projects / raphael / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
1.4.1
[raphael] / raphael.js
1 /*!
2  * Raphael 1.4.1 - JavaScript Vector Library
3  *
4  * Copyright (c) 2010 Dmitry Baranovskiy (http://raphaeljs.com)
5  * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
6  */
7  
8 Raphael = (function () {
9     function R() {
10         if (R.is(arguments[0], array)) {
11             var a = arguments[0],
12                 cnv = create[apply](R, a.splice(0, 3 + R.is(a[0], nu))),
13                 res = cnv.set();
14             for (var i = 0, ii = a[length]; i < ii; i++) {
15                 var j = a[i] || {};
16                 elements.test(j.type) && res[push](cnv[j.type]().attr(j));
17             }
18             return res;
19         }
20         return create[apply](R, arguments);
21     }
22     R.version = "1.4.1";
23     var separator = /[, ]+/,
24         elements = /^(circle|rect|path|ellipse|text|image)$/,
25         proto = "prototype",
26         has = "hasOwnProperty",
27         doc = document,
28         win = window,
29         oldRaphael = {
30             was: Object[proto][has].call(win, "Raphael"),
31             is: win.Raphael
32         },
33         Paper = function () {},
34         appendChild = "appendChild",
35         apply = "apply",
36         concat = "concat",
37         supportsTouch = "createTouch" in doc,
38         E = "",
39         S = " ",
40         split = "split",
41         events = "click dblclick mousedown mousemove mouseout mouseover mouseup"[split](S),
42         touchMap = {
43             mousedown: "touchstart",
44             mousemove: "touchmove",
45             mouseup: "touchend"
46         },
47         join = "join",
48         length = "length",
49         lowerCase = String[proto].toLowerCase,
50         math = Math,
51         mmax = math.max,
52         mmin = math.min,
53         nu = "number",
54         string = "string",
55         array = "array",
56         toString = "toString",
57         fillString = "fill",
58         objectToString = Object[proto][toString],
59         paper = {},
60         pow = math.pow,
61         push = "push",
62         rg = /^(?=[\da-f]$)/,
63         ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i,
64         colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+(?:\s*,\s*[\d\.]+)?)\s*\)|rgba?\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%(?:\s*,\s*[\d\.]+%))\s*\)|hs[bl]\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hs[bl]\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i,
65         round = math.round,
66         setAttribute = "setAttribute",
67         toFloat = parseFloat,
68         toInt = parseInt,
69         ms = " progid:DXImageTransform.Microsoft",
70         upperCase = String[proto].toUpperCase,
71         availableAttrs = {blur: 0, "clip-rect": "0 0 1e9 1e9", cursor: "default", 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},
72         availableAnimAttrs = {along: "along", blur: nu, "clip-rect": "csv", cx: nu, cy: nu, fill: "colour", "fill-opacity": nu, "font-size": nu, height: nu, opacity: nu, path: "path", r: nu, rotation: "csv", rx: nu, ry: nu, scale: "csv", stroke: "colour", "stroke-opacity": nu, "stroke-width": nu, translation: "csv", width: nu, x: nu, y: nu},
73         rp = "replace";
74     R.type = (win.SVGAngle || doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") ? "SVG" : "VML");
75     if (R.type == "VML") {
76         var d = doc.createElement("div");
77         d.innerHTML = '<!--[if vml]><br><br><![endif]-->';
78         if (d.childNodes[length] != 2) {
79             return R.type = null;
80         }
81         d = null;
82     }
83     R.svg = !(R.vml = R.type == "VML");
84     Paper[proto] = R[proto];
85     R._id = 0;
86     R._oid = 0;
87     R.fn = {};
88     R.is = function (o, type) {
89         type = lowerCase.call(type);
90         return  (type == "object" && o === Object(o)) ||
91                 (type == "undefined" && typeof o == type) ||
92                 (type == "null" && o == null) ||
93                 lowerCase.call(objectToString.call(o).slice(8, -1)) == type;
94     };
95
96     R.setWindow = function (newwin) {
97         win = newwin;
98         doc = win.document;
99     };
100     // colour utilities
101     var toHex = function (color) {
102         if (R.vml) {
103             // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/
104             var trim = /^\s+|\s+$/g;
105             toHex = cacher(function (color) {
106                 var bod;
107                 color = (color + E)[rp](trim, E);
108                 try {
109                     var docum = new win.ActiveXObject("htmlfile");
110                     docum.write("<body>");
111                     docum.close();
112                     bod = docum.body;
113                 } catch(e) {
114                     bod = win.createPopup().document.body;
115                 }
116                 var range = bod.createTextRange();
117                 try {
118                     bod.style.color = color;
119                     var value = range.queryCommandValue("ForeColor");
120                     value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);
121                     return "#" + ("000000" + value[toString](16)).slice(-6);
122                 } catch(e) {
123                     return "none";
124                 }
125             });
126         } else {
127             var i = doc.createElement("i");
128             i.title = "Rapha\xebl Colour Picker";
129             i.style.display = "none";
130             doc.body[appendChild](i);
131             toHex = cacher(function (color) {
132                 i.style.color = color;
133                 return doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");
134             });
135         }
136         return toHex(color);
137     };
138     var hsbtoString = function () {
139         return "hsb(" + [this.h, this.s, this.b] + ")";
140     },
141     rgbtoString = function () {
142         return this.hex;
143     };
144     R.hsb2rgb = cacher(function (hue, saturation, brightness) {
145         if (R.is(hue, "object") && "h" in hue && "s" in hue && "b" in hue) {
146             brightness = hue.b;
147             saturation = hue.s;
148             hue = hue.h;
149         }
150         var red,
151             green,
152             blue;
153         if (brightness == 0) {
154             return {r: 0, g: 0, b: 0, hex: "#000"};
155         }
156         if (hue > 1 || saturation > 1 || brightness > 1) {
157             hue /= 255;
158             saturation /= 255;
159             brightness /= 255;
160         }
161         var i = ~~(hue * 6),
162             f = (hue * 6) - i,
163             p = brightness * (1 - saturation),
164             q = brightness * (1 - (saturation * f)),
165             t = brightness * (1 - (saturation * (1 - f)));
166         red = [brightness, q, p, p, t, brightness, brightness][i];
167         green = [t, brightness, brightness, q, p, p, t][i];
168         blue = [p, p, t, brightness, brightness, q, p][i];
169         red *= 255;
170         green *= 255;
171         blue *= 255;
172         var rgb = {r: red, g: green, b: blue, toString: rgbtoString},
173             r = (~~red)[toString](16),
174             g = (~~green)[toString](16),
175             b = (~~blue)[toString](16);
176         r = r[rp](rg, "0");
177         g = g[rp](rg, "0");
178         b = b[rp](rg, "0");
179         rgb.hex = "#" + r + g + b;
180         return rgb;
181     }, R);
182     R.rgb2hsb = cacher(function (red, green, blue) {
183         if (R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
184             blue = red.b;
185             green = red.g;
186             red = red.r;
187         }
188         if (R.is(red, string)) {
189             var clr = R.getRGB(red);
190             red = clr.r;
191             green = clr.g;
192             blue = clr.b;
193         }
194         if (red > 1 || green > 1 || blue > 1) {
195             red /= 255;
196             green /= 255;
197             blue /= 255;
198         }
199         var max = mmax(red, green, blue),
200             min = mmin(red, green, blue),
201             hue,
202             saturation,
203             brightness = max;
204         if (min == max) {
205             return {h: 0, s: 0, b: max};
206         } else {
207             var delta = (max - min);
208             saturation = delta / max;
209             if (red == max) {
210                 hue = (green - blue) / delta;
211             } else if (green == max) {
212                 hue = 2 + ((blue - red) / delta);
213             } else {
214                 hue = 4 + ((red - green) / delta);
215             }
216             hue /= 6;
217             hue < 0 && hue++;
218             hue > 1 && hue--;
219         }
220         return {h: hue, s: saturation, b: brightness, toString: hsbtoString};
221     }, R);
222     var p2s = /,?([achlmqrstvxz]),?/gi,
223         commaSpaces = /\s*,\s*/,
224         hsrg = {hs: 1, rg: 1};
225     R._path2string = function () {
226         return this.join(",")[rp](p2s, "$1");
227     };
228     function cacher(f, scope, postprocessor) {
229         function newf() {
230             var arg = Array[proto].slice.call(arguments, 0),
231                 args = arg[join]("\u25ba"),
232                 cache = newf.cache = newf.cache || {},
233                 count = newf.count = newf.count || [];
234             if (cache[has](args)) {
235                 return postprocessor ? postprocessor(cache[args]) : cache[args];
236             }
237             count[length] >= 1e3 && delete cache[count.shift()];
238             count[push](args);
239             cache[args] = f[apply](scope, arg);
240             return postprocessor ? postprocessor(cache[args]) : cache[args];
241         }
242         return newf;
243     }
244  
245     R.getRGB = cacher(function (colour) {
246         if (!colour || !!((colour = colour + E).indexOf("-") + 1)) {
247             return {r: -1, g: -1, b: -1, hex: "none", error: 1};
248         }
249         if (colour == "none") {
250             return {r: -1, g: -1, b: -1, hex: "none"};
251         }
252         !(hsrg[has](colour.substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));
253         var res,
254             red,
255             green,
256             blue,
257             opacity,
258             t,
259             rgb = colour.match(colourRegExp);
260         if (rgb) {
261             if (rgb[2]) {
262                 blue = toInt(rgb[2].substring(5), 16);
263                 green = toInt(rgb[2].substring(3, 5), 16);
264                 red = toInt(rgb[2].substring(1, 3), 16);
265             }
266             if (rgb[3]) {
267                 blue = toInt((t = rgb[3].charAt(3)) + t, 16);
268                 green = toInt((t = rgb[3].charAt(2)) + t, 16);
269                 red = toInt((t = rgb[3].charAt(1)) + t, 16);
270             }
271             if (rgb[4]) {
272                 rgb = rgb[4][split](commaSpaces);
273                 red = toFloat(rgb[0]);
274                 green = toFloat(rgb[1]);
275                 blue = toFloat(rgb[2]);
276                 opacity = toFloat(rgb[3]);
277             }
278             if (rgb[5]) {
279                 rgb = rgb[5][split](commaSpaces);
280                 red = toFloat(rgb[0]) * 2.55;
281                 green = toFloat(rgb[1]) * 2.55;
282                 blue = toFloat(rgb[2]) * 2.55;
283                 opacity = toFloat(rgb[3]);
284             }
285             if (rgb[6]) {
286                 rgb = rgb[6][split](commaSpaces);
287                 red = toFloat(rgb[0]);
288                 green = toFloat(rgb[1]);
289                 blue = toFloat(rgb[2]);
290                 return R.hsb2rgb(red, green, blue);
291             }
292             if (rgb[7]) {
293                 rgb = rgb[7][split](commaSpaces);
294                 red = toFloat(rgb[0]) * 2.55;
295                 green = toFloat(rgb[1]) * 2.55;
296                 blue = toFloat(rgb[2]) * 2.55;
297                 return R.hsb2rgb(red, green, blue);
298             }
299             rgb = {r: red, g: green, b: blue};
300             var r = (~~red)[toString](16),
301                 g = (~~green)[toString](16),
302                 b = (~~blue)[toString](16);
303             r = r[rp](rg, "0");
304             g = g[rp](rg, "0");
305             b = b[rp](rg, "0");
306             rgb.hex = "#" + r + g + b;
307             isFinite(toFloat(opacity)) && (rgb.o = opacity);
308             return rgb;
309         }
310         return {r: -1, g: -1, b: -1, hex: "none", error: 1};
311     }, R);
312     R.getColor = function (value) {
313         var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},
314             rgb = this.hsb2rgb(start.h, start.s, start.b);
315         start.h += .075;
316         if (start.h > 1) {
317             start.h = 0;
318             start.s -= .2;
319             start.s <= 0 && (this.getColor.start = {h: 0, s: 1, b: start.b});
320         }
321         return rgb.hex;
322     };
323     R.getColor.reset = function () {
324         delete this.start;
325     };
326     // path utilities
327     var pathCommand = /([achlmqstvz])[\s,]*((-?\d*\.?\d*(?:e[-+]?\d+)?\s*,?\s*)+)/ig,
328         pathValues = /(-?\d*\.?\d*(?:e[-+]?\d+)?)\s*,?\s*/ig;
329     R.parsePathString = cacher(function (pathString) {
330         if (!pathString) {
331             return null;
332         }
333         var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0},
334             data = [];
335         if (R.is(pathString, array) && R.is(pathString[0], array)) { // rough assumption
336             data = pathClone(pathString);
337         }
338         if (!data[length]) {
339             (pathString + E)[rp](pathCommand, function (a, b, c) {
340                 var params = [],
341                     name = lowerCase.call(b);
342                 c[rp](pathValues, function (a, b) {
343                     b && params[push](+b);
344                 });
345                 if (name == "m" && params[length] > 2) {
346                     data[push]([b][concat](params.splice(0, 2)));
347                     name = "l";
348                     b = b == "m" ? "l" : "L";
349                 }
350                 while (params[length] >= paramCounts[name]) {
351                     data[push]([b][concat](params.splice(0, paramCounts[name])));
352                     if (!paramCounts[name]) {
353                         break;
354                     }
355                 }
356             });
357         }
358         data[toString] = R._path2string;
359         return data;
360     });
361     R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
362         var t1 = 1 - t,
363             x = pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
364             y = pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y,
365             mx = p1x + 2 * t * (c1x - p1x) + t * t * (c2x - 2 * c1x + p1x),
366             my = p1y + 2 * t * (c1y - p1y) + t * t * (c2y - 2 * c1y + p1y),
367             nx = c1x + 2 * t * (c2x - c1x) + t * t * (p2x - 2 * c2x + c1x),
368             ny = c1y + 2 * t * (c2y - c1y) + t * t * (p2y - 2 * c2y + c1y),
369             ax = (1 - t) * p1x + t * c1x,
370             ay = (1 - t) * p1y + t * c1y,
371             cx = (1 - t) * c2x + t * p2x,
372             cy = (1 - t) * c2y + t * p2y,
373             alpha = (90 - math.atan((mx - nx) / (my - ny)) * 180 / math.PI);
374         (mx > nx || my < ny) && (alpha += 180);
375         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}, alpha: alpha};
376     };
377     var pathDimensions = cacher(function (path) {
378         if (!path) {
379             return {x: 0, y: 0, width: 0, height: 0};
380         }
381         path = path2curve(path);
382         var x = 0, 
383             y = 0,
384             X = [],
385             Y = [],
386             p;
387         for (var i = 0, ii = path[length]; i < ii; i++) {
388             p = path[i];
389             if (p[0] == "M") {
390                 x = p[1];
391                 y = p[2];
392                 X[push](x);
393                 Y[push](y);
394             } else {
395                 var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
396                 X = X[concat](dim.min.x, dim.max.x);
397                 Y = Y[concat](dim.min.y, dim.max.y);
398                 x = p[5];
399                 y = p[6];
400             }
401         }
402         var xmin = mmin[apply](0, X),
403             ymin = mmin[apply](0, Y);
404         return {
405             x: xmin,
406             y: ymin,
407             width: mmax[apply](0, X) - xmin,
408             height: mmax[apply](0, Y) - ymin
409         };
410     }),
411         pathClone = function (pathArray) {
412             var res = [];
413             if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
414                 pathArray = R.parsePathString(pathArray);
415             }
416             for (var i = 0, ii = pathArray[length]; i < ii; i++) {
417                 res[i] = [];
418                 for (var j = 0, jj = pathArray[i][length]; j < jj; j++) {
419                     res[i][j] = pathArray[i][j];
420                 }
421             }
422             res[toString] = R._path2string;
423             return res;
424         },
425         pathToRelative = cacher(function (pathArray) {
426             if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
427                 pathArray = R.parsePathString(pathArray);
428             }
429             var res = [],
430                 x = 0,
431                 y = 0,
432                 mx = 0,
433                 my = 0,
434                 start = 0;
435             if (pathArray[0][0] == "M") {
436                 x = pathArray[0][1];
437                 y = pathArray[0][2];
438                 mx = x;
439                 my = y;
440                 start++;
441                 res[push](["M", x, y]);
442             }
443             for (var i = start, ii = pathArray[length]; i < ii; i++) {
444                 var r = res[i] = [],
445                     pa = pathArray[i];
446                 if (pa[0] != lowerCase.call(pa[0])) {
447                     r[0] = lowerCase.call(pa[0]);
448                     switch (r[0]) {
449                         case "a":
450                             r[1] = pa[1];
451                             r[2] = pa[2];
452                             r[3] = pa[3];
453                             r[4] = pa[4];
454                             r[5] = pa[5];
455                             r[6] = +(pa[6] - x).toFixed(3);
456                             r[7] = +(pa[7] - y).toFixed(3);
457                             break;
458                         case "v":
459                             r[1] = +(pa[1] - y).toFixed(3);
460                             break;
461                         case "m":
462                             mx = pa[1];
463                             my = pa[2];
464                         default:
