WebSVN - Integrator Subversion - Blame - Rev 1 - /DOCUMENTOS E ANALISE/telas/assets/global/plugins/amcharts/amcharts/exporting/canvg.js

Rev	Author	Line No.	Line
1	espaco	1	/*
		2	* canvg.js - Javascript SVG parser and renderer on Canvas
		3	* MIT Licensed
		4	* Gabe Lerner (gabelerner@gmail.com)
		5	* http://code.google.com/p/canvg/
		6	*
		7	* Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
		8	*/
		9	(function(){
		10	// canvg(target, s)
		11	// empty parameters: replace all 'svg' elements on page with 'canvas' elements
		12	// target: canvas element or the id of a canvas element
		13	// s: svg string, url to svg file, or xml document
		14	// opts: optional hash of options
		15	// ignoreMouse: true => ignore mouse events
		16	// ignoreAnimation: true => ignore animations
		17	// ignoreDimensions: true => does not try to resize canvas
		18	// ignoreClear: true => does not clear canvas
		19	// offsetX: int => draws at a x offset
		20	// offsetY: int => draws at a y offset
		21	// scaleWidth: int => scales horizontally to width
		22	// scaleHeight: int => scales vertically to height
		23	// renderCallback: function => will call the function after the first render is completed
		24	// forceRedraw: function => will call the function on every frame, if it returns true, will redraw
		25	this.canvg = function (target, s, opts) {
		26	// no parameters
		27	if (target == null && s == null && opts == null) {
		28	var svgTags = document.getElementsByTagName('svg');
		29	for (var i=0; i<svgTags.length; i++) {
		30	var svgTag = svgTags[i];
		31	var c = document.createElement('canvas');
		32	c.width = svgTag.clientWidth;
		33	c.height = svgTag.clientHeight;
		34	svgTag.parentNode.insertBefore(c, svgTag);
		35	svgTag.parentNode.removeChild(svgTag);
		36	var div = document.createElement('div');
		37	div.appendChild(svgTag);
		38	canvg(c, div.innerHTML);
		39	}
		40	return;
		41	}
		42	opts = opts \|\| {};
		43
		44	if (typeof target == 'string') {
		45	target = document.getElementById(target);
		46	}
		47
		48	// store class on canvas
		49	if (target.svg != null) target.svg.stop();
		50	var svg = build();
		51	// on i.e. 8 for flash canvas, we can't assign the property so check for it
		52	if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg;
		53	svg.opts = opts;
		54
		55	var ctx = target.getContext('2d');
		56	if (typeof(s.documentElement) != 'undefined') {
		57	// load from xml doc
		58	svg.loadXmlDoc(ctx, s);
		59	}
		60	else if (s.substr(0,1) == '<') {
		61	// load from xml string
		62	svg.loadXml(ctx, s);
		63	}
		64	else {
		65	// load from url
		66	svg.load(ctx, s);
		67	}
		68	}
		69
		70	function build() {
		71	var svg = { };
		72
		73	svg.FRAMERATE = 30;
		74	svg.MAX_VIRTUAL_PIXELS = 30000;
		75
		76	// globals
		77	svg.init = function(ctx) {
		78	var uniqueId = 0;
		79	svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; };
		80	svg.Definitions = {};
		81	svg.Styles = {};
		82	svg.Animations = [];
		83	svg.Images = [];
		84	svg.ctx = ctx;
		85	svg.ViewPort = new (function () {
		86	this.viewPorts = [];
		87	this.Clear = function() { this.viewPorts = []; }
		88	this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
		89	this.RemoveCurrent = function() { this.viewPorts.pop(); }
		90	this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
		91	this.width = function() { return this.Current().width; }
		92	this.height = function() { return this.Current().height; }
		93	this.ComputeSize = function(d) {
		94	if (d != null && typeof(d) == 'number') return d;
		95	if (d == 'x') return this.width();
		96	if (d == 'y') return this.height();
		97	return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
		98	}
		99	});
		100	}
		101	svg.init();
		102
		103	// images loaded
		104	svg.ImagesLoaded = function() {
		105	for (var i=0; i<svg.Images.length; i++) {
		106	if (!svg.Images[i].loaded) return false;
		107	}
		108	return true;
		109	}
		110
		111	// trim
		112	svg.trim = function(s) { return s.replace(/^\s+\|\s+$/g, ''); }
		113
		114	// compress spaces
		115	svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
		116
		117	// ajax
		118	svg.ajax = function(url) {
		119	var AJAX;
		120	if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();}
		121	else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
		122	if(AJAX){
		123	AJAX.open('GET',url,false);
		124	AJAX.send(null);
		125	return AJAX.responseText;
		126	}
		127	return null;
		128	}
		129
		130	// parse xml
		131
		132	svg.parseXml = function(xml) {
		133	if (window.DOMParser)
		134	{
		135	var parser = new DOMParser();
		136	return parser.parseFromString(xml, 'text/xml');
		137	}
		138	else
		139	{
		140	xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
		141	var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
		142	xmlDoc.async = 'false';
		143	xmlDoc.loadXML(xml);
		144	return xmlDoc;
		145	}
		146	}
		147
		148	svg.Property = function(name, value) {
		149	this.name = name;
		150	this.value = value;
		151	}
		152	svg.Property.prototype.getValue = function() {
		153	return this.value;
		154	}
		155
		156	svg.Property.prototype.hasValue = function() {
		157	return (this.value != null && this.value !== '');
		158	}
		159
		160	// return the numerical value of the property
		161	svg.Property.prototype.numValue = function() {
		162	if (!this.hasValue()) return 0;
		163
		164	var n = parseFloat(this.value);
		165	if ((this.value + '').match(/%$/)) {
		166	n = n / 100.0;
		167	}
		168	return n;
		169	}
		170
		171	svg.Property.prototype.valueOrDefault = function(def) {
		172	if (this.hasValue()) return this.value;
		173	return def;
		174	}
		175
		176	svg.Property.prototype.numValueOrDefault = function(def) {
		177	if (this.hasValue()) return this.numValue();
		178	return def;
		179	}
		180
		181	// color extensions
		182	// augment the current color value with the opacity
		183	svg.Property.prototype.addOpacity = function(opacity) {
		184	var newValue = this.value;
		185	if (opacity != null && opacity != '' && typeof(this.value)=='string') { // can only add opacity to colors, not patterns
		186	var color = new RGBColor(this.value);
		187	if (color.ok) {
		188	newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacity + ')';
		189	}
		190	}
		191	return new svg.Property(this.name, newValue);
		192	}
		193
		194	// definition extensions
		195	// get the definition from the definitions table
		196	svg.Property.prototype.getDefinition = function() {
		197	var name = this.value.match(/#([^\)'"]+)/);
		198	if (name) { name = name[1]; }
		199	if (!name) { name = this.value; }
		200	return svg.Definitions[name];
		201	}
		202
		203	svg.Property.prototype.isUrlDefinition = function() {
		204	return this.value.indexOf('url(') == 0
		205	}
		206
		207	svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) {
		208	var def = this.getDefinition();
		209
		210	// gradient
		211	if (def != null && def.createGradient) {
		212	return def.createGradient(svg.ctx, e, opacityProp);
		213	}
		214
		215	// pattern
		216	if (def != null && def.createPattern) {
		217	if (def.getHrefAttribute().hasValue()) {
		218	var pt = def.attribute('patternTransform');
		219	def = def.getHrefAttribute().getDefinition();
		220	if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; }
		221	}
		222	return def.createPattern(svg.ctx, e);
		223	}
		224
		225	return null;
		226	}
		227
		228	// length extensions
		229	svg.Property.prototype.getDPI = function(viewPort) {
		230	return 96.0; // TODO: compute?
		231	}
		232
		233	svg.Property.prototype.getEM = function(viewPort) {
		234	var em = 12;
		235
		236	var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
		237	if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
		238
		239	return em;
		240	}
		241
		242	svg.Property.prototype.getUnits = function() {
		243	var s = this.value+'';
		244	return s.replace(/[0-9\.\-]/g,'');
		245	}
		246
		247	// get the length as pixels
		248	svg.Property.prototype.toPixels = function(viewPort, processPercent) {
		249	if (!this.hasValue()) return 0;
		250	var s = this.value+'';
		251	if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort);
		252	if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0;
		253	if (s.match(/px$/)) return this.numValue();
		254	if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0);
		255	if (s.match(/pc$/)) return this.numValue() * 15;
		256	if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54;
		257	if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4;
		258	if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort);
		259	if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort);
		260	var n = this.numValue();
		261	if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
		262	return n;
		263	}
		264
		265	// time extensions
		266	// get the time as milliseconds
		267	svg.Property.prototype.toMilliseconds = function() {
		268	if (!this.hasValue()) return 0;
		269	var s = this.value+'';
		270	if (s.match(/s$/)) return this.numValue() * 1000;
		271	if (s.match(/ms$/)) return this.numValue();
		272	return this.numValue();
		273	}
		274
		275	// angle extensions
		276	// get the angle as radians
		277	svg.Property.prototype.toRadians = function() {
		278	if (!this.hasValue()) return 0;
		279	var s = this.value+'';
		280	if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0);
		281	if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0);
		282	if (s.match(/rad$/)) return this.numValue();
		283	return this.numValue() * (Math.PI / 180.0);
		284	}
		285
		286	// fonts
		287	svg.Font = new (function() {
		288	this.Styles = 'normal\|italic\|oblique\|inherit';
		289	this.Variants = 'normal\|small-caps\|inherit';
		290	this.Weights = 'normal\|bold\|bolder\|lighter\|100\|200\|300\|400\|500\|600\|700\|800\|900\|inherit';
		291
		292	this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
		293	var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
		294	return {
		295	fontFamily: fontFamily \|\| f.fontFamily,
		296	fontSize: fontSize \|\| f.fontSize,
		297	fontStyle: fontStyle \|\| f.fontStyle,
		298	fontWeight: fontWeight \|\| f.fontWeight,
		299	fontVariant: fontVariant \|\| f.fontVariant,
		300	toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
		301	}
		302	}
		303
		304	var that = this;
		305	this.Parse = function(s) {
		306	var f = {};
		307	var d = svg.trim(svg.compressSpaces(s \|\| '')).split(' ');
		308	var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
		309	var ff = '';
		310	for (var i=0; i<d.length; i++) {
		311	if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
		312	else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; }
		313	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; }
		314	else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
		315	else { if (d[i] != 'inherit') ff += d[i]; }
		316	} if (ff != '') f.fontFamily = ff;
		317	return f;
		318	}
		319	});
		320
		321	// points and paths
		322	svg.ToNumberArray = function(s) {
		323	var a = svg.trim(svg.compressSpaces((s \|\| '').replace(/,/g, ' '))).split(' ');
		324	for (var i=0; i<a.length; i++) {
		325	a[i] = parseFloat(a[i]);
		326	}
		327	return a;
		328	}
		329	svg.Point = function(x, y) {
		330	this.x = x;
		331	this.y = y;
		332	}
		333	svg.Point.prototype.angleTo = function(p) {
		334	return Math.atan2(p.y - this.y, p.x - this.x);
		335	}
		336
		337	svg.Point.prototype.applyTransform = function(v) {
