/** * @licstart The following is the entire license notice for the * JavaScript code in this page * * Copyright 2022 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @licend The above is the entire license notice for the * JavaScript code in this page */ (function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(); else if(typeof define === 'function' && define.amd) define("pdfjs-dist/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 /******/ (() => { // webpackBootstrap /******/ "use strict"; /******/ var __webpack_modules__ = ([ /* 0 */, /* 1 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.StreamType = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.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.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.escapeString = escapeString; exports.getModificationDate = getModificationDate; exports.getVerbosityLevel = getVerbosityLevel; exports.info = info; exports.isArrayBuffer = isArrayBuffer; exports.isArrayEqual = isArrayEqual; exports.isAscii = isAscii; exports.objectFromMap = objectFromMap; exports.objectSize = objectSize; exports.setVerbosityLevel = setVerbosityLevel; exports.shadow = shadow; exports.string32 = string32; exports.stringToBytes = stringToBytes; exports.stringToPDFString = stringToPDFString; exports.stringToUTF16BEString = stringToUTF16BEString; exports.stringToUTF8String = stringToUTF8String; exports.unreachable = unreachable; exports.utf8StringToString = utf8StringToString; exports.warn = warn; __w_pdfjs_require__(2); 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 RenderingIntentFlag = { ANY: 0x01, DISPLAY: 0x02, PRINT: 0x04, 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, STREAM: 2 }; 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, beginAnnotations: 78, endAnnotations: 79, beginAnnotation: 80, endAnnotation: 81, paintJpegXObject: 82, paintImageMaskXObject: 83, paintImageMaskXObjectGroup: 84, paintImageXObject: 85, paintInlineImageXObject: 86, paintInlineImageXObjectGroup: 87, paintImageXObjectRepeat: 88, paintImageMaskXObjectRepeat: 89, paintSolidColorImageMask: 90, constructPath: 91 }; exports.OPS = OPS; const UNSUPPORTED_FEATURES = { unknown: "unknown", forms: "forms", javaScript: "javaScript", signatures: "signatures", smask: "smask", shadingPattern: "shadingPattern", font: "font", errorTilingPattern: "errorTilingPattern", errorExtGState: "errorExtGState", errorXObject: "errorXObject", errorFontLoadType3: "errorFontLoadType3", errorFontState: "errorFontState", errorFontMissing: "errorFontMissing", errorFontTranslate: "errorFontTranslate", errorColorSpace: "errorColorSpace", errorOperatorList: "errorOperatorList", errorFontToUnicode: "errorFontToUnicode", errorFontLoadNative: "errorFontLoadNative", errorFontBuildPath: "errorFontBuildPath", errorFontGetPath: "errorFontGetPath", errorMarkedContent: "errorMarkedContent", errorContentSubStream: "errorContentSubStream" }; exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; 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) { Object.defineProperty(obj, prop, { value, enumerable: true, 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"); } } 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 apply3dTransform(m, v) { return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]]; } 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 escapeString(str) { return str.replace(/([()\\\n\r])/g, match => { if (match === "\n") { return "\\n"; } else if (match === "\r") { return "\\r"; } return `\\${match}`; }); } function isAscii(str) { return /^[\x00-\x7F]*$/.test(str); } function stringToUTF16BEString(str) { const buf = ["\xFE\xFF"]; for (let i = 0, ii = str.length; i < ii; i++) { const char = str.charCodeAt(i); buf.push(String.fromCharCode(char >> 8 & 0xff), String.fromCharCode(char & 0xff)); } return buf.join(""); } function stringToUTF8String(str) { return decodeURIComponent(escape(str)); } function utf8StringToString(str) { return unescape(encodeURIComponent(str)); } function isArrayBuffer(v) { return typeof v === "object" && v !== null && v.byteLength !== undefined; } function isArrayEqual(arr1, arr2) { if (arr1.length !== arr2.length) { return false; } for (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; } /***/ }), /* 2 */ /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => { var _is_node = __w_pdfjs_require__(3); ; /***/ }), /* 3 */ /***/ ((__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; /***/ }), /* 4 */ /***/ ((__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__(5); var _display_utils = __w_pdfjs_require__(8); var _font_loader = __w_pdfjs_require__(11); var _canvas = __w_pdfjs_require__(12); var _worker_options = __w_pdfjs_require__(15); var _is_node = __w_pdfjs_require__(3); var _message_handler = __w_pdfjs_require__(16); var _metadata = __w_pdfjs_require__(17); var _optional_content_config = __w_pdfjs_require__(18); var _transport_stream = __w_pdfjs_require__(19); var _xfa_text = __w_pdfjs_require__(20); 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__(21); 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.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: '2.16.105', source: { data: source.data, url: source.url, password: source.password, disableAutoFetch: source.disableAutoFetch, rangeChunkSize: source.rangeChunkSize, length: source.length }, maxImageSize: source.maxImageSize, disableFontFace: source.disableFontFace, docBaseUrl: source.docBaseUrl, ignoreErrors: source.ignoreErrors, isEvalSupported: source.isEvalSupported, fontExtraProperties: source.fontExtraProperties, enableXfa: source.enableXfa, 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; 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; this.onUnsupportedFeature = null; } 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; Object.defineProperty(this, "fingerprint", { get() { (0, _display_utils.deprecated)("`PDFDocumentProxy.fingerprint`, " + "please use `PDFDocumentProxy.fingerprints` instead."); return this.fingerprints[0]; } }); Object.defineProperty(this, "getStats", { value: async () => { (0, _display_utils.deprecated)("`PDFDocumentProxy.getStats`, " + "please use the `PDFDocumentProxy.stats`-getter instead."); return this.stats || { streamTypes: {}, fontTypes: {} }; } }); } get annotationStorage() { return this._transport.annotationStorage; } get numPages() { return this._pdfInfo.numPages; } get fingerprints() { return this._pdfInfo.fingerprints; } get stats() { return this._transport.stats; } get isPureXfa() { return !!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(); } 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; } saveDocument() { if (this._transport.annotationStorage.size <= 0) { (0, _display_utils.deprecated)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead."); } return this._transport.saveDocument(); } 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._annotationPromises = 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); let promise = this._annotationPromises.get(intentArgs.cacheKey); if (!promise) { promise = this._transport.getAnnotations(this._pageIndex, intentArgs.renderingIntent); this._annotationPromises.set(intentArgs.cacheKey, promise); promise = promise.then(annotations => { for (const annotation of annotations) { if (annotation.titleObj !== undefined) { Object.defineProperty(annotation, "title", { get() { (0, _display_utils.deprecated)("`title`-property on annotation, please use `titleObj` instead."); return annotation.titleObj.str; } }); } if (annotation.contentsObj !== undefined) { Object.defineProperty(annotation, "contents", { get() { (0, _display_utils.deprecated)("`contents`-property on annotation, please use `contentsObj` instead."); return annotation.contentsObj.str; } }); } } return annotations; }); } return promise; } getJSActions() { return this._jsActionsPromise ||= this._transport.getPageJSActions(this._pageIndex); } async getXfa() { return this._transport._htmlForXfa?.children[this._pageIndex] || null; } render({ canvasContext, viewport, intent = "display", annotationMode = _util.AnnotationMode.ENABLE, transform = null, imageLayer = null, canvasFactory = null, background = null, optionalContentConfigPromise = null, annotationCanvasMap = null, pageColors = null, printAnnotationStorage = null }) { if (arguments[0]?.renderInteractiveForms !== undefined) { (0, _display_utils.deprecated)("render no longer accepts the `renderInteractiveForms`-option, " + "please use the `annotationMode`-option instead."); if (arguments[0].renderInteractiveForms === true && annotationMode === _util.AnnotationMode.ENABLE) { annotationMode = _util.AnnotationMode.ENABLE_FORMS; } } if (arguments[0]?.includeAnnotationStorage !