ngx-extended-pdf-viewer
Version:
Embedding PDF files in your Angular application. Highly configurable viewer including the toolbar, sidebar, and all the features you're used to.
1,683 lines (1,671 loc) • 556 kB
JavaScript
/**
* @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
*/
/******/ // The require scope
/******/ var __webpack_require__ = {};
/******/
/************************************************************************/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = globalThis.pdfjsLib = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
AbortException: () => (/* reexport */ AbortException),
AnnotationEditorLayer: () => (/* reexport */ AnnotationEditorLayer),
AnnotationEditorParamsType: () => (/* reexport */ AnnotationEditorParamsType),
AnnotationEditorType: () => (/* reexport */ AnnotationEditorType),
AnnotationEditorUIManager: () => (/* reexport */ AnnotationEditorUIManager),
AnnotationLayer: () => (/* reexport */ AnnotationLayer),
AnnotationMode: () => (/* reexport */ AnnotationMode),
CMapCompressionType: () => (/* reexport */ CMapCompressionType),
ColorPicker: () => (/* reexport */ ColorPicker),
DOMSVGFactory: () => (/* reexport */ DOMSVGFactory),
DrawLayer: () => (/* reexport */ DrawLayer),
FeatureTest: () => (/* reexport */ util_FeatureTest),
GlobalWorkerOptions: () => (/* reexport */ GlobalWorkerOptions),
ImageKind: () => (/* reexport */ util_ImageKind),
InvalidPDFException: () => (/* reexport */ InvalidPDFException),
MissingPDFException: () => (/* reexport */ MissingPDFException),
OPS: () => (/* reexport */ OPS),
Outliner: () => (/* reexport */ Outliner),
PDFDataRangeTransport: () => (/* reexport */ PDFDataRangeTransport),
PDFDateString: () => (/* reexport */ PDFDateString),
PDFWorker: () => (/* reexport */ PDFWorker),
PasswordResponses: () => (/* reexport */ PasswordResponses),
PermissionFlag: () => (/* reexport */ PermissionFlag),
PixelsPerInch: () => (/* reexport */ PixelsPerInch),
PromiseCapability: () => (/* reexport */ PromiseCapability),
RenderingCancelledException: () => (/* reexport */ RenderingCancelledException),
UnexpectedResponseException: () => (/* reexport */ UnexpectedResponseException),
Util: () => (/* reexport */ Util),
VerbosityLevel: () => (/* reexport */ VerbosityLevel),
XfaLayer: () => (/* reexport */ XfaLayer),
build: () => (/* reexport */ build),
createValidAbsoluteUrl: () => (/* reexport */ createValidAbsoluteUrl),
fetchData: () => (/* reexport */ fetchData),
getDocument: () => (/* reexport */ getDocument),
getFilenameFromUrl: () => (/* reexport */ getFilenameFromUrl),
getPdfFilenameFromUrl: () => (/* reexport */ getPdfFilenameFromUrl),
getXfaPageViewport: () => (/* reexport */ getXfaPageViewport),
isDataScheme: () => (/* reexport */ isDataScheme),
isPdfFile: () => (/* reexport */ isPdfFile),
noContextMenu: () => (/* reexport */ noContextMenu),
normalizeUnicode: () => (/* reexport */ normalizeUnicode),
renderTextLayer: () => (/* reexport */ renderTextLayer),
setLayerDimensions: () => (/* reexport */ setLayerDimensions),
shadow: () => (/* reexport */ shadow),
updateTextLayer: () => (/* reexport */ updateTextLayer),
version: () => (/* reexport */ version)
});
;// CONCATENATED MODULE: ./src/shared/util.js
const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
const MAX_IMAGE_SIZE_TO_CACHE = 10e6;
const LINE_FACTOR = 1.35;
const LINE_DESCENT_FACTOR = 0.35;
const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
const RenderingIntentFlag = {
