projects / raphael / blob
? search:


1615a47b39eae25cd0da62bd5e39e7bc427862d4
[raphael] / raphael.js
1 /*
2  * Raphael 1.0 RC1.1 - JavaScript Vector Library
3  *
4  * Copyright (c) 2008 - 2009 Dmitry Baranovskiy (http://raphaeljs.com)
5  * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
6  */
7
8
9 window.Raphael = (function () {
10     var separator = /[, ]+/,
11         doc = document,
12         win = window,
13         oldRaphael = {
14             was: "Raphael" in window,
15             is: window.Raphael
16         },
17         R = function () {
18             return create.apply(R, arguments);
19         },
20         paper = {},
21         availableAttrs = {cx: 0, cy: 0, fill: "#fff", "fill-opacity": 1, font: '10px "Arial"', "font-family": '"Arial"', "font-size": "10", "font-style": "normal", "font-weight": 400, gradient: 0, height: 0, href: "http://raphaeljs.com/", opacity: 1, path: "M0,0", r: 0, rotation: 0, rx: 0, ry: 0, scale: "1 1", src: "", stroke: "#000", "stroke-dasharray": "", "stroke-linecap": "butt", "stroke-linejoin": "butt", "stroke-miterlimit": 0, "stroke-opacity": 1, "stroke-width": 1, target: "_blank", "text-anchor": "middle", title: "Raphael", translation: "0 0", width: 0, x: 0, y: 0},
22         availableAnimAttrs = {cx: "number", cy: "number", fill: "colour", "fill-opacity": "number", "font-size": "number", height: "number", opacity: "number", path: "path", r: "number", rotation: "csv", rx: "number", ry: "number", scale: "csv", stroke: "colour", "stroke-opacity": "number", "stroke-width": "number", translation: "csv", width: "number", x: "number", y: "number"},
23         events = ["click", "dblclick", "mousedown", "mousemove", "mouseout", "mouseover", "mouseup"];
24     R.version = "1.0 RC1.1";
25     R.type = (window.SVGAngle || document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") ? "SVG" : "VML");
26     R.svg = !(R.vml = R.type == "VML");
27     R.idGenerator = 0;
28     R.fn = {};
29     R.isArray = function (arr) {
30         return Object.prototype.toString.call(arr) == "[object Array]";
31     };
32     R.setWindow = function (newwin) {
33         win = newwin;
34         doc = win.document;
35     };
36     // colour utilities
37     R.hsb2rgb = cacher(function (hue, saturation, brightness) {
38         if (typeof hue == "object" && "h" in hue && "s" in hue && "b" in hue) {
39             brightness = hue.b;
40             saturation = hue.s;
41             hue = hue.h;
42         }
43         var red,
44             green,
45             blue;
46         if (brightness == 0) {
47             return {r: 0, g: 0, b: 0, hex: "#000"};
48         }
49         if (hue > 1 || saturation > 1 || brightness > 1) {
50             hue /= 255;
51             saturation /= 255;
52             brightness /= 255;
53         }
54         var i = Math.floor(hue * 6),
55             f = (hue * 6) - i,
56             p = brightness * (1 - saturation),
57             q = brightness * (1 - (saturation * f)),
58             t = brightness * (1 - (saturation * (1 - f)));
59         red = [brightness, q, p, p, t, brightness, brightness][i];
60         green = [t, brightness, brightness, q, p, p, t][i];
61         blue = [p, p, t, brightness, brightness, q, p][i];
62         red *= 255;
63         green *= 255;
64         blue *= 255;
65         var rgb = {r: red, g: green, b: blue},
66             r = Math.round(red).toString(16),
67             g = Math.round(green).toString(16),
68             b = Math.round(blue).toString(16);
69         if (r.length == 1) {
70             r = "0" + r;
71         }
72         if (g.length == 1) {
73             g = "0" + g;
74         }
75         if (b.length == 1) {
76             b = "0" + b;
77         }
78         rgb.hex = "#" + r + g + b;
79         return rgb;
80     }, R);
81     R.rgb2hsb = cacher(function (red, green, blue) {
82         if (typeof red == "object" && "r" in red && "g" in red && "b" in red) {
83             blue = red.b;
84             green = red.g;
85             red = red.r;
86         }
87         if (typeof red == "string") {
88             var clr = R.getRGB(red);
89             red = clr.r;
90             green = clr.g;
91             blue = clr.b;
92         }
93         if (red > 1 || green > 1 || blue > 1) {
94             red /= 255;
95             green /= 255;
96             blue /= 255;
97         }
98         var max = Math.max(red, green, blue),
99             min = Math.min(red, green, blue),
100             hue,
101             saturation,
102             brightness = max;
103         if (min == max) {
104             return {h: 0, s: 0, b: max};
105         } else {
106             var delta = (max - min);
107             saturation = delta / max;
108             if (red == max) {
109                 hue = (green - blue) / delta;
110             } else if (green == max) {
111                 hue = 2 + ((blue - red) / delta);
112             } else {
113                 hue = 4 + ((red - green) / delta);
114             }
115             hue /= 6;
116             if (hue < 0) {
117                 hue += 1;
118             }
119             if (hue > 1) {
120                 hue -= 1;
121             }
122         }
123         return {h: hue, s: saturation, b: brightness};
124     }, R);
125     R._path2string = function () {
126         var res = "",
127             item;
128         for (var i = 0, ii = this.length; i < ii; i++) {
129             for (var j = 0, jj = this[i].length; j < jj; j++) {
130                 res += this[i][j];
131                 j && j != jj - 1 && (res += ",");
132             }
133             i != ii - 1 && (res += "\n");
134         }
135         return res.replace(/,(?=-)/g, "");
136     };
137     function cacher(f, scope, postprocessor) {
138         function newf() {
139             var arg = Array.prototype.splice.call(arguments, 0, arguments.length),
140                 args = arg.join("\u25ba");
141             newf.cache = newf.cache || {};
142             newf.count = newf.count || [];
143             if (args in newf.cache) {
144                 return postprocessor ? postprocessor(newf.cache[args]) : newf.cache[args];
145             }
146             if (newf.count.length > 1000) {
147                 delete newf.cache[newf.count.unshift()];
148             }
149             newf.count.push(args);
150             newf.cache[args] = f.apply(scope, arg);
151             return postprocessor ? postprocessor(newf.cache[args]) : newf.cache[args];
152         }
153         return newf;
154     }
155
156     R.getRGB = cacher(function (colour) {
157         var htmlcolors = {aliceblue: "#f0f8ff", amethyst: "#96c", antiquewhite: "#faebd7", aqua: "#0ff", aquamarine: "#7fffd4", azure: "#f0ffff", beige: "#f5f5dc", bisque: "#ffe4c4", black: "#000", blanchedalmond: "#ffebcd", blue: "#00f", blueviolet: "#8a2be2", brown: "#a52a2a", burlywood: "#deb887", cadetblue: "#5f9ea0", chartreuse: "#7fff00", chocolate: "#d2691e", coral: "#ff7f50", cornflowerblue: "#6495ed", cornsilk: "#fff8dc", crimson: "#dc143c", cyan: "#0ff", darkblue: "#00008b", darkcyan: "#008b8b", darkgoldenrod: "#b8860b", darkgray: "#a9a9a9", darkgreen: "#006400", darkkhaki: "#bdb76b", darkmagenta: "#8b008b", darkolivegreen: "#556b2f", darkorange: "#ff8c00", darkorchid: "#9932cc", darkred: "#8b0000", darksalmon: "#e9967a", darkseagreen: "#8fbc8f", darkslateblue: "#483d8b", darkslategray: "#2f4f4f", darkturquoise: "#00ced1", darkviolet: "#9400d3", deeppink: "#ff1493", deepskyblue: "#00bfff", dimgray: "#696969", dodgerblue: "#1e90ff", firebrick: "#b22222", floralwhite: "#fffaf0", forestgreen: "#228b22", fuchsia: "#f0f", gainsboro: "#dcdcdc", ghostwhite: "#f8f8ff", gold: "#ffd700", goldenrod: "#daa520", gray: "#808080", green: "#008000", greenyellow: "#adff2f", honeydew: "#f0fff0", hotpink: "#ff69b4", indianred: "#cd5c5c", indigo: "#4b0082", ivory: "#fffff0", khaki: "#f0e68c", lavender: "#e6e6fa", lavenderblush: "#fff0f5", lawngreen: "#7cfc00", lemonchiffon: "#fffacd", lightblue: "#add8e6", lightcoral: "#f08080", lightcyan: "#e0ffff", lightgoldenrodyellow: "#fafad2", lightgreen: "#90ee90", lightgrey: "#d3d3d3", lightpink: "#ffb6c1", lightsalmon: "#ffa07a", lightsalmon: "#ffa07a", lightseagreen: "#20b2aa", lightskyblue: "#87cefa", lightslategray: "#789", lightsteelblue: "#b0c4de", lightyellow: "#ffffe0", lime: "#0f0", limegreen: "#32cd32", linen: "#faf0e6", magenta: "#f0f", maroon: "#800000", mediumaquamarine: "#66cdaa", mediumblue: "#0000cd", mediumorchid: "#ba55d3", mediumpurple: "#9370db", mediumseagreen: "#3cb371", mediumslateblue: "#7b68ee", mediumslateblue: "#7b68ee", mediumspringgreen: "#00fa9a", mediumturquoise: "#48d1cc", mediumvioletred: "#c71585", midnightblue: "#191970", mintcream: "#f5fffa", mistyrose: "#ffe4e1", moccasin: "#ffe4b5", navajowhite: "#ffdead", navy: "#000080", oldlace: "#fdf5e6", olive: "#808000", olivedrab: "#6b8e23", orange: "#ffa500", orangered: "#ff4500", orchid: "#da70d6", palegoldenrod: "#eee8aa", palegreen: "#98fb98", paleturquoise: "#afeeee", palevioletred: "#db7093", papayawhip: "#ffefd5", peachpuff: "#ffdab9", peru: "#cd853f", pink: "#ffc0cb", plum: "#dda0dd", powderblue: "#b0e0e6", purple: "#800080", red: "#f00", rosybrown: "#bc8f8f", royalblue: "#4169e1", saddlebrown: "#8b4513", salmon: "#fa8072", sandybrown: "#f4a460", seagreen: "#2e8b57", seashell: "#fff5ee", sienna: "#a0522d", silver: "#c0c0c0", skyblue: "#87ceeb", slateblue: "#6a5acd", slategray: "#708090", snow: "#fffafa", springgreen: "#00ff7f", steelblue: "#4682b4", tan: "#d2b48c", teal: "#008080", thistle: "#d8bfd8", tomato: "#ff6347", turquoise: "#40e0d0", violet: "#ee82ee", wheat: "#f5deb3", white: "#fff", whitesmoke: "#f5f5f5", yellow: "#ff0", yellowgreen: "#9acd32"},
158         res;
159         if ((colour + "").toLowerCase() in htmlcolors) {
160             colour = htmlcolors[colour.toString().toLowerCase()];
161         }
162         if (!colour) {
163             return {r: 0, g: 0, b: 0, hex: "#000"};
164         }
165         if (colour == "none") {
166             return {r: -1, g: -1, b: -1, hex: "none"};
167         }
168         var red,
169             green,
170             blue,
171             rgb = (colour + "").match(/^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgb\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|rgb\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\)|hs[bl]\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hs[bl]\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i);
172         if (rgb) {
173             if (rgb[2]) {
174                 blue = parseInt(rgb[2].substring(5), 16);
175                 green = parseInt(rgb[2].substring(3, 5), 16);
176                 red = parseInt(rgb[2].substring(1, 3), 16);
177             }
178             if (rgb[3]) {
179                 blue = parseInt(rgb[3].substring(3) + rgb[3].substring(3), 16);
180                 green = parseInt(rgb[3].substring(2, 3) + rgb[3].substring(2, 3), 16);
181                 red = parseInt(rgb[3].substring(1, 2) + rgb[3].substring(1, 2), 16);
182             }
183             if (rgb[4]) {
184                 rgb = rgb[4].split(/\s*,\s*/);
185                 red = parseFloat(rgb[0]);
186                 green = parseFloat(rgb[1]);
187                 blue = parseFloat(rgb[2]);
188             }
189             if (rgb[5]) {
190                 rgb = rgb[5].split(/\s*,\s*/);
191                 red = parseFloat(rgb[0]) * 2.55;
192                 green = parseFloat(rgb[1]) * 2.55;
193                 blue = parseFloat(rgb[2]) * 2.55;
194             }
195             if (rgb[6]) {
196                 rgb = rgb[6].split(/\s*,\s*/);
197                 red = parseFloat(rgb[0]);
198                 green = parseFloat(rgb[1]);
199                 blue = parseFloat(rgb[2]);
200                 return R.hsb2rgb(red, green, blue);
201             }
202             if (rgb[7]) {
203                 rgb = rgb[7].split(/\s*,\s*/);
204                 red = parseFloat(rgb[0]) * 2.55;
205                 green = parseFloat(rgb[1]) * 2.55;
206                 blue = parseFloat(rgb[2]) * 2.55;
207                 return R.hsb2rgb(red, green, blue);
208             }
209             var rgb = {r: red, g: green, b: blue},
210                 r = Math.round(red).toString(16),
211                 g = Math.round(green).toString(16),
212                 b = Math.round(blue).toString(16);
213             (r.length == 1) && (r = "0" + r);
214             (g.length == 1) && (g = "0" + g);
215             (b.length == 1) && (b = "0" + b);
216             rgb.hex = "#" + r + g + b;
217             res = rgb;
218         } else {
219             res = {r: -1, g: -1, b: -1, hex: "none"};
220         }
221         return res;
222     }, R);
223     R.getColor = function (value) {
224         var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},
225             rgb = this.hsb2rgb(start.h, start.s, start.b);
226         start.h += .075;
227         if (start.h > 1) {
228             start.h = 0;
229             start.s -= .2;
230             if (start.s <= 0) {
231                 this.getColor.start = {h: 0, s: 1, b: start.b};
232             }
233         }
234         return rgb.hex;
235     };
236     R.getColor.reset = function () {
237         delete this.start;
238     };
239     // path utilities
240     R.parsePathString = cacher(function (pathString) {
241         if (!pathString) {
242             return null;
243         }
244         var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0},
245             data = [];
246         if (R.isArray(pathString) && R.isArray(pathString[0])) { // rough assumption
247             data = pathClone(pathString);
248         }
249         if (!data.length) {
250             (pathString + "").replace(/([achlmqstvz])[\s,]*((-?\d*\.?\d*(?:e[-+]?\d+)?\s*,?\s*)+)/ig, function (a, b, c) {
251                 var params = [],
252                     name = b.toLowerCase();
253                 c.replace(/(-?\d*\.?\d*(?:e[-+]?\d+)?)\s*,?\s*/ig, function (a, b) {
254                     b && params.push(+b);
255                 });
256                 while (params.length >= paramCounts[name]) {
257                     data.push([b].concat(params.splice(0, paramCounts[name])));
258                     if (!paramCounts[name]) {
259                         break;
260                     };
261                 }
262             });
263         }
264         data.toString = R._path2string;
265         return data;
266     });
267     var pathDimensions = cacher(function (path) {
268         if (!path) {
269             return {x: 0, y: 0, width: 0, height: 0};
270         }
271         path = path2curve(path);
272         var x = 0, 
273             y = 0,
274             X = [],
275             Y = [];
276         for (var i = 0, ii = path.length; i < ii; i++) {
277             if (path[i][0] == "M") {
278                 x = path[i][1];
279                 y = path[i][2];
280                 X.push(x);
281                 Y.push(y);
282             } else {
283                 var dim = curveDim(x, y, path[i][1], path[i][2], path[i][3], path[i][4], path[i][5], path[i][6]);
284                 X = X.concat(dim.min.x, dim.max.x);
285                 Y = Y.concat(dim.min.y, dim.max.y);
286             }
287         }
288         var xmin = Math.min.apply(0, X),
289             ymin = Math.min.apply(0, Y);
290         return {
291             x: xmin,
292             y: ymin,
293             width: Math.max.apply(0, X) - xmin,
294             height: Math.max.apply(0, Y) - ymin
295         };
296     }),
297         pathClone = function (pathArray) {
298             var res = [];
299             if (!R.isArray(pathArray) || !R.isArray(pathArray && pathArray[0])) { // rough assumption
300                 pathArray = R.parsePathString(pathArray);
301             }
302             for (var i = 0, ii = pathArray.length; i < ii; i++) {
