OPS.setTextRenderingMode:
- this.setTextRenderingMode(args[0]);
- break;
- case _util.OPS.setLineWidth:
- this.setLineWidth(args[0]);
- break;
- case _util.OPS.setLineJoin:
- this.setLineJoin(args[0]);
- break;
- case _util.OPS.setLineCap:
- this.setLineCap(args[0]);
- break;
- case _util.OPS.setMiterLimit:
- this.setMiterLimit(args[0]);
- break;
- case _util.OPS.setFillRGBColor:
- this.setFillRGBColor(args[0], args[1], args[2]);
- break;
- case _util.OPS.setStrokeRGBColor:
- this.setStrokeRGBColor(args[0], args[1], args[2]);
- break;
- case _util.OPS.setStrokeColorN:
- this.setStrokeColorN(args);
- break;
- case _util.OPS.setFillColorN:
- this.setFillColorN(args);
- break;
- case _util.OPS.shadingFill:
- this.shadingFill(args[0]);
- break;
- case _util.OPS.setDash:
- this.setDash(args[0], args[1]);
- break;
- case _util.OPS.setRenderingIntent:
- this.setRenderingIntent(args[0]);
- break;
- case _util.OPS.setFlatness:
- this.setFlatness(args[0]);
- break;
- case _util.OPS.setGState:
- this.setGState(args[0]);
- break;
- case _util.OPS.fill:
- this.fill();
- break;
- case _util.OPS.eoFill:
- this.eoFill();
- break;
- case _util.OPS.stroke:
- this.stroke();
- break;
- case _util.OPS.fillStroke:
- this.fillStroke();
- break;
- case _util.OPS.eoFillStroke:
- this.eoFillStroke();
- break;
- case _util.OPS.clip:
- this.clip("nonzero");
- break;
- case _util.OPS.eoClip:
- this.clip("evenodd");
- break;
- case _util.OPS.paintSolidColorImageMask:
- this.paintSolidColorImageMask();
- break;
- case _util.OPS.paintImageXObject:
- this.paintImageXObject(args[0]);
- break;
- case _util.OPS.paintInlineImageXObject:
- this.paintInlineImageXObject(args[0]);
- break;
- case _util.OPS.paintImageMaskXObject:
- this.paintImageMaskXObject(args[0]);
- break;
- case _util.OPS.paintFormXObjectBegin:
- this.paintFormXObjectBegin(args[0], args[1]);
- break;
- case _util.OPS.paintFormXObjectEnd:
- this.paintFormXObjectEnd();
- break;
- case _util.OPS.closePath:
- this.closePath();
- break;
- case _util.OPS.closeStroke:
- this.closeStroke();
- break;
- case _util.OPS.closeFillStroke:
- this.closeFillStroke();
- break;
- case _util.OPS.closeEOFillStroke:
- this.closeEOFillStroke();
- break;
- case _util.OPS.nextLine:
- this.nextLine();
- break;
- case _util.OPS.transform:
- this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
- break;
- case _util.OPS.constructPath:
- this.constructPath(args[0], args[1]);
- break;
- case _util.OPS.endPath:
- this.endPath();
- break;
- case 92:
- this.group(opTreeElement.items);
- break;
- default:
- (0, _util.warn)(`Unimplemented operator ${fn}`);
- break;
- }
- }
- }
- setWordSpacing(wordSpacing) {
- this.current.wordSpacing = wordSpacing;
- }
- setCharSpacing(charSpacing) {
- this.current.charSpacing = charSpacing;
- }
- nextLine() {
- this.moveText(0, this.current.leading);
- }
- setTextMatrix(a, b, c, d, e, f) {
- const current = this.current;
- current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
- current.textMatrixScale = Math.hypot(a, b);
- current.x = current.lineX = 0;
- current.y = current.lineY = 0;
- current.xcoords = [];
- current.ycoords = [];
- current.tspan = this.svgFactory.createElement("svg:tspan");
- current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
- current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
- current.tspan.setAttributeNS(null, "y", pf(-current.y));
- current.txtElement = this.svgFactory.createElement("svg:text");
- current.txtElement.append(current.tspan);
- }
- beginText() {
- const current = this.current;
- current.x = current.lineX = 0;
- current.y = current.lineY = 0;
- current.textMatrix = _util.IDENTITY_MATRIX;
- current.lineMatrix = _util.IDENTITY_MATRIX;
- current.textMatrixScale = 1;
- current.tspan = this.svgFactory.createElement("svg:tspan");
- current.txtElement = this.svgFactory.createElement("svg:text");
- current.txtgrp = this.svgFactory.createElement("svg:g");
- current.xcoords = [];
- current.ycoords = [];
- }
- moveText(x, y) {
- const current = this.current;
- current.x = current.lineX += x;
- current.y = current.lineY += y;
- current.xcoords = [];
- current.ycoords = [];
- current.tspan = this.svgFactory.createElement("svg:tspan");
- current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
- current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
- current.tspan.setAttributeNS(null, "y", pf(-current.y));
- }
- showText(glyphs) {
- const current = this.current;
- const font = current.font;
- const fontSize = current.fontSize;
- if (fontSize === 0) {
- return;
- }
- const fontSizeScale = current.fontSizeScale;
- const charSpacing = current.charSpacing;
- const wordSpacing = current.wordSpacing;
- const fontDirection = current.fontDirection;
- const textHScale = current.textHScale * fontDirection;
- const vertical = font.vertical;
- const spacingDir = vertical ? 1 : -1;
- const defaultVMetrics = font.defaultVMetrics;
- const widthAdvanceScale = fontSize * current.fontMatrix[0];
- let x = 0;
- for (const glyph of glyphs) {
- if (glyph === null) {
- x += fontDirection * wordSpacing;
- continue;
- } else if (typeof glyph === "number") {
- x += spacingDir * glyph * fontSize / 1000;
- continue;
- }
- const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
- const character = glyph.fontChar;
- let scaledX, scaledY;
- let width = glyph.width;
- if (vertical) {
- let vx;
- const vmetric = glyph.vmetric || defaultVMetrics;
- vx = glyph.vmetric ? vmetric[1] : width * 0.5;
- vx = -vx * widthAdvanceScale;
- const vy = vmetric[2] * widthAdvanceScale;
- width = vmetric ? -vmetric[0] : width;
- scaledX = vx / fontSizeScale;
- scaledY = (x + vy) / fontSizeScale;
- } else {
- scaledX = x / fontSizeScale;
- scaledY = 0;
- }
- if (glyph.isInFont || font.missingFile) {
- current.xcoords.push(current.x + scaledX);
- if (vertical) {
- current.ycoords.push(-current.y + scaledY);
- }
- current.tspan.textContent += character;
- } else {}
- let charWidth;
- if (vertical) {
- charWidth = width * widthAdvanceScale - spacing * fontDirection;
- } else {
- charWidth = width * widthAdvanceScale + spacing * fontDirection;
- }
- x += charWidth;
- }
- current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
- if (vertical) {
- current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
- } else {
- current.tspan.setAttributeNS(null, "y", pf(-current.y));
- }
- if (vertical) {
- current.y -= x;
- } else {
- current.x += x * textHScale;
- }
- current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
- current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
- if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
- current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
- }
- if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
- current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
- }
- const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
- if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- if (current.fillColor !== SVG_DEFAULTS.fillColor) {
- current.tspan.setAttributeNS(null, "fill", current.fillColor);
- }
- if (current.fillAlpha < 1) {
- current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
- }
- } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
- current.tspan.setAttributeNS(null, "fill", "transparent");
- } else {
- current.tspan.setAttributeNS(null, "fill", "none");
- }
- if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
- const lineWidthScale = 1 / (current.textMatrixScale || 1);
- this._setStrokeAttributes(current.tspan, lineWidthScale);
- }
- let textMatrix = current.textMatrix;
- if (current.textRise !== 0) {
- textMatrix = textMatrix.slice();
- textMatrix[5] += current.textRise;
- }
- current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
- current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
- current.txtElement.append(current.tspan);
