|
@@ -0,0 +1,1774 @@
|
|
|
|
+/*
|
|
|
|
+ * canvg.js - Javascript SVG parser and renderer on Canvas
|
|
|
|
+ * MIT Licensed
|
|
|
|
+ * Gabe Lerner (gabelerner@gmail.com)
|
|
|
|
+ * http://code.google.com/p/canvg/
|
|
|
|
+ *
|
|
|
|
+ * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
|
|
|
|
+ */
|
|
|
|
+if(!window.console) {
|
|
|
|
+ window.console = {};
|
|
|
|
+ window.console.log = function(str) {};
|
|
|
|
+ window.console.dir = function(str) {};
|
|
|
|
+}
|
|
|
|
+(function(){
|
|
|
|
+ // canvg(target, s)
|
|
|
|
+ // target: canvas element or the id of a canvas element
|
|
|
|
+ // s: svg string or url to svg file
|
|
|
|
+ this.canvg = function (target, s) {
|
|
|
|
+ if (typeof target == 'string') {
|
|
|
|
+ target = document.getElementById(target);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // reuse class per canvas
|
|
|
|
+ var svg;
|
|
|
|
+ if (target.svg == null) {
|
|
|
|
+ svg = build();
|
|
|
|
+ target.svg = svg;
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
|
|
+ svg = target.svg;
|
|
|
|
+ svg.stop();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var ctx = target.getContext('2d');
|
|
|
|
+ if (s.substr(0,1) == '<') {
|
|
|
|
+ // load from xml string
|
|
|
|
+ svg.loadXml(ctx, s);
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
|
|
+ // load from url
|
|
|
|
+ svg.load(ctx, s);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ function build() {
|
|
|
|
+ var svg = {};
|
|
|
|
+
|
|
|
|
+ svg.FRAMERATE = 30;
|
|
|
|
+
|
|
|
|
+ // globals
|
|
|
|
+ svg.init = function(ctx) {
|
|
|
|
+ svg.Definitions = {};
|
|
|
|
+ svg.Styles = {};
|
|
|
|
+ svg.Animations = [];
|
|
|
|
+ svg.ctx = ctx;
|
|
|
|
+ svg.ViewPort = new (function () {
|
|
|
|
+ this.viewPorts = [];
|
|
|
|
+ this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
|
|
|
|
+ this.RemoveCurrent = function() { this.viewPorts.pop(); }
|
|
|
|
+ this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
|
|
|
|
+ this.width = function() { return this.Current().width; }
|
|
|
|
+ this.height = function() { return this.Current().height; }
|
|
|
|
+ this.ComputeSize = function(d) {
|
|
|
|
+ if (d != null && typeof(d) == 'number') return d;
|
|
|
|
+ if (d == 'x') return this.width();
|
|
|
|
+ if (d == 'y') return this.height();
|
|
|
|
+ return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
|
|
|
|
+ }
|
|
|
|
+ });
|
|
|
|
+ }
|
|
|
|
+ svg.init();
|
|
|
|
+
|
|
|
|
+ // trim
|
|
|
|
+ svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); }
|
|
|
|
+
|
|
|
|
+ // compress spaces
|
|
|
|
+ svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
|
|
|
|
+
|
|
|
|
+ // ajax
|
|
|
|
+ svg.ajax = function(url) {
|
|
|
|
+ var AJAX;
|
|
|
|
+ if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();}
|
|
|
|
+ else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
|
|
|
|
+ if(AJAX){
|
|
|
|
+ AJAX.open('GET',url,false);
|
|
|
|
+ AJAX.send(null);
|
|
|
|
+ return AJAX.responseText;
|
|
|
|
+ }
|
|
|
|
+ return null;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // parse xml
|
|
|
|
+ svg.parseXml = function(xml) {
|
|
|
|
+ if (window.DOMParser)
|
|
|
|
+ {
|
|
|
|
+ var parser = new DOMParser();
|
|
|
|
+ return parser.parseFromString(xml, 'text/xml');
|
|
|
|
+ }
|
|
|
|
+ else
|
|
|
|
+ {
|
|
|
|
+ xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
|
|
|
|
+ var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
|
|
|
|
+ xmlDoc.async = 'false';
|
|
|
|
+ xmlDoc.loadXML(xml);
|
|
|
|
+ return xmlDoc;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ svg.Property = function(name, value) {
|
|
|
|
+ this.name = name;
|
|
|
|
+ this.value = value;
|
|
|
|
+
|
|
|
|
+ this.hasValue = function() {
|
|
|
|
+ return (this.value != null && this.value != '');
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // return the numerical value of the property
|
|
|
|
+ this.numValue = function() {
|
|
|
|
+ if (!this.hasValue()) return 0;
|
|
|
|
+
|
|
|
|
+ var n = parseFloat(this.value);
|
|
|
|
+ if ((this.value + '').match(/%$/)) {
|
|
|
|
+ n = n / 100.0;
|
|
|
|
+ }
|
|
|
|
+ return n;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.valueOrDefault = function(def) {
|
|
|
|
+ if (this.hasValue()) return this.value;
|
|
|
|
+ return def;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.numValueOrDefault = function(def) {
|
|
|
|
+ if (this.hasValue()) return this.numValue();
|
|
|
|
+ return def;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /* EXTENSIONS */
|
|
|
|
+ var that = this;
|
|
|
|
+
|
|
|
|
+ // color extensions
|
|
|
|
+ this.Color = {
|
|
|
|
+ // augment the current color value with the opacity
|
|
|
|
+ addOpacity: function(opacity) {
|
|
|
|
+ var newValue = that.value;
|
|
|
|
+ if (opacity != null && opacity != '') {
|
|
|
|
+ var color = new RGBColor(that.value);
|
|
|
|
+ if (color.ok) {
|
|
|
|
+ newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacity + ')';
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ return new svg.Property(that.name, newValue);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // definition extensions
|
|
|
|
+ this.Definition = {
|
|
|
|
+ // get the definition from the definitions table
|
|
|
|
+ getDefinition: function() {
|
|
|
|
+ var name = that.value.replace(/^(url\()?#([^\)]+)\)?$/, '$2');
|
|
|
|
+ return svg.Definitions[name];
|
|
|
|
+ },
|
|
|
|
+
|
|
|
|
+ isUrl: function() {
|
|
|
|
+ return that.value.indexOf('url(') == 0
|
|
|
|
+ },
|
|
|
|
+
|
|
|
|
+ getFillStyle: function(e) {
|
|
|
|
+ var def = this.getDefinition();
|
|
|
|
+
|
|
|
|
+ // gradient
|
|
|
|
+ if (def != null && def.createGradient) {
|
|
|
|
+ return def.createGradient(svg.ctx, e);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // pattern
|
|
|
|
+ if (def != null && def.createPattern) {
|
|
|
|
+ return def.createPattern(svg.ctx, e);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return null;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // length extensions
|
|
|
|
+ this.Length = {
|
|
|
|
+ DPI: function(viewPort) {
|
|
|
|
+ return 96.0; // TODO: compute?
