From 554de444b87aab5f93cb1593a8095612cf9479a7 Mon Sep 17 00:00:00 2001
From: yujian <yujian@163.com>
Date: 星期二, 09 六月 2020 17:34:30 +0800
Subject: [PATCH] 订单
---
fanli/src/main/webapp/admin/new/js/third-party/highcharts/modules/canvas-tools.src.js | 6226 +++++++++++++++++++++++++++++-----------------------------
1 files changed, 3,113 insertions(+), 3,113 deletions(-)
diff --git a/fanli/src/main/webapp/admin/new/js/third-party/highcharts/modules/canvas-tools.src.js b/fanli/src/main/webapp/admin/new/js/third-party/highcharts/modules/canvas-tools.src.js
index 3ebbdcf..178189e 100644
--- a/fanli/src/main/webapp/admin/new/js/third-party/highcharts/modules/canvas-tools.src.js
+++ b/fanli/src/main/webapp/admin/new/js/third-party/highcharts/modules/canvas-tools.src.js
@@ -1,3113 +1,3113 @@
-/**
- * @license A class to parse color values
- * @author Stoyan Stefanov <sstoo@gmail.com>
- * @link http://www.phpied.com/rgb-color-parser-in-javascript/
- * Use it if you like it
- *
- */
-function RGBColor(color_string)
-{
- this.ok = false;
-
- // strip any leading #
- if (color_string.charAt(0) == '#') { // remove # if any
- color_string = color_string.substr(1,6);
- }
-
- color_string = color_string.replace(/ /g,'');
- color_string = color_string.toLowerCase();
-
- // before getting into regexps, try simple matches
- // and overwrite the input
- var simple_colors = {
- aliceblue: 'f0f8ff',
- antiquewhite: 'faebd7',
- aqua: '00ffff',
- aquamarine: '7fffd4',
- azure: 'f0ffff',
- beige: 'f5f5dc',
- bisque: 'ffe4c4',
- black: '000000',
- blanchedalmond: 'ffebcd',
- blue: '0000ff',
- blueviolet: '8a2be2',
- brown: 'a52a2a',
- burlywood: 'deb887',
- cadetblue: '5f9ea0',
- chartreuse: '7fff00',
- chocolate: 'd2691e',
- coral: 'ff7f50',
- cornflowerblue: '6495ed',
- cornsilk: 'fff8dc',
- crimson: 'dc143c',
- cyan: '00ffff',
- darkblue: '00008b',
- darkcyan: '008b8b',
- darkgoldenrod: 'b8860b',
- darkgray: 'a9a9a9',
- darkgreen: '006400',
- darkkhaki: 'bdb76b',
- darkmagenta: '8b008b',
- darkolivegreen: '556b2f',
- darkorange: 'ff8c00',
- darkorchid: '9932cc',
- darkred: '8b0000',
- darksalmon: 'e9967a',
- darkseagreen: '8fbc8f',
- darkslateblue: '483d8b',
- darkslategray: '2f4f4f',
- darkturquoise: '00ced1',
- darkviolet: '9400d3',
- deeppink: 'ff1493',
- deepskyblue: '00bfff',
- dimgray: '696969',
- dodgerblue: '1e90ff',
- feldspar: 'd19275',
- firebrick: 'b22222',
- floralwhite: 'fffaf0',
- forestgreen: '228b22',
- fuchsia: 'ff00ff',
- gainsboro: 'dcdcdc',
- ghostwhite: 'f8f8ff',
- gold: 'ffd700',
- goldenrod: 'daa520',
- gray: '808080',
- green: '008000',
- greenyellow: 'adff2f',
- honeydew: 'f0fff0',
- hotpink: 'ff69b4',
- indianred : 'cd5c5c',
- indigo : '4b0082',
- ivory: 'fffff0',
- khaki: 'f0e68c',
- lavender: 'e6e6fa',
- lavenderblush: 'fff0f5',
- lawngreen: '7cfc00',
- lemonchiffon: 'fffacd',
- lightblue: 'add8e6',
- lightcoral: 'f08080',
- lightcyan: 'e0ffff',
- lightgoldenrodyellow: 'fafad2',
- lightgrey: 'd3d3d3',
- lightgreen: '90ee90',
- lightpink: 'ffb6c1',
- lightsalmon: 'ffa07a',
- lightseagreen: '20b2aa',
- lightskyblue: '87cefa',
- lightslateblue: '8470ff',
- lightslategray: '778899',
- lightsteelblue: 'b0c4de',
- lightyellow: 'ffffe0',
- lime: '00ff00',
- limegreen: '32cd32',
- linen: 'faf0e6',
- magenta: 'ff00ff',
- maroon: '800000',
- mediumaquamarine: '66cdaa',
- mediumblue: '0000cd',
- mediumorchid: 'ba55d3',
- mediumpurple: '9370d8',
- mediumseagreen: '3cb371',
- mediumslateblue: '7b68ee',
- mediumspringgreen: '00fa9a',
- mediumturquoise: '48d1cc',
- mediumvioletred: 'c71585',
- midnightblue: '191970',
- mintcream: 'f5fffa',
- mistyrose: 'ffe4e1',
- moccasin: 'ffe4b5',
- navajowhite: 'ffdead',
- navy: '000080',
- oldlace: 'fdf5e6',
- olive: '808000',
- olivedrab: '6b8e23',
- orange: 'ffa500',
- orangered: 'ff4500',
- orchid: 'da70d6',
- palegoldenrod: 'eee8aa',
- palegreen: '98fb98',
- paleturquoise: 'afeeee',
- palevioletred: 'd87093',
- papayawhip: 'ffefd5',
- peachpuff: 'ffdab9',
- peru: 'cd853f',
- pink: 'ffc0cb',
- plum: 'dda0dd',
- powderblue: 'b0e0e6',
- purple: '800080',
- red: 'ff0000',
- rosybrown: 'bc8f8f',
- royalblue: '4169e1',
- saddlebrown: '8b4513',
- salmon: 'fa8072',
- sandybrown: 'f4a460',
- seagreen: '2e8b57',
- seashell: 'fff5ee',
- sienna: 'a0522d',
- silver: 'c0c0c0',
- skyblue: '87ceeb',
- slateblue: '6a5acd',
- slategray: '708090',
- snow: 'fffafa',
- springgreen: '00ff7f',
- steelblue: '4682b4',
- tan: 'd2b48c',
- teal: '008080',
- thistle: 'd8bfd8',
- tomato: 'ff6347',
- turquoise: '40e0d0',
- violet: 'ee82ee',
- violetred: 'd02090',
- wheat: 'f5deb3',
- white: 'ffffff',
- whitesmoke: 'f5f5f5',
- yellow: 'ffff00',
- yellowgreen: '9acd32'
- };
- for (var key in simple_colors) {
- if (color_string == key) {
- color_string = simple_colors[key];
- }
- }
- // emd of simple type-in colors
-
- // array of color definition objects
- var color_defs = [
- {
- re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
- example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
- process: function (bits){
- return [
- parseInt(bits[1]),
- parseInt(bits[2]),
- parseInt(bits[3])
- ];
- }
- },
- {
- re: /^(\w{2})(\w{2})(\w{2})$/,
- example: ['#00ff00', '336699'],
- process: function (bits){
- return [
- parseInt(bits[1], 16),
- parseInt(bits[2], 16),
- parseInt(bits[3], 16)
- ];
- }
- },
- {
- re: /^(\w{1})(\w{1})(\w{1})$/,
- example: ['#fb0', 'f0f'],
- process: function (bits){
- return [
- parseInt(bits[1] + bits[1], 16),
- parseInt(bits[2] + bits[2], 16),
- parseInt(bits[3] + bits[3], 16)
- ];
- }
- }
- ];
-
- // search through the definitions to find a match
- for (var i = 0; i < color_defs.length; i++) {
- var re = color_defs[i].re;
- var processor = color_defs[i].process;
- var bits = re.exec(color_string);
- if (bits) {
- channels = processor(bits);
- this.r = channels[0];
- this.g = channels[1];
- this.b = channels[2];
- this.ok = true;
- }
-
- }
-
- // validate/cleanup values
- this.r = (this.r < 0 || isNaN(this.r)) ? 0 : ((this.r > 255) ? 255 : this.r);
- this.g = (this.g < 0 || isNaN(this.g)) ? 0 : ((this.g > 255) ? 255 : this.g);
- this.b = (this.b < 0 || isNaN(this.b)) ? 0 : ((this.b > 255) ? 255 : this.b);
-
- // some getters
- this.toRGB = function () {
- return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
- }
- this.toHex = function () {
- var r = this.r.toString(16);
- var g = this.g.toString(16);
- var b = this.b.toString(16);
- if (r.length == 1) r = '0' + r;
- if (g.length == 1) g = '0' + g;
- if (b.length == 1) b = '0' + b;
- return '#' + r + g + b;
- }
-
- // help
- this.getHelpXML = function () {
-
- var examples = new Array();
- // add regexps
- for (var i = 0; i < color_defs.length; i++) {
- var example = color_defs[i].example;
- for (var j = 0; j < example.length; j++) {
- examples[examples.length] = example[j];
- }
- }
- // add type-in colors
- for (var sc in simple_colors) {
- examples[examples.length] = sc;
- }
-
- var xml = document.createElement('ul');
- xml.setAttribute('id', 'rgbcolor-examples');
- for (var i = 0; i < examples.length; i++) {
- try {
- var list_item = document.createElement('li');
- var list_color = new RGBColor(examples[i]);
- var example_div = document.createElement('div');
- example_div.style.cssText =
- 'margin: 3px; '
- + 'border: 1px solid black; '
- + 'background:' + list_color.toHex() + '; '
- + 'color:' + list_color.toHex()
- ;
- example_div.appendChild(document.createTextNode('test'));
- var list_item_value = document.createTextNode(
- ' ' + examples[i] + ' -> ' + list_color.toRGB() + ' -> ' + list_color.toHex()
- );
- list_item.appendChild(example_div);
- list_item.appendChild(list_item_value);
- xml.appendChild(list_item);
-
- } catch(e){}
- }
- return xml;
-
- }
-
-}
-
-/**
- * @license 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) {};
-}
-
-if(!Array.prototype.indexOf){
- Array.prototype.indexOf = function(obj){
- for(var i=0; i<this.length; i++){
- if(this[i]==obj){
- return i;
- }
- }
- return -1;
- }
-}
-
-(function(){
- // canvg(target, s)
- // empty parameters: replace all 'svg' elements on page with 'canvas' elements
- // target: canvas element or the id of a canvas element
- // s: svg string, url to svg file, or xml document
- // opts: optional hash of options
- // ignoreMouse: true => ignore mouse events
- // ignoreAnimation: true => ignore animations
- // ignoreDimensions: true => does not try to resize canvas
- // ignoreClear: true => does not clear canvas
- // offsetX: int => draws at a x offset
- // offsetY: int => draws at a y offset
- // scaleWidth: int => scales horizontally to width
- // scaleHeight: int => scales vertically to height
- // renderCallback: function => will call the function after the first render is completed
- // forceRedraw: function => will call the function on every frame, if it returns true, will redraw
- this.canvg = function (target, s, opts) {
- // no parameters
- if (target == null && s == null && opts == null) {
- var svgTags = document.getElementsByTagName('svg');
- for (var i=0; i<svgTags.length; i++) {
- var svgTag = svgTags[i];
- var c = document.createElement('canvas');
- c.width = svgTag.clientWidth;
- c.height = svgTag.clientHeight;
- svgTag.parentNode.insertBefore(c, svgTag);
- svgTag.parentNode.removeChild(svgTag);
- var div = document.createElement('div');
- div.appendChild(svgTag);
- canvg(c, div.innerHTML);
- }
- return;
- }
- opts = opts || {};
-
- 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();
- }
- svg.opts = opts;
-
- var ctx = target.getContext('2d');
- if (typeof(s.documentElement) != 'undefined') {
- // load from xml doc
- svg.loadXmlDoc(ctx, s);
- }
- else 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;
- svg.MAX_VIRTUAL_PIXELS = 30000;
-
- // globals
- svg.init = function(ctx) {
- svg.Definitions = {};
- svg.Styles = {};
- svg.Animations = [];
- svg.Images = [];
- svg.ctx = ctx;
- svg.ViewPort = new (function () {
- this.viewPorts = [];
- this.Clear = 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();
-
- // images loaded
- svg.ImagesLoaded = function() {
- for (var i=0; i<svg.Images.length; i++) {
- if (!svg.Images[i].loaded) return false;
- }
- return true;
- }
-
- // 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);
- }
-
- this.applyTransform = function(v) {
- var xp = this.x * v[0] + this.y * v[2] + v[4];
- var yp = this.x * v[1] + this.y * v[3] + v[5];
- this.x = xp;
- this.y = yp;
- }
- }
- 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.addBoundingBox = function(bb) {
- this.addPoint(bb.x1, bb.y1);
- this.addPoint(bb.x2, bb.y2);
- }
-
- 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.isPointInBox = function(x, y) {
- return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
- }
-
- 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);
- }
- this.applyToPoint = function(p) {
- p.applyTransform([1, 0, 0, 1, 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.applyToPoint = function(p) {
- var a = this.angle.Angle.toRadians();
- p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
- p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
- p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
- }
- }
-
- 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.applyToPoint = function(p) {
- p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 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.applyToPoint = function(p) {
- p.applyTransform(this.m);
- }
- }
-
- 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);
- }
- }
-
- this.applyToPoint = function(p) {
- for (var i=0; i<this.transforms.length; i++) {
- this.transforms[i].applyToPoint(p);
- }
- }
-
- var data = svg.trim(svg.compressSpaces(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 = new this.Type[type](s);
- this.transforms.push(transform);
- }
- }
-
- // aspect ratio
- svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
- // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
- aspectRatio = svg.compressSpaces(aspectRatio);
- aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer
- var align = aspectRatio.split(' ')[0] || 'xMidYMid';
- var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
-
- // calculate scale
- var scaleX = width / desiredWidth;
- var scaleY = height / desiredHeight;
- var scaleMin = Math.min(scaleX, scaleY);
- var scaleMax = Math.max(scaleX, scaleY);
- if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; }
- if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; }
-