465                             for (var j = 1, jj = pa[length]; j < jj; j++) {
466                                 r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
467                             }
468                     }
469                 } else {
470                     r = res[i] = [];
471                     if (pa[0] == "m") {
472                         mx = pa[1] + x;
473                         my = pa[2] + y;
474                     }
475                     for (var k = 0, kk = pa[length]; k < kk; k++) {
476                         res[i][k] = pa[k];
477                     }
478                 }
479                 var len = res[i][length];
480                 switch (res[i][0]) {
481                     case "z":
482                         x = mx;
483                         y = my;
484                         break;
485                     case "h":
486                         x += +res[i][len - 1];
487                         break;
488                     case "v":
489                         y += +res[i][len - 1];
490                         break;
491                     default:
492                         x += +res[i][len - 2];
493                         y += +res[i][len - 1];
494                 }
495             }
496             res[toString] = R._path2string;
497             return res;
498         }, 0, pathClone),
499         pathToAbsolute = cacher(function (pathArray) {
500             if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
501                 pathArray = R.parsePathString(pathArray);
502             }
503             var res = [],
504                 x = 0,
505                 y = 0,
506                 mx = 0,
507                 my = 0,
508                 start = 0;
509             if (pathArray[0][0] == "M") {
510                 x = +pathArray[0][1];
511                 y = +pathArray[0][2];
512                 mx = x;
513                 my = y;
514                 start++;
515                 res[0] = ["M", x, y];
516             }
517             for (var i = start, ii = pathArray[length]; i < ii; i++) {
518                 var r = res[i] = [],
519                     pa = pathArray[i];
520                 if (pa[0] != upperCase.call(pa[0])) {
521                     r[0] = upperCase.call(pa[0]);
522                     switch (r[0]) {
523                         case "A":
524                             r[1] = pa[1];
525                             r[2] = pa[2];
526                             r[3] = pa[3];
527                             r[4] = pa[4];
528                             r[5] = pa[5];
529                             r[6] = +(pa[6] + x);
530                             r[7] = +(pa[7] + y);
531                             break;
532                         case "V":
533                             r[1] = +pa[1] + y;
534                             break;
535                         case "H":
536                             r[1] = +pa[1] + x;
537                             break;
538                         case "M":
539                             mx = +pa[1] + x;
540                             my = +pa[2] + y;
541                         default:
542                             for (var j = 1, jj = pa[length]; j < jj; j++) {
543                                 r[j] = +pa[j] + ((j % 2) ? x : y);
544                             }
545                     }
546                 } else {
547                     for (var k = 0, kk = pa[length]; k < kk; k++) {
548                         res[i][k] = pa[k];
549                     }
550                 }
551                 switch (r[0]) {
552                     case "Z":
553                         x = mx;
554                         y = my;
555                         break;
556                     case "H":
557                         x = r[1];
558                         break;
559                     case "V":
560                         y = r[1];
561                         break;
562                     default:
563                         x = res[i][res[i][length] - 2];
564                         y = res[i][res[i][length] - 1];
565                 }
566             }
567             res[toString] = R._path2string;
568             return res;
569         }, null, pathClone),
570         l2c = function (x1, y1, x2, y2) {
571             return [x1, y1, x2, y2, x2, y2];
572         },
573         q2c = function (x1, y1, ax, ay, x2, y2) {
574             var _13 = 1 / 3,
575                 _23 = 2 / 3;
576             return [
577                     _13 * x1 + _23 * ax,
578                     _13 * y1 + _23 * ay,
579                     _13 * x2 + _23 * ax,
580                     _13 * y2 + _23 * ay,
581                     x2,
582                     y2
583                 ];
584         },
585         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
586             // for more information of where this math came from visit:
587             // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
588             var PI = math.PI,
589                 _120 = PI * 120 / 180,
590                 rad = PI / 180 * (+angle || 0),
591                 res = [],
592                 xy,
593                 rotate = cacher(function (x, y, rad) {
594                     var X = x * math.cos(rad) - y * math.sin(rad),
595                         Y = x * math.sin(rad) + y * math.cos(rad);
596                     return {x: X, y: Y};
597                 });
598             if (!recursive) {
599                 xy = rotate(x1, y1, -rad);
600                 x1 = xy.x;
601                 y1 = xy.y;
602                 xy = rotate(x2, y2, -rad);
603                 x2 = xy.x;
604                 y2 = xy.y;
605                 var cos = math.cos(PI / 180 * angle),
606                     sin = math.sin(PI / 180 * angle),
607                     x = (x1 - x2) / 2,
608                     y = (y1 - y2) / 2;
609                 var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
610                 if (h > 1) {
611                     h = math.sqrt(h);
612                     rx = h * rx;
613                     ry = h * ry;
614                 }
615                 var rx2 = rx * rx,
616                     ry2 = ry * ry,
617                     k = (large_arc_flag == sweep_flag ? -1 : 1) *
618                         math.sqrt(math.abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
619                     cx = k * rx * y / ry + (x1 + x2) / 2,
620                     cy = k * -ry * x / rx + (y1 + y2) / 2,
621                     f1 = math.asin(((y1 - cy) / ry).toFixed(7)),
622                     f2 = math.asin(((y2 - cy) / ry).toFixed(7));
623
624                 f1 = x1 < cx ? PI - f1 : f1;
625                 f2 = x2 < cx ? PI - f2 : f2;
626                 f1 < 0 && (f1 = PI * 2 + f1);
627                 f2 < 0 && (f2 = PI * 2 + f2);
628                 if (sweep_flag && f1 > f2) {
629                     f1 = f1 - PI * 2;
630                 }
631                 if (!sweep_flag && f2 > f1) {
632                     f2 = f2 - PI * 2;
633                 }
634             } else {
635                 f1 = recursive[0];
636                 f2 = recursive[1];
637                 cx = recursive[2];
638                 cy = recursive[3];
639             }
640             var df = f2 - f1;
641             if (math.abs(df) > _120) {
642                 var f2old = f2,
643                     x2old = x2,
644                     y2old = y2;
645                 f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
646                 x2 = cx + rx * math.cos(f2);
647                 y2 = cy + ry * math.sin(f2);
648                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
649             }
650             df = f2 - f1;
651             var c1 = math.cos(f1),
652                 s1 = math.sin(f1),
653                 c2 = math.cos(f2),
654                 s2 = math.sin(f2),
655                 t = math.tan(df / 4),
656                 hx = 4 / 3 * rx * t,
657                 hy = 4 / 3 * ry * t,
658                 m1 = [x1, y1],
659                 m2 = [x1 + hx * s1, y1 - hy * c1],
660                 m3 = [x2 + hx * s2, y2 - hy * c2],
661                 m4 = [x2, y2];
662             m2[0] = 2 * m1[0] - m2[0];
663             m2[1] = 2 * m1[1] - m2[1];
664             if (recursive) {
665                 return [m2, m3, m4][concat](res);
666             } else {
667                 res = [m2, m3, m4][concat](res)[join]()[split](",");
668                 var newres = [];
669                 for (var i = 0, ii = res[length]; i < ii; i++) {
670                     newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
671                 }
672                 return newres;
673             }
674         },
675         findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
676             var t1 = 1 - t;
677             return {
678                 x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
679                 y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y
680             };
681         },
682         curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
683             var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
684                 b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
685                 c = p1x - c1x,
686                 t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,
687                 t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,
688                 y = [p1y, p2y],
689                 x = [p1x, p2x],
690                 dot;
691             math.abs(t1) > 1e12 && (t1 = .5);
692             math.abs(t2) > 1e12 && (t2 = .5);
693             if (t1 > 0 && t1 < 1) {
694                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
695                 x[push](dot.x);
696                 y[push](dot.y);
697             }
698             if (t2 > 0 && t2 < 1) {
699                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
700                 x[push](dot.x);
701                 y[push](dot.y);
702             }
703             a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);
704             b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
705             c = p1y - c1y;
706             t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;
707             t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;
708             math.abs(t1) > 1e12 && (t1 = .5);
709             math.abs(t2) > 1e12 && (t2 = .5);
710             if (t1 > 0 && t1 < 1) {
711                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
712                 x[push](dot.x);
713                 y[push](dot.y);
714             }
715             if (t2 > 0 && t2 < 1) {
716                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
717                 x[push](dot.x);
718                 y[push](dot.y);
719             }
720             return {
721                 min: {x: mmin[apply](0, x), y: mmin[apply](0, y)},
722                 max: {x: mmax[apply](0, x), y: mmax[apply](0, y)}
723             };
724         }),
725         path2curve = cacher(function (path, path2) {
726             var p = pathToAbsolute(path),
727                 p2 = path2 && pathToAbsolute(path2),
728                 attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
729                 attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
730                 processPath = function (path, d) {
731                     var nx, ny;
732                     if (!path) {
733                         return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
734                     }
735                     !(path[0] in {T:1, Q:1}) && (d.qx = d.qy = null);
736                     switch (path[0]) {
737                         case "M":
738                             d.X = path[1];
739                             d.Y = path[2];
740                             break;
741                         case "A":
742                             path = ["C"][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));
743                             break;
744                         case "S":
745                             nx = d.x + (d.x - (d.bx || d.x));
746                             ny = d.y + (d.y - (d.by || d.y));
747                             path = ["C", nx, ny][concat](path.slice(1));
748                             break;
749                         case "T":
750                             d.qx = d.x + (d.x - (d.qx || d.x));
751                             d.qy = d.y + (d.y - (d.qy || d.y));
752                             path = ["C"][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
753                             break;
754                         case "Q":
755                             d.qx = path[1];
756                             d.qy = path[2];
757                             path = ["C"][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
758                             break;
759                         case "L":
760                             path = ["C"][concat](l2c(d.x, d.y, path[1], path[2]));
761                             break;
762                         case "H":
763                             path = ["C"][concat](l2c(d.x, d.y, path[1], d.y));
764                             break;
765                         case "V":
766                             path = ["C"][concat](l2c(d.x, d.y, d.x, path[1]));
767                             break;
768                         case "Z":
769                             path = ["C"][concat](l2c(d.x, d.y, d.X, d.Y));
770                             break;
771                     }
772                     return path;
773                 },
774                 fixArc = function (pp, i) {
775                     if (pp[i][length] > 7) {
776                         pp[i].shift();
777                         var pi = pp[i];
778                         while (pi[length]) {
779                             pp.splice(i++, 0, ["C"][concat](pi.splice(0, 6)));
780                         }
781                         pp.splice(i, 1);
782                         ii = mmax(p[length], p2 && p2[length] || 0);
783                     }
784                 },
785                 fixM = function (path1, path2, a1, a2, i) {
786                     if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
787                         path2.splice(i, 0, ["M", a2.x, a2.y]);
788                         a1.bx = 0;
789                         a1.by = 0;
790                         a1.x = path1[i][1];
791                         a1.y = path1[i][2];
792                         ii = mmax(p[length], p2 && p2[length] || 0);
793                     }
794                 };
795             for (var i = 0, ii = mmax(p[length], p2 && p2[length] || 0); i < ii; i++) {
796                 p[i] = processPath(p[i], attrs);
797                 fixArc(p, i);
798                 p2 && (p2[i] = processPath(p2[i], attrs2));
799                 p2 && fixArc(p2, i);
800                 fixM(p, p2, attrs, attrs2, i);
801                 fixM(p2, p, attrs2, attrs, i);
802                 var seg = p[i],
803                     seg2 = p2 && p2[i],
804                     seglen = seg[length],
805                     seg2len = p2 && seg2[length];
806                 attrs.x = seg[seglen - 2];
807                 attrs.y = seg[seglen - 1];
808                 attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
809                 attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
810                 attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
811                 attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
812                 attrs2.x = p2 && seg2[seg2len - 2];
813                 attrs2.y = p2 && seg2[seg2len - 1];
814             }
815             return p2 ? [p, p2] : p;
816         }, null, pathClone),
817         parseDots = cacher(function (gradient) {
818             var dots = [];
819             for (var i = 0, ii = gradient[length]; i < ii; i++) {
820                 var dot = {},
821                     par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
822                 dot.color = R.getRGB(par[1]);
823                 if (dot.color.error) {
824                     return null;
825                 }
826                 dot.color = dot.color.hex;
827                 par[2] && (dot.offset = par[2] + "%");
828                 dots[push](dot);
829             }
830             for (i = 1, ii = dots[length] - 1; i < ii; i++) {
831                 if (!dots[i].offset) {
832                     var start = toFloat(dots[i - 1].offset || 0),
833                         end = 0;
834                     for (var j = i + 1; j < ii; j++) {
835                         if (dots[j].offset) {
836                             end = dots[j].offset;
837                             break;
838                         }
839                     }
840                     if (!end) {
841                         end = 100;
842                         j = ii;
843                     }
844                     end = toFloat(end);
845                     var d = (end - start) / (j - i + 1);
846                     for (; i < j; i++) {
847                         start += d;
848                         dots[i].offset = start + "%";
849                     }
850                 }
851             }
852             return dots;
853         }),
854         getContainer = function (x, y, w, h) {
855             var container;
856             if (R.is(x, string) || R.is(x, "object")) {
857                 container = R.is(x, string) ? doc.getElementById(x) : x;
858                 if (container.tagName) {
859                     if (y == null) {
860                         return {
861                             container: container,
862                             width: container.style.pixelWidth || container.offsetWidth,
863                             height: container.style.pixelHeight || container.offsetHeight
864                         };
865                     } else {
866                         return {container: container, width: y, height: w};
867                     }
868                 }
869             } else {
870                 return {container: 1, x: x, y: y, width: w, height: h};
871             }
872         },
873         plugins = function (con, add) {
874             var that = this;
875             for (var prop in add) {
876                 if (add[has](prop) && !(prop in con)) {
877                     switch (typeof add[prop]) {
878                         case "function":
879                             (function (f) {
880                                 con[prop] = con === that ? f : function () { return f[apply](that, arguments); };
881                             })(add[prop]);
882                         break;
883                         case "object":
884                             con[prop] = con[prop] || {};
885                             plugins.call(this, con[prop], add[prop]);
886                         break;
887                         default:
888                             con[prop] = add[prop];
889                         break;
890                     }
891                 }
892             }
893         },
894         tear = function (el, paper) {
895             el == paper.top && (paper.top = el.prev);
896             el == paper.bottom && (paper.bottom = el.next);
897             el.next && (el.next.prev = el.prev);
898             el.prev && (el.prev.next = el.next);
899         },
900         tofront = function (el, paper) {
901             if (paper.top === el) {
902                 return;
903             }
904             tear(el, paper);
905             el.next = null;
906             el.prev = paper.top;
907             paper.top.next = el;
908             paper.top = el;
909         },
910         toback = function (el, paper) {
911             if (paper.bottom === el) {
912                 return;
913             }
914             tear(el, paper);
915             el.next = paper.bottom;
916             el.prev = null;
917             paper.bottom.prev = el;
918             paper.bottom = el;
919         },
920         insertafter = function (el, el2, paper) {
921             tear(el, paper);
922             el2 == paper.top && (paper.top = el);
923             el2.next && (el2.next.prev = el);
924             el.next = el2.next;
925             el.prev = el2;
926             el2.next = el;
927         },
928         insertbefore = function (el, el2, paper) {
929             tear(el, paper);
930             el2 == paper.bottom && (paper.bottom = el);
931             el2.prev && (el2.prev.next = el);
932             el.prev = el2.prev;
933             el2.prev = el;
934             el.next = el2;
935         },
936         removed = function (methodname) {
937             return function () {
938                 throw new Error("Rapha\xebl: you are calling to method \u201c" + methodname + "\u201d of removed object");
939             };
940         },
941         radial_gradient = /^r(?:\(([^,]+?)\s*,\s*([^\)]+?)\))?/;
942  
943     // SVG
944     if (R.svg) {
945         Paper[proto].svgns = "http://www.w3.org/2000/svg";
946         Paper[proto].xlink = "http://www.w3.org/1999/xlink";
947         round = function (num) {
948             return +num + (~~num === num) * .5;
949         };
950         var $ = function (el, attr) {
951             if (attr) {
952                 for (var key in attr) {
953                     if (attr[has](key)) {
954                         el[setAttribute](key, attr[key] + E);
955                     }
956                 }
957             } else {
958                 el = doc.createElementNS(Paper[proto].svgns, el);
959                 el.style.webkitTapHighlightColor = "rgba(0,0,0,0)";
960                 return el;
961             }
962         };
963         R[toString] = function () {
964             return  "Your browser supports SVG.\nYou are running Rapha\xebl " + this.version;
965         };
966         var thePath = function (pathString, SVG) {
967             var el = $("path");
968             SVG.canvas && SVG.canvas[appendChild](el);
969             var p = new Element(el, SVG);
970             p.type = "path";
971             setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});
972             return p;
973         };
974         var addGradientFill = function (o, gradient, SVG) {
975             var type = "linear",
976                 fx = .5, fy = .5,
977                 s = o.style;
978             gradient = (gradient + E)[rp](radial_gradient, function (all, _fx, _fy) {
979                 type = "radial";
980                 if (_fx && _fy) {
981                     fx = toFloat(_fx);
982                     fy = toFloat(_fy);
983                     var dir = ((fy > .5) * 2 - 1);
984                     pow(fx - .5, 2) + pow(fy - .5, 2) > .25 &&
985                         (fy = math.sqrt(.25 - pow(fx - .5, 2)) * dir + .5) &&
986                         fy != .5 &&
987                         (fy = fy.toFixed(5) - 1e-5 * dir);
988                 }
989                 return E;
990             });
991             gradient = gradient[split](/\s*\-\s*/);
992             if (type == "linear") {
993                 var angle = gradient.shift();
994                 angle = -toFloat(angle);
995                 if (isNaN(angle)) {
996                     return null;
997                 }
998                 var vector = [0, 0, math.cos(angle * math.PI / 180), math.sin(angle * math.PI / 180)],
999                     max = 1 / (mmax(math.abs(vector[2]), math.abs(vector[3])) || 1);
1000                 vector[2] *= max;
1001                 vector[3] *= max;
1002                 if (vector[2] < 0) {
1003                     vector[0] = -vector[2];
1004                     vector[2] = 0;
1005                 }
1006                 if (vector[3] < 0) {
1007                     vector[1] = -vector[3];
1008                     vector[3] = 0;
1009                 }
1010             }
1011             var dots = parseDots(gradient);
1012             if (!dots) {
1013                 return null;
1014             }
1015             var id = o.getAttribute(fillString);
1016             id = id.match(/^url\(#(.*)\)$/);
1017             id && SVG.defs.removeChild(doc.getElementById(id[1]));
1018             
1019             var el = $(type + "Gradient");
1020             el.id = "r" + (R._id++)[toString](36);
1021             $(el, type == "radial" ? {fx: fx, fy: fy} : {x1: vector[0], y1: vector[1], x2: vector[2], y2: vector[3]});
1022             SVG.defs[appendChild](el);
1023             for (var i = 0, ii = dots[length]; i < ii; i++) {
1024                 var stop = $("stop");
1025                 $(stop, {
1026                     offset: dots[i].offset ? dots[i].offset : !i ? "0%" : "100%",
1027                     "stop-color": dots[i].color || "#fff"
1028                 });
1029                 el[appendChild](stop);
1030             }
1031             $(o, {
1032                 fill: "url(#" + el.id + ")",
1033                 opacity: 1,
1034                 "fill-opacity": 1
1035             });
1036             s.fill = E;
1037             s.opacity = 1;
1038             s.fillOpacity = 1;
1039             return 1;
1040         };
1041         var updatePosition = function (o) {
1042             var bbox = o.getBBox();
1043             $(o.pattern, {patternTransform: R.format("translate({0},{1})", bbox.x, bbox.y)});
1044         };
1045         var setFillAndStroke = function (o, params) {
1046             var dasharray = {
1047                     "": [0],
1048                     "none": [0],
1049                     "-": [3, 1],
1050                     ".": [1, 1],
1051                     "-.": [3, 1, 1, 1],
1052                     "-..": [3, 1, 1, 1, 1, 1],
1053                     ". ": [1, 3],
1054                     "- ": [4, 3],
1055                     "--": [8, 3],
1056                     "- .": [4, 3, 1, 3],
1057                     "--.": [8, 3, 1, 3],
1058                     "--..": [8, 3, 1, 3, 1, 3]
1059                 },
1060                 node = o.node,
1061                 attrs = o.attrs,
1062                 rot = o.rotate(),
1063                 addDashes = function (o, value) {
1064                     value = dasharray[lowerCase.call(value)];
1065                     if (value) {
1066                         var width = o.attrs["stroke-width"] || "1",
1067                             butt = {round: width, square: width, butt: 0}[o.attrs["stroke-linecap"] || params["stroke-linecap"]] || 0,
1068                             dashes = [];
1069                         var i = value[length];
1070                         while (i--) {
1071                             dashes[i] = value[i] * width + ((i % 2) ? 1 : -1) * butt;
1072                         }
1073                         $(node, {"stroke-dasharray": dashes[join](",")});
1074                     }
1075                 };
1076             params[has]("rotation") && (rot = params.rotation);
1077             var rotxy = (rot + E)[split](separator);
1078             if (!(rotxy.length - 1)) {
1079                 rotxy = null;
1080             } else {
1081                 rotxy[1] = +rotxy[1];
1082                 rotxy[2] = +rotxy[2];
1083             }
1084             toFloat(rot) && o.rotate(0, true);
1085             for (var att in params) {
1086                 if (params[has](att)) {
1087                     if (!availableAttrs[has](att)) {
1088                         continue;
1089                     }
1090                     var value = params[att];
1091                     attrs[att] = value;
1092                     switch (att) {
1093                         case "blur":
1094                             o.blur(value);
1095                             break;
1096                         case "rotation":
1097                             o.rotate(value, true);
1098                             break;
1099                         case "href":
1100                         case "title":
1101                         case "target":
1102                             var pn = node.parentNode;
1103                             if (lowerCase.call(pn.tagName) != "a") {
1104                                 var hl = $("a");
1105                                 pn.insertBefore(hl, node);
1106                                 hl[appendChild](node);
1107                                 pn = hl;
1108                             }
1109                             pn.setAttributeNS(o.paper.xlink, att, value);
1110                             break;
1111                         case "cursor":
1112                             node.style.cursor = value;
1113                             break;
1114                         case "clip-rect":
1115                             var rect = (value + E)[split](separator);
1116                             if (rect[length] == 4) {
1117                                 o.clip && o.clip.parentNode.parentNode.removeChild(o.clip.parentNode);
1118                                 var el = $("clipPath"),
1119                                     rc = $("rect");
1120                                 el.id = "r" + (R._id++)[toString](36);
1121                                 $(rc, {
1122                                     x: rect[0],
1123                                     y: rect[1],
1124                                     width: rect[2],
1125                                     height: rect[3]
1126                                 });
1127                                 el[appendChild](rc);
1128                                 o.paper.defs[appendChild](el);
1129                                 $(node, {"clip-path": "url(#" + el.id + ")"});
1130                                 o.clip = rc;
1131                             }
1132                             if (!value) {
1133                                 var clip = doc.getElementById(node.getAttribute("clip-path")[rp](/(^url\(#|\)$)/g, E));
1134                                 clip && clip.parentNode.removeChild(clip);
1135                                 $(node, {"clip-path": E});
1136                                 delete o.clip;
1137                             }
1138                         break;
1139                         case "path":
1140                             if (o.type == "path") {
1141                                 $(node, {d: value ? attrs.path = pathToAbsolute(value) : "M0,0"});
1142                             }
1143                             break;
1144                         case "width":
1145                             node[setAttribute](att, value);
1146                             if (attrs.fx) {
1147                                 att = "x";
1148                                 value = attrs.x;
1149                             } else {
1150                                 break;
1151                             }
1152                         case "x":
1153                             if (attrs.fx) {
1154                                 value = -attrs.x - (attrs.width || 0);
1155                             }
1156                         case "rx":
1157                             if (att == "rx" && o.type == "rect") {
1158                                 break;
1159                             }
1160                         case "cx":
1161                             rotxy && (att == "x" || att == "cx") && (rotxy[1] += value - attrs[att]);
1162                             node[setAttribute](att, round(value));
1163                             o.pattern && updatePosition(o);
1164                             break;
1165                         case "height":
1166                             node[setAttribute](att, value);
1167                             if (attrs.fy) {
1168                                 att = "y";
1169                                 value = attrs.y;
1170                             } else {
1171                                 break;
1172                             }
1173                         case "y":
1174                             if (attrs.fy) {
1175                                 value = -attrs.y - (attrs.height || 0);
1176                             }
1177                         case "ry":
1178                             if (att == "ry" && o.type == "rect") {
1179                                 break;
1180                             }
1181                         case "cy":
1182                             rotxy && (att == "y" || att == "cy") && (rotxy[2] += value - attrs[att]);
1183                             node[setAttribute](att, round(value));
1184                             o.pattern && updatePosition(o);
1185                             break;
1186                         case "r":
1187                             if (o.type == "rect") {
1188                                 $(node, {rx: value, ry: value});
1189                             } else {
1190                                 node[setAttribute](att, value);
1191                             }
1192                             break;
1193                         case "src":
1194                             if (o.type == "image") {
1195                                 node.setAttributeNS(o.paper.xlink, "href", value);
1196                             }
1197                             break;
1198                         case "stroke-width":
1199                             node.style.strokeWidth = value;
1200                             // Need following line for Firefox
1201                             node[setAttribute](att, value);
1202                             if (attrs["stroke-dasharray"]) {
1203                                 addDashes(o, attrs["stroke-dasharray"]);
1204                             }
1205                             break;
1206                         case "stroke-dasharray":
1207                             addDashes(o, value);
1208                             break;
1209                         case "translation":
1210                             var xy = (value + E)[split](separator);
1211                             xy[0] = +xy[0] || 0;
1212                             xy[1] = +xy[1] || 0;
1213                             if (rotxy) {
1214                                 rotxy[1] += xy[0];
1215                                 rotxy[2] += xy[1];
1216                             }
1217                             translate.call(o, xy[0], xy[1]);
1218                             break;
1219                         case "scale":
1220                             xy = (value + E)[split](separator);
1221                             o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, isNaN(toFloat(xy[2])) ? null : +xy[2], isNaN(toFloat(xy[3])) ? null : +xy[3]);
1222                             break;
1223                         case fillString:
1224                             var isURL = (value + E).match(ISURL);
1225                             if (isURL) {
1226                                 el = $("pattern");
1227                                 var ig = $("image");
1228                                 el.id = "r" + (R._id++)[toString](36);
1229                                 $(el, {x: 0, y: 0, patternUnits: "userSpaceOnUse", height: 1, width: 1});
1230                                 $(ig, {x: 0, y: 0});
1231                                 ig.setAttributeNS(o.paper.xlink, "href", isURL[1]);
1232                                 el[appendChild](ig);
1233  
1234                                 var img = doc.createElement("img");
1235                                 img.style.cssText = "position:absolute;left:-9999em;top-9999em";
1236                                 img.onload = function () {
1237                                     $(el, {width: this.offsetWidth, height: this.offsetHeight});
1238                                     $(ig, {width: this.offsetWidth, height: this.offsetHeight});
1239                                     doc.body.removeChild(this);
1240                                     o.paper.safari();
1241                                 };
1242                                 doc.body[appendChild](img);
1243                                 img.src = isURL[1];
1244                                 o.paper.defs[appendChild](el);
1245                                 node.style.fill = "url(#" + el.id + ")";
1246                                 $(node, {fill: "url(#" + el.id + ")"});
1247                                 o.pattern = el;
1248                                 o.pattern && updatePosition(o);
1249                                 break;
1250                             }
1251                             var clr = R.getRGB(value);
1252                             if (!clr.error) {
1253                                 delete params.gradient;
1254                                 delete attrs.gradient;
1255                                 !R.is(attrs.opacity, "undefined") &&
1256                                     R.is(params.opacity, "undefined") &&
1257                                     $(node, {opacity: attrs.opacity});
1258                                 !R.is(attrs["fill-opacity"], "undefined") &&
1259                                     R.is(params["fill-opacity"], "undefined") &&
1260                                     $(node, {"fill-opacity": attrs["fill-opacity"]});
1261                             } else if ((({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper)) {
1262                                 attrs.gradient = value;
1263                                 attrs.fill = "none";
1264                                 break;
1265                             }
1266                             clr[has]("o") && $(node, {"fill-opacity": clr.o / 100});
1267                         case "stroke":
1268                             clr = R.getRGB(value);
1269                             node[setAttribute](att, clr.hex);
1270                             att == "stroke" && clr[has]("o") && $(node, {"stroke-opacity": clr.o / 100});
1271                             break;
1272                         case "gradient":
1273                             (({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper);