== undefined) { (0, _display_utils.deprecated)("render no longer accepts the `includeAnnotationStorage`-option, " + "please use the `annotationMode`-option instead."); if (arguments[0].includeAnnotationStorage === true && annotationMode === _util.AnnotationMode.ENABLE) { annotationMode = _util.AnnotationMode.ENABLE_STORAGE; } } if (this._stats) { 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 }; if (this._stats) { 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(); } if (this._stats) { this._stats.timeEnd("Rendering"); this._stats.timeEnd("Overall"); } }; const internalRenderTask = new InternalRenderTask({ callback: complete, params: { canvasContext, viewport, transform, imageLayer, 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; } if (this._stats) { 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 }; if (this._stats) { 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._structTreePromise ||= 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._annotationPromises.clear(); this._jsActionsPromise = null; this._structTreePromise = null; 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(); this._annotationPromises.clear(); this._jsActionsPromise = null; this._structTreePromise = null; 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; } if (this._stats) { this._stats.timeEnd("Page Request"); } if (intentState.displayReadyCapability) { 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 (!force) { if (intentState.renderTasks.size > 0) { return; } if (reason instanceof _display_utils.RenderingCancelledException) { intentState.streamReaderCancelTimeout = setTimeout(() => { this._abortOperatorList({ intentState, reason, force: true }); intentState.streamReaderCancelTimeout = null; }, RENDERING_CANCELLED_TIMEOUT); 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 { constructor() { this._listeners = []; this._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(); } _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; { PDFWorker.getWorkerSrc = function () { (0, _display_utils.deprecated)("`PDFWorker.getWorkerSrc()`, please use `PDFWorker.workerSrc` instead."); return this.workerSrc; }; } 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({ docId: loadingTask.docId, 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); } 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 }); } saveDocument() { return this.messageHandler.sendWithPromise("SaveDocument", { isPureXfa: !!this._htmlForXfa, numPages: this._numPages, annotationStorage: this.annotationStorage.serializable, filename: this._fullReader?.filename ?? null }).finally(() => { this.annotationStorage.resetModified(); }); } 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) { await this.messageHandler.sendWithPromise("Cleanup", null); if (this.destroyed) { return; } 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() { this.#internalRenderTask.cancel(); } 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, imageLayer, background } = this.params; this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, imageLayer, optionalContentConfig, this.annotationCanvasMap, this.pageColors); this.gfx.beginDrawing({ transform, viewport, transparency, background }); this.operatorListIdx = 0; this.graphicsReady = true; if (this.graphicsReadyCallback) { this.graphicsReadyCallback(); } } cancel(error = null) { this.running = false; this.cancelled = true; if (this.gfx) { 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")); } operatorListChanged() { if (!this.graphicsReady) { if (!this.graphicsReadyCallback) { this.graphicsReadyCallback = this._continueBound; } return; } if (this.stepper) { this.stepper.updateOperatorList(this.operatorList); } if (this.running) { return; } this._continue(); } _continue() { 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 = '2.16.105'; exports.version = version; const build = '172ccdbe5'; exports.build = build; /***/ }), /* 5 */ /***/ ((__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__(6); var _murmurhash = __w_pdfjs_require__(10); class AnnotationStorage { constructor() { this._storage = new Map(); this._modified = false; 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; /***/ }), /* 6 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.AnnotationEditor = void 0; var _tools = __w_pdfjs_require__(7); var _util = __w_pdfjs_require__(1); class AnnotationEditor { #boundFocusin = this.focusin.bind(this); #boundFocusout = this.focusout.bind(this); #hasBeenSelected = false; #isEditing = false; #isInEditMode = false; #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; const [width, height] = this.parent.viewportBaseDimensions; this.x = parameters.x / width; this.y = parameters.y / height; this.rotation = this.parent.viewport.rotation; this.isAttachedToDOM = false; } static get _defaultLineColor() { return (0, _util.shadow)(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText")); } setInBackground() { this.div.style.zIndex = 0; } setInForeground() { this.div.style.zIndex = this.#zIndex; } 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.parent.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.parent.viewportBaseDimensions; [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.parent.viewportBaseDimensions; [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) { const { rotation } = this.parent.viewport; switch (rotation) { case 90: return [y, -x]; case 180: return [-x, -y]; case 270: return [-y, x]; default: return [x, y]; } } setDims(width, height) { const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions; this.div.style.width = `${100 * width / parentWidth}%`; this.div.style.height = `${100 * 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 = _tools.KeyboardManager.platform.isMac; 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 [parentWidth, parentHeight] = this.parent.viewportBaseDimensions; const [pageWidth, pageHeight] = this.parent.pageDimensions; const shiftX = pageWidth * tx / parentWidth; const shiftY = pageHeight * ty / parentHeight; 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, pageHeight - y - shiftY - height, x + shiftX + width, pageHeight - y - shiftY]; case 90: return [x + shiftY, pageHeight - y + shiftX, x + shiftY + height, pageHeight - y + shiftX + width]; case 180: return [x - shiftX - width, pageHeight - y + shiftY, x - shiftX, pageHeight - y + shiftY + height]; case 270: return [x - shiftY - height, pageHeight - y - shiftX - width, x - shiftY, pageHeight - y - shiftX]; 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) { const editor = new this.prototype.constructor({ parent, id: parent.getNextId() }); editor.rotation = data.rotation; const [pageWidth, pageHeight] = parent.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; /***/ }), /* 7 */ /***/ ((__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__(8); 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 = KeyboardManager.platform.isMac; 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)); } } } } static get platform() { const platform = typeof navigator !== "undefined" ? navigator.platform : ""; return (0, _util.shadow)(this, "platform", { isWin: platform.includes("Win"), isMac: platform.includes("Mac") }); } #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 ClipboardManager { #elements = null; copy(element) { if (!element) { return; } if (Array.isArray(element)) { this.#elements = element.map(el => el.serialize()); } else { this.#elements = [element.serialize()]; } this.#elements = this.#elements.filter(el => !!el); if (this.#elements.length === 0) { this.#elements = null; } } paste() { return this.#elements; } isEmpty() { return this.#elements === null; } destroy() { this.#elements = null; } } 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(); #clipboardManager = new ClipboardManager(); #commandManager = new CommandManager(); #currentPageIndex = 0; #editorTypes = null; #eventBus = null; #idManager = new IdManager(); #isEnabled = false; #mode = _util.AnnotationEditorType.NONE; #selectedEditors = new Set(); #boundKeydown = this.keydown.bind(this); #boundOnEditingAction = this.onEditingAction.bind(this); #boundOnPageChanging = this.onPageChanging.bind(this); #previousStates = { isEditing: false, isEmpty: true, hasEmptyClipboard: true, hasSomethingToUndo: false, hasSomethingToRedo: false, hasSelectedEditor: false }; #container = null; static _keyboardManager = new KeyboardManager([[["ctrl+a", "mac+meta+a"], AnnotationEditorUIManager.prototype.selectAll], [["ctrl+c", "mac+meta+c"], AnnotationEditorUIManager.prototype.copy], [["ctrl+v", "mac+meta+v"], AnnotationEditorUIManager.prototype.paste], [["ctrl+x", "mac+meta+x"], AnnotationEditorUIManager.prototype.cut], [["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) { this.#container = container; this.#eventBus = eventBus; this.#eventBus._on("editingaction", this.#boundOnEditingAction); this.#eventBus._on("pagechanging", this.#boundOnPageChanging); } destroy() { this.#removeKeyboardManager(); this.#eventBus._off("editingaction", this.#boundOnEditingAction); this.#eventBus._off("pagechanging", this.#boundOnPageChanging); for (const layer of this.#allLayers.values()) { layer.destroy(); } this.#allLayers.clear(); this.#allEditors.clear(); this.#activeEditor = null; this.#selectedEditors.clear(); this.#clipboardManager.destroy(); this.#commandManager.destroy(); } onPageChanging({ pageNumber }) { this.#currentPageIndex = pageNumber - 1; } focusMainContainer() { this.#container.focus(); } #addKeyboardManager() { this.#container.addEventListener("keydown", this.#boundKeydown); } #removeKeyboardManager() { this.#container.removeEventListener("keydown", this.#boundKeydown); } keydown(event) { if (!this.getActive()?.shouldGetKeyboardEvents()) { AnnotationEditorUIManager._keyboardManager.exec(this, event); } } onEditingAction(details) { if (["undo", "redo", "cut", "copy", "paste", "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.