- refX = new svg.Property('refX', refX);
- refY = new svg.Property('refY', refY);
- if (refX.hasValue() && refY.hasValue()) {
- ctx.translate(-scaleMin * refX.Length.toPixels('x'), -scaleMin * refY.Length.toPixels('y'));
- }
- else {
- // align
- if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
- if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
- if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
- if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
- }
-
- // scale
- if (align == 'none') ctx.scale(scaleX, scaleY);
- else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
- else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
-
- // translate
- ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
- }
-
- // 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, crawls up node tree
- 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;
- }
-
- var p = this.parent;
- if (p != null) {
- var ps = p.style(name);
- if (ps != null && ps.hasValue()) {
- return ps;
- }
- }
-
- s = new svg.Property(name, '');
- if (createIfNotExists == true) this.styles[name] = s;
- return s;
- }
-
- // base render
- this.render = function(ctx) {
- // don't render display=none
- if (this.style('display').value == 'none') return;
-
- // don't render visibility=hidden
- if (this.attribute('visibility').value == 'hidden') return;
-
- ctx.save();
- this.setContext(ctx);
- // mask
- if (this.attribute('mask').hasValue()) {
- var mask = this.attribute('mask').Definition.getDefinition();
- if (mask != null) mask.apply(ctx, this);
- }
- else if (this.style('filter').hasValue()) {
- var filter = this.style('filter').Definition.getDefinition();
- if (filter != null) filter.apply(ctx, this);
- }
- else 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[node.nodeName];
- 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];
- }
- }
- styles = svg.Styles[node.nodeName+'.'+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);
- }
- }
- }
-
- // add id
- if (this.attribute('id').hasValue()) {
- if (svg.Definitions[this.attribute('id').value] == null) {
- 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);
- svg.Mouse.checkPath(this, ctx);
- if (ctx.fillStyle != '') ctx.fill();
- if (ctx.strokeStyle != '') ctx.stroke();
-
- var markers = this.getMarkers();
- if (markers != null) {
- if (this.style('marker-start').Definition.isUrl()) {
- var marker = this.style('marker-start').Definition.getDefinition();
- marker.render(ctx, markers[0][0], markers[0][1]);
- }
- if (this.style('marker-mid').Definition.isUrl()) {
- var marker = this.style('marker-mid').Definition.getDefinition();
- for (var i=1;i<markers.length-1;i++) {
- marker.render(ctx, markers[i][0], markers[i][1]);
- }
- }
- if (this.style('marker-end').Definition.isUrl()) {
- var marker = this.style('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) {
- // initial values
- ctx.strokeStyle = 'rgba(0,0,0,0)';
- ctx.lineCap = 'butt';
- ctx.lineJoin = 'miter';
- ctx.miterLimit = 4;
-
- 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 (typeof(this.root) == 'undefined' && 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];
-
- svg.AspectRatio(ctx,
- this.attribute('preserveAspectRatio').value,
- svg.ViewPort.width(),
- width,
- svg.ViewPort.height(),
- height,
- minX,
- minY,
- this.attribute('refX').value,
- this.attribute('refY').value);
-
- svg.ViewPort.RemoveCurrent();
- svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
- }
- }
- }
- 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: 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(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
- d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
- d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points
- d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/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 $4 '); // shorthand elliptical arc path syntax
- d = svg.compressSpaces(d); // compress multiple spaces
- d = svg.trim(d);
- this.PathParser = new (function(d) {
- this.tokens = d.split(' ');
-
- this.reset = function() {
- this.i = -1;
- this.command = '';
- this.previousCommand = '';
- this.start = new svg.Point(0, 0);
- this.control = new svg.Point(0, 0);
- this.current = new svg.Point(0, 0);
- this.points = [];
- this.angles = [];
- }
-
- this.isEnd = function() {
- return this.i >= this.tokens.length - 1;
- }
-
- this.isCommandOrEnd = function() {
- if (this.isEnd()) return true;
- return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != 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.previousCommand = this.command;
- 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() {
- if (this.previousCommand.toLowerCase() != 'c' && this.previousCommand.toLowerCase() != 's') {
- return this.current;
- }
-
- // reflect point
- var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
- return 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, priorTo) {
- // if the last angle isn't filled in because we didn't have this point yet ...
- if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
- this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
- }
- 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();
- switch (pp.command.toUpperCase()) {
- case 'M':
- var p = pp.getAsCurrentPoint();
- pp.addMarker(p);
- bb.addPoint(p.x, p.y);
- if (ctx != null) ctx.moveTo(p.x, p.y);
- pp.start = pp.current;
- while (!pp.isCommandOrEnd()) {
- var p = pp.getAsCurrentPoint();
- pp.addMarker(p, pp.start);
- bb.addPoint(p.x, p.y);
- if (ctx != null) ctx.lineTo(p.x, p.y);
- }
- break;
- case '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);
- }
- break;
- case '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);
- }
- break;
- case '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);
- }
- break;
- case 'C':
- while (!pp.isCommandOrEnd()) {
- var curr = pp.current;
- var p1 = pp.getPoint();
- var cntrl = pp.getAsControlPoint();
- var cp = pp.getAsCurrentPoint();
- pp.addMarker(cp, cntrl, p1);
- 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);
- }
- break;
- case 'S':
- while (!pp.isCommandOrEnd()) {
- var curr = pp.current;
- var p1 = pp.getReflectedControlPoint();
- var cntrl = pp.getAsControlPoint();
- var cp = pp.getAsCurrentPoint();
- pp.addMarker(cp, cntrl, p1);
- 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);
- }
- break;
- case 'Q':
- while (!pp.isCommandOrEnd()) {
- var curr = pp.current;
- var cntrl = pp.getAsControlPoint();
- var cp = pp.getAsCurrentPoint();
- pp.addMarker(cp, cntrl, 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);
- }
- break;
- case 'T':
- while (!pp.isCommandOrEnd()) {
- var curr = pp.current;
- var cntrl = pp.getReflectedControlPoint();
- pp.control = cntrl;
- var cp = pp.getAsCurrentPoint();
- pp.addMarker(cp, cntrl, 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);
- }
- break;
- case '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);
- }
- }
- break;
- case 'Z':
- if (ctx != null) ctx.closePath();
- pp.current = pp.start;
- }
- }
-
- 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('x');
- c.height = this.attribute('height').Length.toPixels('y');
- 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 stopsContainer = this;
- if (this.attribute('xlink:href').hasValue()) {
- stopsContainer = this.attribute('xlink:href').Definition.getDefinition();
- }
-
- var g = this.getGradient(ctx, element);
- for (var i=0; i<stopsContainer.stops.length; i++) {
- g.addColorStop(stopsContainer.stops[i].offset, stopsContainer.stops[i].color);
- }
-
- if (this.attribute('gradientTransform').hasValue()) {
- // render as transformed pattern on temporary canvas
- var rootView = svg.ViewPort.viewPorts[0];
-
- var rect = new svg.Element.rect();
- rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
- rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
- rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
- rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
-
- var group = new svg.Element.g();
- group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
- group.children = [ rect ];
-
- var tempSvg = new svg.Element.svg();
- tempSvg.attributes['x'] = new svg.Property('x', 0);
- tempSvg.attributes['y'] = new svg.Property('y', 0);
- tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
- tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
- tempSvg.children = [ group ];
-
- var c = document.createElement('canvas');
- c.width = rootView.width;
- c.height = rootView.height;
- var tempCtx = c.getContext('2d');
- tempCtx.fillStyle = g;
- tempSvg.render(tempCtx);
- return tempCtx.createPattern(c, 'no-repeat');
- }
-
- 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.getProperty = function() {
- var attributeType = this.attribute('attributeType').value;
- var attributeName = this.attribute('attributeName').value;
-
- if (attributeType == 'CSS') {
- return this.parent.style(attributeName, true);
- }
- return this.parent.attribute(attributeName, true);
- };
-
- this.initialValue = null;
- this.removed = false;
-
- this.calcValue = function() {
- // OVERRIDE ME!
- return '';
- }
-
- this.update = function(delta) {
- // set initial value
- if (this.initialValue == null) {
- this.initialValue = this.getProperty().value;
- }
-
- // 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 if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
- this.removed = true;
- this.getProperty().value = this.initialValue;
- return true;
- }
- 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
-
- if (this.attribute('type').hasValue()) {
- // for transform, etc.
- var type = this.attribute('type').value;
- newValue = type + '(' + newValue + ')';
- }
-
- this.getProperty().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;
-
- // font element
- svg.Element.font = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- this.horizAdvX = this.attribute('horiz-adv-x').numValue();
-
- this.isRTL = false;
- this.isArabic = false;
- this.fontFace = null;
- this.missingGlyph = null;
- this.glyphs = [];
- for (var i=0; i<this.children.length; i++) {
- var child = this.children[i];
- if (child.type == 'font-face') {
- this.fontFace = child;
- if (child.style('font-family').hasValue()) {
- svg.Definitions[child.style('font-family').value] = this;
- }
- }
- else if (child.type == 'missing-glyph') this.missingGlyph = child;
- else if (child.type == 'glyph') {
- if (child.arabicForm != '') {
- this.isRTL = true;
- this.isArabic = true;
- if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = [];
- this.glyphs[child.unicode][child.arabicForm] = child;
- }
- else {
- this.glyphs[child.unicode] = child;
- }
- }
- }
- }
- svg.Element.font.prototype = new svg.Element.ElementBase;
-
- // font-face element
- svg.Element.fontface = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- this.ascent = this.attribute('ascent').value;
- this.descent = this.attribute('descent').value;
- this.unitsPerEm = this.attribute('units-per-em').numValue();
- }
- svg.Element.fontface.prototype = new svg.Element.ElementBase;
-
- // missing-glyph element
- svg.Element.missingglyph = function(node) {
- this.base = svg.Element.path;
- this.base(node);
-
- this.horizAdvX = 0;
- }
- svg.Element.missingglyph.prototype = new svg.Element.path;
-
- // glyph element
- svg.Element.glyph = function(node) {
- this.base = svg.Element.path;
- this.base(node);
-
- this.horizAdvX = this.attribute('horiz-adv-x').numValue();
- this.unicode = this.attribute('unicode').value;
- this.arabicForm = this.attribute('arabic-form').value;
- }
- svg.Element.glyph.prototype = new svg.Element.path;
-
- // 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.style('dominant-baseline').hasValue()) ctx.textBaseline = this.style('dominant-baseline').value;
- if (this.style('alignment-baseline').hasValue()) ctx.textBaseline = this.style('alignment-baseline').value;
- }
-
- this.renderChildren = function(ctx) {
- var textAnchor = this.style('text-anchor').valueOrDefault('start');
- 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++) {
- var child = this.children[i];
-
- if (child.attribute('x').hasValue()) {
- child.x = child.attribute('x').Length.toPixels('x');
- }
- else {
- if (child.attribute('dx').hasValue()) x += child.attribute('dx').Length.toPixels('x');
- child.x = x;
- }
-
- var childLength = child.measureText(ctx);
- if (textAnchor != 'start' && (i==0 || child.attribute('x').hasValue())) { // new group?
