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web-assets/pdfjs/v3/build/pdf.js

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2023-12-30 22:34:25 +01:00
/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2023 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) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = 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.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.BASELINE_FACTOR = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
exports.assert = assert;
exports.bytesToString = bytesToString;
exports.createPromiseCapability = createPromiseCapability;
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
exports.getModificationDate = getModificationDate;
exports.getVerbosityLevel = getVerbosityLevel;
exports.info = info;
exports.isArrayBuffer = isArrayBuffer;
exports.isArrayEqual = isArrayEqual;
exports.objectFromMap = objectFromMap;
exports.objectSize = objectSize;
exports.setVerbosityLevel = setVerbosityLevel;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;
exports.stringToPDFString = stringToPDFString;
exports.stringToUTF8String = stringToUTF8String;
exports.unreachable = unreachable;
exports.utf8StringToString = utf8StringToString;
exports.warn = warn;
;
const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
const LINE_FACTOR = 1.35;
exports.LINE_FACTOR = LINE_FACTOR;
const LINE_DESCENT_FACTOR = 0.35;
exports.LINE_DESCENT_FACTOR = LINE_DESCENT_FACTOR;
const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
exports.BASELINE_FACTOR = BASELINE_FACTOR;
const RenderingIntentFlag = {
ANY: 0x01,
DISPLAY: 0x02,
PRINT: 0x04,
SAVE: 0x08,
ANNOTATIONS_FORMS: 0x10,
ANNOTATIONS_STORAGE: 0x20,
ANNOTATIONS_DISABLE: 0x40,
OPLIST: 0x100
};
exports.RenderingIntentFlag = RenderingIntentFlag;
const AnnotationMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_FORMS: 2,
ENABLE_STORAGE: 3
};
exports.AnnotationMode = AnnotationMode;
const AnnotationEditorPrefix = "pdfjs_internal_editor_";
exports.AnnotationEditorPrefix = AnnotationEditorPrefix;
const AnnotationEditorType = {
DISABLE: -1,
NONE: 0,
FREETEXT: 3,
INK: 15
};
exports.AnnotationEditorType = AnnotationEditorType;
const AnnotationEditorParamsType = {
FREETEXT_SIZE: 1,
FREETEXT_COLOR: 2,
FREETEXT_OPACITY: 3,
INK_COLOR: 11,
INK_THICKNESS: 12,
INK_OPACITY: 13
};
exports.AnnotationEditorParamsType = AnnotationEditorParamsType;
const PermissionFlag = {
PRINT: 0x04,
MODIFY_CONTENTS: 0x08,
COPY: 0x10,
MODIFY_ANNOTATIONS: 0x20,
FILL_INTERACTIVE_FORMS: 0x100,
COPY_FOR_ACCESSIBILITY: 0x200,
ASSEMBLE: 0x400,
PRINT_HIGH_QUALITY: 0x800
};
exports.PermissionFlag = PermissionFlag;
const TextRenderingMode = {
FILL: 0,
STROKE: 1,
FILL_STROKE: 2,
INVISIBLE: 3,
FILL_ADD_TO_PATH: 4,
STROKE_ADD_TO_PATH: 5,
FILL_STROKE_ADD_TO_PATH: 6,
ADD_TO_PATH: 7,
FILL_STROKE_MASK: 3,
ADD_TO_PATH_FLAG: 4
};
exports.TextRenderingMode = TextRenderingMode;
const ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
};
exports.ImageKind = ImageKind;
const AnnotationType = {
TEXT: 1,
LINK: 2,
FREETEXT: 3,
LINE: 4,
SQUARE: 5,
CIRCLE: 6,
POLYGON: 7,
POLYLINE: 8,
HIGHLIGHT: 9,
UNDERLINE: 10,
SQUIGGLY: 11,
STRIKEOUT: 12,
STAMP: 13,
CARET: 14,
INK: 15,
POPUP: 16,
FILEATTACHMENT: 17,
SOUND: 18,
MOVIE: 19,
WIDGET: 20,
SCREEN: 21,
PRINTERMARK: 22,
TRAPNET: 23,
WATERMARK: 24,
THREED: 25,
REDACT: 26
};
exports.AnnotationType = AnnotationType;
const AnnotationStateModelType = {
MARKED: "Marked",
REVIEW: "Review"
};
exports.AnnotationStateModelType = AnnotationStateModelType;
const AnnotationMarkedState = {
MARKED: "Marked",
UNMARKED: "Unmarked"
};
exports.AnnotationMarkedState = AnnotationMarkedState;
const AnnotationReviewState = {
ACCEPTED: "Accepted",
REJECTED: "Rejected",
CANCELLED: "Cancelled",
COMPLETED: "Completed",
NONE: "None"
};
exports.AnnotationReviewState = AnnotationReviewState;
const AnnotationReplyType = {
GROUP: "Group",
REPLY: "R"
};
exports.AnnotationReplyType = AnnotationReplyType;
const AnnotationFlag = {
INVISIBLE: 0x01,
HIDDEN: 0x02,
PRINT: 0x04,
NOZOOM: 0x08,
NOROTATE: 0x10,
NOVIEW: 0x20,
READONLY: 0x40,
LOCKED: 0x80,
TOGGLENOVIEW: 0x100,
LOCKEDCONTENTS: 0x200
};
exports.AnnotationFlag = AnnotationFlag;
const AnnotationFieldFlag = {
READONLY: 0x0000001,
REQUIRED: 0x0000002,
NOEXPORT: 0x0000004,
MULTILINE: 0x0001000,
PASSWORD: 0x0002000,
NOTOGGLETOOFF: 0x0004000,
RADIO: 0x0008000,
PUSHBUTTON: 0x0010000,
COMBO: 0x0020000,
EDIT: 0x0040000,
SORT: 0x0080000,
FILESELECT: 0x0100000,
MULTISELECT: 0x0200000,
DONOTSPELLCHECK: 0x0400000,
DONOTSCROLL: 0x0800000,
COMB: 0x1000000,
RICHTEXT: 0x2000000,
RADIOSINUNISON: 0x2000000,
COMMITONSELCHANGE: 0x4000000
};
exports.AnnotationFieldFlag = AnnotationFieldFlag;
const AnnotationBorderStyleType = {
SOLID: 1,
DASHED: 2,
BEVELED: 3,
INSET: 4,
UNDERLINE: 5
};
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
const AnnotationActionEventType = {
E: "Mouse Enter",
X: "Mouse Exit",
D: "Mouse Down",
U: "Mouse Up",
Fo: "Focus",
Bl: "Blur",
PO: "PageOpen",
PC: "PageClose",
PV: "PageVisible",
PI: "PageInvisible",
K: "Keystroke",
F: "Format",
V: "Validate",
C: "Calculate"
};
exports.AnnotationActionEventType = AnnotationActionEventType;
const DocumentActionEventType = {
WC: "WillClose",
WS: "WillSave",
DS: "DidSave",
WP: "WillPrint",
DP: "DidPrint"
};
exports.DocumentActionEventType = DocumentActionEventType;
const PageActionEventType = {
O: "PageOpen",
C: "PageClose"
};
exports.PageActionEventType = PageActionEventType;
const VerbosityLevel = {
ERRORS: 0,
WARNINGS: 1,
INFOS: 5
};
exports.VerbosityLevel = VerbosityLevel;
const CMapCompressionType = {
NONE: 0,
BINARY: 1
};
exports.CMapCompressionType = CMapCompressionType;
const OPS = {
dependency: 1,
setLineWidth: 2,
setLineCap: 3,
setLineJoin: 4,
setMiterLimit: 5,
setDash: 6,
setRenderingIntent: 7,
setFlatness: 8,
setGState: 9,
save: 10,
restore: 11,
transform: 12,
moveTo: 13,
lineTo: 14,
curveTo: 15,
curveTo2: 16,
curveTo3: 17,
closePath: 18,
rectangle: 19,
stroke: 20,
closeStroke: 21,
fill: 22,
eoFill: 23,
fillStroke: 24,
eoFillStroke: 25,
closeFillStroke: 26,
closeEOFillStroke: 27,
endPath: 28,
clip: 29,
eoClip: 30,
beginText: 31,
endText: 32,
setCharSpacing: 33,
setWordSpacing: 34,
setHScale: 35,
setLeading: 36,
setFont: 37,
setTextRenderingMode: 38,
setTextRise: 39,
moveText: 40,
setLeadingMoveText: 41,
setTextMatrix: 42,
nextLine: 43,
showText: 44,
showSpacedText: 45,
nextLineShowText: 46,
nextLineSetSpacingShowText: 47,
setCharWidth: 48,
setCharWidthAndBounds: 49,
setStrokeColorSpace: 50,
setFillColorSpace: 51,
setStrokeColor: 52,
setStrokeColorN: 53,
setFillColor: 54,
setFillColorN: 55,
setStrokeGray: 56,
setFillGray: 57,
setStrokeRGBColor: 58,
setFillRGBColor: 59,
setStrokeCMYKColor: 60,
setFillCMYKColor: 61,
shadingFill: 62,
beginInlineImage: 63,
beginImageData: 64,
endInlineImage: 65,
paintXObject: 66,
markPoint: 67,
markPointProps: 68,
beginMarkedContent: 69,
beginMarkedContentProps: 70,
endMarkedContent: 71,
beginCompat: 72,
endCompat: 73,
paintFormXObjectBegin: 74,
paintFormXObjectEnd: 75,
beginGroup: 76,
endGroup: 77,
beginAnnotation: 80,
endAnnotation: 81,
paintImageMaskXObject: 83,
paintImageMaskXObjectGroup: 84,
paintImageXObject: 85,
paintInlineImageXObject: 86,
paintInlineImageXObjectGroup: 87,
paintImageXObjectRepeat: 88,
paintImageMaskXObjectRepeat: 89,
paintSolidColorImageMask: 90,
constructPath: 91
};
exports.OPS = OPS;
const UNSUPPORTED_FEATURES = {
forms: "forms",
javaScript: "javaScript",
signatures: "signatures",
smask: "smask",
shadingPattern: "shadingPattern",
errorTilingPattern: "errorTilingPattern",
errorExtGState: "errorExtGState",
errorXObject: "errorXObject",
errorFontLoadType3: "errorFontLoadType3",
errorFontState: "errorFontState",
errorFontMissing: "errorFontMissing",
errorFontTranslate: "errorFontTranslate",
errorColorSpace: "errorColorSpace",
errorOperatorList: "errorOperatorList",
errorFontToUnicode: "errorFontToUnicode",
errorFontLoadNative: "errorFontLoadNative",
errorFontBuildPath: "errorFontBuildPath",
errorFontGetPath: "errorFontGetPath",
errorMarkedContent: "errorMarkedContent",
errorContentSubStream: "errorContentSubStream"
};
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
const PasswordResponses = {
NEED_PASSWORD: 1,
INCORRECT_PASSWORD: 2
};
exports.PasswordResponses = PasswordResponses;
let verbosity = VerbosityLevel.WARNINGS;
function setVerbosityLevel(level) {
if (Number.isInteger(level)) {
verbosity = level;
}
}
function getVerbosityLevel() {
return verbosity;
}
function info(msg) {
if (verbosity >= VerbosityLevel.INFOS) {
console.log(`Info: ${msg}`);
}
}
function warn(msg) {
if (verbosity >= VerbosityLevel.WARNINGS) {
console.log(`Warning: ${msg}`);
}
}
function unreachable(msg) {
throw new Error(msg);
}
function assert(cond, msg) {
if (!cond) {
unreachable(msg);
}
}
function _isValidProtocol(url) {
if (!url) {
return false;
}
switch (url.protocol) {
case "http:":
case "https:":
case "ftp:":
case "mailto:":
case "tel:":
return true;
default:
return false;
}
}
function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
if (!url) {
return null;
}
try {
if (options && typeof url === "string") {
if (options.addDefaultProtocol && url.startsWith("www.")) {
const dots = url.match(/\./g);
if (dots && dots.length >= 2) {
url = `http://${url}`;
}
}
if (options.tryConvertEncoding) {
try {
url = stringToUTF8String(url);
} catch (ex) {}
}
}
const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
if (_isValidProtocol(absoluteUrl)) {
return absoluteUrl;
}
} catch (ex) {}
return null;
}
function shadow(obj, prop, value, nonSerializable = false) {
Object.defineProperty(obj, prop, {
value,
enumerable: !nonSerializable,
configurable: true,
writable: false
});
return value;
}
const BaseException = function BaseExceptionClosure() {
function BaseException(message, name) {
if (this.constructor === BaseException) {
unreachable("Cannot initialize BaseException.");
}
this.message = message;
this.name = name;
}
BaseException.prototype = new Error();
BaseException.constructor = BaseException;
return BaseException;
}();
exports.BaseException = BaseException;
class PasswordException extends BaseException {
constructor(msg, code) {
super(msg, "PasswordException");
this.code = code;
}
}
exports.PasswordException = PasswordException;
class UnknownErrorException extends BaseException {
constructor(msg, details) {
super(msg, "UnknownErrorException");
this.details = details;
}
}
exports.UnknownErrorException = UnknownErrorException;
class InvalidPDFException extends BaseException {
constructor(msg) {
super(msg, "InvalidPDFException");
}
}
exports.InvalidPDFException = InvalidPDFException;
class MissingPDFException extends BaseException {
constructor(msg) {
super(msg, "MissingPDFException");
}
}
exports.MissingPDFException = MissingPDFException;
class UnexpectedResponseException extends BaseException {
constructor(msg, status) {
super(msg, "UnexpectedResponseException");
this.status = status;
}
}
exports.UnexpectedResponseException = UnexpectedResponseException;
class FormatError extends BaseException {
constructor(msg) {
super(msg, "FormatError");
}
}
exports.FormatError = FormatError;
class AbortException extends BaseException {
constructor(msg) {
super(msg, "AbortException");
}
}
exports.AbortException = AbortException;
function bytesToString(bytes) {
if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) {
unreachable("Invalid argument for bytesToString");
}
const length = bytes.length;
const MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
return String.fromCharCode.apply(null, bytes);
}
const strBuf = [];
for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
const chunk = bytes.subarray(i, chunkEnd);
strBuf.push(String.fromCharCode.apply(null, chunk));
}
return strBuf.join("");
}
function stringToBytes(str) {
if (typeof str !== "string") {
unreachable("Invalid argument for stringToBytes");
}
const length = str.length;
const bytes = new Uint8Array(length);
for (let i = 0; i < length; ++i) {
bytes[i] = str.charCodeAt(i) & 0xff;
}
return bytes;
}
function string32(value) {
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
function objectSize(obj) {
return Object.keys(obj).length;
}
function objectFromMap(map) {
const obj = Object.create(null);
for (const [key, value] of map) {
obj[key] = value;
}
return obj;
}
function isLittleEndian() {
const buffer8 = new Uint8Array(4);
buffer8[0] = 1;
const view32 = new Uint32Array(buffer8.buffer, 0, 1);
return view32[0] === 1;
}
function isEvalSupported() {
try {
new Function("");
return true;
} catch (e) {
return false;
}
}
class FeatureTest {
static get isLittleEndian() {
return shadow(this, "isLittleEndian", isLittleEndian());
}
static get isEvalSupported() {
return shadow(this, "isEvalSupported", isEvalSupported());
}
static get isOffscreenCanvasSupported() {
return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
}
static get platform() {
if (typeof navigator === "undefined") {
return shadow(this, "platform", {
isWin: false,
isMac: false
});
}
return shadow(this, "platform", {
isWin: navigator.platform.includes("Win"),
isMac: navigator.platform.includes("Mac")
});
}
}
exports.FeatureTest = FeatureTest;
const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
class Util {
static makeHexColor(r, g, b) {
return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
}
static scaleMinMax(transform, minMax) {
let temp;
if (transform[0]) {
if (transform[0] < 0) {
temp = minMax[0];
minMax[0] = minMax[1];
minMax[1] = temp;
}
minMax[0] *= transform[0];
minMax[1] *= transform[0];
if (transform[3] < 0) {
temp = minMax[2];
minMax[2] = minMax[3];
minMax[3] = temp;
}
minMax[2] *= transform[3];
minMax[3] *= transform[3];
} else {
temp = minMax[0];
minMax[0] = minMax[2];
minMax[2] = temp;
temp = minMax[1];
minMax[1] = minMax[3];
minMax[3] = temp;
if (transform[1] < 0) {
temp = minMax[2];
minMax[2] = minMax[3];
minMax[3] = temp;
}
minMax[2] *= transform[1];
minMax[3] *= transform[1];
if (transform[2] < 0) {
temp = minMax[0];
minMax[0] = minMax[1];
minMax[1] = temp;
}
minMax[0] *= transform[2];
minMax[1] *= transform[2];
}
minMax[0] += transform[4];
minMax[1] += transform[4];
minMax[2] += transform[5];
minMax[3] += transform[5];
}
static transform(m1, m2) {
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
}
static applyTransform(p, m) {
const xt = p[0] * m[0] + p[1] * m[2] + m[4];
const yt = p[0] * m[1] + p[1] * m[3] + m[5];
return [xt, yt];
}
static applyInverseTransform(p, m) {
const d = m[0] * m[3] - m[1] * m[2];
const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
return [xt, yt];
}
static getAxialAlignedBoundingBox(r, m) {
const p1 = Util.applyTransform(r, m);
const p2 = Util.applyTransform(r.slice(2, 4), m);
const p3 = Util.applyTransform([r[0], r[3]], m);
const p4 = Util.applyTransform([r[2], r[1]], m);
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
}
static inverseTransform(m) {
const d = m[0] * m[3] - m[1] * m[2];
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
}
static singularValueDecompose2dScale(m) {
const transpose = [m[0], m[2], m[1], m[3]];
const a = m[0] * transpose[0] + m[1] * transpose[2];
const b = m[0] * transpose[1] + m[1] * transpose[3];
const c = m[2] * transpose[0] + m[3] * transpose[2];
const d = m[2] * transpose[1] + m[3] * transpose[3];
const first = (a + d) / 2;
const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
const sx = first + second || 1;
const sy = first - second || 1;
return [Math.sqrt(sx), Math.sqrt(sy)];
}
static normalizeRect(rect) {
const r = rect.slice(0);
if (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
}
if (rect[1] > rect[3]) {
r[1] = rect[3];
r[3] = rect[1];
}
return r;
}
static intersect(rect1, rect2) {
const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
if (xLow > xHigh) {
return null;
}
const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
if (yLow > yHigh) {
return null;
}
return [xLow, yLow, xHigh, yHigh];
}
static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
const tvalues = [],
bounds = [[], []];
let a, b, c, t, t1, t2, b2ac, sqrtb2ac;
for (let i = 0; i < 2; ++i) {
if (i === 0) {
b = 6 * x0 - 12 * x1 + 6 * x2;
a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
c = 3 * x1 - 3 * x0;
} else {
b = 6 * y0 - 12 * y1 + 6 * y2;
a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
c = 3 * y1 - 3 * y0;
}
if (Math.abs(a) < 1e-12) {
if (Math.abs(b) < 1e-12) {
continue;
}
t = -c / b;
if (0 < t && t < 1) {
tvalues.push(t);
}
continue;
}
b2ac = b * b - 4 * c * a;
sqrtb2ac = Math.sqrt(b2ac);
if (b2ac < 0) {
continue;
}
t1 = (-b + sqrtb2ac) / (2 * a);
if (0 < t1 && t1 < 1) {
tvalues.push(t1);
}
t2 = (-b - sqrtb2ac) / (2 * a);
if (0 < t2 && t2 < 1) {
tvalues.push(t2);
}
}
let j = tvalues.length,
mt;
const jlen = j;
while (j--) {
t = tvalues[j];
mt = 1 - t;
bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
}
bounds[0][jlen] = x0;
bounds[1][jlen] = y0;
bounds[0][jlen + 1] = x3;
bounds[1][jlen + 1] = y3;
bounds[0].length = bounds[1].length = jlen + 2;
return [Math.min(...bounds[0]), Math.min(...bounds[1]), Math.max(...bounds[0]), Math.max(...bounds[1])];
}
}
exports.Util = Util;
const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
function stringToPDFString(str) {
if (str[0] >= "\xEF") {
let encoding;
if (str[0] === "\xFE" && str[1] === "\xFF") {
encoding = "utf-16be";
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
encoding = "utf-16le";
} else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
encoding = "utf-8";
}
if (encoding) {
try {
const decoder = new TextDecoder(encoding, {
fatal: true
});
const buffer = stringToBytes(str);
return decoder.decode(buffer);
} catch (ex) {
warn(`stringToPDFString: "${ex}".`);
}
}
}
const strBuf = [];
for (let i = 0, ii = str.length; i < ii; i++) {
const code = PDFStringTranslateTable[str.charCodeAt(i)];
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
}
return strBuf.join("");
}
function stringToUTF8String(str) {
return decodeURIComponent(escape(str));
}
function utf8StringToString(str) {
return unescape(encodeURIComponent(str));
}
function isArrayBuffer(v) {
return typeof v === "object" && v !== null && v.byteLength !== undefined;
}
function isArrayEqual(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
}
for (let i = 0, ii = arr1.length; i < ii; i++) {
if (arr1[i] !== arr2[i]) {
return false;
}
}
return true;
}
function getModificationDate(date = new Date()) {
const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
return buffer.join("");
}
function createPromiseCapability() {
const capability = Object.create(null);
let isSettled = false;
Object.defineProperty(capability, "settled", {
get() {
return isSettled;
}
});
capability.promise = new Promise(function (resolve, reject) {
capability.resolve = function (data) {
isSettled = true;
resolve(data);
};
capability.reject = function (reason) {
isSettled = true;
reject(reason);
};
});
return capability;
}
/***/ }),
/* 2 */
/***/ ((__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.version = void 0;
var _util = __w_pdfjs_require__(1);
var _annotation_storage = __w_pdfjs_require__(3);
var _display_utils = __w_pdfjs_require__(6);
var _font_loader = __w_pdfjs_require__(9);
var _canvas = __w_pdfjs_require__(11);
var _worker_options = __w_pdfjs_require__(14);
var _is_node = __w_pdfjs_require__(10);
var _message_handler = __w_pdfjs_require__(15);
var _metadata = __w_pdfjs_require__(16);
var _optional_content_config = __w_pdfjs_require__(17);
var _transport_stream = __w_pdfjs_require__(18);
var _xfa_text = __w_pdfjs_require__(19);
const DEFAULT_RANGE_CHUNK_SIZE = 65536;
const RENDERING_CANCELLED_TIMEOUT = 100;
let DefaultCanvasFactory = _display_utils.DOMCanvasFactory;
exports.DefaultCanvasFactory = DefaultCanvasFactory;
let DefaultCMapReaderFactory = _display_utils.DOMCMapReaderFactory;
exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory;
let DefaultStandardFontDataFactory = _display_utils.DOMStandardFontDataFactory;
exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory;
if (_is_node.isNodeJS) {
const {
NodeCanvasFactory,
NodeCMapReaderFactory,
NodeStandardFontDataFactory
} = __w_pdfjs_require__(20);
exports.DefaultCanvasFactory = DefaultCanvasFactory = NodeCanvasFactory;
exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory = NodeCMapReaderFactory;
exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory = NodeStandardFontDataFactory;
}
let createPDFNetworkStream;
{
if (_is_node.isNodeJS) {
const {
PDFNodeStream
} = __w_pdfjs_require__(21);
createPDFNetworkStream = params => {
return new PDFNodeStream(params);
};
} else {
const {
PDFNetworkStream
} = __w_pdfjs_require__(24);
const {
PDFFetchStream
} = __w_pdfjs_require__(25);
createPDFNetworkStream = params => {
return (0, _display_utils.isValidFetchUrl)(params.url) ? new PDFFetchStream(params) : new PDFNetworkStream(params);
};
}
}
function getDocument(src) {
if (typeof src === "string" || src instanceof URL) {
src = {
url: src
};
} else if ((0, _util.isArrayBuffer)(src)) {
src = {
data: src
};
} else if (src instanceof PDFDataRangeTransport) {
(0, _display_utils.deprecated)("`PDFDataRangeTransport`-instance, " + "please use a parameter object with `range`-property instead.");
src = {
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");
}
const task = new PDFDocumentLoadingTask();
const url = src.url ? getUrlProp(src.url) : null;
const data = src.data ? getDataProp(src.data) : null;
const httpHeaders = src.httpHeaders || null;
const withCredentials = src.withCredentials === true;
const password = src.password ?? null;
const rangeTransport = src.range instanceof PDFDataRangeTransport ? src.range : null;
const rangeChunkSize = Number.isInteger(src.rangeChunkSize) && src.rangeChunkSize > 0 ? src.rangeChunkSize : DEFAULT_RANGE_CHUNK_SIZE;
let worker = src.worker instanceof PDFWorker ? src.worker : null;
const verbosity = src.verbosity;
const docBaseUrl = typeof src.docBaseUrl === "string" && !(0, _display_utils.isDataScheme)(src.docBaseUrl) ? src.docBaseUrl : null;
const cMapUrl = typeof src.cMapUrl === "string" ? src.cMapUrl : null;
const cMapPacked = src.cMapPacked !== false;
const CMapReaderFactory = src.CMapReaderFactory || DefaultCMapReaderFactory;
const standardFontDataUrl = typeof src.standardFontDataUrl === "string" ? src.standardFontDataUrl : null;
const StandardFontDataFactory = src.StandardFontDataFactory || DefaultStandardFontDataFactory;
const ignoreErrors = src.stopAtErrors !== true;
const maxImageSize = Number.isInteger(src.maxImageSize) && src.maxImageSize > -1 ? src.maxImageSize : -1;
const isEvalSupported = src.isEvalSupported !== false;
const isOffscreenCanvasSupported = typeof src.isOffscreenCanvasSupported === "boolean" ? src.isOffscreenCanvasSupported : !_is_node.isNodeJS;
const disableFontFace = typeof src.disableFontFace === "boolean" ? src.disableFontFace : _is_node.isNodeJS;
const fontExtraProperties = src.fontExtraProperties === true;
const enableXfa = src.enableXfa === true;
const ownerDocument = src.ownerDocument || globalThis.document;
const disableRange = src.disableRange === true;
const disableStream = src.disableStream === true;
const disableAutoFetch = src.disableAutoFetch === true;
const pdfBug = src.pdfBug === true;
const length = rangeTransport ? rangeTransport.length : src.length ?? NaN;
const useSystemFonts = typeof src.useSystemFonts === "boolean" ? src.useSystemFonts : !_is_node.isNodeJS && !disableFontFace;
const useWorkerFetch = typeof src.useWorkerFetch === "boolean" ? src.useWorkerFetch : CMapReaderFactory === _display_utils.DOMCMapReaderFactory && StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory && (0, _display_utils.isValidFetchUrl)(cMapUrl, document.baseURI) && (0, _display_utils.isValidFetchUrl)(standardFontDataUrl, document.baseURI);
const styleElement = null;
(0, _util.setVerbosityLevel)(verbosity);
const transportFactory = useWorkerFetch ? null : {
cMapReaderFactory: new CMapReaderFactory({
baseUrl: cMapUrl,
isCompressed: cMapPacked
}),
standardFontDataFactory: new StandardFontDataFactory({
baseUrl: standardFontDataUrl
})
};
if (!worker) {
const workerParams = {
verbosity,
port: _worker_options.GlobalWorkerOptions.workerPort
};
worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
task._worker = worker;
}
const docId = task.docId;
const fetchDocParams = {
docId,
apiVersion: '3.4.120',
data,
password,
disableAutoFetch,
rangeChunkSize,
length,
docBaseUrl,
enableXfa,
evaluatorOptions: {
maxImageSize,
disableFontFace,
ignoreErrors,
isEvalSupported,
isOffscreenCanvasSupported,
fontExtraProperties,
useSystemFonts,
cMapUrl: useWorkerFetch ? cMapUrl : null,
standardFontDataUrl: useWorkerFetch ? standardFontDataUrl : null
}
};
const transportParams = {
ignoreErrors,
isEvalSupported,
disableFontFace,
fontExtraProperties,
enableXfa,
ownerDocument,
disableAutoFetch,
pdfBug,
styleElement
};
worker.promise.then(function () {
if (task.destroyed) {
throw new Error("Loading aborted");
}
const workerIdPromise = _fetchDocument(worker, fetchDocParams);
const networkStreamPromise = new Promise(function (resolve) {
let networkStream;
if (rangeTransport) {
networkStream = new _transport_stream.PDFDataTransportStream({
length,
initialData: rangeTransport.initialData,
progressiveDone: rangeTransport.progressiveDone,
contentDispositionFilename: rangeTransport.contentDispositionFilename,
disableRange,
disableStream
}, rangeTransport);
} else if (!data) {
networkStream = createPDFNetworkStream({
url,
length,
httpHeaders,
withCredentials,
rangeChunkSize,
disableRange,
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, transportParams, transportFactory);
task._transport = transport;
messageHandler.send("Ready", null);
});
}).catch(task._capability.reject);
return task;
}
async function _fetchDocument(worker, source) {
if (worker.destroyed) {
throw new Error("Worker was destroyed");
}
const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", source, source.data ? [source.data.buffer] : null);
if (worker.destroyed) {
throw new Error("Worker was destroyed");
}
return workerId;
}
function getUrlProp(val) {
if (val instanceof URL) {
return val.href;
}
try {
return new URL(val, window.location).href;
} catch (ex) {
if (_is_node.isNodeJS && typeof val === "string") {
return val;
}
}
throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
}
function getDataProp(val) {
if (_is_node.isNodeJS && typeof Buffer !== "undefined" && val instanceof Buffer) {
(0, _display_utils.deprecated)("Please provide binary data as `Uint8Array`, rather than `Buffer`.");
return new Uint8Array(val);
}
if (val instanceof Uint8Array && val.byteLength === val.buffer.byteLength) {
return val;
}
if (typeof val === "string") {
return (0, _util.stringToBytes)(val);
}
if (typeof val === "object" && !isNaN(val?.length) || (0, _util.isArrayBuffer)(val)) {
return new Uint8Array(val);
}
throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property.");
}
class PDFDocumentLoadingTask {
static #docId = 0;
#onUnsupportedFeature = null;
constructor() {
this._capability = (0, _util.createPromiseCapability)();
this._transport = null;
this._worker = null;
this.docId = `d${PDFDocumentLoadingTask.#docId++}`;
this.destroyed = false;
this.onPassword = null;
this.onProgress = null;
}
get onUnsupportedFeature() {
return this.#onUnsupportedFeature;
}
set onUnsupportedFeature(callback) {
(0, _display_utils.deprecated)("The PDFDocumentLoadingTask onUnsupportedFeature property will be removed in the future.");
this.#onUnsupportedFeature = callback;
}
get promise() {
return this._capability.promise;
}
async destroy() {
this.destroyed = true;
await this._transport?.destroy();
this._transport = null;
if (this._worker) {
this._worker.destroy();
this._worker = null;
}
}
}
exports.PDFDocumentLoadingTask = PDFDocumentLoadingTask;
class PDFDataRangeTransport {
constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
this.length = length;
this.initialData = initialData;
this.progressiveDone = progressiveDone;
this.contentDispositionFilename = contentDispositionFilename;
this._rangeListeners = [];
this._progressListeners = [];
this._progressiveReadListeners = [];
this._progressiveDoneListeners = [];
this._readyCapability = (0, _util.createPromiseCapability)();
}
addRangeListener(listener) {
this._rangeListeners.push(listener);
}
addProgressListener(listener) {
this._progressListeners.push(listener);
}
addProgressiveReadListener(listener) {
this._progressiveReadListeners.push(listener);
}
addProgressiveDoneListener(listener) {
this._progressiveDoneListeners.push(listener);
}
onDataRange(begin, chunk) {
for (const listener of this._rangeListeners) {
listener(begin, chunk);
}
}
onDataProgress(loaded, total) {
this._readyCapability.promise.then(() => {
for (const listener of this._progressListeners) {
listener(loaded, total);
}
});
}
onDataProgressiveRead(chunk) {
this._readyCapability.promise.then(() => {
for (const listener of this._progressiveReadListeners) {
listener(chunk);
}
});
}
onDataProgressiveDone() {
this._readyCapability.promise.then(() => {
for (const listener of this._progressiveDoneListeners) {
listener();
}
});
}
transportReady() {
this._readyCapability.resolve();
}
requestDataRange(begin, end) {
(0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
}
abort() {}
}
exports.PDFDataRangeTransport = PDFDataRangeTransport;
class PDFDocumentProxy {
constructor(pdfInfo, transport) {
this._pdfInfo = pdfInfo;
this._transport = transport;
}
get annotationStorage() {
return this._transport.annotationStorage;
}
get numPages() {
return this._pdfInfo.numPages;
}
get fingerprints() {
return this._pdfInfo.fingerprints;
}
get isPureXfa() {
return (0, _util.shadow)(this, "isPureXfa", !!this._transport._htmlForXfa);
}
get allXfaHtml() {
return this._transport._htmlForXfa;
}
getPage(pageNumber) {
return this._transport.getPage(pageNumber);
}
getPageIndex(ref) {
return this._transport.getPageIndex(ref);
}
getDestinations() {
return this._transport.getDestinations();
}
getDestination(id) {
return this._transport.getDestination(id);
}
getPageLabels() {
return this._transport.getPageLabels();
}
getPageLayout() {
return this._transport.getPageLayout();
}
getPageMode() {
return this._transport.getPageMode();
}
getViewerPreferences() {
return this._transport.getViewerPreferences();
}
getOpenAction() {
return this._transport.getOpenAction();
}
getAttachments() {
return this._transport.getAttachments();
}
getJavaScript() {
return this._transport.getJavaScript();
}
getJSActions() {
return this._transport.getDocJSActions();
}
getOutline() {
return this._transport.getOutline();
}
getOptionalContentConfig() {
return this._transport.getOptionalContentConfig();
}
getPermissions() {
return this._transport.getPermissions();
}
getMetadata() {
return this._transport.getMetadata();
}
getMarkInfo() {
return this._transport.getMarkInfo();
}
getData() {
return this._transport.getData();
}
saveDocument() {
return this._transport.saveDocument();
}
getDownloadInfo() {
return this._transport.downloadInfoCapability.promise;
}
cleanup(keepLoadedFonts = false) {
return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
}
destroy() {
return this.loadingTask.destroy();
}
get loadingParams() {
return this._transport.loadingParams;
}
get loadingTask() {
return this._transport.loadingTask;
}
getFieldObjects() {
return this._transport.getFieldObjects();
}
hasJSActions() {
return this._transport.hasJSActions();
}
getCalculationOrderIds() {
return this._transport.getCalculationOrderIds();
}
}
exports.PDFDocumentProxy = PDFDocumentProxy;
class PDFPageProxy {
constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
this._pageIndex = pageIndex;
this._pageInfo = pageInfo;
this._ownerDocument = ownerDocument;
this._transport = transport;
this._stats = pdfBug ? new _display_utils.StatTimer() : null;
this._pdfBug = pdfBug;
this.commonObjs = transport.commonObjs;
this.objs = new PDFObjects();
this.cleanupAfterRender = false;
this.pendingCleanup = false;
this._intentStates = new Map();
this.destroyed = false;
}
get pageNumber() {
return this._pageIndex + 1;
}
get rotate() {
return this._pageInfo.rotate;
}
get ref() {
return this._pageInfo.ref;
}
get userUnit() {
return this._pageInfo.userUnit;
}
get view() {
return this._pageInfo.view;
}
getViewport({
scale,
rotation = this.rotate,
offsetX = 0,
offsetY = 0,
dontFlip = false
} = {}) {
return new _display_utils.PageViewport({
viewBox: this.view,
scale,
rotation,
offsetX,
offsetY,
dontFlip
});
}
getAnnotations({
intent = "display"
} = {}) {
const intentArgs = this._transport.getRenderingIntent(intent);
return this._transport.getAnnotations(this._pageIndex, intentArgs.renderingIntent);
}
getJSActions() {
return this._transport.getPageJSActions(this._pageIndex);
}
get isPureXfa() {
return (0, _util.shadow)(this, "isPureXfa", !!this._transport._htmlForXfa);
}
async getXfa() {
return this._transport._htmlForXfa?.children[this._pageIndex] || null;
}
render({
canvasContext,
viewport,
intent = "display",
annotationMode = _util.AnnotationMode.ENABLE,
transform = null,
canvasFactory = null,
background = null,
optionalContentConfigPromise = null,
annotationCanvasMap = null,
pageColors = null,
printAnnotationStorage = null
}) {
this._stats?.time("Overall");
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage);
this.pendingCleanup = false;
if (!optionalContentConfigPromise) {
optionalContentConfigPromise = this._transport.getOptionalContentConfig();
}
let intentState = this._intentStates.get(intentArgs.cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(intentArgs.cacheKey, intentState);
}
if (intentState.streamReaderCancelTimeout) {
clearTimeout(intentState.streamReaderCancelTimeout);
intentState.streamReaderCancelTimeout = null;
}
const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
ownerDocument: this._ownerDocument
});
const intentPrint = !!(intentArgs.renderingIntent & _util.RenderingIntentFlag.PRINT);
if (!intentState.displayReadyCapability) {
intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false,
separateAnnots: null
};
this._stats?.time("Page Request");
this._pumpOperatorList(intentArgs);
}
const complete = error => {
intentState.renderTasks.delete(internalRenderTask);
if (this.cleanupAfterRender || intentPrint) {
this.pendingCleanup = true;
}
this._tryCleanup();
if (error) {
internalRenderTask.capability.reject(error);
this._abortOperatorList({
intentState,
reason: error instanceof Error ? error : new Error(error)
});
} else {
internalRenderTask.capability.resolve();
}
this._stats?.timeEnd("Rendering");
this._stats?.timeEnd("Overall");
};
const internalRenderTask = new InternalRenderTask({
callback: complete,
params: {
canvasContext,
viewport,
transform,
background
},
objs: this.objs,
commonObjs: this.commonObjs,
annotationCanvasMap,
operatorList: intentState.operatorList,
pageIndex: this._pageIndex,
canvasFactory: canvasFactoryInstance,
useRequestAnimationFrame: !intentPrint,
pdfBug: this._pdfBug,
pageColors
});
(intentState.renderTasks ||= new Set()).add(internalRenderTask);
const renderTask = internalRenderTask.task;
Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
if (this.pendingCleanup) {
complete();
return;
}
this._stats?.time("Rendering");
internalRenderTask.initializeGraphics({
transparency,
optionalContentConfig
});
internalRenderTask.operatorListChanged();
}).catch(complete);
return renderTask;
}
getOperatorList({
intent = "display",
annotationMode = _util.AnnotationMode.ENABLE,
printAnnotationStorage = null
} = {}) {
function operatorListChanged() {
if (intentState.operatorList.lastChunk) {
intentState.opListReadCapability.resolve(intentState.operatorList);
intentState.renderTasks.delete(opListTask);
}
}
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, true);
let intentState = this._intentStates.get(intentArgs.cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(intentArgs.cacheKey, intentState);
}
let opListTask;
if (!intentState.opListReadCapability) {
opListTask = Object.create(null);
opListTask.operatorListChanged = operatorListChanged;
intentState.opListReadCapability = (0, _util.createPromiseCapability)();
(intentState.renderTasks ||= new Set()).add(opListTask);
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false,
separateAnnots: null
};
this._stats?.time("Page Request");
this._pumpOperatorList(intentArgs);
}
return intentState.opListReadCapability.promise;
}
streamTextContent({
disableCombineTextItems = false,
includeMarkedContent = false
} = {}) {
const TEXT_CONTENT_CHUNK_SIZE = 100;
return this._transport.messageHandler.sendWithStream("GetTextContent", {
pageIndex: this._pageIndex,
combineTextItems: disableCombineTextItems !== true,
includeMarkedContent: includeMarkedContent === true
}, {
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
size(textContent) {
return textContent.items.length;
}
});
}
getTextContent(params = {}) {
if (this._transport._htmlForXfa) {
return this.getXfa().then(xfa => {
return _xfa_text.XfaText.textContent(xfa);
});
}
const readableStream = this.streamTextContent(params);
return new Promise(function (resolve, reject) {
function pump() {
reader.read().then(function ({
value,
done
}) {
if (done) {
resolve(textContent);
return;
}
Object.assign(textContent.styles, value.styles);
textContent.items.push(...value.items);
pump();
}, reject);
}
const reader = readableStream.getReader();
const textContent = {
items: [],
styles: Object.create(null)
};
pump();
});
}
getStructTree() {
return this._transport.getStructTree(this._pageIndex);
}
_destroy() {
this.destroyed = true;
const waitOn = [];
for (const intentState of this._intentStates.values()) {
this._abortOperatorList({
intentState,
reason: new Error("Page was destroyed."),
force: true
});
if (intentState.opListReadCapability) {
continue;
}
for (const internalRenderTask of intentState.renderTasks) {
waitOn.push(internalRenderTask.completed);
internalRenderTask.cancel();
}
}
this.objs.clear();
this.pendingCleanup = false;
return Promise.all(waitOn);
}
cleanup(resetStats = false) {
this.pendingCleanup = true;
return this._tryCleanup(resetStats);
}
_tryCleanup(resetStats = false) {
if (!this.pendingCleanup) {
return false;
}
for (const {
renderTasks,
operatorList
} of this._intentStates.values()) {
if (renderTasks.size > 0 || !operatorList.lastChunk) {
return false;
}
}
this._intentStates.clear();
this.objs.clear();
if (resetStats && this._stats) {
this._stats = new _display_utils.StatTimer();
}
this.pendingCleanup = false;
return true;
}
_startRenderPage(transparency, cacheKey) {
const intentState = this._intentStates.get(cacheKey);
if (!intentState) {
return;
}
this._stats?.timeEnd("Page Request");
intentState.displayReadyCapability?.resolve(transparency);
}
_renderPageChunk(operatorListChunk, intentState) {
for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
}
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;
for (const internalRenderTask of intentState.renderTasks) {
internalRenderTask.operatorListChanged();
}
if (operatorListChunk.lastChunk) {
this._tryCleanup();
}
}
_pumpOperatorList({
renderingIntent,
cacheKey,
annotationStorageMap
}) {
const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
pageIndex: this._pageIndex,
intent: renderingIntent,
cacheKey,
annotationStorage: annotationStorageMap
});
const reader = readableStream.getReader();
const intentState = this._intentStates.get(cacheKey);
intentState.streamReader = reader;
const pump = () => {
reader.read().then(({
value,
done
}) => {
if (done) {
intentState.streamReader = null;
return;
}
if (this._transport.destroyed) {
return;
}
this._renderPageChunk(value, intentState);
pump();
}, reason => {
intentState.streamReader = null;
if (this._transport.destroyed) {
return;
}
if (intentState.operatorList) {
intentState.operatorList.lastChunk = true;
for (const internalRenderTask of intentState.renderTasks) {
internalRenderTask.operatorListChanged();
}
this._tryCleanup();
}
if (intentState.displayReadyCapability) {
intentState.displayReadyCapability.reject(reason);
} else if (intentState.opListReadCapability) {
intentState.opListReadCapability.reject(reason);
} else {
throw reason;
}
});
};
pump();
}
_abortOperatorList({
intentState,
reason,
force = false
}) {
if (!intentState.streamReader) {
return;
}
if (intentState.streamReaderCancelTimeout) {
clearTimeout(intentState.streamReaderCancelTimeout);
intentState.streamReaderCancelTimeout = null;
}
if (!force) {
if (intentState.renderTasks.size > 0) {
return;
}
if (reason instanceof _display_utils.RenderingCancelledException) {
let delay = RENDERING_CANCELLED_TIMEOUT;
if (reason.extraDelay > 0 && reason.extraDelay < 1000) {
delay += reason.extraDelay;
}
intentState.streamReaderCancelTimeout = setTimeout(() => {
intentState.streamReaderCancelTimeout = null;
this._abortOperatorList({
intentState,
reason,
force: true
});
}, delay);
return;
}
}
intentState.streamReader.cancel(new _util.AbortException(reason.message)).catch(() => {});
intentState.streamReader = null;
if (this._transport.destroyed) {
return;
}
for (const [curCacheKey, curIntentState] of this._intentStates) {
if (curIntentState === intentState) {
this._intentStates.delete(curCacheKey);
break;
}
}
this.cleanup();
}
get stats() {
return this._stats;
}
}
exports.PDFPageProxy = PDFPageProxy;
class LoopbackPort {
#listeners = new Set();
#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.add(listener);
}
removeEventListener(name, listener) {
this.#listeners.delete(listener);
}
terminate() {
this.#listeners.clear();
}
}
exports.LoopbackPort = LoopbackPort;
const PDFWorkerUtil = {
isWorkerDisabled: false,
fallbackWorkerSrc: null,
fakeWorkerId: 0
};
exports.PDFWorkerUtil = PDFWorkerUtil;
{
if (_is_node.isNodeJS && typeof require === "function") {
PDFWorkerUtil.isWorkerDisabled = true;
PDFWorkerUtil.fallbackWorkerSrc = "./pdf.worker.js";
} else if (typeof document === "object") {
const pdfjsFilePath = document?.currentScript?.src;
if (pdfjsFilePath) {
PDFWorkerUtil.fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
}
}
PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {
let base;
try {
base = new URL(baseUrl);
if (!base.origin || base.origin === "null") {
return false;
}
} catch (e) {
return false;
}
const other = new URL(otherUrl, base);
return base.origin === other.origin;
};
PDFWorkerUtil.createCDNWrapper = function (url) {
const wrapper = `importScripts("${url}");`;
return URL.createObjectURL(new Blob([wrapper]));
};
}
class PDFWorker {
static #workerPorts = new WeakMap();
constructor({
name = null,
port = null,
verbosity = (0, _util.getVerbosityLevel)()
} = {}) {
if (port && PDFWorker.#workerPorts.has(port)) {
throw new Error("Cannot use more than one PDFWorker per port.");
}
this.name = name;
this.destroyed = false;
this.verbosity = verbosity;
this._readyCapability = (0, _util.createPromiseCapability)();
this._port = null;
this._webWorker = null;