1274                             break;
1275                         case "opacity":
1276                         case "fill-opacity":
1277                             if (attrs.gradient) {
1278                                 var gradient = doc.getElementById(node.getAttribute(fillString)[rp](/^url\(#|\)$/g, E));
1279                                 if (gradient) {
1280                                     var stops = gradient.getElementsByTagName("stop");
1281                                     stops[stops[length] - 1][setAttribute]("stop-opacity", value);
1282                                 }
1283                                 break;
1284                             }
1285                         default:
1286                             att == "font-size" && (value = toInt(value, 10) + "px");
1287                             var cssrule = att[rp](/(\-.)/g, function (w) {
1288                                 return upperCase.call(w.substring(1));
1289                             });
1290                             node.style[cssrule] = value;
1291                             // Need following line for Firefox
1292                             node[setAttribute](att, value);
1293                             break;
1294                     }
1295                 }
1296             }
1297             
1298             tuneText(o, params);
1299             if (rotxy) {
1300                 o.rotate(rotxy.join(S));
1301             } else {
1302                 toFloat(rot) && o.rotate(rot, true);
1303             }
1304         };
1305         var leading = 1.2,
1306         tuneText = function (el, params) {
1307             if (el.type != "text" || !(params[has]("text") || params[has]("font") || params[has]("font-size") || params[has]("x") || params[has]("y"))) {
1308                 return;
1309             }
1310             var a = el.attrs,
1311                 node = el.node,
1312                 fontSize = node.firstChild ? toInt(doc.defaultView.getComputedStyle(node.firstChild, E).getPropertyValue("font-size"), 10) : 10;
1313  
1314             if (params[has]("text")) {
1315                 a.text = params.text;
1316                 while (node.firstChild) {
1317                     node.removeChild(node.firstChild);
1318                 }
1319                 var texts = (params.text + E)[split]("\n");
1320                 for (var i = 0, ii = texts[length]; i < ii; i++) if (texts[i]) {
1321                     var tspan = $("tspan");
1322                     i && $(tspan, {dy: fontSize * leading, x: a.x});
1323                     tspan[appendChild](doc.createTextNode(texts[i]));
1324                     node[appendChild](tspan);
1325                 }
1326             } else {
1327                 texts = node.getElementsByTagName("tspan");
1328                 for (i = 0, ii = texts[length]; i < ii; i++) {
1329                     i && $(texts[i], {dy: fontSize * leading, x: a.x});
1330                 }
1331             }
1332             $(node, {y: a.y});
1333             var bb = el.getBBox(),
1334                 dif = a.y - (bb.y + bb.height / 2);
1335             dif && isFinite(dif) && $(node, {y: a.y + dif});
1336         },
1337         Element = function (node, svg) {
1338             var X = 0,
1339                 Y = 0;
1340             this[0] = node;
1341             this.id = R._oid++;
1342             this.node = node;
1343             node.raphael = this;
1344             this.paper = svg;
1345             this.attrs = this.attrs || {};
1346             this.transformations = []; // rotate, translate, scale
1347             this._ = {
1348                 tx: 0,
1349                 ty: 0,
1350                 rt: {deg: 0, cx: 0, cy: 0},
1351                 sx: 1,
1352                 sy: 1
1353             };
1354             !svg.bottom && (svg.bottom = this);
1355             this.prev = svg.top;
1356             svg.top && (svg.top.next = this);
1357             svg.top = this;
1358             this.next = null;
1359         };
1360         Element[proto].rotate = function (deg, cx, cy) {
1361             if (this.removed) {
1362                 return this;
1363             }
1364             if (deg == null) {
1365                 if (this._.rt.cx) {
1366                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
1367                 }
1368                 return this._.rt.deg;
1369             }
1370             var bbox = this.getBBox();
1371             deg = (deg + E)[split](separator);
1372             if (deg[length] - 1) {
1373                 cx = toFloat(deg[1]);
1374                 cy = toFloat(deg[2]);
1375             }
1376             deg = toFloat(deg[0]);
1377             if (cx != null) {
1378                 this._.rt.deg = deg;
1379             } else {
1380                 this._.rt.deg += deg;
1381             }
1382             (cy == null) && (cx = null);
1383             this._.rt.cx = cx;
1384             this._.rt.cy = cy;
1385             cx = cx == null ? bbox.x + bbox.width / 2 : cx;
1386             cy = cy == null ? bbox.y + bbox.height / 2 : cy;
1387             if (this._.rt.deg) {
1388                 this.transformations[0] = R.format("rotate({0} {1} {2})", this._.rt.deg, cx, cy);
1389                 this.clip && $(this.clip, {transform: R.format("rotate({0} {1} {2})", -this._.rt.deg, cx, cy)});
1390             } else {
1391                 this.transformations[0] = E;
1392                 this.clip && $(this.clip, {transform: E});
1393             }
1394             $(this.node, {transform: this.transformations[join](S)});
1395             return this;
1396         };
1397         Element[proto].hide = function () {
1398             !this.removed && (this.node.style.display = "none");
1399             return this;
1400         };
1401         Element[proto].show = function () {
1402             !this.removed && (this.node.style.display = "");
1403             return this;
1404         };
1405         Element[proto].remove = function () {
1406             if (this.removed) {
1407                 return;
1408             }
1409             tear(this, this.paper);
1410             this.node.parentNode.removeChild(this.node);
1411             for (var i in this) {
1412                 delete this[i];
1413             }
1414             this.removed = true;
1415         };
1416         Element[proto].getBBox = function () {
1417             if (this.removed) {
1418                 return this;
1419             }
1420             if (this.type == "path") {
1421                 return pathDimensions(this.attrs.path);
1422             }
1423             if (this.node.style.display == "none") {
1424                 this.show();
1425                 var hide = true;
1426             }
1427             var bbox = {};
1428             try {
1429                 bbox = this.node.getBBox();
1430             } catch(e) {
1431                 // Firefox 3.0.x plays badly here
1432             } finally {
1433                 bbox = bbox || {};
1434             }
1435             if (this.type == "text") {
1436                 bbox = {x: bbox.x, y: Infinity, width: 0, height: 0};
1437                 for (var i = 0, ii = this.node.getNumberOfChars(); i < ii; i++) {
1438                     var bb = this.node.getExtentOfChar(i);
1439                     (bb.y < bbox.y) && (bbox.y = bb.y);
1440                     (bb.y + bb.height - bbox.y > bbox.height) && (bbox.height = bb.y + bb.height - bbox.y);
1441                     (bb.x + bb.width - bbox.x > bbox.width) && (bbox.width = bb.x + bb.width - bbox.x);
1442                 }
1443             }
1444             hide && this.hide();
1445             return bbox;
1446         };
1447         Element[proto].attr = function (name, value) {
1448             if (this.removed) {
1449                 return this;
1450             }
1451             if (name == null) {
1452                 var res = {};
1453                 for (var i in this.attrs) if (this.attrs[has](i)) {
1454                     res[i] = this.attrs[i];
1455                 }
1456                 this._.rt.deg && (res.rotation = this.rotate());
1457                 (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
1458                 res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
1459                 return res;
1460             }
1461             if (value == null && R.is(name, string)) {
1462                 if (name == "translation") {
1463                     return translate.call(this);
1464                 }
1465                 if (name == "rotation") {
1466                     return this.rotate();
1467                 }
1468                 if (name == "scale") {
1469                     return this.scale();
1470                 }
1471                 if (name == fillString && this.attrs.fill == "none" && this.attrs.gradient) {
1472                     return this.attrs.gradient;
1473                 }
1474                 return this.attrs[name];
1475             }
1476             if (value == null && R.is(name, array)) {
1477                 var values = {};
1478                 for (var j = 0, jj = name.length; j < jj; j++) {
1479                     values[name[j]] = this.attr(name[j]);
1480                 }
1481                 return values;
1482             }
1483             if (value != null) {
1484                 var params = {};
1485                 params[name] = value;
1486                 setFillAndStroke(this, params);
1487             } else if (name != null && R.is(name, "object")) {
1488                 setFillAndStroke(this, name);
1489             }
1490             return this;
1491         };
1492         Element[proto].toFront = function () {
1493             if (this.removed) {
1494                 return this;
1495             }
1496             this.node.parentNode[appendChild](this.node);
1497             var svg = this.paper;
1498             svg.top != this && tofront(this, svg);
1499             return this;
1500         };
1501         Element[proto].toBack = function () {
1502             if (this.removed) {
1503                 return this;
1504             }
1505             if (this.node.parentNode.firstChild != this.node) {
1506                 this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);
1507                 toback(this, this.paper);
1508                 var svg = this.paper;
1509             }
1510             return this;
1511         };
1512         Element[proto].insertAfter = function (element) {
1513             if (this.removed) {
1514                 return this;
1515             }
1516             var node = element.node;
1517             if (node.nextSibling) {
1518                 node.parentNode.insertBefore(this.node, node.nextSibling);
1519             } else {
1520                 node.parentNode[appendChild](this.node);
1521             }
1522             insertafter(this, element, this.paper);
1523             return this;
1524         };
1525         Element[proto].insertBefore = function (element) {
1526             if (this.removed) {
1527                 return this;
1528             }
1529             var node = element.node;
1530             node.parentNode.insertBefore(this.node, node);
1531             insertbefore(this, element, this.paper);
1532             return this;
1533         };
1534         Element[proto].blur = function (size) {
1535             // Experimental. No Safari support. Use it on your own risk.
1536             var t = this;
1537             if (+size !== 0) {
1538                 var fltr = $("filter"),
1539                     blur = $("feGaussianBlur");
1540                 t.attrs.blur = size;
1541                 fltr.id = "r" + (R._id++)[toString](36);
1542                 $(blur, {stdDeviation: +size || 1.5});
1543                 fltr.appendChild(blur);
1544                 t.paper.defs.appendChild(fltr);
1545                 t._blur = fltr;
1546                 $(t.node, {filter: "url(#" + fltr.id + ")"});
1547             } else {
1548                 if (t._blur) {
1549                     t._blur.parentNode.removeChild(t._blur);
1550                     delete t._blur;
1551                     delete t.attrs.blur;
1552                 }
1553                 t.node.removeAttribute("filter");
1554             }
1555         };
1556         var theCircle = function (svg, x, y, r) {
1557             x = round(x);
1558             y = round(y);
1559             var el = $("circle");
1560             svg.canvas && svg.canvas[appendChild](el);
1561             var res = new Element(el, svg);
1562             res.attrs = {cx: x, cy: y, r: r, fill: "none", stroke: "#000"};
1563             res.type = "circle";
1564             $(el, res.attrs);
1565             return res;
1566         };
1567         var theRect = function (svg, x, y, w, h, r) {
1568             x = round(x);
1569             y = round(y);
1570             var el = $("rect");
1571             svg.canvas && svg.canvas[appendChild](el);
1572             var res = new Element(el, svg);
1573             res.attrs = {x: x, y: y, width: w, height: h, r: r || 0, rx: r || 0, ry: r || 0, fill: "none", stroke: "#000"};
1574             res.type = "rect";
1575             $(el, res.attrs);
1576             return res;
1577         };
1578         var theEllipse = function (svg, x, y, rx, ry) {
1579             x = round(x);
1580             y = round(y);
1581             var el = $("ellipse");
1582             svg.canvas && svg.canvas[appendChild](el);
1583             var res = new Element(el, svg);
1584             res.attrs = {cx: x, cy: y, rx: rx, ry: ry, fill: "none", stroke: "#000"};
1585             res.type = "ellipse";
1586             $(el, res.attrs);
1587             return res;
1588         };
1589         var theImage = function (svg, src, x, y, w, h) {
1590             var el = $("image");
1591             $(el, {x: x, y: y, width: w, height: h, preserveAspectRatio: "none"});
1592             el.setAttributeNS(svg.xlink, "href", src);
1593             svg.canvas && svg.canvas[appendChild](el);
1594             var res = new Element(el, svg);
1595             res.attrs = {x: x, y: y, width: w, height: h, src: src};
1596             res.type = "image";
1597             return res;
1598         };
1599         var theText = function (svg, x, y, text) {
1600             var el = $("text");
1601             $(el, {x: x, y: y, "text-anchor": "middle"});
1602             svg.canvas && svg.canvas[appendChild](el);
1603             var res = new Element(el, svg);
1604             res.attrs = {x: x, y: y, "text-anchor": "middle", text: text, font: availableAttrs.font, stroke: "none", fill: "#000"};
1605             res.type = "text";
1606             setFillAndStroke(res, res.attrs);
1607             return res;
1608         };
1609         var setSize = function (width, height) {
1610             this.width = width || this.width;
1611             this.height = height || this.height;
1612             this.canvas[setAttribute]("width", this.width);
1613             this.canvas[setAttribute]("height", this.height);
1614             return this;
1615         };
1616         var create = function () {
1617             var con = getContainer[apply](0, arguments),
1618                 container = con && con.container,
1619                 x = con.x,
1620                 y = con.y,
1621                 width = con.width,
1622                 height = con.height;
1623             if (!container) {
1624                 throw new Error("SVG container not found.");
1625             }
1626             var cnvs = $("svg");
1627             x = x || 0;
1628             y = y || 0;
1629             width = width || 512;
1630             height = height || 342;
1631             $(cnvs, {
1632                 xmlns: "http://www.w3.org/2000/svg",
1633                 version: 1.1,
1634                 width: width,
1635                 height: height
1636             });
1637             if (container == 1) {
1638                 cnvs.style.cssText = "position:absolute;left:" + x + "px;top:" + y + "px";
1639                 doc.body[appendChild](cnvs);
1640             } else {
1641                 if (container.firstChild) {
1642                     container.insertBefore(cnvs, container.firstChild);
1643                 } else {
1644                     container[appendChild](cnvs);
1645                 }
1646             }
1647             container = new Paper;
1648             container.width = width;
1649             container.height = height;
1650             container.canvas = cnvs;
1651             plugins.call(container, container, R.fn);
1652             container.clear();
1653             return container;
1654         };
1655         Paper[proto].clear = function () {
1656             var c = this.canvas;
1657             while (c.firstChild) {
1658                 c.removeChild(c.firstChild);
1659             }
1660             this.bottom = this.top = null;
1661             (this.desc = $("desc"))[appendChild](doc.createTextNode("Created with Rapha\xebl"));
1662             c[appendChild](this.desc);
1663             c[appendChild](this.defs = $("defs"));
1664         };
1665         Paper[proto].remove = function () {
1666             this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);
1667             for (var i in this) {
1668                 this[i] = removed(i);
1669             }
1670         };
1671     }
1672
1673     // VML
1674     if (R.vml) {
1675         var map = {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},
1676             bites = /([clmz]),?([^clmz]*)/gi,
1677             val = /-?[^,\s-]+/g,
1678             coordsize = 1e3 + S + 1e3,
1679             zoom = 10,
1680             pathlike = {path: 1, rect: 1},
1681             path2vml = function (path) {
1682                 var total =  /[ahqstv]/ig,
1683                     command = pathToAbsolute;
1684                 (path + E).match(total) && (command = path2curve);
1685                 total = /[clmz]/g;
1686                 if (command == pathToAbsolute && !(path + E).match(total)) {
1687                     var res = (path + E)[rp](bites, function (all, command, args) {
1688                         var vals = [],
1689                             isMove = lowerCase.call(command) == "m",
1690                             res = map[command];
1691                         args[rp](val, function (value) {
1692                             if (isMove && vals[length] == 2) {
1693                                 res += vals + map[command == "m" ? "l" : "L"];
1694                                 vals = [];
1695                             }
1696                             vals[push](round(value * zoom));
1697                         });
1698                         return res + vals;
1699                     });
1700                     return res;
1701                 }
1702                 var pa = command(path), p, r;
1703                 res = [];
1704                 for (var i = 0, ii = pa[length]; i < ii; i++) {
1705                     p = pa[i];
