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/** @preserve |
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* canvg.js - Javascript SVG parser and renderer on Canvas |
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* MIT Licensed |
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* Gabe Lerner (gabelerner@gmail.com) |
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* http://code.google.com/p/canvg/ |
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* |
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* Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/ |
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*/ |
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(function ( global, factory ) { |
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'use strict'; |
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// export as AMD... |
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if ( typeof define !== 'undefined' && define.amd ) { |
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define('canvgModule', [ 'rgbcolor', 'stackblur' ], factory ); |
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} |
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// ...or as browserify |
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else if ( typeof module !== 'undefined' && module.exports ) { |
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module.exports = factory( require( 'rgbcolor' ), require( 'stackblur' ) ); |
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} |
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global.canvg = factory( global.RGBColor, global.stackBlur ); |
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}( typeof window !== 'undefined' ? window : this, function ( RGBColor, stackBlur ) { |
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// canvg(target, s) |
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// empty parameters: replace all 'svg' elements on page with 'canvas' elements |
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// target: canvas element or the id of a canvas element |
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// s: svg string, url to svg file, or xml document |
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// opts: optional hash of options |
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// ignoreMouse: true => ignore mouse events |
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// ignoreAnimation: true => ignore animations |
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// ignoreDimensions: true => does not try to resize canvas |
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// ignoreClear: true => does not clear canvas |
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// offsetX: int => draws at a x offset |
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// offsetY: int => draws at a y offset |
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// scaleWidth: int => scales horizontally to width |
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// scaleHeight: int => scales vertically to height |
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// renderCallback: function => will call the function after the first render is completed |
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// forceRedraw: function => will call the function on every frame, if it returns true, will redraw |
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var canvg = function (target, s, opts) { |
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// no parameters |
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if (target == null && s == null && opts == null) { |
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var svgTags = document.querySelectorAll('svg'); |
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for (var i=0; i<svgTags.length; i++) { |
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var svgTag = svgTags[i]; |
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var c = document.createElement('canvas'); |
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c.width = svgTag.clientWidth; |
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c.height = svgTag.clientHeight; |
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svgTag.parentNode.insertBefore(c, svgTag); |
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svgTag.parentNode.removeChild(svgTag); |
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var div = document.createElement('div'); |
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div.appendChild(svgTag); |
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canvg(c, div.innerHTML); |
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} |
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return; |
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} |
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if (typeof target == 'string') { |
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target = document.getElementById(target); |
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} |
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// store class on canvas |
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if (target.svg != null) target.svg.stop(); |
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var svg = build(opts || {}); |
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// on i.e. 8 for flash canvas, we can't assign the property so check for it |
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if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg; |
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var ctx = target.getContext('2d'); |
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if (typeof(s.documentElement) != 'undefined') { |
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// load from xml doc |
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svg.loadXmlDoc(ctx, s); |
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} |
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else if (s.substr(0,1) == '<') { |
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// load from xml string |
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svg.loadXml(ctx, s); |
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} |
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else { |
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// load from url |
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svg.load(ctx, s); |
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} |
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} |
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// see https://developer.mozilla.org/en-US/docs/Web/API/Element.matches |
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var matchesSelector; |
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if (typeof(Element.prototype.matches) != 'undefined') { |
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matchesSelector = function(node, selector) { |
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return node.matches(selector); |
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}; |
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} else if (typeof(Element.prototype.webkitMatchesSelector) != 'undefined') { |
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matchesSelector = function(node, selector) { |
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return node.webkitMatchesSelector(selector); |
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}; |
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} else if (typeof(Element.prototype.mozMatchesSelector) != 'undefined') { |
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matchesSelector = function(node, selector) { |
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return node.mozMatchesSelector(selector); |
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}; |
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} else if (typeof(Element.prototype.msMatchesSelector) != 'undefined') { |
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matchesSelector = function(node, selector) { |
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return node.msMatchesSelector(selector); |
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}; |
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} else if (typeof(Element.prototype.oMatchesSelector) != 'undefined') { |
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matchesSelector = function(node, selector) { |
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return node.oMatchesSelector(selector); |
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}; |
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} else { |
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// requires Sizzle: https://github.com/jquery/sizzle/wiki/Sizzle-Documentation |
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// or jQuery: http://jquery.com/download/ |
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// or Zepto: http://zeptojs.com/# |
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// without it, this is a ReferenceError |
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if (typeof jQuery === 'function' || typeof Zepto === 'function') { |
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matchesSelector = function (node, selector) { |
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return $(node).is(selector); |
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}; |
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} |
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if (typeof matchesSelector === 'undefined') { |
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matchesSelector = Sizzle.matchesSelector; |
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} |
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} |
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// slightly modified version of https://github.com/keeganstreet/specificity/blob/master/specificity.js |
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var attributeRegex = /(\[[^\]]+\])/g; |
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var idRegex = /(#[^\s\+>~\.\[:]+)/g; |
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var classRegex = /(\.[^\s\+>~\.\[:]+)/g; |
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var pseudoElementRegex = /(::[^\s\+>~\.\[:]+|:first-line|:first-letter|:before|:after)/gi; |
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var pseudoClassWithBracketsRegex = /(:[\w-]+\([^\)]*\))/gi; |
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var pseudoClassRegex = /(:[^\s\+>~\.\[:]+)/g; |
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var elementRegex = /([^\s\+>~\.\[:]+)/g; |
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function getSelectorSpecificity(selector) { |
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var typeCount = [0, 0, 0]; |
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var findMatch = function(regex, type) { |
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var matches = selector.match(regex); |
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if (matches == null) { |
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return; |
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} |
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typeCount[type] += matches.length; |
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selector = selector.replace(regex, ' '); |
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}; |
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selector = selector.replace(/:not\(([^\)]*)\)/g, ' $1 '); |
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selector = selector.replace(/{[^]*/gm, ' '); |
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findMatch(attributeRegex, 1); |
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findMatch(idRegex, 0); |
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findMatch(classRegex, 1); |
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findMatch(pseudoElementRegex, 2); |
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findMatch(pseudoClassWithBracketsRegex, 1); |
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findMatch(pseudoClassRegex, 1); |
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selector = selector.replace(/[\*\s\+>~]/g, ' '); |
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selector = selector.replace(/[#\.]/g, ' '); |
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findMatch(elementRegex, 2); |
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return typeCount.join(''); |
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} |
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function build(opts) { |
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var svg = { opts: opts }; |
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svg.FRAMERATE = 30; |
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svg.MAX_VIRTUAL_PIXELS = 30000; |
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svg.log = function(msg) {}; |
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if (svg.opts['log'] == true && typeof(console) != 'undefined') { |
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svg.log = function(msg) { console.log(msg); }; |
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}; |
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// globals |
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svg.init = function(ctx) { |
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var uniqueId = 0; |
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svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; }; |
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svg.Definitions = {}; |
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svg.Styles = {}; |
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svg.StylesSpecificity = {}; |
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svg.Animations = []; |
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svg.Images = []; |
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svg.ctx = ctx; |
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svg.ViewPort = new (function () { |
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this.viewPorts = []; |
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this.Clear = function() { this.viewPorts = []; } |
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this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); } |
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this.RemoveCurrent = function() { this.viewPorts.pop(); } |
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this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; } |
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this.width = function() { return this.Current().width; } |
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this.height = function() { return this.Current().height; } |
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this.ComputeSize = function(d) { |
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if (d != null && typeof(d) == 'number') return d; |
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if (d == 'x') return this.width(); |
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if (d == 'y') return this.height(); |
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return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2); |
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} |
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}); |
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} |
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svg.init(); |
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// images loaded |
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svg.ImagesLoaded = function() { |
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for (var i=0; i |
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/ trim |
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svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); } |
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// compress spaces |
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svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); } |
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// ajax |
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svg.ajax = function(url) { |
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var AJAX; |
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if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();} |
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else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');} |
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if(AJAX){ |