|
|
|
|
+ },
|
|
|
|
+
|
|
|
|
+ EM: function(viewPort) {
|
|
|
|
+ var em = 12;
|
|
|
|
+
|
|
|
|
+ var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
|
|
|
|
+ if (fontSize.hasValue()) em = fontSize.Length.toPixels(viewPort);
|
|
|
|
+
|
|
|
|
+ return em;
|
|
|
|
+ },
|
|
|
|
+
|
|
|
|
+ // get the length as pixels
|
|
|
|
+ toPixels: function(viewPort) {
|
|
|
|
+ if (!that.hasValue()) return 0;
|
|
|
|
+ var s = that.value+'';
|
|
|
|
+ if (s.match(/em$/)) return that.numValue() * this.EM(viewPort);
|
|
|
|
+ if (s.match(/ex$/)) return that.numValue() * this.EM(viewPort) / 2.0;
|
|
|
|
+ if (s.match(/px$/)) return that.numValue();
|
|
|
|
+ if (s.match(/pt$/)) return that.numValue() * 1.25;
|
|
|
|
+ if (s.match(/pc$/)) return that.numValue() * 15;
|
|
|
|
+ if (s.match(/cm$/)) return that.numValue() * this.DPI(viewPort) / 2.54;
|
|
|
|
+ if (s.match(/mm$/)) return that.numValue() * this.DPI(viewPort) / 25.4;
|
|
|
|
+ if (s.match(/in$/)) return that.numValue() * this.DPI(viewPort);
|
|
|
|
+ if (s.match(/%$/)) return that.numValue() * svg.ViewPort.ComputeSize(viewPort);
|
|
|
|
+ return that.numValue();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // time extensions
|
|
|
|
+ this.Time = {
|
|
|
|
+ // get the time as milliseconds
|
|
|
|
+ toMilliseconds: function() {
|
|
|
|
+ if (!that.hasValue()) return 0;
|
|
|
|
+ var s = that.value+'';
|
|
|
|
+ if (s.match(/s$/)) return that.numValue() * 1000;
|
|
|
|
+ if (s.match(/ms$/)) return that.numValue();
|
|
|
|
+ return that.numValue();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // angle extensions
|
|
|
|
+ this.Angle = {
|
|
|
|
+ // get the angle as radians
|
|
|
|
+ toRadians: function() {
|
|
|
|
+ if (!that.hasValue()) return 0;
|
|
|
|
+ var s = that.value+'';
|
|
|
|
+ if (s.match(/deg$/)) return that.numValue() * (Math.PI / 180.0);
|
|
|
|
+ if (s.match(/grad$/)) return that.numValue() * (Math.PI / 200.0);
|
|
|
|
+ if (s.match(/rad$/)) return that.numValue();
|
|
|
|
+ return that.numValue() * (Math.PI / 180.0);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // fonts
|
|
|
|
+ svg.Font = new (function() {
|
|
|
|
+ this.Styles = ['normal','italic','oblique','inherit'];
|
|
|
|
+ this.Variants = ['normal','small-caps','inherit'];
|
|
|
|
+ this.Weights = ['normal','bold','bolder','lighter','100','200','300','400','500','600','700','800','900','inherit'];
|
|
|
|
+
|
|
|
|
+ this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
|
|
|
|
+ var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
|
|
|
|
+ return {
|
|
|
|
+ fontFamily: fontFamily || f.fontFamily,
|
|
|
|
+ fontSize: fontSize || f.fontSize,
|
|
|
|
+ fontStyle: fontStyle || f.fontStyle,
|
|
|
|
+ fontWeight: fontWeight || f.fontWeight,
|
|
|
|
+ fontVariant: fontVariant || f.fontVariant,
|
|
|
|
+ toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var that = this;
|
|
|
|
+ this.Parse = function(s) {
|
|
|
|
+ var f = {};
|
|
|
|
+ var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
|
|
|
|
+ var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
|
|
|
|
+ var ff = '';
|
|
|
|
+ for (var i=0; i<d.length; i++) {
|
|
|
|
+ if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
|
|
|
|
+ else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; }
|
|
|
|
+ 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; }
|
|
|
|
+ else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
|
|
|
|
+ else { if (d[i] != 'inherit') ff += d[i]; }
|
|
|
|
+ } if (ff != '') f.fontFamily = ff;
|
|
|
|
+ return f;
|
|
|
|
+ }
|
|
|
|
+ });
|
|
|
|
+
|
|
|
|
+ // points and paths
|
|
|
|
+ svg.ToNumberArray = function(s) {
|
|
|
|
+ var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
|
|
|
|
+ for (var i=0; i<a.length; i++) {
|
|
|
|
+ a[i] = parseFloat(a[i]);
|
|
|
|
+ }
|
|
|
|
+ return a;
|
|
|
|
+ }
|
|
|
|
+ svg.Point = function(x, y) {
|
|
|
|
+ this.x = x;
|
|
|
|
+ this.y = y;
|
|
|
|
+
|
|
|
|
+ this.angleTo = function(p) {
|
|
|
|
+ return Math.atan2(p.y - this.y, p.x - this.x);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.CreatePoint = function(s) {
|
|
|
|
+ var a = svg.ToNumberArray(s);
|
|
|
|
+ return new svg.Point(a[0], a[1]);
|
|
|
|
+ }
|
|
|
|
+ svg.CreatePath = function(s) {
|
|
|
|
+ var a = svg.ToNumberArray(s);
|
|
|
|
+ var path = [];
|
|
|
|
+ for (var i=0; i<a.length; i+=2) {
|
|
|
|
+ path.push(new svg.Point(a[i], a[i+1]));
|
|
|
|
+ }
|
|
|
|
+ return path;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // bounding box
|
|
|
|
+ svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want
|
|
|
|
+ this.x1 = Number.NaN;
|
|
|
|
+ this.y1 = Number.NaN;
|
|
|
|
+ this.x2 = Number.NaN;
|
|
|
|
+ this.y2 = Number.NaN;
|
|
|
|
+
|
|
|
|
+ this.x = function() { return this.x1; }
|
|
|
|
+ this.y = function() { return this.y1; }
|
|
|
|
+ this.width = function() { return this.x2 - this.x1; }
|
|
|
|
+ this.height = function() { return this.y2 - this.y1; }
|
|
|
|
+
|
|
|
|
+ this.addPoint = function(x, y) {
|
|
|
|
+ if (x != null) {
|
|
|
|
+ if (isNaN(this.x1) || isNaN(this.x2)) {
|
|
|
|
+ this.x1 = x;
|
|
|
|
+ this.x2 = x;
|
|
|
|
+ }
|
|
|
|
+ if (x < this.x1) this.x1 = x;
|
|
|
|
+ if (x > this.x2) this.x2 = x;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (y != null) {
|
|
|
|
+ if (isNaN(this.y1) || isNaN(this.y2)) {
|
|
|
|
+ this.y1 = y;
|
|
|
|
+ this.y2 = y;
|
|
|
|
+ }
|
|
|
|
+ if (y < this.y1) this.y1 = y;
|
|
|
|
+ if (y > this.y2) this.y2 = y;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ this.addX = function(x) { this.addPoint(x, null); }
|
|
|
|
+ this.addY = function(y) { this.addPoint(null, y); }
|
|
|
|
+
|
|
|
|
+ this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
|
|
|
|
+ var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
|
|
|
|
+ var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
|
|
|
|
+ var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
|
|
|
|
+ var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
|
|
|
|
+ this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
|
|
|
|
+ // from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
|
|
|
|
+ var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
|
|
|
|
+ this.addPoint(p0[0], p0[1]);
|
|
|
|
+ this.addPoint(p3[0], p3[1]);
|
|
|
|
+
|
|
|
|
+ for (i=0; i<=1; i++) {
|
|
|
|
+ var f = function(t) {
|
|
|
|
+ return Math.pow(1-t, 3) * p0[i]
|
|
|
|
+ + 3 * Math.pow(1-t, 2) * t * p1[i]
|
|
|
|
+ + 3 * (1-t) * Math.pow(t, 2) * p2[i]
|
|
|
|
+ + Math.pow(t, 3) * p3[i];
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
|
|
|
|
+ var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
|
|
|
|
+ var c = 3 * p1[i] - 3 * p0[i];
|
|
|
|
+
|
|
|
|
+ if (a == 0) {
|
|
|
|
+ if (b == 0) continue;
|
|
|
|
+ var t = -c / b;
|
|
|
|
+ if (0 < t && t < 1) {
|
|
|
|
+ if (i == 0) this.addX(f(t));
|
|
|
|
+ if (i == 1) this.addY(f(t));
|
|
|
|
+ }
|
|
|
|
+ continue;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var b2ac = Math.pow(b, 2) - 4 * c * a;
|
|
|
|
+ if (b2ac < 0) continue;
|
|
|
|
+ var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
|
|
|
|
+ if (0 < t1 && t1 < 1) {
|
|
|
|
+ if (i == 0) this.addX(f(t1));
|
|
|
|
+ if (i == 1) this.addY(f(t1));
|
|
|
|
+ }
|
|
|
|
+ var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
|
|
|
|
+ if (0 < t2 && t2 < 1) {
|
|
|
|
+ if (i == 0) this.addX(f(t2));
|
|
|
|
+ if (i == 1) this.addY(f(t2));
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.addPoint(x1, y1);
|
|
|
|
+ this.addPoint(x2, y2);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // transforms
|
|
|
|
+ svg.Transform = function(v) {
|
|
|
|
+ var that = this;
|
|
|
|
+ this.Type = {}
|
|
|
|
+
|
|
|
|
+ // translate
|
|
|
|
+ this.Type.translate = function(s) {
|
|
|
|
+ this.p = svg.CreatePoint(s);
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // rotate
|
|
|
|
+ this.Type.rotate = function(s) {
|
|
|
|
+ var a = svg.ToNumberArray(s);
|
|
|
|
+ this.angle = new svg.Property('angle', a[0]);
|
|
|
|
+ this.cx = a[1] || 0;
|
|
|
|
+ this.cy = a[2] || 0;
