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-/*
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- * canvg.js - Javascript SVG parser and renderer on Canvas
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- * MIT Licensed
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- * Gabe Lerner (gabelerner@gmail.com)
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- * http://code.google.com/p/canvg/
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- *
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- * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
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- */
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-if(!window.console) {
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- window.console = {};
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- window.console.log = function(str) {};
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- window.console.dir = function(str) {};
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-}
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-
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-if(!Array.prototype.indexOf){
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- Array.prototype.indexOf = function(obj){
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- for(var i=0; i<this.length; i++){
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- if(this[i]==obj){
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- return i;
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- }
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- }
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- return -1;
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- }
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-}
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-
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-(function(){
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- // canvg(target, s)
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- // empty parameters: replace all 'svg' elements on page with 'canvas' elements
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- // target: canvas element or the id of a canvas element
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- // s: svg string, url to svg file, or xml document
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- // opts: optional hash of options
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- // ignoreMouse: true => ignore mouse events
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- // ignoreAnimation: true => ignore animations
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- // ignoreDimensions: true => does not try to resize canvas
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- // ignoreClear: true => does not clear canvas
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- // offsetX: int => draws at a x offset
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- // offsetY: int => draws at a y offset
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- // scaleWidth: int => scales horizontally to width
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- // scaleHeight: int => scales vertically to height
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- // renderCallback: function => will call the function after the first render is completed
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- // forceRedraw: function => will call the function on every frame, if it returns true, will redraw
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- this.canvg = function (target, s, opts) {
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- // no parameters
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- if (target == null && s == null && opts == null) {
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- var svgTags = document.getElementsByTagName('svg');
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- for (var i=0; i<svgTags.length; i++) {
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- var svgTag = svgTags[i];
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- var c = document.createElement('canvas');
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- c.width = svgTag.clientWidth;
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- c.height = svgTag.clientHeight;
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- svgTag.parentNode.insertBefore(c, svgTag);
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- svgTag.parentNode.removeChild(svgTag);
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- var div = document.createElement('div');
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- div.appendChild(svgTag);
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- canvg(c, div.innerHTML);
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- }
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- return;
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- }
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- opts = opts || {};
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-
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- if (typeof target == 'string') {
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- target = document.getElementById(target);
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- }
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-
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- // reuse class per canvas
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- var svg;
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- if (target.svg == null) {
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- svg = build();
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- target.svg = svg;
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- }
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- else {
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- svg = target.svg;
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- svg.stop();
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- }
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- svg.opts = opts;
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-
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- var ctx = target.getContext('2d');
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- if (typeof(s.documentElement) != 'undefined') {
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- // load from xml doc
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- svg.loadXmlDoc(ctx, s);
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- }
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- else if (s.substr(0,1) == '<') {
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- // load from xml string
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- svg.loadXml(ctx, s);
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- }
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- else {
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- // load from url
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- svg.load(ctx, s);
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- }
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- }
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-
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- function build() {
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- var svg = { };
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-
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- svg.FRAMERATE = 30;
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- svg.MAX_VIRTUAL_PIXELS = 30000;
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-
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- // globals
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- svg.init = function(ctx) {
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- svg.Definitions = {};
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- svg.Styles = {};
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- svg.Animations = [];
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- svg.Images = [];
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- svg.ctx = ctx;
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- svg.ViewPort = new (function () {
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- this.viewPorts = [];
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- this.Clear = function() { this.viewPorts = []; }
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- this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
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- this.RemoveCurrent = function() { this.viewPorts.pop(); }
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- this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
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- this.width = function() { return this.Current().width; }
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- this.height = function() { return this.Current().height; }
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- this.ComputeSize = function(d) {
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- if (d != null && typeof(d) == 'number') return d;
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- if (d == 'x') return this.width();
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- if (d == 'y') return this.height();
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- return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