ANY: 0x01,
DISPLAY: 0x02,
PRINT: 0x04,
SAVE: 0x08,
ANNOTATIONS_FORMS: 0x10,
ANNOTATIONS_STORAGE: 0x20,
ANNOTATIONS_DISABLE: 0x40,
OPLIST: 0x100
};
const AnnotationMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_FORMS: 2,
ENABLE_STORAGE: 3
};
const AnnotationEditorPrefix = "pdfjs_internal_editor_";
const AnnotationEditorType = {
DISABLE: -1,
NONE: 0,
FREETEXT: 3,
HIGHLIGHT: 9,
STAMP: 13,
INK: 15
};
const AnnotationEditorParamsType = {
RESIZE: 1,
CREATE: 2,
FREETEXT_SIZE: 11,
FREETEXT_COLOR: 12,
FREETEXT_OPACITY: 13,
INK_COLOR: 21,
INK_THICKNESS: 22,
INK_OPACITY: 23,
HIGHLIGHT_COLOR: 31,
HIGHLIGHT_DEFAULT_COLOR: 32
};
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
};
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
};
const util_ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
};
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
};
const AnnotationReplyType = {
GROUP: "Group",
REPLY: "R"
};
const AnnotationFlag = {
INVISIBLE: 0x01,
HIDDEN: 0x02,
PRINT: 0x04,
NOZOOM: 0x08,
NOROTATE: 0x10,
NOVIEW: 0x20,
READONLY: 0x40,
LOCKED: 0x80,
TOGGLENOVIEW: 0x100,
LOCKEDCONTENTS: 0x200
};
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
};
const AnnotationBorderStyleType = {
SOLID: 1,
DASHED: 2,
BEVELED: 3,
INSET: 4,
UNDERLINE: 5
};
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"
};
const DocumentActionEventType = {
WC: "WillClose",
WS: "WillSave",
DS: "DidSave",
WP: "WillPrint",
DP: "DidPrint"
};
const PageActionEventType = {
O: "PageOpen",
C: "PageClose"
};
const VerbosityLevel = {
ERRORS: 0,
WARNINGS: 1,
INFOS: 5
};
const CMapCompressionType = {
NONE: 0,
BINARY: 1
};
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
};
const PasswordResponses = {
NEED_PASSWORD: 1,
INCORRECT_PASSWORD: 2
};
let verbosity = VerbosityLevel.WARNINGS;
function setVerbosityLevel(level) {
if (Number.isInteger(level)) {
verbosity = level;
}
}
function getVerbosityLevel() {
return verbosity;
}
function info(msg) {
if (verbosity >= VerbosityLevel.INFOS) {
if (typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope) {
console.log(`Info: ${msg}`);
} else if (Window && globalThis.ngxConsole) {
globalThis.ngxConsole.log(`Info: ${msg}`);
} else {
console.log(`Info: ${msg}`);
}
}
}
function warn(msg) {
if (verbosity >= VerbosityLevel.WARNINGS) {
if (typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope) {
console.log(`Warning: ${msg}`);
} else if (Window && globalThis.ngxConsole) {
globalThis.ngxConsole.log(`Warning: ${msg}`);
} else {
console.log(`Warning: ${msg}`);
}
}
}
function unreachable(msg) {
throw new Error(msg);
}
function assert(cond, msg) {
if (!cond) {
unreachable(msg);
}
}
function _isValidProtocol(url) {
switch (url?.protocol) {
case "http:":
case "https:":
case "ftp:":
case "mailto:":
case "tel:":
case "capacitor":
return true;
default:
return false;
}
}
function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
if (!url) {
return null;
}
try {
if (options && typeof url === "string") {
if (options.addDefaultProtocol && url.startsWith("www.")) {
const dots = url.match(/\./g);
if (dots?.length >= 2) {
url = `http://${url}`;
}
}
if (options.tryConvertEncoding) {
try {
url = stringToUTF8String(url);
} catch {}
}
}
const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
if (_isValidProtocol(absoluteUrl)) {
return absoluteUrl;
}
} catch {}
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;
}();
class PasswordException extends BaseException {
constructor(msg, code) {
