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112 lines
3.0 KiB
JavaScript
112 lines
3.0 KiB
JavaScript
// Generated by CoffeeScript 1.12.5
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(function() {
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var PDFImage;
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PDFImage = require('../image');
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module.exports = {
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initImages: function() {
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this._imageRegistry = {};
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return this._imageCount = 0;
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},
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image: function(src, x, y, options) {
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var base, bh, bp, bw, h, hp, image, ip, name, ref, ref1, ref2, ref3, w, wp;
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if (options == null) {
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options = {};
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}
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if (typeof x === 'object') {
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options = x;
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x = null;
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}
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x = (ref = x != null ? x : options.x) != null ? ref : this.x;
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y = (ref1 = y != null ? y : options.y) != null ? ref1 : this.y;
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if (typeof src === 'string') {
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image = this._imageRegistry[src];
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}
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if (!image) {
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if (src.width && src.height) {
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image = src;
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} else {
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image = this.openImage(src);
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}
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}
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if (!image.obj) {
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image.embed(this);
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}
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if ((base = this.page.xobjects)[name = image.label] == null) {
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base[name] = image.obj;
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}
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w = options.width || image.width;
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h = options.height || image.height;
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if (options.width && !options.height) {
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wp = w / image.width;
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w = image.width * wp;
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h = image.height * wp;
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} else if (options.height && !options.width) {
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hp = h / image.height;
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w = image.width * hp;
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h = image.height * hp;
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} else if (options.scale) {
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w = image.width * options.scale;
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h = image.height * options.scale;
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} else if (options.fit) {
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ref2 = options.fit, bw = ref2[0], bh = ref2[1];
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bp = bw / bh;
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ip = image.width / image.height;
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if (ip > bp) {
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w = bw;
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h = bw / ip;
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} else {
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h = bh;
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w = bh * ip;
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}
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} else if (options.cover) {
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ref3 = options.cover, bw = ref3[0], bh = ref3[1];
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bp = bw / bh;
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ip = image.width / image.height;
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if (ip > bp) {
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h = bh;
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w = bh * ip;
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} else {
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w = bw;
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h = bw / ip;
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}
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}
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if (options.fit || options.cover) {
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if (options.align === 'center') {
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x = x + bw / 2 - w / 2;
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} else if (options.align === 'right') {
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x = x + bw - w;
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}
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if (options.valign === 'center') {
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y = y + bh / 2 - h / 2;
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} else if (options.valign === 'bottom') {
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y = y + bh - h;
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}
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}
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if (this.y === y) {
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this.y += h;
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}
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this.save();
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this.transform(w, 0, 0, -h, x, y + h);
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this.addContent("/" + image.label + " Do");
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this.restore();
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return this;
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},
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openImage: function(src) {
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var image;
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if (typeof src === 'string') {
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image = this._imageRegistry[src];
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}
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if (!image) {
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image = PDFImage.open(src, 'I' + (++this._imageCount));
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if (typeof src === 'string') {
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this._imageRegistry[src] = image;
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}
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}
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return image;
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}
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};
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}).call(this);
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