Mercurial > laserkard

     1 /*!

     2  * Raphael 1.3.0 - JavaScript Vector Library

     3  *

     4  * Copyright (c) 2008 - 2009 Dmitry Baranovskiy (http://raphaeljs.com)

     5  * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.

     6  */

     7  

     8  

     9 window.Raphael = (function () {

    10     var separator = /[, ]+/,

    11         elements = /^(circle|rect|path|ellipse|text|image)$/,

    12         doc = document,

    13         win = window,

    14         oldRaphael = {

    15             was: "Raphael" in win,

    16             is: win.Raphael

    17         },

    18         R = function () {

    19             if (R.is(arguments[0], "array")) {

    20                 var a = arguments[0],

    21                     cnv = create[apply](R, a.splice(0, 3 + R.is(a[0], nu))),

    22                     res = cnv.set();

    23                 for (var i = 0, ii = a[length]; i < ii; i++) {

    24                     var j = a[i] || {};

    25                     elements.test(j.type) && res[push](cnv[j.type]().attr(j));

    26                 }

    27                 return res;

    28             }

    29             return create[apply](R, arguments);

    30         },

    31         Paper = function () {},

    32         appendChild = "appendChild",

    33         apply = "apply",

    34         concat = "concat",

    35         E = "",

    36         S = " ",

    37         split = "split",

    38         events = "click dblclick mousedown mousemove mouseout mouseover mouseup"[split](S),

    39         has = "hasOwnProperty",

    40         join = "join",

    41         length = "length",

    42         proto = "prototype",

    43         lowerCase = String[proto].toLowerCase,

    44         math = Math,

    45         mmax = math.max,

    46         mmin = math.min,

    47         nu = "number",

    48         toString = "toString",

    49         objectToString = Object[proto][toString],

    50         paper = {},

    51         pow = math.pow,

    52         push = "push",

    53         rg = /^(?=[\da-f]$)/,

    54         ISURL = /^url\(['"]?([^\)]+)['"]?\)$/i,

    55         colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgb\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|rgb\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\)|hs[bl]\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hs[bl]\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i,

    56         round = math.round,

    57         setAttribute = "setAttribute",

    58         toFloat = parseFloat,

    59         toInt = parseInt,

    60         upperCase = String[proto].toUpperCase,

    61         availableAttrs = {"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},

    62         availableAnimAttrs = {along: "along", "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},

    63         rp = "replace";

    64     R.version = "1.3.0";

    65     R.type = (win.SVGAngle || doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") ? "SVG" : "VML");

    66     if (R.type == "VML") {

    67         var d = document.createElement("div");

    68         d.innerHTML = '<!--[if vml]><br><br><![endif]-->';

    69         if (d.childNodes[length] != 2) {

    70             return null;

    71         }

    72     }

    73     R.svg = !(R.vml = R.type == "VML");

    74     Paper[proto] = R[proto];

    75     R._id = 0;

    76     R._oid = 0;

    77     R.fn = {};

    78     R.is = function (o, type) {

    79         type = lowerCase.call(type);

    80         return ((type == "object" || type == "undefined") && typeof o == type) || (o == null && type == "null") || lowerCase.call(objectToString.call(o).slice(8, -1)) == type;

    81     };

    82     R.setWindow = function (newwin) {

    83         win = newwin;

    84         doc = win.document;

    85     };

    86     // colour utilities

    87     var toHex = function (color) {

    88         if (R.vml) {

    89             // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/

    90             var trim = /^\s+|\s+$/g;

    91             toHex = cacher(function (color) {

    92                 var bod;

    93                 color = (color + E)[rp](trim, E);

    94                 try {

    95                     var docum = new ActiveXObject("htmlfile");

    96                     docum.write("<body>");

    97                     docum.close();

    98                     bod = docum.body;

    99                 } catch(e) {

   100                     bod = createPopup().document.body;

   101                 }

   102                 var range = bod.createTextRange();

   103                 try {

   104                     bod.style.color = color;

   105                     var value = range.queryCommandValue("ForeColor");

   106                     value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);

   107                     return "#" + ("000000" + value[toString](16)).slice(-6);

   108                 } catch(e) {

   109                     return "none";

   110                 }

   111             });

   112         } else {

   113             var i = doc.createElement("i");

   114             i.title = "Rapha\xebl Colour Picker";

   115             i.style.display = "none";

   116             doc.body[appendChild](i);

   117             toHex = cacher(function (color) {

   118                 i.style.color = color;

   119                 return doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");

   120             });

   121         }

   122         return toHex(color);

   123     };

   124     R.hsb2rgb = cacher(function (hue, saturation, brightness) {

   125         if (R.is(hue, "object") && "h" in hue && "s" in hue && "b" in hue) {

   126             brightness = hue.b;

   127             saturation = hue.s;

   128             hue = hue.h;

   129         }

   130         var red,

   131             green,

   132             blue;

   133         if (brightness == 0) {

   134             return {r: 0, g: 0, b: 0, hex: "#000"};

   135         }

   136         if (hue > 1 || saturation > 1 || brightness > 1) {

   137             hue /= 255;

   138             saturation /= 255;

   139             brightness /= 255;

   140         }

   141         var i = ~~(hue * 6),

   142             f = (hue * 6) - i,

   143             p = brightness * (1 - saturation),

   144             q = brightness * (1 - (saturation * f)),

   145             t = brightness * (1 - (saturation * (1 - f)));

   146         red = [brightness, q, p, p, t, brightness, brightness][i];

   147         green = [t, brightness, brightness, q, p, p, t][i];

   148         blue = [p, p, t, brightness, brightness, q, p][i];

   149         red *= 255;

   150         green *= 255;

   151         blue *= 255;

   152         var rgb = {r: red, g: green, b: blue},

   153             r = (~~red)[toString](16),

   154             g = (~~green)[toString](16),

   155             b = (~~blue)[toString](16);

   156         r = r[rp](rg, "0");

   157         g = g[rp](rg, "0");

   158         b = b[rp](rg, "0");

   159         rgb.hex = "#" + r + g + b;

   160         return rgb;

   161     }, R);

   162     R.rgb2hsb = cacher(function (red, green, blue) {

   163         if (R.is(red, "object") && "r" in red && "g" in red && "b" in red) {

   164             blue = red.b;

   165             green = red.g;

   166             red = red.r;

   167         }

   168         if (R.is(red, "string")) {

   169             var clr = R.getRGB(red);

   170             red = clr.r;

   171             green = clr.g;

   172             blue = clr.b;

   173         }

   174         if (red > 1 || green > 1 || blue > 1) {

   175             red /= 255;

   176             green /= 255;

   177             blue /= 255;

   178         }

   179         var max = mmax(red, green, blue),

   180             min = mmin(red, green, blue),

   181             hue,

   182             saturation,

   183             brightness = max;

   184         if (min == max) {

   185             return {h: 0, s: 0, b: max};

   186         } else {

   187             var delta = (max - min);

   188             saturation = delta / max;

   189             if (red == max) {

   190                 hue = (green - blue) / delta;

   191             } else if (green == max) {

   192                 hue = 2 + ((blue - red) / delta);

   193             } else {

   194                 hue = 4 + ((red - green) / delta);

   195             }

   196             hue /= 6;

   197             hue < 0 && hue++;

   198             hue > 1 && hue--;

   199         }

   200         return {h: hue, s: saturation, b: brightness};

   201     }, R);

   202     var p2s = /,?([achlmqrstvxz]),?/gi;

   203     R._path2string = function () {

   204         return this.join(",")[rp](p2s, "$1");

   205     };

   206     function cacher(f, scope, postprocessor) {

   207         function newf() {

   208             var arg = Array[proto].slice.call(arguments, 0),

   209                 args = arg[join]("\u25ba"),

   210                 cache = newf.cache = newf.cache || {},

   211                 count = newf.count = newf.count || [];

   212             if (cache[has](args)) {

   213                 return postprocessor ? postprocessor(cache[args]) : cache[args];

   214             }

   215             count[length] >= 1e3 && delete cache[count.shift()];

   216             count[push](args);

   217             cache[args] = f[apply](scope, arg);

   218             return postprocessor ? postprocessor(cache[args]) : cache[args];

   219         }

   220         return newf;

   221     }

   222  

   223     R.getRGB = cacher(function (colour) {

   224         if (!colour || !!((colour = colour + E).indexOf("-") + 1)) {

   225             return {r: -1, g: -1, b: -1, hex: "none", error: 1};

   226         }

   227         if (colour == "none") {

   228             return {r: -1, g: -1, b: -1, hex: "none"};

   229         }

   230         !(({hs: 1, rg: 1})[has](colour.substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));

   231         var res,

   232             red,

   233             green,

   234             blue,

   235             t,

   236             rgb = colour.match(colourRegExp);

   237         if (rgb) {

   238             if (rgb[2]) {

   239                 blue = toInt(rgb[2].substring(5), 16);

