| 1 | /*
|
|---|
| 2 | * canvg.js - Javascript SVG parser and renderer on Canvas
|
|---|
| 3 | * MIT Licensed
|
|---|
| 4 | * Gabe Lerner ([email protected])
|
|---|
| 5 | * http://code.google.com/p/canvg/
|
|---|
| 6 | *
|
|---|
| 7 | * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
|
|---|
| 8 | */
|
|---|
| 9 | if(!window.console) {
|
|---|
| 10 | window.console = {};
|
|---|
| 11 | window.console.log = function(str) {};
|
|---|
| 12 | window.console.dir = function(str) {};
|
|---|
| 13 | }
|
|---|
| 14 |
|
|---|
| 15 | if(!Array.prototype.indexOf){
|
|---|
| 16 | Array.prototype.indexOf = function(obj){
|
|---|
| 17 | for(var i=0; i<this.length; i++){
|
|---|
| 18 | if(this[i]==obj){
|
|---|
| 19 | return i;
|
|---|
| 20 | }
|
|---|
| 21 | }
|
|---|
| 22 | return -1;
|
|---|
| 23 | }
|
|---|
| 24 | }
|
|---|
| 25 |
|
|---|
| 26 | (function(){
|
|---|
| 27 | // canvg(target, s)
|
|---|
| 28 | // empty parameters: replace all 'svg' elements on page with 'canvas' elements
|
|---|
| 29 | // target: canvas element or the id of a canvas element
|
|---|
| 30 | // s: svg string, url to svg file, or xml document
|
|---|
| 31 | // opts: optional hash of options
|
|---|
| 32 | // ignoreMouse: true => ignore mouse events
|
|---|
| 33 | // ignoreAnimation: true => ignore animations
|
|---|
| 34 | // ignoreDimensions: true => does not try to resize canvas
|
|---|
| 35 | // ignoreClear: true => does not clear canvas
|
|---|
| 36 | // offsetX: int => draws at a x offset
|
|---|
| 37 | // offsetY: int => draws at a y offset
|
|---|
| 38 | // scaleWidth: int => scales horizontally to width
|
|---|
| 39 | // scaleHeight: int => scales vertically to height
|
|---|
| 40 | // renderCallback: function => will call the function after the first render is completed
|
|---|
| 41 | // forceRedraw: function => will call the function on every frame, if it returns true, will redraw
|
|---|
| 42 | this.canvg = function (target, s, opts) {
|
|---|
| 43 | // no parameters
|
|---|
| 44 | if (target == null && s == null && opts == null) {
|
|---|
| 45 | var svgTags = document.getElementsByTagName('svg');
|
|---|
| 46 | for (var i=0; i<svgTags.length; i++) {
|
|---|
| 47 | var svgTag = svgTags[i];
|
|---|
| 48 | var c = document.createElement('canvas');
|
|---|
| 49 | c.width = svgTag.clientWidth;
|
|---|
| 50 | c.height = svgTag.clientHeight;
|
|---|
| 51 | svgTag.parentNode.insertBefore(c, svgTag);
|
|---|
| 52 | svgTag.parentNode.removeChild(svgTag);
|
|---|
| 53 | var div = document.createElement('div');
|
|---|
| 54 | div.appendChild(svgTag);
|
|---|
| 55 | canvg(c, div.innerHTML);
|
|---|
| 56 | }
|
|---|
| 57 | return;
|
|---|
| 58 | }
|
|---|
| 59 | opts = opts || {};
|
|---|
| 60 |
|
|---|
| 61 | if (typeof target == 'string') {
|
|---|
| 62 | target = document.getElementById(target);
|
|---|
| 63 | }
|
|---|
| 64 |
|
|---|
| 65 | // reuse class per canvas
|
|---|
| 66 | var svg;
|
|---|
| 67 | if (target.svg == null) {
|
|---|
| 68 | svg = build();
|
|---|
| 69 | target.svg = svg;
|
|---|
| 70 | }
|
|---|
| 71 | else {
|
|---|
| 72 | svg = target.svg;
|
|---|
| 73 | svg.stop();
|
|---|
| 74 | }
|
|---|
| 75 | svg.opts = opts;
|
|---|
| 76 |
|
|---|
| 77 | var ctx = target.getContext('2d');
|
|---|
| 78 | if (typeof(s.documentElement) != 'undefined') {
|
|---|
| 79 | // load from xml doc
|
|---|
| 80 | svg.loadXmlDoc(ctx, s);
|
|---|
| 81 | }
|
|---|
| 82 | else if (s.substr(0,1) == '<') {
|
|---|
| 83 | // load from xml string
|
|---|
| 84 | svg.loadXml(ctx, s);
|
|---|
| 85 | }
|
|---|
| 86 | else {
|
|---|
| 87 | // load from url
|
|---|
| 88 | svg.load(ctx, s);
|
|---|
| 89 | }
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| 92 | function build() {
|
|---|
| 93 | var svg = { };
|
|---|
| 94 |
|
|---|
| 95 | svg.FRAMERATE = 30;
|
|---|
| 96 | svg.MAX_VIRTUAL_PIXELS = 30000;
|
|---|
| 97 |
|
|---|
| 98 | // globals
|
|---|
| 99 | svg.init = function(ctx) {
|
|---|
| 100 | svg.Definitions = {};
|
|---|
| 101 | svg.Styles = {};
|
|---|
| 102 | svg.Animations = [];
|
|---|
| 103 | svg.Images = [];
|
|---|
| 104 | svg.ctx = ctx;
|
|---|
| 105 | svg.ViewPort = new (function () {
|
|---|
| 106 | this.viewPorts = [];
|
|---|
| 107 | this.Clear = function() { this.viewPorts = []; }
|
|---|
| 108 | this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
|
|---|
| 109 | this.RemoveCurrent = function() { this.viewPorts.pop(); }
|
|---|
| 110 | this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
|
|---|
| 111 | this.width = function() { return this.Current().width; }
|
|---|
| 112 | this.height = function() { return this.Current().height; }
|
|---|
| 113 | this.ComputeSize = function(d) {
|
|---|
| 114 | if (d != null && typeof(d) == 'number') return d;
|
|---|
| 115 | if (d == 'x') return this.width();
|
|---|
| 116 | if (d == 'y') return this.height();
|
|---|
| 117 | return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
|
|---|
| 118 | }
|
|---|
| 119 | });
|
|---|
| 120 | }
|
|---|
| 121 | svg.init();
|
|---|
| 122 |
|
|---|
| 123 | // images loaded
|
|---|
| 124 | svg.ImagesLoaded = function() {
|
|---|
| 125 | for (var i=0; i<svg.Images.length; i++) {
|
|---|
| 126 | if (!svg.Images[i].loaded) return false;
|
|---|
| 127 | }
|
|---|
| 128 | return true;
|
|---|
| 129 | }
|
|---|
| 130 |
|
|---|
| 131 | // trim
|
|---|
| 132 | svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); }
|
|---|
| 133 |
|
|---|
| 134 | // compress spaces
|
|---|
| 135 | svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
|
|---|
| 136 |
|
|---|
| 137 | // ajax
|
|---|
| 138 | svg.ajax = function(url) {
|
|---|
| 139 | var AJAX;
|
|---|
| 140 | if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();}
|
|---|
| 141 | else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
|
|---|
| 142 | if(AJAX){
|
|---|
| 143 | AJAX.open('GET',url,false);
|
|---|
| 144 | AJAX.send(null);
|
|---|
| 145 | return AJAX.responseText;
|
|---|
| 146 | }
|
|---|
| 147 | return null;
|
|---|
| 148 | }
|
|---|
| 149 |
|
|---|
| 150 | // parse xml
|
|---|
| 151 | svg.parseXml = function(xml) {
|
|---|
| 152 | if (window.DOMParser)
|
|---|
| 153 | {
|
|---|
| 154 | var parser = new DOMParser();
|
|---|
| 155 | return parser.parseFromString(xml, 'text/xml');
|
|---|
| 156 | }
|
|---|
| 157 | else
|
|---|
| 158 | {
|
|---|
| 159 | xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
|
|---|
| 160 | var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
|
|---|
| 161 | xmlDoc.async = 'false';
|
|---|
| 162 | xmlDoc.loadXML(xml);
|
|---|
| 163 | return xmlDoc;
|
|---|
| 164 | }
|
|---|
| 165 | }
|
|---|
| 166 |
|
|---|
| 167 | svg.Property = function(name, value) {
|
|---|
| 168 | this.name = name;
|
|---|
| 169 | this.value = value;
|
|---|
| 170 |
|
|---|
| 171 | this.hasValue = function() {
|
|---|
| 172 | return (this.value != null && this.value !== '');
|
|---|
| 173 | }
|
|---|
| 174 |
|
|---|
| 175 | // return the numerical value of the property
|
|---|
| 176 | this.numValue = function() {
|
|---|
| 177 | if (!this.hasValue()) return 0;
|
|---|
| 178 |
|
|---|
| 179 | var n = parseFloat(this.value);
|
|---|
| 180 | if ((this.value + '').match(/%$/)) {
|
|---|
| 181 | n = n / 100.0;
|
|---|
| 182 | }
|
|---|
| 183 | return n;
|
|---|
| 184 | }
|
|---|
| 185 |
|
|---|
| 186 | this.valueOrDefault = function(def) {
|
|---|
| 187 | if (this.hasValue()) return this.value;
|
|---|
| 188 | return def;
|
|---|
| 189 | }
|
|---|
| 190 |
|
|---|
| 191 | this.numValueOrDefault = function(def) {
|
|---|
| 192 | if (this.hasValue()) return this.numValue();
|
|---|
| 193 | return def;
|
|---|
| 194 | }
|
|---|
| 195 |
|
|---|
| 196 | /* EXTENSIONS */
|
|---|
| 197 | var that = this;
|
|---|
| 198 |
|
|---|
| 199 | // color extensions
|
|---|
| 200 | this.Color = {
|
|---|
| 201 | // augment the current color value with the opacity
|
|---|
| 202 | addOpacity: function(opacity) {
|
|---|
| 203 | var newValue = that.value;
|
|---|
| 204 | if (opacity != null && opacity != '') {
|
|---|
| 205 | var color = new RGBColor(that.value);
|
|---|
| 206 | if (color.ok) {
|
|---|
| 207 | newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacity + ')';
|
|---|
| 208 | }
|
|---|
| 209 | }
|
|---|
| 210 | return new svg.Property(that.name, newValue);
|
|---|
| 211 | }
|
|---|
| 212 | }
|
|---|
| 213 |
|
|---|
| 214 | // definition extensions
|
|---|
| 215 | this.Definition = {
|
|---|
| 216 | // get the definition from the definitions table
|
|---|
| 217 | getDefinition: function() {
|
|---|
| 218 | var name = that.value.replace(/^(url\()?#([^\)]+)\)?$/, '$2');
|
|---|
| 219 | return svg.Definitions[name];
|
|---|
| 220 | },
|
|---|
| 221 |
|
|---|
| 222 | isUrl: function() {
|
|---|
| 223 | return that.value.indexOf('url(') == 0
|
|---|
| 224 | },
|
|---|
| 225 |
|
|---|
| 226 | getFillStyle: function(e) {
|
|---|
| 227 | var def = this.getDefinition();
|
|---|
| 228 |
|
|---|
| 229 | // gradient
|
|---|
| 230 | if (def != null && def.createGradient) {
|
|---|
| 231 | return def.createGradient(svg.ctx, e);
|
|---|
| 232 | }
|
|---|
| 233 |
|
|---|
| 234 | // pattern
|
|---|
| 235 | if (def != null && def.createPattern) {
|
|---|
| 236 | return def.createPattern(svg.ctx, e);
|
|---|
| 237 | }
|
|---|
| 238 |
|
|---|
| 239 | return null;
|
|---|
| 240 | }
|
|---|
| 241 | }
|
|---|
| 242 |
|
|---|
| 243 | // length extensions
|
|---|
| 244 | this.Length = {
|
|---|
| 245 | DPI: function(viewPort) {
|
|---|
| 246 | return 96.0; // TODO: compute?
|
|---|
| 247 | },
|
|---|
| 248 |
|
|---|
| 249 | EM: function(viewPort) {
|
|---|
| 250 | var em = 12;
|
|---|
| 251 |
|
|---|
| 252 | var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
|
|---|
| 253 | if (fontSize.hasValue()) em = fontSize.Length.toPixels(viewPort);
|
|---|
| 254 |
|
|---|
| 255 | return em;
|
|---|
| 256 | },
|
|---|
| 257 |
|
|---|
| 258 | // get the length as pixels
|
|---|
| 259 | toPixels: function(viewPort) {
|
|---|
| 260 | if (!that.hasValue()) return 0;
|
|---|
| 261 | var s = that.value+'';
|
|---|
| 262 | if (s.match(/em$/)) return that.numValue() * this.EM(viewPort);
|
|---|
| 263 | if (s.match(/ex$/)) return that.numValue() * this.EM(viewPort) / 2.0;
|
|---|
| 264 | if (s.match(/px$/)) return that.numValue();
|
|---|
| 265 | if (s.match(/pt$/)) return that.numValue() * 1.25;
|
|---|
| 266 | if (s.match(/pc$/)) return that.numValue() * 15;
|
|---|
| 267 | if (s.match(/cm$/)) return that.numValue() * this.DPI(viewPort) / 2.54;
|
|---|
| 268 | if (s.match(/mm$/)) return that.numValue() * this.DPI(viewPort) / 25.4;
|
|---|
| 269 | if (s.match(/in$/)) return that.numValue() * this.DPI(viewPort);
|
|---|
| 270 | if (s.match(/%$/)) return that.numValue() * svg.ViewPort.ComputeSize(viewPort);
|
|---|
| 271 | return that.numValue();
|
|---|
| 272 | }
|
|---|
| 273 | }
|
|---|
| 274 |
|
|---|
| 275 | // time extensions
|
|---|
| 276 | this.Time = {
|
|---|
| 277 | // get the time as milliseconds
|
|---|
| 278 | toMilliseconds: function() {
|
|---|
| 279 | if (!that.hasValue()) return 0;
|
|---|
| 280 | var s = that.value+'';
|
|---|
| 281 | if (s.match(/s$/)) return that.numValue() * 1000;
|
|---|
| 282 | if (s.match(/ms$/)) return that.numValue();
|
|---|
| 283 | return that.numValue();
|
|---|
| 284 | }
|
|---|
| 285 | }
|
|---|
| 286 |
|
|---|
| 287 | // angle extensions
|
|---|
| 288 | this.Angle = {
|
|---|
| 289 | // get the angle as radians
|
|---|
| 290 | toRadians: function() {
|
|---|
| 291 | if (!that.hasValue()) return 0;
|
|---|
| 292 | var s = that.value+'';
|
|---|
| 293 | if (s.match(/deg$/)) return that.numValue() * (Math.PI / 180.0);
|
|---|
| 294 | if (s.match(/grad$/)) return that.numValue() * (Math.PI / 200.0);
|
|---|
| 295 | if (s.match(/rad$/)) return that.numValue();
|
|---|
| 296 | return that.numValue() * (Math.PI / 180.0);
|
|---|
| 297 | }
|
|---|
| 298 | }
|
|---|
| 299 | }
|
|---|
| 300 |
|
|---|
| 301 | // fonts
|
|---|
| 302 | svg.Font = new (function() {
|
|---|
| 303 | this.Styles = ['normal','italic','oblique','inherit'];
|
|---|
| 304 | this.Variants = ['normal','small-caps','inherit'];
|
|---|
| 305 | this.Weights = ['normal','bold','bolder','lighter','100','200','300','400','500','600','700','800','900','inherit'];
|
|---|
| 306 |
|
|---|
| 307 | this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
|
|---|
| 308 | var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
|
|---|
| 309 | return {
|
|---|
| 310 | fontFamily: fontFamily || f.fontFamily,
|
|---|
| 311 | fontSize: fontSize || f.fontSize,
|
|---|
| 312 | fontStyle: fontStyle || f.fontStyle,
|
|---|
| 313 | fontWeight: fontWeight || f.fontWeight,
|
|---|
| 314 | fontVariant: fontVariant || f.fontVariant,
|
|---|
| 315 | toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
|
|---|
| 316 | }
|
|---|
| 317 | }
|
|---|
| 318 |
|
|---|
| 319 | var that = this;
|
|---|
| 320 | this.Parse = function(s) {
|
|---|
| 321 | var f = {};
|
|---|
| 322 | var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
|
|---|
| 323 | var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
|
|---|
| 324 | var ff = '';
|
|---|
| 325 | for (var i=0; i<d.length; i++) {
|
|---|
| 326 | if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
|
|---|
| 327 | else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; }
|
|---|
| 328 | 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; }
|
|---|
| 329 | else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
|
|---|
| 330 | else { if (d[i] != 'inherit') ff += d[i]; }
|
|---|
| 331 | } if (ff != '') f.fontFamily = ff;
|
|---|
| 332 | return f;
|
|---|
| 333 | }
|
|---|
| 334 | });
|
|---|
| 335 |
|
|---|
| 336 | // points and paths
|
|---|
| 337 | svg.ToNumberArray = function(s) {
|
|---|