		338	var xp = this.x * v[0] + this.y * v[2] + v[4];
		339	var yp = this.x * v[1] + this.y * v[3] + v[5];
		340	this.x = xp;
		341	this.y = yp;
		342	}
		343
		344	svg.CreatePoint = function(s) {
		345	var a = svg.ToNumberArray(s);
		346	return new svg.Point(a[0], a[1]);
		347	}
		348	svg.CreatePath = function(s) {
		349	var a = svg.ToNumberArray(s);
		350	var path = [];
		351	for (var i=0; i<a.length; i+=2) {
		352	path.push(new svg.Point(a[i], a[i+1]));
		353	}
		354	return path;
		355	}
		356
		357	// bounding box
		358	svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want
		359	this.x1 = Number.NaN;
		360	this.y1 = Number.NaN;
		361	this.x2 = Number.NaN;
		362	this.y2 = Number.NaN;
		363
		364	this.x = function() { return this.x1; }
		365	this.y = function() { return this.y1; }
		366	this.width = function() { return this.x2 - this.x1; }
		367	this.height = function() { return this.y2 - this.y1; }
		368
		369	this.addPoint = function(x, y) {
		370	if (x != null) {
		371	if (isNaN(this.x1) \|\| isNaN(this.x2)) {
		372	this.x1 = x;
		373	this.x2 = x;
		374	}
		375	if (x < this.x1) this.x1 = x;
		376	if (x > this.x2) this.x2 = x;
		377	}
		378
		379	if (y != null) {
		380	if (isNaN(this.y1) \|\| isNaN(this.y2)) {
		381	this.y1 = y;
		382	this.y2 = y;
		383	}
		384	if (y < this.y1) this.y1 = y;
		385	if (y > this.y2) this.y2 = y;
		386	}
		387	}
		388	this.addX = function(x) { this.addPoint(x, null); }
		389	this.addY = function(y) { this.addPoint(null, y); }
		390
		391	this.addBoundingBox = function(bb) {
		392	this.addPoint(bb.x1, bb.y1);
		393	this.addPoint(bb.x2, bb.y2);
		394	}
		395
		396	this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
		397	var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
		398	var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
		399	var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
		400	var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
		401	this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
		402	}
		403
		404	this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
		405	// from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
		406	var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
		407	this.addPoint(p0[0], p0[1]);
		408	this.addPoint(p3[0], p3[1]);
		409
		410	for (i=0; i<=1; i++) {
		411	var f = function(t) {
		412	return Math.pow(1-t, 3) * p0[i]
		413	+ 3 * Math.pow(1-t, 2) * t * p1[i]
		414	+ 3 * (1-t) * Math.pow(t, 2) * p2[i]
		415	+ Math.pow(t, 3) * p3[i];
		416	}
		417
		418	var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
		419	var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
		420	var c = 3 * p1[i] - 3 * p0[i];
		421
		422	if (a == 0) {
		423	if (b == 0) continue;
		424	var t = -c / b;
		425	if (0 < t && t < 1) {
		426	if (i == 0) this.addX(f(t));
		427	if (i == 1) this.addY(f(t));
		428	}
		429	continue;
		430	}
		431
		432	var b2ac = Math.pow(b, 2) - 4 * c * a;
		433	if (b2ac < 0) continue;
		434	var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
		435	if (0 < t1 && t1 < 1) {
		436	if (i == 0) this.addX(f(t1));
		437	if (i == 1) this.addY(f(t1));
		438	}
		439	var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
		440	if (0 < t2 && t2 < 1) {
		441	if (i == 0) this.addX(f(t2));
		442	if (i == 1) this.addY(f(t2));
		443	}
		444	}
		445	}
		446
		447	this.isPointInBox = function(x, y) {
		448	return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
		449	}
		450
		451	this.addPoint(x1, y1);
		452	this.addPoint(x2, y2);
		453	}
		454
		455	// transforms
		456	svg.Transform = function(v) {
		457	var that = this;
		458	this.Type = {}
		459
		460	// translate
		461	this.Type.translate = function(s) {
		462	this.p = svg.CreatePoint(s);
		463	this.apply = function(ctx) {
		464	ctx.translate(this.p.x \|\| 0.0, this.p.y \|\| 0.0);
		465	}
		466	this.unapply = function(ctx) {
		467	ctx.translate(-1.0 * this.p.x \|\| 0.0, -1.0 * this.p.y \|\| 0.0);
		468	}
		469	this.applyToPoint = function(p) {
		470	p.applyTransform([1, 0, 0, 1, this.p.x \|\| 0.0, this.p.y \|\| 0.0]);
		471	}
		472	}
		473
		474	// rotate
		475	this.Type.rotate = function(s) {
		476	var a = svg.ToNumberArray(s);
		477	this.angle = new svg.Property('angle', a[0]);
		478	this.cx = a[1] \|\| 0;
		479	this.cy = a[2] \|\| 0;
		480	this.apply = function(ctx) {
		481	ctx.translate(this.cx, this.cy);
		482	ctx.rotate(this.angle.toRadians());
		483	ctx.translate(-this.cx, -this.cy);
		484	}
		485	this.unapply = function(ctx) {
		486	ctx.translate(this.cx, this.cy);
		487	ctx.rotate(-1.0 * this.angle.toRadians());
		488	ctx.translate(-this.cx, -this.cy);
		489	}
		490	this.applyToPoint = function(p) {
		491	var a = this.angle.toRadians();
		492	p.applyTransform([1, 0, 0, 1, this.p.x \|\| 0.0, this.p.y \|\| 0.0]);
		493	p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
		494	p.applyTransform([1, 0, 0, 1, -this.p.x \|\| 0.0, -this.p.y \|\| 0.0]);
		495	}
		496	}
		497
		498	this.Type.scale = function(s) {
		499	this.p = svg.CreatePoint(s);
		500	this.apply = function(ctx) {
		501	ctx.scale(this.p.x \|\| 1.0, this.p.y \|\| this.p.x \|\| 1.0);
		502	}
		503	this.unapply = function(ctx) {
		504	ctx.scale(1.0 / this.p.x \|\| 1.0, 1.0 / this.p.y \|\| this.p.x \|\| 1.0);
		505	}
		506	this.applyToPoint = function(p) {
		507	p.applyTransform([this.p.x \|\| 0.0, 0, 0, this.p.y \|\| 0.0, 0, 0]);
		508	}
		509	}
		510
		511	this.Type.matrix = function(s) {
		512	this.m = svg.ToNumberArray(s);
		513	this.apply = function(ctx) {
		514	ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
		515	}
		516	this.applyToPoint = function(p) {
		517	p.applyTransform(this.m);
		518	}
		519	}
		520
		521	this.Type.SkewBase = function(s) {
		522	this.base = that.Type.matrix;
		523	this.base(s);
		524	this.angle = new svg.Property('angle', s);
		525	}
		526	this.Type.SkewBase.prototype = new this.Type.matrix;
		527
		528	this.Type.skewX = function(s) {
		529	this.base = that.Type.SkewBase;
		530	this.base(s);
		531	this.m = [1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0];
		532	}
		533	this.Type.skewX.prototype = new this.Type.SkewBase;
		534
		535	this.Type.skewY = function(s) {
		536	this.base = that.Type.SkewBase;
		537	this.base(s);
		538	this.m = [1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0];
		539	}
		540	this.Type.skewY.prototype = new this.Type.SkewBase;
		541
		542	this.transforms = [];
		543
		544	this.apply = function(ctx) {
		545	for (var i=0; i<this.transforms.length; i++) {
		546	this.transforms[i].apply(ctx);
		547	}
		548	}
		549
		550	this.unapply = function(ctx) {
		551	for (var i=this.transforms.length-1; i>=0; i--) {
		552	this.transforms[i].unapply(ctx);
		553	}
		554	}
		555
		556	this.applyToPoint = function(p) {
		557	for (var i=0; i<this.transforms.length; i++) {
		558	this.transforms[i].applyToPoint(p);
		559	}
		560	}
		561
		562	var data = svg.trim(svg.compressSpaces(v)).replace(/\)(\s?,\s?)/g,') ').split(/\s(?=[a-z])/);
		563	for (var i=0; i<data.length; i++) {
		564	var type = svg.trim(data[i].split('(')[0]);
		565	var s = data[i].split('(')[1].replace(')','');
		566	var transform = new this.Type[type](s);
		567	transform.type = type;
		568	this.transforms.push(transform);
		569	}
		570	}
		571
		572	// aspect ratio
		573	svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
		574	// aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
		575	aspectRatio = svg.compressSpaces(aspectRatio);
		576	aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer
		577	var align = aspectRatio.split(' ')[0] \|\| 'xMidYMid';
		578	var meetOrSlice = aspectRatio.split(' ')[1] \|\| 'meet';
		579
		580	// calculate scale
		581	var scaleX = width / desiredWidth;
		582	var scaleY = height / desiredHeight;
		583	var scaleMin = Math.min(scaleX, scaleY);
		584	var scaleMax = Math.max(scaleX, scaleY);
		585	if (meetOrSlice == 'meet') { desiredWidth = scaleMin; desiredHeight = scaleMin; }
		586	if (meetOrSlice == 'slice') { desiredWidth = scaleMax; desiredHeight = scaleMax; }
		587
		588	refX = new svg.Property('refX', refX);
		589	refY = new svg.Property('refY', refY);
		590	if (refX.hasValue() && refY.hasValue()) {
		591	ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
		592	}
		593	else {
		594	// align
		595	if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) \|\| (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
		596	if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) \|\| (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
		597	if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) \|\| (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
		598	if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) \|\| (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
		599	}
		600
		601	// scale
		602	if (align == 'none') ctx.scale(scaleX, scaleY);
		603	else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
		604	else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
		605
		606	// translate
		607	ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
		608	}
		609
		610	// elements
		611	svg.Element = {}
		612
		613	svg.EmptyProperty = new svg.Property('EMPTY', '');
		614
		615	svg.Element.ElementBase = function(node) {
		616	this.attributes = {};
		617	this.styles = {};
		618	this.children = [];
		619
		620	// get or create attribute
		621	this.attribute = function(name, createIfNotExists) {
		622	var a = this.attributes[name];
		623	if (a != null) return a;
		624
		625	if (createIfNotExists == true) { a = new svg.Property(name, ''); this.attributes[name] = a; }
		626	return a \|\| svg.EmptyProperty;
		627	}
		628
		629	this.getHrefAttribute = function() {
		630	for (var a in this.attributes) {
		631	if (a.match(/:href$/)) {
		632	return this.attributes[a];
		633	}
		634	}
		635	return svg.EmptyProperty;
		636	}
		637
		638	// get or create style, crawls up node tree
		639	this.style = function(name, createIfNotExists) {
		640	var s = this.styles[name];
		641	if (s != null) return s;
		642
		643	var a = this.attribute(name);
		644	if (a != null && a.hasValue()) {
		645	this.styles[name] = a; // move up to me to cache
		646	return a;
		647	}
		648
		649	var p = this.parent;
		650	if (p != null) {
		651	var ps = p.style(name);
		652	if (ps != null && ps.hasValue()) {
		653	return ps;
		654	}
		655	}
		656
		657	if (createIfNotExists == true) { s = new svg.Property(name, ''); this.styles[name] = s; }
		658	return s \|\| svg.EmptyProperty;
		659	}
		660
		661	// base render
		662	this.render = function(ctx) {
		663	// don't render display=none
		664	if (this.style('display').value == 'none') return;
		665
		666	// don't render visibility=hidden
		667	if (this.attribute('visibility').value == 'hidden') return;
		668
		669	ctx.save();
		670	if (this.attribute('mask').hasValue()) { // mask
		671	var mask = this.attribute('mask').getDefinition();
		672	if (mask != null) mask.apply(ctx, this);
		673	}
		674	else if (this.style('filter').hasValue()) { // filter
		675	var filter = this.style('filter').getDefinition();
		676	if (filter != null) filter.apply(ctx, this);
		677	}
		678	else {
		679	this.setContext(ctx);
		680	this.renderChildren(ctx);
		681	this.clearContext(ctx);
		682	}
		683	ctx.restore();
		684	}
		685
		686	// base set context
		687	this.setContext = function(ctx) {
		688	// OVERRIDE ME!
		689	}
		690
		691	// base clear context
		692	this.clearContext = function(ctx) {
		693	// OVERRIDE ME!