super(msg, "PasswordException");
this.code = code;
}
}
class UnknownErrorException extends BaseException {
constructor(msg, details) {
super(msg, "UnknownErrorException");
this.details = details;
}
}
class InvalidPDFException extends BaseException {
constructor(msg) {
super(msg, "InvalidPDFException");
}
}
class MissingPDFException extends BaseException {
constructor(msg) {
super(msg, "MissingPDFException");
}
}
class UnexpectedResponseException extends BaseException {
constructor(msg, status) {
super(msg, "UnexpectedResponseException");
this.status = status;
}
}
class FormatError extends BaseException {
constructor(msg) {
super(msg, "FormatError");
}
}
class AbortException extends BaseException {
constructor(msg) {
super(msg, "AbortException");
}
}
function bytesToString(bytes) {
if (typeof bytes !== "object" || 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 {
return false;
}
}
class util_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" && typeof navigator?.platform === "string") {
return shadow(this, "platform", {
isMac: navigator.platform.includes("Mac")
});
}
return shadow(this, "platform", {
isMac: false
});
}
static get isCSSRoundSupported() {
return shadow(this, "isCSSRoundSupported", globalThis.CSS?.supports?.("width: round(1.5px, 1px)"));
}
}
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 = this.applyTransform(r, m);
const p2 = this.applyTransform(r.slice(2, 4), m);
const p3 = this.applyTransform([r[0], r[3]], m);
const p4 = this.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])];
}
}
const PDFStringTranslateTable = (/* unused pure expression or super */ null && ([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";
if (str.length % 2 === 1) {
str = str.slice(0, -1);
}
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
encoding = "utf-16le";
if (str.length % 2 === 1) {
str = str.slice(0, -1);
}
} 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);
const decoded = decoder.decode(buffer);
if (!decoded.includes("\x1b")) {
return decoded;
}
return decoded.replaceAll(/\x1b[^\x1b]*(?:\x1b|$)/g, "");
} catch (ex) {
warn(`stringToPDFString: "${ex}".`);
}
}
}
const strBuf = [];
for (let i = 0, ii = str.length; i < ii; i++) {
const charCode = str.charCodeAt(i);
if (charCode === 0x1b) {
while (++i < ii && str.charCodeAt(i) !== 0x1b) {}
continue;
}
const code = PDFStringTranslateTable[charCode];
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?.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("");
}
class PromiseCapability {
#settled = false;
constructor() {
this.promise = new Promise((resolve, reject) => {
this.resolve = data => {
this.#settled = true;
resolve(data);
};
this.reject = reason => {
this.#settled = true;
reject(reason);
};
});
}
get settled() {
return this.#settled;
}
}
let NormalizeRegex = null;
let NormalizationMap = null;
function normalizeUnicode(str) {
if (!NormalizeRegex) {
NormalizeRegex = /([\u00a0\u00b5\u037e\u0eb3\u2000-\u200a\u202f\u2126\ufb00-\ufb04\ufb06\ufb20-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufba1\ufba4-\ufba9\ufbae-\ufbb1\ufbd3-\ufbdc\ufbde-\ufbe7\ufbea-\ufbf8\ufbfc-\ufbfd\ufc00-\ufc5d\ufc64-\ufcf1\ufcf5-\ufd3d\ufd88\ufdf4\ufdfa-\ufdfb\ufe71\ufe77\ufe79\ufe7b\ufe7d]+)|(\ufb05+)/gu;
NormalizationMap = new Map([["ſt", "ſt"]]);
}
return str.replaceAll(NormalizeRegex, (_, p1, p2) => {
return p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2);
});
}
function getUuid() {
if (typeof crypto !== "undefined" && typeof crypto?.randomUUID === "function") {