this._messageHandler = null;
if (port) {
PDFWorker.#workerPorts.set(port, this);
this._initializeFromPort(port);
return;
}
this._initialize();
}
get promise() {
return this._readyCapability.promise;
}
get port() {
return this._port;
}
get messageHandler() {
return this._messageHandler;
}
_initializeFromPort(port) {
this._port = port;
this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
this._messageHandler.on("ready", function () {});
this._readyCapability.resolve();
this._messageHandler.send("configure", {
verbosity: this.verbosity
});
}
_initialize() {
if (!PDFWorkerUtil.isWorkerDisabled && !PDFWorker._mainThreadWorkerMessageHandler) {
let {
workerSrc
} = PDFWorker;
try {
if (!PDFWorkerUtil.isSameOrigin(window.location.href, workerSrc)) {
workerSrc = PDFWorkerUtil.createCDNWrapper(new URL(workerSrc, window.location).href);
}
const worker = new Worker(workerSrc);
const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
const terminateEarly = () => {
worker.removeEventListener("error", onWorkerError);
messageHandler.destroy();
worker.terminate();
if (this.destroyed) {
this._readyCapability.reject(new Error("Worker was destroyed"));
} else {
this._setupFakeWorker();
}
};
const onWorkerError = () => {
if (!this._webWorker) {
terminateEarly();
}
};
worker.addEventListener("error", onWorkerError);
messageHandler.on("test", data => {
worker.removeEventListener("error", onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
if (data) {
this._messageHandler = messageHandler;
this._port = worker;
this._webWorker = worker;
this._readyCapability.resolve();
messageHandler.send("configure", {
verbosity: this.verbosity
});
} else {
this._setupFakeWorker();
messageHandler.destroy();
worker.terminate();
}
});
messageHandler.on("ready", data => {
worker.removeEventListener("error", onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
try {
sendTest();
} catch (e) {
this._setupFakeWorker();
}
});
const sendTest = () => {
const testObj = new Uint8Array();
messageHandler.send("test", testObj, [testObj.buffer]);
};
sendTest();
return;
} catch (e) {
(0, _util.info)("The worker has been disabled.");
}
}
this._setupFakeWorker();
}
_setupFakeWorker() {
if (!PDFWorkerUtil.isWorkerDisabled) {
(0, _util.warn)("Setting up fake worker.");
PDFWorkerUtil.isWorkerDisabled = true;
}
PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
if (this.destroyed) {
this._readyCapability.reject(new Error("Worker was destroyed"));
return;
}
const port = new LoopbackPort();
this._port = port;
const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;
const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
WorkerMessageHandler.setup(workerHandler, port);
const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
this._messageHandler = messageHandler;
this._readyCapability.resolve();
messageHandler.send("configure", {
verbosity: this.verbosity
});
}).catch(reason => {
this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
});
}
destroy() {
this.destroyed = true;
if (this._webWorker) {
this._webWorker.terminate();
this._webWorker = null;
}
PDFWorker.#workerPorts.delete(this._port);
this._port = null;
if (this._messageHandler) {
this._messageHandler.destroy();
this._messageHandler = null;
}
}
static fromPort(params) {
if (!params?.port) {
throw new Error("PDFWorker.fromPort - invalid method signature.");
}
if (this.#workerPorts.has(params.port)) {
return this.#workerPorts.get(params.port);
}
return new PDFWorker(params);
}
static get workerSrc() {
if (_worker_options.GlobalWorkerOptions.workerSrc) {
return _worker_options.GlobalWorkerOptions.workerSrc;
}
if (PDFWorkerUtil.fallbackWorkerSrc !== null) {
if (!_is_node.isNodeJS) {
(0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
}
return PDFWorkerUtil.fallbackWorkerSrc;
}
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
}
static get _mainThreadWorkerMessageHandler() {
try {
return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
} catch (ex) {
return null;
}
}
static get _setupFakeWorkerGlobal() {
const loader = async () => {
const mainWorkerMessageHandler = this._mainThreadWorkerMessageHandler;
if (mainWorkerMessageHandler) {
return mainWorkerMessageHandler;
}
if (_is_node.isNodeJS && typeof require === "function") {
const worker = eval("require")(this.workerSrc);
return worker.WorkerMessageHandler;
}
await (0, _display_utils.loadScript)(this.workerSrc);
return window.pdfjsWorker.WorkerMessageHandler;
};
return (0, _util.shadow)(this, "_setupFakeWorkerGlobal", loader());
}
}
exports.PDFWorker = PDFWorker;
class WorkerTransport {
#methodPromises = new Map();
#pageCache = new Map();
#pagePromises = new Map();
constructor(messageHandler, loadingTask, networkStream, params, factory) {
this.messageHandler = messageHandler;
this.loadingTask = loadingTask;
this.commonObjs = new PDFObjects();
this.fontLoader = new _font_loader.FontLoader({
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
ownerDocument: params.ownerDocument,
styleElement: params.styleElement
});
this._params = params;
this.cMapReaderFactory = factory?.cMapReaderFactory;
this.standardFontDataFactory = factory?.standardFontDataFactory;
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();
}
#cacheSimpleMethod(name, data = null) {
const cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise(name, data);
this.#methodPromises.set(name, promise);
return promise;
}
get annotationStorage() {
return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
}
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.#methodPromises.clear();
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)(value instanceof ArrayBuffer, "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)(value instanceof ArrayBuffer, "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 {
width,
height
} = imageData;
length = width * height * 4;
} 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("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
messageHandler.on("FetchBuiltInCMap", data => {
if (this.destroyed) {
return Promise.reject(new Error("Worker was destroyed."));
}
if (!this.cMapReaderFactory) {
return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter."));
}
return this.cMapReaderFactory.fetch(data);
});
messageHandler.on("FetchStandardFontData", data => {
if (this.destroyed) {
return Promise.reject(new Error("Worker was destroyed."));
}
if (!this.standardFontDataFactory) {
return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter."));
}
return this.standardFontDataFactory.fetch(data);
});
}
_onUnsupportedFeature({
featureId
}) {
if (this.destroyed) {
return;
}
this.loadingTask.onUnsupportedFeature?.(featureId);
}
getData() {
return this.messageHandler.sendWithPromise("GetData", null);
}
saveDocument() {
if (this.annotationStorage.size <= 0) {
(0, _util.warn)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
}
return this.messageHandler.sendWithPromise("SaveDocument", {
isPureXfa: !!this._htmlForXfa,
numPages: this._numPages,
annotationStorage: this.annotationStorage.serializable,
filename: this._fullReader?.filename ?? null
}).finally(() => {
this.annotationStorage.resetModified();
});
}
getPage(pageNumber) {
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
return Promise.reject(new Error("Invalid page request."));
}
const pageIndex = pageNumber - 1,
cachedPromise = this.#pagePromises.get(pageIndex);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise("GetPage", {
pageIndex
}).then(pageInfo => {
if (this.destroyed) {
throw new Error("Transport destroyed");
}
const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
this.#pageCache.set(pageIndex, page);
return page;
});
this.#pagePromises.set(pageIndex, promise);
return promise;
}
getPageIndex(ref) {
if (typeof ref !== "object" || ref === null || !Number.isInteger(ref.num) || ref.num < 0 || !Number.isInteger(ref.gen) || ref.gen < 0) {
return Promise.reject(new Error("Invalid pageIndex request."));
}
return this.messageHandler.sendWithPromise("GetPageIndex", {
num: ref.num,
gen: ref.gen
});
}
getAnnotations(pageIndex, intent) {
return this.messageHandler.sendWithPromise("GetAnnotations", {
pageIndex,
intent
});
}
getFieldObjects() {
return this.#cacheSimpleMethod("GetFieldObjects");
}
hasJSActions() {
return this.#cacheSimpleMethod("HasJSActions");
}
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() {
const name = "GetMetadata",
cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise(name, 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
};
});
this.#methodPromises.set(name, promise);
return promise;
}
getMarkInfo() {
return this.messageHandler.sendWithPromise("GetMarkInfo", null);
}
async startCleanup(keepLoadedFonts = false) {
if (this.destroyed) {
return;
}
await this.messageHandler.sendWithPromise("Cleanup", null);
for (const page of this.#pageCache.values()) {
const cleanupSuccessful = page.cleanup();
if (!cleanupSuccessful) {
throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
}
}
this.commonObjs.clear();
if (!keepLoadedFonts) {
this.fontLoader.clear();
}
this.#methodPromises.clear();
}
get loadingParams() {
const {
disableAutoFetch,
enableXfa
} = this._params;
return (0, _util.shadow)(this, "loadingParams", {
disableAutoFetch,
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() {
for (const objId in this.#objs) {
const {
data
} = this.#objs[objId];
data?.bitmap?.close();
}
this.#objs = Object.create(null);
}
}
class RenderTask {
#internalRenderTask = null;
constructor(internalRenderTask) {
this.#internalRenderTask = internalRenderTask;
this.onContinue = null;
}
get promise() {
return this.#internalRenderTask.capability.promise;
}
cancel(extraDelay = 0) {
this.#internalRenderTask.cancel(null, extraDelay);
}
get separateAnnots() {
const {
separateAnnots
} = this.#internalRenderTask.operatorList;
if (!separateAnnots) {
return false;
}
const {
annotationCanvasMap
} = this.#internalRenderTask;
return separateAnnots.form || separateAnnots.canvas && annotationCanvasMap?.size > 0;
}
}
exports.RenderTask = RenderTask;
class InternalRenderTask {
static #canvasInUse = new WeakSet();
constructor({
callback,
params,
objs,
commonObjs,
annotationCanvasMap,
operatorList,
pageIndex,
canvasFactory,
useRequestAnimationFrame = false,
pdfBug = false,
pageColors = null
}) {
this.callback = callback;
this.params = params;
this.objs = objs;
this.commonObjs = commonObjs;
this.annotationCanvasMap = annotationCanvasMap;
this.operatorListIdx = null;
this.operatorList = operatorList;
this._pageIndex = pageIndex;
this.canvasFactory = canvasFactory;
this._pdfBug = pdfBug;
this.pageColors = pageColors;
this.running = false;
this.graphicsReadyCallback = null;
this.graphicsReady = false;
this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
this.cancelled = false;
this.capability = (0, _util.createPromiseCapability)();
this.task = new RenderTask(this);
this._cancelBound = this.cancel.bind(this);
this._continueBound = this._continue.bind(this);
this._scheduleNextBound = this._scheduleNext.bind(this);
this._nextBound = this._next.bind(this);
this._canvas = params.canvasContext.canvas;
}
get completed() {
return this.capability.promise.catch(function () {});
}
initializeGraphics({
transparency = false,
optionalContentConfig
}) {
if (this.cancelled) {
return;
}
if (this._canvas) {
if (InternalRenderTask.#canvasInUse.has(this._canvas)) {
throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
}
InternalRenderTask.#canvasInUse.add(this._canvas);
}
if (this._pdfBug && globalThis.StepperManager?.enabled) {
this.stepper = globalThis.StepperManager.create(this._pageIndex);
this.stepper.init(this.operatorList);
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
}
const {
canvasContext,
viewport,
transform,
background
} = this.params;
this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, {
optionalContentConfig
}, this.annotationCanvasMap, this.pageColors);
this.gfx.beginDrawing({
transform,
viewport,
transparency,
background
});
this.operatorListIdx = 0;
this.graphicsReady = true;
this.graphicsReadyCallback?.();
}
cancel(error = null, extraDelay = 0) {
this.running = false;
this.cancelled = true;
this.gfx?.endDrawing();
if (this._canvas) {
InternalRenderTask.#canvasInUse.delete(this._canvas);
}
this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas", extraDelay));
}
operatorListChanged() {
if (!this.graphicsReady) {
if (!this.graphicsReadyCallback) {
this.graphicsReadyCallback = this._continueBound;
}
return;
}
this.stepper?.updateOperatorList(this.operatorList);
if (this.running) {
return;
}
this._continue();
}
_continue() {
this.running = true;
if (this.cancelled) {
return;
}
if (this.task.onContinue) {
this.task.onContinue(this._scheduleNextBound);
} else {
this._scheduleNext();
}
}
_scheduleNext() {
if (this._useRequestAnimationFrame) {
window.requestAnimationFrame(() => {
this._nextBound().catch(this._cancelBound);
});
} else {
Promise.resolve().then(this._nextBound).catch(this._cancelBound);
}
}
async _next() {
if (this.cancelled) {
return;
}
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
if (this.operatorListIdx === this.operatorList.argsArray.length) {
this.running = false;
if (this.operatorList.lastChunk) {
this.gfx.endDrawing();
if (this._canvas) {
InternalRenderTask.#canvasInUse.delete(this._canvas);
}
this.callback();
}
}
}
}
const version = '3.4.120';
exports.version = version;
const build = 'af6414988';
exports.build = build;
/***/ }),
/* 3 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PrintAnnotationStorage = exports.AnnotationStorage = void 0;
var _util = __w_pdfjs_require__(1);
var _editor = __w_pdfjs_require__(4);
var _murmurhash = __w_pdfjs_require__(8);
class AnnotationStorage {
#modified = false;
#storage = new Map();
constructor() {
this.onSetModified = null;
this.onResetModified = null;
this.onAnnotationEditor = null;
}
getValue(key, defaultValue) {
const value = this.#storage.get(key);
if (value === undefined) {
return defaultValue;
}
return Object.assign(defaultValue, value);
}
getRawValue(key) {
return this.#storage.get(key);
}
remove(key) {
this.#storage.delete(key);
if (this.#storage.size === 0) {
this.resetModified();
}
if (typeof this.onAnnotationEditor === "function") {
for (const value of this.#storage.values()) {
if (value instanceof _editor.AnnotationEditor) {
return;
}
}
this.onAnnotationEditor(null);
}
}
setValue(key, value) {
const obj = this.#storage.get(key);
let modified = false;
if (obj !== undefined) {
for (const [entry, val] of Object.entries(value)) {
if (obj[entry] !== val) {
modified = true;
obj[entry] = val;
}
}
} else {
modified = true;
this.#storage.set(key, value);
}
if (modified) {
this.#setModified();
}
if (value instanceof _editor.AnnotationEditor && typeof this.onAnnotationEditor === "function") {
this.onAnnotationEditor(value.constructor._type);
}
}
has(key) {
return this.#storage.has(key);
}
getAll() {
return this.#storage.size > 0 ? (0, _util.objectFromMap)(this.#storage) : null;
}
setAll(obj) {
for (const [key, val] of Object.entries(obj)) {
this.setValue(key, val);
}
}
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;
/***/ }),
/* 4 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.AnnotationEditor = void 0;
var _tools = __w_pdfjs_require__(5);
var _util = __w_pdfjs_require__(1);
class AnnotationEditor {
#boundFocusin = this.focusin.bind(this);
#boundFocusout = this.focusout.bind(this);
#hasBeenSelected = false;
#isEditing = false;
#isInEditMode = false;
_uiManager = null;
#zIndex = AnnotationEditor._zIndex++;
static _colorManager = new _tools.ColorManager();
static _zIndex = 1;
constructor(parameters) {
if (this.constructor === AnnotationEditor) {
(0, _util.unreachable)("Cannot initialize AnnotationEditor.");
}
this.parent = parameters.parent;
this.id = parameters.id;
this.width = this.height = null;
this.pageIndex = parameters.parent.pageIndex;
this.name = parameters.name;
this.div = null;
this._uiManager = parameters.uiManager;
const {
rotation,
rawDims: {
pageWidth,
pageHeight,
pageX,
pageY
}
} = this.parent.viewport;
this.rotation = rotation;
this.pageDimensions = [pageWidth, pageHeight];
this.pageTranslation = [pageX, pageY];
const [width, height] = this.parentDimensions;
this.x = parameters.x / width;
this.y = parameters.y / height;
this.isAttachedToDOM = false;
}
static get _defaultLineColor() {
return (0, _util.shadow)(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText"));
}
addCommands(params) {
this._uiManager.addCommands(params);
}
get currentLayer() {
return this._uiManager.currentLayer;
}
setInBackground() {
this.div.style.zIndex = 0;
}
setInForeground() {
this.div.style.zIndex = this.#zIndex;
}
setParent(parent) {
if (parent !== null) {
this.pageIndex = parent.pageIndex;
this.pageDimensions = parent.pageDimensions;
}
this.parent = parent;
}
focusin(event) {
if (!this.#hasBeenSelected) {
this.parent.setSelected(this);
} else {
this.#hasBeenSelected = false;
}
}
focusout(event) {
if (!this.isAttachedToDOM) {
return;
}
const target = event.relatedTarget;
if (target?.closest(`#${this.id}`)) {
return;
}
event.preventDefault();
if (!this.parent?.isMultipleSelection) {
this.commitOrRemove();
}
}
commitOrRemove() {
if (this.isEmpty()) {
this.remove();
} else {
this.commit();
}
}
commit() {
this.addToAnnotationStorage();
}
addToAnnotationStorage() {
this._uiManager.addToAnnotationStorage(this);
}
dragstart(event) {
const rect = this.parent.div.getBoundingClientRect();
this.startX = event.clientX - rect.x;
this.startY = event.clientY - rect.y;
event.dataTransfer.setData("text/plain", this.id);
event.dataTransfer.effectAllowed = "move";
}
setAt(x, y, tx, ty) {
const [width, height] = this.parentDimensions;
[tx, ty] = this.screenToPageTranslation(tx, ty);
this.x = (x + tx) / width;
this.y = (y + ty) / height;
this.div.style.left = `${100 * this.x}%`;
this.div.style.top = `${100 * this.y}%`;
}
translate(x, y) {
const [width, height] = this.parentDimensions;
[x, y] = this.screenToPageTranslation(x, y);
this.x += x / width;
this.y += y / height;
this.div.style.left = `${100 * this.x}%`;
this.div.style.top = `${100 * this.y}%`;
}
screenToPageTranslation(x, y) {
switch (this.parentRotation) {
case 90:
return [y, -x];
case 180:
return [-x, -y];
case 270:
return [-y, x];
default:
return [x, y];
}
}
get parentScale() {
return this._uiManager.viewParameters.realScale;
}
get parentRotation() {
return this._uiManager.viewParameters.rotation;
}
get parentDimensions() {
const {
realScale
} = this._uiManager.viewParameters;
const [pageWidth, pageHeight] = this.pageDimensions;
return [pageWidth * realScale, pageHeight * realScale];
}
setDims(width, height) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.div.style.width = `${100 * width / parentWidth}%`;
this.div.style.height = `${100 * height / parentHeight}%`;
}
fixDims() {
const {
style
} = this.div;
const {
height,
width
} = style;
const widthPercent = width.endsWith("%");
const heightPercent = height.endsWith("%");
if (widthPercent && heightPercent) {
return;
}
const [parentWidth, parentHeight] = this.parentDimensions;
if (!widthPercent) {
style.width = `${100 * parseFloat(width) / parentWidth}%`;
}
if (!heightPercent) {
style.height = `${100 * parseFloat(height) / parentHeight}%`;
}
}
getInitialTranslation() {
return [0, 0];
}
render() {
this.div = document.createElement("div");
this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360);
this.div.className = this.name;
this.div.setAttribute("id", this.id);
this.div.setAttribute("tabIndex", 0);
this.setInForeground();
this.div.addEventListener("focusin", this.#boundFocusin);
this.div.addEventListener("focusout", this.#boundFocusout);
const [tx, ty] = this.getInitialTranslation();
this.translate(tx, ty);
(0, _tools.bindEvents)(this, this.div, ["dragstart", "pointerdown"]);
return this.div;
}
pointerdown(event) {
const {
isMac
} = _util.FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
event.preventDefault();
return;
}
if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) {
this.parent.toggleSelected(this);
} else {
this.parent.setSelected(this);
}
this.#hasBeenSelected = true;
}
getRect(tx, ty) {
const scale = this.parentScale;
const [pageWidth, pageHeight] = this.pageDimensions;
const [pageX, pageY] = this.pageTranslation;
const shiftX = tx / scale;
const shiftY = ty / scale;
const x = this.x * pageWidth;
const y = this.y * pageHeight;
const width = this.width * pageWidth;
const height = this.height * pageHeight;
switch (this.rotation) {
case 0:
return [x + shiftX + pageX, pageHeight - y - shiftY - height + pageY, x + shiftX + width + pageX, pageHeight - y - shiftY + pageY];
case 90:
return [x + shiftY + pageX, pageHeight - y + shiftX + pageY, x + shiftY + height + pageX, pageHeight - y + shiftX + width + pageY];
case 180:
return [x - shiftX - width + pageX, pageHeight - y + shiftY + pageY, x - shiftX + pageX, pageHeight - y + shiftY + height + pageY];
case 270:
return [x - shiftY - height + pageX, pageHeight - y - shiftX - width + pageY, x - shiftY + pageX, pageHeight - y - shiftX + pageY];
default:
throw new Error("Invalid rotation");
}
}
getRectInCurrentCoords(rect, pageHeight) {
const [x1, y1, x2, y2] = rect;
const width = x2 - x1;
const height = y2 - y1;
switch (this.rotation) {
case 0:
return [x1, pageHeight - y2, width, height];
case 90:
return [x1, pageHeight - y1, height, width];
case 180:
return [x2, pageHeight - y1, width, height];
case 270:
return [x2, pageHeight - y2, height, width];
default:
throw new Error("Invalid rotation");
}
}
onceAdded() {}
isEmpty() {
return false;
}
enableEditMode() {
this.#isInEditMode = true;
}
disableEditMode() {
this.#isInEditMode = false;
}
isInEditMode() {
return this.#isInEditMode;
}
shouldGetKeyboardEvents() {
return false;
}
needsToBeRebuilt() {
return this.div && !this.isAttachedToDOM;
}
rebuild() {
this.div?.addEventListener("focusin", this.#boundFocusin);
}
serialize() {
(0, _util.unreachable)("An editor must be serializable");
}
static deserialize(data, parent, uiManager) {
const editor = new this.prototype.constructor({
parent,
id: parent.getNextId(),
uiManager
});
editor.rotation = data.rotation;
const [pageWidth, pageHeight] = editor.pageDimensions;
const [x, y, width, height] = editor.getRectInCurrentCoords(data.rect, pageHeight);
editor.x = x / pageWidth;
editor.y = y / pageHeight;
editor.width = width / pageWidth;
editor.height = height / pageHeight;
return editor;
}
remove() {
this.div.removeEventListener("focusin", this.#boundFocusin);
this.div.removeEventListener("focusout", this.#boundFocusout);
if (!this.isEmpty()) {
this.commit();
}
this.parent.remove(this);
}
select() {
this.div?.classList.add("selectedEditor");
}
unselect() {
this.div?.classList.remove("selectedEditor");
}
updateParams(type, value) {}
disableEditing() {}
enableEditing() {}
get propertiesToUpdate() {
return {};
}
get contentDiv() {
return this.div;
}
get isEditing() {
return this.#isEditing;
}
set isEditing(value) {
this.#isEditing = value;
if (value) {
this.parent.setSelected(this);
this.parent.setActiveEditor(this);
} else {
this.parent.setActiveEditor(null);
}
}
}
exports.AnnotationEditor = AnnotationEditor;
/***/ }),
/* 5 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.KeyboardManager = exports.CommandManager = exports.ColorManager = exports.AnnotationEditorUIManager = void 0;
exports.bindEvents = bindEvents;
exports.opacityToHex = opacityToHex;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
function bindEvents(obj, element, names) {
for (const name of names) {
element.addEventListener(name, obj[name].bind(obj));
}
}
function opacityToHex(opacity) {
return Math.round(Math.min(255, Math.max(1, 255 * opacity))).toString(16).padStart(2, "0");
}
class IdManager {
#id = 0;
getId() {
return `${_util.AnnotationEditorPrefix}${this.#id++}`;
}
}
class CommandManager {
#commands = [];
#locked = false;
#maxSize;
#position = -1;
constructor(maxSize = 128) {
this.#maxSize = maxSize;
}
add({
cmd,
undo,
mustExec,
type = NaN,
overwriteIfSameType = false,
keepUndo = false
}) {
if (mustExec) {
cmd();
}
if (this.#locked) {
return;
}
const save = {
cmd,
undo,
type
};
if (this.#position === -1) {
if (this.#commands.length > 0) {
this.#commands.length = 0;
}
this.#position = 0;
this.#commands.push(save);
return;
}
if (overwriteIfSameType && this.#commands[this.#position].type === type) {
if (keepUndo) {
save.undo = this.#commands[this.#position].undo;
}
this.#commands[this.#position] = save;
return;
}
const next = this.#position + 1;
if (next === this.#maxSize) {
this.#commands.splice(0, 1);
} else {
this.#position = next;
if (next < this.#commands.length) {
this.#commands.splice(next);
}
}
this.#commands.push(save);
}
undo() {
if (this.#position === -1) {
return;
}
this.#locked = true;
this.#commands[this.#position].undo();
this.#locked = false;
this.#position -= 1;
}
redo() {
if (this.#position < this.#commands.length - 1) {
this.#position += 1;
this.#locked = true;
this.#commands[this.#position].cmd();
this.#locked = false;
}
}
hasSomethingToUndo() {
return this.#position !== -1;
}
hasSomethingToRedo() {
return this.#position < this.#commands.length - 1;
}
destroy() {
this.#commands = null;
}
}
exports.CommandManager = CommandManager;
class KeyboardManager {
constructor(callbacks) {
this.buffer = [];
this.callbacks = new Map();
this.allKeys = new Set();
const {
isMac
} = _util.FeatureTest.platform;
for (const [keys, callback] of callbacks) {
for (const key of keys) {
const isMacKey = key.startsWith("mac+");
if (isMac && isMacKey) {
this.callbacks.set(key.slice(4), callback);
this.allKeys.add(key.split("+").at(-1));
} else if (!isMac && !isMacKey) {
this.callbacks.set(key, callback);
this.allKeys.add(key.split("+").at(-1));
}
}
}
}
#serialize(event) {
if (event.altKey) {
this.buffer.push("alt");
}
if (event.ctrlKey) {
this.buffer.push("ctrl");
}
if (event.metaKey) {
this.buffer.push("meta");
}
if (event.shiftKey) {
this.buffer.push("shift");
}
this.buffer.push(event.key);
const str = this.buffer.join("+");
this.buffer.length = 0;
return str;
}
exec(self, event) {
if (!this.allKeys.has(event.key)) {
return;
}
const callback = this.callbacks.get(this.#serialize(event));
if (!callback) {
return;
}
callback.bind(self)();
event.stopPropagation();
event.preventDefault();
}
}
exports.KeyboardManager = KeyboardManager;
class ColorManager {
static _colorsMapping = new Map([["CanvasText", [0, 0, 0]], ["Canvas", [255, 255, 255]]]);
get _colors() {
const colors = new Map([["CanvasText", null], ["Canvas", null]]);
(0, _display_utils.getColorValues)(colors);
return (0, _util.shadow)(this, "_colors", colors);
}
convert(color) {
const rgb = (0, _display_utils.getRGB)(color);
if (!window.matchMedia("(forced-colors: active)").matches) {
return rgb;
}
for (const [name, RGB] of this._colors) {
if (RGB.every((x, i) => x === rgb[i])) {
return ColorManager._colorsMapping.get(name);
}
}
return rgb;
}
getHexCode(name) {
const rgb = this._colors.get(name);
if (!rgb) {
return name;
}
return _util.Util.makeHexColor(...rgb);
}
}
exports.ColorManager = ColorManager;
class AnnotationEditorUIManager {
#activeEditor = null;
#allEditors = new Map();
#allLayers = new Map();
#annotationStorage = null;
#commandManager = new CommandManager();
#currentPageIndex = 0;
#editorTypes = null;
#editorsToRescale = new Set();
#eventBus = null;
#idManager = new IdManager();
#isEnabled = false;
#mode = _util.AnnotationEditorType.NONE;
#selectedEditors = new Set();
#boundCopy = this.copy.bind(this);
#boundCut = this.cut.bind(this);
#boundPaste = this.paste.bind(this);
#boundKeydown = this.keydown.bind(this);
#boundOnEditingAction = this.onEditingAction.bind(this);
#boundOnPageChanging = this.onPageChanging.bind(this);
#boundOnScaleChanging = this.onScaleChanging.bind(this);
#boundOnRotationChanging = this.onRotationChanging.bind(this);
#previousStates = {
isEditing: false,
isEmpty: true,
hasSomethingToUndo: false,
hasSomethingToRedo: false,
hasSelectedEditor: false
};
#container = null;
static _keyboardManager = new KeyboardManager([[["ctrl+a", "mac+meta+a"], AnnotationEditorUIManager.prototype.selectAll], [["ctrl+z", "mac+meta+z"], AnnotationEditorUIManager.prototype.undo], [["ctrl+y", "ctrl+shift+Z", "mac+meta+shift+Z"], AnnotationEditorUIManager.prototype.redo], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete"], AnnotationEditorUIManager.prototype.delete], [["Escape", "mac+Escape"], AnnotationEditorUIManager.prototype.unselectAll]]);
constructor(container, eventBus, annotationStorage) {
this.#container = container;
this.#eventBus = eventBus;
this.#eventBus._on("editingaction", this.#boundOnEditingAction);
this.#eventBus._on("pagechanging", this.#boundOnPageChanging);
this.#eventBus._on("scalechanging", this.#boundOnScaleChanging);
this.#eventBus._on("rotationchanging", this.#boundOnRotationChanging);
this.#annotationStorage = annotationStorage;
this.viewParameters = {
realScale: _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS,
rotation: 0
};
}
destroy() {
this.#removeKeyboardManager();
this.#eventBus._off("editingaction", this.#boundOnEditingAction);
this.#eventBus._off("pagechanging", this.#boundOnPageChanging);
this.#eventBus._off("scalechanging", this.#boundOnScaleChanging);
this.#eventBus._off("rotationchanging", this.#boundOnRotationChanging);
for (const layer of this.#allLayers.values()) {
layer.destroy();
}
this.#allLayers.clear();
this.#allEditors.clear();
this.#editorsToRescale.clear();
this.#activeEditor = null;
this.#selectedEditors.clear();
this.#commandManager.destroy();
}
onPageChanging({
pageNumber
}) {
this.#currentPageIndex = pageNumber - 1;
}
focusMainContainer() {
this.#container.focus();
}
addShouldRescale(editor) {
this.#editorsToRescale.add(editor);
}
removeShouldRescale(editor) {
this.#editorsToRescale.delete(editor);
}
onScaleChanging({
scale
}) {
this.commitOrRemove();
this.viewParameters.realScale = scale * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS;
for (const editor of this.#editorsToRescale) {
editor.onScaleChanging();
}
}
onRotationChanging({
pagesRotation
}) {
this.commitOrRemove();
this.viewParameters.rotation = pagesRotation;
}
addToAnnotationStorage(editor) {
if (!editor.isEmpty() && this.#annotationStorage && !this.#annotationStorage.has(editor.id)) {
this.#annotationStorage.setValue(editor.id, editor);
}
}
#addKeyboardManager() {
this.#container.addEventListener("keydown", this.#boundKeydown);
}
#removeKeyboardManager() {
this.#container.removeEventListener("keydown", this.#boundKeydown);
}
#addCopyPasteListeners() {
document.addEventListener("copy", this.#boundCopy);
document.addEventListener("cut", this.#boundCut);
document.addEventListener("paste", this.#boundPaste);
}
#removeCopyPasteListeners() {
document.removeEventListener("copy", this.#boundCopy);
document.removeEventListener("cut", this.#boundCut);
document.removeEventListener("paste", this.#boundPaste);
}
copy(event) {
event.preventDefault();
if (this.#activeEditor) {
this.#activeEditor.commitOrRemove();
}
if (!this.hasSelection) {
return;
}
const editors = [];
for (const editor of this.#selectedEditors) {
if (!editor.isEmpty()) {
editors.push(editor.serialize());
}
}
if (editors.length === 0) {
return;
}
event.clipboardData.setData("application/pdfjs", JSON.stringify(editors));
}
cut(event) {
this.copy(event);
this.delete();
}
paste(event) {
event.preventDefault();
let data = event.clipboardData.getData("application/pdfjs");
if (!data) {
return;
}
try {
data = JSON.parse(data);
} catch (ex) {
(0, _util.warn)(`paste: "${ex.message}".`);
return;
}
if (!Array.isArray(data)) {
return;
}
this.unselectAll();
const layer = this.#allLayers.get(this.#currentPageIndex);
try {
const newEditors = [];
for (const editor of data) {
const deserializedEditor = layer.deserialize(editor);
if (!deserializedEditor) {
return;
}
newEditors.push(deserializedEditor);
}
const cmd = () => {
for (const editor of newEditors) {
this.#addEditorToLayer(editor);
}
this.#selectEditors(newEditors);
};
const undo = () => {
for (const editor of newEditors) {
editor.remove();
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
} catch (ex) {
(0, _util.warn)(`paste: "${ex.message}".`);
}
}
keydown(event) {
if (!this.getActive()?.shouldGetKeyboardEvents()) {
AnnotationEditorUIManager._keyboardManager.exec(this, event);
}
}
onEditingAction(details) {
if (["undo", "redo", "delete", "selectAll"].includes(details.name)) {
this[details.name]();
}
}
#dispatchUpdateStates(details) {
const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value);
if (hasChanged) {
this.#eventBus.dispatch("annotationeditorstateschanged", {
source: this,
details: Object.assign(this.#previousStates, details)
});
}
}
#dispatchUpdateUI(details) {
this.#eventBus.dispatch("annotationeditorparamschanged", {
source: this,
details
});
}
setEditingState(isEditing) {
if (isEditing) {
this.#addKeyboardManager();
this.#addCopyPasteListeners();
this.#dispatchUpdateStates({
isEditing: this.#mode !== _util.AnnotationEditorType.NONE,
isEmpty: this.#isEmpty(),
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
hasSelectedEditor: false
});
} else {
this.#removeKeyboardManager();
this.#removeCopyPasteListeners();
this.#dispatchUpdateStates({
isEditing: false
});
}
}
registerEditorTypes(types) {
if (this.#editorTypes) {
return;
}
this.#editorTypes = types;
for (const editorType of this.#editorTypes) {
this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
}
}
getId() {
return this.#idManager.getId();
}
get currentLayer() {
return this.#allLayers.get(this.#currentPageIndex);
}
get currentPageIndex() {
return this.#currentPageIndex;
}
addLayer(layer) {
this.#allLayers.set(layer.pageIndex, layer);
if (this.#isEnabled) {
layer.enable();
} else {
layer.disable();
}
}
removeLayer(layer) {
this.#allLayers.delete(layer.pageIndex);
}
updateMode(mode) {
this.#mode = mode;
if (mode === _util.AnnotationEditorType.NONE) {
this.setEditingState(false);
this.#disableAll();
} else {
this.setEditingState(true);
this.#enableAll();
for (const layer of this.#allLayers.values()) {
layer.updateMode(mode);
}
}
}
updateToolbar(mode) {
if (mode === this.#mode) {
return;
}
this.#eventBus.dispatch("switchannotationeditormode", {
source: this,
mode
});
}
updateParams(type, value) {
if (!this.#editorTypes) {
return;
}
for (const editor of this.#selectedEditors) {
editor.updateParams(type, value);
}
for (const editorType of this.#editorTypes) {
editorType.updateDefaultParams(type, value);
}
}
#enableAll() {
if (!this.#isEnabled) {
this.#isEnabled = true;
for (const layer of this.#allLayers.values()) {
layer.enable();
}
}
}
#disableAll() {
this.unselectAll();
if (this.#isEnabled) {
this.#isEnabled = false;
for (const layer of this.#allLayers.values()) {
layer.disable();
}
}
}
getEditors(pageIndex) {
const editors = [];
for (const editor of this.#allEditors.values()) {
if (editor.pageIndex === pageIndex) {
editors.push(editor);
}
}
return editors;
}
getEditor(id) {
return this.#allEditors.get(id);
}
addEditor(editor) {
this.#allEditors.set(editor.id, editor);
}
removeEditor(editor) {
this.#allEditors.delete(editor.id);
this.unselect(editor);
this.#annotationStorage?.remove(editor.id);
}
#addEditorToLayer(editor) {
const layer = this.#allLayers.get(editor.pageIndex);
if (layer) {
layer.addOrRebuild(editor);
} else {
this.addEditor(editor);
}
}
setActiveEditor(editor) {
if (this.#activeEditor === editor) {
return;
}
this.#activeEditor = editor;
if (editor) {
this.#dispatchUpdateUI(editor.propertiesToUpdate);
}
}
toggleSelected(editor) {
if (this.#selectedEditors.has(editor)) {
this.#selectedEditors.delete(editor);
editor.unselect();
this.#dispatchUpdateStates({
hasSelectedEditor: this.hasSelection
});
return;
}
this.#selectedEditors.add(editor);
editor.select();
this.#dispatchUpdateUI(editor.propertiesToUpdate);
this.#dispatchUpdateStates({
hasSelectedEditor: true
});
}
setSelected(editor) {
for (const ed of this.#selectedEditors) {
if (ed !== editor) {
ed.unselect();
}
}
this.#selectedEditors.clear();
this.#selectedEditors.add(editor);
editor.select();
this.#dispatchUpdateUI(editor.propertiesToUpdate);
this.#dispatchUpdateStates({
hasSelectedEditor: true
});
}
isSelected(editor) {
return this.#selectedEditors.has(editor);
}
unselect(editor) {
editor.unselect();
this.#selectedEditors.delete(editor);
this.#dispatchUpdateStates({
hasSelectedEditor: this.hasSelection
});
}
get hasSelection() {
return this.#selectedEditors.size !== 0;
}
undo() {
this.#commandManager.undo();
this.#dispatchUpdateStates({
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
hasSomethingToRedo: true,
isEmpty: this.#isEmpty()
});
}
redo() {
this.#commandManager.redo();
this.#dispatchUpdateStates({
hasSomethingToUndo: true,
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
isEmpty: this.#isEmpty()
});
}
addCommands(params) {
this.#commandManager.add(params);
this.#dispatchUpdateStates({
hasSomethingToUndo: true,
hasSomethingToRedo: false,
isEmpty: this.#isEmpty()
});
}
#isEmpty() {
if (this.#allEditors.size === 0) {
return true;
}
if (this.#allEditors.size === 1) {
for (const editor of this.#allEditors.values()) {
return editor.isEmpty();
}
}
return false;
}
delete() {
this.commitOrRemove();
if (!this.hasSelection) {
return;
}
const editors = [...this.#selectedEditors];
const cmd = () => {
for (const editor of editors) {
editor.remove();
}
};
const undo = () => {
for (const editor of editors) {
this.#addEditorToLayer(editor);
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
}
commitOrRemove() {
this.#activeEditor?.commitOrRemove();
}
#selectEditors(editors) {
this.#selectedEditors.clear();
for (const editor of editors) {
if (editor.isEmpty()) {
continue;
}
this.#selectedEditors.add(editor);
editor.select();
}
this.#dispatchUpdateStates({
hasSelectedEditor: true
});
}
selectAll() {
for (const editor of this.#selectedEditors) {
editor.commit();
}
this.#selectEditors(this.#allEditors.values());
}
unselectAll() {
if (this.#activeEditor) {
this.#activeEditor.commitOrRemove();
return;
}
if (this.#selectedEditors.size === 0) {
return;
}
for (const editor of this.#selectedEditors) {
editor.unselect();
}
this.#selectedEditors.clear();
this.#dispatchUpdateStates({
hasSelectedEditor: false
});
}
isActive(editor) {
return this.#activeEditor === editor;
}
getActive() {
return this.#activeEditor;
}
getMode() {
return this.#mode;
}
}
exports.AnnotationEditorUIManager = AnnotationEditorUIManager;
/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = exports.AnnotationPrefix = void 0;
exports.deprecated = deprecated;
exports.getColorValues = getColorValues;
exports.getCurrentTransform = getCurrentTransform;
exports.getCurrentTransformInverse = getCurrentTransformInverse;
exports.getFilenameFromUrl = getFilenameFromUrl;
exports.getPdfFilenameFromUrl = getPdfFilenameFromUrl;
exports.getRGB = getRGB;
exports.getXfaPageViewport = getXfaPageViewport;
exports.isDataScheme = isDataScheme;
exports.isPdfFile = isPdfFile;
exports.isValidFetchUrl = isValidFetchUrl;
exports.loadScript = loadScript;
exports.setLayerDimensions = setLayerDimensions;
var _base_factory = __w_pdfjs_require__(7);
var _util = __w_pdfjs_require__(1);
const SVG_NS = "http://www.w3.org/2000/svg";
const AnnotationPrefix = "pdfjs_internal_id_";
exports.AnnotationPrefix = AnnotationPrefix;
class PixelsPerInch {
static CSS = 96.0;
static PDF = 72.0;
static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
}
exports.PixelsPerInch = PixelsPerInch;
class DOMCanvasFactory extends _base_factory.BaseCanvasFactory {
constructor({
ownerDocument = globalThis.document
} = {}) {
super();
this._document = ownerDocument;
}
_createCanvas(width, height) {
const canvas = this._document.createElement("canvas");
canvas.width = width;
canvas.height = height;
return canvas;
}
}
exports.DOMCanvasFactory = DOMCanvasFactory;
async function fetchData(url, asTypedArray = false) {
if (isValidFetchUrl(url, document.baseURI)) {
const response = await fetch(url);
if (!response.ok) {
throw new Error(response.statusText);
}
return asTypedArray ? new Uint8Array(await response.arrayBuffer()) : (0, _util.stringToBytes)(await response.text());
}
return new Promise((resolve, reject) => {
const request = new XMLHttpRequest();
request.open("GET", url, true);
if (asTypedArray) {
request.responseType = "arraybuffer";
}
request.onreadystatechange = () => {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
let data;
if (asTypedArray && request.response) {
data = new Uint8Array(request.response);
} else if (!asTypedArray && request.responseText) {
data = (0, _util.stringToBytes)(request.responseText);
}
if (data) {
resolve(data);
return;
}
}
reject(new Error(request.statusText));
};
request.send(null);
});
}
class DOMCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
_fetchData(url, compressionType) {
return fetchData(url, this.isCompressed).then(data => {
return {
cMapData: data,
compressionType
};
});
}
}
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
class DOMStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
_fetchData(url) {
return fetchData(url, true);
}
}
exports.DOMStandardFontDataFactory = DOMStandardFontDataFactory;
class DOMSVGFactory extends _base_factory.BaseSVGFactory {
_createSVG(type) {
return document.createElementNS(SVG_NS, type);
}
}
exports.DOMSVGFactory = DOMSVGFactory;
class PageViewport {
constructor({
viewBox,
scale,
rotation,
offsetX = 0,
offsetY = 0,
dontFlip = false
}) {
this.viewBox = viewBox;
this.scale = scale;
this.rotation = rotation;
this.offsetX = offsetX;
this.offsetY = offsetY;
const centerX = (viewBox[2] + viewBox[0]) / 2;
const centerY = (viewBox[3] + viewBox[1]) / 2;
let rotateA, rotateB, rotateC, rotateD;
rotation %= 360;
if (rotation < 0) {
rotation += 360;
}
switch (rotation) {
case 180:
rotateA = -1;
rotateB = 0;
rotateC = 0;
rotateD = 1;
break;
case 90:
rotateA = 0;
rotateB = 1;
rotateC = 1;
rotateD = 0;
break;
case 270:
rotateA = 0;
rotateB = -1;
rotateC = -1;
rotateD = 0;
break;
case 0:
rotateA = 1;
rotateB = 0;
rotateC = 0;
rotateD = -1;
break;
default:
throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
}
if (dontFlip) {
rotateC = -rotateC;
rotateD = -rotateD;
}
let offsetCanvasX, offsetCanvasY;
let width, height;
if (rotateA === 0) {
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
width = (viewBox[3] - viewBox[1]) * scale;
height = (viewBox[2] - viewBox[0]) * scale;
} else {
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
width = (viewBox[2] - viewBox[0]) * scale;
height = (viewBox[3] - viewBox[1]) * scale;
}
this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
this.width = width;
this.height = height;
}
get rawDims() {
const {
viewBox
} = this;
return (0, _util.shadow)(this, "rawDims", {
pageWidth: viewBox[2] - viewBox[0],
pageHeight: viewBox[3] - viewBox[1],
pageX: viewBox[0],
pageY: viewBox[1]
});
}
clone({
scale = this.scale,
rotation = this.rotation,
offsetX = this.offsetX,