   240                 green = toInt(rgb[2].substring(3, 5), 16);

   241                 red = toInt(rgb[2].substring(1, 3), 16);

   242             }

   243             if (rgb[3]) {

   244                 blue = toInt((t = rgb[3].charAt(3)) + t, 16);

   245                 green = toInt((t = rgb[3].charAt(2)) + t, 16);

   246                 red = toInt((t = rgb[3].charAt(1)) + t, 16);

   247             }

   248             if (rgb[4]) {

   249                 rgb = rgb[4][split](/\s*,\s*/);

   250                 red = toFloat(rgb[0]);

   251                 green = toFloat(rgb[1]);

   252                 blue = toFloat(rgb[2]);

   253             }

   254             if (rgb[5]) {

   255                 rgb = rgb[5][split](/\s*,\s*/);

   256                 red = toFloat(rgb[0]) * 2.55;

   257                 green = toFloat(rgb[1]) * 2.55;

   258                 blue = toFloat(rgb[2]) * 2.55;

   259             }

   260             if (rgb[6]) {

   261                 rgb = rgb[6][split](/\s*,\s*/);

   262                 red = toFloat(rgb[0]);

   263                 green = toFloat(rgb[1]);

   264                 blue = toFloat(rgb[2]);

   265                 return R.hsb2rgb(red, green, blue);

   266             }

   267             if (rgb[7]) {

   268                 rgb = rgb[7][split](/\s*,\s*/);

   269                 red = toFloat(rgb[0]) * 2.55;

   270                 green = toFloat(rgb[1]) * 2.55;

   271                 blue = toFloat(rgb[2]) * 2.55;

   272                 return R.hsb2rgb(red, green, blue);

   273             }

   274             rgb = {r: red, g: green, b: blue};

   275             var r = (~~red)[toString](16),

   276                 g = (~~green)[toString](16),

   277                 b = (~~blue)[toString](16);

   278             r = r[rp](rg, "0");

   279             g = g[rp](rg, "0");

   280             b = b[rp](rg, "0");

   281             rgb.hex = "#" + r + g + b;

   282             return rgb;

   283         }

   284         return {r: -1, g: -1, b: -1, hex: "none", error: 1};

   285     }, R);

   286     R.getColor = function (value) {

   287         var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},

   288             rgb = this.hsb2rgb(start.h, start.s, start.b);

   289         start.h += .075;

   290         if (start.h > 1) {

   291             start.h = 0;

   292             start.s -= .2;

   293             start.s <= 0 && (this.getColor.start = {h: 0, s: 1, b: start.b});

   294         }

   295         return rgb.hex;

   296     };

   297     R.getColor.reset = function () {

   298         delete this.start;

   299     };

   300     // path utilities

   301     R.parsePathString = cacher(function (pathString) {

   302         if (!pathString) {

   303             return null;

   304         }

   305         var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, q: 4, s: 4, t: 2, v: 1, z: 0},

   306             data = [];

   307         if (R.is(pathString, "array") && R.is(pathString[0], "array")) { // rough assumption

   308             data = pathClone(pathString);

   309         }

   310         if (!data[length]) {

   311             (pathString + E)[rp](/([achlmqstvz])[\s,]*((-?\d*\.?\d*(?:e[-+]?\d+)?\s*,?\s*)+)/ig, function (a, b, c) {

   312                 var params = [],

   313                     name = lowerCase.call(b);

   314                 c[rp](/(-?\d*\.?\d*(?:e[-+]?\d+)?)\s*,?\s*/ig, function (a, b) {

   315                     b && params[push](+b);

   316                 });

   317                 while (params[length] >= paramCounts[name]) {

   318                     data[push]([b][concat](params.splice(0, paramCounts[name])));

   319                     if (!paramCounts[name]) {

   320                         break;

   321                     };

   322                 }

   323             });

   324         }

   325         data[toString] = R._path2string;

   326         return data;

   327     });

   328     R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {

   329         var t1 = 1 - t,

   330             x = pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,

   331             y = pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y,

   332             mx = p1x + 2 * t * (c1x - p1x) + t * t * (c2x - 2 * c1x + p1x),

   333             my = p1y + 2 * t * (c1y - p1y) + t * t * (c2y - 2 * c1y + p1y),

   334             nx = c1x + 2 * t * (c2x - c1x) + t * t * (p2x - 2 * c2x + c1x),

   335             ny = c1y + 2 * t * (c2y - c1y) + t * t * (p2y - 2 * c2y + c1y),

   336             ax = (1 - t) * p1x + t * c1x,

   337             ay = (1 - t) * p1y + t * c1y,

   338             cx = (1 - t) * c2x + t * p2x,

   339             cy = (1 - t) * c2y + t * p2y,

   340             alpha = (90 - math.atan((mx - nx) / (my - ny)) * 180 / math.PI);

   341         (mx > nx || my < ny) && (alpha += 180);

   342         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};

   343     };

   344     var pathDimensions = cacher(function (path) {

   345         if (!path) {

   346             return {x: 0, y: 0, width: 0, height: 0};

   347         }

   348         path = path2curve(path);

   349         var x = 0, 

   350             y = 0,

   351             X = [],

   352             Y = [],

   353             p;

   354         for (var i = 0, ii = path[length]; i < ii; i++) {

   355             p = path[i];

   356             if (p[0] == "M") {

   357                 x = p[1];

   358                 y = p[2];

   359                 X[push](x);

   360                 Y[push](y);

   361             } else {

   362                 var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);

   363                 X = X[concat](dim.min.x, dim.max.x);

   364                 Y = Y[concat](dim.min.y, dim.max.y);

   365                 x = p[5];

   366                 y = p[6];

   367             }

   368         }

   369         var xmin = mmin[apply](0, X),

   370             ymin = mmin[apply](0, Y);

   371         return {

   372             x: xmin,

   373             y: ymin,

   374             width: mmax[apply](0, X) - xmin,

   375             height: mmax[apply](0, Y) - ymin

   376         };

   377     }),

   378         pathClone = function (pathArray) {

   379             var res = [];

   380             if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption

   381                 pathArray = R.parsePathString(pathArray);

   382             }

   383             for (var i = 0, ii = pathArray[length]; i < ii; i++) {

   384                 res[i] = [];

   385                 for (var j = 0, jj = pathArray[i][length]; j < jj; j++) {

   386                     res[i][j] = pathArray[i][j];

   387                 }

   388             }

   389             res[toString] = R._path2string;

   390             return res;

   391         },

   392         pathToRelative = cacher(function (pathArray) {

   393             if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption

   394                 pathArray = R.parsePathString(pathArray);

   395             }

   396             var res = [],

   397                 x = 0,

   398                 y = 0,

   399                 mx = 0,

   400                 my = 0,

   401                 start = 0;

   402             if (pathArray[0][0] == "M") {

   403                 x = pathArray[0][1];

   404                 y = pathArray[0][2];

   405                 mx = x;

   406                 my = y;

   407                 start++;

   408                 res[push](["M", x, y]);

   409             }

   410             for (var i = start, ii = pathArray[length]; i < ii; i++) {

   411                 var r = res[i] = [],

   412                     pa = pathArray[i];

   413                 if (pa[0] != lowerCase.call(pa[0])) {

   414                     r[0] = lowerCase.call(pa[0]);

   415                     switch (r[0]) {

   416                         case "a":

   417                             r[1] = pa[1];

   418                             r[2] = pa[2];

   419                             r[3] = pa[3];

   420                             r[4] = pa[4];

   421                             r[5] = pa[5];

   422                             r[6] = +(pa[6] - x).toFixed(3);

   423                             r[7] = +(pa[7] - y).toFixed(3);

   424                             break;

   425                         case "v":

   426                             r[1] = +(pa[1] - y).toFixed(3);

   427                             break;

   428                         case "m":

   429                             mx = pa[1];

   430                             my = pa[2];

   431                         default:

   432                             for (var j = 1, jj = pa[length]; j < jj; j++) {

   433                                 r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);

   434                             }

   435                     }

   436                 } else {

   437                     r = res[i] = [];

   438                     if (pa[0] == "m") {

   439                         mx = pa[1] + x;

   440                         my = pa[2] + y;

   441                     }

   442                     for (var k = 0, kk = pa[length]; k < kk; k++) {

   443                         res[i][k] = pa[k];

   444                     }

   445                 }

   446                 var len = res[i][length];

   447                 switch (res[i][0]) {

   448                     case "z":

   449                         x = mx;

   450                         y = my;

   451                         break;

   452                     case "h":

   453                         x += +res[i][len - 1];

   454                         break;

   455                     case "v":

   456                         y += +res[i][len - 1];

   457                         break;

   458                     default:

   459                         x += +res[i][len - 2];

   460                         y += +res[i][len - 1];

   461                 }

   462             }

   463             res[toString] = R._path2string;

   464             return res;