- current.txtgrp.append(current.txtElement);
- this._ensureTransformGroup().append(current.txtElement);
- }
- setLeadingMoveText(x, y) {
- this.setLeading(-y);
- this.moveText(x, y);
- }
- addFontStyle(fontObj) {
- if (!fontObj.data) {
- throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
- }
- if (!this.cssStyle) {
- this.cssStyle = this.svgFactory.createElement("svg:style");
- this.cssStyle.setAttributeNS(null, "type", "text/css");
- this.defs.append(this.cssStyle);
- }
- const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
- this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
- }
- setFont(details) {
- const current = this.current;
- const fontObj = this.commonObjs.get(details[0]);
- let size = details[1];
- current.font = fontObj;
- if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
- this.addFontStyle(fontObj);
- this.embeddedFonts[fontObj.loadedName] = fontObj;
- }
- current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
- let bold = "normal";
- if (fontObj.black) {
- bold = "900";
- } else if (fontObj.bold) {
- bold = "bold";
- }
- const italic = fontObj.italic ? "italic" : "normal";
- if (size < 0) {
- size = -size;
- current.fontDirection = -1;
- } else {
- current.fontDirection = 1;
- }
- current.fontSize = size;
- current.fontFamily = fontObj.loadedName;
- current.fontWeight = bold;
- current.fontStyle = italic;
- current.tspan = this.svgFactory.createElement("svg:tspan");
- current.tspan.setAttributeNS(null, "y", pf(-current.y));
- current.xcoords = [];
- current.ycoords = [];
- }
- endText() {
- const current = this.current;
- if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) {
- current.element = current.txtElement;
- this.clip("nonzero");
- this.endPath();
- }
- }
- setLineWidth(width) {
- if (width > 0) {
- this.current.lineWidth = width;
- }
- }
- setLineCap(style) {
- this.current.lineCap = LINE_CAP_STYLES[style];
- }
- setLineJoin(style) {
- this.current.lineJoin = LINE_JOIN_STYLES[style];
- }
- setMiterLimit(limit) {
- this.current.miterLimit = limit;
- }
- setStrokeAlpha(strokeAlpha) {
- this.current.strokeAlpha = strokeAlpha;
- }
- setStrokeRGBColor(r, g, b) {
- this.current.strokeColor = _util.Util.makeHexColor(r, g, b);
- }
- setFillAlpha(fillAlpha) {
- this.current.fillAlpha = fillAlpha;
- }
- setFillRGBColor(r, g, b) {
- this.current.fillColor = _util.Util.makeHexColor(r, g, b);
- this.current.tspan = this.svgFactory.createElement("svg:tspan");
- this.current.xcoords = [];
- this.current.ycoords = [];
- }
- setStrokeColorN(args) {
- this.current.strokeColor = this._makeColorN_Pattern(args);
- }
- setFillColorN(args) {
- this.current.fillColor = this._makeColorN_Pattern(args);
- }
- shadingFill(args) {
- const width = this.viewport.width;
- const height = this.viewport.height;
- const inv = _util.Util.inverseTransform(this.transformMatrix);
- const bl = _util.Util.applyTransform([0, 0], inv);
- const br = _util.Util.applyTransform([0, height], inv);
- const ul = _util.Util.applyTransform([width, 0], inv);
- const ur = _util.Util.applyTransform([width, height], inv);
- const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
- const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
- const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
- const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
- const rect = this.svgFactory.createElement("svg:rect");
- rect.setAttributeNS(null, "x", x0);
- rect.setAttributeNS(null, "y", y0);
- rect.setAttributeNS(null, "width", x1 - x0);
- rect.setAttributeNS(null, "height", y1 - y0);
- rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
- if (this.current.fillAlpha < 1) {
- rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
- }
- this._ensureTransformGroup().append(rect);
- }
- _makeColorN_Pattern(args) {
- if (args[0] === "TilingPattern") {
- return this._makeTilingPattern(args);
- }
- return this._makeShadingPattern(args);
- }
- _makeTilingPattern(args) {
- const color = args[1];
- const operatorList = args[2];
- const matrix = args[3] || _util.IDENTITY_MATRIX;
- const [x0, y0, x1, y1] = args[4];
- const xstep = args[5];
- const ystep = args[6];
- const paintType = args[7];
- const tilingId = `shading${shadingCount++}`;
- const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]);
- const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
- const txstep = xstep * xscale;
- const tystep = ystep * yscale;
- const tiling = this.svgFactory.createElement("svg:pattern");
- tiling.setAttributeNS(null, "id", tilingId);
- tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
- tiling.setAttributeNS(null, "width", txstep);
- tiling.setAttributeNS(null, "height", tystep);
- tiling.setAttributeNS(null, "x", `${tx0}`);
- tiling.setAttributeNS(null, "y", `${ty0}`);
- const svg = this.svg;
- const transformMatrix = this.transformMatrix;
- const fillColor = this.current.fillColor;
- const strokeColor = this.current.strokeColor;
- const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
- this.svg = bbox;
- this.transformMatrix = matrix;
- if (paintType === 2) {
- const cssColor = _util.Util.makeHexColor(...color);
- this.current.fillColor = cssColor;
- this.current.strokeColor = cssColor;
- }
- this.executeOpTree(this.convertOpList(operatorList));
- this.svg = svg;
- this.transformMatrix = transformMatrix;
- this.current.fillColor = fillColor;
- this.current.strokeColor = strokeColor;
- tiling.append(bbox.childNodes[0]);
- this.defs.append(tiling);
- return `url(#${tilingId})`;
- }
- _makeShadingPattern(args) {
- if (typeof args === "string") {
- args = this.objs.get(args);
- }
- switch (args[0]) {
- case "RadialAxial":
- const shadingId = `shading${shadingCount++}`;
- const colorStops = args[3];
- let gradient;
- switch (args[1]) {
- case "axial":
- const point0 = args[4];
- const point1 = args[5];
- gradient = this.svgFactory.createElement("svg:linearGradient");
- gradient.setAttributeNS(null, "id", shadingId);
- gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
- gradient.setAttributeNS(null, "x1", point0[0]);
- gradient.setAttributeNS(null, "y1", point0[1]);
- gradient.setAttributeNS(null, "x2", point1[0]);
- gradient.setAttributeNS(null, "y2", point1[1]);
- break;
- case "radial":
- const focalPoint = args[4];
- const circlePoint = args[5];
- const focalRadius = args[6];
- const circleRadius = args[7];
- gradient = this.svgFactory.createElement("svg:radialGradient");
- gradient.setAttributeNS(null, "id", shadingId);
- gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
- gradient.setAttributeNS(null, "cx", circlePoint[0]);
- gradient.setAttributeNS(null, "cy", circlePoint[1]);
- gradient.setAttributeNS(null, "r", circleRadius);
- gradient.setAttributeNS(null, "fx", focalPoint[0]);
- gradient.setAttributeNS(null, "fy", focalPoint[1]);
- gradient.setAttributeNS(null, "fr", focalRadius);
- break;
- default:
- throw new Error(`Unknown RadialAxial type: ${args[1]}`);
- }
- for (const colorStop of colorStops) {
- const stop = this.svgFactory.createElement("svg:stop");
- stop.setAttributeNS(null, "offset", colorStop[0]);
- stop.setAttributeNS(null, "stop-color", colorStop[1]);
- gradient.append(stop);
- }
- this.defs.append(gradient);
- return `url(#${shadingId})`;
- case "Mesh":
- (0, _util.warn)("Unimplemented pattern Mesh");
- return null;
- case "Dummy":
- return "hotpink";
- default:
- throw new Error(`Unknown IR type: ${args[0]}`);
- }
- }
- setDash(dashArray, dashPhase) {
- this.current.dashArray = dashArray;
- this.current.dashPhase = dashPhase;
- }
- constructPath(ops, args) {
- const current = this.current;
- let x = current.x,
- y = current.y;
- let d = [];
- let j = 0;
- for (const op of ops) {
- switch (op | 0) {
- case _util.OPS.rectangle:
- x = args[j++];
- y = args[j++];
- const width = args[j++];
- const height = args[j++];
- const xw = x + width;
- const yh = y + height;