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AJAX.open('GET',url,false); |
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AJAX.send(null); |
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return AJAX.responseText; |
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} |
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return null; |
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} |
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// parse xml |
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svg.parseXml = function(xml) { |
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if (typeof(Windows) != 'undefined' && typeof(Windows.Data) != 'undefined' && typeof(Windows.Data.Xml) != 'undefined') { |
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var xmlDoc = new Windows.Data.Xml.Dom.XmlDocument(); |
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var settings = new Windows.Data.Xml.Dom.XmlLoadSettings(); |
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settings.prohibitDtd = false; |
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xmlDoc.loadXml(xml, settings); |
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return xmlDoc; |
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} |
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else if (window.DOMParser) |
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{ |
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var parser = new DOMParser(); |
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return parser.parseFromString(xml, 'text/xml'); |
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} |
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else |
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{ |
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xml = xml.replace(/<!DOCTYPE svg[^>]*>/, ''); |
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var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); |
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xmlDoc.async = 'false'; |
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xmlDoc.loadXML(xml); |
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return xmlDoc; |
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} |
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} |
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svg.Property = function(name, value) { |
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this.name = name; |
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this.value = value; |
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} |
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svg.Property.prototype.getValue = function() { |
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return this.value; |
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} |
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svg.Property.prototype.hasValue = function() { |
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return (this.value != null && this.value !== ''); |
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} |
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// return the numerical value of the property |
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svg.Property.prototype.numValue = function() { |
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if (!this.hasValue()) return 0; |
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var n = parseFloat(this.value); |
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if ((this.value + '').match(/%$/)) { |
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n = n / 100.0; |
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} |
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return n; |
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} |
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svg.Property.prototype.valueOrDefault = function(def) { |
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if (this.hasValue()) return this.value; |
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return def; |
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} |
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svg.Property.prototype.numValueOrDefault = function(def) { |
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if (this.hasValue()) return this.numValue(); |
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return def; |
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} |
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// color extensions |
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// augment the current color value with the opacity |
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svg.Property.prototype.addOpacity = function(opacityProp) { |
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var newValue = this.value; |
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if (opacityProp.value != null && opacityProp.value != '' && typeof(this.value)=='string') { // can only add opacity to colors, not patterns |
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var color = new RGBColor(this.value); |
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if (color.ok) { |
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newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')'; |
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} |
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} |
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return new svg.Property(this.name, newValue); |
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} |
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// definition extensions |
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// get the definition from the definitions table |
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svg.Property.prototype.getDefinition = function() { |
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var name = this.value.match(/#([^\)'"]+)/); |
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if (name) { name = name[1]; } |
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if (!name) { name = this.value; } |
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return svg.Definitions[name]; |
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} |
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svg.Property.prototype.isUrlDefinition = function() { |
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return this.value.indexOf('url(') == 0 |
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} |
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svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) { |
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var def = this.getDefinition(); |
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// gradient |
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if (def != null && def.createGradient) { |
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return def.createGradient(svg.ctx, e, opacityProp); |
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} |
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// pattern |
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if (def != null && def.createPattern) { |
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if (def.getHrefAttribute().hasValue()) { |
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var pt = def.attribute('patternTransform'); |
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def = def.getHrefAttribute().getDefinition(); |
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if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; } |
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} |
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return def.createPattern(svg.ctx, e); |
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} |
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return null; |
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} |
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// length extensions |
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svg.Property.prototype.getDPI = function(viewPort) { |
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return 96.0; // TODO: compute? |
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} |
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svg.Property.prototype.getEM = function(viewPort) { |
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var em = 12; |
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var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); |
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if (fontSize.hasValue()) em = fontSize.toPixels(viewPort); |
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return em; |
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} |
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svg.Property.prototype.getUnits = function() { |
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var s = this.value+''; |
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return s.replace(/[0-9\.\-]/g,''); |
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} |
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// get the length as pixels |
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svg.Property.prototype.toPixels = function(viewPort, processPercent) { |
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if (!this.hasValue()) return 0; |
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var s = this.value+''; |
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if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort); |
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if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0; |
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if (s.match(/px$/)) return this.numValue(); |
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if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0); |
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if (s.match(/pc$/)) return this.numValue() * 15; |
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if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54; |
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if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4; |
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if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort); |
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if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort); |
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var n = this.numValue(); |
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if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort); |
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return n; |
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} |
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// time extensions |
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// get the time as milliseconds |
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svg.Property.prototype.toMilliseconds = function() { |
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if (!this.hasValue()) return 0; |
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var s = this.value+''; |
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if (s.match(/s$/)) return this.numValue() * 1000; |
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if (s.match(/ms$/)) return this.numValue(); |
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return this.numValue(); |
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} |
|
|
373 |
|
|
|
374 |
// angle extensions |
|
|
375 |
// get the angle as radians |
|
|
376 |
svg.Property.prototype.toRadians = function() { |
|
|
377 |
if (!this.hasValue()) return 0; |
|
|
378 |
var s = this.value+''; |
|
|
379 |
if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0); |
|
|
380 |
if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0); |
|
|
381 |
if (s.match(/rad$/)) return this.numValue(); |
|
|
382 |
return this.numValue() * (Math.PI / 180.0); |
|
|
383 |
} |
|
|
384 |
|
|
|
385 |
// text extensions |
|
|
386 |
// get the text baseline |
|
|
387 |
var textBaselineMapping = { |
|
|
388 |
'baseline': 'alphabetic', |
|
|
389 |
'before-edge': 'top', |
|
|
390 |
'text-before-edge': 'top', |
|
|
391 |
'middle': 'middle', |
|
|
392 |
'central': 'middle', |
|
|
393 |
'after-edge': 'bottom', |
|
|
394 |
'text-after-edge': 'bottom', |
|
|
395 |
'ideographic': 'ideographic', |
|
|
396 |
'alphabetic': 'alphabetic', |
|
|
397 |
'hanging': 'hanging', |
|
|
398 |
'mathematical': 'alphabetic' |
|
|
399 |
}; |
|
|
400 |
svg.Property.prototype.toTextBaseline = function () { |
|
|
401 |
if (!this.hasValue()) return null; |
|
|
402 |
return textBaselineMapping[this.value]; |
|
|
403 |
} |
|
|
404 |
|
|
|
405 |
// fonts |
|
|
406 |
svg.Font = new (function() { |
|
|
407 |
this.Styles = 'normal|italic|oblique|inherit'; |
|
|
408 |
this.Variants = 'normal|small-caps|inherit'; |
|
|
409 |
this.Weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit'; |
|
|
410 |
|
|
|
411 |
this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) { |
|
|
412 |
var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font); |
|
|
413 |
return { |
|
|
414 |
fontFamily: fontFamily || f.fontFamily, |
|
|
415 |
fontSize: fontSize || f.fontSize, |
|
|
416 |
fontStyle: fontStyle || f.fontStyle, |
|
|
417 |
fontWeight: fontWeight || f.fontWeight, |
|
|
418 |
fontVariant: fontVariant || f.fontVariant, |
|
|
419 |
toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') } |
|
|
420 |
} |
|
|
421 |
} |
|
|
422 |
|
|
|
423 |
var that = this; |
|
|
424 |
this.Parse = function(s) { |
|
|
425 |
var f = {}; |
|
|
426 |
var d = svg.trim(svg.compressSpaces(s || '')).split(' '); |
|
|
427 |
var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false } |
|
|
428 |
var ff = ''; |
|
|
429 |
for (var i=0; i<d.length; i++) { |
|
|
430 |
if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; } |
|
|
431 |
else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; } |
|
|
432 |
else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontWeight = d[i]; set.fontStyle = set.fontVariant = set.fontWeight = true; } |
|
|
433 |
else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; } |
|
|
434 |
else { if (d[i] != 'inherit') ff += d[i]; } |
|
|
435 |
} if (ff != '') f.fontFamily = ff; |
|
|
436 |
return f; |
|
|
437 |
} |
|
|
438 |
}); |
|
|
439 |
|
|
|
440 |
// points and paths |
|
|
441 |
svg.ToNumberArray = function(s) { |
|
|
442 |
var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' '); |
|
|
443 |
for (var i=0; i<a.length; i++) { |
|
|
444 |
a[i] = parseFloat(a[i]); |
|
|
445 |
} |
|
|
446 |
return a; |
|
|
447 |
} |
|
|
448 |
svg.Point = function(x, y) { |
|
|
449 |
this.x = x; |
|
|
450 |
this.y = y; |
|
|
451 |
} |
|
|
452 |
svg.Point.prototype.angleTo = function(p) { |
|
|
453 |
return Math.atan2(p.y - this.y, p.x - this.x); |
|
|
454 |
} |
|
|
455 |
|
|
|
456 |
svg.Point.prototype.applyTransform = function(v) { |
|
|
457 |
var xp = this.x * v[0] + this.y * v[2] + v[4]; |
|
|
458 |
var yp = this.x * v[1] + this.y * v[3] + v[5]; |
|
|
459 |
this.x = xp; |
|
|
460 |
this.y = yp; |
|
|
461 |
} |
|
|
462 |
|
|
|
463 |
svg.CreatePoint = function(s) { |
|
|
464 |
var a = svg.ToNumberArray(s); |
|
|
465 |
return new svg.Point(a[0], a[1]); |
|
|
466 |
} |
|
|
467 |
svg.CreatePath = function(s) { |
|
|
468 |
var a = svg.ToNumberArray(s); |
|
|
469 |
var path = []; |
|
|
470 |
for (var i=0; i<a.length; i+=2) { |
|
|
471 |
path.push(new svg.Point(a[i], a[i+1])); |
|
|
472 |
} |
|
|
473 |
return path; |
|
|
474 |
} |
|
|
475 |
|
|
|
476 |
// bounding box |
|
|
477 |
svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want |
|
|
478 |
this.x1 = Number.NaN; |
|
|
479 |
this.y1 = Number.NaN; |
|
|
480 |
this.x2 = Number.NaN; |
|
|
481 |
this.y2 = Number.NaN; |
|
|
482 |
|
|
|
483 |
this.x = function() { return this.x1; } |
|
|
484 |
this.y = function() { return this.y1; } |
|
|
485 |
this.width = function() { return this.x2 - this.x1; } |
|
|
486 |
this.height = function() { return this.y2 - this.y1; } |
|
|
487 |
|
|
|
488 |
this.addPoint = function(x, y) { |
|
|
489 |
if (x != null) { |
|
|
490 |
if (isNaN(this.x1) || isNaN(this.x2)) { |
|
|
491 |
this.x1 = x; |
|
|
492 |
this.x2 = x; |
|
|
493 |
} |
|
|
494 |
if (x < this.x1) this.x1 = x; |
|
|
495 |
if (x > this.x2) this.x2 = x; |
|
|
496 |
} |
|
|
497 |
|
|
|
498 |
if (y != null) { |
|
|
499 |
if (isNaN(this.y1) || isNaN(this.y2)) { |
|
|
500 |
this.y1 = y; |
|
|
501 |
this.y2 = y; |
|
|
502 |
} |
|
|
503 |
if (y < this.y1) this.y1 = y; |
|
|
504 |
if (y > this.y2) this.y2 = y; |
|
|
505 |
} |
|
|
506 |
} |
|
|
507 |
this.addX = function(x) { this.addPoint(x, null); } |
|
|
508 |
this.addY = function(y) { this.addPoint(null, y); } |
|
|
509 |
|
|
|
510 |
this.addBoundingBox = function(bb) { |
|
|
511 |
this.addPoint(bb.x1, bb.y1); |
|
|