   465         }, 0, pathClone),

   466         pathToAbsolute = cacher(function (pathArray) {

   467             if (!R.is(pathArray, "array") || !R.is(pathArray && pathArray[0], "array")) { // rough assumption

   468                 pathArray = R.parsePathString(pathArray);

   469             }

   470             var res = [],

   471                 x = 0,

   472                 y = 0,

   473                 mx = 0,

   474                 my = 0,

   475                 start = 0;

   476             if (pathArray[0][0] == "M") {

   477                 x = +pathArray[0][1];

   478                 y = +pathArray[0][2];

   479                 mx = x;

   480                 my = y;

   481                 start++;

   482                 res[0] = ["M", x, y];

   483             }

   484             for (var i = start, ii = pathArray[length]; i < ii; i++) {

   485                 var r = res[i] = [],

   486                     pa = pathArray[i];

   487                 if (pa[0] != upperCase.call(pa[0])) {

   488                     r[0] = upperCase.call(pa[0]);

   489                     switch (r[0]) {

   490                         case "A":

   491                             r[1] = pa[1];

   492                             r[2] = pa[2];

   493                             r[3] = pa[3];

   494                             r[4] = pa[4];

   495                             r[5] = pa[5];

   496                             r[6] = +(pa[6] + x);

   497                             r[7] = +(pa[7] + y);

   498                             break;

   499                         case "V":

   500                             r[1] = +pa[1] + y;

   501                             break;

   502                         case "H":

   503                             r[1] = +pa[1] + x;

   504                             break;

   505                         case "M":

   506                             mx = +pa[1] + x;

   507                             my = +pa[2] + y;

   508                         default:

   509                             for (var j = 1, jj = pa[length]; j < jj; j++) {

   510                                 r[j] = +pa[j] + ((j % 2) ? x : y);

   511                             }

   512                     }

   513                 } else {

   514                     for (var k = 0, kk = pa[length]; k < kk; k++) {

   515                         res[i][k] = pa[k];

   516                     }

   517                 }

   518                 switch (r[0]) {

   519                     case "Z":

   520                         x = mx;

   521                         y = my;

   522                         break;

   523                     case "H":

   524                         x = r[1];

   525                         break;

   526                     case "V":

   527                         y = r[1];

   528                         break;

   529                     default:

   530                         x = res[i][res[i][length] - 2];

   531                         y = res[i][res[i][length] - 1];

   532                 }

   533             }

   534             res[toString] = R._path2string;

   535             return res;

   536         }, null, pathClone),

   537         l2c = function (x1, y1, x2, y2) {

   538             return [x1, y1, x2, y2, x2, y2];

   539         },

   540         q2c = function (x1, y1, ax, ay, x2, y2) {

   541             var _13 = 1 / 3,

   542                 _23 = 2 / 3;

   543             return [

   544                     _13 * x1 + _23 * ax,

   545                     _13 * y1 + _23 * ay,

   546                     _13 * x2 + _23 * ax,

   547                     _13 * y2 + _23 * ay,

   548                     x2,

   549                     y2

   550                 ];

   551         },

   552         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {

   553             // for more information of where this math came from visit:

   554             // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes

   555             var PI = math.PI,

   556                 _120 = PI * 120 / 180,

   557                 rad = PI / 180 * (+angle || 0),

   558                 res = [],

   559                 xy,

   560                 rotate = cacher(function (x, y, rad) {

   561                     var X = x * math.cos(rad) - y * math.sin(rad),

   562                         Y = x * math.sin(rad) + y * math.cos(rad);

   563                     return {x: X, y: Y};

   564                 });

   565             if (!recursive) {

   566                 xy = rotate(x1, y1, -rad);

   567                 x1 = xy.x;

   568                 y1 = xy.y;

   569                 xy = rotate(x2, y2, -rad);

   570                 x2 = xy.x;

   571                 y2 = xy.y;

   572                 var cos = math.cos(PI / 180 * angle),

   573                     sin = math.sin(PI / 180 * angle),

   574                     x = (x1 - x2) / 2,

   575                     y = (y1 - y2) / 2;

   576                 rx = mmax(rx, math.abs(x));

   577                 ry = mmax(ry, math.abs(y));

   578                 var rx2 = rx * rx,

   579                     ry2 = ry * ry,

   580                     k = (large_arc_flag == sweep_flag ? -1 : 1) *

   581                         math.sqrt(math.abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),

   582                     cx = k * rx * y / ry + (x1 + x2) / 2,

   583                     cy = k * -ry * x / rx + (y1 + y2) / 2,

   584                     f1 = math.asin(((y1 - cy) / ry).toFixed(7)),

   585                     f2 = math.asin(((y2 - cy) / ry).toFixed(7));

   586  

   587                 f1 = x1 < cx ? PI - f1 : f1;

   588                 f2 = x2 < cx ? PI - f2 : f2;

   589                 f1 < 0 && (f1 = PI * 2 + f1);

   590                 f2 < 0 && (f2 = PI * 2 + f2);

   591                 if (sweep_flag && f1 > f2) {

   592                     f1 = f1 - PI * 2;

   593                 }

   594                 if (!sweep_flag && f2 > f1) {

   595                     f2 = f2 - PI * 2;

   596                 }

   597             } else {

   598                 f1 = recursive[0];

   599                 f2 = recursive[1];

   600                 cx = recursive[2];

   601                 cy = recursive[3];

   602             }

   603             var df = f2 - f1;

   604             if (math.abs(df) > _120) {

   605                 var f2old = f2,

   606                     x2old = x2,

   607                     y2old = y2;

   608                 f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);

   609                 x2 = cx + rx * math.cos(f2);

   610                 y2 = cy + ry * math.sin(f2);

   611                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);

   612             }

   613             df = f2 - f1;

   614             var c1 = math.cos(f1),

   615                 s1 = math.sin(f1),

   616                 c2 = math.cos(f2),

   617                 s2 = math.sin(f2),

   618                 t = math.tan(df / 4),

   619                 hx = 4 / 3 * rx * t,

   620                 hy = 4 / 3 * ry * t,

   621                 m1 = [x1, y1],

   622                 m2 = [x1 + hx * s1, y1 - hy * c1],

   623                 m3 = [x2 + hx * s2, y2 - hy * c2],

   624                 m4 = [x2, y2];

   625             m2[0] = 2 * m1[0] - m2[0];

   626             m2[1] = 2 * m1[1] - m2[1];

   627             if (recursive) {

   628                 return [m2, m3, m4][concat](res);

   629             } else {

   630                 res = [m2, m3, m4][concat](res)[join]()[split](",");

   631                 var newres = [];

   632                 for (var i = 0, ii = res[length]; i < ii; i++) {

   633                     newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;

   634                 }

   635                 return newres;

   636             }

   637         },

   638         findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {

   639             var t1 = 1 - t;

   640             return {

   641                 x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,

   642                 y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y

   643             };

   644         },

   645         curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {

   646             var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),

   647                 b = 2 * (c1x - p1x) - 2 * (c2x - c1x),

   648                 c = p1x - c1x,

   649                 t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,

   650                 t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,

   651                 y = [p1y, p2y],

   652                 x = [p1x, p2x],

   653                 dot;

   654             math.abs(t1) > 1e12 && (t1 = .5);

   655             math.abs(t2) > 1e12 && (t2 = .5);

   656             if (t1 > 0 && t1 < 1) {

   657                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);

   658                 x[push](dot.x);

   659                 y[push](dot.y);

   660             }

   661             if (t2 > 0 && t2 < 1) {

   662                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);

   663                 x[push](dot.x);

   664                 y[push](dot.y);

   665             }

   666             a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);

   667             b = 2 * (c1y - p1y) - 2 * (c2y - c1y);

   668             c = p1y - c1y;

   669             t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;

   670             t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;

   671             math.abs(t1) > 1e12 && (t1 = .5);

   672             math.abs(t2) > 1e12 && (t2 = .5);

   673             if (t1 > 0 && t1 < 1) {

   674                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);

   675                 x[push](dot.x);

   676                 y[push](dot.y);

   677             }

   678             if (t2 > 0 && t2 < 1) {

   679                 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);

   680                 x[push](dot.x);

   681                 y[push](dot.y);

   682             }

   683             return {

   684                 min: {x: mmin[apply](0, x), y: mmin[apply](0, y)},

   685                 max: {x: mmax[apply](0, x), y: mmax[apply](0, y)}

   686             };

   687         }),

   688         path2curve = cacher(function (path, path2) {

   689             var p = pathToAbsolute(path),

   690                 p2 = path2 && pathToAbsolute(path2),

   691                 attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},

   692                 attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},

   693                 processPath = function (path, d) {

   694                     var nx, ny;

   695                     if (!path) {

   696                         return ["C", d.x, d.y, d.x, d.y, d.x, d.y];

   697                     }

   698                     !(path[0] in {T:1, Q:1}) && (d.qx = d.qy = null);

   699                     switch (path[0]) {

   700                         case "M":