- d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
- break;
- case _util.OPS.moveTo:
- x = args[j++];
- y = args[j++];
- d.push("M", pf(x), pf(y));
- break;
- case _util.OPS.lineTo:
- x = args[j++];
- y = args[j++];
- d.push("L", pf(x), pf(y));
- break;
- case _util.OPS.curveTo:
- x = args[j + 4];
- y = args[j + 5];
- d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
- j += 6;
- break;
- case _util.OPS.curveTo2:
- d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
- x = args[j + 2];
- y = args[j + 3];
- j += 4;
- break;
- case _util.OPS.curveTo3:
- x = args[j + 2];
- y = args[j + 3];
- d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
- j += 4;
- break;
- case _util.OPS.closePath:
- d.push("Z");
- break;
- }
- }
- d = d.join(" ");
- if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
- d = current.path.getAttributeNS(null, "d") + d;
- } else {
- current.path = this.svgFactory.createElement("svg:path");
- this._ensureTransformGroup().append(current.path);
- }
- current.path.setAttributeNS(null, "d", d);
- current.path.setAttributeNS(null, "fill", "none");
- current.element = current.path;
- current.setCurrentPoint(x, y);
- }
- endPath() {
- const current = this.current;
- current.path = null;
- if (!this.pendingClip) {
- return;
- }
- if (!current.element) {
- this.pendingClip = null;
- return;
- }
- const clipId = `clippath${clipCount++}`;
- const clipPath = this.svgFactory.createElement("svg:clipPath");
- clipPath.setAttributeNS(null, "id", clipId);
- clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
- const clipElement = current.element.cloneNode(true);
- if (this.pendingClip === "evenodd") {
- clipElement.setAttributeNS(null, "clip-rule", "evenodd");
- } else {
- clipElement.setAttributeNS(null, "clip-rule", "nonzero");
- }
- this.pendingClip = null;
- clipPath.append(clipElement);
- this.defs.append(clipPath);
- if (current.activeClipUrl) {
- current.clipGroup = null;
- for (const prev of this.extraStack) {
- prev.clipGroup = null;
- }
- clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
- }
- current.activeClipUrl = `url(#${clipId})`;
- this.tgrp = null;
- }
- clip(type) {
- this.pendingClip = type;
- }
- closePath() {
- const current = this.current;
- if (current.path) {
- const d = `${current.path.getAttributeNS(null, "d")}Z`;
- current.path.setAttributeNS(null, "d", d);
- }
- }
- setLeading(leading) {
- this.current.leading = -leading;
- }
- setTextRise(textRise) {
- this.current.textRise = textRise;
- }
- setTextRenderingMode(textRenderingMode) {
- this.current.textRenderingMode = textRenderingMode;
- }
- setHScale(scale) {
- this.current.textHScale = scale / 100;
- }
- setRenderingIntent(intent) {}
- setFlatness(flatness) {}
- setGState(states) {
- for (const [key, value] of states) {
- switch (key) {
- case "LW":
- this.setLineWidth(value);
- break;
- case "LC":
- this.setLineCap(value);
- break;
- case "LJ":
- this.setLineJoin(value);
- break;
- case "ML":
- this.setMiterLimit(value);
- break;
- case "D":
- this.setDash(value[0], value[1]);
- break;
- case "RI":
- this.setRenderingIntent(value);
- break;
- case "FL":
- this.setFlatness(value);
- break;
- case "Font":
- this.setFont(value);
- break;
- case "CA":
- this.setStrokeAlpha(value);
- break;
- case "ca":
- this.setFillAlpha(value);
- break;
- default:
- (0, _util.warn)(`Unimplemented graphic state operator ${key}`);
- break;
- }
- }
- }
- fill() {
- const current = this.current;
- if (current.element) {
- current.element.setAttributeNS(null, "fill", current.fillColor);
- current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
- this.endPath();
- }
- }
- stroke() {
- const current = this.current;
- if (current.element) {
- this._setStrokeAttributes(current.element);
- current.element.setAttributeNS(null, "fill", "none");
- this.endPath();
- }
- }
- _setStrokeAttributes(element, lineWidthScale = 1) {
- const current = this.current;
- let dashArray = current.dashArray;
- if (lineWidthScale !== 1 && dashArray.length > 0) {
- dashArray = dashArray.map(function (value) {
- return lineWidthScale * value;
- });
- }
- element.setAttributeNS(null, "stroke", current.strokeColor);
- element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
- element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
- element.setAttributeNS(null, "stroke-linecap", current.lineCap);
- element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
- element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
- element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
- element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
- }
- eoFill() {
- this.current.element?.setAttributeNS(null, "fill-rule", "evenodd");
- this.fill();
- }
- fillStroke() {
- this.stroke();
- this.fill();
- }
- eoFillStroke() {
- this.current.element?.setAttributeNS(null, "fill-rule", "evenodd");
- this.fillStroke();
- }
- closeStroke() {
- this.closePath();
- this.stroke();
- }
- closeFillStroke() {
- this.closePath();
- this.fillStroke();
- }
- closeEOFillStroke() {
- this.closePath();
- this.eoFillStroke();
- }
- paintSolidColorImageMask() {
- const rect = this.svgFactory.createElement("svg:rect");
- rect.setAttributeNS(null, "x", "0");
- rect.setAttributeNS(null, "y", "0");
- rect.setAttributeNS(null, "width", "1px");
- rect.setAttributeNS(null, "height", "1px");
- rect.setAttributeNS(null, "fill", this.current.fillColor);
- this._ensureTransformGroup().append(rect);
- }
- paintImageXObject(objId) {
- const imgData = this.getObject(objId);
- if (!imgData) {
- (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
- return;
- }
- this.paintInlineImageXObject(imgData);
- }
- paintInlineImageXObject(imgData, mask) {
- const width = imgData.width;
- const height = imgData.height;
- const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
- const cliprect = this.svgFactory.createElement("svg:rect");
- cliprect.setAttributeNS(null, "x", "0");
- cliprect.setAttributeNS(null, "y", "0");
- cliprect.setAttributeNS(null, "width", pf(width));
- cliprect.setAttributeNS(null, "height", pf(height));
- this.current.element = cliprect;
- this.clip("nonzero");
- const imgEl = this.svgFactory.createElement("svg:image");
- imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
- imgEl.setAttributeNS(null, "x", "0");
- imgEl.setAttributeNS(null, "y", pf(-height));
- imgEl.setAttributeNS(null, "width", pf(width) + "px");
- imgEl.setAttributeNS(null, "height", pf(height) + "px");
- imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
- if (mask) {
- mask.append(imgEl);
- } else {
- this._ensureTransformGroup().append(imgEl);
- }
- }
- paintImageMaskXObject(img) {
- const imgData = this.getObject(img.data, img);
- if (imgData.bitmap) {
- (0, _util.warn)("paintImageMaskXObject: ImageBitmap support is not implemented, " + "ensure that the `isOffscreenCanvasSupported` API parameter is disabled.");
- return;
- }
- const current = this.current;
- const width = imgData.width;
- const height = imgData.height;
- const fillColor = current.fillColor;
- current.maskId = `mask${maskCount++}`;
- const mask = this.svgFactory.createElement("svg:mask");
- mask.setAttributeNS(null, "id", current.maskId);
- const rect = this.svgFactory.createElement("svg:rect");
- rect.setAttributeNS(null, "x", "0");
- rect.setAttributeNS(null, "y", "0");
- rect.setAttributeNS(null, "width", pf(width));
- rect.setAttributeNS(null, "height", pf(height));
- rect.setAttributeNS(null, "fill", fillColor);
- rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
- this.defs.append(mask);
- this._ensureTransformGroup().append(rect);
- this.paintInlineImageXObject(imgData, mask);
- }
- paintFormXObjectBegin(matrix, bbox) {
- if (Array.isArray(matrix) && matrix.length === 6) {
- this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
- }
- if (bbox) {
- const width = bbox[2] - bbox[0];
- const height = bbox[3] - bbox[1];