offsetY = this.offsetY,
dontFlip = false
} = {}) {
return new PageViewport({
viewBox: this.viewBox.slice(),
scale,
rotation,
offsetX,
offsetY,
dontFlip
});
}
convertToViewportPoint(x, y) {
return _util.Util.applyTransform([x, y], this.transform);
}
convertToViewportRectangle(rect) {
const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
}
convertToPdfPoint(x, y) {
return _util.Util.applyInverseTransform([x, y], this.transform);
}
}
exports.PageViewport = PageViewport;
class RenderingCancelledException extends _util.BaseException {
constructor(msg, type, extraDelay = 0) {
super(msg, "RenderingCancelledException");
this.type = type;
this.extraDelay = extraDelay;
}
}
exports.RenderingCancelledException = RenderingCancelledException;
function isDataScheme(url) {
const ii = url.length;
let i = 0;
while (i < ii && url[i].trim() === "") {
i++;
}
return url.substring(i, i + 5).toLowerCase() === "data:";
}
function isPdfFile(filename) {
return typeof filename === "string" && /\.pdf$/i.test(filename);
}
function getFilenameFromUrl(url, onlyStripPath = false) {
if (!onlyStripPath) {
[url] = url.split(/[#?]/, 1);
}
return url.substring(url.lastIndexOf("/") + 1);
}
function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
if (typeof url !== "string") {
return defaultFilename;
}
if (isDataScheme(url)) {
(0, _util.warn)('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
return defaultFilename;
}
const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
const splitURI = reURI.exec(url);
let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
if (suggestedFilename) {
suggestedFilename = suggestedFilename[0];
if (suggestedFilename.includes("%")) {
try {
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
} catch (ex) {}
}
}
return suggestedFilename || defaultFilename;
}
class StatTimer {
started = Object.create(null);
times = [];
time(name) {
if (name in this.started) {
(0, _util.warn)(`Timer is already running for ${name}`);
}
this.started[name] = Date.now();
}
timeEnd(name) {
if (!(name in this.started)) {
(0, _util.warn)(`Timer has not been started for ${name}`);
}
this.times.push({
name,
start: this.started[name],
end: Date.now()
});
delete this.started[name];
}
toString() {
const outBuf = [];
let longest = 0;
for (const {
name
} of this.times) {
longest = Math.max(name.length, longest);
}
for (const {
name,
start,
end
} of this.times) {
outBuf.push(`${name.padEnd(longest)} ${end - start}ms\n`);
}
return outBuf.join("");
}
}
exports.StatTimer = StatTimer;
function isValidFetchUrl(url, baseUrl) {
try {
const {
protocol
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
return protocol === "http:" || protocol === "https:";
} catch (ex) {
return false;
}
}
function loadScript(src, removeScriptElement = false) {
return new Promise((resolve, reject) => {
const script = document.createElement("script");
script.src = src;
script.onload = function (evt) {
if (removeScriptElement) {
script.remove();
}
resolve(evt);
};
script.onerror = function () {
reject(new Error(`Cannot load script at: ${script.src}`));
};
(document.head || document.documentElement).append(script);
});
}
function deprecated(details) {
console.log("Deprecated API usage: " + details);
}
let pdfDateStringRegex;
class PDFDateString {
static toDateObject(input) {
if (!input || typeof input !== "string") {
return null;
}
if (!pdfDateStringRegex) {
pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
}
const matches = pdfDateStringRegex.exec(input);
if (!matches) {
return null;
}
const year = parseInt(matches[1], 10);
let month = parseInt(matches[2], 10);
month = month >= 1 && month <= 12 ? month - 1 : 0;
let day = parseInt(matches[3], 10);
day = day >= 1 && day <= 31 ? day : 1;
let hour = parseInt(matches[4], 10);
hour = hour >= 0 && hour <= 23 ? hour : 0;
let minute = parseInt(matches[5], 10);
minute = minute >= 0 && minute <= 59 ? minute : 0;
let second = parseInt(matches[6], 10);
second = second >= 0 && second <= 59 ? second : 0;
const universalTimeRelation = matches[7] || "Z";
let offsetHour = parseInt(matches[8], 10);
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
let offsetMinute = parseInt(matches[9], 10) || 0;
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
if (universalTimeRelation === "-") {
hour += offsetHour;
minute += offsetMinute;
} else if (universalTimeRelation === "+") {
hour -= offsetHour;
minute -= offsetMinute;
}
return new Date(Date.UTC(year, month, day, hour, minute, second));
}
}
exports.PDFDateString = PDFDateString;
function getXfaPageViewport(xfaPage, {
scale = 1,
rotation = 0
}) {
const {
width,
height
} = xfaPage.attributes.style;
const viewBox = [0, 0, parseInt(width), parseInt(height)];
return new PageViewport({
viewBox,
scale,
rotation
});
}
function getRGB(color) {
if (color.startsWith("#")) {
const colorRGB = parseInt(color.slice(1), 16);
return [(colorRGB & 0xff0000) >> 16, (colorRGB & 0x00ff00) >> 8, colorRGB & 0x0000ff];
}
if (color.startsWith("rgb(")) {
return color.slice(4, -1).split(",").map(x => parseInt(x));
}
if (color.startsWith("rgba(")) {
return color.slice(5, -1).split(",").map(x => parseInt(x)).slice(0, 3);
}
(0, _util.warn)(`Not a valid color format: "${color}"`);
return [0, 0, 0];
}
function getColorValues(colors) {
const span = document.createElement("span");
span.style.visibility = "hidden";
document.body.append(span);
for (const name of colors.keys()) {
span.style.color = name;
const computedColor = window.getComputedStyle(span).color;
colors.set(name, getRGB(computedColor));
}
span.remove();
}
function getCurrentTransform(ctx) {
const {
a,
b,
c,
d,
e,
f
} = ctx.getTransform();
return [a, b, c, d, e, f];
}
function getCurrentTransformInverse(ctx) {
const {
a,
b,
c,
d,
e,
f
} = ctx.getTransform().invertSelf();
return [a, b, c, d, e, f];
}
function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) {
if (viewport instanceof PageViewport) {
const {
pageWidth,
pageHeight
} = viewport.rawDims;
const {
style
} = div;
const widthStr = `calc(var(--scale-factor) * ${pageWidth}px)`;
const heightStr = `calc(var(--scale-factor) * ${pageHeight}px)`;
if (!mustFlip || viewport.rotation % 180 === 0) {
style.width = widthStr;
style.height = heightStr;
} else {
style.width = heightStr;
style.height = widthStr;
}
}
if (mustRotate) {
div.setAttribute("data-main-rotation", viewport.rotation);
}
}
/***/ }),
/* 7 */
/***/ ((__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 = true
}) {
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;
/***/ }),
/* 8 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.MurmurHash3_64 = void 0;
var _util = __w_pdfjs_require__(1);
const SEED = 0xc3d2e1f0;
const MASK_HIGH = 0xffff0000;
const MASK_LOW = 0xffff;
class MurmurHash3_64 {
constructor(seed) {
this.h1 = seed ? seed & 0xffffffff : SEED;
this.h2 = seed ? seed & 0xffffffff : SEED;
}
update(input) {
let data, length;
if (typeof input === "string") {
data = new Uint8Array(input.length * 2);
length = 0;
for (let i = 0, ii = input.length; i < ii; i++) {
const code = input.charCodeAt(i);
if (code <= 0xff) {
data[length++] = code;
} else {
data[length++] = code >>> 8;
data[length++] = code & 0xff;
}
}
} else if ((0, _util.isArrayBuffer)(input)) {
data = input.slice();
length = data.byteLength;
} else {
throw new Error("Wrong data format in MurmurHash3_64_update. " + "Input must be a string or array.");
}
const blockCounts = length >> 2;
const tailLength = length - blockCounts * 4;
const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
let k1 = 0,
k2 = 0;
let h1 = this.h1,
h2 = this.h2;
const C1 = 0xcc9e2d51,
C2 = 0x1b873593;
const C1_LOW = C1 & MASK_LOW,
C2_LOW = C2 & MASK_LOW;
for (let i = 0; i < blockCounts; i++) {
if (i & 1) {
k1 = dataUint32[i];
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
k1 = k1 << 15 | k1 >>> 17;
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
h1 ^= k1;
h1 = h1 << 13 | h1 >>> 19;
h1 = h1 * 5 + 0xe6546b64;
} else {
k2 = dataUint32[i];
k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
k2 = k2 << 15 | k2 >>> 17;
k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
h2 ^= k2;
h2 = h2 << 13 | h2 >>> 19;
h2 = h2 * 5 + 0xe6546b64;
}
}
k1 = 0;
switch (tailLength) {
case 3:
k1 ^= data[blockCounts * 4 + 2] << 16;
case 2:
k1 ^= data[blockCounts * 4 + 1] << 8;
case 1:
k1 ^= data[blockCounts * 4];
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
k1 = k1 << 15 | k1 >>> 17;
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
if (blockCounts & 1) {
h1 ^= k1;
} else {
h2 ^= k1;
}
}
this.h1 = h1;
this.h2 = h2;
}
hexdigest() {
let h1 = this.h1,
h2 = this.h2;
h1 ^= h2 >>> 1;
h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
h1 ^= h2 >>> 1;
h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
h1 ^= h2 >>> 1;
return (h1 >>> 0).toString(16).padStart(8, "0") + (h2 >>> 0).toString(16).padStart(8, "0");
}
}
exports.MurmurHash3_64 = MurmurHash3_64;
/***/ }),
/* 9 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.FontLoader = exports.FontFaceObject = void 0;
var _util = __w_pdfjs_require__(1);
var _is_node = __w_pdfjs_require__(10);
class FontLoader {
constructor({
onUnsupportedFeature,
ownerDocument = globalThis.document,
styleElement = null
}) {
this._onUnsupportedFeature = onUnsupportedFeature;
this._document = ownerDocument;
this.nativeFontFaces = [];
this.styleElement = null;
this.loadingRequests = [];
this.loadTestFontId = 0;
}
addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.push(nativeFontFace);
this._document.fonts.add(nativeFontFace);
}
insertRule(rule) {
if (!this.styleElement) {
this.styleElement = this._document.createElement("style");
this._document.documentElement.getElementsByTagName("head")[0].append(this.styleElement);
}
const styleSheet = this.styleElement.sheet;
styleSheet.insertRule(rule, styleSheet.cssRules.length);
}
clear() {
for (const nativeFontFace of this.nativeFontFaces) {
this._document.fonts.delete(nativeFontFace);
}
this.nativeFontFaces.length = 0;
if (this.styleElement) {
this.styleElement.remove();
this.styleElement = null;
}
}
async bind(font) {
if (font.attached || font.missingFile) {
return;
}
font.attached = true;
if (this.isFontLoadingAPISupported) {
const nativeFontFace = font.createNativeFontFace();
if (nativeFontFace) {
this.addNativeFontFace(nativeFontFace);
try {
await nativeFontFace.loaded;
} catch (ex) {
this._onUnsupportedFeature({
featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
});
(0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
font.disableFontFace = true;
throw ex;
}
}
return;
}
const rule = font.createFontFaceRule();
if (rule) {
this.insertRule(rule);
if (this.isSyncFontLoadingSupported) {
return;
}
await new Promise(resolve => {
const request = this._queueLoadingCallback(resolve);
this._prepareFontLoadEvent(font, request);
});
}
}
get isFontLoadingAPISupported() {
const hasFonts = !!this._document?.fonts;
return (0, _util.shadow)(this, "isFontLoadingAPISupported", hasFonts);
}
get isSyncFontLoadingSupported() {
let supported = false;
if (_is_node.isNodeJS) {
supported = true;
} else if (typeof navigator !== "undefined" && /Mozilla\/5.0.*?rv:\d+.*? Gecko/.test(navigator.userAgent)) {
supported = true;
}
return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
}
_queueLoadingCallback(callback) {
function completeRequest() {
(0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
request.done = true;
while (loadingRequests.length > 0 && loadingRequests[0].done) {
const otherRequest = loadingRequests.shift();
setTimeout(otherRequest.callback, 0);
}
}
const {
loadingRequests
} = this;
const request = {
done: false,
complete: completeRequest,
callback
};
loadingRequests.push(request);
return request;
}
get _loadTestFont() {
const testFont = atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
return (0, _util.shadow)(this, "_loadTestFont", testFont);
}
_prepareFontLoadEvent(font, request) {
function int32(data, offset) {
return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
}
function spliceString(s, offset, remove, insert) {
const chunk1 = s.substring(0, offset);
const chunk2 = s.substring(offset + remove);
return chunk1 + insert + chunk2;
}
let i, ii;
const canvas = this._document.createElement("canvas");
canvas.width = 1;
canvas.height = 1;
const ctx = canvas.getContext("2d");
let called = 0;
function isFontReady(name, callback) {
if (++called > 30) {
(0, _util.warn)("Load test font never loaded.");
callback();
return;
}
ctx.font = "30px " + name;
ctx.fillText(".", 0, 20);
const imageData = ctx.getImageData(0, 0, 1, 1);
if (imageData.data[3] > 0) {
callback();
return;
}
setTimeout(isFontReady.bind(null, name, callback));
}
const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
let data = this._loadTestFont;
const COMMENT_OFFSET = 976;
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
const CFF_CHECKSUM_OFFSET = 16;
const XXXX_VALUE = 0x58585858;
let checksum = int32(data, CFF_CHECKSUM_OFFSET);
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
}
if (i < loadTestFontId.length) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
}
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
const url = `url(data:font/opentype;base64,${btoa(data)});`;
const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
this.insertRule(rule);
const div = this._document.createElement("div");
div.style.visibility = "hidden";
div.style.width = div.style.height = "10px";
div.style.position = "absolute";
div.style.top = div.style.left = "0px";
for (const name of [font.loadedName, loadTestFontId]) {
const span = this._document.createElement("span");
span.textContent = "Hi";
span.style.fontFamily = name;
div.append(span);
}
this._document.body.append(div);
isFontReady(loadTestFontId, () => {
div.remove();
request.complete();
});
}
}
exports.FontLoader = FontLoader;
class FontFaceObject {
constructor(translatedData, {
isEvalSupported = true,
disableFontFace = false,
ignoreErrors = false,
onUnsupportedFeature,
fontRegistry = null
}) {
this.compiledGlyphs = Object.create(null);
for (const i in translatedData) {
this[i] = translatedData[i];
}
this.isEvalSupported = isEvalSupported !== false;
this.disableFontFace = disableFontFace === true;
this.ignoreErrors = ignoreErrors === true;
this._onUnsupportedFeature = onUnsupportedFeature;
this.fontRegistry = fontRegistry;
}
createNativeFontFace() {
if (!this.data || this.disableFontFace) {
return null;
}
let nativeFontFace;
if (!this.cssFontInfo) {
nativeFontFace = new FontFace(this.loadedName, this.data, {});
} else {
const css = {
weight: this.cssFontInfo.fontWeight
};
if (this.cssFontInfo.italicAngle) {
css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
}
nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
}
this.fontRegistry?.registerFont(this);
return nativeFontFace;
}
createFontFaceRule() {
if (!this.data || this.disableFontFace) {
return null;
}
const data = (0, _util.bytesToString)(this.data);
const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
let rule;
if (!this.cssFontInfo) {
rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
} else {
let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
if (this.cssFontInfo.italicAngle) {
css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
}
rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
}
this.fontRegistry?.registerFont(this, url);
return rule;
}
getPathGenerator(objs, character) {
if (this.compiledGlyphs[character] !== undefined) {
return this.compiledGlyphs[character];
}
let cmds;
try {
cmds = objs.get(this.loadedName + "_path_" + character);
} catch (ex) {
if (!this.ignoreErrors) {
throw ex;
}
this._onUnsupportedFeature({
featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
});
(0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
return this.compiledGlyphs[character] = function (c, size) {};
}
if (this.isEvalSupported && _util.FeatureTest.isEvalSupported) {
const jsBuf = [];
for (const current of cmds) {
const args = current.args !== undefined ? current.args.join(",") : "";
jsBuf.push("c.", current.cmd, "(", args, ");\n");
}
return this.compiledGlyphs[character] = new Function("c", "size", jsBuf.join(""));
}
return this.compiledGlyphs[character] = function (c, size) {
for (const current of cmds) {
if (current.cmd === "scale") {
current.args = [size, -size];
}
c[current.cmd].apply(c, current.args);
}
};
}
}
exports.FontFaceObject = FontFaceObject;
/***/ }),
/* 10 */
/***/ ((__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;
/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.CanvasGraphics = void 0;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
var _pattern_helper = __w_pdfjs_require__(12);
var _image_utils = __w_pdfjs_require__(13);
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 = 1000;
const FULL_CHUNK_HEIGHT = 16;
function mirrorContextOperations(ctx, destCtx) {
if (ctx._removeMirroring) {
throw new Error("Context is already forwarding operations.");
}
ctx.__originalSave = ctx.save;
ctx.__originalRestore = ctx.restore;
ctx.__originalRotate = ctx.rotate;
ctx.__originalScale = ctx.scale;
ctx.__originalTranslate = ctx.translate;
ctx.__originalTransform = ctx.transform;
ctx.__originalSetTransform = ctx.setTransform;
ctx.__originalResetTransform = ctx.resetTransform;
ctx.__originalClip = ctx.clip;
ctx.__originalMoveTo = ctx.moveTo;
ctx.__originalLineTo = ctx.lineTo;
ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
ctx.__originalRect = ctx.rect;
ctx.__originalClosePath = ctx.closePath;
ctx.__originalBeginPath = ctx.beginPath;
ctx._removeMirroring = () => {
ctx.save = ctx.__originalSave;
ctx.restore = ctx.__originalRestore;
ctx.rotate = ctx.__originalRotate;
ctx.scale = ctx.__originalScale;
ctx.translate = ctx.__originalTranslate;
ctx.transform = ctx.__originalTransform;
ctx.setTransform = ctx.__originalSetTransform;
ctx.resetTransform = ctx.__originalResetTransform;
ctx.clip = ctx.__originalClip;
ctx.moveTo = ctx.__originalMoveTo;
ctx.lineTo = ctx.__originalLineTo;
ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
ctx.rect = ctx.__originalRect;
ctx.closePath = ctx.__originalClosePath;
ctx.beginPath = ctx.__originalBeginPath;
delete ctx._removeMirroring;
};
ctx.save = function ctxSave() {
destCtx.save();
this.__originalSave();
};
ctx.restore = function ctxRestore() {
destCtx.restore();
this.__originalRestore();
};
ctx.translate = function ctxTranslate(x, y) {
destCtx.translate(x, y);
this.__originalTranslate(x, y);
};
ctx.scale = function ctxScale(x, y) {
destCtx.scale(x, y);
this.__originalScale(x, y);
};
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
destCtx.transform(a, b, c, d, e, f);
this.__originalTransform(a, b, c, d, e, f);
};
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
destCtx.setTransform(a, b, c, d, e, f);
this.__originalSetTransform(a, b, c, d, e, f);
};
ctx.resetTransform = function ctxResetTransform() {
destCtx.resetTransform();
this.__originalResetTransform();
};
ctx.rotate = function ctxRotate(angle) {
destCtx.rotate(angle);
this.__originalRotate(angle);
};
ctx.clip = function ctxRotate(rule) {
destCtx.clip(rule);
this.__originalClip(rule);
};
ctx.moveTo = function (x, y) {
destCtx.moveTo(x, y);
this.__originalMoveTo(x, y);
};
ctx.lineTo = function (x, y) {
destCtx.lineTo(x, y);
this.__originalLineTo(x, y);
};
ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
};
ctx.rect = function (x, y, width, height) {
destCtx.rect(x, y, width, height);
this.__originalRect(x, y, width, height);
};
ctx.closePath = function () {
destCtx.closePath();
this.__originalClosePath();
};
ctx.beginPath = function () {
destCtx.beginPath();
this.__originalBeginPath();
};
}
class CachedCanvases {
constructor(canvasFactory) {
this.canvasFactory = canvasFactory;
this.cache = Object.create(null);
}
getCanvas(id, width, height) {
let canvasEntry;
if (this.cache[id] !== undefined) {
canvasEntry = this.cache[id];
this.canvasFactory.reset(canvasEntry, width, height);
} else {
canvasEntry = this.canvasFactory.create(width, height);
this.cache[id] = canvasEntry;
}
return canvasEntry;
}
delete(id) {
delete this.cache[id];
}
clear() {
for (const id in this.cache) {
const canvasEntry = this.cache[id];
this.canvasFactory.destroy(canvasEntry);
delete this.cache[id];
}
}
}
function drawImageAtIntegerCoords(ctx, srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH) {
const [a, b, c, d, tx, ty] = (0, _display_utils.getCurrentTransform)(ctx);
if (b === 0 && c === 0) {
const tlX = destX * a + tx;
const rTlX = Math.round(tlX);
const tlY = destY * d + ty;
const rTlY = Math.round(tlY);
const brX = (destX + destW) * a + tx;
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
const brY = (destY + destH) * d + ty;
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
ctx.setTransform(Math.sign(a), 0, 0, Math.sign(d), rTlX, rTlY);
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rWidth, rHeight);
ctx.setTransform(a, b, c, d, tx, ty);
return [rWidth, rHeight];
}
if (a === 0 && d === 0) {
const tlX = destY * c + tx;
const rTlX = Math.round(tlX);
const tlY = destX * b + ty;
const rTlY = Math.round(tlY);
const brX = (destY + destH) * c + tx;
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
const brY = (destX + destW) * b + ty;
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
ctx.setTransform(0, Math.sign(b), Math.sign(c), 0, rTlX, rTlY);
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rHeight, rWidth);
ctx.setTransform(a, b, c, d, tx, ty);
return [rHeight, rWidth];
}
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH);
const scaleX = Math.hypot(a, b);
const scaleY = Math.hypot(c, d);
return [scaleX * destW, scaleY * destH];
}
function compileType3Glyph(imgData) {
const {
width,
height
} = imgData;
if (width > MAX_SIZE_TO_COMPILE || height > MAX_SIZE_TO_COMPILE) {
return null;
}
const POINT_TO_PROCESS_LIMIT = 1000;
const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
const width1 = width + 1;
let points = new Uint8Array(width1 * (height + 1));
let i, j, j0;
const lineSize = width + 7 & ~7;
let data = new Uint8Array(lineSize * height),
pos = 0;
for (const elem of imgData.data) {
let mask = 128;
while (mask > 0) {
data[pos++] = elem & mask ? 0 : 255;
mask >>= 1;
}
}
let count = 0;
pos = 0;
if (data[pos] !== 0) {
points[0] = 1;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j] = data[pos] ? 2 : 1;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j] = 2;
++count;
}
for (i = 1; i < height; i++) {
pos = i * lineSize;
j0 = i * width1;
if (data[pos - lineSize] !== data[pos]) {
points[j0] = data[pos] ? 1 : 8;
++count;
}
let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
for (j = 1; j < width; j++) {
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
if (POINT_TYPES[sum]) {
points[j0 + j] = POINT_TYPES[sum];
++count;
}
pos++;
}
if (data[pos - lineSize] !== data[pos]) {
points[j0 + j] = data[pos] ? 2 : 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
}
pos = lineSize * (height - 1);
j0 = i * width1;
if (data[pos] !== 0) {
points[j0] = 8;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j0 + j] = data[pos] ? 4 : 8;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j0 + j] = 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
const path = new Path2D();
for (i = 0; count && i <= height; i++) {
let p = i * width1;
const end = p + width;
while (p < end && !points[p]) {
p++;
}
if (p === end) {
continue;
}
path.moveTo(p % width1, i);
const p0 = p;
let type = points[p];
do {
const step = steps[type];
do {
p += step;
} while (!points[p]);
const pp = points[p];
if (pp !== 5 && pp !== 10) {
type = pp;
points[p] = 0;
} else {
type = pp & 0x33 * type >> 4;
points[p] &= type >> 2 | type << 2;
}
path.lineTo(p % width1, p / width1 | 0);
if (!points[p]) {
--count;
}
} while (p0 !== p);
--i;
}
data = null;
points = null;
const drawOutline = function (c) {
c.save();
c.scale(1 / width, -1 / height);
c.translate(0, -height);
c.fill(path);
c.beginPath();
c.restore();
};
return drawOutline;
}
class CanvasExtraState {
constructor(width, height) {
this.alphaIsShape = false;
this.fontSize = 0;
this.fontSizeScale = 1;
this.textMatrix = _util.IDENTITY_MATRIX;
this.textMatrixScale = 1;
this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
this.leading = 0;
this.x = 0;
this.y = 0;
this.lineX = 0;
this.lineY = 0;
this.charSpacing = 0;
this.wordSpacing = 0;
this.textHScale = 1;
this.textRenderingMode = _util.TextRenderingMode.FILL;
this.textRise = 0;
this.fillColor = "#000000";
this.strokeColor = "#000000";
this.patternFill = false;
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
this.activeSMask = null;
this.transferMaps = null;
this.startNewPathAndClipBox([0, 0, width, height]);
}
clone() {
const clone = Object.create(this);
clone.clipBox = this.clipBox.slice();
return clone;
}
setCurrentPoint(x, y) {
this.x = x;
this.y = y;
}
updatePathMinMax(transform, x, y) {
[x, y] = _util.Util.applyTransform([x, y], transform);
this.minX = Math.min(this.minX, x);
this.minY = Math.min(this.minY, y);
this.maxX = Math.max(this.maxX, x);
this.maxY = Math.max(this.maxY, y);
}
updateRectMinMax(transform, rect) {
const p1 = _util.Util.applyTransform(rect, transform);
const p2 = _util.Util.applyTransform(rect.slice(2), transform);
this.minX = Math.min(this.minX, p1[0], p2[0]);
this.minY = Math.min(this.minY, p1[1], p2[1]);
this.maxX = Math.max(this.maxX, p1[0], p2[0]);
this.maxY = Math.max(this.maxY, p1[1], p2[1]);
}
updateScalingPathMinMax(transform, minMax) {
_util.Util.scaleMinMax(transform, minMax);
this.minX = Math.min(this.minX, minMax[0]);
this.maxX = Math.max(this.maxX, minMax[1]);
this.minY = Math.min(this.minY, minMax[2]);
this.maxY = Math.max(this.maxY, minMax[3]);
}
updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
const box = _util.Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3);
if (minMax) {
minMax[0] = Math.min(minMax[0], box[0], box[2]);
minMax[1] = Math.max(minMax[1], box[0], box[2]);
minMax[2] = Math.min(minMax[2], box[1], box[3]);
minMax[3] = Math.max(minMax[3], box[1], box[3]);
return;
}
this.updateRectMinMax(transform, box);
}
getPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
const box = [this.minX, this.minY, this.maxX, this.maxY];
if (pathType === _pattern_helper.PathType.STROKE) {
if (!transform) {
(0, _util.unreachable)("Stroke bounding box must include transform.");
}
const scale = _util.Util.singularValueDecompose2dScale(transform);
const xStrokePad = scale[0] * this.lineWidth / 2;
const yStrokePad = scale[1] * this.lineWidth / 2;
box[0] -= xStrokePad;
box[1] -= yStrokePad;
box[2] += xStrokePad;
box[3] += yStrokePad;
}
return box;
}
updateClipFromPath() {
const intersect = _util.Util.intersect(this.clipBox, this.getPathBoundingBox());
this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
}
isEmptyClip() {
return this.minX === Infinity;
}
startNewPathAndClipBox(box) {
this.clipBox = box;
this.minX = Infinity;
this.minY = Infinity;
this.maxX = 0;
this.maxY = 0;
}
getClippedPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
return _util.Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
}
}
function putBinaryImageData(ctx, imgData, transferMaps = null) {
if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
ctx.putImageData(imgData, 0, 0);
return;
}
const height = imgData.height,
width = imgData.width;
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
let srcPos = 0,
destPos;
const src = imgData.data;
const dest = chunkImgData.data;
let i, j, thisChunkHeight, elemsInThisChunk;
let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
if (transferMaps) {
switch (transferMaps.length) {
case 1:
transferMapRed = transferMaps[0];
transferMapGreen = transferMaps[0];
transferMapBlue = transferMaps[0];
transferMapGray = transferMaps[0];
break;
case 4:
transferMapRed = transferMaps[0];
transferMapGreen = transferMaps[1];
transferMapBlue = transferMaps[2];
transferMapGray = transferMaps[3];
break;
}
}
if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
const srcLength = src.byteLength;
const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
const dest32DataLength = dest32.length;
const fullSrcDiff = width + 7 >> 3;
let white = 0xffffffff;
let black = _util.FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
if (transferMapGray) {
if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
[white, black] = [black, white];
}
}
for (i = 0; i < totalChunks; i++) {
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
destPos = 0;
for (j = 0; j < thisChunkHeight; j++) {
const srcDiff = srcLength - srcPos;
let k = 0;
const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
const kEndUnrolled = kEnd & ~7;
let mask = 0;
let srcByte = 0;
for (; k < kEndUnrolled; k += 8) {
srcByte = src[srcPos++];
dest32[destPos++] = srcByte & 128 ? white : black;
dest32[destPos++] = srcByte & 64 ? white : black;
dest32[destPos++] = srcByte & 32 ? white : black;
dest32[destPos++] = srcByte & 16 ? white : black;
dest32[destPos++] = srcByte & 8 ? white : black;
dest32[destPos++] = srcByte & 4 ? white : black;
dest32[destPos++] = srcByte & 2 ? white : black;
dest32[destPos++] = srcByte & 1 ? white : black;
}
for (; k < kEnd; k++) {
if (mask === 0) {
srcByte = src[srcPos++];
mask = 128;
}
dest32[destPos++] = srcByte & mask ? white : black;
mask >>= 1;
}
}
while (destPos < dest32DataLength) {
dest32[destPos++] = 0;
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
j = 0;
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
for (i = 0; i < fullChunks; i++) {
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
srcPos += elemsInThisChunk;
if (hasTransferMaps) {
for (let k = 0; k < elemsInThisChunk; k += 4) {
if (transferMapRed) {
dest[k + 0] = transferMapRed[dest[k + 0]];
}
if (transferMapGreen) {
dest[k + 1] = transferMapGreen[dest[k + 1]];
}
if (transferMapBlue) {
dest[k + 2] = transferMapBlue[dest[k + 2]];
}
}
}
ctx.putImageData(chunkImgData, 0, j);
j += FULL_CHUNK_HEIGHT;
}
if (i < totalChunks) {
elemsInThisChunk = width * partialChunkHeight * 4;
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
if (hasTransferMaps) {
for (let k = 0; k < elemsInThisChunk; k += 4) {
if (transferMapRed) {
dest[k + 0] = transferMapRed[dest[k + 0]];
}
if (transferMapGreen) {
dest[k + 1] = transferMapGreen[dest[k + 1]];
}
if (transferMapBlue) {
dest[k + 2] = transferMapBlue[dest[k + 2]];
}
}
}
ctx.putImageData(chunkImgData, 0, j);
}
} else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
thisChunkHeight = FULL_CHUNK_HEIGHT;
elemsInThisChunk = width * thisChunkHeight;
for (i = 0; i < totalChunks; i++) {
if (i >= fullChunks) {
thisChunkHeight = partialChunkHeight;
elemsInThisChunk = width * thisChunkHeight;
}
destPos = 0;
for (j = elemsInThisChunk; j--;) {
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = 255;
}
if (hasTransferMaps) {
for (let k = 0; k < destPos; k += 4) {
if (transferMapRed) {
dest[k + 0] = transferMapRed[dest[k + 0]];
}
if (transferMapGreen) {
dest[k + 1] = transferMapGreen[dest[k + 1]];
}
if (transferMapBlue) {
dest[k + 2] = transferMapBlue[dest[k + 2]];
}
}
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else {
throw new Error(`bad image kind: ${imgData.kind}`);
}
}
function putBinaryImageMask(ctx, imgData) {
if (imgData.bitmap) {
ctx.drawImage(imgData.bitmap, 0, 0);
return;
}
const height = imgData.height,
width = imgData.width;
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
let srcPos = 0;
const src = imgData.data;
const dest = chunkImgData.data;
for (let i = 0; i < totalChunks; i++) {
const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
({
srcPos
} = (0, _image_utils.applyMaskImageData)({
src,
srcPos,
dest,
width,
height: thisChunkHeight
}));
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
}
function copyCtxState(sourceCtx, destCtx) {
const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
for (const property of properties) {
if (sourceCtx[property] !== undefined) {
destCtx[property] = sourceCtx[property];
}
}
if (sourceCtx.setLineDash !== undefined) {
destCtx.setLineDash(sourceCtx.getLineDash());
destCtx.lineDashOffset = sourceCtx.lineDashOffset;
}
}
function resetCtxToDefault(ctx, foregroundColor) {
ctx.strokeStyle = ctx.fillStyle = foregroundColor || "#000000";
ctx.fillRule = "nonzero";
ctx.globalAlpha = 1;
ctx.lineWidth = 1;
ctx.lineCap = "butt";
ctx.lineJoin = "miter";
ctx.miterLimit = 10;
ctx.globalCompositeOperation = "source-over";
ctx.font = "10px sans-serif";
if (ctx.setLineDash !== undefined) {
ctx.setLineDash([]);
ctx.lineDashOffset = 0;
}
}
function composeSMaskBackdrop(bytes, r0, g0, b0) {
const length = bytes.length;
for (let i = 3; i < length; i += 4) {
const alpha = bytes[i];
if (alpha === 0) {
bytes[i - 3] = r0;
bytes[i - 2] = g0;
bytes[i - 1] = b0;
} else if (alpha < 255) {
const alpha_ = 255 - alpha;
bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
}
}
}
function composeSMaskAlpha(maskData, layerData, transferMap) {
const length = maskData.length;
const scale = 1 / 255;
for (let i = 3; i < length; i += 4) {
const alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
layerData[i] = layerData[i] * alpha * scale | 0;
}
}
function composeSMaskLuminosity(maskData, layerData, transferMap) {
const length = maskData.length;
for (let i = 3; i < length; i += 4) {
const y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
}
}
function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
const hasBackdrop = !!backdrop;
const r0 = hasBackdrop ? backdrop[0] : 0;
const g0 = hasBackdrop ? backdrop[1] : 0;
const b0 = hasBackdrop ? backdrop[2] : 0;
let composeFn;
if (subtype === "Luminosity") {
composeFn = composeSMaskLuminosity;
} else {
composeFn = composeSMaskAlpha;
}
const PIXELS_TO_PROCESS = 1048576;
const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
for (let row = 0; row < height; row += chunkSize) {
const chunkHeight = Math.min(chunkSize, height - row);
const maskData = maskCtx.getImageData(layerOffsetX - maskOffsetX, row + (layerOffsetY - maskOffsetY), width, chunkHeight);
const layerData = layerCtx.getImageData(layerOffsetX, row + layerOffsetY, width, chunkHeight);
if (hasBackdrop) {
composeSMaskBackdrop(maskData.data, r0, g0, b0);
}
composeFn(maskData.data, layerData.data, transferMap);
layerCtx.putImageData(layerData, layerOffsetX, row + layerOffsetY);
}
}
function composeSMask(ctx, smask, layerCtx, layerBox) {
const layerOffsetX = layerBox[0];
const layerOffsetY = layerBox[1];
const layerWidth = layerBox[2] - layerOffsetX;
const layerHeight = layerBox[3] - layerOffsetY;
if (layerWidth === 0 || layerHeight === 0) {
return;
}
genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
ctx.save();
ctx.globalAlpha = 1;
ctx.globalCompositeOperation = "source-over";
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.drawImage(layerCtx.canvas, 0, 0);
ctx.restore();
}
function getImageSmoothingEnabled(transform, interpolate) {
const scale = _util.Util.singularValueDecompose2dScale(transform);
scale[0] = Math.fround(scale[0]);
scale[1] = Math.fround(scale[1]);
const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS);
if (interpolate !== undefined) {
return interpolate;
} else if (scale[0] <= actualScale || scale[1] <= actualScale) {
return true;
}
return false;
}
const LINE_CAP_STYLES = ["butt", "round", "square"];
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
const NORMAL_CLIP = {};
const EO_CLIP = {};
class CanvasGraphics {
constructor(canvasCtx, commonObjs, objs, canvasFactory, {
optionalContentConfig,
markedContentStack = null
}, annotationCanvasMap, pageColors) {
this.ctx = canvasCtx;
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
this.stateStack = [];
this.pendingClip = null;
this.pendingEOFill = false;
this.res = null;
this.xobjs = null;
this.commonObjs = commonObjs;
this.objs = objs;
this.canvasFactory = canvasFactory;
this.groupStack = [];
this.processingType3 = null;
this.baseTransform = null;
this.baseTransformStack = [];
this.groupLevel = 0;
this.smaskStack = [];
this.smaskCounter = 0;
this.tempSMask = null;
this.suspendedCtx = null;
this.contentVisible = true;
this.markedContentStack = markedContentStack || [];
this.optionalContentConfig = optionalContentConfig;
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
this.cachedPatterns = new Map();
this.annotationCanvasMap = annotationCanvasMap;
this.viewportScale = 1;
this.outputScaleX = 1;
this.outputScaleY = 1;
this.backgroundColor = pageColors?.background || null;
this.foregroundColor = pageColors?.foreground || null;
this._cachedScaleForStroking = null;
this._cachedGetSinglePixelWidth = null;
this._cachedBitmapsMap = new Map();
}
getObject(data, fallback = null) {
if (typeof data === "string") {
return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
}
return fallback;
}
beginDrawing({
transform,
viewport,
transparency = false,
background = null
}) {
const width = this.ctx.canvas.width;
const height = this.ctx.canvas.height;
const defaultBackgroundColor = background || "#ffffff";
this.ctx.save();
if (this.foregroundColor && this.backgroundColor) {
this.ctx.fillStyle = this.foregroundColor;
const fg = this.foregroundColor = this.ctx.fillStyle;
this.ctx.fillStyle = this.backgroundColor;
const bg = this.backgroundColor = this.ctx.fillStyle;
let isValidDefaultBg = true;
let defaultBg = defaultBackgroundColor;
this.ctx.fillStyle = defaultBackgroundColor;
defaultBg = this.ctx.fillStyle;
isValidDefaultBg = typeof defaultBg === "string" && /^#[0-9A-Fa-f]{6}$/.test(defaultBg);
if (fg === "#000000" && bg === "#ffffff" || fg === bg || !isValidDefaultBg) {
this.foregroundColor = this.backgroundColor = null;
} else {
const [rB, gB, bB] = (0, _display_utils.getRGB)(defaultBg);
const newComp = x => {
x /= 255;
return x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
};
const lumB = Math.round(0.2126 * newComp(rB) + 0.7152 * newComp(gB) + 0.0722 * newComp(bB));
this.selectColor = (r, g, b) => {
const lumC = 0.2126 * newComp(r) + 0.7152 * newComp(g) + 0.0722 * newComp(b);
return Math.round(lumC) === lumB ? bg : fg;
};
}
}
this.ctx.fillStyle = this.backgroundColor || defaultBackgroundColor;
this.ctx.fillRect(0, 0, width, height);
this.ctx.restore();
if (transparency) {
const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height);
this.compositeCtx = this.ctx;
this.transparentCanvas = transparentCanvas.canvas;
this.ctx = transparentCanvas.context;
this.ctx.save();
this.ctx.transform(...(0, _display_utils.getCurrentTransform)(this.compositeCtx));
}
this.ctx.save();
resetCtxToDefault(this.ctx, this.foregroundColor);
if (transform) {
this.ctx.transform(...transform);
this.outputScaleX = transform[0];
this.outputScaleY = transform[0];
}
this.ctx.transform(...viewport.transform);
this.viewportScale = viewport.scale;
this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
}
executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
const argsArray = operatorList.argsArray;
const fnArray = operatorList.fnArray;
let i = executionStartIdx || 0;
const argsArrayLen = argsArray.length;
if (argsArrayLen === i) {
return i;
}
const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
let steps = 0;
const commonObjs = this.commonObjs;
const objs = this.objs;
let fnId;
while (true) {
if (stepper !== undefined && i === stepper.nextBreakPoint) {
stepper.breakIt(i, continueCallback);
return i;
}
fnId = fnArray[i];
if (fnId !== _util.OPS.dependency) {
this[fnId].apply(this, argsArray[i]);
} else {
for (const depObjId of argsArray[i]) {
const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
if (!objsPool.has(depObjId)) {
objsPool.get(depObjId, continueCallback);
return i;
}
}
}
i++;
if (i === argsArrayLen) {
return i;
}
if (chunkOperations && ++steps > EXECUTION_STEPS) {
if (Date.now() > endTime) {
continueCallback();
return i;
}
steps = 0;
}
}
}
#restoreInitialState() {
while (this.stateStack.length || this.inSMaskMode) {
this.restore();
}
this.ctx.restore();
if (this.transparentCanvas) {
this.ctx = this.compositeCtx;
this.ctx.save();
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.drawImage(this.transparentCanvas, 0, 0);
this.ctx.restore();
this.transparentCanvas = null;
}
}
endDrawing() {
this.#restoreInitialState();
this.cachedCanvases.clear();
this.cachedPatterns.clear();
for (const cache of this._cachedBitmapsMap.values()) {
for (const canvas of cache.values()) {
if (typeof HTMLCanvasElement !== "undefined" && canvas instanceof HTMLCanvasElement) {
canvas.width = canvas.height = 0;
}
}
cache.clear();
}
this._cachedBitmapsMap.clear();
}
_scaleImage(img, inverseTransform) {
const width = img.width;
const height = img.height;
let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
let paintWidth = width,
paintHeight = height;
let tmpCanvasId = "prescale1";
let tmpCanvas, tmpCtx;
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
let newWidth = paintWidth,
newHeight = paintHeight;
if (widthScale > 2 && paintWidth > 1) {
newWidth = Math.ceil(paintWidth / 2);
widthScale /= paintWidth / newWidth;
}
if (heightScale > 2 && paintHeight > 1) {
newHeight = Math.ceil(paintHeight / 2);
heightScale /= paintHeight / newHeight;
}
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
tmpCtx = tmpCanvas.context;
tmpCtx.clearRect(0, 0, newWidth, newHeight);
tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
img = tmpCanvas.canvas;
paintWidth = newWidth;
paintHeight = newHeight;
tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
}
return {
img,
paintWidth,
paintHeight
};
}
_createMaskCanvas(img) {
const ctx = this.ctx;
const {
width,
height
} = img;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
let cache, cacheKey, scaled, maskCanvas;
if ((img.bitmap || img.data) && img.count > 1) {
const mainKey = img.bitmap || img.data.buffer;
cacheKey = JSON.stringify(isPatternFill ? currentTransform : [currentTransform.slice(0, 4), fillColor]);
cache = this._cachedBitmapsMap.get(mainKey);
if (!cache) {
cache = new Map();
this._cachedBitmapsMap.set(mainKey, cache);
}
const cachedImage = cache.get(cacheKey);
if (cachedImage && !isPatternFill) {
const offsetX = Math.round(Math.min(currentTransform[0], currentTransform[2]) + currentTransform[4]);
const offsetY = Math.round(Math.min(currentTransform[1], currentTransform[3]) + currentTransform[5]);
return {
canvas: cachedImage,
offsetX,
offsetY
};
}
scaled = cachedImage;
}
if (!scaled) {
maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
putBinaryImageMask(maskCanvas.context, img);
}
let maskToCanvas = _util.Util.transform(currentTransform, [1 / width, 0, 0, -1 / height, 0, 0]);
maskToCanvas = _util.Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
const cord1 = _util.Util.applyTransform([0, 0], maskToCanvas);
const cord2 = _util.Util.applyTransform([width, height], maskToCanvas);
const rect = _util.Util.normalizeRect([cord1[0], cord1[1], cord2[0], cord2[1]]);
const drawnWidth = Math.round(rect[2] - rect[0]) || 1;
const drawnHeight = Math.round(rect[3] - rect[1]) || 1;
