FM / embedders

/var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/embedders/

/var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/embedders

Name	Size	Mode	Actions
CMap.d.ts	237	0644	edit dl rm
CMap.d.ts.map	226	0644	edit dl rm
CMap.js	2207	0644	edit dl rm
CMap.js.map	1632	0644	edit dl rm
CustomFontEmbedder.d.ts	2192	0644	edit dl rm
CustomFontEmbedder.d.ts.map	1766	0644	edit dl rm
CustomFontEmbedder.js	11604	0644	edit dl rm
CustomFontEmbedder.js.map	7213	0644	edit dl rm
CustomFontSubsetEmbedder.d.ts	1003	0644	edit dl rm
CustomFontSubsetEmbedder.d.ts.map	731	0644	edit dl rm
CustomFontSubsetEmbedder.js	3241	0644	edit dl rm
CustomFontSubsetEmbedder.js.map	2271	0644	edit dl rm
FileEmbedder.d.ts	1108	0644	edit dl rm
FileEmbedder.d.ts.map	871	0644	edit dl rm
FileEmbedder.js	3654	0644	edit dl rm
FileEmbedder.js.map	1946	0644	edit dl rm
FontFlags.d.ts	395	0644	edit dl rm
FontFlags.d.ts.map	517	0644	edit dl rm
FontFlags.js	1220	0644	edit dl rm
FontFlags.js.map	1288	0644	edit dl rm
JavaScriptEmbedder.d.ts	435	0644	edit dl rm
JavaScriptEmbedder.d.ts.map	467	0644	edit dl rm
JavaScriptEmbedder.js	1405	0644	edit dl rm
JavaScriptEmbedder.js.map	803	0644	edit dl rm
JpegEmbedder.d.ts	846	0644	edit dl rm
JpegEmbedder.d.ts.map	613	0644	edit dl rm
JpegEmbedder.js	4421	0644	edit dl rm
JpegEmbedder.js.map	2764	0644	edit dl rm
PDFPageEmbedder.d.ts	1370	0644	edit dl rm
PDFPageEmbedder.d.ts.map	878	0644	edit dl rm
PDFPageEmbedder.js	4625	0644	edit dl rm
PDFPageEmbedder.js.map	2958	0644	edit dl rm
PngEmbedder.d.ts	759	0644	edit dl rm
PngEmbedder.d.ts.map	565	0644	edit dl rm
PngEmbedder.js	2636	0644	edit dl rm
PngEmbedder.js.map	1634	0644	edit dl rm
StandardFontEmbedder.d.ts	1439	0644	edit dl rm
StandardFontEmbedder.d.ts.map	989	0644	edit dl rm
StandardFontEmbedder.js	4472	0644	edit dl rm
StandardFontEmbedder.js.map	3586	0644	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/pdf-lib/cjs/core/embedders/JpegEmbedder.js (4421B)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
// prettier-ignore
var MARKERS = [
    0xffc0, 0xffc1, 0xffc2,
    0xffc3, 0xffc5, 0xffc6,
    0xffc7, 0xffc8, 0xffc9,
    0xffca, 0xffcb, 0xffcc,
    0xffcd, 0xffce, 0xffcf,
];
var ColorSpace;
(function (ColorSpace) {
    ColorSpace["DeviceGray"] = "DeviceGray";
    ColorSpace["DeviceRGB"] = "DeviceRGB";
    ColorSpace["DeviceCMYK"] = "DeviceCMYK";
})(ColorSpace || (ColorSpace = {}));
var ChannelToColorSpace = {
    1: ColorSpace.DeviceGray,
    3: ColorSpace.DeviceRGB,
    4: ColorSpace.DeviceCMYK,
};
/**
 * A note of thanks to the developers of https://github.com/foliojs/pdfkit, as
 * this class borrows from:
 *   https://github.com/foliojs/pdfkit/blob/a6af76467ce06bd6a2af4aa7271ccac9ff152a7d/lib/image/jpeg.js
 */
var JpegEmbedder = /** @class */ (function () {
    function JpegEmbedder(imageData, bitsPerComponent, width, height, colorSpace) {
        this.imageData = imageData;
        this.bitsPerComponent = bitsPerComponent;
        this.width = width;
        this.height = height;
        this.colorSpace = colorSpace;
    }
    JpegEmbedder.for = function (imageData) {
        return tslib_1.__awaiter(this, void 0, void 0, function () {
            var dataView, soi, pos, marker, bitsPerComponent, height, width, channelByte, channelName, colorSpace;
            return tslib_1.__generator(this, function (_a) {
                dataView = new DataView(imageData.buffer);
                soi = dataView.getUint16(0);
                if (soi !== 0xffd8)
                    throw new Error('SOI not found in JPEG');
                pos = 2;
                while (pos < dataView.byteLength) {
                    marker = dataView.getUint16(pos);
                    pos += 2;
                    if (MARKERS.includes(marker))
                        break;
                    pos += dataView.getUint16(pos);
                }
                if (!MARKERS.includes(marker))
                    throw new Error('Invalid JPEG');
                pos += 2;
                bitsPerComponent = dataView.getUint8(pos++);
                height = dataView.getUint16(pos);
                pos += 2;
                width = dataView.getUint16(pos);
                pos += 2;
                channelByte = dataView.getUint8(pos++);
                channelName = ChannelToColorSpace[channelByte];
                if (!channelName)
                    throw new Error('Unknown JPEG channel.');
                colorSpace = channelName;
                return [2 /*return*/, new JpegEmbedder(imageData, bitsPerComponent, width, height, colorSpace)];
            });
        });
    };
    JpegEmbedder.prototype.embedIntoContext = function (context, ref) {
        return tslib_1.__awaiter(this, void 0, void 0, function () {
            var xObject;
            return tslib_1.__generator(this, function (_a) {
                xObject = context.stream(this.imageData, {
                    Type: 'XObject',
                    Subtype: 'Image',
                    BitsPerComponent: this.bitsPerComponent,
                    Width: this.width,
                    Height: this.height,
                    ColorSpace: this.colorSpace,
                    Filter: 'DCTDecode',
                    // CMYK JPEG streams in PDF are typically stored complemented,
                    // with 1 as 'off' and 0 as 'on' (PDF 32000-1:2008, 8.6.4.4).
                    //
                    // Standalone CMYK JPEG (usually exported by Photoshop) are
                    // stored inverse, with 0 as 'off' and 1 as 'on', like RGB.
                    //
                    // Applying a swap here as a hedge that most bytes passing
                    // through this method will benefit from it.
                    Decode: this.colorSpace === ColorSpace.DeviceCMYK
                        ? [1, 0, 1, 0, 1, 0, 1, 0]
                        : undefined,
                });
                if (ref) {
                    context.assign(ref, xObject);
                    return [2 /*return*/, ref];
                }
                else {
                    return [2 /*return*/, context.register(xObject)];
                }
                return [2 /*return*/];
            });
        });
    };
    return JpegEmbedder;
}());
exports.default = JpegEmbedder;
//# sourceMappingURL=JpegEmbedder.js.map

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