303                 res[i] = [];
304                 for (var j = 0, jj = pathArray[i].length; j < jj; j++) {
305                     res[i][j] = pathArray[i][j];
306                 }
307             }
308             res.toString = R._path2string;
309             return res;
310         },
311         pathToRelative = cacher(function (pathArray) {
312             if (!R.isArray(pathArray) || !R.isArray(pathArray && pathArray[0])) { // rough assumption
313                 pathArray = R.parsePathString(pathArray);
314             }
315             var res = [],
316                 x = 0,
317                 y = 0,
318                 mx = 0,
319                 my = 0,
320                 start = 0;
321             if (pathArray[0][0] == "M") {
322                 x = pathArray[0][1];
323                 y = pathArray[0][2];
324                 mx = x;
325                 my = y;
326                 start++;
327                 res.push(["M", x, y]);
328             }
329             for (var i = start, ii = pathArray.length; i < ii; i++) {
330                 var r = res[i] = [],
331                     pa = pathArray[i];
332                 if (pa[0] != pa[0].toLowerCase()) {
333                     r[0] = pa[0].toLowerCase();
334                     switch (r[0]) {
335                         case "a":
336                             r[1] = pa[1];
337                             r[2] = pa[2];
338                             r[3] = pa[3];
339                             r[4] = pa[4];
340                             r[5] = pa[5];
341                             r[6] = +(pa[6] - x).toFixed(3);
342                             r[7] = +(pa[7] - y).toFixed(3);
343                             break;
344                         case "v":
345                             r[1] = +(pa[1] - y).toFixed(3);
346                             break;
347                         case "m":
348                             mx = pa[1];
349                             my = pa[2];
350                         default:
351                             for (var j = 1, jj = pa.length; j < jj; j++) {
352                                 r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
353                             }
354                     }
355                 } else {
356                     r = res[i] = [];
357                     if (pa[0] == "m") {
358                         mx = pa[1] + x;
359                         my = pa[2] + y;
360                     }
361                     for (var k = 0, kk = pa.length; k < kk; k++) {
362                         res[i][k] = pa[k];
363                     }
364                 }
365                 var len = res[i].length;
366                 switch (res[i][0]) {
367                     case "z":
368                         x = mx;
369                         y = my;
370                         break;
371                     case "h":
372                         x += +res[i][len - 1];
373                         break;
374                     case "v":
375                         y += +res[i][len - 1];
376                         break;
377                     default:
378                         x += +res[i][len - 2];
379                         y += +res[i][len - 1];
380                 }
381             }
382             res.toString = R._path2string;
383             return res;
384         }, 0, pathClone),
385         pathToAbsolute = cacher(function (pathArray) {
386             if (!R.isArray(pathArray) || !R.isArray(pathArray && pathArray[0])) { // rough assumption
387                 pathArray = R.parsePathString(pathArray);
388             }
389             var res = [],
390                 x = 0,
391                 y = 0,
392                 mx = 0,
393                 my = 0,
394                 start = 0;
395             if (pathArray[0][0] == "M") {
396                 x = +pathArray[0][1];
397                 y = +pathArray[0][2];
398                 mx = x;
399                 my = y;
400                 start++;
401                 res[0] = ["M", x, y];
402             }
403             for (var i = start, ii = pathArray.length; i < ii; i++) {
404                 var r = res[i] = [],
405                     pa = pathArray[i];
406                 if (pa[0] != (pa[0] + "").toUpperCase()) {
407                     r[0] = (pa[0] + "").toUpperCase();
408                     switch (r[0]) {
409                         case "A":
410                             r[1] = pa[1];
411                             r[2] = pa[2];
412                             r[3] = pa[3];
413                             r[4] = pa[4];
414                             r[5] = pa[5];
415                             r[6] = +(pa[6] + x);
416                             r[7] = +(pa[7] + y);
417                             break;
418                         case "V":
419                             r[1] = +pa[1] + y;
420                             break;
421                         case "H":
422                             r[1] = +pa[1] + x;
423                             break;
424                         case "M":
425                             mx = +pa[1] + x;
426                             my = +pa[2] + y;
427                         default:
428                             for (var j = 1, jj = pa.length; j < jj; j++) {
429                                 r[j] = +pa[j] + ((j % 2) ? x : y);
430                             }
431                     }
432                 } else {
433                     for (var k = 0, kk = pa.length; k < kk; k++) {
434                         res[i][k] = pa[k];
435                     }
436                 }
437                 switch (r[0]) {
438                     case "Z":
439                         x = mx;
440                         y = my;
441                         break;
442                     case "H":
443                         x = r[1];
444                         break;
445                     case "V":
446                         y = r[1];
447                         break;
448                     default:
449                         x = res[i][res[i].length - 2];
450                         y = res[i][res[i].length - 1];
451                 }
452             }
453             res.toString = R._path2string;
454             return res;
455         }, null, pathClone),
456         l2c = function (x1, y1, x2, y2) {
457             return [x1, y1, x2, y2, x2, y2];
458         },
459         q2c = function (x1, y1, ax, ay, x2, y2) {
460             return [
461                     2 / 3 * x1 + 1 / 3 * ax,
462                     2 / 3 * y1 + 1 / 3 * ay,
463                     2 / 3 * x1 + 1 / 3 * x2,
464                     2 / 3 * y1 + 1 / 3 * y2,
465                     x2,
466                     y2
467                 ];
468         },
469         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
470             // for more information of where this math came from visit:
471             // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
472             var _120 = Math.PI * 120 / 180,
473                 rad = Math.PI / 180 * (+angle || 0),
474                 res = [],
475                 xy,
476                 rotate = cacher(function (x, y, rad) {
477                     var X = x * Math.cos(rad) - y * Math.sin(rad),
478                         Y = x * Math.sin(rad) + y * Math.cos(rad);
479                     return {x: X, y: Y};
480                 });
481             if (!recursive) {
482                 xy = rotate(x1, y1, -rad);
483                 x1 = xy.x;
484                 y1 = xy.y;
485                 xy = rotate(x2, y2, -rad);
486                 x2 = xy.x;
487                 y2 = xy.y;
488                 var cos = Math.cos(Math.PI / 180 * angle),
489                     sin = Math.sin(Math.PI / 180 * angle),
490                     x = (x1 - x2) / 2,
491                     y = (y1 - y2) / 2;
492                 rx = Math.max(rx, Math.abs(x));
493                 ry = Math.max(ry, Math.abs(y));
494                 var rx2 = rx * rx,
495                     ry2 = ry * ry,
496                     k = (large_arc_flag == sweep_flag ? -1 : 1) *
497                         Math.sqrt(Math.abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
498                     cx = k * rx * y / ry + (x1 + x2) / 2,
499                     cy = k * -ry * x / rx + (y1 + y2) / 2,
500                     f1 = Math.asin((y1 - cy) / ry),
501                     f2 = Math.asin((y2 - cy) / ry);
502
503                 f1 = x1 < cx ? Math.PI - f1 : f1;
504                 f2 = x2 < cx ? Math.PI - f2 : f2;
505                 f1 < 0 && (f1 = Math.PI * 2 + f1);
506                 f2 < 0 && (f2 = Math.PI * 2 + f2);
507                 if (sweep_flag && f1 > f2) {
508                     f1 = f1 - Math.PI * 2;
509                 }
510                 if (!sweep_flag && f2 > f1) {
511                     f2 = f2 - Math.PI * 2;
512                 }
513             } else {
514                 f1 = recursive[0];
515                 f2 = recursive[1];
516                 cx = recursive[2];
517                 cy = recursive[3];
518             }
519             var df = f2 - f1;
520             if (Math.abs(df) > _120) {
521                 var f2old = f2,
522                     x2old = x2,
523                     y2old = y2;
524                 f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
525                 x2 = cx + rx * Math.cos(f2);
526                 y2 = cy + ry * Math.sin(f2);
527                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
528             }
529             var c1 = Math.cos(f1),
530                 s1 = Math.sin(f1),
531                 c2 = Math.cos(f2),
532                 s2 = Math.sin(f2),
533                 df = f2 - f1,
534                 t = Math.tan(df / 4),
535                 hx = 4 / 3 * rx * t,
536                 hy = 4 / 3 * ry * t,
537                 m1 = [x1, y1],
538                 m2 = [x1 + hx * s1, y1 - hy * c1],
539                 m3 = [x2 + hx * s2, y2 - hy * c2],
540                 m4 = [x2, y2];
541             m2[0] = 2 * m1[0] - m2[0];
542             m2[1] = 2 * m1[1] - m2[1];
543             if (recursive) {
544                 return [m2, m3, m4].concat(res);
545             } else {
546                 res = [m2, m3, m4].concat(res).join(",").split(",");
547                 var newres = [];
548                 for (var i = 0, ii = res.length; i < ii; i++) {
549                     newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
550                 }
551                 return newres;
552             }
553         },
554         findDotAtSegment = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
555             var x = Math.pow(1 - t, 3) * p1x + Math.pow(1 - t, 2) * 3 * t * c1x + (1 - t) * 3 * t * t * c2x + Math.pow(t, 3) * p2x,
556                 y = Math.pow(1 - t, 3) * p1y + Math.pow(1 - t, 2) * 3 * t * c1y + (1 - t) * 3 * t * t * c2y + Math.pow(t, 3) * p2y,
557                 mx = p1x + 2 * t * (c1x - p1x) + t * t * (c2x - 2 * c1x + p1x),
558                 my = p1y + 2 * t * (c1y - p1y) + t * t * (c2y - 2 * c1y + p1y),
559                 nx = c1x + 2 * t * (c2x - c1x) + t * t * (p2x - 2 * c2x + c1x),
560                 ny = c1y + 2 * t * (c2y - c1y) + t * t * (p2y - 2 * c2y + c1y),
561                 ax = (1 - t) * p1x + t * c1x,
562                 ay = (1 - t) * p1y + t * c1y,
563                 cx = (1 - t) * c2x + t * p2x,
564                 cy = (1 - t) * c2y + t * p2y;
565             return {x: x, y: y, m: {x: mx, y: my}, n: {x: nx, y: ny}, start: {x: ax, y: ay}, end: {x: cx, y: cy}};
566         }),
567         curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
568             var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
569                 b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
570                 c = p1x - c1x,
571                 t1 = (-b + Math.sqrt(b * b - 4 * a * c)) / 2 / a,
572                 t2 = (-b - Math.sqrt(b * b - 4 * a * c)) / 2 / a,
573                 y = [p1y, p2y],
574                 x = [p1x, p2x],
575                 dot1 = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1 > 0 && t1 < 1 ? t1 : 0),
576                 dot2 = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2 > 0 && t2 < 1 ? t2 : 0);
577             x = x.concat(dot1.x, dot2.x);
578             y = y.concat(dot1.y, dot2.y);
579             a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);
580             b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
581             c = p1y - c1y;
582             t1 = (-b + Math.sqrt(b * b - 4 * a * c)) / 2 / a;
583             t2 = (-b - Math.sqrt(b * b - 4 * a * c)) / 2 / a;
584             dot1 = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1 > 0 && t1 < 1 ? t1 : 0);
585             dot2 = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2 > 0 && t2 < 1 ? t2 : 0);
586             x = x.concat(dot1.x, dot2.x);
587             y = y.concat(dot1.y, dot2.y);
588             return {
589                 min: {x: Math.min.apply(Math, x), y: Math.min.apply(Math, y)},
590                 max: {x: Math.max.apply(Math, x), y: Math.max.apply(Math, y)}
591             };
592         }),
593         path2curve = cacher(function (path, path2) {
594             var p = pathToAbsolute(path),
595                 p2 = path2 && pathToAbsolute(path2),
596                 attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0},
597                 attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0},
598                 processPath = function (path, d) {
599                     if (!path) {
600                         return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
601                     }
602                     switch (path[0]) {
603                         case "M":
604                             d.X = path[1];
605                             d.Y = path[2];
606                             break;
607                         case "A":
608                             path = ["C"].concat(a2c(d.x, d.y, path[1], path[2], path[3], path[4], path[5], path[6], path[7]));
609                             break;
610                         case "S":
611                             var nx = d.x + (d.x - (d.bx || d.x)),
612                                 ny = d.y + (d.y - (d.by || d.y));
613                             path = ["C", nx, ny, path[1], path[2], path[3], path[4]];
614                             break;
615                         case "T":
616                             var nx = d.x + (d.x - (d.bx || d.x)),
617                                 ny = d.y + (d.y - (d.by || d.y));
618                             path = ["C"].concat(q2c(d.x, d.y, nx, ny, path[1], path[2]));
619                             break;
620                         case "Q":
621                             path = ["C"].concat(q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
622                             break;
623                         case "L":
624                             path = ["C"].concat(l2c(d.x, d.y, path[1], path[2]));
625                             break;
626                         case "H":
627                             path = ["C"].concat(l2c(d.x, d.y, path[1], d.y));
628                             break;
629                         case "V":
630                             path = ["C"].concat(l2c(d.x, d.y, d.x, path[1]));
631                             break;
632                         case "Z":
633                             path = ["C"].concat(l2c(d.x, d.y, d.X, d.Y));
634                             break;
635                     }
636                     return path;
637                 },
638                 fixArc = function (pp, i) {
639                     if (pp[i].length > 7) {
640                         pp[i].shift();
641                         var pi = pp[i];
642                         while (pi.length) {