512 |
this.addPoint(bb.x2, bb.y2); |
|
|
513 |
} |
|
|
514 |
|
|
|
515 |
this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) { |
|
|
516 |
var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0) |
|
|
517 |
var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0) |
|
|
518 |
var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0) |
|
|
519 |
var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0) |
|
|
520 |
this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y); |
|
|
521 |
} |
|
|
522 |
|
|
|
523 |
this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) { |
|
|
524 |
// from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html |
|
|
525 |
var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y]; |
|
|
526 |
this.addPoint(p0[0], p0[1]); |
|
|
527 |
this.addPoint(p3[0], p3[1]); |
|
|
528 |
|
|
|
529 |
for (i=0; i<=1; i++) { |
|
|
530 |
var f = function(t) { |
|
|
531 |
return Math.pow(1-t, 3) * p0[i] |
|
|
532 |
+ 3 * Math.pow(1-t, 2) * t * p1[i] |
|
|
533 |
+ 3 * (1-t) * Math.pow(t, 2) * p2[i] |
|
|
534 |
+ Math.pow(t, 3) * p3[i]; |
|
|
535 |
} |
|
|
536 |
|
|
|
537 |
var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i]; |
|
|
538 |
var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i]; |
|
|
539 |
var c = 3 * p1[i] - 3 * p0[i]; |
|
|
540 |
|
|
|
541 |
if (a == 0) { |
|
|
542 |
if (b == 0) continue; |
|
|
543 |
var t = -c / b; |
|
|
544 |
if (0 < t && t < 1) { |
|
|
545 |
if (i == 0) this.addX(f(t)); |
|
|
546 |
if (i == 1) this.addY(f(t)); |
|
|
547 |
} |
|
|
548 |
continue; |
|
|
549 |
} |
|
|
550 |
|
|
|
551 |
var b2ac = Math.pow(b, 2) - 4 * c * a; |
|
|
552 |
if (b2ac < 0) continue; |
|
|
553 |
var t1 = (-b + Math.sqrt(b2ac)) / (2 * a); |
|
|
554 |
if (0 < t1 && t1 < 1) { |
|
|
555 |
if (i == 0) this.addX(f(t1)); |
|
|
556 |
if (i == 1) this.addY(f(t1)); |
|
|
557 |
} |
|
|
558 |
var t2 = (-b - Math.sqrt(b2ac)) / (2 * a); |
|
|
559 |
if (0 < t2 && t2 < 1) { |
|
|
560 |
if (i == 0) this.addX(f(t2)); |
|
|
561 |
if (i == 1) this.addY(f(t2)); |
|
|
562 |
} |
|
|
563 |
} |
|
|
564 |
} |
|
|
565 |
|
|
|
566 |
this.isPointInBox = function(x, y) { |
|
|
567 |
return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2); |
|
|
568 |
} |
|
|
569 |
|
|
|
570 |
this.addPoint(x1, y1); |
|
|
571 |
this.addPoint(x2, y2); |
|
|
572 |
} |
|
|
573 |
|
|
|
574 |
// transforms |
|
|
575 |
svg.Transform = function(v) { |
|
|
576 |
var that = this; |
|
|
577 |
this.Type = {} |
|
|
578 |
|
|
|
579 |
// translate |
|
|
580 |
this.Type.translate = function(s) { |
|
|
581 |
this.p = svg.CreatePoint(s); |
|
|
582 |
this.apply = function(ctx) { |
|
|
583 |
ctx.translate(this.p.x || 0.0, this.p.y || 0.0); |
|
|
584 |
} |
|
|
585 |
this.unapply = function(ctx) { |
|
|
586 |
ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0); |
|
|
587 |
} |
|
|
588 |
this.applyToPoint = function(p) { |
|
|
589 |
p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]); |
|
|
590 |
} |
|
|
591 |
} |
|
|
592 |
|
|
|
593 |
// rotate |
|
|
594 |
this.Type.rotate = function(s) { |
|
|
595 |
var a = svg.ToNumberArray(s); |
|
|
596 |
this.angle = new svg.Property('angle', a[0]); |
|
|
597 |
this.cx = a[1] || 0; |
|
|
598 |
this.cy = a[2] || 0; |
|
|
599 |
this.apply = function(ctx) { |
|
|
600 |
ctx.translate(this.cx, this.cy); |
|
|
601 |
ctx.rotate(this.angle.toRadians()); |
|
|
602 |
ctx.translate(-this.cx, -this.cy); |
|
|
603 |
} |
|
|
604 |
this.unapply = function(ctx) { |
|
|
605 |
ctx.translate(this.cx, this.cy); |
|
|
606 |
ctx.rotate(-1.0 * this.angle.toRadians()); |
|
|
607 |
ctx.translate(-this.cx, -this.cy); |
|
|
608 |
} |
|
|
609 |
this.applyToPoint = function(p) { |
|
|
610 |
var a = this.angle.toRadians(); |
|
|
611 |
p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]); |
|
|
612 |
p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]); |
|
|
613 |
p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]); |
|
|
614 |
} |
|
|
615 |
} |
|
|
616 |
|
|
|
617 |
this.Type.scale = function(s) { |
|
|
618 |
this.p = svg.CreatePoint(s); |
|
|
619 |
this.apply = function(ctx) { |
|
|
620 |
ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0); |
|
|
621 |
} |
|
|
622 |
this.unapply = function(ctx) { |
|
|
623 |
ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0); |
|
|
624 |
} |
|
|
625 |
this.applyToPoint = function(p) { |
|
|
626 |
p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]); |
|
|
627 |
} |
|
|
628 |
} |
|
|
629 |
|
|
|
630 |
this.Type.matrix = function(s) { |
|
|
631 |
this.m = svg.ToNumberArray(s); |
|
|
632 |
this.apply = function(ctx) { |
|
|
633 |
ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]); |
|
|
634 |
} |
|
|
635 |
this.unapply = function(ctx) { |
|
|
636 |
var a = this.m[0]; |
|
|
637 |
var b = this.m[2]; |
|
|
638 |
var c = this.m[4]; |
|
|
639 |
var d = this.m[1]; |
|
|
640 |
var e = this.m[3]; |
|
|
641 |
var f = this.m[5]; |
|
|
642 |
var g = 0.0; |
|
|
643 |
var h = 0.0; |
|
|
644 |
var i = 1.0; |
|
|
645 |
var det = 1 / (a*(e*i-f*h)-b*(d*i-f*g)+c*(d*h-e*g)); |
|
|
646 |
ctx.transform( |
|
|
647 |
det*(e*i-f*h), |
|
|
648 |
det*(f*g-d*i), |
|
|
649 |
det*(c*h-b*i), |
|
|
650 |
det*(a*i-c*g), |
|
|
651 |
det*(b*f-c*e), |
|
|
652 |
det*(c*d-a*f) |
|
|
653 |
); |
|
|
654 |
} |
|
|
655 |
this.applyToPoint = function(p) { |
|
|
656 |
p.applyTransform(this.m); |
|
|
657 |
} |
|
|
658 |
} |
|
|
659 |
|
|
|
660 |
this.Type.SkewBase = function(s) { |
|
|
661 |
this.base = that.Type.matrix; |
|
|
662 |
this.base(s); |
|
|
663 |
this.angle = new svg.Property('angle', s); |
|
|
664 |
} |
|
|
665 |
this.Type.SkewBase.prototype = new this.Type.matrix; |
|
|
666 |
|
|
|
667 |
this.Type.skewX = function(s) { |
|
|
668 |
this.base = that.Type.SkewBase; |
|
|
669 |
this.base(s); |
|
|
670 |
this.m = [1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0]; |
|
|
671 |
} |
|
|
672 |
this.Type.skewX.prototype = new this.Type.SkewBase; |
|
|
673 |
|
|
|
674 |
this.Type.skewY = function(s) { |
|
|
675 |
this.base = that.Type.SkewBase; |
|
|
676 |
this.base(s); |
|
|
677 |
this.m = [1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0]; |
|
|
678 |
} |
|
|
679 |
this.Type.skewY.prototype = new this.Type.SkewBase; |
|
|
680 |
|
|
|
681 |
this.transforms = []; |
|
|
682 |
|
|
|
683 |
this.apply = function(ctx) { |
|
|
684 |
for (var i=0; i<this.transforms.length; i++) { |
|
|
685 |
this.transforms[i].apply(ctx); |
|
|
686 |
} |
|
|
687 |
} |
|
|
688 |
|
|
|
689 |
this.unapply = function(ctx) { |
|
|
690 |
for (var i=this.transforms.length-1; i>=0; i--) { |
|
|
691 |
this.transforms[i].unapply(ctx); |
|
|
692 |
} |
|
|
693 |
} |
|
|
694 |
|
|
|
695 |
this.applyToPoint = function(p) { |
|
|
696 |
for (var i=0; i<this.transforms.length; i++) { |
|
|
697 |
this.transforms[i].applyToPoint(p); |
|
|
698 |
} |
|
|
699 |
} |
|
|
700 |
|
|
|
701 |
var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g,') ').split(/\s(?=[a-z])/); |
|
|
702 |
for (var i=0; i<data.length; i++) { |
|
|
703 |
var type = svg.trim(data[i].split('(')[0]); |
|
|
704 |
var s = data[i].split('(')[1].replace(')',''); |
|
|
705 |
var transform = new this.Type[type](s); |
|
|
706 |
transform.type = type; |
|
|
707 |
this.transforms.push(transform); |
|
|
708 |
} |
|
|
709 |
} |
|
|
710 |
|
|
|
711 |
// aspect ratio |
|
|
712 |
svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) { |
|
|
713 |
// aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute |
|
|
714 |
aspectRatio = svg.compressSpaces(aspectRatio); |
|
|
715 |
aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer |
|
|
716 |
var align = aspectRatio.split(' ')[0] || 'xMidYMid'; |
|
|
717 |
var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; |
|
|
718 |
|
|
|
719 |
// calculate scale |
|
|
720 |
var scaleX = width / desiredWidth; |
|
|
721 |
var scaleY = height / desiredHeight; |
|
|
722 |
var scaleMin = Math.min(scaleX, scaleY); |
|
|
723 |
var scaleMax = Math.max(scaleX, scaleY); |
|
|
724 |
if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; } |
|
|
725 |
if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; } |
|
|
726 |
|
|
|
727 |
refX = new svg.Property('refX', refX); |
|
|
728 |
refY = new svg.Property('refY', refY); |
|
|
729 |
if (refX.hasValue() && refY.hasValue()) { |
|
|
730 |
ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y')); |
|
|
731 |
} |
|
|
732 |
else { |
|
|
733 |
// align |
|
|
734 |
if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0); |
|
|
735 |
if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0); |
|
|
736 |
if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0); |
|
|
737 |
if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight); |
|
|
738 |
} |
|
|
739 |
|
|
|
740 |
// scale |
|
|
741 |
if (align == 'none') ctx.scale(scaleX, scaleY); |
|
|
742 |
else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin); |
|
|
743 |
else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax); |
|
|
744 |
|
|
|
745 |
// translate |
|
|
746 |
ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY); |
|
|
747 |
} |
|
|
748 |
|
|
|
749 |
// elements |
|
|
750 |
svg.Element = {} |
|
|
751 |
|
|
|
752 |
svg.EmptyProperty = new svg.Property('EMPTY', ''); |
|
|
753 |
|
|
|
754 |
svg.Element.ElementBase = function(node) { |
|
|
755 |
this.attributes = {}; |
|
|
756 |
this.styles = {}; |
|
|
757 |
this.stylesSpecificity = {}; |
|
|
758 |
this.children = []; |
|
|
759 |
|
|
|
760 |
// get or create attribute |
|
|
761 |
this.attribute = function(name, createIfNotExists) { |
|
|
762 |
var a = this.attributes[name]; |
|
|
763 |
if (a != null) return a; |
|
|
764 |
|
|
|
765 |
if (createIfNotExists == true) { a = new svg.Property(name, ''); this.attributes[name] = a; } |
|
|
766 |
return a || svg.EmptyProperty; |
|
|
767 |
} |
|
|
768 |
|
|
|
769 |
this.getHrefAttribute = function() { |
|
|
770 |
for (var a in this.attributes) { |
|
|
771 |
if (a == 'href' || a.match(/:href$/)) { |
|
|
772 |
return this.attributes[a]; |
|
|
773 |
} |
|
|
774 |
} |
|
|
775 |
return svg.EmptyProperty; |
|
|
776 |
} |
|
|
777 |
|
|
|
778 |
// get or create style, crawls up node tree |
|
|
779 |
this.style = function(name, createIfNotExists, skipAncestors) { |
|
|
780 |
var s = this.styles[name]; |
|
|
781 |
if (s != null) return s; |
|
|
782 |
|
|
|
783 |
var a = this.attribute(name); |
|
|
784 |
if (a != null && a.hasValue()) { |
|
|
785 |
this.styles[name] = a; // move up to me to cache |
|
|
786 |
return a; |
|
|
787 |
} |
|
|
788 |
|
|
|
789 |
if (skipAncestors != true) { |
|
|
790 |
var p = this.parent; |
|
|
791 |
if (p != null) { |
|
|
792 |
var ps = p.style(name); |
|
|
793 |
if (ps != null && ps.hasValue()) { |
|
|
794 |
return ps; |
|
|
795 |
} |
|
|
796 |
} |
|
|
797 |
} |
|
|
798 |
|
|
|
799 |
if (createIfNotExists == true) { s = new svg.Property(name, ''); this.styles[name] = s; } |
|
|
800 |
return s || svg.EmptyProperty; |
|
|
801 |
} |
|
|
802 |
|
|
|
803 |
// base render |
|
|
804 |
this.render = function(ctx) { |
|
|
805 |
// don't render display=none |
|
|
806 |
if (this.style('display').value == 'none') return; |
|
|
807 |
|
|
|
808 |
// don't render visibility=hidden |
|
|
809 |
if (this.style('visibility').value == 'hidden') return; |
|
|
810 |
|
|
|
811 |
ctx.save(); |
|
|
812 |
if (this.style('mask').hasValue()) { // mask |
|
|
813 |
var mask = this.style('mask').getDefinition(); |
|
|
814 |
if (mask != null) mask.apply(ctx, this); |
|
|
815 |
} |
|
|
816 |
else if (this.style('filter').hasValue()) { // filter |
|
|
817 |
var filter = this.style('filter').getDefinition(); |
|
|
818 |
if (filter != null) filter.apply(ctx, this); |
|
|
819 |
} |
|
|
820 |
else { |
|
|
821 |
this.setContext(ctx); |
|
|
822 |
this.renderChildren(ctx); |
|
|
823 |
this.clearContext(ctx); |
|
|
824 |
} |
|
|
825 |
ctx.restore(); |
|
|
826 |
} |
|
|
827 |
|
|
|
828 |
// base set context |
|
|
829 |
this.setContext = function(ctx) { |
|
|
830 |
// OVERRIDE ME! |
|
|
831 |
} |
|
|
832 |
|
|
|
833 |
// base clear context |
|
|
834 |
this.clearContext = function(ctx) { |
|
|
835 |
// OVERRIDE ME! |
|
|
836 |
} |
|
|
837 |
|
|
|
838 |
// base render children |
|
|
839 |
this.renderChildren = function(ctx) { |
|
|
840 |
for (var i=0; i<this.children.length; i++) { |
|
|
841 |
this.children[i].render(ctx); |
|
|
842 |
} |
|
|
843 |
} |
|
|
844 |
|
|
|
845 |
this.addChild = function(childNode, create) { |
|
|
846 |
var child = childNode; |
|
|
847 |
if (create) child = svg.CreateElement(childNode); |
|
|
848 |
child.parent = this; |
|
|
849 |
if (child.type != 'title') { this.children.push(child); } |
|
|
850 |
} |
|
|
851 |
|
|
|
852 |
this.addStylesFromStyleDefinition = function () { |
|
|
853 |
// add styles |
|
|
854 |
for (var selector in svg.Styles) { |
|
|
855 |
if (selector[0] != '@' && matchesSelector(node, selector)) { |
|
|
856 |
var styles = svg.Styles[selector]; |
|
|
857 |
var specificity = svg.StylesSpecificity[selector]; |
|
|
858 |
if (styles != null) { |
|
|
859 |
for (var name in styles) { |
|
|
860 |
var existingSpecificity = this.stylesSpecificity[name]; |
|
|
861 |
if (typeof(existingSpecificity) == 'undefined') { |
|
|
862 |
existingSpecificity = '000'; |
|
|
863 |
} |
|
|
864 |
if (specificity > existingSpecificity) { |
|
|
865 |
this.styles[name] = styles[name]; |
|
|
866 |
this.stylesSpecificity[name] = specificity; |
|
|
867 |
} |
|
|
868 |
} |
|
|
869 |
} |
|
|
870 |
} |
|
|
871 |
} |
|
|
872 |
}; |
|
|
873 |
|
|
|
874 |
if (node != null && node.nodeType == 1) { //ELEMENT_NODE |
|
|
875 |
// add attributes |
|
|
876 |
for (var i=0; i<node.attributes.length; i++) { |
|
|
877 |
var attribute = node.attributes[i]; |
|
|
878 |
this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.value); |
|
|
879 |
} |
|
|
880 |
|
|
|
881 |
this.addStylesFromStyleDefinition(); |
|
|
882 |
|
|
|
883 |
// add inline styles |
|
|
884 |
if (this.attribute('style').hasValue()) { |
|
|
885 |
var styles = this.attribute('style').value.split(';'); |
|
|
886 |
for (var i=0; i<styles.length; i++) { |
|
|
887 |
if (svg.trim(styles[i]) != '') { |
|
|
888 |
var style = styles[i].split(':'); |
|
|
889 |
var name = svg.trim(style[0]); |
|
|
890 |
var value = svg.trim(style[1]); |
|
|
891 |
this.styles[name] = new svg.Property(name, value); |
|
|
892 |
} |
|
|
893 |
} |
|
|
894 |
} |
|
|
895 |
|
|
|
896 |
// add id |
|
|
897 |
if (this.attribute('id').hasValue()) { |
|
|
898 |
if (svg.Definitions[this.attribute('id').value] == null) { |
|
|
899 |
svg.Definitions[this.attribute('id').value] = this; |
|
|
900 |
} |
|
|
901 |
} |
|
|
902 |
|
|
|
903 |
// add children |
|
|
904 |
for (var i=0; i<node.childNodes.length; i++) { |
|
|
905 |
var childNode = node.childNodes[i]; |
|
|
906 |
if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE |
|
|
907 |
if (this.captureTextNodes && (childNode.nodeType == 3 || childNode.nodeType == 4)) { |
|
|
908 |
var text = childNode.value || childNode.text || childNode.textContent || ''; |
|
|
909 |
if (svg.compressSpaces(text) != '') { |
|
|
910 |
this.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE |
|
|
911 |
} |
|
|
912 |
} |
|
|
913 |
} |
|
|
914 |
} |
|
|
915 |
} |
|
|
916 |
|
|
|
917 |
svg.Element.RenderedElementBase = function(node) { |
|
|
918 |
this.base = svg.Element.ElementBase; |
|
|
919 |
this.base(node); |
|
|
920 |
|
|
|
921 |
this.setContext = function(ctx) { |
|
|
922 |
// fill |
|
|
923 |
if (this.style('fill').isUrlDefinition()) { |
|
|
924 |
var fs = this.style('fill').getFillStyleDefinition(this, this.style('fill-opacity')); |
|
|
925 |
if (fs != null) ctx.fillStyle = fs; |
|
|
926 |
} |
|
|
927 |
else if (this.style('fill').hasValue()) { |
|
|
928 |
var fillStyle = this.style('fill'); |
|
|
929 |
if (fillStyle.value == 'currentColor') fillStyle.value = this.style('color').value; |
|
|
930 |
if (fillStyle.value != 'inherit') ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value); |
|
|
931 |
} |
|
|
932 |
if (this.style('fill-opacity').hasValue()) { |
|
|
933 |
var fillStyle = new svg.Property('fill', ctx.fillStyle); |
|
|
934 |
fillStyle = fillStyle.addOpacity(this.style('fill-opacity')); |
|
|
935 |
ctx.fillStyle = fillStyle.value; |
|
|
936 |
} |
|
|
937 |
|
|
|
938 |
// stroke |
|
|
939 |
if (this.style('stroke').isUrlDefinition()) { |
|
|
940 |
var fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity')); |
|
|
941 |
if (fs != null) ctx.strokeStyle = fs; |
|
|
942 |
} |
|
|
943 |
else if (this.style('stroke').hasValue()) { |
|
|
944 |
var strokeStyle = this.style('stroke'); |
|
|
945 |
if (strokeStyle.value == 'currentColor') strokeStyle.value = this.style('color').value; |
|
|
946 |
if (strokeStyle.value != 'inherit') ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value); |
|
|
947 |
} |
|
|
948 |
if (this.style('stroke-opacity').hasValue()) { |
|
|
949 |
var strokeStyle = new svg.Property('stroke', ctx.strokeStyle); |
|
|
950 |
strokeStyle = strokeStyle.addOpacity(this.style('stroke-opacity')); |
|
|
951 |
ctx.strokeStyle = strokeStyle.value; |
|
|
952 |
} |
|
|
953 |
if (this.style('stroke-width').hasValue()) { |
|
|