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ ctx.translate(this.cx, this.cy);
|
|
|
|
+ ctx.rotate(this.angle.Angle.toRadians());
|
|
|
|
+ ctx.translate(-this.cx, -this.cy);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.Type.scale = function(s) {
|
|
|
|
+ this.p = svg.CreatePoint(s);
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.Type.matrix = function(s) {
|
|
|
|
+ this.m = svg.ToNumberArray(s);
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.Type.SkewBase = function(s) {
|
|
|
|
+ this.base = that.Type.matrix;
|
|
|
|
+ this.base(s);
|
|
|
|
+ this.angle = new svg.Property('angle', s);
|
|
|
|
+ }
|
|
|
|
+ this.Type.SkewBase.prototype = new this.Type.matrix;
|
|
|
|
+
|
|
|
|
+ this.Type.skewX = function(s) {
|
|
|
|
+ this.base = that.Type.SkewBase;
|
|
|
|
+ this.base(s);
|
|
|
|
+ this.m = [1, 0, Math.tan(this.angle.Angle.toRadians()), 1, 0, 0];
|
|
|
|
+ }
|
|
|
|
+ this.Type.skewX.prototype = new this.Type.SkewBase;
|
|
|
|
+
|
|
|
|
+ this.Type.skewY = function(s) {
|
|
|
|
+ this.base = that.Type.SkewBase;
|
|
|
|
+ this.base(s);
|
|
|
|
+ this.m = [1, Math.tan(this.angle.Angle.toRadians()), 0, 1, 0, 0];
|
|
|
|
+ }
|
|
|
|
+ this.Type.skewY.prototype = new this.Type.SkewBase;
|
|
|
|
+
|
|
|
|
+ this.transforms = [];
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ for (var i=0; i<this.transforms.length; i++) {
|
|
|
|
+ this.transforms[i].apply(ctx);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var data = v.split(/\s(?=[a-z])/);
|
|
|
|
+ for (var i=0; i<data.length; i++) {
|
|
|
|
+ var type = data[i].split('(')[0];
|
|
|
|
+ var s = data[i].split('(')[1].replace(')','');
|
|
|
|
+ var transform = eval('new this.Type.' + type + '(s)');
|
|
|
|
+ this.transforms.push(transform);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // elements
|
|
|
|
+ svg.Element = {}
|
|
|
|
+
|
|
|
|
+ svg.Element.ElementBase = function(node) {
|
|
|
|
+ this.attributes = {};
|
|
|
|
+ this.styles = {};
|
|
|
|
+ this.children = [];
|
|
|
|
+
|
|
|
|
+ // get or create attribute
|
|
|
|
+ this.attribute = function(name, createIfNotExists) {
|
|
|
|
+ var a = this.attributes[name];
|
|
|
|
+ if (a != null) return a;
|
|
|
|
+
|
|
|
|
+ a = new svg.Property(name, '');
|
|
|
|
+ if (createIfNotExists == true) this.attributes[name] = a;
|
|
|
|
+ return a;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // get or create style
|
|
|
|
+ this.style = function(name, createIfNotExists) {
|
|
|
|
+ var s = this.styles[name];
|
|
|
|
+ if (s != null) return s;
|
|
|
|
+
|
|
|
|
+ var a = this.attribute(name);
|
|
|
|
+ if (a != null && a.hasValue()) {
|
|
|
|
+ return a;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ s = new svg.Property(name, '');
|
|
|
|
+ if (createIfNotExists == true) this.styles[name] = s;
|
|
|
|
+ return s;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // base render
|
|
|
|
+ this.render = function(ctx) {
|
|
|
|
+ ctx.save();
|
|
|
|
+ this.setContext(ctx);
|
|
|
|
+ this.renderChildren(ctx);
|
|
|
|
+ this.clearContext(ctx);
|
|
|
|
+ ctx.restore();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // base set context
|
|
|
|
+ this.setContext = function(ctx) {
|
|
|
|
+ // OVERRIDE ME!
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // base clear context
|
|
|
|
+ this.clearContext = function(ctx) {
|
|
|
|
+ // OVERRIDE ME!
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // base render children
|
|
|
|
+ this.renderChildren = function(ctx) {
|
|
|
|
+ for (var i=0; i<this.children.length; i++) {
|
|
|
|
+ this.children[i].render(ctx);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.addChild = function(childNode, create) {
|
|
|
|
+ var child = childNode;
|
|
|
|
+ if (create) child = svg.CreateElement(childNode);
|
|
|
|
+ child.parent = this;
|
|
|
|
+ this.children.push(child);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ if (node != null && node.nodeType == 1) { //ELEMENT_NODE
|
|
|
|
+ // add children
|
|
|
|
+ for (var i=0; i<node.childNodes.length; i++) {
|
|
|
|
+ var childNode = node.childNodes[i];
|
|
|
|
+ if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // add attributes
|
|
|
|
+ for (var i=0; i<node.attributes.length; i++) {
|
|
|
|
+ var attribute = node.attributes[i];
|
|
|
|
+ this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // add tag styles
|
|
|
|
+ var styles = svg.Styles[this.type];
|
|
|
|
+ if (styles != null) {
|
|
|
|
+ for (var name in styles) {
|
|
|
|
+ this.styles[name] = styles[name];
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // add class styles
|
|
|
|
+ if (this.attribute('class').hasValue()) {
|
|
|
|
+ var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
|
|
|
|
+ for (var j=0; j<classes.length; j++) {
|
|
|
|
+ styles = svg.Styles['.'+classes[j]];
|
|
|
|
+ if (styles != null) {
|
|
|
|
+ for (var name in styles) {
|
|
|
|
+ this.styles[name] = styles[name];
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // add inline styles
|
|
|
|
+ if (this.attribute('style').hasValue()) {
|
|
|
|
+ var styles = this.attribute('style').value.split(';');
|
|
|
|
+ for (var i=0; i<styles.length; i++) {
|
|
|
|
+ if (svg.trim(styles[i]) != '') {
|
|
|
|
+ var style = styles[i].split(':');
|
|
|
|
+ var name = svg.trim(style[0]);
|
|
|
|
+ var value = svg.trim(style[1]);
|
|
|
|
+ this.styles[name] = new svg.Property(name, value);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // set id
|
|
|
|
+ if (this.attribute('id').hasValue()) svg.Definitions[this.attribute('id').value] = this;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ svg.Element.RenderedElementBase = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.setContext = function(ctx) {
|
|
|
|
+ // fill
|
|
|
|
+ if (this.style('fill').Definition.isUrl()) {
|
|
|
|
+ var fs = this.style('fill').Definition.getFillStyle(this);
|
|
|
|
+ if (fs != null) ctx.fillStyle = fs;
|
|
|
|
+ }
|
|
|
|
+ else if (this.style('fill').hasValue()) {
|
|
|
|
+ var fillStyle = this.style('fill');
|
|
|
|
+ if (this.style('fill-opacity').hasValue()) fillStyle = fillStyle.Color.addOpacity(this.style('fill-opacity').value);
|
|
|
|
+ ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // stroke
|
|
|
|
+ if (this.style('stroke').Definition.isUrl()) {
|
|
|
|
+ var fs = this.style('stroke').Definition.getFillStyle(this);
|
|
|
|
+ if (fs != null) ctx.strokeStyle = fs;
|
|
|
|
+ }
|
|
|
|
+ else if (this.style('stroke').hasValue()) {
|
|
|
|
+ var strokeStyle = this.style('stroke');
|
|
|
|
+ if (this.style('stroke-opacity').hasValue()) strokeStyle = strokeStyle.Color.addOpacity(this.style('stroke-opacity').value);
|
|
|
|
+ ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value);
|
|
|
|
+ }
|
|
|
|
+ if (this.style('stroke-width').hasValue()) ctx.lineWidth = this.style('stroke-width').Length.toPixels();
|
|
|
|
+ if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
|
|
|
|
+ if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
|
|
|
|
+ if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
|
|
|
|
+
|
|
|
|
+ // font
|
|
|
|
+ if (typeof(ctx.font) != 'undefined') {
|
|
|
|
+ ctx.font = svg.Font.CreateFont(
|
|
|
|
+ this.style('font-style').value,
|
|
|
|
+ this.style('font-variant').value,
|
|
|
|
+ this.style('font-weight').value,
|
|
|
|
+ this.style('font-size').hasValue() ? this.style('font-size').Length.toPixels() + 'px' : '',
|
|
|
|
+ this.style('font-family').value).toString();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // transform
|
|
|
|
+ if (this.attribute('transform').hasValue()) {
|
|
|
|
+ var transform = new svg.Transform(this.attribute('transform').value);
|
|
|
|
+ transform.apply(ctx);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // clip
|
|
|
|
+ if (this.attribute('clip-path').hasValue()) {
|
|
|
|
+ var clip = this.attribute('clip-path').Definition.getDefinition();
|
|
|
|
+ if (clip != null) clip.apply(ctx);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // opacity
|
|
|
|
+ if (this.style('opacity').hasValue()) {
|
|
|
|