643                             pp.splice(i++, 0, ["C"].concat(pi.splice(0, 6)));
644                         }
645                         pp.splice(i, 1);
646                         ii = Math.max(p.length, p2 && p2.length || 0);
647                     }
648                 },
649                 fixM = function (path1, path2, a1, a2, i) {
650                     if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
651                         path2.splice(i, 0, ["M", a2.x, a2.y]);
652                         a1.bx = 0;
653                         a1.by = 0;
654                         a1.x = path1[i][1];
655                         a1.y = path1[i][2];
656                         ii = Math.max(p.length, p2 && p2.length || 0);
657                     }
658                 };
659             for (var i = 0, ii = Math.max(p.length, p2 && p2.length || 0); i < ii; i++) {
660                 p[i] = processPath(p[i], attrs);
661                 fixArc(p, i);
662                 p2 && (p2[i] = processPath(p2[i], attrs2));
663                 p2 && fixArc(p2, i);
664                 fixM(p, p2, attrs, attrs2, i);
665                 fixM(p2, p, attrs2, attrs, i);
666                 var seg = p[i],
667                     seg2 = p2 && p2[i],
668                     seglen = seg.length,
669                     seg2len = p2 && seg2.length;
670                 attrs.bx = seg[seglen - 4] || 0;
671                 attrs.by = seg[seglen - 3] || 0;
672                 attrs.x = seg[seglen - 2];
673                 attrs.y = seg[seglen - 1];
674                 attrs2.bx = p2 && (seg2[seg2len - 4] || 0);
675                 attrs2.by = p2 && (seg2[seg2len - 3] || 0);
676                 attrs2.x = p2 && seg2[seg2len - 2];
677                 attrs2.y = p2 && seg2[seg2len - 1];
678             }
679             return p2 ? [p, p2] : p;
680         }, null, pathClone),
681         toGradient = cacher(function (gradient) {
682             if (typeof gradient == "string") {
683                 gradient = gradient.split(/\s*\-\s*/);
684                 var angle = gradient.shift();
685                 if (angle.toLowerCase() == "v") {
686                     angle = 90;
687                 } else if (angle.toLowerCase() == "h") {
688                     angle = 0;
689                 } else {
690                     angle = parseFloat(angle);
691                 }
692                 angle = -angle;
693                 var grobj = {angle: angle, type: "linear", dots: [], vector: [0, 0, Math.cos(angle * Math.PI / 180).toFixed(3), Math.sin(angle * Math.PI / 180).toFixed(3)]},
694                     max = 1 / (Math.max(Math.abs(grobj.vector[2]), Math.abs(grobj.vector[3])) || 1);
695                 grobj.vector[2] *= max;
696                 grobj.vector[3] *= max;
697                 if (grobj.vector[2] < 0) {
698                     grobj.vector[0] = -grobj.vector[2];
699                     grobj.vector[2] = 0;
700                 }
701                 if (grobj.vector[3] < 0) {
702                     grobj.vector[1] = -grobj.vector[3];
703                     grobj.vector[3] = 0;
704                 }
705                 grobj.vector[0] = grobj.vector[0];
706                 grobj.vector[1] = grobj.vector[1];
707                 grobj.vector[2] = grobj.vector[2];
708                 grobj.vector[3] = grobj.vector[3];
709                 for (var i = 0, ii = gradient.length; i < ii; i++) {
710                     var dot = {},
711                         par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
712                     dot.color = R.getRGB(par[1]).hex;
713                     par[2] && (dot.offset = par[2] + "%");
714                     grobj.dots.push(dot);
715                 }
716                 for (var i = 1, ii = grobj.dots.length - 1; i < ii; i++) {
717                     if (!grobj.dots[i].offset) {
718                         var start = parseFloat(grobj.dots[i - 1].offset || 0),
719                             end = false;
720                         for (var j = i + 1; j < ii; j++) {
721                             if (grobj.dots[j].offset) {
722                                 end = grobj.dots[j].offset;
723                                 break;
724                             }
725                         }
726                         if (!end) {
727                             end = 100;
728                             j = ii;
729                         }
730                         end = parseFloat(end);
731                         var d = (end - start) / (j - i + 1);
732                         for (; i < j; i++) {
733                             start += d;
734                             grobj.dots[i].offset = start + "%";
735                         }
736                     }
737                 }
738                 return grobj;
739             } else {
740                 return gradient;
741             }
742         }),
743         getContainer = function () {
744             var container,
745                 x,
746                 y,
747                 width,
748                 height;
749             if (typeof arguments[0] == "string" || typeof arguments[0] == "object") {
750                 if (typeof arguments[0] == "string") {
751                     container = doc.getElementById(arguments[0]);
752                 } else {
753                     container = arguments[0];
754                 }
755                 if (container.tagName) {
756                     if (arguments[1] == null) {
757                         return {
758                             container: container,
759                             width: container.style.pixelWidth || container.offsetWidth,
760                             height: container.style.pixelHeight || container.offsetHeight
761                         };
762                     } else {
763                         return {container: container, width: arguments[1], height: arguments[2]};
764                     }
765                 }
766             } else if (typeof arguments[0] == "number" && arguments.length > 3) {
767                 return {container: 1, x: arguments[0], y: arguments[1], width: arguments[2], height: arguments[3]};
768             }
769         },
770         plugins = function (con, add) {
771             var that = this;
772             for (var prop in add) if (add.hasOwnProperty(prop) && !(prop in con)) {
773                 switch (typeof add[prop]) {
774                     case "function":
775                         (function (f) {
776                             con[prop] = con === that ? f : function () { return f.apply(that, arguments); };
777                         })(add[prop]);
778                     break;
779                     case "object":
780                         con[prop] = con[prop] || {};
781                         plugins.call(this, con[prop], add[prop]);
782                     break;
783                     default:
784                         con[prop] = add[prop];
785                     break;
786                 }
787             }
788         };
789
790     // SVG
791     if (R.svg) {
792         var round = function (num) {
793             return +num + (Math.floor(num) == num) * .5;
794         };
795         var roundPath = function (path) {
796             for (var i = 0, ii = path.length; i < ii; i++) {
797                 if (path[i][0].toLowerCase() != "a") {
798                     for (var j = 1, jj = path[i].length; j < jj; j++) {
799                         path[i][j] = round(path[i][j]);
800                     }
801                 } else {
802                     path[i][6] = round(path[i][6]);
803                     path[i][7] = round(path[i][7]);
804                 }
805             }
806             return path;
807         };
808         R.toString = function () {
809             return  "Your browser supports SVG.\nYou are running Rapha\u00ebl " + this.version;
810         };
811         var thePath = function (pathString, SVG) {
812             var el = doc.createElementNS(SVG.svgns, "path");
813             SVG.canvas && SVG.canvas.appendChild(el);
814             var p = new Element(el, SVG);
815             p.type = "path";
816             setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});
817             return p;
818         };
819         var addGradientFill = function (o, gradient, SVG) {
820             gradient = toGradient(gradient);
821             var el = doc.createElementNS(SVG.svgns, (gradient.type || "linear") + "Gradient");
822             el.id = "r" + (R.idGenerator++).toString(36);
823             if (gradient.vector && gradient.vector.length) {
824                 el.setAttribute("x1", gradient.vector[0]);
825                 el.setAttribute("y1", gradient.vector[1]);
826                 el.setAttribute("x2", gradient.vector[2]);
827                 el.setAttribute("y2", gradient.vector[3]);
828             }
829             SVG.defs.appendChild(el);
830             var isopacity = true;
831             for (var i = 0, ii = gradient.dots.length; i < ii; i++) {
832                 var stop = doc.createElementNS(SVG.svgns, "stop");
833                 if (gradient.dots[i].offset) {
834                     isopacity = false;
835                 }
836                 stop.setAttribute("offset", gradient.dots[i].offset ? gradient.dots[i].offset : (i == 0) ? "0%" : "100%");
837                 stop.setAttribute("stop-color", R.getRGB(gradient.dots[i].color).hex || "#fff");
838                 // ignoring opacity for internal points, because VML doesn't support it
839                 el.appendChild(stop);
840             };
841             if (isopacity && typeof gradient.dots[ii - 1].opacity != "undefined") {
842                 stop.setAttribute("stop-opacity", gradient.dots[ii - 1].opacity);
843             }
844             o.setAttribute("fill", "url(#" + el.id + ")");
845             o.style.fill = "";
846             o.style.opacity = 1;
847             o.style.fillOpacity = 1;
848             o.setAttribute("opacity", 1);
849             o.setAttribute("fill-opacity", 1);
850         };
851         var updatePosition = function (o) {
852             var bbox = o.getBBox();
853             o.pattern.setAttribute("patternTransform", "translate(".concat(bbox.x, ",", bbox.y, ")"));
854         };
855         var setFillAndStroke = function (o, params) {
856             var dasharray = {
857                     "": [0],
858                     "none": [0],
859                     "-": [3, 1],
860                     ".": [1, 1],
861                     "-.": [3, 1, 1, 1],
862                     "-..": [3, 1, 1, 1, 1, 1],
863                     ". ": [1, 3],
864                     "- ": [4, 3],
865                     "--": [8, 3],
866                     "- .": [4, 3, 1, 3],
867                     "--.": [8, 3, 1, 3],
868                     "--..": [8, 3, 1, 3, 1, 3]
869                 },
870                 node = o.node,
871                 attrs = o.attrs,
872                 rot = o.attr("rotation"),
873                 addDashes = function (o, value) {
874                     value = dasharray[(value + "").toLowerCase()];
875                     if (value) {
876                         var width = o.attrs["stroke-width"] || "1",
877                             butt = {round: width, square: width, butt: 0}[o.attrs["stroke-linecap"] || params["stroke-linecap"]] || 0,
878                             dashes = [];
879                         for (var i = 0, ii = value.length; i < ii; i++) {
880                             dashes.push(value[i] * width + ((i % 2) ? 1 : -1) * butt);
881                         }
882                         value = dashes.join(",");
883                         node.setAttribute("stroke-dasharray", value);
884                     }
885                 };
886             parseInt(rot, 10) && o.rotate(0, true);
887             for (var att in params) {
888                 if (!(att in availableAttrs)) {
889                     continue;
890                 }
891                 var value = params[att];
892                 attrs[att] = value;
893                 switch (att) {
894                     // Hyperlink
895                     case "href":
896                     case "title":
897                     case "target":
898                         var pn = node.parentNode;
899                         if (pn.tagName.toLowerCase() != "a") {
900                             var hl = doc.createElementNS(o.paper.svgns, "a");
901                             pn.insertBefore(hl, node);
902                             hl.appendChild(node);
903                             pn = hl;
904                         }
905                         pn.setAttributeNS(o.paper.xlink, att, value);
906                       break;
907                     case "path":
908                         if (value && o.type == "path") {
909                             attrs.path = roundPath(pathToAbsolute(value));
910                             node.setAttribute("d", attrs.path);
911                         }
912                     case "width":
913                         node.setAttribute(att, value);
914                         if (attrs.fx) {
915                             att = "x";
916                             value = attrs.x;
917                         } else {
918                             break;
919                         }
920                     case "x":
921                         if (attrs.fx) {
922                             value = -attrs.x - (attrs.width || 0);
923                         }
924                     case "rx":
925                     case "cx":
926                         node.setAttribute(att, value);
927                         o.pattern && updatePosition(o);
928                         break;
929                     case "height":
930                         node.setAttribute(att, value);
931                         if (attrs.fy) {
932                             att = "y";
933                             value = attrs.y;
934                         } else {
935                             break;
936                         }
937                     case "y":
938                         if (attrs.fy) {
939                             value = -attrs.y - (attrs.height || 0);
940                         }
941                     case "ry":
942                     case "cy":
943                         node.setAttribute(att, value);
944                         o.pattern && updatePosition(o);
945                         break;
946                     case "r":
947                         if (o.type == "rect") {
948                             node.setAttribute("rx", value);
949                             node.setAttribute("ry", value);
950                         } else {
951                             node.setAttribute(att, value);
952                         }
953                         break;
954                     case "src":
955                         if (o.type == "image") {
956                             node.setAttributeNS(o.paper.xlink, "href", value);
957                         }
958                         break;
959                     case "stroke-width":
960                         node.style.strokeWidth = value;
961                         // Need following line for Firefox
962                         node.setAttribute(att, value);
963                         if (attrs["stroke-dasharray"]) {
964                             addDashes(o, attrs["stroke-dasharray"]);
965                         }
966                         break;
967                     case "stroke-dasharray":
968                         addDashes(o, value);
969                         break;
970                     case "rotation":
971                         rot = value;
972                         o.rotate(value, true);
973                         break;