954 |
var newLineWidth = this.style('stroke-width').toPixels(); |
|
|
955 |
ctx.lineWidth = newLineWidth == 0 ? 0.001 : newLineWidth; // browsers don't respect 0 |
|
|
956 |
} |
|
|
957 |
if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value; |
|
|
958 |
if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value; |
|
|
959 |
if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value; |
|
|
960 |
if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value != 'none') { |
|
|
961 |
var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value); |
|
|
962 |
if (typeof(ctx.setLineDash) != 'undefined') { ctx.setLineDash(gaps); } |
|
|
963 |
else if (typeof(ctx.webkitLineDash) != 'undefined') { ctx.webkitLineDash = gaps; } |
|
|
964 |
else if (typeof(ctx.mozDash) != 'undefined' && !(gaps.length==1 && gaps[0]==0)) { ctx.mozDash = gaps; } |
|
|
965 |
|
|
|
966 |
var offset = this.style('stroke-dashoffset').numValueOrDefault(1); |
|
|
967 |
if (typeof(ctx.lineDashOffset) != 'undefined') { ctx.lineDashOffset = offset; } |
|
|
968 |
else if (typeof(ctx.webkitLineDashOffset) != 'undefined') { ctx.webkitLineDashOffset = offset; } |
|
|
969 |
else if (typeof(ctx.mozDashOffset) != 'undefined') { ctx.mozDashOffset = offset; } |
|
|
970 |
} |
|
|
971 |
|
|
|
972 |
// font |
|
|
973 |
if (typeof(ctx.font) != 'undefined') { |
|
|
974 |
ctx.font = svg.Font.CreateFont( |
|
|
975 |
this.style('font-style').value, |
|
|
976 |
this.style('font-variant').value, |
|
|
977 |
this.style('font-weight').value, |
|
|
978 |
this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '', |
|
|
979 |
this.style('font-family').value).toString(); |
|
|
980 |
} |
|
|
981 |
|
|
|
982 |
// transform |
|
|
983 |
if (this.style('transform', false, true).hasValue()) { |
|
|
984 |
var transform = new svg.Transform(this.style('transform', false, true).value); |
|
|
985 |
transform.apply(ctx); |
|
|
986 |
} |
|
|
987 |
|
|
|
988 |
// clip |
|
|
989 |
if (this.style('clip-path', false, true).hasValue()) { |
|
|
990 |
var clip = this.style('clip-path', false, true).getDefinition(); |
|
|
991 |
if (clip != null) clip.apply(ctx); |
|
|
992 |
} |
|
|
993 |
|
|
|
994 |
// opacity |
|
|
995 |
if (this.style('opacity').hasValue()) { |
|
|
996 |
ctx.globalAlpha = this.style('opacity').numValue(); |
|
|
997 |
} |
|
|
998 |
} |
|
|
999 |
} |
|
|
1000 |
svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase; |
|
|
1001 |
|
|
|
1002 |
svg.Element.PathElementBase = function(node) { |
|
|
1003 |
this.base = svg.Element.RenderedElementBase; |
|
|
1004 |
this.base(node); |
|
|
1005 |
|
|
|
1006 |
this.path = function(ctx) { |
|
|
1007 |
if (ctx != null) ctx.beginPath(); |
|
|
1008 |
return new svg.BoundingBox(); |
|
|
1009 |
} |
|
|
1010 |
|
|
|
1011 |
this.renderChildren = function(ctx) { |
|
|
1012 |
this.path(ctx); |
|
|
1013 |
svg.Mouse.checkPath(this, ctx); |
|
|
1014 |
if (ctx.fillStyle != '') { |
|
|
1015 |
if (this.style('fill-rule').valueOrDefault('inherit') != 'inherit') { ctx.fill(this.style('fill-rule').value); } |
|
|
1016 |
else { ctx.fill(); } |
|
|
1017 |
} |
|
|
1018 |
if (ctx.strokeStyle != '') ctx.stroke(); |
|
|
1019 |
|
|
|
1020 |
var markers = this.getMarkers(); |
|
|
1021 |
if (markers != null) { |
|
|
1022 |
if (this.style('marker-start').isUrlDefinition()) { |
|
|
1023 |
var marker = this.style('marker-start').getDefinition(); |
|
|
1024 |
marker.render(ctx, markers[0][0], markers[0][1]); |
|
|
1025 |
} |
|
|
1026 |
if (this.style('marker-mid').isUrlDefinition()) { |
|
|
1027 |
var marker = this.style('marker-mid').getDefinition(); |
|
|
1028 |
for (var i=1;i<markers.length-1;i++) { |
|
|
1029 |
marker.render(ctx, markers[i][0], markers[i][1]); |
|
|
1030 |
} |
|
|
1031 |
} |
|
|
1032 |
if (this.style('marker-end').isUrlDefinition()) { |
|
|
1033 |
var marker = this.style('marker-end').getDefinition(); |
|
|
1034 |
marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]); |
|
|
1035 |
} |
|
|
1036 |
} |
|
|
1037 |
} |
|
|
1038 |
|
|
|
1039 |
this.getBoundingBox = function() { |
|
|
1040 |
return this.path(); |
|
|
1041 |
} |
|
|
1042 |
|
|
|
1043 |
this.getMarkers = function() { |
|
|
1044 |
return null; |
|
|
1045 |
} |
|
|
1046 |
} |
|
|
1047 |
svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase; |
|
|
1048 |
|
|
|
1049 |
// svg element |
|
|
1050 |
svg.Element.svg = function(node) { |
|
|
1051 |
this.base = svg.Element.RenderedElementBase; |
|
|
1052 |
this.base(node); |
|
|
1053 |
|
|
|
1054 |
this.baseClearContext = this.clearContext; |
|
|
1055 |
this.clearContext = function(ctx) { |
|
|
1056 |
this.baseClearContext(ctx); |
|
|
1057 |
svg.ViewPort.RemoveCurrent(); |
|
|
1058 |
} |
|
|
1059 |
|
|
|
1060 |
this.baseSetContext = this.setContext; |
|
|
1061 |
this.setContext = function(ctx) { |
|
|
1062 |
// initial values and defaults |
|
|
1063 |
ctx.strokeStyle = 'rgba(0,0,0,0)'; |
|
|
1064 |
ctx.lineCap = 'butt'; |
|
|
1065 |
ctx.lineJoin = 'miter'; |
|
|
1066 |
ctx.miterLimit = 4; |
|
|
1067 |
if (typeof(ctx.font) != 'undefined' && typeof(window.getComputedStyle) != 'undefined') { |
|
|
1068 |
ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font'); |
|
|
1069 |
} |
|
|
1070 |
|
|
|
1071 |
this.baseSetContext(ctx); |
|
|
1072 |
|
|
|
1073 |
// create new view port |
|
|
1074 |
if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0; |
|
|
1075 |
if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0; |
|
|
1076 |
ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y')); |
|
|
1077 |
|
|
|
1078 |
var width = svg.ViewPort.width(); |
|
|
1079 |
var height = svg.ViewPort.height(); |
|
|
1080 |
|
|
|
1081 |
if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%'; |
|
|
1082 |
if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%'; |
|
|
1083 |
if (typeof(this.root) == 'undefined') { |
|
|
1084 |
width = this.attribute('width').toPixels('x'); |
|
|
1085 |
height = this.attribute('height').toPixels('y'); |
|
|
1086 |
|
|
|
1087 |
var x = 0; |
|
|
1088 |
var y = 0; |
|
|
1089 |
if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) { |
|
|
1090 |
x = -this.attribute('refX').toPixels('x'); |
|
|
1091 |
y = -this.attribute('refY').toPixels('y'); |
|
|
1092 |
} |
|
|
1093 |
|
|
|
1094 |
if (this.attribute('overflow').valueOrDefault('hidden') != 'visible') { |
|
|
1095 |
ctx.beginPath(); |
|
|
1096 |
ctx.moveTo(x, y); |
|
|
1097 |
ctx.lineTo(width, y); |
|
|
1098 |
ctx.lineTo(width, height); |
|
|
1099 |
ctx.lineTo(x, height); |
|
|
1100 |
ctx.closePath(); |
|
|
1101 |
ctx.clip(); |
|
|
1102 |
} |
|
|
1103 |
} |
|
|
1104 |
svg.ViewPort.SetCurrent(width, height); |
|
|
1105 |
|
|
|
1106 |
// viewbox |
|
|
1107 |
if (this.attribute('viewBox').hasValue()) { |
|
|
1108 |
var viewBox = svg.ToNumberArray(this.attribute('viewBox').value); |
|
|
1109 |
var minX = viewBox[0]; |
|
|
1110 |
var minY = viewBox[1]; |
|
|
1111 |
width = viewBox[2]; |
|
|
1112 |
height = viewBox[3]; |
|
|
1113 |
|
|
|
1114 |
svg.AspectRatio(ctx, |
|
|
1115 |
this.attribute('preserveAspectRatio').value, |
|
|
1116 |
svg.ViewPort.width(), |
|
|
1117 |
width, |
|
|
1118 |
svg.ViewPort.height(), |
|
|
1119 |
height, |
|
|
1120 |
minX, |
|
|
1121 |
minY, |
|
|
1122 |
this.attribute('refX').value, |
|
|
1123 |
this.attribute('refY').value); |
|
|
1124 |
|
|
|
1125 |
svg.ViewPort.RemoveCurrent(); |
|
|
1126 |
svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); |
|
|
1127 |
} |
|
|
1128 |
} |
|
|
1129 |
} |
|
|
1130 |
svg.Element.svg.prototype = new svg.Element.RenderedElementBase; |
|
|
1131 |
|
|
|
1132 |
// rect element |
|
|
1133 |
svg.Element.rect = function(node) { |
|
|
1134 |
this.base = svg.Element.PathElementBase; |
|
|
1135 |
this.base(node); |
|
|
1136 |
|
|
|
1137 |
this.path = function(ctx) { |
|
|
1138 |
var x = this.attribute('x').toPixels('x'); |
|
|
1139 |
var y = this.attribute('y').toPixels('y'); |
|
|
1140 |
var width = this.attribute('width').toPixels('x'); |
|
|
1141 |
var height = this.attribute('height').toPixels('y'); |
|
|
1142 |
var rx = this.attribute('rx').toPixels('x'); |
|
|
1143 |
var ry = this.attribute('ry').toPixels('y'); |
|
|
1144 |
if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx; |
|
|
1145 |
if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry; |
|
|
1146 |
rx = Math.min(rx, width / 2.0); |
|
|
1147 |
ry = Math.min(ry, height / 2.0); |
|
|
1148 |
if (ctx != null) { |
|
|
1149 |
ctx.beginPath(); |
|
|
1150 |
ctx.moveTo(x + rx, y); |
|
|
1151 |
ctx.lineTo(x + width - rx, y); |
|
|
1152 |
ctx.quadraticCurveTo(x + width, y, x + width, y + ry) |
|
|
1153 |
ctx.lineTo(x + width, y + height - ry); |
|
|
1154 |
ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height) |
|
|
1155 |
ctx.lineTo(x + rx, y + height); |
|
|
1156 |
ctx.quadraticCurveTo(x, y + height, x, y + height - ry) |
|
|
1157 |
ctx.lineTo(x, y + ry); |
|
|
1158 |
ctx.quadraticCurveTo(x, y, x + rx, y) |
|
|
1159 |
ctx.closePath(); |
|
|
1160 |
} |
|
|
1161 |
|
|
|
1162 |
return new svg.BoundingBox(x, y, x + width, y + height); |
|
|
1163 |
} |
|
|
1164 |
} |
|
|
1165 |
svg.Element.rect.prototype = new svg.Element.PathElementBase; |
|
|
1166 |
|
|
|
1167 |
// circle element |
|
|
1168 |
svg.Element.circle = function(node) { |
|
|
1169 |
this.base = svg.Element.PathElementBase; |
|
|
1170 |
this.base(node); |
|
|
1171 |
|
|
|
1172 |
this.path = function(ctx) { |
|
|
1173 |
var cx = this.attribute('cx').toPixels('x'); |
|
|
1174 |
var cy = this.attribute('cy').toPixels('y'); |
|
|
1175 |
var r = this.attribute('r').toPixels(); |
|
|
1176 |
|
|
|
1177 |
if (ctx != null) { |
|
|
1178 |
ctx.beginPath(); |
|
|
1179 |
ctx.arc(cx, cy, r, 0, Math.PI * 2, true); |
|
|
1180 |
ctx.closePath(); |
|
|
1181 |
} |
|
|
1182 |
|
|
|
1183 |
return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r); |
|
|
1184 |
} |
|
|
1185 |
} |
|
|
1186 |
svg.Element.circle.prototype = new svg.Element.PathElementBase; |
|
|
1187 |
|
|
|
1188 |
// ellipse element |
|
|
1189 |
svg.Element.ellipse = function(node) { |
|
|
1190 |
this.base = svg.Element.PathElementBase; |
|
|
1191 |
this.base(node); |
|
|
1192 |
|
|
|
1193 |
this.path = function(ctx) { |
|
|
1194 |
var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3); |
|
|
1195 |
var rx = this.attribute('rx').toPixels('x'); |
|
|
1196 |
var ry = this.attribute('ry').toPixels('y'); |
|
|
1197 |
var cx = this.attribute('cx').toPixels('x'); |
|
|
1198 |
var cy = this.attribute('cy').toPixels('y'); |
|
|
1199 |
|
|
|
1200 |
if (ctx != null) { |
|
|
1201 |
ctx.beginPath(); |
|
|
1202 |
ctx.moveTo(cx, cy - ry); |
|
|
1203 |
ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy); |
|
|
1204 |
ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry); |
|
|
1205 |
ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy); |
|
|
1206 |
ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry); |
|
|
1207 |
ctx.closePath(); |
|
|
1208 |
} |
|
|
1209 |
|
|
|
1210 |
return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry); |
|
|
1211 |
} |
|
|
1212 |
} |
|
|
1213 |
svg.Element.ellipse.prototype = new svg.Element.PathElementBase; |
|
|
1214 |
|
|
|
1215 |
// line element |
|
|
1216 |
svg.Element.line = function(node) { |
|
|
1217 |
this.base = svg.Element.PathElementBase; |
|
|
1218 |
this.base(node); |
|
|
1219 |
|
|
|
1220 |
this.getPoints = function() { |
|
|
1221 |
return [ |
|
|
1222 |
new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')), |
|
|
1223 |
new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))]; |
|
|
1224 |
} |
|
|
1225 |
|
|
|
1226 |
this.path = function(ctx) { |
|
|
1227 |
var points = this.getPoints(); |
|
|
1228 |
|
|
|
1229 |
if (ctx != null) { |
|
|
1230 |
ctx.beginPath(); |
|
|
1231 |
ctx.moveTo(points[0].x, points[0].y); |
|
|
1232 |
ctx.lineTo(points[1].x, points[1].y); |
|
|
1233 |
} |
|
|
1234 |
|
|
|
1235 |
return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y); |
|
|
1236 |
} |
|
|
1237 |
|
|
|
1238 |
this.getMarkers = function() { |
|
|
1239 |
var points = this.getPoints(); |
|
|
1240 |
var a = points[0].angleTo(points[1]); |
|
|
1241 |
return [[points[0], a], [points[1], a]]; |
|
|
1242 |
} |
|
|
1243 |
} |
|
|
1244 |
svg.Element.line.prototype = new svg.Element.PathElementBase; |
|
|
1245 |
|
|
|
1246 |
// polyline element |
|
|
1247 |
svg.Element.polyline = function(node) { |
|
|
1248 |
this.base = svg.Element.PathElementBase; |
|
|
1249 |
this.base(node); |
|
|
1250 |
|
|
|
1251 |
this.points = svg.CreatePath(this.attribute('points').value); |
|
|
1252 |
this.path = function(ctx) { |
|
|
1253 |
var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y); |
|
|
1254 |
if (ctx != null) { |
|
|
1255 |
ctx.beginPath(); |
|
|
1256 |
ctx.moveTo(this.points[0].x, this.points[0].y); |
|
|
1257 |
} |
|
|
1258 |
for (var i=1; i<this.points.length; i++) { |
|
|
1259 |
bb.addPoint(this.points[i].x, this.points[i].y); |
|
|
1260 |
if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y); |
|
|
1261 |
} |
|
|
1262 |
return bb; |
|
|
1263 |
} |
|
|
1264 |
|
|
|
1265 |
this.getMarkers = function() { |
|
|
1266 |
var markers = []; |
|
|
1267 |
for (var i=0; i<this.points.length - 1; i++) { |
|
|
1268 |
markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]); |
|
|
1269 |
} |
|
|
1270 |
markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]); |
|
|
1271 |
return markers; |
|
|
1272 |
} |
|
|
1273 |
} |
|
|
1274 |
svg.Element.polyline.prototype = new svg.Element.PathElementBase; |
|
|
1275 |
|
|
|
1276 |
// polygon element |
|
|
1277 |
svg.Element.polygon = function(node) { |
|
|
1278 |
this.base = svg.Element.polyline; |
|
|
1279 |
this.base(node); |
|
|
1280 |
|
|
|
1281 |
this.basePath = this.path; |
|
|
1282 |
this.path = function(ctx) { |
|
|
1283 |
var bb = this.basePath(ctx); |
|
|
1284 |
if (ctx != null) { |
|
|
1285 |
ctx.lineTo(this.points[0].x, this.points[0].y); |
|
|
1286 |
ctx.closePath(); |
|
|
1287 |
} |
|
|
1288 |
return bb; |
|
|
1289 |
} |
|
|
1290 |
} |
|
|
1291 |
svg.Element.polygon.prototype = new svg.Element.polyline; |
|
|
1292 |
|
|
|
1293 |
// path element |
|
|
1294 |
svg.Element.path = function(node) { |
|
|
1295 |
this.base = svg.Element.PathElementBase; |
|
|
1296 |
this.base(node); |
|
|
1297 |
|
|
|
1298 |
var d = this.attribute('d').value; |
|
|
1299 |
// TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF |
|
|
1300 |
d = d.replace(/,/gm,' '); // get rid of all commas |
|
|
1301 |
// As the end of a match can also be the start of the next match, we need to run this replace twice. |
|
|
1302 |
for(var i=0; i<2; i++) |
|
|
1303 |
d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // suffix commands with spaces |
|
|
1304 |
d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // prefix commands with spaces |
|
|
1305 |
d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits on +- signs |
|
|
1306 |
// Again, we need to run this twice to find all occurances |
|
|
1307 |
for(var i=0; i<2; i++) |
|
|
1308 |
d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when they start with a comma |
|
|
1309 |
d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax |
|
|
1310 |
d = svg.compressSpaces(d); // compress multiple spaces |
|
|
1311 |
d = svg.trim(d); |
|
|
1312 |
this.PathParser = new (function(d) { |
|
|
1313 |
this.tokens = d.split(' '); |
|
|
1314 |
|
|
|
1315 |
this.reset = function() { |
|
|
1316 |
this.i = -1; |
|
|
1317 |
this.command = ''; |
|
|
1318 |
this.previousCommand = ''; |
|
|
1319 |
this.start = new svg.Point(0, 0); |
|
|
1320 |
this.control = new svg.Point(0, 0); |
|
|
1321 |
this.current = new svg.Point(0, 0); |
|
|
1322 |
this.points = []; |
|
|
1323 |
this.angles = []; |
|
|
1324 |
} |
|
|
1325 |
|
|
|
1326 |
this.isEnd = function() { |
|
|
1327 |
return this.i >= this.tokens.length - 1; |
|
|
1328 |
} |
|
|
1329 |
|
|
|
1330 |
this.isCommandOrEnd = function() { |
|
|
1331 |
if (this.isEnd()) return true; |
|
|
1332 |
return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null; |
|
|
1333 |
} |
|
|
1334 |
|
|
|
1335 |
this.isRelativeCommand = function() { |
|
|
1336 |
switch(this.command) |
|
|
1337 |
{ |
|
|
1338 |
case 'm': |
|
|
1339 |
case 'l': |
|
|
1340 |
case 'h': |
|
|
1341 |
case 'v': |
|
|
1342 |
case 'c': |
|
|
1343 |
case 's': |
|
|
1344 |
case 'q': |
|
|
1345 |
case 't': |
|
|
1346 |
case 'a': |
|
|
1347 |
case 'z': |
|
|
1348 |
return true; |
|
|
1349 |
break; |
|
|
1350 |
} |
|
|
1351 |
return false; |
|
|
1352 |
} |
|
|
1353 |
|
|
|
1354 |
this.getToken = function() { |
|
|
1355 |
this.i++; |
|
|
1356 |
return this.tokens[this.i]; |
|
|
1357 |
} |
|
|
1358 |
|
|
|
1359 |
this.getScalar = function() { |
|
|
1360 |
return parseFloat(this.getToken()); |
|
|
1361 |
} |
|
|
1362 |
|
|
|
1363 |
this.nextCommand = function() { |
|
|
1364 |
this.previousCommand = this.command; |
|
|
1365 |
this.command = this.getToken(); |
|
|
1366 |
} |
|
|
1367 |
|
|
|
1368 |
this.getPoint = function() { |
|
|
1369 |
var p = new svg.Point(this.getScalar(), this.getScalar()); |
|
|
1370 |
return this.makeAbsolute(p); |
|
|
1371 |
} |
|
|
1372 |
|
|
|
1373 |
this.getAsControlPoint = function() { |