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- }
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- });
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- }
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- svg.init();
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-
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- // images loaded
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- svg.ImagesLoaded = function() {
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- for (var i=0; i<svg.Images.length; i++) {
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- if (!svg.Images[i].loaded) return false;
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- }
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- return true;
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- }
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-
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- // trim
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- svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); }
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-
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- // compress spaces
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- svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
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-
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- // ajax
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- svg.ajax = function(url) {
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- var AJAX;
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- if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();}
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- else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
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- if(AJAX){
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- AJAX.open('GET',url,false);
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- AJAX.send(null);
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- return AJAX.responseText;
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- }
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- return null;
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- }
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-
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- // parse xml
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- svg.parseXml = function(xml) {
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- if (window.DOMParser)
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- {
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- var parser = new DOMParser();
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- return parser.parseFromString(xml, 'text/xml');
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- }
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- else
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- {
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- xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
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- var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
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- xmlDoc.async = 'false';
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- xmlDoc.loadXML(xml);
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- return xmlDoc;
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- }
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- }
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-
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- svg.Property = function(name, value) {
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- this.name = name;
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- this.value = value;
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-
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- this.hasValue = function() {
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- return (this.value != null && this.value !== '');
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- }
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-
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- // return the numerical value of the property
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- this.numValue = function() {
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- if (!this.hasValue()) return 0;
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-
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- var n = parseFloat(this.value);
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- if ((this.value + '').match(/%$/)) {
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- n = n / 100.0;
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- }
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- return n;
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- }
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-
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- this.valueOrDefault = function(def) {
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- if (this.hasValue()) return this.value;
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- return def;
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- }
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-
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- this.numValueOrDefault = function(def) {
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- if (this.hasValue()) return this.numValue();
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- return def;
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- }
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-
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- /* EXTENSIONS */
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- var that = this;
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-
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- // color extensions
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- this.Color = {
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- // augment the current color value with the opacity
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- addOpacity: function(opacity) {
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- var newValue = that.value;
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- if (opacity != null && opacity != '') {
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- var color = new RGBColor(that.value);
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- if (color.ok) {
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- newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacity + ')';
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- }
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- }
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- return new svg.Property(that.name, newValue);
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- }
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- }
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-
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- // definition extensions
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- this.Definition = {
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- // get the definition from the definitions table
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- getDefinition: function() {
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- var name = that.value.replace(/^(url\()?#([^\)]+)\)?$/, '$2');
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- return svg.Definitions[name];
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- },
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-
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- isUrl: function() {
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- return that.value.indexOf('url(') == 0
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- },
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-
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- getFillStyle: function(e) {
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- var def = this.getDefinition();
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-
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- // gradient
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- if (def != null && def.createGradient) {
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- return def.createGradient(svg.ctx, e);
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- }
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-
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- // pattern
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- if (def != null && def.createPattern) {
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- return def.createPattern(svg.ctx, e);
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- }
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-
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- return null;
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- }
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- }
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-
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- // length extensions
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- this.Length = {
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- DPI: function(viewPort) {
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- return 96.0; // TODO: compute?