| 338 | var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
|
|---|
| 339 | for (var i=0; i<a.length; i++) {
|
|---|
| 340 | a[i] = parseFloat(a[i]);
|
|---|
| 341 | }
|
|---|
| 342 | return a;
|
|---|
| 343 | }
|
|---|
| 344 | svg.Point = function(x, y) {
|
|---|
| 345 | this.x = x;
|
|---|
| 346 | this.y = y;
|
|---|
| 347 |
|
|---|
| 348 | this.angleTo = function(p) {
|
|---|
| 349 | return Math.atan2(p.y - this.y, p.x - this.x);
|
|---|
| 350 | }
|
|---|
| 351 |
|
|---|
| 352 | this.applyTransform = function(v) {
|
|---|
| 353 | var xp = this.x * v[0] + this.y * v[2] + v[4];
|
|---|
| 354 | var yp = this.x * v[1] + this.y * v[3] + v[5];
|
|---|
| 355 | this.x = xp;
|
|---|
| 356 | this.y = yp;
|
|---|
| 357 | }
|
|---|
| 358 | }
|
|---|
| 359 | svg.CreatePoint = function(s) {
|
|---|
| 360 | var a = svg.ToNumberArray(s);
|
|---|
| 361 | return new svg.Point(a[0], a[1]);
|
|---|
| 362 | }
|
|---|
| 363 | svg.CreatePath = function(s) {
|
|---|
| 364 | var a = svg.ToNumberArray(s);
|
|---|
| 365 | var path = [];
|
|---|
| 366 | for (var i=0; i<a.length; i+=2) {
|
|---|
| 367 | path.push(new svg.Point(a[i], a[i+1]));
|
|---|
| 368 | }
|
|---|
| 369 | return path;
|
|---|
| 370 | }
|
|---|
| 371 |
|
|---|
| 372 | // bounding box
|
|---|
| 373 | svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want
|
|---|
| 374 | this.x1 = Number.NaN;
|
|---|
| 375 | this.y1 = Number.NaN;
|
|---|
| 376 | this.x2 = Number.NaN;
|
|---|
| 377 | this.y2 = Number.NaN;
|
|---|
| 378 |
|
|---|
| 379 | this.x = function() { return this.x1; }
|
|---|
| 380 | this.y = function() { return this.y1; }
|
|---|
| 381 | this.width = function() { return this.x2 - this.x1; }
|
|---|
| 382 | this.height = function() { return this.y2 - this.y1; }
|
|---|
| 383 |
|
|---|
| 384 | this.addPoint = function(x, y) {
|
|---|
| 385 | if (x != null) {
|
|---|
| 386 | if (isNaN(this.x1) || isNaN(this.x2)) {
|
|---|
| 387 | this.x1 = x;
|
|---|
| 388 | this.x2 = x;
|
|---|
| 389 | }
|
|---|
| 390 | if (x < this.x1) this.x1 = x;
|
|---|
| 391 | if (x > this.x2) this.x2 = x;
|
|---|
| 392 | }
|
|---|
| 393 |
|
|---|
| 394 | if (y != null) {
|
|---|
| 395 | if (isNaN(this.y1) || isNaN(this.y2)) {
|
|---|
| 396 | this.y1 = y;
|
|---|
| 397 | this.y2 = y;
|
|---|
| 398 | }
|
|---|
| 399 | if (y < this.y1) this.y1 = y;
|
|---|
| 400 | if (y > this.y2) this.y2 = y;
|
|---|
| 401 | }
|
|---|
| 402 | }
|
|---|
| 403 | this.addX = function(x) { this.addPoint(x, null); }
|
|---|
| 404 | this.addY = function(y) { this.addPoint(null, y); }
|
|---|
| 405 |
|
|---|
| 406 | this.addBoundingBox = function(bb) {
|
|---|
| 407 | this.addPoint(bb.x1, bb.y1);
|
|---|
| 408 | this.addPoint(bb.x2, bb.y2);
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
|
|---|
| 412 | var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
|
|---|
| 413 | var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
|
|---|
| 414 | var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
|
|---|
| 415 | var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
|
|---|
| 416 | this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
|
|---|
| 420 | // from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
|
|---|
| 421 | var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
|
|---|
| 422 | this.addPoint(p0[0], p0[1]);
|
|---|
| 423 | this.addPoint(p3[0], p3[1]);
|
|---|
| 424 |
|
|---|
| 425 | for (i=0; i<=1; i++) {
|
|---|
| 426 | var f = function(t) {
|
|---|
| 427 | return Math.pow(1-t, 3) * p0[i]
|
|---|
| 428 | + 3 * Math.pow(1-t, 2) * t * p1[i]
|
|---|
| 429 | + 3 * (1-t) * Math.pow(t, 2) * p2[i]
|
|---|
| 430 | + Math.pow(t, 3) * p3[i];
|
|---|
| 431 | }
|
|---|
| 432 |
|
|---|
| 433 | var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
|
|---|
| 434 | var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
|
|---|
| 435 | var c = 3 * p1[i] - 3 * p0[i];
|
|---|
| 436 |
|
|---|
| 437 | if (a == 0) {
|
|---|
| 438 | if (b == 0) continue;
|
|---|
| 439 | var t = -c / b;
|
|---|
| 440 | if (0 < t && t < 1) {
|
|---|
| 441 | if (i == 0) this.addX(f(t));
|
|---|
| 442 | if (i == 1) this.addY(f(t));
|
|---|
| 443 | }
|
|---|
| 444 | continue;
|
|---|
| 445 | }
|
|---|
| 446 |
|
|---|
| 447 | var b2ac = Math.pow(b, 2) - 4 * c * a;
|
|---|
| 448 | if (b2ac < 0) continue;
|
|---|
| 449 | var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
|
|---|
| 450 | if (0 < t1 && t1 < 1) {
|
|---|
| 451 | if (i == 0) this.addX(f(t1));
|
|---|
| 452 | if (i == 1) this.addY(f(t1));
|
|---|
| 453 | }
|
|---|
| 454 | var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
|
|---|
| 455 | if (0 < t2 && t2 < 1) {
|
|---|
| 456 | if (i == 0) this.addX(f(t2));
|
|---|
| 457 | if (i == 1) this.addY(f(t2));
|
|---|
| 458 | }
|
|---|
| 459 | }
|
|---|
| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | this.isPointInBox = function(x, y) {
|
|---|
| 463 | return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
|
|---|
| 464 | }
|
|---|
| 465 |
|
|---|
| 466 | this.addPoint(x1, y1);
|
|---|
| 467 | this.addPoint(x2, y2);
|
|---|
| 468 | }
|
|---|
| 469 |
|
|---|
| 470 | // transforms
|
|---|
| 471 | svg.Transform = function(v) {
|
|---|
| 472 | var that = this;
|
|---|
| 473 | this.Type = {}
|
|---|
| 474 |
|
|---|
| 475 | // translate
|
|---|
| 476 | this.Type.translate = function(s) {
|
|---|
| 477 | this.p = svg.CreatePoint(s);
|
|---|
| 478 | this.apply = function(ctx) {
|
|---|
| 479 | ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
|
|---|
| 480 | }
|
|---|
| 481 | this.applyToPoint = function(p) {
|
|---|
| 482 | p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
|
|---|
| 483 | }
|
|---|
| 484 | }
|
|---|
| 485 |
|
|---|
| 486 | // rotate
|
|---|
| 487 | this.Type.rotate = function(s) {
|
|---|
| 488 | var a = svg.ToNumberArray(s);
|
|---|
| 489 | this.angle = new svg.Property('angle', a[0]);
|
|---|
| 490 | this.cx = a[1] || 0;
|
|---|
| 491 | this.cy = a[2] || 0;
|
|---|
| 492 | this.apply = function(ctx) {
|
|---|
| 493 | ctx.translate(this.cx, this.cy);
|
|---|
| 494 | ctx.rotate(this.angle.Angle.toRadians());
|
|---|
| 495 | ctx.translate(-this.cx, -this.cy);
|
|---|
| 496 | }
|
|---|
| 497 | this.applyToPoint = function(p) {
|
|---|
| 498 | var a = this.angle.Angle.toRadians();
|
|---|
| 499 | p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
|
|---|
| 500 | p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
|
|---|
| 501 | p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
|
|---|
| 502 | }
|
|---|
| 503 | }
|
|---|
| 504 |
|
|---|
| 505 | this.Type.scale = function(s) {
|
|---|
| 506 | this.p = svg.CreatePoint(s);
|
|---|
| 507 | this.apply = function(ctx) {
|
|---|
| 508 | ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
|
|---|
| 509 | }
|
|---|
| 510 | this.applyToPoint = function(p) {
|
|---|
| 511 | p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | this.Type.matrix = function(s) {
|
|---|
| 516 | this.m = svg.ToNumberArray(s);
|
|---|
| 517 | this.apply = function(ctx) {
|
|---|
| 518 | ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
|
|---|
| 519 | }
|
|---|
| 520 | this.applyToPoint = function(p) {
|
|---|
| 521 | p.applyTransform(this.m);
|
|---|
| 522 | }
|
|---|
| 523 | }
|
|---|
| 524 |
|
|---|
| 525 | this.Type.SkewBase = function(s) {
|
|---|
| 526 | this.base = that.Type.matrix;
|
|---|
| 527 | this.base(s);
|
|---|
| 528 | this.angle = new svg.Property('angle', s);
|
|---|
| 529 | }
|
|---|
| 530 | this.Type.SkewBase.prototype = new this.Type.matrix;
|
|---|
| 531 |
|
|---|
| 532 | this.Type.skewX = function(s) {
|
|---|
| 533 | this.base = that.Type.SkewBase;
|
|---|
| 534 | this.base(s);
|
|---|
| 535 | this.m = [1, 0, Math.tan(this.angle.Angle.toRadians()), 1, 0, 0];
|
|---|
| 536 | }
|
|---|
| 537 | this.Type.skewX.prototype = new this.Type.SkewBase;
|
|---|
| 538 |
|
|---|
| 539 | this.Type.skewY = function(s) {
|
|---|
| 540 | this.base = that.Type.SkewBase;
|
|---|
| 541 | this.base(s);
|
|---|
| 542 | this.m = [1, Math.tan(this.angle.Angle.toRadians()), 0, 1, 0, 0];
|
|---|
| 543 | }
|
|---|
| 544 | this.Type.skewY.prototype = new this.Type.SkewBase;
|
|---|
| 545 |
|
|---|
| 546 | this.transforms = [];
|
|---|
| 547 |
|
|---|
| 548 | this.apply = function(ctx) {
|
|---|
| 549 | for (var i=0; i<this.transforms.length; i++) {
|
|---|
| 550 | this.transforms[i].apply(ctx);
|
|---|
| 551 | }
|
|---|
| 552 | }
|
|---|
| 553 |
|
|---|
| 554 | this.applyToPoint = function(p) {
|
|---|
| 555 | for (var i=0; i<this.transforms.length; i++) {
|
|---|
| 556 | this.transforms[i].applyToPoint(p);
|
|---|
| 557 | }
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | var data = svg.trim(svg.compressSpaces(v)).split(/\s(?=[a-z])/);
|
|---|
| 561 | for (var i=0; i<data.length; i++) {
|
|---|
| 562 | var type = data[i].split('(')[0];
|
|---|
| 563 | var s = data[i].split('(')[1].replace(')','');
|
|---|
| 564 | var transform = new this.Type[type](s);
|
|---|
| 565 | this.transforms.push(transform);
|
|---|
| 566 | }
|
|---|
| 567 | }
|
|---|
| 568 |
|
|---|
| 569 | // aspect ratio
|
|---|
| 570 | svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
|
|---|
| 571 | // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
|
|---|
| 572 | aspectRatio = svg.compressSpaces(aspectRatio);
|
|---|
| 573 | aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer
|
|---|
| 574 | var align = aspectRatio.split(' ')[0] || 'xMidYMid';
|
|---|
| 575 | var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
|
|---|
| 576 |
|
|---|
| 577 | // calculate scale
|
|---|
| 578 | var scaleX = width / desiredWidth;
|
|---|
| 579 | var scaleY = height / desiredHeight;
|
|---|
| 580 | var scaleMin = Math.min(scaleX, scaleY);
|
|---|
| 581 | var scaleMax = Math.max(scaleX, scaleY);
|
|---|
| 582 | if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; }
|
|---|
| 583 | if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; }
|
|---|
| 584 |
|
|---|
| 585 | refX = new svg.Property('refX', refX);
|
|---|
| 586 | refY = new svg.Property('refY', refY);
|
|---|
| 587 | if (refX.hasValue() && refY.hasValue()) {
|
|---|
| 588 | ctx.translate(-scaleMin * refX.Length.toPixels('x'), -scaleMin * refY.Length.toPixels('y'));
|
|---|
| 589 | }
|
|---|
| 590 | else {
|
|---|
| 591 | // align
|
|---|
| 592 | if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
|
|---|
| 593 | if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
|
|---|
| 594 | if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
|
|---|
| 595 | if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
|
|---|
| 596 | }
|
|---|
| 597 |
|
|---|
| 598 | // scale
|
|---|
| 599 | if (align == 'none') ctx.scale(scaleX, scaleY);
|
|---|
| 600 | else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
|
|---|
| 601 | else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
|
|---|
| 602 |
|
|---|
| 603 | // translate
|
|---|
| 604 | ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
|
|---|
| 605 | }
|
|---|
| 606 |
|
|---|
| 607 | // elements
|
|---|
| 608 | svg.Element = {}
|
|---|
| 609 |
|
|---|
| 610 | svg.Element.ElementBase = function(node) {
|
|---|
| 611 | this.attributes = {};
|
|---|
| 612 | this.styles = {};
|
|---|
| 613 | this.children = [];
|
|---|
| 614 |
|
|---|
| 615 | // get or create attribute
|
|---|
| 616 | this.attribute = function(name, createIfNotExists) {
|
|---|
| 617 | var a = this.attributes[name];
|
|---|
| 618 | if (a != null) return a;
|
|---|
| 619 |
|
|---|
| 620 | a = new svg.Property(name, '');
|
|---|
| 621 | if (createIfNotExists == true) this.attributes[name] = a;
|
|---|
| 622 | return a;
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | // get or create style, crawls up node tree
|
|---|
| 626 | this.style = function(name, createIfNotExists) {
|
|---|
| 627 | var s = this.styles[name];
|
|---|
| 628 | if (s != null) return s;
|
|---|
| 629 |
|
|---|
| 630 | var a = this.attribute(name);
|
|---|
| 631 | if (a != null && a.hasValue()) {
|
|---|
| 632 | return a;
|
|---|
| 633 | }
|
|---|
| 634 |
|
|---|
| 635 | var p = this.parent;
|
|---|
| 636 | if (p != null) {
|
|---|
| 637 | var ps = p.style(name);
|
|---|
| 638 | if (ps != null && ps.hasValue()) {
|
|---|
| 639 | return ps;
|
|---|
| 640 | }
|
|---|
| 641 | }
|
|---|
| 642 |
|
|---|
| 643 | s = new svg.Property(name, '');
|
|---|
| 644 | if (createIfNotExists == true) this.styles[name] = s;
|
|---|
| 645 | return s;
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | // base render
|
|---|
| 649 | this.render = function(ctx) {
|
|---|
| 650 | // don't render display=none
|
|---|
| 651 | if (this.style('display').value == 'none') return;
|
|---|
| 652 |
|
|---|
| 653 | // don't render visibility=hidden
|
|---|
| 654 | if (this.attribute('visibility').value == 'hidden') return;
|
|---|
| 655 |
|
|---|
| 656 | ctx.save();
|
|---|
| 657 | this.setContext(ctx);
|
|---|
| 658 | // mask
|
|---|
| 659 | if (this.attribute('mask').hasValue()) {
|
|---|
| 660 | var mask = this.attribute('mask').Definition.getDefinition();
|
|---|
| 661 | if (mask != null) mask.apply(ctx, this);
|
|---|
| 662 | }
|
|---|
| 663 | else if (this.style('filter').hasValue()) {
|
|---|
| 664 | var filter = this.style('filter').Definition.getDefinition();
|
|---|
| 665 | if (filter != null) filter.apply(ctx, this);
|
|---|
| 666 | }
|
|---|
| 667 | else this.renderChildren(ctx);
|
|---|
| 668 | this.clearContext(ctx);
|
|---|
| 669 | ctx.restore();
|
|---|
| 670 | }
|
|---|
| 671 |
|
|---|
| 672 | // base set context
|
|---|
| 673 | this.setContext = function(ctx) {
|
|---|
| 674 | // OVERRIDE ME!
|
|---|
| 675 | }
|
|---|
| 676 |
|
|---|
| 677 | // base clear context
|
|---|
| 678 | this.clearContext = function(ctx) {
|
|---|
| 679 | // OVERRIDE ME!