#dispatchUpdateStates({ isEditing: this.#mode !== _util.AnnotationEditorType.NONE, isEmpty: this.#isEmpty(), hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(), hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(), hasSelectedEditor: false, hasEmptyClipboard: this.#clipboardManager.isEmpty() }); } else { this.#removeKeyboardManager(); this.#dispatchUpdateStates({ isEditing: false }); } } registerEditorTypes(types) { this.#editorTypes = types; for (const editorType of this.#editorTypes) { this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate); } } getId() { return this.#idManager.getId(); } 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) { 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); } #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() { if (this.#activeEditor) { this.#activeEditor.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 }); } copy() { if (this.#activeEditor) { this.#activeEditor.commitOrRemove(); } if (this.hasSelection) { const editors = []; for (const editor of this.#selectedEditors) { if (!editor.isEmpty()) { editors.push(editor); } } if (editors.length === 0) { return; } this.#clipboardManager.copy(editors); this.#dispatchUpdateStates({ hasEmptyClipboard: false }); } } cut() { this.copy(); this.delete(); } paste() { if (this.#clipboardManager.isEmpty()) { return; } this.unselectAll(); const layer = this.#allLayers.get(this.#currentPageIndex); const newEditors = this.#clipboardManager.paste().map(data => layer.deserialize(data)); 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 }); } #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.#selectEditors.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; /***/ }), /* 8 */ /***/ ((__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; var _base_factory = __w_pdfjs_require__(9); 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 = Math.abs(viewBox[3] - viewBox[1]) * scale; height = Math.abs(viewBox[2] - viewBox[0]) * scale; } else { offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; width = Math.abs(viewBox[2] - viewBox[0]) * scale; height = Math.abs(viewBox[3] - viewBox[1]) * scale; } this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY]; this.width = width; this.height = height; } 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) { super(msg, "RenderingCancelledException"); this.type = type; } } 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$/i.test(filename); } function getFilenameFromUrl(url) { const anchor = url.indexOf("#"); const query = url.indexOf("?"); const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); return url.substring(url.lastIndexOf("/", end) + 1, end); } function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") { if (typeof url !== "string") { return defaultFilename; } if (isDataScheme(url)) { (0, _util.warn)('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.'); return defaultFilename; } const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/; 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 { constructor() { this.started = Object.create(null); this.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 ${name}`); } this.times.push({ name, start: this.started[name], end: Date.now() }); delete this.started[name]; } toString() { const outBuf = []; let longest = 0; for (const time of this.times) { const name = time.name; if (name.length > longest) { longest = name.length; } } for (const time of this.times) { const duration = time.end - time.start; outBuf.push(`${time.name.padEnd(longest)} ${duration}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]; } /***/ }), /* 9 */ /***/ ((__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; /***/ }), /* 10 */ /***/ ((__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; const hex1 = (h1 >>> 0).toString(16), hex2 = (h2 >>> 0).toString(16); return hex1.padStart(8, "0") + hex2.padStart(8, "0"); } } exports.MurmurHash3_64 = MurmurHash3_64; /***/ }), /* 11 */ /***/ ((__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); class BaseFontLoader { constructor({ docId, onUnsupportedFeature, ownerDocument = globalThis.document, styleElement = null }) { if (this.constructor === BaseFontLoader) { (0, _util.unreachable)("Cannot initialize BaseFontLoader."); } this.docId = docId; this._onUnsupportedFeature = onUnsupportedFeature; this._document = ownerDocument; this.nativeFontFaces = []; this.styleElement = null; } addNativeFontFace(nativeFontFace) { this.nativeFontFaces.push(nativeFontFace); this._document.fonts.add(nativeFontFace); } insertRule(rule) { let styleElement = this.styleElement; if (!styleElement) { styleElement = this.styleElement = this._document.createElement("style"); styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`; this._document.documentElement.getElementsByTagName("head")[0].append(styleElement); } const styleSheet = 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([rule], [font], request); }); } } _queueLoadingCallback(callback) { (0, _util.unreachable)("Abstract method `_queueLoadingCallback`."); } get isFontLoadingAPISupported() { const hasFonts = !!this._document?.fonts; return (0, _util.shadow)(this, "isFontLoadingAPISupported", hasFonts); } get isSyncFontLoadingSupported() { (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`."); } get _loadTestFont() { (0, _util.unreachable)("Abstract method `_loadTestFont`."); } _prepareFontLoadEvent(rules, fontsToLoad, request) { (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`."); } } let FontLoader; exports.FontLoader = FontLoader; { exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader { constructor(params) { super(params); this.loadingContext = { requests: [], nextRequestId: 0 }; this.loadTestFontId = 0; } get isSyncFontLoadingSupported() { let supported = false; if (typeof navigator === "undefined") { supported = true; } else { const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); if (m?.[1] >= 14) { 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 (context.requests.length > 0 && context.requests[0].done) { const otherRequest = context.requests.shift(); setTimeout(otherRequest.callback, 0); } } const context = this.loadingContext; const request = { id: `pdfjs-font-loading-${context.nextRequestId++}`, done: false, complete: completeRequest, callback }; context.requests.push(request); return request; } get _loadTestFont() { const getLoadTestFont = function () { return 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", getLoadTestFont()); } _prepareFontLoadEvent(rules, fonts, request) { function int32(data, offset) { return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff; } function spliceString(s, offset, remove, insert) { 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) { called++; 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 names = []; for (const font of fonts) { names.push(font.loadedName); } names.push(loadTestFontId); 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 names) { 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(); }); } }; } 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 ${this.cssFontInfo.italicAngle}deg`; } nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css); } if (this.fontRegistry) { this.fontRegistry.registerFont(this); } return nativeFontFace; } createFontFaceRule() { if (!this.data || this.disableFontFace) { return null; } const data = (0, _util.bytesToString)(this.data); const url = `url(data:${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}}`; } if (this.fontRegistry) { 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; /***/ }), /* 12 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.CanvasGraphics = void 0; var _display_utils = __w_pdfjs_require__(8); var _util = __w_pdfjs_require__(1); var _pattern_helper = __w_pdfjs_require__(13); var _image_utils = __w_pdfjs_require__(14); var _is_node = __w_pdfjs_require__(3); 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 (let i = 0, ii = properties.length; i < ii; i++) { const property = properties[i]; 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, imageLayer, optionalContentConfig, 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.imageLayer = imageLayer; 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 = []; 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); if (this.imageLayer) { (0, _display_utils.deprecated)("The `imageLayer` functionality will be removed in the future."); this.imageLayer.beginLayout(); } } 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(); if (this.imageLayer) { this.imageLayer.endLayout(); } } _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; const withoutTranslation = currentTransform.slice(0, 4); cacheKey = JSON.stringify(isPatternFill ? withoutTranslation : [withoutTranslation, 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 (let i = 0, ii = states.length; i < ii; i++) { const state = states[i]; const key = state[0]; const value = state[1]; switch (key) { case "LW": this.setLineWidth(value); break; case "LC": this.setLineCap(value); break; case "LJ": this.setLineJoin(value); break; case "ML": this.setMiterLimit(value); break; case "D": this.setDash(value[0], value[1]); break; case "RI": this.setRenderingIntent(value); break; case "FL": this.setFlatness(value); break; case "Font": this.setFont(value[0], value[1]); break; case "CA": this.current.strokeAlpha = state[1]; break; case "ca": this.current.fillAlpha = state[1]; this.ctx.globalAlpha = state[1]; break; case "BM": 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) { consumePath = typeof consumePath !