- const cliprect = this.svgFactory.createElement("svg:rect");
- cliprect.setAttributeNS(null, "x", bbox[0]);
- cliprect.setAttributeNS(null, "y", bbox[1]);
- cliprect.setAttributeNS(null, "width", pf(width));
- cliprect.setAttributeNS(null, "height", pf(height));
- this.current.element = cliprect;
- this.clip("nonzero");
- this.endPath();
- }
- }
- paintFormXObjectEnd() {}
- _initialize(viewport) {
- const svg = this.svgFactory.create(viewport.width, viewport.height);
- const definitions = this.svgFactory.createElement("svg:defs");
- svg.append(definitions);
- this.defs = definitions;
- const rootGroup = this.svgFactory.createElement("svg:g");
- rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
- svg.append(rootGroup);
- this.svg = rootGroup;
- return svg;
- }
- _ensureClipGroup() {
- if (!this.current.clipGroup) {
- const clipGroup = this.svgFactory.createElement("svg:g");
- clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
- this.svg.append(clipGroup);
- this.current.clipGroup = clipGroup;
- }
- return this.current.clipGroup;
- }
- _ensureTransformGroup() {
- if (!this.tgrp) {
- this.tgrp = this.svgFactory.createElement("svg:g");
- this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
- if (this.current.activeClipUrl) {
- this._ensureClipGroup().append(this.tgrp);
- } else {
- this.svg.append(this.tgrp);
- }
- }
- return this.tgrp;
- }
- };
- }
- /***/ }),
- /* 31 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.PDFNodeStream = void 0;
- var _util = __w_pdfjs_require__(1);
- var _network_utils = __w_pdfjs_require__(32);
- ;
- const fs = require("fs");
- const http = require("http");
- const https = require("https");
- const url = require("url");
- const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
- function parseUrl(sourceUrl) {
- const parsedUrl = url.parse(sourceUrl);
- if (parsedUrl.protocol === "file:" || parsedUrl.host) {
- return parsedUrl;
- }
- if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
- return url.parse(`file:
- }
- if (!parsedUrl.host) {
- parsedUrl.protocol = "file:";
- }
- return parsedUrl;
- }
- class PDFNodeStream {
- constructor(source) {
- this.source = source;
- this.url = parseUrl(source.url);
- this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
- this.isFsUrl = this.url.protocol === "file:";
- this.httpHeaders = this.isHttp && source.httpHeaders || {};
- this._fullRequestReader = null;
- this._rangeRequestReaders = [];
- }
- get _progressiveDataLength() {
- return this._fullRequestReader?._loaded ?? 0;
- }
- getFullReader() {
- (0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
- this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
- return this._fullRequestReader;
- }
- getRangeReader(start, end) {
- if (end <= this._progressiveDataLength) {
- return null;
- }
- const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
- this._rangeRequestReaders.push(rangeReader);
- return rangeReader;
- }
- cancelAllRequests(reason) {
- this._fullRequestReader?.cancel(reason);
- for (const reader of this._rangeRequestReaders.slice(0)) {
- reader.cancel(reason);
- }
- }
- }
- exports.PDFNodeStream = PDFNodeStream;
- class BaseFullReader {
- constructor(stream) {
- this._url = stream.url;
- this._done = false;
- this._storedError = null;
- this.onProgress = null;
- const source = stream.source;
- this._contentLength = source.length;
- this._loaded = 0;
- this._filename = null;
- this._disableRange = source.disableRange || false;
- this._rangeChunkSize = source.rangeChunkSize;
- if (!this._rangeChunkSize && !this._disableRange) {
- this._disableRange = true;
- }
- this._isStreamingSupported = !source.disableStream;
- this._isRangeSupported = !source.disableRange;
- this._readableStream = null;
- this._readCapability = (0, _util.createPromiseCapability)();
- this._headersCapability = (0, _util.createPromiseCapability)();
- }
- get headersReady() {
- return this._headersCapability.promise;
- }
- get filename() {
- return this._filename;
- }
- get contentLength() {
- return this._contentLength;
- }
- get isRangeSupported() {
- return this._isRangeSupported;
- }
- get isStreamingSupported() {
- return this._isStreamingSupported;
- }
- async read() {
- await this._readCapability.promise;
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- if (this._storedError) {
- throw this._storedError;
- }
- const chunk = this._readableStream.read();
- if (chunk === null) {
- this._readCapability = (0, _util.createPromiseCapability)();
- return this.read();
- }
- this._loaded += chunk.length;
- this.onProgress?.({
- loaded: this._loaded,
- total: this._contentLength
- });
- const buffer = new Uint8Array(chunk).buffer;
- return {
- value: buffer,
- done: false
- };
- }
- cancel(reason) {
- if (!this._readableStream) {
- this._error(reason);
- return;
- }
- this._readableStream.destroy(reason);
- }
- _error(reason) {
- this._storedError = reason;
- this._readCapability.resolve();
- }
- _setReadableStream(readableStream) {
- this._readableStream = readableStream;
- readableStream.on("readable", () => {
- this._readCapability.resolve();
- });
- readableStream.on("end", () => {
- readableStream.destroy();
- this._done = true;
- this._readCapability.resolve();
- });
- readableStream.on("error", reason => {
- this._error(reason);
- });
- if (!this._isStreamingSupported && this._isRangeSupported) {
- this._error(new _util.AbortException("streaming is disabled"));
- }
- if (this._storedError) {
- this._readableStream.destroy(this._storedError);
- }
- }
- }
- class BaseRangeReader {
- constructor(stream) {
- this._url = stream.url;
- this._done = false;
- this._storedError = null;
- this.onProgress = null;
- this._loaded = 0;
- this._readableStream = null;
- this._readCapability = (0, _util.createPromiseCapability)();
- const source = stream.source;
- this._isStreamingSupported = !source.disableStream;
- }
- get isStreamingSupported() {
- return this._isStreamingSupported;
- }
- async read() {
- await this._readCapability.promise;
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- if (this._storedError) {
- throw this._storedError;
- }
- const chunk = this._readableStream.read();
- if (chunk === null) {
- this._readCapability = (0, _util.createPromiseCapability)();
- return this.read();
- }
- this._loaded += chunk.length;
- this.onProgress?.({
- loaded: this._loaded
- });
- const buffer = new Uint8Array(chunk).buffer;
- return {
- value: buffer,
- done: false
- };
- }
- cancel(reason) {
- if (!this._readableStream) {
- this._error(reason);
- return;
- }
- this._readableStream.destroy(reason);
- }
- _error(reason) {
- this._storedError = reason;
- this._readCapability.resolve();
- }
- _setReadableStream(readableStream) {
- this._readableStream = readableStream;
- readableStream.on("readable", () => {
- this._readCapability.resolve();
- });
- readableStream.on("end", () => {
- readableStream.destroy();
- this._done = true;
- this._readCapability.resolve();
- });
- readableStream.on("error", reason => {
- this._error(reason);
- });
- if (this._storedError) {
- this._readableStream.destroy(this._storedError);
- }
- }
- }
- function createRequestOptions(parsedUrl, headers) {
- return {
- protocol: parsedUrl.protocol,
- auth: parsedUrl.auth,
- host: parsedUrl.hostname,
- port: parsedUrl.port,
- path: parsedUrl.path,
- method: "GET",
- headers
- };
- }
- class PDFNodeStreamFullReader extends BaseFullReader {
- constructor(stream) {
- super(stream);
- const handleResponse = response => {
- if (response.statusCode === 404) {
- const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
- this._storedError = error;
- this._headersCapability.reject(error);
- return;
- }
- this._headersCapability.resolve();
- this._setReadableStream(response);
- const getResponseHeader = name => {
- return this._readableStream.headers[name.toLowerCase()];
- };
- const {
- allowRangeRequests,