|
|---|
| 680 | }
|
|---|
| 681 |
|
|---|
| 682 | // base render children
|
|---|
| 683 | this.renderChildren = function(ctx) {
|
|---|
| 684 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 685 | this.children[i].render(ctx);
|
|---|
| 686 | }
|
|---|
| 687 | }
|
|---|
| 688 |
|
|---|
| 689 | this.addChild = function(childNode, create) {
|
|---|
| 690 | var child = childNode;
|
|---|
| 691 | if (create) child = svg.CreateElement(childNode);
|
|---|
| 692 | child.parent = this;
|
|---|
| 693 | this.children.push(child);
|
|---|
| 694 | }
|
|---|
| 695 |
|
|---|
| 696 | if (node != null && node.nodeType == 1) { //ELEMENT_NODE
|
|---|
| 697 | // add children
|
|---|
| 698 | for (var i=0; i<node.childNodes.length; i++) {
|
|---|
| 699 | var childNode = node.childNodes[i];
|
|---|
| 700 | if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE
|
|---|
| 701 | }
|
|---|
| 702 |
|
|---|
| 703 | // add attributes
|
|---|
| 704 | for (var i=0; i<node.attributes.length; i++) {
|
|---|
| 705 | var attribute = node.attributes[i];
|
|---|
| 706 | this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue);
|
|---|
| 707 | }
|
|---|
| 708 |
|
|---|
| 709 | // add tag styles
|
|---|
| 710 | var styles = svg.Styles[node.nodeName];
|
|---|
| 711 | if (styles != null) {
|
|---|
| 712 | for (var name in styles) {
|
|---|
| 713 | this.styles[name] = styles[name];
|
|---|
| 714 | }
|
|---|
| 715 | }
|
|---|
| 716 |
|
|---|
| 717 | // add class styles
|
|---|
| 718 | if (this.attribute('class').hasValue()) {
|
|---|
| 719 | var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
|
|---|
| 720 | for (var j=0; j<classes.length; j++) {
|
|---|
| 721 | styles = svg.Styles['.'+classes[j]];
|
|---|
| 722 | if (styles != null) {
|
|---|
| 723 | for (var name in styles) {
|
|---|
| 724 | this.styles[name] = styles[name];
|
|---|
| 725 | }
|
|---|
| 726 | }
|
|---|
| 727 | styles = svg.Styles[node.nodeName+'.'+classes[j]];
|
|---|
| 728 | if (styles != null) {
|
|---|
| 729 | for (var name in styles) {
|
|---|
| 730 | this.styles[name] = styles[name];
|
|---|
| 731 | }
|
|---|
| 732 | }
|
|---|
| 733 | }
|
|---|
| 734 | }
|
|---|
| 735 |
|
|---|
| 736 | // add inline styles
|
|---|
| 737 | if (this.attribute('style').hasValue()) {
|
|---|
| 738 | var styles = this.attribute('style').value.split(';');
|
|---|
| 739 | for (var i=0; i<styles.length; i++) {
|
|---|
| 740 | if (svg.trim(styles[i]) != '') {
|
|---|
| 741 | var style = styles[i].split(':');
|
|---|
| 742 | var name = svg.trim(style[0]);
|
|---|
| 743 | var value = svg.trim(style[1]);
|
|---|
| 744 | this.styles[name] = new svg.Property(name, value);
|
|---|
| 745 | }
|
|---|
| 746 | }
|
|---|
| 747 | }
|
|---|
| 748 |
|
|---|
| 749 | // add id
|
|---|
| 750 | if (this.attribute('id').hasValue()) {
|
|---|
| 751 | if (svg.Definitions[this.attribute('id').value] == null) {
|
|---|
| 752 | svg.Definitions[this.attribute('id').value] = this;
|
|---|
| 753 | }
|
|---|
| 754 | }
|
|---|
| 755 | }
|
|---|
| 756 | }
|
|---|
| 757 |
|
|---|
| 758 | svg.Element.RenderedElementBase = function(node) {
|
|---|
| 759 | this.base = svg.Element.ElementBase;
|
|---|
| 760 | this.base(node);
|
|---|
| 761 |
|
|---|
| 762 | this.setContext = function(ctx) {
|
|---|
| 763 | // fill
|
|---|
| 764 | if (this.style('fill').Definition.isUrl()) {
|
|---|
| 765 | var fs = this.style('fill').Definition.getFillStyle(this);
|
|---|
| 766 | if (fs != null) ctx.fillStyle = fs;
|
|---|
| 767 | }
|
|---|
| 768 | else if (this.style('fill').hasValue()) {
|
|---|
| 769 | var fillStyle = this.style('fill');
|
|---|
| 770 | if (this.style('fill-opacity').hasValue()) fillStyle = fillStyle.Color.addOpacity(this.style('fill-opacity').value);
|
|---|
| 771 | ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value);
|
|---|
| 772 | }
|
|---|
| 773 |
|
|---|
| 774 | // stroke
|
|---|
| 775 | if (this.style('stroke').Definition.isUrl()) {
|
|---|
| 776 | var fs = this.style('stroke').Definition.getFillStyle(this);
|
|---|
| 777 | if (fs != null) ctx.strokeStyle = fs;
|
|---|
| 778 | }
|
|---|
| 779 | else if (this.style('stroke').hasValue()) {
|
|---|
| 780 | var strokeStyle = this.style('stroke');
|
|---|
| 781 | if (this.style('stroke-opacity').hasValue()) strokeStyle = strokeStyle.Color.addOpacity(this.style('stroke-opacity').value);
|
|---|
| 782 | ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value);
|
|---|
| 783 | }
|
|---|
| 784 | if (this.style('stroke-width').hasValue()) ctx.lineWidth = this.style('stroke-width').Length.toPixels();
|
|---|
| 785 | if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
|
|---|
| 786 | if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
|
|---|
| 787 | if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
|
|---|
| 788 |
|
|---|
| 789 | // font
|
|---|
| 790 | if (typeof(ctx.font) != 'undefined') {
|
|---|
| 791 | ctx.font = svg.Font.CreateFont(
|
|---|
| 792 | this.style('font-style').value,
|
|---|
| 793 | this.style('font-variant').value,
|
|---|
| 794 | this.style('font-weight').value,
|
|---|
| 795 | this.style('font-size').hasValue() ? this.style('font-size').Length.toPixels() + 'px' : '',
|
|---|
| 796 | this.style('font-family').value).toString();
|
|---|
| 797 | }
|
|---|
| 798 |
|
|---|
| 799 | // transform
|
|---|
| 800 | if (this.attribute('transform').hasValue()) {
|
|---|
| 801 | var transform = new svg.Transform(this.attribute('transform').value);
|
|---|
| 802 | transform.apply(ctx);
|
|---|
| 803 | }
|
|---|
| 804 |
|
|---|
| 805 | // clip
|
|---|
| 806 | if (this.attribute('clip-path').hasValue()) {
|
|---|
| 807 | var clip = this.attribute('clip-path').Definition.getDefinition();
|
|---|
| 808 | if (clip != null) clip.apply(ctx);
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | // opacity
|
|---|
| 812 | if (this.style('opacity').hasValue()) {
|
|---|
| 813 | ctx.globalAlpha = this.style('opacity').numValue();
|
|---|
| 814 | }
|
|---|
| 815 | }
|
|---|
| 816 | }
|
|---|
| 817 | svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase;
|
|---|
| 818 |
|
|---|
| 819 | svg.Element.PathElementBase = function(node) {
|
|---|
| 820 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 821 | this.base(node);
|
|---|
| 822 |
|
|---|
| 823 | this.path = function(ctx) {
|
|---|
| 824 | if (ctx != null) ctx.beginPath();
|
|---|
| 825 | return new svg.BoundingBox();
|
|---|
| 826 | }
|
|---|
| 827 |
|
|---|
| 828 | this.renderChildren = function(ctx) {
|
|---|
| 829 | this.path(ctx);
|
|---|
| 830 | svg.Mouse.checkPath(this, ctx);
|
|---|
| 831 | if (ctx.fillStyle != '') ctx.fill();
|
|---|
| 832 | if (ctx.strokeStyle != '') ctx.stroke();
|
|---|
| 833 |
|
|---|
| 834 | var markers = this.getMarkers();
|
|---|
| 835 | if (markers != null) {
|
|---|
| 836 | if (this.style('marker-start').Definition.isUrl()) {
|
|---|
| 837 | var marker = this.style('marker-start').Definition.getDefinition();
|
|---|
| 838 | marker.render(ctx, markers[0][0], markers[0][1]);
|
|---|
| 839 | }
|
|---|
| 840 | if (this.style('marker-mid').Definition.isUrl()) {
|
|---|
| 841 | var marker = this.style('marker-mid').Definition.getDefinition();
|
|---|
| 842 | for (var i=1;i<markers.length-1;i++) {
|
|---|
| 843 | marker.render(ctx, markers[i][0], markers[i][1]);
|
|---|
| 844 | }
|
|---|
| 845 | }
|
|---|
| 846 | if (this.style('marker-end').Definition.isUrl()) {
|
|---|
| 847 | var marker = this.style('marker-end').Definition.getDefinition();
|
|---|
| 848 | marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]);
|
|---|
| 849 | }
|
|---|
| 850 | }
|
|---|
| 851 | }
|
|---|
| 852 |
|
|---|
| 853 | this.getBoundingBox = function() {
|
|---|
| 854 | return this.path();
|
|---|
| 855 | }
|
|---|
| 856 |
|
|---|
| 857 | this.getMarkers = function() {
|
|---|
| 858 | return null;
|
|---|
| 859 | }
|
|---|
| 860 | }
|
|---|
| 861 | svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 862 |
|
|---|
| 863 | // svg element
|
|---|
| 864 | svg.Element.svg = function(node) {
|
|---|
| 865 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 866 | this.base(node);
|
|---|
| 867 |
|
|---|
| 868 | this.baseClearContext = this.clearContext;
|
|---|
| 869 | this.clearContext = function(ctx) {
|
|---|
| 870 | this.baseClearContext(ctx);
|
|---|
| 871 | svg.ViewPort.RemoveCurrent();
|
|---|
| 872 | }
|
|---|
| 873 |
|
|---|
| 874 | this.baseSetContext = this.setContext;
|
|---|
| 875 | this.setContext = function(ctx) {
|
|---|
| 876 | // initial values
|
|---|
| 877 | ctx.strokeStyle = 'rgba(0,0,0,0)';
|
|---|
| 878 | ctx.lineCap = 'butt';
|
|---|
| 879 | ctx.lineJoin = 'miter';
|
|---|
| 880 | ctx.miterLimit = 4;
|
|---|
| 881 |
|
|---|
| 882 | this.baseSetContext(ctx);
|
|---|
| 883 |
|
|---|
| 884 | // create new view port
|
|---|
| 885 | if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
|
|---|
| 886 | ctx.translate(this.attribute('x').Length.toPixels('x'), this.attribute('y').Length.toPixels('y'));
|
|---|
| 887 | }
|
|---|
| 888 |
|
|---|
| 889 | var width = svg.ViewPort.width();
|
|---|
| 890 | var height = svg.ViewPort.height();
|
|---|
| 891 | if (typeof(this.root) == 'undefined' && this.attribute('width').hasValue() && this.attribute('height').hasValue()) {
|
|---|
| 892 | width = this.attribute('width').Length.toPixels('x');
|
|---|
| 893 | height = this.attribute('height').Length.toPixels('y');
|
|---|
| 894 |
|
|---|
| 895 | var x = 0;
|
|---|
| 896 | var y = 0;
|
|---|
| 897 | if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
|
|---|
| 898 | x = -this.attribute('refX').Length.toPixels('x');
|
|---|
| 899 | y = -this.attribute('refY').Length.toPixels('y');
|
|---|
| 900 | }
|
|---|
| 901 |
|
|---|
| 902 | ctx.beginPath();
|
|---|
| 903 | ctx.moveTo(x, y);
|
|---|
| 904 | ctx.lineTo(width, y);
|
|---|
| 905 | ctx.lineTo(width, height);
|
|---|
| 906 | ctx.lineTo(x, height);
|
|---|
| 907 | ctx.closePath();
|
|---|
| 908 | ctx.clip();
|
|---|
| 909 | }
|
|---|
| 910 | svg.ViewPort.SetCurrent(width, height);
|
|---|
| 911 |
|
|---|
| 912 | // viewbox
|
|---|
| 913 | if (this.attribute('viewBox').hasValue()) {
|
|---|
| 914 | var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
|
|---|
| 915 | var minX = viewBox[0];
|
|---|
| 916 | var minY = viewBox[1];
|
|---|
| 917 | width = viewBox[2];
|
|---|
| 918 | height = viewBox[3];
|
|---|
| 919 |
|
|---|
| 920 | svg.AspectRatio(ctx,
|
|---|
| 921 | this.attribute('preserveAspectRatio').value,
|
|---|
| 922 | svg.ViewPort.width(),
|
|---|
| 923 | width,
|
|---|
| 924 | svg.ViewPort.height(),
|
|---|
| 925 | height,
|
|---|
| 926 | minX,
|
|---|
| 927 | minY,
|
|---|
| 928 | this.attribute('refX').value,
|
|---|
| 929 | this.attribute('refY').value);
|
|---|
| 930 |
|
|---|
| 931 | svg.ViewPort.RemoveCurrent();
|
|---|
| 932 | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
|---|
| 933 | }
|
|---|
| 934 | }
|
|---|
| 935 | }
|
|---|
| 936 | svg.Element.svg.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 937 |
|
|---|
| 938 | // rect element
|
|---|
| 939 | svg.Element.rect = function(node) {
|
|---|
| 940 | this.base = svg.Element.PathElementBase;
|
|---|
| 941 | this.base(node);
|
|---|
| 942 |
|
|---|
| 943 | this.path = function(ctx) {
|
|---|
| 944 | var x = this.attribute('x').Length.toPixels('x');
|
|---|
| 945 | var y = this.attribute('y').Length.toPixels('y');
|
|---|
| 946 | var width = this.attribute('width').Length.toPixels('x');
|
|---|
| 947 | var height = this.attribute('height').Length.toPixels('y');
|
|---|
| 948 | var rx = this.attribute('rx').Length.toPixels('x');
|
|---|
| 949 | var ry = this.attribute('ry').Length.toPixels('y');
|
|---|
| 950 | if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx;
|
|---|
| 951 | if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
|
|---|
| 952 |
|
|---|
| 953 | if (ctx != null) {
|
|---|
| 954 | ctx.beginPath();
|
|---|
| 955 | ctx.moveTo(x + rx, y);
|
|---|
| 956 | ctx.lineTo(x + width - rx, y);
|
|---|
| 957 | ctx.quadraticCurveTo(x + width, y, x + width, y + ry)
|
|---|
| 958 | ctx.lineTo(x + width, y + height - ry);
|
|---|
| 959 | ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height)
|
|---|
| 960 | ctx.lineTo(x + rx, y + height);
|
|---|
| 961 | ctx.quadraticCurveTo(x, y + height, x, y + height - ry)
|
|---|
| 962 | ctx.lineTo(x, y + ry);
|
|---|
| 963 | ctx.quadraticCurveTo(x, y, x + rx, y)
|
|---|
| 964 | ctx.closePath();
|
|---|
| 965 | }
|
|---|
| 966 |
|
|---|
| 967 | return new svg.BoundingBox(x, y, x + width, y + height);
|
|---|
| 968 | }
|
|---|
| 969 | }
|
|---|
| 970 | svg.Element.rect.prototype = new svg.Element.PathElementBase;
|
|---|
| 971 |
|
|---|
| 972 | // circle element
|
|---|
| 973 | svg.Element.circle = function(node) {
|
|---|
| 974 | this.base = svg.Element.PathElementBase;
|
|---|
| 975 | this.base(node);
|
|---|
| 976 |
|
|---|
| 977 | this.path = function(ctx) {
|
|---|
| 978 | var cx = this.attribute('cx').Length.toPixels('x');
|
|---|
| 979 | var cy = this.attribute('cy').Length.toPixels('y');
|
|---|
| 980 | var r = this.attribute('r').Length.toPixels();
|
|---|
| 981 |
|
|---|
| 982 | if (ctx != null) {
|
|---|
| 983 | ctx.beginPath();
|
|---|
| 984 | ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
|
|---|
| 985 | ctx.closePath();
|
|---|
| 986 | }
|
|---|
| 987 |
|
|---|
| 988 | return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
|
|---|
| 989 | }
|
|---|
| 990 | }
|
|---|
| 991 | svg.Element.circle.prototype = new svg.Element.PathElementBase;
|
|---|
| 992 |
|
|---|
| 993 | // ellipse element
|
|---|
| 994 | svg.Element.ellipse = function(node) {
|
|---|
| 995 | this.base = svg.Element.PathElementBase;
|
|---|
| 996 | this.base(node);
|
|---|
| 997 |
|
|---|
| 998 | this.path = function(ctx) {
|
|---|
| 999 | var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
|
|---|
| 1000 | var rx = this.attribute('rx').Length.toPixels('x');
|
|---|
| 1001 | var ry = this.attribute('ry').Length.toPixels('y');
|
|---|
| 1002 | var cx = this.attribute('cx').Length.toPixels('x');
|
|---|
| 1003 | var cy = this.attribute('cy').Length.toPixels('y');
|
|---|
| 1004 |
|
|---|
| 1005 | if (ctx != null) {
|
|---|
| 1006 | ctx.beginPath();
|
|---|
| 1007 | ctx.moveTo(cx, cy - ry);
|
|---|
| 1008 | ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy);
|
|---|
| 1009 | ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry);
|
|---|
| 1010 | ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy);
|
|---|
| 1011 | ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry);
|
|---|
| 1012 | ctx.closePath();
|
|---|
| 1013 | }
|
|---|
| 1014 |
|
|---|
| 1015 | return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
|
|---|
| 1016 | }
|
|---|
| 1017 | }
|
|---|
| 1018 | svg.Element.ellipse.prototype = new svg.Element.PathElementBase;