+ ctx.globalAlpha = this.style('opacity').numValue();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ svg.Element.PathElementBase = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ if (ctx != null) ctx.beginPath();
|
|
|
|
+ return new svg.BoundingBox();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.renderChildren = function(ctx) {
|
|
|
|
+ this.path(ctx);
|
|
|
|
+ if (ctx.fillStyle != '') ctx.fill();
|
|
|
|
+ if (ctx.strokeStyle != '') ctx.stroke();
|
|
|
|
+
|
|
|
|
+ var markers = this.getMarkers();
|
|
|
|
+ if (markers != null) {
|
|
|
|
+ if (this.attribute('marker-start').Definition.isUrl()) {
|
|
|
|
+ var marker = this.attribute('marker-start').Definition.getDefinition();
|
|
|
|
+ marker.render(ctx, markers[0][0], markers[0][1]);
|
|
|
|
+ }
|
|
|
|
+ if (this.attribute('marker-mid').Definition.isUrl()) {
|
|
|
|
+ var marker = this.attribute('marker-mid').Definition.getDefinition();
|
|
|
|
+ for (var i=1;i<markers.length-1;i++) {
|
|
|
|
+ marker.render(ctx, markers[i][0], markers[i][1]);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ if (this.attribute('marker-end').Definition.isUrl()) {
|
|
|
|
+ var marker = this.attribute('marker-end').Definition.getDefinition();
|
|
|
|
+ marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getBoundingBox = function() {
|
|
|
|
+ return this.path();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getMarkers = function() {
|
|
|
|
+ return null;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // svg element
|
|
|
|
+ svg.Element.svg = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.baseClearContext = this.clearContext;
|
|
|
|
+ this.clearContext = function(ctx) {
|
|
|
|
+ this.baseClearContext(ctx);
|
|
|
|
+ svg.ViewPort.RemoveCurrent();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.baseSetContext = this.setContext;
|
|
|
|
+ this.setContext = function(ctx) {
|
|
|
|
+ this.baseSetContext(ctx);
|
|
|
|
+
|
|
|
|
+ // create new view port
|
|
|
|
+ if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
|
|
|
|
+ ctx.translate(this.attribute('x').Length.toPixels('x'), this.attribute('y').Length.toPixels('y'));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var width = svg.ViewPort.width();
|
|
|
|
+ var height = svg.ViewPort.height();
|
|
|
|
+ if (this.attribute('width').hasValue() && this.attribute('height').hasValue()) {
|
|
|
|
+ width = this.attribute('width').Length.toPixels('x');
|
|
|
|
+ height = this.attribute('height').Length.toPixels('y');
|
|
|
|
+
|
|
|
|
+ var x = 0;
|
|
|
|
+ var y = 0;
|
|
|
|
+ if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
|
|
|
|
+ x = -this.attribute('refX').Length.toPixels('x');
|
|
|
|
+ y = -this.attribute('refY').Length.toPixels('y');
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.moveTo(x, y);
|
|
|
|
+ ctx.lineTo(width, y);
|
|
|
|
+ ctx.lineTo(width, height);
|
|
|
|
+ ctx.lineTo(x, height);
|
|
|
|
+ ctx.closePath();
|
|
|
|
+ ctx.clip();
|
|
|
|
+ }
|
|
|
|
+ svg.ViewPort.SetCurrent(width, height);
|
|
|
|
+
|
|
|
|
+ // viewbox
|
|
|
|
+ if (this.attribute('viewBox').hasValue()) {
|
|
|
|
+ var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
|
|
|
|
+ var minX = viewBox[0];
|
|
|
|
+ var minY = viewBox[1];
|
|
|
|
+ width = viewBox[2];
|
|
|
|
+ height = viewBox[3];
|
|
|
|
+
|
|
|
|
+ // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
|
|
|
|
+ var preserveAspectRatio = svg.compressSpaces(this.attribute('preserveAspectRatio').value);
|
|
|
|
+ preserveAspectRatio = preserveAspectRatio.replace(/^defer\s/,''); // ignore defer
|
|
|
|
+ var align = preserveAspectRatio.split(' ')[0] || 'xMidYMid';
|
|
|
|
+ var meetOrSlice = preserveAspectRatio.split(' ')[1] || 'meet';
|
|
|
|
+
|
|
|
|
+ // calculate scale
|
|
|
|
+ var scaleX = svg.ViewPort.width() / width;
|
|
|
|
+ var scaleY = svg.ViewPort.height() / height;
|
|
|
|
+ var scaleMin = Math.min(scaleX, scaleY);
|
|
|
|
+ var scaleMax = Math.max(scaleX, scaleY);
|
|
|
|
+ if (meetOrSlice == 'meet') { width *= scaleMin; height *= scaleMin; }
|
|
|
|
+ if (meetOrSlice == 'slice') { width *= scaleMax; height *= scaleMax; }
|
|
|
|
+
|
|
|
|
+ if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
|
|
|
|
+ ctx.translate(-scaleMin * this.attribute('refX').Length.toPixels('x'), -scaleMin * this.attribute('refY').Length.toPixels('y'));
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
|
|
+ // align
|
|
|
|
+ if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(svg.ViewPort.width() / 2.0 - width / 2.0, 0);
|
|
|
|
+ if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, svg.ViewPort.height() / 2.0 - height / 2.0);
|
|
|
|
+ if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(svg.ViewPort.width() - width, 0);
|
|
|
|
+ if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, svg.ViewPort.height() - height);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // scale
|
|
|
|
+ if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
|
|
|
|
+ if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
|
|
|
|
+ ctx.translate(-minX, -minY);
|
|
|
|
+
|
|
|
|
+ svg.ViewPort.RemoveCurrent();
|
|
|
|
+ svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // initial values
|
|
|
|
+ ctx.strokeStyle = 'rgba(0,0,0,0)';
|
|
|
|
+ ctx.lineCap = 'butt';
|
|
|
|
+ ctx.lineJoin = 'miter';
|
|
|
|
+ ctx.miterLimit = 4;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.svg.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // rect element
|
|
|
|
+ svg.Element.rect = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var x = this.attribute('x').Length.toPixels('x');
|
|
|
|
+ var y = this.attribute('y').Length.toPixels('y');
|
|
|
|
+ var width = this.attribute('width').Length.toPixels('x');
|
|
|
|
+ var height = this.attribute('height').Length.toPixels('y');
|
|
|
|
+ var rx = this.attribute('rx').Length.toPixels('x');
|
|
|
|
+ var ry = this.attribute('ry').Length.toPixels('y');
|
|
|
|
+ if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx;
|
|
|
|
+ if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
|
|
|
|
+
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.moveTo(x + rx, y);
|
|
|
|
+ ctx.lineTo(x + width - rx, y);
|
|
|
|
+ ctx.quadraticCurveTo(x + width, y, x + width, y + ry)
|
|
|
|
+ ctx.lineTo(x + width, y + height - ry);
|
|
|
|
+ ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height)
|
|
|
|
+ ctx.lineTo(x + rx, y + height);
|
|
|
|
+ ctx.quadraticCurveTo(x, y + height, x, y + height - ry)
|
|
|
|
+ ctx.lineTo(x, y + ry);
|
|
|
|
+ ctx.quadraticCurveTo(x, y, x + rx, y)
|
|
|
|
+ ctx.closePath();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return new svg.BoundingBox(x, y, x + width, y + height);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.rect.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // circle element
|
|
|
|
+ svg.Element.circle = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var cx = this.attribute('cx').Length.toPixels('x');
|
|
|
|
+ var cy = this.attribute('cy').Length.toPixels('y');
|
|
|
|
+ var r = this.attribute('r').Length.toPixels();
|
|
|
|
+
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
|
|
|
|
+ ctx.closePath();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.circle.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // ellipse element
|
|
|
|
+ svg.Element.ellipse = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
|
|
|
|
+ var rx = this.attribute('rx').Length.toPixels('x');
|
|
|
|
+ var ry = this.attribute('ry').Length.toPixels('y');
|
|
|
|
+ var cx = this.attribute('cx').Length.toPixels('x');
|
|
|
|
+ var cy = this.attribute('cy').Length.toPixels('y');
|
|
|
|
+
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.moveTo(cx, cy - ry);
|
|
|
|
+ ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy);
|
|
|
|
+ ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry);
|
|
|
|
+ ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy);
|
|
|
|
+ ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry);
|
|
|
|
+ ctx.closePath();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.ellipse.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // line element