- // loop through rest of children
- var groupLength = childLength;
- for (var j=i+1; j<this.children.length; j++) {
- var childInGroup = this.children[j];
- if (childInGroup.attribute('x').hasValue()) break; // new group
- groupLength += childInGroup.measureText(ctx);
- }
- child.x -= (textAnchor == 'end' ? groupLength : groupLength / 2.0);
- }
- x = child.x + childLength;
-
- if (child.attribute('y').hasValue()) {
- child.y = child.attribute('y').Length.toPixels('y');
- }
- else {
- if (child.attribute('dy').hasValue()) y += child.attribute('dy').Length.toPixels('y');
- child.y = y;
- }
- y = child.y;
-
- child.render(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.getGlyph = function(font, text, i) {
- var c = text[i];
- var glyph = null;
- if (font.isArabic) {
- var arabicForm = 'isolated';
- if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
- if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
- if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
- if (typeof(font.glyphs[c]) != 'undefined') {
- glyph = font.glyphs[c][arabicForm];
- if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
- }
- }
- else {
- glyph = font.glyphs[c];
- }
- if (glyph == null) glyph = font.missingGlyph;
- return glyph;
- }
-
- this.renderChildren = function(ctx) {
- var customFont = this.parent.style('font-family').Definition.getDefinition();
- if (customFont != null) {
- var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
- var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
- var text = this.getText();
- if (customFont.isRTL) text = text.split("").reverse().join("");
-
- var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
- for (var i=0; i<text.length; i++) {
- var glyph = this.getGlyph(customFont, text, i);
- var scale = fontSize / customFont.fontFace.unitsPerEm;
- ctx.translate(this.x, this.y);
- ctx.scale(scale, -scale);
- var lw = ctx.lineWidth;
- ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
- if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
- glyph.render(ctx);
- if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
- ctx.lineWidth = lw;
- ctx.scale(1/scale, -1/scale);
- ctx.translate(-this.x, -this.y);
-
- this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
- if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
- this.x += dx[i];
- }
- }
- return;
- }
-
- if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
- if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
- }
-
- this.getText = function() {
- // OVERRIDE ME
- }
-
- this.measureText = function(ctx) {
- var customFont = this.parent.style('font-family').Definition.getDefinition();
- if (customFont != null) {
- var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
- var measure = 0;
- var text = this.getText();
- if (customFont.isRTL) text = text.split("").reverse().join("");
- var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
- for (var i=0; i<text.length; i++) {
- var glyph = this.getGlyph(customFont, text, i);
- measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
- if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
- measure += dx[i];
- }
- }
- return measure;
- }
-
- var textToMeasure = svg.compressSpaces(this.getText());
- if (!ctx.measureText) return textToMeasure.length * 10;
-
- ctx.save();
- this.setContext(ctx);
- var width = ctx.measureText(textToMeasure).width;
- ctx.restore();
- return width;
- }
- }
- svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
-
- // tspan
- svg.Element.tspan = function(node) {
- this.base = svg.Element.TextElementBase;
- this.base(node);
-
- this.text = node.nodeType == 3 ? node.nodeValue : // text
- node.childNodes.length > 0 ? node.childNodes[0].nodeValue : // element
- node.text;
- 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;
-
- // a element
- svg.Element.a = function(node) {
- this.base = svg.Element.TextElementBase;
- this.base(node);
-
- this.hasText = true;
- for (var i=0; i<node.childNodes.length; i++) {
- if (node.childNodes[i].nodeType != 3) this.hasText = false;
- }
-
- // this might contain text
- this.text = this.hasText ? node.childNodes[0].nodeValue : '';
- this.getText = function() {
- return this.text;
- }
-
- this.baseRenderChildren = this.renderChildren;
- this.renderChildren = function(ctx) {
- if (this.hasText) {
- // render as text element
- this.baseRenderChildren(ctx);
- var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
- svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.Length.toPixels('y'), this.x + this.measureText(ctx), this.y));
- }
- else {
- // render as temporary group
- var g = new svg.Element.g();
- g.children = this.children;
- g.parent = this;
- g.render(ctx);
- }
- }
-
- this.onclick = function() {
- window.open(this.attribute('xlink:href').value);
- }
-
- this.onmousemove = function() {
- svg.ctx.canvas.style.cursor = 'pointer';
- }
- }
- svg.Element.a.prototype = new svg.Element.TextElementBase;
-
- // image element
- svg.Element.image = function(node) {
- this.base = svg.Element.RenderedElementBase;
- this.base(node);
-
- svg.Images.push(this);
- this.img = document.createElement('img');
- this.loaded = false;
- var that = this;
- this.img.onload = function() { that.loaded = true; }
- this.img.src = this.attribute('xlink:href').value;
-
- this.renderChildren = 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');
- if (width == 0 || height == 0) return;
-
- ctx.save();
- ctx.translate(x, y);
- svg.AspectRatio(ctx,
- this.attribute('preserveAspectRatio').value,
- width,
- this.img.width,
- height,
- this.img.height,
- 0,
- 0);
- ctx.drawImage(this.img, 0, 0);
- ctx.restore();
- }
- }
- svg.Element.image.prototype = new svg.Element.RenderedElementBase;
-
- // group element
- svg.Element.g = function(node) {
- this.base = svg.Element.RenderedElementBase;
- this.base(node);
-
- this.getBoundingBox = function() {
- var bb = new svg.BoundingBox();
- for (var i=0; i<this.children.length; i++) {
- bb.addBoundingBox(this.children[i].getBoundingBox());
- }
- return bb;
- };
- }
- svg.Element.g.prototype = new svg.Element.RenderedElementBase;
-
- // symbol element
- svg.Element.symbol = function(node) {
- this.base = svg.Element.RenderedElementBase;
- this.base(node);
-
- this.baseSetContext = this.setContext;
- this.setContext = function(ctx) {
- this.baseSetContext(ctx);
-
- // 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];
-
- svg.AspectRatio(ctx,
- this.attribute('preserveAspectRatio').value,
- this.attribute('width').Length.toPixels('x'),
- width,
- this.attribute('height').Length.toPixels('y'),
- height,
- minX,
- minY);
-
- svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
- }
- }
- }
- svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
-
- // style element
- svg.Element.style = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- // text, or spaces then CDATA
- var css = node.childNodes[0].nodeValue + (node.childNodes.length > 1 ? node.childNodes[1].nodeValue : '');
- css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/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].indexOf(':');
- var name = cssProps[k].substr(0, prop);
- var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
- if (name != null && value != null) {
- props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
- }
- }
- svg.Styles[cssClass] = props;
- if (cssClass == '@font-face') {
- var fontFamily = props['font-family'].value.replace(/"/g,'');
- var srcs = props['src'].value.split(',');
- for (var s=0; s<srcs.length; s++) {
- if (srcs[s].indexOf('format("svg")') > 0) {
- var urlStart = srcs[s].indexOf('url');
- var urlEnd = srcs[s].indexOf(')', urlStart);
- var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
- var doc = svg.parseXml(svg.ajax(url));
- var fonts = doc.getElementsByTagName('font');
- for (var f=0; f<fonts.length; f++) {
- var font = svg.CreateElement(fonts[f]);
- svg.Definitions[fontFamily] = font;
- }
- }
- }
- }
- }
- }
- }
- }
- }
- 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.getDefinition = function() {
- var element = this.attribute('xlink:href').Definition.getDefinition();
- if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value;
- if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value;
- return element;
- }
-
- this.path = function(ctx) {
- var element = this.getDefinition();
- if (element != null) element.path(ctx);
- }
-
- this.renderChildren = function(ctx) {
- var element = this.getDefinition();
- if (element != null) element.render(ctx);
- }
- }
- svg.Element.use.prototype = new svg.Element.RenderedElementBase;
-
- // mask element
- svg.Element.mask = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- this.apply = function(ctx, element) {
- // render as temp svg
- 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');
-
- // temporarily remove mask to avoid recursion
- var mask = element.attribute('mask').value;
- element.attribute('mask').value = '';
-
- var cMask = document.createElement('canvas');
- cMask.width = x + width;
- cMask.height = y + height;
- var maskCtx = cMask.getContext('2d');
- this.renderChildren(maskCtx);
-
- var c = document.createElement('canvas');
- c.width = x + width;
- c.height = y + height;
- var tempCtx = c.getContext('2d');
- element.render(tempCtx);
- tempCtx.globalCompositeOperation = 'destination-in';
- tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
- tempCtx.fillRect(0, 0, x + width, y + height);
-
- ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
- ctx.fillRect(0, 0, x + width, y + height);
-
- // reassign mask
- element.attribute('mask').value = mask;
- }
-
- this.render = function(ctx) {
- // NO RENDER
- }
- }
- svg.Element.mask.prototype = new svg.Element.ElementBase;
-
- // 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();
- }
- }
- }
-
- this.render = function(ctx) {
- // NO RENDER
- }
- }
- svg.Element.clipPath.prototype = new svg.Element.ElementBase;
-
- // filters
- svg.Element.filter = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- this.apply = function(ctx, element) {
- // render as temp svg
- var bb = element.getBoundingBox();
- var x = this.attribute('x').Length.toPixels('x');
- var y = this.attribute('y').Length.toPixels('y');
- if (x == 0 || y == 0) {
- x = bb.x1;
- y = bb.y1;
- }
- var width = this.attribute('width').Length.toPixels('x');
- var height = this.attribute('height').Length.toPixels('y');
- if (width == 0 || height == 0) {
- width = bb.width();
- height = bb.height();
- }
-
- // temporarily remove filter to avoid recursion
- var filter = element.style('filter').value;
- element.style('filter').value = '';
-
- // max filter distance
- var extraPercent = .20;
- var px = extraPercent * width;
- var py = extraPercent * height;
-
- var c = document.createElement('canvas');
- c.width = width + 2*px;
- c.height = height + 2*py;
- var tempCtx = c.getContext('2d');
- tempCtx.translate(-x + px, -y + py);
- element.render(tempCtx);
-
- // apply filters
- for (var i=0; i<this.children.length; i++) {
- this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py);
- }
-
- // render on me
- ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py);
-
- // reassign filter
- element.style('filter', true).value = filter;
- }
-
- this.render = function(ctx) {
- // NO RENDER
- }
- }
- svg.Element.filter.prototype = new svg.Element.ElementBase;
-
- svg.Element.feGaussianBlur = function(node) {
- this.base = svg.Element.ElementBase;
- this.base(node);
-
- function make_fgauss(sigma) {
- sigma = Math.max(sigma, 0.01);
- var len = Math.ceil(sigma * 4.0) + 1;
- mask = [];
- for (var i = 0; i < len; i++) {
- mask[i] = Math.exp(-0.5 * (i / sigma) * (i / sigma));
- }
- return mask;
- }
-
- function normalize(mask) {
- var sum = 0;
- for (var i = 1; i < mask.length; i++) {
- sum += Math.abs(mask[i]);
- }
- sum = 2 * sum + Math.abs(mask[0]);
- for (var i = 0; i < mask.length; i++) {
- mask[i] /= sum;
- }
- return mask;
- }
-
- function convolve_even(src, dst, mask, width, height) {
- for (var y = 0; y < height; y++) {
- for (var x = 0; x < width; x++) {
- var a = imGet(src, x, y, width, height, 3)/255;
- for (var rgba = 0; rgba < 4; rgba++) {
- var sum = mask[0] * (a==0?255:imGet(src, x, y, width, height, rgba)) * (a==0||rgba==3?1:a);
- for (var i = 1; i < mask.length; i++) {
- var a1 = imGet(src, Math.max(x-i,0), y, width, height, 3)/255;
- var a2 = imGet(src, Math.min(x+i, width-1), y, width, height, 3)/255;
- sum += mask[i] *
- ((a1==0?255:imGet(src, Math.max(x-i,0), y, width, height, rgba)) * (a1==0||rgba==3?1:a1) +
- (a2==0?255:imGet(src, Math.min(x+i, width-1), y, width, height, rgba)) * (a2==0||rgba==3?1:a2));
- }
- imSet(dst, y, x, height, width, rgba, sum);
- }
- }
- }
- }
-
- function imGet(img, x, y, width, height, rgba) {
- return img[y*width*4 + x*4 + rgba];
- }
-
- function imSet(img, x, y, width, height, rgba, val) {
- img[y*width*4 + x*4 + rgba] = val;
- }
-
- function blur(ctx, width, height, sigma)
- {
- var srcData = ctx.getImageData(0, 0, width, height);
- var mask = make_fgauss(sigma);
- mask = normalize(mask);
- tmp = [];
- convolve_even(srcData.data, tmp, mask, width, height);
- convolve_even(tmp, srcData.data, mask, height, width);
- ctx.clearRect(0, 0, width, height);
- ctx.putImageData(srcData, 0, 0);
- }
-
- this.apply = function(ctx, x, y, width, height) {
- // assuming x==0 && y==0 for now
- blur(ctx, width, height, this.attribute('stdDeviation').numValue());
- }
- }
- svg.Element.filter.prototype = new svg.Element.feGaussianBlur;
-
- // 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 = node.nodeName.replace(/^[^:]+:/,''); // remove namespace
- className = className.replace(/\-/g,''); // remove dashes
- var e = null;
- if (typeof(svg.Element[className]) != 'undefined') {
- e = new svg.Element[className](node);
- }
- else {
- e = new svg.Element.MISSING(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.loadXmlDoc(ctx, svg.parseXml(xml));
- }
-
- svg.loadXmlDoc = function(ctx, dom) {
- svg.init(ctx);
-
- var mapXY = function(p) {
- var e = ctx.canvas;
- while (e) {
- p.x -= e.offsetLeft;
- p.y -= e.offsetTop;
- e = e.offsetParent;
- }
- if (window.scrollX) p.x += window.scrollX;
- if (window.scrollY) p.y += window.scrollY;
- return p;
- }
-
- // bind mouse
- if (svg.opts['ignoreMouse'] != true) {
- ctx.canvas.onclick = function(e) {
- var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
- svg.Mouse.onclick(p.x, p.y);
- };
- ctx.canvas.onmousemove = function(e) {
- var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
- svg.Mouse.onmousemove(p.x, p.y);
- };
- }
-
- var e = svg.CreateElement(dom.documentElement);
- e.root = true;
-
- // render loop
- var isFirstRender = true;
- var draw = function() {
- svg.ViewPort.Clear();
- if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
-
- if (svg.opts['ignoreDimensions'] != true) {
- // set canvas size
- if (e.style('width').hasValue()) {
- ctx.canvas.width = e.style('width').Length.toPixels('x');
- ctx.canvas.style.width = ctx.canvas.width + 'px';
- }
- if (e.style('height').hasValue()) {
- ctx.canvas.height = e.style('height').Length.toPixels('y');
- ctx.canvas.style.height = ctx.canvas.height + 'px';
- }
- }
- var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
- var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
- svg.ViewPort.SetCurrent(cWidth, cHeight);
-
- if (svg.opts != null && svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
- if (svg.opts != null && svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
- if (svg.opts != null && svg.opts['scaleWidth'] != null && svg.opts['scaleHeight'] != null) {
- var xRatio = 1, yRatio = 1;
- if (e.attribute('width').hasValue()) xRatio = e.attribute('width').Length.toPixels('x') / svg.opts['scaleWidth'];
- if (e.attribute('height').hasValue()) yRatio = e.attribute('height').Length.toPixels('y') / svg.opts['scaleHeight'];
-
- e.attribute('width', true).value = svg.opts['scaleWidth'];
- e.attribute('height', true).value = svg.opts['scaleHeight'];
- e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio);
- e.attribute('preserveAspectRatio', true).value = 'none';
- }
-
- // clear and render
- if (svg.opts['ignoreClear'] != true) {
- ctx.clearRect(0, 0, cWidth, cHeight);
- }
- e.render(ctx);
- if (isFirstRender) {
- isFirstRender = false;
- if (svg.opts != null && typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback']();
- }
- }
-
- var waitingForImages = true;
- if (svg.ImagesLoaded()) {
- waitingForImages = false;
- draw();
- }
- svg.intervalID = setInterval(function() {
- var needUpdate = false;
-
- if (waitingForImages && svg.ImagesLoaded()) {
- waitingForImages = false;
- needUpdate = true;
- }
-
- // need update from mouse events?