|
|---|
| 1019 |
|
|---|
| 1020 | // line element
|
|---|
| 1021 | svg.Element.line = function(node) {
|
|---|
| 1022 | this.base = svg.Element.PathElementBase;
|
|---|
| 1023 | this.base(node);
|
|---|
| 1024 |
|
|---|
| 1025 | this.getPoints = function() {
|
|---|
| 1026 | return [
|
|---|
| 1027 | new svg.Point(this.attribute('x1').Length.toPixels('x'), this.attribute('y1').Length.toPixels('y')),
|
|---|
| 1028 | new svg.Point(this.attribute('x2').Length.toPixels('x'), this.attribute('y2').Length.toPixels('y'))];
|
|---|
| 1029 | }
|
|---|
| 1030 |
|
|---|
| 1031 | this.path = function(ctx) {
|
|---|
| 1032 | var points = this.getPoints();
|
|---|
| 1033 |
|
|---|
| 1034 | if (ctx != null) {
|
|---|
| 1035 | ctx.beginPath();
|
|---|
| 1036 | ctx.moveTo(points[0].x, points[0].y);
|
|---|
| 1037 | ctx.lineTo(points[1].x, points[1].y);
|
|---|
| 1038 | }
|
|---|
| 1039 |
|
|---|
| 1040 | return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
|
|---|
| 1041 | }
|
|---|
| 1042 |
|
|---|
| 1043 | this.getMarkers = function() {
|
|---|
| 1044 | var points = this.getPoints();
|
|---|
| 1045 | var a = points[0].angleTo(points[1]);
|
|---|
| 1046 | return [[points[0], a], [points[1], a]];
|
|---|
| 1047 | }
|
|---|
| 1048 | }
|
|---|
| 1049 | svg.Element.line.prototype = new svg.Element.PathElementBase;
|
|---|
| 1050 |
|
|---|
| 1051 | // polyline element
|
|---|
| 1052 | svg.Element.polyline = function(node) {
|
|---|
| 1053 | this.base = svg.Element.PathElementBase;
|
|---|
| 1054 | this.base(node);
|
|---|
| 1055 |
|
|---|
| 1056 | this.points = svg.CreatePath(this.attribute('points').value);
|
|---|
| 1057 | this.path = function(ctx) {
|
|---|
| 1058 | var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
|
|---|
| 1059 | if (ctx != null) {
|
|---|
| 1060 | ctx.beginPath();
|
|---|
| 1061 | ctx.moveTo(this.points[0].x, this.points[0].y);
|
|---|
| 1062 | }
|
|---|
| 1063 | for (var i=1; i<this.points.length; i++) {
|
|---|
| 1064 | bb.addPoint(this.points[i].x, this.points[i].y);
|
|---|
| 1065 | if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
|
|---|
| 1066 | }
|
|---|
| 1067 | return bb;
|
|---|
| 1068 | }
|
|---|
| 1069 |
|
|---|
| 1070 | this.getMarkers = function() {
|
|---|
| 1071 | var markers = [];
|
|---|
| 1072 | for (var i=0; i<this.points.length - 1; i++) {
|
|---|
| 1073 | markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]);
|
|---|
| 1074 | }
|
|---|
| 1075 | markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]);
|
|---|
| 1076 | return markers;
|
|---|
| 1077 | }
|
|---|
| 1078 | }
|
|---|
| 1079 | svg.Element.polyline.prototype = new svg.Element.PathElementBase;
|
|---|
| 1080 |
|
|---|
| 1081 | // polygon element
|
|---|
| 1082 | svg.Element.polygon = function(node) {
|
|---|
| 1083 | this.base = svg.Element.polyline;
|
|---|
| 1084 | this.base(node);
|
|---|
| 1085 |
|
|---|
| 1086 | this.basePath = this.path;
|
|---|
| 1087 | this.path = function(ctx) {
|
|---|
| 1088 | var bb = this.basePath(ctx);
|
|---|
| 1089 | if (ctx != null) {
|
|---|
| 1090 | ctx.lineTo(this.points[0].x, this.points[0].y);
|
|---|
| 1091 | ctx.closePath();
|
|---|
| 1092 | }
|
|---|
| 1093 | return bb;
|
|---|
| 1094 | }
|
|---|
| 1095 | }
|
|---|
| 1096 | svg.Element.polygon.prototype = new svg.Element.polyline;
|
|---|
| 1097 |
|
|---|
| 1098 | // path element
|
|---|
| 1099 | svg.Element.path = function(node) {
|
|---|
| 1100 | this.base = svg.Element.PathElementBase;
|
|---|
| 1101 | this.base(node);
|
|---|
| 1102 |
|
|---|
| 1103 | var d = this.attribute('d').value;
|
|---|
| 1104 | // TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF
|
|---|
| 1105 | d = d.replace(/,/gm,' '); // get rid of all commas
|
|---|
| 1106 | d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
|
|---|
| 1107 | d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
|
|---|
| 1108 | d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points
|
|---|
| 1109 | d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from points
|
|---|
| 1110 | d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits when no comma
|
|---|
| 1111 | d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when no comma
|
|---|
| 1112 | d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax
|
|---|
| 1113 | d = svg.compressSpaces(d); // compress multiple spaces
|
|---|
| 1114 | d = svg.trim(d);
|
|---|
| 1115 | this.PathParser = new (function(d) {
|
|---|
| 1116 | this.tokens = d.split(' ');
|
|---|
| 1117 |
|
|---|
| 1118 | this.reset = function() {
|
|---|
| 1119 | this.i = -1;
|
|---|
| 1120 | this.command = '';
|
|---|
| 1121 | this.previousCommand = '';
|
|---|
| 1122 | this.start = new svg.Point(0, 0);
|
|---|
| 1123 | this.control = new svg.Point(0, 0);
|
|---|
| 1124 | this.current = new svg.Point(0, 0);
|
|---|
| 1125 | this.points = [];
|
|---|
| 1126 | this.angles = [];
|
|---|
| 1127 | }
|
|---|
| 1128 |
|
|---|
| 1129 | this.isEnd = function() {
|
|---|
| 1130 | return this.i >= this.tokens.length - 1;
|
|---|
| 1131 | }
|
|---|
| 1132 |
|
|---|
| 1133 | this.isCommandOrEnd = function() {
|
|---|
| 1134 | if (this.isEnd()) return true;
|
|---|
| 1135 | return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
|
|---|
| 1136 | }
|
|---|
| 1137 |
|
|---|
| 1138 | this.isRelativeCommand = function() {
|
|---|
| 1139 | return this.command == this.command.toLowerCase();
|
|---|
| 1140 | }
|
|---|
| 1141 |
|
|---|
| 1142 | this.getToken = function() {
|
|---|
| 1143 | this.i = this.i + 1;
|
|---|
| 1144 | return this.tokens[this.i];
|
|---|
| 1145 | }
|
|---|
| 1146 |
|
|---|
| 1147 | this.getScalar = function() {
|
|---|
| 1148 | return parseFloat(this.getToken());
|
|---|
| 1149 | }
|
|---|
| 1150 |
|
|---|
| 1151 | this.nextCommand = function() {
|
|---|
| 1152 | this.previousCommand = this.command;
|
|---|
| 1153 | this.command = this.getToken();
|
|---|
| 1154 | }
|
|---|
| 1155 |
|
|---|
| 1156 | this.getPoint = function() {
|
|---|
| 1157 | var p = new svg.Point(this.getScalar(), this.getScalar());
|
|---|
| 1158 | return this.makeAbsolute(p);
|
|---|
| 1159 | }
|
|---|
| 1160 |
|
|---|
| 1161 | this.getAsControlPoint = function() {
|
|---|
| 1162 | var p = this.getPoint();
|
|---|
| 1163 | this.control = p;
|
|---|
| 1164 | return p;
|
|---|
| 1165 | }
|
|---|
| 1166 |
|
|---|
| 1167 | this.getAsCurrentPoint = function() {
|
|---|
| 1168 | var p = this.getPoint();
|
|---|
| 1169 | this.current = p;
|
|---|
| 1170 | return p;
|
|---|
| 1171 | }
|
|---|
| 1172 |
|
|---|
| 1173 | this.getReflectedControlPoint = function() {
|
|---|
| 1174 | if (this.previousCommand.toLowerCase() != 'c' && this.previousCommand.toLowerCase() != 's') {
|
|---|
| 1175 | return this.current;
|
|---|
| 1176 | }
|
|---|
| 1177 |
|
|---|
| 1178 | // reflect point
|
|---|
| 1179 | var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
|
|---|
| 1180 | return p;
|
|---|
| 1181 | }
|
|---|
| 1182 |
|
|---|
| 1183 | this.makeAbsolute = function(p) {
|
|---|
| 1184 | if (this.isRelativeCommand()) {
|
|---|
| 1185 | p.x = this.current.x + p.x;
|
|---|
| 1186 | p.y = this.current.y + p.y;
|
|---|
| 1187 | }
|
|---|
| 1188 | return p;
|
|---|
| 1189 | }
|
|---|
| 1190 |
|
|---|
| 1191 | this.addMarker = function(p, from, priorTo) {
|
|---|
| 1192 | // if the last angle isn't filled in because we didn't have this point yet ...
|
|---|
| 1193 | if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
|
|---|
| 1194 | this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
|
|---|
| 1195 | }
|
|---|
| 1196 | this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
|
|---|
| 1197 | }
|
|---|
| 1198 |
|
|---|
| 1199 | this.addMarkerAngle = function(p, a) {
|
|---|
| 1200 | this.points.push(p);
|
|---|
| 1201 | this.angles.push(a);
|
|---|
| 1202 | }
|
|---|
| 1203 |
|
|---|
| 1204 | this.getMarkerPoints = function() { return this.points; }
|
|---|
| 1205 | this.getMarkerAngles = function() {
|
|---|
| 1206 | for (var i=0; i<this.angles.length; i++) {
|
|---|
| 1207 | if (this.angles[i] == null) {
|
|---|
| 1208 | for (var j=i+1; j<this.angles.length; j++) {
|
|---|
| 1209 | if (this.angles[j] != null) {
|
|---|
| 1210 | this.angles[i] = this.angles[j];
|
|---|
| 1211 | break;
|
|---|
| 1212 | }
|
|---|
| 1213 | }
|
|---|
| 1214 | }
|
|---|
| 1215 | }
|
|---|
| 1216 | return this.angles;
|
|---|
| 1217 | }
|
|---|
| 1218 | })(d);
|
|---|
| 1219 |
|
|---|
| 1220 | this.path = function(ctx) {
|
|---|
| 1221 | var pp = this.PathParser;
|
|---|
| 1222 | pp.reset();
|
|---|
| 1223 |
|
|---|
| 1224 | var bb = new svg.BoundingBox();
|
|---|
| 1225 | if (ctx != null) ctx.beginPath();
|
|---|
| 1226 | while (!pp.isEnd()) {
|
|---|
| 1227 | pp.nextCommand();
|
|---|
| 1228 | switch (pp.command.toUpperCase()) {
|
|---|
| 1229 | case 'M':
|
|---|
| 1230 | var p = pp.getAsCurrentPoint();
|
|---|
| 1231 | pp.addMarker(p);
|
|---|
| 1232 | bb.addPoint(p.x, p.y);
|
|---|
| 1233 | if (ctx != null) ctx.moveTo(p.x, p.y);
|
|---|
| 1234 | pp.start = pp.current;
|
|---|
| 1235 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1236 | var p = pp.getAsCurrentPoint();
|
|---|
| 1237 | pp.addMarker(p, pp.start);
|
|---|
| 1238 | bb.addPoint(p.x, p.y);
|
|---|
| 1239 | if (ctx != null) ctx.lineTo(p.x, p.y);
|
|---|
| 1240 | }
|
|---|
| 1241 | break;
|
|---|
| 1242 | case 'L':
|
|---|
| 1243 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1244 | var c = pp.current;
|
|---|
| 1245 | var p = pp.getAsCurrentPoint();
|
|---|
| 1246 | pp.addMarker(p, c);
|
|---|
| 1247 | bb.addPoint(p.x, p.y);
|
|---|
| 1248 | if (ctx != null) ctx.lineTo(p.x, p.y);
|
|---|
| 1249 | }
|
|---|
| 1250 | break;
|
|---|
| 1251 | case 'H':
|
|---|
| 1252 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1253 | var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
|
|---|
| 1254 | pp.addMarker(newP, pp.current);
|
|---|
| 1255 | pp.current = newP;
|
|---|
| 1256 | bb.addPoint(pp.current.x, pp.current.y);
|
|---|
| 1257 | if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
|---|
| 1258 | }
|
|---|
| 1259 | break;
|
|---|
| 1260 | case 'V':
|
|---|
| 1261 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1262 | var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
|
|---|
| 1263 | pp.addMarker(newP, pp.current);
|
|---|
| 1264 | pp.current = newP;
|
|---|
| 1265 | bb.addPoint(pp.current.x, pp.current.y);
|
|---|
| 1266 | if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
|---|
| 1267 | }
|
|---|
| 1268 | break;
|
|---|
| 1269 | case 'C':
|
|---|
| 1270 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1271 | var curr = pp.current;
|
|---|
| 1272 | var p1 = pp.getPoint();
|
|---|
| 1273 | var cntrl = pp.getAsControlPoint();
|
|---|
| 1274 | var cp = pp.getAsCurrentPoint();
|
|---|
| 1275 | pp.addMarker(cp, cntrl, p1);
|
|---|
| 1276 | bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1277 | if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1278 | }
|
|---|
| 1279 | break;
|
|---|
| 1280 | case 'S':
|
|---|
| 1281 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1282 | var curr = pp.current;
|
|---|
| 1283 | var p1 = pp.getReflectedControlPoint();
|
|---|
| 1284 | var cntrl = pp.getAsControlPoint();
|
|---|
| 1285 | var cp = pp.getAsCurrentPoint();
|
|---|
| 1286 | pp.addMarker(cp, cntrl, p1);
|
|---|
| 1287 | bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1288 | if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1289 | }
|
|---|
| 1290 | break;
|
|---|
| 1291 | case 'Q':
|
|---|
| 1292 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1293 | var curr = pp.current;
|
|---|
| 1294 | var cntrl = pp.getAsControlPoint();
|
|---|
| 1295 | var cp = pp.getAsCurrentPoint();
|
|---|
| 1296 | pp.addMarker(cp, cntrl, cntrl);
|
|---|
| 1297 | bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1298 | if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1299 | }
|
|---|
| 1300 | break;
|
|---|
| 1301 | case 'T':
|
|---|
| 1302 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1303 | var curr = pp.current;
|
|---|
| 1304 | var cntrl = pp.getReflectedControlPoint();
|
|---|
| 1305 | pp.control = cntrl;
|
|---|
| 1306 | var cp = pp.getAsCurrentPoint();
|
|---|
| 1307 | pp.addMarker(cp, cntrl, cntrl);
|
|---|
| 1308 | bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1309 | if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
|---|
| 1310 | }
|
|---|
| 1311 | break;
|
|---|
| 1312 | case 'A':
|
|---|
| 1313 | while (!pp.isCommandOrEnd()) {
|
|---|
| 1314 | var curr = pp.current;
|
|---|
| 1315 | var rx = pp.getScalar();
|
|---|
| 1316 | var ry = pp.getScalar();
|
|---|
| 1317 | var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
|
|---|
| 1318 | var largeArcFlag = pp.getScalar();
|
|---|
| 1319 | var sweepFlag = pp.getScalar();
|
|---|
| 1320 | var cp = pp.getAsCurrentPoint();
|
|---|
| 1321 |
|
|---|
| 1322 | // Conversion from endpoint to center parameterization
|
|---|
| 1323 | // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
|
|---|
| 1324 | // x1', y1'
|
|---|
| 1325 | var currp = new svg.Point(
|
|---|
| 1326 | Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0,
|
|---|
| 1327 | -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0
|
|---|
| 1328 | );
|
|---|
| 1329 | // adjust radii
|
|---|
| 1330 | var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2);
|
|---|
| 1331 | if (l > 1) {
|
|---|
| 1332 | rx *= Math.sqrt(l);
|
|---|
| 1333 | ry *= Math.sqrt(l);
|
|---|
| 1334 | }
|
|---|
| 1335 | // cx', cy'
|
|---|
| 1336 | var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
|
|---|
| 1337 | ((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))) /
|
|---|
| 1338 | (Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2))
|
|---|
| 1339 | );
|
|---|
| 1340 | if (isNaN(s)) s = 0;
|
|---|
| 1341 | var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
|
|---|
| 1342 | // cx, cy
|
|---|
| 1343 | var centp = new svg.Point(
|
|---|
| 1344 | (curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
|
|---|
| 1345 | (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
|
|---|
| 1346 | );
|
|---|
| 1347 | // vector magnitude
|
|---|
| 1348 | var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
|
|---|
| 1349 | // ratio between two vectors
|
|---|
| 1350 | var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) }
|
|---|
| 1351 | // angle between two vectors
|
|---|
| 1352 | var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); }
|
|---|
| 1353 | // initial angle
|
|---|
| 1354 | var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
|
|---|
| 1355 | // angle delta
|
|---|
| 1356 | var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
|
|---|
| 1357 | var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
|
|---|
| 1358 | var ad = a(u, v);