|
|
|
|
+ svg.Element.line = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.getPoints = function() {
|
|
|
|
+ return [
|
|
|
|
+ new svg.Point(this.attribute('x1').Length.toPixels('x'), this.attribute('y1').Length.toPixels('y')),
|
|
|
|
+ new svg.Point(this.attribute('x2').Length.toPixels('x'), this.attribute('y2').Length.toPixels('y'))];
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var points = this.getPoints();
|
|
|
|
+
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.moveTo(points[0].x, points[0].y);
|
|
|
|
+ ctx.lineTo(points[1].x, points[1].y);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getMarkers = function() {
|
|
|
|
+ var points = this.getPoints();
|
|
|
|
+ var a = points[0].angleTo(points[1]);
|
|
|
|
+ return [[points[0], a], [points[1], a]];
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.line.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // polyline element
|
|
|
|
+ svg.Element.polyline = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.points = svg.CreatePath(this.attribute('points').value);
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.beginPath();
|
|
|
|
+ ctx.moveTo(this.points[0].x, this.points[0].y);
|
|
|
|
+ }
|
|
|
|
+ for (var i=1; i<this.points.length; i++) {
|
|
|
|
+ bb.addPoint(this.points[i].x, this.points[i].y);
|
|
|
|
+ if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
|
|
|
|
+ }
|
|
|
|
+ return bb;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getMarkers = function() {
|
|
|
|
+ var markers = [];
|
|
|
|
+ for (var i=0; i<this.points.length - 1; i++) {
|
|
|
|
+ markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]);
|
|
|
|
+ }
|
|
|
|
+ markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]);
|
|
|
|
+ return markers;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.polyline.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // polygon element
|
|
|
|
+ svg.Element.polygon = function(node) {
|
|
|
|
+ this.base = svg.Element.polyline;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.basePath = this.path;
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var bb = this.basePath(ctx);
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ ctx.lineTo(this.points[0].x, this.points[0].y);
|
|
|
|
+ ctx.closePath();
|
|
|
|
+ }
|
|
|
|
+ return bb;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.polygon.prototype = new svg.Element.polyline;
|
|
|
|
+
|
|
|
|
+ // path element
|
|
|
|
+ svg.Element.path = function(node) {
|
|
|
|
+ this.base = svg.Element.PathElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ var d = this.attribute('d').value;
|
|
|
|
+ // TODO: floating points, convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF
|
|
|
|
+ d = d.replace(/,/gm,' '); // get rid of all commas
|
|
|
|
+ d = d.replace(/([A-Za-z])([A-Za-z])/gm,'$1 $2'); // separate commands from commands
|
|
|
|
+ d = d.replace(/([A-Za-z])([A-Za-z])/gm,'$1 $2'); // separate commands from commands
|
|
|
|
+ d = d.replace(/([A-Za-z])([^\s])/gm,'$1 $2'); // separate commands from points
|
|
|
|
+ d = d.replace(/([^\s])([A-Za-z])/gm,'$1 $2'); // separate commands from points
|
|
|
|
+ d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits when no comma
|
|
|
|
+ d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when no comma
|
|
|
|
+ d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax
|
|
|
|
+ d = svg.compressSpaces(d); // compress multiple spaces
|
|
|
|
+ d = svg.trim(d);
|
|
|
|
+ this.PathParser = new (function(d) {
|
|
|
|
+ this.tokens = d.split(' ');
|
|
|
|
+
|
|
|
|
+ this.reset = function() {
|
|
|
|
+ this.i = -1;
|
|
|
|
+ this.command = '';
|
|
|
|
+ this.control = new svg.Point(0, 0);
|
|
|
|
+ this.current = new svg.Point(0, 0);
|
|
|
|
+ this.points = [];
|
|
|
|
+ this.angles = [];
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.isEnd = function() {
|
|
|
|
+ return this.i == this.tokens.length - 1;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.isCommandOrEnd = function() {
|
|
|
|
+ if (this.isEnd()) return true;
|
|
|
|
+ return this.tokens[this.i + 1].match(/[A-Za-z]/) != null;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.isRelativeCommand = function() {
|
|
|
|
+ return this.command == this.command.toLowerCase();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getToken = function() {
|
|
|
|
+ this.i = this.i + 1;
|
|
|
|
+ return this.tokens[this.i];
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getScalar = function() {
|
|
|
|
+ return parseFloat(this.getToken());
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.nextCommand = function() {
|
|
|
|
+ this.command = this.getToken();
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getPoint = function() {
|
|
|
|
+ var p = new svg.Point(this.getScalar(), this.getScalar());
|
|
|
|
+ return this.makeAbsolute(p);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getAsControlPoint = function() {
|
|
|
|
+ var p = this.getPoint();
|
|
|
|
+ this.control = p;
|
|
|
|
+ return p;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getAsCurrentPoint = function() {
|
|
|
|
+ var p = this.getPoint();
|
|
|
|
+ this.current = p;
|
|
|
|
+ return p;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getReflectedControlPoint = function() {
|
|
|
|
+ var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
|
|
|
|
+ return this.makeAbsolute(p);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.makeAbsolute = function(p) {
|
|
|
|
+ if (this.isRelativeCommand()) {
|
|
|
|
+ p.x = this.current.x + p.x;
|
|
|
|
+ p.y = this.current.y + p.y;
|
|
|
|
+ }
|
|
|
|
+ return p;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.addMarker = function(p, from) {
|
|
|
|
+ this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.addMarkerAngle = function(p, a) {
|
|
|
|
+ this.points.push(p);
|
|
|
|
+ this.angles.push(a);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getMarkerPoints = function() { return this.points; }
|
|
|
|
+ this.getMarkerAngles = function() {
|
|
|
|
+ for (var i=0; i<this.angles.length; i++) {
|
|
|
|
+ if (this.angles[i] == null) {
|
|
|
|
+ for (var j=i+1; j<this.angles.length; j++) {
|
|
|
|
+ if (this.angles[j] != null) {
|
|
|
|
+ this.angles[i] = this.angles[j];
|
|
|
|
+ break;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ return this.angles;
|
|
|
|
+ }
|
|
|
|
+ })(d);
|
|
|
|
+
|
|
|
|
+ this.path = function(ctx) {
|
|
|
|
+ var pp = this.PathParser;
|
|
|
|
+ pp.reset();
|
|
|
|
+
|
|
|
|
+ var bb = new svg.BoundingBox();
|
|
|
|
+ if (ctx != null) ctx.beginPath();
|
|
|
|
+ while (!pp.isEnd()) {
|
|
|
|
+ pp.nextCommand();
|
|
|
|
+ if (pp.command.toUpperCase() == 'M') {
|
|
|
|
+ var p = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(p);
|
|
|
|
+ bb.addPoint(p.x, p.y);
|
|
|
|
+ if (ctx != null) ctx.moveTo(p.x, p.y);
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var p = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(p);
|
|
|
|
+ bb.addPoint(p.x, p.y);
|
|
|
|
+ if (ctx != null) ctx.lineTo(p.x, p.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'L') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var c = pp.current;
|
|
|
|
+ var p = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(p, c);
|
|
|
|
+ bb.addPoint(p.x, p.y);
|
|
|
|
+ if (ctx != null) ctx.lineTo(p.x, p.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'H') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
|
|
|
|
+ pp.addMarker(newP, pp.current);
|
|
|
|
+ pp.current = newP;
|
|
|
|
+ bb.addPoint(pp.current.x, pp.current.y);
|
|
|
|
+ if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'V') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
|
|
|
|
+ pp.addMarker(newP, pp.current);
|
|
|
|
+ pp.current = newP;
|
|
|
|
+ bb.addPoint(pp.current.x, pp.current.y);
|
|
|
|
+ if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'C') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var curr = pp.current;
|
|
|
|
+ var p1 = pp.getPoint();
|
|
|
|
+ var cntrl = pp.getAsControlPoint();
|
|
|
|