const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight);
const fillCtx = fillCanvas.context;
const offsetX = Math.min(cord1[0], cord2[0]);
const offsetY = Math.min(cord1[1], cord2[1]);
fillCtx.translate(-offsetX, -offsetY);
fillCtx.transform(...maskToCanvas);
if (!scaled) {
scaled = this._scaleImage(maskCanvas.canvas, (0, _display_utils.getCurrentTransformInverse)(fillCtx));
scaled = scaled.img;
if (cache && isPatternFill) {
cache.set(cacheKey, scaled);
}
}
fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(fillCtx), img.interpolate);
drawImageAtIntegerCoords(fillCtx, scaled, 0, 0, scaled.width, scaled.height, 0, 0, width, height);
fillCtx.globalCompositeOperation = "source-in";
const inverse = _util.Util.transform((0, _display_utils.getCurrentTransformInverse)(fillCtx), [1, 0, 0, 1, -offsetX, -offsetY]);
fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, _pattern_helper.PathType.FILL) : fillColor;
fillCtx.fillRect(0, 0, width, height);
if (cache && !isPatternFill) {
this.cachedCanvases.delete("fillCanvas");
cache.set(cacheKey, fillCanvas.canvas);
}
return {
canvas: fillCanvas.canvas,
offsetX: Math.round(offsetX),
offsetY: Math.round(offsetY)
};
}
setLineWidth(width) {
if (width !== this.current.lineWidth) {
this._cachedScaleForStroking = null;
}
this.current.lineWidth = width;
this.ctx.lineWidth = width;
}
setLineCap(style) {
this.ctx.lineCap = LINE_CAP_STYLES[style];
}
setLineJoin(style) {
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
}
setMiterLimit(limit) {
this.ctx.miterLimit = limit;
}
setDash(dashArray, dashPhase) {
const ctx = this.ctx;
if (ctx.setLineDash !== undefined) {
ctx.setLineDash(dashArray);
ctx.lineDashOffset = dashPhase;
}
}
setRenderingIntent(intent) {}
setFlatness(flatness) {}
setGState(states) {
for (const [key, value] of states) {
switch (key) {
case "LW":
this.setLineWidth(value);
break;
case "LC":
this.setLineCap(value);
break;
case "LJ":
this.setLineJoin(value);
break;
case "ML":
this.setMiterLimit(value);
break;
case "D":
this.setDash(value[0], value[1]);
break;
case "RI":
this.setRenderingIntent(value);
break;
case "FL":
this.setFlatness(value);
break;
case "Font":
this.setFont(value[0], value[1]);
break;
case "CA":
this.current.strokeAlpha = value;
break;
case "ca":
this.current.fillAlpha = value;
this.ctx.globalAlpha = value;
break;
case "BM":
this.ctx.globalCompositeOperation = value;
break;
case "SMask":
this.current.activeSMask = value ? this.tempSMask : null;
this.tempSMask = null;
this.checkSMaskState();
break;
case "TR":
this.current.transferMaps = value;
}
}
}
get inSMaskMode() {
return !!this.suspendedCtx;
}
checkSMaskState() {
const inSMaskMode = this.inSMaskMode;
if (this.current.activeSMask && !inSMaskMode) {
this.beginSMaskMode();
} else if (!this.current.activeSMask && inSMaskMode) {
this.endSMaskMode();
}
}
beginSMaskMode() {
if (this.inSMaskMode) {
throw new Error("beginSMaskMode called while already in smask mode");
}
const drawnWidth = this.ctx.canvas.width;
const drawnHeight = this.ctx.canvas.height;
const cacheId = "smaskGroupAt" + this.groupLevel;
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
this.suspendedCtx = this.ctx;
this.ctx = scratchCanvas.context;
const ctx = this.ctx;
ctx.setTransform(...(0, _display_utils.getCurrentTransform)(this.suspendedCtx));
copyCtxState(this.suspendedCtx, ctx);
mirrorContextOperations(ctx, this.suspendedCtx);
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
}
endSMaskMode() {
if (!this.inSMaskMode) {
throw new Error("endSMaskMode called while not in smask mode");
}
this.ctx._removeMirroring();
copyCtxState(this.ctx, this.suspendedCtx);
this.ctx = this.suspendedCtx;
this.suspendedCtx = null;
}
compose(dirtyBox) {
if (!this.current.activeSMask) {
return;
}
if (!dirtyBox) {
dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
} else {
dirtyBox[0] = Math.floor(dirtyBox[0]);
dirtyBox[1] = Math.floor(dirtyBox[1]);
dirtyBox[2] = Math.ceil(dirtyBox[2]);
dirtyBox[3] = Math.ceil(dirtyBox[3]);
}
const smask = this.current.activeSMask;
const suspendedCtx = this.suspendedCtx;
composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
this.ctx.save();
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
this.ctx.restore();
}
save() {
if (this.inSMaskMode) {
copyCtxState(this.ctx, this.suspendedCtx);
this.suspendedCtx.save();
} else {
this.ctx.save();
}
const old = this.current;
this.stateStack.push(old);
this.current = old.clone();
}
restore() {
if (this.stateStack.length === 0 && this.inSMaskMode) {
this.endSMaskMode();
}
if (this.stateStack.length !== 0) {
this.current = this.stateStack.pop();
if (this.inSMaskMode) {
this.suspendedCtx.restore();
copyCtxState(this.suspendedCtx, this.ctx);
} else {
this.ctx.restore();
}
this.checkSMaskState();
this.pendingClip = null;
this._cachedScaleForStroking = null;
this._cachedGetSinglePixelWidth = null;
}
}
transform(a, b, c, d, e, f) {
this.ctx.transform(a, b, c, d, e, f);
this._cachedScaleForStroking = null;
this._cachedGetSinglePixelWidth = null;
}
constructPath(ops, args, minMax) {
const ctx = this.ctx;
const current = this.current;
let x = current.x,
y = current.y;
let startX, startY;
const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
const isScalingMatrix = currentTransform[0] === 0 && currentTransform[3] === 0 || currentTransform[1] === 0 && currentTransform[2] === 0;
const minMaxForBezier = isScalingMatrix ? minMax.slice(0) : null;
for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
switch (ops[i] | 0) {
case _util.OPS.rectangle:
x = args[j++];
y = args[j++];
const width = args[j++];
const height = args[j++];
const xw = x + width;
const yh = y + height;
ctx.moveTo(x, y);
if (width === 0 || height === 0) {
ctx.lineTo(xw, yh);
} else {
ctx.lineTo(xw, y);
ctx.lineTo(xw, yh);
ctx.lineTo(x, yh);
}
if (!isScalingMatrix) {
current.updateRectMinMax(currentTransform, [x, y, xw, yh]);
}
ctx.closePath();
break;
case _util.OPS.moveTo:
x = args[j++];
y = args[j++];
ctx.moveTo(x, y);
if (!isScalingMatrix) {
current.updatePathMinMax(currentTransform, x, y);
}
break;
case _util.OPS.lineTo:
x = args[j++];
y = args[j++];
ctx.lineTo(x, y);
if (!isScalingMatrix) {
current.updatePathMinMax(currentTransform, x, y);
}
break;
case _util.OPS.curveTo:
startX = x;
startY = y;
x = args[j + 4];
y = args[j + 5];
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y, minMaxForBezier);
j += 6;
break;
case _util.OPS.curveTo2:
startX = x;
startY = y;
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
current.updateCurvePathMinMax(currentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3], minMaxForBezier);
x = args[j + 2];
y = args[j + 3];
j += 4;
break;
case _util.OPS.curveTo3:
startX = x;
startY = y;
x = args[j + 2];
y = args[j + 3];
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], x, y, x, y, minMaxForBezier);
j += 4;
break;
case _util.OPS.closePath:
ctx.closePath();
break;
}
}
if (isScalingMatrix) {
current.updateScalingPathMinMax(currentTransform, minMaxForBezier);
}
current.setCurrentPoint(x, y);
}
closePath() {
this.ctx.closePath();
}
stroke(consumePath = true) {
const ctx = this.ctx;
const strokeColor = this.current.strokeColor;
ctx.globalAlpha = this.current.strokeAlpha;
if (this.contentVisible) {
if (typeof strokeColor === "object" && strokeColor?.getPattern) {
ctx.save();
ctx.strokeStyle = strokeColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.STROKE);
this.rescaleAndStroke(false);
ctx.restore();
} else {
this.rescaleAndStroke(true);
}
}
if (consumePath) {
this.consumePath(this.current.getClippedPathBoundingBox());
}
ctx.globalAlpha = this.current.fillAlpha;
}
closeStroke() {
this.closePath();
this.stroke();
}
fill(consumePath = true) {
const ctx = this.ctx;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
let needRestore = false;
if (isPatternFill) {
ctx.save();
ctx.fillStyle = fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
needRestore = true;
}
const intersect = this.current.getClippedPathBoundingBox();
if (this.contentVisible && intersect !== null) {
if (this.pendingEOFill) {
ctx.fill("evenodd");
this.pendingEOFill = false;
} else {
ctx.fill();
}
}
if (needRestore) {
ctx.restore();
}
if (consumePath) {
this.consumePath(intersect);
}
}
eoFill() {
this.pendingEOFill = true;
this.fill();
}
fillStroke() {
this.fill(false);
this.stroke(false);
this.consumePath();
}
eoFillStroke() {
this.pendingEOFill = true;
this.fillStroke();
}
closeFillStroke() {
this.closePath();
this.fillStroke();
}
closeEOFillStroke() {
this.pendingEOFill = true;
this.closePath();
this.fillStroke();
}
endPath() {
this.consumePath();
}
clip() {
this.pendingClip = NORMAL_CLIP;
}
eoClip() {
this.pendingClip = EO_CLIP;
}
beginText() {
this.current.textMatrix = _util.IDENTITY_MATRIX;
this.current.textMatrixScale = 1;
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
}
endText() {
const paths = this.pendingTextPaths;
const ctx = this.ctx;
if (paths === undefined) {
ctx.beginPath();
return;
}
ctx.save();
ctx.beginPath();
for (const path of paths) {
ctx.setTransform(...path.transform);
ctx.translate(path.x, path.y);
path.addToPath(ctx, path.fontSize);
}
ctx.restore();
ctx.clip();
ctx.beginPath();
delete this.pendingTextPaths;
}
setCharSpacing(spacing) {
this.current.charSpacing = spacing;
}
setWordSpacing(spacing) {
this.current.wordSpacing = spacing;
}
setHScale(scale) {
this.current.textHScale = scale / 100;
}
setLeading(leading) {
this.current.leading = -leading;
}
setFont(fontRefName, size) {
const fontObj = this.commonObjs.get(fontRefName);
const current = this.current;
if (!fontObj) {
throw new Error(`Can't find font for ${fontRefName}`);
}
current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
(0, _util.warn)("Invalid font matrix for font " + fontRefName);
}
if (size < 0) {
size = -size;
current.fontDirection = -1;
} else {
current.fontDirection = 1;
}
this.current.font = fontObj;
this.current.fontSize = size;
if (fontObj.isType3Font) {
return;
}
const name = fontObj.loadedName || "sans-serif";
let bold = "normal";
if (fontObj.black) {
bold = "900";
} else if (fontObj.bold) {
bold = "bold";
}
const italic = fontObj.italic ? "italic" : "normal";
const typeface = `"${name}", ${fontObj.fallbackName}`;
let browserFontSize = size;
if (size < MIN_FONT_SIZE) {
browserFontSize = MIN_FONT_SIZE;
} else if (size > MAX_FONT_SIZE) {
browserFontSize = MAX_FONT_SIZE;
}
this.current.fontSizeScale = size / browserFontSize;
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
}
setTextRenderingMode(mode) {
this.current.textRenderingMode = mode;
}
setTextRise(rise) {
this.current.textRise = rise;
}
moveText(x, y) {
this.current.x = this.current.lineX += x;
this.current.y = this.current.lineY += y;
}
setLeadingMoveText(x, y) {
this.setLeading(-y);
this.moveText(x, y);
}
setTextMatrix(a, b, c, d, e, f) {
this.current.textMatrix = [a, b, c, d, e, f];
this.current.textMatrixScale = Math.hypot(a, b);
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
}
nextLine() {
this.moveText(0, this.current.leading);
}
paintChar(character, x, y, patternTransform) {
const ctx = this.ctx;
const current = this.current;
const font = current.font;
const textRenderingMode = current.textRenderingMode;
const fontSize = current.fontSize / current.fontSizeScale;
const fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
const isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
const patternFill = current.patternFill && !font.missingFile;
let addToPath;
if (font.disableFontFace || isAddToPathSet || patternFill) {
addToPath = font.getPathGenerator(this.commonObjs, character);
}
if (font.disableFontFace || patternFill) {
ctx.save();
ctx.translate(x, y);
ctx.beginPath();
addToPath(ctx, fontSize);
if (patternTransform) {
ctx.setTransform(...patternTransform);
}
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
ctx.fill();
}
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
ctx.stroke();
}
ctx.restore();
} else {
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
ctx.fillText(character, x, y);
}
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
ctx.strokeText(character, x, y);
}
}
if (isAddToPathSet) {
const paths = this.pendingTextPaths || (this.pendingTextPaths = []);
paths.push({
transform: (0, _display_utils.getCurrentTransform)(ctx),
x,
y,
fontSize,
addToPath
});
}
}
get isFontSubpixelAAEnabled() {
const {
context: ctx
} = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
ctx.scale(1.5, 1);
ctx.fillText("I", 0, 10);
const data = ctx.getImageData(0, 0, 10, 10).data;
let enabled = false;
for (let i = 3; i < data.length; i += 4) {
if (data[i] > 0 && data[i] < 255) {
enabled = true;
break;
}
}
return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
}
showText(glyphs) {
const current = this.current;
const font = current.font;
if (font.isType3Font) {
return this.showType3Text(glyphs);
}
const fontSize = current.fontSize;
if (fontSize === 0) {
return undefined;
}
const ctx = this.ctx;
const fontSizeScale = current.fontSizeScale;
const charSpacing = current.charSpacing;
const wordSpacing = current.wordSpacing;
const fontDirection = current.fontDirection;
const textHScale = current.textHScale * fontDirection;
const glyphsLength = glyphs.length;
const vertical = font.vertical;
const spacingDir = vertical ? 1 : -1;
const defaultVMetrics = font.defaultVMetrics;
const widthAdvanceScale = fontSize * current.fontMatrix[0];
const simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
ctx.save();
ctx.transform(...current.textMatrix);
ctx.translate(current.x, current.y + current.textRise);
if (fontDirection > 0) {
ctx.scale(textHScale, -1);
} else {
ctx.scale(textHScale, 1);
}
let patternTransform;
if (current.patternFill) {
ctx.save();
const pattern = current.fillColor.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL);
patternTransform = (0, _display_utils.getCurrentTransform)(ctx);
ctx.restore();
ctx.fillStyle = pattern;
}
let lineWidth = current.lineWidth;
const scale = current.textMatrixScale;
if (scale === 0 || lineWidth === 0) {
const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
lineWidth = this.getSinglePixelWidth();
}
} else {
lineWidth /= scale;
}
if (fontSizeScale !== 1.0) {
ctx.scale(fontSizeScale, fontSizeScale);
lineWidth /= fontSizeScale;
}
ctx.lineWidth = lineWidth;
if (font.isInvalidPDFjsFont) {
const chars = [];
let width = 0;
for (const glyph of glyphs) {
chars.push(glyph.unicode);
width += glyph.width;
}
ctx.fillText(chars.join(""), 0, 0);
current.x += width * widthAdvanceScale * textHScale;
ctx.restore();
this.compose();
return undefined;
}
let x = 0,
i;
for (i = 0; i < glyphsLength; ++i) {
const glyph = glyphs[i];
if (typeof glyph === "number") {
x += spacingDir * glyph * fontSize / 1000;
continue;
}
let restoreNeeded = false;
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
const character = glyph.fontChar;
const accent = glyph.accent;
let scaledX, scaledY;
let width = glyph.width;
if (vertical) {
const vmetric = glyph.vmetric || defaultVMetrics;
const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
const vy = vmetric[2] * widthAdvanceScale;
width = vmetric ? -vmetric[0] : width;
scaledX = vx / fontSizeScale;
scaledY = (x + vy) / fontSizeScale;
} else {
scaledX = x / fontSizeScale;
scaledY = 0;
}
if (font.remeasure && width > 0) {
const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
const characterScaleX = width / measuredWidth;
restoreNeeded = true;
ctx.save();
ctx.scale(characterScaleX, 1);
scaledX /= characterScaleX;
} else if (width !== measuredWidth) {
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
}
}
if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
if (simpleFillText && !accent) {
ctx.fillText(character, scaledX, scaledY);
} else {
this.paintChar(character, scaledX, scaledY, patternTransform);
if (accent) {
const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
}
}
}
let charWidth;
if (vertical) {
charWidth = width * widthAdvanceScale - spacing * fontDirection;
} else {
charWidth = width * widthAdvanceScale + spacing * fontDirection;
}
x += charWidth;
if (restoreNeeded) {
ctx.restore();
}
}
if (vertical) {
current.y -= x;
} else {
current.x += x * textHScale;
}
ctx.restore();
this.compose();
return undefined;
}
showType3Text(glyphs) {
const ctx = this.ctx;
const current = this.current;
const font = current.font;
const fontSize = current.fontSize;
const fontDirection = current.fontDirection;
const spacingDir = font.vertical ? 1 : -1;
const charSpacing = current.charSpacing;
const wordSpacing = current.wordSpacing;
const textHScale = current.textHScale * fontDirection;
const fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
const glyphsLength = glyphs.length;
const isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
let i, glyph, width, spacingLength;
if (isTextInvisible || fontSize === 0) {
return;
}
this._cachedScaleForStroking = null;
this._cachedGetSinglePixelWidth = null;
ctx.save();
ctx.transform(...current.textMatrix);
ctx.translate(current.x, current.y);
ctx.scale(textHScale, fontDirection);
for (i = 0; i < glyphsLength; ++i) {
glyph = glyphs[i];
if (typeof glyph === "number") {
spacingLength = spacingDir * glyph * fontSize / 1000;
this.ctx.translate(spacingLength, 0);
current.x += spacingLength * textHScale;
continue;
}
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
const operatorList = font.charProcOperatorList[glyph.operatorListId];
if (!operatorList) {
(0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
continue;
}
if (this.contentVisible) {
this.processingType3 = glyph;
this.save();
ctx.scale(fontSize, fontSize);
ctx.transform(...fontMatrix);
this.executeOperatorList(operatorList);
this.restore();
}
const transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
width = transformed[0] * fontSize + spacing;
ctx.translate(width, 0);
current.x += width * textHScale;
}
ctx.restore();
this.processingType3 = null;
}
setCharWidth(xWidth, yWidth) {}
setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
this.ctx.rect(llx, lly, urx - llx, ury - lly);
this.ctx.clip();
this.endPath();
}
getColorN_Pattern(IR) {
let pattern;
if (IR[0] === "TilingPattern") {
const color = IR[1];
const baseTransform = this.baseTransform || (0, _display_utils.getCurrentTransform)(this.ctx);
const canvasGraphicsFactory = {
createCanvasGraphics: ctx => {
return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, {
optionalContentConfig: this.optionalContentConfig,
markedContentStack: this.markedContentStack
});
}
};
pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
} else {
pattern = this._getPattern(IR[1], IR[2]);
}
return pattern;
}
setStrokeColorN() {
this.current.strokeColor = this.getColorN_Pattern(arguments);
}
setFillColorN() {
this.current.fillColor = this.getColorN_Pattern(arguments);
this.current.patternFill = true;
}
setStrokeRGBColor(r, g, b) {
const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
}
setFillRGBColor(r, g, b) {
const color = this.selectColor?.(r, g, b) || _util.Util.makeHexColor(r, g, b);
this.ctx.fillStyle = color;
this.current.fillColor = color;
this.current.patternFill = false;
}
_getPattern(objId, matrix = null) {
let pattern;
if (this.cachedPatterns.has(objId)) {
pattern = this.cachedPatterns.get(objId);
} else {
pattern = (0, _pattern_helper.getShadingPattern)(this.objs.get(objId));
this.cachedPatterns.set(objId, pattern);
}
if (matrix) {
pattern.matrix = matrix;
}
return pattern;
}
shadingFill(objId) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
this.save();
const pattern = this._getPattern(objId);
ctx.fillStyle = pattern.getPattern(ctx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.SHADING);
const inv = (0, _display_utils.getCurrentTransformInverse)(ctx);
if (inv) {
const canvas = ctx.canvas;
const width = canvas.width;
const height = canvas.height;
const bl = _util.Util.applyTransform([0, 0], inv);
const br = _util.Util.applyTransform([0, height], inv);
const ul = _util.Util.applyTransform([width, 0], inv);
const ur = _util.Util.applyTransform([width, height], inv);
const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
} else {
this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
}
this.compose(this.current.getClippedPathBoundingBox());
this.restore();
}
beginInlineImage() {
(0, _util.unreachable)("Should not call beginInlineImage");
}
beginImageData() {
(0, _util.unreachable)("Should not call beginImageData");
}
paintFormXObjectBegin(matrix, bbox) {
if (!this.contentVisible) {
return;
}
this.save();
this.baseTransformStack.push(this.baseTransform);
if (Array.isArray(matrix) && matrix.length === 6) {
this.transform(...matrix);
}
this.baseTransform = (0, _display_utils.getCurrentTransform)(this.ctx);
if (bbox) {
const width = bbox[2] - bbox[0];
const height = bbox[3] - bbox[1];
this.ctx.rect(bbox[0], bbox[1], width, height);
this.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(this.ctx), bbox);
this.clip();
this.endPath();
}
}
paintFormXObjectEnd() {
if (!this.contentVisible) {
return;
}
this.restore();
this.baseTransform = this.baseTransformStack.pop();
}
beginGroup(group) {
if (!this.contentVisible) {
return;
}
this.save();
if (this.inSMaskMode) {
this.endSMaskMode();
this.current.activeSMask = null;
}
const currentCtx = this.ctx;
if (!group.isolated) {
(0, _util.info)("TODO: Support non-isolated groups.");
}
if (group.knockout) {
(0, _util.warn)("Knockout groups not supported.");
}
const currentTransform = (0, _display_utils.getCurrentTransform)(currentCtx);
if (group.matrix) {
currentCtx.transform(...group.matrix);
}
if (!group.bbox) {
throw new Error("Bounding box is required.");
}
let bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, (0, _display_utils.getCurrentTransform)(currentCtx));
const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
const offsetX = Math.floor(bounds[0]);
const offsetY = Math.floor(bounds[1]);
let drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
let drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
let scaleX = 1,
scaleY = 1;
if (drawnWidth > MAX_GROUP_SIZE) {
scaleX = drawnWidth / MAX_GROUP_SIZE;
drawnWidth = MAX_GROUP_SIZE;
}
if (drawnHeight > MAX_GROUP_SIZE) {
scaleY = drawnHeight / MAX_GROUP_SIZE;
drawnHeight = MAX_GROUP_SIZE;
}
this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
let cacheId = "groupAt" + this.groupLevel;
if (group.smask) {
cacheId += "_smask_" + this.smaskCounter++ % 2;
}
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
const groupCtx = scratchCanvas.context;
groupCtx.scale(1 / scaleX, 1 / scaleY);
groupCtx.translate(-offsetX, -offsetY);
groupCtx.transform(...currentTransform);
if (group.smask) {
this.smaskStack.push({
canvas: scratchCanvas.canvas,
context: groupCtx,
offsetX,
offsetY,
scaleX,
scaleY,
subtype: group.smask.subtype,
backdrop: group.smask.backdrop,
transferMap: group.smask.transferMap || null,
startTransformInverse: null
});
} else {
currentCtx.setTransform(1, 0, 0, 1, 0, 0);
currentCtx.translate(offsetX, offsetY);
currentCtx.scale(scaleX, scaleY);
currentCtx.save();
}
copyCtxState(currentCtx, groupCtx);
this.ctx = groupCtx;
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
this.groupStack.push(currentCtx);
this.groupLevel++;
}
endGroup(group) {
if (!this.contentVisible) {
return;
}
this.groupLevel--;
const groupCtx = this.ctx;
const ctx = this.groupStack.pop();
this.ctx = ctx;
this.ctx.imageSmoothingEnabled = false;
if (group.smask) {
this.tempSMask = this.smaskStack.pop();
this.restore();
} else {
this.ctx.restore();
const currentMtx = (0, _display_utils.getCurrentTransform)(this.ctx);
this.restore();
this.ctx.save();
this.ctx.setTransform(...currentMtx);
const dirtyBox = _util.Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
this.ctx.drawImage(groupCtx.canvas, 0, 0);
this.ctx.restore();
this.compose(dirtyBox);
}
}
beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
this.#restoreInitialState();
resetCtxToDefault(this.ctx, this.foregroundColor);
this.ctx.save();
this.save();
if (this.baseTransform) {
this.ctx.setTransform(...this.baseTransform);
}
if (Array.isArray(rect) && rect.length === 4) {
const width = rect[2] - rect[0];
const height = rect[3] - rect[1];
if (hasOwnCanvas && this.annotationCanvasMap) {
transform = transform.slice();
transform[4] -= rect[0];
transform[5] -= rect[1];
rect = rect.slice();
rect[0] = rect[1] = 0;
rect[2] = width;
rect[3] = height;
const [scaleX, scaleY] = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(this.ctx));
const {
viewportScale
} = this;
const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
const {
canvas,
context
} = this.annotationCanvas;
this.annotationCanvasMap.set(id, canvas);
this.annotationCanvas.savedCtx = this.ctx;
this.ctx = context;
this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
resetCtxToDefault(this.ctx, this.foregroundColor);
} else {
resetCtxToDefault(this.ctx, this.foregroundColor);
this.ctx.rect(rect[0], rect[1], width, height);
this.ctx.clip();
this.endPath();
}
}
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
this.transform(...transform);
this.transform(...matrix);
}
endAnnotation() {
if (this.annotationCanvas) {
this.ctx = this.annotationCanvas.savedCtx;
delete this.annotationCanvas.savedCtx;
delete this.annotationCanvas;
}
}
paintImageMaskXObject(img) {
if (!this.contentVisible) {
return;
}
const count = img.count;
img = this.getObject(img.data, img);
img.count = count;
const ctx = this.ctx;
const glyph = this.processingType3;
if (glyph) {
if (glyph.compiled === undefined) {
glyph.compiled = compileType3Glyph(img);
}
if (glyph.compiled) {
glyph.compiled(ctx);
return;
}
}
const mask = this._createMaskCanvas(img);
const maskCanvas = mask.canvas;
ctx.save();
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
ctx.restore();
this.compose();
}
paintImageMaskXObjectRepeat(img, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
if (!this.contentVisible) {
return;
}
img = this.getObject(img.data, img);
const ctx = this.ctx;
ctx.save();
const currentTransform = (0, _display_utils.getCurrentTransform)(ctx);
ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
const mask = this._createMaskCanvas(img);
ctx.setTransform(1, 0, 0, 1, mask.offsetX - currentTransform[4], mask.offsetY - currentTransform[5]);
for (let i = 0, ii = positions.length; i < ii; i += 2) {
const trans = _util.Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
const [x, y] = _util.Util.applyTransform([0, 0], trans);
ctx.drawImage(mask.canvas, x, y);
}
ctx.restore();
this.compose();
}
paintImageMaskXObjectGroup(images) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
for (const image of images) {
const {
data,
width,
height,
transform
} = image;
const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
const maskCtx = maskCanvas.context;
maskCtx.save();
const img = this.getObject(data, image);
putBinaryImageMask(maskCtx, img);
maskCtx.globalCompositeOperation = "source-in";
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, (0, _display_utils.getCurrentTransformInverse)(ctx), _pattern_helper.PathType.FILL) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
ctx.save();
ctx.transform(...transform);
ctx.scale(1, -1);
drawImageAtIntegerCoords(ctx, maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
ctx.restore();
}
this.compose();
}
paintImageXObject(objId) {
if (!this.contentVisible) {
return;
}
const imgData = this.getObject(objId);
if (!imgData) {
(0, _util.warn)("Dependent image isn't ready yet");
return;
}
this.paintInlineImageXObject(imgData);
}
paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
if (!this.contentVisible) {
return;
}
const imgData = this.getObject(objId);
if (!imgData) {
(0, _util.warn)("Dependent image isn't ready yet");
return;
}
const width = imgData.width;
const height = imgData.height;
const map = [];
for (let i = 0, ii = positions.length; i < ii; i += 2) {
map.push({
transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
x: 0,
y: 0,
w: width,
h: height
});
}
this.paintInlineImageXObjectGroup(imgData, map);
}
paintInlineImageXObject(imgData) {
if (!this.contentVisible) {
return;
}
const width = imgData.width;
const height = imgData.height;
const ctx = this.ctx;
this.save();
ctx.scale(1 / width, -1 / height);
let imgToPaint;
if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
imgToPaint = imgData;
} else {
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
const tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
imgToPaint = tmpCanvas.canvas;
}
const scaled = this._scaleImage(imgToPaint, (0, _display_utils.getCurrentTransformInverse)(ctx));
ctx.imageSmoothingEnabled = getImageSmoothingEnabled((0, _display_utils.getCurrentTransform)(ctx), imgData.interpolate);
drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
this.compose();
this.restore();
}
paintInlineImageXObjectGroup(imgData, map) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
const w = imgData.width;
const h = imgData.height;
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
const tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
for (const entry of map) {
ctx.save();
ctx.transform(...entry.transform);
ctx.scale(1, -1);
drawImageAtIntegerCoords(ctx, tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
ctx.restore();
}
this.compose();
}
paintSolidColorImageMask() {
if (!this.contentVisible) {
return;
}
this.ctx.fillRect(0, 0, 1, 1);
this.compose();
}
markPoint(tag) {}
markPointProps(tag, properties) {}
beginMarkedContent(tag) {
this.markedContentStack.push({
visible: true
});
}
beginMarkedContentProps(tag, properties) {
if (tag === "OC") {
this.markedContentStack.push({
visible: this.optionalContentConfig.isVisible(properties)
});
} else {
this.markedContentStack.push({
visible: true
});
}
this.contentVisible = this.isContentVisible();
}
endMarkedContent() {
this.markedContentStack.pop();
this.contentVisible = this.isContentVisible();
}
beginCompat() {}
endCompat() {}
consumePath(clipBox) {
const isEmpty = this.current.isEmptyClip();
if (this.pendingClip) {
this.current.updateClipFromPath();
}
if (!this.pendingClip) {
this.compose(clipBox);
}
const ctx = this.ctx;
if (this.pendingClip) {
if (!isEmpty) {
if (this.pendingClip === EO_CLIP) {
ctx.clip("evenodd");
} else {
ctx.clip();
}
}
this.pendingClip = null;
}
this.current.startNewPathAndClipBox(this.current.clipBox);
ctx.beginPath();
}
getSinglePixelWidth() {
if (!this._cachedGetSinglePixelWidth) {
const m = (0, _display_utils.getCurrentTransform)(this.ctx);
if (m[1] === 0 && m[2] === 0) {
this._cachedGetSinglePixelWidth = 1 / Math.min(Math.abs(m[0]), Math.abs(m[3]));
} else {
const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
const normX = Math.hypot(m[0], m[2]);
const normY = Math.hypot(m[1], m[3]);
this._cachedGetSinglePixelWidth = Math.max(normX, normY) / absDet;
}
}
return this._cachedGetSinglePixelWidth;
}
getScaleForStroking() {
if (!this._cachedScaleForStroking) {
const {
lineWidth
} = this.current;
const m = (0, _display_utils.getCurrentTransform)(this.ctx);
let scaleX, scaleY;
if (m[1] === 0 && m[2] === 0) {
const normX = Math.abs(m[0]);
const normY = Math.abs(m[3]);
if (lineWidth === 0) {
scaleX = 1 / normX;
scaleY = 1 / normY;
} else {
const scaledXLineWidth = normX * lineWidth;
const scaledYLineWidth = normY * lineWidth;
scaleX = scaledXLineWidth < 1 ? 1 / scaledXLineWidth : 1;
scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1;
}
} else {
const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
const normX = Math.hypot(m[0], m[1]);
const normY = Math.hypot(m[2], m[3]);
if (lineWidth === 0) {
scaleX = normY / absDet;
scaleY = normX / absDet;
} else {
const baseArea = lineWidth * absDet;
scaleX = normY > baseArea ? normY / baseArea : 1;
scaleY = normX > baseArea ? normX / baseArea : 1;
}
}
this._cachedScaleForStroking = [scaleX, scaleY];
}
return this._cachedScaleForStroking;
}
rescaleAndStroke(saveRestore) {
const {
ctx
} = this;
const {
lineWidth
} = this.current;
const [scaleX, scaleY] = this.getScaleForStroking();
ctx.lineWidth = lineWidth || 1;
if (scaleX === 1 && scaleY === 1) {
ctx.stroke();
return;
}
let savedMatrix, savedDashes, savedDashOffset;
if (saveRestore) {
savedMatrix = (0, _display_utils.getCurrentTransform)(ctx);
savedDashes = ctx.getLineDash().slice();
savedDashOffset = ctx.lineDashOffset;
}
ctx.scale(scaleX, scaleY);
const scale = Math.max(scaleX, scaleY);
ctx.setLineDash(ctx.getLineDash().map(x => x / scale));
ctx.lineDashOffset /= scale;
ctx.stroke();
if (saveRestore) {
ctx.setTransform(...savedMatrix);
ctx.setLineDash(savedDashes);
ctx.lineDashOffset = savedDashOffset;
}
}
isContentVisible() {
for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
if (!this.markedContentStack[i].visible) {
return false;
}
}
return true;
}
}
exports.CanvasGraphics = CanvasGraphics;
for (const op in _util.OPS) {
if (CanvasGraphics.prototype[op] !== undefined) {
CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
}
}
/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.TilingPattern = exports.PathType = void 0;
exports.getShadingPattern = getShadingPattern;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
const PathType = {
FILL: "Fill",
STROKE: "Stroke",
SHADING: "Shading"
};
exports.PathType = PathType;
function applyBoundingBox(ctx, bbox) {
if (!bbox) {
return;
}
const width = bbox[2] - bbox[0];
const height = bbox[3] - bbox[1];
const region = new Path2D();
region.rect(bbox[0], bbox[1], width, height);
ctx.clip(region);
}
class BaseShadingPattern {
constructor() {
if (this.constructor === BaseShadingPattern) {
(0, _util.unreachable)("Cannot initialize BaseShadingPattern.");
}
}
getPattern() {
(0, _util.unreachable)("Abstract method `getPattern` called.");
}
}
class RadialAxialShadingPattern extends BaseShadingPattern {
constructor(IR) {
super();
this._type = IR[1];
this._bbox = IR[2];
this._colorStops = IR[3];
this._p0 = IR[4];
this._p1 = IR[5];
this._r0 = IR[6];
this._r1 = IR[7];
this.matrix = null;
}
_createGradient(ctx) {
let grad;
if (this._type === "axial") {
grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
} else if (this._type === "radial") {
grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
}
for (const colorStop of this._colorStops) {
grad.addColorStop(colorStop[0], colorStop[1]);
}
return grad;
}
getPattern(ctx, owner, inverse, pathType) {
let pattern;
if (pathType === PathType.STROKE || pathType === PathType.FILL) {
const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, (0, _display_utils.getCurrentTransform)(ctx)) || [0, 0, 0, 0];
const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height, true);
const tmpCtx = tmpCanvas.context;
tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
tmpCtx.beginPath();
tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
inverse = _util.Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
tmpCtx.transform(...owner.baseTransform);
if (this.matrix) {
tmpCtx.transform(...this.matrix);
}
applyBoundingBox(tmpCtx, this._bbox);
tmpCtx.fillStyle = this._createGradient(tmpCtx);
tmpCtx.fill();
pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
const domMatrix = new DOMMatrix(inverse);
pattern.setTransform(domMatrix);
} else {
applyBoundingBox(ctx, this._bbox);
pattern = this._createGradient(ctx);
}
return pattern;
}
}
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
const coords = context.coords,
colors = context.colors;
const bytes = data.data,
rowSize = data.width * 4;
let tmp;
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
if (coords[p2 + 1] > coords[p3 + 1]) {
tmp = p2;
p2 = p3;
p3 = tmp;
tmp = c2;
c2 = c3;
c3 = tmp;
}
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
const x1 = (coords[p1] + context.offsetX) * context.scaleX;
const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
const x2 = (coords[p2] + context.offsetX) * context.scaleX;
const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
const x3 = (coords[p3] + context.offsetX) * context.scaleX;
const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
if (y1 >= y3) {
return;
}
const c1r = colors[c1],
c1g = colors[c1 + 1],
c1b = colors[c1 + 2];
const c2r = colors[c2],
c2g = colors[c2 + 1],
c2b = colors[c2 + 2];
const c3r = colors[c3],
c3g = colors[c3 + 1],
c3b = colors[c3 + 2];
const minY = Math.round(y1),
maxY = Math.round(y3);
let xa, car, cag, cab;
let xb, cbr, cbg, cbb;
for (let y = minY; y <= maxY; y++) {
if (y < y2) {
let k;
if (y < y1) {
k = 0;
} else {
k = (y1 - y) / (y1 - y2);
}
xa = x1 - (x1 - x2) * k;
car = c1r - (c1r - c2r) * k;
cag = c1g - (c1g - c2g) * k;
cab = c1b - (c1b - c2b) * k;
} else {
let k;
if (y > y3) {
k = 1;
} else if (y2 === y3) {
k = 0;
} else {
k = (y2 - y) / (y2 - y3);
}
xa = x2 - (x2 - x3) * k;
car = c2r - (c2r - c3r) * k;
cag = c2g - (c2g - c3g) * k;
cab = c2b - (c2b - c3b) * k;
}
let k;
if (y < y1) {
k = 0;
} else if (y > y3) {
k = 1;
} else {
k = (y1 - y) / (y1 - y3);
}
xb = x1 - (x1 - x3) * k;
cbr = c1r - (c1r - c3r) * k;
cbg = c1g - (c1g - c3g) * k;
cbb = c1b - (c1b - c3b) * k;
const x1_ = Math.round(Math.min(xa, xb));
const x2_ = Math.round(Math.max(xa, xb));
let j = rowSize * y + x1_ * 4;
for (let x = x1_; x <= x2_; x++) {
k = (xa - x) / (xa - xb);
if (k < 0) {
k = 0;
} else if (k > 1) {
k = 1;
}
bytes[j++] = car - (car - cbr) * k | 0;
bytes[j++] = cag - (cag - cbg) * k | 0;
bytes[j++] = cab - (cab - cbb) * k | 0;
bytes[j++] = 255;
}
}
}
function drawFigure(data, figure, context) {
const ps = figure.coords;
const cs = figure.colors;
let i, ii;
switch (figure.type) {
case "lattice":
const verticesPerRow = figure.verticesPerRow;
const rows = Math.floor(ps.length / verticesPerRow) - 1;
const cols = verticesPerRow - 1;
for (i = 0; i < rows; i++) {
let q = i * verticesPerRow;
for (let j = 0; j < cols; j++, q++) {
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
}
}
break;
case "triangles":
for (i = 0, ii = ps.length; i < ii; i += 3) {
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
}
break;
default:
throw new Error("illegal figure");
}
}
class MeshShadingPattern extends BaseShadingPattern {
constructor(IR) {
super();
this._coords = IR[2];
this._colors = IR[3];
this._figures = IR[4];
this._bounds = IR[5];
this._bbox = IR[7];
this._background = IR[8];
this.matrix = null;
}
_createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
const EXPECTED_SCALE = 1.1;
const MAX_PATTERN_SIZE = 3000;
const BORDER_SIZE = 2;
const offsetX = Math.floor(this._bounds[0]);
const offsetY = Math.floor(this._bounds[1]);
const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
const scaleX = boundsWidth / width;
const scaleY = boundsHeight / height;
const context = {
coords: this._coords,
colors: this._colors,
offsetX: -offsetX,
offsetY: -offsetY,
scaleX: 1 / scaleX,
scaleY: 1 / scaleY
};
const paddedWidth = width + BORDER_SIZE * 2;
const paddedHeight = height + BORDER_SIZE * 2;
const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
const tmpCtx = tmpCanvas.context;
const data = tmpCtx.createImageData(width, height);
if (backgroundColor) {
const bytes = data.data;
for (let i = 0, ii = bytes.length; i < ii; i += 4) {
bytes[i] = backgroundColor[0];
bytes[i + 1] = backgroundColor[1];
bytes[i + 2] = backgroundColor[2];
bytes[i + 3] = 255;
}
}
for (const figure of this._figures) {
drawFigure(data, figure, context);
}
tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
const canvas = tmpCanvas.canvas;
return {
canvas,
offsetX: offsetX - BORDER_SIZE * scaleX,
offsetY: offsetY - BORDER_SIZE * scaleY,
scaleX,
scaleY
};
}
getPattern(ctx, owner, inverse, pathType) {
applyBoundingBox(ctx, this._bbox);
let scale;
if (pathType === PathType.SHADING) {
scale = _util.Util.singularValueDecompose2dScale((0, _display_utils.getCurrentTransform)(ctx));
} else {
scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
if (this.matrix) {
const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
}
}
const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
if (pathType !== PathType.SHADING) {
ctx.setTransform(...owner.baseTransform);
if (this.matrix) {
ctx.transform(...this.matrix);
}
}
ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
}
}
class DummyShadingPattern extends BaseShadingPattern {
getPattern() {
return "hotpink";
}
}
function getShadingPattern(IR) {
switch (IR[0]) {
case "RadialAxial":
return new RadialAxialShadingPattern(IR);
case "Mesh":
return new MeshShadingPattern(IR);
case "Dummy":
return new DummyShadingPattern();
}
throw new Error(`Unknown IR type: ${IR[0]}`);
}
const PaintType = {
COLORED: 1,
UNCOLORED: 2
};
class TilingPattern {
static get MAX_PATTERN_SIZE() {
return (0, _util.shadow)(this, "MAX_PATTERN_SIZE", 3000);
}
constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
this.operatorList = IR[2];
this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
this.bbox = IR[4];
this.xstep = IR[5];
this.ystep = IR[6];
this.paintType = IR[7];
this.tilingType = IR[8];
this.color = color;
this.ctx = ctx;
this.canvasGraphicsFactory = canvasGraphicsFactory;
this.baseTransform = baseTransform;
}
createPatternCanvas(owner) {
const operatorList = this.operatorList;
const bbox = this.bbox;
const xstep = this.xstep;
const ystep = this.ystep;
const paintType = this.paintType;
const tilingType = this.tilingType;
const color = this.color;
const canvasGraphicsFactory = this.canvasGraphicsFactory;
(0, _util.info)("TilingType: " + tilingType);
const x0 = bbox[0],
y0 = bbox[1],
x1 = bbox[2],
y1 = bbox[3];
const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
const curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
const tmpCtx = tmpCanvas.context;
const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
graphics.groupLevel = owner.groupLevel;
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
let adjustedX0 = x0;
let adjustedY0 = y0;
let adjustedX1 = x1;
let adjustedY1 = y1;
if (x0 < 0) {
adjustedX0 = 0;
adjustedX1 += Math.abs(x0);
}
if (y0 < 0) {
adjustedY0 = 0;
adjustedY1 += Math.abs(y0);
}
tmpCtx.translate(-(dimx.scale * adjustedX0), -(dimy.scale * adjustedY0));
graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
tmpCtx.save();
this.clipBbox(graphics, adjustedX0, adjustedY0, adjustedX1, adjustedY1);
graphics.baseTransform = (0, _display_utils.getCurrentTransform)(graphics.ctx);
graphics.executeOperatorList(operatorList);
graphics.endDrawing();
return {
canvas: tmpCanvas.canvas,
scaleX: dimx.scale,
scaleY: dimy.scale,
offsetX: adjustedX0,
offsetY: adjustedY0
};
}
getSizeAndScale(step, realOutputSize, scale) {
step = Math.abs(step);
const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
let size = Math.ceil(step * scale);
if (size >= maxSize) {
size = maxSize;
} else {
scale = size / step;
}
return {
scale,
size
};
}
clipBbox(graphics, x0, y0, x1, y1) {
const bboxWidth = x1 - x0;
const bboxHeight = y1 - y0;
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
graphics.current.updateRectMinMax((0, _display_utils.getCurrentTransform)(graphics.ctx), [x0, y0, x1, y1]);
graphics.clip();
graphics.endPath();
}
setFillAndStrokeStyleToContext(graphics, paintType, color) {