|
|---|
| 1359 | if (r(u,v) <= -1) ad = Math.PI;
|
|---|
| 1360 | if (r(u,v) >= 1) ad = 0;
|
|---|
| 1361 |
|
|---|
| 1362 | if (sweepFlag == 0 && ad > 0) ad = ad - 2 * Math.PI;
|
|---|
| 1363 | if (sweepFlag == 1 && ad < 0) ad = ad + 2 * Math.PI;
|
|---|
| 1364 |
|
|---|
| 1365 | // for markers
|
|---|
| 1366 | var halfWay = new svg.Point(
|
|---|
| 1367 | centp.x - rx * Math.cos((a1 + ad) / 2),
|
|---|
| 1368 | centp.y - ry * Math.sin((a1 + ad) / 2)
|
|---|
| 1369 | );
|
|---|
| 1370 | pp.addMarkerAngle(halfWay, (a1 + ad) / 2 + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2);
|
|---|
| 1371 | pp.addMarkerAngle(cp, ad + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2);
|
|---|
| 1372 |
|
|---|
| 1373 | bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
|
|---|
| 1374 | if (ctx != null) {
|
|---|
| 1375 | var r = rx > ry ? rx : ry;
|
|---|
| 1376 | var sx = rx > ry ? 1 : rx / ry;
|
|---|
| 1377 | var sy = rx > ry ? ry / rx : 1;
|
|---|
| 1378 |
|
|---|
| 1379 | ctx.translate(centp.x, centp.y);
|
|---|
| 1380 | ctx.rotate(xAxisRotation);
|
|---|
| 1381 | ctx.scale(sx, sy);
|
|---|
| 1382 | ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
|
|---|
| 1383 | ctx.scale(1/sx, 1/sy);
|
|---|
| 1384 | ctx.rotate(-xAxisRotation);
|
|---|
| 1385 | ctx.translate(-centp.x, -centp.y);
|
|---|
| 1386 | }
|
|---|
| 1387 | }
|
|---|
| 1388 | break;
|
|---|
| 1389 | case 'Z':
|
|---|
| 1390 | if (ctx != null) ctx.closePath();
|
|---|
| 1391 | pp.current = pp.start;
|
|---|
| 1392 | }
|
|---|
| 1393 | }
|
|---|
| 1394 |
|
|---|
| 1395 | return bb;
|
|---|
| 1396 | }
|
|---|
| 1397 |
|
|---|
| 1398 | this.getMarkers = function() {
|
|---|
| 1399 | var points = this.PathParser.getMarkerPoints();
|
|---|
| 1400 | var angles = this.PathParser.getMarkerAngles();
|
|---|
| 1401 |
|
|---|
| 1402 | var markers = [];
|
|---|
| 1403 | for (var i=0; i<points.length; i++) {
|
|---|
| 1404 | markers.push([points[i], angles[i]]);
|
|---|
| 1405 | }
|
|---|
| 1406 | return markers;
|
|---|
| 1407 | }
|
|---|
| 1408 | }
|
|---|
| 1409 | svg.Element.path.prototype = new svg.Element.PathElementBase;
|
|---|
| 1410 |
|
|---|
| 1411 | // pattern element
|
|---|
| 1412 | svg.Element.pattern = function(node) {
|
|---|
| 1413 | this.base = svg.Element.ElementBase;
|
|---|
| 1414 | this.base(node);
|
|---|
| 1415 |
|
|---|
| 1416 | this.createPattern = function(ctx, element) {
|
|---|
| 1417 | // render me using a temporary svg element
|
|---|
| 1418 | var tempSvg = new svg.Element.svg();
|
|---|
| 1419 | tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
|---|
| 1420 | tempSvg.attributes['x'] = new svg.Property('x', this.attribute('x').value);
|
|---|
| 1421 | tempSvg.attributes['y'] = new svg.Property('y', this.attribute('y').value);
|
|---|
| 1422 | tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
|
|---|
| 1423 | tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
|
|---|
| 1424 | tempSvg.children = this.children;
|
|---|
| 1425 |
|
|---|
| 1426 | var c = document.createElement('canvas');
|
|---|
| 1427 | c.width = this.attribute('width').Length.toPixels('x');
|
|---|
| 1428 | c.height = this.attribute('height').Length.toPixels('y');
|
|---|
| 1429 | tempSvg.render(c.getContext('2d'));
|
|---|
| 1430 | return ctx.createPattern(c, 'repeat');
|
|---|
| 1431 | }
|
|---|
| 1432 | }
|
|---|
| 1433 | svg.Element.pattern.prototype = new svg.Element.ElementBase;
|
|---|
| 1434 |
|
|---|
| 1435 | // marker element
|
|---|
| 1436 | svg.Element.marker = function(node) {
|
|---|
| 1437 | this.base = svg.Element.ElementBase;
|
|---|
| 1438 | this.base(node);
|
|---|
| 1439 |
|
|---|
| 1440 | this.baseRender = this.render;
|
|---|
| 1441 | this.render = function(ctx, point, angle) {
|
|---|
| 1442 | ctx.translate(point.x, point.y);
|
|---|
| 1443 | if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle);
|
|---|
| 1444 | if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
|
|---|
| 1445 | ctx.save();
|
|---|
| 1446 |
|
|---|
| 1447 | // render me using a temporary svg element
|
|---|
| 1448 | var tempSvg = new svg.Element.svg();
|
|---|
| 1449 | tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
|
|---|
| 1450 | tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
|
|---|
| 1451 | tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value);
|
|---|
| 1452 | tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value);
|
|---|
| 1453 | tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value);
|
|---|
| 1454 | tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black'));
|
|---|
| 1455 | tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
|
|---|
| 1456 | tempSvg.children = this.children;
|
|---|
| 1457 | tempSvg.render(ctx);
|
|---|
| 1458 |
|
|---|
| 1459 | ctx.restore();
|
|---|
| 1460 | if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth);
|
|---|
| 1461 | if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle);
|
|---|
| 1462 | ctx.translate(-point.x, -point.y);
|
|---|
| 1463 | }
|
|---|
| 1464 | }
|
|---|
| 1465 | svg.Element.marker.prototype = new svg.Element.ElementBase;
|
|---|
| 1466 |
|
|---|
| 1467 | // definitions element
|
|---|
| 1468 | svg.Element.defs = function(node) {
|
|---|
| 1469 | this.base = svg.Element.ElementBase;
|
|---|
| 1470 | this.base(node);
|
|---|
| 1471 |
|
|---|
| 1472 | this.render = function(ctx) {
|
|---|
| 1473 | // NOOP
|
|---|
| 1474 | }
|
|---|
| 1475 | }
|
|---|
| 1476 | svg.Element.defs.prototype = new svg.Element.ElementBase;
|
|---|
| 1477 |
|
|---|
| 1478 | // base for gradients
|
|---|
| 1479 | svg.Element.GradientBase = function(node) {
|
|---|
| 1480 | this.base = svg.Element.ElementBase;
|
|---|
| 1481 | this.base(node);
|
|---|
| 1482 |
|
|---|
| 1483 | this.gradientUnits = this.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
|
|---|
| 1484 |
|
|---|
| 1485 | this.stops = [];
|
|---|
| 1486 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 1487 | var child = this.children[i];
|
|---|
| 1488 | this.stops.push(child);
|
|---|
| 1489 | }
|
|---|
| 1490 |
|
|---|
| 1491 | this.getGradient = function() {
|
|---|
| 1492 | // OVERRIDE ME!
|
|---|
| 1493 | }
|
|---|
| 1494 |
|
|---|
| 1495 | this.createGradient = function(ctx, element) {
|
|---|
| 1496 | var stopsContainer = this;
|
|---|
| 1497 | if (this.attribute('xlink:href').hasValue()) {
|
|---|
| 1498 | stopsContainer = this.attribute('xlink:href').Definition.getDefinition();
|
|---|
| 1499 | }
|
|---|
| 1500 |
|
|---|
| 1501 | var g = this.getGradient(ctx, element);
|
|---|
| 1502 | for (var i=0; i<stopsContainer.stops.length; i++) {
|
|---|
| 1503 | g.addColorStop(stopsContainer.stops[i].offset, stopsContainer.stops[i].color);
|
|---|
| 1504 | }
|
|---|
| 1505 |
|
|---|
| 1506 | if (this.attribute('gradientTransform').hasValue()) {
|
|---|
| 1507 | // render as transformed pattern on temporary canvas
|
|---|
| 1508 | var rootView = svg.ViewPort.viewPorts[0];
|
|---|
| 1509 |
|
|---|
| 1510 | var rect = new svg.Element.rect();
|
|---|
| 1511 | rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
|
|---|
| 1512 | rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
|
|---|
| 1513 | rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
|
|---|
| 1514 | rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
|
|---|
| 1515 |
|
|---|
| 1516 | var group = new svg.Element.g();
|
|---|
| 1517 | group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
|
|---|
| 1518 | group.children = [ rect ];
|
|---|
| 1519 |
|
|---|
| 1520 | var tempSvg = new svg.Element.svg();
|
|---|
| 1521 | tempSvg.attributes['x'] = new svg.Property('x', 0);
|
|---|
| 1522 | tempSvg.attributes['y'] = new svg.Property('y', 0);
|
|---|
| 1523 | tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
|
|---|
| 1524 | tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
|
|---|
| 1525 | tempSvg.children = [ group ];
|
|---|
| 1526 |
|
|---|
| 1527 | var c = document.createElement('canvas');
|
|---|
| 1528 | c.width = rootView.width;
|
|---|
| 1529 | c.height = rootView.height;
|
|---|
| 1530 | var tempCtx = c.getContext('2d');
|
|---|
| 1531 | tempCtx.fillStyle = g;
|
|---|
| 1532 | tempSvg.render(tempCtx);
|
|---|
| 1533 | return tempCtx.createPattern(c, 'no-repeat');
|
|---|
| 1534 | }
|
|---|
| 1535 |
|
|---|
| 1536 | return g;
|
|---|
| 1537 | }
|
|---|
| 1538 | }
|
|---|
| 1539 | svg.Element.GradientBase.prototype = new svg.Element.ElementBase;
|
|---|
| 1540 |
|
|---|
| 1541 | // linear gradient element
|
|---|
| 1542 | svg.Element.linearGradient = function(node) {
|
|---|
| 1543 | this.base = svg.Element.GradientBase;
|
|---|
| 1544 | this.base(node);
|
|---|
| 1545 |
|
|---|
| 1546 | this.getGradient = function(ctx, element) {
|
|---|
| 1547 | var bb = element.getBoundingBox();
|
|---|
| 1548 |
|
|---|
| 1549 | var x1 = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1550 | ? bb.x() + bb.width() * this.attribute('x1').numValue()
|
|---|
| 1551 | : this.attribute('x1').Length.toPixels('x'));
|
|---|
| 1552 | var y1 = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1553 | ? bb.y() + bb.height() * this.attribute('y1').numValue()
|
|---|
| 1554 | : this.attribute('y1').Length.toPixels('y'));
|
|---|
| 1555 | var x2 = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1556 | ? bb.x() + bb.width() * this.attribute('x2').numValue()
|
|---|
| 1557 | : this.attribute('x2').Length.toPixels('x'));
|
|---|
| 1558 | var y2 = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1559 | ? bb.y() + bb.height() * this.attribute('y2').numValue()
|
|---|
| 1560 | : this.attribute('y2').Length.toPixels('y'));
|
|---|
| 1561 |
|
|---|
| 1562 | return ctx.createLinearGradient(x1, y1, x2, y2);
|
|---|
| 1563 | }
|
|---|
| 1564 | }
|
|---|
| 1565 | svg.Element.linearGradient.prototype = new svg.Element.GradientBase;
|
|---|
| 1566 |
|
|---|
| 1567 | // radial gradient element
|
|---|
| 1568 | svg.Element.radialGradient = function(node) {
|
|---|
| 1569 | this.base = svg.Element.GradientBase;
|
|---|
| 1570 | this.base(node);
|
|---|
| 1571 |
|
|---|
| 1572 | this.getGradient = function(ctx, element) {
|
|---|
| 1573 | var bb = element.getBoundingBox();
|
|---|
| 1574 |
|
|---|
| 1575 | var cx = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1576 | ? bb.x() + bb.width() * this.attribute('cx').numValue()
|
|---|
| 1577 | : this.attribute('cx').Length.toPixels('x'));
|
|---|
| 1578 | var cy = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1579 | ? bb.y() + bb.height() * this.attribute('cy').numValue()
|
|---|
| 1580 | : this.attribute('cy').Length.toPixels('y'));
|
|---|
| 1581 |
|
|---|
| 1582 | var fx = cx;
|
|---|
| 1583 | var fy = cy;
|
|---|
| 1584 | if (this.attribute('fx').hasValue()) {
|
|---|
| 1585 | fx = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1586 | ? bb.x() + bb.width() * this.attribute('fx').numValue()
|
|---|
| 1587 | : this.attribute('fx').Length.toPixels('x'));
|
|---|
| 1588 | }
|
|---|
| 1589 | if (this.attribute('fy').hasValue()) {
|
|---|
| 1590 | fy = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1591 | ? bb.y() + bb.height() * this.attribute('fy').numValue()
|
|---|
| 1592 | : this.attribute('fy').Length.toPixels('y'));
|
|---|
| 1593 | }
|
|---|
| 1594 |
|
|---|
| 1595 | var r = (this.gradientUnits == 'objectBoundingBox'
|
|---|
| 1596 | ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue()
|
|---|
| 1597 | : this.attribute('r').Length.toPixels());
|
|---|
| 1598 |
|
|---|
| 1599 | return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
|
|---|
| 1600 | }
|
|---|
| 1601 | }
|
|---|
| 1602 | svg.Element.radialGradient.prototype = new svg.Element.GradientBase;
|
|---|
| 1603 |
|
|---|
| 1604 | // gradient stop element
|
|---|
| 1605 | svg.Element.stop = function(node) {
|
|---|
| 1606 | this.base = svg.Element.ElementBase;
|
|---|
| 1607 | this.base(node);
|
|---|
| 1608 |
|
|---|
| 1609 | this.offset = this.attribute('offset').numValue();
|
|---|
| 1610 |
|
|---|
| 1611 | var stopColor = this.style('stop-color');
|
|---|
| 1612 | if (this.style('stop-opacity').hasValue()) stopColor = stopColor.Color.addOpacity(this.style('stop-opacity').value);
|
|---|
| 1613 | this.color = stopColor.value;
|
|---|
| 1614 | }
|
|---|
| 1615 | svg.Element.stop.prototype = new svg.Element.ElementBase;
|
|---|
| 1616 |
|
|---|
| 1617 | // animation base element
|
|---|
| 1618 | svg.Element.AnimateBase = function(node) {
|
|---|
| 1619 | this.base = svg.Element.ElementBase;
|
|---|
| 1620 | this.base(node);
|
|---|
| 1621 |
|
|---|
| 1622 | svg.Animations.push(this);
|
|---|
| 1623 |
|
|---|
| 1624 | this.duration = 0.0;
|
|---|
| 1625 | this.begin = this.attribute('begin').Time.toMilliseconds();
|
|---|
| 1626 | this.maxDuration = this.begin + this.attribute('dur').Time.toMilliseconds();
|
|---|
| 1627 |
|
|---|
| 1628 | this.getProperty = function() {
|
|---|
| 1629 | var attributeType = this.attribute('attributeType').value;
|
|---|
| 1630 | var attributeName = this.attribute('attributeName').value;
|
|---|
| 1631 |
|
|---|
| 1632 | if (attributeType == 'CSS') {
|
|---|
| 1633 | return this.parent.style(attributeName, true);
|
|---|
| 1634 | }
|
|---|
| 1635 | return this.parent.attribute(attributeName, true);
|
|---|
| 1636 | };
|
|---|
| 1637 |
|
|---|
| 1638 | this.initialValue = null;
|
|---|
| 1639 | this.removed = false;
|
|---|
| 1640 |
|
|---|
| 1641 | this.calcValue = function() {
|
|---|
| 1642 | // OVERRIDE ME!
|
|---|
| 1643 | return '';
|
|---|
| 1644 | }
|
|---|
| 1645 |
|
|---|
| 1646 | this.update = function(delta) {
|
|---|
| 1647 | // set initial value
|
|---|
| 1648 | if (this.initialValue == null) {
|
|---|
| 1649 | this.initialValue = this.getProperty().value;
|
|---|
| 1650 | }
|
|---|
| 1651 |
|
|---|
| 1652 | // if we're past the end time
|
|---|
| 1653 | if (this.duration > this.maxDuration) {
|
|---|
| 1654 | // loop for indefinitely repeating animations
|
|---|
| 1655 | if (this.attribute('repeatCount').value == 'indefinite') {
|
|---|
| 1656 | this.duration = 0.0
|
|---|
| 1657 | }
|
|---|
| 1658 | else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
|
|---|
| 1659 | this.removed = true;
|
|---|
| 1660 | this.getProperty().value = this.initialValue;
|
|---|
| 1661 | return true;
|
|---|
| 1662 | }
|
|---|
| 1663 | else {
|
|---|
| 1664 | return false; // no updates made
|
|---|
| 1665 | }
|
|---|
| 1666 | }
|
|---|
| 1667 | this.duration = this.duration + delta;
|
|---|
| 1668 |
|
|---|
| 1669 | // if we're past the begin time
|
|---|
| 1670 | var updated = false;
|
|---|
| 1671 | if (this.begin < this.duration) {
|
|---|
| 1672 | var newValue = this.calcValue(); // tween
|
|---|
| 1673 |
|
|---|
| 1674 | if (this.attribute('type').hasValue()) {
|
|---|
| 1675 | // for transform, etc.