+ var cp = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(cp, cntrl);
|
|
|
|
+ bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'S') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var curr = pp.current;
|
|
|
|
+ var p1 = pp.getReflectedControlPoint();
|
|
|
|
+ var cntrl = pp.getAsControlPoint();
|
|
|
|
+ var cp = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(cp, cntrl);
|
|
|
|
+ bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'Q') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var curr = pp.current;
|
|
|
|
+ var cntrl = pp.getAsControlPoint();
|
|
|
|
+ var cp = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(cp, cntrl);
|
|
|
|
+ bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'T') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var curr = pp.current;
|
|
|
|
+ var cntrl = pp.getReflectedControlPoint();
|
|
|
|
+ pp.control = cntrl;
|
|
|
|
+ var cp = pp.getAsCurrentPoint();
|
|
|
|
+ pp.addMarker(cp, cntrl);
|
|
|
|
+ bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ else if (pp.command.toUpperCase() == 'A') {
|
|
|
|
+ while (!pp.isCommandOrEnd()) {
|
|
|
|
+ var curr = pp.current;
|
|
|
|
+ var rx = pp.getScalar();
|
|
|
|
+ var ry = pp.getScalar();
|
|
|
|
+ var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
|
|
|
|
+ var largeArcFlag = pp.getScalar();
|
|
|
|
+ var sweepFlag = pp.getScalar();
|
|
|
|
+ var cp = pp.getAsCurrentPoint();
|
|
|
|
+
|
|
|
|
+ // Conversion from endpoint to center parameterization
|
|
|
|
+ // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
|
|
|
|
+ // x1', y1'
|
|
|
|
+ var currp = new svg.Point(
|
|
|
|
+ Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0,
|
|
|
|
+ -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0
|
|
|
|
+ );
|
|
|
|
+ // adjust radii
|
|
|
|
+ var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2);
|
|
|
|
+ if (l > 1) {
|
|
|
|
+ rx *= Math.sqrt(l);
|
|
|
|
+ ry *= Math.sqrt(l);
|
|
|
|
+ }
|
|
|
|
+ // cx', cy'
|
|
|
|
+ var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
|
|
|
|
+ ((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))) /
|
|
|
|
+ (Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2))
|
|
|
|
+ );
|
|
|
|
+ if (isNaN(s)) s = 0;
|
|
|
|
+ var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
|
|
|
|
+ // cx, cy
|
|
|
|
+ var centp = new svg.Point(
|
|
|
|
+ (curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
|
|
|
|
+ (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
|
|
|
|
+ );
|
|
|
|
+ // vector magnitude
|
|
|
|
+ var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
|
|
|
|
+ // ratio between two vectors
|
|
|
|
+ var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) }
|
|
|
|
+ // angle between two vectors
|
|
|
|
+ var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); }
|
|
|
|
+ // initial angle
|
|
|
|
+ var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
|
|
|
|
+ // angle delta
|
|
|
|
+ var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
|
|
|
|
+ var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
|
|
|
|
+ var ad = a(u, v);
|
|
|
|
+ if (r(u,v) <= -1) ad = Math.PI;
|
|
|
|
+ if (r(u,v) >= 1) ad = 0;
|
|
|
|
+
|
|
|
|
+ if (sweepFlag == 0 && ad > 0) ad = ad - 2 * Math.PI;
|
|
|
|
+ if (sweepFlag == 1 && ad < 0) ad = ad + 2 * Math.PI;
|
|
|
|
+
|
|
|
|
+ // for markers
|
|
|
|
+ var halfWay = new svg.Point(
|
|
|
|
+ centp.x - rx * Math.cos((a1 + ad) / 2),
|
|
|
|
+ centp.y - ry * Math.sin((a1 + ad) / 2)
|
|
|
|
+ );
|
|
|
|
+ pp.addMarkerAngle(halfWay, (a1 + ad) / 2 + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2);
|
|
|
|
+ pp.addMarkerAngle(cp, ad + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2);
|
|
|
|
+
|
|
|
|
+ bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
|
|
|
|
+ if (ctx != null) {
|
|
|
|
+ var r = rx > ry ? rx : ry;
|
|
|
|
+ var sx = rx > ry ? 1 : rx / ry;
|
|
|
|
+ var sy = rx > ry ? ry / rx : 1;
|
|
|
|
+
|
|
|
|
+ ctx.translate(centp.x, centp.y);
|
|
|
|
+ ctx.rotate(xAxisRotation);
|
|
|
|
+ ctx.scale(sx, sy);
|
|
|
|
+ ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
|
|
|
|
+ ctx.scale(1/sx, 1/sy);
|
|
|
|
+ ctx.rotate(-xAxisRotation);
|
|
|
|
+ ctx.translate(-centp.x, -centp.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ else if (pp.command.toUpperCase() == 'Z') {
|
|
|
|
+ if (ctx != null) ctx.closePath();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return bb;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getMarkers = function() {
|
|
|
|
+ var points = this.PathParser.getMarkerPoints();
|
|
|
|
+ var angles = this.PathParser.getMarkerAngles();
|
|
|
|
+
|
|
|
|
+ var markers = [];
|
|
|
|
+ for (var i=0; i<points.length; i++) {
|
|
|
|
+ markers.push([points[i], angles[i]]);
|
|
|
|
+ }
|
|
|
|
+ return markers;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.path.prototype = new svg.Element.PathElementBase;
|
|
|
|
+
|
|
|
|
+ // pattern element
|
|
|
|
+ svg.Element.pattern = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.createPattern = function(ctx, element) {
|
|
|
|
+ // render me using a temporary svg element
|
|
|
|
+ var tempSvg = new svg.Element.svg();
|
|
|
|
+ tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
|
|
|
+ tempSvg.attributes['x'] = new svg.Property('x', this.attribute('x').value);
|
|
|
|
+ tempSvg.attributes['y'] = new svg.Property('y', this.attribute('y').value);
|
|
|
|
+ tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
|
|
|
|
+ tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
|
|
|
|
+ tempSvg.children = this.children;
|
|
|
|
+
|
|
|
|
+ var c = document.createElement('canvas');
|
|
|
|
+ c.width = this.attribute('width').Length.toPixels();
|
|
|
|
+ c.height = this.attribute('height').Length.toPixels();
|
|
|
|
+ tempSvg.render(c.getContext('2d'));
|
|
|
|
+ return ctx.createPattern(c, 'repeat');
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.pattern.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // marker element
|
|
|
|
+ svg.Element.marker = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.baseRender = this.render;
|
|
|
|
+ this.render = function(ctx, point, angle) {
|
|
|
|
+ ctx.translate(point.x, point.y);
|
|
|
|
+ if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle);
|
|
|
|
+ if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
|
|
|
|
+ ctx.save();
|
|
|
|
+
|
|
|
|
+ // render me using a temporary svg element
|
|
|
|
+ var tempSvg = new svg.Element.svg();
|
|
|
|
+ tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
|
|
|
+ tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
|
|
|
|
+ tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value);
|
|
|
|
+ tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value);
|
|
|
|
+ tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value);
|
|
|
|
+ tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black'));
|
|
|
|
+ tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
|
|
|
|
+ tempSvg.children = this.children;
|
|
|
|
+ tempSvg.render(ctx);
|
|
|
|
+
|
|
|
|
+ ctx.restore();
|
|
|
|
+ if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth);
|
|
|
|
+ if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle);
|
|
|
|
+ ctx.translate(-point.x, -point.y);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.marker.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // definitions element
|
|
|
|
+ svg.Element.defs = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.render = function(ctx) {
|
|
|
|
+ // NOOP
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.defs.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // base for gradients
|
|
|
|
+ svg.Element.GradientBase = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.gradientUnits = this.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
|
|
|
|
+
|
|
|
|
+ this.stops = [];
|
|
|
|
+ for (var i=0; i<this.children.length; i++) {
|
|
|
|
+ var child = this.children[i];
|
|
|
|
+ this.stops.push(child);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getGradient = function() {
|
|
|
|
+ // OVERRIDE ME!