== "undefined" ? 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) { consumePath = typeof consumePath !== "undefined" ? 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; 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); } }; 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, 0, 0); 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); const [rWidth, rHeight] = drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height); if (this.imageLayer) { const [left, top] = _util.Util.applyTransform([0, -height], (0, _display_utils.getCurrentTransform)(this.ctx)); this.imageLayer.appendImage({ imgData, left, top, width: rWidth, height: rHeight }); } 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); if (this.imageLayer) { const [left, top] = _util.Util.applyTransform([entry.x, entry.y], (0, _display_utils.getCurrentTransform)(this.ctx)); this.imageLayer.appendImage({ imgData, left, top, width: w, height: h }); } 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]; } } /***/ }), /* 13 */ /***/ ((__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__(8); var _is_node = __w_pdfjs_require__(3); 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); try { pattern.setTransform(domMatrix); } catch (ex) { (0, _util.warn)(`RadialAxialShadingPattern.getPattern: "${ex?.message}".`); } } 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: ${paintType}`); } } getPattern(ctx, owner, inverse, pathType) { let matrix = inverse; if (pathType !== PathType.SHADING) { matrix = _util.Util.transform(matrix, owner.baseTransform); if (this.matrix) { matrix = _util.Util.transform(matrix, this.matrix); } } const temporaryPatternCanvas = this.createPatternCanvas(owner); let domMatrix = new DOMMatrix(matrix); domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY); const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat"); try { pattern.setTransform(domMatrix); } catch (ex) { (0, _util.warn)(`TilingPattern.getPattern: "${ex?.message}".`); } return pattern; } } exports.TilingPattern = TilingPattern; /***/ }), /* 14 */ /***/ ((__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 }; } /***/ }), /* 15 */ /***/ ((__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; /***/ }), /* 16 */ /***/ ((__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; /***/ }), /* 17 */ /***/ ((__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; /***/ }), /* 18 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.OptionalContentConfig = void 0; var _util = __w_pdfjs_require__(1); 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 { #cachedHasInitialVisibility = true; #groups = new Map(); #initialVisibility = 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.#initialVisibility = new Map(); for (const [id, group] of this.#groups) { this.#initialVisibility.set(id, group.visible); } } #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.#cachedHasInitialVisibility = null; } get hasInitialVisibility() { if (this.#cachedHasInitialVisibility !== null) { return this.#cachedHasInitialVisibility; } for (const [id, group] of this.#groups) { const visible = this.#initialVisibility.get(id); if (group.visible !== visible) { return this.#cachedHasInitialVisibility = false; } } return this.#cachedHasInitialVisibility = true; } 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; } } exports.OptionalContentConfig = OptionalContentConfig; /***/ }), /* 19 */ /***/ ((__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__(8); 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) { const firstReader = this._rangeReaders[0]; if (firstReader?.onProgress) { firstReader.onProgress({ loaded: evt.loaded }); } } else { const fullReader = this._fullRequestReader; if (fullReader?.onProgress) { fullReader.onProgress({ loaded: evt.loaded, total: evt.total }); } } } _onProgressiveDone() { if (this._fullRequestReader) { 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) { if (this._fullRequestReader) { 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); } } /***/ }), /* 20 */ /***/ ((__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; /***/ }), /* 21 */ /***/ ((__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__(9); ; 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; /***/ }), /* 22 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.AnnotationEditorLayer = void 0; var _tools = __w_pdfjs_require__(7); var _util = __w_pdfjs_require__(1); var _freetext = __w_pdfjs_require__(23); var _ink = __w_pdfjs_require__(24); 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.annotationStorage = options.annotationStorage; 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(); } 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); this.annotationStorage.remove(editor.id); 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.pageIndex = this.pageIndex; editor.parent?.detach(editor); editor.parent = 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.addToAnnotationStorage(editor); } moveEditorInDOM(editor) { this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true); } addToAnnotationStorage(editor) { if (!editor.isEmpty() && !this.annotationStorage.has(editor.id)) { this.annotationStorage.setValue(editor.id, editor); } } 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); case _util.AnnotationEditorType.INK: return _ink.InkEditor.deserialize(data, this); } return null; } #createAndAddNewEditor(event) { const id = this.getNextId(); const editor = this.#createNewEditor({ parent: this, id, x: event.offsetX, y: event.offsetY }); 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 = _tools.KeyboardManager.platform.isMac; 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 = _tools.KeyboardManager.platform.isMac; 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.isAttachedToDOM = false; editor.div.remove(); editor.parent = null; } 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(parameters) { this.viewport = parameters.viewport; (0, _tools.bindEvents)(this, this.div, ["dragover", "drop"]); this.setDimensions(); for (const editor of this.#uiManager.getEditors(this.pageIndex)) { this.add(editor); } this.updateMode(); } update(parameters) { this.viewport = parameters.viewport; this.setDimensions(); this.updateMode(); } get scaleFactor() { return this.viewport.scale; } get pageDimensions() { const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox; const width = pageURx - pageLLx; const height = pageURy - pageLLy; return [width, height]; } get viewportBaseDimensions() { const { width, height, rotation } = this.viewport; return rotation % 180 === 0 ? [width, height] : [height, width]; } setDimensions() { const { width, height, rotation } = this.viewport; const flipOrientation = rotation % 180 !== 0, widthStr = Math.floor(width) + "px", heightStr = Math.floor(height) + "px"; this.div.style.width = flipOrientation ? heightStr : widthStr; this.div.style.height = flipOrientation ? widthStr : heightStr; this.div.setAttribute("data-main-rotation", rotation); } } 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__(7); var _editor = __w_pdfjs_require__(6); class FreeTextEditor extends _editor.AnnotationEditor { #boundEditorDivBlur = this.editorDivBlur.bind(this); #boundEditorDivFocus = this.editorDivFocus.bind(this); #boundEditorDivKeydown = this.editorDivKeydown.bind(this); #color; #content = ""; #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_text_default_content", "editor_free_text_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.parent.scaleFactor); this.#fontSize = size; this.#setEditorDimensions(); }; const savedFontsize = this.#fontSize; this.parent.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.parent.addCommands({ cmd: () => { this.#color = color; this.editorDiv.style.color = color; }, undo: () => { this.#color = savedColor; this.editorDiv.style.color = savedColor; }, mustExec: true, type: _util.AnnotationEditorParamsType.FREETEXT_COLOR, overwriteIfSameType: true, keepUndo: true }); } getInitialTranslation() { return [-FreeTextEditor._internalPadding * this.parent.scaleFactor, -(FreeTextEditor._internalPadding + this.#fontSize) * this.parent.scaleFactor]; } 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.enableEditing(); this.overlayDiv.classList.remove("enabled"); this.editorDiv.contentEditable = true; this.div.draggable = false; this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown); this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus); this.editorDiv.addEventListener("blur", this.