974                     case "translation":
975                         var xy = (value + "").split(separator);
976                         o.translate((+xy[0] + 1 || 2) - 1, (+xy[1] + 1 || 2) - 1);
977                         break;
978                     case "scale":
979                         var xy = (value + "").split(separator);
980                         o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
981                         break;
982                     case "fill":
983                         var isURL = (value + "").match(/^url\(['"]?([^\)]+)['"]?\)$/i);
984                         if (isURL) {
985                             var el = doc.createElementNS(o.paper.svgns, "pattern"),
986                                 ig = doc.createElementNS(o.paper.svgns, "image");
987                             el.id = "r" + (R.idGenerator++).toString(36);
988                             el.setAttribute("x", 0);
989                             el.setAttribute("y", 0);
990                             el.setAttribute("patternUnits", "userSpaceOnUse");
991                             ig.setAttribute("x", 0);
992                             ig.setAttribute("y", 0);
993                             ig.setAttributeNS(o.paper.xlink, "href", isURL[1]);
994                             el.appendChild(ig);
995
996                             var img = doc.createElement("img");
997                             img.style.position = "absolute";
998                             img.style.top = "-9999em";
999                             img.style.left = "-9999em";
1000                             img.onload = function () {
1001                                 el.setAttribute("width", this.offsetWidth);
1002                                 el.setAttribute("height", this.offsetHeight);
1003                                 ig.setAttribute("width", this.offsetWidth);
1004                                 ig.setAttribute("height", this.offsetHeight);
1005                                 doc.body.removeChild(this);
1006                                 paper.safari();
1007                             };
1008                             doc.body.appendChild(img);
1009                             img.src = isURL[1];
1010                             o.paper.defs.appendChild(el);
1011                             node.style.fill = "url(#" + el.id + ")";
1012                             node.setAttribute("fill", "url(#" + el.id + ")");
1013                             o.pattern = el;
1014                             o.pattern && updatePosition(o);
1015                             break;
1016                         }
1017                         delete params.gradient;
1018                         delete attrs.gradient;
1019                         if (typeof attrs.opacity != "undefined" && typeof params.opacity == "undefined" ) {
1020                             node.style.opacity = attrs.opacity;
1021                             // Need following line for Firefox
1022                             node.setAttribute("opacity", attrs.opacity);
1023                         }
1024                         if (typeof attrs["fill-opacity"] != "undefined" && typeof params["fill-opacity"] == "undefined" ) {
1025                             node.style.fillOpacity = attrs["fill-opacity"];
1026                             // Need following line for Firefox
1027                             node.setAttribute("fill-opacity", attrs["fill-opacity"]);
1028                         }
1029                     case "stroke":
1030                         node.style[att] = R.getRGB(value).hex;
1031                         // Need following line for Firefox
1032                         node.setAttribute(att, R.getRGB(value).hex);
1033                         break;
1034                     case "gradient":
1035                         addGradientFill(node, value, o.paper);
1036                         break;
1037                     case "opacity":
1038                     case "fill-opacity":
1039                         if (attrs.gradient) {
1040                             var gradient = doc.getElementById(node.getAttribute("fill").replace(/^url\(#|\)$/g, ""));
1041                             if (gradient) {
1042                                 var stops = gradient.getElementsByTagName("stop");
1043                                 stops[stops.length - 1].setAttribute("stop-opacity", value);
1044                             }
1045                             break;
1046                         }
1047                     default:
1048                         att == "font-size" && (value = parseInt(value, 10) + "px");
1049                         var cssrule = att.replace(/(\-.)/g, function (w) {
1050                             return w.substring(1).toUpperCase();
1051                         });
1052                         node.style[cssrule] = value;
1053                         // Need following line for Firefox
1054                         node.setAttribute(att, value);
1055                         break;
1056                 }
1057             }
1058             
1059             tuneText(o, params);
1060             parseInt(rot, 10) && o.rotate(rot, true);
1061         };
1062         var leading = 1.2;
1063         var tuneText = function (el, params) {
1064             if (el.type != "text" || !("text" in params || "font" in params || "font-size" in params || "x" in params || "y" in params)) {
1065                 return;
1066             }
1067             var a = el.attrs,
1068                 node = el.node,
1069                 fontSize = node.firstChild ? parseInt(doc.defaultView.getComputedStyle(node.firstChild, "").getPropertyValue("font-size"), 10) : 10;
1070
1071             if ("text" in params) {
1072                 while (node.firstChild) {
1073                     node.removeChild(node.firstChild);
1074                 }
1075                 var texts = (params.text + "").split("\n");
1076                 for (var i = 0, ii = texts.length; i < ii; i++) {
1077                     var tspan = doc.createElementNS(el.paper.svgns, "tspan");
1078                     i && tspan.setAttribute("dy", fontSize * leading);
1079                     i && tspan.setAttribute("x", a.x);
1080                     tspan.appendChild(doc.createTextNode(texts[i]));
1081                     node.appendChild(tspan);
1082                 }
1083             } else {
1084                 var texts = node.getElementsByTagName("tspan");
1085                 for (var i = 0, ii = texts.length; i < ii; i++) {
1086                     i && texts[i].setAttribute("dy", fontSize * leading);
1087                     i && texts[i].setAttribute("x", a.x);
1088                 }
1089             }
1090             node.setAttribute("y", a.y);
1091             var bb = el.getBBox(),
1092                 dif = a.y - (bb.y + bb.height / 2);
1093             dif && node.setAttribute("y", a.y + dif);
1094         };
1095         var Element = function (node, svg) {
1096             var X = 0,
1097                 Y = 0;
1098             this[0] = node;
1099             this.node = node;
1100             this.paper = svg;
1101             this.attrs = this.attrs || {};
1102             this.transformations = []; // rotate, translate, scale
1103             this._ = {
1104                 tx: 0,
1105                 ty: 0,
1106                 rt: {deg: 0, cx: 0, cy: 0},
1107                 sx: 1,
1108                 sy: 1
1109             };
1110         };
1111         Element.prototype.rotate = function (deg, cx, cy) {
1112             if (deg == null) {
1113                 if (this._.rt.cx) {
1114                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy].join(" ");
1115                 }
1116                 return this._.rt.deg;
1117             }
1118             var bbox = this.getBBox();
1119             deg = (deg + "").split(separator);
1120             if (deg.length - 1) {
1121                 cx = parseFloat(deg[1]);
1122                 cy = parseFloat(deg[2]);
1123             }
1124             deg = parseFloat(deg[0]);
1125             if (cx != null) {
1126                 this._.rt.deg = deg;
1127             } else {
1128                 this._.rt.deg += deg;
1129             }
1130             (cy == null) && (cx = null);
1131             this._.rt.cx = cx;
1132             this._.rt.cy = cy;
1133             cx = cx == null ? bbox.x + bbox.width / 2 : cx;
1134             cy = cy == null ? bbox.y + bbox.height / 2 : cy;
1135             if (this._.rt.deg) {
1136                 this.transformations[0] = "rotate(".concat(this._.rt.deg, " ", cx, " ", cy, ")");
1137             } else {
1138                 this.transformations[0] = "";
1139             }
1140             this.node.setAttribute("transform", this.transformations.join(" "));
1141             return this;
1142         };
1143         Element.prototype.hide = function () {
1144             this.node.style.display = "none";
1145             return this;
1146         };
1147         Element.prototype.show = function () {
1148             this.node.style.display = "block";
1149             return this;
1150         };
1151         Element.prototype.remove = function () {
1152             this.node.parentNode.removeChild(this.node);
1153         };
1154         Element.prototype.getBBox = function () {
1155             if (this.type == "path") {
1156                 return pathDimensions(this.attrs.path);
1157             }
1158             if (this.node.style.display == "none") {
1159                 this.show();
1160                 var hide = true;
1161             }
1162             var bbox = {};
1163             try {
1164                 bbox = this.node.getBBox();
1165             } catch(e) {
1166                 // Firefox 3.0.x plays badly here
1167             } finally {
1168                 bbox = bbox || {};
1169             }
1170             if (this.type == "text") {
1171                 bbox = {x: bbox.x, y: Infinity, width: bbox.width, height: 0};
1172                 for (var i = 0, ii = this.node.getNumberOfChars(); i < ii; i++) {
1173                     var bb = this.node.getExtentOfChar(i);
1174                     (bb.y < bbox.y) && (bbox.y = bb.y);
1175                     (bb.y + bb.height - bbox.y > bbox.height) && (bbox.height = bb.y + bb.height - bbox.y);
1176                 }
1177             }
1178             hide && this.hide();
1179             return bbox;
1180         };
1181         Element.prototype.attr = function () {
1182             if (arguments.length == 1 && typeof arguments[0] == "string") {
1183                 if (arguments[0] == "translation") {
1184                     return this.translate();
1185                 }
1186                 if (arguments[0] == "rotation") {
1187                     return this.rotate();
1188                 }
1189                 if (arguments[0] == "scale") {
1190                     return this.scale();
1191                 }
1192                 return this.attrs[arguments[0]];
1193             }
1194             if (arguments.length == 1 && R.isArray(arguments[0])) {
1195                 var values = {};
1196                 for (var j in arguments[0]) {
1197                     values[arguments[0][j]] = this.attrs[arguments[0][j]];
1198                 }
1199                 return values;
1200             }
1201             if (arguments.length == 2) {
1202                 var params = {};
1203                 params[arguments[0]] = arguments[1];
1204                 setFillAndStroke(this, params);
1205             } else if (arguments.length == 1 && typeof arguments[0] == "object") {
1206                 setFillAndStroke(this, arguments[0]);
1207             }
1208             return this;
1209         };
1210         Element.prototype.toFront = function () {
1211             this.node.parentNode.appendChild(this.node);
1212             return this;
1213         };
1214         Element.prototype.toBack = function () {
1215             if (this.node.parentNode.firstChild != this.node) {
1216                 this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
1217             }
1218             return this;
1219         };
1220         Element.prototype.insertAfter = function (element) {
1221             if (element.node.nextSibling) {
1222                 element.node.parentNode.insertBefore(this.node, element.node.nextSibling);
1223             } else {
1224                 element.node.parentNode.appendChild(this.node);
1225             }
1226             return this;
1227         };
1228         Element.prototype.insertBefore = function (element) {
1229             var node = element.node;
1230             node.parentNode.insertBefore(this.node, node);
1231             return this;
1232         };
1233         var theCircle = function (svg, x, y, r) {
1234             x = round(x);
1235             y = round(y);
1236             var el = doc.createElementNS(svg.svgns, "circle");
1237             el.setAttribute("cx", x);
1238             el.setAttribute("cy", y);
1239             el.setAttribute("r", r);
1240             el.setAttribute("fill", "none");
1241             el.setAttribute("stroke", "#000");
1242             if (svg.canvas) {
1243                 svg.canvas.appendChild(el);
1244             }
1245             var res = new Element(el, svg);
1246             res.attrs = res.attrs || {};
1247             res.attrs.cx = x;
1248             res.attrs.cy = y;
1249             res.attrs.r = r;
1250             res.attrs.stroke = "#000";
1251             res.type = "circle";
1252             return res;
1253         };
1254         var theRect = function (svg, x, y, w, h, r) {
1255             x = round(x);
1256             y = round(y);
1257             var el = doc.createElementNS(svg.svgns, "rect");
1258             el.setAttribute("x", x);
1259             el.setAttribute("y", y);
1260             el.setAttribute("width", w);
1261             el.setAttribute("height", h);
1262             if (r) {
1263                 el.setAttribute("rx", r);
1264                 el.setAttribute("ry", r);
1265             }
1266             el.setAttribute("fill", "none");
1267             el.setAttribute("stroke", "#000");
1268             if (svg.canvas) {
1269                 svg.canvas.appendChild(el);
1270             }
1271             var res = new Element(el, svg);
1272             res.attrs = res.attrs || {};
1273             res.attrs.x = x;
1274             res.attrs.y = y;
1275             res.attrs.width = w;
1276             res.attrs.height = h;
1277             res.attrs.stroke = "#000";
1278             if (r) {
1279                 res.attrs.rx = res.attrs.ry = r;
1280             }
1281             res.type = "rect";
1282             return res;
1283         };
1284         var theEllipse = function (svg, x, y, rx, ry) {
1285             x = round(x);
1286             y = round(y);
1287             var el = doc.createElementNS(svg.svgns, "ellipse");
1288             el.setAttribute("cx", x);
1289             el.setAttribute("cy", y);
1290             el.setAttribute("rx", rx);
1291             el.setAttribute("ry", ry);
1292             el.setAttribute("fill", "none");
1293             el.setAttribute("stroke", "#000");
1294             if (svg.canvas) {
1295                 svg.canvas.appendChild(el);
1296             }
1297             var res = new Element(el, svg);
1298             res.attrs = res.attrs || {};
1299             res.attrs.cx = x;
1300             res.attrs.cy = y;
1301             res.attrs.rx = rx;
1302             res.attrs.ry = ry;
1303             res.attrs.stroke = "#000";
1304             res.type = "ellipse";
1305             return res;
1306         };
1307         var theImage = function (svg, src, x, y, w, h) {
1308             var el = doc.createElementNS(svg.svgns, "image");
1309             el.setAttribute("x", x);