|
|
1374 |
var p = this.getPoint(); |
|
|
1375 |
this.control = p; |
|
|
1376 |
return p; |
|
|
1377 |
} |
|
|
1378 |
|
|
|
1379 |
this.getAsCurrentPoint = function() { |
|
|
1380 |
var p = this.getPoint(); |
|
|
1381 |
this.current = p; |
|
|
1382 |
return p; |
|
|
1383 |
} |
|
|
1384 |
|
|
|
1385 |
this.getReflectedControlPoint = function() { |
|
|
1386 |
if (this.previousCommand.toLowerCase() != 'c' && |
|
|
1387 |
this.previousCommand.toLowerCase() != 's' && |
|
|
1388 |
this.previousCommand.toLowerCase() != 'q' && |
|
|
1389 |
this.previousCommand.toLowerCase() != 't' ){ |
|
|
1390 |
return this.current; |
|
|
1391 |
} |
|
|
1392 |
|
|
|
1393 |
// reflect point |
|
|
1394 |
var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y); |
|
|
1395 |
return p; |
|
|
1396 |
} |
|
|
1397 |
|
|
|
1398 |
this.makeAbsolute = function(p) { |
|
|
1399 |
if (this.isRelativeCommand()) { |
|
|
1400 |
p.x += this.current.x; |
|
|
1401 |
p.y += this.current.y; |
|
|
1402 |
} |
|
|
1403 |
return p; |
|
|
1404 |
} |
|
|
1405 |
|
|
|
1406 |
this.addMarker = function(p, from, priorTo) { |
|
|
1407 |
// if the last angle isn't filled in because we didn't have this point yet ... |
|
|
1408 |
if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) { |
|
|
1409 |
this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo); |
|
|
1410 |
} |
|
|
1411 |
this.addMarkerAngle(p, from == null ? null : from.angleTo(p)); |
|
|
1412 |
} |
|
|
1413 |
|
|
|
1414 |
this.addMarkerAngle = function(p, a) { |
|
|
1415 |
this.points.push(p); |
|
|
1416 |
this.angles.push(a); |
|
|
1417 |
} |
|
|
1418 |
|
|
|
1419 |
this.getMarkerPoints = function() { return this.points; } |
|
|
1420 |
this.getMarkerAngles = function() { |
|
|
1421 |
for (var i=0; i<this.angles.length; i++) { |
|
|
1422 |
if (this.angles[i] == null) { |
|
|
1423 |
for (var j=i+1; j<this.angles.length; j++) { |
|
|
1424 |
if (this.angles[j] != null) { |
|
|
1425 |
this.angles[i] = this.angles[j]; |
|
|
1426 |
break; |
|
|
1427 |
} |
|
|
1428 |
} |
|
|
1429 |
} |
|
|
1430 |
} |
|
|
1431 |
return this.angles; |
|
|
1432 |
} |
|
|
1433 |
})(d); |
|
|
1434 |
|
|
|
1435 |
this.path = function(ctx) { |
|
|
1436 |
var pp = this.PathParser; |
|
|
1437 |
pp.reset(); |
|
|
1438 |
|
|
|
1439 |
var bb = new svg.BoundingBox(); |
|
|
1440 |
if (ctx != null) ctx.beginPath(); |
|
|
1441 |
while (!pp.isEnd()) { |
|
|
1442 |
pp.nextCommand(); |
|
|
1443 |
switch (pp.command) { |
|
|
1444 |
case 'M': |
|
|
1445 |
case 'm': |
|
|
1446 |
var p = pp.getAsCurrentPoint(); |
|
|
1447 |
pp.addMarker(p); |
|
|
1448 |
bb.addPoint(p.x, p.y); |
|
|
1449 |
if (ctx != null) ctx.moveTo(p.x, p.y); |
|
|
1450 |
pp.start = pp.current; |
|
|
1451 |
while (!pp.isCommandOrEnd()) { |
|
|
1452 |
var p = pp.getAsCurrentPoint(); |
|
|
1453 |
pp.addMarker(p, pp.start); |
|
|
1454 |
bb.addPoint(p.x, p.y); |
|
|
1455 |
if (ctx != null) ctx.lineTo(p.x, p.y); |
|
|
1456 |
} |
|
|
1457 |
break; |
|
|
1458 |
case 'L': |
|
|
1459 |
case 'l': |
|
|
1460 |
while (!pp.isCommandOrEnd()) { |
|
|
1461 |
var c = pp.current; |
|
|
1462 |
var p = pp.getAsCurrentPoint(); |
|
|
1463 |
pp.addMarker(p, c); |
|
|
1464 |
bb.addPoint(p.x, p.y); |
|
|
1465 |
if (ctx != null) ctx.lineTo(p.x, p.y); |
|
|
1466 |
} |
|
|
1467 |
break; |
|
|
1468 |
case 'H': |
|
|
1469 |
case 'h': |
|
|
1470 |
while (!pp.isCommandOrEnd()) { |
|
|
1471 |
var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y); |
|
|
1472 |
pp.addMarker(newP, pp.current); |
|
|
1473 |
pp.current = newP; |
|
|
1474 |
bb.addPoint(pp.current.x, pp.current.y); |
|
|
1475 |
if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); |
|
|
1476 |
} |
|
|
1477 |
break; |
|
|
1478 |
case 'V': |
|
|
1479 |
case 'v': |
|
|
1480 |
while (!pp.isCommandOrEnd()) { |
|
|
1481 |
var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar()); |
|
|
1482 |
pp.addMarker(newP, pp.current); |
|
|
1483 |
pp.current = newP; |
|
|
1484 |
bb.addPoint(pp.current.x, pp.current.y); |
|
|
1485 |
if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); |
|
|
1486 |
} |
|
|
1487 |
break; |
|
|
1488 |
case 'C': |
|
|
1489 |
case 'c': |
|
|
1490 |
while (!pp.isCommandOrEnd()) { |
|
|
1491 |
var curr = pp.current; |
|
|
1492 |
var p1 = pp.getPoint(); |
|
|
1493 |
var cntrl = pp.getAsControlPoint(); |
|
|
1494 |
var cp = pp.getAsCurrentPoint(); |
|
|
1495 |
pp.addMarker(cp, cntrl, p1); |
|
|
1496 |
bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1497 |
if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1498 |
} |
|
|
1499 |
break; |
|
|
1500 |
case 'S': |
|
|
1501 |
case 's': |
|
|
1502 |
while (!pp.isCommandOrEnd()) { |
|
|
1503 |
var curr = pp.current; |
|
|
1504 |
var p1 = pp.getReflectedControlPoint(); |
|
|
1505 |
var cntrl = pp.getAsControlPoint(); |
|
|
1506 |
var cp = pp.getAsCurrentPoint(); |
|
|
1507 |
pp.addMarker(cp, cntrl, p1); |
|
|
1508 |
bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1509 |
if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1510 |
} |
|
|
1511 |
break; |
|
|
1512 |
case 'Q': |
|
|
1513 |
case 'q': |
|
|
1514 |
while (!pp.isCommandOrEnd()) { |
|
|
1515 |
var curr = pp.current; |
|
|
1516 |
var cntrl = pp.getAsControlPoint(); |
|
|
1517 |
var cp = pp.getAsCurrentPoint(); |
|
|
1518 |
pp.addMarker(cp, cntrl, cntrl); |
|
|
1519 |
bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1520 |
if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1521 |
} |
|
|
1522 |
break; |
|
|
1523 |
case 'T': |
|
|
1524 |
case 't': |
|
|
1525 |
while (!pp.isCommandOrEnd()) { |
|
|
1526 |
var curr = pp.current; |
|
|
1527 |
var cntrl = pp.getReflectedControlPoint(); |
|
|
1528 |
pp.control = cntrl; |
|
|
1529 |
var cp = pp.getAsCurrentPoint(); |
|
|
1530 |
pp.addMarker(cp, cntrl, cntrl); |
|
|
1531 |
bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1532 |
if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); |
|
|
1533 |
} |
|
|
1534 |
break; |
|
|
1535 |
case 'A': |
|
|
1536 |
case 'a': |
|
|
1537 |
while (!pp.isCommandOrEnd()) { |
|
|
1538 |
var curr = pp.current; |
|
|
1539 |
var rx = pp.getScalar(); |
|
|
1540 |
var ry = pp.getScalar(); |
|
|
1541 |
var xAxisRotation = pp.getScalar() * (Math.PI / 180.0); |
|
|
1542 |
var largeArcFlag = pp.getScalar(); |
|
|
1543 |
var sweepFlag = pp.getScalar(); |
|
|
1544 |
var cp = pp.getAsCurrentPoint(); |
|
|
1545 |
|
|
|
1546 |
// Conversion from endpoint to center parameterization |
|
|
1547 |
// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes |
|
|
1548 |
// x1', y1' |
|
|
1549 |
var currp = new svg.Point( |
|
|
1550 |
Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, |
|
|
1551 |
-Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0 |
|
|
1552 |
); |
|
|
1553 |
// adjust radii |
|
|
1554 |
var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2); |
|
|
1555 |
if (l > 1) { |
|
|
1556 |
rx *= Math.sqrt(l); |
|
|
1557 |
ry *= Math.sqrt(l); |
|
|
1558 |
} |
|
|
1559 |
// cx', cy' |
|
|
1560 |
var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt( |
|
|
1561 |
((Math.pow(rx,2)*Math.pow(ry,2))-(Math.pow(rx,2)*Math.pow(currp.y,2))-(Math.pow(ry,2)*Math.pow(currp.x,2))) / |
|
|
1562 |
(Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2)) |
|
|
1563 |
); |
|
|
1564 |
if (isNaN(s)) s = 0; |
|
|
1565 |
var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); |
|
|
1566 |
// cx, cy |
|
|
1567 |
var centp = new svg.Point( |
|
|
1568 |
(curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, |
|
|
1569 |
(curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y |
|
|
1570 |
); |
|
|
1571 |
// vector magnitude |
|
|
1572 |
var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); } |
|
|
1573 |
// ratio between two vectors |
|
|
1574 |
var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) } |
|
|
1575 |
// angle between two vectors |
|
|
1576 |
var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); } |
|
|
1577 |
// initial angle |
|
|
1578 |
var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]); |
|
|
1579 |
// angle delta |
|
|
1580 |
var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]; |
|
|
1581 |
var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry]; |
|
|
1582 |
var ad = a(u, v); |
|
|
1583 |
if (r(u,v) <= -1) ad = Math.PI; |
|
|
1584 |
if (r(u,v) >= 1) ad = 0; |
|
|
1585 |
|
|
|
1586 |
// for markers |
|
|
1587 |
var dir = 1 - sweepFlag ? 1.0 : -1.0; |
|
|
1588 |
var ah = a1 + dir * (ad / 2.0); |
|
|
1589 |
var halfWay = new svg.Point( |
|
|
1590 |
centp.x + rx * Math.cos(ah), |
|
|
1591 |
centp.y + ry * Math.sin(ah) |
|
|
1592 |
); |
|
|
1593 |
pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2); |
|
|
1594 |
pp.addMarkerAngle(cp, ah - dir * Math.PI); |
|
|
1595 |
|
|
|
1596 |
bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better |
|
|
1597 |
if (ctx != null) { |
|
|
1598 |
var r = rx > ry ? rx : ry; |
|
|
1599 |
var sx = rx > ry ? 1 : rx / ry; |
|
|
1600 |
var sy = rx > ry ? ry / rx : 1; |
|
|
1601 |
|
|
|
1602 |
ctx.translate(centp.x, centp.y); |
|
|
1603 |
ctx.rotate(xAxisRotation); |
|
|
1604 |
ctx.scale(sx, sy); |
|
|
1605 |
ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag); |
|
|
1606 |
ctx.scale(1/sx, 1/sy); |
|
|
1607 |
ctx.rotate(-xAxisRotation); |
|
|
1608 |
ctx.translate(-centp.x, -centp.y); |
|
|
1609 |
} |
|
|
1610 |
} |
|
|
1611 |
break; |
|
|
1612 |
case 'Z': |
|
|
1613 |
case 'z': |
|
|
1614 |
if (ctx != null) ctx.closePath(); |
|
|
1615 |
pp.current = pp.start; |
|
|
1616 |
} |
|
|
1617 |
} |
|
|
1618 |
|
|
|
1619 |
return bb; |
|
|
1620 |
} |
|
|
1621 |
|
|
|
1622 |
this.getMarkers = function() { |
|
|
1623 |
var points = this.PathParser.getMarkerPoints(); |
|
|
1624 |
var angles = this.PathParser.getMarkerAngles(); |
|
|
1625 |
|
|
|
1626 |
var markers = []; |
|
|
1627 |
for (var i=0; i<points.length; i++) { |
|
|
1628 |
markers.push([points[i], angles[i]]); |
|
|
1629 |
} |
|
|
1630 |
return markers; |
|
|
1631 |
} |
|
|
1632 |
} |
|
|
1633 |
svg.Element.path.prototype = new svg.Element.PathElementBase; |
|
|
1634 |
|
|
|
1635 |
// pattern element |
|
|
1636 |
svg.Element.pattern = function(node) { |
|
|
1637 |
this.base = svg.Element.ElementBase; |
|
|
1638 |
this.base(node); |
|
|
1639 |
|
|
|
1640 |
this.createPattern = function(ctx, element) { |
|
|
1641 |
var width = this.attribute('width').toPixels('x', true); |
|
|
1642 |
var height = this.attribute('height').toPixels('y', true); |
|
|
1643 |
|
|
|
1644 |
// render me using a temporary svg element |
|
|
1645 |
var tempSvg = new svg.Element.svg(); |
|
|
1646 |
tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value); |
|
|
1647 |
tempSvg.attributes['width'] = new svg.Property('width', width + 'px'); |
|
|
1648 |
tempSvg.attributes['height'] = new svg.Property('height', height + 'px'); |
|
|
1649 |
tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value); |
|
|
1650 |
tempSvg.children = this.children; |
|
|
1651 |
|
|
|
1652 |
var c = document.createElement('canvas'); |
|
|
1653 |
c.width = width; |
|
|
1654 |
c.height = height; |
|
|
1655 |
var cctx = c.getContext('2d'); |
|
|
1656 |
if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) { |
|
|
1657 |
cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true)); |
|
|
1658 |
} |
|
|
1659 |
// render 3x3 grid so when we transform there's no white space on edges |
|
|
1660 |
for (var x=-1; x<=1; x++) { |
|
|
1661 |
for (var y=-1; y<=1; y++) { |
|
|
1662 |
cctx.save(); |
|
|
1663 |
tempSvg.attributes['x'] = new svg.Property('x', x * c.width); |
|
|
1664 |
tempSvg.attributes['y'] = new svg.Property('y', y * c.height); |
|
|
1665 |
tempSvg.render(cctx); |
|
|
1666 |
cctx.restore(); |
|
|
1667 |
} |
|
|
1668 |
} |
|
|
1669 |
var pattern = ctx.createPattern(c, 'repeat'); |
|
|
1670 |
return pattern; |
|
|
1671 |
} |
|
|
1672 |
} |
|
|
1673 |
svg.Element.pattern.prototype = new svg.Element.ElementBase; |
|
|
1674 |
|
|
|
1675 |
// marker element |
|
|
1676 |
svg.Element.marker = function(node) { |
|
|
1677 |
this.base = svg.Element.ElementBase; |
|
|
1678 |
this.base(node); |
|
|
1679 |
|
|
|
1680 |
this.baseRender = this.render; |
|
|
1681 |
this.render = function(ctx, point, angle) { |
|
|
1682 |
ctx.translate(point.x, point.y); |
|
|
1683 |
if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle); |
|
|
1684 |
if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth); |
|
|
1685 |
ctx.save(); |
|
|
1686 |
|
|
|
1687 |
// render me using a temporary svg element |
|
|
1688 |
var tempSvg = new svg.Element.svg(); |
|
|
1689 |
tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value); |
|
|
1690 |
tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value); |
|
|
1691 |
tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value); |
|
|
1692 |
tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value); |
|
|
1693 |
tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value); |
|
|
1694 |
tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black')); |
|
|
1695 |
tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none')); |
|
|
1696 |
tempSvg.children = this.children; |
|
|
1697 |
tempSvg.render(ctx); |
|
|
1698 |
|
|
|
1699 |
ctx.restore(); |
|
|
1700 |
if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth); |
|
|
1701 |
if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle); |
|
|
1702 |
ctx.translate(-point.x, -point.y); |
|
|
1703 |
} |
|
|
1704 |
} |
|
|
1705 |
svg.Element.marker.prototype = new svg.Element.ElementBase; |
|
|
1706 |
|
|
|
1707 |
// definitions element |
|
|
1708 |
svg.Element.defs = function(node) { |
|
|
1709 |
this.base = svg.Element.ElementBase; |
|
|
1710 |
this.base(node); |
|
|
1711 |
|
|
|
1712 |
this.render = function(ctx) { |
|
|
1713 |
// NOOP |
|
|
1714 |
} |
|
|
1715 |
} |
|
|
1716 |
svg.Element.defs.prototype = new svg.Element.ElementBase; |
|
|
1717 |
|
|
|
1718 |
// base for gradients |
|
|
1719 |
svg.Element.GradientBase = function(node) { |
|
|
1720 |
this.base = svg.Element.ElementBase; |
|
|
1721 |
this.base(node); |
|
|
1722 |
|
|
|
1723 |
this.stops = []; |
|
|
1724 |
for (var i=0; i<this.children.length; i++) { |
|
|
1725 |
var child = this.children[i]; |
|
|
1726 |
if (child.type == 'stop') this.stops.push(child); |
|
|
1727 |
} |
|
|
1728 |
|
|
|
1729 |
this.getGradient = function() { |
|
|
1730 |
// OVERRIDE ME! |
|
|
1731 |
} |
|
|
1732 |
|
|
|
1733 |
this.gradientUnits = function () { |
|
|
1734 |
return this.attribute('gradientUnits').valueOrDefault('objectBoundingBox'); |
|
|
1735 |
} |
|
|
1736 |
|
|
|
1737 |
this.attributesToInherit = ['gradientUnits']; |
|
|
1738 |
|
|
|
1739 |
this.inheritStopContainer = function (stopsContainer) { |
|
|
1740 |
for (var i=0; i<this.attributesToInherit.length; i++) { |
|
|
1741 |
var attributeToInherit = this.attributesToInherit[i]; |
|
|
1742 |
if (!this.attribute(attributeToInherit).hasValue() && stopsContainer.attribute(attributeToInherit).hasValue()) { |
|
|
1743 |
this.attribute(attributeToInherit, true).value = stopsContainer.attribute(attributeToInherit).value; |
|
|
1744 |
} |
|
|
1745 |
} |
|
|
1746 |
} |
|
|
1747 |
|
|
|
1748 |
this.createGradient = function(ctx, element, parentOpacityProp) { |
|
|
1749 |
var stopsContainer = this; |
|
|
1750 |
if (this.getHrefAttribute().hasValue()) { |
|
|
1751 |
stopsContainer = this.getHrefAttribute().getDefinition(); |
|
|
1752 |
this.inheritStopContainer(stopsContainer); |
|
|
1753 |
} |
|
|
1754 |
|
|
|
1755 |
var addParentOpacity = function (color) { |
|
|
1756 |
if (parentOpacityProp.hasValue()) { |
|
|
1757 |
var p = new svg.Property('color', color); |
|
|
1758 |
return p.addOpacity(parentOpacityProp).value; |
|
|
1759 |
} |
|
|
1760 |
return color; |
|
|
1761 |
}; |
|
|
1762 |
|
|
|
1763 |
var g = this.getGradient(ctx, element); |
|
|
1764 |
if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color); |
|
|
1765 |
for (var i=0; i<stopsContainer.stops.length; i++) { |
|
|
1766 |
g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color)); |
|
|
1767 |
} |
|
|
1768 |
|
|
|
1769 |
if (this.attribute('gradientTransform').hasValue()) { |
|
|
1770 |
// render as transformed pattern on temporary canvas |
|
|
1771 |
var rootView = svg.ViewPort.viewPorts[0]; |
|
|
1772 |
|
|
|
1773 |
var rect = new svg.Element.rect(); |
|
|
1774 |
rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0); |
|
|
1775 |
rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0); |
|
|
1776 |
rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS); |
|
|
1777 |
rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS); |
|
|
1778 |
|
|
|
1779 |
var group = new svg.Element.g(); |
|
|
1780 |
group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value); |
|
|
1781 |
group.children = [ rect ]; |
|
|
1782 |
|
|
|
1783 |
var tempSvg = new svg.Element.svg(); |
|
|
1784 |
tempSvg.attributes['x'] = new svg.Property('x', 0); |
|
|
1785 |
tempSvg.attributes['y'] = new svg.Property('y', 0); |
|
|
1786 |
tempSvg.attributes['width'] = new svg.Property('width', rootView.width); |
|
|
1787 |
tempSvg.attributes['height'] = new svg.Property('height', rootView.height); |
|
|
1788 |