return crypto.randomUUID();
}
const buf = new Uint8Array(32);
if (typeof crypto !== "undefined" && typeof crypto?.getRandomValues === "function") {
crypto.getRandomValues(buf);
} else {
for (let i = 0; i < 32; i++) {
buf[i] = Math.floor(Math.random() * 255);
}
}
return bytesToString(buf);
}
const AnnotationPrefix = "pdfjs_internal_id_";
;// CONCATENATED MODULE: ./src/display/base_factory.js
class BaseFilterFactory {
constructor() {
if (this.constructor === BaseFilterFactory) {
unreachable("Cannot initialize BaseFilterFactory.");
}
}
addFilter(maps) {
return "none";
}
addHCMFilter(fgColor, bgColor) {
return "none";
}
addHighlightHCMFilter(fgColor, bgColor, newFgColor, newBgColor) {
return "none";
}
destroy(keepHCM = false) {}
}
class BaseCanvasFactory {
constructor() {
if (this.constructor === BaseCanvasFactory) {
unreachable("Cannot initialize BaseCanvasFactory.");
}
}
create(width, height) {
if (width <= 0 || height <= 0) {
throw new Error("Invalid canvas size");
}
const canvas = this._createCanvas(width, height);
const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
willReadFrequently: true
} : undefined;
const context = canvas.getContext("2d", options);
return {
canvas,
context
};
}
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) {
unreachable("Abstract method `_createCanvas` called.");
}
}
class BaseCMapReaderFactory {
constructor({
baseUrl = null,
isCompressed = true
}) {
if (this.constructor === BaseCMapReaderFactory) {
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 ? CMapCompressionType.BINARY : CMapCompressionType.NONE;
return this._fetchData(url, compressionType).catch(reason => {
throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
});
}
_fetchData(url, compressionType) {
unreachable("Abstract method `_fetchData` called.");
}
}
class BaseStandardFontDataFactory {
constructor({
baseUrl = null
}) {
if (this.constructor === BaseStandardFontDataFactory) {
unreachable("Cannot initialize BaseStandardFontDataFactory.");
}
this.baseUrl = baseUrl;
}
async fetch({
filename
}) {
if (!this.baseUrl) {
throw new Error('The standard font "baseUrl" parameter must be specified, ensure that ' + 'the "standardFontDataUrl" API parameter is provided.');
}
if (!filename) {
throw new Error("Font filename must be specified.");
}
const url = `${this.baseUrl}${filename}`;
return this._fetchData(url).catch(reason => {
throw new Error(`Unable to load font data at: ${url}`);
});
}
_fetchData(url) {
unreachable("Abstract method `_fetchData` called.");
}
}
class BaseSVGFactory {
constructor() {
if (this.constructor === BaseSVGFactory) {
unreachable("Cannot initialize BaseSVGFactory.");
}
}
create(width, height, skipDimensions = false) {
if (width <= 0 || height <= 0) {
throw new Error("Invalid SVG dimensions");
}
const svg = this._createSVG("svg:svg");
svg.setAttribute("version", "1.1");
if (!skipDimensions) {
svg.setAttribute("width", `${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) {
unreachable("Abstract method `_createSVG` called.");
}
}
;// CONCATENATED MODULE: ./src/display/display_utils.js
const SVG_NS = "http://www.w3.org/2000/svg";
class PixelsPerInch {
static CSS = 96.0;
static PDF = 72.0;
static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
}
class DOMFilterFactory extends BaseFilterFactory {
#_cache;
#_defs;
#docId;
#document;
#hcmFilter;
#hcmKey;
#hcmUrl;
#hcmHighlightFilter;
#hcmHighlightKey;
#hcmHighlightUrl;
#id = 0;
constructor({
docId,