   701                             d.X = path[1];

   702                             d.Y = path[2];

   703                             break;

   704                         case "A":

   705                             path = ["C"][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));

   706                             break;

   707                         case "S":

   708                             nx = d.x + (d.x - (d.bx || d.x));

   709                             ny = d.y + (d.y - (d.by || d.y));

   710                             path = ["C", nx, ny][concat](path.slice(1));

   711                             break;

   712                         case "T":

   713                             d.qx = d.x + (d.x - (d.qx || d.x));

   714                             d.qy = d.y + (d.y - (d.qy || d.y));

   715                             path = ["C"][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));

   716                             break;

   717                         case "Q":

   718                             d.qx = path[1];

   719                             d.qy = path[2];

   720                             path = ["C"][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));

   721                             break;

   722                         case "L":

   723                             path = ["C"][concat](l2c(d.x, d.y, path[1], path[2]));

   724                             break;

   725                         case "H":

   726                             path = ["C"][concat](l2c(d.x, d.y, path[1], d.y));

   727                             break;

   728                         case "V":

   729                             path = ["C"][concat](l2c(d.x, d.y, d.x, path[1]));

   730                             break;

   731                         case "Z":

   732                             path = ["C"][concat](l2c(d.x, d.y, d.X, d.Y));

   733                             break;

   734                     }

   735                     return path;

   736                 },

   737                 fixArc = function (pp, i) {

   738                     if (pp[i][length] > 7) {

   739                         pp[i].shift();

   740                         var pi = pp[i];

   741                         while (pi[length]) {

   742                             pp.splice(i++, 0, ["C"][concat](pi.splice(0, 6)));

   743                         }

   744                         pp.splice(i, 1);

   745                         ii = mmax(p[length], p2 && p2[length] || 0);

   746                     }

   747                 },

   748                 fixM = function (path1, path2, a1, a2, i) {

   749                     if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {

   750                         path2.splice(i, 0, ["M", a2.x, a2.y]);

   751                         a1.bx = 0;

   752                         a1.by = 0;

   753                         a1.x = path1[i][1];

   754                         a1.y = path1[i][2];

   755                         ii = mmax(p[length], p2 && p2[length] || 0);

   756                     }

   757                 };

   758             for (var i = 0, ii = mmax(p[length], p2 && p2[length] || 0); i < ii; i++) {

   759                 p[i] = processPath(p[i], attrs);

   760                 fixArc(p, i);

   761                 p2 && (p2[i] = processPath(p2[i], attrs2));

   762                 p2 && fixArc(p2, i);

   763                 fixM(p, p2, attrs, attrs2, i);

   764                 fixM(p2, p, attrs2, attrs, i);

   765                 var seg = p[i],

   766                     seg2 = p2 && p2[i],

   767                     seglen = seg[length],

   768                     seg2len = p2 && seg2[length];

   769                 attrs.x = seg[seglen - 2];

   770                 attrs.y = seg[seglen - 1];

   771                 attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;

   772                 attrs.by = toFloat(seg[seglen - 3]) || attrs.y;

   773                 attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);

   774                 attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);

   775                 attrs2.x = p2 && seg2[seg2len - 2];

   776                 attrs2.y = p2 && seg2[seg2len - 1];

   777             }

   778             return p2 ? [p, p2] : p;

   779         }, null, pathClone),

   780         parseDots = cacher(function (gradient) {

   781             var dots = [];

   782             for (var i = 0, ii = gradient[length]; i < ii; i++) {

   783                 var dot = {},

   784                     par = gradient[i].match(/^([^:]*):?([\d\.]*)/);

   785                 dot.color = R.getRGB(par[1]);

   786                 if (dot.color.error) {

   787                     return null;

   788                 }

   789                 dot.color = dot.color.hex;

   790                 par[2] && (dot.offset = par[2] + "%");

   791                 dots[push](dot);

   792             }

   793             for (var i = 1, ii = dots[length] - 1; i < ii; i++) {

   794                 if (!dots[i].offset) {

   795                     var start = toFloat(dots[i - 1].offset || 0),

   796                         end = 0;

   797                     for (var j = i + 1; j < ii; j++) {

   798                         if (dots[j].offset) {

   799                             end = dots[j].offset;

   800                             break;

   801                         }

   802                     }

   803                     if (!end) {

   804                         end = 100;

   805                         j = ii;

   806                     }

   807                     end = toFloat(end);

   808                     var d = (end - start) / (j - i + 1);

   809                     for (; i < j; i++) {

   810                         start += d;

   811                         dots[i].offset = start + "%";

   812                     }

   813                 }

   814             }

   815             return dots;

   816         }),

   817         getContainer = function () {

   818             var container,

   819                 x,

   820                 y,

   821                 width,

   822                 height;

   823             if (R.is(arguments[0], "string") || R.is(arguments[0], "object")) {

   824                 if (R.is(arguments[0], "string")) {

   825                     container = doc.getElementById(arguments[0]);

   826                 } else {

   827                     container = arguments[0];

   828                 }

   829                 if (container.tagName) {

   830                     if (arguments[1] == null) {

   831                         return {

   832                             container: container,

   833                             width: container.style.pixelWidth || container.offsetWidth,

   834                             height: container.style.pixelHeight || container.offsetHeight

   835                         };

   836                     } else {

   837                         return {container: container, width: arguments[1], height: arguments[2]};

   838                     }

   839                 }

   840             } else if (R.is(arguments[0], nu) && arguments[length] > 3) {

   841                 return {container: 1, x: arguments[0], y: arguments[1], width: arguments[2], height: arguments[3]};

   842             }

   843         },

   844         plugins = function (con, add) {

   845             var that = this;

   846             for (var prop in add) if (add[has](prop) && !(prop in con)) {

   847                 switch (typeof add[prop]) {

   848                     case "function":

   849                         (function (f) {

   850                             con[prop] = con === that ? f : function () { return f[apply](that, arguments); };

   851                         })(add[prop]);

   852                     break;

   853                     case "object":

   854                         con[prop] = con[prop] || {};

   855                         plugins.call(this, con[prop], add[prop]);

   856                     break;

   857                     default:

   858                         con[prop] = add[prop];

   859                     break;

   860                 }

   861             }

   862         },

   863         tear = function (el, paper) {

   864             el == paper.top && (paper.top = el.prev);

   865             el == paper.bottom && (paper.bottom = el.next);

   866             el.next && (el.next.prev = el.prev);

   867             el.prev && (el.prev.next = el.next);

   868         },

   869         tofront = function (el, paper) {

   870             if (paper.top === el) {

   871                 return;

   872             }

   873             tear(el, paper);

   874             el.next = null;

   875             el.prev = paper.top;

   876             paper.top.next = el;

   877             paper.top = el;

   878         },

   879         toback = function (el, paper) {

   880             if (paper.bottom === el) {

   881                 return;

   882             }

   883             tear(el, paper);

   884             el.next = paper.bottom;

   885             el.prev = null;

   886             paper.bottom.prev = el;

   887             paper.bottom = el;

   888         },

   889         insertafter = function (el, el2, paper) {

   890             tear(el, paper);

   891             el2 == paper.top && (paper.top = el);

   892             el2.next && (el2.next.prev = el);

   893             el.next = el2.next;

   894             el.prev = el2;

   895             el2.next = el;

   896         },

   897         insertbefore = function (el, el2, paper) {

   898             tear(el, paper);

   899             el2 == paper.bottom && (paper.bottom = el);

   900             el2.prev && (el2.prev.next = el);

   901             el.prev = el2.prev;

   902             el2.prev = el;

   903             el.next = el2;

   904         },

   905         removed = function (methodname) {

   906             return function () {

   907                 throw new Error("Rapha\xebl: you are calling to method \u201c" + methodname + "\u201d of removed object");

   908             };

   909         },

   910         radial_gradient = /^r(?:\(([^,]+?)\s*,\s*([^\)]+?)\))?/;

   911  

   912     // SVG

   913     if (R.svg) {

   914         Paper[proto].svgns = "http://www.w3.org/2000/svg";

   915         Paper[proto].xlink = "http://www.w3.org/1999/xlink";

   916         var round = function (num) {

   917             return +num + (~~num === num) * .5;

   918         },

   919             roundPath = function (path) {

   920                 for (var i = 0, ii = path[length]; i < ii; i++) {

   921                     if (lowerCase.call(path[i][0]) != "a") {

   922                         for (var j = 1, jj = path[i][length]; j < jj; j++) {

   923                             path[i][j] = round(path[i][j]);

   924                         }

   925                     } else {

   926                         path[i][6] = round(path[i][6]);

   927                         path[i][7] = round(path[i][7]);

   928                     }

   929                 }

   930                 return path;

   931             },

   932             $ = function (el, attr) {

   933                 if (attr) {

   934                     for (var key in attr) if (attr[has](key)) {

   935                         el[setAttribute](key, attr[key]);