|
|---|
| 1676 | var type = this.attribute('type').value;
|
|---|
| 1677 | newValue = type + '(' + newValue + ')';
|
|---|
| 1678 | }
|
|---|
| 1679 |
|
|---|
| 1680 | this.getProperty().value = newValue;
|
|---|
| 1681 | updated = true;
|
|---|
| 1682 | }
|
|---|
| 1683 |
|
|---|
| 1684 | return updated;
|
|---|
| 1685 | }
|
|---|
| 1686 |
|
|---|
| 1687 | // fraction of duration we've covered
|
|---|
| 1688 | this.progress = function() {
|
|---|
| 1689 | return ((this.duration - this.begin) / (this.maxDuration - this.begin));
|
|---|
| 1690 | }
|
|---|
| 1691 | }
|
|---|
| 1692 | svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
|
|---|
| 1693 |
|
|---|
| 1694 | // animate element
|
|---|
| 1695 | svg.Element.animate = function(node) {
|
|---|
| 1696 | this.base = svg.Element.AnimateBase;
|
|---|
| 1697 | this.base(node);
|
|---|
| 1698 |
|
|---|
| 1699 | this.calcValue = function() {
|
|---|
| 1700 | var from = this.attribute('from').numValue();
|
|---|
| 1701 | var to = this.attribute('to').numValue();
|
|---|
| 1702 |
|
|---|
| 1703 | // tween value linearly
|
|---|
| 1704 | return from + (to - from) * this.progress();
|
|---|
| 1705 | };
|
|---|
| 1706 | }
|
|---|
| 1707 | svg.Element.animate.prototype = new svg.Element.AnimateBase;
|
|---|
| 1708 |
|
|---|
| 1709 | // animate color element
|
|---|
| 1710 | svg.Element.animateColor = function(node) {
|
|---|
| 1711 | this.base = svg.Element.AnimateBase;
|
|---|
| 1712 | this.base(node);
|
|---|
| 1713 |
|
|---|
| 1714 | this.calcValue = function() {
|
|---|
| 1715 | var from = new RGBColor(this.attribute('from').value);
|
|---|
| 1716 | var to = new RGBColor(this.attribute('to').value);
|
|---|
| 1717 |
|
|---|
| 1718 | if (from.ok && to.ok) {
|
|---|
| 1719 | // tween color linearly
|
|---|
| 1720 | var r = from.r + (to.r - from.r) * this.progress();
|
|---|
| 1721 | var g = from.g + (to.g - from.g) * this.progress();
|
|---|
| 1722 | var b = from.b + (to.b - from.b) * this.progress();
|
|---|
| 1723 | return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
|
|---|
| 1724 | }
|
|---|
| 1725 | return this.attribute('from').value;
|
|---|
| 1726 | };
|
|---|
| 1727 | }
|
|---|
| 1728 | svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
|
|---|
| 1729 |
|
|---|
| 1730 | // animate transform element
|
|---|
| 1731 | svg.Element.animateTransform = function(node) {
|
|---|
| 1732 | this.base = svg.Element.animate;
|
|---|
| 1733 | this.base(node);
|
|---|
| 1734 | }
|
|---|
| 1735 | svg.Element.animateTransform.prototype = new svg.Element.animate;
|
|---|
| 1736 |
|
|---|
| 1737 | // font element
|
|---|
| 1738 | svg.Element.font = function(node) {
|
|---|
| 1739 | this.base = svg.Element.ElementBase;
|
|---|
| 1740 | this.base(node);
|
|---|
| 1741 |
|
|---|
| 1742 | this.horizAdvX = this.attribute('horiz-adv-x').numValue();
|
|---|
| 1743 |
|
|---|
| 1744 | this.isRTL = false;
|
|---|
| 1745 | this.isArabic = false;
|
|---|
| 1746 | this.fontFace = null;
|
|---|
| 1747 | this.missingGlyph = null;
|
|---|
| 1748 | this.glyphs = [];
|
|---|
| 1749 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 1750 | var child = this.children[i];
|
|---|
| 1751 | if (child.type == 'font-face') {
|
|---|
| 1752 | this.fontFace = child;
|
|---|
| 1753 | if (child.style('font-family').hasValue()) {
|
|---|
| 1754 | svg.Definitions[child.style('font-family').value] = this;
|
|---|
| 1755 | }
|
|---|
| 1756 | }
|
|---|
| 1757 | else if (child.type == 'missing-glyph') this.missingGlyph = child;
|
|---|
| 1758 | else if (child.type == 'glyph') {
|
|---|
| 1759 | if (child.arabicForm != '') {
|
|---|
| 1760 | this.isRTL = true;
|
|---|
| 1761 | this.isArabic = true;
|
|---|
| 1762 | if (typeof(this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = [];
|
|---|
| 1763 | this.glyphs[child.unicode][child.arabicForm] = child;
|
|---|
| 1764 | }
|
|---|
| 1765 | else {
|
|---|
| 1766 | this.glyphs[child.unicode] = child;
|
|---|
| 1767 | }
|
|---|
| 1768 | }
|
|---|
| 1769 | }
|
|---|
| 1770 | }
|
|---|
| 1771 | svg.Element.font.prototype = new svg.Element.ElementBase;
|
|---|
| 1772 |
|
|---|
| 1773 | // font-face element
|
|---|
| 1774 | svg.Element.fontface = function(node) {
|
|---|
| 1775 | this.base = svg.Element.ElementBase;
|
|---|
| 1776 | this.base(node);
|
|---|
| 1777 |
|
|---|
| 1778 | this.ascent = this.attribute('ascent').value;
|
|---|
| 1779 | this.descent = this.attribute('descent').value;
|
|---|
| 1780 | this.unitsPerEm = this.attribute('units-per-em').numValue();
|
|---|
| 1781 | }
|
|---|
| 1782 | svg.Element.fontface.prototype = new svg.Element.ElementBase;
|
|---|
| 1783 |
|
|---|
| 1784 | // missing-glyph element
|
|---|
| 1785 | svg.Element.missingglyph = function(node) {
|
|---|
| 1786 | this.base = svg.Element.path;
|
|---|
| 1787 | this.base(node);
|
|---|
| 1788 |
|
|---|
| 1789 | this.horizAdvX = 0;
|
|---|
| 1790 | }
|
|---|
| 1791 | svg.Element.missingglyph.prototype = new svg.Element.path;
|
|---|
| 1792 |
|
|---|
| 1793 | // glyph element
|
|---|
| 1794 | svg.Element.glyph = function(node) {
|
|---|
| 1795 | this.base = svg.Element.path;
|
|---|
| 1796 | this.base(node);
|
|---|
| 1797 |
|
|---|
| 1798 | this.horizAdvX = this.attribute('horiz-adv-x').numValue();
|
|---|
| 1799 | this.unicode = this.attribute('unicode').value;
|
|---|
| 1800 | this.arabicForm = this.attribute('arabic-form').value;
|
|---|
| 1801 | }
|
|---|
| 1802 | svg.Element.glyph.prototype = new svg.Element.path;
|
|---|
| 1803 |
|
|---|
| 1804 | // text element
|
|---|
| 1805 | svg.Element.text = function(node) {
|
|---|
| 1806 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 1807 | this.base(node);
|
|---|
| 1808 |
|
|---|
| 1809 | if (node != null) {
|
|---|
| 1810 | // add children
|
|---|
| 1811 | this.children = [];
|
|---|
| 1812 | for (var i=0; i<node.childNodes.length; i++) {
|
|---|
| 1813 | var childNode = node.childNodes[i];
|
|---|
| 1814 | if (childNode.nodeType == 1) { // capture tspan and tref nodes
|
|---|
| 1815 | this.addChild(childNode, true);
|
|---|
| 1816 | }
|
|---|
| 1817 | else if (childNode.nodeType == 3) { // capture text
|
|---|
| 1818 | this.addChild(new svg.Element.tspan(childNode), false);
|
|---|
| 1819 | }
|
|---|
| 1820 | }
|
|---|
| 1821 | }
|
|---|
| 1822 |
|
|---|
| 1823 | this.baseSetContext = this.setContext;
|
|---|
| 1824 | this.setContext = function(ctx) {
|
|---|
| 1825 | this.baseSetContext(ctx);
|
|---|
| 1826 | if (this.style('dominant-baseline').hasValue()) ctx.textBaseline = this.style('dominant-baseline').value;
|
|---|
| 1827 | if (this.style('alignment-baseline').hasValue()) ctx.textBaseline = this.style('alignment-baseline').value;
|
|---|
| 1828 | }
|
|---|
| 1829 |
|
|---|
| 1830 | this.renderChildren = function(ctx) {
|
|---|
| 1831 | var textAnchor = this.style('text-anchor').valueOrDefault('start');
|
|---|
| 1832 | var x = this.attribute('x').Length.toPixels('x');
|
|---|
| 1833 | var y = this.attribute('y').Length.toPixels('y');
|
|---|
| 1834 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 1835 | var child = this.children[i];
|
|---|
| 1836 |
|
|---|
| 1837 | if (child.attribute('x').hasValue()) {
|
|---|
| 1838 | child.x = child.attribute('x').Length.toPixels('x');
|
|---|
| 1839 | }
|
|---|
| 1840 | else {
|
|---|
| 1841 | if (child.attribute('dx').hasValue()) x += child.attribute('dx').Length.toPixels('x');
|
|---|
| 1842 | child.x = x;
|
|---|
| 1843 | }
|
|---|
| 1844 |
|
|---|
| 1845 | var childLength = child.measureText(ctx);
|
|---|
| 1846 | if (textAnchor != 'start' && (i==0 || child.attribute('x').hasValue())) { // new group?
|
|---|
| 1847 | // loop through rest of children
|
|---|
| 1848 | var groupLength = childLength;
|
|---|
| 1849 | for (var j=i+1; j<this.children.length; j++) {
|
|---|
| 1850 | var childInGroup = this.children[j];
|
|---|
| 1851 | if (childInGroup.attribute('x').hasValue()) break; // new group
|
|---|
| 1852 | groupLength += childInGroup.measureText(ctx);
|
|---|
| 1853 | }
|
|---|
| 1854 | child.x -= (textAnchor == 'end' ? groupLength : groupLength / 2.0);
|
|---|
| 1855 | }
|
|---|
| 1856 | x = child.x + childLength;
|
|---|
| 1857 |
|
|---|
| 1858 | if (child.attribute('y').hasValue()) {
|
|---|
| 1859 | child.y = child.attribute('y').Length.toPixels('y');
|
|---|
| 1860 | }
|
|---|
| 1861 | else {
|
|---|
| 1862 | if (child.attribute('dy').hasValue()) y += child.attribute('dy').Length.toPixels('y');
|
|---|
| 1863 | child.y = y;
|
|---|
| 1864 | }
|
|---|
| 1865 | y = child.y;
|
|---|
| 1866 |
|
|---|
| 1867 | child.render(ctx);
|
|---|
| 1868 | }
|
|---|
| 1869 | }
|
|---|
| 1870 | }
|
|---|
| 1871 | svg.Element.text.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 1872 |
|
|---|
| 1873 | // text base
|
|---|
| 1874 | svg.Element.TextElementBase = function(node) {
|
|---|
| 1875 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 1876 | this.base(node);
|
|---|
| 1877 |
|
|---|
| 1878 | this.getGlyph = function(font, text, i) {
|
|---|
| 1879 | var c = text[i];
|
|---|
| 1880 | var glyph = null;
|
|---|
| 1881 | if (font.isArabic) {
|
|---|
| 1882 | var arabicForm = 'isolated';
|
|---|
| 1883 | if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
|
|---|
| 1884 | if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
|
|---|
| 1885 | if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
|
|---|
| 1886 | if (typeof(font.glyphs[c]) != 'undefined') {
|
|---|
| 1887 | glyph = font.glyphs[c][arabicForm];
|
|---|
| 1888 | if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
|
|---|
| 1889 | }
|
|---|
| 1890 | }
|
|---|
| 1891 | else {
|
|---|
| 1892 | glyph = font.glyphs[c];
|
|---|
| 1893 | }
|
|---|
| 1894 | if (glyph == null) glyph = font.missingGlyph;
|
|---|
| 1895 | return glyph;
|
|---|
| 1896 | }
|
|---|
| 1897 |
|
|---|
| 1898 | this.renderChildren = function(ctx) {
|
|---|
| 1899 | var customFont = this.parent.style('font-family').Definition.getDefinition();
|
|---|
| 1900 | if (customFont != null) {
|
|---|
| 1901 | var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
|---|
| 1902 | var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
|
|---|
| 1903 | var text = this.getText();
|
|---|
| 1904 | if (customFont.isRTL) text = text.split("").reverse().join("");
|
|---|
| 1905 |
|
|---|
| 1906 | var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
|
|---|
| 1907 | for (var i=0; i<text.length; i++) {
|
|---|
| 1908 | var glyph = this.getGlyph(customFont, text, i);
|
|---|
| 1909 | var scale = fontSize / customFont.fontFace.unitsPerEm;
|
|---|
| 1910 | ctx.translate(this.x, this.y);
|
|---|
| 1911 | ctx.scale(scale, -scale);
|
|---|
| 1912 | var lw = ctx.lineWidth;
|
|---|
| 1913 | ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
|
|---|
| 1914 | if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
|
|---|
| 1915 | glyph.render(ctx);
|
|---|
| 1916 | if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
|
|---|
| 1917 | ctx.lineWidth = lw;
|
|---|
| 1918 | ctx.scale(1/scale, -1/scale);
|
|---|
| 1919 | ctx.translate(-this.x, -this.y);
|
|---|
| 1920 |
|
|---|
| 1921 | this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
|
|---|
| 1922 | if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
|
|---|
| 1923 | this.x += dx[i];
|
|---|
| 1924 | }
|
|---|
| 1925 | }
|
|---|
| 1926 | return;
|
|---|
| 1927 | }
|
|---|
| 1928 |
|
|---|
| 1929 | if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
|
|---|
| 1930 | if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
|
|---|
| 1931 | }
|
|---|
| 1932 |
|
|---|
| 1933 | this.getText = function() {
|
|---|
| 1934 | // OVERRIDE ME
|
|---|
| 1935 | }
|
|---|
| 1936 |
|
|---|
| 1937 | this.measureText = function(ctx) {
|
|---|
| 1938 | var customFont = this.parent.style('font-family').Definition.getDefinition();
|
|---|
| 1939 | if (customFont != null) {
|
|---|
| 1940 | var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
|---|
| 1941 | var measure = 0;
|
|---|
| 1942 | var text = this.getText();
|
|---|
| 1943 | if (customFont.isRTL) text = text.split("").reverse().join("");
|
|---|
| 1944 | var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
|
|---|
| 1945 | for (var i=0; i<text.length; i++) {
|
|---|
| 1946 | var glyph = this.getGlyph(customFont, text, i);
|
|---|
| 1947 | measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
|
|---|
| 1948 | if (typeof(dx[i]) != 'undefined' && !isNaN(dx[i])) {
|
|---|
| 1949 | measure += dx[i];
|
|---|
| 1950 | }
|
|---|
| 1951 | }
|
|---|
| 1952 | return measure;
|
|---|
| 1953 | }
|
|---|
| 1954 |
|
|---|
| 1955 | var textToMeasure = svg.compressSpaces(this.getText());
|
|---|
| 1956 | if (!ctx.measureText) return textToMeasure.length * 10;
|
|---|
| 1957 |
|
|---|
| 1958 | ctx.save();
|
|---|
| 1959 | this.setContext(ctx);
|
|---|
| 1960 | var width = ctx.measureText(textToMeasure).width;
|
|---|
| 1961 | ctx.restore();
|
|---|
| 1962 | return width;
|
|---|
| 1963 | }
|
|---|
| 1964 | }
|
|---|
| 1965 | svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 1966 |
|
|---|
| 1967 | // tspan
|
|---|
| 1968 | svg.Element.tspan = function(node) {
|
|---|
| 1969 | this.base = svg.Element.TextElementBase;
|
|---|
| 1970 | this.base(node);
|
|---|
| 1971 |
|
|---|
| 1972 | this.text = node.nodeType == 3 ? node.nodeValue : // text
|
|---|
| 1973 | node.childNodes.length > 0 ? node.childNodes[0].nodeValue : // element
|
|---|
| 1974 | node.text;
|
|---|
| 1975 | this.getText = function() {
|
|---|
| 1976 | return this.text;
|
|---|
| 1977 | }
|
|---|
| 1978 | }
|
|---|
| 1979 | svg.Element.tspan.prototype = new svg.Element.TextElementBase;
|
|---|
| 1980 |
|
|---|