1706                     r = lowerCase.call(pa[i][0]);
1707                     r == "z" && (r = "x");
1708                     for (var j = 1, jj = p[length]; j < jj; j++) {
1709                         r += round(p[j] * zoom) + (j != jj - 1 ? "," : E);
1710                     }
1711                     res[push](r);
1712                 }
1713                 return res[join](S);
1714             };
1715         
1716         R[toString] = function () {
1717             return  "Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl " + this.version;
1718         };
1719         thePath = function (pathString, vml) {
1720             var g = createNode("group");
1721             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
1722             g.coordsize = vml.coordsize;
1723             g.coordorigin = vml.coordorigin;
1724             var el = createNode("shape"), ol = el.style;
1725             ol.width = vml.width + "px";
1726             ol.height = vml.height + "px";
1727             el.coordsize = coordsize;
1728             el.coordorigin = vml.coordorigin;
1729             g[appendChild](el);
1730             var p = new Element(el, g, vml),
1731                 attr = {fill: "none", stroke: "#000"};
1732             pathString && (attr.path = pathString);
1733             p.isAbsolute = true;
1734             p.type = "path";
1735             p.path = [];
1736             p.Path = E;
1737             setFillAndStroke(p, attr);
1738             vml.canvas[appendChild](g);
1739             return p;
1740         };
1741         setFillAndStroke = function (o, params) {
1742             o.attrs = o.attrs || {};
1743             var node = o.node,
1744                 a = o.attrs,
1745                 s = node.style,
1746                 xy,
1747                 newpath = (params.x != a.x || params.y != a.y || params.width != a.width || params.height != a.height || params.r != a.r) && o.type == "rect",
1748                 res = o;
1749             
1750             for (var par in params) if (params[has](par)) {
1751                 a[par] = params[par];
1752             }
1753             if (newpath) {
1754                 a.path = rectPath(a.x, a.y, a.width, a.height, a.r);
1755                 o.X = a.x;
1756                 o.Y = a.y;
1757                 o.W = a.width;
1758                 o.H = a.height;
1759             }
1760             params.href && (node.href = params.href);
1761             params.title && (node.title = params.title);
1762             params.target && (node.target = params.target);
1763             params.cursor && (s.cursor = params.cursor);
1764             "blur" in params && o.blur(params.blur);
1765             if (params.path && o.type == "path" || newpath) {
1766                     node.path = path2vml(a.path);
1767             }
1768             if (params.rotation != null) {
1769                 o.rotate(params.rotation, true);
1770             }
1771             if (params.translation) {
1772                 xy = (params.translation + E)[split](separator);
1773                 translate.call(o, xy[0], xy[1]);
1774                 if (o._.rt.cx != null) {
1775                     o._.rt.cx +=+ xy[0];
1776                     o._.rt.cy +=+ xy[1];
1777                     o.setBox(o.attrs, xy[0], xy[1]);
1778                 }
1779             }
1780             if (params.scale) {
1781                 xy = (params.scale + E)[split](separator);
1782                 o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);
1783             }
1784             if ("clip-rect" in params) {
1785                 var rect = (params["clip-rect"] + E)[split](separator);
1786                 if (rect[length] == 4) {
1787                     rect[2] = +rect[2] + (+rect[0]);
1788                     rect[3] = +rect[3] + (+rect[1]);
1789                     var div = node.clipRect || doc.createElement("div"),
1790                         dstyle = div.style,
1791                         group = node.parentNode;
1792                     dstyle.clip = R.format("rect({1}px {2}px {3}px {0}px)", rect);
1793                     if (!node.clipRect) {
1794                         dstyle.position = "absolute";
1795                         dstyle.top = 0;
1796                         dstyle.left = 0;
1797                         dstyle.width = o.paper.width + "px";
1798                         dstyle.height = o.paper.height + "px";
1799                         group.parentNode.insertBefore(div, group);
1800                         div[appendChild](group);
1801                         node.clipRect = div;
1802                     }
1803                 }
1804                 if (!params["clip-rect"]) {
1805                     node.clipRect && (node.clipRect.style.clip = E);
1806                 }
1807             }
1808             if (o.type == "image" && params.src) {
1809                 node.src = params.src;
1810             }
1811             if (o.type == "image" && params.opacity) {
1812                 node.filterOpacity = ms + ".Alpha(opacity=" + (params.opacity * 100) + ")";
1813                 s.filter = (node.filterMatrix || E) + (node.filterOpacity || E);
1814             }
1815             params.font && (s.font = params.font);
1816             params["font-family"] && (s.fontFamily = '"' + params["font-family"][split](",")[0][rp](/^['"]+|['"]+$/g, E) + '"');
1817             params["font-size"] && (s.fontSize = params["font-size"]);
1818             params["font-weight"] && (s.fontWeight = params["font-weight"]);
1819             params["font-style"] && (s.fontStyle = params["font-style"]);
1820             if (params.opacity != null || 
1821                 params["stroke-width"] != null ||
1822                 params.fill != null ||
1823                 params.stroke != null ||
1824                 params["stroke-width"] != null ||
1825                 params["stroke-opacity"] != null ||
1826                 params["fill-opacity"] != null ||
1827                 params["stroke-dasharray"] != null ||
1828                 params["stroke-miterlimit"] != null ||
1829                 params["stroke-linejoin"] != null ||
1830                 params["stroke-linecap"] != null) {
1831                 node = o.shape || node;
1832                 var fill = (node.getElementsByTagName(fillString) && node.getElementsByTagName(fillString)[0]),
1833                     newfill = false;
1834                 !fill && (newfill = fill = createNode(fillString));
1835                 if ("fill-opacity" in params || "opacity" in params) {
1836                     var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+R.getRGB(params.fill).o + 1 || 2) - 1);
1837                     opacity < 0 && (opacity = 0);
1838                     opacity > 1 && (opacity = 1);
1839                     fill.opacity = opacity;
1840                 }
1841                 params.fill && (fill.on = true);
1842                 if (fill.on == null || params.fill == "none") {
1843                     fill.on = false;
1844                 }
1845                 if (fill.on && params.fill) {
1846                     var isURL = params.fill.match(ISURL);
1847                     if (isURL) {
1848                         fill.src = isURL[1];
1849                         fill.type = "tile";
1850                     } else {
1851                         fill.color = R.getRGB(params.fill).hex;
1852                         fill.src = E;
1853                         fill.type = "solid";
1854                         if (R.getRGB(params.fill).error && (res.type in {circle: 1, ellipse: 1} || (params.fill + E).charAt() != "r") && addGradientFill(res, params.fill)) {
1855                             a.fill = "none";
1856                             a.gradient = params.fill;
1857                         }
1858                     }
1859                 }
1860                 newfill && node[appendChild](fill);
1861                 var stroke = (node.getElementsByTagName("stroke") && node.getElementsByTagName("stroke")[0]),
1862                 newstroke = false;
1863                 !stroke && (newstroke = stroke = createNode("stroke"));
1864                 if ((params.stroke && params.stroke != "none") ||
1865                     params["stroke-width"] ||
1866                     params["stroke-opacity"] != null ||
1867                     params["stroke-dasharray"] ||
1868                     params["stroke-miterlimit"] ||
1869                     params["stroke-linejoin"] ||
1870                     params["stroke-linecap"]) {
1871                     stroke.on = true;
1872                 }
1873                 (params.stroke == "none" || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);
1874                 var strokeColor = R.getRGB(params.stroke);
1875                 stroke.on && params.stroke && (stroke.color = strokeColor.hex);
1876                 opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1) * ((+strokeColor.o + 1 || 2) - 1);
1877                 var width = (toFloat(params["stroke-width"]) || 1) * .75;
1878                 opacity < 0 && (opacity = 0);
1879                 opacity > 1 && (opacity = 1);
1880                 params["stroke-width"] == null && (width = a["stroke-width"]);
1881                 params["stroke-width"] && (stroke.weight = width);
1882                 width && width < 1 && (opacity *= width) && (stroke.weight = 1);
1883                 stroke.opacity = opacity;
1884                 
1885                 params["stroke-linejoin"] && (stroke.joinstyle = params["stroke-linejoin"] || "miter");
1886                 stroke.miterlimit = params["stroke-miterlimit"] || 8;
1887                 params["stroke-linecap"] && (stroke.endcap = params["stroke-linecap"] == "butt" ? "flat" : params["stroke-linecap"] == "square" ? "square" : "round");
1888                 if (params["stroke-dasharray"]) {
1889                     var dasharray = {
1890                         "-": "shortdash",
1891                         ".": "shortdot",
1892                         "-.": "shortdashdot",
1893                         "-..": "shortdashdotdot",
1894                         ". ": "dot",
1895                         "- ": "dash",
1896                         "--": "longdash",
1897                         "- .": "dashdot",
1898                         "--.": "longdashdot",
1899                         "--..": "longdashdotdot"
1900                     };
1901                     stroke.dashstyle = dasharray[has](params["stroke-dasharray"]) ? dasharray[params["stroke-dasharray"]] : E;
1902                 }
1903                 newstroke && node[appendChild](stroke);
1904             }
1905             if (res.type == "text") {
1906                 s = res.paper.span.style;
1907                 a.font && (s.font = a.font);
1908                 a["font-family"] && (s.fontFamily = a["font-family"]);
1909                 a["font-size"] && (s.fontSize = a["font-size"]);
1910                 a["font-weight"] && (s.fontWeight = a["font-weight"]);
1911                 a["font-style"] && (s.fontStyle = a["font-style"]);
1912                 res.node.string && (res.paper.span.innerHTML = (res.node.string + E)[rp](/</g, "&#60;")[rp](/&/g, "&#38;")[rp](/\n/g, "<br>"));
1913                 res.W = a.w = res.paper.span.offsetWidth;
1914                 res.H = a.h = res.paper.span.offsetHeight;
1915                 res.X = a.x;
1916                 res.Y = a.y + round(res.H / 2);
1917  
1918                 // text-anchor emulationm
1919                 switch (a["text-anchor"]) {
1920                     case "start":
1921                         res.node.style["v-text-align"] = "left";
1922                         res.bbx = round(res.W / 2);
1923                     break;
1924                     case "end":
1925                         res.node.style["v-text-align"] = "right";
1926                         res.bbx = -round(res.W / 2);
1927                     break;
1928                     default:
1929                         res.node.style["v-text-align"] = "center";
1930                     break;
1931                 }
1932             }
1933         };
1934         addGradientFill = function (o, gradient) {
1935             o.attrs = o.attrs || {};
1936             var attrs = o.attrs,
1937                 fill,
1938                 type = "linear",
1939                 fxfy = ".5 .5";
1940             o.attrs.gradient = gradient;
1941             gradient = (gradient + E)[rp](radial_gradient, function (all, fx, fy) {
1942                 type = "radial";
1943                 if (fx && fy) {
1944                     fx = toFloat(fx);
1945                     fy = toFloat(fy);
1946                     pow(fx - .5, 2) + pow(fy - .5, 2) > .25 && (fy = math.sqrt(.25 - pow(fx - .5, 2)) * ((fy > .5) * 2 - 1) + .5);
1947                     fxfy = fx + S + fy;
1948                 }
1949                 return E;
1950             });
1951             gradient = gradient[split](/\s*\-\s*/);
1952             if (type == "linear") {
1953                 var angle = gradient.shift();
1954                 angle = -toFloat(angle);
1955                 if (isNaN(angle)) {
1956                     return null;
1957                 }
1958             }
1959             var dots = parseDots(gradient);
1960             if (!dots) {
1961                 return null;
1962             }
1963             o = o.shape || o.node;
1964             fill = o.getElementsByTagName(fillString)[0] || createNode(fillString);
1965             !fill.parentNode && o.appendChild(fill);
1966             if (dots[length]) {
1967                 fill.on = true;
1968                 fill.method = "none";
1969                 fill.color = dots[0].color;
1970                 fill.color2 = dots[dots[length] - 1].color;
1971                 var clrs = [];
1972                 for (var i = 0, ii = dots[length]; i < ii; i++) {
1973                     dots[i].offset && clrs[push](dots[i].offset + S + dots[i].color);
1974                 }
1975                 fill.colors && (fill.colors.value = clrs[length] ? clrs[join]() : "0% " + fill.color);
1976                 if (type == "radial") {
1977                     fill.type = "gradientradial";
1978                     fill.focus = "100%";
1979                     fill.focussize = fxfy;
1980                     fill.focusposition = fxfy;
1981                 } else {
1982                     fill.type = "gradient";
1983                     fill.angle = (270 - angle) % 360;
1984                 }
1985             }
1986             return 1;
1987         };
1988         Element = function (node, group, vml) {
1989             var Rotation = 0,
1990                 RotX = 0,
1991                 RotY = 0,
1992                 Scale = 1;
1993             this[0] = node;
1994             this.id = R._oid++;
1995             this.node = node;
1996             node.raphael = this;
1997             this.X = 0;
1998             this.Y = 0;
1999             this.attrs = {};
2000             this.Group = group;
2001             this.paper = vml;
2002             this._ = {
2003                 tx: 0,
2004                 ty: 0,
2005                 rt: {deg:0},
2006                 sx: 1,
2007                 sy: 1
2008             };
2009             !vml.bottom && (vml.bottom = this);
2010             this.prev = vml.top;
2011             vml.top && (vml.top.next = this);
2012             vml.top = this;
2013             this.next = null;
2014         };
2015         Element[proto].rotate = function (deg, cx, cy) {
2016             if (this.removed) {
2017                 return this;
2018             }
2019             if (deg == null) {
2020                 if (this._.rt.cx) {
2021                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);
2022                 }
2023                 return this._.rt.deg;
2024             }
2025             deg = (deg + E)[split](separator);
2026             if (deg[length] - 1) {
2027                 cx = toFloat(deg[1]);
2028                 cy = toFloat(deg[2]);
2029             }
2030             deg = toFloat(deg[0]);
2031             if (cx != null) {
2032                 this._.rt.deg = deg;
2033             } else {
2034                 this._.rt.deg += deg;
2035             }
2036             cy == null && (cx = null);
2037             this._.rt.cx = cx;
2038             this._.rt.cy = cy;
2039             this.setBox(this.attrs, cx, cy);
2040             this.Group.style.rotation = this._.rt.deg;
2041             // gradient fix for rotation. TODO
2042             // var fill = (this.shape || this.node).getElementsByTagName(fillString);
2043             // fill = fill[0] || {};
2044             // var b = ((360 - this._.rt.deg) - 270) % 360;
2045             // !R.is(fill.angle, "undefined") && (fill.angle = b);
2046             return this;
2047         };
2048         Element[proto].setBox = function (params, cx, cy) {
2049             if (this.removed) {
2050                 return this;
2051             }
2052             var gs = this.Group.style,
2053                 os = (this.shape && this.shape.style) || this.node.style;
2054             params = params || {};
2055             for (var i in params) if (params[has](i)) {
2056                 this.attrs[i] = params[i];
2057             }
2058             cx = cx || this._.rt.cx;
2059             cy = cy || this._.rt.cy;
2060             var attr = this.attrs,
2061                 x,
2062                 y,
2063                 w,
2064                 h;
2065             switch (this.type) {
2066                 case "circle":
2067                     x = attr.cx - attr.r;
2068                     y = attr.cy - attr.r;
2069                     w = h = attr.r * 2;
2070                     break;
2071                 case "ellipse":
2072                     x = attr.cx - attr.rx;
2073                     y = attr.cy - attr.ry;
2074                     w = attr.rx * 2;
2075                     h = attr.ry * 2;
2076                     break;
2077                 case "image":
2078                     x = +attr.x;
2079                     y = +attr.y;
2080                     w = attr.width || 0;
2081                     h = attr.height || 0;
2082                     break;
2083                 case "text":
2084                     this.textpath.v = ["m", round(attr.x), ", ", round(attr.y - 2), "l", round(attr.x) + 1, ", ", round(attr.y - 2)][join](E);
2085                     x = attr.x - round(this.W / 2);
2086                     y = attr.y - this.H / 2;
2087                     w = this.W;
2088                     h = this.H;
2089                     break;
2090                 case "rect":
2091                 case "path":
2092                     if (!this.attrs.path) {
2093                         x = 0;
2094                         y = 0;
2095                         w = this.paper.width;
2096                         h = this.paper.height;
2097                     } else {
2098                         var dim = pathDimensions(this.attrs.path);
2099                         x = dim.x;
2100                         y = dim.y;