		694	}
		695
		696	// base render children
		697	this.renderChildren = function(ctx) {
		698	for (var i=0; i<this.children.length; i++) {
		699	this.children[i].render(ctx);
		700	}
		701	}
		702
		703	this.addChild = function(childNode, create) {
		704	var child = childNode;
		705	if (create) child = svg.CreateElement(childNode);
		706	child.parent = this;
		707	this.children.push(child);
		708	}
		709
		710	if (node != null && node.nodeType == 1) { //ELEMENT_NODE
		711	// add children
		712	for (var i=0; i<node.childNodes.length; i++) {
		713	var childNode = node.childNodes[i];
		714	if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE
		715	if (this.captureTextNodes && childNode.nodeType == 3) {
		716	var text = childNode.nodeValue \|\| childNode.text \|\| '';
		717	if (svg.trim(svg.compressSpaces(text)) != '') {
		718	this.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
		719	}
		720	}
		721	}
		722
		723	// add attributes
		724	for (var i=0; i<node.attributes.length; i++) {
		725	var attribute = node.attributes[i];
		726	this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue);
		727	}
		728
		729	// add tag styles
		730	var styles = svg.Styles[node.nodeName];
		731	if (styles != null) {
		732	for (var name in styles) {
		733	this.styles[name] = styles[name];
		734	}
		735	}
		736
		737	// add class styles
		738	if (this.attribute('class').hasValue()) {
		739	var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
		740	for (var j=0; j<classes.length; j++) {
		741	styles = svg.Styles['.'+classes[j]];
		742	if (styles != null) {
		743	for (var name in styles) {
		744	this.styles[name] = styles[name];
		745	}
		746	}
		747	styles = svg.Styles[node.nodeName+'.'+classes[j]];
		748	if (styles != null) {
		749	for (var name in styles) {
		750	this.styles[name] = styles[name];
		751	}
		752	}
		753	}
		754	}
		755
		756	// add id styles
		757	if (this.attribute('id').hasValue()) {
		758	var styles = svg.Styles['#' + this.attribute('id').value];
		759	if (styles != null) {
		760	for (var name in styles) {
		761	this.styles[name] = styles[name];
		762	}
		763	}
		764	}
		765
		766	// add inline styles
		767	if (this.attribute('style').hasValue()) {
		768	var styles = this.attribute('style').value.split(';');
		769	for (var i=0; i<styles.length; i++) {
		770	if (svg.trim(styles[i]) != '') {
		771	var style = styles[i].split(':');
		772	var name = svg.trim(style[0]);
		773	var value = svg.trim(style[1]);
		774	this.styles[name] = new svg.Property(name, value);
		775	}
		776	}
		777	}
		778
		779	// add id
		780	if (this.attribute('id').hasValue()) {
		781	if (svg.Definitions[this.attribute('id').value] == null) {
		782	svg.Definitions[this.attribute('id').value] = this;
		783	}
		784	}
		785	}
		786	}
		787
		788	svg.Element.RenderedElementBase = function(node) {
		789	this.base = svg.Element.ElementBase;
		790	this.base(node);
		791
		792	this.setContext = function(ctx) {
		793	// fill
		794	if (this.style('fill').isUrlDefinition()) {
		795	var fs = this.style('fill').getFillStyleDefinition(this, this.style('fill-opacity'));
		796	if (fs != null) ctx.fillStyle = fs;
		797	}
		798	else if (this.style('fill').hasValue()) {
		799	var fillStyle = this.style('fill');
		800	if (fillStyle.value == 'currentColor') fillStyle.value = this.style('color').value;
		801	ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value);
		802	}
		803	if (this.style('fill-opacity').hasValue()) {
		804	var fillStyle = new svg.Property('fill', ctx.fillStyle);
		805	fillStyle = fillStyle.addOpacity(this.style('fill-opacity').value);
		806	ctx.fillStyle = fillStyle.value;
		807	}
		808
		809	// stroke
		810	if (this.style('stroke').isUrlDefinition()) {
		811	var fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
		812	if (fs != null) ctx.strokeStyle = fs;
		813	}
		814	else if (this.style('stroke').hasValue()) {
		815	var strokeStyle = this.style('stroke');
		816	if (strokeStyle.value == 'currentColor') strokeStyle.value = this.style('color').value;
		817	ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value);
		818	}
		819	if (this.style('stroke-opacity').hasValue()) {
		820	var strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
		821	strokeStyle = strokeStyle.addOpacity(this.style('stroke-opacity').value);
		822	ctx.strokeStyle = strokeStyle.value;
		823	}
		824	if (this.style('stroke-width').hasValue()) {
		825	var newLineWidth = this.style('stroke-width').toPixels();
		826	ctx.lineWidth = newLineWidth == 0 ? 0.001 : newLineWidth; // browsers don't respect 0
		827	}
		828	if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
		829	if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
		830	if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
		831	if (this.style('stroke-dasharray').hasValue()) {
		832	var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
		833	if (typeof(ctx.setLineDash) != 'undefined') { ctx.setLineDash(gaps); }
		834	else if (typeof(ctx.webkitLineDash) != 'undefined') { ctx.webkitLineDash = gaps; }
		835	else if (typeof(ctx.mozDash ) != 'undefined') { ctx.mozDash = gaps; }
		836
		837	var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
		838	if (typeof(ctx.lineDashOffset) != 'undefined') { ctx.lineDashOffset = offset; }
		839	else if (typeof(ctx.webkitLineDashOffset) != 'undefined') { ctx.webkitLineDashOffset = offset; }
		840	else if (typeof(ctx.mozDashOffset) != 'undefined') { ctx.mozDashOffset = offset; }
		841	}
		842
		843	// font
		844	if (typeof(ctx.font) != 'undefined') {
		845	ctx.font = svg.Font.CreateFont(
		846	this.style('font-style').value,
		847	this.style('font-variant').value,
		848	this.style('font-weight').value,
		849	this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '',
		850	this.style('font-family').value).toString();
		851	}
		852
		853	// transform
		854	if (this.attribute('transform').hasValue()) {
		855	var transform = new svg.Transform(this.attribute('transform').value);
		856	transform.apply(ctx);
		857	}
		858
		859	// clip
		860	if (this.style('clip-path').hasValue()) {
		861	var clip = this.style('clip-path').getDefinition();
		862	if (clip != null) clip.apply(ctx);
		863	}
		864
		865	// opacity
		866	if (this.style('opacity').hasValue()) {
		867	ctx.globalAlpha = this.style('opacity').numValue();
		868	}
		869	}
		870	}
		871	svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase;
		872
		873	svg.Element.PathElementBase = function(node) {
		874	this.base = svg.Element.RenderedElementBase;
		875	this.base(node);
		876
		877	this.path = function(ctx) {
		878	if (ctx != null) ctx.beginPath();
		879	return new svg.BoundingBox();
		880	}
		881
		882	this.renderChildren = function(ctx) {
		883	this.path(ctx);
		884	svg.Mouse.checkPath(this, ctx);
		885	if (ctx.fillStyle != '') {
		886	if (this.attribute('fill-rule').hasValue()) { ctx.fill(this.attribute('fill-rule').value); }
		887	else { ctx.fill(); }
		888	}
		889	if (ctx.strokeStyle != '') ctx.stroke();
		890
		891	var markers = this.getMarkers();
		892	if (markers != null) {
		893	if (this.style('marker-start').isUrlDefinition()) {
		894	var marker = this.style('marker-start').getDefinition();
		895	marker.render(ctx, markers[0][0], markers[0][1]);
		896	}
		897	if (this.style('marker-mid').isUrlDefinition()) {
		898	var marker = this.style('marker-mid').getDefinition();
		899	for (var i=1;i<markers.length-1;i++) {
		900	marker.render(ctx, markers[i][0], markers[i][1]);
		901	}
		902	}
		903	if (this.style('marker-end').isUrlDefinition()) {
		904	var marker = this.style('marker-end').getDefinition();
		905	marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]);
		906	}
		907	}
		908	}
		909
		910	this.getBoundingBox = function() {
		911	return this.path();
		912	}
		913
		914	this.getMarkers = function() {
		915	return null;
		916	}
		917	}
		918	svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase;
		919
		920	// svg element
		921	svg.Element.svg = function(node) {
		922	this.base = svg.Element.RenderedElementBase;
		923	this.base(node);
		924
		925	this.baseClearContext = this.clearContext;
		926	this.clearContext = function(ctx) {
		927	this.baseClearContext(ctx);
		928	svg.ViewPort.RemoveCurrent();
		929	}
		930
		931	this.baseSetContext = this.setContext;
		932	this.setContext = function(ctx) {
		933	// initial values
		934	ctx.strokeStyle = 'rgba(0,0,0,0)';
		935	ctx.lineCap = 'butt';
		936	ctx.lineJoin = 'miter';
		937	ctx.miterLimit = 4;
		938
		939	this.baseSetContext(ctx);
		940
		941	// create new view port
		942	if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
		943	if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
		944	ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
		945
		946	var width = svg.ViewPort.width();
		947	var height = svg.ViewPort.height();
		948
		949	if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
		950	if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
		951	if (typeof(this.root) == 'undefined') {
		952	width = this.attribute('width').toPixels('x');
		953	height = this.attribute('height').toPixels('y');
		954
		955	var x = 0;
		956	var y = 0;
		957	if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
		958	x = -this.attribute('refX').toPixels('x');
		959	y = -this.attribute('refY').toPixels('y');
		960	}
		961
		962	ctx.beginPath();
		963	ctx.moveTo(x, y);
		964	ctx.lineTo(width, y);
		965	ctx.lineTo(width, height);
		966	ctx.lineTo(x, height);
		967	ctx.closePath();
		968	ctx.clip();
		969	}
		970	svg.ViewPort.SetCurrent(width, height);
		971
		972	// viewbox
		973	if (this.attribute('viewBox').hasValue()) {
		974	var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
		975	var minX = viewBox[0];
		976	var minY = viewBox[1];
		977	width = viewBox[2];
		978	height = viewBox[3];
		979
		980	svg.AspectRatio(ctx,
		981	this.attribute('preserveAspectRatio').value,
		982	svg.ViewPort.width(),
		983	width,
		984	svg.ViewPort.height(),
		985	height,
		986	minX,
		987	minY,
		988	this.attribute('refX').value,
		989	this.attribute('refY').value);
		990
		991	svg.ViewPort.RemoveCurrent();
		992	svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
		993	}
		994	}
		995	}
		996	svg.Element.svg.prototype = new svg.Element.RenderedElementBase;
		997
		998	// rect element
		999	svg.Element.rect = function(node) {
		1000	this.base = svg.Element.PathElementBase;
		1001	this.base(node);
		1002
		1003	this.path = function(ctx) {
		1004	var x = this.attribute('x').toPixels('x');
		1005	var y = this.attribute('y').toPixels('y');
		1006	var width = this.attribute('width').toPixels('x');
		1007	var height = this.attribute('height').toPixels('y');
		1008	var rx = this.attribute('rx').toPixels('x');
		1009	var ry = this.attribute('ry').toPixels('y');
		1010	if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx;
		1011	if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
		1012	rx = Math.min(rx, width / 2.0);
		1013	ry = Math.min(ry, height / 2.0);
		1014	if (ctx != null) {
		1015	ctx.beginPath();
		1016	ctx.moveTo(x + rx, y);
		1017	ctx.lineTo(x + width - rx, y);
		1018	ctx.quadraticCurveTo(x + width, y, x + width, y + ry)
		1019	ctx.lineTo(x + width, y + height - ry);
		1020	ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height)
		1021	ctx.lineTo(x + rx, y + height);
		1022	ctx.quadraticCurveTo(x, y + height, x, y + height - ry)
		1023	ctx.lineTo(x, y + ry);
		1024	ctx.quadraticCurveTo(x, y, x + rx, y)
		1025	ctx.closePath();
		1026	}
		1027
		1028	return new svg.BoundingBox(x, y, x + width, y + height);
		1029	}
		1030	}
		1031	svg.Element.rect.prototype = new svg.Element.PathElementBase;
		1032
		1033	// circle element
		1034	svg.Element.circle = function(node) {
		1035	this.base = svg.Element.PathElementBase;
		1036	this.base(node);
		1037
		1038	this.path = function(ctx) {
		1039	var cx = this.attribute('cx').toPixels('x');
		1040	var cy = this.attribute('cy').toPixels('y');
		1041	var r = this.attribute('r').toPixels();
		1042
		1043	if (ctx != null) {
		1044	ctx.beginPath();
		1045	ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
		1046	ctx.closePath();
		1047	}
		1048
		1049	return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
		1050	}
		1051	}
		1052	svg.Element.circle.prototype = new svg.Element.PathElementBase;
		1053
		1054	// ellipse element
		1055	svg.Element.ellipse = function(node) {
		1056	this.base = svg.Element.PathElementBase;
		1057	this.base(node);
		1058
		1059	this.path = function(ctx) {
		1060	var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
		1061	var rx = this.attribute('rx').toPixels('x');
		1062	var ry = this.attribute('ry').toPixels('y');