| 1981 | // tref
|
|---|
| 1982 | svg.Element.tref = function(node) {
|
|---|
| 1983 | this.base = svg.Element.TextElementBase;
|
|---|
| 1984 | this.base(node);
|
|---|
| 1985 |
|
|---|
| 1986 | this.getText = function() {
|
|---|
| 1987 | var element = this.attribute('xlink:href').Definition.getDefinition();
|
|---|
| 1988 | if (element != null) return element.children[0].getText();
|
|---|
| 1989 | }
|
|---|
| 1990 | }
|
|---|
| 1991 | svg.Element.tref.prototype = new svg.Element.TextElementBase;
|
|---|
| 1992 |
|
|---|
| 1993 | // a element
|
|---|
| 1994 | svg.Element.a = function(node) {
|
|---|
| 1995 | this.base = svg.Element.TextElementBase;
|
|---|
| 1996 | this.base(node);
|
|---|
| 1997 |
|
|---|
| 1998 | this.hasText = true;
|
|---|
| 1999 | for (var i=0; i<node.childNodes.length; i++) {
|
|---|
| 2000 | if (node.childNodes[i].nodeType != 3) this.hasText = false;
|
|---|
| 2001 | }
|
|---|
| 2002 |
|
|---|
| 2003 | // this might contain text
|
|---|
| 2004 | this.text = this.hasText ? node.childNodes[0].nodeValue : '';
|
|---|
| 2005 | this.getText = function() {
|
|---|
| 2006 | return this.text;
|
|---|
| 2007 | }
|
|---|
| 2008 |
|
|---|
| 2009 | this.baseRenderChildren = this.renderChildren;
|
|---|
| 2010 | this.renderChildren = function(ctx) {
|
|---|
| 2011 | if (this.hasText) {
|
|---|
| 2012 | // render as text element
|
|---|
| 2013 | this.baseRenderChildren(ctx);
|
|---|
| 2014 | var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
|
|---|
| 2015 | svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.Length.toPixels('y'), this.x + this.measureText(ctx), this.y));
|
|---|
| 2016 | }
|
|---|
| 2017 | else {
|
|---|
| 2018 | // render as temporary group
|
|---|
| 2019 | var g = new svg.Element.g();
|
|---|
| 2020 | g.children = this.children;
|
|---|
| 2021 | g.parent = this;
|
|---|
| 2022 | g.render(ctx);
|
|---|
| 2023 | }
|
|---|
| 2024 | }
|
|---|
| 2025 |
|
|---|
| 2026 | this.onclick = function() {
|
|---|
| 2027 | window.open(this.attribute('xlink:href').value);
|
|---|
| 2028 | }
|
|---|
| 2029 |
|
|---|
| 2030 | this.onmousemove = function() {
|
|---|
| 2031 | svg.ctx.canvas.style.cursor = 'pointer';
|
|---|
| 2032 | }
|
|---|
| 2033 | }
|
|---|
| 2034 | svg.Element.a.prototype = new svg.Element.TextElementBase;
|
|---|
| 2035 |
|
|---|
| 2036 | // image element
|
|---|
| 2037 | svg.Element.image = function(node) {
|
|---|
| 2038 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 2039 | this.base(node);
|
|---|
| 2040 |
|
|---|
| 2041 | svg.Images.push(this);
|
|---|
| 2042 | this.img = document.createElement('img');
|
|---|
| 2043 | this.loaded = false;
|
|---|
| 2044 | var that = this;
|
|---|
| 2045 | this.img.onload = function() { that.loaded = true; }
|
|---|
| 2046 | this.img.src = this.attribute('xlink:href').value;
|
|---|
| 2047 |
|
|---|
| 2048 | this.renderChildren = function(ctx) {
|
|---|
| 2049 | var x = this.attribute('x').Length.toPixels('x');
|
|---|
| 2050 | var y = this.attribute('y').Length.toPixels('y');
|
|---|
| 2051 |
|
|---|
| 2052 | var width = this.attribute('width').Length.toPixels('x');
|
|---|
| 2053 | var height = this.attribute('height').Length.toPixels('y');
|
|---|
| 2054 | if (width == 0 || height == 0) return;
|
|---|
| 2055 |
|
|---|
| 2056 | ctx.save();
|
|---|
| 2057 | ctx.translate(x, y);
|
|---|
| 2058 | svg.AspectRatio(ctx,
|
|---|
| 2059 | this.attribute('preserveAspectRatio').value,
|
|---|
| 2060 | width,
|
|---|
| 2061 | this.img.width,
|
|---|
| 2062 | height,
|
|---|
| 2063 | this.img.height,
|
|---|
| 2064 | 0,
|
|---|
| 2065 | 0);
|
|---|
| 2066 | ctx.drawImage(this.img, 0, 0);
|
|---|
| 2067 | ctx.restore();
|
|---|
| 2068 | }
|
|---|
| 2069 | }
|
|---|
| 2070 | svg.Element.image.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 2071 |
|
|---|
| 2072 | // group element
|
|---|
| 2073 | svg.Element.g = function(node) {
|
|---|
| 2074 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 2075 | this.base(node);
|
|---|
| 2076 |
|
|---|
| 2077 | this.getBoundingBox = function() {
|
|---|
| 2078 | var bb = new svg.BoundingBox();
|
|---|
| 2079 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 2080 | bb.addBoundingBox(this.children[i].getBoundingBox());
|
|---|
| 2081 | }
|
|---|
| 2082 | return bb;
|
|---|
| 2083 | };
|
|---|
| 2084 | }
|
|---|
| 2085 | svg.Element.g.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 2086 |
|
|---|
| 2087 | // symbol element
|
|---|
| 2088 | svg.Element.symbol = function(node) {
|
|---|
| 2089 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 2090 | this.base(node);
|
|---|
| 2091 |
|
|---|
| 2092 | this.baseSetContext = this.setContext;
|
|---|
| 2093 | this.setContext = function(ctx) {
|
|---|
| 2094 | this.baseSetContext(ctx);
|
|---|
| 2095 |
|
|---|
| 2096 | // viewbox
|
|---|
| 2097 | if (this.attribute('viewBox').hasValue()) {
|
|---|
| 2098 | var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
|
|---|
| 2099 | var minX = viewBox[0];
|
|---|
| 2100 | var minY = viewBox[1];
|
|---|
| 2101 | width = viewBox[2];
|
|---|
| 2102 | height = viewBox[3];
|
|---|
| 2103 |
|
|---|
| 2104 | svg.AspectRatio(ctx,
|
|---|
| 2105 | this.attribute('preserveAspectRatio').value,
|
|---|
| 2106 | this.attribute('width').Length.toPixels('x'),
|
|---|
| 2107 | width,
|
|---|
| 2108 | this.attribute('height').Length.toPixels('y'),
|
|---|
| 2109 | height,
|
|---|
| 2110 | minX,
|
|---|
| 2111 | minY);
|
|---|
| 2112 |
|
|---|
| 2113 | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
|---|
| 2114 | }
|
|---|
| 2115 | }
|
|---|
| 2116 | }
|
|---|
| 2117 | svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 2118 |
|
|---|
| 2119 | // style element
|
|---|
| 2120 | svg.Element.style = function(node) {
|
|---|
| 2121 | this.base = svg.Element.ElementBase;
|
|---|
| 2122 | this.base(node);
|
|---|
| 2123 |
|
|---|
| 2124 | // text, or spaces then CDATA
|
|---|
| 2125 | var css = node.childNodes[0].nodeValue + (node.childNodes.length > 1 ? node.childNodes[1].nodeValue : '');
|
|---|
| 2126 | css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
|
|---|
| 2127 | css = svg.compressSpaces(css); // replace whitespace
|
|---|
| 2128 | var cssDefs = css.split('}');
|
|---|
| 2129 | for (var i=0; i<cssDefs.length; i++) {
|
|---|
| 2130 | if (svg.trim(cssDefs[i]) != '') {
|
|---|
| 2131 | var cssDef = cssDefs[i].split('{');
|
|---|
| 2132 | var cssClasses = cssDef[0].split(',');
|
|---|
| 2133 | var cssProps = cssDef[1].split(';');
|
|---|
| 2134 | for (var j=0; j<cssClasses.length; j++) {
|
|---|
| 2135 | var cssClass = svg.trim(cssClasses[j]);
|
|---|
| 2136 | if (cssClass != '') {
|
|---|
| 2137 | var props = {};
|
|---|
| 2138 | for (var k=0; k<cssProps.length; k++) {
|
|---|
| 2139 | var prop = cssProps[k].indexOf(':');
|
|---|
| 2140 | var name = cssProps[k].substr(0, prop);
|
|---|
| 2141 | var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
|
|---|
| 2142 | if (name != null && value != null) {
|
|---|
| 2143 | props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
|
|---|
| 2144 | }
|
|---|
| 2145 | }
|
|---|
| 2146 | svg.Styles[cssClass] = props;
|
|---|
| 2147 | if (cssClass == '@font-face') {
|
|---|
| 2148 | var fontFamily = props['font-family'].value.replace(/"/g,'');
|
|---|
| 2149 | var srcs = props['src'].value.split(',');
|
|---|
| 2150 | for (var s=0; s<srcs.length; s++) {
|
|---|
| 2151 | if (srcs[s].indexOf('format("svg")') > 0) {
|
|---|
| 2152 | var urlStart = srcs[s].indexOf('url');
|
|---|
| 2153 | var urlEnd = srcs[s].indexOf(')', urlStart);
|
|---|
| 2154 | var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
|
|---|
| 2155 | var doc = svg.parseXml(svg.ajax(url));
|
|---|
| 2156 | var fonts = doc.getElementsByTagName('font');
|
|---|
| 2157 | for (var f=0; f<fonts.length; f++) {
|
|---|
| 2158 | var font = svg.CreateElement(fonts[f]);
|
|---|
| 2159 | svg.Definitions[fontFamily] = font;
|
|---|
| 2160 | }
|
|---|
| 2161 | }
|
|---|
| 2162 | }
|
|---|
| 2163 | }
|
|---|
| 2164 | }
|
|---|
| 2165 | }
|
|---|
| 2166 | }
|
|---|
| 2167 | }
|
|---|
| 2168 | }
|
|---|
| 2169 | svg.Element.style.prototype = new svg.Element.ElementBase;
|
|---|
| 2170 |
|
|---|
| 2171 | // use element
|
|---|
| 2172 | svg.Element.use = function(node) {
|
|---|
| 2173 | this.base = svg.Element.RenderedElementBase;
|
|---|
| 2174 | this.base(node);
|
|---|
| 2175 |
|
|---|
| 2176 | this.baseSetContext = this.setContext;
|
|---|
| 2177 | this.setContext = function(ctx) {
|
|---|
| 2178 | this.baseSetContext(ctx);
|
|---|
| 2179 | if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').Length.toPixels('x'), 0);
|
|---|
| 2180 | if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').Length.toPixels('y'));
|
|---|
| 2181 | }
|
|---|
| 2182 |
|
|---|
| 2183 | this.getDefinition = function() {
|
|---|
| 2184 | var element = this.attribute('xlink:href').Definition.getDefinition();
|
|---|
| 2185 | if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value;
|
|---|
| 2186 | if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value;
|
|---|
| 2187 | return element;
|
|---|
| 2188 | }
|
|---|
| 2189 |
|
|---|
| 2190 | this.path = function(ctx) {
|
|---|
| 2191 | var element = this.getDefinition();
|
|---|
| 2192 | if (element != null) element.path(ctx);
|
|---|
| 2193 | }
|
|---|
| 2194 |
|
|---|
| 2195 | this.renderChildren = function(ctx) {
|
|---|
| 2196 | var element = this.getDefinition();
|
|---|
| 2197 | if (element != null) element.render(ctx);
|
|---|
| 2198 | }
|
|---|
| 2199 | }
|
|---|
| 2200 | svg.Element.use.prototype = new svg.Element.RenderedElementBase;
|
|---|
| 2201 |
|
|---|
| 2202 | // mask element
|
|---|
| 2203 | svg.Element.mask = function(node) {
|
|---|
| 2204 | this.base = svg.Element.ElementBase;
|
|---|
| 2205 | this.base(node);
|
|---|
| 2206 |
|
|---|
| 2207 | this.apply = function(ctx, element) {
|
|---|
| 2208 | // render as temp svg
|
|---|
| 2209 | var x = this.attribute('x').Length.toPixels('x');
|
|---|
| 2210 | var y = this.attribute('y').Length.toPixels('y');
|
|---|
| 2211 | var width = this.attribute('width').Length.toPixels('x');
|
|---|
| 2212 | var height = this.attribute('height').Length.toPixels('y');
|
|---|
| 2213 |
|
|---|
| 2214 | // temporarily remove mask to avoid recursion
|
|---|
| 2215 | var mask = element.attribute('mask').value;
|
|---|
| 2216 | element.attribute('mask').value = '';
|
|---|
| 2217 |
|
|---|
| 2218 | var cMask = document.createElement('canvas');
|
|---|
| 2219 | cMask.width = x + width;
|
|---|
| 2220 | cMask.height = y + height;
|
|---|
| 2221 | var maskCtx = cMask.getContext('2d');
|
|---|
| 2222 | this.renderChildren(maskCtx);
|
|---|
| 2223 |
|
|---|
| 2224 | var c = document.createElement('canvas');
|
|---|
| 2225 | c.width = x + width;
|
|---|
| 2226 | c.height = y + height;
|
|---|
| 2227 | var tempCtx = c.getContext('2d');
|
|---|
| 2228 | element.render(tempCtx);
|
|---|
| 2229 | tempCtx.globalCompositeOperation = 'destination-in';
|
|---|
| 2230 | tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
|
|---|
| 2231 | tempCtx.fillRect(0, 0, x + width, y + height);
|
|---|
| 2232 |
|
|---|
| 2233 | ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
|
|---|
| 2234 | ctx.fillRect(0, 0, x + width, y + height);
|
|---|
| 2235 |
|
|---|
| 2236 | // reassign mask
|
|---|
| 2237 | element.attribute('mask').value = mask;
|
|---|
| 2238 | }
|
|---|
| 2239 |
|
|---|
| 2240 | this.render = function(ctx) {
|
|---|
| 2241 | // NO RENDER
|
|---|
| 2242 | }
|
|---|
| 2243 | }
|
|---|
| 2244 | svg.Element.mask.prototype = new svg.Element.ElementBase;
|
|---|
| 2245 |
|
|---|
| 2246 | // clip element
|
|---|
| 2247 | svg.Element.clipPath = function(node) {
|
|---|
| 2248 | this.base = svg.Element.ElementBase;
|
|---|
| 2249 | this.base(node);
|
|---|
| 2250 |
|
|---|
| 2251 | this.apply = function(ctx) {
|
|---|
| 2252 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 2253 | if (this.children[i].path) {
|
|---|
| 2254 | this.children[i].path(ctx);
|
|---|
| 2255 | ctx.clip();
|
|---|
| 2256 | }
|
|---|
| 2257 | }
|
|---|
| 2258 | }
|
|---|
| 2259 |
|
|---|
| 2260 | this.render = function(ctx) {
|
|---|
| 2261 | // NO RENDER
|
|---|
| 2262 | }
|
|---|
| 2263 | }
|
|---|
| 2264 | svg.Element.clipPath.prototype = new svg.Element.ElementBase;
|
|---|
| 2265 |
|
|---|
| 2266 | // filters
|
|---|
| 2267 | svg.Element.filter = function(node) {
|
|---|
| 2268 | this.base = svg.Element.ElementBase;
|
|---|
| 2269 | this.base(node);
|
|---|
| 2270 |
|
|---|
| 2271 | this.apply = function(ctx, element) {
|
|---|
| 2272 | // render as temp svg
|
|---|
| 2273 | var bb = element.getBoundingBox();
|
|---|
| 2274 | var x = this.attribute('x').Length.toPixels('x');
|
|---|
| 2275 | var y = this.attribute('y').Length.toPixels('y');
|
|---|
| 2276 | if (x == 0 || y == 0) {
|
|---|
| 2277 | x = bb.x1;
|
|---|
| 2278 | y = bb.y1;
|
|---|
| 2279 | }
|
|---|
| 2280 | var width = this.attribute('width').Length.toPixels('x');
|
|---|
| 2281 | var height = this.attribute('height').Length.toPixels('y');
|
|---|
| 2282 | if (width == 0 || height == 0) {
|
|---|
| 2283 | width = bb.width();
|
|---|
| 2284 | height = bb.height();
|
|---|
| 2285 | }
|
|---|
| 2286 |
|
|---|
| 2287 | // temporarily remove filter to avoid recursion
|
|---|
| 2288 | var filter = element.style('filter').value;
|
|---|
| 2289 | element.style('filter').value = '';
|
|---|
| 2290 |
|
|---|
| 2291 | // max filter distance
|
|---|
| 2292 | var extraPercent = .20;
|
|---|
| 2293 | var px = extraPercent * width;
|
|---|
| 2294 | var py = extraPercent * height;
|
|---|
| 2295 |
|
|---|
| 2296 | var c = document.createElement('canvas');