const context = graphics.ctx,
current = graphics.current;
switch (paintType) {
case PaintType.COLORED:
const ctx = this.ctx;
context.fillStyle = ctx.fillStyle;
context.strokeStyle = ctx.strokeStyle;
current.fillColor = ctx.fillStyle;
current.strokeColor = ctx.strokeStyle;
break;
case PaintType.UNCOLORED:
const cssColor = _util.Util.makeHexColor(color[0], color[1], color[2]);
context.fillStyle = cssColor;
context.strokeStyle = cssColor;
current.fillColor = cssColor;
current.strokeColor = cssColor;
break;
default:
throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
}
}
getPattern(ctx, owner, inverse, pathType) {
let matrix = inverse;
if (pathType !== PathType.SHADING) {
matrix = _util.Util.transform(matrix, owner.baseTransform);
if (this.matrix) {
matrix = _util.Util.transform(matrix, this.matrix);
}
}
const temporaryPatternCanvas = this.createPatternCanvas(owner);
let domMatrix = new DOMMatrix(matrix);
domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
pattern.setTransform(domMatrix);
return pattern;
}
}
exports.TilingPattern = TilingPattern;
/***/ }),
/* 13 */
/***/ ((__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
};
}
/***/ }),
/* 14 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.GlobalWorkerOptions = void 0;
const GlobalWorkerOptions = Object.create(null);
exports.GlobalWorkerOptions = GlobalWorkerOptions;
GlobalWorkerOptions.workerPort = null;
GlobalWorkerOptions.workerSrc = "";
/***/ }),
/* 15 */
/***/ ((__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;
/***/ }),
/* 16 */
/***/ ((__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;
/***/ }),
/* 17 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.OptionalContentConfig = void 0;
var _util = __w_pdfjs_require__(1);
var _murmurhash = __w_pdfjs_require__(8);
const INTERNAL = Symbol("INTERNAL");
class OptionalContentGroup {
#visible = true;
constructor(name, intent) {
this.name = name;
this.intent = intent;
}
get visible() {
return this.#visible;
}
_setVisible(internal, visible) {
if (internal !== INTERNAL) {
(0, _util.unreachable)("Internal method `_setVisible` called.");
}
this.#visible = visible;
}
}
class OptionalContentConfig {
#cachedGetHash = null;
#groups = new Map();
#initialHash = null;
#order = null;
constructor(data) {
this.name = null;
this.creator = null;
if (data === null) {
return;
}
this.name = data.name;
this.creator = data.creator;
this.#order = data.order;
for (const group of data.groups) {
this.#groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
}
if (data.baseState === "OFF") {
for (const group of this.#groups.values()) {
group._setVisible(INTERNAL, false);
}
}
for (const on of data.on) {
this.#groups.get(on)._setVisible(INTERNAL, true);
}
for (const off of data.off) {
this.#groups.get(off)._setVisible(INTERNAL, false);
}
this.#initialHash = this.getHash();
}
#evaluateVisibilityExpression(array) {
const length = array.length;
if (length < 2) {
return true;
}
const operator = array[0];
for (let i = 1; i < length; i++) {
const element = array[i];
let state;
if (Array.isArray(element)) {
state = this.#evaluateVisibilityExpression(element);
} else if (this.#groups.has(element)) {
state = this.#groups.get(element).visible;
} else {
(0, _util.warn)(`Optional content group not found: ${element}`);
return true;
}
switch (operator) {
case "And":
if (!state) {
return false;
}
break;
case "Or":
if (state) {
return true;
}
break;
case "Not":
return !state;
default:
return true;
}
}
return operator === "And";
}
isVisible(group) {
if (this.#groups.size === 0) {
return true;
}
if (!group) {
(0, _util.warn)("Optional content group not defined.");
return true;
}
if (group.type === "OCG") {
if (!this.#groups.has(group.id)) {
(0, _util.warn)(`Optional content group not found: ${group.id}`);
return true;
}
return this.#groups.get(group.id).visible;
} else if (group.type === "OCMD") {
if (group.expression) {
return this.#evaluateVisibilityExpression(group.expression);
}
if (!group.policy || group.policy === "AnyOn") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
(0, _util.warn)(`Optional content group not found: ${id}`);
return true;
}
if (this.#groups.get(id).visible) {
return true;
}
}
return false;
} else if (group.policy === "AllOn") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
(0, _util.warn)(`Optional content group not found: ${id}`);
return true;
}
if (!this.#groups.get(id).visible) {
return false;
}
}
return true;
} else if (group.policy === "AnyOff") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
(0, _util.warn)(`Optional content group not found: ${id}`);
return true;
}
if (!this.#groups.get(id).visible) {
return true;
}
}
return false;
} else if (group.policy === "AllOff") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
(0, _util.warn)(`Optional content group not found: ${id}`);
return true;
}
if (this.#groups.get(id).visible) {
return false;
}
}
return true;
}
(0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
return true;
}
(0, _util.warn)(`Unknown group type ${group.type}.`);
return true;
}
setVisibility(id, visible = true) {
if (!this.#groups.has(id)) {
(0, _util.warn)(`Optional content group not found: ${id}`);
return;
}
this.#groups.get(id)._setVisible(INTERNAL, !!visible);
this.#cachedGetHash = null;
}
get hasInitialVisibility() {
return this.getHash() === this.#initialHash;
}
getOrder() {
if (!this.#groups.size) {
return null;
}
if (this.#order) {
return this.#order.slice();
}
return [...this.#groups.keys()];
}
getGroups() {
return this.#groups.size > 0 ? (0, _util.objectFromMap)(this.#groups) : null;
}
getGroup(id) {
return this.#groups.get(id) || null;
}
getHash() {
if (this.#cachedGetHash !== null) {
return this.#cachedGetHash;
}
const hash = new _murmurhash.MurmurHash3_64();
for (const [id, group] of this.#groups) {
hash.update(`${id}:${group.visible}`);
}
return this.#cachedGetHash = hash.hexdigest();
}
}
exports.OptionalContentConfig = OptionalContentConfig;
/***/ }),
/* 18 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFDataTransportStream = void 0;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
class PDFDataTransportStream {
constructor({
length,
initialData,
progressiveDone = false,
contentDispositionFilename = null,
disableRange = false,
disableStream = false
}, pdfDataRangeTransport) {
(0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
this._queuedChunks = [];
this._progressiveDone = progressiveDone;
this._contentDispositionFilename = contentDispositionFilename;
if (initialData?.length > 0) {
const buffer = initialData instanceof Uint8Array && initialData.byteLength === initialData.buffer.byteLength ? initialData.buffer : new Uint8Array(initialData).buffer;
this._queuedChunks.push(buffer);
}
this._pdfDataRangeTransport = pdfDataRangeTransport;
this._isStreamingSupported = !disableStream;
this._isRangeSupported = !disableRange;
this._contentLength = 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({
begin,
chunk
}) {
const buffer = chunk instanceof Uint8Array && chunk.byteLength === chunk.buffer.byteLength ? chunk.buffer : new Uint8Array(chunk).buffer;
if (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 !== begin) {
return false;
}
rangeReader._enqueue(buffer);
return true;
});
(0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
}
}
get _progressiveDataLength() {
return this._fullRequestReader?._loaded ?? 0;
}
_onProgress(evt) {
if (evt.total === undefined) {
this._rangeReaders[0]?.onProgress?.({
loaded: evt.loaded
});
} else {
this._fullRequestReader?.onProgress?.({
loaded: evt.loaded,
total: evt.total
});
}
}
_onProgressiveDone() {
this._fullRequestReader?.progressiveDone();
this._progressiveDone = true;
}
_removeRangeReader(reader) {
const i = this._rangeReaders.indexOf(reader);
if (i >= 0) {
this._rangeReaders.splice(i, 1);
}
}
getFullReader() {
(0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
const queuedChunks = this._queuedChunks;
this._queuedChunks = null;
return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
}
getRangeReader(begin, end) {
if (end <= this._progressiveDataLength) {
return null;
}
const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
this._pdfDataRangeTransport.requestDataRange(begin, end);
this._rangeReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeReaders.slice(0)) {
reader.cancel(reason);
}
this._pdfDataRangeTransport.abort();
}
}
exports.PDFDataTransportStream = PDFDataTransportStream;
class PDFDataTransportStreamReader {
constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
this._stream = stream;
this._done = progressiveDone || false;
this._filename = (0, _display_utils.isPdfFile)(contentDispositionFilename) ? contentDispositionFilename : null;
this._queuedChunks = queuedChunks || [];
this._loaded = 0;
for (const chunk of this._queuedChunks) {
this._loaded += chunk.byteLength;
}
this._requests = [];
this._headersReady = Promise.resolve();
stream._fullRequestReader = this;
this.onProgress = null;
}
_enqueue(chunk) {
if (this._done) {
return;
}
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: chunk,
done: false
});
} else {
this._queuedChunks.push(chunk);
}
this._loaded += chunk.byteLength;
}
get headersReady() {
return this._headersReady;
}
get filename() {
return this._filename;
}
get isRangeSupported() {
return this._stream._isRangeSupported;
}
get isStreamingSupported() {
return this._stream._isStreamingSupported;
}
get contentLength() {
return this._stream._contentLength;
}
async read() {
if (this._queuedChunks.length > 0) {
const chunk = this._queuedChunks.shift();
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = (0, _util.createPromiseCapability)();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
progressiveDone() {
if (this._done) {
return;
}
this._done = true;
}
}
class PDFDataTransportStreamRangeReader {
constructor(stream, begin, end) {
this._stream = stream;
this._begin = begin;
this._end = end;
this._queuedChunk = null;
this._requests = [];
this._done = false;
this.onProgress = null;
}
_enqueue(chunk) {
if (this._done) {
return;
}
if (this._requests.length === 0) {
this._queuedChunk = chunk;
} else {
const requestsCapability = this._requests.shift();
requestsCapability.resolve({
value: chunk,
done: false
});
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
this._done = true;
this._stream._removeRangeReader(this);
}
get isStreamingSupported() {
return false;
}
async read() {
if (this._queuedChunk) {
const chunk = this._queuedChunk;
this._queuedChunk = null;
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = (0, _util.createPromiseCapability)();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
this._stream._removeRangeReader(this);
}
}
/***/ }),
/* 19 */
/***/ ((__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;
/***/ }),
/* 20 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0;
var _base_factory = __w_pdfjs_require__(7);
;
const fetchData = function (url) {
return new Promise((resolve, reject) => {
const fs = require("fs");
fs.readFile(url, (error, data) => {
if (error || !data) {
reject(new Error(error));
return;
}
resolve(new Uint8Array(data));
});
});
};
class NodeCanvasFactory extends _base_factory.BaseCanvasFactory {
_createCanvas(width, height) {
const Canvas = require("canvas");
return Canvas.createCanvas(width, height);
}
}
exports.NodeCanvasFactory = NodeCanvasFactory;
class NodeCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
_fetchData(url, compressionType) {
return fetchData(url).then(data => {
return {
cMapData: data,
compressionType
};
});
}
}
exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
class NodeStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
_fetchData(url) {
return fetchData(url);
}
}
exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory;
/***/ }),
/* 21 */
/***/ ((__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__(22);
;
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) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
exports.PDFNodeStream = PDFNodeStream;
class BaseFullReader {
constructor(stream) {
this._url = stream.url;
this._done = false;
this._storedError = null;
this.onProgress = null;
const source = stream.source;
this._contentLength = source.length;
this._loaded = 0;
this._filename = null;
this._disableRange = source.disableRange || false;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._isStreamingSupported = !source.disableStream;
this._isRangeSupported = !source.disableRange;
this._readableStream = null;
this._readCapability = (0, _util.createPromiseCapability)();
this._headersCapability = (0, _util.createPromiseCapability)();
}
get headersReady() {
return this._headersCapability.promise;
}
get filename() {
return this._filename;
}
get contentLength() {
return this._contentLength;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
if (this._done) {
return {
value: undefined,
done: true
};
}
if (this._storedError) {
throw this._storedError;
}
const chunk = this._readableStream.read();
if (chunk === null) {
this._readCapability = (0, _util.createPromiseCapability)();
return this.read();
}
this._loaded += chunk.length;
this.onProgress?.({
loaded: this._loaded,
total: this._contentLength
});
const buffer = new Uint8Array(chunk).buffer;
return {
value: buffer,
done: false
};
}
cancel(reason) {
if (!this._readableStream) {
this._error(reason);
return;
}
this._readableStream.destroy(reason);
}
_error(reason) {
this._storedError = reason;
this._readCapability.resolve();
}
_setReadableStream(readableStream) {
this._readableStream = readableStream;
readableStream.on("readable", () => {
this._readCapability.resolve();
});
readableStream.on("end", () => {
readableStream.destroy();
this._done = true;
this._readCapability.resolve();
});
readableStream.on("error", reason => {
this._error(reason);
});
if (!this._isStreamingSupported && this._isRangeSupported) {
this._error(new _util.AbortException("streaming is disabled"));
}
if (this._storedError) {
this._readableStream.destroy(this._storedError);
}
}
}
class BaseRangeReader {
constructor(stream) {
this._url = stream.url;
this._done = false;
this._storedError = null;
this.onProgress = null;
this._loaded = 0;
this._readableStream = null;
this._readCapability = (0, _util.createPromiseCapability)();
const source = stream.source;
this._isStreamingSupported = !source.disableStream;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
if (this._done) {
return {
value: undefined,
done: true
};
}
if (this._storedError) {
throw this._storedError;
}
const chunk = this._readableStream.read();
if (chunk === null) {
this._readCapability = (0, _util.createPromiseCapability)();
return this.read();
}
this._loaded += chunk.length;
this.onProgress?.({
loaded: this._loaded
});
const buffer = new Uint8Array(chunk).buffer;
return {
value: buffer,
done: false
};
}
cancel(reason) {
if (!this._readableStream) {
this._error(reason);
return;
}
this._readableStream.destroy(reason);
}
_error(reason) {
this._storedError = reason;
this._readCapability.resolve();
}
_setReadableStream(readableStream) {
this._readableStream = readableStream;
readableStream.on("readable", () => {
this._readCapability.resolve();
});
readableStream.on("end", () => {
readableStream.destroy();
this._done = true;
this._readCapability.resolve();
});
readableStream.on("error", reason => {
this._error(reason);
});
if (this._storedError) {
this._readableStream.destroy(this._storedError);
}
}
}
function createRequestOptions(parsedUrl, headers) {
return {
protocol: parsedUrl.protocol,
auth: parsedUrl.auth,
host: parsedUrl.hostname,
port: parsedUrl.port,
path: parsedUrl.path,
method: "GET",
headers
};
}
class PDFNodeStreamFullReader extends BaseFullReader {
constructor(stream) {
super(stream);
const handleResponse = response => {
if (response.statusCode === 404) {
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
this._storedError = error;
this._headersCapability.reject(error);
return;
}
this._headersCapability.resolve();
this._setReadableStream(response);
const getResponseHeader = name => {
return this._readableStream.headers[name.toLowerCase()];
};
const {
allowRangeRequests,
suggestedLength
} = (0, _network_utils.validateRangeRequestCapabilities)({
getResponseHeader,
isHttp: stream.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
this._isRangeSupported = allowRangeRequests;
this._contentLength = suggestedLength || this._contentLength;
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
};
this._request = null;
if (this._url.protocol === "http:") {
this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
} else {
this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
}
this._request.on("error", reason => {
this._storedError = reason;
this._headersCapability.reject(reason);
});
this._request.end();
}
}
class PDFNodeStreamRangeReader extends BaseRangeReader {
constructor(stream, start, end) {
super(stream);
this._httpHeaders = {};
for (const property in stream.httpHeaders) {
const value = stream.httpHeaders[property];
if (value === undefined) {
continue;
}
this._httpHeaders[property] = value;
}
this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
const handleResponse = response => {
if (response.statusCode === 404) {
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
this._storedError = error;
return;
}
this._setReadableStream(response);
};
this._request = null;
if (this._url.protocol === "http:") {
this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
} else {
this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
}
this._request.on("error", reason => {
this._storedError = reason;
});
this._request.end();
}
}
class PDFNodeStreamFsFullReader extends BaseFullReader {
constructor(stream) {
super(stream);
let path = decodeURIComponent(this._url.path);
if (fileUriRegex.test(this._url.href)) {
path = path.replace(/^\//, "");
}
fs.lstat(path, (error, stat) => {
if (error) {
if (error.code === "ENOENT") {
error = new _util.MissingPDFException(`Missing PDF "${path}".`);
}
this._storedError = error;
this._headersCapability.reject(error);
return;
}
this._contentLength = stat.size;
this._setReadableStream(fs.createReadStream(path));
this._headersCapability.resolve();
});
}
}
class PDFNodeStreamFsRangeReader extends BaseRangeReader {
constructor(stream, start, end) {
super(stream);
let path = decodeURIComponent(this._url.path);
if (fileUriRegex.test(this._url.href)) {
path = path.replace(/^\//, "");
}
this._setReadableStream(fs.createReadStream(path, {
start,
end: end - 1
}));
}
}
/***/ }),
/* 22 */
/***/ ((__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__(23);
var _display_utils = __w_pdfjs_require__(6);
function validateRangeRequestCapabilities({
getResponseHeader,
isHttp,
rangeChunkSize,
disableRange
}) {
const returnValues = {
allowRangeRequests: false,
suggestedLength: undefined
};
const length = parseInt(getResponseHeader("Content-Length"), 10);
if (!Number.isInteger(length)) {
return returnValues;
}
returnValues.suggestedLength = length;
if (length <= 2 * rangeChunkSize) {
return returnValues;
}
if (disableRange || !isHttp) {
return returnValues;
}
if (getResponseHeader("Accept-Ranges") !== "bytes") {
return returnValues;
}
const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
if (contentEncoding !== "identity") {
return returnValues;
}
returnValues.allowRangeRequests = true;
return returnValues;
}
function extractFilenameFromHeader(getResponseHeader) {
const contentDisposition = getResponseHeader("Content-Disposition");
if (contentDisposition) {
let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
if (filename.includes("%")) {
try {
filename = decodeURIComponent(filename);
} catch (ex) {}
}
if ((0, _display_utils.isPdfFile)(filename)) {
return filename;
}
}
return null;
}
function createResponseStatusError(status, url) {
if (status === 404 || status === 0 && url.startsWith("file:")) {
return new _util.MissingPDFException('Missing PDF "' + url + '".');
}
return new _util.UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
}
function validateResponseStatus(status) {
return status === 200 || status === 206;
}
/***/ }),
/* 23 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
var _util = __w_pdfjs_require__(1);
function getFilenameFromContentDispositionHeader(contentDisposition) {
let needsEncodingFixup = true;
let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
if (tmp) {
tmp = tmp[1];
let filename = rfc2616unquote(tmp);
filename = unescape(filename);
filename = rfc5987decode(filename);
filename = rfc2047decode(filename);
return fixupEncoding(filename);
}
tmp = rfc2231getparam(contentDisposition);
if (tmp) {
const filename = rfc2047decode(tmp);
return fixupEncoding(filename);
}
tmp = toParamRegExp("filename", "i").exec(contentDisposition);
if (tmp) {
tmp = tmp[1];
let filename = rfc2616unquote(tmp);
filename = rfc2047decode(filename);
return fixupEncoding(filename);
}
function toParamRegExp(attributePattern, flags) {
return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
}
function textdecode(encoding, value) {
if (encoding) {
if (!/^[\x00-\xFF]+$/.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 "";
}
/***/ }),
/* 24 */
/***/ ((__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__(22);
;
const OK_RESPONSE = 200;
const PARTIAL_CONTENT_RESPONSE = 206;
function getArrayBuffer(xhr) {
const data = xhr.response;
if (typeof data !== "string") {
return data;
}
return (0, _util.stringToBytes)(data).buffer;
}
class NetworkManager {
constructor(url, args = {}) {
this.url = url;
this.isHttp = /^https?:/i.test(url);
this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null);
this.withCredentials = args.withCredentials || false;
this.getXhr = args.getXhr || function NetworkManager_getXhr() {
return new XMLHttpRequest();
};
this.currXhrId = 0;
this.pendingRequests = Object.create(null);
}
requestRange(begin, end, listeners) {
const args = {
begin,
end
};
for (const prop in listeners) {
args[prop] = listeners[prop];
}
return this.request(args);
}
requestFull(listeners) {
return this.request(listeners);
}
request(args) {
const xhr = this.getXhr();
const xhrId = this.currXhrId++;
const pendingRequest = this.pendingRequests[xhrId] = {
xhr
};
xhr.open("GET", this.url);
xhr.withCredentials = this.withCredentials;
for (const property in this.httpHeaders) {
const value = this.httpHeaders[property];
if (value === undefined) {
continue;
}
xhr.setRequestHeader(property, value);
}
if (this.isHttp && "begin" in args && "end" in args) {
xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
} else {
pendingRequest.expectedStatus = OK_RESPONSE;
}
xhr.responseType = "arraybuffer";
if (args.onError) {
xhr.onerror = function (evt) {
args.onError(xhr.status);
};
}
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
xhr.onprogress = this.onProgress.bind(this, xhrId);
pendingRequest.onHeadersReceived = args.onHeadersReceived;
pendingRequest.onDone = args.onDone;
pendingRequest.onError = args.onError;
pendingRequest.onProgress = args.onProgress;
xhr.send(null);
return xhrId;
}
onProgress(xhrId, evt) {
const pendingRequest = this.pendingRequests[xhrId];
if (!pendingRequest) {
return;
}
pendingRequest.onProgress?.(evt);
}
onStateChange(xhrId, evt) {
const pendingRequest = this.pendingRequests[xhrId];
if (!pendingRequest) {
return;
}
const xhr = pendingRequest.xhr;
if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
pendingRequest.onHeadersReceived();
delete pendingRequest.onHeadersReceived;
}
if (xhr.readyState !== 4) {
return;
}
if (!(xhrId in this.pendingRequests)) {
return;
}
delete this.pendingRequests[xhrId];
if (xhr.status === 0 && this.isHttp) {
pendingRequest.onError?.(xhr.status);
return;
}
const xhrStatus = xhr.status || OK_RESPONSE;
const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
pendingRequest.onError?.(xhr.status);
return;
}
const chunk = getArrayBuffer(xhr);
if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
const rangeHeader = xhr.getResponseHeader("Content-Range");
const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
pendingRequest.onDone({
begin: parseInt(matches[1], 10),
chunk
});
} else if (chunk) {
pendingRequest.onDone({
begin: 0,
chunk
});
} else {
pendingRequest.onError?.(xhr.status);
}
}
getRequestXhr(xhrId) {
return this.pendingRequests[xhrId].xhr;
}
isPendingRequest(xhrId) {
return xhrId in this.pendingRequests;
}
abortRequest(xhrId) {
const xhr = this.pendingRequests[xhrId].xhr;
delete this.pendingRequests[xhrId];
xhr.abort();
}
}
class PDFNetworkStream {
constructor(source) {
this._source = source;
this._manager = new NetworkManager(source.url, {
httpHeaders: source.httpHeaders,
withCredentials: source.withCredentials
});
this._rangeChunkSize = source.rangeChunkSize;
this._fullRequestReader = null;
this._rangeRequestReaders = [];
}
_onRangeRequestReaderClosed(reader) {
const i = this._rangeRequestReaders.indexOf(reader);
if (i >= 0) {
this._rangeRequestReaders.splice(i, 1);
}
}
getFullReader() {
(0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
return this._fullRequestReader;
}
getRangeReader(begin, end) {
const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
this._rangeRequestReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
exports.PDFNetworkStream = PDFNetworkStream;
class PDFNetworkStreamFullRequestReader {
constructor(manager, source) {
this._manager = manager;
const args = {
onHeadersReceived: this._onHeadersReceived.bind(this),
onDone: this._onDone.bind(this),
onError: this._onError.bind(this),
onProgress: this._onProgress.bind(this)
};
this._url = source.url;
this._fullRequestId = manager.requestFull(args);
this._headersReceivedCapability = (0, _util.createPromiseCapability)();
this._disableRange = source.disableRange || false;
this._contentLength = source.length;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._isStreamingSupported = false;
this._isRangeSupported = false;
this._cachedChunks = [];
this._requests = [];
this._done = false;
this._storedError = undefined;
this._filename = null;
this.onProgress = null;
}
_onHeadersReceived() {
const fullRequestXhrId = this._fullRequestId;
const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
const getResponseHeader = name => {
return fullRequestXhr.getResponseHeader(name);
};
const {
allowRangeRequests,
suggestedLength
} = (0, _network_utils.validateRangeRequestCapabilities)({
getResponseHeader,
isHttp: this._manager.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
if (allowRangeRequests) {
this._isRangeSupported = true;
}
this._contentLength = suggestedLength || this._contentLength;
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
if (this._isRangeSupported) {
this._manager.abortRequest(fullRequestXhrId);
}
this._headersReceivedCapability.resolve();
}
_onDone(data) {
if (data) {
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: data.chunk,
done: false
});
} else {
this._cachedChunks.push(data.chunk);
}
}
this._done = true;
if (this._cachedChunks.length > 0) {
return;
}
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
_onError(status) {
this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
this._headersReceivedCapability.reject(this._storedError);
for (const requestCapability of this._requests) {
requestCapability.reject(this._storedError);
}
this._requests.length = 0;
this._cachedChunks.length = 0;
}
_onProgress(evt) {
this.onProgress?.({
loaded: evt.loaded,
total: evt.lengthComputable ? evt.total : this._contentLength
});
}
get filename() {
return this._filename;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
get contentLength() {
return this._contentLength;
}
get headersReady() {
return this._headersReceivedCapability.promise;
}
async read() {
if (this._storedError) {
throw this._storedError;
}
if (this._cachedChunks.length > 0) {
const chunk = this._cachedChunks.shift();
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = (0, _util.createPromiseCapability)();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
this._headersReceivedCapability.reject(reason);
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
if (this._manager.isPendingRequest(this._fullRequestId)) {
this._manager.abortRequest(this._fullRequestId);
}
this._fullRequestReader = null;
}
}
class PDFNetworkStreamRangeRequestReader {
constructor(manager, begin, end) {
this._manager = manager;
const args = {
onDone: this._onDone.bind(this),
onError: this._onError.bind(this),
onProgress: this._onProgress.bind(this)
};
this._url = manager.url;
this._requestId = manager.requestRange(begin, end, args);
this._requests = [];
this._queuedChunk = null;
this._done = false;
this._storedError = undefined;
this.onProgress = null;
this.onClosed = null;
}
_close() {
this.onClosed?.(this);
}
_onDone(data) {
const chunk = data.chunk;
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: chunk,
done: false
});
} else {
this._queuedChunk = chunk;
}
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
this._close();
}
_onError(status) {
this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
for (const requestCapability of this._requests) {
requestCapability.reject(this._storedError);
}
this._requests.length = 0;
this._queuedChunk = null;
}
_onProgress(evt) {
if (!this.isStreamingSupported) {
this.onProgress?.({
loaded: evt.loaded
});
}
}
get isStreamingSupported() {
return false;
}
async read() {
if (this._storedError) {
throw this._storedError;
}
if (this._queuedChunk !== null) {
const chunk = this._queuedChunk;
this._queuedChunk = null;
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = (0, _util.createPromiseCapability)();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
if (this._manager.isPendingRequest(this._requestId)) {
this._manager.abortRequest(this._requestId);
}
this._close();
}
}
/***/ }),
/* 25 */
/***/ ((__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__(22);
;
function createFetchOptions(headers, withCredentials, abortController) {
return {
method: "GET",
headers,
signal: abortController.signal,
mode: "cors",
credentials: withCredentials ? "include" : "same-origin",
redirect: "follow"
};
}
function createHeaders(httpHeaders) {
const headers = new Headers();
for (const property in httpHeaders) {
const value = httpHeaders[property];
if (value === undefined) {
continue;
}
headers.append(property, value);
}
return headers;
}
function getArrayBuffer(val) {
if (val instanceof Uint8Array) {
return val.buffer;
}
if (val instanceof ArrayBuffer) {
return val;
}
(0, _util.warn)(`getArrayBuffer - unexpected data format: ${val}`);
return new Uint8Array(val).buffer;
}
class PDFFetchStream {
constructor(source) {
this.source = source;
this.isHttp = /^https?:/i.test(source.url);
this.httpHeaders = this.isHttp && source.httpHeaders || {};
this._fullRequestReader = null;
this._rangeRequestReaders = [];
}
get _progressiveDataLength() {
return this._fullRequestReader?._loaded ?? 0;
}
getFullReader() {
(0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
this._fullRequestReader = new PDFFetchStreamReader(this);
return this._fullRequestReader;
}
getRangeReader(begin, end) {
if (end <= this._progressiveDataLength) {
return null;
}
const reader = new PDFFetchStreamRangeReader(this, begin, end);
this._rangeRequestReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
exports.PDFFetchStream = PDFFetchStream;
class PDFFetchStreamReader {
constructor(stream) {
this._stream = stream;
this._reader = null;
this._loaded = 0;
this._filename = null;
const source = stream.source;
this._withCredentials = source.withCredentials || false;
this._contentLength = source.length;
this._headersCapability = (0, _util.createPromiseCapability)();
this._disableRange = source.disableRange || false;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._abortController = new AbortController();
this._isStreamingSupported = !source.disableStream;
this._isRangeSupported = !source.disableRange;
this._headers = createHeaders(this._stream.httpHeaders);
const url = source.url;
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
throw (0, _network_utils.createResponseStatusError)(response.status, url);
}
this._reader = response.body.getReader();
this._headersCapability.resolve();
const getResponseHeader = name => {
return response.headers.get(name);
};
const {
allowRangeRequests,
suggestedLength
} = (0, _network_utils.validateRangeRequestCapabilities)({
getResponseHeader,
isHttp: this._stream.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
this._isRangeSupported = allowRangeRequests;
this._contentLength = suggestedLength || this._contentLength;
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
if (!this._isStreamingSupported && this._isRangeSupported) {
this.cancel(new _util.AbortException("Streaming is disabled."));
}
}).catch(this._headersCapability.reject);
this.onProgress = null;
}
get headersReady() {
return this._headersCapability.promise;
}
get filename() {
return this._filename;
}
get contentLength() {
return this._contentLength;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._headersCapability.promise;
const {
value,
done
} = await this._reader.read();
if (done) {
return {
value,
done
};
}
this._loaded += value.byteLength;
this.onProgress?.({
loaded: this._loaded,
total: this._contentLength
});
return {
value: getArrayBuffer(value),
done: false
};
}
cancel(reason) {
this._reader?.cancel(reason);
this._abortController.abort();
}
}
class PDFFetchStreamRangeReader {
constructor(stream, begin, end) {
this._stream = stream;
this._reader = null;
this._loaded = 0;
const source = stream.source;
this._withCredentials = source.withCredentials || false;
this._readCapability = (0, _util.createPromiseCapability)();
this._isStreamingSupported = !source.disableStream;
this._abortController = new AbortController();
this._headers = createHeaders(this._stream.httpHeaders);
this._headers.append("Range", `bytes=${begin}-${end - 1}`);
const url = source.url;
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
throw (0, _network_utils.createResponseStatusError)(response.status, url);
}
this._readCapability.resolve();
this._reader = response.body.getReader();
}).catch(this._readCapability.reject);
this.onProgress = null;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
const {
value,
done
} = await this._reader.read();
if (done) {
return {
value,
done
};
}
this._loaded += value.byteLength;
this.onProgress?.({
loaded: this._loaded
});
return {
value: getArrayBuffer(value),
done: false
};
}
cancel(reason) {
this._reader?.cancel(reason);
this._abortController.abort();
}
}
/***/ }),
/* 26 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.TextLayerRenderTask = void 0;
exports.renderTextLayer = renderTextLayer;
exports.updateTextLayer = updateTextLayer;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
const MAX_TEXT_DIVS_TO_RENDER = 100000;
const DEFAULT_FONT_SIZE = 30;
const DEFAULT_FONT_ASCENT = 0.8;
const ascentCache = new Map();
function getCtx(size, isOffscreenCanvasSupported) {
let ctx;
if (isOffscreenCanvasSupported && _util.FeatureTest.isOffscreenCanvasSupported) {
ctx = new OffscreenCanvas(size, size).getContext("2d", {
alpha: false
});
} else {
const canvas = document.createElement("canvas");
canvas.width = canvas.height = size;
ctx = canvas.getContext("2d", {
alpha: false
});
}
return ctx;
}
function getAscent(fontFamily, isOffscreenCanvasSupported) {
const cachedAscent = ascentCache.get(fontFamily);
if (cachedAscent) {
return cachedAscent;
}
const ctx = getCtx(DEFAULT_FONT_SIZE, isOffscreenCanvasSupported);
ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`;
const metrics = ctx.measureText("");
let ascent = metrics.fontBoundingBoxAscent;
let descent = Math.abs(metrics.fontBoundingBoxDescent);
if (ascent) {
const ratio = ascent / (ascent + descent);
ascentCache.set(fontFamily, ratio);
ctx.canvas.width = ctx.canvas.height = 0;
return ratio;
}
ctx.strokeStyle = "red";
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
ctx.strokeText("g", 0, 0);
let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
descent = 0;
for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
if (pixels[i] > 0) {
descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
break;
}
}
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
ascent = 0;
for (let i = 0, ii = pixels.length; i < ii; i += 4) {
if (pixels[i] > 0) {
ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
break;
}
}
ctx.canvas.width = ctx.canvas.height = 0;
if (ascent) {
const ratio = ascent / (ascent + descent);
ascentCache.set(fontFamily, ratio);
return ratio;
}
ascentCache.set(fontFamily, DEFAULT_FONT_ASCENT);
return DEFAULT_FONT_ASCENT;
}
function appendText(task, geom, styles) {
const textDiv = document.createElement("span");
const textDivProperties = {
angle: 0,
canvasWidth: 0,
hasText: geom.str !== "",
hasEOL: geom.hasEOL,
fontSize: 0
};
task._textDivs.push(textDiv);
const tx = _util.Util.transform(task._transform, geom.transform);
let angle = Math.atan2(tx[1], tx[0]);
const style = styles[geom.fontName];
if (style.vertical) {
angle += Math.PI / 2;
}
const fontHeight = Math.hypot(tx[2], tx[3]);
const fontAscent = fontHeight * getAscent(style.fontFamily, task._isOffscreenCanvasSupported);
let left, top;
if (angle === 0) {
left = tx[4];
top = tx[5] - fontAscent;
} else {
left = tx[4] + fontAscent * Math.sin(angle);
top = tx[5] - fontAscent * Math.cos(angle);
}
const scaleFactorStr = "calc(var(--scale-factor)*";
const divStyle = textDiv.style;
if (task._container === task._rootContainer) {
divStyle.left = `${(100 * left / task._pageWidth).toFixed(2)}%`;
divStyle.top = `${(100 * top / task._pageHeight).toFixed(2)}%`;
} else {
divStyle.left = `${scaleFactorStr}${left.toFixed(2)}px)`;
divStyle.top = `${scaleFactorStr}${top.toFixed(2)}px)`;
}
divStyle.fontSize = `${scaleFactorStr}${fontHeight.toFixed(2)}px)`;
divStyle.fontFamily = style.fontFamily;
textDivProperties.fontSize = fontHeight;
textDiv.setAttribute("role", "presentation");
textDiv.textContent = geom.str;
textDiv.dir = geom.dir;
if (task._fontInspectorEnabled) {
textDiv.dataset.fontName = geom.fontName;
}
if (angle !== 0) {
textDivProperties.angle = angle * (180 / Math.PI);
}
let shouldScaleText = false;
if (geom.str.length > 1) {
shouldScaleText = true;
} else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
const absScaleX = Math.abs(geom.transform[0]),
absScaleY = Math.abs(geom.transform[3]);
if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
shouldScaleText = true;
}
}
if (shouldScaleText) {
textDivProperties.canvasWidth = style.vertical ? geom.height : geom.width;
}
task._textDivProperties.set(textDiv, textDivProperties);
if (task._isReadableStream) {
task._layoutText(textDiv);
}
}
function layout(params) {
const {
div,
scale,
properties,
ctx,
prevFontSize,
prevFontFamily
} = params;
const {
style
} = div;
let transform = "";
if (properties.canvasWidth !== 0 && properties.hasText) {
const {
fontFamily
} = style;
const {
canvasWidth,
fontSize
} = properties;
if (prevFontSize !== fontSize || prevFontFamily !== fontFamily) {
ctx.font = `${fontSize * scale}px ${fontFamily}`;
params.prevFontSize = fontSize;
params.prevFontFamily = fontFamily;
}
const {
width
} = ctx.measureText(div.textContent);
if (width > 0) {
transform = `scaleX(${canvasWidth * scale / width})`;
}
}
if (properties.angle !== 0) {
transform = `rotate(${properties.angle}deg) ${transform}`;
}
if (transform.length > 0) {
style.transform = transform;
}
}
function render(task) {
if (task._canceled) {
return;
}
const textDivs = task._textDivs;
const capability = task._capability;
const textDivsLength = textDivs.length;
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
capability.resolve();
return;
}
if (!task._isReadableStream) {
for (const textDiv of textDivs) {
task._layoutText(textDiv);
}
}
capability.resolve();
}
class TextLayerRenderTask {
constructor({
textContentSource,
container,
viewport,
textDivs,
textDivProperties,
textContentItemsStr,
isOffscreenCanvasSupported
}) {
this._textContentSource = textContentSource;
this._isReadableStream = textContentSource instanceof ReadableStream;
this._container = this._rootContainer = container;
this._textDivs = textDivs || [];
this._textContentItemsStr = textContentItemsStr || [];
this._isOffscreenCanvasSupported = isOffscreenCanvasSupported;
this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
this._reader = null;
this._textDivProperties = textDivProperties || new WeakMap();
this._canceled = false;
this._capability = (0, _util.createPromiseCapability)();
this._layoutTextParams = {
prevFontSize: null,
prevFontFamily: null,
div: null,
scale: viewport.scale * (globalThis.devicePixelRatio || 1),
properties: null,
ctx: getCtx(0, isOffscreenCanvasSupported)
};
const {
pageWidth,
pageHeight,
pageX,
pageY
} = viewport.rawDims;
this._transform = [1, 0, 0, -1, -pageX, pageY + pageHeight];
this._pageWidth = pageWidth;
this._pageHeight = pageHeight;
(0, _display_utils.setLayerDimensions)(container, viewport);
this._capability.promise.finally(() => {
this._layoutTextParams = null;
}).catch(() => {});
}
get promise() {
return this._capability.promise;
}
cancel() {
this._canceled = true;
if (this._reader) {
this._reader.cancel(new _util.AbortException("TextLayer task cancelled.")).catch(() => {});
this._reader = null;
}
this._capability.reject(new _util.AbortException("TextLayer task cancelled."));
}
_processItems(items, styleCache) {
for (const item of items) {
if (item.str === undefined) {
if (item.type === "beginMarkedContentProps" || item.type === "beginMarkedContent") {
const parent = this._container;
this._container = document.createElement("span");
this._container.classList.add("markedContent");
if (item.id !== null) {
this._container.setAttribute("id", `${item.id}`);
}
parent.append(this._container);
} else if (item.type === "endMarkedContent") {
this._container = this._container.parentNode;
}
continue;
}
this._textContentItemsStr.push(item.str);
appendText(this, item, styleCache);
}
}
_layoutText(textDiv) {
const textDivProperties = this._layoutTextParams.properties = this._textDivProperties.get(textDiv);
this._layoutTextParams.div = textDiv;
layout(this._layoutTextParams);
if (textDivProperties.hasText) {
this._container.append(textDiv);
}
if (textDivProperties.hasEOL) {
const br = document.createElement("br");
br.setAttribute("role", "presentation");
this._container.append(br);
}
}
_render() {
const capability = (0, _util.createPromiseCapability)();
let styleCache = Object.create(null);
if (this._isReadableStream) {
const pump = () => {
this._reader.read().then(({
value,
done
}) => {
if (done) {
capability.resolve();
return;
}
Object.assign(styleCache, value.styles);
this._processItems(value.items, styleCache);
pump();
}, capability.reject);
};
this._reader = this._textContentSource.getReader();
pump();
} else if (this._textContentSource) {
const {
items,
styles
} = this._textContentSource;
this._processItems(items, styles);