		1063	var cx = this.attribute('cx').toPixels('x');
		1064	var cy = this.attribute('cy').toPixels('y');
		1065
		1066	if (ctx != null) {
		1067	ctx.beginPath();
		1068	ctx.moveTo(cx, cy - ry);
		1069	ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy);
		1070	ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry);
		1071	ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy);
		1072	ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry);
		1073	ctx.closePath();
		1074	}
		1075
		1076	return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
		1077	}
		1078	}
		1079	svg.Element.ellipse.prototype = new svg.Element.PathElementBase;
		1080
		1081	// line element
		1082	svg.Element.line = function(node) {
		1083	this.base = svg.Element.PathElementBase;
		1084	this.base(node);
		1085
		1086	this.getPoints = function() {
		1087	return [
		1088	new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')),
		1089	new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
		1090	}
		1091
		1092	this.path = function(ctx) {
		1093	var points = this.getPoints();
		1094
		1095	if (ctx != null) {
		1096	ctx.beginPath();
		1097	ctx.moveTo(points[0].x, points[0].y);
		1098	ctx.lineTo(points[1].x, points[1].y);
		1099	}
		1100
		1101	return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
		1102	}
		1103
		1104	this.getMarkers = function() {
		1105	var points = this.getPoints();
		1106	var a = points[0].angleTo(points[1]);
		1107	return [[points[0], a], [points[1], a]];
		1108	}
		1109	}
		1110	svg.Element.line.prototype = new svg.Element.PathElementBase;
		1111
		1112	// polyline element
		1113	svg.Element.polyline = function(node) {
		1114	this.base = svg.Element.PathElementBase;
		1115	this.base(node);
		1116
		1117	this.points = svg.CreatePath(this.attribute('points').value);
		1118	this.path = function(ctx) {
		1119	var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
		1120	if (ctx != null) {
		1121	ctx.beginPath();
		1122	ctx.moveTo(this.points[0].x, this.points[0].y);
		1123	}
		1124	for (var i=1; i<this.points.length; i++) {
		1125	bb.addPoint(this.points[i].x, this.points[i].y);
		1126	if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
		1127	}
		1128	return bb;
		1129	}
		1130
		1131	this.getMarkers = function() {
		1132	var markers = [];
		1133	for (var i=0; i<this.points.length - 1; i++) {
		1134	markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]);
		1135	}
		1136	markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]);
		1137	return markers;
		1138	}
		1139	}
		1140	svg.Element.polyline.prototype = new svg.Element.PathElementBase;
		1141
		1142	// polygon element
		1143	svg.Element.polygon = function(node) {
		1144	this.base = svg.Element.polyline;
		1145	this.base(node);
		1146
		1147	this.basePath = this.path;
		1148	this.path = function(ctx) {
		1149	var bb = this.basePath(ctx);
		1150	if (ctx != null) {
		1151	ctx.lineTo(this.points[0].x, this.points[0].y);
		1152	ctx.closePath();
		1153	}
		1154	return bb;
		1155	}
		1156	}
		1157	svg.Element.polygon.prototype = new svg.Element.polyline;
		1158
		1159	// path element
		1160	svg.Element.path = function(node) {
		1161	this.base = svg.Element.PathElementBase;
		1162	this.base(node);
		1163
		1164	var d = this.attribute('d').value;
		1165	// TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF
		1166	d = d.replace(/,/gm,' '); // get rid of all commas
		1167	d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
		1168	d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
		1169	d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points
		1170	d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from points
		1171	d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits when no comma
		1172	d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when no comma
		1173	d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax
		1174	d = svg.compressSpaces(d); // compress multiple spaces
		1175	d = svg.trim(d);
		1176	this.PathParser = new (function(d) {
		1177	this.tokens = d.split(' ');
		1178
		1179	this.reset = function() {
		1180	this.i = -1;
		1181	this.command = '';
		1182	this.previousCommand = '';
		1183	this.start = new svg.Point(0, 0);
		1184	this.control = new svg.Point(0, 0);
		1185	this.current = new svg.Point(0, 0);
		1186	this.points = [];
		1187	this.angles = [];
		1188	}
		1189
		1190	this.isEnd = function() {
		1191	return this.i >= this.tokens.length - 1;
		1192	}
		1193
		1194	this.isCommandOrEnd = function() {
		1195	if (this.isEnd()) return true;
		1196	return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
		1197	}
		1198
		1199	this.isRelativeCommand = function() {
		1200	switch(this.command)
		1201	{
		1202	case 'm':
		1203	case 'l':
		1204	case 'h':
		1205	case 'v':
		1206	case 'c':
		1207	case 's':
		1208	case 'q':
		1209	case 't':
		1210	case 'a':
		1211	case 'z':
		1212	return true;
		1213	break;
		1214	}
		1215	return false;
		1216	}
		1217
		1218	this.getToken = function() {
		1219	this.i++;
		1220	return this.tokens[this.i];
		1221	}
		1222
		1223	this.getScalar = function() {
		1224	return parseFloat(this.getToken());
		1225	}
		1226
		1227	this.nextCommand = function() {
		1228	this.previousCommand = this.command;
		1229	this.command = this.getToken();
		1230	}
		1231
		1232	this.getPoint = function() {
		1233	var p = new svg.Point(this.getScalar(), this.getScalar());
		1234	return this.makeAbsolute(p);
		1235	}
		1236
		1237	this.getAsControlPoint = function() {
		1238	var p = this.getPoint();
		1239	this.control = p;
		1240	return p;
		1241	}
		1242
		1243	this.getAsCurrentPoint = function() {
		1244	var p = this.getPoint();
		1245	this.current = p;
		1246	return p;
		1247	}
		1248
		1249	this.getReflectedControlPoint = function() {
		1250	if (this.previousCommand.toLowerCase() != 'c' &&
		1251	this.previousCommand.toLowerCase() != 's' &&
		1252	this.previousCommand.toLowerCase() != 'q' &&
		1253	this.previousCommand.toLowerCase() != 't' ){
		1254	return this.current;
		1255	}
		1256
		1257	// reflect point
		1258	var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
		1259	return p;
		1260	}
		1261
		1262	this.makeAbsolute = function(p) {
		1263	if (this.isRelativeCommand()) {
		1264	p.x += this.current.x;
		1265	p.y += this.current.y;
		1266	}
		1267	return p;
		1268	}
		1269
		1270	this.addMarker = function(p, from, priorTo) {
		1271	// if the last angle isn't filled in because we didn't have this point yet ...
		1272	if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
		1273	this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
		1274	}
		1275	this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
		1276	}
		1277
		1278	this.addMarkerAngle = function(p, a) {
		1279	this.points.push(p);
		1280	this.angles.push(a);
		1281	}
		1282
		1283	this.getMarkerPoints = function() { return this.points; }
		1284	this.getMarkerAngles = function() {
		1285	for (var i=0; i<this.angles.length; i++) {
		1286	if (this.angles[i] == null) {
		1287	for (var j=i+1; j<this.angles.length; j++) {
		1288	if (this.angles[j] != null) {
		1289	this.angles[i] = this.angles[j];
		1290	break;
		1291	}
		1292	}
		1293	}
		1294	}
		1295	return this.angles;
		1296	}
		1297	})(d);
		1298
		1299	this.path = function(ctx) {
		1300	var pp = this.PathParser;
		1301	pp.reset();
		1302
		1303	var bb = new svg.BoundingBox();
		1304	if (ctx != null) ctx.beginPath();
		1305	while (!pp.isEnd()) {
		1306	pp.nextCommand();
		1307	switch (pp.command) {
		1308	case 'M':
		1309	case 'm':
		1310	var p = pp.getAsCurrentPoint();
		1311	pp.addMarker(p);
		1312	bb.addPoint(p.x, p.y);
		1313	if (ctx != null) ctx.moveTo(p.x, p.y);
		1314	pp.start = pp.current;
		1315	while (!pp.isCommandOrEnd()) {
		1316	var p = pp.getAsCurrentPoint();
		1317	pp.addMarker(p, pp.start);
		1318	bb.addPoint(p.x, p.y);
		1319	if (ctx != null) ctx.lineTo(p.x, p.y);
		1320	}
		1321	break;
		1322	case 'L':
		1323	case 'l':
		1324	while (!pp.isCommandOrEnd()) {
		1325	var c = pp.current;
		1326	var p = pp.getAsCurrentPoint();
		1327	pp.addMarker(p, c);
		1328	bb.addPoint(p.x, p.y);
		1329	if (ctx != null) ctx.lineTo(p.x, p.y);
		1330	}
		1331	break;
		1332	case 'H':
		1333	case 'h':
		1334	while (!pp.isCommandOrEnd()) {
		1335	var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
		1336	pp.addMarker(newP, pp.current);
		1337	pp.current = newP;
		1338	bb.addPoint(pp.current.x, pp.current.y);
		1339	if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
		1340	}
		1341	break;
		1342	case 'V':
		1343	case 'v':
		1344	while (!pp.isCommandOrEnd()) {
		1345	var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
		1346	pp.addMarker(newP, pp.current);
		1347	pp.current = newP;
		1348	bb.addPoint(pp.current.x, pp.current.y);
		1349	if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
		1350	}
		1351	break;
		1352	case 'C':
		1353	case 'c':
		1354	while (!pp.isCommandOrEnd()) {
		1355	var curr = pp.current;
		1356	var p1 = pp.getPoint();
		1357	var cntrl = pp.getAsControlPoint();
		1358	var cp = pp.getAsCurrentPoint();
		1359	pp.addMarker(cp, cntrl, p1);
		1360	bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1361	if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1362	}
		1363	break;
		1364	case 'S':
		1365	case 's':
		1366	while (!pp.isCommandOrEnd()) {
		1367	var curr = pp.current;
		1368	var p1 = pp.getReflectedControlPoint();
		1369	var cntrl = pp.getAsControlPoint();
		1370	var cp = pp.getAsCurrentPoint();
		1371	pp.addMarker(cp, cntrl, p1);
		1372	bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1373	if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1374	}
		1375	break;
		1376	case 'Q':
		1377	case 'q':
		1378	while (!pp.isCommandOrEnd()) {
		1379	var curr = pp.current;
		1380	var cntrl = pp.getAsControlPoint();
		1381	var cp = pp.getAsCurrentPoint();
		1382	pp.addMarker(cp, cntrl, cntrl);
		1383	bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1384	if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
		1385	}
		1386	break;
		1387	case 'T':
		1388	case 't':
		1389	while (!pp.isCommandOrEnd()) {
		1390	var curr = pp.current;
		1391	var cntrl = pp.getReflectedControlPoint();
		1392	pp.control = cntrl;
		1393	var cp = pp.getAsCurrentPoint();
		1394	pp.addMarker(cp, cntrl, cntrl);
		1395	bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
		1396	if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
		1397	}
		1398	break;
		1399	case 'A':
		1400	case 'a':
		1401	while (!pp.isCommandOrEnd()) {
		1402	var curr = pp.current;
		1403	var rx = pp.getScalar();
		1404	var ry = pp.getScalar();
		1405	var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
		1406	var largeArcFlag = pp.getScalar();
		1407	var sweepFlag = pp.getScalar();
		1408	var cp = pp.getAsCurrentPoint();
		1409
		1410	// Conversion from endpoint to center parameterization
		1411	// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
		1412	// x1', y1'
		1413	var currp = new svg.Point(
		1414	Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0,
		1415	-Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0
		1416	);
		1417	// adjust radii
		1418	var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2);
		1419	if (l > 1) {
		1420	rx *= Math.sqrt(l);
		1421	ry *= Math.sqrt(l);
		1422	}
		1423	// cx', cy'
		1424	var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
		1425	((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))) /
		1426	(Math.pow(rx,2)Math.pow(currp.y,2)+Math.pow(ry,2)Math.pow(currp.x,2))
		1427	);
		1428	if (isNaN(s)) s = 0;
		1429	var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
		1430	// cx, cy
		1431	var centp = new svg.Point(
		1432	(curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
		1433	(curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
		1434	);
		1435	// vector magnitude
		1436	var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
		1437	// ratio between two vectors
		1438	var r = function(u, v) { return (u[0]v[0]+u[1]v[1]) / (m(u)*m(v)) }
		1439	// angle between two vectors
		1440	var a = function(u, v) { return (u[0]v[1] < u[1]v[0] ? -1 : 1) * Math.acos(r(u,v)); }
		1441	// initial angle
		1442	var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
		1443	// angle delta
		1444	var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
		1445	var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
		1446	var ad = a(u, v);
		1447	if (r(u,v) <= -1) ad = Math.PI;
		1448	if (r(u,v) >= 1) ad = 0;
		1449
		1450	// for markers
		1451	var dir = 1 - sweepFlag ? 1.0 : -1.0;
		1452	var ah = a1 + dir * (ad / 2.0);
		1453	var halfWay = new svg.Point(
		1454	centp.x + rx * Math.cos(ah),