tempSvg.children = [ group ]; |
|
|
1789 |
|
|
|
1790 |
var c = document.createElement('canvas'); |
|
|
1791 |
c.width = rootView.width; |
|
|
1792 |
c.height = rootView.height; |
|
|
1793 |
var tempCtx = c.getContext('2d'); |
|
|
1794 |
tempCtx.fillStyle = g; |
|
|
1795 |
tempSvg.render(tempCtx); |
|
|
1796 |
return tempCtx.createPattern(c, 'no-repeat'); |
|
|
1797 |
} |
|
|
1798 |
|
|
|
1799 |
return g; |
|
|
1800 |
} |
|
|
1801 |
} |
|
|
1802 |
svg.Element.GradientBase.prototype = new svg.Element.ElementBase; |
|
|
1803 |
|
|
|
1804 |
// linear gradient element |
|
|
1805 |
svg.Element.linearGradient = function(node) { |
|
|
1806 |
this.base = svg.Element.GradientBase; |
|
|
1807 |
this.base(node); |
|
|
1808 |
|
|
|
1809 |
this.attributesToInherit.push('x1'); |
|
|
1810 |
this.attributesToInherit.push('y1'); |
|
|
1811 |
this.attributesToInherit.push('x2'); |
|
|
1812 |
this.attributesToInherit.push('y2'); |
|
|
1813 |
|
|
|
1814 |
this.getGradient = function(ctx, element) { |
|
|
1815 |
var bb = this.gradientUnits() == 'objectBoundingBox' ? element.getBoundingBox() : null; |
|
|
1816 |
|
|
|
1817 |
if (!this.attribute('x1').hasValue() |
|
|
1818 |
&& !this.attribute('y1').hasValue() |
|
|
1819 |
&& !this.attribute('x2').hasValue() |
|
|
1820 |
&& !this.attribute('y2').hasValue()) { |
|
|
1821 |
this.attribute('x1', true).value = 0; |
|
|
1822 |
this.attribute('y1', true).value = 0; |
|
|
1823 |
this.attribute('x2', true).value = 1; |
|
|
1824 |
this.attribute('y2', true).value = 0; |
|
|
1825 |
} |
|
|
1826 |
|
|
|
1827 |
var x1 = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1828 |
? bb.x() + bb.width() * this.attribute('x1').numValue() |
|
|
1829 |
: this.attribute('x1').toPixels('x')); |
|
|
1830 |
var y1 = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1831 |
? bb.y() + bb.height() * this.attribute('y1').numValue() |
|
|
1832 |
: this.attribute('y1').toPixels('y')); |
|
|
1833 |
var x2 = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1834 |
? bb.x() + bb.width() * this.attribute('x2').numValue() |
|
|
1835 |
: this.attribute('x2').toPixels('x')); |
|
|
1836 |
var y2 = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1837 |
? bb.y() + bb.height() * this.attribute('y2').numValue() |
|
|
1838 |
: this.attribute('y2').toPixels('y')); |
|
|
1839 |
|
|
|
1840 |
if (x1 == x2 && y1 == y2) return null; |
|
|
1841 |
return ctx.createLinearGradient(x1, y1, x2, y2); |
|
|
1842 |
} |
|
|
1843 |
} |
|
|
1844 |
svg.Element.linearGradient.prototype = new svg.Element.GradientBase; |
|
|
1845 |
|
|
|
1846 |
// radial gradient element |
|
|
1847 |
svg.Element.radialGradient = function(node) { |
|
|
1848 |
this.base = svg.Element.GradientBase; |
|
|
1849 |
this.base(node); |
|
|
1850 |
|
|
|
1851 |
this.attributesToInherit.push('cx'); |
|
|
1852 |
this.attributesToInherit.push('cy'); |
|
|
1853 |
this.attributesToInherit.push('r'); |
|
|
1854 |
this.attributesToInherit.push('fx'); |
|
|
1855 |
this.attributesToInherit.push('fy'); |
|
|
1856 |
|
|
|
1857 |
this.getGradient = function(ctx, element) { |
|
|
1858 |
var bb = element.getBoundingBox(); |
|
|
1859 |
|
|
|
1860 |
if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%'; |
|
|
1861 |
if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%'; |
|
|
1862 |
if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%'; |
|
|
1863 |
|
|
|
1864 |
var cx = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1865 |
? bb.x() + bb.width() * this.attribute('cx').numValue() |
|
|
1866 |
: this.attribute('cx').toPixels('x')); |
|
|
1867 |
var cy = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1868 |
? bb.y() + bb.height() * this.attribute('cy').numValue() |
|
|
1869 |
: this.attribute('cy').toPixels('y')); |
|
|
1870 |
|
|
|
1871 |
var fx = cx; |
|
|
1872 |
var fy = cy; |
|
|
1873 |
if (this.attribute('fx').hasValue()) { |
|
|
1874 |
fx = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1875 |
? bb.x() + bb.width() * this.attribute('fx').numValue() |
|
|
1876 |
: this.attribute('fx').toPixels('x')); |
|
|
1877 |
} |
|
|
1878 |
if (this.attribute('fy').hasValue()) { |
|
|
1879 |
fy = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1880 |
? bb.y() + bb.height() * this.attribute('fy').numValue() |
|
|
1881 |
: this.attribute('fy').toPixels('y')); |
|
|
1882 |
} |
|
|
1883 |
|
|
|
1884 |
var r = (this.gradientUnits() == 'objectBoundingBox' |
|
|
1885 |
? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() |
|
|
1886 |
: this.attribute('r').toPixels()); |
|
|
1887 |
|
|
|
1888 |
return ctx.createRadialGradient(fx, fy, 0, cx, cy, r); |
|
|
1889 |
} |
|
|
1890 |
} |
|
|
1891 |
svg.Element.radialGradient.prototype = new svg.Element.GradientBase; |
|
|
1892 |
|
|
|
1893 |
// gradient stop element |
|
|
1894 |
svg.Element.stop = function(node) { |
|
|
1895 |
this.base = svg.Element.ElementBase; |
|
|
1896 |
this.base(node); |
|
|
1897 |
|
|
|
1898 |
this.offset = this.attribute('offset').numValue(); |
|
|
1899 |
if (this.offset < 0) this.offset = 0; |
|
|
1900 |
if (this.offset > 1) this.offset = 1; |
|
|
1901 |
|
|
|
1902 |
var stopColor = this.style('stop-color', true); |
|
|
1903 |
if (stopColor.value === '') stopColor.value = '#000'; |
|
|
1904 |
if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity')); |
|
|
1905 |
this.color = stopColor.value; |
|
|
1906 |
} |
|
|
1907 |
svg.Element.stop.prototype = new svg.Element.ElementBase; |
|
|
1908 |
|
|
|
1909 |
// animation base element |
|
|
1910 |
svg.Element.AnimateBase = function(node) { |
|
|
1911 |
this.base = svg.Element.ElementBase; |
|
|
1912 |
this.base(node); |
|
|
1913 |
|
|
|
1914 |
svg.Animations.push(this); |
|
|
1915 |
|
|
|
1916 |
this.duration = 0.0; |
|
|
1917 |
this.begin = this.attribute('begin').toMilliseconds(); |
|
|
1918 |
this.maxDuration = this.begin + this.attribute('dur').toMilliseconds(); |
|
|
1919 |
|
|
|
1920 |
this.getProperty = function() { |
|
|
1921 |
var attributeType = this.attribute('attributeType').value; |
|
|
1922 |
var attributeName = this.attribute('attributeName').value; |
|
|
1923 |
|
|
|
1924 |
if (attributeType == 'CSS') { |
|
|
1925 |
return this.parent.style(attributeName, true); |
|
|
1926 |
} |
|
|
1927 |
return this.parent.attribute(attributeName, true); |
|
|
1928 |
}; |
|
|
1929 |
|
|
|
1930 |
this.initialValue = null; |
|
|
1931 |
this.initialUnits = ''; |
|
|
1932 |
this.removed = false; |
|
|
1933 |
|
|
|
1934 |
this.calcValue = function() { |
|
|
1935 |
// OVERRIDE ME! |
|
|
1936 |
return ''; |
|
|
1937 |
} |
|
|
1938 |
|
|
|
1939 |
this.update = function(delta) { |
|
|
1940 |
// set initial value |
|
|
1941 |
if (this.initialValue == null) { |
|
|
1942 |
this.initialValue = this.getProperty().value; |
|
|
1943 |
this.initialUnits = this.getProperty().getUnits(); |
|
|
1944 |
} |
|
|
1945 |
|
|
|
1946 |
// if we're past the end time |
|
|
1947 |
if (this.duration > this.maxDuration) { |
|
|
1948 |
// loop for indefinitely repeating animations |
|
|
1949 |
if (this.attribute('repeatCount').value == 'indefinite' |
|
|
1950 |
|| this.attribute('repeatDur').value == 'indefinite') { |
|
|
1951 |
this.duration = 0.0 |
|
|
1952 |
} |
|
|
1953 |
else if (this.attribute('fill').valueOrDefault('remove') == 'freeze' && !this.frozen) { |
|
|
1954 |
this.frozen = true; |
|
|
1955 |
this.parent.animationFrozen = true; |
|
|
1956 |
this.parent.animationFrozenValue = this.getProperty().value; |
|
|
1957 |
} |
|
|
1958 |
else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) { |
|
|
1959 |
this.removed = true; |
|
|
1960 |
this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue; |
|
|
1961 |
return true; |
|
|
1962 |
} |
|
|
1963 |
return false; |
|
|
1964 |
} |
|
|
1965 |
this.duration = this.duration + delta; |
|
|
1966 |
|
|
|
1967 |
// if we're past the begin time |
|
|
1968 |
var updated = false; |
|
|
1969 |
if (this.begin < this.duration) { |
|
|
1970 |
var newValue = this.calcValue(); // tween |
|
|
1971 |
|
|
|
1972 |
if (this.attribute('type').hasValue()) { |
|
|
1973 |
// for transform, etc. |
|
|
1974 |
var type = this.attribute('type').value; |
|
|
1975 |
newValue = type + '(' + newValue + ')'; |
|
|
1976 |
} |
|
|
1977 |
|
|
|
1978 |
this.getProperty().value = newValue; |
|
|
1979 |
updated = true; |
|
|
1980 |
} |
|
|
1981 |
|
|
|
1982 |
return updated; |
|
|
1983 |
} |
|
|
1984 |
|
|
|
1985 |
this.from = this.attribute('from'); |
|
|
1986 |
this.to = this.attribute('to'); |
|
|
1987 |
this.values = this.attribute('values'); |
|
|
1988 |
if (this.values.hasValue()) this.values.value = this.values.value.split(';'); |
|
|
1989 |
|
|
|
1990 |
// fraction of duration we've covered |
|
|
1991 |
this.progress = function() { |
|
|
1992 |
var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) }; |
|
|
1993 |
if (this.values.hasValue()) { |
|
|
1994 |
var p = ret.progress * (this.values.value.length - 1); |
|
|
1995 |
var lb = Math.floor(p), ub = Math.ceil(p); |
|
|
1996 |
ret.from = new svg.Property('from', parseFloat(this.values.value[lb])); |
|
|
1997 |
ret.to = new svg.Property('to', parseFloat(this.values.value[ub])); |
|
|
1998 |
ret.progress = (p - lb) / (ub - lb); |
|
|
1999 |
} |
|
|
2000 |
else { |
|
|
2001 |
ret.from = this.from; |
|
|
2002 |
ret.to = this.to; |
|
|
2003 |
} |
|
|
2004 |
return ret; |
|
|
2005 |
} |
|
|
2006 |
} |
|
|
2007 |
svg.Element.AnimateBase.prototype = new svg.Element.ElementBase; |
|
|
2008 |
|
|
|
2009 |
// animate element |
|
|
2010 |
svg.Element.animate = function(node) { |
|
|
2011 |
this.base = svg.Element.AnimateBase; |
|
|
2012 |
this.base(node); |
|
|
2013 |
|
|
|
2014 |
this.calcValue = function() { |
|
|
2015 |
var p = this.progress(); |
|
|
2016 |
|
|
|
2017 |
// tween value linearly |
|
|
2018 |
var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress; |
|
|
2019 |
return newValue + this.initialUnits; |
|
|
2020 |
}; |
|
|
2021 |
} |
|
|
2022 |
svg.Element.animate.prototype = new svg.Element.AnimateBase; |
|
|
2023 |
|
|
|
2024 |
// animate color element |
|
|
2025 |
svg.Element.animateColor = function(node) { |
|
|
2026 |
this.base = svg.Element.AnimateBase; |
|
|
2027 |
this.base(node); |
|
|
2028 |
|
|
|
2029 |
this.calcValue = function() { |
|
|
2030 |
var p = this.progress(); |
|
|
2031 |
var from = new RGBColor(p.from.value); |
|
|
2032 |
var to = new RGBColor(p.to.value); |
|
|
2033 |
|
|
|
2034 |
if (from.ok && to.ok) { |
|
|
2035 |
// tween color linearly |
|
|
2036 |
var r = from.r + (to.r - from.r) * p.progress; |
|
|
2037 |
var g = from.g + (to.g - from.g) * p.progress; |
|
|
2038 |
var b = from.b + (to.b - from.b) * p.progress; |
|
|
2039 |
return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')'; |
|
|
2040 |
} |
|
|
2041 |
return this.attribute('from').value; |
|
|
2042 |
}; |
|
|
2043 |
} |
|
|
2044 |
svg.Element.animateColor.prototype = new svg.Element.AnimateBase; |
|
|
2045 |
|
|
|
2046 |
// animate transform element |
|
|
2047 |
svg.Element.animateTransform = function(node) { |
|
|
2048 |
this.base = svg.Element.AnimateBase; |
|
|
2049 |
this.base(node); |
|
|
2050 |
|
|
|
2051 |
this.calcValue = function() { |
|
|
2052 |
var p = this.progress(); |
|
|
2053 |
|
|
|
2054 |
// tween value linearly |
|
|
2055 |
var from = svg.ToNumberArray(p.from.value); |
|
|
2056 |
var to = svg.ToNumberArray(p.to.value); |
|
|
2057 |
var newValue = ''; |
|
|
2058 |
for (var i=0; i<from.length; i++) { |
|
|
2059 |
newValue += from[i] + (to[i] - from[i]) * p.progress + ' '; |
|
|
2060 |
} |
|
|
2061 |
return newValue; |
|
|
2062 |
}; |
|
|
2063 |
} |
|
|
2064 |
svg.Element.animateTransform.prototype = new svg.Element.animate; |
|
|
2065 |
|
|
|
2066 |
// font element |
|
|
2067 |
svg.Element.font = function(node) { |
|
|
2068 |
this.base = svg.Element.ElementBase; |
|
|
2069 |
this.base(node); |
|
|
2070 |
|
|
|
2071 |
this.horizAdvX = this.attribute('horiz-adv-x').numValue(); |
|
|
2072 |
|
|
|
2073 |
this.isRTL = false; |
|
|
2074 |
this.isArabic = false; |
|
|
2075 |
this.fontFace = null; |
|
|
2076 |
this.missingGlyph = null; |
|
|
2077 |
this.glyphs = []; |
|
|
2078 |
for (var i=0; i<this.children.length; i++) { |
|
|
2079 |
var child = this.children[i]; |
|
|
2080 |
if (child.type == 'font-face') { |
|
|
2081 |
this.fontFace = child; |
|
|
2082 |
if (child.style('font-family').hasValue()) { |
|
|
2083 |
svg.Definitions[child.style('font-family').value] = this; |
|
|
2084 |
} |
|
|
2085 |
} |
|
|
2086 |
else if (child.type == 'missing-glyph') this.missingGlyph = child; |
|
|
2087 |
else if (child.type == 'glyph') { |
|
|
2088 |
if (child.arabicForm != '') { |
|
|
2089 |
this.isRTL = true; |
|
|
2090 |
this.isArabic = true; |
|
|
2091 |
if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = []; |
|
|
2092 |
this.glyphs[child.unicode][child.arabicForm] = child; |
|
|
2093 |
} |
|
|
2094 |
else { |
|
|
2095 |
this.glyphs[child.unicode] = child; |
|
|
2096 |
} |
|
|
2097 |
} |
|
|
2098 |
} |
|
|
2099 |
} |
|
|
2100 |
svg.Element.font.prototype = new svg.Element.ElementBase; |
|
|
2101 |
|
|
|
2102 |
// font-face element |
|
|
2103 |
svg.Element.fontface = function(node) { |
|
|
2104 |
this.base = svg.Element.ElementBase; |
|
|
2105 |
this.base(node); |
|
|
2106 |
|
|
|
2107 |
this.ascent = this.attribute('ascent').value; |
|
|
2108 |
this.descent = this.attribute('descent').value; |
|
|
2109 |
this.unitsPerEm = this.attribute('units-per-em').numValue(); |
|
|
2110 |
} |
|
|
2111 |
svg.Element.fontface.prototype = new svg.Element.ElementBase; |
|
|
2112 |
|
|
|
2113 |
// missing-glyph element |
|
|
2114 |
svg.Element.missingglyph = function(node) { |
|
|
2115 |
this.base = svg.Element.path; |
|
|
2116 |
this.base(node); |
|
|
2117 |
|
|
|
2118 |
this.horizAdvX = 0; |
|
|
2119 |
} |
|
|
2120 |
svg.Element.missingglyph.prototype = new svg.Element.path; |
|
|
2121 |
|
|
|
2122 |
// glyph element |
|
|
2123 |
svg.Element.glyph = function(node) { |
|
|
2124 |
this.base = svg.Element.path; |
|
|
2125 |
this.base(node); |
|
|
2126 |
|
|
|
2127 |
this.horizAdvX = this.attribute('horiz-adv-x').numValue(); |
|
|
2128 |
this.unicode = this.attribute('unicode').value; |
|
|
2129 |
this.arabicForm = this.attribute('arabic-form').value; |
|
|
2130 |
} |
|
|
2131 |
svg.Element.glyph.prototype = new svg.Element.path; |
|
|
2132 |
|
|
|
2133 |
// text element |
|
|
2134 |
svg.Element.text = function(node) { |
|
|
2135 |
this.captureTextNodes = true; |
|
|
2136 |
this.base = svg.Element.RenderedElementBase; |
|
|
2137 |
this.base(node); |
|
|
2138 |
|
|
|
2139 |
this.baseSetContext = this.setContext; |
|
|
2140 |
this.setContext = function(ctx) { |
|
|
2141 |
this.baseSetContext(ctx); |
|
|
2142 |
|
|
|
2143 |
var textBaseline = this.style('dominant-baseline').toTextBaseline(); |
|
|
2144 |
if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline(); |
|
|
2145 |
if (textBaseline != null) ctx.textBaseline = textBaseline; |
|
|
2146 |
} |
|
|
2147 |
|
|
|
2148 |
this.getBoundingBox = function () { |
|
|
2149 |
var x = this.attribute('x').toPixels('x'); |
|
|
2150 |
var y = this.attribute('y').toPixels('y'); |
|
|
2151 |
var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); |
|
|
2152 |
return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y); |
|
|
2153 |
} |
|
|
2154 |
|
|
|
2155 |
this.renderChildren = function(ctx) { |
|
|
2156 |
this.x = this.attribute('x').toPixels('x'); |
|
|
2157 |
this.y = this.attribute('y').toPixels('y'); |
|
|
2158 |
if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x'); |
|
|
2159 |
if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y'); |
|
|
2160 |
this.x += this.getAnchorDelta(ctx, this, 0); |
|
|
2161 |
for (var i=0; i<this.children.length; i++) { |
|
|
2162 |
this.renderChild(ctx, this, i); |
|
|
2163 |
} |
|
|
2164 |
} |
|
|
2165 |
|
|
|
2166 |
this.getAnchorDelta = function (ctx, parent, startI) { |
|
|
2167 |
var textAnchor = this.style('text-anchor').valueOrDefault('start'); |
|
|
2168 |
if (textAnchor != 'start') { |
|
|
2169 |
var width = 0; |
|
|
2170 |
for (var i=startI; i<parent.children.length; i++) { |
|
|
2171 |
var child = parent.children[i]; |
|
|
2172 |
if (i > startI && child.attribute('x').hasValue()) break; // new group |
|
|
2173 |
width += child.measureTextRecursive(ctx); |
|
|
2174 |
} |
|
|
2175 |
return -1 * (textAnchor == 'end' ? width : width / 2.0); |
|
|
2176 |
} |
|
|
2177 |
return 0; |
|
|
2178 |
} |
|
|
2179 |
|
|
|
2180 |
this.renderChild = function(ctx, parent, i) { |
|
|
2181 |
var child = parent.children[i]; |
|
|
2182 |
if (child.attribute('x').hasValue()) { |
|
|
2183 |
child.x = child.attribute('x').toPixels('x') + parent.getAnchorDelta(ctx, parent, i); |
|
|
2184 |
if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x'); |
|
|
2185 |
} |
|
|
2186 |
else { |
|
|
2187 |
if (child.attribute('dx').hasValue()) parent.x += child.attribute('dx').toPixels('x'); |
|
|
2188 |
child.x = parent.x; |
|
|
2189 |
} |
|
|
2190 |
parent.x = child.x + child.measureText(ctx); |
|
|
2191 |
|
|
|
2192 |
if (child.attribute('y').hasValue()) { |
|
|
2193 |
child.y = child.attribute('y').toPixels('y'); |
|
|