- if (svg.opts['ignoreMouse'] != true) {
- needUpdate = needUpdate | svg.Mouse.hasEvents();
- }
-
- // need update from animations?
- if (svg.opts['ignoreAnimation'] != true) {
- for (var i=0; i<svg.Animations.length; i++) {
- needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
- }
- }
-
- // need update from redraw?
- if (svg.opts != null && typeof(svg.opts['forceRedraw']) == 'function') {
- if (svg.opts['forceRedraw']() == true) needUpdate = true;
- }
-
- // render if needed
- if (needUpdate) {
- draw();
- svg.Mouse.runEvents(); // run and clear our events
- }
- }, 1000 / svg.FRAMERATE);
- }
-
- svg.stop = function() {
- if (svg.intervalID) {
- clearInterval(svg.intervalID);
- }
- }
-
- svg.Mouse = new (function() {
- this.events = [];
- this.hasEvents = function() { return this.events.length != 0; }
-
- this.onclick = function(x, y) {
- this.events.push({ type: 'onclick', x: x, y: y,
- run: function(e) { if (e.onclick) e.onclick(); }
- });
- }
-
- this.onmousemove = function(x, y) {
- this.events.push({ type: 'onmousemove', x: x, y: y,
- run: function(e) { if (e.onmousemove) e.onmousemove(); }
- });
- }
-
- this.eventElements = [];
-
- this.checkPath = function(element, ctx) {
- for (var i=0; i<this.events.length; i++) {
- var e = this.events[i];
- if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
- }
- }
-
- this.checkBoundingBox = function(element, bb) {
- for (var i=0; i<this.events.length; i++) {
- var e = this.events[i];
- if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
- }
- }
-
- this.runEvents = function() {
- svg.ctx.canvas.style.cursor = '';
-
- for (var i=0; i<this.events.length; i++) {
- var e = this.events[i];
- var element = this.eventElements[i];
- while (element) {
- e.run(element);
- element = element.parent;
- }
- }
-
- // done running, clear
- this.events = [];
- this.eventElements = [];
- }
- });
-
- return svg;
- }
-})();
-
-if (CanvasRenderingContext2D) {
- CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
- canvg(this.canvas, s, {
- ignoreMouse: true,
- ignoreAnimation: true,
- ignoreDimensions: true,
- ignoreClear: true,
- offsetX: dx,
- offsetY: dy,
- scaleWidth: dw,
- scaleHeight: dh
- });
- }
-}/**
- * @license Highcharts JS v3.0.6 (2013-10-04)
- * CanVGRenderer Extension module
- *
- * (c) 2011-2012 Torstein H酶nsi, Erik Olsson
- *
- * License: www.highcharts.com/license
- */
-
-// JSLint options:
-/*global Highcharts */
-
-(function (Highcharts) { // encapsulate
- var UNDEFINED,
- DIV = 'div',
- ABSOLUTE = 'absolute',
- RELATIVE = 'relative',
- HIDDEN = 'hidden',
- VISIBLE = 'visible',
- PX = 'px',
- css = Highcharts.css,
- CanVGRenderer = Highcharts.CanVGRenderer,
- SVGRenderer = Highcharts.SVGRenderer,
- extend = Highcharts.extend,
- merge = Highcharts.merge,
- addEvent = Highcharts.addEvent,
- createElement = Highcharts.createElement,
- discardElement = Highcharts.discardElement;
-
- // Extend CanVG renderer on demand, inherit from SVGRenderer
- extend(CanVGRenderer.prototype, SVGRenderer.prototype);
-
- // Add additional functionality:
- extend(CanVGRenderer.prototype, {
- create: function (chart, container, chartWidth, chartHeight) {
- this.setContainer(container, chartWidth, chartHeight);
- this.configure(chart);
- },
- setContainer: function (container, chartWidth, chartHeight) {
- var containerStyle = container.style,
- containerParent = container.parentNode,
- containerLeft = containerStyle.left,
- containerTop = containerStyle.top,
- containerOffsetWidth = container.offsetWidth,
- containerOffsetHeight = container.offsetHeight,
- canvas,
- initialHiddenStyle = { visibility: HIDDEN, position: ABSOLUTE };
-
- this.init.apply(this, [container, chartWidth, chartHeight]);
-
- // add the canvas above it
- canvas = createElement('canvas', {
- width: containerOffsetWidth,
- height: containerOffsetHeight
- }, {
- position: RELATIVE,
- left: containerLeft,
- top: containerTop
- }, container);
- this.canvas = canvas;
-
- // Create the tooltip line and div, they are placed as siblings to
- // the container (and as direct childs to the div specified in the html page)
- this.ttLine = createElement(DIV, null, initialHiddenStyle, containerParent);
- this.ttDiv = createElement(DIV, null, initialHiddenStyle, containerParent);
- this.ttTimer = UNDEFINED;
-
- // Move away the svg node to a new div inside the container's parent so we can hide it.
- var hiddenSvg = createElement(DIV, {
- width: containerOffsetWidth,
- height: containerOffsetHeight
- }, {
- visibility: HIDDEN,
- left: containerLeft,
- top: containerTop
- }, containerParent);
- this.hiddenSvg = hiddenSvg;
- hiddenSvg.appendChild(this.box);
- },
-
- /**
- * Configures the renderer with the chart. Attach a listener to the event tooltipRefresh.
- **/
- configure: function (chart) {
- var renderer = this,
- options = chart.options.tooltip,
- borderWidth = options.borderWidth,
- tooltipDiv = renderer.ttDiv,
- tooltipDivStyle = options.style,
- tooltipLine = renderer.ttLine,
- padding = parseInt(tooltipDivStyle.padding, 10);
-
- // Add border styling from options to the style
- tooltipDivStyle = merge(tooltipDivStyle, {
- padding: padding + PX,
- 'background-color': options.backgroundColor,
- 'border-style': 'solid',
- 'border-width': borderWidth + PX,
- 'border-radius': options.borderRadius + PX
- });
-
- // Optionally add shadow
- if (options.shadow) {
- tooltipDivStyle = merge(tooltipDivStyle, {
- 'box-shadow': '1px 1px 3px gray', // w3c
- '-webkit-box-shadow': '1px 1px 3px gray' // webkit
- });
- }
- css(tooltipDiv, tooltipDivStyle);
-
- // Set simple style on the line
- css(tooltipLine, {
- 'border-left': '1px solid darkgray'
- });
-
- // This event is triggered when a new tooltip should be shown
- addEvent(chart, 'tooltipRefresh', function (args) {
- var chartContainer = chart.container,
- offsetLeft = chartContainer.offsetLeft,
- offsetTop = chartContainer.offsetTop,
- position;
-
- // Set the content of the tooltip
- tooltipDiv.innerHTML = args.text;
-
- // Compute the best position for the tooltip based on the divs size and container size.
- position = chart.tooltip.getPosition(tooltipDiv.offsetWidth, tooltipDiv.offsetHeight, {plotX: args.x, plotY: args.y});
-
- css(tooltipDiv, {
- visibility: VISIBLE,
- left: position.x + PX,
- top: position.y + PX,
- 'border-color': args.borderColor
- });
-
- // Position the tooltip line
- css(tooltipLine, {
- visibility: VISIBLE,
- left: offsetLeft + args.x + PX,
- top: offsetTop + chart.plotTop + PX,
- height: chart.plotHeight + PX
- });
-
- // This timeout hides the tooltip after 3 seconds
- // First clear any existing timer
- if (renderer.ttTimer !== UNDEFINED) {
- clearTimeout(renderer.ttTimer);
- }
-
- // Start a new timer that hides tooltip and line
- renderer.ttTimer = setTimeout(function () {
- css(tooltipDiv, { visibility: HIDDEN });
- css(tooltipLine, { visibility: HIDDEN });
- }, 3000);
- });
- },
-
- /**
- * Extend SVGRenderer.destroy to also destroy the elements added by CanVGRenderer.
- */
- destroy: function () {
- var renderer = this;
-
- // Remove the canvas
- discardElement(renderer.canvas);
-
- // Kill the timer
- if (renderer.ttTimer !== UNDEFINED) {
- clearTimeout(renderer.ttTimer);
- }
-
- // Remove the divs for tooltip and line
- discardElement(renderer.ttLine);
- discardElement(renderer.ttDiv);
- discardElement(renderer.hiddenSvg);
-
- // Continue with base class
- return SVGRenderer.prototype.destroy.apply(renderer);
- },
-
- /**
- * Take a color and return it if it's a string, do not make it a gradient even if it is a
- * gradient. Currently canvg cannot render gradients (turns out black),
- * see: http://code.google.com/p/canvg/issues/detail?id=104
- *
- * @param {Object} color The color or config object
- */
- color: function (color, elem, prop) {
- if (color && color.linearGradient) {
- // Pick the end color and forward to base implementation
- color = color.stops[color.stops.length - 1][1];
- }
- return SVGRenderer.prototype.color.call(this, color, elem, prop);
- },
-
- /**
- * Draws the SVG on the canvas or adds a draw invokation to the deferred list.