capability.resolve();
} else {
throw new Error('No "textContentSource" parameter specified.');
}
capability.promise.then(() => {
styleCache = null;
render(this);
}, this._capability.reject);
}
}
exports.TextLayerRenderTask = TextLayerRenderTask;
function renderTextLayer(params) {
if (!params.textContentSource && (params.textContent || params.textContentStream)) {
(0, _display_utils.deprecated)("The TextLayerRender `textContent`/`textContentStream` parameters " + "will be removed in the future, please use `textContentSource` instead.");
params.textContentSource = params.textContent || params.textContentStream;
}
const task = new TextLayerRenderTask(params);
task._render();
return task;
}
function updateTextLayer({
container,
viewport,
textDivs,
textDivProperties,
isOffscreenCanvasSupported,
mustRotate = true,
mustRescale = true
}) {
if (mustRotate) {
(0, _display_utils.setLayerDimensions)(container, {
rotation: viewport.rotation
});
}
if (mustRescale) {
const ctx = getCtx(0, isOffscreenCanvasSupported);
const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
const params = {
prevFontSize: null,
prevFontFamily: null,
div: null,
scale,
properties: null,
ctx
};
for (const div of textDivs) {
params.properties = textDivProperties.get(div);
params.div = div;
layout(params);
}
}
}
/***/ }),
/* 27 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.AnnotationEditorLayer = void 0;
var _util = __w_pdfjs_require__(1);
var _tools = __w_pdfjs_require__(5);
var _freetext = __w_pdfjs_require__(28);
var _ink = __w_pdfjs_require__(29);
var _display_utils = __w_pdfjs_require__(6);
class AnnotationEditorLayer {
#accessibilityManager;
#allowClick = false;
#boundPointerup = this.pointerup.bind(this);
#boundPointerdown = this.pointerdown.bind(this);
#editors = new Map();
#hadPointerDown = false;
#isCleaningUp = false;
#uiManager;
static _initialized = false;
constructor(options) {
if (!AnnotationEditorLayer._initialized) {
AnnotationEditorLayer._initialized = true;
_freetext.FreeTextEditor.initialize(options.l10n);
_ink.InkEditor.initialize(options.l10n);
}
options.uiManager.registerEditorTypes([_freetext.FreeTextEditor, _ink.InkEditor]);
this.#uiManager = options.uiManager;
this.pageIndex = options.pageIndex;
this.div = options.div;
this.#accessibilityManager = options.accessibilityManager;
this.#uiManager.addLayer(this);
}
get isEmpty() {
return this.#editors.size === 0;
}
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();
if (mode !== _util.AnnotationEditorType.NONE) {
this.div.classList.toggle("freeTextEditing", mode === _util.AnnotationEditorType.FREETEXT);
this.div.classList.toggle("inkEditing", mode === _util.AnnotationEditorType.INK);
this.div.hidden = false;
}
}
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();
}
this.#cleanup();
if (this.isEmpty) {
this.div.hidden = true;
}
}
setActiveEditor(editor) {
const currentActive = this.#uiManager.getActive();
if (currentActive === editor) {
return;
}
this.#uiManager.setActiveEditor(editor);
}
enableClick() {
this.div.addEventListener("pointerdown", this.#boundPointerdown);
this.div.addEventListener("pointerup", this.#boundPointerup);
}
disableClick() {
this.div.removeEventListener("pointerdown", this.#boundPointerdown);
this.div.removeEventListener("pointerup", this.#boundPointerup);
}
attach(editor) {
this.#editors.set(editor.id, editor);
}
detach(editor) {
this.#editors.delete(editor.id);
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
}
remove(editor) {
this.#uiManager.removeEditor(editor);
this.detach(editor);
editor.div.style.display = "none";
setTimeout(() => {
editor.div.style.display = "";
editor.div.remove();
editor.isAttachedToDOM = false;
if (document.activeElement === document.body) {
this.#uiManager.focusMainContainer();
}
}, 0);
if (!this.#isCleaningUp) {
this.addInkEditorIfNeeded(false);
}
}
#changeParent(editor) {
if (editor.parent === this) {
return;
}
this.attach(editor);
editor.parent?.detach(editor);
editor.setParent(this);
if (editor.div && editor.isAttachedToDOM) {
editor.div.remove();
this.div.append(editor.div);
}
}
add(editor) {
this.#changeParent(editor);
this.#uiManager.addEditor(editor);
this.attach(editor);
if (!editor.isAttachedToDOM) {
const div = editor.render();
this.div.append(div);
editor.isAttachedToDOM = true;
}
this.moveEditorInDOM(editor);
editor.onceAdded();
this.#uiManager.addToAnnotationStorage(editor);
}
moveEditorInDOM(editor) {
this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true);
}
addOrRebuild(editor) {
if (editor.needsToBeRebuilt()) {
editor.rebuild();
} else {
this.add(editor);
}
}
addANewEditor(editor) {
const cmd = () => {
this.addOrRebuild(editor);
};
const undo = () => {
editor.remove();
};
this.addCommands({
cmd,
undo,
mustExec: true
});
}
addUndoableEditor(editor) {
const cmd = () => {
this.addOrRebuild(editor);
};
const undo = () => {
editor.remove();
};
this.addCommands({
cmd,
undo,
mustExec: false
});
}
getNextId() {
return this.#uiManager.getId();
}
#createNewEditor(params) {
switch (this.#uiManager.getMode()) {
case _util.AnnotationEditorType.FREETEXT:
return new _freetext.FreeTextEditor(params);
case _util.AnnotationEditorType.INK:
return new _ink.InkEditor(params);
}
return null;
}
deserialize(data) {
switch (data.annotationType) {
case _util.AnnotationEditorType.FREETEXT:
return _freetext.FreeTextEditor.deserialize(data, this, this.#uiManager);
case _util.AnnotationEditorType.INK:
return _ink.InkEditor.deserialize(data, this, this.#uiManager);
}
return null;
}
#createAndAddNewEditor(event) {
const id = this.getNextId();
const editor = this.#createNewEditor({
parent: this,
id,
x: event.offsetX,
y: event.offsetY,
uiManager: this.#uiManager
});
if (editor) {
this.add(editor);
}
return editor;
}
setSelected(editor) {
this.#uiManager.setSelected(editor);
}
toggleSelected(editor) {
this.#uiManager.toggleSelected(editor);
}
isSelected(editor) {
return this.#uiManager.isSelected(editor);
}
unselect(editor) {
this.#uiManager.unselect(editor);
}
pointerup(event) {
const {
isMac
} = _util.FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
if (event.target !== this.div) {
return;
}
if (!this.#hadPointerDown) {
return;
}
this.#hadPointerDown = false;
if (!this.#allowClick) {
this.#allowClick = true;
return;
}
this.#createAndAddNewEditor(event);
}
pointerdown(event) {
const {
isMac
} = _util.FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
if (event.target !== this.div) {
return;
}
this.#hadPointerDown = true;
const editor = this.#uiManager.getActive();
this.#allowClick = !editor || editor.isEmpty();
}
drop(event) {
const id = event.dataTransfer.getData("text/plain");
const editor = this.#uiManager.getEditor(id);
if (!editor) {
return;
}
event.preventDefault();
event.dataTransfer.dropEffect = "move";
this.#changeParent(editor);
const rect = this.div.getBoundingClientRect();
const endX = event.clientX - rect.x;
const endY = event.clientY - rect.y;
editor.translate(endX - editor.startX, endY - editor.startY);
this.moveEditorInDOM(editor);
editor.div.focus();
}
dragover(event) {
event.preventDefault();
}
destroy() {
if (this.#uiManager.getActive()?.parent === this) {
this.#uiManager.setActiveEditor(null);
}
for (const editor of this.#editors.values()) {
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
editor.setParent(null);
editor.isAttachedToDOM = false;
editor.div.remove();
}
this.div = null;
this.#editors.clear();
this.#uiManager.removeLayer(this);
}
#cleanup() {
this.#isCleaningUp = true;
for (const editor of this.#editors.values()) {
if (editor.isEmpty()) {
editor.remove();
}
}
this.#isCleaningUp = false;
}
render({
viewport
}) {
this.viewport = viewport;
(0, _display_utils.setLayerDimensions)(this.div, viewport);
(0, _tools.bindEvents)(this, this.div, ["dragover", "drop"]);
for (const editor of this.#uiManager.getEditors(this.pageIndex)) {
this.add(editor);
}
this.updateMode();
}
update({
viewport
}) {
this.#uiManager.commitOrRemove();
this.viewport = viewport;
(0, _display_utils.setLayerDimensions)(this.div, {
rotation: viewport.rotation
});
this.updateMode();
}
get pageDimensions() {
const {
pageWidth,
pageHeight
} = this.viewport.rawDims;
return [pageWidth, pageHeight];
}
}
exports.AnnotationEditorLayer = AnnotationEditorLayer;
/***/ }),
/* 28 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.FreeTextEditor = void 0;
var _util = __w_pdfjs_require__(1);
var _tools = __w_pdfjs_require__(5);
var _editor = __w_pdfjs_require__(4);
class FreeTextEditor extends _editor.AnnotationEditor {
#boundEditorDivBlur = this.editorDivBlur.bind(this);
#boundEditorDivFocus = this.editorDivFocus.bind(this);
#boundEditorDivInput = this.editorDivInput.bind(this);
#boundEditorDivKeydown = this.editorDivKeydown.bind(this);
#color;
#content = "";
#editorDivId = `${this.id}-editor`;
#hasAlreadyBeenCommitted = false;
#fontSize;
static _freeTextDefaultContent = "";
static _l10nPromise;
static _internalPadding = 0;
static _defaultColor = null;
static _defaultFontSize = 10;
static _keyboardManager = new _tools.KeyboardManager([[["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], FreeTextEditor.prototype.commitOrRemove]]);
static _type = "freetext";
constructor(params) {
super({
...params,
name: "freeTextEditor"
});
this.#color = params.color || FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize;
}
static initialize(l10n) {
this._l10nPromise = new Map(["free_text2_default_content", "editor_free_text2_aria_label"].map(str => [str, l10n.get(str)]));
const style = getComputedStyle(document.documentElement);
this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding"));
}
static updateDefaultParams(type, value) {
switch (type) {
case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
FreeTextEditor._defaultFontSize = value;
break;
case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
FreeTextEditor._defaultColor = value;
break;
}
}
updateParams(type, value) {
switch (type) {
case _util.AnnotationEditorParamsType.FREETEXT_SIZE:
this.#updateFontSize(value);
break;
case _util.AnnotationEditorParamsType.FREETEXT_COLOR:
this.#updateColor(value);
break;
}
}
static get defaultPropertiesToUpdate() {
return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, FreeTextEditor._defaultFontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, FreeTextEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor]];
}
get propertiesToUpdate() {
return [[_util.AnnotationEditorParamsType.FREETEXT_SIZE, this.#fontSize], [_util.AnnotationEditorParamsType.FREETEXT_COLOR, this.#color]];
}
#updateFontSize(fontSize) {
const setFontsize = size => {
this.editorDiv.style.fontSize = `calc(${size}px * var(--scale-factor))`;
this.translate(0, -(size - this.#fontSize) * this.parentScale);
this.#fontSize = size;
this.#setEditorDimensions();
};
const savedFontsize = this.#fontSize;
this.addCommands({
cmd: () => {
setFontsize(fontSize);
},
undo: () => {
setFontsize(savedFontsize);
},
mustExec: true,
type: _util.AnnotationEditorParamsType.FREETEXT_SIZE,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateColor(color) {
const savedColor = this.#color;
this.addCommands({
cmd: () => {
this.#color = this.editorDiv.style.color = color;
},
undo: () => {
this.#color = this.editorDiv.style.color = savedColor;
},
mustExec: true,
type: _util.AnnotationEditorParamsType.FREETEXT_COLOR,
overwriteIfSameType: true,
keepUndo: true
});
}
getInitialTranslation() {
const scale = this.parentScale;
return [-FreeTextEditor._internalPadding * scale, -(FreeTextEditor._internalPadding + this.#fontSize) * scale];
}
rebuild() {
super.rebuild();
if (this.div === null) {
return;
}
if (!this.isAttachedToDOM) {
this.parent.add(this);
}
}
enableEditMode() {
if (this.isInEditMode()) {
return;
}
this.parent.setEditingState(false);
this.parent.updateToolbar(_util.AnnotationEditorType.FREETEXT);
super.enableEditMode();
this.overlayDiv.classList.remove("enabled");
this.editorDiv.contentEditable = true;
this.div.draggable = false;
this.div.removeAttribute("aria-activedescendant");
this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown);
this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus);
this.editorDiv.addEventListener("blur", this.#boundEditorDivBlur);
this.editorDiv.addEventListener("input", this.#boundEditorDivInput);
}
disableEditMode() {
if (!this.isInEditMode()) {
return;
}
this.parent.setEditingState(true);
super.disableEditMode();
this.overlayDiv.classList.add("enabled");
this.editorDiv.contentEditable = false;
this.div.setAttribute("aria-activedescendant", this.#editorDivId);
this.div.draggable = true;
this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown);
this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus);
this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur);
this.editorDiv.removeEventListener("input", this.#boundEditorDivInput);
this.div.focus({
preventScroll: true
});
this.isEditing = false;
this.parent.div.classList.add("freeTextEditing");
}
focusin(event) {
super.focusin(event);
if (event.target !== this.editorDiv) {
this.editorDiv.focus();
}
}
onceAdded() {
if (this.width) {
return;
}
this.enableEditMode();
this.editorDiv.focus();
}
isEmpty() {
return !this.editorDiv || this.editorDiv.innerText.trim() === "";
}
remove() {
this.isEditing = false;
this.parent.setEditingState(true);
this.parent.div.classList.add("freeTextEditing");
super.remove();
}
#extractText() {
const divs = this.editorDiv.getElementsByTagName("div");
if (divs.length === 0) {
return this.editorDiv.innerText;
}
const buffer = [];
for (const div of divs) {
buffer.push(div.innerText.replace(/\r\n?|\n/, ""));
}
return buffer.join("\n");
}
#setEditorDimensions() {
const [parentWidth, parentHeight] = this.parentDimensions;
let rect;
if (this.isAttachedToDOM) {
rect = this.div.getBoundingClientRect();
} else {
const {
currentLayer,
div
} = this;
const savedDisplay = div.style.display;
div.style.display = "hidden";
currentLayer.div.append(this.div);
rect = div.getBoundingClientRect();
div.remove();
div.style.display = savedDisplay;
}
this.width = rect.width / parentWidth;
this.height = rect.height / parentHeight;
}
commit() {
if (!this.isInEditMode()) {
return;
}
super.commit();
if (!this.#hasAlreadyBeenCommitted) {
this.#hasAlreadyBeenCommitted = true;
this.parent.addUndoableEditor(this);
}
this.disableEditMode();
this.#content = this.#extractText().trimEnd();
this.#setEditorDimensions();
}
shouldGetKeyboardEvents() {
return this.isInEditMode();
}
dblclick(event) {
this.enableEditMode();
this.editorDiv.focus();
}
keydown(event) {
if (event.target === this.div && event.key === "Enter") {
this.enableEditMode();
this.editorDiv.focus();
}
}
editorDivKeydown(event) {
FreeTextEditor._keyboardManager.exec(this, event);
}
editorDivFocus(event) {
this.isEditing = true;
}
editorDivBlur(event) {
this.isEditing = false;
}
editorDivInput(event) {
this.parent.div.classList.toggle("freeTextEditing", this.isEmpty());
}
disableEditing() {
this.editorDiv.setAttribute("role", "comment");
this.editorDiv.removeAttribute("aria-multiline");
}
enableEditing() {
this.editorDiv.setAttribute("role", "textbox");
this.editorDiv.setAttribute("aria-multiline", true);
}
render() {
if (this.div) {
return this.div;
}
let baseX, baseY;
if (this.width) {
baseX = this.x;
baseY = this.y;
}
super.render();
this.editorDiv = document.createElement("div");
this.editorDiv.className = "internal";
this.editorDiv.setAttribute("id", this.#editorDivId);
this.enableEditing();
FreeTextEditor._l10nPromise.get("editor_free_text2_aria_label").then(msg => this.editorDiv?.setAttribute("aria-label", msg));
FreeTextEditor._l10nPromise.get("free_text2_default_content").then(msg => this.editorDiv?.setAttribute("default-content", msg));
this.editorDiv.contentEditable = true;
const {
style
} = this.editorDiv;
style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
style.color = this.#color;
this.div.append(this.editorDiv);
this.overlayDiv = document.createElement("div");
this.overlayDiv.classList.add("overlay", "enabled");
this.div.append(this.overlayDiv);
(0, _tools.bindEvents)(this, this.div, ["dblclick", "keydown"]);
if (this.width) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
for (const line of this.#content.split("\n")) {
const div = document.createElement("div");
div.append(line ? document.createTextNode(line) : document.createElement("br"));
this.editorDiv.append(div);
}
this.div.draggable = true;
this.editorDiv.contentEditable = false;
} else {
this.div.draggable = false;
this.editorDiv.contentEditable = true;
}
return this.div;
}
get contentDiv() {
return this.editorDiv;
}
static deserialize(data, parent, uiManager) {
const editor = super.deserialize(data, parent, uiManager);
editor.#fontSize = data.fontSize;
editor.#color = _util.Util.makeHexColor(...data.color);
editor.#content = data.value;
return editor;
}
serialize() {
if (this.isEmpty()) {
return null;
}
const padding = FreeTextEditor._internalPadding * this.parentScale;
const rect = this.getRect(padding, padding);
const color = _editor.AnnotationEditor._colorManager.convert(this.isAttachedToDOM ? getComputedStyle(this.editorDiv).color : this.#color);
return {
annotationType: _util.AnnotationEditorType.FREETEXT,
color,
fontSize: this.#fontSize,
value: this.#content,
pageIndex: this.pageIndex,
rect,
rotation: this.rotation
};
}
}
exports.FreeTextEditor = FreeTextEditor;
/***/ }),
/* 29 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.InkEditor = void 0;
Object.defineProperty(exports, "fitCurve", ({
enumerable: true,
get: function () {
return _pdfjsFitCurve.fitCurve;
}
}));
var _util = __w_pdfjs_require__(1);
var _editor = __w_pdfjs_require__(4);
var _pdfjsFitCurve = __w_pdfjs_require__(30);
var _tools = __w_pdfjs_require__(5);
const RESIZER_SIZE = 16;
const TIME_TO_WAIT_BEFORE_FIXING_DIMS = 100;
class InkEditor extends _editor.AnnotationEditor {
#aspectRatio = 0;
#baseHeight = 0;
#baseWidth = 0;
#boundCanvasPointermove = this.canvasPointermove.bind(this);
#boundCanvasPointerleave = this.canvasPointerleave.bind(this);
#boundCanvasPointerup = this.canvasPointerup.bind(this);
#boundCanvasPointerdown = this.canvasPointerdown.bind(this);
#disableEditing = false;
#isCanvasInitialized = false;
#lastPoint = null;
#observer = null;
#realWidth = 0;
#realHeight = 0;
#requestFrameCallback = null;
static _defaultColor = null;
static _defaultOpacity = 1;
static _defaultThickness = 1;
static _l10nPromise;
static _type = "ink";
constructor(params) {
super({
...params,
name: "inkEditor"
});
this.color = params.color || null;
this.thickness = params.thickness || null;
this.opacity = params.opacity || null;
this.paths = [];
this.bezierPath2D = [];
this.currentPath = [];
this.scaleFactor = 1;
this.translationX = this.translationY = 0;
this.x = 0;
this.y = 0;
}
static initialize(l10n) {
this._l10nPromise = new Map(["editor_ink_canvas_aria_label", "editor_ink2_aria_label"].map(str => [str, l10n.get(str)]));
}
static updateDefaultParams(type, value) {
switch (type) {
case _util.AnnotationEditorParamsType.INK_THICKNESS:
InkEditor._defaultThickness = value;
break;
case _util.AnnotationEditorParamsType.INK_COLOR:
InkEditor._defaultColor = value;
break;
case _util.AnnotationEditorParamsType.INK_OPACITY:
InkEditor._defaultOpacity = value / 100;
break;
}
}
updateParams(type, value) {
switch (type) {
case _util.AnnotationEditorParamsType.INK_THICKNESS:
this.#updateThickness(value);
break;
case _util.AnnotationEditorParamsType.INK_COLOR:
this.#updateColor(value);
break;
case _util.AnnotationEditorParamsType.INK_OPACITY:
this.#updateOpacity(value);
break;
}
}
static get defaultPropertiesToUpdate() {
return [[_util.AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]];
}
get propertiesToUpdate() {
return [[_util.AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [_util.AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor], [_util.AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]];
}
#updateThickness(thickness) {
const savedThickness = this.thickness;
this.addCommands({
cmd: () => {
this.thickness = thickness;
this.#fitToContent();
},
undo: () => {
this.thickness = savedThickness;
this.#fitToContent();
},
mustExec: true,
type: _util.AnnotationEditorParamsType.INK_THICKNESS,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateColor(color) {
const savedColor = this.color;
this.addCommands({
cmd: () => {
this.color = color;
this.#redraw();
},
undo: () => {
this.color = savedColor;
this.#redraw();
},
mustExec: true,
type: _util.AnnotationEditorParamsType.INK_COLOR,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateOpacity(opacity) {
opacity /= 100;
const savedOpacity = this.opacity;
this.addCommands({
cmd: () => {
this.opacity = opacity;
this.#redraw();
},
undo: () => {
this.opacity = savedOpacity;
this.#redraw();
},
mustExec: true,
type: _util.AnnotationEditorParamsType.INK_OPACITY,
overwriteIfSameType: true,
keepUndo: true
});
}
rebuild() {
super.rebuild();
if (this.div === null) {
return;
}
if (!this.canvas) {
this.#createCanvas();
this.#createObserver();
}
if (!this.isAttachedToDOM) {
this.parent.add(this);
this.#setCanvasDims();
}
this.#fitToContent();
}
remove() {
if (this.canvas === null) {
return;
}
if (!this.isEmpty()) {
this.commit();
}
this.canvas.width = this.canvas.height = 0;
this.canvas.remove();
this.canvas = null;
this.#observer.disconnect();
this.#observer = null;
super.remove();
}
setParent(parent) {
if (!this.parent && parent) {
this._uiManager.removeShouldRescale(this);
} else if (this.parent && parent === null) {
this._uiManager.addShouldRescale(this);
}
super.setParent(parent);
}
onScaleChanging() {
const [parentWidth, parentHeight] = this.parentDimensions;
const width = this.width * parentWidth;
const height = this.height * parentHeight;
this.setDimensions(width, height);
}
enableEditMode() {
if (this.#disableEditing || this.canvas === null) {
return;
}
super.enableEditMode();
this.div.draggable = false;
this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown);
this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup);
}
disableEditMode() {
if (!this.isInEditMode() || this.canvas === null) {
return;
}
super.disableEditMode();
this.div.draggable = !this.isEmpty();
this.div.classList.remove("editing");
this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown);
this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup);
}
onceAdded() {
this.div.draggable = !this.isEmpty();
}
isEmpty() {
return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0;
}
#getInitialBBox() {
const {
parentRotation,
parentDimensions: [width, height]
} = this;
switch (parentRotation) {
case 90:
return [0, height, height, width];
case 180:
return [width, height, width, height];
case 270:
return [width, 0, height, width];
default:
return [0, 0, width, height];
}
}
#setStroke() {
const {
ctx,
color,
opacity,
thickness,
parentScale,
scaleFactor
} = this;
ctx.lineWidth = thickness * parentScale / scaleFactor;
ctx.lineCap = "round";
ctx.lineJoin = "round";
ctx.miterLimit = 10;
ctx.strokeStyle = `${color}${(0, _tools.opacityToHex)(opacity)}`;
}
#startDrawing(x, y) {
this.isEditing = true;
if (!this.#isCanvasInitialized) {
this.#isCanvasInitialized = true;
this.#setCanvasDims();
this.thickness ||= InkEditor._defaultThickness;
this.color ||= InkEditor._defaultColor || _editor.AnnotationEditor._defaultLineColor;
this.opacity ??= InkEditor._defaultOpacity;
}
this.currentPath.push([x, y]);
this.#lastPoint = null;
this.#setStroke();
this.ctx.beginPath();
this.ctx.moveTo(x, y);
this.#requestFrameCallback = () => {
if (!this.#requestFrameCallback) {
return;
}
if (this.#lastPoint) {
if (this.isEmpty()) {
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
} else {
this.#redraw();
}
this.ctx.lineTo(...this.#lastPoint);
this.#lastPoint = null;
this.ctx.stroke();
}
window.requestAnimationFrame(this.#requestFrameCallback);
};
window.requestAnimationFrame(this.#requestFrameCallback);
}
#draw(x, y) {
const [lastX, lastY] = this.currentPath.at(-1);
if (x === lastX && y === lastY) {
return;
}
this.currentPath.push([x, y]);
this.#lastPoint = [x, y];
}
#stopDrawing(x, y) {
this.ctx.closePath();
this.#requestFrameCallback = null;
x = Math.min(Math.max(x, 0), this.canvas.width);
y = Math.min(Math.max(y, 0), this.canvas.height);
const [lastX, lastY] = this.currentPath.at(-1);
if (x !== lastX || y !== lastY) {
this.currentPath.push([x, y]);
}
let bezier;
if (this.currentPath.length !== 1) {
bezier = (0, _pdfjsFitCurve.fitCurve)(this.currentPath, 30, null);
} else {
const xy = [x, y];
bezier = [[xy, xy.slice(), xy.slice(), xy]];
}
const path2D = InkEditor.#buildPath2D(bezier);
this.currentPath.length = 0;
const cmd = () => {
this.paths.push(bezier);
this.bezierPath2D.push(path2D);
this.rebuild();
};
const undo = () => {
this.paths.pop();
this.bezierPath2D.pop();
if (this.paths.length === 0) {
this.remove();
} else {
if (!this.canvas) {
this.#createCanvas();
this.#createObserver();
}
this.#fitToContent();
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
}
#redraw() {
if (this.isEmpty()) {
this.#updateTransform();
return;
}
this.#setStroke();
const {
canvas,
ctx
} = this;
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.clearRect(0, 0, canvas.width, canvas.height);
this.#updateTransform();
for (const path of this.bezierPath2D) {
ctx.stroke(path);
}
}
commit() {
if (this.#disableEditing) {
return;
}
super.commit();
this.isEditing = false;
this.disableEditMode();
this.setInForeground();
this.#disableEditing = true;
this.div.classList.add("disabled");
this.#fitToContent(true);
this.parent.addInkEditorIfNeeded(true);
this.parent.moveEditorInDOM(this);
this.div.focus({
preventScroll: true
});
}
focusin(event) {
super.focusin(event);
this.enableEditMode();
}
canvasPointerdown(event) {
if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) {
return;
}
this.setInForeground();
if (event.type !== "mouse") {
this.div.focus();
}
event.stopPropagation();
this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave);
this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove);
this.#startDrawing(event.offsetX, event.offsetY);
}
canvasPointermove(event) {
event.stopPropagation();
this.#draw(event.offsetX, event.offsetY);
}
canvasPointerup(event) {
if (event.button !== 0) {
return;
}
if (this.isInEditMode() && this.currentPath.length !== 0) {
event.stopPropagation();
this.#endDrawing(event);
this.setInBackground();
}
}
canvasPointerleave(event) {
this.#endDrawing(event);
this.setInBackground();
}
#endDrawing(event) {
this.#stopDrawing(event.offsetX, event.offsetY);
this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave);
this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove);
this.addToAnnotationStorage();
}
#createCanvas() {
this.canvas = document.createElement("canvas");
this.canvas.width = this.canvas.height = 0;
this.canvas.className = "inkEditorCanvas";
InkEditor._l10nPromise.get("editor_ink_canvas_aria_label").then(msg => this.canvas?.setAttribute("aria-label", msg));
this.div.append(this.canvas);
this.ctx = this.canvas.getContext("2d");
}
#createObserver() {
let timeoutId = null;
this.#observer = new ResizeObserver(entries => {
const rect = entries[0].contentRect;
if (rect.width && rect.height) {
if (timeoutId !== null) {
clearTimeout(timeoutId);
}
timeoutId = setTimeout(() => {
this.fixDims();
timeoutId = null;
}, TIME_TO_WAIT_BEFORE_FIXING_DIMS);
this.setDimensions(rect.width, rect.height);
}
});
this.#observer.observe(this.div);
}
render() {
if (this.div) {
return this.div;
}
let baseX, baseY;
if (this.width) {
baseX = this.x;
baseY = this.y;
}
super.render();
InkEditor._l10nPromise.get("editor_ink2_aria_label").then(msg => this.div?.setAttribute("aria-label", msg));
const [x, y, w, h] = this.#getInitialBBox();
this.setAt(x, y, 0, 0);
this.setDims(w, h);
this.#createCanvas();
if (this.width) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
this.#isCanvasInitialized = true;
this.#setCanvasDims();
this.setDims(this.width * parentWidth, this.height * parentHeight);
this.#redraw();
this.#setMinDims();
this.div.classList.add("disabled");
} else {
this.div.classList.add("editing");
this.enableEditMode();
}
this.#createObserver();
return this.div;
}
#setCanvasDims() {
if (!this.#isCanvasInitialized) {
return;
}
const [parentWidth, parentHeight] = this.parentDimensions;
this.canvas.width = Math.ceil(this.width * parentWidth);
this.canvas.height = Math.ceil(this.height * parentHeight);
this.#updateTransform();
}
setDimensions(width, height) {
const roundedWidth = Math.round(width);
const roundedHeight = Math.round(height);
if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) {
return;
}
this.#realWidth = roundedWidth;
this.#realHeight = roundedHeight;
this.canvas.style.visibility = "hidden";
if (this.#aspectRatio && Math.abs(this.#aspectRatio - width / height) > 1e-2) {
height = Math.ceil(width / this.#aspectRatio);
this.setDims(width, height);
}
const [parentWidth, parentHeight] = this.parentDimensions;
this.width = width / parentWidth;
this.height = height / parentHeight;
if (this.#disableEditing) {
this.#setScaleFactor(width, height);
}
this.#setCanvasDims();
this.#redraw();
this.canvas.style.visibility = "visible";
}
#setScaleFactor(width, height) {
const padding = this.#getPadding();
const scaleFactorW = (width - padding) / this.#baseWidth;
const scaleFactorH = (height - padding) / this.#baseHeight;
this.scaleFactor = Math.min(scaleFactorW, scaleFactorH);
}
#updateTransform() {
const padding = this.#getPadding() / 2;
this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding);
}
static #buildPath2D(bezier) {
const path2D = new Path2D();
for (let i = 0, ii = bezier.length; i < ii; i++) {
const [first, control1, control2, second] = bezier[i];
if (i === 0) {
path2D.moveTo(...first);
}
path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]);
}
return path2D;
}
#serializePaths(s, tx, ty, h) {
const NUMBER_OF_POINTS_ON_BEZIER_CURVE = 4;
const paths = [];
const padding = this.thickness / 2;
let buffer, points;
for (const bezier of this.paths) {
buffer = [];
points = [];
for (let i = 0, ii = bezier.length; i < ii; i++) {
const [first, control1, control2, second] = bezier[i];
const p10 = s * (first[0] + tx) + padding;
const p11 = h - s * (first[1] + ty) - padding;
const p20 = s * (control1[0] + tx) + padding;
const p21 = h - s * (control1[1] + ty) - padding;
const p30 = s * (control2[0] + tx) + padding;
const p31 = h - s * (control2[1] + ty) - padding;
const p40 = s * (second[0] + tx) + padding;
const p41 = h - s * (second[1] + ty) - padding;
if (i === 0) {
buffer.push(p10, p11);
points.push(p10, p11);
}
buffer.push(p20, p21, p30, p31, p40, p41);
this.#extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, NUMBER_OF_POINTS_ON_BEZIER_CURVE, points);
}
paths.push({
bezier: buffer,
points
});
}
return paths;
}
#extractPointsOnBezier(p10, p11, p20, p21, p30, p31, p40, p41, n, points) {
if (this.#isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41)) {
points.push(p40, p41);
return;
}
for (let i = 1; i < n - 1; i++) {
const t = i / n;
const mt = 1 - t;
let q10 = t * p10 + mt * p20;
let q11 = t * p11 + mt * p21;
let q20 = t * p20 + mt * p30;
let q21 = t * p21 + mt * p31;
const q30 = t * p30 + mt * p40;
const q31 = t * p31 + mt * p41;
q10 = t * q10 + mt * q20;
q11 = t * q11 + mt * q21;
q20 = t * q20 + mt * q30;
q21 = t * q21 + mt * q31;
q10 = t * q10 + mt * q20;
q11 = t * q11 + mt * q21;
points.push(q10, q11);
}
points.push(p40, p41);
}
#isAlmostFlat(p10, p11, p20, p21, p30, p31, p40, p41) {
const tol = 10;
const ax = (3 * p20 - 2 * p10 - p40) ** 2;
const ay = (3 * p21 - 2 * p11 - p41) ** 2;
const bx = (3 * p30 - p10 - 2 * p40) ** 2;
const by = (3 * p31 - p11 - 2 * p41) ** 2;
return Math.max(ax, bx) + Math.max(ay, by) <= tol;
}
#getBbox() {
let xMin = Infinity;
let xMax = -Infinity;
let yMin = Infinity;
let yMax = -Infinity;
for (const path of this.paths) {
for (const [first, control1, control2, second] of path) {
const bbox = _util.Util.bezierBoundingBox(...first, ...control1, ...control2, ...second);
xMin = Math.min(xMin, bbox[0]);
yMin = Math.min(yMin, bbox[1]);
xMax = Math.max(xMax, bbox[2]);
yMax = Math.max(yMax, bbox[3]);
}
}
return [xMin, yMin, xMax, yMax];
}
#getPadding() {
return this.#disableEditing ? Math.ceil(this.thickness * this.parentScale) : 0;
}
#fitToContent(firstTime = false) {
if (this.isEmpty()) {
return;
}
if (!this.#disableEditing) {
this.#redraw();
return;
}
const bbox = this.#getBbox();
const padding = this.#getPadding();
this.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
this.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor);
const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor);
const [parentWidth, parentHeight] = this.parentDimensions;
this.width = width / parentWidth;
this.height = height / parentHeight;
this.#aspectRatio = width / height;
this.#setMinDims();
const prevTranslationX = this.translationX;
const prevTranslationY = this.translationY;
this.translationX = -bbox[0];
this.translationY = -bbox[1];
this.#setCanvasDims();
this.#redraw();
this.#realWidth = width;
this.#realHeight = height;
this.setDims(width, height);
const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0;
this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding);
}
#setMinDims() {
const {
style
} = this.div;
if (this.#aspectRatio >= 1) {
style.minHeight = `${RESIZER_SIZE}px`;
style.minWidth = `${Math.round(this.#aspectRatio * RESIZER_SIZE)}px`;
} else {
style.minWidth = `${RESIZER_SIZE}px`;
style.minHeight = `${Math.round(RESIZER_SIZE / this.#aspectRatio)}px`;
}
}
static deserialize(data, parent, uiManager) {
const editor = super.deserialize(data, parent, uiManager);
editor.thickness = data.thickness;
editor.color = _util.Util.makeHexColor(...data.color);
editor.opacity = data.opacity;
const [pageWidth, pageHeight] = editor.pageDimensions;
const width = editor.width * pageWidth;
const height = editor.height * pageHeight;
const scaleFactor = editor.parentScale;
const padding = data.thickness / 2;
editor.#aspectRatio = width / height;
editor.#disableEditing = true;
editor.#realWidth = Math.round(width);
editor.#realHeight = Math.round(height);
for (const {
bezier
} of data.paths) {
const path = [];
editor.paths.push(path);
let p0 = scaleFactor * (bezier[0] - padding);
let p1 = scaleFactor * (height - bezier[1] - padding);
for (let i = 2, ii = bezier.length; i < ii; i += 6) {
const p10 = scaleFactor * (bezier[i] - padding);
const p11 = scaleFactor * (height - bezier[i + 1] - padding);
const p20 = scaleFactor * (bezier[i + 2] - padding);
const p21 = scaleFactor * (height - bezier[i + 3] - padding);
const p30 = scaleFactor * (bezier[i + 4] - padding);
const p31 = scaleFactor * (height - bezier[i + 5] - padding);
path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]);
p0 = p30;
p1 = p31;
}
const path2D = this.#buildPath2D(path);
editor.bezierPath2D.push(path2D);
}
const bbox = editor.#getBbox();
editor.#baseWidth = Math.max(RESIZER_SIZE, bbox[2] - bbox[0]);
editor.#baseHeight = Math.max(RESIZER_SIZE, bbox[3] - bbox[1]);
editor.#setScaleFactor(width, height);
return editor;
}
serialize() {
if (this.isEmpty()) {
return null;
}
const rect = this.getRect(0, 0);
const height = this.rotation % 180 === 0 ? rect[3] - rect[1] : rect[2] - rect[0];
const color = _editor.AnnotationEditor._colorManager.convert(this.ctx.strokeStyle);
return {
annotationType: _util.AnnotationEditorType.INK,
color,
thickness: this.thickness,
opacity: this.opacity,
paths: this.#serializePaths(this.scaleFactor / this.parentScale, this.translationX, this.translationY, height),
pageIndex: this.pageIndex,
rect,
rotation: this.rotation
};
}
}
exports.InkEditor = InkEditor;
/***/ }),
/* 30 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.fitCurve = void 0;
const fitCurve = __w_pdfjs_require__(31);
exports.fitCurve = fitCurve;
/***/ }),
/* 31 */
/***/ ((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;
/***/ }),
/* 32 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.AnnotationLayer = void 0;
var _util = __w_pdfjs_require__(1);
var _display_utils = __w_pdfjs_require__(6);
var _annotation_storage = __w_pdfjs_require__(3);
var _scripting_utils = __w_pdfjs_require__(33);
var _xfa_layer = __w_pdfjs_require__(34);
const DEFAULT_TAB_INDEX = 1000;
const DEFAULT_FONT_SIZE = 9;
const GetElementsByNameSet = new WeakSet();
function getRectDims(rect) {
return {
width: rect[2] - rect[0],
height: rect[3] - rect[1]
};
}
class AnnotationElementFactory {
static create(parameters) {
const subtype = parameters.data.annotationType;
switch (subtype) {
case _util.AnnotationType.LINK:
return new LinkAnnotationElement(parameters);
case _util.AnnotationType.TEXT:
return new TextAnnotationElement(parameters);
case _util.AnnotationType.WIDGET:
const fieldType = parameters.data.fieldType;
switch (fieldType) {
case "Tx":
return new TextWidgetAnnotationElement(parameters);
case "Btn":
if (parameters.data.radioButton) {
return new RadioButtonWidgetAnnotationElement(parameters);
} else if (parameters.data.checkBox) {
return new CheckboxWidgetAnnotationElement(parameters);
}
return new PushButtonWidgetAnnotationElement(parameters);
case "Ch":
return new ChoiceWidgetAnnotationElement(parameters);
}
return new WidgetAnnotationElement(parameters);
case _util.AnnotationType.POPUP:
return new PopupAnnotationElement(parameters);
case _util.AnnotationType.FREETEXT:
return new FreeTextAnnotationElement(parameters);
case _util.AnnotationType.LINE:
return new LineAnnotationElement(parameters);
case _util.AnnotationType.SQUARE:
return new SquareAnnotationElement(parameters);
case _util.AnnotationType.CIRCLE:
return new CircleAnnotationElement(parameters);
case _util.AnnotationType.POLYLINE:
return new PolylineAnnotationElement(parameters);
case _util.AnnotationType.CARET:
return new CaretAnnotationElement(parameters);
case _util.AnnotationType.INK:
return new InkAnnotationElement(parameters);
case _util.AnnotationType.POLYGON:
return new PolygonAnnotationElement(parameters);
case _util.AnnotationType.HIGHLIGHT:
return new HighlightAnnotationElement(parameters);
case _util.AnnotationType.UNDERLINE:
return new UnderlineAnnotationElement(parameters);
case _util.AnnotationType.SQUIGGLY:
return new SquigglyAnnotationElement(parameters);
case _util.AnnotationType.STRIKEOUT:
return new StrikeOutAnnotationElement(parameters);
case _util.AnnotationType.STAMP:
return new StampAnnotationElement(parameters);
case _util.AnnotationType.FILEATTACHMENT:
return new FileAttachmentAnnotationElement(parameters);
default:
return new AnnotationElement(parameters);
}
}
}
class AnnotationElement {
constructor(parameters, {
isRenderable = false,
ignoreBorder = false,
createQuadrilaterals = false
} = {}) {
this.isRenderable = isRenderable;
this.data = parameters.data;
this.layer = parameters.layer;
this.page = parameters.page;
this.viewport = parameters.viewport;
this.linkService = parameters.linkService;
this.downloadManager = parameters.downloadManager;
this.imageResourcesPath = parameters.imageResourcesPath;
this.renderForms = parameters.renderForms;
this.svgFactory = parameters.svgFactory;
this.annotationStorage = parameters.annotationStorage;
this.enableScripting = parameters.enableScripting;
this.hasJSActions = parameters.hasJSActions;
this._fieldObjects = parameters.fieldObjects;
if (isRenderable) {
this.container = this._createContainer(ignoreBorder);
}
if (createQuadrilaterals) {
this.quadrilaterals = this._createQuadrilaterals(ignoreBorder);
}
}
_createContainer(ignoreBorder = false) {
const {
data,
page,
viewport
} = this;
const container = document.createElement("section");
container.setAttribute("data-annotation-id", data.id);
const {
pageWidth,
pageHeight,
pageX,
pageY
} = viewport.rawDims;
const {
width,
height
} = getRectDims(data.rect);
const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
if (!ignoreBorder && data.borderStyle.width > 0) {
container.style.borderWidth = `${data.borderStyle.width}px`;
const horizontalRadius = data.borderStyle.horizontalCornerRadius;
const verticalRadius = data.borderStyle.verticalCornerRadius;
if (horizontalRadius > 0 || verticalRadius > 0) {
const radius = `calc(${horizontalRadius}px * var(--scale-factor)) / calc(${verticalRadius}px * var(--scale-factor))`;
container.style.borderRadius = radius;
} else if (this instanceof RadioButtonWidgetAnnotationElement) {
const radius = `calc(${width}px * var(--scale-factor)) / calc(${height}px * var(--scale-factor))`;
container.style.borderRadius = radius;
}
switch (data.borderStyle.style) {
case _util.AnnotationBorderStyleType.SOLID:
container.style.borderStyle = "solid";
break;
case _util.AnnotationBorderStyleType.DASHED:
container.style.borderStyle = "dashed";
break;
case _util.AnnotationBorderStyleType.BEVELED:
(0, _util.warn)("Unimplemented border style: beveled");
break;
case _util.AnnotationBorderStyleType.INSET:
(0, _util.warn)("Unimplemented border style: inset");
break;
case _util.AnnotationBorderStyleType.UNDERLINE:
container.style.borderBottomStyle = "solid";
break;
default:
break;
}
const borderColor = data.borderColor || null;
if (borderColor) {
container.style.borderColor = _util.Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0);
} else {
container.style.borderWidth = 0;
}
}
container.style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
container.style.top = `${100 * (rect[1] - pageY) / pageHeight}%`;
const {
rotation
} = data;
if (data.hasOwnCanvas || rotation === 0) {
container.style.width = `${100 * width / pageWidth}%`;
container.style.height = `${100 * height / pageHeight}%`;
} else {
this.setRotation(rotation, container);
}
return container;
}
setRotation(angle, container = this.container) {
const {
pageWidth,
pageHeight
} = this.viewport.rawDims;
const {
width,
height
} = getRectDims(this.data.rect);
let elementWidth, elementHeight;
if (angle % 180 === 0) {
elementWidth = 100 * width / pageWidth;
elementHeight = 100 * height / pageHeight;
} else {
elementWidth = 100 * height / pageWidth;
elementHeight = 100 * width / pageHeight;
}
container.style.width = `${elementWidth}%`;
container.style.height = `${elementHeight}%`;
container.setAttribute("data-main-rotation", (360 - angle) % 360);
}
get _commonActions() {
const setColor = (jsName, styleName, event) => {
const color = event.detail[jsName];
event.target.style[styleName] = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1));
};
return (0, _util.shadow)(this, "_commonActions", {
display: event => {
const hidden = event.detail.display % 2 === 1;
this.container.style.visibility = hidden ? "hidden" : "visible";
this.annotationStorage.setValue(this.data.id, {
hidden,
print: event.detail.display === 0 || event.detail.display === 3
});
},
print: event => {
this.annotationStorage.setValue(this.data.id, {
print: event.detail.print
});
},
hidden: event => {
this.container.style.visibility = event.detail.hidden ? "hidden" : "visible";