- suggestedLength
- } = (0, _network_utils.validateRangeRequestCapabilities)({
- getResponseHeader,
- isHttp: stream.isHttp,
- rangeChunkSize: this._rangeChunkSize,
- disableRange: this._disableRange
- });
- this._isRangeSupported = allowRangeRequests;
- this._contentLength = suggestedLength || this._contentLength;
- this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
- };
- this._request = null;
- if (this._url.protocol === "http:") {
- this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
- } else {
- this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
- }
- this._request.on("error", reason => {
- this._storedError = reason;
- this._headersCapability.reject(reason);
- });
- this._request.end();
- }
- }
- class PDFNodeStreamRangeReader extends BaseRangeReader {
- constructor(stream, start, end) {
- super(stream);
- this._httpHeaders = {};
- for (const property in stream.httpHeaders) {
- const value = stream.httpHeaders[property];
- if (value === undefined) {
- continue;
- }
- this._httpHeaders[property] = value;
- }
- this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
- const handleResponse = response => {
- if (response.statusCode === 404) {
- const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
- this._storedError = error;
- return;
- }
- this._setReadableStream(response);
- };
- this._request = null;
- if (this._url.protocol === "http:") {
- this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
- } else {
- this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
- }
- this._request.on("error", reason => {
- this._storedError = reason;
- });
- this._request.end();
- }
- }
- class PDFNodeStreamFsFullReader extends BaseFullReader {
- constructor(stream) {
- super(stream);
- let path = decodeURIComponent(this._url.path);
- if (fileUriRegex.test(this._url.href)) {
- path = path.replace(/^\//, "");
- }
- fs.lstat(path, (error, stat) => {
- if (error) {
- if (error.code === "ENOENT") {
- error = new _util.MissingPDFException(`Missing PDF "${path}".`);
- }
- this._storedError = error;
- this._headersCapability.reject(error);
- return;
- }
- this._contentLength = stat.size;
- this._setReadableStream(fs.createReadStream(path));
- this._headersCapability.resolve();
- });
- }
- }
- class PDFNodeStreamFsRangeReader extends BaseRangeReader {
- constructor(stream, start, end) {
- super(stream);
- let path = decodeURIComponent(this._url.path);
- if (fileUriRegex.test(this._url.href)) {
- path = path.replace(/^\//, "");
- }
- this._setReadableStream(fs.createReadStream(path, {
- start,
- end: end - 1
- }));
- }
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.createResponseStatusError = createResponseStatusError;
- exports.extractFilenameFromHeader = extractFilenameFromHeader;
- exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
- exports.validateResponseStatus = validateResponseStatus;
- var _util = __w_pdfjs_require__(1);
- var _content_disposition = __w_pdfjs_require__(33);
- var _display_utils = __w_pdfjs_require__(6);
- function validateRangeRequestCapabilities({
- getResponseHeader,
- isHttp,
- rangeChunkSize,
- disableRange
- }) {
- const returnValues = {
- allowRangeRequests: false,
- suggestedLength: undefined
- };
- const length = parseInt(getResponseHeader("Content-Length"), 10);
- if (!Number.isInteger(length)) {
- return returnValues;
- }
- returnValues.suggestedLength = length;
- if (length <= 2 * rangeChunkSize) {
- return returnValues;
- }
- if (disableRange || !isHttp) {
- return returnValues;
- }
- if (getResponseHeader("Accept-Ranges") !== "bytes") {
- return returnValues;
- }
- const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
- if (contentEncoding !== "identity") {
- return returnValues;
- }
- returnValues.allowRangeRequests = true;
- return returnValues;
- }
- function extractFilenameFromHeader(getResponseHeader) {
- const contentDisposition = getResponseHeader("Content-Disposition");
- if (contentDisposition) {
- let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
- if (filename.includes("%")) {
- try {
- filename = decodeURIComponent(filename);
- } catch (ex) {}
- }
- if ((0, _display_utils.isPdfFile)(filename)) {
- return filename;
- }
- }
- return null;
- }
- function createResponseStatusError(status, url) {
- if (status === 404 || status === 0 && url.startsWith("file:")) {
- return new _util.MissingPDFException('Missing PDF "' + url + '".');
- }
- return new _util.UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
- }
- function validateResponseStatus(status) {
- return status === 200 || status === 206;
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
- var _util = __w_pdfjs_require__(1);
- function getFilenameFromContentDispositionHeader(contentDisposition) {
- let needsEncodingFixup = true;
- let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
- if (tmp) {
- tmp = tmp[1];
- let filename = rfc2616unquote(tmp);
- filename = unescape(filename);
- filename = rfc5987decode(filename);
- filename = rfc2047decode(filename);
- return fixupEncoding(filename);
- }
- tmp = rfc2231getparam(contentDisposition);
- if (tmp) {
- const filename = rfc2047decode(tmp);
- return fixupEncoding(filename);
- }
- tmp = toParamRegExp("filename", "i").exec(contentDisposition);
- if (tmp) {
- tmp = tmp[1];
- let filename = rfc2616unquote(tmp);
- filename = rfc2047decode(filename);
- return fixupEncoding(filename);
- }
- function toParamRegExp(attributePattern, flags) {
- return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
- }
- function textdecode(encoding, value) {
- if (encoding) {
- if (!/^[\x00-\xFF]+$/.test(value)) {
- return value;
- }
- try {
- const decoder = new TextDecoder(encoding, {
- fatal: true
- });
- const buffer = (0, _util.stringToBytes)(value);
- value = decoder.decode(buffer);
- needsEncodingFixup = false;
- } catch (e) {}
- }
- return value;
- }
- function fixupEncoding(value) {
- if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
- value = textdecode("utf-8", value);
- if (needsEncodingFixup) {
- value = textdecode("iso-8859-1", value);
- }
- }
- return value;
- }
- function rfc2231getparam(contentDispositionStr) {
- const matches = [];
- let match;
- const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
- while ((match = iter.exec(contentDispositionStr)) !== null) {
- let [, n, quot, part] = match;
- n = parseInt(n, 10);
- if (n in matches) {
- if (n === 0) {
- break;
- }
- continue;
- }
- matches[n] = [quot, part];
- }
- const parts = [];
- for (let n = 0; n < matches.length; ++n) {
- if (!(n in matches)) {
- break;
- }
- let [quot, part] = matches[n];
- part = rfc2616unquote(part);
- if (quot) {
- part = unescape(part);
- if (n === 0) {
- part = rfc5987decode(part);
- }
- }
- parts.push(part);
- }
- return parts.join("");
- }
- function rfc2616unquote(value) {
- if (value.startsWith('"')) {
- const parts = value.slice(1).split('\\"');
- for (let i = 0; i < parts.length; ++i) {
- const quotindex = parts[i].indexOf('"');
- if (quotindex !== -1) {
- parts[i] = parts[i].slice(0, quotindex);
- parts.length = i + 1;
- }
- parts[i] = parts[i].replace(/\\(.)/g, "$1");
- }
- value = parts.join('"');
- }
- return value;
- }
- function rfc5987decode(extvalue) {
- const encodingend = extvalue.indexOf("'");
- if (encodingend === -1) {
- return extvalue;
- }
- const encoding = extvalue.slice(0, encodingend);
- const langvalue = extvalue.slice(encodingend + 1);
- const value = langvalue.replace(/^[^']*'/, "");
- return textdecode(encoding, value);
- }
- function rfc2047decode(value) {
- if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
- return value;
- }
- return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
- if (encoding === "q" || encoding === "Q") {
- text = text.replace(/_/g, " ");
- text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
- return String.fromCharCode(parseInt(hex, 16));
- });