- */
- draw: function () {
- var renderer = this;
- window.canvg(renderer.canvas, renderer.hiddenSvg.innerHTML);
- }
- });
-}(Highcharts));
+/**
+ * @license A class to parse color values
+ * @author Stoyan Stefanov <sstoo@gmail.com>
+ * @link http://www.phpied.com/rgb-color-parser-in-javascript/
+ * Use it if you like it
+ *
+ */
+function RGBColor(color_string)
+{
+ this.ok = false;
+
+ // strip any leading #
+ if (color_string.charAt(0) == '#') { // remove # if any
+ color_string = color_string.substr(1,6);
+ }
+
+ color_string = color_string.replace(/ /g,'');
+ color_string = color_string.toLowerCase();
+
+ // before getting into regexps, try simple matches
+ // and overwrite the input
+ var simple_colors = {
+ aliceblue: 'f0f8ff',
+ antiquewhite: 'faebd7',
+ aqua: '00ffff',
+ aquamarine: '7fffd4',
+ azure: 'f0ffff',
+ beige: 'f5f5dc',
+ bisque: 'ffe4c4',
+ black: '000000',
+ blanchedalmond: 'ffebcd',
+ blue: '0000ff',
+ blueviolet: '8a2be2',
+ brown: 'a52a2a',
+ burlywood: 'deb887',
+ cadetblue: '5f9ea0',
+ chartreuse: '7fff00',
+ chocolate: 'd2691e',
+ coral: 'ff7f50',
+ cornflowerblue: '6495ed',
+ cornsilk: 'fff8dc',
+ crimson: 'dc143c',
+ cyan: '00ffff',
+ darkblue: '00008b',
+ darkcyan: '008b8b',
+ darkgoldenrod: 'b8860b',
+ darkgray: 'a9a9a9',
+ darkgreen: '006400',
+ darkkhaki: 'bdb76b',
+ darkmagenta: '8b008b',
+ darkolivegreen: '556b2f',
+ darkorange: 'ff8c00',
+ darkorchid: '9932cc',
+ darkred: '8b0000',
+ darksalmon: 'e9967a',
+ darkseagreen: '8fbc8f',
+ darkslateblue: '483d8b',
+ darkslategray: '2f4f4f',
+ darkturquoise: '00ced1',
+ darkviolet: '9400d3',
+ deeppink: 'ff1493',
+ deepskyblue: '00bfff',
+ dimgray: '696969',
+ dodgerblue: '1e90ff',
+ feldspar: 'd19275',
+ firebrick: 'b22222',
+ floralwhite: 'fffaf0',
+ forestgreen: '228b22',
+ fuchsia: 'ff00ff',
+ gainsboro: 'dcdcdc',
+ ghostwhite: 'f8f8ff',
+ gold: 'ffd700',
+ goldenrod: 'daa520',
+ gray: '808080',
+ green: '008000',
+ greenyellow: 'adff2f',
+ honeydew: 'f0fff0',
+ hotpink: 'ff69b4',
+ indianred : 'cd5c5c',
+ indigo : '4b0082',
+ ivory: 'fffff0',
+ khaki: 'f0e68c',
+ lavender: 'e6e6fa',
+ lavenderblush: 'fff0f5',
+ lawngreen: '7cfc00',
+ lemonchiffon: 'fffacd',
+ lightblue: 'add8e6',
+ lightcoral: 'f08080',
+ lightcyan: 'e0ffff',
+ lightgoldenrodyellow: 'fafad2',
+ lightgrey: 'd3d3d3',
+ lightgreen: '90ee90',
+ lightpink: 'ffb6c1',
+ lightsalmon: 'ffa07a',
+ lightseagreen: '20b2aa',
+ lightskyblue: '87cefa',
+ lightslateblue: '8470ff',
+ lightslategray: '778899',
+ lightsteelblue: 'b0c4de',
+ lightyellow: 'ffffe0',
+ lime: '00ff00',
+ limegreen: '32cd32',
+ linen: 'faf0e6',
+ magenta: 'ff00ff',
+ maroon: '800000',
+ mediumaquamarine: '66cdaa',
+ mediumblue: '0000cd',
+ mediumorchid: 'ba55d3',
+ mediumpurple: '9370d8',
+ mediumseagreen: '3cb371',
+ mediumslateblue: '7b68ee',
+ mediumspringgreen: '00fa9a',
+ mediumturquoise: '48d1cc',
+ mediumvioletred: 'c71585',
+ midnightblue: '191970',
+ mintcream: 'f5fffa',
+ mistyrose: 'ffe4e1',
+ moccasin: 'ffe4b5',
+ navajowhite: 'ffdead',
+ navy: '000080',
+ oldlace: 'fdf5e6',
+ olive: '808000',
+ olivedrab: '6b8e23',
+ orange: 'ffa500',
+ orangered: 'ff4500',
+ orchid: 'da70d6',
+ palegoldenrod: 'eee8aa',
+ palegreen: '98fb98',
+ paleturquoise: 'afeeee',
+ palevioletred: 'd87093',
+ papayawhip: 'ffefd5',
+ peachpuff: 'ffdab9',
+ peru: 'cd853f',
+ pink: 'ffc0cb',
+ plum: 'dda0dd',
+ powderblue: 'b0e0e6',
+ purple: '800080',
+ red: 'ff0000',
+ rosybrown: 'bc8f8f',
+ royalblue: '4169e1',
+ saddlebrown: '8b4513',
+ salmon: 'fa8072',
+ sandybrown: 'f4a460',
+ seagreen: '2e8b57',
+ seashell: 'fff5ee',
+ sienna: 'a0522d',
+ silver: 'c0c0c0',
+ skyblue: '87ceeb',
+ slateblue: '6a5acd',
+ slategray: '708090',
+ snow: 'fffafa',
+ springgreen: '00ff7f',
+ steelblue: '4682b4',
+ tan: 'd2b48c',
+ teal: '008080',
+ thistle: 'd8bfd8',
+ tomato: 'ff6347',
+ turquoise: '40e0d0',
+ violet: 'ee82ee',
+ violetred: 'd02090',
+ wheat: 'f5deb3',
+ white: 'ffffff',
+ whitesmoke: 'f5f5f5',
+ yellow: 'ffff00',
+ yellowgreen: '9acd32'
+ };
+ for (var key in simple_colors) {
+ if (color_string == key) {
+ color_string = simple_colors[key];
+ }
+ }
+ // emd of simple type-in colors
+
+ // array of color definition objects
+ var color_defs = [
+ {
+ re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
+ example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
+ process: function (bits){
+ return [
+ parseInt(bits[1]),
+ parseInt(bits[2]),
+ parseInt(bits[3])
+ ];
+ }
+ },
+ {
+ re: /^(\w{2})(\w{2})(\w{2})$/,
+ example: ['#00ff00', '336699'],
+ process: function (bits){
+ return [
+ parseInt(bits[1], 16),
+ parseInt(bits[2], 16),
+ parseInt(bits[3], 16)
+ ];
+ }
+ },
+ {
+ re: /^(\w{1})(\w{1})(\w{1})$/,
+ example: ['#fb0', 'f0f'],
+ process: function (bits){
+ return [
+ parseInt(bits[1] + bits[1], 16),
+ parseInt(bits[2] + bits[2], 16),
+ parseInt(bits[3] + bits[3], 16)
+ ];
+ }
+ }
+ ];
+
+ // search through the definitions to find a match
+ for (var i = 0; i < color_defs.length; i++) {
+ var re = color_defs[i].re;
+ var processor = color_defs[i].process;
+ var bits = re.exec(color_string);
+ if (bits) {
+ channels = processor(bits);
+ this.r = channels[0];
+ this.g = channels[1];
+ this.b = channels[2];
+ this.ok = true;
+ }
+
+ }
+
+ // validate/cleanup values
+ this.r = (this.r < 0 || isNaN(this.r)) ? 0 : ((this.r > 255) ? 255 : this.r);
+ this.g = (this.g < 0 || isNaN(this.g)) ? 0 : ((this.g > 255) ? 255 : this.g);
+ this.b = (this.b < 0 || isNaN(this.b)) ? 0 : ((this.b > 255) ? 255 : this.b);
+
+ // some getters
+ this.toRGB = function () {
+ return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
+ }
+ this.toHex = function () {
+ var r = this.r.toString(16);
+ var g = this.g.toString(16);
+ var b = this.b.toString(16);
+ if (r.length == 1) r = '0' + r;
+ if (g.length == 1) g = '0' + g;
+ if (b.length == 1) b = '0' + b;
+ return '#' + r + g + b;
+ }
+
+ // help
+ this.getHelpXML = function () {
+
+ var examples = new Array();
+ // add regexps
+ for (var i = 0; i < color_defs.length; i++) {
+ var example = color_defs[i].example;
+ for (var j = 0; j < example.length; j++) {
+ examples[examples.length] = example[j];
+ }
+ }
+ // add type-in colors
+ for (var sc in simple_colors) {
+ examples[examples.length] = sc;
+ }
+
+ var xml = document.createElement('ul');
+ xml.setAttribute('id', 'rgbcolor-examples');
+ for (var i = 0; i < examples.length; i++) {
+ try {
+ var list_item = document.createElement('li');
+ var list_color = new RGBColor(examples[i]);
+ var example_div = document.createElement('div');
+ example_div.style.cssText =
+ 'margin: 3px; '
+ + 'border: 1px solid black; '
+ + 'background:' + list_color.toHex() + '; '
+ + 'color:' + list_color.toHex()
+ ;
+ example_div.appendChild(document.createTextNode('test'));
+ var list_item_value = document.createTextNode(
+ ' ' + examples[i] + ' -> ' + list_color.toRGB() + ' -> ' + list_color.toHex()
+ );
+ list_item.appendChild(example_div);
+ list_item.appendChild(list_item_value);
+ xml.appendChild(list_item);
+
+ } catch(e){}
+ }
+ return xml;
+
+ }
+
+}
+
+/**
+ * @license 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) {};
+}
+
+if(!Array.prototype.indexOf){
+ Array.prototype.indexOf = function(obj){
+ for(var i=0; i<this.length; i++){
+ if(this[i]==obj){
+ return i;
+ }
+ }
+ return -1;
+ }
+}
+
+(function(){
+ // canvg(target, s)
+ // empty parameters: replace all 'svg' elements on page with 'canvas' elements
+ // target: canvas element or the id of a canvas element
+ // s: svg string, url to svg file, or xml document
+ // opts: optional hash of options
+ // ignoreMouse: true => ignore mouse events
+ // ignoreAnimation: true => ignore animations
+ // ignoreDimensions: true => does not try to resize canvas
+ // ignoreClear: true => does not clear canvas
+ // offsetX: int => draws at a x offset
+ // offsetY: int => draws at a y offset
+ // scaleWidth: int => scales horizontally to width
+ // scaleHeight: int => scales vertically to height
+ // renderCallback: function => will call the function after the first render is completed
+ // forceRedraw: function => will call the function on every frame, if it returns true, will redraw
+ this.canvg = function (target, s, opts) {
+ // no parameters
+ if (target == null && s == null && opts == null) {
+ var svgTags = document.getElementsByTagName('svg');
+ for (var i=0; i<svgTags.length; i++) {
+ var svgTag = svgTags[i];
+ var c = document.createElement('canvas');
+ c.width = svgTag.clientWidth;
+ c.height = svgTag.clientHeight;
+ svgTag.parentNode.insertBefore(c, svgTag);
+ svgTag.parentNode.removeChild(svgTag);
+ var div = document.createElement('div');
+ div.appendChild(svgTag);
+ canvg(c, div.innerHTML);
+ }
+ return;
+ }
+ opts = opts || {};
+
+ 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();
+ }
+ svg.opts = opts;
+
+ var ctx = target.getContext('2d');
+ if (typeof(s.documentElement) != 'undefined') {
+ // load from xml doc
+ svg.loadXmlDoc(ctx, s);
+ }
+ else 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;
+ svg.MAX_VIRTUAL_PIXELS = 30000;
+
+ // globals
+ svg.init = function(ctx) {
+ svg.Definitions = {};
+ svg.Styles = {};
+ svg.Animations = [];
+ svg.Images = [];
+ svg.ctx = ctx;
+ svg.ViewPort = new (function () {
+ this.viewPorts = [];
+ this.Clear = 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();
+
+ // images loaded
+ svg.ImagesLoaded = function() {
+ for (var i=0; i<svg.Images.length; i++) {
+ if (!svg.Images[i].loaded) return false;
+ }
+ return true;
+ }
+
+ // 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);
+ }
+
+ this.applyTransform = function(v) {
+ var xp = this.x * v[0] + this.y * v[2] + v[4];
+ var yp = this.x * v[1] + this.y * v[3] + v[5];
+ this.x = xp;
+ this.y = yp;
+ }
+ }
+ 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.addBoundingBox = function(bb) {
+ this.addPoint(bb.x1, bb.y1);
+ this.addPoint(bb.x2, bb.y2);
+ }
+
+ 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.isPointInBox = function(x, y) {
+ return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
+ }
+
+ 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);
+ }
+ this.applyToPoint = function(p) {
+ p.applyTransform([1, 0, 0, 1, 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.applyToPoint = function(p) {
+ var a = this.angle.Angle.toRadians();
+ p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
+ p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
+ p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
+ }
+ }
+
+ 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.applyToPoint = function(p) {
+ p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 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.applyToPoint = function(p) {
+ p.applyTransform(this.m);
+ }
+ }
+
+ 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);
+ }
+ }
+
+ this.applyToPoint = function(p) {
+ for (var i=0; i<this.transforms.length; i++) {
+ this.transforms[i].applyToPoint(p);
+ }
+ }
+
+ var data = svg.trim(svg.compressSpaces(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 = new this.Type[type](s);
+ this.transforms.push(transform);
+ }
+ }
+
+ // aspect ratio
+ svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
+ // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
+ aspectRatio = svg.compressSpaces(aspectRatio);
+ aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer
+ var align = aspectRatio.split(' ')[0] || 'xMidYMid';
+ var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
+
+ // calculate scale
+ var scaleX = width / desiredWidth;
+ var scaleY = height / desiredHeight;
+ var scaleMin = Math.min(scaleX, scaleY);
+ var scaleMax = Math.max(scaleX, scaleY);
+ if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; }
+ if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; }
+
+ refX = new svg.Property('refX', refX);
+ refY = new svg.Property('refY', refY);
+ if (refX.hasValue() && refY.hasValue()) {
+ ctx.translate(-scaleMin * refX.Length.toPixels('x'), -scaleMin * refY.Length.toPixels('y'));
+ }
+ else {
+ // align
+ if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