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- },
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-
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- EM: function(viewPort) {
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- var em = 12;
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-
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- var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
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- if (fontSize.hasValue()) em = fontSize.Length.toPixels(viewPort);
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-
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- return em;
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- },
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-
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- // get the length as pixels
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- toPixels: function(viewPort) {
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- if (!that.hasValue()) return 0;
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- var s = that.value+'';
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- if (s.match(/em$/)) return that.numValue() * this.EM(viewPort);
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- if (s.match(/ex$/)) return that.numValue() * this.EM(viewPort) / 2.0;
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- if (s.match(/px$/)) return that.numValue();
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- if (s.match(/pt$/)) return that.numValue() * 1.25;
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- if (s.match(/pc$/)) return that.numValue() * 15;
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- if (s.match(/cm$/)) return that.numValue() * this.DPI(viewPort) / 2.54;
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- if (s.match(/mm$/)) return that.numValue() * this.DPI(viewPort) / 25.4;
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- if (s.match(/in$/)) return that.numValue() * this.DPI(viewPort);
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- if (s.match(/%$/)) return that.numValue() * svg.ViewPort.ComputeSize(viewPort);
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- return that.numValue();
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- }
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- }
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-
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- // time extensions
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- this.Time = {
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- // get the time as milliseconds
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- toMilliseconds: function() {
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- if (!that.hasValue()) return 0;
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- var s = that.value+'';
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- if (s.match(/s$/)) return that.numValue() * 1000;
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- if (s.match(/ms$/)) return that.numValue();
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- return that.numValue();
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- }
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- }
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-
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- // angle extensions
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- this.Angle = {
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- // get the angle as radians
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- toRadians: function() {
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- if (!that.hasValue()) return 0;
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- var s = that.value+'';
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- if (s.match(/deg$/)) return that.numValue() * (Math.PI / 180.0);
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- if (s.match(/grad$/)) return that.numValue() * (Math.PI / 200.0);
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- if (s.match(/rad$/)) return that.numValue();
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- return that.numValue() * (Math.PI / 180.0);
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- }
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- }
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- }
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-
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- // fonts
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- svg.Font = new (function() {
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- this.Styles = ['normal','italic','oblique','inherit'];
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- this.Variants = ['normal','small-caps','inherit'];
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- this.Weights = ['normal','bold','bolder','lighter','100','200','300','400','500','600','700','800','900','inherit'];
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-
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- this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
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- var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
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- return {
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- fontFamily: fontFamily || f.fontFamily,
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- fontSize: fontSize || f.fontSize,
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- fontStyle: fontStyle || f.fontStyle,
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- fontWeight: fontWeight || f.fontWeight,
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- fontVariant: fontVariant || f.fontVariant,
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- toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
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- }
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- }
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-
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- var that = this;
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- this.Parse = function(s) {
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- var f = {};
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- var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
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- var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
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- var ff = '';
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- for (var i=0; i<d.length; i++) {
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- if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
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- else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; }
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- 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; }
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- else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
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- else { if (d[i] != 'inherit') ff += d[i]; }
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- } if (ff != '') f.fontFamily = ff;
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- return f;
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- }
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- });
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-
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- // points and paths
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- svg.ToNumberArray = function(s) {
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- var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
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- for (var i=0; i<a.length; i++) {
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- a[i] = parseFloat(a[i]);
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- }
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- return a;
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- }
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- svg.Point = function(x, y) {
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- this.x = x;
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- this.y = y;
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-
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- this.angleTo = function(p) {
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- return Math.atan2(p.y - this.y, p.x - this.x);
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- }
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-
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- this.applyTransform = function(v) {
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- var xp = this.x * v[0] + this.y * v[2] + v[4];
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- var yp = this.x * v[1] + this.y * v[3] + v[5];
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- this.x = xp;
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- this.y = yp;
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- }
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- }
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- svg.CreatePoint = function(s) {
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- var a = svg.ToNumberArray(s);
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- return new svg.Point(a[0], a[1]);
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- }
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- svg.CreatePath = function(s) {
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- var a = svg.ToNumberArray(s);
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- var path = [];
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- for (var i=0; i<a.length; i+=2) {
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- path.push(new svg.Point(a[i], a[i+1]));
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- }
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- return path;
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- }
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-
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- // bounding box
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- svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want
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- this.x1 = Number.NaN;
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- this.y1 = Number.NaN;
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- this.x2 = Number.NaN;
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- this.y2 = Number.NaN;
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-
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- this.x = function() { return this.x1; }
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- this.y = function() { return this.y1; }
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- this.width = function() { return this.x2 - this.x1; }
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- this.height = function() { return this.y2 - this.y1; }
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-
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- this.addPoint = function(x, y) {
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- if (x != null) {
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- if (isNaN(this.x1) || isNaN(this.x2)) {
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- this.x1 = x;
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- this.x2 = x;
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- }
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- if (x < this.x1) this.x1 = x;
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- if (x > this.x2) this.x2 = x;
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- }
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-
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- if (y != null) {
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- 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
|
|
|
- });
|
|
|
- }
|
|
|
-}
|