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.createGradient = function(ctx, element) {
|
|
|
|
+ var g = this.getGradient(ctx, element);
|
|
|
|
+ for (var i=0; i<this.stops.length; i++) {
|
|
|
|
+ g.addColorStop(this.stops[i].offset, this.stops[i].color);
|
|
|
|
+ }
|
|
|
|
+ return g;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.GradientBase.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // linear gradient element
|
|
|
|
+ svg.Element.linearGradient = function(node) {
|
|
|
|
+ this.base = svg.Element.GradientBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.getGradient = function(ctx, element) {
|
|
|
|
+ var bb = element.getBoundingBox();
|
|
|
|
+
|
|
|
|
+ var x1 = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.x() + bb.width() * this.attribute('x1').numValue()
|
|
|
|
+ : this.attribute('x1').Length.toPixels('x'));
|
|
|
|
+ var y1 = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.y() + bb.height() * this.attribute('y1').numValue()
|
|
|
|
+ : this.attribute('y1').Length.toPixels('y'));
|
|
|
|
+ var x2 = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.x() + bb.width() * this.attribute('x2').numValue()
|
|
|
|
+ : this.attribute('x2').Length.toPixels('x'));
|
|
|
|
+ var y2 = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.y() + bb.height() * this.attribute('y2').numValue()
|
|
|
|
+ : this.attribute('y2').Length.toPixels('y'));
|
|
|
|
+
|
|
|
|
+ return ctx.createLinearGradient(x1, y1, x2, y2);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.linearGradient.prototype = new svg.Element.GradientBase;
|
|
|
|
+
|
|
|
|
+ // radial gradient element
|
|
|
|
+ svg.Element.radialGradient = function(node) {
|
|
|
|
+ this.base = svg.Element.GradientBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.getGradient = function(ctx, element) {
|
|
|
|
+ var bb = element.getBoundingBox();
|
|
|
|
+
|
|
|
|
+ var cx = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.x() + bb.width() * this.attribute('cx').numValue()
|
|
|
|
+ : this.attribute('cx').Length.toPixels('x'));
|
|
|
|
+ var cy = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.y() + bb.height() * this.attribute('cy').numValue()
|
|
|
|
+ : this.attribute('cy').Length.toPixels('y'));
|
|
|
|
+
|
|
|
|
+ var fx = cx;
|
|
|
|
+ var fy = cy;
|
|
|
|
+ if (this.attribute('fx').hasValue()) {
|
|
|
|
+ fx = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.x() + bb.width() * this.attribute('fx').numValue()
|
|
|
|
+ : this.attribute('fx').Length.toPixels('x'));
|
|
|
|
+ }
|
|
|
|
+ if (this.attribute('fy').hasValue()) {
|
|
|
|
+ fy = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? bb.y() + bb.height() * this.attribute('fy').numValue()
|
|
|
|
+ : this.attribute('fy').Length.toPixels('y'));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ var r = (this.gradientUnits == 'objectBoundingBox'
|
|
|
|
+ ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue()
|
|
|
|
+ : this.attribute('r').Length.toPixels());
|
|
|
|
+
|
|
|
|
+ return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.radialGradient.prototype = new svg.Element.GradientBase;
|
|
|
|
+
|
|
|
|
+ // gradient stop element
|
|
|
|
+ svg.Element.stop = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.offset = this.attribute('offset').numValue();
|
|
|
|
+
|
|
|
|
+ var stopColor = this.style('stop-color');
|
|
|
|
+ if (this.style('stop-opacity').hasValue()) stopColor = stopColor.Color.addOpacity(this.style('stop-opacity').value);
|
|
|
|
+ this.color = stopColor.value;
|
|
|
|
+ }
|
|
|
|
+ svg.Element.stop.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // animation base element
|
|
|
|
+ svg.Element.AnimateBase = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ svg.Animations.push(this);
|
|
|
|
+
|
|
|
|
+ this.duration = 0.0;
|
|
|
|
+ this.begin = this.attribute('begin').Time.toMilliseconds();
|
|
|
|
+ this.maxDuration = this.begin + this.attribute('dur').Time.toMilliseconds();
|
|
|
|
+
|
|
|
|
+ this.calcValue = function() {
|
|
|
|
+ // OVERRIDE ME!
|
|
|
|
+ return '';
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.update = function(delta) {
|
|
|
|
+ // if we're past the end time
|
|
|
|
+ if (this.duration > this.maxDuration) {
|
|
|
|
+ // loop for indefinitely repeating animations
|
|
|
|
+ if (this.attribute('repeatCount').value == 'indefinite') {
|
|
|
|
+ this.duration = 0.0
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
|
|
+ return false; // no updates made
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ this.duration = this.duration + delta;
|
|
|
|
+
|
|
|
|
+ // if we're past the begin time
|
|
|
|
+ var updated = false;
|
|
|
|
+ if (this.begin < this.duration) {
|
|
|
|
+ var newValue = this.calcValue(); // tween
|
|
|
|
+ var attributeType = this.attribute('attributeType').value;
|
|
|
|
+ var attributeName = this.attribute('attributeName').value;
|
|
|
|
+
|
|
|
|
+ if (this.parent != null) {
|
|
|
|
+ if (attributeType == 'CSS') {
|
|
|
|
+ this.parent.style(attributeName, true).value = newValue;
|
|
|
|
+ }
|
|
|
|
+ else { // default or XML
|
|
|
|
+ if (this.attribute('type').hasValue()) {
|
|
|
|
+ // for transform, etc.
|
|
|
|
+ var type = this.attribute('type').value;
|
|
|
|
+ this.parent.attribute(attributeName, true).value = type + '(' + newValue + ')';
|
|
|
|
+ }
|
|
|
|
+ else {
|
|
|
|
+ this.parent.attribute(attributeName, true).value = newValue;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ updated = true;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return updated;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // fraction of duration we've covered
|
|
|
|
+ this.progress = function() {
|
|
|
|
+ return ((this.duration - this.begin) / (this.maxDuration - this.begin));
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // animate element
|
|
|
|
+ svg.Element.animate = function(node) {
|
|
|
|
+ this.base = svg.Element.AnimateBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.calcValue = function() {
|
|
|
|
+ var from = this.attribute('from').numValue();
|
|
|
|
+ var to = this.attribute('to').numValue();
|
|
|
|
+
|
|
|
|
+ // tween value linearly
|
|
|
|
+ return from + (to - from) * this.progress();
|
|
|
|
+ };
|
|
|
|
+ }
|
|
|
|
+ svg.Element.animate.prototype = new svg.Element.AnimateBase;
|
|
|
|
+
|
|
|
|
+ // animate color element
|
|
|
|
+ svg.Element.animateColor = function(node) {
|
|
|
|
+ this.base = svg.Element.AnimateBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.calcValue = function() {
|
|
|
|
+ var from = new RGBColor(this.attribute('from').value);
|
|
|
|
+ var to = new RGBColor(this.attribute('to').value);
|
|
|
|
+
|
|
|
|
+ if (from.ok && to.ok) {
|
|
|
|
+ // tween color linearly
|
|
|
|
+ var r = from.r + (to.r - from.r) * this.progress();
|
|
|
|
+ var g = from.g + (to.g - from.g) * this.progress();
|
|
|
|
+ var b = from.b + (to.b - from.b) * this.progress();
|
|
|
|
+ return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
|
|
|
|
+ }
|
|
|
|
+ return this.attribute('from').value;
|
|
|
|
+ };
|
|
|
|
+ }
|
|
|
|
+ svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
|
|
|
|
+
|
|
|
|
+ // animate transform element
|
|
|
|
+ svg.Element.animateTransform = function(node) {
|
|
|
|
+ this.base = svg.Element.animate;
|
|
|
|
+ this.base(node);
|
|
|
|
+ }
|
|
|
|
+ svg.Element.animateTransform.prototype = new svg.Element.animate;
|
|
|
|
+
|
|
|
|
+ // text element
|
|
|
|
+ svg.Element.text = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ if (node != null) {
|
|
|
|
+ // add children
|
|
|
|
+ this.children = [];
|
|
|
|
+ for (var i=0; i<node.childNodes.length; i++) {
|
|
|
|
+ var childNode = node.childNodes[i];
|
|
|
|
+ if (childNode.nodeType == 1) { // capture tspan and tref nodes
|
|
|
|
+ this.addChild(childNode, true);
|
|
|
|
+ }
|
|
|
|
+ else if (childNode.nodeType == 3) { // capture text
|
|
|
|