+ if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
+ if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
+ if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
+ }
+
+ // scale
+ if (align == 'none') ctx.scale(scaleX, scaleY);
+ else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
+ else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
+
+ // translate
+ ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
+ }
+
+ // 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, crawls up node tree
+ 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;
+ }
+
+ var p = this.parent;
+ if (p != null) {
+ var ps = p.style(name);
+ if (ps != null && ps.hasValue()) {
+ return ps;
+ }
+ }
+
+ s = new svg.Property(name, '');
+ if (createIfNotExists == true) this.styles[name] = s;
+ return s;
+ }
+
+ // base render
+ this.render = function(ctx) {
+ // don't render display=none
+ if (this.style('display').value == 'none') return;
+
+ // don't render visibility=hidden
+ if (this.attribute('visibility').value == 'hidden') return;
+
+ ctx.save();
+ this.setContext(ctx);
+ // mask
+ if (this.attribute('mask').hasValue()) {
+ var mask = this.attribute('mask').Definition.getDefinition();
+ if (mask != null) mask.apply(ctx, this);
+ }
+ else if (this.style('filter').hasValue()) {
+ var filter = this.style('filter').Definition.getDefinition();
+ if (filter != null) filter.apply(ctx, this);
+ }
+ else 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[node.nodeName];
+ 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];
+ }
+ }
+ styles = svg.Styles[node.nodeName+'.'+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);
+ }
+ }
+ }
+
+ // add id
+ if (this.attribute('id').hasValue()) {
+ if (svg.Definitions[this.attribute('id').value] == null) {
+ 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);
+ svg.Mouse.checkPath(this, ctx);
+ if (ctx.fillStyle != '') ctx.fill();
+ if (ctx.strokeStyle != '') ctx.stroke();
+
+ var markers = this.getMarkers();
+ if (markers != null) {
+ if (this.style('marker-start').Definition.isUrl()) {
+ var marker = this.style('marker-start').Definition.getDefinition();
+ marker.render(ctx, markers[0][0], markers[0][1]);
+ }
+ if (this.style('marker-mid').Definition.isUrl()) {
+ var marker = this.style('marker-mid').Definition.getDefinition();
+ for (var i=1;i<markers.length-1;i++) {
+ marker.render(ctx, markers[i][0], markers[i][1]);
+ }
+ }
+ if (this.style('marker-end').Definition.isUrl()) {
+ var marker = this.style('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) {
+ // initial values
+ ctx.strokeStyle = 'rgba(0,0,0,0)';
+ ctx.lineCap = 'butt';
+ ctx.lineJoin = 'miter';
+ ctx.miterLimit = 4;
+
+ 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 (typeof(this.root) == 'undefined' && 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];
+
+ svg.AspectRatio(ctx,
+ this.attribute('preserveAspectRatio').value,
+ svg.ViewPort.width(),
+ width,
+ svg.ViewPort.height(),
+ height,
+ minX,
+ minY,
+ this.attribute('refX').value,
+ this.attribute('refY').value);
+
+ svg.ViewPort.RemoveCurrent();
+ svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
+ }
+ }
+ }
+ 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: 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(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
+ d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
+ d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points
+ d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/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 $4 '); // shorthand elliptical arc path syntax
+ d = svg.compressSpaces(d); // compress multiple spaces
+ d = svg.trim(d);
+ this.PathParser = new (function(d) {
+ this.tokens = d.split(' ');
+
+ this.reset = function() {
+ this.i = -1;
+ this.command = '';
+ this.previousCommand = '';
+ this.start = new svg.Point(0, 0);
+ this.control = new svg.Point(0, 0);
+ this.current = new svg.Point(0, 0);
+ this.points = [];
+ this.angles = [];
+ }
+
+ this.isEnd = function() {
+ return this.i >= this.tokens.length - 1;
+ }
+
+ this.isCommandOrEnd = function() {
+ if (this.isEnd()) return true;
+ return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != 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.previousCommand = this.command;
+ 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() {
+ if (this.previousCommand.toLowerCase() != 'c' && this.previousCommand.toLowerCase() != 's') {
+ return this.current;
+ }
+
+ // reflect point
+ var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
+ return 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, priorTo) {
+ // if the last angle isn't filled in because we didn't have this point yet ...
+ if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
+ this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
+ }
+ 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();
+ switch (pp.command.toUpperCase()) {
+ case 'M':
+ var p = pp.getAsCurrentPoint();
+ pp.addMarker(p);
+ bb.addPoint(p.x, p.y);
+ if (ctx != null) ctx.moveTo(p.x, p.y);
+ pp.start = pp.current;
+ while (!pp.isCommandOrEnd()) {
+ var p = pp.getAsCurrentPoint();
+ pp.addMarker(p, pp.start);
+ bb.addPoint(p.x, p.y);
+ if (ctx != null) ctx.lineTo(p.x, p.y);
+ }
+ break;
+ case '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);
+ }
+ break;
+ case '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);
+ }
+ break;
+ case '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);
+ }
+ break;
+ case 'C':
+ while (!pp.isCommandOrEnd()) {
+ var curr = pp.current;
+ var p1 = pp.getPoint();
+ var cntrl = pp.getAsControlPoint();
+ var cp = pp.getAsCurrentPoint();
+ pp.addMarker(cp, cntrl, p1);
+ 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);
+ }
+ break;
+ case 'S':
+ while (!pp.isCommandOrEnd()) {
+ var curr = pp.current;
+ var p1 = pp.getReflectedControlPoint();
+ var cntrl = pp.getAsControlPoint();
+ var cp = pp.getAsCurrentPoint();
+ pp.addMarker(cp, cntrl, p1);
+ 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);
+ }
+ break;
+ case 'Q':
+ while (!pp.isCommandOrEnd()) {
+ var curr = pp.current;
+ var cntrl = pp.getAsControlPoint();
+ var cp = pp.getAsCurrentPoint();
+ pp.addMarker(cp, cntrl, 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);
+ }
+ break;
+ case 'T':
+ while (!pp.isCommandOrEnd()) {
+ var curr = pp.current;
+ var cntrl = pp.getReflectedControlPoint();
+ pp.control = cntrl;
+ var cp = pp.getAsCurrentPoint();
+ pp.addMarker(cp, cntrl, 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);
+ }
+ break;
+ case '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);
+ }
+ }
+ break;
+ case 'Z':
+ if (ctx != null) ctx.closePath();
+ pp.current = pp.start;
+ }
+ }
+
+ 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('x');
+ c.height = this.attribute('height').Length.toPixels('y');
+ 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 stopsContainer = this;
+ if (this.attribute('xlink:href').hasValue()) {
+ stopsContainer = this.attribute('xlink:href').Definition.getDefinition();
+ }
+
+ var g = this.getGradient(ctx, element);
+ for (var i=0; i<stopsContainer.stops.length; i++) {
+ g.addColorStop(stopsContainer.stops[i].offset, stopsContainer.stops[i].color);
+ }
+
+ if (this.attribute('gradientTransform').hasValue()) {
+ // render as transformed pattern on temporary canvas
+ var rootView = svg.ViewPort.viewPorts[0];
+
+ var rect = new svg.Element.rect();
+ rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
+ rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
+ rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
+ rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
+
+ var group = new svg.Element.g();
+ group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
+ group.children = [ rect ];
+
+ var tempSvg = new svg.Element.svg();
+ tempSvg.attributes['x'] = new svg.Property('x', 0);
+ tempSvg.attributes['y'] = new svg.Property('y', 0);
+ tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
+ tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
+ tempSvg.children = [ group ];
+
+ var c = document.createElement('canvas');
+ c.width = rootView.width;
+ c.height = rootView.height;
+ var tempCtx = c.getContext('2d');
+ tempCtx.fillStyle = g;
+ tempSvg.render(tempCtx);
+ return tempCtx.createPattern(c, 'no-repeat');
+ }
+
+ 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.getProperty = function() {
+ var attributeType = this.attribute('attributeType').value;
+ var attributeName = this.attribute('attributeName').value;
+
+ if (attributeType == 'CSS') {
+ return this.parent.style(attributeName, true);
+ }
+ return this.parent.attribute(attributeName, true);
+ };
+
+ this.initialValue = null;
+ this.removed = false;
+
+ this.calcValue = function() {
+ // OVERRIDE ME!
+ return '';
+ }
+
+ this.update = function(delta) {
+ // set initial value
+ if (this.initialValue == null) {
+ this.initialValue = this.getProperty().value;
+ }
+
+ // 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 if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
+ this.removed = true;
+ this.getProperty().value = this.initialValue;
+ return true;
+ }
+ 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
+
+ if (this.attribute('type').hasValue()) {
+ // for transform, etc.
+ var type = this.attribute('type').value;
+ newValue = type + '(' + newValue + ')';
+ }
+
+ this.getProperty().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;
+
+ // font element
+ svg.Element.font = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ this.horizAdvX = this.attribute('horiz-adv-x').numValue();
+
+ this.isRTL = false;
+ this.isArabic = false;
+ this.fontFace = null;
+ this.missingGlyph = null;
+ this.glyphs = [];
+ for (var i=0; i<this.children.length; i++) {
+ var child = this.children[i];
+ if (child.type == 'font-face') {
+ this.fontFace = child;
+ if (child.style('font-family').hasValue()) {
+ svg.Definitions[child.style('font-family').value] = this;
+ }
+ }
+ else if (child.type == 'missing-glyph') this.missingGlyph = child;
+ else if (child.type == 'glyph') {
+ if (child.arabicForm != '') {
+ this.isRTL = true;
+ this.isArabic = true;
+ if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = [];
+ this.glyphs[child.unicode][child.arabicForm] = child;
+ }
+ else {
+ this.glyphs[child.unicode] = child;
+ }
+ }
+ }
+ }
+ svg.Element.font.prototype = new svg.Element.ElementBase;
+
+ // font-face element
+ svg.Element.fontface = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ this.ascent = this.attribute('ascent').value;
+ this.descent = this.attribute('descent').value;
+ this.unitsPerEm = this.attribute('units-per-em').numValue();
+ }
+ svg.Element.fontface.prototype = new svg.Element.ElementBase;
+
+ // missing-glyph element
+ svg.Element.missingglyph = function(node) {
+ this.base = svg.Element.path;
+ this.base(node);
+
+ this.horizAdvX = 0;
+ }
+ svg.Element.missingglyph.prototype = new svg.Element.path;
+
+ // glyph element
+ svg.Element.glyph = function(node) {
+ this.base = svg.Element.path;
+ this.base(node);
+
+ this.horizAdvX = this.attribute('horiz-adv-x').numValue();
+ this.unicode = this.attribute('unicode').value;
+ this.arabicForm = this.attribute('arabic-form').value;
+ }
+ svg.Element.glyph.prototype = new svg.Element.path;
+
+ // 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.style('dominant-baseline').hasValue()) ctx.textBaseline = this.style('dominant-baseline').value;
+ if (this.style('alignment-baseline').hasValue()) ctx.textBaseline = this.style('alignment-baseline').value;
+ }
+
+ this.renderChildren = function(ctx) {
+ var textAnchor = this.style('text-anchor').valueOrDefault('start');
+ 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++) {
+ var child = this.children[i];
+
+ if (child.attribute('x').hasValue()) {
+ child.x = child.attribute('x').Length.toPixels('x');
+ }
+ else {
+ if (child.attribute('dx').hasValue()) x += child.attribute('dx').Length.toPixels('x');
+ child.x = x;
+ }
+
+ var childLength = child.measureText(ctx);
+ if (textAnchor != 'start' && (i==0 || child.attribute('x').hasValue())) { // new group?