   936                     }

   937                 } else {

   938                     return doc.createElementNS(Paper[proto].svgns, el);

   939                 }

   940             };

   941         R[toString] = function () {

   942             return  "Your browser supports SVG.\nYou are running Rapha\xebl " + this.version;

   943         };

   944         var thePath = function (pathString, SVG) {

   945             var el = $("path");

   946             SVG.canvas && SVG.canvas[appendChild](el);

   947             var p = new Element(el, SVG);

   948             p.type = "path";

   949             setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});

   950             return p;

   951         };

   952         var addGradientFill = function (o, gradient, SVG) {

   953             var type = "linear",

   954                 fx = .5, fy = .5,

   955                 s = o.style;

   956             gradient = (gradient + E)[rp](radial_gradient, function (all, _fx, _fy) {

   957                 type = "radial";

   958                 if (_fx && _fy) {

   959                     fx = toFloat(_fx);

   960                     fy = toFloat(_fy);

   961                     var dir = ((fy > .5) * 2 - 1);

   962                     pow(fx - .5, 2) + pow(fy - .5, 2) > .25 &&

   963                         (fy = math.sqrt(.25 - pow(fx - .5, 2)) * dir + .5) &&

   964                         fy != .5 &&

   965                         (fy = fy.toFixed(5) - 1e-5 * dir);

   966                 }

   967                 return E;

   968             });

   969             gradient = gradient[split](/\s*\-\s*/);

   970             if (type == "linear") {

   971                 var angle = gradient.shift();

   972                 angle = -toFloat(angle);

   973                 if (isNaN(angle)) {

   974                     return null;

   975                 }

   976                 var vector = [0, 0, math.cos(angle * math.PI / 180), math.sin(angle * math.PI / 180)],

   977                     max = 1 / (mmax(math.abs(vector[2]), math.abs(vector[3])) || 1);

   978                 vector[2] *= max;

   979                 vector[3] *= max;

   980                 if (vector[2] < 0) {

   981                     vector[0] = -vector[2];

   982                     vector[2] = 0;

   983                 }

   984                 if (vector[3] < 0) {

   985                     vector[1] = -vector[3];

   986                     vector[3] = 0;

   987                 }

   988             }

   989             var dots = parseDots(gradient);

   990             if (!dots) {

   991                 return null;

   992             }

   993             var el = $(type + "Gradient");

   994             el.id = "r" + (R._id++)[toString](36);

   995             $(el, type == "radial" ? {fx: fx, fy: fy} : {x1: vector[0], y1: vector[1], x2: vector[2], y2: vector[3]});

   996             SVG.defs[appendChild](el);

   997             for (var i = 0, ii = dots[length]; i < ii; i++) {

   998                 var stop = $("stop");

   999                 $(stop, {

  1000                     offset: dots[i].offset ? dots[i].offset : !i ? "0%" : "100%",

  1001                     "stop-color": dots[i].color || "#fff"

  1002                 });

  1003                 el[appendChild](stop);

  1004             };

  1005             $(o, {

  1006                 fill: "url(#" + el.id + ")",

  1007                 opacity: 1,

  1008                 "fill-opacity": 1

  1009             });

  1010             s.fill = E;

  1011             s.opacity = 1;

  1012             s.fillOpacity = 1;

  1013             return 1;

  1014         };

  1015         var updatePosition = function (o) {

  1016             var bbox = o.getBBox();

  1017             $(o.pattern, {patternTransform: R.format("translate({0},{1})", bbox.x, bbox.y)});

  1018         };

  1019         var setFillAndStroke = function (o, params) {

  1020             var dasharray = {

  1021                     "": [0],

  1022                     "none": [0],

  1023                     "-": [3, 1],

  1024                     ".": [1, 1],

  1025                     "-.": [3, 1, 1, 1],

  1026                     "-..": [3, 1, 1, 1, 1, 1],

  1027                     ". ": [1, 3],

  1028                     "- ": [4, 3],

  1029                     "--": [8, 3],

  1030                     "- .": [4, 3, 1, 3],

  1031                     "--.": [8, 3, 1, 3],

  1032                     "--..": [8, 3, 1, 3, 1, 3]

  1033                 },

  1034                 node = o.node,

  1035                 attrs = o.attrs,

  1036                 rot = o.rotate(),

  1037                 addDashes = function (o, value) {

  1038                     value = dasharray[lowerCase.call(value)];

  1039                     if (value) {

  1040                         var width = o.attrs["stroke-width"] || "1",

  1041                             butt = {round: width, square: width, butt: 0}[o.attrs["stroke-linecap"] || params["stroke-linecap"]] || 0,

  1042                             dashes = [];

  1043                         var i = value[length];

  1044                         while (i--) {

  1045                             dashes[i] = value[i] * width + ((i % 2) ? 1 : -1) * butt;

  1046                         }

  1047                         $(node, {"stroke-dasharray": dashes[join](",")});

  1048                     }

  1049                 };

  1050             params[has]("rotation") && (rot = params.rotation);

  1051             var rotxy = (rot + E)[split](separator);

  1052             if (!(rotxy.length - 1)) {

  1053                 rotxy = null;

  1054             } else {

  1055                 rotxy[1] = +rotxy[1];

  1056                 rotxy[2] = +rotxy[2];

  1057             }

  1058             toFloat(rot) && o.rotate(0, true);

  1059             for (var att in params) if (params[has](att)) {

  1060                 if (!availableAttrs[has](att)) {

  1061                     continue;

  1062                 }

  1063                 var value = params[att];

  1064                 attrs[att] = value;

  1065                 switch (att) {

  1066                     case "rotation":

  1067                         o.rotate(value, true);

  1068                         break;

  1069                     // Hyperlink

  1070                     case "href":

  1071                     case "title":

  1072                     case "target":

  1073                         var pn = node.parentNode;

  1074                         if (lowerCase.call(pn.tagName) != "a") {

  1075                             var hl = $("a");

  1076                             pn.insertBefore(hl, node);

  1077                             hl[appendChild](node);

  1078                             pn = hl;

  1079                         }

  1080                         pn.setAttributeNS(o.Paper[proto].xlink, att, value);

  1081                         break;

  1082                     case "cursor":

  1083                         node.style.cursor = value;

  1084                         break;

  1085                     case "clip-rect":

  1086                         var rect = (value + E)[split](separator);

  1087                         if (rect[length] == 4) {

  1088                             o.clip && o.clip.parentNode.parentNode.removeChild(o.clip.parentNode);

  1089                             var el = $("clipPath"),

  1090                                 rc = $("rect");

  1091                             el.id = "r" + (R._id++)[toString](36);

  1092                             $(rc, {

  1093                                 x: rect[0],

  1094                                 y: rect[1],

  1095                                 width: rect[2],

  1096                                 height: rect[3]

  1097                             });

  1098                             el[appendChild](rc);

  1099                             o.paper.defs[appendChild](el);

  1100                             $(node, {"clip-path": "url(#" + el.id + ")"});

  1101                             o.clip = rc;

  1102                         }

  1103                         if (!value) {

  1104                             var clip = doc.getElementById(node.getAttribute("clip-path")[rp](/(^url\(#|\)$)/g, E));

  1105                             clip && clip.parentNode.removeChild(clip);

  1106                             $(node, {"clip-path": E});

  1107                             delete o.clip;

  1108                         }

  1109                     break;

  1110                     case "path":

  1111                         if (value && o.type == "path") {

  1112                             attrs.path = roundPath(pathToAbsolute(value));

  1113                             $(node, {d: attrs.path});

  1114                         }

  1115                         break;

  1116                     case "width":

  1117                         node[setAttribute](att, value);

  1118                         if (attrs.fx) {

  1119                             att = "x";

  1120                             value = attrs.x;

  1121                         } else {

  1122                             break;

  1123                         }

  1124                     case "x":

  1125                         if (attrs.fx) {

  1126                             value = -attrs.x - (attrs.width || 0);

  1127                         }

  1128                     case "rx":

  1129                         if (att == "rx" && o.type == "rect") {

  1130                             break;

  1131                         }

  1132                     case "cx":

  1133                         rotxy && (att == "x" || att == "cx") && (rotxy[1] += value - attrs[att]);

  1134                         node[setAttribute](att, round(value));

  1135                         o.pattern && updatePosition(o);

  1136                         break;

  1137                     case "height":

  1138                         node[setAttribute](att, value);

  1139                         if (attrs.fy) {

  1140                             att = "y";

  1141                             value = attrs.y;

  1142                         } else {

  1143                             break;

  1144                         }

  1145                     case "y":

  1146                         if (attrs.fy) {

  1147                             value = -attrs.y - (attrs.height || 0);

  1148                         }

  1149                     case "ry":

  1150                         if (att == "ry" && o.type == "rect") {

  1151                             break;

  1152                         }

  1153                     case "cy":

  1154                         rotxy && (att == "y" || att == "cy") && (rotxy[2] += value - attrs[att]);