1310             el.setAttribute("y", y);
1311             el.setAttribute("width", w);
1312             el.setAttribute("height", h);
1313             el.setAttribute("preserveAspectRatio", "none");
1314             el.setAttributeNS(svg.xlink, "href", src);
1315             if (svg.canvas) {
1316                 svg.canvas.appendChild(el);
1317             }
1318             var res = new Element(el, svg);
1319             res.attrs = res.attrs || {};
1320             res.attrs.src = src;
1321             res.attrs.x = x;
1322             res.attrs.y = y;
1323             res.attrs.width = w;
1324             res.attrs.height = h;
1325             res.type = "image";
1326             return res;
1327         };
1328         var theText = function (svg, x, y, text) {
1329             var el = doc.createElementNS(svg.svgns, "text");
1330             el.setAttribute("x", x);
1331             el.setAttribute("y", y);
1332             el.setAttribute("text-anchor", "middle");
1333             if (svg.canvas) {
1334                 svg.canvas.appendChild(el);
1335             }
1336             var res = new Element(el, svg);
1337             res.attrs = res.attrs || {};
1338             res.attrs.text = text;
1339             res.attrs.x = x;
1340             res.attrs.y = y;
1341             res.type = "text";
1342             setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000", text: text});
1343             return res;
1344         };
1345         var setSize = function (width, height) {
1346             this.width = width || this.width;
1347             this.height = height || this.height;
1348             this.canvas.setAttribute("width", this.width);
1349             this.canvas.setAttribute("height", this.height);
1350             return this;
1351         };
1352         var create = function () {
1353             var con = getContainer.apply(null, arguments),
1354                 container = con.container,
1355                 x = con.x,
1356                 y = con.y,
1357                 width = con.width,
1358                 height = con.height;
1359             if (!container) {
1360                 throw new Error("SVG container not found.");
1361             }
1362             paper.canvas = doc.createElementNS(paper.svgns, "svg");
1363             paper.canvas.setAttribute("width", width || 512);
1364             paper.width = width || 512;
1365             paper.canvas.setAttribute("height", height || 342);
1366             paper.height = height || 342;
1367             if (container == 1) {
1368                 doc.body.appendChild(paper.canvas);
1369                 paper.canvas.style.position = "absolute";
1370                 paper.canvas.style.left = x + "px";
1371                 paper.canvas.style.top = y + "px";
1372             } else {
1373                 if (container.firstChild) {
1374                     container.insertBefore(paper.canvas, container.firstChild);
1375                 } else {
1376                     container.appendChild(paper.canvas);
1377                 }
1378             }
1379             container = {
1380                 canvas: paper.canvas,
1381                 clear: function () {
1382                     while (this.canvas.firstChild) {
1383                         this.canvas.removeChild(this.canvas.firstChild);
1384                     }
1385                     this.defs = doc.createElementNS(paper.svgns, "defs");
1386                     this.canvas.appendChild(this.defs);
1387                 }
1388             };
1389             for (var prop in paper) {
1390                 if (prop != "create") {
1391                     container[prop] = paper[prop];
1392                 }
1393             }
1394             plugins.call(container, container, R.fn);
1395             container.clear();
1396             container.raphael = R;
1397             return container;
1398         };
1399         paper.remove = function () {
1400             this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);
1401         };
1402         paper.svgns = "http://www.w3.org/2000/svg";
1403         paper.xlink = "http://www.w3.org/1999/xlink";
1404         paper.safari = function () {
1405             if ({"Apple Computer, Inc.": 1, "Google Inc.": 1}[navigator.vendor]) {
1406                 var rect = this.rect(-this.width, -this.height, this.width * 3, this.height * 3).attr({stroke: "none"});
1407                 setTimeout(function () {rect.remove();});
1408             }
1409         };
1410     }
1411
1412     // VML
1413     if (R.vml) {
1414         var path2vml = function (path) {
1415             var pa = path2curve(path);
1416             for (var i = 0, ii = pa.length; i < ii; i++) {
1417                 pa[i][0] = (pa[i][0] + "").toLowerCase();
1418                 pa[i][0] == "z" && (pa[i][0] = "x");
1419                 for (var j = 1, jj = pa[i].length; j < jj; j++) {
1420                     pa[i][j] = Math.round(pa[i][j]);
1421                 }
1422             }
1423             return (pa + "");
1424         };
1425         R.toString = function () {
1426             return  "Your browser doesn\u2019t support SVG. Assuming it is Internet Explorer and falling down to VML.\nYou are running Rapha\u00ebl " + this.version;
1427         };
1428         var thePath = function (pathString, VML) {
1429             var g = createNode("group"), gl = g.style;
1430             gl.position = "absolute";
1431             gl.left = 0;
1432             gl.top = 0;
1433             gl.width = VML.width + "px";
1434             gl.height = VML.height + "px";
1435             g.coordsize = VML.coordsize;
1436             g.coordorigin = VML.coordorigin;
1437             var el = createNode("shape"), ol = el.style;
1438             ol.width = VML.width + "px";
1439             ol.height = VML.height + "px";
1440             el.path = "";
1441             el.coordsize = this.coordsize;
1442             el.coordorigin = this.coordorigin;
1443             g.appendChild(el);
1444             var p = new Element(el, g, VML);
1445             p.isAbsolute = true;
1446             p.type = "path";
1447             p.path = [];
1448             // p.last = {x: 0, y: 0, bx: 0, by: 0, isAbsolute: true};
1449             p.Path = "";
1450             if (pathString) {
1451                 p.attrs.path = R.parsePathString(pathString);
1452                 p.node.path = path2vml(p.attrs.path);
1453             }
1454             setFillAndStroke(p, {fill: "none", stroke: "#000"});
1455             p.setBox();
1456             VML.canvas.appendChild(g);
1457             return p;
1458         };
1459         var setFillAndStroke = function (o, params) {
1460             o.attrs = o.attrs || {};
1461             var node = o.node,
1462                 a = o.attrs,
1463                 s = node.style,
1464                 xy,
1465                 res = o;
1466             for (var par in params) {
1467                 a[par] = params[par];
1468             }
1469             params.href && (node.href = params.href);
1470             params.title && (node.title = params.title);
1471             params.target && (node.target = params.target);
1472             if (params.path && o.type == "path") {
1473                 a.path = R.parsePathString(params.path);
1474                 node.path = path2vml(a.path);
1475             }
1476             if (params.rotation != null) {
1477                 o.rotate(params.rotation, true);
1478             }
1479             if (params.translation) {
1480                 xy = (params.translation + "").split(separator);
1481                 o.translate(xy[0], xy[1]);
1482             }
1483             if (params.scale) {
1484                 xy = (params.scale + "").split(separator);
1485                 o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
1486             }
1487             if (o.type == "image" && params.src) {
1488                 node.src = params.src;
1489             }
1490             if (o.type == "image" && params.opacity) {
1491                 node.filterOpacity = " progid:DXImageTransform.Microsoft.Alpha(opacity=" + (params.opacity * 100) + ")";
1492                 s.filter = (node.filterMatrix || "") + (node.filterOpacity || "");
1493             }
1494             params.font && (s.font = params.font);
1495             params["font-family"] && (s.fontFamily = '"' + params["font-family"].split(",")[0].replace(/^['"]+|['"]+$/g, "") + '"');
1496             params["font-size"] && (s.fontSize = params["font-size"]);
1497             params["font-weight"] && (s.fontWeight = params["font-weight"]);
1498             params["font-style"] && (s.fontStyle = params["font-style"]);
1499             if (params.opacity != null || 
1500                 params["stroke-width"] != null ||
1501                 params.fill != null ||
1502                 params.stroke != null ||
1503                 params["stroke-width"] != null ||
1504                 params["stroke-opacity"] != null ||
1505                 params["fill-opacity"] != null ||
1506                 params["stroke-dasharray"] != null ||
1507                 params["stroke-miterlimit"] != null ||
1508                 params["stroke-linejoin"] != null ||
1509                 params["stroke-linecap"] != null) {
1510                 node = o.shape || node;
1511                 var fill = (node.getElementsByTagName("fill") && node.getElementsByTagName("fill")[0]),
1512                     newfill = false;
1513                 !fill && (newfill = fill = createNode("fill"));
1514                 if ("fill-opacity" in params || "opacity" in params) {
1515                     var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1);
1516                     opacity < 0 && (opacity = 0);
1517                     opacity > 1 && (opacity = 1);
1518                     fill.opacity = opacity;
1519                 }
1520                 params.fill && (fill.on = true);
1521                 if (fill.on == null || params.fill == "none") {
1522                     fill.on = false;
1523                 }
1524                 if (fill.on && params.fill) {
1525                     var isURL = params.fill.match(/^url\(([^\)]+)\)$/i);
1526                     if (isURL) {
1527                         fill.src = isURL[1];
1528                         fill.type = "tile";
1529                     } else {
1530                         fill.color = R.getRGB(params.fill).hex;
1531                         fill.src = "";
1532                         fill.type = "solid";
1533                     }
1534                 }
1535                 newfill && node.appendChild(fill);
1536                 var stroke = (node.getElementsByTagName("stroke") && node.getElementsByTagName("stroke")[0]),
1537                 newstroke = false;
1538                 !stroke && (newstroke = stroke = createNode("stroke"));
1539                 if ((params.stroke && params.stroke != "none") ||
1540                     params["stroke-width"] ||
1541                     params["stroke-opacity"] != null ||
1542                     params["stroke-dasharray"] ||
1543                     params["stroke-miterlimit"] ||
1544                     params["stroke-linejoin"] ||
1545                     params["stroke-linecap"]) {
1546                     stroke.on = true;
1547                 }
1548                 (params.stroke == "none" || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);
1549                 stroke.on && params.stroke && (stroke.color = R.getRGB(params.stroke).hex);
1550                 var opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1);
1551                 opacity < 0 && (opacity = 0);
1552                 opacity > 1 && (opacity = 1);
1553                 stroke.opacity = opacity;
1554                 params["stroke-linejoin"] && (stroke.joinstyle = params["stroke-linejoin"] || "miter");
1555                 stroke.miterlimit = params["stroke-miterlimit"] || 8;
1556                 params["stroke-linecap"] && (stroke.endcap = {butt: "flat", square: "square", round: "round"}[params["stroke-linecap"]] || "miter");
1557                 params["stroke-width"] && (stroke.weight = (parseFloat(params["stroke-width"]) || 1) * 12 / 16);
1558                 if (params["stroke-dasharray"]) {
1559                     var dasharray = {
1560                         "-": "shortdash",
1561                         ".": "shortdot",
1562                         "-.": "shortdashdot",
1563                         "-..": "shortdashdotdot",
1564                         ". ": "dot",
1565                         "- ": "dash",
1566                         "--": "longdash",
1567                         "- .": "dashdot",
1568                         "--.": "longdashdot",
1569                         "--..": "longdashdotdot"
1570                     };
1571                     stroke.dashstyle = dasharray[params["stroke-dasharray"]] || "";
1572                 }
1573                 newstroke && node.appendChild(stroke);
1574             }
1575             if (res.type == "text") {
1576                 var s = paper.span.style;
1577                 a.font && (s.font = a.font);
1578                 a["font-family"] && (s.fontFamily = a["font-family"]);
1579                 a["font-size"] && (s.fontSize = a["font-size"]);
1580                 a["font-weight"] && (s.fontWeight = a["font-weight"]);
1581                 a["font-style"] && (s.fontStyle = a["font-style"]);
1582                 paper.span.innerHTML = res.node.string.replace(/</g, "&#60;").replace(/&/g, "&#38;").replace(/\n/g, "<br>");
1583                 res.W = a.w = paper.span.offsetWidth;
1584                 res.H = a.h = paper.span.offsetHeight;
1585                 res.X = a.x;
1586                 res.Y = a.y + Math.round(res.H / 2);
1587
1588                 // text-anchor emulation
1589                 switch (a["text-anchor"]) {
1590                     case "start":
1591                         res.node.style["v-text-align"] = "left";
1592                         res.bbx = Math.round(res.W / 2);
1593                     break;
1594                     case "end":
1595                         res.node.style["v-text-align"] = "right";
1596                         res.bbx = -Math.round(res.W / 2);
1597                     break;
1598                     default:
1599                         res.node.style["v-text-align"] = "center";
1600                     break;
1601                 }
1602             }
1603         };
1604         var getAngle = function (a, b, c, d) {
1605             var angle = Math.round(Math.atan((parseFloat(c) - parseFloat(a)) / (parseFloat(d) - parseFloat(b))) * 57.29) || 0;
1606             if (!angle && parseFloat(a) < parseFloat(b)) {
1607                 angle = 180;
1608             }
1609             angle -= 180;
1610             if (angle < 0) {
1611                 angle += 360;
1612             }
1613             return angle;
1614         };
1615         var addGradientFill = function (o, gradient) {
1616             gradient = toGradient(gradient);
1617             o.attrs = o.attrs || {};
1618             var attrs = o.attrs,
1619                 fill = o.node.getElementsByTagName("fill");
1620             o.attrs.gradient = gradient;
1621             o = o.shape || o.node;
1622             if (fill.length) {
1623                 fill = fill[0];
1624             } else {
1625                 fill = createNode("fill");
1626             }
1627             if (gradient.dots.length) {
1628                 fill.on = true;
1629                 fill.method = "none";
1630                 fill.type = ((gradient.type + "").toLowerCase() == "radial") ? "gradientTitle" : "gradient";
1631                 if (typeof gradient.dots[0].color != "undefined") {
1632                     fill.color = R.getRGB(gradient.dots[0].color).hex;
1633                 }