- return textdecode(charset, text);
- }
- try {
- text = atob(text);
- } catch (e) {}
- return textdecode(charset, text);
- });
- }
- return "";
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.PDFNetworkStream = void 0;
- var _util = __w_pdfjs_require__(1);
- var _network_utils = __w_pdfjs_require__(32);
- ;
- const OK_RESPONSE = 200;
- const PARTIAL_CONTENT_RESPONSE = 206;
- function getArrayBuffer(xhr) {
- const data = xhr.response;
- if (typeof data !== "string") {
- return data;
- }
- const array = (0, _util.stringToBytes)(data);
- return array.buffer;
- }
- class NetworkManager {
- constructor(url, args = {}) {
- this.url = url;
- this.isHttp = /^https?:/i.test(url);
- this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null);
- this.withCredentials = args.withCredentials || false;
- this.getXhr = args.getXhr || function NetworkManager_getXhr() {
- return new XMLHttpRequest();
- };
- this.currXhrId = 0;
- this.pendingRequests = Object.create(null);
- }
- requestRange(begin, end, listeners) {
- const args = {
- begin,
- end
- };
- for (const prop in listeners) {
- args[prop] = listeners[prop];
- }
- return this.request(args);
- }
- requestFull(listeners) {
- return this.request(listeners);
- }
- request(args) {
- const xhr = this.getXhr();
- const xhrId = this.currXhrId++;
- const pendingRequest = this.pendingRequests[xhrId] = {
- xhr
- };
- xhr.open("GET", this.url);
- xhr.withCredentials = this.withCredentials;
- for (const property in this.httpHeaders) {
- const value = this.httpHeaders[property];
- if (value === undefined) {
- continue;
- }
- xhr.setRequestHeader(property, value);
- }
- if (this.isHttp && "begin" in args && "end" in args) {
- xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
- pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
- } else {
- pendingRequest.expectedStatus = OK_RESPONSE;
- }
- xhr.responseType = "arraybuffer";
- if (args.onError) {
- xhr.onerror = function (evt) {
- args.onError(xhr.status);
- };
- }
- xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
- xhr.onprogress = this.onProgress.bind(this, xhrId);
- pendingRequest.onHeadersReceived = args.onHeadersReceived;
- pendingRequest.onDone = args.onDone;
- pendingRequest.onError = args.onError;
- pendingRequest.onProgress = args.onProgress;
- xhr.send(null);
- return xhrId;
- }
- onProgress(xhrId, evt) {
- const pendingRequest = this.pendingRequests[xhrId];
- if (!pendingRequest) {
- return;
- }
- pendingRequest.onProgress?.(evt);
- }
- onStateChange(xhrId, evt) {
- const pendingRequest = this.pendingRequests[xhrId];
- if (!pendingRequest) {
- return;
- }
- const xhr = pendingRequest.xhr;
- if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
- pendingRequest.onHeadersReceived();
- delete pendingRequest.onHeadersReceived;
- }
- if (xhr.readyState !== 4) {
- return;
- }
- if (!(xhrId in this.pendingRequests)) {
- return;
- }
- delete this.pendingRequests[xhrId];
- if (xhr.status === 0 && this.isHttp) {
- pendingRequest.onError?.(xhr.status);
- return;
- }
- const xhrStatus = xhr.status || OK_RESPONSE;
- const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
- if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
- pendingRequest.onError?.(xhr.status);
- return;
- }
- const chunk = getArrayBuffer(xhr);
- if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
- const rangeHeader = xhr.getResponseHeader("Content-Range");
- const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
- pendingRequest.onDone({
- begin: parseInt(matches[1], 10),
- chunk
- });
- } else if (chunk) {
- pendingRequest.onDone({
- begin: 0,
- chunk
- });
- } else {
- pendingRequest.onError?.(xhr.status);
- }
- }
- getRequestXhr(xhrId) {
- return this.pendingRequests[xhrId].xhr;
- }
- isPendingRequest(xhrId) {
- return xhrId in this.pendingRequests;
- }
- abortRequest(xhrId) {
- const xhr = this.pendingRequests[xhrId].xhr;
- delete this.pendingRequests[xhrId];
- xhr.abort();
- }
- }
- class PDFNetworkStream {
- constructor(source) {
- this._source = source;
- this._manager = new NetworkManager(source.url, {
- httpHeaders: source.httpHeaders,
- withCredentials: source.withCredentials
- });
- this._rangeChunkSize = source.rangeChunkSize;
- this._fullRequestReader = null;
- this._rangeRequestReaders = [];
- }
- _onRangeRequestReaderClosed(reader) {
- const i = this._rangeRequestReaders.indexOf(reader);
- if (i >= 0) {
- this._rangeRequestReaders.splice(i, 1);
- }
- }
- getFullReader() {
- (0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
- this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
- return this._fullRequestReader;
- }
- getRangeReader(begin, end) {
- const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
- reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
- this._rangeRequestReaders.push(reader);
- return reader;
- }
- cancelAllRequests(reason) {
- this._fullRequestReader?.cancel(reason);
- for (const reader of this._rangeRequestReaders.slice(0)) {
- reader.cancel(reason);
- }
- }
- }
- exports.PDFNetworkStream = PDFNetworkStream;
- class PDFNetworkStreamFullRequestReader {
- constructor(manager, source) {
- this._manager = manager;
- const args = {
- onHeadersReceived: this._onHeadersReceived.bind(this),
- onDone: this._onDone.bind(this),
- onError: this._onError.bind(this),
- onProgress: this._onProgress.bind(this)
- };
- this._url = source.url;
- this._fullRequestId = manager.requestFull(args);
- this._headersReceivedCapability = (0, _util.createPromiseCapability)();
- this._disableRange = source.disableRange || false;
- this._contentLength = source.length;
- this._rangeChunkSize = source.rangeChunkSize;
- if (!this._rangeChunkSize && !this._disableRange) {
- this._disableRange = true;
- }
- this._isStreamingSupported = false;
- this._isRangeSupported = false;
- this._cachedChunks = [];
- this._requests = [];
- this._done = false;
- this._storedError = undefined;
- this._filename = null;
- this.onProgress = null;
- }
- _onHeadersReceived() {
- const fullRequestXhrId = this._fullRequestId;
- const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
- const getResponseHeader = name => {
- return fullRequestXhr.getResponseHeader(name);
- };
- const {
- allowRangeRequests,
- suggestedLength
- } = (0, _network_utils.validateRangeRequestCapabilities)({
- getResponseHeader,
- isHttp: this._manager.isHttp,
- rangeChunkSize: this._rangeChunkSize,
- disableRange: this._disableRange
- });
- if (allowRangeRequests) {
- this._isRangeSupported = true;
- }
- this._contentLength = suggestedLength || this._contentLength;
- this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
- if (this._isRangeSupported) {
- this._manager.abortRequest(fullRequestXhrId);
- }
- this._headersReceivedCapability.resolve();
- }
- _onDone(data) {
- if (data) {
- if (this._requests.length > 0) {
- const requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: data.chunk,
- done: false
- });
- } else {
- this._cachedChunks.push(data.chunk);
- }
- }
- this._done = true;
- if (this._cachedChunks.length > 0) {
- return;
- }
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- }
- _onError(status) {
- this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
- this._headersReceivedCapability.reject(this._storedError);
- for (const requestCapability of this._requests) {
- requestCapability.reject(this._storedError);
- }
- this._requests.length = 0;
- this._cachedChunks.length = 0;
- }
- _onProgress(evt) {
- this.onProgress?.({
- loaded: evt.loaded,
- total: evt.lengthComputable ? evt.total : this._contentLength
- });
- }
- get filename() {
- return this._filename;
- }
- get isRangeSupported() {
- return this._isRangeSupported;
- }
- get isStreamingSupported() {
- return this._isStreamingSupported;
- }
- get contentLength() {
- return this._contentLength;
- }
- get headersReady() {
- return this._headersReceivedCapability.promise;