  1155                         node[setAttribute](att, round(value));

  1156                         o.pattern && updatePosition(o);

  1157                         break;

  1158                     case "r":

  1159                         if (o.type == "rect") {

  1160                             $(node, {rx: value, ry: value});

  1161                         } else {

  1162                             node[setAttribute](att, value);

  1163                         }

  1164                         break;

  1165                     case "src":

  1166                         if (o.type == "image") {

  1167                             node.setAttributeNS(o.paper.xlink, "href", value);

  1168                         }

  1169                         break;

  1170                     case "stroke-width":

  1171                         node.style.strokeWidth = value;

  1172                         // Need following line for Firefox

  1173                         node[setAttribute](att, value);

  1174                         if (attrs["stroke-dasharray"]) {

  1175                             addDashes(o, attrs["stroke-dasharray"]);

  1176                         }

  1177                         break;

  1178                     case "stroke-dasharray":

  1179                         addDashes(o, value);

  1180                         break;

  1181                     case "translation":

  1182                         var xy = (value + E)[split](separator);

  1183                         xy[0] = +xy[0] || 0;

  1184                         xy[1] = +xy[1] || 0;

  1185                         if (rotxy) {

  1186                             rotxy[1] += xy[0];

  1187                             rotxy[2] += xy[1];

  1188                         }

  1189                         translate.call(o, xy[0], xy[1]);

  1190                         break;

  1191                     case "scale":

  1192                         var xy = (value + E)[split](separator);

  1193                         o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);

  1194                         break;

  1195                     case "fill":

  1196                         var isURL = (value + E).match(ISURL);

  1197                         if (isURL) {

  1198                             var el = $("pattern"),

  1199                                 ig = $("image");

  1200                             el.id = "r" + (R._id++)[toString](36);

  1201                             $(el, {x: 0, y: 0, patternUnits: "userSpaceOnUse", height: 1, width: 1});

  1202                             $(ig, {x: 0, y: 0});

  1203                             ig.setAttributeNS(o.paper.xlink, "href", isURL[1]);

  1204                             el[appendChild](ig);

  1205  

  1206                             var img = doc.createElement("img");

  1207                             img.style.cssText = "position:absolute;left:-9999em;top-9999em";

  1208                             img.onload = function () {

  1209                                 $(el, {width: this.offsetWidth, height: this.offsetHeight});

  1210                                 $(ig, {width: this.offsetWidth, height: this.offsetHeight});

  1211                                 doc.body.removeChild(this);

  1212                                 o.paper.safari();

  1213                             };

  1214                             doc.body[appendChild](img);

  1215                             img.src = isURL[1];

  1216                             o.paper.defs[appendChild](el);

  1217                             node.style.fill = "url(#" + el.id + ")";

  1218                             $(node, {fill: "url(#" + el.id + ")"});

  1219                             o.pattern = el;

  1220                             o.pattern && updatePosition(o);

  1221                             break;

  1222                         }

  1223                         if (!R.getRGB(value).error) {

  1224                             delete params.gradient;

  1225                             delete attrs.gradient;

  1226                             !R.is(attrs.opacity, "undefined") &&

  1227                                 R.is(params.opacity, "undefined") &&

  1228                                 $(node, {opacity: attrs.opacity});

  1229                             !R.is(attrs["fill-opacity"], "undefined") &&

  1230                                 R.is(params["fill-opacity"], "undefined") &&

  1231                                 $(node, {"fill-opacity": attrs["fill-opacity"]});

  1232                         } else if ((({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper)) {

  1233                             attrs.gradient = value;

  1234                             attrs.fill = "none";

  1235                             break;

  1236                         }

  1237                     case "stroke":

  1238                         node[setAttribute](att, R.getRGB(value).hex);

  1239                         break;

  1240                     case "gradient":

  1241                         (({circle: 1, ellipse: 1})[has](o.type) || (value + E).charAt() != "r") && addGradientFill(node, value, o.paper);

  1242                         break;

  1243                     case "opacity":

  1244                     case "fill-opacity":

  1245                         if (attrs.gradient) {

  1246                             var gradient = doc.getElementById(node.getAttribute("fill")[rp](/^url\(#|\)$/g, E));

  1247                             if (gradient) {

  1248                                 var stops = gradient.getElementsByTagName("stop");

  1249                                 stops[stops[length] - 1][setAttribute]("stop-opacity", value);

  1250                             }

  1251                             break;

  1252                         }

  1253                     default:

  1254                         att == "font-size" && (value = toInt(value, 10) + "px");

  1255                         var cssrule = att[rp](/(\-.)/g, function (w) {

  1256                             return upperCase.call(w.substring(1));

  1257                         });

  1258                         node.style[cssrule] = value;

  1259                         // Need following line for Firefox

  1260                         node[setAttribute](att, value);

  1261                         break;

  1262                 }

  1263             }

  1264             

  1265             tuneText(o, params);

  1266             if (rotxy) {

  1267                 o.rotate(rotxy.join(S));

  1268             } else {

  1269                 toFloat(rot) && o.rotate(rot, true);

  1270             }

  1271         };

  1272         var leading = 1.2;

  1273         var tuneText = function (el, params) {

  1274             if (el.type != "text" || !(params[has]("text") || params[has]("font") || params[has]("font-size") || params[has]("x") || params[has]("y"))) {

  1275                 return;

  1276             }

  1277             var a = el.attrs,

  1278                 node = el.node,

  1279                 fontSize = node.firstChild ? toInt(doc.defaultView.getComputedStyle(node.firstChild, E).getPropertyValue("font-size"), 10) : 10;

  1280  

  1281             if (params[has]("text")) {

  1282                 a.text = params.text;

  1283                 while (node.firstChild) {

  1284                     node.removeChild(node.firstChild);

  1285                 }

  1286                 var texts = (params.text + E)[split]("\n");

  1287                 for (var i = 0, ii = texts[length]; i < ii; i++) if (texts[i]) {

  1288                     var tspan = $("tspan");

  1289                     i && $(tspan, {dy: fontSize * leading, x: a.x});

  1290                     tspan[appendChild](doc.createTextNode(texts[i]));

  1291                     node[appendChild](tspan);

  1292                 }

  1293             } else {

  1294                 var texts = node.getElementsByTagName("tspan");

  1295                 for (var i = 0, ii = texts[length]; i < ii; i++) {

  1296                     i && $(texts[i], {dy: fontSize * leading, x: a.x});

  1297                 }

  1298             }

  1299             $(node, {y: a.y});

  1300             var bb = el.getBBox(),

  1301                 dif = a.y - (bb.y + bb.height / 2);

  1302             dif && isFinite(dif) && $(node, {y: a.y + dif});

  1303         };

  1304         var Element = function (node, svg) {

  1305             var X = 0,

  1306                 Y = 0;

  1307             this[0] = node;

  1308             this.id = R._oid++;

  1309             this.node = node;

  1310             node.raphael = this;

  1311             this.paper = svg;

  1312             this.attrs = this.attrs || {};

  1313             this.transformations = []; // rotate, translate, scale

  1314             this._ = {

  1315                 tx: 0,

  1316                 ty: 0,

  1317                 rt: {deg: 0, cx: 0, cy: 0},

  1318                 sx: 1,

  1319                 sy: 1

  1320             };

  1321             !svg.bottom && (svg.bottom = this);

  1322             this.prev = svg.top;

  1323             svg.top && (svg.top.next = this);

  1324             svg.top = this;

  1325             this.next = null;

  1326         };

  1327         Element[proto].rotate = function (deg, cx, cy) {

  1328             if (this.removed) {

  1329                 return this;

  1330             }

  1331             if (deg == null) {

  1332                 if (this._.rt.cx) {

  1333                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);

  1334                 }

  1335                 return this._.rt.deg;

  1336             }

  1337             var bbox = this.getBBox();

  1338             deg = (deg + E)[split](separator);

  1339             if (deg[length] - 1) {

  1340                 cx = toFloat(deg[1]);

  1341                 cy = toFloat(deg[2]);

  1342             }

  1343             deg = toFloat(deg[0]);

  1344             if (cx != null) {

  1345                 this._.rt.deg = deg;

  1346             } else {

  1347                 this._.rt.deg += deg;

  1348             }

  1349             (cy == null) && (cx = null);

  1350             this._.rt.cx = cx;

  1351             this._.rt.cy = cy;

  1352             cx = cx == null ? bbox.x + bbox.width / 2 : cx;

  1353             cy = cy == null ? bbox.y + bbox.height / 2 : cy;

  1354             if (this._.rt.deg) {

  1355                 this.transformations[0] = R.format("rotate({0} {1} {2})", this._.rt.deg, cx, cy);

  1356                 this.clip && $(this.clip, {transform: R.format("rotate({0} {1} {2})", -this._.rt.deg, cx, cy)});

  1357             } else {

  1358                 this.transformations[0] = E;