2101                         w = dim.width;
2102                         h = dim.height;
2103                     }
2104                     break;
2105                 default:
2106                     x = 0;
2107                     y = 0;
2108                     w = this.paper.width;
2109                     h = this.paper.height;
2110                     break;
2111             }
2112             cx = (cx == null) ? x + w / 2 : cx;
2113             cy = (cy == null) ? y + h / 2 : cy;
2114             var left = cx - this.paper.width / 2,
2115                 top = cy - this.paper.height / 2, t;
2116             gs.left != (t = left + "px") && (gs.left = t);
2117             gs.top != (t = top + "px") && (gs.top = t);
2118             this.X = pathlike[has](this.type) ? -left : x;
2119             this.Y = pathlike[has](this.type) ? -top : y;
2120             this.W = w;
2121             this.H = h;
2122             if (pathlike[has](this.type)) {
2123                 os.left != (t = -left * zoom + "px") && (os.left = t);
2124                 os.top != (t = -top * zoom + "px") && (os.top = t);
2125             } else if (this.type == "text") {
2126                 os.left != (t = -left + "px") && (os.left = t);
2127                 os.top != (t = -top + "px") && (os.top = t);
2128             } else {
2129                 gs.width != (t = this.paper.width + "px") && (gs.width = t);
2130                 gs.height != (t = this.paper.height + "px") && (gs.height = t);
2131                 os.left != (t = x - left + "px") && (os.left = t);
2132                 os.top != (t = y - top + "px") && (os.top = t);
2133                 os.width != (t = w + "px") && (os.width = t);
2134                 os.height != (t = h + "px") && (os.height = t);
2135             }
2136         };
2137         Element[proto].hide = function () {
2138             !this.removed && (this.Group.style.display = "none");
2139             return this;
2140         };
2141         Element[proto].show = function () {
2142             !this.removed && (this.Group.style.display = "block");
2143             return this;
2144         };
2145         Element[proto].getBBox = function () {
2146             if (this.removed) {
2147                 return this;
2148             }
2149             if (pathlike[has](this.type)) {
2150                 return pathDimensions(this.attrs.path);
2151             }
2152             return {
2153                 x: this.X + (this.bbx || 0),
2154                 y: this.Y,
2155                 width: this.W,
2156                 height: this.H
2157             };
2158         };
2159         Element[proto].remove = function () {
2160             if (this.removed) {
2161                 return;
2162             }
2163             tear(this, this.paper);
2164             this.node.parentNode.removeChild(this.node);
2165             this.Group.parentNode.removeChild(this.Group);
2166             this.shape && this.shape.parentNode.removeChild(this.shape);
2167             for (var i in this) {
2168                 delete this[i];
2169             }
2170             this.removed = true;
2171         };
2172         Element[proto].attr = function (name, value) {
2173             if (this.removed) {
2174                 return this;
2175             }
2176             if (name == null) {
2177                 var res = {};
2178                 for (var i in this.attrs) if (this.attrs[has](i)) {
2179                     res[i] = this.attrs[i];
2180                 }
2181                 this._.rt.deg && (res.rotation = this.rotate());
2182                 (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());
2183                 res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;
2184                 return res;
2185             }
2186             if (value == null && R.is(name, string)) {
2187                 if (name == "translation") {
2188                     return translate.call(this);
2189                 }
2190                 if (name == "rotation") {
2191                     return this.rotate();
2192                 }
2193                 if (name == "scale") {
2194                     return this.scale();
2195                 }
2196                 if (name == fillString && this.attrs.fill == "none" && this.attrs.gradient) {
2197                     return this.attrs.gradient;
2198                 }
2199                 return this.attrs[name];
2200             }
2201             if (this.attrs && value == null && R.is(name, array)) {
2202                 var ii, values = {};
2203                 for (i = 0, ii = name[length]; i < ii; i++) {
2204                     values[name[i]] = this.attr(name[i]);
2205                 }
2206                 return values;
2207             }
2208             var params;
2209             if (value != null) {
2210                 params = {};
2211                 params[name] = value;
2212             }
2213             value == null && R.is(name, "object") && (params = name);
2214             if (params) {
2215                 if (params.text && this.type == "text") {
2216                     this.node.string = params.text;
2217                 }
2218                 setFillAndStroke(this, params);
2219                 if (params.gradient && (({circle: 1, ellipse: 1})[has](this.type) || (params.gradient + E).charAt() != "r")) {
2220                     addGradientFill(this, params.gradient);
2221                 }
2222                 (!pathlike[has](this.type) || this._.rt.deg) && this.setBox(this.attrs);
2223             }
2224             return this;
2225         };
2226         Element[proto].toFront = function () {
2227             !this.removed && this.Group.parentNode[appendChild](this.Group);
2228             this.paper.top != this && tofront(this, this.paper);
2229             return this;
2230         };
2231         Element[proto].toBack = function () {
2232             if (this.removed) {
2233                 return this;
2234             }
2235             if (this.Group.parentNode.firstChild != this.Group) {
2236                 this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
2237                 toback(this, this.paper);
2238             }
2239             return this;
2240         };
2241         Element[proto].insertAfter = function (element) {
2242             if (this.removed) {
2243                 return this;
2244             }
2245             if (element.Group.nextSibling) {
2246                 element.Group.parentNode.insertBefore(this.Group, element.Group.nextSibling);
2247             } else {
2248                 element.Group.parentNode[appendChild](this.Group);
2249             }
2250             insertafter(this, element, this.paper);
2251             return this;
2252         };
2253         Element[proto].insertBefore = function (element) {
2254             if (this.removed) {
2255                 return this;
2256             }
2257             element.Group.parentNode.insertBefore(this.Group, element.Group);
2258             insertbefore(this, element, this.paper);
2259             return this;
2260         };
2261         var blurregexp = / progid:\S+Blur\([^\)]+\)/g;
2262         Element[proto].blur = function (size) {
2263             var s = this.node.style,
2264                 f = s.filter;
2265             f = f.replace(blurregexp, "");
2266             if (+size !== 0) {
2267                 this.attrs.blur = size;
2268                 s.filter = f + ms + ".Blur(pixelradius=" + (+size || 1.5) + ")";
2269                 s.margin = Raphael.format("-{0}px 0 0 -{0}px", Math.round(+size || 1.5));
2270             } else {
2271                 s.filter = f;
2272                 s.margin = 0;
2273                 delete this.attrs.blur;
2274             }
2275         };
2276  
2277         theCircle = function (vml, x, y, r) {
2278             var g = createNode("group"),
2279                 o = createNode("oval"),
2280                 ol = o.style;
2281             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
2282             g.coordsize = coordsize;
2283             g.coordorigin = vml.coordorigin;
2284             g[appendChild](o);
2285             var res = new Element(o, g, vml);
2286             res.type = "circle";
2287             setFillAndStroke(res, {stroke: "#000", fill: "none"});
2288             res.attrs.cx = x;
2289             res.attrs.cy = y;
2290             res.attrs.r = r;
2291             res.setBox({x: x - r, y: y - r, width: r * 2, height: r * 2});
2292             vml.canvas[appendChild](g);
2293             return res;
2294         };
2295         function rectPath(x, y, w, h, r) {
2296             if (r) {
2297                 return R.format("M{0},{1}l{2},0a{3},{3},0,0,1,{3},{3}l0,{5}a{3},{3},0,0,1,{4},{3}l{6},0a{3},{3},0,0,1,{4},{4}l0,{7}a{3},{3},0,0,1,{3},{4}z", x + r, y, w - r * 2, r, -r, h - r * 2, r * 2 - w, r * 2 - h);
2298             } else {
2299                 return R.format("M{0},{1}l{2},0,0,{3},{4},0z", x, y, w, h, -w);
2300             }
2301         }
2302         theRect = function (vml, x, y, w, h, r) {
2303             var path = rectPath(x, y, w, h, r),
2304                 res = vml.path(path),
2305                 a = res.attrs;
2306             res.X = a.x = x;
2307             res.Y = a.y = y;
2308             res.W = a.width = w;
2309             res.H = a.height = h;
2310             a.r = r;
2311             a.path = path;
2312             res.type = "rect";
2313             return res;
2314         };
2315         theEllipse = function (vml, x, y, rx, ry) {
2316             var g = createNode("group"),
2317                 o = createNode("oval"),
2318                 ol = o.style;
2319             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
2320             g.coordsize = coordsize;
2321             g.coordorigin = vml.coordorigin;
2322             g[appendChild](o);
2323             var res = new Element(o, g, vml);
2324             res.type = "ellipse";
2325             setFillAndStroke(res, {stroke: "#000"});
2326             res.attrs.cx = x;
2327             res.attrs.cy = y;
2328             res.attrs.rx = rx;
2329             res.attrs.ry = ry;
2330             res.setBox({x: x - rx, y: y - ry, width: rx * 2, height: ry * 2});
2331             vml.canvas[appendChild](g);
2332             return res;
2333         };
2334         theImage = function (vml, src, x, y, w, h) {
2335             var g = createNode("group"),
2336                 o = createNode("image"),
2337                 ol = o.style;
2338             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
2339             g.coordsize = coordsize;
2340             g.coordorigin = vml.coordorigin;
2341             o.src = src;
2342             g[appendChild](o);
2343             var res = new Element(o, g, vml);
2344             res.type = "image";
2345             res.attrs.src = src;
2346             res.attrs.x = x;
2347             res.attrs.y = y;
2348             res.attrs.w = w;
2349             res.attrs.h = h;
2350             res.setBox({x: x, y: y, width: w, height: h});
2351             vml.canvas[appendChild](g);
2352             return res;
2353         };
2354         theText = function (vml, x, y, text) {
2355             var g = createNode("group"),
2356                 el = createNode("shape"),
2357                 ol = el.style,
2358                 path = createNode("path"),
2359                 ps = path.style,
2360                 o = createNode("textpath");
2361             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";
2362             g.coordsize = coordsize;
2363             g.coordorigin = vml.coordorigin;
2364             path.v = R.format("m{0},{1}l{2},{1}", round(x * 10), round(y * 10), round(x * 10) + 1);
2365             path.textpathok = true;
2366             ol.width = vml.width;
2367             ol.height = vml.height;
2368             o.string = text + E;
2369             o.on = true;
2370             el[appendChild](o);
2371             el[appendChild](path);
2372             g[appendChild](el);
2373             var res = new Element(o, g, vml);
2374             res.shape = el;
2375             res.textpath = path;
2376             res.type = "text";
2377             res.attrs.text = text;
2378             res.attrs.x = x;
2379             res.attrs.y = y;
2380             res.attrs.w = 1;
2381             res.attrs.h = 1;
2382             setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000"});
2383             res.setBox();
2384             vml.canvas[appendChild](g);
2385             return res;
2386         };
2387         setSize = function (width, height) {
2388             var cs = this.canvas.style;
2389             width == +width && (width += "px");
2390             height == +height && (height += "px");
2391             cs.width = width;
2392             cs.height = height;
2393             cs.clip = "rect(0 " + width + " " + height + " 0)";
2394             return this;
2395         };
2396         var createNode;
2397         doc.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
2398         try {
2399             !doc.namespaces.rvml && doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
2400             createNode = function (tagName) {
2401                 return doc.createElement('<rvml:' + tagName + ' class="rvml">');
2402             };
2403         } catch (e) {
2404             createNode = function (tagName) {
2405                 return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
2406             };
2407         }
2408         create = function () {
2409             var con = getContainer[apply](0, arguments),
2410                 container = con.container,
2411                 height = con.height,
2412                 s,
2413                 width = con.width,
2414                 x = con.x,
2415                 y = con.y;
2416             if (!container) {
2417                 throw new Error("VML container not found.");
2418             }
2419             var res = new Paper,
2420                 c = res.canvas = doc.createElement("div"),
2421                 cs = c.style;
2422             x = x || 0;
2423             y = y || 0;
2424             width = width || 512;
2425             height = height || 342;
2426             width == +width && (width += "px");
2427             height == +height && (height += "px");
2428             res.width = 1e3;
2429             res.height = 1e3;
2430             res.coordsize = zoom * 1e3 + S + zoom * 1e3;
2431             res.coordorigin = "0 0";
2432             res.span = doc.createElement("span");
2433             res.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
2434             c[appendChild](res.span);
2435             cs.cssText = R.format("width:{0};height:{1};display:inline-block;position:relative;clip:rect(0 {0} {1} 0);overflow:hidden", width, height);
2436             if (container == 1) {
2437                 doc.body[appendChild](c);
2438                 cs.left = x + "px";
2439                 cs.top = y + "px";
2440                 cs.position = "absolute";
2441             } else {
2442                 if (container.firstChild) {
2443                     container.insertBefore(c, container.firstChild);
2444                 } else {
2445                     container[appendChild](c);
2446                 }
2447             }
2448             plugins.call(res, res, R.fn);
2449             return res;
2450         };
2451         Paper[proto].clear = function () {
2452             this.canvas.innerHTML = E;
2453             this.span = doc.createElement("span");
2454             this.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";
2455             this.canvas[appendChild](this.span);
2456             this.bottom = this.top = null;
2457         };
2458         Paper[proto].remove = function () {
2459             this.canvas.parentNode.removeChild(this.canvas);
2460             for (var i in this) {
2461                 this[i] = removed(i);
2462             }
2463             return true;
2464         };
2465     }
2466  
2467     // rest
2468     // Safari or Chrome (WebKit) rendering bug workaround method
2469     if ((/^Apple|^Google/).test(win.navigator.vendor) && (!(win.navigator.userAgent.indexOf("Version/4.0") + 1) || win.navigator.platform.slice(0, 2) == "iP")) {
2470         Paper[proto].safari = function () {
2471             var rect = this.rect(-99, -99, this.width + 99, this.height + 99);
2472             win.setTimeout(function () {rect.remove();});
2473         };
2474     } else {
2475         Paper[proto].safari = function () {};
2476     }
2477  
2478     // Events
2479     var preventDefault = function () {
2480         this.returnValue = false;
2481     },
2482     stopPropagation = function () {
2483         this.cancelBubble = true;
2484     },
2485     addEvent = (function () {
2486         if (doc.addEventListener) {
2487             return function (obj, type, fn, element) {
2488                 var f = function (e) {
2489                     if (supportsTouch) {
2490                         for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
2491                             if (e.targetTouches[i].target == obj) {
2492                                 var olde = e;
2493                                 e = e.targetTouches[i];
2494                                 e.originalEvent = olde;
2495                                 break;
2496                             }
2497                         }
2498                     }
2499                     return fn.call(element, e);
2500                 };
2501                 obj.addEventListener(type, f, false);
2502                 return function () {
2503                     obj.removeEventListener(type, f, false);
2504                     return true;
2505                 };
2506             };
2507         } else if (doc.attachEvent) {
2508             return function (obj, type, fn, element) {
2509                 var f = function (e) {
2510                     e = e || win.event;
2511                     e.preventDefault = e.preventDefault || preventDefault;
2512                     e.stopPropagation = e.stopPropagation || stopPropagation;
2513                     return fn.call(element, e);
2514                 };
2515                 obj.attachEvent("on" + type, f);
2516                 var detacher = function () {
2517                     obj.detachEvent("on" + type, f);
2518                     return true;
2519                 };
2520                 return detacher;
2521             };
2522         }
2523     })();
2524     for (var i = events[length]; i--;) {
2525         (function (eventName) {
2526             R[eventName] = Element[proto][eventName] = function (fn) {
2527                 if (R.is(fn, "function")) {
2528                     var realName = supportsTouch && touchMap[eventName] ? touchMap[eventName] : eventName;
2529                     this.events = this.events || [];
2530                     this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node || doc, realName, fn, this)});
2531                 }