+ // loop through rest of children
+ var groupLength = childLength;
+ for (var j=i+1; j<this.children.length; j++) {
+ var childInGroup = this.children[j];
+ if (childInGroup.attribute('x').hasValue()) break; // new group
+ groupLength += childInGroup.measureText(ctx);
+ }
+ child.x -= (textAnchor == 'end' ? groupLength : groupLength / 2.0);
+ }
+ x = child.x + childLength;
+
+ if (child.attribute('y').hasValue()) {
+ child.y = child.attribute('y').Length.toPixels('y');
+ }
+ else {
+ if (child.attribute('dy').hasValue()) y += child.attribute('dy').Length.toPixels('y');
+ child.y = y;
+ }
+ y = child.y;
+
+ child.render(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.getGlyph = function(font, text, i) {
+ var c = text[i];
+ var glyph = null;
+ if (font.isArabic) {
+ var arabicForm = 'isolated';
+ if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
+ if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
+ if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
+ if (typeof(font.glyphs[c]) != 'undefined') {
+ glyph = font.glyphs[c][arabicForm];
+ if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
+ }
+ }
+ else {
+ glyph = font.glyphs[c];
+ }
+ if (glyph == null) glyph = font.missingGlyph;
+ return glyph;
+ }
+
+ this.renderChildren = function(ctx) {
+ var customFont = this.parent.style('font-family').Definition.getDefinition();
+ if (customFont != null) {
+ var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
+ var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
+ var text = this.getText();
+ if (customFont.isRTL) text = text.split("").reverse().join("");
+
+ var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+ for (var i=0; i<text.length; i++) {
+ var glyph = this.getGlyph(customFont, text, i);
+ var scale = fontSize / customFont.fontFace.unitsPerEm;
+ ctx.translate(this.x, this.y);
+ ctx.scale(scale, -scale);
+ var lw = ctx.lineWidth;
+ ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
+ if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
+ glyph.render(ctx);
+ if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
+ ctx.lineWidth = lw;
+ ctx.scale(1/scale, -1/scale);
+ ctx.translate(-this.x, -this.y);
+
+ this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
+ if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
+ this.x += dx[i];
+ }
+ }
+ return;
+ }
+
+ if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
+ if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
+ }
+
+ this.getText = function() {
+ // OVERRIDE ME
+ }
+
+ this.measureText = function(ctx) {
+ var customFont = this.parent.style('font-family').Definition.getDefinition();
+ if (customFont != null) {
+ var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
+ var measure = 0;
+ var text = this.getText();
+ if (customFont.isRTL) text = text.split("").reverse().join("");
+ var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+ for (var i=0; i<text.length; i++) {
+ var glyph = this.getGlyph(customFont, text, i);
+ measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
+ if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
+ measure += dx[i];
+ }
+ }
+ return measure;
+ }
+
+ var textToMeasure = svg.compressSpaces(this.getText());
+ if (!ctx.measureText) return textToMeasure.length * 10;
+
+ ctx.save();
+ this.setContext(ctx);
+ var width = ctx.measureText(textToMeasure).width;
+ ctx.restore();
+ return width;
+ }
+ }
+ svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
+
+ // tspan
+ svg.Element.tspan = function(node) {
+ this.base = svg.Element.TextElementBase;
+ this.base(node);
+
+ this.text = node.nodeType == 3 ? node.nodeValue : // text
+ node.childNodes.length > 0 ? node.childNodes[0].nodeValue : // element
+ node.text;
+ 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;
+
+ // a element
+ svg.Element.a = function(node) {
+ this.base = svg.Element.TextElementBase;
+ this.base(node);
+
+ this.hasText = true;
+ for (var i=0; i<node.childNodes.length; i++) {
+ if (node.childNodes[i].nodeType != 3) this.hasText = false;
+ }
+
+ // this might contain text
+ this.text = this.hasText ? node.childNodes[0].nodeValue : '';
+ this.getText = function() {
+ return this.text;
+ }
+
+ this.baseRenderChildren = this.renderChildren;
+ this.renderChildren = function(ctx) {
+ if (this.hasText) {
+ // render as text element
+ this.baseRenderChildren(ctx);
+ var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
+ svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.Length.toPixels('y'), this.x + this.measureText(ctx), this.y));
+ }
+ else {
+ // render as temporary group
+ var g = new svg.Element.g();
+ g.children = this.children;
+ g.parent = this;
+ g.render(ctx);
+ }
+ }
+
+ this.onclick = function() {
+ window.open(this.attribute('xlink:href').value);
+ }
+
+ this.onmousemove = function() {
+ svg.ctx.canvas.style.cursor = 'pointer';
+ }
+ }
+ svg.Element.a.prototype = new svg.Element.TextElementBase;
+
+ // image element
+ svg.Element.image = function(node) {
+ this.base = svg.Element.RenderedElementBase;
+ this.base(node);
+
+ svg.Images.push(this);
+ this.img = document.createElement('img');
+ this.loaded = false;
+ var that = this;
+ this.img.onload = function() { that.loaded = true; }
+ this.img.src = this.attribute('xlink:href').value;
+
+ this.renderChildren = 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');
+ if (width == 0 || height == 0) return;
+
+ ctx.save();
+ ctx.translate(x, y);
+ svg.AspectRatio(ctx,
+ this.attribute('preserveAspectRatio').value,
+ width,
+ this.img.width,
+ height,
+ this.img.height,
+ 0,
+ 0);
+ ctx.drawImage(this.img, 0, 0);
+ ctx.restore();
+ }
+ }
+ svg.Element.image.prototype = new svg.Element.RenderedElementBase;
+
+ // group element
+ svg.Element.g = function(node) {
+ this.base = svg.Element.RenderedElementBase;
+ this.base(node);
+
+ this.getBoundingBox = function() {
+ var bb = new svg.BoundingBox();
+ for (var i=0; i<this.children.length; i++) {
+ bb.addBoundingBox(this.children[i].getBoundingBox());
+ }
+ return bb;
+ };
+ }
+ svg.Element.g.prototype = new svg.Element.RenderedElementBase;
+
+ // symbol element
+ svg.Element.symbol = function(node) {
+ this.base = svg.Element.RenderedElementBase;
+ this.base(node);
+
+ this.baseSetContext = this.setContext;
+ this.setContext = function(ctx) {
+ this.baseSetContext(ctx);
+
+ // 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];
+
+ svg.AspectRatio(ctx,
+ this.attribute('preserveAspectRatio').value,
+ this.attribute('width').Length.toPixels('x'),
+ width,
+ this.attribute('height').Length.toPixels('y'),
+ height,
+ minX,
+ minY);
+
+ svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
+ }
+ }
+ }
+ svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
+
+ // style element
+ svg.Element.style = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ // text, or spaces then CDATA
+ var css = node.childNodes[0].nodeValue + (node.childNodes.length > 1 ? node.childNodes[1].nodeValue : '');
+ css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/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].indexOf(':');
+ var name = cssProps[k].substr(0, prop);
+ var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
+ if (name != null && value != null) {
+ props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
+ }
+ }
+ svg.Styles[cssClass] = props;
+ if (cssClass == '@font-face') {
+ var fontFamily = props['font-family'].value.replace(/"/g,'');
+ var srcs = props['src'].value.split(',');
+ for (var s=0; s<srcs.length; s++) {
+ if (srcs[s].indexOf('format("svg")') > 0) {
+ var urlStart = srcs[s].indexOf('url');
+ var urlEnd = srcs[s].indexOf(')', urlStart);
+ var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
+ var doc = svg.parseXml(svg.ajax(url));
+ var fonts = doc.getElementsByTagName('font');
+ for (var f=0; f<fonts.length; f++) {
+ var font = svg.CreateElement(fonts[f]);
+ svg.Definitions[fontFamily] = font;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ 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.getDefinition = function() {
+ var element = this.attribute('xlink:href').Definition.getDefinition();
+ if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value;
+ if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value;
+ return element;
+ }
+
+ this.path = function(ctx) {
+ var element = this.getDefinition();
+ if (element != null) element.path(ctx);
+ }
+
+ this.renderChildren = function(ctx) {
+ var element = this.getDefinition();
+ if (element != null) element.render(ctx);
+ }
+ }
+ svg.Element.use.prototype = new svg.Element.RenderedElementBase;
+
+ // mask element
+ svg.Element.mask = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ this.apply = function(ctx, element) {
+ // render as temp svg
+ 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');
+
+ // temporarily remove mask to avoid recursion
+ var mask = element.attribute('mask').value;
+ element.attribute('mask').value = '';
+
+ var cMask = document.createElement('canvas');
+ cMask.width = x + width;
+ cMask.height = y + height;
+ var maskCtx = cMask.getContext('2d');
+ this.renderChildren(maskCtx);
+
+ var c = document.createElement('canvas');
+ c.width = x + width;
+ c.height = y + height;
+ var tempCtx = c.getContext('2d');
+ element.render(tempCtx);
+ tempCtx.globalCompositeOperation = 'destination-in';
+ tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
+ tempCtx.fillRect(0, 0, x + width, y + height);
+
+ ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
+ ctx.fillRect(0, 0, x + width, y + height);
+
+ // reassign mask
+ element.attribute('mask').value = mask;
+ }
+
+ this.render = function(ctx) {
+ // NO RENDER
+ }
+ }
+ svg.Element.mask.prototype = new svg.Element.ElementBase;
+
+ // 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();
+ }
+ }
+ }
+
+ this.render = function(ctx) {
+ // NO RENDER
+ }
+ }
+ svg.Element.clipPath.prototype = new svg.Element.ElementBase;
+
+ // filters
+ svg.Element.filter = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ this.apply = function(ctx, element) {
+ // render as temp svg
+ var bb = element.getBoundingBox();
+ var x = this.attribute('x').Length.toPixels('x');
+ var y = this.attribute('y').Length.toPixels('y');
+ if (x == 0 || y == 0) {
+ x = bb.x1;
+ y = bb.y1;
+ }
+ var width = this.attribute('width').Length.toPixels('x');
+ var height = this.attribute('height').Length.toPixels('y');
+ if (width == 0 || height == 0) {
+ width = bb.width();
+ height = bb.height();
+ }
+
+ // temporarily remove filter to avoid recursion
+ var filter = element.style('filter').value;
+ element.style('filter').value = '';
+
+ // max filter distance
+ var extraPercent = .20;
+ var px = extraPercent * width;
+ var py = extraPercent * height;
+
+ var c = document.createElement('canvas');
+ c.width = width + 2*px;
+ c.height = height + 2*py;
+ var tempCtx = c.getContext('2d');
+ tempCtx.translate(-x + px, -y + py);
+ element.render(tempCtx);
+
+ // apply filters
+ for (var i=0; i<this.children.length; i++) {
+ this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py);
+ }
+
+ // render on me
+ ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py);
+
+ // reassign filter
+ element.style('filter', true).value = filter;
+ }
+
+ this.render = function(ctx) {
+ // NO RENDER
+ }
+ }
+ svg.Element.filter.prototype = new svg.Element.ElementBase;
+
+ svg.Element.feGaussianBlur = function(node) {
+ this.base = svg.Element.ElementBase;
+ this.base(node);
+
+ function make_fgauss(sigma) {
+ sigma = Math.max(sigma, 0.01);
+ var len = Math.ceil(sigma * 4.0) + 1;
+ mask = [];
+ for (var i = 0; i < len; i++) {
+ mask[i] = Math.exp(-0.5 * (i / sigma) * (i / sigma));
+ }
+ return mask;
+ }
+
+ function normalize(mask) {
+ var sum = 0;
+ for (var i = 1; i < mask.length; i++) {
+ sum += Math.abs(mask[i]);
+ }
+ sum = 2 * sum + Math.abs(mask[0]);
+ for (var i = 0; i < mask.length; i++) {
+ mask[i] /= sum;
+ }
+ return mask;
+ }
+
+ function convolve_even(src, dst, mask, width, height) {
+ for (var y = 0; y < height; y++) {
+ for (var x = 0; x < width; x++) {
+ var a = imGet(src, x, y, width, height, 3)/255;
+ for (var rgba = 0; rgba < 4; rgba++) {
+ var sum = mask[0] * (a==0?255:imGet(src, x, y, width, height, rgba)) * (a==0||rgba==3?1:a);
+ for (var i = 1; i < mask.length; i++) {
+ var a1 = imGet(src, Math.max(x-i,0), y, width, height, 3)/255;
+ var a2 = imGet(src, Math.min(x+i, width-1), y, width, height, 3)/255;
+ sum += mask[i] *
+ ((a1==0?255:imGet(src, Math.max(x-i,0), y, width, height, rgba)) * (a1==0||rgba==3?1:a1) +
+ (a2==0?255:imGet(src, Math.min(x+i, width-1), y, width, height, rgba)) * (a2==0||rgba==3?1:a2));
+ }
+ imSet(dst, y, x, height, width, rgba, sum);
+ }
+ }
+ }
+ }
+
+ function imGet(img, x, y, width, height, rgba) {
+ return img[y*width*4 + x*4 + rgba];
+ }
+
+ function imSet(img, x, y, width, height, rgba, val) {
+ img[y*width*4 + x*4 + rgba] = val;
+ }
+
+ function blur(ctx, width, height, sigma)
+ {
+ var srcData = ctx.getImageData(0, 0, width, height);
+ var mask = make_fgauss(sigma);
+ mask = normalize(mask);
+ tmp = [];
+ convolve_even(srcData.data, tmp, mask, width, height);
+ convolve_even(tmp, srcData.data, mask, height, width);
+ ctx.clearRect(0, 0, width, height);
+ ctx.putImageData(srcData, 0, 0);
+ }
+
+ this.apply = function(ctx, x, y, width, height) {
+ // assuming x==0 && y==0 for now
+ blur(ctx, width, height, this.attribute('stdDeviation').numValue());
+ }
+ }
+ svg.Element.filter.prototype = new svg.Element.feGaussianBlur;
+
+ // 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 = node.nodeName.replace(/^[^:]+:/,''); // remove namespace
+ className = className.replace(/\-/g,''); // remove dashes
+ var e = null;
+ if (typeof(svg.Element[className]) != 'undefined') {
+ e = new svg.Element[className](node);
+ }
+ else {
+ e = new svg.Element.MISSING(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.loadXmlDoc(ctx, svg.parseXml(xml));
+ }
+
+ svg.loadXmlDoc = function(ctx, dom) {
+ svg.init(ctx);
+
+ var mapXY = function(p) {
+ var e = ctx.canvas;
+ while (e) {
+ p.x -= e.offsetLeft;
+ p.y -= e.offsetTop;
+ e = e.offsetParent;
+ }
+ if (window.scrollX) p.x += window.scrollX;
+ if (window.scrollY) p.y += window.scrollY;
+ return p;
+ }
+
+ // bind mouse
+ if (svg.opts['ignoreMouse'] != true) {
+ ctx.canvas.onclick = function(e) {
+ var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
+ svg.Mouse.onclick(p.x, p.y);
+ };
+ ctx.canvas.onmousemove = function(e) {
+ var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
+ svg.Mouse.onmousemove(p.x, p.y);
+ };
+ }
+
+ var e = svg.CreateElement(dom.documentElement);
+ e.root = true;
+
+ // render loop
+ var isFirstRender = true;
+ var draw = function() {
+ svg.ViewPort.Clear();
+ if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
+
+ if (svg.opts['ignoreDimensions'] != true) {
+ // set canvas size
+ if (e.style('width').hasValue()) {
+ ctx.canvas.width = e.style('width').Length.toPixels('x');
+ ctx.canvas.style.width = ctx.canvas.width + 'px';
+ }
+ if (e.style('height').hasValue()) {
+ ctx.canvas.height = e.style('height').Length.toPixels('y');
+ ctx.canvas.style.height = ctx.canvas.height + 'px';
+ }
+ }
+ var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
+ var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
+ svg.ViewPort.SetCurrent(cWidth, cHeight);
+
+ if (svg.opts != null && svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
+ if (svg.opts != null && svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
+ if (svg.opts != null && svg.opts['scaleWidth'] != null && svg.opts['scaleHeight'] != null) {
+ var xRatio = 1, yRatio = 1;
+ if (e.attribute('width').hasValue()) xRatio = e.attribute('width').Length.toPixels('x') / svg.opts['scaleWidth'];
+ if (e.attribute('height').hasValue()) yRatio = e.attribute('height').Length.toPixels('y') / svg.opts['scaleHeight'];
+
+ e.attribute('width', true).value = svg.opts['scaleWidth'];
+ e.attribute('height', true).value = svg.opts['scaleHeight'];
+ e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio);
+ e.attribute('preserveAspectRatio', true).value = 'none';
+ }
+
+ // clear and render
+ if (svg.opts['ignoreClear'] != true) {
+ ctx.clearRect(0, 0, cWidth, cHeight);
+ }
+ e.render(ctx);
+ if (isFirstRender) {
+ isFirstRender = false;
+ if (svg.opts != null && typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback']();
+ }
+ }
+
+ var waitingForImages = true;
+ if (svg.ImagesLoaded()) {
+ waitingForImages = false;
+ draw();
+ }
+ svg.intervalID = setInterval(function() {
+ var needUpdate = false;
+
+ if (waitingForImages && svg.ImagesLoaded()) {
+ waitingForImages = false;
+ needUpdate = true;
+ }
+
+ // need update from mouse events?