ownerDocument = globalThis.document
} = {}) {
super();
this.#docId = docId;
this.#document = ownerDocument;
}
get #cache() {
return this.#_cache ||= new Map();
}
get #defs() {
if (!this.#_defs) {
const div = this.#document.createElement("div");
const {
style
} = div;
style.visibility = "hidden";
style.contain = "strict";
style.width = style.height = 0;
style.position = "absolute";
style.top = style.left = 0;
style.zIndex = -1;
const svg = this.#document.createElementNS(SVG_NS, "svg");
svg.setAttribute("width", 0);
svg.setAttribute("height", 0);
this.#_defs = this.#document.createElementNS(SVG_NS, "defs");
div.append(svg);
svg.append(this.#_defs);
this.#document.body.append(div);
}
return this.#_defs;
}
addFilter(maps) {
if (!maps) {
return "none";
}
let value = this.#cache.get(maps);
if (value) {
return value;
}
let tableR, tableG, tableB, key;
if (maps.length === 1) {
const mapR = maps[0];
const buffer = new Array(256);
for (let i = 0; i < 256; i++) {
buffer[i] = mapR[i] / 255;
}
key = tableR = tableG = tableB = buffer.join(",");
} else {
const [mapR, mapG, mapB] = maps;
const bufferR = new Array(256);
const bufferG = new Array(256);
const bufferB = new Array(256);
for (let i = 0; i < 256; i++) {
bufferR[i] = mapR[i] / 255;
bufferG[i] = mapG[i] / 255;
bufferB[i] = mapB[i] / 255;
}
tableR = bufferR.join(",");
tableG = bufferG.join(",");
tableB = bufferB.join(",");
key = `${tableR}${tableG}${tableB}`;
}
value = this.#cache.get(key);
if (value) {
this.#cache.set(maps, value);
return value;
}
const id = `g_${this.#docId}_transfer_map_${this.#id++}`;
const url = `url(#${id})`;
this.#cache.set(maps, url);
this.#cache.set(key, url);
const filter = this.#createFilter(id);
this.#addTransferMapConversion(tableR, tableG, tableB, filter);
return url;
}
addHCMFilter(fgColor, bgColor) {
const key = `${fgColor}-${bgColor}`;
if (this.#hcmKey === key) {
return this.#hcmUrl;
}
this.#hcmKey = key;
this.#hcmUrl = "none";
this.#hcmFilter?.remove();
if (!fgColor || !bgColor) {
return this.#hcmUrl;
}
const fgRGB = this.#getRGB(fgColor);
fgColor = Util.makeHexColor(...fgRGB);
const bgRGB = this.#getRGB(bgColor);
bgColor = Util.makeHexColor(...bgRGB);
this.#defs.style.color = "";
if (fgColor === "#000000" && bgColor === "#ffffff" || fgColor === bgColor) {
return this.#hcmUrl;
}
const map = new Array(256);
for (let i = 0; i <= 255; i++) {
const x = i / 255;
map[i] = x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
}
const table = map.join(",");
const id = `g_${this.#docId}_hcm_filter`;
const filter = this.#hcmHighlightFilter = this.#createFilter(id);
this.#addTransferMapConversion(table, table, table, filter);
this.#addGrayConversion(filter);
const getSteps = (c, n) => {
const start = fgRGB[c] / 255;
const end = bgRGB[c] / 255;
const arr = new Array(n + 1);
for (let i = 0; i <= n; i++) {
arr[i] = start + i / n * (end - start);
}
return arr.join(",");
};
this.#addTransferMapConversion(getSteps(0, 5), getSteps(1, 5), getSteps(2, 5), filter);
this.#hcmUrl = `url(#${id})`;
return this.#hcmUrl;
}
addHighlightHCMFilter(fgColor, bgColor, newFgColor, newBgColor) {
const key = `${fgColor}-${bgColor}-${newFgColor}-${newBgColor}`;
if (this.#hcmHighlightKey === key) {
return this.#hcmHighlightUrl;
}
this.#hcmHighlightKey = key;
this.#hcmHighlightUrl = "none";
this.#hcmHighlightFilter?.remove();
if (!fgColor || !bgColor) {
return this.#hcmHighlightUrl;
}
const [fgRGB, bgRGB] = [fgColor, bgColor].map(this.#getRGB.bind(this));