		1455	centp.y + ry * Math.sin(ah)
		1456	);
		1457	pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
		1458	pp.addMarkerAngle(cp, ah - dir * Math.PI);
		1459
		1460	bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
		1461	if (ctx != null) {
		1462	var r = rx > ry ? rx : ry;
		1463	var sx = rx > ry ? 1 : rx / ry;
		1464	var sy = rx > ry ? ry / rx : 1;
		1465
		1466	ctx.translate(centp.x, centp.y);
		1467	ctx.rotate(xAxisRotation);
		1468	ctx.scale(sx, sy);
		1469	ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
		1470	ctx.scale(1/sx, 1/sy);
		1471	ctx.rotate(-xAxisRotation);
		1472	ctx.translate(-centp.x, -centp.y);
		1473	}
		1474	}
		1475	break;
		1476	case 'Z':
		1477	case 'z':
		1478	if (ctx != null) ctx.closePath();
		1479	pp.current = pp.start;
		1480	}
		1481	}
		1482
		1483	return bb;
		1484	}
		1485
		1486	this.getMarkers = function() {
		1487	var points = this.PathParser.getMarkerPoints();
		1488	var angles = this.PathParser.getMarkerAngles();
		1489
		1490	var markers = [];
		1491	for (var i=0; i<points.length; i++) {
		1492	markers.push([points[i], angles[i]]);
		1493	}
		1494	return markers;
		1495	}
		1496	}
		1497	svg.Element.path.prototype = new svg.Element.PathElementBase;
		1498
		1499	// pattern element
		1500	svg.Element.pattern = function(node) {
		1501	this.base = svg.Element.ElementBase;
		1502	this.base(node);
		1503
		1504	this.createPattern = function(ctx, element) {
		1505	var width = this.attribute('width').toPixels('x', true);
		1506	var height = this.attribute('height').toPixels('y', true);
		1507
		1508	// render me using a temporary svg element
		1509	var tempSvg = new svg.Element.svg();
		1510	tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
		1511	tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
		1512	tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
		1513	tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
		1514	tempSvg.children = this.children;
		1515
		1516	var c = document.createElement('canvas');
		1517	c.width = width;
		1518	c.height = height;
		1519	var cctx = c.getContext('2d');
		1520	if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
		1521	cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
		1522	}
		1523	// render 3x3 grid so when we transform there's no white space on edges
		1524	for (var x=-1; x<=1; x++) {
		1525	for (var y=-1; y<=1; y++) {
		1526	cctx.save();
		1527	cctx.translate(x * c.width, y * c.height);
		1528	tempSvg.render(cctx);
		1529	cctx.restore();
		1530	}
		1531	}
		1532	var pattern = ctx.createPattern(c, 'repeat');
		1533	return pattern;
		1534	}
		1535	}
		1536	svg.Element.pattern.prototype = new svg.Element.ElementBase;
		1537
		1538	// marker element
		1539	svg.Element.marker = function(node) {
		1540	this.base = svg.Element.ElementBase;
		1541	this.base(node);
		1542
		1543	this.baseRender = this.render;
		1544	this.render = function(ctx, point, angle) {
		1545	ctx.translate(point.x, point.y);
		1546	if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle);
		1547	if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
		1548	ctx.save();
		1549
		1550	// render me using a temporary svg element
		1551	var tempSvg = new svg.Element.svg();
		1552	tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
		1553	tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
		1554	tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value);
		1555	tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value);
		1556	tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value);
		1557	tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black'));
		1558	tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
		1559	tempSvg.children = this.children;
		1560	tempSvg.render(ctx);
		1561
		1562	ctx.restore();
		1563	if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth);
		1564	if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle);
		1565	ctx.translate(-point.x, -point.y);
		1566	}
		1567	}
		1568	svg.Element.marker.prototype = new svg.Element.ElementBase;
		1569
		1570	// definitions element
		1571	svg.Element.defs = function(node) {
		1572	this.base = svg.Element.ElementBase;
		1573	this.base(node);
		1574
		1575	this.render = function(ctx) {
		1576	// NOOP
		1577	}
		1578	}
		1579	svg.Element.defs.prototype = new svg.Element.ElementBase;
		1580
		1581	// base for gradients
		1582	svg.Element.GradientBase = function(node) {
		1583	this.base = svg.Element.ElementBase;
		1584	this.base(node);
		1585
		1586	this.gradientUnits = this.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
		1587
		1588	this.stops = [];
		1589	for (var i=0; i<this.children.length; i++) {
		1590	var child = this.children[i];
		1591	if (child.type == 'stop') this.stops.push(child);
		1592	}
		1593
		1594	this.getGradient = function() {
		1595	// OVERRIDE ME!
		1596	}
		1597
		1598	this.createGradient = function(ctx, element, parentOpacityProp) {
		1599	var stopsContainer = this;
		1600	if (this.getHrefAttribute().hasValue()) {
		1601	stopsContainer = this.getHrefAttribute().getDefinition();
		1602	}
		1603
		1604	var addParentOpacity = function (color) {
		1605	if (parentOpacityProp.hasValue()) {
		1606	var p = new svg.Property('color', color);
		1607	return p.addOpacity(parentOpacityProp.value).value;
		1608	}
		1609	return color;
		1610	};
		1611
		1612	var g = this.getGradient(ctx, element);
		1613	if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color);
		1614	for (var i=0; i<stopsContainer.stops.length; i++) {
		1615	g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color));
		1616	}
		1617
		1618	if (this.attribute('gradientTransform').hasValue()) {
		1619	// render as transformed pattern on temporary canvas
		1620	var rootView = svg.ViewPort.viewPorts[0];
		1621
		1622	var rect = new svg.Element.rect();
		1623	rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
		1624	rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
		1625	rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
		1626	rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
		1627
		1628	var group = new svg.Element.g();
		1629	group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
		1630	group.children = [ rect ];
		1631
		1632	var tempSvg = new svg.Element.svg();
		1633	tempSvg.attributes['x'] = new svg.Property('x', 0);
		1634	tempSvg.attributes['y'] = new svg.Property('y', 0);
		1635	tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
		1636	tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
		1637	tempSvg.children = [ group ];
		1638
		1639	var c = document.createElement('canvas');
		1640	c.width = rootView.width;
		1641	c.height = rootView.height;
		1642	var tempCtx = c.getContext('2d');
		1643	tempCtx.fillStyle = g;
		1644	tempSvg.render(tempCtx);
		1645	return tempCtx.createPattern(c, 'no-repeat');
		1646	}
		1647
		1648	return g;
		1649	}
		1650	}
		1651	svg.Element.GradientBase.prototype = new svg.Element.ElementBase;
		1652
		1653	// linear gradient element
		1654	svg.Element.linearGradient = function(node) {
		1655	this.base = svg.Element.GradientBase;
		1656	this.base(node);
		1657
		1658	this.getGradient = function(ctx, element) {
		1659	var bb = element.getBoundingBox();
		1660
		1661	if (!this.attribute('x1').hasValue()
		1662	&& !this.attribute('y1').hasValue()
		1663	&& !this.attribute('x2').hasValue()
		1664	&& !this.attribute('y2').hasValue()) {
		1665	this.attribute('x1', true).value = 0;
		1666	this.attribute('y1', true).value = 0;
		1667	this.attribute('x2', true).value = 1;
		1668	this.attribute('y2', true).value = 0;
		1669	}
		1670
		1671	var x1 = (this.gradientUnits == 'objectBoundingBox'
		1672	? bb.x() + bb.width() * this.attribute('x1').numValue()
		1673	: this.attribute('x1').toPixels('x'));
		1674	var y1 = (this.gradientUnits == 'objectBoundingBox'
		1675	? bb.y() + bb.height() * this.attribute('y1').numValue()
		1676	: this.attribute('y1').toPixels('y'));
		1677	var x2 = (this.gradientUnits == 'objectBoundingBox'
		1678	? bb.x() + bb.width() * this.attribute('x2').numValue()
		1679	: this.attribute('x2').toPixels('x'));
		1680	var y2 = (this.gradientUnits == 'objectBoundingBox'
		1681	? bb.y() + bb.height() * this.attribute('y2').numValue()
		1682	: this.attribute('y2').toPixels('y'));
		1683
		1684	if (x1 == x2 && y1 == y2) return null;
		1685	return ctx.createLinearGradient(x1, y1, x2, y2);
		1686	}
		1687	}
		1688	svg.Element.linearGradient.prototype = new svg.Element.GradientBase;
		1689
		1690	// radial gradient element
		1691	svg.Element.radialGradient = function(node) {
		1692	this.base = svg.Element.GradientBase;
		1693	this.base(node);
		1694
		1695	this.getGradient = function(ctx, element) {
		1696	var bb = element.getBoundingBox();
		1697
		1698	if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
		1699	if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
		1700	if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
		1701
		1702	var cx = (this.gradientUnits == 'objectBoundingBox'
		1703	? bb.x() + bb.width() * this.attribute('cx').numValue()
		1704	: this.attribute('cx').toPixels('x'));
		1705	var cy = (this.gradientUnits == 'objectBoundingBox'
		1706	? bb.y() + bb.height() * this.attribute('cy').numValue()
		1707	: this.attribute('cy').toPixels('y'));
		1708
		1709	var fx = cx;
		1710	var fy = cy;
		1711	if (this.attribute('fx').hasValue()) {
		1712	fx = (this.gradientUnits == 'objectBoundingBox'
		1713	? bb.x() + bb.width() * this.attribute('fx').numValue()
		1714	: this.attribute('fx').toPixels('x'));
		1715	}
		1716	if (this.attribute('fy').hasValue()) {
		1717	fy = (this.gradientUnits == 'objectBoundingBox'
		1718	? bb.y() + bb.height() * this.attribute('fy').numValue()
		1719	: this.attribute('fy').toPixels('y'));
		1720	}
		1721
		1722	var r = (this.gradientUnits == 'objectBoundingBox'
		1723	? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue()
		1724	: this.attribute('r').toPixels());
		1725
		1726	return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
		1727	}
		1728	}
		1729	svg.Element.radialGradient.prototype = new svg.Element.GradientBase;
		1730
		1731	// gradient stop element
		1732	svg.Element.stop = function(node) {
		1733	this.base = svg.Element.ElementBase;
		1734	this.base(node);
		1735
		1736	this.offset = this.attribute('offset').numValue();
		1737	if (this.offset < 0) this.offset = 0;
		1738	if (this.offset > 1) this.offset = 1;
		1739
		1740	var stopColor = this.style('stop-color');
		1741	if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity').value);
		1742	this.color = stopColor.value;
		1743	}
		1744	svg.Element.stop.prototype = new svg.Element.ElementBase;
		1745
		1746	// animation base element
		1747	svg.Element.AnimateBase = function(node) {
		1748	this.base = svg.Element.ElementBase;
		1749	this.base(node);
		1750
		1751	svg.Animations.push(this);
		1752
		1753	this.duration = 0.0;
		1754	this.begin = this.attribute('begin').toMilliseconds();
		1755	this.maxDuration = this.begin + this.attribute('dur').toMilliseconds();
		1756
		1757	this.getProperty = function() {
		1758	var attributeType = this.attribute('attributeType').value;
		1759	var attributeName = this.attribute('attributeName').value;
		1760
		1761	if (attributeType == 'CSS') {
		1762	return this.parent.style(attributeName, true);
		1763	}
		1764	return this.parent.attribute(attributeName, true);
		1765	};
		1766
		1767	this.initialValue = null;
		1768	this.initialUnits = '';
		1769	this.removed = false;
		1770
		1771	this.calcValue = function() {
		1772	// OVERRIDE ME!
		1773	return '';
		1774	}
		1775
		1776	this.update = function(delta) {
		1777	// set initial value
		1778	if (this.initialValue == null) {
		1779	this.initialValue = this.getProperty().value;
		1780	this.initialUnits = this.getProperty().getUnits();
		1781	}
		1782
		1783	// if we're past the end time
		1784	if (this.duration > this.maxDuration) {
		1785	// loop for indefinitely repeating animations
		1786	if (this.attribute('repeatCount').value == 'indefinite'
		1787	\|\| this.attribute('repeatDur').value == 'indefinite') {
		1788	this.duration = 0.0
		1789	}
		1790	else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
		1791	this.removed = true;
		1792	this.getProperty().value = this.initialValue;
		1793	return true;
		1794	}
		1795	else {
		1796	return false; // no updates made
		1797	}
		1798	}
		1799	this.duration = this.duration + delta;
		1800
		1801	// if we're past the begin time
		1802	var updated = false;
		1803	if (this.begin < this.duration) {
		1804	var newValue = this.calcValue(); // tween
		1805
		1806	if (this.attribute('type').hasValue()) {
		1807	// for transform, etc.