+ if (svg.opts['ignoreMouse'] != true) {
+ needUpdate = needUpdate | svg.Mouse.hasEvents();
+ }
+
+ // need update from animations?
+ if (svg.opts['ignoreAnimation'] != true) {
+ for (var i=0; i<svg.Animations.length; i++) {
+ needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
+ }
+ }
+
+ // need update from redraw?
+ if (svg.opts != null && typeof(svg.opts['forceRedraw']) == 'function') {
+ if (svg.opts['forceRedraw']() == true) needUpdate = true;
+ }
+
+ // render if needed
+ if (needUpdate) {
+ draw();
+ svg.Mouse.runEvents(); // run and clear our events
+ }
+ }, 1000 / svg.FRAMERATE);
+ }
+
+ svg.stop = function() {
+ if (svg.intervalID) {
+ clearInterval(svg.intervalID);
+ }
+ }
+
+ svg.Mouse = new (function() {
+ this.events = [];
+ this.hasEvents = function() { return this.events.length != 0; }
+
+ this.onclick = function(x, y) {
+ this.events.push({ type: 'onclick', x: x, y: y,
+ run: function(e) { if (e.onclick) e.onclick(); }
+ });
+ }
+
+ this.onmousemove = function(x, y) {
+ this.events.push({ type: 'onmousemove', x: x, y: y,
+ run: function(e) { if (e.onmousemove) e.onmousemove(); }
+ });
+ }
+
+ this.eventElements = [];
+
+ this.checkPath = function(element, ctx) {
+ for (var i=0; i<this.events.length; i++) {
+ var e = this.events[i];
+ if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
+ }
+ }
+
+ this.checkBoundingBox = function(element, bb) {
+ for (var i=0; i<this.events.length; i++) {
+ var e = this.events[i];
+ if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
+ }
+ }
+
+ this.runEvents = function() {
+ svg.ctx.canvas.style.cursor = '';
+
+ for (var i=0; i<this.events.length; i++) {
+ var e = this.events[i];
+ var element = this.eventElements[i];
+ while (element) {
+ e.run(element);
+ element = element.parent;
+ }
+ }
+
+ // done running, clear
+ this.events = [];
+ this.eventElements = [];
+ }
+ });
+
+ return svg;
+ }
+})();
+
+if (CanvasRenderingContext2D) {
+ CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
+ canvg(this.canvas, s, {
+ ignoreMouse: true,
+ ignoreAnimation: true,
+ ignoreDimensions: true,
+ ignoreClear: true,
+ offsetX: dx,
+ offsetY: dy,
+ scaleWidth: dw,
+ scaleHeight: dh
+ });
+ }
+}/**
+ * @license Highcharts JS v3.0.6 (2013-10-04)
+ * CanVGRenderer Extension module
+ *
+ * (c) 2011-2012 Torstein H酶nsi, Erik Olsson
+ *
+ * License: www.highcharts.com/license
+ */
+
+// JSLint options:
+/*global Highcharts */
+
+(function (Highcharts) { // encapsulate
+ var UNDEFINED,
+ DIV = 'div',
+ ABSOLUTE = 'absolute',
+ RELATIVE = 'relative',
+ HIDDEN = 'hidden',
+ VISIBLE = 'visible',
+ PX = 'px',
+ css = Highcharts.css,
+ CanVGRenderer = Highcharts.CanVGRenderer,
+ SVGRenderer = Highcharts.SVGRenderer,
+ extend = Highcharts.extend,
+ merge = Highcharts.merge,
+ addEvent = Highcharts.addEvent,
+ createElement = Highcharts.createElement,
+ discardElement = Highcharts.discardElement;
+
+ // Extend CanVG renderer on demand, inherit from SVGRenderer
+ extend(CanVGRenderer.prototype, SVGRenderer.prototype);
+
+ // Add additional functionality:
+ extend(CanVGRenderer.prototype, {
+ create: function (chart, container, chartWidth, chartHeight) {
+ this.setContainer(container, chartWidth, chartHeight);
+ this.configure(chart);
+ },
+ setContainer: function (container, chartWidth, chartHeight) {
+ var containerStyle = container.style,
+ containerParent = container.parentNode,
+ containerLeft = containerStyle.left,
+ containerTop = containerStyle.top,
+ containerOffsetWidth = container.offsetWidth,
+ containerOffsetHeight = container.offsetHeight,
+ canvas,
+ initialHiddenStyle = { visibility: HIDDEN, position: ABSOLUTE };
+
+ this.init.apply(this, [container, chartWidth, chartHeight]);
+
+ // add the canvas above it
+ canvas = createElement('canvas', {
+ width: containerOffsetWidth,
+ height: containerOffsetHeight
+ }, {
+ position: RELATIVE,
+ left: containerLeft,
+ top: containerTop
+ }, container);
+ this.canvas = canvas;
+
+ // Create the tooltip line and div, they are placed as siblings to
+ // the container (and as direct childs to the div specified in the html page)
+ this.ttLine = createElement(DIV, null, initialHiddenStyle, containerParent);
+ this.ttDiv = createElement(DIV, null, initialHiddenStyle, containerParent);
+ this.ttTimer = UNDEFINED;
+
+ // Move away the svg node to a new div inside the container's parent so we can hide it.
+ var hiddenSvg = createElement(DIV, {
+ width: containerOffsetWidth,
+ height: containerOffsetHeight
+ }, {
+ visibility: HIDDEN,
+ left: containerLeft,
+ top: containerTop
+ }, containerParent);
+ this.hiddenSvg = hiddenSvg;
+ hiddenSvg.appendChild(this.box);
+ },
+
+ /**
+ * Configures the renderer with the chart. Attach a listener to the event tooltipRefresh.
+ **/
+ configure: function (chart) {
+ var renderer = this,
+ options = chart.options.tooltip,
+ borderWidth = options.borderWidth,
+ tooltipDiv = renderer.ttDiv,
+ tooltipDivStyle = options.style,
+ tooltipLine = renderer.ttLine,
+ padding = parseInt(tooltipDivStyle.padding, 10);
+
+ // Add border styling from options to the style
+ tooltipDivStyle = merge(tooltipDivStyle, {
+ padding: padding + PX,
+ 'background-color': options.backgroundColor,
+ 'border-style': 'solid',
+ 'border-width': borderWidth + PX,
+ 'border-radius': options.borderRadius + PX
+ });
+
+ // Optionally add shadow
+ if (options.shadow) {
+ tooltipDivStyle = merge(tooltipDivStyle, {
+ 'box-shadow': '1px 1px 3px gray', // w3c
+ '-webkit-box-shadow': '1px 1px 3px gray' // webkit
+ });
+ }
+ css(tooltipDiv, tooltipDivStyle);
+
+ // Set simple style on the line
+ css(tooltipLine, {
+ 'border-left': '1px solid darkgray'
+ });
+
+ // This event is triggered when a new tooltip should be shown
+ addEvent(chart, 'tooltipRefresh', function (args) {
+ var chartContainer = chart.container,
+ offsetLeft = chartContainer.offsetLeft,
+ offsetTop = chartContainer.offsetTop,
+ position;
+
+ // Set the content of the tooltip
+ tooltipDiv.innerHTML = args.text;
+
+ // Compute the best position for the tooltip based on the divs size and container size.
+ position = chart.tooltip.getPosition(tooltipDiv.offsetWidth, tooltipDiv.offsetHeight, {plotX: args.x, plotY: args.y});
+
+ css(tooltipDiv, {
+ visibility: VISIBLE,
+ left: position.x + PX,
+ top: position.y + PX,
+ 'border-color': args.borderColor
+ });
+
+ // Position the tooltip line
+ css(tooltipLine, {
+ visibility: VISIBLE,
+ left: offsetLeft + args.x + PX,
+ top: offsetTop + chart.plotTop + PX,
+ height: chart.plotHeight + PX
+ });
+
+ // This timeout hides the tooltip after 3 seconds
+ // First clear any existing timer
+ if (renderer.ttTimer !== UNDEFINED) {
+ clearTimeout(renderer.ttTimer);
+ }
+
+ // Start a new timer that hides tooltip and line
+ renderer.ttTimer = setTimeout(function () {
+ css(tooltipDiv, { visibility: HIDDEN });
+ css(tooltipLine, { visibility: HIDDEN });
+ }, 3000);
+ });
+ },
+
+ /**
+ * Extend SVGRenderer.destroy to also destroy the elements added by CanVGRenderer.
+ */
+ destroy: function () {
+ var renderer = this;
+
+ // Remove the canvas
+ discardElement(renderer.canvas);
+
+ // Kill the timer
+ if (renderer.ttTimer !== UNDEFINED) {
+ clearTimeout(renderer.ttTimer);
+ }
+
+ // Remove the divs for tooltip and line
+ discardElement(renderer.ttLine);
+ discardElement(renderer.ttDiv);
+ discardElement(renderer.hiddenSvg);
+
+ // Continue with base class
+ return SVGRenderer.prototype.destroy.apply(renderer);
+ },
+
+ /**
+ * Take a color and return it if it's a string, do not make it a gradient even if it is a
+ * gradient. Currently canvg cannot render gradients (turns out black),
+ * see: http://code.google.com/p/canvg/issues/detail?id=104
+ *
+ * @param {Object} color The color or config object
+ */
+ color: function (color, elem, prop) {
+ if (color && color.linearGradient) {
+ // Pick the end color and forward to base implementation
+ color = color.stops[color.stops.length - 1][1];
+ }
+ return SVGRenderer.prototype.color.call(this, color, elem, prop);
+ },
+
+ /**
+ * Draws the SVG on the canvas or adds a draw invokation to the deferred list.
+ */
+ draw: function () {
+ var renderer = this;
+ window.canvg(renderer.canvas, renderer.hiddenSvg.innerHTML);
+ }
+ });
+}(Highcharts));
--
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