2194 |
if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y'); |
|
|
2195 |
} |
|
|
2196 |
else { |
|
|
2197 |
if (child.attribute('dy').hasValue()) parent.y += child.attribute('dy').toPixels('y'); |
|
|
2198 |
child.y = parent.y; |
|
|
2199 |
} |
|
|
2200 |
parent.y = child.y; |
|
|
2201 |
|
|
|
2202 |
child.render(ctx); |
|
|
2203 |
|
|
|
2204 |
for (var i=0; i<child.children.length; i++) { |
|
|
2205 |
parent.renderChild(ctx, child, i); |
|
|
2206 |
} |
|
|
2207 |
} |
|
|
2208 |
} |
|
|
2209 |
svg.Element.text.prototype = new svg.Element.RenderedElementBase; |
|
|
2210 |
|
|
|
2211 |
// text base |
|
|
2212 |
svg.Element.TextElementBase = function(node) { |
|
|
2213 |
this.base = svg.Element.RenderedElementBase; |
|
|
2214 |
this.base(node); |
|
|
2215 |
|
|
|
2216 |
this.getGlyph = function(font, text, i) { |
|
|
2217 |
var c = text[i]; |
|
|
2218 |
var glyph = null; |
|
|
2219 |
if (font.isArabic) { |
|
|
2220 |
var arabicForm = 'isolated'; |
|
|
2221 |
if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal'; |
|
|
2222 |
if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial'; |
|
|
2223 |
if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial'; |
|
|
2224 |
if (typeof(font.glyphs[c]) != 'undefined') { |
|
|
2225 |
glyph = font.glyphs[c][arabicForm]; |
|
|
2226 |
if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c]; |
|
|
2227 |
} |
|
|
2228 |
} |
|
|
2229 |
else { |
|
|
2230 |
glyph = font.glyphs[c]; |
|
|
2231 |
} |
|
|
2232 |
if (glyph == null) glyph = font.missingGlyph; |
|
|
2233 |
return glyph; |
|
|
2234 |
} |
|
|
2235 |
|
|
|
2236 |
this.renderChildren = function(ctx) { |
|
|
2237 |
var customFont = this.parent.style('font-family').getDefinition(); |
|
|
2238 |
if (customFont != null) { |
|
|
2239 |
var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); |
|
|
2240 |
var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle); |
|
|
2241 |
var text = this.getText(); |
|
|
2242 |
if (customFont.isRTL) text = text.split("").reverse().join(""); |
|
|
2243 |
|
|
|
2244 |
var dx = svg.ToNumberArray(this.parent.attribute('dx').value); |
|
|
2245 |
for (var i=0; i<text.length; i++) { |
|
|
2246 |
var glyph = this.getGlyph(customFont, text, i); |
|
|
2247 |
var scale = fontSize / customFont.fontFace.unitsPerEm; |
|
|
2248 |
ctx.translate(this.x, this.y); |
|
|
2249 |
ctx.scale(scale, -scale); |
|
|
2250 |
var lw = ctx.lineWidth; |
|
|
2251 |
ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize; |
|
|
2252 |
if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0); |
|
|
2253 |
glyph.render(ctx); |
|
|
2254 |
if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0); |
|
|
2255 |
ctx.lineWidth = lw; |
|
|
2256 |
ctx.scale(1/scale, -1/scale); |
|
|
2257 |
ctx.translate(-this.x, -this.y); |
|
|
2258 |
|
|
|
2259 |
this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm; |
|
|
2260 |
if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) { |
|
|
2261 |
this.x += dx[i]; |
|
|
2262 |
} |
|
|
2263 |
} |
|
|
2264 |
return; |
|
|
2265 |
} |
|
|
2266 |
|
|
|
2267 |
if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y); |
|
|
2268 |
if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y); |
|
|
2269 |
} |
|
|
2270 |
|
|
|
2271 |
this.getText = function() { |
|
|
2272 |
// OVERRIDE ME |
|
|
2273 |
} |
|
|
2274 |
|
|
|
2275 |
this.measureTextRecursive = function(ctx) { |
|
|
2276 |
var width = this.measureText(ctx); |
|
|
2277 |
for (var i=0; i<this.children.length; i++) { |
|
|
2278 |
width += this.children[i].measureTextRecursive(ctx); |
|
|
2279 |
} |
|
|
2280 |
return width; |
|
|
2281 |
} |
|
|
2282 |
|
|
|
2283 |
this.measureText = function(ctx) { |
|
|
2284 |
var customFont = this.parent.style('font-family').getDefinition(); |
|
|
2285 |
if (customFont != null) { |
|
|
2286 |
var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); |
|
|
2287 |
var measure = 0; |
|
|
2288 |
var text = this.getText(); |
|
|
2289 |
if (customFont.isRTL) text = text.split("").reverse().join(""); |
|
|
2290 |
var dx = svg.ToNumberArray(this.parent.attribute('dx').value); |
|
|
2291 |
for (var i=0; i<text.length; i++) { |
|
|
2292 |
var glyph = this.getGlyph(customFont, text, i); |
|
|
2293 |
measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm; |
|
|
2294 |
if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) { |
|
|
2295 |
measure += dx[i]; |
|
|
2296 |
} |
|
|
2297 |
} |
|
|
2298 |
return measure; |
|
|
2299 |
} |
|
|
2300 |
|
|
|
2301 |
var textToMeasure = svg.compressSpaces(this.getText()); |
|
|
2302 |
if (!ctx.measureText) return textToMeasure.length * 10; |
|
|
2303 |
|
|
|
2304 |
ctx.save(); |
|
|
2305 |
this.setContext(ctx); |
|
|
2306 |
var width = ctx.measureText(textToMeasure).width; |
|
|
2307 |
ctx.restore(); |
|
|
2308 |
return width; |
|
|
2309 |
} |
|
|
2310 |
} |
|
|
2311 |
svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase; |
|
|
2312 |
|
|
|
2313 |
// tspan |
|
|
2314 |
svg.Element.tspan = function(node) { |
|
|
2315 |
this.captureTextNodes = true; |
|
|
2316 |
this.base = svg.Element.TextElementBase; |
|
|
2317 |
this.base(node); |
|
|
2318 |
|
|
|
2319 |
this.text = svg.compressSpaces(node.value || node.text || node.textContent || ''); |
|
|
2320 |
this.getText = function() { |
|
|
2321 |
// if this node has children, then they own the text |
|
|
2322 |
if (this.children.length > 0) { return ''; } |
|
|
2323 |
return this.text; |
|
|
2324 |
} |
|
|
2325 |
} |
|
|
2326 |
svg.Element.tspan.prototype = new svg.Element.TextElementBase; |
|
|
2327 |
|
|
|
2328 |
// tref |
|
|
2329 |
svg.Element.tref = function(node) { |
|
|
2330 |
this.base = svg.Element.TextElementBase; |
|
|
2331 |
this.base(node); |
|
|
2332 |
|
|
|
2333 |
this.getText = function() { |
|
|
2334 |
var element = this.getHrefAttribute().getDefinition(); |
|
|
2335 |
if (element != null) return element.children[0].getText(); |
|
|
2336 |
} |
|
|
2337 |
} |
|
|
2338 |
svg.Element.tref.prototype = new svg.Element.TextElementBase; |
|
|
2339 |
|
|
|
2340 |
// a element |
|
|
2341 |
svg.Element.a = function(node) { |
|
|
2342 |
this.base = svg.Element.TextElementBase; |
|
|
2343 |
this.base(node); |
|
|
2344 |
|
|
|
2345 |
this.hasText = node.childNodes.length > 0; |
|
|
2346 |
for (var i=0; i<node.childNodes.length; i++) { |
|
|
2347 |
if (node.childNodes[i].nodeType != 3) this.hasText = false; |
|
|
2348 |
} |
|
|
2349 |
|
|
|
2350 |
// this might contain text |
|
|
2351 |
this.text = this.hasText ? node.childNodes[0].value : ''; |
|
|
2352 |
this.getText = function() { |
|
|
2353 |
return this.text; |
|
|
2354 |
} |
|
|
2355 |
|
|
|
2356 |
this.baseRenderChildren = this.renderChildren; |
|
|
2357 |
this.renderChildren = function(ctx) { |
|
|
2358 |
if (this.hasText) { |
|
|
2359 |
// render as text element |
|
|
2360 |
this.baseRenderChildren(ctx); |
|
|
2361 |
var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); |
|
|
2362 |
svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y)); |
|
|
2363 |
} |
|
|
2364 |
else if (this.children.length > 0) { |
|
|
2365 |
// render as temporary group |
|
|
2366 |
var g = new svg.Element.g(); |
|
|
2367 |
g.children = this.children; |
|
|
2368 |
g.parent = this; |
|
|
2369 |
g.render(ctx); |
|
|
2370 |
} |
|
|
2371 |
} |
|
|
2372 |
|
|
|
2373 |
this.onclick = function() { |
|
|
2374 |
window.open(this.getHrefAttribute().value); |
|
|
2375 |
} |
|
|
2376 |
|
|
|
2377 |
this.onmousemove = function() { |
|
|
2378 |
svg.ctx.canvas.style.cursor = 'pointer'; |
|
|
2379 |
} |
|
|
2380 |
} |
|
|
2381 |
svg.Element.a.prototype = new svg.Element.TextElementBase; |
|
|
2382 |
|
|
|
2383 |
// image element |
|
|
2384 |
svg.Element.image = function(node) { |
|
|
2385 |
this.base = svg.Element.RenderedElementBase; |
|
|
2386 |
this.base(node); |
|
|
2387 |
|
|
|
2388 |
var href = this.getHrefAttribute().value; |
|
|
2389 |
if (href == '') { return; } |
|
|
2390 |
var isSvg = href.match(/\.svg$/) |
|
|
2391 |
|
|
|
2392 |
svg.Images.push(this); |
|
|
2393 |
this.loaded = false; |
|
|
2394 |
if (!isSvg) { |
|
|
2395 |
this.img = document.createElement('img'); |
|
|
2396 |
if (svg.opts['useCORS'] == true) { this.img.crossOrigin = 'Anonymous'; } |
|
|
2397 |
var self = this; |
|
|
2398 |
this.img.onload = function() { self.loaded = true; } |
|
|
2399 |
this.img.onerror = function() { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; } |
|
|
2400 |
this.img.src = href; |
|
|
2401 |
} |
|
|
2402 |
else { |
|
|
2403 |
this.img = svg.ajax(href); |
|
|
2404 |
this.loaded = true; |
|
|
2405 |
} |
|
|
2406 |
|
|
|
2407 |
this.renderChildren = function(ctx) { |
|
|
2408 |
var x = this.attribute('x').toPixels('x'); |
|
|
2409 |
var y = this.attribute('y').toPixels('y'); |
|
|
2410 |
|
|
|
2411 |
var width = this.attribute('width').toPixels('x'); |
|
|
2412 |
var height = this.attribute('height').toPixels('y'); |
|
|
2413 |
if (width == 0 || height == 0) return; |
|
|
2414 |
|
|
|
2415 |
ctx.save(); |
|
|
2416 |
if (isSvg) { |
|
|
2417 |
ctx.drawSvg(this.img, x, y, width, height); |
|
|
2418 |
} |
|
|
2419 |
else { |
|
|
2420 |
ctx.translate(x, y); |
|
|
2421 |
svg.AspectRatio(ctx, |
|
|
2422 |
this.attribute('preserveAspectRatio').value, |
|
|
2423 |
width, |
|
|
2424 |
this.img.width, |
|
|
2425 |
height, |
|
|
2426 |
this.img.height, |
|
|
2427 |
0, |
|
|
2428 |
0); |
|
|
2429 |
ctx.drawImage(this.img, 0, 0); |
|
|
2430 |
} |
|
|
2431 |
ctx.restore(); |
|
|
2432 |
} |
|
|
2433 |
|
|
|
2434 |
this.getBoundingBox = function() { |
|
|
2435 |
var x = this.attribute('x').toPixels('x'); |
|
|
2436 |
var y = this.attribute('y').toPixels('y'); |
|
|
2437 |
var width = this.attribute('width').toPixels('x'); |
|
|
2438 |
var height = this.attribute('height').toPixels('y'); |
|
|
2439 |
return new svg.BoundingBox(x, y, x + width, y + height); |
|
|
2440 |
} |
|
|
2441 |
} |
|
|
2442 |
svg.Element.image.prototype = new svg.Element.RenderedElementBase; |
|
|
2443 |
|
|
|
2444 |
// group element |
|
|
2445 |
svg.Element.g = function(node) { |
|
|
2446 |
this.base = svg.Element.RenderedElementBase; |
|
|
2447 |
this.base(node); |
|
|
2448 |
|
|
|
2449 |
this.getBoundingBox = function() { |
|
|
2450 |
var bb = new svg.BoundingBox(); |
|
|
2451 |
for (var i=0; i<this.children.length; i++) { |
|
|
2452 |
bb.addBoundingBox(this.children[i].getBoundingBox()); |
|
|
2453 |
} |
|
|
2454 |
return bb; |
|
|
2455 |
}; |
|
|
2456 |
} |
|
|
2457 |
svg.Element.g.prototype = new svg.Element.RenderedElementBase; |
|
|
2458 |
|
|
|
2459 |
// symbol element |
|
|
2460 |
svg.Element.symbol = function(node) { |
|
|
2461 |
this.base = svg.Element.RenderedElementBase; |
|
|
2462 |
this.base(node); |
|
|
2463 |
|
|
|
2464 |
this.render = function(ctx) { |
|
|
2465 |
// NO RENDER |
|
|
2466 |
}; |
|
|
2467 |
} |
|
|
2468 |
svg.Element.symbol.prototype = new svg.Element.RenderedElementBase; |
|
|
2469 |
|
|
|
2470 |
// style element |
|
|
2471 |
svg.Element.style = function(node) { |
|
|
2472 |
this.base = svg.Element.ElementBase; |
|
|
2473 |
this.base(node); |
|
|
2474 |
|
|
|
2475 |
// text, or spaces then CDATA |
|
|
2476 |
var css = '' |
|
|
2477 |
for (var i=0; i<node.childNodes.length; i++) { |
|
|
2478 |
css += node.childNodes[i].data; |
|
|
2479 |
} |
|
|
2480 |
css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments |
|
|
2481 |
css = svg.compressSpaces(css); // replace whitespace |
|
|
2482 |
var cssDefs = css.split('}'); |
|
|
2483 |
for (var i=0; i<cssDefs.length; i++) { |
|
|
2484 |
if (svg.trim(cssDefs[i]) != '') { |
|
|
2485 |
var cssDef = cssDefs[i].split('{'); |
|
|
2486 |
var cssClasses = cssDef[0].split(','); |
|
|
2487 |
var cssProps = cssDef[1].split(';'); |
|
|
2488 |
for (var j=0; j<cssClasses.length; j++) { |
|
|
2489 |
var cssClass = svg.trim(cssClasses[j]); |
|
|
2490 |
if (cssClass != '') { |
|
|
2491 |
var props = svg.Styles[cssClass] || {}; |
|
|
2492 |
for (var k=0; k<cssProps.length; k++) { |
|
|
2493 |
var prop = cssProps[k].indexOf(':'); |
|
|
2494 |
var name = cssProps[k].substr(0, prop); |
|
|
2495 |
var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop); |
|
|
2496 |
if (name != null && value != null) { |
|
|
2497 |
props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value)); |
|
|
2498 |
} |
|
|
2499 |
} |
|
|
2500 |
svg.Styles[cssClass] = props; |
|
|
2501 |
svg.StylesSpecificity[cssClass] = getSelectorSpecificity(cssClass); |
|
|
2502 |
if (cssClass == '@font-face') { |
|
|
2503 |
var fontFamily = props['font-family'].value.replace(/"/g,''); |
|
|
2504 |
var srcs = props['src'].value.split(','); |
|
|
2505 |
for (var s=0; s |
|
|
2506 |
0) { |
|
|
2507 |
|
|
|
2508 |
|
|
|
2509 |
|
|
|
2510 |
|
|
|
2511 |
|
|
|
2512 |
|
|
|
2513 |
|
|
|
2514 |
|
|
|
2515 |
|
|
|
2516 |
|
|
|
2517 |
|
|
|
2518 |
|
|
|
2519 |
|
|
|
2520 |
|
|
|
2521 |
|
|
|
2522 |
|
|
|
2523 |
|
|
|
2524 |
|
|
|
2525 |
|
|
|
2526 |
/ use element |
|
|
2527 |
svg.Element.use = function(node) { |
|
|
2528 |
this.base = svg.Element.RenderedElementBase; |
|
|
2529 |
this.base(node); |
|
|
2530 |
|
|
|
2531 |
this.baseSetContext = this.setContext; |
|
|
2532 |
this.setContext = function(ctx) { |
|
|
2533 |
this.baseSetContext(ctx); |
|
|
2534 |
if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0); |
|
|
2535 |
if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y')); |
|
|
2536 |
} |
|
|
2537 |
|
|
|
2538 |
var element = this.getHrefAttribute().getDefinition(); |
|
|
2539 |
|
|
|
2540 |
this.path = function(ctx) { |
|
|
2541 |
if (element != null) element.path(ctx); |
|
|
2542 |
} |
|
|
2543 |
|
|
|
2544 |
this.getBoundingBox = function() { |
|
|
2545 |
if (element != null) return element.getBoundingBox(); |
|
|
2546 |
} |
|
|
2547 |
|
|
|
2548 |
this.renderChildren = function(ctx) { |
|
|
2549 |
if (element != null) { |
|
|
2550 |
var tempSvg = element; |
|
|
2551 |
if (element.type == 'symbol') { |
|
|
2552 |
// render me using a temporary svg element in symbol cases (http://www.w3.org/TR/SVG/struct.html#UseElement) |
|
|
2553 |
new svg.Element.svg(); |
|
|
2554 |
'svg'; |
|
|
2555 |
'viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value); |
|
|
2556 |
'preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value); |
|
|
2557 |
'overflow'] = new svg.Property('overflow', element.attribute('overflow').value); |
|
|
2558 |
|
|
|
2559 |
|
|
|
2560 |
if (tempSvg.type == 'svg') { |
|
|
2561 |
// if symbol or svg, inherit width/height from me |
|
|
2562 |
if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value); |
|
|
2563 |
if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value); |
|
|
2564 |
|
|
|
2565 |
var oldParent = tempSvg.parent; |
|
|
2566 |
null; |
|
|
2567 |
|
|
|
2568 |
|
|
|
2569 |
|
|
|
2570 |
|
|
|
2571 |
|
|
|
2572 |
new svg.Element.RenderedElementBase; |
|
|
2573 |
|
|
|
2574 |
// mask element |
|
|
2575 |
svg.Element.mask = function(node) { |
|
|
2576 |
this.base = svg.Element.ElementBase; |
|
|
2577 |
this.base(node); |
|
|
2578 |
|
|
|
2579 |
this.apply = function(ctx, element) { |
|
|
2580 |
// render as temp svg |
|
|
2581 |
var x = this.attribute('x').toPixels('x'); |
|
|
2582 |
var y = this.attribute('y').toPixels('y'); |
|
|
2583 |
var width = this.attribute('width').toPixels('x'); |
|
|
2584 |
var height = this.attribute('height').toPixels('y'); |
|
|
2585 |
|
|
|
2586 |
if (width == 0 && height == 0) { |
|
|
2587 |
var bb = new svg.BoundingBox(); |
|
|
2588 |
for (var i=0; i<this.children.length; i++) { |
|
|
2589 |
this.children[i].getBoundingBox()); |
|
|
2590 |
|
|
|
2591 |
var x = Math.floor(bb.x1); |
|
|
2592 |
var y = Math.floor(bb.y1); |
|
|
2593 |
var width = Math.floor(bb.width()); |
|
|
2594 |
var height = Math.floor(bb.height()); |
|
|
2595 |
|
|
|
2596 |
|
|
|
2597 |
// temporarily remove mask to avoid recursion |
|
|
2598 |
var mask = element.attribute('mask').value; |
|
|
2599 |
'mask').value = ''; |
|
|
2600 |
|
|
|
2601 |
var cMask = document.createElement('canvas'); |
|
|
2602 |
|
|
|
2603 |
|
|
|
2604 |
var maskCtx = cMask.getContext('2d'); |
|
|
2605 |
this.renderChildren(maskCtx); |
|
|
2606 |
|
|
|
2607 |
var c = document.createElement('canvas'); |
|
|
2608 |
|
|
|
2609 |
|
|
|
2610 |
var tempCtx = c.getContext('2d'); |
|
|
2611 |
|
|
|
2612 |
'destination-in'; |
|
|
2613 |
'no-repeat'); |
|
|
2614 |
|
|
|
2615 |
|
|
|
2616 |
'no-repeat'); |
|
|
2617 |
|
|
|
2618 |
|
|
|
2619 |
// reassign mask |
|
|
2620 |
element.attribute('mask').value = mask; |
|
|
2621 |
|
|
|
2622 |
|
|
|
2623 |
this.render = function(ctx) { |
|
|
2624 |
// NO RENDER |
|
|
2625 |
} |
|
|
2626 |
|
|
|
2627 |
new svg.Element.ElementBase; |
|
|
2628 |
|
|
|
2629 |
// clip element |
|
|
2630 |
svg.Element.clipPath = function(node) { |
|
|
2631 |
this.base = svg.Element.ElementBase; |
|
|
2632 |
this.base(node); |
|
|
2633 |
|
|
|
2634 |
this.apply = function(ctx) { |
|
|
2635 |
var oldBeginPath = CanvasRenderingContext2D.prototype.beginPath; |
|
|
2636 |
function () { }; |
|
|
2637 |
|
|
|
2638 |
var oldClosePath = CanvasRenderingContext2D.prototype.closePath; |
|
|
2639 |
function () { }; |
|
|
2640 |
|
|
|
2641 |
|
|
|