  1359                 this.clip && $(this.clip, {transform: E});

  1360             }

  1361             $(this.node, {transform: this.transformations[join](S)});

  1362             return this;

  1363         };

  1364         Element[proto].hide = function () {

  1365             !this.removed && (this.node.style.display = "none");

  1366             return this;

  1367         };

  1368         Element[proto].show = function () {

  1369             !this.removed && (this.node.style.display = "");

  1370             return this;

  1371         };

  1372         Element[proto].remove = function () {

  1373             if (this.removed) {

  1374                 return;

  1375             }

  1376             tear(this, this.paper);

  1377             this.node.parentNode.removeChild(this.node);

  1378             for (var i in this) {

  1379                 delete this[i];

  1380             }

  1381             this.removed = true;

  1382         };

  1383         Element[proto].getBBox = function () {

  1384             if (this.removed) {

  1385                 return this;

  1386             }

  1387             if (this.type == "path") {

  1388                 return pathDimensions(this.attrs.path);

  1389             }

  1390             if (this.node.style.display == "none") {

  1391                 this.show();

  1392                 var hide = true;

  1393             }

  1394             var bbox = {};

  1395             try {

  1396                 bbox = this.node.getBBox();

  1397             } catch(e) {

  1398                 // Firefox 3.0.x plays badly here

  1399             } finally {

  1400                 bbox = bbox || {};

  1401             }

  1402             if (this.type == "text") {

  1403                 bbox = {x: bbox.x, y: Infinity, width: 0, height: 0};

  1404                 for (var i = 0, ii = this.node.getNumberOfChars(); i < ii; i++) {

  1405                     var bb = this.node.getExtentOfChar(i);

  1406                     (bb.y < bbox.y) && (bbox.y = bb.y);

  1407                     (bb.y + bb.height - bbox.y > bbox.height) && (bbox.height = bb.y + bb.height - bbox.y);

  1408                     (bb.x + bb.width - bbox.x > bbox.width) && (bbox.width = bb.x + bb.width - bbox.x);

  1409                 }

  1410             }

  1411             hide && this.hide();

  1412             return bbox;

  1413         };

  1414         Element[proto].attr = function () {

  1415             if (this.removed) {

  1416                 return this;

  1417             }

  1418             if (arguments[length] == 0) {

  1419                 var res = {};

  1420                 for (var i in this.attrs) if (this.attrs[has](i)) {

  1421                     res[i] = this.attrs[i];

  1422                 }

  1423                 this._.rt.deg && (res.rotation = this.rotate());

  1424                 (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());

  1425                 res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;

  1426                 return res;

  1427             }

  1428             if (arguments[length] == 1 && R.is(arguments[0], "string")) {

  1429                 if (arguments[0] == "translation") {

  1430                     return translate.call(this);

  1431                 }

  1432                 if (arguments[0] == "rotation") {

  1433                     return this.rotate();

  1434                 }

  1435                 if (arguments[0] == "scale") {

  1436                     return this.scale();

  1437                 }

  1438                 if (arguments[0] == "fill" && this.attrs.fill == "none" && this.attrs.gradient) {

  1439                     return this.attrs.gradient;

  1440                 }

  1441                 return this.attrs[arguments[0]];

  1442             }

  1443             if (arguments[length] == 1 && R.is(arguments[0], "array")) {

  1444                 var values = {};

  1445                 for (var j in arguments[0]) if (arguments[0][has](j)) {

  1446                     values[arguments[0][j]] = this.attrs[arguments[0][j]];

  1447                 }

  1448                 return values;

  1449             }

  1450             if (arguments[length] == 2) {

  1451                 var params = {};

  1452                 params[arguments[0]] = arguments[1];

  1453                 setFillAndStroke(this, params);

  1454             } else if (arguments[length] == 1 && R.is(arguments[0], "object")) {

  1455                 setFillAndStroke(this, arguments[0]);

  1456             }

  1457             return this;

  1458         };

  1459         Element[proto].toFront = function () {

  1460             if (this.removed) {

  1461                 return this;

  1462             }

  1463             this.node.parentNode[appendChild](this.node);

  1464             var svg = this.paper;

  1465             svg.top != this && tofront(this, svg);

  1466             return this;

  1467         };

  1468         Element[proto].toBack = function () {

  1469             if (this.removed) {

  1470                 return this;

  1471             }

  1472             if (this.node.parentNode.firstChild != this.node) {

  1473                 this.node.parentNode.insertBefore(this.node, this.node.parentNode.firstChild);

  1474                 toback(this, this.paper);

  1475                 var svg = this.paper;

  1476             }

  1477             return this;

  1478         };

  1479         Element[proto].insertAfter = function (element) {

  1480             if (this.removed) {

  1481                 return this;

  1482             }

  1483             var node = element.node;

  1484             if (node.nextSibling) {

  1485                 node.parentNode.insertBefore(this.node, node.nextSibling);

  1486             } else {

  1487                 node.parentNode[appendChild](this.node);

  1488             }

  1489             insertafter(this, element, this.paper);

  1490             return this;

  1491         };

  1492         Element[proto].insertBefore = function (element) {

  1493             if (this.removed) {

  1494                 return this;

  1495             }

  1496             var node = element.node;

  1497             node.parentNode.insertBefore(this.node, node);

  1498             insertbefore(this, element, this.paper);

  1499             return this;

  1500         };

  1501         var theCircle = function (svg, x, y, r) {

  1502             x = round(x);

  1503             y = round(y);

  1504             var el = $("circle");

  1505             svg.canvas && svg.canvas[appendChild](el);

  1506             var res = new Element(el, svg);

  1507             res.attrs = {cx: x, cy: y, r: r, fill: "none", stroke: "#000"};

  1508             res.type = "circle";

  1509             $(el, res.attrs);

  1510             return res;

  1511         };

  1512         var theRect = function (svg, x, y, w, h, r) {

  1513             x = round(x);

  1514             y = round(y);

  1515             var el = $("rect");

  1516             svg.canvas && svg.canvas[appendChild](el);

  1517             var res = new Element(el, svg);

  1518             res.attrs = {x: x, y: y, width: w, height: h, r: r || 0, rx: r || 0, ry: r || 0, fill: "none", stroke: "#000"};

  1519             res.type = "rect";

  1520             $(el, res.attrs);

  1521             return res;

  1522         };

  1523         var theEllipse = function (svg, x, y, rx, ry) {

  1524             x = round(x);

  1525             y = round(y);

  1526             var el = $("ellipse");

  1527             svg.canvas && svg.canvas[appendChild](el);

  1528             var res = new Element(el, svg);

  1529             res.attrs = {cx: x, cy: y, rx: rx, ry: ry, fill: "none", stroke: "#000"};

  1530             res.type = "ellipse";

  1531             $(el, res.attrs);

  1532             return res;

  1533         };

  1534         var theImage = function (svg, src, x, y, w, h) {

  1535             var el = $("image");

  1536             $(el, {x: x, y: y, width: w, height: h, preserveAspectRatio: "none"});

  1537             el.setAttributeNS(svg.xlink, "href", src);

  1538             svg.canvas && svg.canvas[appendChild](el);

  1539             var res = new Element(el, svg);

  1540             res.attrs = {x: x, y: y, width: w, height: h, src: src};

  1541             res.type = "image";

  1542             return res;

  1543         };

  1544         var theText = function (svg, x, y, text) {

  1545             var el = $("text");

  1546             $(el, {x: x, y: y, "text-anchor": "middle"});

  1547             svg.canvas && svg.canvas[appendChild](el);

  1548             var res = new Element(el, svg);

  1549             res.attrs = {x: x, y: y, "text-anchor": "middle", text: text, font: availableAttrs.font, stroke: "none", fill: "#000"};

  1550             res.type = "text";

  1551             setFillAndStroke(res, res.attrs);

  1552             return res;

  1553         };

  1554         var setSize = function (width, height) {

  1555             this.width = width || this.width;

  1556             this.height = height || this.height;

  1557             this.canvas[setAttribute]("width", this.width);

  1558             this.canvas[setAttribute]("height", this.height);

  1559             return this;

  1560         };

  1561         var create = function () {

  1562             var con = getContainer[apply](null, arguments),

  1563                 container = con && con.container,

  1564                 x = con.x,

  1565                 y = con.y,

  1566                 width = con.width,

  1567                 height = con.height;

  1568             if (!container) {

  1569                 throw new Error("SVG container not found.");

  1570             }

  1571             var cnvs = $("svg");

  1572             width = width || 512;

  1573             height = height || 342;

  1574             $(cnvs, {

  1575                 xmlns: "http://www.w3.org/2000/svg",

  1576                 version: 1.1,

  1577                 width: width,

  1578                 height: height

  1579             });

  1580             if (container == 1) {

  1581                 cnvs.style.cssText = "position:absolute;left:" + x + "px;top:" + y + "px";

  1582                 doc.body[appendChild](cnvs);