#boundEditorDivBlur); } disableEditMode() { if (!this.isInEditMode()) { return; } this.parent.setEditingState(true); super.disableEditMode(); this.disableEditing(); this.overlayDiv.classList.add("enabled"); this.editorDiv.contentEditable = false; this.div.draggable = true; this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown); this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus); this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur); this.div.focus(); this.isEditing = false; } 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); super.remove(); } #extractText() { const divs = this.editorDiv.getElementsByTagName("div"); if (divs.length === 0) { return this.editorDiv.innerText; } const buffer = []; for (let i = 0, ii = divs.length; i < ii; i++) { const div = divs[i]; const first = div.firstChild; if (first?.nodeName === "#text") { buffer.push(first.data); } else { buffer.push(""); } } return buffer.join("\n"); } #setEditorDimensions() { const [parentWidth, parentHeight] = this.parent.viewportBaseDimensions; const rect = this.div.getBoundingClientRect(); this.width = rect.width / parentWidth; this.height = rect.height / parentHeight; } commit() { 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; } 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", `${this.id}-editor`); this.enableEditing(); FreeTextEditor._l10nPromise.get("editor_free_text_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg)); FreeTextEditor._l10nPromise.get("free_text_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg)); this.editorDiv.contentEditable = true; const { style } = this.editorDiv; style.fontSize = `calc(${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.parent.viewportBaseDimensions; 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) { const editor = super.deserialize(data, parent); 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.parent.scaleFactor; const rect = this.getRect(padding, padding); const color = _editor.AnnotationEditor._colorManager.convert(getComputedStyle(this.editorDiv).color); return { annotationType: _util.AnnotationEditorType.FREETEXT, color, fontSize: this.#fontSize, value: this.#content, pageIndex: this.parent.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__(6); var _pdfjsFitCurve = __w_pdfjs_require__(25); var _tools = __w_pdfjs_require__(7); const RESIZER_SIZE = 16; 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_ink_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.parent.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.parent.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.parent.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(); } 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 { width, height, rotation } = this.parent.viewport; switch (rotation) { case 90: return [0, width, width, height]; case 180: return [width, height, width, height]; case 270: return [height, 0, width, height]; default: return [0, 0, width, height]; } } #setStroke() { this.ctx.lineWidth = this.thickness * this.parent.scaleFactor / this.scaleFactor; this.ctx.lineCap = "round"; this.ctx.lineJoin = "round"; this.ctx.miterLimit = 10; this.ctx.strokeStyle = `${this.color}${(0, _tools.opacityToHex)(this.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.parent.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(); } 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.parent.addToAnnotationStorage(this); } #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() { this.#observer = new ResizeObserver(entries => { const rect = entries[0].contentRect; if (rect.width && rect.height) { 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_ink_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.parent.viewportBaseDimensions; 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.parent.viewportBaseDimensions; 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.parent.viewportBaseDimensions; 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.parent.scaleFactor) : 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.parent.viewportBaseDimensions; 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) { const editor = super.deserialize(data, parent); editor.thickness = data.thickness; editor.color = _util.Util.makeHexColor(...data.color); editor.opacity = data.opacity; const [pageWidth, pageHeight] = parent.pageDimensions; const width = editor.width * pageWidth; const height = editor.height * pageHeight; const scaleFactor = parent.scaleFactor; 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.parent.scaleFactor, this.translationX, this.translationY, height), pageIndex: this.parent.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__(8); var _annotation_storage = __w_pdfjs_require__(5); 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; this._mouseState = parameters.mouseState; if (isRenderable) { this.container = this._createContainer(ignoreBorder); } if (createQuadrilaterals) { this.quadrilaterals = this._createQuadrilaterals(ignoreBorder); } } _createContainer(ignoreBorder = false) { const data = this.data, page = this.page, viewport = this.viewport; const container = document.createElement("section"); const { width, height } = getRectDims(data.rect); const [pageLLx, pageLLy, pageURx, pageURy] = viewport.viewBox; const pageWidth = pageURx - pageLLx; const pageHeight = pageURy - pageLLy; container.setAttribute("data-annotation-id", data.id); 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] - pageLLx) / pageWidth}%`; container.style.top = `${100 * (rect[1] - pageLLy) / pageHeight}%`; const { rotation } = data; if (data.hasOwnCanvas || rotation === 0) { container.style.width = `${100 * width / pageWidth}%`; container.style.height = `${100 * height / pageHeight}%`; } else { this.setRotation(rotation, container); } return container; } setRotation(angle, container = this.container) { const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox; const pageWidth = pageURx - pageLLx; const pageHeight = pageURy - pageLLy; const { width, height } = getRectDims(this.data.rect); let elementWidth, elementHeight; if (angle % 180 === 0) { elementWidth = 100 * width / pageWidth; elementHeight = 100 * height / pageHeight; } else { elementWidth = 100 * height / pageWidth; elementHeight = 100 * width / pageHeight; } container.style.width = `${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]; if (action) { 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 { id, exportValue } = domElement; if (id === skipId) { continue; } if (!GetElementsByNameSet.has(domElement)) { continue; } fields.push({ id, exportValue, domElement }); } return fields; } static get platform() { const platform = typeof navigator !== "undefined" ? navigator.platform : ""; return (0, _util.shadow)(this, "platform", { isWin: platform.includes("Win"), isMac: platform.includes("Mac") }); } } 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.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; } _bindLink(link, destination) { link.href = this.linkService.getDestinationHash(destination); link.onclick = () => { if (destination) { this.linkService.goToDestination(destination); } return false; }; if (destination || destination === "") { link.className = "internalLink"; } } _bindNamedAction(link, action) { link.href = this.linkService.getAnchorUrl(""); link.onclick = () => { this.linkService.executeNamedAction(action); return false; }; link.className = "internalLink"; } _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; } link.className = "internalLink"; } _bindResetFormAction(link, resetForm) { const otherClickAction = link.onclick; if (!otherClickAction) { link.href = this.linkService.getAnchorUrl(""); } link.className = "internalLink"; 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 = () => { if (otherClickAction) { 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 } = AnnotationElement.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; if (this.data.multiLine) { const height = Math.abs(this.data.rect[3] - this.data.rect[1]); const numberOfLines = Math.round(height / (_util.LINE_FACTOR * fontSize)) || 1; const lineHeight = height / numberOfLines; computedFontSize = Math.min(fontSize, Math.round(lineHeight / _util.LINE_FACTOR)); } else { const height = Math.abs(this.data.rect[3] - this.data.rect[1]); computedFontSize = Math.min(fontSize, Math.round(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, valueOnFocus: "" }; 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 => { if (elementData.userValue) { event.target.value = elementData.userValue; } elementData.valueOnFocus = event.target.value; }); 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 => { let commitKey = -1; if (event.key === "Escape") { commitKey = 0; } else if (event.key === "Enter") { commitKey = 2; } else if (event.key === "Tab") { commitKey = 3; } if (commitKey === -1) { return; } const { value } = event.target; if (elementData.valueOnFocus === value) { return; } 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 => { const { value } = event.target; elementData.userValue = value; if (this._mouseState.isDown && elementData.valueOnFocus !== value) { this.linkService.eventBus?.dispatch("dispatcheventinsandbox", { source: this, detail: { id, name: "Keystroke", value, willCommit: true, commitKey: 1, selStart: event.target.selectionStart, selEnd: event.target.selectionEnd } }); } _blurListener(event); }); if (this.data.actions?.Keystroke) { element.addEventListener("beforeinput", event => { 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 = (event, isExport) => { const name = isExport ? "value" : "textContent"; const options = event.target.options; if (!event.target.multiple) { return options.selectedIndex === -1 ? null : options[options.selectedIndex][name]; } return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]); }; 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(event, true) }); }, 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(event, true), items: getItems(event) }); }, clear(event) { while (selectElement.length !