2642 |
for (var i=0; i<this.children.length; i++) { |
|
|
2643 |
var child = this.children[i]; |
|
|
2644 |
if (typeof(child.path) != 'undefined') { |
|
|
2645 |
var transform = null; |
|
|
2646 |
if (child.style('transform', false, true).hasValue()) { |
|
|
2647 |
new svg.Transform(child.style('transform', false, true).value); |
|
|
2648 |
|
|
|
2649 |
|
|
|
2650 |
|
|
|
2651 |
|
|
|
2652 |
if (transform) { transform.unapply(ctx); } |
|
|
2653 |
|
|
|
2654 |
|
|
|
2655 |
|
|
|
2656 |
|
|
|
2657 |
|
|
|
2658 |
|
|
|
2659 |
|
|
|
2660 |
|
|
|
2661 |
|
|
|
2662 |
this.render = function(ctx) { |
|
|
2663 |
// NO RENDER |
|
|
2664 |
} |
|
|
2665 |
|
|
|
2666 |
new svg.Element.ElementBase; |
|
|
2667 |
|
|
|
2668 |
// filters |
|
|
2669 |
svg.Element.filter = function(node) { |
|
|
2670 |
this.base = svg.Element.ElementBase; |
|
|
2671 |
this.base(node); |
|
|
2672 |
|
|
|
2673 |
this.apply = function(ctx, element) { |
|
|
2674 |
// render as temp svg |
|
|
2675 |
var bb = element.getBoundingBox(); |
|
|
2676 |
var x = Math.floor(bb.x1); |
|
|
2677 |
var y = Math.floor(bb.y1); |
|
|
2678 |
var width = Math.floor(bb.width()); |
|
|
2679 |
var height = Math.floor(bb.height()); |
|
|
2680 |
|
|
|
2681 |
// temporarily remove filter to avoid recursion |
|
|
2682 |
var filter = element.style('filter').value; |
|
|
2683 |
'filter').value = ''; |
|
|
2684 |
|
|
|
2685 |
var px = 0, py = 0; |
|
|
2686 |
for (var i=0; i<this.children.length; i++) { |
|
|
2687 |
var efd = this.children[i].extraFilterDistance || 0; |
|
|
2688 |
Math.max(px, efd); |
|
|
2689 |
Math.max(py, efd); |
|
|
2690 |
|
|
|
2691 |
|
|
|
2692 |
var c = document.createElement('canvas'); |
|
|
2693 |
|
|
|
2694 |
|
|
|
2695 |
var tempCtx = c.getContext('2d'); |
|
|
2696 |
|
|
|
2697 |
|
|
|
2698 |
|
|
|
2699 |
// apply filters |
|
|
2700 |
for (var i=0; i<this.children.length; i++) { |
|
|
2701 |
if (typeof(this.children[i].apply) === 'function') { |
|
|
2702 |
this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py); |
|
|
2703 |
|
|
|
2704 |
|
|
|
2705 |
|
|
|
2706 |
// render on me |
|
|
2707 |
ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py); |
|
|
2708 |
|
|
|
2709 |
// reassign filter |
|
|
2710 |
element.style('filter', true).value = filter; |
|
|
2711 |
|
|
|
2712 |
|
|
|
2713 |
this.render = function(ctx) { |
|
|
2714 |
// NO RENDER |
|
|
2715 |
} |
|
|
2716 |
|
|
|
2717 |
new svg.Element.ElementBase; |
|
|
2718 |
|
|
|
2719 |
function(node) { |
|
|
2720 |
this.base = svg.Element.ElementBase; |
|
|
2721 |
this.base(node); |
|
|
2722 |
|
|
|
2723 |
this.apply = function(ctx, x, y, width, height) { |
|
|
2724 |
// TODO: implement |
|
|
2725 |
} |
|
|
2726 |
|
|
|
2727 |
new svg.Element.ElementBase; |
|
|
2728 |
|
|
|
2729 |
function(node) { |
|
|
2730 |
this.base = svg.Element.ElementBase; |
|
|
2731 |
this.base(node); |
|
|
2732 |
|
|
|
2733 |
this.apply = function(ctx, x, y, width, height) { |
|
|
2734 |
// TODO: implement |
|
|
2735 |
} |
|
|
2736 |
|
|
|
2737 |
new svg.Element.ElementBase; |
|
|
2738 |
|
|
|
2739 |
function(node) { |
|
|
2740 |
this.base = svg.Element.ElementBase; |
|
|
2741 |
this.base(node); |
|
|
2742 |
|
|
|
2743 |
var matrix = svg.ToNumberArray(this.attribute('values').value); |
|
|
2744 |
switch (this.attribute('type').valueOrDefault('matrix')) { // http://www.w3.org/TR/SVG/filters.html#feColorMatrixElement |
|
|
2745 |
case 'saturate': |
|
|
2746 |
var s = matrix[0]; |
|
|
2747 |
|
|
|
2748 |
|
|
|
2749 |
|
|
|
2750 |
|
|
|
2751 |
|
|
|
2752 |
break; |
|
|
2753 |
case 'hueRotate': |
|
|
2754 |
var a = matrix[0] * Math.PI / 180.0; |
|
|
2755 |
var c = function (m1,m2,m3) { return m1 + Math.cos(a)*m2 + Math.sin(a)*m3; }; |
|
|
2756 |
matrix = [c(0.213,0.787,-0.213),c(0.715,-0.715,-0.715),c(0.072,-0.072,0.928),0,0, |
|
|
2757 |
c(0.213,-0.213,0.143),c(0.715,0.285,0.140),c(0.072,-0.072,-0.283),0,0, |
|
|
2758 |
c(0.213,-0.213,-0.787),c(0.715,-0.715,0.715),c(0.072,0.928,0.072),0,0, |
|
|
2759 |
0,0,0,1,0, |
|
|
2760 |
0,0,0,0,1]; |
|
|
2761 |
break; |
|
|
2762 |
case 'luminanceToAlpha': |
|
|
2763 |
matrix = [0,0,0,0,0, |
|
|
2764 |
0,0,0,0,0, |
|
|
2765 |
0,0,0,0,0, |
|
|
2766 |
0.2125,0.7154,0.0721,0,0, |
|
|
2767 |
0,0,0,0,1]; |
|
|
2768 |
break; |
|
|
2769 |
} |
|
|
2770 |
|
|
|
2771 |
function imGet(img, x, y, width, height, rgba) { |
|
|
2772 |
return img[y*width*4 + x*4 + rgba]; |
|
|
2773 |
} |
|
|
2774 |
|
|
|
2775 |
function imSet(img, x, y, width, height, rgba, val) { |
|
|
2776 |
img[y*width*4 + x*4 + rgba] = val; |
|
|
2777 |
} |
|
|
2778 |
|
|
|
2779 |
function m(i, v) { |
|
|
2780 |
var mi = matrix[i]; |
|
|
2781 |
return mi * (mi < 0 ? v - 255 : v);> |
|
|
2782 |
< 0 ? v - 255 : v); }> |
|
|
2783 |
|
|
|
2784 |
< 0 ? v - 255 : v); this.apply = function(ctx, x, y, width, height) {> |
|
|
2785 |
< 0 ? v - 255 : v); // assuming x==0 && y==0 for now> |
|
|
2786 |
var srcData = ctx.getImageData(0, 0, width, height);> |
|
|
2787 |
for (var y = 0; y < height; y++) {>> |
|
|
2788 |
< height; y++) { for (var x = 0; x < width; x++) {>>> |
|
|
2789 |
< height; y++) {< width; x++) { var r = imGet(srcData.data, x, y, width, height, 0);>>> |
|
|
2790 |
< height; y++) {< width; x++) { var g = imGet(srcData.data, x, y, width, height, 1);>>> |
|
|
2791 |
< height; y++) {< width; x++) { var b = imGet(srcData.data, x, y, width, height, 2);>>> |
|
|
2792 |
< height; y++) {< width; x++) { var a = imGet(srcData.data, x, y, width, height, 3);>>> |
|
|
2793 |
< height; y++) {< width; x++) { imSet(srcData.data, x, y, width, height, 0, m(0,r)+m(1,g)+m(2,b)+m(3,a)+m(4,1));>>> |
|
|
2794 |
< height; y++) {< width; x++) { imSet(srcData.data, x, y, width, height, 1, m(5,r)+m(6,g)+m(7,b)+m(8,a)+m(9,1));>>> |
|
|
2795 |
< height; y++) {< width; x++) { imSet(srcData.data, x, y, width, height, 2, m(10,r)+m(11,g)+m(12,b)+m(13,a)+m(14,1));>>> |
|
|
2796 |
< height; y++) {< width; x++) { imSet(srcData.data, x, y, width, height, 3, m(15,r)+m(16,g)+m(17,b)+m(18,a)+m(19,1));>>> |
|
|
2797 |
< height; y++) {< width; x++) { }>>> |
|
|
2798 |
< height; y++) {< width; x++) { }>>> |
|
|
2799 |
< height; y++) {< width; x++) { ctx.clearRect(0, 0, width, height);>>> |
|
|
2800 |
< height; y++) {< width; x++) { ctx.putImageData(srcData, 0, 0);>>> |
|
|
2801 |
< height; y++) {< width; x++) { }>>> |
|
|
2802 |
< height; y++) {< width; x++) { }>>> |
|
|
2803 |
< height; y++) {< width; x++) { svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase;>>> |
|
|
2804 |
|
|
|
2805 |
< height; y++) {< width; x++) { svg.Element.feGaussianBlur = function(node) {>>> |
|
|
2806 |
< height; y++) {< width; x++) { this.base = svg.Element.ElementBase;>>> |
|
|
2807 |
< height; y++) {< width; x++) { this.base(node);>>> |
|
|
2808 |
|
|
|
2809 |
< height; y++) {< width; x++) { this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue());>>> |
|
|
2810 |
< height; y++) {< width; x++) { this.extraFilterDistance = this.blurRadius;>>> |
|
|
2811 |
|
|
|
2812 |
< height; y++) {< width; x++) { this.apply = function(ctx, x, y, width, height) {>>> |
|
|
2813 |
< height; y++) {< width; x++) { if (typeof(stackBlur.canvasRGBA) == 'undefined') {>>> |
|
|
2814 |
< height; y++) {< width; x++) { svg.log('ERROR: StackBlur.js must be included for blur to work');>>> |
|
|
2815 |
< height; y++) {< width; x++) { return;>>> |
|
|
2816 |
< height; y++) {< width; x++) { }>>> |
|
|
2817 |
|
|
|
2818 |
< height; y++) {< width; x++) { // StackBlur requires canvas be on document>>> |
|
|
2819 |
ctx.canvas.id = svg.UniqueId();>>> |
|
|
2820 |
ctx.canvas.style.display = 'none';>>> |
|
|
2821 |
document.body.appendChild(ctx.canvas);>>> |
|
|
2822 |
stackBlur.canvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius);>>> |
|
|
2823 |
document.body.removeChild(ctx.canvas);>>> |
|
|
2824 |
}>>> |
|
|
2825 |
}>>> |
|
|
2826 |
svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase;>>> |
|
|
2827 |
|
|
|
2828 |
// title element, do nothing>>> |
|
|
2829 |
svg.Element.title = function(node) {>>> |
|
|
2830 |
}>>> |
|
|
2831 |
svg.Element.title.prototype = new svg.Element.ElementBase;>>> |
|
|
2832 |
|
|
|
2833 |
// desc element, do nothing>>> |
|
|
2834 |
svg.Element.desc = function(node) {>>> |
|
|
2835 |
}>>> |
|
|
2836 |
svg.Element.desc.prototype = new svg.Element.ElementBase;>>> |
|
|
2837 |
|
|
|
2838 |
svg.Element.MISSING = function(node) {>>> |
|
|
2839 |
svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');>>> |
|
|
2840 |
}>>> |
|
|
2841 |
svg.Element.MISSING.prototype = new svg.Element.ElementBase;>>> |
|
|
2842 |
|
|
|
2843 |
// element factory>>> |
|
|
2844 |
svg.CreateElement = function(node) {>>> |
|
|
2845 |
var className = node.nodeName.replace(/^[^:]+:/,''); // remove namespace>>> |
|
|
2846 |
className = className.replace(/\-/g,''); // remove dashes>>> |
|
|
2847 |
var e = null;>>> |
|
|
2848 |
if (typeof(svg.Element[className]) != 'undefined') {>>> |
|
|
2849 |
e = new svg.Element[className](node);>>> |
|
|
2850 |
}>>> |
|
|
2851 |
else {>>> |
|
|
2852 |
e = new svg.Element.MISSING(node);>>> |
|
|
2853 |
}>>> |
|
|
2854 |
|
|
|
2855 |
e.type = node.nodeName;>>> |
|
|
2856 |
return e;>>> |
|
|
2857 |
}>>> |
|
|
2858 |
|
|
|
2859 |
// load from url>>> |
|
|
2860 |
svg.load = function(ctx, url) {>>> |
|
|
2861 |
svg.loadXml(ctx, svg.ajax(url));>>> |
|
|
2862 |
}>>> |
|
|
2863 |
|
|
|
2864 |
// load from xml>>> |
|
|
2865 |
svg.loadXml = function(ctx, xml) {>>> |
|
|
2866 |
svg.loadXmlDoc(ctx, svg.parseXml(xml));>>> |
|
|
2867 |
}>>> |
|
|
2868 |
|
|
|
2869 |
svg.loadXmlDoc = function(ctx, dom) {>>> |
|
|
2870 |
svg.init(ctx);>>> |
|
|
2871 |
|
|
|
2872 |
var mapXY = function(p) {>>> |
|
|
2873 |
var e = ctx.canvas;>>> |
|
|
2874 |
while (e) {>>> |
|
|
2875 |
p.x -= e.offsetLeft;>>> |
|
|
2876 |
p.y -= e.offsetTop;>>> |
|
|
2877 |
e = e.offsetParent;>>> |
|
|
2878 |
}>>> |
|
|
2879 |
if (window.scrollX) p.x += window.scrollX;>>> |
|
|
2880 |
if (window.scrollY) p.y += window.scrollY;>>> |
|
|
2881 |
return p;>>> |
|
|
2882 |
}>>> |
|
|
2883 |
|
|
|
2884 |
// bind mouse>>> |
|
|
2885 |
if (svg.opts['ignoreMouse'] != true) {>>> |
|
|
2886 |
ctx.canvas.onclick = function(e) {>>> |
|
|
2887 |
var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));>>> |
|
|
2888 |
svg.Mouse.onclick(p.x, p.y);>>> |
|
|
2889 |
};>>> |
|
|
2890 |
ctx.canvas.onmousemove = function(e) {>>> |
|
|
2891 |
var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));>>> |
|
|
2892 |
svg.Mouse.onmousemove(p.x, p.y);>>> |
|
|
2893 |
};>>> |
|
|
2894 |
}>>> |
|
|
2895 |
|
|
|
2896 |
var e = svg.CreateElement(dom.documentElement);>>> |
|
|
2897 |
e.root = true;>>> |
|
|
2898 |
e.addStylesFromStyleDefinition();>>> |
|
|
2899 |
|
|
|
2900 |
// render loop>>> |
|
|
2901 |
var isFirstRender = true;>>> |
|
|
2902 |
var draw = function() {>>> |
|
|
2903 |
svg.ViewPort.Clear();>>> |
|
|
2904 |
if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);>>> |
|
|
2905 |
|
|
|
2906 |
if (svg.opts['ignoreDimensions'] != true) {>>> |
|
|
2907 |
// set canvas size>>> |
|
|
2908 |
if (e.style('width').hasValue()) {>>> |
|
|
2909 |
ctx.canvas.width = e.style('width').toPixels('x');>>> |
|
|
2910 |
ctx.canvas.style.width = ctx.canvas.width + 'px';>>> |
|
|
2911 |
}>>> |
|
|
2912 |
if (e.style('height').hasValue()) {>>> |
|
|
2913 |
ctx.canvas.height = e.style('height').toPixels('y');>>> |
|
|
2914 |
ctx.canvas.style.height = ctx.canvas.height + 'px';>>> |
|
|
2915 |
}>>> |
|
|
2916 |
}>>> |
|
|
2917 |
var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;>>> |
|
|
2918 |
var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;>>> |
|
|
2919 |
if (svg.opts['ignoreDimensions'] == true && e.style('width').hasValue() && e.style('height').hasValue()) {>>> |
|
|
2920 |
cWidth = e.style('width').toPixels('x');>>> |
|
|
2921 |
cHeight = e.style('height').toPixels('y');>>> |
|
|
2922 |
}>>> |
|
|
2923 |
svg.ViewPort.SetCurrent(cWidth, cHeight);>>> |
|
|
2924 |
|
|
|
2925 |
if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];>>> |
|
|
2926 |
if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];>>> |
|
|
2927 |
if (svg.opts['scaleWidth'] != null || svg.opts['scaleHeight'] != null) {>>> |
|
|
2928 |
var xRatio = null, yRatio = null, viewBox = svg.ToNumberArray(e.attribute('viewBox').value);>>> |
|
|
2929 |
|
|
|
2930 |
if (svg.opts['scaleWidth'] != null) {>>> |
|
|
2931 |
if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth'];>>> |
|
|
2932 |
else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth'];>>> |
|
|
2933 |
}>>> |
|
|
2934 |
|
|
|
2935 |
if (svg.opts['scaleHeight'] != null) {>>> |
|
|
2936 |
if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight'];>>> |
|
|
2937 |
else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight'];>>> |
|
|
2938 |
}>>> |
|
|
2939 |
|
|
|
2940 |
if (xRatio == null) { xRatio = yRatio; }>>> |
|
|
2941 |
if (yRatio == null) { yRatio = xRatio; }>>> |
|
|
2942 |
|
|
|
2943 |
e.attribute('width', true).value = svg.opts['scaleWidth'];>>> |
|
|
2944 |
e.attribute('height', true).value = svg.opts['scaleHeight'];>>> |
|
|
2945 |
e.style('transform', true, true).value += ' scale('+(1.0/xRatio)+','+(1.0/yRatio)+')';>>> |
|
|
2946 |
}>>> |
|
|
2947 |
|
|
|
2948 |
// clear and render>>> |
|
|
2949 |
if (svg.opts['ignoreClear'] != true) {>>> |
|
|
2950 |
ctx.clearRect(0, 0, cWidth, cHeight);>>> |
|
|
2951 |
}>>> |
|
|
2952 |
e.render(ctx);>>> |
|
|
2953 |
if (isFirstRender) {>>> |
|
|
2954 |
isFirstRender = false;>>> |
|
|
2955 |
if (typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback'](dom);>>> |
|
|
2956 |
}>>> |
|
|
2957 |
}>>> |
|
|
2958 |
|
|
|
2959 |
var waitingForImages = true;>>> |
|
|
2960 |
if (svg.ImagesLoaded()) {>>> |
|
|
2961 |
waitingForImages = false;>>> |
|
|
2962 |
draw();>>> |
|
|
2963 |
}>>> |
|
|
2964 |
svg.intervalID = setInterval(function() {>>> |
|
|
2965 |
var needUpdate = false;>>> |
|
|
2966 |
|
|
|
2967 |
if (waitingForImages && svg.ImagesLoaded()) {>>> |
|
|
2968 |
waitingForImages = false;>>> |
|
|
2969 |
needUpdate = true;>>> |
|
|
2970 |
}>>> |
|
|
2971 |
|
|
|
2972 |
// need update from mouse events?>>> |
|
|
2973 |
if (svg.opts['ignoreMouse'] != true) {>>> |
|
|
2974 |
needUpdate = needUpdate | svg.Mouse.hasEvents();>>> |
|
|
2975 |
}>>> |
|
|
2976 |
|
|
|
2977 |
// need update from animations?>>> |
|
|
2978 |
if (svg.opts['ignoreAnimation'] != true) {>>> |
|
|
2979 |
for (var i=0; i>>> |
|
|
2980 |
svg.FRAMERATE);>>> |
|
|
2981 |
>>> |
|
|
2982 |
>>> |
|
|
2983 |
|
|
|
2984 |
// need update from redraw?>>> |
|
|
2985 |
if (typeof(svg.opts['forceRedraw']) == 'function') {>>> |
|
|
2986 |
if (svg.opts['forceRedraw']() == true) needUpdate = true;>>> |
|
|
2987 |
>>> |
|
|
2988 |
|
|
|
2989 |
// render if needed>>> |
|
|
2990 |
if (needUpdate) {>>> |
|
|
2991 |
>>> |
|
|
2992 |
// run and clear our events>>> |
|
|
2993 |
}>>> |
|
|
2994 |
/ svg.FRAMERATE);>>> |
|
|
2995 |
}>>> |
|
|
2996 |
|
|
|
2997 |
svg.stop = function() {>>> |
|
|
2998 |
if (svg.intervalID) {>>> |
|
|
2999 |
clearInterval(svg.intervalID);>>> |
|
|
3000 |
}>>> |
|
|
3001 |
}>>> |
|
|
3002 |
|
|
|
3003 |
svg.Mouse = new (function() {>>> |
|
|
3004 |
this.events = [];>>> |
|
|
3005 |
this.hasEvents = function() { return this.events.length != 0; }>>> |
|
|
3006 |
|
|
|
3007 |
this.onclick = function(x, y) {>>> |
|
|
3008 |
this.events.push({ type: 'onclick', x: x, y: y,>>> |
|
|
3009 |
run: function(e) { if (e.onclick) e.onclick(); }>>> |
|
|
3010 |
});>>> |
|
|
3011 |
}>>> |
|
|
3012 |
|
|
|
3013 |
this.onmousemove = function(x, y) {>>> |
|
|
3014 |
this.events.push({ type: 'onmousemove', x: x, y: y,>>> |
|
|
3015 |
run: function(e) { if (e.onmousemove) e.onmousemove(); }>>> |
|
|
3016 |
});>>> |
|
|
3017 |
}>>> |
|
|
3018 |
|
|
|
3019 |
this.eventElements = [];>>> |
|
|
3020 |
|
|
|
3021 |
this.checkPath = function(element, ctx) {>>> |
|
|
3022 |
for (var i=0; i>>> |
|
|
3023 |
>>> |
|
|
3024 |
>>> |
|
|
3025 |
>>> |
|
|
3026 |
>>> |
|
|
3027 |
|
|
|
3028 |
>>> |
|
|
3029 |
>>> |
|
|
3030 |
>>> |
|
|
3031 |
>>> |
|
|
3032 |
>>> |
|
|
3033 |
>>> |
|
|
3034 |
|
|
|
3035 |
>>> |
|
|
3036 |
>>> |
|
|
3037 |
|
|
|
3038 |
>>> |
|
|
3039 |
>>> |
|
|
3040 |
>>> |
|
|
3041 |
>>> |
|
|
3042 |
>>> |
|
|
3043 |
>>> |
|
|
3044 |
>>> |
|
|
3045 |
>>> |
|
|
3046 |
|
|
|
3047 |
/ done running, clear>>> |
|
|
3048 |
this.events = [];>>> |
|
|
3049 |
this.eventElements = [];>>> |
|
|
3050 |
}>>> |
|
|
3051 |
});>>> |
|
|
3052 |
|
|
|
3053 |
return svg;>>> |
|
|
3054 |
};>>> |
|
|
3055 |
|
|
|
3056 |
if (typeof(CanvasRenderingContext2D) != 'undefined') {>>> |
|
|
3057 |
CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {>>> |
|
|
3058 |
canvg(this.canvas, s, {>>> |
|
|
3059 |
ignoreMouse: true,>>> |
|
|
3060 |
ignoreAnimation: true,>>> |
|
|
3061 |
ignoreDimensions: true,>>> |
|
|
3062 |
ignoreClear: true,>>> |
|
|
3063 |
offsetX: dx,>>> |
|
|
3064 |
offsetY: dy,>>> |
|
|
3065 |
scaleWidth: dw,>>> |
|
|
3066 |
scaleHeight: dh>>> |
|
|
3067 |
});>>> |
|
|
3068 |
}>>> |
|
|
3069 |
}>>> |
|
|
3070 |
|
|
|
3071 |
return canvg;>>> |
|
|
3072 |
|
|
|
3073 |
}));>>> |