2532                 return this;
2533             };
2534             R["un" + eventName] = Element[proto]["un" + eventName] = function (fn) {
2535                 var events = this.events,
2536                     l = events[length];
2537                 while (l--) if (events[l].name == eventName && events[l].f == fn) {
2538                     events[l].unbind();
2539                     events.splice(l, 1);
2540                     !events.length && delete this.events;
2541                     return this;
2542                 }
2543                 return this;
2544             };
2545         })(events[i]);
2546     }
2547     Element[proto].hover = function (f_in, f_out) {
2548         return this.mouseover(f_in).mouseout(f_out);
2549     };
2550     Element[proto].unhover = function (f_in, f_out) {
2551         return this.unmouseover(f_in).unmouseout(f_out);
2552     };
2553     Element[proto].drag = function (onmove, onstart, onend) {
2554         this._drag = {};
2555         var el = this.mousedown(function (e) {
2556             (e.originalEvent ? e.originalEvent : e).preventDefault();
2557             this._drag.x = e.clientX;
2558             this._drag.y = e.clientY;
2559             this._drag.id = e.identifier;
2560             onstart && onstart.call(this, e.clientX, e.clientY);
2561             Raphael.mousemove(move).mouseup(up);
2562         }),
2563             move = function (e) {
2564                 var x = e.clientX,
2565                     y = e.clientY;
2566                 if (supportsTouch) {
2567                     var i = e.touches.length,
2568                         touch;
2569                     while (i--) {
2570                         touch = e.touches[i];
2571                         if (touch.identifier == el._drag.id) {
2572                             x = touch.clientX;
2573                             y = touch.clientY;
2574                             (e.originalEvent ? e.originalEvent : e).preventDefault();
2575                             break;
2576                         }
2577                     }
2578                 } else {
2579                     e.preventDefault();
2580                 }
2581                 onmove && onmove.call(el, x - el._drag.x, y - el._drag.y, x, y);
2582             },
2583             up = function () {
2584                 el._drag = {};
2585                 Raphael.unmousemove(move).unmouseup(up);
2586                 onend && onend.call(el);
2587             };
2588         return this;
2589     };
2590     Paper[proto].circle = function (x, y, r) {
2591         return theCircle(this, x || 0, y || 0, r || 0);
2592     };
2593     Paper[proto].rect = function (x, y, w, h, r) {
2594         return theRect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
2595     };
2596     Paper[proto].ellipse = function (x, y, rx, ry) {
2597         return theEllipse(this, x || 0, y || 0, rx || 0, ry || 0);
2598     };
2599     Paper[proto].path = function (pathString) {
2600         pathString && !R.is(pathString, string) && !R.is(pathString[0], array) && (pathString += E);
2601         return thePath(R.format[apply](R, arguments), this);
2602     };
2603     Paper[proto].image = function (src, x, y, w, h) {
2604         return theImage(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);
2605     };
2606     Paper[proto].text = function (x, y, text) {
2607         return theText(this, x || 0, y || 0, text || E);
2608     };
2609     Paper[proto].set = function (itemsArray) {
2610         arguments[length] > 1 && (itemsArray = Array[proto].splice.call(arguments, 0, arguments[length]));
2611         return new Set(itemsArray);
2612     };
2613     Paper[proto].setSize = setSize;
2614     Paper[proto].top = Paper[proto].bottom = null;
2615     Paper[proto].raphael = R;
2616     function x_y() {
2617         return this.x + S + this.y;
2618     }
2619     Element[proto].resetScale = function () {
2620         if (this.removed) {
2621             return this;
2622         }
2623         this._.sx = 1;
2624         this._.sy = 1;
2625         this.attrs.scale = "1 1";
2626     };
2627     Element[proto].scale = function (x, y, cx, cy) {
2628         if (this.removed) {
2629             return this;
2630         }
2631         if (x == null && y == null) {
2632             return {
2633                 x: this._.sx,
2634                 y: this._.sy,
2635                 toString: x_y
2636             };
2637         }
2638         y = y || x;
2639         !+y && (y = x);
2640         var dx,
2641             dy,
2642             dcx,
2643             dcy,
2644             a = this.attrs;
2645         if (x != 0) {
2646             var bb = this.getBBox(),
2647                 rcx = bb.x + bb.width / 2,
2648                 rcy = bb.y + bb.height / 2,
2649                 kx = x / this._.sx,
2650                 ky = y / this._.sy;
2651             cx = (+cx || cx == 0) ? cx : rcx;
2652             cy = (+cy || cy == 0) ? cy : rcy;
2653             var dirx = ~~(x / math.abs(x)),
2654                 diry = ~~(y / math.abs(y)),
2655                 s = this.node.style,
2656                 ncx = cx + (rcx - cx) * kx,
2657                 ncy = cy + (rcy - cy) * ky;
2658             switch (this.type) {
2659                 case "rect":
2660                 case "image":
2661                     var neww = a.width * dirx * kx,
2662                         newh = a.height * diry * ky;
2663                     this.attr({
2664                         height: newh,
2665                         r: a.r * mmin(dirx * kx, diry * ky),
2666                         width: neww,
2667                         x: ncx - neww / 2,
2668                         y: ncy - newh / 2
2669                     });
2670                     break;
2671                 case "circle":
2672                 case "ellipse":
2673                     this.attr({
2674                         rx: a.rx * dirx * kx,
2675                         ry: a.ry * diry * ky,
2676                         r: a.r * mmin(dirx * kx, diry * ky),
2677                         cx: ncx,
2678                         cy: ncy
2679                     });
2680                     break;
2681                 case "text":
2682                     this.attr({
2683                         x: ncx,
2684                         y: ncy
2685                     });
2686                     break;
2687                 case "path":
2688                     var path = pathToRelative(a.path),
2689                         skip = true;
2690                     for (var i = 0, ii = path[length]; i < ii; i++) {
2691                         var p = path[i],
2692                             P0 = upperCase.call(p[0]);
2693                         if (P0 == "M" && skip) {
2694                             continue;
2695                         } else {
2696                             skip = false;
2697                         }
2698                         if (P0 == "A") {
2699                             p[path[i][length] - 2] *= kx;
2700                             p[path[i][length] - 1] *= ky;
2701                             p[1] *= dirx * kx;
2702                             p[2] *= diry * ky;
2703                             p[5] = +!(dirx + diry ? !+p[5] : +p[5]);
2704                         } else if (P0 == "H") {
2705                             for (var j = 1, jj = p[length]; j < jj; j++) {
2706                                 p[j] *= kx;
2707                             }
2708                         } else if (P0 == "V") {
2709                             for (j = 1, jj = p[length]; j < jj; j++) {
2710                                 p[j] *= ky;
2711                             }
2712                          } else {
2713                             for (j = 1, jj = p[length]; j < jj; j++) {
2714                                 p[j] *= (j % 2) ? kx : ky;
2715                             }
2716                         }
2717                     }
2718                     var dim2 = pathDimensions(path);
2719                     dx = ncx - dim2.x - dim2.width / 2;
2720                     dy = ncy - dim2.y - dim2.height / 2;
2721                     path[0][1] += dx;
2722                     path[0][2] += dy;
2723                     this.attr({path: path});
2724                 break;
2725             }
2726             if (this.type in {text: 1, image:1} && (dirx != 1 || diry != 1)) {
2727                 if (this.transformations) {
2728                     this.transformations[2] = "scale("[concat](dirx, ",", diry, ")");
2729                     this.node[setAttribute]("transform", this.transformations[join](S));
2730                     dx = (dirx == -1) ? -a.x - (neww || 0) : a.x;
2731                     dy = (diry == -1) ? -a.y - (newh || 0) : a.y;
2732                     this.attr({x: dx, y: dy});
2733                     a.fx = dirx - 1;
2734                     a.fy = diry - 1;
2735                 } else {
2736                     this.node.filterMatrix = ms + ".Matrix(M11="[concat](dirx,
2737                         ", M12=0, M21=0, M22=", diry,
2738                         ", Dx=0, Dy=0, sizingmethod='auto expand', filtertype='bilinear')");
2739                     s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
2740                 }
2741             } else {
2742                 if (this.transformations) {
2743                     this.transformations[2] = E;
2744                     this.node[setAttribute]("transform", this.transformations[join](S));
2745                     a.fx = 0;
2746                     a.fy = 0;
2747                 } else {
2748                     this.node.filterMatrix = E;
2749                     s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);
2750                 }
2751             }
2752             a.scale = [x, y, cx, cy][join](S);
2753             this._.sx = x;
2754             this._.sy = y;
2755         }
2756         return this;
2757     };
2758     Element[proto].clone = function () {
2759         var attr = this.attr();
2760         delete attr.scale;
2761         delete attr.translation;
2762         return this.paper[this.type]().attr(attr);
2763     };
2764     var getPointAtSegmentLength = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
2765         var len = 0,
2766             old;
2767         for (var i = 0; i < 1.001; i+=.001) {
2768             var dot = R.findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i);
2769             i && (len += pow(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2), .5));
2770             if (len >= length) {
2771                 return dot;
2772             }
2773             old = dot;
2774         }
2775     }),
2776     getLengthFactory = function (istotal, subpath) {
2777         return function (path, length, onlystart) {
2778             path = path2curve(path);
2779             var x, y, p, l, sp = "", subpaths = {}, point,
2780                 len = 0;
2781             for (var i = 0, ii = path.length; i < ii; i++) {
2782                 p = path[i];
2783                 if (p[0] == "M") {
2784                     x = +p[1];
2785                     y = +p[2];
2786                 } else {
2787                     l = segmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
2788                     if (len + l > length) {
2789                         if (subpath && !subpaths.start) {
2790                             point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
2791                             sp += ["C", point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
2792                             if (onlystart) {return sp;}
2793                             subpaths.start = sp;
2794                             sp = ["M", point.x, point.y + "C", point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]][join]();
2795                             len += l;
2796                             x = +p[5];
2797                             y = +p[6];
2798                             continue;
2799                         }
2800                         if (!istotal && !subpath) {
2801                             point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
2802                             return {x: point.x, y: point.y, alpha: point.alpha};
2803                         }
2804                     }
2805                     len += l;
2806                     x = +p[5];
2807                     y = +p[6];
2808                 }
2809                 sp += p;
2810             }
2811             subpaths.end = sp;
2812             point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], 1);
2813             point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});
2814             return point;
2815         };
2816     },
2817     segmentLength = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
2818         var old = {x: 0, y: 0},
2819             len = 0;
2820         for (var i = 0; i < 1.01; i+=.01) {
2821             var dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i);
2822             i && (len += pow(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2), .5));
2823             old = dot;
2824         }
2825         return len;
2826     });
2827     var getTotalLength = getLengthFactory(1),
2828         getPointAtLength = getLengthFactory(),
2829         getSubpathsAtLength = getLengthFactory(0, 1);
2830     Element[proto].getTotalLength = function () {
2831         if (this.type != "path") {return;}
2832         if (this.node.getTotalLength) {
2833             return this.node.getTotalLength();
2834         }
2835         return getTotalLength(this.attrs.path);
2836     };
2837     Element[proto].getPointAtLength = function (length) {
2838         if (this.type != "path") {return;}
2839         return getPointAtLength(this.attrs.path, length);
2840     };
2841     Element[proto].getSubpath = function (from, to) {
2842         if (this.type != "path") {return;}
2843         if (math.abs(this.getTotalLength() - to) < 1e-6) {
2844             return getSubpathsAtLength(this.attrs.path, from).end;
2845         }
2846         var a = getSubpathsAtLength(this.attrs.path, to, 1);
2847         return from ? getSubpathsAtLength(a, from).end : a;
2848     };
2849
2850     // animation easing formulas
2851     R.easing_formulas = {
2852         linear: function (n) {
2853             return n;
2854         },
2855         "<": function (n) {
2856             return pow(n, 3);
2857         },
2858         ">": function (n) {
2859             return pow(n - 1, 3) + 1;
2860         },
2861         "<>": function (n) {
2862             n = n * 2;
2863             if (n < 1) {
2864                 return pow(n, 3) / 2;
2865             }
2866             n -= 2;
2867             return (pow(n, 3) + 2) / 2;
2868         },
2869         backIn: function (n) {
2870             var s = 1.70158;
2871             return n * n * ((s + 1) * n - s);
2872         },
2873         backOut: function (n) {
2874             n = n - 1;
2875             var s = 1.70158;
2876             return n * n * ((s + 1) * n + s) + 1;
2877         },
2878         elastic: function (n) {
2879             if (n == 0 || n == 1) {
2880                 return n;
2881             }
2882             var p = .3,
2883                 s = p / 4;
2884             return pow(2, -10 * n) * math.sin((n - s) * (2 * math.PI) / p) + 1;
2885         },
2886         bounce: function (n) {
2887             var s = 7.5625,
2888                 p = 2.75,
2889                 l;
2890             if (n < (1 / p)) {
2891                 l = s * n * n;
2892             } else {
2893                 if (n < (2 / p)) {
2894                     n -= (1.5 / p);
2895                     l = s * n * n + .75;
2896                 } else {
2897                     if (n < (2.5 / p)) {
2898                         n -= (2.25 / p);
2899                         l = s * n * n + .9375;
2900                     } else {
2901                         n -= (2.625 / p);
2902                         l = s * n * n + .984375;
2903                     }
2904                 }
2905             }
2906             return l;
2907         }
2908     };
2909
2910     var animationElements = {length : 0},
2911         animation = function () {
2912             var Now = +new Date;
2913             for (var l in animationElements) if (l != "length" && animationElements[has](l)) {
2914                 var e = animationElements[l];
2915                 if (e.stop || e.el.removed) {
2916                     delete animationElements[l];
2917                     animationElements[length]--;
2918                     continue;
2919                 }
2920                 var time = Now - e.start,
2921                     ms = e.ms,
2922                     easing = e.easing,
2923                     from = e.from,
2924                     diff = e.diff,
2925                     to = e.to,
2926                     t = e.t,
2927                     prev = e.prev || 0,
2928                     that = e.el,
2929                     callback = e.callback,
2930                     set = {},
2931                     now;
2932                 if (time < ms) {
2933                     var pos = R.easing_formulas[easing] ? R.easing_formulas[easing](time / ms) : time / ms;
2934                     for (var attr in from) if (from[has](attr)) {
2935                         switch (availableAnimAttrs[attr]) {
2936                             case "along":
2937                                 now = pos * ms * diff[attr];
2938                                 to.back && (now = to.len - now);
2939                                 var point = getPointAtLength(to[attr], now);
2940                                 that.translate(diff.sx - diff.x || 0, diff.sy - diff.y || 0);
2941                                 diff.x = point.x;
2942                                 diff.y = point.y;
2943                                 that.translate(point.x - diff.sx, point.y - diff.sy);
2944                                 to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
2945                                 break;
2946                             case nu:
2947                                 now = +from[attr] + pos * ms * diff[attr];
2948                                 break;
2949                             case "colour":
2950                                 now = "rgb(" + [
2951                                     upto255(round(from[attr].r + pos * ms * diff[attr].r)),
2952                                     upto255(round(from[attr].g + pos * ms * diff[attr].g)),
2953                                     upto255(round(from[attr].b + pos * ms * diff[attr].b))
2954                                 ][join](",") + ")";
2955                                 break;
2956                             case "path":
2957                                 now = [];
2958                                 for (var i = 0, ii = from[attr][length]; i < ii; i++) {
2959                                     now[i] = [from[attr][i][0]];
2960                                     for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