== 0) { selectElement.remove(0); } storage.setValue(id, { value: null, items: [] }); }, 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(event, true), items: getItems(event) }); }, 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(event, true), items: getItems(event) }); }, 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(event, true) }); }, editable(event) { event.target.disabled = !event.detail.editable; } }; this._dispatchEventFromSandbox(actions, jsEvent); }); selectElement.addEventListener("input", event => { const exportValue = getValue(event, true); const value = getValue(event, false); storage.setValue(id, { value: exportValue }); this.linkService.eventBus?.dispatch("dispatcheventinsandbox", { source: this, detail: { id, name: "Keystroke", value, changeEx: exportValue, willCommit: true, 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(event, 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 { constructor(parameters) { const isRenderable = !!(parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str); super(parameters, { isRenderable }); } render() { const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"]; this.container.className = "popupAnnotation"; if (IGNORE_TYPES.includes(this.data.parentType)) { return this.container; } const selector = `[data-annotation-id="${this.data.parentId}"]`; const parentElements = this.layer.querySelectorAll(selector); if (parentElements.length === 0) { return this.container; } const popup = new PopupElement({ container: this.container, trigger: Array.from(parentElements), color: this.data.color, titleObj: this.data.titleObj, modificationDate: this.data.modificationDate, contentsObj: this.data.contentsObj, richText: this.data.richText }); const page = this.page; const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]); const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0]; const popupTop = rect[1]; const [pageLLx, pageLLy, pageURx, pageURy] = this.viewport.viewBox; const pageWidth = pageURx - pageLLx; const pageHeight = pageURy - pageLLy; this.container.style.left = `${100 * (popupLeft - pageLLx) / pageWidth}%`; this.container.style.top = `${100 * (popupTop - pageLLy) / 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); this.content = content; this.linkService.eventBus?.dispatch("fileattachmentannotation", { source: this, filename, content }); } render() { this.container.className = "fileAttachmentAnnotation"; const trigger = document.createElement("div"); 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(parameters) { const { annotations, div, viewport, accessibilityManager } = parameters; this.#setDimensions(div, viewport); 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; } } const element = AnnotationElementFactory.create({ data, layer: div, page: parameters.page, viewport, linkService: parameters.linkService, downloadManager: parameters.downloadManager, imageResourcesPath: parameters.imageResourcesPath || "", renderForms: parameters.renderForms !== false, svgFactory: new _display_utils.DOMSVGFactory(), annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage(), enableScripting: parameters.enableScripting, hasJSActions: parameters.hasJSActions, fieldObjects: parameters.fieldObjects, mouseState: parameters.mouseState || { isDown: false } }); if (element.isRenderable) { 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, parameters.annotationCanvasMap); } static update(parameters) { const { annotationCanvasMap, div, viewport } = parameters; this.#setDimensions(div, viewport); this.#setAnnotationCanvasMap(div, annotationCanvasMap); div.hidden = false; } static #setDimensions(div, { width, height, rotation }) { const { style } = div; const flipOrientation = rotation % 180 !== 0, widthStr = Math.floor(width) + "px", heightStr = Math.floor(height) + "px"; style.width = flipOrientation ? heightStr : widthStr; style.height = flipOrientation ? widthStr : heightStr; div.setAttribute("data-main-rotation", rotation); } 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__(20); 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.TextLayerRenderTask = void 0; exports.renderTextLayer = renderTextLayer; var _util = __w_pdfjs_require__(1); var _display_utils = __w_pdfjs_require__(8); const MAX_TEXT_DIVS_TO_RENDER = 100000; const DEFAULT_FONT_SIZE = 30; const DEFAULT_FONT_ASCENT = 0.8; const ascentCache = new Map(); const AllWhitespaceRegexp = /^\s+$/g; function getAscent(fontFamily, ctx) { const cachedAscent = ascentCache.get(fontFamily); if (cachedAscent) { return cachedAscent; } ctx.save(); ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`; const metrics = ctx.measureText(""); let ascent = metrics.fontBoundingBoxAscent; let descent = Math.abs(metrics.fontBoundingBoxDescent); if (ascent) { ctx.restore(); const ratio = ascent / (ascent + descent); ascentCache.set(fontFamily, ratio); 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.restore(); 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, ctx) { const textDiv = document.createElement("span"); const textDivProperties = task._enhanceTextSelection ? { angle: 0, canvasWidth: 0, hasText: geom.str !== "", hasEOL: geom.hasEOL, originalTransform: null, paddingBottom: 0, paddingLeft: 0, paddingRight: 0, paddingTop: 0, scale: 1, fontSize: 0 } : { angle: 0, canvasWidth: 0, hasText: geom.str !== "", hasEOL: geom.hasEOL, fontSize: 0 }; task._textDivs.push(textDiv); const tx = _util.Util.transform(task._viewport.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, ctx); 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); } textDiv.style.left = `${left}px`; textDiv.style.top = `${top}px`; textDiv.style.fontSize = `${fontHeight}px`; textDiv.style.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 || task._enhanceTextSelection && AllWhitespaceRegexp.test(geom.str)) { 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) { if (style.vertical) { textDivProperties.canvasWidth = geom.height * task._viewport.scale; } else { textDivProperties.canvasWidth = geom.width * task._viewport.scale; } } task._textDivProperties.set(textDiv, textDivProperties); if (task._textContentStream) { task._layoutText(textDiv); } if (task._enhanceTextSelection && textDivProperties.hasText) { let angleCos = 1, angleSin = 0; if (angle !== 0) { angleCos = Math.cos(angle); angleSin = Math.sin(angle); } const divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; const divHeight = fontHeight; let m, b; if (angle !== 0) { m = [angleCos, angleSin, -angleSin, angleCos, left, top]; b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m); } else { b = [left, top, left + divWidth, top + divHeight]; } task._bounds.push({ left: b[0], top: b[1], right: b[2], bottom: b[3], div: textDiv, size: [divWidth, divHeight], m }); } } 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) { task._renderingDone = true; capability.resolve(); return; } if (!task._textContentStream) { for (let i = 0; i < textDivsLength; i++) { task._layoutText(textDivs[i]); } } task._renderingDone = true; capability.resolve(); } function findPositiveMin(ts, offset, count) { let result = 0; for (let i = 0; i < count; i++) { const t = ts[offset++]; if (t > 0) { result = result ? Math.min(t, result) : t; } } return result; } function expand(task) { const bounds = task._bounds; const viewport = task._viewport; const expanded = expandBounds(viewport.width, viewport.height, bounds); for (let i = 0; i < expanded.length; i++) { const div = bounds[i].div; const divProperties = task._textDivProperties.get(div); if (divProperties.angle === 0) { divProperties.paddingLeft = bounds[i].left - expanded[i].left; divProperties.paddingTop = bounds[i].top - expanded[i].top; divProperties.paddingRight = expanded[i].right - bounds[i].right; divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; task._textDivProperties.set(div, divProperties); continue; } const e = expanded[i], b = bounds[i]; const m = b.m, c = m[0], s = m[1]; const points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size]; const ts = new Float64Array(64); for (let j = 0, jj = points.length; j < jj; j++) { const t = _util.Util.applyTransform(points[j], m); ts[j + 0] = c && (e.left - t[0]) / c; ts[j + 4] = s && (e.top - t[1]) / s; ts[j + 8] = c && (e.right - t[0]) / c; ts[j + 12] = s && (e.bottom - t[1]) / s; ts[j + 16] = s && (e.left - t[0]) / -s; ts[j + 20] = c && (e.top - t[1]) / c; ts[j + 24] = s && (e.right - t[0]) / -s; ts[j + 28] = c && (e.bottom - t[1]) / c; ts[j + 32] = c && (e.left - t[0]) / -c; ts[j + 36] = s && (e.top - t[1]) / -s; ts[j + 40] = c && (e.right - t[0]) / -c; ts[j + 44] = s && (e.bottom - t[1]) / -s; ts[j + 48] = s && (e.left - t[0]) / s; ts[j + 52] = c && (e.top - t[1]) / -c; ts[j + 56] = s && (e.right - t[0]) / s; ts[j + 60] = c && (e.bottom - t[1]) / -c; } const boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; task._textDivProperties.set(div, divProperties); } } function expandBounds(width, height, boxes) { const bounds = boxes.map(function (box, i) { return { x1: box.left, y1: box.top, x2: box.right, y2: box.bottom, index: i, x1New: undefined, x2New: undefined }; }); expandBoundsLTR(width, bounds); const expanded = new Array(boxes.length); for (const b of bounds) { const i = b.index; expanded[i] = { left: b.x1New, top: 0, right: b.x2New, bottom: 0 }; } boxes.map(function (box, i) { const e = expanded[i], b = bounds[i]; b.x1 = box.top; b.y1 = width - e.right; b.x2 = box.bottom; b.y2 = width - e.left; b.index = i; b.x1New = undefined; b.x2New = undefined; }); expandBoundsLTR(height, bounds); for (const b of bounds) { const i = b.index; expanded[i].top = b.x1New; expanded[i].bottom = b.x2New; } return expanded; } function expandBoundsLTR(width, bounds) { bounds.sort(function (a, b) { return a.x1 - b.x1 || a.index - b.index; }); const fakeBoundary = { x1: -Infinity, y1: -Infinity, x2: 0, y2: Infinity, index: -1, x1New: 0, x2New: 0 }; const horizon = [{ start: -Infinity, end: Infinity, boundary: fakeBoundary }]; for (const boundary of bounds) { let i = 0; while (i < horizon.length && horizon[i].end <= boundary.y1) { i++; } let j = horizon.length - 1; while (j >= 0 && horizon[j].start >= boundary.y2) { j--; } let horizonPart, affectedBoundary; let q, k, maxXNew = -Infinity; for (q = i; q <= j; q++) { horizonPart = horizon[q]; affectedBoundary = horizonPart.boundary; let xNew; if (affectedBoundary.x2 > boundary.x1) { xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; } else if (affectedBoundary.x2New === undefined) { xNew = (affectedBoundary.x2 + boundary.x1) / 2; } else { xNew = affectedBoundary.x2New; } if (xNew > maxXNew) { maxXNew = xNew; } } boundary.x1New = maxXNew; for (q = i; q <= j; q++) { horizonPart = horizon[q]; affectedBoundary = horizonPart.boundary; if (affectedBoundary.x2New === undefined) { if (affectedBoundary.x2 > boundary.x1) { if (affectedBoundary.index > boundary.index) { affectedBoundary.x2New = affectedBoundary.x2; } } else { affectedBoundary.x2New = maxXNew; } } else if (affectedBoundary.x2New > maxXNew) { affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); } } const changedHorizon = []; let lastBoundary = null; for (q = i; q <= j; q++) { horizonPart = horizon[q]; affectedBoundary = horizonPart.boundary; const useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; if (lastBoundary === useBoundary) { changedHorizon.at(-1).end = horizonPart.end; } else { changedHorizon.push({ start: horizonPart.start, end: horizonPart.end, boundary: useBoundary }); lastBoundary = useBoundary; } } if (horizon[i].start < boundary.y1) { changedHorizon[0].start = boundary.y1; changedHorizon.unshift({ start: horizon[i].start, end: boundary.y1, boundary: horizon[i].boundary }); } if (boundary.y2 < horizon[j].end) { changedHorizon.at(-1).end = boundary.y2; changedHorizon.push({ start: boundary.y2, end: horizon[j].end, boundary: horizon[j].boundary }); } for (q = i; q <= j; q++) { horizonPart = horizon[q]; affectedBoundary = horizonPart.boundary; if (affectedBoundary.x2New !== undefined) { continue; } let used = false; for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { used = horizon[k].boundary === affectedBoundary; } for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { used = horizon[k].boundary === affectedBoundary; } for (k = 0; !used && k < changedHorizon.length; k++) { used = changedHorizon[k].boundary === affectedBoundary; } if (!used) { affectedBoundary.x2New = maxXNew; } } Array.prototype.splice.apply(horizon, [i, j - i + 1, ...changedHorizon]); } for (const horizonPart of horizon) { const affectedBoundary = horizonPart.boundary; if (affectedBoundary.x2New === undefined) { affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); } } } class TextLayerRenderTask { constructor({ textContent, textContentStream, container, viewport, textDivs, textContentItemsStr, enhanceTextSelection }) { if (enhanceTextSelection) { (0, _display_utils.deprecated)("The `enhanceTextSelection` functionality will be removed in the future."); } this._textContent = textContent; this._textContentStream = textContentStream; this._container = container; this._document = container.ownerDocument; this._viewport = viewport; this._textDivs = textDivs || []; this._textContentItemsStr = textContentItemsStr || []; this._enhanceTextSelection = !!enhanceTextSelection; this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled; this._reader = null; this._layoutTextLastFontSize = null; this._layoutTextLastFontFamily = null; this._layoutTextCtx = null; this._textDivProperties = new WeakMap(); this._renderingDone = false; this._canceled = false; this._capability = (0, _util.createPromiseCapability)(); this._renderTimer = null; this._bounds = []; this._devicePixelRatio = globalThis.devicePixelRatio || 1; this._capability.promise.finally(() => { if (!this._enhanceTextSelection) { this._textDivProperties = null; } if (this._layoutTextCtx) { this._layoutTextCtx.canvas.width = 0; this._layoutTextCtx.canvas.height = 0; this._layoutTextCtx = 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; } if (this._renderTimer !== null) { clearTimeout(this._renderTimer); this._renderTimer = null; } this._capability.reject(new Error("TextLayer task cancelled.")); } _processItems(items, styleCache) { for (let i = 0, len = items.length; i < len; i++) { if (items[i].str === undefined) { if (items[i].type === "beginMarkedContentProps" || items[i].type === "beginMarkedContent") { const parent = this._container; this._container = document.createElement("span"); this._container.classList.add("markedContent"); if (items[i].id !== null) { this._container.setAttribute("id", `${items[i].id}`); } parent.append(this._container); } else if (items[i].type === "endMarkedContent") { this._container = this._container.parentNode; } continue; } this._textContentItemsStr.push(items[i].str); appendText(this, items[i], styleCache, this._layoutTextCtx); } } _layoutText(textDiv) { const textDivProperties = this._textDivProperties.get(textDiv); let transform = ""; if (textDivProperties.canvasWidth !== 0 && textDivProperties.hasText) { const { fontFamily } = textDiv.style; const { fontSize } = textDivProperties; if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) { this._layoutTextCtx.font = `${fontSize * this._devicePixelRatio}px ${fontFamily}`; this._layoutTextLastFontSize = fontSize; this._layoutTextLastFontFamily = fontFamily; } const { width } = this._layoutTextCtx.measureText(textDiv.textContent); if (width > 0) { const scale = this._devicePixelRatio * textDivProperties.canvasWidth / width; if (this._enhanceTextSelection) { textDivProperties.scale = scale; } transform = `scaleX(${scale})`; } } if (textDivProperties.angle !== 0) { transform = `rotate(${textDivProperties.angle}deg) ${transform}`; } if (transform.length > 0) { if (this._enhanceTextSelection) { textDivProperties.originalTransform = transform; } textDiv.style.transform = transform; } if (textDivProperties.hasText) { this._container.append(textDiv); } if (textDivProperties.hasEOL) { const br = document.createElement("br"); br.setAttribute("role", "presentation"); this._container.append(br); } } _render(timeout = 0) { const capability = (0, _util.createPromiseCapability)(); let styleCache = Object.create(null); const canvas = this._document.createElement("canvas"); canvas.height = canvas.width = DEFAULT_FONT_SIZE; this._layoutTextCtx = canvas.getContext("2d", { alpha: false }); if (this._textContent) { const textItems = this._textContent.items; const textStyles = this._textContent.styles; this._processItems(textItems, textStyles); capability.resolve(); } else if (this._textContentStream) { 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._textContentStream.getReader(); pump(); } else { throw new Error('Neither "textContent" nor "textContentStream" parameters specified.'); } capability.promise.then(() => { styleCache = null; if (!timeout) { render(this); } else { this._renderTimer = setTimeout(() => { render(this); this._renderTimer = null; }, timeout); } }, this._capability.reject); } expandTextDivs(expandDivs = false) { if (!this._enhanceTextSelection || !this._renderingDone) { return; } if (this._bounds !