- }
- async read() {
- if (this._storedError) {
- throw this._storedError;
- }
- if (this._cachedChunks.length > 0) {
- const chunk = this._cachedChunks.shift();
- return {
- value: chunk,
- done: false
- };
- }
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- const requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- }
- cancel(reason) {
- this._done = true;
- this._headersReceivedCapability.reject(reason);
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- if (this._manager.isPendingRequest(this._fullRequestId)) {
- this._manager.abortRequest(this._fullRequestId);
- }
- this._fullRequestReader = null;
- }
- }
- class PDFNetworkStreamRangeRequestReader {
- constructor(manager, begin, end) {
- this._manager = manager;
- const args = {
- onDone: this._onDone.bind(this),
- onError: this._onError.bind(this),
- onProgress: this._onProgress.bind(this)
- };
- this._url = manager.url;
- this._requestId = manager.requestRange(begin, end, args);
- this._requests = [];
- this._queuedChunk = null;
- this._done = false;
- this._storedError = undefined;
- this.onProgress = null;
- this.onClosed = null;
- }
- _close() {
- this.onClosed?.(this);
- }
- _onDone(data) {
- const chunk = data.chunk;
- if (this._requests.length > 0) {
- const requestCapability = this._requests.shift();
- requestCapability.resolve({
- value: chunk,
- done: false
- });
- } else {
- this._queuedChunk = chunk;
- }
- this._done = true;
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- this._close();
- }
- _onError(status) {
- this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
- for (const requestCapability of this._requests) {
- requestCapability.reject(this._storedError);
- }
- this._requests.length = 0;
- this._queuedChunk = null;
- }
- _onProgress(evt) {
- if (!this.isStreamingSupported) {
- this.onProgress?.({
- loaded: evt.loaded
- });
- }
- }
- get isStreamingSupported() {
- return false;
- }
- async read() {
- if (this._storedError) {
- throw this._storedError;
- }
- if (this._queuedChunk !== null) {
- const chunk = this._queuedChunk;
- this._queuedChunk = null;
- return {
- value: chunk,
- done: false
- };
- }
- if (this._done) {
- return {
- value: undefined,
- done: true
- };
- }
- const requestCapability = (0, _util.createPromiseCapability)();
- this._requests.push(requestCapability);
- return requestCapability.promise;
- }
- cancel(reason) {
- this._done = true;
- for (const requestCapability of this._requests) {
- requestCapability.resolve({
- value: undefined,
- done: true
- });
- }
- this._requests.length = 0;
- if (this._manager.isPendingRequest(this._requestId)) {
- this._manager.abortRequest(this._requestId);
- }
- this._close();
- }
- }
- }),
- ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.PDFFetchStream = void 0;
- var _util = __w_pdfjs_require__(1);
- var _network_utils = __w_pdfjs_require__(32);
- ;
- function createFetchOptions(headers, withCredentials, abortController) {
- return {
- method: "GET",
- headers,
- signal: abortController.signal,
- mode: "cors",
- credentials: withCredentials ? "include" : "same-origin",
- redirect: "follow"
- };
- }
- function createHeaders(httpHeaders) {
- const headers = new Headers();
- for (const property in httpHeaders) {
- const value = httpHeaders[property];
- if (value === undefined) {
- continue;
- }
- headers.append(property, value);
- }
- return headers;
- }
- class PDFFetchStream {
- constructor(source) {
- this.source = source;
- this.isHttp = /^https?:/i.test(source.url);
- this.httpHeaders = this.isHttp && source.httpHeaders || {};
- this._fullRequestReader = null;
- this._rangeRequestReaders = [];
- }
- get _progressiveDataLength() {
- return this._fullRequestReader?._loaded ?? 0;
- }
- getFullReader() {
- (0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
- this._fullRequestReader = new PDFFetchStreamReader(this);
- return this._fullRequestReader;
- }
- getRangeReader(begin, end) {
- if (end <= this._progressiveDataLength) {
- return null;
- }
- const reader = new PDFFetchStreamRangeReader(this, begin, end);
- this._rangeRequestReaders.push(reader);
- return reader;
- }
- cancelAllRequests(reason) {
- this._fullRequestReader?.cancel(reason);
- for (const reader of this._rangeRequestReaders.slice(0)) {
- reader.cancel(reason);
- }
- }
- }
- exports.PDFFetchStream = PDFFetchStream;
- class PDFFetchStreamReader {
- constructor(stream) {
- this._stream = stream;
- this._reader = null;
- this._loaded = 0;
- this._filename = null;
- const source = stream.source;
- this._withCredentials = source.withCredentials || false;
- this._contentLength = source.length;
- this._headersCapability = (0, _util.createPromiseCapability)();
- this._disableRange = source.disableRange || false;
- this._rangeChunkSize = source.rangeChunkSize;
- if (!this._rangeChunkSize && !this._disableRange) {
- this._disableRange = true;
- }
- this._abortController = new AbortController();
- this._isStreamingSupported = !source.disableStream;
- this._isRangeSupported = !source.disableRange;
- this._headers = createHeaders(this._stream.httpHeaders);
- const url = source.url;
- fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
- if (!(0, _network_utils.validateResponseStatus)(response.status)) {
- throw (0, _network_utils.createResponseStatusError)(response.status, url);
- }
- this._reader = response.body.getReader();
- this._headersCapability.resolve();
- const getResponseHeader = name => {
- return response.headers.get(name);
- };
- const {
- allowRangeRequests,
- suggestedLength
- } = (0, _network_utils.validateRangeRequestCapabilities)({
- getResponseHeader,
- isHttp: this._stream.isHttp,
- rangeChunkSize: this._rangeChunkSize,
- disableRange: this._disableRange
- });
- this._isRangeSupported = allowRangeRequests;
- this._contentLength = suggestedLength || this._contentLength;
- this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
- if (!this._isStreamingSupported && this._isRangeSupported) {
- this.cancel(new _util.AbortException("Streaming is disabled."));
- }
- }).catch(this._headersCapability.reject);
- this.onProgress = null;
- }
- get headersReady() {
- return this._headersCapability.promise;
- }
- get filename() {
- return this._filename;
- }
- get contentLength() {
- return this._contentLength;
- }
- get isRangeSupported() {
- return this._isRangeSupported;
- }
- get isStreamingSupported() {
- return this._isStreamingSupported;
- }
- async read() {
- await this._headersCapability.promise;
- const {
- value,
- done
- } = await this._reader.read();
- if (done) {
- return {
- value,
- done
- };
- }
- this._loaded += value.byteLength;
- this.onProgress?.({
- loaded: this._loaded,
- total: this._contentLength
- });
- const buffer = new Uint8Array(value).buffer;
- return {
- value: buffer,
- done: false
- };
- }
- cancel(reason) {
- this._reader?.cancel(reason);
- this._abortController.abort();
- }
- }
- class PDFFetchStreamRangeReader {
- constructor(stream, begin, end) {
- this._stream = stream;
- this._reader = null;
- this._loaded = 0;
- const source = stream.source;
- this._withCredentials = source.withCredentials || false;
- this._readCapability = (0, _util.createPromiseCapability)();
- this._isStreamingSupported = !source.disableStream;
- this._abortController = new AbortController();
- this._headers = createHeaders(this._stream.httpHeaders);
- this._headers.append("Range", `bytes=${begin}-${end - 1}`);
- const url = source.url;
- fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
- if (!(0, _network_utils.validateResponseStatus)(response.status)) {
- throw (0, _network_utils.createResponseStatusError)(response.status, url);
- }
- this._readCapability.resolve();
- this._reader = response.body.getReader();
- }).catch(this._readCapability.reject);
- this.onProgress = null;
- }
- get isStreamingSupported() {
- return this._isStreamingSupported;