1634                 if (typeof gradient.dots[gradient.dots.length - 1].color != "undefined") {
1635                     fill.color2 = R.getRGB(gradient.dots[gradient.dots.length - 1].color).hex;
1636                 }
1637                 var clrs = [];
1638                 for (var i = 0, ii = gradient.dots.length; i < ii; i++) {
1639                     if (gradient.dots[i].offset) {
1640                         clrs.push(gradient.dots[i].offset + " " + R.getRGB(gradient.dots[i].color).hex);
1641                     }
1642                 };
1643                 var fillOpacity = typeof gradient.dots[gradient.dots.length - 1].opacity == "undefined" ? (typeof attrs.opacity == "undefined" ? 1 : attrs.opacity) : gradient.dots[gradient.dots.length - 1].opacity;
1644                 if (clrs.length) {
1645                     fill.colors.value = clrs.join(",");
1646                     fillOpacity = typeof attrs.opacity == "undefined" ? 1 : attrs.opacity;
1647                 } else {
1648                     fill.colors && (fill.colors.value = "0% " + fill.color);
1649                 }
1650                 fill.opacity = fillOpacity;
1651                 if (typeof gradient.angle != "undefined") {
1652                     fill.angle = (-gradient.angle + 270) % 360;
1653                 } else if (gradient.vector) {
1654                     fill.angle = getAngle.apply(null, gradient.vector);
1655                 }
1656                 if ((gradient.type + "").toLowerCase() == "radial") {
1657                     fill.focus = "100%";
1658                     fill.focusposition = "0.5 0.5";
1659                 }
1660             }
1661         };
1662         var Element = function (node, group, vml) {
1663             var Rotation = 0,
1664                 RotX = 0,
1665                 RotY = 0,
1666                 Scale = 1;
1667             this[0] = node;
1668             this.node = node;
1669             this.X = 0;
1670             this.Y = 0;
1671             this.attrs = {};
1672             this.Group = group;
1673             this.paper = vml;
1674             this._ = {
1675                 tx: 0,
1676                 ty: 0,
1677                 rt: {deg:0},
1678                 sx: 1,
1679                 sy: 1
1680             };
1681         };
1682         Element.prototype.rotate = function (deg, cx, cy) {
1683             if (deg == null) {
1684                 if (this._.rt.cx) {
1685                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy].join(" ");
1686                 }
1687                 return this._.rt.deg;
1688             }
1689             deg = (deg + "").split(separator);
1690             if (deg.length - 1) {
1691                 cx = parseFloat(deg[1]);
1692                 cy = parseFloat(deg[2]);
1693             }
1694             deg = parseFloat(deg[0]);
1695             if (cx != null) {
1696                 this._.rt.deg = deg;
1697             } else {
1698                 this._.rt.deg += deg;
1699             }
1700             (cy == null) && (cx = null);
1701             this._.rt.cx = cx;
1702             this._.rt.cy = cy;
1703             this.setBox(this.attrs, cx, cy);
1704             this.Group.style.rotation = this._.rt.deg;
1705             // gradient fix for rotation. TODO
1706             // var fill = (this.shape || this.node).getElementsByTagName("fill");
1707             // fill = fill[0] || {};
1708             // var b = ((360 - this._.rt.deg) - 270) % 360;
1709             // typeof fill.angle != "undefined" && (fill.angle = b);
1710             return this;
1711         };
1712         Element.prototype.setBox = function (params, cx, cy) {
1713             var gs = this.Group.style,
1714                 os = (this.shape && this.shape.style) || this.node.style;
1715             params = params || {};
1716             for (var i in params) {
1717                 this.attrs[i] = params[i];
1718             }
1719             cx = cx || this._.rt.cx;
1720             cy = cy || this._.rt.cy;
1721             var attr = this.attrs,
1722                 x,
1723                 y,
1724                 w,
1725                 h;
1726             switch (this.type) {
1727                 case "circle":
1728                     x = attr.cx - attr.r;
1729                     y = attr.cy - attr.r;
1730                     w = h = attr.r * 2;
1731                     break;
1732                 case "ellipse":
1733                     x = attr.cx - attr.rx;
1734                     y = attr.cy - attr.ry;
1735                     w = attr.rx * 2;
1736                     h = attr.ry * 2;
1737                     break;
1738                 case "rect":
1739                 case "image":
1740                     x = attr.x;
1741                     y = attr.y;
1742                     w = attr.width || 0;
1743                     h = attr.height || 0;
1744                     break;
1745                 case "text":
1746                     this.textpath.v = ["m", Math.round(attr.x), ", ", Math.round(attr.y - 2), "l", Math.round(attr.x) + 1, ", ", Math.round(attr.y - 2)].join("");
1747                     x = attr.x - Math.round(this.W / 2);
1748                     y = attr.y - this.H / 2;
1749                     w = this.W;
1750                     h = this.H;
1751                     break;
1752                 case "path":
1753                     if (!this.attrs.path) {
1754                         x = 0;
1755                         y = 0;
1756                         w = this.paper.width;
1757                         h = this.paper.height;
1758                     } else {
1759                         var dim = pathDimensions(this.attrs.path);
1760                         x = dim.x;
1761                         y = dim.y;
1762                         w = dim.width;
1763                         h = dim.height;
1764                     }
1765                     break;
1766                 default:
1767                     x = 0;
1768                     y = 0;
1769                     w = this.paper.width;
1770                     h = this.paper.height;
1771                     break;
1772             }
1773             cx = (cx == null) ? x + w / 2 : cx;
1774             cy = (cy == null) ? y + h / 2 : cy;
1775             var left = cx - this.paper.width / 2,
1776                 top = cy - this.paper.height / 2;
1777             if (this.type == "path" || this.type == "text") {
1778                 (gs.left != left + "px") && (gs.left = left + "px");
1779                 (gs.top != top + "px") && (gs.top = top + "px");
1780                 this.X = this.type == "text" ? x : -left;
1781                 this.Y = this.type == "text" ? y : -top;
1782                 this.W = w;
1783                 this.H = h;
1784                 (os.left != -left + "px") && (os.left = -left + "px");
1785                 (os.top != -top + "px") && (os.top = -top + "px");
1786             } else {
1787                 (gs.left != left + "px") && (gs.left = left + "px");
1788                 (gs.top != top + "px") && (gs.top = top + "px");
1789                 this.X = x;
1790                 this.Y = y;
1791                 this.W = w;
1792                 this.H = h;
1793                 (gs.width != this.paper.width + "px") && (gs.width = this.paper.width + "px");
1794                 (gs.height != this.paper.height + "px") && (gs.height = this.paper.height + "px");
1795                 (os.left != x - left + "px") && (os.left = x - left + "px");
1796                 (os.top != y - top + "px") && (os.top = y - top + "px");
1797                 (os.width != w + "px") && (os.width = w + "px");
1798                 (os.height != h + "px") && (os.height = h + "px");
1799                 var arcsize = (+params.r || 0) / (Math.min(w, h));
1800                 if (this.type == "rect" && this.arcsize != arcsize && (arcsize || this.arcsize)) {
1801                     // We should replace element with the new one
1802                     var o = createNode(arcsize ? "roundrect" : "rect");
1803                     o.arcsize = arcsize;
1804                     this.Group.appendChild(o);
1805                     this.node.parentNode.removeChild(this.node);
1806                     this.node = o;
1807                     this.arcsize = arcsize;
1808                     setFillAndStroke(this, this.attrs);
1809                     this.setBox(this.attrs);
1810                 }
1811             }
1812         };
1813         Element.prototype.hide = function () {
1814             this.Group.style.display = "none";
1815             return this;
1816         };
1817         Element.prototype.show = function () {
1818             this.Group.style.display = "block";
1819             return this;
1820         };
1821         Element.prototype.getBBox = function () {
1822             if (this.type == "path") {
1823                 return pathDimensions(this.attrs.path);
1824             }
1825             return {
1826                 x: this.X + (this.bbx || 0),
1827                 y: this.Y,
1828                 width: this.W,
1829                 height: this.H
1830             };
1831         };
1832         Element.prototype.remove = function () {
1833             this[0].parentNode.removeChild(this[0]);
1834             this.Group.parentNode.removeChild(this.Group);
1835             this.shape && this.shape.parentNode.removeChild(this.shape);
1836         };
1837         Element.prototype.attr = function () {
1838             if (arguments.length == 1 && typeof arguments[0] == "string") {
1839                 if (arguments[0] == "translation") {
1840                     return this.translate();
1841                 }
1842                 if (arguments[0] == "rotation") {
1843                     return this.rotate();
1844                 }
1845                 if (arguments[0] == "scale") {
1846                     return this.scale();
1847                 }
1848                 return this.attrs[arguments[0]];
1849             }
1850             if (this.attrs && arguments.length == 1 && R.isArray(arguments[0])) {
1851                 var values = {};
1852                 for (var i = 0, ii = arguments[0].length; i < ii; i++) {
1853                     values[arguments[0][i]] = this.attrs[arguments[0][i]];
1854                 };
1855                 return values;
1856             }
1857             var params;
1858             if (arguments.length == 2) {
1859                 params = {};
1860                 params[arguments[0]] = arguments[1];
1861             }
1862             if (arguments.length == 1 && typeof arguments[0] == "object") {
1863                 params = arguments[0];
1864             }
1865             if (params) {
1866                 if (params.gradient) {
1867                     addGradientFill(this, params.gradient);
1868                 }
1869                 if (params.text && this.type == "text") {
1870                     this.node.string = params.text;
1871                 }
1872                 setFillAndStroke(this, params);
1873                 this.setBox(this.attrs);
1874             }
1875             return this;
1876         };
1877         Element.prototype.toFront = function () {
1878             this.Group.parentNode.appendChild(this.Group);
1879             return this;
1880         };
1881         Element.prototype.toBack = function () {
1882             if (this.Group.parentNode.firstChild != this.Group) {
1883                 this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
1884             }
1885             return this;
1886         };
1887         Element.prototype.insertAfter = function (element) {
1888             if (element.Group.nextSibling) {
1889                 element.Group.parentNode.insertBefore(this.Group, element.Group.nextSibling);
1890             } else {
1891                 element.Group.parentNode.appendChild(this.Group);
1892             }
1893             return this;
1894         };
1895         Element.prototype.insertBefore = function (element) {
1896             element.Group.parentNode.insertBefore(this.Group, element.Group);
1897             return this;
1898         };
1899         var theCircle = function (vml, x, y, r) {
1900             var g = createNode("group"),
1901                 gl = g.style,
1902                 o = createNode("oval"),
1903                 ol = o.style;
1904             gl.position = "absolute";
1905             gl.left = 0;
1906             gl.top = 0;
1907             gl.width = vml.width + "px";
1908             gl.height = vml.height + "px";
1909             g.coordsize = vml.coordsize;
1910             g.coordorigin = vml.coordorigin;
1911             g.appendChild(o);
1912             var res = new Element(o, g, vml);
1913             res.type = "circle";
1914             setFillAndStroke(res, {stroke: "#000", fill: "none"});
1915             res.attrs.cx = x;
1916             res.attrs.cy = y;
1917             res.attrs.r = r;
1918             res.setBox({x: x - r, y: y - r, width: r * 2, height: r * 2});
1919             vml.canvas.appendChild(g);
1920             return res;
1921         };
1922         var theRect = function (vml, x, y, w, h, r) {
1923             var g = createNode("group"),
1924                 gl = g.style,
1925                 o = createNode(r ? "roundrect" : "rect"),
1926                 arcsize = (+r || 0) / (Math.min(w, h));
1927             o.arcsize = arcsize;
1928             gl.position = "absolute";
1929             gl.left = 0;
1930             gl.top = 0;
1931             gl.width = vml.width + "px";
1932             gl.height = vml.height + "px";
1933             g.coordsize = vml.coordsize;
1934             g.coordorigin = vml.coordorigin;
1935             g.appendChild(o);
1936             var res = new Element(o, g, vml);
1937             res.type = "rect";
1938             setFillAndStroke(res, {stroke: "#000"});
1939             res.arcsize = arcsize;
1940             res.setBox({x: x, y: y, width: w, height: h, r: +r});
1941             vml.canvas.appendChild(g);
1942             return res;
1943         };
1944         var theEllipse = function (vml, x, y, rx, ry) {
1945             var g = createNode("group"),
1946                 gl = g.style,
1947                 o = createNode("oval"),
1948                 ol = o.style;
1949             gl.position = "absolute";
1950             gl.left = 0;
1951             gl.top = 0;
1952             gl.width = vml.width + "px";
1953             gl.height = vml.height + "px";
1954             g.coordsize = vml.coordsize;
1955             g.coordorigin = vml.coordorigin;
1956             g.appendChild(o);
1957             var res = new Element(o, g, vml);
1958             res.type = "ellipse";
1959             setFillAndStroke(res, {stroke: "#000"});
1960             res.attrs.cx = x;
1961             res.attrs.cy = y;
1962             res.attrs.rx = rx;
1963             res.attrs.ry = ry;
1964             res.setBox({x: x - rx, y: y - ry, width: rx * 2, height: ry * 2});
1965             vml.canvas.appendChild(g);
1966             return res;
1967         };
1968         var theImage = function (vml, src, x, y, w, h) {
1969             var g = createNode("group"),
1970                 gl = g.style,
1971                 o = createNode("image"),
1972                 ol = o.style;
1973             gl.position = "absolute";
1974             gl.left = 0;
1975             gl.top = 0;
1976             gl.width = vml.width + "px";
1977             gl.height = vml.height + "px";
1978             g.coordsize = vml.coordsize;
1979             g.coordorigin = vml.coordorigin;
1980             o.src = src;
1981             g.appendChild(o);
1982             var res = new Element(o, g, vml);
1983             res.type = "image";
1984             res.attrs.src = src;
1985             res.attrs.x = x;
1986             res.attrs.y = y;
1987             res.attrs.w = w;
1988             res.attrs.h = h;