		1808	var type = this.attribute('type').value;
		1809	newValue = type + '(' + newValue + ')';
		1810	}
		1811
		1812	this.getProperty().value = newValue;
		1813	updated = true;
		1814	}
		1815
		1816	return updated;
		1817	}
		1818
		1819	this.from = this.attribute('from');
		1820	this.to = this.attribute('to');
		1821	this.values = this.attribute('values');
		1822	if (this.values.hasValue()) this.values.value = this.values.value.split(';');
		1823
		1824	// fraction of duration we've covered
		1825	this.progress = function() {
		1826	var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
		1827	if (this.values.hasValue()) {
		1828	var p = ret.progress * (this.values.value.length - 1);
		1829	var lb = Math.floor(p), ub = Math.ceil(p);
		1830	ret.from = new svg.Property('from', parseFloat(this.values.value[lb]));
		1831	ret.to = new svg.Property('to', parseFloat(this.values.value[ub]));
		1832	ret.progress = (p - lb) / (ub - lb);
		1833	}
		1834	else {
		1835	ret.from = this.from;
		1836	ret.to = this.to;
		1837	}
		1838	return ret;
		1839	}
		1840	}
		1841	svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
		1842
		1843	// animate element
		1844	svg.Element.animate = function(node) {
		1845	this.base = svg.Element.AnimateBase;
		1846	this.base(node);
		1847
		1848	this.calcValue = function() {
		1849	var p = this.progress();
		1850
		1851	// tween value linearly
		1852	var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
		1853	return newValue + this.initialUnits;
		1854	};
		1855	}
		1856	svg.Element.animate.prototype = new svg.Element.AnimateBase;
		1857
		1858	// animate color element
		1859	svg.Element.animateColor = function(node) {
		1860	this.base = svg.Element.AnimateBase;
		1861	this.base(node);
		1862
		1863	this.calcValue = function() {
		1864	var p = this.progress();
		1865	var from = new RGBColor(p.from.value);
		1866	var to = new RGBColor(p.to.value);
		1867
		1868	if (from.ok && to.ok) {
		1869	// tween color linearly
		1870	var r = from.r + (to.r - from.r) * p.progress;
		1871	var g = from.g + (to.g - from.g) * p.progress;
		1872	var b = from.b + (to.b - from.b) * p.progress;
		1873	return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
		1874	}
		1875	return this.attribute('from').value;
		1876	};
		1877	}
		1878	svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
		1879
		1880	// animate transform element
		1881	svg.Element.animateTransform = function(node) {
		1882	this.base = svg.Element.AnimateBase;
		1883	this.base(node);
		1884
		1885	this.calcValue = function() {
		1886	var p = this.progress();
		1887
		1888	// tween value linearly
		1889	var from = svg.ToNumberArray(p.from.value);
		1890	var to = svg.ToNumberArray(p.to.value);
		1891	var newValue = '';
		1892	for (var i=0; i<from.length; i++) {
		1893	newValue += from[i] + (to[i] - from[i]) * p.progress + ' ';
		1894	}
		1895	return newValue;
		1896	};
		1897	}
		1898	svg.Element.animateTransform.prototype = new svg.Element.animate;
		1899
		1900	// font element
		1901	svg.Element.font = function(node) {
		1902	this.base = svg.Element.ElementBase;
		1903	this.base(node);
		1904
		1905	this.horizAdvX = this.attribute('horiz-adv-x').numValue();
		1906
		1907	this.isRTL = false;
		1908	this.isArabic = false;
		1909	this.fontFace = null;
		1910	this.missingGlyph = null;
		1911	this.glyphs = [];
		1912	for (var i=0; i<this.children.length; i++) {
		1913	var child = this.children[i];
		1914	if (child.type == 'font-face') {
		1915	this.fontFace = child;
		1916	if (child.style('font-family').hasValue()) {
		1917	svg.Definitions[child.style('font-family').value] = this;
		1918	}
		1919	}
		1920	else if (child.type == 'missing-glyph') this.missingGlyph = child;
		1921	else if (child.type == 'glyph') {
		1922	if (child.arabicForm != '') {
		1923	this.isRTL = true;
		1924	this.isArabic = true;
		1925	if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = [];
		1926	this.glyphs[child.unicode][child.arabicForm] = child;
		1927	}
		1928	else {
		1929	this.glyphs[child.unicode] = child;
		1930	}
		1931	}
		1932	}
		1933	}
		1934	svg.Element.font.prototype = new svg.Element.ElementBase;
		1935
		1936	// font-face element
		1937	svg.Element.fontface = function(node) {
		1938	this.base = svg.Element.ElementBase;
		1939	this.base(node);
		1940
		1941	this.ascent = this.attribute('ascent').value;
		1942	this.descent = this.attribute('descent').value;
		1943	this.unitsPerEm = this.attribute('units-per-em').numValue();
		1944	}
		1945	svg.Element.fontface.prototype = new svg.Element.ElementBase;
		1946
		1947	// missing-glyph element
		1948	svg.Element.missingglyph = function(node) {
		1949	this.base = svg.Element.path;
		1950	this.base(node);
		1951
		1952	this.horizAdvX = 0;
		1953	}
		1954	svg.Element.missingglyph.prototype = new svg.Element.path;
		1955
		1956	// glyph element
		1957	svg.Element.glyph = function(node) {
		1958	this.base = svg.Element.path;
		1959	this.base(node);
		1960
		1961	this.horizAdvX = this.attribute('horiz-adv-x').numValue();
		1962	this.unicode = this.attribute('unicode').value;
		1963	this.arabicForm = this.attribute('arabic-form').value;
		1964	}
		1965	svg.Element.glyph.prototype = new svg.Element.path;
		1966
		1967	// text element
		1968	svg.Element.text = function(node) {
		1969	this.captureTextNodes = true;
		1970	this.base = svg.Element.RenderedElementBase;
		1971	this.base(node);
		1972
		1973	this.baseSetContext = this.setContext;
		1974	this.setContext = function(ctx) {
		1975	this.baseSetContext(ctx);
		1976	if (this.style('dominant-baseline').hasValue()) ctx.textBaseline = this.style('dominant-baseline').value;
		1977	if (this.style('alignment-baseline').hasValue()) ctx.textBaseline = this.style('alignment-baseline').value;
		1978	}
		1979
		1980	this.getBoundingBox = function () {
		1981	// TODO: implement
		1982	return new svg.BoundingBox(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'), 0, 0);
		1983	}
		1984
		1985	this.renderChildren = function(ctx) {
		1986	this.x = this.attribute('x').toPixels('x');
		1987	this.y = this.attribute('y').toPixels('y');
		1988	this.x += this.getAnchorDelta(ctx, this, 0);
		1989	for (var i=0; i<this.children.length; i++) {
		1990	this.renderChild(ctx, this, i);
		1991	}
		1992	}
		1993
		1994	this.getAnchorDelta = function (ctx, parent, startI) {
		1995	var textAnchor = this.style('text-anchor').valueOrDefault('start');
		1996	if (textAnchor != 'start') {
		1997	var width = 0;
		1998	for (var i=startI; i<parent.children.length; i++) {
		1999	var child = parent.children[i];
		2000	if (i > startI && child.attribute('x').hasValue()) break; // new group
		2001	width += child.measureTextRecursive(ctx);
		2002	}
		2003	return -1 * (textAnchor == 'end' ? width : width / 2.0);
		2004	}
		2005	return 0;
		2006	}
		2007
		2008	this.renderChild = function(ctx, parent, i) {
		2009	var child = parent.children[i];
		2010	if (child.attribute('x').hasValue()) {
		2011	child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i);
		2012	}
		2013	else {
		2014	if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x');
		2015	if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x');
		2016	child.x = this.x;
		2017	}
		2018	this.x = child.x + child.measureText(ctx);
		2019
		2020	if (child.attribute('y').hasValue()) {
		2021	child.y = child.attribute('y').toPixels('y');
		2022	}
		2023	else {
		2024	if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y');
		2025	if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y');
		2026	child.y = this.y;
		2027	}
		2028	this.y = child.y;
		2029
		2030	child.render(ctx);
		2031
		2032	for (var i=0; i<child.children.length; i++) {
		2033	this.renderChild(ctx, child, i);
		2034	}
		2035	}
		2036	}
		2037	svg.Element.text.prototype = new svg.Element.RenderedElementBase;
		2038
		2039	// text base
		2040	svg.Element.TextElementBase = function(node) {
		2041	this.base = svg.Element.RenderedElementBase;
		2042	this.base(node);
		2043
		2044	this.getGlyph = function(font, text, i) {
		2045	var c = text[i];
		2046	var glyph = null;
		2047	if (font.isArabic) {
		2048	var arabicForm = 'isolated';
		2049	if ((i==0 \|\| text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
		2050	if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
		2051	if (i>0 && text[i-1]!=' ' && (i == text.length-1 \|\| text[i+1]==' ')) arabicForm = 'initial';
		2052	if (typeof(font.glyphs[c]) != 'undefined') {
		2053	glyph = font.glyphs[c][arabicForm];
		2054	if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
		2055	}
		2056	}
		2057	else {
		2058	glyph = font.glyphs[c];
		2059	}
		2060	if (glyph == null) glyph = font.missingGlyph;
		2061	return glyph;
		2062	}
		2063
		2064	this.renderChildren = function(ctx) {
		2065	var customFont = this.parent.style('font-family').getDefinition();
		2066	if (customFont != null) {
		2067	var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
		2068	var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
		2069	var text = this.getText();
		2070	if (customFont.isRTL) text = text.split("").reverse().join("");
		2071
		2072	var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
		2073	for (var i=0; i<text.length; i++) {
		2074	var glyph = this.getGlyph(customFont, text, i);
		2075	var scale = fontSize / customFont.fontFace.unitsPerEm;
		2076	ctx.translate(this.x, this.y);
		2077	ctx.scale(scale, -scale);
		2078	var lw = ctx.lineWidth;
		2079	ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
		2080	if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
		2081	glyph.render(ctx);
		2082	if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
		2083	ctx.lineWidth = lw;
		2084	ctx.scale(1/scale, -1/scale);
		2085	ctx.translate(-this.x, -this.y);
		2086
		2087	this.x += fontSize * (glyph.horizAdvX \|\| customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
		2088	if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
		2089	this.x += dx[i];
		2090	}
		2091	}
		2092	return;
		2093	}
		2094
		2095	if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
		2096	if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
		2097	}
		2098
		2099	this.getText = function() {
		2100	// OVERRIDE ME
		2101	}
		2102
		2103	this.measureTextRecursive = function(ctx) {
		2104	var width = this.measureText(ctx);
		2105	for (var i=0; i<this.children.length; i++) {
		2106	width += this.children[i].measureTextRecursive(ctx);
		2107	}
		2108	return width;
		2109	}
		2110
		2111	this.measureText = function(ctx) {
		2112	var customFont = this.parent.style('font-family').getDefinition();
		2113	if (customFont != null) {
		2114	var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
		2115	var measure = 0;
		2116	var text = this.getText();
		2117	if (customFont.isRTL) text = text.split("").reverse().join("");
		2118	var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
		2119	for (var i=0; i<text.length; i++) {
		2120	var glyph = this.getGlyph(customFont, text, i);
		2121	measure += (glyph.horizAdvX \|\| customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
		2122	if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
		2123	measure += dx[i];
		2124	}
		2125	}
		2126	return measure;
		2127	}
		2128
		2129	var textToMeasure = svg.compressSpaces(this.getText());
		2130	if (!ctx.measureText) return textToMeasure.length * 10;
		2131
		2132	ctx.save();
		2133	this.setContext(ctx);
		2134	var width = ctx.measureText(textToMeasure).width;
		2135	ctx.restore();
		2136	return width;
		2137	}
		2138	}
		2139	svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
		2140