+ this.addChild(new svg.Element.tspan(childNode), false);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.baseSetContext = this.setContext;
|
|
|
|
+ this.setContext = function(ctx) {
|
|
|
|
+ this.baseSetContext(ctx);
|
|
|
|
+ if (this.attribute('text-anchor').hasValue()) {
|
|
|
|
+ var textAnchor = this.attribute('text-anchor').value;
|
|
|
|
+ ctx.textAlign = textAnchor == 'middle' ? 'center' : textAnchor;
|
|
|
|
+ }
|
|
|
|
+ if (this.attribute('alignment-baseline').hasValue()) ctx.textBaseline = this.attribute('alignment-baseline').value;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.renderChildren = function(ctx) {
|
|
|
|
+ var x = this.attribute('x').Length.toPixels('x');
|
|
|
|
+ var y = this.attribute('y').Length.toPixels('y');
|
|
|
|
+ for (var i=0; i<this.children.length; i++) {
|
|
|
|
+ this.children[i].x = x;
|
|
|
|
+ this.children[i].y = y;
|
|
|
|
+ this.children[i].render(ctx);
|
|
|
|
+ x += this.children[i].measureText(ctx);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.text.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // text base
|
|
|
|
+ svg.Element.TextElementBase = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.renderChildren = function(ctx) {
|
|
|
|
+ ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.getText = function() {
|
|
|
|
+ // OVERRIDE ME
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.measureText = function(ctx) {
|
|
|
|
+ return ctx.measureText(svg.compressSpaces(this.getText())).width;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // tspan
|
|
|
|
+ svg.Element.tspan = function(node) {
|
|
|
|
+ this.base = svg.Element.TextElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ // TEXT ELEMENT
|
|
|
|
+ this.text = node.nodeType == 3 ? node.nodeValue : node.childNodes[0].nodeValue;
|
|
|
|
+ this.getText = function() {
|
|
|
|
+ return this.text;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.tspan.prototype = new svg.Element.TextElementBase;
|
|
|
|
+
|
|
|
|
+ // tref
|
|
|
|
+ svg.Element.tref = function(node) {
|
|
|
|
+ this.base = svg.Element.TextElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.getText = function() {
|
|
|
|
+ var element = this.attribute('xlink:href').Definition.getDefinition();
|
|
|
|
+ if (element != null) return element.children[0].getText();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.tref.prototype = new svg.Element.TextElementBase;
|
|
|
|
+
|
|
|
|
+ // group element
|
|
|
|
+ svg.Element.g = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+ }
|
|
|
|
+ svg.Element.g.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // symbol element
|
|
|
|
+ svg.Element.symbol = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+ }
|
|
|
|
+ svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // a element
|
|
|
|
+ svg.Element.a = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+ }
|
|
|
|
+ svg.Element.a.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // style element
|
|
|
|
+ svg.Element.style = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ var css = node.childNodes[0].nodeValue;
|
|
|
|
+ css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(\/\/.*)/gm, ''); // remove comments
|
|
|
|
+ css = svg.compressSpaces(css); // replace whitespace
|
|
|
|
+ var cssDefs = css.split('}');
|
|
|
|
+ for (var i=0; i<cssDefs.length; i++) {
|
|
|
|
+ if (svg.trim(cssDefs[i]) != '') {
|
|
|
|
+ var cssDef = cssDefs[i].split('{');
|
|
|
|
+ var cssClasses = cssDef[0].split(',');
|
|
|
|
+ var cssProps = cssDef[1].split(';');
|
|
|
|
+ for (var j=0; j<cssClasses.length; j++) {
|
|
|
|
+ var cssClass = svg.trim(cssClasses[j]);
|
|
|
|
+ if (cssClass != '') {
|
|
|
|
+ var props = {};
|
|
|
|
+ for (var k=0; k<cssProps.length; k++) {
|
|
|
|
+ var prop = cssProps[k].split(':');
|
|
|
|
+ var name = prop[0];
|
|
|
|
+ var value = prop[1];
|
|
|
|
+ if (name != null && value != null) {
|
|
|
|
+ props[svg.trim(prop[0])] = new svg.Property(svg.trim(prop[0]), svg.trim(prop[1]));
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Styles[cssClass] = props;
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.style.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // use element
|
|
|
|
+ svg.Element.use = function(node) {
|
|
|
|
+ this.base = svg.Element.RenderedElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.baseSetContext = this.setContext;
|
|
|
|
+ this.setContext = function(ctx) {
|
|
|
|
+ this.baseSetContext(ctx);
|
|
|
|
+ if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').Length.toPixels('x'), 0);
|
|
|
|
+ if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').Length.toPixels('y'));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ this.renderChildren = function(ctx) {
|
|
|
|
+ var element = this.attribute('xlink:href').Definition.getDefinition();
|
|
|
|
+ if (element != null) element.render(ctx);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.use.prototype = new svg.Element.RenderedElementBase;
|
|
|
|
+
|
|
|
|
+ // clip element
|
|
|
|
+ svg.Element.clipPath = function(node) {
|
|
|
|
+ this.base = svg.Element.ElementBase;
|
|
|
|
+ this.base(node);
|
|
|
|
+
|
|
|
|
+ this.apply = function(ctx) {
|
|
|
|
+ for (var i=0; i<this.children.length; i++) {
|
|
|
|
+ if (this.children[i].path) {
|
|
|
|
+ this.children[i].path(ctx);
|
|
|
|
+ ctx.clip();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ svg.Element.clipPath.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // title element, do nothing
|
|
|
|
+ svg.Element.title = function(node) {
|
|
|
|
+ }
|
|
|
|
+ svg.Element.title.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // desc element, do nothing
|
|
|
|
+ svg.Element.desc = function(node) {
|
|
|
|
+ }
|
|
|
|
+ svg.Element.desc.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ svg.Element.MISSING = function(node) {
|
|
|
|
+ console.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
|
|
|
|
+ }
|
|
|
|
+ svg.Element.MISSING.prototype = new svg.Element.ElementBase;
|
|
|
|
+
|
|
|
|
+ // element factory
|
|
|
|
+ svg.CreateElement = function(node) {
|
|
|
|
+ var className = 'svg.Element.' + node.nodeName.replace(/^[^:]+:/,'');
|
|
|
|
+ if (!eval(className)) className = 'svg.Element.MISSING';
|
|
|
|
+
|
|
|
|
+ var e = eval('new ' + className + '(node)');
|
|
|
|
+ e.type = node.nodeName;
|
|
|
|
+ return e;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // load from url
|
|
|
|
+ svg.load = function(ctx, url) {
|
|
|
|
+ svg.loadXml(ctx, svg.ajax(url));
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // load from xml
|
|
|
|
+ svg.loadXml = function(ctx, xml) {
|
|
|
|
+ svg.init(ctx);
|
|
|
|
+
|
|
|
|
+ var dom = svg.parseXml(xml);
|
|
|
|
+ var e = svg.CreateElement(dom.documentElement);
|
|
|
|
+
|
|
|
|
+ // set canvas size
|
|
|
|
+ if (e.attribute('width').hasValue()) {
|
|
|
|
+ ctx.canvas.width = e.attribute('width').Length.toPixels(ctx.canvas.parentNode.clientWidth);
|
|
|
|
+ }
|
|
|
|
+ if (e.attribute('height').hasValue()) {
|
|
|
|
+ ctx.canvas.height = e.attribute('height').Length.toPixels(ctx.canvas.parentNode.clientHeight);
|
|
|
|
+ }
|
|
|
|
+ svg.ViewPort.SetCurrent(ctx.canvas.clientWidth, ctx.canvas.clientHeight);
|
|
|
|
+
|
|
|
|
+ // render loop
|
|
|
|
+ ctx.clearRect(0, 0, ctx.canvas.clientWidth, ctx.canvas.clientHeight);
|
|
|
|
+ e.render(ctx);
|
|
|
|
+ svg.intervalID = setInterval(function() {
|
|
|
|
+ // update animations
|
|
|
|
+ var needUpdate = false;
|
|
|
|
+ for (var i=0; i<svg.Animations.length; i++) {
|
|
|
|
+ needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ // render if needed
|
|
|
|
+ if (needUpdate) {
|
|
|
|
+ ctx.clearRect(0, 0, ctx.canvas.clientWidth, ctx.canvas.clientHeight);
|
|
|
|
+ e.render(ctx);
|
|
|
|
+ }
|
|
|
|
+ }, 1000 / svg.FRAMERATE);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ svg.stop = function() {
|
|
|
|
+ if (svg.intervalID) {
|
|
|
|
+ clearInterval(svg.intervalID);
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ return svg;
|
|
|
|
+ }
|
|
|
|
+})();
|