1989             res.setBox({x: x, y: y, width: w, height: h});
1990             vml.canvas.appendChild(g);
1991             return res;
1992         };
1993         var theText = function (vml, x, y, text) {
1994             var g = createNode("group"),
1995                 gs = g.style,
1996                 el = createNode("shape"),
1997                 ol = el.style,
1998                 path = createNode("path"),
1999                 ps = path.style,
2000                 o = createNode("textpath");
2001             gs.position = "absolute";
2002             gs.left = 0;
2003             gs.top = 0;
2004             gs.width = vml.width + "px";
2005             gs.height = vml.height + "px";
2006             g.coordsize = vml.coordsize;
2007             g.coordorigin = vml.coordorigin;
2008             path.v = ["m", Math.round(x), ", ", Math.round(y), "l", Math.round(x) + 1, ", ", Math.round(y)].join("");
2009             path.textpathok = true;
2010             ol.width = vml.width;
2011             ol.height = vml.height;
2012             gs.position = "absolute";
2013             gs.left = 0;
2014             gs.top = 0;
2015             gs.width = vml.width;
2016             gs.height = vml.height;
2017             o.string = text;
2018             o.on = true;
2019             el.appendChild(o);
2020             el.appendChild(path);
2021             g.appendChild(el);
2022             var res = new Element(o, g, vml);
2023             res.shape = el;
2024             res.textpath = path;
2025             res.type = "text";
2026             res.attrs.text = text;
2027             res.attrs.x = x;
2028             res.attrs.y = y;
2029             res.attrs.w = 1;
2030             res.attrs.h = 1;
2031             setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000"});
2032             res.setBox();
2033             vml.canvas.appendChild(g);
2034             return res;
2035         };
2036         var setSize = function (width, height) {
2037             var cs = this.canvas.style;
2038             this.width = width || this.width;
2039             this.height = height || this.height;
2040             cs.width = this.width + "px";
2041             cs.height = this.height + "px";
2042             cs.clip = "rect(0 " + this.width + "px " + this.height + "px 0)";
2043             this.canvas.coordsize = this.width + " " + this.height;
2044             return this;
2045         };
2046         doc.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
2047         try {
2048             !doc.namespaces.rvml && doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
2049             var createNode = function (tagName) {
2050                 return doc.createElement('<rvml:' + tagName + ' class="rvml">');
2051             };
2052         } catch (e) {
2053             var createNode = function (tagName) {
2054                 return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
2055             };
2056         }
2057         var create = function () {
2058             var con = getContainer.apply(null, arguments),
2059                 container = con.container,
2060                 height = con.height,
2061                 s,
2062                 width = con.width,
2063                 x = con.x,
2064                 y = con.y;
2065             if (!container) {
2066                 throw new Error("VML container not found.");
2067             }
2068             var c = paper.canvas = doc.createElement("div"),
2069                 cs = c.style;
2070             width = parseFloat(width) || "512px";
2071             height = parseFloat(height) || "342px";
2072             paper.width = width;
2073             paper.height = height;
2074             paper.coordsize = width + " " + height;
2075             paper.coordorigin = "0 0";
2076             paper.span = doc.createElement("span");
2077             s = paper.span.style;
2078             c.appendChild(paper.span);
2079             s.position = "absolute";
2080             s.left = "-99999px";
2081             s.top = "-99999px";
2082             s.padding = 0;
2083             s.margin = 0;
2084             s.lineHeight = 1;
2085             s.display = "inline";
2086             cs.width  = width + "px";
2087             cs.height = height + "px";
2088             cs.position = "absolute";
2089             cs.clip = "rect(0 " + width + "px " + height + "px 0)";
2090             if (container == 1) {
2091                 doc.body.appendChild(c);
2092                 cs.left = x + "px";
2093                 cs.top = y + "px";
2094                 container = {
2095                     style: {
2096                         width: width,
2097                         height: height
2098                     }
2099                 };
2100             } else {
2101                 container.style.width = width;
2102                 container.style.height = height;
2103                 if (container.firstChild) {
2104                     container.insertBefore(c, container.firstChild);
2105                 } else {
2106                     container.appendChild(c);
2107                 }
2108             }
2109             for (var prop in paper) {
2110                 container[prop] = paper[prop];
2111             }
2112             plugins.call(container, container, R.fn);
2113             container.clear = function () {
2114                 while (c.firstChild) {
2115                     c.removeChild(c.firstChild);
2116                 }
2117             };
2118             container.raphael = R;
2119             return container;
2120         };
2121         paper.remove = function () {
2122             this.canvas.parentNode.removeChild(this.canvas);
2123         };
2124         paper.safari = function () {};
2125     }
2126
2127     // rest
2128
2129     // Events
2130     var addEvent = (function () {
2131         if (doc.addEventListener) {
2132             return function (obj, type, fn, element) {
2133                 var f = function (e) {
2134                     return fn.call(element, e);
2135                 };
2136                 obj.addEventListener(type, f, false);
2137                 return function () {
2138                     obj.removeEventListener(type, f, false);
2139                     return true;
2140                 };
2141             };
2142         } else if (doc.attachEvent) {
2143             return function (obj, type, fn, element) {
2144                 var f = function (e) {
2145                     return fn.call(element, e || win.event);
2146                 };
2147                 obj.attachEvent("on" + type, f);
2148                 var detacher = function () {
2149                     obj.detachEvent("on" + type, f);
2150                     return true;
2151                 };
2152                 if (type == "mouseover") {
2153                     obj.attachEvent("onmouseenter", f);
2154                     return function () {
2155                         obj.detachEvent("onmouseenter", f);
2156                         return detacher();
2157                     };
2158                 } else if (type == "mouseout") {
2159                     obj.attachEvent("onmouseleave", f);
2160                     return function () {
2161                         obj.detachEvent("onmouseleave", f);
2162                         return detacher();
2163                     };
2164                 }
2165                 return detacher;
2166             };
2167         }
2168     })();
2169     for (var i = events.length; i--;) {
2170         (function (eventName) {
2171             Element.prototype[eventName] = function (fn) {
2172                 if (typeof fn == "function") {
2173                     this.events = this.events || {};
2174                     this.events[eventName] = this.events[eventName] || {};
2175                     this.events[eventName][fn] = this.events[eventName][fn] || [];
2176                     this.events[eventName][fn].push(addEvent(this.shape || this.node, eventName, fn, this));
2177                 }
2178                 return this;
2179             };
2180             Element.prototype["un" + eventName] = function (fn) {
2181                 this.events &&
2182                 this.events[eventName] &&
2183                 this.events[eventName][fn] &&
2184                 this.events[eventName][fn].length &&
2185                 this.events[eventName][fn].shift()() &&
2186                 !this.events[eventName][fn].length &&
2187                 delete this.events[eventName][fn];
2188             };
2189
2190         })(events[i]);
2191     }
2192     paper.circle = function (x, y, r) {
2193         return theCircle(this, x, y, r);
2194     };
2195     paper.rect = function (x, y, w, h, r) {
2196         return theRect(this, x, y, w, h, r);
2197     };
2198     paper.ellipse = function (x, y, rx, ry) {
2199         return theEllipse(this, x, y, rx, ry);
2200     };
2201     paper.path = function (pathString) {
2202         return thePath(R.format.apply(R, arguments), this);
2203     };
2204     paper.image = function (src, x, y, w, h) {
2205         return theImage(this, src, x, y, w, h);
2206     };
2207     paper.text = function (x, y, text) {
2208         return theText(this, x, y, text);
2209     };
2210     paper.set = function (itemsArray) {
2211         arguments.length > 1 && (itemsArray = Array.prototype.splice.call(arguments, 0, arguments.length));
2212         return new Set(itemsArray);
2213     };
2214     paper.setSize = setSize;
2215     Element.prototype.stop = function () {
2216         clearTimeout(this.animation_in_progress);
2217         return this;
2218     };
2219     Element.prototype.scale = function (x, y, cx, cy) {
2220         if (x == null && y == null) {
2221             return {x: this._.sx, y: this._.sy, toString: function () { return +this.x.toFixed(3) + " " + (+this.y.toFixed(3)); }};
2222         }
2223         y = y || x;
2224         !+y && (y = x);
2225         var dx,
2226             dy,
2227             dcx,
2228             dcy,
2229             a = this.attrs;
2230         if (x != 0) {
2231             var bb = this.getBBox(),
2232                 rcx = bb.x + bb.width / 2,
2233                 rcy = bb.y + bb.height / 2,
2234                 kx = x / this._.sx,
2235                 ky = y / this._.sy;
2236             cx = (+cx || cx == 0) ? cx : rcx;
2237             cy = (+cy || cy == 0) ? cy : rcy;
2238             var dirx = Math.round(x / Math.abs(x)),
2239                 diry = Math.round(y / Math.abs(y)),
2240                 s = this.node.style,
2241                 ncx = cx + (rcx - cx) * dirx * kx,
2242                 ncy = cy + (rcy - cy) * diry * ky;
2243             switch (this.type) {
2244                 case "rect":
2245                 case "image":
2246                     var neww = a.width * dirx * kx,
2247                         newh = a.height * diry * ky,
2248                         newx = ncx - neww / 2,
2249                         newy = ncy - newh / 2;
2250                     this.attr({
2251                         width: neww,
2252                         height: newh,
2253                         x: newx,
2254                         y: newy
2255                     });
2256                     break;
2257                 case "circle":
2258                 case "ellipse":
2259                     this.attr({
2260                         rx: a.rx * kx,
2261                         ry: a.ry * ky,
2262                         r: a.r * kx,
2263                         cx: ncx,
2264                         cy: ncy
2265                     });
2266                     break;
2267                 case "path":
2268                     var path = pathToRelative(a.path),
2269                         skip = true;
2270                     for (var i = 0, ii = path.length; i < ii; i++) {
2271                         var p = path[i];
2272                         if (p[0].toUpperCase() == "M" && skip) {
2273                             continue;
2274                         } else {
2275                             skip = false;
2276                         }
2277                         if (R.svg && p[0].toUpperCase() == "A") {
2278                             p[path[i].length - 2] *= kx;
2279                             p[path[i].length - 1] *= ky;
2280                             p[1] *= kx;
2281                             p[2] *= ky;
2282                             p[5] = +(dirx + diry ? !!+p[5] : !+p[5]);
2283                         } else {
2284                             for (var j = 1, jj = p.length; j < jj; j++) {
2285                                 p[j] *= (j % 2) ? kx : ky;
2286                             }
2287                         }
2288                     }
2289                     var dim2 = pathDimensions(path),
2290                         dx = ncx - dim2.x - dim2.width / 2,
2291                         dy = ncy - dim2.y - dim2.height / 2;
2292                     path = pathToRelative(path);
2293                     path[0][1] += dx;
2294                     path[0][2] += dy;
2295                     
2296                     this.attr({path: path.join(" ")});
2297                 break;
2298             }
2299             if (this.type in {text: 1, image:1} && (dirx != 1 || diry != 1)) {
2300                 if (this.transformations) {
2301                     this.transformations[2] = "scale(".concat(dirx, ",", diry, ")");
2302                     this.node.setAttribute("transform", this.transformations.join(" "));
2303                     dx = (dirx == -1) ? -a.x - (neww || 0) : a.x;
2304                     dy = (diry == -1) ? -a.y - (newh || 0) : a.y;
2305                     this.attr({x: dx, y: dy});
2306                     a.fx = dirx - 1;
2307                     a.fy = diry - 1;
2308                 } else {
2309                     this.node.filterMatrix = " progid:DXImageTransform.Microsoft.Matrix(M11=".concat(dirx,
2310                         ", M12=0, M21=0, M22=", diry,
2311                         ", Dx=0, Dy=0, sizingmethod='auto expand', filtertype='bilinear')");
2312                     s.filter = (this.node.filterMatrix || "") + (this.node.filterOpacity || "");
2313                 }
2314             } else {
2315                 if (this.transformations) {
2316                     this.transformations[2] = "";
2317                     this.node.setAttribute("transform", this.transformations.join(" "));
2318                     a.fx = 0;
2319                     a.fy = 0;
2320                 } else {
2321                     this.node.filterMatrix = "";
2322                     s.filter = (this.node.filterMatrix || "") + (this.node.filterOpacity || "");
2323                 }
2324             }
2325             a.scale = [x, y, cx, cy].join(" ");
2326             this._.sx = x;
2327             this._.sy = y;
2328         }
2329         return this;
2330     };
2331
2332     // animation easing formulas
2333     R.easing_formulas = {
2334         linear: function (n) {
2335             return n;
2336         },
2337         "<": function (n) {
2338             return Math.pow(n, 3);
2339         },
2340         ">": function (n) {
2341             return Math.pow(n - 1, 3) + 1;
2342         },
2343         "<>": function (n) {
2344             n = n * 2;
2345             if (n < 1) {
2346                 return Math.pow(n, 3) / 2;
2347             }
2348             n -= 2;
2349             return (Math.pow(n, 3) + 2) / 2;
2350         },
2351         backIn: function (n) {
2352             var s = 1.70158;
2353             return n * n * ((s + 1) * n - s);
2354         },
2355         backOut: function (n) {
2356             n = n - 1;
2357             var s = 1.70158;
2358             return n * n * ((s + 1) * n + s) + 1;
2359         },
2360         elastic: function (n) {
2361             if (n == 0 || n == 1) {