		2141	// tspan
		2142	svg.Element.tspan = function(node) {
		2143	this.captureTextNodes = true;
		2144	this.base = svg.Element.TextElementBase;
		2145	this.base(node);
		2146
		2147	this.text = node.nodeValue \|\| node.text \|\| '';
		2148	this.getText = function() {
		2149	return this.text;
		2150	}
		2151	}
		2152	svg.Element.tspan.prototype = new svg.Element.TextElementBase;
		2153
		2154	// tref
		2155	svg.Element.tref = function(node) {
		2156	this.base = svg.Element.TextElementBase;
		2157	this.base(node);
		2158
		2159	this.getText = function() {
		2160	var element = this.getHrefAttribute().getDefinition();
		2161	if (element != null) return element.children[0].getText();
		2162	}
		2163	}
		2164	svg.Element.tref.prototype = new svg.Element.TextElementBase;
		2165
		2166	// a element
		2167	svg.Element.a = function(node) {
		2168	this.base = svg.Element.TextElementBase;
		2169	this.base(node);
		2170
		2171	this.hasText = true;
		2172	for (var i=0; i<node.childNodes.length; i++) {
		2173	if (node.childNodes[i].nodeType != 3) this.hasText = false;
		2174	}
		2175
		2176	// this might contain text
		2177	this.text = this.hasText ? node.childNodes[0].nodeValue : '';
		2178	this.getText = function() {
		2179	return this.text;
		2180	}
		2181
		2182	this.baseRenderChildren = this.renderChildren;
		2183	this.renderChildren = function(ctx) {
		2184	if (this.hasText) {
		2185	// render as text element
		2186	this.baseRenderChildren(ctx);
		2187	var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
		2188	svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
		2189	}
		2190	else {
		2191	// render as temporary group
		2192	var g = new svg.Element.g();
		2193	g.children = this.children;
		2194	g.parent = this;
		2195	g.render(ctx);
		2196	}
		2197	}
		2198
		2199	this.onclick = function() {
		2200	window.open(this.getHrefAttribute().value);
		2201	}
		2202
		2203	this.onmousemove = function() {
		2204	svg.ctx.canvas.style.cursor = 'pointer';
		2205	}
		2206	}
		2207	svg.Element.a.prototype = new svg.Element.TextElementBase;
		2208
		2209	// image element
		2210	svg.Element.image = function(node) {
		2211	this.base = svg.Element.RenderedElementBase;
		2212	this.base(node);
		2213
		2214	var href = this.getHrefAttribute().value;
		2215	var isSvg = href.match(/\.svg$/)
		2216
		2217	svg.Images.push(this);
		2218	this.loaded = false;
		2219	if (!isSvg) {
		2220	this.img = document.createElement('img');
		2221	var self = this;
		2222	this.img.onload = function() { self.loaded = true; }
		2223	this.img.onerror = function() { if (typeof(console) != 'undefined') { console.log('ERROR: image "' + href + '" not found'); self.loaded = true; } }
		2224	this.img.src = href;
		2225	}
		2226	else {
		2227	this.img = svg.ajax(href);
		2228	this.loaded = true;
		2229	}
		2230
		2231	this.renderChildren = function(ctx) {
		2232	var x = this.attribute('x').toPixels('x');
		2233	var y = this.attribute('y').toPixels('y');
		2234
		2235	var width = this.attribute('width').toPixels('x');
		2236	var height = this.attribute('height').toPixels('y');
		2237	if (width == 0 \|\| height == 0) return;
		2238
		2239	ctx.save();
		2240	if (isSvg) {
		2241	ctx.drawSvg(this.img, x, y, width, height);
		2242	}
		2243	else {
		2244	ctx.translate(x, y);
		2245	svg.AspectRatio(ctx,
		2246	this.attribute('preserveAspectRatio').value,
		2247	width,
		2248	this.img.width,
		2249	height,
		2250	this.img.height,
		2251	0,
		2252	0);
		2253	ctx.drawImage(this.img, 0, 0);
		2254	}
		2255	ctx.restore();
		2256	}
		2257
		2258	this.getBoundingBox = function() {
		2259	var x = this.attribute('x').toPixels('x');
		2260	var y = this.attribute('y').toPixels('y');
		2261	var width = this.attribute('width').toPixels('x');
		2262	var height = this.attribute('height').toPixels('y');
		2263	return new svg.BoundingBox(x, y, x + width, y + height);
		2264	}
		2265	}
		2266	svg.Element.image.prototype = new svg.Element.RenderedElementBase;
		2267
		2268	// group element
		2269	svg.Element.g = function(node) {
		2270	this.base = svg.Element.RenderedElementBase;
		2271	this.base(node);
		2272
		2273	this.getBoundingBox = function() {
		2274	var bb = new svg.BoundingBox();
		2275	for (var i=0; i<this.children.length; i++) {
		2276	bb.addBoundingBox(this.children[i].getBoundingBox());
		2277	}
		2278	return bb;
		2279	};
		2280	}
		2281	svg.Element.g.prototype = new svg.Element.RenderedElementBase;
		2282
		2283	// symbol element
		2284	svg.Element.symbol = function(node) {
		2285	this.base = svg.Element.RenderedElementBase;
		2286	this.base(node);
		2287
		2288	this.baseSetContext = this.setContext;
		2289	this.setContext = function(ctx) {
		2290	this.baseSetContext(ctx);
		2291
		2292	// viewbox
		2293	if (this.attribute('viewBox').hasValue()) {
		2294	var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
		2295	var minX = viewBox[0];
		2296	var minY = viewBox[1];
		2297	width = viewBox[2];
		2298	height = viewBox[3];
		2299
		2300	svg.AspectRatio(ctx,
		2301	this.attribute('preserveAspectRatio').value,
		2302	this.attribute('width').toPixels('x'),
		2303	width,
		2304	this.attribute('height').toPixels('y'),
		2305	height,
		2306	minX,
		2307	minY);
		2308
		2309	svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
		2310	}
		2311	}
		2312	}
		2313	svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
		2314
		2315	// style element
		2316	svg.Element.style = function(node) {
		2317	this.base = svg.Element.ElementBase;
		2318	this.base(node);
		2319
		2320	// text, or spaces then CDATA
		2321	var css = ''
		2322	for (var i=0; i<node.childNodes.length; i++) {
		2323	css += node.childNodes[i].nodeValue;
		2324	}
		2325	css = css.replace(/(\/\([^]\|[\r\n]\|(\+([^\/]\|[\r\n])))\+\/)\|(^[\s]\/\/.)/gm, ''); // remove comments
		2326	css = svg.compressSpaces(css); // replace whitespace
		2327	var cssDefs = css.split('}');
		2328	for (var i=0; i<cssDefs.length; i++) {
		2329	if (svg.trim(cssDefs[i]) != '') {
		2330	var cssDef = cssDefs[i].split('{');
		2331	var cssClasses = cssDef[0].split(',');
		2332	var cssProps = cssDef[1].split(';');
		2333	for (var j=0; j<cssClasses.length; j++) {
		2334	var cssClass = svg.trim(cssClasses[j]);
		2335	if (cssClass != '') {
		2336	var props = {};
		2337	for (var k=0; k<cssProps.length; k++) {
		2338	var prop = cssProps[k].indexOf(':');
		2339	var name = cssProps[k].substr(0, prop);
		2340	var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
		2341	if (name != null && value != null) {
		2342	props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
		2343	}
		2344	}
		2345	svg.Styles[cssClass] = props;
		2346	if (cssClass == '@font-face') {
		2347	var fontFamily = props['font-family'].value.replace(/"/g,'');
		2348	var srcs = props['src'].value.split(',');
		2349	for (var s=0; s<srcs.length; s++) {
		2350	if (srcs[s].indexOf('format("svg")') > 0) {
		2351	var urlStart = srcs[s].indexOf('url');
		2352	var urlEnd = srcs[s].indexOf(')', urlStart);
		2353	var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
		2354	var doc = svg.parseXml(svg.ajax(url));
		2355	var fonts = doc.getElementsByTagName('font');
		2356	for (var f=0; f<fonts.length; f++) {
		2357	var font = svg.CreateElement(fonts[f]);
		2358	svg.Definitions[fontFamily] = font;
		2359	}
		2360	}
		2361	}
		2362	}
		2363	}
		2364	}
		2365	}
		2366	}
		2367	}
		2368	svg.Element.style.prototype = new svg.Element.ElementBase;
		2369
		2370	// use element
		2371	svg.Element.use = function(node) {
		2372	this.base = svg.Element.RenderedElementBase;
		2373	this.base(node);
		2374
		2375	this.baseSetContext = this.setContext;
		2376	this.setContext = function(ctx) {
		2377	this.baseSetContext(ctx);
		2378	if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
		2379	if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
		2380	}
		2381
		2382	this.getDefinition = function() {
		2383	var element = this.getHrefAttribute().getDefinition();
		2384	if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value;
		2385	if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value;
		2386	return element;
		2387	}
		2388
		2389	this.path = function(ctx) {
		2390	var element = this.getDefinition();
		2391	if (element != null) element.path(ctx);
		2392	}
		2393
		2394	this.getBoundingBox = function() {
		2395	var element = this.getDefinition();
		2396	if (element != null) return element.getBoundingBox();
		2397	}
		2398
		2399	this.renderChildren = function(ctx) {
		2400	var element = this.getDefinition();
		2401	if (element != null) {
		2402	// temporarily detach from parent and render
		2403	var oldParent = element.parent;
		2404	element.parent = null;
		2405	element.render(ctx);
		2406	element.parent = oldParent;
		2407	}
		2408	}
		2409	}
		2410	svg.Element.use.prototype = new svg.Element.RenderedElementBase;
		2411
		2412	// mask element
		2413	svg.Element.mask = function(node) {
		2414	this.base = svg.Element.ElementBase;
		2415	this.base(node);
		2416
		2417	this.apply = function(ctx, element) {
		2418	// render as temp svg
		2419	var x = this.attribute('x').toPixels('x');
		2420	var y = this.attribute('y').toPixels('y');
		2421	var width = this.attribute('width').toPixels('x');
		2422	var height = this.attribute('height').toPixels('y');
		2423
		2424	if (width == 0 && height == 0) {
		2425	var bb = new svg.BoundingBox();
		2426	for (var i=0; i<this.children.length; i++) {
		2427	bb.addBoundingBox(this.children[i].getBoundingBox());
		2428	}
		2429	var x = Math.floor(bb.x1);
		2430	var y = Math.floor(bb.y1);
		2431	var width = Math.floor(bb.width());
		2432	var height = Math.floor(bb.height());
		2433	}
		2434
		2435	// temporarily remove mask to avoid recursion
		2436	var mask = element.attribute('mask').value;
		2437	element.attribute('mask').value = '';
		2438
		2439	var cMask = document.createElement('canvas');
		2440	cMask.width = x + width;
		2441	cMask.height = y + height;
		2442	var maskCtx = cMask.getContext('2d');
		2443	this.renderChildren(maskCtx);
		2444
		2445	var c = document.createElement('canvas');
		2446	c.width = x + width;
		2447	c.height = y + height;
		2448	var tempCtx = c.getContext('2d');
		2449	element.render(tempCtx);
		2450	tempCtx.globalCompositeOperation = 'destination-in';
		2451	tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
		2452	tempCtx.fillRect(0, 0, x + width, y + height);
		2453
		2454	ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
		2455	ctx.fillRect(0, 0, x + width, y + height);
		2456
		2457	// reassign mask
		2458	element.attribute('mask').value = mask;
		2459	}
		2460
		2461	this.render = function(ctx) {
		2462	// NO RENDER
		2463	}
		2464	}
		2465	svg.Element.mask.prototype = new svg.Element.ElementBase;
		2466
		2467	// clip element
		2468	svg.Element.clipPath = function(node) {
		2469	this.base = svg.Element.ElementBase;
		2470	this.base(node);
		2471
		2472	this.apply = function(ctx) {
		2473	for (var i=0; i<this.children.length; i++) {
		2474	var child = this.children[i];
		2475	if (typeof(child.path) != 'undefined') {
		2476	var transform = null;
		2477	if (child.attribute('transform').hasValue()) {
		2478	transform = new svg.Transform(child.attribute('transform').value);
		2479	transform.apply(ctx);
		2480	}
		2481	child.path(ctx);
		2482	ctx.clip();
		2483	if (transform) { transform.unapply(ctx); }
		2484	}
		2485	}
		2486	}
		2487
		2488	this.render = function(ctx) {
		2489	// NO RENDER
		2490	}
		2491	}
		2492	svg.Element.clipPath.prototype = new svg.Element.ElementBase;
		2493
		2494	// filters
		2495	svg.Element.filter = function(node) {