== null) { expand(this); this._bounds = null; } const transformBuf = [], paddingBuf = []; for (let i = 0, ii = this._textDivs.length; i < ii; i++) { const div = this._textDivs[i]; const divProps = this._textDivProperties.get(div); if (!divProps.hasText) { continue; } if (expandDivs) { transformBuf.length = 0; paddingBuf.length = 0; if (divProps.originalTransform) { transformBuf.push(divProps.originalTransform); } if (divProps.paddingTop > 0) { paddingBuf.push(`${divProps.paddingTop}px`); transformBuf.push(`translateY(${-divProps.paddingTop}px)`); } else { paddingBuf.push(0); } if (divProps.paddingRight > 0) { paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`); } else { paddingBuf.push(0); } if (divProps.paddingBottom > 0) { paddingBuf.push(`${divProps.paddingBottom}px`); } else { paddingBuf.push(0); } if (divProps.paddingLeft > 0) { paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`); transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`); } else { paddingBuf.push(0); } div.style.padding = paddingBuf.join(" "); if (transformBuf.length) { div.style.transform = transformBuf.join(" "); } } else { div.style.padding = null; div.style.transform = divProps.originalTransform; } } } } exports.TextLayerRenderTask = TextLayerRenderTask; function renderTextLayer(renderParameters) { const task = new TextLayerRenderTask({ textContent: renderParameters.textContent, textContentStream: renderParameters.textContentStream, container: renderParameters.container, viewport: renderParameters.viewport, textDivs: renderParameters.textDivs, textContentItemsStr: renderParameters.textContentItemsStr, enhanceTextSelection: renderParameters.enhanceTextSelection }); task._render(renderParameters.timeout); return task; } /***/ }), /* 31 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.SVGGraphics = void 0; var _display_utils = __w_pdfjs_require__(8); var _util = __w_pdfjs_require__(1); var _is_node = __w_pdfjs_require__(3); let SVGGraphics = class { constructor() { (0, _util.unreachable)("Not implemented: SVGGraphics"); } }; exports.SVGGraphics = SVGGraphics; { const SVG_DEFAULTS = { fontStyle: "normal", fontWeight: "normal", fillColor: "#000000" }; const XML_NS = "http://www.w3.org/XML/1998/namespace"; const XLINK_NS = "http://www.w3.org/1999/xlink"; const LINE_CAP_STYLES = ["butt", "round", "square"]; const LINE_JOIN_STYLES = ["miter", "round", "bevel"]; const createObjectURL = function (data, contentType = "", forceDataSchema = false) { if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) { return URL.createObjectURL(new Blob([data], { type: contentType })); } const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; let buffer = `data:${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; } } 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() { if (this.current.element) { this.current.element.setAttributeNS(null, "fill-rule", "evenodd"); } this.fill(); } fillStroke() { this.stroke(); this.fill(); } eoFillStroke() { if (this.current.element) { 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 = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(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)} ${pf(-1 / height)})`); if (mask) { mask.append(imgEl); } else { this._ensureTransformGroup().append(imgEl); } } paintImageMaskXObject(imgData) { const current = this.current; const width = imgData.width; const height = imgData.height; const fillColor = current.fillColor; current.maskId = `mask${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; } }; } /***/ }), /* 32 */ /***/ ((__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__(33); ; 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:///${sourceUrl}`); } 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) { if (this._fullRequestReader) { 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; if (this.onProgress) { 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; if (this.onProgress) { 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 "${this._url}".`); this._storedError = error; this._headersCapability.reject(error); return; } this._headersCapability.resolve(); this._setReadableStream(response); const getResponseHeader = name => { return this._readableStream.headers[name.toLowerCase()]; }; const { allowRangeRequests, suggestedLength } = (0, _network_utils.validateRangeRequestCapabilities)({ getResponseHeader, isHttp: stream.isHttp, rangeChunkSize: this._rangeChunkSize, disableRange: this._disableRange }); this._isRangeSupported = allowRangeRequests; this._contentLength = suggestedLength || this._contentLength; this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); }; this._request = null; if (this._url.protocol === "http:") { this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); } else { this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); } this._request.on("error", reason => { this._storedError = reason; this._headersCapability.reject(reason); }); this._request.end(); } } class PDFNodeStreamRangeReader extends BaseRangeReader { constructor(stream, start, end) { super(stream); this._httpHeaders = {}; for (const property in stream.httpHeaders) { const value = stream.httpHeaders[property]; if (typeof value === "undefined") { continue; } this._httpHeaders[property] = value; } this._httpHeaders.Range = `bytes=${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 })); } } /***/ }), /* 33 */ /***/ ((__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__(34); var _display_utils = __w_pdfjs_require__(8); 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 "${url}".`, status); } function validateResponseStatus(status) { return status === 200 || status === 206; } /***/ }), /* 34 */ /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => { Object.defineProperty(exports, "__esModule", ({ value: true })); exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader; var _util = __w_pdfjs_require__(1); function getFilenameFromContentDispositionHeader(contentDisposition) { let needsEncodingFixup = true; let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition); if (tmp) { tmp = tmp[1]; let filename = rfc2616unquote(tmp); filename = unescape(filename); filename = rfc5987decode(filename); filename = rfc2047decode(filename); return fixupEncoding(filename); } tmp = rfc2231getparam(contentDisposition); if (tmp) { const filename = rfc2047decode(tmp); return fixupEncoding(filename); } tmp = toParamRegExp("filename", "i").exec(contentDisposition); if (tmp) { tmp = tmp[1]; let filename = rfc2616unquote(tmp); filename = rfc2047decode(filename); return fixupEncoding(filename); } function toParamRegExp(attributePattern, flags) { return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags); } function textdecode(encoding, value) { if (encoding) { if (!/^[\x00-\xFF]+$/.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 ""; } /***/ }), /* 35 */ /***/ ((__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__(33); ; 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 (typeof 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(); } } /***/ }), /* 36 */ /***/ ((__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__(33); ; 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 (typeof 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) { if (this._fullRequestReader) { 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; if (this.onProgress) { this.onProgress({ loaded: this._loaded, total: this._contentLength }); } const buffer = new Uint8Array(value).buffer; return { value: buffer, done: false }; } cancel(reason) { if (this._reader) { 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; if (this.onProgress) { this.onProgress({ loaded: this._loaded }); } const buffer = new Uint8Array(value).buffer; return { value: buffer, done: false }; } cancel(reason) { if (this._reader) { this._reader.cancel(reason); } this._abortController.abort(); } } /***/ }) /******/ ]); /************************************************************************/ /******/ // The module cache /******/ var __webpack_module_cache__ = {}; /******/ /******/ // The require function /******/ function __w_pdfjs_require__(moduleId) { /******/ // Check if module is in cache /******/ var cachedModule = __webpack_module_cache__[moduleId]; /******/ if (cachedModule !== undefined) { /******/ return cachedModule.exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = __webpack_module_cache__[moduleId] = { /******/ // no module.id needed /******/ // no module.loaded needed /******/ exports: {} /******/ }; /******/ /******/ // Execute the module function /******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__); /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /************************************************************************/ var __webpack_exports__ = {}; // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. (() => { var exports = __webpack_exports__; Object.defineProperty(exports, "__esModule", ({ value: true })); Object.defineProperty(exports, "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, "LoopbackPort", ({ enumerable: true, get: function () { return _api.LoopbackPort; } })); 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, "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, "shadow", ({ enumerable: true, get: function () { return _util.shadow; } })); Object.defineProperty(exports, "version", ({ enumerable: true, get: function () { return _api.version; } })); var _util = __w_pdfjs_require__(1); var _api = __w_pdfjs_require__(4); var _display_utils = __w_pdfjs_require__(8); var _annotation_editor_layer = __w_pdfjs_require__(22); var _tools = __w_pdfjs_require__(7); var _annotation_layer = __w_pdfjs_require__(27); var _worker_options = __w_pdfjs_require__(15); var _is_node = __w_pdfjs_require__(3); var _text_layer = __w_pdfjs_require__(30); var _svg = __w_pdfjs_require__(31); var _xfa_layer = __w_pdfjs_require__(29); const pdfjsVersion = '2.16.105'; const pdfjsBuild = '172ccdbe5'; { if (_is_node.isNodeJS) { const { PDFNodeStream } = __w_pdfjs_require__(32); (0, _api.setPDFNetworkStreamFactory)(params => { return new PDFNodeStream(params); }); } else { const { PDFNetworkStream } = __w_pdfjs_require__(35); const { PDFFetchStream } = __w_pdfjs_require__(36); (0, _api.setPDFNetworkStreamFactory)(params => { if ((0, _display_utils.isValidFetchUrl)(params.url)) { return new PDFFetchStream(params); } return new PDFNetworkStream(params); }); } } })(); /******/ return __webpack_exports__; /******/ })() ; }); //# sourceMappingURL=pdf.js.map