- }
- async read() {
- await this._readCapability.promise;
- const {
- value,
- done
- } = await this._reader.read();
- if (done) {
- return {
- value,
- done
- };
- }
- this._loaded += value.byteLength;
- this.onProgress?.({
- loaded: this._loaded
- });
- const buffer = new Uint8Array(value).buffer;
- return {
- value: buffer,
- done: false
- };
- }
- cancel(reason) {
- this._reader?.cancel(reason);
- this._abortController.abort();
- }
- }
- })
- ]);
-
- var __webpack_module_cache__ = {};
-
-
- function __w_pdfjs_require__(moduleId) {
-
- var cachedModule = __webpack_module_cache__[moduleId];
- if (cachedModule !== undefined) {
- return cachedModule.exports;
- }
-
- var module = __webpack_module_cache__[moduleId] = {
-
-
- exports: {}
- };
-
-
- __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
-
-
- return module.exports;
- }
-
- var __webpack_exports__ = {};
- (() => {
- var exports = __webpack_exports__;
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- Object.defineProperty(exports, "AbortException", ({
- enumerable: true,
- get: function () {
- return _util.AbortException;
- }
- }));
- Object.defineProperty(exports, "AnnotationEditorLayer", ({
- enumerable: true,
- get: function () {
- return _annotation_editor_layer.AnnotationEditorLayer;
- }
- }));
- Object.defineProperty(exports, "AnnotationEditorParamsType", ({
- enumerable: true,
- get: function () {
- return _util.AnnotationEditorParamsType;
- }
- }));
- Object.defineProperty(exports, "AnnotationEditorType", ({
- enumerable: true,
- get: function () {
- return _util.AnnotationEditorType;
- }
- }));
- Object.defineProperty(exports, "AnnotationEditorUIManager", ({
- enumerable: true,
- get: function () {
- return _tools.AnnotationEditorUIManager;
- }
- }));
- Object.defineProperty(exports, "AnnotationLayer", ({
- enumerable: true,
- get: function () {
- return _annotation_layer.AnnotationLayer;
- }
- }));
- Object.defineProperty(exports, "AnnotationMode", ({
- enumerable: true,
- get: function () {
- return _util.AnnotationMode;
- }
- }));
- Object.defineProperty(exports, "CMapCompressionType", ({
- enumerable: true,
- get: function () {
- return _util.CMapCompressionType;
- }
- }));
- Object.defineProperty(exports, "GlobalWorkerOptions", ({
- enumerable: true,
- get: function () {
- return _worker_options.GlobalWorkerOptions;
- }
- }));
- Object.defineProperty(exports, "InvalidPDFException", ({
- enumerable: true,
- get: function () {
- return _util.InvalidPDFException;
- }
- }));
- Object.defineProperty(exports, "MissingPDFException", ({
- enumerable: true,
- get: function () {
- return _util.MissingPDFException;
- }
- }));
- Object.defineProperty(exports, "OPS", ({
- enumerable: true,
- get: function () {
- return _util.OPS;
- }
- }));
- Object.defineProperty(exports, "PDFDataRangeTransport", ({
- enumerable: true,
- get: function () {
- return _api.PDFDataRangeTransport;
- }
- }));
- Object.defineProperty(exports, "PDFDateString", ({
- enumerable: true,
- get: function () {
- return _display_utils.PDFDateString;
- }
- }));
- Object.defineProperty(exports, "PDFWorker", ({
- enumerable: true,
- get: function () {
- return _api.PDFWorker;
- }
- }));
- Object.defineProperty(exports, "PasswordResponses", ({
- enumerable: true,
- get: function () {
- return _util.PasswordResponses;
- }
- }));
- Object.defineProperty(exports, "PermissionFlag", ({
- enumerable: true,
- get: function () {
- return _util.PermissionFlag;
- }
- }));
- Object.defineProperty(exports, "PixelsPerInch", ({
- enumerable: true,
- get: function () {
- return _display_utils.PixelsPerInch;
- }
- }));
- Object.defineProperty(exports, "RenderingCancelledException", ({
- enumerable: true,
- get: function () {
- return _display_utils.RenderingCancelledException;
- }
- }));
- Object.defineProperty(exports, "SVGGraphics", ({
- enumerable: true,
- get: function () {
- return _svg.SVGGraphics;
- }
- }));
- Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({
- enumerable: true,
- get: function () {
- return _util.UNSUPPORTED_FEATURES;
- }
- }));
- Object.defineProperty(exports, "UnexpectedResponseException", ({
- enumerable: true,
- get: function () {
- return _util.UnexpectedResponseException;
- }
- }));
- Object.defineProperty(exports, "Util", ({
- enumerable: true,
- get: function () {
- return _util.Util;
- }
- }));
- Object.defineProperty(exports, "VerbosityLevel", ({
- enumerable: true,
- get: function () {
- return _util.VerbosityLevel;
- }
- }));
- Object.defineProperty(exports, "XfaLayer", ({
- enumerable: true,
- get: function () {
- return _xfa_layer.XfaLayer;
- }
- }));
- Object.defineProperty(exports, "build", ({
- enumerable: true,
- get: function () {
- return _api.build;
- }
- }));
- Object.defineProperty(exports, "createPromiseCapability", ({
- enumerable: true,
- get: function () {
- return _util.createPromiseCapability;
- }
- }));
- Object.defineProperty(exports, "createValidAbsoluteUrl", ({
- enumerable: true,
- get: function () {
- return _util.createValidAbsoluteUrl;
- }
- }));
- Object.defineProperty(exports, "getDocument", ({
- enumerable: true,
- get: function () {
- return _api.getDocument;
- }
- }));
- Object.defineProperty(exports, "getFilenameFromUrl", ({
- enumerable: true,
- get: function () {
- return _display_utils.getFilenameFromUrl;
- }
- }));
- Object.defineProperty(exports, "getPdfFilenameFromUrl", ({
- enumerable: true,
- get: function () {
- return _display_utils.getPdfFilenameFromUrl;
- }
- }));
- Object.defineProperty(exports, "getXfaPageViewport", ({
- enumerable: true,
- get: function () {
- return _display_utils.getXfaPageViewport;
- }
- }));
- Object.defineProperty(exports, "isDataScheme", ({
- enumerable: true,
- get: function () {
- return _display_utils.isDataScheme;
- }
- }));
- Object.defineProperty(exports, "isPdfFile", ({
- enumerable: true,
- get: function () {
- return _display_utils.isPdfFile;
- }
- }));
- Object.defineProperty(exports, "loadScript", ({
- enumerable: true,
- get: function () {
- return _display_utils.loadScript;
- }
- }));
- Object.defineProperty(exports, "renderTextLayer", ({
- enumerable: true,
- get: function () {
- return _text_layer.renderTextLayer;
- }
- }));
- Object.defineProperty(exports, "setLayerDimensions", ({
- enumerable: true,
- get: function () {
- return _display_utils.setLayerDimensions;
- }
- }));
- Object.defineProperty(exports, "shadow", ({
- enumerable: true,
- get: function () {
- return _util.shadow;
- }
- }));
- Object.defineProperty(exports, "updateTextLayer", ({
- enumerable: true,
- get: function () {
- return _text_layer.updateTextLayer;
- }
- }));
- Object.defineProperty(exports, "version", ({
- enumerable: true,
- get: function () {
- return _api.version;
- }
- }));
- var _util = __w_pdfjs_require__(1);
- var _api = __w_pdfjs_require__(2);
- var _display_utils = __w_pdfjs_require__(6);
- var _text_layer = __w_pdfjs_require__(21);
- var _annotation_editor_layer = __w_pdfjs_require__(22);
- var _tools = __w_pdfjs_require__(5);
- var _annotation_layer = __w_pdfjs_require__(27);
- var _worker_options = __w_pdfjs_require__(14);
- var _is_node = __w_pdfjs_require__(10);
- var _svg = __w_pdfjs_require__(30);
- var _xfa_layer = __w_pdfjs_require__(29);
- const pdfjsVersion = '3.2.141';
- const pdfjsBuild = '35ca6ab31';
- {
- if (_is_node.isNodeJS) {
- const {
- PDFNodeStream
- } = __w_pdfjs_require__(31);
- (0, _api.setPDFNetworkStreamFactory)(params => {
- return new PDFNodeStream(params);
- });
- } else {
- const {
- PDFNetworkStream
- } = __w_pdfjs_require__(34);
- const {
- PDFFetchStream
- } = __w_pdfjs_require__(35);
- (0, _api.setPDFNetworkStreamFactory)(params => {
- if ((0, _display_utils.isValidFetchUrl)(params.url)) {
- return new PDFFetchStream(params);
- }
- return new PDFNetworkStream(params);
- });
- }
- }
- })();
- return __webpack_exports__;
- })()
- ;
- });
|