		2496	this.base = svg.Element.ElementBase;
		2497	this.base(node);
		2498
		2499	this.apply = function(ctx, element) {
		2500	// render as temp svg
		2501	var bb = element.getBoundingBox();
		2502	var x = Math.floor(bb.x1);
		2503	var y = Math.floor(bb.y1);
		2504	var width = Math.floor(bb.width());
		2505	var height = Math.floor(bb.height());
		2506
		2507	// temporarily remove filter to avoid recursion
		2508	var filter = element.style('filter').value;
		2509	element.style('filter').value = '';
		2510
		2511	var px = 0, py = 0;
		2512	for (var i=0; i<this.children.length; i++) {
		2513	var efd = this.children[i].extraFilterDistance \|\| 0;
		2514	px = Math.max(px, efd);
		2515	py = Math.max(py, efd);
		2516	}
		2517
		2518	var c = document.createElement('canvas');
		2519	c.width = width + 2*px;
		2520	c.height = height + 2*py;
		2521	var tempCtx = c.getContext('2d');
		2522	tempCtx.translate(-x + px, -y + py);
		2523	element.render(tempCtx);
		2524
		2525	// apply filters
		2526	for (var i=0; i<this.children.length; i++) {
		2527	this.children[i].apply(tempCtx, 0, 0, width + 2px, height + 2py);
		2528	}
		2529
		2530	// render on me
		2531	ctx.drawImage(c, 0, 0, width + 2px, height + 2py, x - px, y - py, width + 2px, height + 2py);
		2532
		2533	// reassign filter
		2534	element.style('filter', true).value = filter;
		2535	}
		2536
		2537	this.render = function(ctx) {
		2538	// NO RENDER
		2539	}
		2540	}
		2541	svg.Element.filter.prototype = new svg.Element.ElementBase;
		2542
		2543	svg.Element.feMorphology = function(node) {
		2544	this.base = svg.Element.ElementBase;
		2545	this.base(node);
		2546
		2547	this.apply = function(ctx, x, y, width, height) {
		2548	// TODO: implement
		2549	}
		2550	}
		2551	svg.Element.feMorphology.prototype = new svg.Element.ElementBase;
		2552
		2553	svg.Element.feColorMatrix = function(node) {
		2554	this.base = svg.Element.ElementBase;
		2555	this.base(node);
		2556
		2557	function imGet(img, x, y, width, height, rgba) {
		2558	return img[ywidth4 + x*4 + rgba];
		2559	}
		2560
		2561	function imSet(img, x, y, width, height, rgba, val) {
		2562	img[ywidth4 + x*4 + rgba] = val;
		2563	}
		2564
		2565	this.apply = function(ctx, x, y, width, height) {
		2566	// only supporting grayscale for now per Issue 195, need to extend to all matrix
		2567	// assuming x==0 && y==0 for now
		2568	var srcData = ctx.getImageData(0, 0, width, height);
		2569	for (var y = 0; y < height; y++) {
		2570	for (var x = 0; x < width; x++) {
		2571	var r = imGet(srcData.data, x, y, width, height, 0);
		2572	var g = imGet(srcData.data, x, y, width, height, 1);
		2573	var b = imGet(srcData.data, x, y, width, height, 2);
		2574	var gray = (r + g + b) / 3;
		2575	imSet(srcData.data, x, y, width, height, 0, gray);
		2576	imSet(srcData.data, x, y, width, height, 1, gray);
		2577	imSet(srcData.data, x, y, width, height, 2, gray);
		2578	}
		2579	}
		2580	ctx.clearRect(0, 0, width, height);
		2581	ctx.putImageData(srcData, 0, 0);
		2582	}
		2583	}
		2584	svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase;
		2585
		2586	svg.Element.feGaussianBlur = function(node) {
		2587	this.base = svg.Element.ElementBase;
		2588	this.base(node);
		2589
		2590	this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue());
		2591	this.extraFilterDistance = this.blurRadius;
		2592
		2593	this.apply = function(ctx, x, y, width, height) {
		2594	if (typeof(stackBlurCanvasRGBA) == 'undefined') {
		2595	if (typeof(console) != 'undefined') { console.log('ERROR: StackBlur.js must be included for blur to work'); }
		2596	return;
		2597	}
		2598
		2599	// StackBlur requires canvas be on document
		2600	ctx.canvas.id = svg.UniqueId();
		2601	ctx.canvas.style.display = 'none';
		2602	document.body.appendChild(ctx.canvas);
		2603	stackBlurCanvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius);
		2604	document.body.removeChild(ctx.canvas);
		2605	}
		2606	}
		2607	svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase;
		2608
		2609	// title element, do nothing
		2610	svg.Element.title = function(node) {
		2611	}
		2612	svg.Element.title.prototype = new svg.Element.ElementBase;
		2613
		2614	// desc element, do nothing
		2615	svg.Element.desc = function(node) {
		2616	}
		2617	svg.Element.desc.prototype = new svg.Element.ElementBase;
		2618
		2619	svg.Element.MISSING = function(node) {
		2620	if (typeof(console) != 'undefined') { console.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.'); }
		2621	}
		2622	svg.Element.MISSING.prototype = new svg.Element.ElementBase;
		2623
		2624	// element factory
		2625	svg.CreateElement = function(node) {
		2626	var className = node.nodeName.replace(/^[^:]+:/,''); // remove namespace
		2627	className = className.replace(/\-/g,''); // remove dashes
		2628	var e = null;
		2629	if (typeof(svg.Element[className]) != 'undefined') {
		2630	e = new svg.Element[className](node);
		2631	}
		2632	else {
		2633	e = new svg.Element.MISSING(node);
		2634	}
		2635
		2636	e.type = node.nodeName;
		2637	return e;
		2638	}
		2639
		2640	// load from url
		2641	svg.load = function(ctx, url) {
		2642	svg.loadXml(ctx, svg.ajax(url));
		2643	}
		2644
		2645	// load from xml
		2646	svg.loadXml = function(ctx, xml) {
		2647	svg.loadXmlDoc(ctx, svg.parseXml(xml));
		2648	}
		2649
		2650	svg.loadXmlDoc = function(ctx, dom) {
		2651	svg.init(ctx);
		2652
		2653	var mapXY = function(p) {
		2654	var e = ctx.canvas;
		2655	while (e) {
		2656	p.x -= e.offsetLeft;
		2657	p.y -= e.offsetTop;
		2658	e = e.offsetParent;
		2659	}
		2660	if (window.scrollX) p.x += window.scrollX;
		2661	if (window.scrollY) p.y += window.scrollY;
		2662	return p;
		2663	}
		2664
		2665	// bind mouse
		2666	if (svg.opts['ignoreMouse'] != true) {
		2667	ctx.canvas.onclick = function(e) {
		2668	var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
		2669	svg.Mouse.onclick(p.x, p.y);
		2670	};
		2671	ctx.canvas.onmousemove = function(e) {
		2672	var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
		2673	svg.Mouse.onmousemove(p.x, p.y);
		2674	};
		2675	}
		2676
		2677	var e = svg.CreateElement(dom.documentElement);
		2678	e.root = true;
		2679
		2680	// render loop
		2681	var isFirstRender = true;
		2682	var draw = function() {
		2683	svg.ViewPort.Clear();
		2684	if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
		2685
		2686	if (svg.opts['ignoreDimensions'] != true) {
		2687	// set canvas size
		2688	if (e.style('width').hasValue()) {
		2689	ctx.canvas.width = e.style('width').toPixels('x');
		2690	ctx.canvas.style.width = ctx.canvas.width + 'px';
		2691	}
		2692	if (e.style('height').hasValue()) {
		2693	ctx.canvas.height = e.style('height').toPixels('y');
		2694	ctx.canvas.style.height = ctx.canvas.height + 'px';
		2695	}
		2696	}
		2697	var cWidth = ctx.canvas.clientWidth \|\| ctx.canvas.width;
		2698	var cHeight = ctx.canvas.clientHeight \|\| ctx.canvas.height;
		2699	if (svg.opts['ignoreDimensions'] == true && e.style('width').hasValue() && e.style('height').hasValue()) {
		2700	cWidth = e.style('width').toPixels('x');
		2701	cHeight = e.style('height').toPixels('y');
		2702	}
		2703	svg.ViewPort.SetCurrent(cWidth, cHeight);
		2704
		2705	if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
		2706	if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
		2707	if (svg.opts['scaleWidth'] != null && svg.opts['scaleHeight'] != null) {
		2708	var xRatio = 1, yRatio = 1, viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
		2709	if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth'];
		2710	else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth'];
		2711	if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight'];
		2712	else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight'];
		2713
		2714	e.attribute('width', true).value = svg.opts['scaleWidth'];
		2715	e.attribute('height', true).value = svg.opts['scaleHeight'];
		2716	e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio);
		2717	e.attribute('preserveAspectRatio', true).value = 'none';
		2718	}
		2719
		2720	// clear and render
		2721	if (svg.opts['ignoreClear'] != true) {
		2722	ctx.clearRect(0, 0, cWidth, cHeight);
		2723	}
		2724	e.render(ctx);
		2725	if (isFirstRender) {
		2726	isFirstRender = false;
		2727	if (typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback'](dom);
		2728	}
		2729	}
		2730
		2731	var waitingForImages = true;
		2732	if (svg.ImagesLoaded()) {
		2733	waitingForImages = false;
		2734	draw();
		2735	}
		2736	svg.intervalID = setInterval(function() {
		2737	var needUpdate = false;
		2738
		2739	if (waitingForImages && svg.ImagesLoaded()) {
		2740	waitingForImages = false;
		2741	needUpdate = true;
		2742	}
		2743
		2744	// need update from mouse events?
		2745	if (svg.opts['ignoreMouse'] != true) {
		2746	needUpdate = needUpdate \| svg.Mouse.hasEvents();
		2747	}
		2748
		2749	// need update from animations?
		2750	if (svg.opts['ignoreAnimation'] != true) {
		2751	for (var i=0; i<svg.Animations.length; i++) {
		2752	needUpdate = needUpdate \| svg.Animations[i].update(1000 / svg.FRAMERATE);
		2753	}
		2754	}
		2755
		2756	// need update from redraw?
		2757	if (typeof(svg.opts['forceRedraw']) == 'function') {
		2758	if (svg.opts['forceRedraw']() == true) needUpdate = true;
		2759	}
		2760
		2761	// render if needed
		2762	if (needUpdate) {
		2763	draw();
		2764	svg.Mouse.runEvents(); // run and clear our events
		2765	}
		2766	}, 1000 / svg.FRAMERATE);
		2767	}
		2768
		2769	svg.stop = function() {
		2770	if (svg.intervalID) {
		2771	clearInterval(svg.intervalID);
		2772	}
		2773	}
		2774
		2775	svg.Mouse = new (function() {
		2776	this.events = [];
		2777	this.hasEvents = function() { return this.events.length != 0; }
		2778
		2779	this.onclick = function(x, y) {
		2780	this.events.push({ type: 'onclick', x: x, y: y,
		2781	run: function(e) { if (e.onclick) e.onclick(); }
		2782	});
		2783	}
		2784
		2785	this.onmousemove = function(x, y) {
		2786	this.events.push({ type: 'onmousemove', x: x, y: y,
		2787	run: function(e) { if (e.onmousemove) e.onmousemove(); }
		2788	});
		2789	}
		2790
		2791	this.eventElements = [];
		2792
		2793	this.checkPath = function(element, ctx) {
		2794	for (var i=0; i<this.events.length; i++) {
		2795	var e = this.events[i];
		2796	if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
		2797	}
		2798	}
		2799
		2800	this.checkBoundingBox = function(element, bb) {
		2801	for (var i=0; i<this.events.length; i++) {
		2802	var e = this.events[i];
		2803	if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
		2804	}
		2805	}
		2806
		2807	this.runEvents = function() {
		2808	svg.ctx.canvas.style.cursor = '';
		2809
		2810	for (var i=0; i<this.events.length; i++) {
		2811	var e = this.events[i];
		2812	var element = this.eventElements[i];
		2813	while (element) {
		2814	e.run(element);
		2815	element = element.parent;
		2816	}
		2817	}
		2818
		2819	// done running, clear
		2820	this.events = [];
		2821	this.eventElements = [];
		2822	}
		2823	});
		2824
		2825	return svg;
		2826	}
		2827	})();
		2828
		2829	if (typeof(CanvasRenderingContext2D) != 'undefined') {
		2830	CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
		2831	canvg(this.canvas, s, {
		2832	ignoreMouse: true,
		2833	ignoreAnimation: true,
		2834	ignoreDimensions: true,
		2835	ignoreClear: true,
		2836	offsetX: dx,
		2837	offsetY: dy,
		2838	scaleWidth: dw,
		2839	scaleHeight: dh
		2840	});
		2841	}
		2842	}

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(root)/DOCUMENTOS E ANALISE/telas/assets/global/plugins/amcharts/amcharts/exporting/canvg.js - Rev 1