2362                 return n;
2363             }
2364             var p = .3,
2365                 s = p / 4;
2366             return Math.pow(2, -10 * n) * Math.sin((n - s) * (2 * Math.PI) / p) + 1;
2367         },
2368         bounce: function (n) {
2369             var s = 7.5625,
2370                 p = 2.75,
2371                 l;
2372             if (n < (1 / p)) {
2373                 l = s * n * n;
2374             } else {
2375                 if (n < (2 / p)) {
2376                     n -= (1.5 / p);
2377                     l = s * n * n + .75;
2378                 } else {
2379                     if (n < (2.5 / p)) {
2380                         n -= (2.25 / p);
2381                         l = s * n * n + .9375;
2382                     } else {
2383                         n -= (2.625 / p);
2384                         l = s * n * n + .984375;
2385                     }
2386                 }
2387             }
2388             return l;
2389         }
2390     };
2391
2392     Element.prototype.animate = function (params, ms, easing, callback) {
2393         clearTimeout(this.animation_in_progress);
2394         if (typeof easing == "function" || !easing) {
2395             callback = easing || null;
2396         }
2397         var from = {},
2398             to = {},
2399             diff = {},
2400             t = {x: 0, y: 0};
2401         for (var attr in params) {
2402             if (attr in availableAnimAttrs) {
2403                 from[attr] = this.attr(attr);
2404                 (typeof from[attr] == "undefined") && (from[attr] = availableAttrs[attr]);
2405                 to[attr] = params[attr];
2406                 switch (availableAnimAttrs[attr]) {
2407                     case "number":
2408                         diff[attr] = (to[attr] - from[attr]) / ms;
2409                         break;
2410                     case "colour":
2411                         from[attr] = R.getRGB(from[attr]);
2412                         var toColour = R.getRGB(to[attr]);
2413                         diff[attr] = {
2414                             r: (toColour.r - from[attr].r) / ms,
2415                             g: (toColour.g - from[attr].g) / ms,
2416                             b: (toColour.b - from[attr].b) / ms
2417                         };
2418                         break;
2419                     case "path":
2420                         var pathes = path2curve(from[attr], to[attr]);
2421                         from[attr] = pathes[0];
2422                         to[attr] = pathes[1];
2423                         diff[attr] = [];
2424                         for (var i = 0, ii = from[attr].length; i < ii; i++) {
2425                             diff[attr][i] = [0];
2426                             for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
2427                                 diff[attr][i][j] = (to[attr][i][j] - from[attr][i][j]) / ms;
2428                             }
2429                         }
2430                         break;
2431                     case "csv":
2432                         var values = (params[attr] + "").split(separator),
2433                             from2 = (from[attr] + "").split(separator);
2434                         switch (attr) {
2435                             case "translation":
2436                                 from[attr] = [0, 0];
2437                                 diff[attr] = [values[0] / ms, values[1] / ms];
2438                             break;
2439                             case "rotation":
2440                                 from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];
2441                                 diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];
2442                             break;
2443                             case "scale":
2444                                 params[attr] = values;
2445                                 from[attr] = (from[attr] + "").split(separator);
2446                                 diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];
2447                         }
2448                         to[attr] = values;
2449                 }
2450             }
2451         }
2452         var start = +new Date,
2453             prev = 0,
2454             upto255 = function (color) {
2455                 return +color > 255 ? 255 : +color;
2456             },
2457             that = this;
2458         (function tick() {
2459             var time = new Date - start,
2460                 set = {},
2461                 now;
2462             if (time < ms) {
2463                 var pos = R.easing_formulas[easing] ? R.easing_formulas[easing](time / ms) : time / ms;
2464                 for (var attr in from) {
2465                     switch (availableAnimAttrs[attr]) {
2466                         case "number":
2467                             now = +from[attr] + pos * ms * diff[attr];
2468                             break;
2469                         case "colour":
2470                             now = "rgb(" + [
2471                                 upto255(Math.round(from[attr].r + pos * ms * diff[attr].r)),
2472                                 upto255(Math.round(from[attr].g + pos * ms * diff[attr].g)),
2473                                 upto255(Math.round(from[attr].b + pos * ms * diff[attr].b))
2474                             ].join(",") + ")";
2475                             break;
2476                         case "path":
2477                             now = [];
2478                             for (var i = 0, ii = from[attr].length; i < ii; i++) {
2479                                 now[i] = [from[attr][i][0]];
2480                                 for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
2481                                     now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
2482                                 }
2483                                 now[i] = now[i].join(" ");
2484                             }
2485                             now = now.join(" ");
2486                             break;
2487                         case "csv":
2488                             switch (attr) {
2489                                 case "translation":
2490                                     var x = diff[attr][0] * (time - prev),
2491                                         y = diff[attr][1] * (time - prev);
2492                                     t.x += x;
2493                                     t.y += y;
2494                                     now = [x, y].join(" ");
2495                                 break;
2496                                 case "rotation":
2497                                     now = +from[attr][0] + pos * ms * diff[attr][0];
2498                                     from[attr][1] && (now += "," + from[attr][1] + "," + from[attr][2]);
2499                                 break;
2500                                 case "scale":
2501                                     now = [+from[attr][0] + pos * ms * diff[attr][0], +from[attr][1] + pos * ms * diff[attr][1], (2 in params[attr] ? params[attr][2] : ""), (3 in params[attr] ? params[attr][3] : "")].join(" ");
2502                             }
2503                             break;
2504                     }
2505                     set[attr] = now;
2506                 }
2507                 that.attr(set);
2508                 that.animation_in_progress = setTimeout(tick);
2509                 R.svg && paper.safari();
2510             } else {
2511                 (t.x || t.y) && that.translate(-t.x, -t.y);
2512                 that.attr(params);
2513                 clearTimeout(that.animation_in_progress);
2514                 R.svg && paper.safari();
2515                 (typeof callback == "function") && callback.call(that);
2516             }
2517             prev = time;
2518         })();
2519         return this;
2520     };
2521     Element.prototype.translate = function (x, y) {
2522         if (x == null) {
2523             return {x: this._.tx, y: this._.ty};
2524         }
2525         this._.tx += +x;
2526         this._.ty += +y;
2527         switch (this.type) {
2528             case "circle":
2529             case "ellipse":
2530                 this.attr({cx: +x + this.attrs.cx, cy: +y + this.attrs.cy});
2531                 break;
2532             case "rect":
2533             case "image":
2534             case "text":
2535                 this.attr({x: +x + this.attrs.x, y: +y + this.attrs.y});
2536                 break;
2537             case "path":
2538                 var path = pathToRelative(this.attrs.path);
2539                 path[0][1] += +x;
2540                 path[0][2] += +y;
2541                 this.attr({path: path});
2542             break;
2543         }
2544         return this;
2545     };
2546
2547     // Set
2548     var Set = function (items) {
2549         this.items = [];
2550         this.length = 0;
2551         if (items) {
2552             for (var i = 0, ii = items.length; i < ii; i++) {
2553                 if (items[i] && (items[i].constructor == Element || items[i].constructor == Set)) {
2554                     this[this.items.length] = this.items[this.items.length] = items[i];
2555                     this.length++;
2556                 }
2557             }
2558         }
2559     };
2560     Set.prototype.push = function () {
2561         var item,
2562             len;
2563         for (var i = 0, ii = arguments.length; i < ii; i++) {
2564             item = arguments[i];
2565             if (item && (item.constructor == Element || item.constructor == Set)) {
2566                 len = this.items.length;
2567                 this[len] = this.items[len] = item;
2568                 this.length++;
2569             }
2570         }
2571         return this;
2572     };
2573     Set.prototype.pop = function () {
2574         delete this[this.length--];
2575         return this.items.pop();
2576     };
2577     for (var method in Element.prototype) {
2578         Set.prototype[method] = (function (methodname) {
2579             return function () {
2580                 for (var i = 0, ii = this.items.length; i < ii; i++) {
2581                     this.items[i][methodname].apply(this.items[i], arguments);
2582                 }
2583                 return this;
2584             };
2585         })(method);
2586     }
2587     Set.prototype.attr = function (name, value) {
2588         if (name && R.isArray(name) && typeof name[0] == "object") {
2589             for (var j = 0, jj = name.length; j < jj; j++) {
2590                 this.items[j].attr(name[j]);
2591             }
2592         } else {
2593             for (var i = 0, ii = this.items.length; i < ii; i++) {
2594                 this.items[i].attr.apply(this.items[i], arguments);
2595             }
2596         }
2597         return this;
2598     };
2599
2600     Set.prototype.getBBox = function () {
2601         var x = [],
2602             y = [],
2603             w = [],
2604             h = [];
2605         for (var i = this.items.length; i--;) {
2606             var box = this.items[i].getBBox();
2607             x.push(box.x);
2608             y.push(box.y);
2609             w.push(box.x + box.width);
2610             h.push(box.y + box.height);
2611         }
2612         x = Math.min.apply(Math, x);
2613         y = Math.min.apply(Math, y);
2614         return {
2615             x: x,
2616             y: y,
2617             width: Math.max.apply(Math, w) - x,
2618             height: Math.max.apply(Math, h) - y
2619         };
2620     };
2621
2622     R.registerFont = function (font) {
2623         if (!font.face) {
2624             return font;
2625         }
2626         this.fonts = this.fonts || {};
2627         var fontcopy = {
2628                 w: font.w,
2629                 face: {},
2630                 glyphs: {}
2631             },
2632             family = font.face["font-family"];
2633         for (var prop in font.face) {
2634             fontcopy.face[prop] = font.face[prop];
2635         }
2636         if (this.fonts[family]) {
2637             this.fonts[family].push(fontcopy);
2638         } else {
2639             this.fonts[family] = [fontcopy];
2640         }
2641         if (!font.svg) {
2642             fontcopy.face["units-per-em"] = parseInt(font.face["units-per-em"], 10);
2643             for (var glyph in font.glyphs) {
2644                 var path = font.glyphs[glyph];
2645                 fontcopy.glyphs[glyph] = {
2646                     w: path.w,
2647                     k: {},
2648                     d: path.d && "M" + path.d.replace(/[mlcxtrv]/g, function (command) {
2649                             return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";
2650                         }) + "z"
2651                 };
2652                 if (path.k) {
2653                     for (var k in path.k) {
2654                         fontcopy.glyphs[glyph].k[k] = path.k[k];
2655                     }
2656                 }
2657             }
2658         }
2659         return font;
2660     };
2661     paper.getFont = function (family, weight, style, stretch) {
2662         stretch = stretch || "normal";
2663         style = style || "normal";
2664         weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;
2665         var font = R.fonts[family];
2666         if (!font) {
2667             var name = new RegExp("(^|\\s)" + family.replace(/[^\w\d\s+!~.:_-]/g, "") + "(\\s|$)", "i");
2668             for (var fontName in R.fonts) {
2669                 if (name.test(fontName)) {
2670                     font = R.fonts[fontName];
2671                     break;
2672                 }
2673             }
2674         }
2675         var thefont;
2676         if (font) {
2677             for (var i = 0, ii = font.length; i < ii; i++) {
2678                 thefont = font[i];
2679                 if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {
2680                     break;
2681                 }
2682             }
2683         }
2684         return thefont;
2685     };
2686     paper.print = function (x, y, string, font, size) {
2687         var out = this.set(),
2688             letters = (string + "").split(""),
2689             shift = 0,
2690             path = "",
2691             scale;
2692         typeof font == "string" && (font = this.getFont(font));
2693         if (font) {
2694             scale = (size || 16) / font.face["units-per-em"];
2695             for (var i = 0, ii = letters.length; i < ii; i++) {
2696                 var prev = i && font.glyphs[letters[i - 1]] || {},
2697                     curr = font.glyphs[letters[i]];
2698                 shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) : 0;
2699                 curr && curr.d && out.push(this.path(curr.d).attr({fill: "#000", stroke: "none", translation: [shift, 0]}));
2700             }
2701             out.scale(scale, scale, 0, y).translate(x, (size || 16) / 2);
2702         }
2703         return out;
2704     };
2705
2706     R.format = function (token) {
2707         var args = R.isArray(arguments[1]) ? [0].concat(arguments[1]) : arguments;
2708         token && typeof token == "string" && args.length - 1 && (token = token.replace(/\{(\d+)\}/g, function (str, i) {
2709             return args[++i] || "";
2710         }));
2711         return token;
2712     };
2713     R.ninja = function () {
2714         var r = window.Raphael;
2715         if (oldRaphael.was) {
2716             window.Raphael = oldRaphael.is;
2717         } else {
2718             try {
2719                 delete window.Raphael;
2720             } catch (e) {
2721                 window.Raphael = void(0);
2722             }
2723         }
2724         return r;
2725     };
2726     R.el = Element.prototype;
2727     return R;
2728 })();
Rapheal SVG IE compatible library