this.annotationStorage.setValue(this.data.id, {
hidden: event.detail.hidden
});
},
focus: event => {
setTimeout(() => event.target.focus({
preventScroll: false
}), 0);
},
userName: event => {
event.target.title = event.detail.userName;
},
readonly: event => {
if (event.detail.readonly) {
event.target.setAttribute("readonly", "");
} else {
event.target.removeAttribute("readonly");
}
},
required: event => {
this._setRequired(event.target, event.detail.required);
},
bgColor: event => {
setColor("bgColor", "backgroundColor", event);
},
fillColor: event => {
setColor("fillColor", "backgroundColor", event);
},
fgColor: event => {
setColor("fgColor", "color", event);
},
textColor: event => {
setColor("textColor", "color", event);
},
borderColor: event => {
setColor("borderColor", "borderColor", event);
},
strokeColor: event => {
setColor("strokeColor", "borderColor", event);
},
rotation: event => {
const angle = event.detail.rotation;
this.setRotation(angle);
this.annotationStorage.setValue(this.data.id, {
rotation: angle
});
}
});
}
_dispatchEventFromSandbox(actions, jsEvent) {
const commonActions = this._commonActions;
for (const name of Object.keys(jsEvent.detail)) {
const action = actions[name] || commonActions[name];
action?.(jsEvent);
}
}
_setDefaultPropertiesFromJS(element) {
if (!this.enableScripting) {
return;
}
const storedData = this.annotationStorage.getRawValue(this.data.id);
if (!storedData) {
return;
}
const commonActions = this._commonActions;
for (const [actionName, detail] of Object.entries(storedData)) {
const action = commonActions[actionName];
if (action) {
const eventProxy = {
detail: {
[actionName]: detail
},
target: element
};
action(eventProxy);
delete storedData[actionName];
}
}
}
_createQuadrilaterals(ignoreBorder = false) {
if (!this.data.quadPoints) {
return null;
}
const quadrilaterals = [];
const savedRect = this.data.rect;
for (const quadPoint of this.data.quadPoints) {
this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y];
quadrilaterals.push(this._createContainer(ignoreBorder));
}
this.data.rect = savedRect;
return quadrilaterals;
}
_createPopup(trigger, data) {
let container = this.container;
if (this.quadrilaterals) {
trigger = trigger || this.quadrilaterals;
container = this.quadrilaterals[0];
}
if (!trigger) {
trigger = document.createElement("div");
trigger.className = "popupTriggerArea";
container.append(trigger);
}
const popupElement = new PopupElement({
container,
trigger,
color: data.color,
titleObj: data.titleObj,
modificationDate: data.modificationDate,
contentsObj: data.contentsObj,
richText: data.richText,
hideWrapper: true
});
const popup = popupElement.render();
popup.style.left = "100%";
container.append(popup);
}
_renderQuadrilaterals(className) {
for (const quadrilateral of this.quadrilaterals) {
quadrilateral.className = className;
}
return this.quadrilaterals;
}
render() {
(0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
}
_getElementsByName(name, skipId = null) {
const fields = [];
if (this._fieldObjects) {
const fieldObj = this._fieldObjects[name];
if (fieldObj) {
for (const {
page,
id,
exportValues
} of fieldObj) {
if (page === -1) {
continue;
}
if (id === skipId) {
continue;
}
const exportValue = typeof exportValues === "string" ? exportValues : null;
const domElement = document.querySelector(`[data-element-id="${id}"]`);
if (domElement && !GetElementsByNameSet.has(domElement)) {
(0, _util.warn)(`_getElementsByName - element not allowed: ${id}`);
continue;
}
fields.push({
id,
exportValue,
domElement
});
}
}
return fields;
}
for (const domElement of document.getElementsByName(name)) {
const {
exportValue
} = domElement;
const id = domElement.getAttribute("data-element-id");
if (id === skipId) {
continue;
}
if (!GetElementsByNameSet.has(domElement)) {
continue;
}
fields.push({
id,
exportValue,
domElement
});
}
return fields;
}
}
class LinkAnnotationElement extends AnnotationElement {
constructor(parameters, options = null) {
super(parameters, {
isRenderable: true,
ignoreBorder: !!options?.ignoreBorder,
createQuadrilaterals: true
});
this.isTooltipOnly = parameters.data.isTooltipOnly;
}
render() {
const {
data,
linkService
} = this;
const link = document.createElement("a");
link.setAttribute("data-element-id", data.id);
let isBound = false;
if (data.url) {
linkService.addLinkAttributes(link, data.url, data.newWindow);
isBound = true;
} else if (data.action) {
this._bindNamedAction(link, data.action);
isBound = true;
} else if (data.attachment) {
this._bindAttachment(link, data.attachment);
isBound = true;
} else if (data.setOCGState) {
this.#bindSetOCGState(link, data.setOCGState);
isBound = true;
} else if (data.dest) {
this._bindLink(link, data.dest);
isBound = true;
} else {
if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
this._bindJSAction(link, data);
isBound = true;
}
if (data.resetForm) {
this._bindResetFormAction(link, data.resetForm);
isBound = true;
} else if (this.isTooltipOnly && !isBound) {
this._bindLink(link, "");
isBound = true;
}
}
if (this.quadrilaterals) {
return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => {
const linkElement = index === 0 ? link : link.cloneNode();
quadrilateral.append(linkElement);
return quadrilateral;
});
}
this.container.className = "linkAnnotation";
if (isBound) {
this.container.append(link);
}
return this.container;
}
#setInternalLink() {
this.container.setAttribute("data-internal-link", "");
}
_bindLink(link, destination) {
link.href = this.linkService.getDestinationHash(destination);
link.onclick = () => {
if (destination) {
this.linkService.goToDestination(destination);
}
return false;
};
if (destination || destination === "") {
this.#setInternalLink();
}
}
_bindNamedAction(link, action) {
link.href = this.linkService.getAnchorUrl("");
link.onclick = () => {
this.linkService.executeNamedAction(action);
return false;
};
this.#setInternalLink();
}
_bindAttachment(link, attachment) {
link.href = this.linkService.getAnchorUrl("");
link.onclick = () => {
this.downloadManager?.openOrDownloadData(this.container, attachment.content, attachment.filename);
return false;
};
this.#setInternalLink();
}
#bindSetOCGState(link, action) {
link.href = this.linkService.getAnchorUrl("");
link.onclick = () => {
this.linkService.executeSetOCGState(action);
return false;
};
this.#setInternalLink();
}
_bindJSAction(link, data) {
link.href = this.linkService.getAnchorUrl("");
const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
for (const name of Object.keys(data.actions)) {
const jsName = map.get(name);
if (!jsName) {
continue;
}
link[jsName] = () => {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: data.id,
name
}
});
return false;
};
}
if (!link.onclick) {
link.onclick = () => false;
}
this.#setInternalLink();
}
_bindResetFormAction(link, resetForm) {
const otherClickAction = link.onclick;
if (!otherClickAction) {
link.href = this.linkService.getAnchorUrl("");
}
this.#setInternalLink();
if (!this._fieldObjects) {
(0, _util.warn)(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
if (!otherClickAction) {
link.onclick = () => false;
}
return;
}
link.onclick = () => {
otherClickAction?.();
const {
fields: resetFormFields,
refs: resetFormRefs,
include
} = resetForm;
const allFields = [];
if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
const fieldIds = new Set(resetFormRefs);
for (const fieldName of resetFormFields) {
const fields = this._fieldObjects[fieldName] || [];
for (const {
id
} of fields) {
fieldIds.add(id);
}
}
for (const fields of Object.values(this._fieldObjects)) {
for (const field of fields) {
if (fieldIds.has(field.id) === include) {
allFields.push(field);
}
}
}
} else {
for (const fields of Object.values(this._fieldObjects)) {
allFields.push(...fields);
}
}
const storage = this.annotationStorage;
const allIds = [];
for (const field of allFields) {
const {
id
} = field;
allIds.push(id);
switch (field.type) {
case "text":
{
const value = field.defaultValue || "";
storage.setValue(id, {
value
});
break;
}
case "checkbox":
case "radiobutton":
{
const value = field.defaultValue === field.exportValues;
storage.setValue(id, {
value
});
break;
}
case "combobox":
case "listbox":
{
const value = field.defaultValue || "";
storage.setValue(id, {
value
});
break;
}
default:
continue;
}
const domElement = document.querySelector(`[data-element-id="${id}"]`);
if (!domElement) {
continue;
} else if (!GetElementsByNameSet.has(domElement)) {
(0, _util.warn)(`_bindResetFormAction - element not allowed: ${id}`);
continue;
}
domElement.dispatchEvent(new Event("resetform"));
}
if (this.enableScripting) {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: "app",
ids: allIds,
name: "ResetForm"
}
});
}
return false;
};
}
}
class TextAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable
});
}
render() {
this.container.className = "textAnnotation";
const image = document.createElement("img");
image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
image.alt = "[{{type}} Annotation]";
image.dataset.l10nId = "text_annotation_type";
image.dataset.l10nArgs = JSON.stringify({
type: this.data.name
});
if (!this.data.hasPopup) {
this._createPopup(image, this.data);
}
this.container.append(image);
return this.container;
}
}
class WidgetAnnotationElement extends AnnotationElement {
render() {
if (this.data.alternativeText) {
this.container.title = this.data.alternativeText;
}
return this.container;
}
_getKeyModifier(event) {
const {
isWin,
isMac
} = _util.FeatureTest.platform;
return isWin && event.ctrlKey || isMac && event.metaKey;
}
_setEventListener(element, baseName, eventName, valueGetter) {
if (baseName.includes("mouse")) {
element.addEventListener(baseName, event => {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: this.data.id,
name: eventName,
value: valueGetter(event),
shift: event.shiftKey,
modifier: this._getKeyModifier(event)
}
});
});
} else {
element.addEventListener(baseName, event => {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: this.data.id,
name: eventName,
value: valueGetter(event)
}
});
});
}
}
_setEventListeners(element, names, getter) {
for (const [baseName, eventName] of names) {
if (eventName === "Action" || this.data.actions?.[eventName]) {
this._setEventListener(element, baseName, eventName, getter);
}
}
}
_setBackgroundColor(element) {
const color = this.data.backgroundColor || null;
element.style.backgroundColor = color === null ? "transparent" : _util.Util.makeHexColor(color[0], color[1], color[2]);
}
_setTextStyle(element) {
const TEXT_ALIGNMENT = ["left", "center", "right"];
const {
fontColor
} = this.data.defaultAppearanceData;
const fontSize = this.data.defaultAppearanceData.fontSize || DEFAULT_FONT_SIZE;
const style = element.style;
let computedFontSize;
const BORDER_SIZE = 2;
const roundToOneDecimal = x => Math.round(10 * x) / 10;
if (this.data.multiLine) {
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
const numberOfLines = Math.round(height / (_util.LINE_FACTOR * fontSize)) || 1;
const lineHeight = height / numberOfLines;
computedFontSize = Math.min(fontSize, roundToOneDecimal(lineHeight / _util.LINE_FACTOR));
} else {
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
computedFontSize = Math.min(fontSize, roundToOneDecimal(height / _util.LINE_FACTOR));
}
style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;
style.color = _util.Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
if (this.data.textAlignment !== null) {
style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
}
}
_setRequired(element, isRequired) {
if (isRequired) {
element.setAttribute("required", true);
} else {
element.removeAttribute("required");
}
element.setAttribute("aria-required", isRequired);
}
}
class TextWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
const isRenderable = parameters.renderForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
super(parameters, {
isRenderable
});
}
setPropertyOnSiblings(base, key, value, keyInStorage) {
const storage = this.annotationStorage;
for (const element of this._getElementsByName(base.name, base.id)) {
if (element.domElement) {
element.domElement[key] = value;
}
storage.setValue(element.id, {
[keyInStorage]: value
});
}
}
render() {
const storage = this.annotationStorage;
const id = this.data.id;
this.container.className = "textWidgetAnnotation";
let element = null;
if (this.renderForms) {
const storedData = storage.getValue(id, {
value: this.data.fieldValue
});
let textContent = storedData.formattedValue || storedData.value || "";
const maxLen = storage.getValue(id, {
charLimit: this.data.maxLen
}).charLimit;
if (maxLen && textContent.length > maxLen) {
textContent = textContent.slice(0, maxLen);
}
const elementData = {
userValue: textContent,
formattedValue: null,
lastCommittedValue: null,
commitKey: 1
};
if (this.data.multiLine) {
element = document.createElement("textarea");
element.textContent = textContent;
if (this.data.doNotScroll) {
element.style.overflowY = "hidden";
}
} else {
element = document.createElement("input");
element.type = "text";
element.setAttribute("value", textContent);
if (this.data.doNotScroll) {
element.style.overflowX = "hidden";
}
}
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = this.data.readOnly;
element.name = this.data.fieldName;
element.tabIndex = DEFAULT_TAB_INDEX;
this._setRequired(element, this.data.required);
if (maxLen) {
element.maxLength = maxLen;
}
element.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
this.setPropertyOnSiblings(element, "value", event.target.value, "value");
});
element.addEventListener("resetform", event => {
const defaultValue = this.data.defaultFieldValue ?? "";
element.value = elementData.userValue = defaultValue;
elementData.formattedValue = null;
});
let blurListener = event => {
const {
formattedValue
} = elementData;
if (formattedValue !== null && formattedValue !== undefined) {
event.target.value = formattedValue;
}
event.target.scrollLeft = 0;
};
if (this.enableScripting && this.hasJSActions) {
element.addEventListener("focus", event => {
const {
target
} = event;
if (elementData.userValue) {
target.value = elementData.userValue;
}
elementData.lastCommittedValue = target.value;
elementData.commitKey = 1;
});
element.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value(event) {
elementData.userValue = event.detail.value ?? "";
storage.setValue(id, {
value: elementData.userValue.toString()
});
event.target.value = elementData.userValue;
},
formattedValue(event) {
const {
formattedValue
} = event.detail;
elementData.formattedValue = formattedValue;
if (formattedValue !== null && formattedValue !== undefined && event.target !== document.activeElement) {
event.target.value = formattedValue;
}
storage.setValue(id, {
formattedValue
});
},
selRange(event) {
event.target.setSelectionRange(...event.detail.selRange);
},
charLimit: event => {
const {
charLimit
} = event.detail;
const {
target
} = event;
if (charLimit === 0) {
target.removeAttribute("maxLength");
return;
}
target.setAttribute("maxLength", charLimit);
let value = elementData.userValue;
if (!value || value.length <= charLimit) {
return;
}
value = value.slice(0, charLimit);
target.value = elementData.userValue = value;
storage.setValue(id, {
value
});
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey: 1,
selStart: target.selectionStart,
selEnd: target.selectionEnd
}
});
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
element.addEventListener("keydown", event => {
elementData.commitKey = 1;
let commitKey = -1;
if (event.key === "Escape") {
commitKey = 0;
} else if (event.key === "Enter" && !this.data.multiLine) {
commitKey = 2;
} else if (event.key === "Tab") {
elementData.commitKey = 3;
}
if (commitKey === -1) {
return;
}
const {
value
} = event.target;
if (elementData.lastCommittedValue === value) {
return;
}
elementData.lastCommittedValue = value;
elementData.userValue = value;
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey,
selStart: event.target.selectionStart,
selEnd: event.target.selectionEnd
}
});
});
const _blurListener = blurListener;
blurListener = null;
element.addEventListener("blur", event => {
if (!event.relatedTarget) {
return;
}
const {
value
} = event.target;
elementData.userValue = value;
if (elementData.lastCommittedValue !== value) {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey: elementData.commitKey,
selStart: event.target.selectionStart,
selEnd: event.target.selectionEnd
}
});
}
_blurListener(event);
});
if (this.data.actions?.Keystroke) {
element.addEventListener("beforeinput", event => {
elementData.lastCommittedValue = null;
const {
data,
target
} = event;
const {
value,
selectionStart,
selectionEnd
} = target;
let selStart = selectionStart,
selEnd = selectionEnd;
switch (event.inputType) {
case "deleteWordBackward":
{
const match = value.substring(0, selectionStart).match(/\w*[^\w]*$/);
if (match) {
selStart -= match[0].length;
}
break;
}
case "deleteWordForward":
{
const match = value.substring(selectionStart).match(/^[^\w]*\w*/);
if (match) {
selEnd += match[0].length;
}
break;
}
case "deleteContentBackward":
if (selectionStart === selectionEnd) {
selStart -= 1;
}
break;
case "deleteContentForward":
if (selectionStart === selectionEnd) {
selEnd += 1;
}
break;
}
event.preventDefault();
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
change: data || "",
willCommit: false,
selStart,
selEnd
}
});
});
}
this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
}
if (blurListener) {
element.addEventListener("blur", blurListener);
}
if (this.data.comb) {
const fieldWidth = this.data.rect[2] - this.data.rect[0];
const combWidth = fieldWidth / maxLen;
element.classList.add("comb");
element.style.letterSpacing = `calc(${combWidth}px * var(--scale-factor) - 1ch)`;
}
} else {
element = document.createElement("div");
element.textContent = this.data.fieldValue;
element.style.verticalAlign = "middle";
element.style.display = "table-cell";
}
this._setTextStyle(element);
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
const storage = this.annotationStorage;
const data = this.data;
const id = data.id;
let value = storage.getValue(id, {
value: data.exportValue === data.fieldValue
}).value;
if (typeof value === "string") {
value = value !== "Off";
storage.setValue(id, {
value
});
}
this.container.className = "buttonWidgetAnnotation checkBox";
const element = document.createElement("input");
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = data.readOnly;
this._setRequired(element, this.data.required);
element.type = "checkbox";
element.name = data.fieldName;
if (value) {
element.setAttribute("checked", true);
}
element.setAttribute("exportValue", data.exportValue);
element.tabIndex = DEFAULT_TAB_INDEX;
element.addEventListener("change", event => {
const {
name,
checked
} = event.target;
for (const checkbox of this._getElementsByName(name, id)) {
const curChecked = checked && checkbox.exportValue === data.exportValue;
if (checkbox.domElement) {
checkbox.domElement.checked = curChecked;
}
storage.setValue(checkbox.id, {
value: curChecked
});
}
storage.setValue(id, {
value: checked
});
});
element.addEventListener("resetform", event => {
const defaultValue = data.defaultFieldValue || "Off";
event.target.checked = defaultValue === data.exportValue;
});
if (this.enableScripting && this.hasJSActions) {
element.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value(event) {
event.target.checked = event.detail.value !== "Off";
storage.setValue(id, {
value: event.target.checked
});
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
}
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
this.container.className = "buttonWidgetAnnotation radioButton";
const storage = this.annotationStorage;
const data = this.data;
const id = data.id;
let value = storage.getValue(id, {
value: data.fieldValue === data.buttonValue
}).value;
if (typeof value === "string") {
value = value !== data.buttonValue;
storage.setValue(id, {
value
});
}
const element = document.createElement("input");
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = data.readOnly;
this._setRequired(element, this.data.required);
element.type = "radio";
element.name = data.fieldName;
if (value) {
element.setAttribute("checked", true);
}
element.tabIndex = DEFAULT_TAB_INDEX;
element.addEventListener("change", event => {
const {
name,
checked
} = event.target;
for (const radio of this._getElementsByName(name, id)) {
storage.setValue(radio.id, {
value: false
});
}
storage.setValue(id, {
value: checked
});
});
element.addEventListener("resetform", event => {
const defaultValue = data.defaultFieldValue;
event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
});
if (this.enableScripting && this.hasJSActions) {
const pdfButtonValue = data.buttonValue;
element.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value: event => {
const checked = pdfButtonValue === event.detail.value;
for (const radio of this._getElementsByName(event.target.name)) {
const curChecked = checked && radio.id === id;
if (radio.domElement) {
radio.domElement.checked = curChecked;
}
storage.setValue(radio.id, {
value: curChecked
});
}
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
}
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
constructor(parameters) {
super(parameters, {
ignoreBorder: parameters.data.hasAppearance
});
}
render() {
const container = super.render();
container.className = "buttonWidgetAnnotation pushButton";
if (this.data.alternativeText) {
container.title = this.data.alternativeText;
}
const linkElement = container.lastChild;
if (this.enableScripting && this.hasJSActions && linkElement) {
this._setDefaultPropertiesFromJS(linkElement);
linkElement.addEventListener("updatefromsandbox", jsEvent => {
this._dispatchEventFromSandbox({}, jsEvent);
});
}
return container;
}
}
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
this.container.className = "choiceWidgetAnnotation";
const storage = this.annotationStorage;
const id = this.data.id;
const storedData = storage.getValue(id, {
value: this.data.fieldValue
});
const selectElement = document.createElement("select");
GetElementsByNameSet.add(selectElement);
selectElement.setAttribute("data-element-id", id);
selectElement.disabled = this.data.readOnly;
this._setRequired(selectElement, this.data.required);
selectElement.name = this.data.fieldName;
selectElement.tabIndex = DEFAULT_TAB_INDEX;
let addAnEmptyEntry = this.data.combo && this.data.options.length > 0;
if (!this.data.combo) {
selectElement.size = this.data.options.length;
if (this.data.multiSelect) {
selectElement.multiple = true;
}
}
selectElement.addEventListener("resetform", event => {
const defaultValue = this.data.defaultFieldValue;
for (const option of selectElement.options) {
option.selected = option.value === defaultValue;
}
});
for (const option of this.data.options) {
const optionElement = document.createElement("option");
optionElement.textContent = option.displayValue;
optionElement.value = option.exportValue;
if (storedData.value.includes(option.exportValue)) {
optionElement.setAttribute("selected", true);
addAnEmptyEntry = false;
}
selectElement.append(optionElement);
}
let removeEmptyEntry = null;
if (addAnEmptyEntry) {
const noneOptionElement = document.createElement("option");
noneOptionElement.value = " ";
noneOptionElement.setAttribute("hidden", true);
noneOptionElement.setAttribute("selected", true);
selectElement.prepend(noneOptionElement);
removeEmptyEntry = () => {
noneOptionElement.remove();
selectElement.removeEventListener("input", removeEmptyEntry);
removeEmptyEntry = null;
};
selectElement.addEventListener("input", removeEmptyEntry);
}
const getValue = isExport => {
const name = isExport ? "value" : "textContent";
const {
options,
multiple
} = selectElement;
if (!multiple) {
return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
}
return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
};
let selectedValues = getValue(false);
const getItems = event => {
const options = event.target.options;
return Array.prototype.map.call(options, option => {
return {
displayValue: option.textContent,
exportValue: option.value
};
});
};
if (this.enableScripting && this.hasJSActions) {
selectElement.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value(event) {
removeEmptyEntry?.();
const value = event.detail.value;
const values = new Set(Array.isArray(value) ? value : [value]);
for (const option of selectElement.options) {
option.selected = values.has(option.value);
}
storage.setValue(id, {
value: getValue(true)
});
selectedValues = getValue(false);
},
multipleSelection(event) {
selectElement.multiple = true;
},
remove(event) {
const options = selectElement.options;
const index = event.detail.remove;
options[index].selected = false;
selectElement.remove(index);
if (options.length > 0) {
const i = Array.prototype.findIndex.call(options, option => option.selected);
if (i === -1) {
options[0].selected = true;
}
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
clear(event) {
while (selectElement.length !== 0) {
selectElement.remove(0);
}
storage.setValue(id, {
value: null,
items: []
});
selectedValues = getValue(false);
},
insert(event) {
const {
index,
displayValue,
exportValue
} = event.detail.insert;
const selectChild = selectElement.children[index];
const optionElement = document.createElement("option");
optionElement.textContent = displayValue;
optionElement.value = exportValue;
if (selectChild) {
selectChild.before(optionElement);
} else {
selectElement.append(optionElement);
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
items(event) {
const {
items
} = event.detail;
while (selectElement.length !== 0) {
selectElement.remove(0);
}
for (const item of items) {
const {
displayValue,
exportValue
} = item;
const optionElement = document.createElement("option");
optionElement.textContent = displayValue;
optionElement.value = exportValue;
selectElement.append(optionElement);
}
if (selectElement.options.length > 0) {
selectElement.options[0].selected = true;
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
indices(event) {
const indices = new Set(event.detail.indices);
for (const option of event.target.options) {
option.selected = indices.has(option.index);
}
storage.setValue(id, {
value: getValue(true)
});
selectedValues = getValue(false);
},
editable(event) {
event.target.disabled = !event.detail.editable;
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
selectElement.addEventListener("input", event => {
const exportValue = getValue(true);
storage.setValue(id, {
value: exportValue
});
event.preventDefault();
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value: selectedValues,
changeEx: exportValue,
willCommit: false,
commitKey: 1,
keyDown: false
}
});
});
this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"], ["input", "Validate"]], event => event.target.value);
} else {
selectElement.addEventListener("input", function (event) {
storage.setValue(id, {
value: getValue(true)
});
});
}
if (this.data.combo) {
this._setTextStyle(selectElement);
} else {}
this._setBackgroundColor(selectElement);
this._setDefaultPropertiesFromJS(selectElement);
this.container.append(selectElement);
return this.container;
}
}
class PopupAnnotationElement extends AnnotationElement {
static IGNORE_TYPES = new Set(["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"]);
constructor(parameters) {
const {
data
} = parameters;
const isRenderable = !PopupAnnotationElement.IGNORE_TYPES.has(data.parentType) && !!(data.titleObj?.str || data.contentsObj?.str || data.richText?.str);
super(parameters, {
isRenderable
});
}
render() {
this.container.className = "popupAnnotation";
const parentElements = this.layer.querySelectorAll(`[data-annotation-id="${this.data.parentId}"]`);
if (parentElements.length === 0) {
return this.container;
}
const popup = new PopupElement({
container: this.container,
trigger: Array.from(parentElements),
color: this.data.color,
titleObj: this.data.titleObj,
modificationDate: this.data.modificationDate,
contentsObj: this.data.contentsObj,
richText: this.data.richText
});
const page = this.page;
const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]);
const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0];
const popupTop = rect[1];
const {
pageWidth,
pageHeight,
pageX,
pageY
} = this.viewport.rawDims;
this.container.style.left = `${100 * (popupLeft - pageX) / pageWidth}%`;
this.container.style.top = `${100 * (popupTop - pageY) / pageHeight}%`;
this.container.append(popup.render());
return this.container;
}
}
class PopupElement {
constructor(parameters) {
this.container = parameters.container;
this.trigger = parameters.trigger;
this.color = parameters.color;
this.titleObj = parameters.titleObj;
this.modificationDate = parameters.modificationDate;
this.contentsObj = parameters.contentsObj;
this.richText = parameters.richText;
this.hideWrapper = parameters.hideWrapper || false;
this.pinned = false;
}
render() {
const BACKGROUND_ENLIGHT = 0.7;
const wrapper = document.createElement("div");
wrapper.className = "popupWrapper";
this.hideElement = this.hideWrapper ? wrapper : this.container;
this.hideElement.hidden = true;
const popup = document.createElement("div");
popup.className = "popup";
const color = this.color;
if (color) {
const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0);
}
const title = document.createElement("h1");
title.dir = this.titleObj.dir;
title.textContent = this.titleObj.str;
popup.append(title);
const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
if (dateObject) {
const modificationDate = document.createElement("span");
modificationDate.className = "popupDate";
modificationDate.textContent = "{{date}}, {{time}}";
modificationDate.dataset.l10nId = "annotation_date_string";
modificationDate.dataset.l10nArgs = JSON.stringify({
date: dateObject.toLocaleDateString(),
time: dateObject.toLocaleTimeString()
});
popup.append(modificationDate);
}
if (this.richText?.str && (!this.contentsObj?.str || this.contentsObj.str === this.richText.str)) {
_xfa_layer.XfaLayer.render({
xfaHtml: this.richText.html,
intent: "richText",
div: popup
});
popup.lastChild.className = "richText popupContent";
} else {
const contents = this._formatContents(this.contentsObj);
popup.append(contents);
}
if (!Array.isArray(this.trigger)) {
this.trigger = [this.trigger];
}
for (const element of this.trigger) {
element.addEventListener("click", this._toggle.bind(this));
element.addEventListener("mouseover", this._show.bind(this, false));
element.addEventListener("mouseout", this._hide.bind(this, false));
}
popup.addEventListener("click", this._hide.bind(this, true));
wrapper.append(popup);
return wrapper;
}
_formatContents({
str,
dir
}) {
const p = document.createElement("p");
p.className = "popupContent";
p.dir = dir;
const lines = str.split(/(?:\r\n?|\n)/);
for (let i = 0, ii = lines.length; i < ii; ++i) {
const line = lines[i];
p.append(document.createTextNode(line));
if (i < ii - 1) {
p.append(document.createElement("br"));
}
}
return p;
}
_toggle() {
if (this.pinned) {
this._hide(true);
} else {
this._show(true);
}
}
_show(pin = false) {
if (pin) {
this.pinned = true;
}
if (this.hideElement.hidden) {
this.hideElement.hidden = false;
this.container.style.zIndex = parseInt(this.container.style.zIndex) + 1000;
}
}
_hide(unpin = true) {
if (unpin) {
this.pinned = false;
}
if (!this.hideElement.hidden && !this.pinned) {
this.hideElement.hidden = true;
this.container.style.zIndex = parseInt(this.container.style.zIndex) - 1000;
}
}
}
class FreeTextAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
this.textContent = parameters.data.textContent;
}
render() {
this.container.className = "freeTextAnnotation";
if (this.textContent) {
const content = document.createElement("div");
content.className = "annotationTextContent";
content.setAttribute("role", "comment");
for (const line of this.textContent) {
const lineSpan = document.createElement("span");
lineSpan.textContent = line;
content.append(lineSpan);
}
this.container.append(content);
}
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
return this.container;
}
}
class LineAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
}
render() {
this.container.className = "lineAnnotation";
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const line = this.svgFactory.createElement("svg:line");
line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
line.setAttribute("stroke-width", data.borderStyle.width || 1);
line.setAttribute("stroke", "transparent");
line.setAttribute("fill", "transparent");
svg.append(line);
this.container.append(svg);
this._createPopup(line, data);
return this.container;
}
}
class SquareAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
}
render() {
this.container.className = "squareAnnotation";
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const borderWidth = data.borderStyle.width;
const square = this.svgFactory.createElement("svg:rect");
square.setAttribute("x", borderWidth / 2);
square.setAttribute("y", borderWidth / 2);
square.setAttribute("width", width - borderWidth);
square.setAttribute("height", height - borderWidth);
square.setAttribute("stroke-width", borderWidth || 1);
square.setAttribute("stroke", "transparent");
square.setAttribute("fill", "transparent");
svg.append(square);
this.container.append(svg);
this._createPopup(square, data);
return this.container;
}
}
class CircleAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
}
render() {
this.container.className = "circleAnnotation";
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const borderWidth = data.borderStyle.width;
const circle = this.svgFactory.createElement("svg:ellipse");
circle.setAttribute("cx", width / 2);
circle.setAttribute("cy", height / 2);
circle.setAttribute("rx", width / 2 - borderWidth / 2);
circle.setAttribute("ry", height / 2 - borderWidth / 2);
circle.setAttribute("stroke-width", borderWidth || 1);
circle.setAttribute("stroke", "transparent");
circle.setAttribute("fill", "transparent");
svg.append(circle);
this.container.append(svg);
this._createPopup(circle, data);
return this.container;
}
}
class PolylineAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
this.containerClassName = "polylineAnnotation";
this.svgElementName = "svg:polyline";
}
render() {
this.container.className = this.containerClassName;
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
let points = [];
for (const coordinate of data.vertices) {
const x = coordinate.x - data.rect[0];
const y = data.rect[3] - coordinate.y;
points.push(x + "," + y);
}
points = points.join(" ");
const polyline = this.svgFactory.createElement(this.svgElementName);
polyline.setAttribute("points", points);
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
polyline.setAttribute("stroke", "transparent");
polyline.setAttribute("fill", "transparent");
svg.append(polyline);
this.container.append(svg);
this._createPopup(polyline, data);
return this.container;
}
}
class PolygonAnnotationElement extends PolylineAnnotationElement {
constructor(parameters) {
super(parameters);
this.containerClassName = "polygonAnnotation";
this.svgElementName = "svg:polygon";
}
}
class CaretAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
}
render() {
this.container.className = "caretAnnotation";
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
return this.container;
}
}
class InkAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
this.containerClassName = "inkAnnotation";
this.svgElementName = "svg:polyline";
}
render() {
this.container.className = this.containerClassName;
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
for (const inkList of data.inkLists) {
let points = [];
for (const coordinate of inkList) {
const x = coordinate.x - data.rect[0];
const y = data.rect[3] - coordinate.y;
points.push(`${x},${y}`);
}
points = points.join(" ");
const polyline = this.svgFactory.createElement(this.svgElementName);
polyline.setAttribute("points", points);
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
polyline.setAttribute("stroke", "transparent");
polyline.setAttribute("fill", "transparent");
this._createPopup(polyline, data);
svg.append(polyline);
}
this.container.append(svg);
return this.container;
}
}
class HighlightAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
if (this.quadrilaterals) {
return this._renderQuadrilaterals("highlightAnnotation");
}
this.container.className = "highlightAnnotation";
return this.container;
}
}
class UnderlineAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
if (this.quadrilaterals) {
return this._renderQuadrilaterals("underlineAnnotation");
}
this.container.className = "underlineAnnotation";
return this.container;
}
}
class SquigglyAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
if (this.quadrilaterals) {
return this._renderQuadrilaterals("squigglyAnnotation");
}
this.container.className = "squigglyAnnotation";
return this.container;
}
}
class StrikeOutAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
if (this.quadrilaterals) {
return this._renderQuadrilaterals("strikeoutAnnotation");
}
this.container.className = "strikeoutAnnotation";
return this.container;
}
}
class StampAnnotationElement extends AnnotationElement {
constructor(parameters) {
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
super(parameters, {
isRenderable,
ignoreBorder: true
});
}
render() {
this.container.className = "stampAnnotation";
if (!this.data.hasPopup) {
this._createPopup(null, this.data);
}
return this.container;
}
}
class FileAttachmentAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true
});
const {
filename,
content
} = this.data.file;
this.filename = (0, _display_utils.getFilenameFromUrl)(filename, true);
this.content = content;
this.linkService.eventBus?.dispatch("fileattachmentannotation", {
source: this,
filename,
content
});
}
render() {
this.container.className = "fileAttachmentAnnotation";
let trigger;
if (this.data.hasAppearance) {
trigger = document.createElement("div");
} else {
trigger = document.createElement("img");
trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(this.data.name) ? "paperclip" : "pushpin"}.svg`;
}
trigger.className = "popupTriggerArea";
trigger.addEventListener("dblclick", this._download.bind(this));
if (!this.data.hasPopup && (this.data.titleObj?.str || this.data.contentsObj?.str || this.data.richText)) {
this._createPopup(trigger, this.data);
}
this.container.append(trigger);
return this.container;
}
_download() {
this.downloadManager?.openOrDownloadData(this.container, this.content, this.filename);
}
}
class AnnotationLayer {
static #appendElement(element, id, div, accessibilityManager) {
const contentElement = element.firstChild || element;
contentElement.id = `${_display_utils.AnnotationPrefix}${id}`;
div.append(element);
accessibilityManager?.moveElementInDOM(div, element, contentElement, false);
}
static render(params) {
const {
annotations,
div,
viewport,
accessibilityManager
} = params;
(0, _display_utils.setLayerDimensions)(div, viewport);
const elementParams = {
data: null,
layer: div,
page: params.page,
viewport,
linkService: params.linkService,
downloadManager: params.downloadManager,
imageResourcesPath: params.imageResourcesPath || "",
renderForms: params.renderForms !== false,
svgFactory: new _display_utils.DOMSVGFactory(),
annotationStorage: params.annotationStorage || new _annotation_storage.AnnotationStorage(),
enableScripting: params.enableScripting === true,
hasJSActions: params.hasJSActions,
fieldObjects: params.fieldObjects
};
let zIndex = 0;
for (const data of annotations) {
if (data.annotationType !== _util.AnnotationType.POPUP) {
const {
width,
height
} = getRectDims(data.rect);
if (width <= 0 || height <= 0) {
continue;
}
}
elementParams.data = data;
const element = AnnotationElementFactory.create(elementParams);
if (!element.isRenderable) {
continue;
}
const rendered = element.render();
if (data.hidden) {
rendered.style.visibility = "hidden";
}
if (Array.isArray(rendered)) {
for (const renderedElement of rendered) {
renderedElement.style.zIndex = zIndex++;
AnnotationLayer.#appendElement(renderedElement, data.id, div, accessibilityManager);
}
} else {
rendered.style.zIndex = zIndex++;
if (element instanceof PopupAnnotationElement) {
div.prepend(rendered);
} else {
AnnotationLayer.#appendElement(rendered, data.id, div, accessibilityManager);
}
}
}
this.#setAnnotationCanvasMap(div, params.annotationCanvasMap);
}
static update(params) {
const {
annotationCanvasMap,
div,
viewport
} = params;
(0, _display_utils.setLayerDimensions)(div, {
rotation: viewport.rotation
});
this.#setAnnotationCanvasMap(div, annotationCanvasMap);
div.hidden = false;
}
static #setAnnotationCanvasMap(div, annotationCanvasMap) {
if (!annotationCanvasMap) {
return;
}
for (const [id, canvas] of annotationCanvasMap) {
const element = div.querySelector(`[data-annotation-id="${id}"]`);
if (!element) {
continue;
}
const {
firstChild
} = element;
if (!firstChild) {
element.append(canvas);
} else if (firstChild.nodeName === "CANVAS") {
firstChild.replaceWith(canvas);
} else {
firstChild.before(canvas);
}
}
annotationCanvasMap.clear();
}
}
exports.AnnotationLayer = AnnotationLayer;
/***/ }),
/* 33 */
/***/ ((__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;
/***/ }),
/* 34 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.XfaLayer = void 0;
var _xfa_text = __w_pdfjs_require__(19);
class XfaLayer {
static setupStorage(html, id, element, storage, intent) {
const storedData = storage.getValue(id, {
value: null
});
switch (element.name) {
case "textarea":
if (storedData.value !== null) {
html.textContent = storedData.value;
}
if (intent === "print") {
break;
}
html.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
});
break;
case "input":
if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
if (storedData.value === element.attributes.xfaOn) {
html.setAttribute("checked", true);
} else if (storedData.value === element.attributes.xfaOff) {
html.removeAttribute("checked");
}
if (intent === "print") {
break;
}
html.addEventListener("change", event => {
storage.setValue(id, {
value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
});
});
} else {
if (storedData.value !== null) {
html.setAttribute("value", storedData.value);
}
if (intent === "print") {
break;
}
html.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
});
}
break;
case "select":
if (storedData.value !== null) {
for (const option of element.children) {
if (option.attributes.value === storedData.value) {
option.attributes.selected = true;
}
}
}
html.addEventListener("input", event => {
const options = event.target.options;
const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
storage.setValue(id, {
value
});
});
break;
}
}
static setAttributes({