let fgGray = Math.round(0.2126 * fgRGB[0] + 0.7152 * fgRGB[1] + 0.0722 * fgRGB[2]);
let bgGray = Math.round(0.2126 * bgRGB[0] + 0.7152 * bgRGB[1] + 0.0722 * bgRGB[2]);
let [newFgRGB, newBgRGB] = [newFgColor, newBgColor].map(this.#getRGB.bind(this));
if (bgGray < fgGray) {
[fgGray, bgGray, newFgRGB, newBgRGB] = [bgGray, fgGray, newBgRGB, newFgRGB];
}
this.#defs.style.color = "";
const getSteps = (fg, bg, n) => {
const arr = new Array(256);
const step = (bgGray - fgGray) / n;
const newStart = fg / 255;
const newStep = (bg - fg) / (255 * n);
let prev = 0;
for (let i = 0; i <= n; i++) {
const k = Math.round(fgGray + i * step);
const value = newStart + i * newStep;
for (let j = prev; j <= k; j++) {
arr[j] = value;
}
prev = k + 1;
}
for (let i = prev; i < 256; i++) {
arr[i] = arr[prev - 1];
}
return arr.join(",");
};
const id = `g_${this.#docId}_hcm_highlight_filter`;
const filter = this.#hcmHighlightFilter = this.#createFilter(id);
this.#addGrayConversion(filter);
this.#addTransferMapConversion(getSteps(newFgRGB[0], newBgRGB[0], 5), getSteps(newFgRGB[1], newBgRGB[1], 5), getSteps(newFgRGB[2], newBgRGB[2], 5), filter);
this.#hcmHighlightUrl = `url(#${id})`;
return this.#hcmHighlightUrl;
}
destroy(keepHCM = false) {
if (keepHCM && (this.#hcmUrl || this.#hcmHighlightUrl)) {
return;
}
if (this.#_defs) {
this.#_defs.parentNode.parentNode.remove();
this.#_defs = null;
}
if (this.#_cache) {
this.#_cache.clear();
this.#_cache = null;
}
this.#id = 0;
}
#addGrayConversion(filter) {
const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix");
feColorMatrix.setAttribute("type", "matrix");
feColorMatrix.setAttribute("values", "0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0");
filter.append(feColorMatrix);
}
#createFilter(id) {
const filter = this.#document.createElementNS(SVG_NS, "filter");
filter.setAttribute("color-interpolation-filters", "sRGB");
filter.setAttribute("id", id);
this.#defs.append(filter);
return filter;
}
#appendFeFunc(feComponentTransfer, func, table) {
const feFunc = this.#document.createElementNS(SVG_NS, func);
feFunc.setAttribute("type", "discrete");
feFunc.setAttribute("tableValues", table);
feComponentTransfer.append(feFunc);
}
#addTransferMapConversion(rTable, gTable, bTable, filter) {
const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer");
filter.append(feComponentTransfer);
this.#appendFeFunc(feComponentTransfer, "feFuncR", rTable);
this.#appendFeFunc(feComponentTransfer, "feFuncG", gTable);
this.#appendFeFunc(feComponentTransfer, "feFuncB", bTable);
}
#getRGB(color) {
this.#defs.style.color = color;
return getRGB(getComputedStyle(this.#defs).getPropertyValue("color"));
}
}
class DOMCanvasFactory extends 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;
}
}
async function fetchData(url, type = "text") {
if (isValidFetchUrl(url, document.baseURI)) {
const response = await fetch(url);
if (!response.ok) {
throw new Error(response.statusText);
}
switch (type) {
case "arraybuffer":
return response.arrayBuffer();
case "blob":
return response.blob();
case "json":
return response.json();
}
return response.text();
}
return new Promise((resolve, reject) => {
const request = new XMLHttpRequest();
request.open("GET", url, true);
request.responseType = type;
request.onreadystatechange = () => {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
let data;
switch (type) {
case "arraybuffer":
case "blob":
case "json":
data = request.response;
break;
default:
data = request.responseText;
break;
}
if (data) {