|
|---|
| 2297 | c.width = width + 2*px;
|
|---|
| 2298 | c.height = height + 2*py;
|
|---|
| 2299 | var tempCtx = c.getContext('2d');
|
|---|
| 2300 | tempCtx.translate(-x + px, -y + py);
|
|---|
| 2301 | element.render(tempCtx);
|
|---|
| 2302 |
|
|---|
| 2303 | // apply filters
|
|---|
| 2304 | for (var i=0; i<this.children.length; i++) {
|
|---|
| 2305 | this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py);
|
|---|
| 2306 | }
|
|---|
| 2307 |
|
|---|
| 2308 | // render on me
|
|---|
| 2309 | ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py);
|
|---|
| 2310 |
|
|---|
| 2311 | // reassign filter
|
|---|
| 2312 | element.style('filter', true).value = filter;
|
|---|
| 2313 | }
|
|---|
| 2314 |
|
|---|
| 2315 | this.render = function(ctx) {
|
|---|
| 2316 | // NO RENDER
|
|---|
| 2317 | }
|
|---|
| 2318 | }
|
|---|
| 2319 | svg.Element.filter.prototype = new svg.Element.ElementBase;
|
|---|
| 2320 |
|
|---|
| 2321 | svg.Element.feGaussianBlur = function(node) {
|
|---|
| 2322 | this.base = svg.Element.ElementBase;
|
|---|
| 2323 | this.base(node);
|
|---|
| 2324 |
|
|---|
| 2325 | function make_fgauss(sigma) {
|
|---|
| 2326 | sigma = Math.max(sigma, 0.01);
|
|---|
| 2327 | var len = Math.ceil(sigma * 4.0) + 1;
|
|---|
| 2328 | mask = [];
|
|---|
| 2329 | for (var i = 0; i < len; i++) {
|
|---|
| 2330 | mask[i] = Math.exp(-0.5 * (i / sigma) * (i / sigma));
|
|---|
| 2331 | }
|
|---|
| 2332 | return mask;
|
|---|
| 2333 | }
|
|---|
| 2334 |
|
|---|
| 2335 | function normalize(mask) {
|
|---|
| 2336 | var sum = 0;
|
|---|
| 2337 | for (var i = 1; i < mask.length; i++) {
|
|---|
| 2338 | sum += Math.abs(mask[i]);
|
|---|
| 2339 | }
|
|---|
| 2340 | sum = 2 * sum + Math.abs(mask[0]);
|
|---|
| 2341 | for (var i = 0; i < mask.length; i++) {
|
|---|
| 2342 | mask[i] /= sum;
|
|---|
| 2343 | }
|
|---|
| 2344 | return mask;
|
|---|
| 2345 | }
|
|---|
| 2346 |
|
|---|
| 2347 | function convolve_even(src, dst, mask, width, height) {
|
|---|
| 2348 | for (var y = 0; y < height; y++) {
|
|---|
| 2349 | for (var x = 0; x < width; x++) {
|
|---|
| 2350 | var a = imGet(src, x, y, width, height, 3)/255;
|
|---|
| 2351 | for (var rgba = 0; rgba < 4; rgba++) {
|
|---|
| 2352 | var sum = mask[0] * (a==0?255:imGet(src, x, y, width, height, rgba)) * (a==0||rgba==3?1:a);
|
|---|
| 2353 | for (var i = 1; i < mask.length; i++) {
|
|---|
| 2354 | var a1 = imGet(src, Math.max(x-i,0), y, width, height, 3)/255;
|
|---|
| 2355 | var a2 = imGet(src, Math.min(x+i, width-1), y, width, height, 3)/255;
|
|---|
| 2356 | sum += mask[i] *
|
|---|
| 2357 | ((a1==0?255:imGet(src, Math.max(x-i,0), y, width, height, rgba)) * (a1==0||rgba==3?1:a1) +
|
|---|
| 2358 | (a2==0?255:imGet(src, Math.min(x+i, width-1), y, width, height, rgba)) * (a2==0||rgba==3?1:a2));
|
|---|
| 2359 | }
|
|---|
| 2360 | imSet(dst, y, x, height, width, rgba, sum);
|
|---|
| 2361 | }
|
|---|
| 2362 | }
|
|---|
| 2363 | }
|
|---|
| 2364 | }
|
|---|
| 2365 |
|
|---|
| 2366 | function imGet(img, x, y, width, height, rgba) {
|
|---|
| 2367 | return img[y*width*4 + x*4 + rgba];
|
|---|
| 2368 | }
|
|---|
| 2369 |
|
|---|
| 2370 | function imSet(img, x, y, width, height, rgba, val) {
|
|---|
| 2371 | img[y*width*4 + x*4 + rgba] = val;
|
|---|
| 2372 | }
|
|---|
| 2373 |
|
|---|
| 2374 | function blur(ctx, width, height, sigma)
|
|---|
| 2375 | {
|
|---|
| 2376 | var srcData = ctx.getImageData(0, 0, width, height);
|
|---|
| 2377 | var mask = make_fgauss(sigma);
|
|---|
| 2378 | mask = normalize(mask);
|
|---|
| 2379 | tmp = [];
|
|---|
| 2380 | convolve_even(srcData.data, tmp, mask, width, height);
|
|---|
| 2381 | convolve_even(tmp, srcData.data, mask, height, width);
|
|---|
| 2382 | ctx.clearRect(0, 0, width, height);
|
|---|
| 2383 | ctx.putImageData(srcData, 0, 0);
|
|---|
| 2384 | }
|
|---|
| 2385 |
|
|---|
| 2386 | this.apply = function(ctx, x, y, width, height) {
|
|---|
| 2387 | // assuming x==0 && y==0 for now
|
|---|
| 2388 | blur(ctx, width, height, this.attribute('stdDeviation').numValue());
|
|---|
| 2389 | }
|
|---|
| 2390 | }
|
|---|
| 2391 | svg.Element.filter.prototype = new svg.Element.feGaussianBlur;
|
|---|
| 2392 |
|
|---|
| 2393 | // title element, do nothing
|
|---|
| 2394 | svg.Element.title = function(node) {
|
|---|
| 2395 | }
|
|---|
| 2396 | svg.Element.title.prototype = new svg.Element.ElementBase;
|
|---|
| 2397 |
|
|---|
| 2398 | // desc element, do nothing
|
|---|
| 2399 | svg.Element.desc = function(node) {
|
|---|
| 2400 | }
|
|---|
| 2401 | svg.Element.desc.prototype = new svg.Element.ElementBase;
|
|---|
| 2402 |
|
|---|
| 2403 | svg.Element.MISSING = function(node) {
|
|---|
| 2404 | console.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
|
|---|
| 2405 | }
|
|---|
| 2406 | svg.Element.MISSING.prototype = new svg.Element.ElementBase;
|
|---|
| 2407 |
|
|---|
| 2408 | // element factory
|
|---|
| 2409 | svg.CreateElement = function(node) {
|
|---|
| 2410 | var className = node.nodeName.replace(/^[^:]+:/,''); // remove namespace
|
|---|
| 2411 | className = className.replace(/\-/g,''); // remove dashes
|
|---|
| 2412 | var e = null;
|
|---|
| 2413 | if (typeof(svg.Element[className]) != 'undefined') {
|
|---|
| 2414 | e = new svg.Element[className](node);
|
|---|
| 2415 | }
|
|---|
| 2416 | else {
|
|---|
| 2417 | e = new svg.Element.MISSING(node);
|
|---|
| 2418 | }
|
|---|
| 2419 |
|
|---|
| 2420 | e.type = node.nodeName;
|
|---|
| 2421 | return e;
|
|---|
| 2422 | }
|
|---|
| 2423 |
|
|---|
| 2424 | // load from url
|
|---|
| 2425 | svg.load = function(ctx, url) {
|
|---|
| 2426 | svg.loadXml(ctx, svg.ajax(url));
|
|---|
| 2427 | }
|
|---|
| 2428 |
|
|---|
| 2429 | // load from xml
|
|---|
| 2430 | svg.loadXml = function(ctx, xml) {
|
|---|
| 2431 | svg.loadXmlDoc(ctx, svg.parseXml(xml));
|
|---|
| 2432 | }
|
|---|
| 2433 |
|
|---|
| 2434 | svg.loadXmlDoc = function(ctx, dom) {
|
|---|
| 2435 | svg.init(ctx);
|
|---|
| 2436 |
|
|---|
| 2437 | var mapXY = function(p) {
|
|---|
| 2438 | var e = ctx.canvas;
|
|---|
| 2439 | while (e) {
|
|---|
| 2440 | p.x -= e.offsetLeft;
|
|---|
| 2441 | p.y -= e.offsetTop;
|
|---|
| 2442 | e = e.offsetParent;
|
|---|
| 2443 | }
|
|---|
| 2444 | if (window.scrollX) p.x += window.scrollX;
|
|---|
| 2445 | if (window.scrollY) p.y += window.scrollY;
|
|---|
| 2446 | return p;
|
|---|
| 2447 | }
|
|---|
| 2448 |
|
|---|
| 2449 | // bind mouse
|
|---|
| 2450 | if (svg.opts['ignoreMouse'] != true) {
|
|---|
| 2451 | ctx.canvas.onclick = function(e) {
|
|---|
| 2452 | var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
|---|
| 2453 | svg.Mouse.onclick(p.x, p.y);
|
|---|
| 2454 | };
|
|---|
| 2455 | ctx.canvas.onmousemove = function(e) {
|
|---|
| 2456 | var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
|---|
| 2457 | svg.Mouse.onmousemove(p.x, p.y);
|
|---|
| 2458 | };
|
|---|
| 2459 | }
|
|---|
| 2460 |
|
|---|
| 2461 | var e = svg.CreateElement(dom.documentElement);
|
|---|
| 2462 | e.root = true;
|
|---|
| 2463 |
|
|---|
| 2464 | // render loop
|
|---|
| 2465 | var isFirstRender = true;
|
|---|
| 2466 | var draw = function() {
|
|---|
| 2467 | svg.ViewPort.Clear();
|
|---|
| 2468 | if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
|
|---|
| 2469 |
|
|---|
| 2470 | if (svg.opts['ignoreDimensions'] != true) {
|
|---|
| 2471 | // set canvas size
|
|---|
| 2472 | if (e.style('width').hasValue()) {
|
|---|
| 2473 | ctx.canvas.width = e.style('width').Length.toPixels('x');
|
|---|
| 2474 | ctx.canvas.style.width = ctx.canvas.width + 'px';
|
|---|
| 2475 | }
|
|---|
| 2476 | if (e.style('height').hasValue()) {
|
|---|
| 2477 | ctx.canvas.height = e.style('height').Length.toPixels('y');
|
|---|
| 2478 | ctx.canvas.style.height = ctx.canvas.height + 'px';
|
|---|
| 2479 | }
|
|---|
| 2480 | }
|
|---|
| 2481 | var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
|
|---|
| 2482 | var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
|
|---|
| 2483 | svg.ViewPort.SetCurrent(cWidth, cHeight);
|
|---|
| 2484 |
|
|---|
| 2485 | if (svg.opts != null && svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
|
|---|
| 2486 | if (svg.opts != null && svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
|
|---|
| 2487 | if (svg.opts != null && svg.opts['scaleWidth'] != null && svg.opts['scaleHeight'] != null) {
|
|---|
| 2488 | var xRatio = 1, yRatio = 1;
|
|---|
| 2489 | if (e.attribute('width').hasValue()) xRatio = e.attribute('width').Length.toPixels('x') / svg.opts['scaleWidth'];
|
|---|
| 2490 | if (e.attribute('height').hasValue()) yRatio = e.attribute('height').Length.toPixels('y') / svg.opts['scaleHeight'];
|
|---|
| 2491 |
|
|---|
| 2492 | e.attribute('width', true).value = svg.opts['scaleWidth'];
|
|---|
| 2493 | e.attribute('height', true).value = svg.opts['scaleHeight'];
|
|---|
| 2494 | e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio);
|
|---|
| 2495 | e.attribute('preserveAspectRatio', true).value = 'none';
|
|---|
| 2496 | }
|
|---|
| 2497 |
|
|---|
| 2498 | // clear and render
|
|---|
| 2499 | if (svg.opts['ignoreClear'] != true) {
|
|---|
| 2500 | ctx.clearRect(0, 0, cWidth, cHeight);
|
|---|
| 2501 | }
|
|---|
| 2502 | e.render(ctx);
|
|---|
| 2503 | if (isFirstRender) {
|
|---|
| 2504 | isFirstRender = false;
|
|---|
| 2505 | if (svg.opts != null && typeof(svg.opts['renderCallback']) == 'function') svg.opts['renderCallback']();
|
|---|
| 2506 | }
|
|---|
| 2507 | }
|
|---|
| 2508 |
|
|---|
| 2509 | var waitingForImages = true;
|
|---|
| 2510 | if (svg.ImagesLoaded()) {
|
|---|
| 2511 | waitingForImages = false;
|
|---|
| 2512 | draw();
|
|---|
| 2513 | }
|
|---|
| 2514 | svg.intervalID = setInterval(function() {
|
|---|
| 2515 | var needUpdate = false;
|
|---|
| 2516 |
|
|---|
| 2517 | if (waitingForImages && svg.ImagesLoaded()) {
|
|---|
| 2518 | waitingForImages = false;
|
|---|
| 2519 | needUpdate = true;
|
|---|
| 2520 | }
|
|---|
| 2521 |
|
|---|
| 2522 | // need update from mouse events?
|
|---|
| 2523 | if (svg.opts['ignoreMouse'] != true) {
|
|---|
| 2524 | needUpdate = needUpdate | svg.Mouse.hasEvents();
|
|---|
| 2525 | }
|
|---|
| 2526 |
|
|---|
| 2527 | // need update from animations?
|
|---|
| 2528 | if (svg.opts['ignoreAnimation'] != true) {
|
|---|
| 2529 | for (var i=0; i<svg.Animations.length; i++) {
|
|---|
| 2530 | needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
|
|---|
| 2531 | }
|
|---|
| 2532 | }
|
|---|
| 2533 |
|
|---|
| 2534 | // need update from redraw?
|
|---|
| 2535 | if (svg.opts != null && typeof(svg.opts['forceRedraw']) == 'function') {
|
|---|
| 2536 | if (svg.opts['forceRedraw']() == true) needUpdate = true;
|
|---|
| 2537 | }
|
|---|
| 2538 |
|
|---|
| 2539 | // render if needed
|
|---|
| 2540 | if (needUpdate) {
|
|---|
| 2541 | draw();
|
|---|
| 2542 | svg.Mouse.runEvents(); // run and clear our events
|
|---|
| 2543 | }
|
|---|
| 2544 | }, 1000 / svg.FRAMERATE);
|
|---|
| 2545 | }
|
|---|
| 2546 |
|
|---|
| 2547 | svg.stop = function() {
|
|---|
| 2548 | if (svg.intervalID) {
|
|---|
| 2549 | clearInterval(svg.intervalID);
|
|---|
| 2550 | }
|
|---|
| 2551 | }
|
|---|
| 2552 |
|
|---|
| 2553 | svg.Mouse = new (function() {
|
|---|
| 2554 | this.events = [];
|
|---|
| 2555 | this.hasEvents = function() { return this.events.length != 0; }
|
|---|
| 2556 |
|
|---|
| 2557 | this.onclick = function(x, y) {
|
|---|
| 2558 | this.events.push({ type: 'onclick', x: x, y: y,
|
|---|
| 2559 | run: function(e) { if (e.onclick) e.onclick(); }
|
|---|
| 2560 | });
|
|---|
| 2561 | }
|
|---|
| 2562 |
|
|---|
| 2563 | this.onmousemove = function(x, y) {
|
|---|
| 2564 | this.events.push({ type: 'onmousemove', x: x, y: y,
|
|---|
| 2565 | run: function(e) { if (e.onmousemove) e.onmousemove(); }
|
|---|
| 2566 | });
|
|---|
| 2567 | }
|
|---|
| 2568 |
|
|---|
| 2569 | this.eventElements = [];
|
|---|
| 2570 |
|
|---|
| 2571 | this.checkPath = function(element, ctx) {
|
|---|
| 2572 | for (var i=0; i<this.events.length; i++) {
|
|---|
| 2573 | var e = this.events[i];
|
|---|
| 2574 | if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
|
|---|
| 2575 | }
|
|---|
| 2576 | }
|
|---|
| 2577 |
|
|---|
| 2578 | this.checkBoundingBox = function(element, bb) {
|
|---|
| 2579 | for (var i=0; i<this.events.length; i++) {
|
|---|
| 2580 | var e = this.events[i];
|
|---|
| 2581 | if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
|
|---|
| 2582 | }
|
|---|
| 2583 | }
|
|---|
| 2584 |
|
|---|
| 2585 | this.runEvents = function() {
|
|---|
| 2586 | svg.ctx.canvas.style.cursor = '';
|
|---|
| 2587 |
|
|---|
| 2588 | for (var i=0; i<this.events.length; i++) {
|
|---|
| 2589 | var e = this.events[i];
|
|---|
| 2590 | var element = this.eventElements[i];
|
|---|
| 2591 | while (element) {
|
|---|
| 2592 | e.run(element);
|
|---|
| 2593 | element = element.parent;
|
|---|
| 2594 | }
|
|---|
| 2595 | }
|
|---|
| 2596 |
|
|---|
| 2597 | // done running, clear
|
|---|
| 2598 | this.events = [];
|
|---|
| 2599 | this.eventElements = [];
|
|---|
| 2600 | }
|
|---|
| 2601 | });
|
|---|
| 2602 |
|
|---|
| 2603 | return svg;
|
|---|
| 2604 | }
|
|---|
| 2605 | })();
|
|---|
| 2606 |
|
|---|
| 2607 | if (CanvasRenderingContext2D) {
|
|---|
| 2608 | CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
|
|---|
| 2609 | canvg(this.canvas, s, {
|
|---|
| 2610 | ignoreMouse: true,
|
|---|
| 2611 | ignoreAnimation: true,
|
|---|
| 2612 | ignoreDimensions: true,
|
|---|
| 2613 | ignoreClear: true,
|
|---|
| 2614 | offsetX: dx,
|
|---|
| 2615 | offsetY: dy,
|
|---|
| 2616 | scaleWidth: dw,
|
|---|
| 2617 | scaleHeight: dh
|
|---|
| 2618 | });
|
|---|
| 2619 | }
|
|---|
| 2620 | } |
|---|
