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54 lines
1.1 KiB
JavaScript
54 lines
1.1 KiB
JavaScript
// Generated by CoffeeScript 1.12.5
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/*
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PDFImage - embeds images in PDF documents
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By Devon Govett
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*/
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(function() {
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var Data, JPEG, PDFImage, PNG, fs;
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fs = require('fs');
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Data = require('./data');
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JPEG = require('./image/jpeg');
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PNG = require('./image/png');
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PDFImage = (function() {
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function PDFImage() {}
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PDFImage.open = function(src, label) {
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var data, match;
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if (Buffer.isBuffer(src)) {
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data = src;
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} else if (src instanceof ArrayBuffer) {
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data = new Buffer(new Uint8Array(src));
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} else {
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if (match = /^data:.+;base64,(.*)$/.exec(src)) {
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data = new Buffer(match[1], 'base64');
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} else {
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data = fs.readFileSync(src);
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if (!data) {
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return;
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}
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}
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}
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if (data[0] === 0xff && data[1] === 0xd8) {
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return new JPEG(data, label);
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} else if (data[0] === 0x89 && data.toString('ascii', 1, 4) === 'PNG') {
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return new PNG(data, label);
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} else {
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throw new Error('Unknown image format.');
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}
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};
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return PDFImage;
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})();
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module.exports = PDFImage;
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}).call(this);
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