paper.js/src/dom/node.js

58 lines
1.9 KiB
JavaScript

/*
* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
* http://paperjs.org/
*
* Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
* http://scratchdisk.com/ & http://jonathanpuckey.com/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* All rights reserved.
*/
// Node.js emulation layer of browser based environment, based on node-canvas
// and jsdom.
// console.log(__dirname);
var jsdom = require('jsdom'),
domToHtml = require('jsdom/lib/jsdom/browser/domtohtml').domToHtml,
// Node Canvas library: https://github.com/learnboost/node-canvas
Canvas = require('canvas'),
// Expose global browser variables and create a document and a window using
// jsdom, e.g. for import/exportSVG()
document = jsdom.jsdom('<html><body></body></html>'),
window = document.defaultView,
navigator = window.navigator,
HTMLCanvasElement = Canvas,
Image = Canvas.Image;
// Define XMLSerializer and DOMParser shims, to emulate browser behavior.
// TODO: Put this into a simple node module, with dependency on jsdom?
function XMLSerializer() {
}
XMLSerializer.prototype.serializeToString = function(node) {
var text = domToHtml(node);
// Fix a jsdom issue where all SVG tagNames are lowercased:
// https://github.com/tmpvar/jsdom/issues/620
var tagNames = ['linearGradient', 'radialGradient', 'clipPath'];
for (var i = 0, l = tagNames.length; i < l; i++) {
var tagName = tagNames[i];
text = text.replace(
new RegExp('(<|</)' + tagName.toLowerCase() + '\\b', 'g'),
function(all, start) {
return start + tagName;
});
}
return text;
};
function DOMParser() {
}
DOMParser.prototype.parseFromString = function(string, contenType) {
var div = document.createElement('div');
div.innerHTML = string;
return div.firstChild;
};