2961                                         now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
2962                                     }
2963                                     now[i] = now[i][join](S);
2964                                 }
2965                                 now = now[join](S);
2966                                 break;
2967                             case "csv":
2968                                 switch (attr) {
2969                                     case "translation":
2970                                         var x = diff[attr][0] * (time - prev),
2971                                             y = diff[attr][1] * (time - prev);
2972                                         t.x += x;
2973                                         t.y += y;
2974                                         now = x + S + y;
2975                                     break;
2976                                     case "rotation":
2977                                         now = +from[attr][0] + pos * ms * diff[attr][0];
2978                                         from[attr][1] && (now += "," + from[attr][1] + "," + from[attr][2]);
2979                                     break;
2980                                     case "scale":
2981                                         now = [+from[attr][0] + pos * ms * diff[attr][0], +from[attr][1] + pos * ms * diff[attr][1], (2 in to[attr] ? to[attr][2] : E), (3 in to[attr] ? to[attr][3] : E)][join](S);
2982                                     break;
2983                                     case "clip-rect":
2984                                         now = [];
2985                                         i = 4;
2986                                         while (i--) {
2987                                             now[i] = +from[attr][i] + pos * ms * diff[attr][i];
2988                                         }
2989                                     break;
2990                                 }
2991                                 break;
2992                         }
2993                         set[attr] = now;
2994                     }
2995                     that.attr(set);
2996                     that._run && that._run.call(that);
2997                 } else {
2998                     if (to.along) {
2999                         point = getPointAtLength(to.along, to.len * !to.back);
3000                         that.translate(diff.sx - (diff.x || 0) + point.x - diff.sx, diff.sy - (diff.y || 0) + point.y - diff.sy);
3001                         to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);
3002                     }
3003                     (t.x || t.y) && that.translate(-t.x, -t.y);
3004                     to.scale && (to.scale = to.scale + E);
3005                     that.attr(to);
3006                     delete animationElements[l];
3007                     animationElements[length]--;
3008                     that.in_animation = null;
3009                     R.is(callback, "function") && callback.call(that);
3010                 }
3011                 e.prev = time;
3012             }
3013             R.svg && that && that.paper && that.paper.safari();
3014             animationElements[length] && win.setTimeout(animation);
3015         },
3016         upto255 = function (color) {
3017             return mmax(mmin(color, 255), 0);
3018         },
3019         translate = function (x, y) {
3020             if (x == null) {
3021                 return {x: this._.tx, y: this._.ty, toString: x_y};
3022             }
3023             this._.tx += +x;
3024             this._.ty += +y;
3025             switch (this.type) {
3026                 case "circle":
3027                 case "ellipse":
3028                     this.attr({cx: +x + this.attrs.cx, cy: +y + this.attrs.cy});
3029                     break;
3030                 case "rect":
3031                 case "image":
3032                 case "text":
3033                     this.attr({x: +x + this.attrs.x, y: +y + this.attrs.y});
3034                     break;
3035                 case "path":
3036                     var path = pathToRelative(this.attrs.path);
3037                     path[0][1] += +x;
3038                     path[0][2] += +y;
3039                     this.attr({path: path});
3040                 break;
3041             }
3042             return this;
3043         };
3044     Element[proto].animateWith = function (element, params, ms, easing, callback) {
3045         animationElements[element.id] && (params.start = animationElements[element.id].start);
3046         return this.animate(params, ms, easing, callback);
3047     };
3048     Element[proto].animateAlong = along();
3049     Element[proto].animateAlongBack = along(1);
3050     function along(isBack) {
3051         return function (path, ms, rotate, callback) {
3052             var params = {back: isBack};
3053             R.is(rotate, "function") ? (callback = rotate) : (params.rot = rotate);
3054             path && path.constructor == Element && (path = path.attrs.path);
3055             path && (params.along = path);
3056             return this.animate(params, ms, callback);
3057         };
3058     }
3059     Element[proto].onAnimation = function (f) {
3060         this._run = f || 0;
3061         return this;
3062     };
3063     Element[proto].animate = function (params, ms, easing, callback) {
3064         if (R.is(easing, "function") || !easing) {
3065             callback = easing || null;
3066         }
3067         var from = {},
3068             to = {},
3069             diff = {};
3070         for (var attr in params) if (params[has](attr)) {
3071             if (availableAnimAttrs[has](attr)) {
3072                 from[attr] = this.attr(attr);
3073                 (from[attr] == null) && (from[attr] = availableAttrs[attr]);
3074                 to[attr] = params[attr];
3075                 switch (availableAnimAttrs[attr]) {
3076                     case "along":
3077                         var len = getTotalLength(params[attr]),
3078                             point = getPointAtLength(params[attr], len * !!params.back),
3079                             bb = this.getBBox();
3080                         diff[attr] = len / ms;
3081                         diff.tx = bb.x;
3082                         diff.ty = bb.y;
3083                         diff.sx = point.x;
3084                         diff.sy = point.y;
3085                         to.rot = params.rot;
3086                         to.back = params.back;
3087                         to.len = len;
3088                         params.rot && (diff.r = toFloat(this.rotate()) || 0);
3089                         break;
3090                     case nu:
3091                         diff[attr] = (to[attr] - from[attr]) / ms;
3092                         break;
3093                     case "colour":
3094                         from[attr] = R.getRGB(from[attr]);
3095                         var toColour = R.getRGB(to[attr]);
3096                         diff[attr] = {
3097                             r: (toColour.r - from[attr].r) / ms,
3098                             g: (toColour.g - from[attr].g) / ms,
3099                             b: (toColour.b - from[attr].b) / ms
3100                         };
3101                         break;
3102                     case "path":
3103                         var pathes = path2curve(from[attr], to[attr]);
3104                         from[attr] = pathes[0];
3105                         var toPath = pathes[1];
3106                         diff[attr] = [];
3107                         for (var i = 0, ii = from[attr][length]; i < ii; i++) {
3108                             diff[attr][i] = [0];
3109                             for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
3110                                 diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
3111                             }
3112                         }
3113                         break;
3114                     case "csv":
3115                         var values = (params[attr] + E)[split](separator),
3116                             from2 = (from[attr] + E)[split](separator);
3117                         switch (attr) {
3118                             case "translation":
3119                                 from[attr] = [0, 0];
3120                                 diff[attr] = [values[0] / ms, values[1] / ms];
3121                             break;
3122                             case "rotation":
3123                                 from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];
3124                                 diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];
3125                             break;
3126                             case "scale":
3127                                 params[attr] = values;
3128                                 from[attr] = (from[attr] + E)[split](separator);
3129                                 diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];
3130                             break;
3131                             case "clip-rect":
3132                                 from[attr] = (from[attr] + E)[split](separator);
3133                                 diff[attr] = [];
3134                                 i = 4;
3135                                 while (i--) {
3136                                     diff[attr][i] = (values[i] - from[attr][i]) / ms;
3137                                 }
3138                             break;
3139                         }
3140                         to[attr] = values;
3141                 }
3142             }
3143         }
3144         this.stop();
3145         this.in_animation = 1;
3146         animationElements[this.id] = {
3147             start: params.start || +new Date,
3148             ms: ms,
3149             easing: easing,
3150             from: from,
3151             diff: diff,
3152             to: to,
3153             el: this,
3154             callback: callback,
3155             t: {x: 0, y: 0}
3156         };
3157         ++animationElements[length] == 1 && animation();
3158         return this;
3159     };
3160     Element[proto].stop = function () {
3161         animationElements[this.id] && animationElements[length]--;
3162         delete animationElements[this.id];
3163         return this;
3164     };
3165     Element[proto].translate = function (x, y) {
3166         return this.attr({translation: x + " " + y});
3167     };
3168     Element[proto][toString] = function () {
3169         return "Rapha\xebl\u2019s object";
3170     };
3171     R.ae = animationElements;
3172  
3173     // Set
3174     var Set = function (items) {
3175         this.items = [];
3176         this[length] = 0;
3177         this.type = "set";
3178         if (items) {
3179             for (var i = 0, ii = items[length]; i < ii; i++) {
3180                 if (items[i] && (items[i].constructor == Element || items[i].constructor == Set)) {
3181                     this[this.items[length]] = this.items[this.items[length]] = items[i];
3182                     this[length]++;
3183                 }
3184             }
3185         }
3186     };
3187     Set[proto][push] = function () {
3188         var item,
3189             len;
3190         for (var i = 0, ii = arguments[length]; i < ii; i++) {
3191             item = arguments[i];
3192             if (item && (item.constructor == Element || item.constructor == Set)) {
3193                 len = this.items[length];
3194                 this[len] = this.items[len] = item;
3195                 this[length]++;
3196             }
3197         }
3198         return this;
3199     };
3200     Set[proto].pop = function () {
3201         delete this[this[length]--];
3202         return this.items.pop();
3203     };
3204     for (var method in Element[proto]) if (Element[proto][has](method)) {
3205         Set[proto][method] = (function (methodname) {
3206             return function () {
3207                 for (var i = 0, ii = this.items[length]; i < ii; i++) {
3208                     this.items[i][methodname][apply](this.items[i], arguments);
3209                 }
3210                 return this;
3211             };
3212         })(method);
3213     }
3214     Set[proto].attr = function (name, value) {
3215         if (name && R.is(name, array) && R.is(name[0], "object")) {
3216             for (var j = 0, jj = name[length]; j < jj; j++) {
3217                 this.items[j].attr(name[j]);
3218             }
3219         } else {
3220             for (var i = 0, ii = this.items[length]; i < ii; i++) {
3221                 this.items[i].attr(name, value);
3222             }
3223         }
3224         return this;
3225     };
3226     Set[proto].animate = function (params, ms, easing, callback) {
3227         (R.is(easing, "function") || !easing) && (callback = easing || null);
3228         var len = this.items[length],
3229             i = len,
3230             set = this,
3231             collector;
3232         callback && (collector = function () {
3233             !--len && callback.call(set);
3234         });
3235         this.items[--i].animate(params, ms, easing || collector, collector);
3236         while (i--) {
3237             this.items[i].animateWith(this.items[len - 1], params, ms, easing || collector, collector);
3238         }
3239         return this;
3240     };
3241     Set[proto].insertAfter = function (el) {
3242         var i = this.items[length];
3243         while (i--) {
3244             this.items[i].insertAfter(el);
3245         }
3246         return this;
3247     };
3248     Set[proto].getBBox = function () {
3249         var x = [],
3250             y = [],
3251             w = [],
3252             h = [];
3253         for (var i = this.items[length]; i--;) {
3254             var box = this.items[i].getBBox();
3255             x[push](box.x);
3256             y[push](box.y);
3257             w[push](box.x + box.width);
3258             h[push](box.y + box.height);
3259         }
3260         x = mmin[apply](0, x);
3261         y = mmin[apply](0, y);
3262         return {
3263             x: x,
3264             y: y,
3265             width: mmax[apply](0, w) - x,
3266             height: mmax[apply](0, h) - y
3267         };
3268     };
3269     Set[proto].clone = function (s) {
3270         s = new Set;
3271         for (var i = 0, ii = this.items[length]; i < ii; i++) {
3272             s[push](this.items[i].clone());
3273         }
3274         return s;
3275     };
3276
3277     R.registerFont = function (font) {
3278         if (!font.face) {
3279             return font;
3280         }
3281         this.fonts = this.fonts || {};
3282         var fontcopy = {
3283                 w: font.w,
3284                 face: {},
3285                 glyphs: {}
3286             },
3287             family = font.face["font-family"];
3288         for (var prop in font.face) if (font.face[has](prop)) {
3289             fontcopy.face[prop] = font.face[prop];
3290         }
3291         if (this.fonts[family]) {
3292             this.fonts[family][push](fontcopy);
3293         } else {
3294             this.fonts[family] = [fontcopy];
3295         }
3296         if (!font.svg) {
3297             fontcopy.face["units-per-em"] = toInt(font.face["units-per-em"], 10);
3298             for (var glyph in font.glyphs) if (font.glyphs[has](glyph)) {
3299                 var path = font.glyphs[glyph];
3300                 fontcopy.glyphs[glyph] = {
3301                     w: path.w,
3302                     k: {},
3303                     d: path.d && "M" + path.d[rp](/[mlcxtrv]/g, function (command) {
3304                             return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";
3305                         }) + "z"
3306                 };
3307                 if (path.k) {
3308                     for (var k in path.k) if (path[has](k)) {
3309                         fontcopy.glyphs[glyph].k[k] = path.k[k];
3310                     }
3311                 }
3312             }
3313         }
3314         return font;
3315     };
3316     Paper[proto].getFont = function (family, weight, style, stretch) {
3317         stretch = stretch || "normal";
3318         style = style || "normal";
3319         weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;
3320         if (!R.fonts) {
3321             return;
3322         }
3323         var font = R.fonts[family];
3324         if (!font) {
3325             var name = new RegExp("(^|\\s)" + family[rp](/[^\w\d\s+!~.:_-]/g, E) + "(\\s|$)", "i");
3326             for (var fontName in R.fonts) if (R.fonts[has](fontName)) {
3327                 if (name.test(fontName)) {
3328                     font = R.fonts[fontName];
3329                     break;
3330                 }
3331             }
3332         }
3333         var thefont;
3334         if (font) {
3335             for (var i = 0, ii = font[length]; i < ii; i++) {
3336                 thefont = font[i];
3337                 if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {
3338                     break;
3339                 }
3340             }
3341         }
3342         return thefont;
3343     };
3344     Paper[proto].print = function (x, y, string, font, size, origin) {
3345         origin = origin || "middle"; // baseline|middle
3346         var out = this.set(),
3347             letters = (string + E)[split](E),
3348             shift = 0,
3349             path = E,
3350             scale;
3351         R.is(font, string) && (font = this.getFont(font));
3352         if (font) {
3353             scale = (size || 16) / font.face["units-per-em"];
3354             var bb = font.face.bbox.split(separator),
3355                 top = +bb[0],
3356                 height = +bb[1] + (origin == "baseline" ? bb[3] - bb[1] + (+font.face.descent) : (bb[3] - bb[1]) / 2);
3357             for (var i = 0, ii = letters[length]; i < ii; i++) {
3358                 var prev = i && font.glyphs[letters[i - 1]] || {},
3359                     curr = font.glyphs[letters[i]];
3360                 shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) : 0;
3361                 curr && curr.d && out[push](this.path(curr.d).attr({fill: "#000", stroke: "none", translation: [shift, 0]}));
3362             }
3363             out.scale(scale, scale, top, height).translate(x - top, y - height);
3364         }
3365         return out;
3366     };
3367
3368     var formatrg = /\{(\d+)\}/g;
3369     R.format = function (token, array) {
3370         var args = R.is(array, array) ? [0][concat](array) : arguments;
3371         token && R.is(token, string) && args[length] - 1 && (token = token[rp](formatrg, function (str, i) {
3372             return args[++i] == null ? E : args[i];
3373         }));
3374         return token || E;
3375     };
3376     R.ninja = function () {
3377         oldRaphael.was ? (Raphael = oldRaphael.is) : delete Raphael;
3378         return R;
3379     };
3380     R.el = Element[proto];
3381     return R;
3382 })();
Rapheal SVG IE compatible library