resolve(data);
return;
}
}
reject(new Error(request.statusText));
};
request.send(null);
});
}
class DOMCMapReaderFactory extends BaseCMapReaderFactory {
_fetchData(url, compressionType) {
return fetchData(url, this.isCompressed ? "arraybuffer" : "text").then(data => {
return {
cMapData: data instanceof ArrayBuffer ? new Uint8Array(data) : stringToBytes(data),
compressionType
};
});
}
}
class DOMStandardFontDataFactory extends BaseStandardFontDataFactory {
_fetchData(url) {
return fetchData(url, "arraybuffer").then(data => {
return new Uint8Array(data);
});
}
}
class DOMSVGFactory extends BaseSVGFactory {
_createSVG(type) {
return document.createElementNS(SVG_NS, type);
}
}
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 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.applyTransform([x, y], this.transform);
}
convertToViewportRectangle(rect) {
const topLeft = Util.applyTransform([rect[0], rect[1]], this.transform);
const bottomRight = Util.applyTransform([rect[2], rect[3]], this.transform);
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
}
convertToPdfPoint(x, y) {
return Util.applyInverseTransform([x, y], this.transform);
}
}
class RenderingCancelledException extends BaseException {
constructor(msg, extraDelay = 0) {
super(msg, "RenderingCancelledException");
this.extraDelay = extraDelay;
}
}
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 (window.PDFViewerApplication.appConfig.filenameForDownload) {
return window.PDFViewerApplication.appConfig.filenameForDownload;
}
if (typeof url !== "string") {
return defaultFilename;
}
if (isDataScheme(url)) {
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 {}
}
}
return suggestedFilename || defaultFilename;
}
class StatTimer {
started = Object.create(null);
times = [];
time(name) {
if (name in this.started) {
warn(`Timer is already running for ${name}`);
}
this.started[name] = Date.now();
}
timeEnd(name) {
if (!(name in this.started)) {
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("");
}
}
function isValidFetchUrl(url, baseUrl) {
try {
const {
protocol
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
return protocol === "http:" || protocol === "https:" || protocol === "capacitor:";
} catch {
return false;
}
}
function generateTrustedURL(sourcePath) {
if (window.trustedTypes) {
const sanitizer = window.trustedTypes.createPolicy("pdf-viewer-2", {
createScriptURL: url => url
});
return sanitizer.createScriptURL(sourcePath);
}
return sourcePath;
}
function noContextMenu(e) {
e.preventDefault();
}
function deprecated(details) {
globalThis.ngxConsole.log("Deprecated API usage: " + details);
}
let pdfDateStringRegex;
class PDFDateString {
static toDateObject(input) {
if (!input || typeof input !== "string") {
return null;
}
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));
}
}
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);
}
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 useRound = util_FeatureTest.isCSSRoundSupported;
const w = `var(--scale-factor) * ${pageWidth}px`,
h = `var(--scale-factor) * ${pageHeight}px`;
const widthStr = useRound ? `round(${w}, 1px)` : `calc(${w})`,
heightStr = useRound ? `round(${h}, 1px)` : `calc(${h})`;
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);
}
}
;// CONCATENATED MODULE: ./src/display/editor/tools.js
function bindEvents(obj, element, names) {
for (const name of names) {
element.addEventListener(name, obj[name].bind(obj));
}
}
function opacityToHex(opacity) {