html,
element,
storage = null,
intent,
linkService
}) {
const {
attributes
} = element;
const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
if (attributes.type === "radio") {
attributes.name = `${attributes.name}-${intent}`;
}
for (const [key, value] of Object.entries(attributes)) {
if (value === null || value === undefined) {
continue;
}
switch (key) {
case "class":
if (value.length) {
html.setAttribute(key, value.join(" "));
}
break;
case "dataId":
break;
case "id":
html.setAttribute("data-element-id", value);
break;
case "style":
Object.assign(html.style, value);
break;
case "textContent":
html.textContent = value;
break;
default:
if (!isHTMLAnchorElement || key !== "href" && key !== "newWindow") {
html.setAttribute(key, value);
}
}
}
if (isHTMLAnchorElement) {
linkService.addLinkAttributes(html, attributes.href, attributes.newWindow);
}
if (storage && attributes.dataId) {
this.setupStorage(html, attributes.dataId, element, storage);
}
}
static render(parameters) {
const storage = parameters.annotationStorage;
const linkService = parameters.linkService;
const root = parameters.xfaHtml;
const intent = parameters.intent || "display";
const rootHtml = document.createElement(root.name);
if (root.attributes) {
this.setAttributes({
html: rootHtml,
element: root,
intent,
linkService
});
}
const stack = [[root, -1, rootHtml]];
const rootDiv = parameters.div;
rootDiv.append(rootHtml);
if (parameters.viewport) {
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
rootDiv.style.transform = transform;
}
if (intent !== "richText") {
rootDiv.setAttribute("class", "xfaLayer xfaFont");
}
const textDivs = [];
while (stack.length > 0) {
const [parent, i, html] = stack.at(-1);
if (i + 1 === parent.children.length) {
stack.pop();
continue;
}
const child = parent.children[++stack.at(-1)[1]];
if (child === null) {
continue;
}
const {
name
} = child;
if (name === "#text") {
const node = document.createTextNode(child.value);
textDivs.push(node);
html.append(node);
continue;
}
let childHtml;
if (child?.attributes?.xmlns) {
childHtml = document.createElementNS(child.attributes.xmlns, name);
} else {
childHtml = document.createElement(name);
}
html.append(childHtml);
if (child.attributes) {
this.setAttributes({
html: childHtml,
element: child,
storage,
intent,
linkService
});
}
if (child.children && child.children.length > 0) {
stack.push([child, -1, childHtml]);
} else if (child.value) {
const node = document.createTextNode(child.value);
if (_xfa_text.XfaText.shouldBuildText(name)) {
textDivs.push(node);
}
childHtml.append(node);
}
}
for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
el.setAttribute("readOnly", true);
}
return {
textDivs
};
}
static update(parameters) {
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
parameters.div.style.transform = transform;
parameters.div.hidden = false;
}
}
exports.XfaLayer = XfaLayer;
/***/ }),
/* 35 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.SVGGraphics = void 0;
var _display_utils = __w_pdfjs_require__(6);
var _util = __w_pdfjs_require__(1);
var _is_node = __w_pdfjs_require__(10);
let SVGGraphics = class {
constructor() {
(0, _util.unreachable)("Not implemented: SVGGraphics");
}
};
exports.SVGGraphics = SVGGraphics;
{
const SVG_DEFAULTS = {
fontStyle: "normal",
fontWeight: "normal",
fillColor: "#000000"
};
const XML_NS = "http://www.w3.org/XML/1998/namespace";
const XLINK_NS = "http://www.w3.org/1999/xlink";
const LINE_CAP_STYLES = ["butt", "round", "square"];
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
const createObjectURL = function (data, contentType = "", forceDataSchema = false) {
if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) {
return URL.createObjectURL(new Blob([data], {
type: contentType
}));
}
const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
let buffer = `data:${contentType};base64,`;
for (let i = 0, ii = data.length; i < ii; i += 3) {
const b1 = data[i] & 0xff;
const b2 = data[i + 1] & 0xff;
const b3 = data[i + 2] & 0xff;
const d1 = b1 >> 2,
d2 = (b1 & 3) << 4 | b2 >> 4;
const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
const d4 = i + 2 < ii ? b3 & 0x3f : 64;
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
}
return buffer;
};
const convertImgDataToPng = function () {
const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
const CHUNK_WRAPPER_SIZE = 12;
const crcTable = new Int32Array(256);
for (let i = 0; i < 256; i++) {
let c = i;
for (let h = 0; h < 8; h++) {
if (c & 1) {
c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
} else {
c = c >> 1 & 0x7fffffff;
}
}
crcTable[i] = c;
}
function crc32(data, start, end) {
let crc = -1;
for (let i = start; i < end; i++) {
const a = (crc ^ data[i]) & 0xff;
const b = crcTable[a];
crc = crc >>> 8 ^ b;
}
return crc ^ -1;
}
function writePngChunk(type, body, data, offset) {
let p = offset;
const len = body.length;
data[p] = len >> 24 & 0xff;
data[p + 1] = len >> 16 & 0xff;
data[p + 2] = len >> 8 & 0xff;
data[p + 3] = len & 0xff;
p += 4;
data[p] = type.charCodeAt(0) & 0xff;
data[p + 1] = type.charCodeAt(1) & 0xff;
data[p + 2] = type.charCodeAt(2) & 0xff;
data[p + 3] = type.charCodeAt(3) & 0xff;
p += 4;
data.set(body, p);
p += body.length;
const crc = crc32(data, offset + 4, p);
data[p] = crc >> 24 & 0xff;
data[p + 1] = crc >> 16 & 0xff;
data[p + 2] = crc >> 8 & 0xff;
data[p + 3] = crc & 0xff;
}
function adler32(data, start, end) {
let a = 1;
let b = 0;
for (let i = start; i < end; ++i) {
a = (a + (data[i] & 0xff)) % 65521;
b = (b + a) % 65521;
}
return b << 16 | a;
}
function deflateSync(literals) {
if (!_is_node.isNodeJS) {
return deflateSyncUncompressed(literals);
}
try {
let input;
if (parseInt(process.versions.node) >= 8) {
input = literals;
} else {
input = Buffer.from(literals);
}
const output = require("zlib").deflateSync(input, {
level: 9
});
return output instanceof Uint8Array ? output : new Uint8Array(output);
} catch (e) {
(0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
}
return deflateSyncUncompressed(literals);
}
function deflateSyncUncompressed(literals) {
let len = literals.length;
const maxBlockLength = 0xffff;
const deflateBlocks = Math.ceil(len / maxBlockLength);
const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
let pi = 0;
idat[pi++] = 0x78;
idat[pi++] = 0x9c;
let pos = 0;
while (len > maxBlockLength) {
idat[pi++] = 0x00;
idat[pi++] = 0xff;
idat[pi++] = 0xff;
idat[pi++] = 0x00;
idat[pi++] = 0x00;
idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
pi += maxBlockLength;
pos += maxBlockLength;
len -= maxBlockLength;
}
idat[pi++] = 0x01;
idat[pi++] = len & 0xff;
idat[pi++] = len >> 8 & 0xff;
idat[pi++] = ~len & 0xffff & 0xff;
idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
idat.set(literals.subarray(pos), pi);
pi += literals.length - pos;
const adler = adler32(literals, 0, literals.length);
idat[pi++] = adler >> 24 & 0xff;
idat[pi++] = adler >> 16 & 0xff;
idat[pi++] = adler >> 8 & 0xff;
idat[pi++] = adler & 0xff;
return idat;
}
function encode(imgData, kind, forceDataSchema, isMask) {
const width = imgData.width;
const height = imgData.height;
let bitDepth, colorType, lineSize;
const bytes = imgData.data;
switch (kind) {
case _util.ImageKind.GRAYSCALE_1BPP:
colorType = 0;
bitDepth = 1;
lineSize = width + 7 >> 3;
break;
case _util.ImageKind.RGB_24BPP:
colorType = 2;
bitDepth = 8;
lineSize = width * 3;
break;
case _util.ImageKind.RGBA_32BPP:
colorType = 6;
bitDepth = 8;
lineSize = width * 4;
break;
default:
throw new Error("invalid format");
}
const literals = new Uint8Array((1 + lineSize) * height);
let offsetLiterals = 0,
offsetBytes = 0;
for (let y = 0; y < height; ++y) {
literals[offsetLiterals++] = 0;
literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
offsetBytes += lineSize;
offsetLiterals += lineSize;
}
if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
offsetLiterals = 0;
for (let y = 0; y < height; y++) {
offsetLiterals++;
for (let i = 0; i < lineSize; i++) {
literals[offsetLiterals++] ^= 0xff;
}
}
}
const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
const idat = deflateSync(literals);
const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
const data = new Uint8Array(pngLength);
let offset = 0;
data.set(PNG_HEADER, offset);
offset += PNG_HEADER.length;
writePngChunk("IHDR", ihdr, data, offset);
offset += CHUNK_WRAPPER_SIZE + ihdr.length;
writePngChunk("IDATA", idat, data, offset);
offset += CHUNK_WRAPPER_SIZE + idat.length;
writePngChunk("IEND", new Uint8Array(0), data, offset);
return createObjectURL(data, "image/png", forceDataSchema);
}
return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
return encode(imgData, kind, forceDataSchema, isMask);
};
}();
class SVGExtraState {
constructor() {
this.fontSizeScale = 1;
this.fontWeight = SVG_DEFAULTS.fontWeight;
this.fontSize = 0;
this.textMatrix = _util.IDENTITY_MATRIX;
this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
this.leading = 0;
this.textRenderingMode = _util.TextRenderingMode.FILL;
this.textMatrixScale = 1;
this.x = 0;
this.y = 0;
this.lineX = 0;
this.lineY = 0;
this.charSpacing = 0;
this.wordSpacing = 0;
this.textHScale = 1;
this.textRise = 0;
this.fillColor = SVG_DEFAULTS.fillColor;
this.strokeColor = "#000000";
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
this.lineJoin = "";
this.lineCap = "";
this.miterLimit = 0;
this.dashArray = [];
this.dashPhase = 0;
this.dependencies = [];
this.activeClipUrl = null;
this.clipGroup = null;
this.maskId = "";
}
clone() {
return Object.create(this);
}
setCurrentPoint(x, y) {
this.x = x;
this.y = y;
}
}
function opListToTree(opList) {
let opTree = [];
const tmp = [];
for (const opListElement of opList) {
if (opListElement.fn === "save") {
opTree.push({
fnId: 92,
fn: "group",
items: []
});
tmp.push(opTree);
opTree = opTree.at(-1).items;
continue;
}
if (opListElement.fn === "restore") {
opTree = tmp.pop();
} else {
opTree.push(opListElement);
}
}
return opTree;
}
function pf(value) {
if (Number.isInteger(value)) {
return value.toString();
}
const s = value.toFixed(10);
let i = s.length - 1;
if (s[i] !== "0") {
return s;
}
do {
i--;
} while (s[i] === "0");
return s.substring(0, s[i] === "." ? i : i + 1);
}
function pm(m) {
if (m[4] === 0 && m[5] === 0) {
if (m[1] === 0 && m[2] === 0) {
if (m[0] === 1 && m[3] === 1) {
return "";
}
return `scale(${pf(m[0])} ${pf(m[3])})`;
}
if (m[0] === m[3] && m[1] === -m[2]) {
const a = Math.acos(m[0]) * 180 / Math.PI;
return `rotate(${pf(a)})`;
}
} else {
if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
return `translate(${pf(m[4])} ${pf(m[5])})`;
}
}
return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
}
let clipCount = 0;
let maskCount = 0;
let shadingCount = 0;
exports.SVGGraphics = SVGGraphics = class {
constructor(commonObjs, objs, forceDataSchema = false) {
(0, _display_utils.deprecated)("The SVG back-end is no longer maintained and *may* be removed in the future.");
this.svgFactory = new _display_utils.DOMSVGFactory();
this.current = new SVGExtraState();
this.transformMatrix = _util.IDENTITY_MATRIX;
this.transformStack = [];
this.extraStack = [];
this.commonObjs = commonObjs;
this.objs = objs;
this.pendingClip = null;
this.pendingEOFill = false;
this.embedFonts = false;
this.embeddedFonts = Object.create(null);
this.cssStyle = null;
this.forceDataSchema = !!forceDataSchema;
this._operatorIdMapping = [];
for (const op in _util.OPS) {
this._operatorIdMapping[_util.OPS[op]] = op;
}
}
getObject(data, fallback = null) {
if (typeof data === "string") {
return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
}
return fallback;
}
save() {
this.transformStack.push(this.transformMatrix);
const old = this.current;
this.extraStack.push(old);
this.current = old.clone();
}
restore() {
this.transformMatrix = this.transformStack.pop();
this.current = this.extraStack.pop();
this.pendingClip = null;
this.tgrp = null;
}
group(items) {
this.save();
this.executeOpTree(items);
this.restore();
}
loadDependencies(operatorList) {
const fnArray = operatorList.fnArray;
const argsArray = operatorList.argsArray;
for (let i = 0, ii = fnArray.length; i < ii; i++) {
if (fnArray[i] !== _util.OPS.dependency) {
continue;
}
for (const obj of argsArray[i]) {
const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
const promise = new Promise(resolve => {
objsPool.get(obj, resolve);
});
this.current.dependencies.push(promise);
}
}
return Promise.all(this.current.dependencies);
}
transform(a, b, c, d, e, f) {
const transformMatrix = [a, b, c, d, e, f];
this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
this.tgrp = null;
}
getSVG(operatorList, viewport) {
this.viewport = viewport;
const svgElement = this._initialize(viewport);
return this.loadDependencies(operatorList).then(() => {
this.transformMatrix = _util.IDENTITY_MATRIX;
this.executeOpTree(this.convertOpList(operatorList));
return svgElement;
});
}
convertOpList(operatorList) {
const operatorIdMapping = this._operatorIdMapping;
const argsArray = operatorList.argsArray;
const fnArray = operatorList.fnArray;
const opList = [];
for (let i = 0, ii = fnArray.length; i < ii; i++) {
const fnId = fnArray[i];
opList.push({
fnId,
fn: operatorIdMapping[fnId],
args: argsArray[i]
});
}
return opListToTree(opList);
}
executeOpTree(opTree) {
for (const opTreeElement of opTree) {
const fn = opTreeElement.fn;
const fnId = opTreeElement.fnId;
const args = opTreeElement.args;
switch (fnId | 0) {
case _util.OPS.beginText:
this.beginText();
break;
case _util.OPS.dependency:
break;
case _util.OPS.setLeading:
this.setLeading(args);
break;
case _util.OPS.setLeadingMoveText:
this.setLeadingMoveText(args[0], args[1]);
break;
case _util.OPS.setFont:
this.setFont(args);
break;
case _util.OPS.showText:
this.showText(args[0]);
break;
case _util.OPS.showSpacedText:
this.showText(args[0]);
break;
case _util.OPS.endText:
this.endText();
break;
case _util.OPS.moveText:
this.moveText(args[0], args[1]);
break;
case _util.OPS.setCharSpacing:
this.setCharSpacing(args[0]);
break;
case _util.OPS.setWordSpacing:
this.setWordSpacing(args[0]);
break;
case _util.OPS.setHScale:
this.setHScale(args[0]);
break;
case _util.OPS.setTextMatrix:
this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
break;
case _util.OPS.setTextRise:
this.setTextRise(args[0]);
break;
case _util.OPS.setTextRenderingMode:
this.setTextRenderingMode(args[0]);
break;
case _util.OPS.setLineWidth:
this.setLineWidth(args[0]);
break;
case _util.OPS.setLineJoin:
this.setLineJoin(args[0]);
break;
case _util.OPS.setLineCap:
this.setLineCap(args[0]);
break;
case _util.OPS.setMiterLimit:
this.setMiterLimit(args[0]);
break;
case _util.OPS.setFillRGBColor:
this.setFillRGBColor(args[0], args[1], args[2]);
break;
case _util.OPS.setStrokeRGBColor:
this.setStrokeRGBColor(args[0], args[1], args[2]);
break;
case _util.OPS.setStrokeColorN:
this.setStrokeColorN(args);
break;
case _util.OPS.setFillColorN:
this.setFillColorN(args);
break;
case _util.OPS.shadingFill:
this.shadingFill(args[0]);
break;
case _util.OPS.setDash:
this.setDash(args[0], args[1]);
break;
case _util.OPS.setRenderingIntent:
this.setRenderingIntent(args[0]);
break;
case _util.OPS.setFlatness:
this.setFlatness(args[0]);
break;
case _util.OPS.setGState:
this.setGState(args[0]);
break;
case _util.OPS.fill:
this.fill();
break;
case _util.OPS.eoFill:
this.eoFill();
break;
case _util.OPS.stroke:
this.stroke();
break;
case _util.OPS.fillStroke:
this.fillStroke();
break;
case _util.OPS.eoFillStroke:
this.eoFillStroke();
break;
case _util.OPS.clip:
this.clip("nonzero");
break;
case _util.OPS.eoClip:
this.clip("evenodd");
break;
case _util.OPS.paintSolidColorImageMask:
this.paintSolidColorImageMask();
break;
case _util.OPS.paintImageXObject:
this.paintImageXObject(args[0]);
break;
case _util.OPS.paintInlineImageXObject:
this.paintInlineImageXObject(args[0]);
break;
case _util.OPS.paintImageMaskXObject:
this.paintImageMaskXObject(args[0]);
break;
case _util.OPS.paintFormXObjectBegin:
this.paintFormXObjectBegin(args[0], args[1]);
break;
case _util.OPS.paintFormXObjectEnd:
this.paintFormXObjectEnd();
break;
case _util.OPS.closePath:
this.closePath();
break;
case _util.OPS.closeStroke:
this.closeStroke();
break;
case _util.OPS.closeFillStroke:
this.closeFillStroke();
break;
case _util.OPS.closeEOFillStroke:
this.closeEOFillStroke();
break;
case _util.OPS.nextLine:
this.nextLine();
break;
case _util.OPS.transform:
this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
break;
case _util.OPS.constructPath:
this.constructPath(args[0], args[1]);
break;
case _util.OPS.endPath:
this.endPath();
break;
case 92:
this.group(opTreeElement.items);
break;
default:
(0, _util.warn)(`Unimplemented operator ${fn}`);
break;
}
}
}
setWordSpacing(wordSpacing) {
this.current.wordSpacing = wordSpacing;
}
setCharSpacing(charSpacing) {
this.current.charSpacing = charSpacing;
}
nextLine() {
this.moveText(0, this.current.leading);
}
setTextMatrix(a, b, c, d, e, f) {
const current = this.current;
current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
current.textMatrixScale = Math.hypot(a, b);
current.x = current.lineX = 0;
current.y = current.lineY = 0;
current.xcoords = [];
current.ycoords = [];
current.tspan = this.svgFactory.createElement("svg:tspan");
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
current.tspan.setAttributeNS(null, "y", pf(-current.y));
current.txtElement = this.svgFactory.createElement("svg:text");
current.txtElement.append(current.tspan);
}
beginText() {
const current = this.current;
current.x = current.lineX = 0;
current.y = current.lineY = 0;
current.textMatrix = _util.IDENTITY_MATRIX;
current.lineMatrix = _util.IDENTITY_MATRIX;
current.textMatrixScale = 1;
current.tspan = this.svgFactory.createElement("svg:tspan");
current.txtElement = this.svgFactory.createElement("svg:text");
current.txtgrp = this.svgFactory.createElement("svg:g");
current.xcoords = [];
current.ycoords = [];
}
moveText(x, y) {
const current = this.current;
current.x = current.lineX += x;
current.y = current.lineY += y;
current.xcoords = [];
current.ycoords = [];
current.tspan = this.svgFactory.createElement("svg:tspan");
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
current.tspan.setAttributeNS(null, "y", pf(-current.y));
}
showText(glyphs) {
const current = this.current;
const font = current.font;
const fontSize = current.fontSize;
if (fontSize === 0) {
return;
}
const fontSizeScale = current.fontSizeScale;
const charSpacing = current.charSpacing;
const wordSpacing = current.wordSpacing;
const fontDirection = current.fontDirection;
const textHScale = current.textHScale * fontDirection;
const vertical = font.vertical;
const spacingDir = vertical ? 1 : -1;
const defaultVMetrics = font.defaultVMetrics;
const widthAdvanceScale = fontSize * current.fontMatrix[0];
let x = 0;
for (const glyph of glyphs) {
if (glyph === null) {
x += fontDirection * wordSpacing;
continue;
} else if (typeof glyph === "number") {
x += spacingDir * glyph * fontSize / 1000;
continue;
}
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
const character = glyph.fontChar;
let scaledX, scaledY;
let width = glyph.width;
if (vertical) {
let vx;
const vmetric = glyph.vmetric || defaultVMetrics;
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
vx = -vx * widthAdvanceScale;
const vy = vmetric[2] * widthAdvanceScale;
width = vmetric ? -vmetric[0] : width;
scaledX = vx / fontSizeScale;
scaledY = (x + vy) / fontSizeScale;
} else {
scaledX = x / fontSizeScale;
scaledY = 0;
}
if (glyph.isInFont || font.missingFile) {
current.xcoords.push(current.x + scaledX);
if (vertical) {
current.ycoords.push(-current.y + scaledY);
}
current.tspan.textContent += character;
} else {}
let charWidth;
if (vertical) {
charWidth = width * widthAdvanceScale - spacing * fontDirection;
} else {
charWidth = width * widthAdvanceScale + spacing * fontDirection;
}
x += charWidth;
}
current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
if (vertical) {
current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
} else {
current.tspan.setAttributeNS(null, "y", pf(-current.y));
}
if (vertical) {
current.y -= x;
} else {
current.x += x * textHScale;
}
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
}
if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
}
const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
if (current.fillColor !== SVG_DEFAULTS.fillColor) {
current.tspan.setAttributeNS(null, "fill", current.fillColor);
}
if (current.fillAlpha < 1) {
current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
}
} else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
current.tspan.setAttributeNS(null, "fill", "transparent");
} else {
current.tspan.setAttributeNS(null, "fill", "none");
}
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
const lineWidthScale = 1 / (current.textMatrixScale || 1);
this._setStrokeAttributes(current.tspan, lineWidthScale);
}
let textMatrix = current.textMatrix;
if (current.textRise !== 0) {
textMatrix = textMatrix.slice();
textMatrix[5] += current.textRise;
}
current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
current.txtElement.append(current.tspan);
current.txtgrp.append(current.txtElement);
this._ensureTransformGroup().append(current.txtElement);
}
setLeadingMoveText(x, y) {
this.setLeading(-y);
this.moveText(x, y);
}
addFontStyle(fontObj) {
if (!fontObj.data) {
throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
}
if (!this.cssStyle) {
this.cssStyle = this.svgFactory.createElement("svg:style");
this.cssStyle.setAttributeNS(null, "type", "text/css");
this.defs.append(this.cssStyle);
}
const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
}
setFont(details) {
const current = this.current;
const fontObj = this.commonObjs.get(details[0]);
let size = details[1];
current.font = fontObj;
if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
this.addFontStyle(fontObj);
this.embeddedFonts[fontObj.loadedName] = fontObj;
}
current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
let bold = "normal";
if (fontObj.black) {
bold = "900";
} else if (fontObj.bold) {
bold = "bold";
}
const italic = fontObj.italic ? "italic" : "normal";
if (size < 0) {
size = -size;
current.fontDirection = -1;
} else {
current.fontDirection = 1;
}
current.fontSize = size;
current.fontFamily = fontObj.loadedName;
current.fontWeight = bold;
current.fontStyle = italic;
current.tspan = this.svgFactory.createElement("svg:tspan");
current.tspan.setAttributeNS(null, "y", pf(-current.y));
current.xcoords = [];
current.ycoords = [];
}
endText() {
const current = this.current;
if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) {
current.element = current.txtElement;
this.clip("nonzero");
this.endPath();
}
}
setLineWidth(width) {
if (width > 0) {
this.current.lineWidth = width;
}
}
setLineCap(style) {
this.current.lineCap = LINE_CAP_STYLES[style];
}
setLineJoin(style) {
this.current.lineJoin = LINE_JOIN_STYLES[style];
}
setMiterLimit(limit) {
this.current.miterLimit = limit;
}
setStrokeAlpha(strokeAlpha) {
this.current.strokeAlpha = strokeAlpha;
}
setStrokeRGBColor(r, g, b) {
this.current.strokeColor = _util.Util.makeHexColor(r, g, b);
}
setFillAlpha(fillAlpha) {
this.current.fillAlpha = fillAlpha;
}
setFillRGBColor(r, g, b) {
this.current.fillColor = _util.Util.makeHexColor(r, g, b);
this.current.tspan = this.svgFactory.createElement("svg:tspan");
this.current.xcoords = [];
this.current.ycoords = [];
}
setStrokeColorN(args) {
this.current.strokeColor = this._makeColorN_Pattern(args);
}
setFillColorN(args) {
this.current.fillColor = this._makeColorN_Pattern(args);
}
shadingFill(args) {
const width = this.viewport.width;
const height = this.viewport.height;
const inv = _util.Util.inverseTransform(this.transformMatrix);
const bl = _util.Util.applyTransform([0, 0], inv);
const br = _util.Util.applyTransform([0, height], inv);
const ul = _util.Util.applyTransform([width, 0], inv);
const ur = _util.Util.applyTransform([width, height], inv);
const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
const rect = this.svgFactory.createElement("svg:rect");
rect.setAttributeNS(null, "x", x0);
rect.setAttributeNS(null, "y", y0);
rect.setAttributeNS(null, "width", x1 - x0);
rect.setAttributeNS(null, "height", y1 - y0);
rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
if (this.current.fillAlpha < 1) {
rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
}
this._ensureTransformGroup().append(rect);
}
_makeColorN_Pattern(args) {
if (args[0] === "TilingPattern") {
return this._makeTilingPattern(args);
}
return this._makeShadingPattern(args);
}
_makeTilingPattern(args) {
const color = args[1];
const operatorList = args[2];
const matrix = args[3] || _util.IDENTITY_MATRIX;
const [x0, y0, x1, y1] = args[4];
const xstep = args[5];
const ystep = args[6];
const paintType = args[7];
const tilingId = `shading${shadingCount++}`;
const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]);
const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
const txstep = xstep * xscale;
const tystep = ystep * yscale;
const tiling = this.svgFactory.createElement("svg:pattern");
tiling.setAttributeNS(null, "id", tilingId);
tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
tiling.setAttributeNS(null, "width", txstep);
tiling.setAttributeNS(null, "height", tystep);
tiling.setAttributeNS(null, "x", `${tx0}`);
tiling.setAttributeNS(null, "y", `${ty0}`);
const svg = this.svg;
const transformMatrix = this.transformMatrix;
const fillColor = this.current.fillColor;
const strokeColor = this.current.strokeColor;
const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
this.svg = bbox;
this.transformMatrix = matrix;
if (paintType === 2) {
const cssColor = _util.Util.makeHexColor(...color);
this.current.fillColor = cssColor;
this.current.strokeColor = cssColor;
}
this.executeOpTree(this.convertOpList(operatorList));
this.svg = svg;
this.transformMatrix = transformMatrix;
this.current.fillColor = fillColor;
this.current.strokeColor = strokeColor;
tiling.append(bbox.childNodes[0]);
this.defs.append(tiling);
return `url(#${tilingId})`;
}
_makeShadingPattern(args) {
if (typeof args === "string") {
args = this.objs.get(args);
}
switch (args[0]) {
case "RadialAxial":
const shadingId = `shading${shadingCount++}`;
const colorStops = args[3];
let gradient;
switch (args[1]) {
case "axial":
const point0 = args[4];
const point1 = args[5];
gradient = this.svgFactory.createElement("svg:linearGradient");
gradient.setAttributeNS(null, "id", shadingId);
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
gradient.setAttributeNS(null, "x1", point0[0]);
gradient.setAttributeNS(null, "y1", point0[1]);
gradient.setAttributeNS(null, "x2", point1[0]);
gradient.setAttributeNS(null, "y2", point1[1]);
break;
case "radial":
const focalPoint = args[4];
const circlePoint = args[5];
const focalRadius = args[6];
const circleRadius = args[7];
gradient = this.svgFactory.createElement("svg:radialGradient");
gradient.setAttributeNS(null, "id", shadingId);
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
gradient.setAttributeNS(null, "cx", circlePoint[0]);
gradient.setAttributeNS(null, "cy", circlePoint[1]);
gradient.setAttributeNS(null, "r", circleRadius);
gradient.setAttributeNS(null, "fx", focalPoint[0]);
gradient.setAttributeNS(null, "fy", focalPoint[1]);
gradient.setAttributeNS(null, "fr", focalRadius);
break;
default:
throw new Error(`Unknown RadialAxial type: ${args[1]}`);
}
for (const colorStop of colorStops) {
const stop = this.svgFactory.createElement("svg:stop");
stop.setAttributeNS(null, "offset", colorStop[0]);
stop.setAttributeNS(null, "stop-color", colorStop[1]);
gradient.append(stop);
}
this.defs.append(gradient);
return `url(#${shadingId})`;
case "Mesh":
(0, _util.warn)("Unimplemented pattern Mesh");
return null;
case "Dummy":
return "hotpink";
default:
throw new Error(`Unknown IR type: ${args[0]}`);
}
}
setDash(dashArray, dashPhase) {
this.current.dashArray = dashArray;
this.current.dashPhase = dashPhase;
}
constructPath(ops, args) {
const current = this.current;
let x = current.x,
y = current.y;
let d = [];
let j = 0;
for (const op of ops) {
switch (op | 0) {
case _util.OPS.rectangle:
x = args[j++];
y = args[j++];
const width = args[j++];
const height = args[j++];
const xw = x + width;
const yh = y + height;
d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
break;
case _util.OPS.moveTo:
x = args[j++];
y = args[j++];
d.push("M", pf(x), pf(y));
break;
case _util.OPS.lineTo:
x = args[j++];
y = args[j++];
d.push("L", pf(x), pf(y));
break;
case _util.OPS.curveTo:
x = args[j + 4];
y = args[j + 5];
d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
j += 6;
break;
case _util.OPS.curveTo2:
d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
x = args[j + 2];
y = args[j + 3];
j += 4;
break;
case _util.OPS.curveTo3:
x = args[j + 2];
y = args[j + 3];
d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
j += 4;
break;
case _util.OPS.closePath:
d.push("Z");
break;
}
}
d = d.join(" ");
if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
d = current.path.getAttributeNS(null, "d") + d;
} else {
current.path = this.svgFactory.createElement("svg:path");
this._ensureTransformGroup().append(current.path);
}
current.path.setAttributeNS(null, "d", d);
current.path.setAttributeNS(null, "fill", "none");
current.element = current.path;
current.setCurrentPoint(x, y);
}
endPath() {
const current = this.current;
current.path = null;
if (!this.pendingClip) {
return;
}
if (!current.element) {
this.pendingClip = null;
return;
}
const clipId = `clippath${clipCount++}`;
const clipPath = this.svgFactory.createElement("svg:clipPath");
clipPath.setAttributeNS(null, "id", clipId);
clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
const clipElement = current.element.cloneNode(true);
if (this.pendingClip === "evenodd") {
clipElement.setAttributeNS(null, "clip-rule", "evenodd");
} else {
clipElement.setAttributeNS(null, "clip-rule", "nonzero");
}
this.pendingClip = null;
clipPath.append(clipElement);
this.defs.append(clipPath);
if (current.activeClipUrl) {
current.clipGroup = null;
for (const prev of this.extraStack) {
prev.clipGroup = null;
}
clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
}
current.activeClipUrl = `url(#${clipId})`;
this.tgrp = null;
}
clip(type) {
this.pendingClip = type;
}
closePath() {
const current = this.current;
if (current.path) {
const d = `${current.path.getAttributeNS(null, "d")}Z`;
current.path.setAttributeNS(null, "d", d);
}
}
setLeading(leading) {
this.current.leading = -leading;
}
setTextRise(textRise) {
this.current.textRise = textRise;
}
setTextRenderingMode(textRenderingMode) {
this.current.textRenderingMode = textRenderingMode;
}
setHScale(scale) {
this.current.textHScale = scale / 100;
}
setRenderingIntent(intent) {}
setFlatness(flatness) {}
setGState(states) {
for (const [key, value] of states) {
switch (key) {
case "LW":
this.setLineWidth(value);
break;
case "LC":
this.setLineCap(value);
break;
case "LJ":
this.setLineJoin(value);
break;
case "ML":
this.setMiterLimit(value);
break;
case "D":
this.setDash(value[0], value[1]);
break;
case "RI":
this.setRenderingIntent(value);
break;
case "FL":
this.setFlatness(value);
break;
case "Font":
this.setFont(value);
break;
case "CA":
this.setStrokeAlpha(value);
break;
case "ca":
this.setFillAlpha(value);
break;
default:
(0, _util.warn)(`Unimplemented graphic state operator ${key}`);
break;
}
}
}
fill() {
const current = this.current;
if (current.element) {
current.element.setAttributeNS(null, "fill", current.fillColor);
current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
this.endPath();
}
}
stroke() {
const current = this.current;
if (current.element) {
this._setStrokeAttributes(current.element);
current.element.setAttributeNS(null, "fill", "none");
this.endPath();
}
}
_setStrokeAttributes(element, lineWidthScale = 1) {
const current = this.current;
let dashArray = current.dashArray;
if (lineWidthScale !== 1 && dashArray.length > 0) {
dashArray = dashArray.map(function (value) {
return lineWidthScale * value;
});
}
element.setAttributeNS(null, "stroke", current.strokeColor);
element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
element.setAttributeNS(null, "stroke-linecap", current.lineCap);
element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
}
eoFill() {
this.current.element?.setAttributeNS(null, "fill-rule", "evenodd");
this.fill();
}
fillStroke() {
this.stroke();
this.fill();
}
eoFillStroke() {
this.current.element?.setAttributeNS(null, "fill-rule", "evenodd");
this.fillStroke();
}
closeStroke() {
this.closePath();
this.stroke();
}
closeFillStroke() {
this.closePath();
this.fillStroke();
}
closeEOFillStroke() {
this.closePath();
this.eoFillStroke();
}
paintSolidColorImageMask() {
const rect = this.svgFactory.createElement("svg:rect");
rect.setAttributeNS(null, "x", "0");
rect.setAttributeNS(null, "y", "0");
rect.setAttributeNS(null, "width", "1px");
rect.setAttributeNS(null, "height", "1px");
rect.setAttributeNS(null, "fill", this.current.fillColor);
this._ensureTransformGroup().append(rect);
}
paintImageXObject(objId) {
const imgData = this.getObject(objId);
if (!imgData) {
(0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
return;
}
this.paintInlineImageXObject(imgData);
}
paintInlineImageXObject(imgData, mask) {
const width = imgData.width;
const height = imgData.height;
const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
const cliprect = this.svgFactory.createElement("svg:rect");
cliprect.setAttributeNS(null, "x", "0");
cliprect.setAttributeNS(null, "y", "0");
cliprect.setAttributeNS(null, "width", pf(width));
cliprect.setAttributeNS(null, "height", pf(height));
this.current.element = cliprect;
this.clip("nonzero");
const imgEl = this.svgFactory.createElement("svg:image");
imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
imgEl.setAttributeNS(null, "x", "0");
imgEl.setAttributeNS(null, "y", pf(-height));
imgEl.setAttributeNS(null, "width", pf(width) + "px");
imgEl.setAttributeNS(null, "height", pf(height) + "px");
imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
if (mask) {
mask.append(imgEl);
} else {
this._ensureTransformGroup().append(imgEl);
}
}
paintImageMaskXObject(img) {
const imgData = this.getObject(img.data, img);
if (imgData.bitmap) {
(0, _util.warn)("paintImageMaskXObject: ImageBitmap support is not implemented, " + "ensure that the `isOffscreenCanvasSupported` API parameter is disabled.");
return;
}
const current = this.current;
const width = imgData.width;
const height = imgData.height;
const fillColor = current.fillColor;
current.maskId = `mask${maskCount++}`;
const mask = this.svgFactory.createElement("svg:mask");
mask.setAttributeNS(null, "id", current.maskId);
const rect = this.svgFactory.createElement("svg:rect");
rect.setAttributeNS(null, "x", "0");
rect.setAttributeNS(null, "y", "0");
rect.setAttributeNS(null, "width", pf(width));
rect.setAttributeNS(null, "height", pf(height));
rect.setAttributeNS(null, "fill", fillColor);
rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
this.defs.append(mask);
this._ensureTransformGroup().append(rect);
this.paintInlineImageXObject(imgData, mask);
}
paintFormXObjectBegin(matrix, bbox) {
if (Array.isArray(matrix) && matrix.length === 6) {
this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
if (bbox) {
const width = bbox[2] - bbox[0];
const height = bbox[3] - bbox[1];
const cliprect = this.svgFactory.createElement("svg:rect");
cliprect.setAttributeNS(null, "x", bbox[0]);
cliprect.setAttributeNS(null, "y", bbox[1]);
cliprect.setAttributeNS(null, "width", pf(width));
cliprect.setAttributeNS(null, "height", pf(height));
this.current.element = cliprect;
this.clip("nonzero");
this.endPath();
}
}
paintFormXObjectEnd() {}
_initialize(viewport) {
const svg = this.svgFactory.create(viewport.width, viewport.height);
const definitions = this.svgFactory.createElement("svg:defs");
svg.append(definitions);
this.defs = definitions;
const rootGroup = this.svgFactory.createElement("svg:g");
rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
svg.append(rootGroup);
this.svg = rootGroup;
return svg;
}
_ensureClipGroup() {
if (!this.current.clipGroup) {
const clipGroup = this.svgFactory.createElement("svg:g");
clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
this.svg.append(clipGroup);
this.current.clipGroup = clipGroup;
}
return this.current.clipGroup;
}
_ensureTransformGroup() {
if (!this.tgrp) {
this.tgrp = this.svgFactory.createElement("svg:g");
this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
if (this.current.activeClipUrl) {
this._ensureClipGroup().append(this.tgrp);
} else {
this.svg.append(this.tgrp);
}
}
return this.tgrp;
}
};
}
/***/ })
/******/ ]);
/************************************************************************/
/******/ // 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, "AbortException", ({
enumerable: true,
get: function () {
return _util.AbortException;
}
}));
Object.defineProperty(exports, "AnnotationEditorLayer", ({
enumerable: true,
get: function () {
return _annotation_editor_layer.AnnotationEditorLayer;
}
}));
Object.defineProperty(exports, "AnnotationEditorParamsType", ({
enumerable: true,
get: function () {
return _util.AnnotationEditorParamsType;
}
}));
Object.defineProperty(exports, "AnnotationEditorType", ({
enumerable: true,
get: function () {
return _util.AnnotationEditorType;
}
}));
Object.defineProperty(exports, "AnnotationEditorUIManager", ({
enumerable: true,
get: function () {
return _tools.AnnotationEditorUIManager;
}
}));
Object.defineProperty(exports, "AnnotationLayer", ({
enumerable: true,
get: function () {
return _annotation_layer.AnnotationLayer;
}
}));
Object.defineProperty(exports, "AnnotationMode", ({
enumerable: true,
get: function () {
return _util.AnnotationMode;
}
}));
Object.defineProperty(exports, "CMapCompressionType", ({
enumerable: true,
get: function () {
return _util.CMapCompressionType;
}
}));
Object.defineProperty(exports, "FeatureTest", ({
enumerable: true,
get: function () {
return _util.FeatureTest;
}
}));
Object.defineProperty(exports, "GlobalWorkerOptions", ({
enumerable: true,
get: function () {
return _worker_options.GlobalWorkerOptions;
}
}));
Object.defineProperty(exports, "InvalidPDFException", ({
enumerable: true,
get: function () {
return _util.InvalidPDFException;
}
}));
Object.defineProperty(exports, "MissingPDFException", ({
enumerable: true,
get: function () {
return _util.MissingPDFException;
}
}));
Object.defineProperty(exports, "OPS", ({
enumerable: true,
get: function () {
return _util.OPS;
}
}));
Object.defineProperty(exports, "PDFDataRangeTransport", ({
enumerable: true,
get: function () {
return _api.PDFDataRangeTransport;
}
}));
Object.defineProperty(exports, "PDFDateString", ({
enumerable: true,
get: function () {
return _display_utils.PDFDateString;
}
}));
Object.defineProperty(exports, "PDFWorker", ({
enumerable: true,
get: function () {
return _api.PDFWorker;
}
}));
Object.defineProperty(exports, "PasswordResponses", ({
enumerable: true,
get: function () {
return _util.PasswordResponses;
}
}));
Object.defineProperty(exports, "PermissionFlag", ({
enumerable: true,
get: function () {
return _util.PermissionFlag;
}
}));
Object.defineProperty(exports, "PixelsPerInch", ({
enumerable: true,
get: function () {
return _display_utils.PixelsPerInch;
}
}));
Object.defineProperty(exports, "RenderingCancelledException", ({
enumerable: true,
get: function () {
return _display_utils.RenderingCancelledException;
}
}));
Object.defineProperty(exports, "SVGGraphics", ({
enumerable: true,
get: function () {
return _svg.SVGGraphics;
}
}));
Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({
enumerable: true,
get: function () {
return _util.UNSUPPORTED_FEATURES;
}
}));
Object.defineProperty(exports, "UnexpectedResponseException", ({
enumerable: true,
get: function () {
return _util.UnexpectedResponseException;
}
}));
Object.defineProperty(exports, "Util", ({
enumerable: true,
get: function () {
return _util.Util;
}
}));
Object.defineProperty(exports, "VerbosityLevel", ({
enumerable: true,
get: function () {
return _util.VerbosityLevel;
}
}));
Object.defineProperty(exports, "XfaLayer", ({
enumerable: true,
get: function () {
return _xfa_layer.XfaLayer;
}
}));
Object.defineProperty(exports, "build", ({
enumerable: true,
get: function () {
return _api.build;
}
}));
Object.defineProperty(exports, "createPromiseCapability", ({
enumerable: true,
get: function () {
return _util.createPromiseCapability;
}
}));
Object.defineProperty(exports, "createValidAbsoluteUrl", ({
enumerable: true,
get: function () {
return _util.createValidAbsoluteUrl;
}
}));
Object.defineProperty(exports, "getDocument", ({
enumerable: true,
get: function () {
return _api.getDocument;
}
}));
Object.defineProperty(exports, "getFilenameFromUrl", ({
enumerable: true,
get: function () {
return _display_utils.getFilenameFromUrl;
}
}));
Object.defineProperty(exports, "getPdfFilenameFromUrl", ({
enumerable: true,
get: function () {
return _display_utils.getPdfFilenameFromUrl;
}
}));
Object.defineProperty(exports, "getXfaPageViewport", ({
enumerable: true,
get: function () {
return _display_utils.getXfaPageViewport;
}
}));
Object.defineProperty(exports, "isDataScheme", ({
enumerable: true,
get: function () {
return _display_utils.isDataScheme;
}
}));
Object.defineProperty(exports, "isPdfFile", ({
enumerable: true,
get: function () {
return _display_utils.isPdfFile;
}
}));
Object.defineProperty(exports, "loadScript", ({
enumerable: true,
get: function () {
return _display_utils.loadScript;
}
}));
Object.defineProperty(exports, "renderTextLayer", ({
enumerable: true,
get: function () {
return _text_layer.renderTextLayer;
}
}));
Object.defineProperty(exports, "setLayerDimensions", ({
enumerable: true,
get: function () {
return _display_utils.setLayerDimensions;
}
}));
Object.defineProperty(exports, "shadow", ({
enumerable: true,
get: function () {
return _util.shadow;
}
}));
Object.defineProperty(exports, "updateTextLayer", ({
enumerable: true,
get: function () {
return _text_layer.updateTextLayer;
}
}));
Object.defineProperty(exports, "version", ({
enumerable: true,
get: function () {
return _api.version;
}
}));
var _util = __w_pdfjs_require__(1);
var _api = __w_pdfjs_require__(2);
var _display_utils = __w_pdfjs_require__(6);
var _text_layer = __w_pdfjs_require__(26);
var _annotation_editor_layer = __w_pdfjs_require__(27);
var _tools = __w_pdfjs_require__(5);
var _annotation_layer = __w_pdfjs_require__(32);
var _worker_options = __w_pdfjs_require__(14);
var _svg = __w_pdfjs_require__(35);
var _xfa_layer = __w_pdfjs_require__(34);
const pdfjsVersion = '3.4.120';
const pdfjsBuild = 'af6414988';
})();
/******/ return __webpack_exports__;
/******/ })()
;
});
//# sourceMappingURL=pdf.js.map
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