  1583             } else {

  1584                 if (container.firstChild) {

  1585                     container.insertBefore(cnvs, container.firstChild);

  1586                 } else {

  1587                     container[appendChild](cnvs);

  1588                 }

  1589             }

  1590             container = new Paper;

  1591             container.width = width;

  1592             container.height = height;

  1593             container.canvas = cnvs;

  1594             plugins.call(container, container, R.fn);

  1595             container.clear();

  1596             return container;

  1597         };

  1598         Paper[proto].clear = function () {

  1599             var c = this.canvas;

  1600             while (c.firstChild) {

  1601                 c.removeChild(c.firstChild);

  1602             }

  1603             this.bottom = this.top = null;

  1604             (this.desc = $("desc"))[appendChild](doc.createTextNode("Created with Rapha\xebl"));

  1605             c[appendChild](this.desc);

  1606             c[appendChild](this.defs = $("defs"));

  1607         };

  1608         Paper[proto].remove = function () {

  1609             this.canvas.parentNode && this.canvas.parentNode.removeChild(this.canvas);

  1610             for (var i in this) {

  1611                 this[i] = removed(i);

  1612             }

  1613         };

  1614     }

  1615  

  1616     // VML

  1617     if (R.vml) {

  1618         var path2vml = function (path) {

  1619             var total =  /[ahqstv]/ig,

  1620                 command = pathToAbsolute;

  1621             (path + E).match(total) && (command = path2curve);

  1622             total = /[clmz]/g;

  1623             if (command == pathToAbsolute && !(path + E).match(total)) {

  1624                 var map = {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},

  1625                     bites = /([clmz]),?([^clmz]*)/gi,

  1626                     val = /-?[^,\s-]+/g;

  1627                 var res = (path + E)[rp](bites, function (all, command, args) {

  1628                     var vals = [];

  1629                     args[rp](val, function (value) {

  1630                         vals[push](round(value));

  1631                     });

  1632                     return map[command] + vals;

  1633                 });

  1634                 return res;

  1635             }

  1636             var pa = command(path), p, res = [], r;

  1637             for (var i = 0, ii = pa[length]; i < ii; i++) {

  1638                 p = pa[i];

  1639                 r = lowerCase.call(pa[i][0]);

  1640                 r == "z" && (r = "x");

  1641                 for (var j = 1, jj = p[length]; j < jj; j++) {

  1642                     r += round(p[j]) + (j != jj - 1 ? "," : E);

  1643                 }

  1644                 res[push](r);

  1645             }

  1646             return res[join](S);

  1647         };

  1648         

  1649         R[toString] = function () {

  1650             return  "Your browser doesn\u2019t support SVG. Falling down to VML.\nYou are running Rapha\xebl " + this.version;

  1651         };

  1652         var thePath = function (pathString, VML) {

  1653             var g = createNode("group");

  1654             g.style.cssText = "position:absolute;left:0;top:0;width:" + VML.width + "px;height:" + VML.height + "px";

  1655             g.coordsize = VML.coordsize;

  1656             g.coordorigin = VML.coordorigin;

  1657             var el = createNode("shape"), ol = el.style;

  1658             ol.width = VML.width + "px";

  1659             ol.height = VML.height + "px";

  1660             el.coordsize = this.coordsize;

  1661             el.coordorigin = this.coordorigin;

  1662             g[appendChild](el);

  1663             var p = new Element(el, g, VML);

  1664             p.isAbsolute = true;

  1665             p.type = "path";

  1666             p.path = [];

  1667             p.Path = E;

  1668             pathString && setFillAndStroke(p, {fill: "none", stroke: "#000", path: pathString});

  1669             VML.canvas[appendChild](g);

  1670             return p;

  1671         };

  1672         var setFillAndStroke = function (o, params) {

  1673             o.attrs = o.attrs || {};

  1674             var node = o.node,

  1675                 a = o.attrs,

  1676                 s = node.style,

  1677                 xy,

  1678                 res = o;

  1679             for (var par in params) if (params[has](par)) {

  1680                 a[par] = params[par];

  1681             }

  1682             params.href && (node.href = params.href);

  1683             params.title && (node.title = params.title);

  1684             params.target && (node.target = params.target);

  1685             params.cursor && (s.cursor = params.cursor);

  1686             if (params.path && o.type == "path") {

  1687                 a.path = params.path;

  1688                 node.path = path2vml(a.path);

  1689             }

  1690             if (params.rotation != null) {

  1691                 o.rotate(params.rotation, true);

  1692             }

  1693             if (params.translation) {

  1694                 xy = (params.translation + E)[split](separator);

  1695                 translate.call(o, xy[0], xy[1]);

  1696                 if (o._.rt.cx != null) {

  1697                     o._.rt.cx +=+ xy[0];

  1698                     o._.rt.cy +=+ xy[1];

  1699                     o.setBox(o.attrs, xy[0], xy[1]);

  1700                 }

  1701             }

  1702             if (params.scale) {

  1703                 xy = (params.scale + E)[split](separator);

  1704                 o.scale(+xy[0] || 1, +xy[1] || +xy[0] || 1, +xy[2] || null, +xy[3] || null);

  1705             }

  1706             if ("clip-rect" in params) {

  1707                 var rect = (params["clip-rect"] + E)[split](separator);

  1708                 if (rect[length] == 4) {

  1709                     rect[2] = +rect[2] + (+rect[0]);

  1710                     rect[3] = +rect[3] + (+rect[1]);

  1711                     var div = node.clipRect || doc.createElement("div"),

  1712                         dstyle = div.style,

  1713                         group = node.parentNode;

  1714                     dstyle.clip = R.format("rect({1}px {2}px {3}px {0}px)", rect);

  1715                     if (!node.clipRect) {

  1716                         dstyle.position = "absolute";

  1717                         dstyle.top = 0;

  1718                         dstyle.left = 0;

  1719                         dstyle.width = o.paper.width + "px";

  1720                         dstyle.height = o.paper.height + "px";

  1721                         group.parentNode.insertBefore(div, group);

  1722                         div[appendChild](group);

  1723                         node.clipRect = div;

  1724                     }

  1725                 }

  1726                 if (!params["clip-rect"]) {

  1727                     node.clipRect && (node.clipRect.style.clip = E);

  1728                 }

  1729             }

  1730             if (o.type == "image" && params.src) {

  1731                 node.src = params.src;

  1732             }

  1733             if (o.type == "image" && params.opacity) {

  1734                 node.filterOpacity = " progid:DXImageTransform.Microsoft.Alpha(opacity=" + (params.opacity * 100) + ")";

  1735                 s.filter = (node.filterMatrix || E) + (node.filterOpacity || E);

  1736             }

  1737             params.font && (s.font = params.font);

  1738             params["font-family"] && (s.fontFamily = '"' + params["font-family"][split](",")[0][rp](/^['"]+|['"]+$/g, E) + '"');

  1739             params["font-size"] && (s.fontSize = params["font-size"]);

  1740             params["font-weight"] && (s.fontWeight = params["font-weight"]);

  1741             params["font-style"] && (s.fontStyle = params["font-style"]);

  1742             if (params.opacity != null || 

  1743                 params["stroke-width"] != null ||

  1744                 params.fill != null ||

  1745                 params.stroke != null ||

  1746                 params["stroke-width"] != null ||

  1747                 params["stroke-opacity"] != null ||

  1748                 params["fill-opacity"] != null ||

  1749                 params["stroke-dasharray"] != null ||

  1750                 params["stroke-miterlimit"] != null ||

  1751                 params["stroke-linejoin"] != null ||

  1752                 params["stroke-linecap"] != null) {

  1753                 node = o.shape || node;

  1754                 var fill = (node.getElementsByTagName("fill") && node.getElementsByTagName("fill")[0]),

  1755                     newfill = false;

  1756                 !fill && (newfill = fill = createNode("fill"));

  1757                 if ("fill-opacity" in params || "opacity" in params) {

  1758                     var opacity = ((+a["fill-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1);

  1759                     opacity < 0 && (opacity = 0);

  1760                     opacity > 1 && (opacity = 1);

  1761                     fill.opacity = opacity;

  1762                 }

  1763                 params.fill && (fill.on = true);

  1764                 if (fill.on == null || params.fill == "none") {

  1765                     fill.on = false;

  1766                 }

  1767                 if (fill.on && params.fill) {

  1768                     var isURL = params.fill.match(ISURL);

  1769                     if (isURL) {

  1770                         fill.src = isURL[1];

  1771                         fill.type = "tile";

  1772                     } else {

  1773                         fill.color = R.getRGB(params.fill).hex;

  1774                         fill.src = E;

  1775                         fill.type = "solid";

  1776                         if (R.getRGB(params.fill).error && (res.type in {circle: 1, ellipse: 1} || (params.fill + E).charAt() != "r") && addGradientFill(res, params.fill)) {

  1777                             a.fill = "none";

  1778                             a.gradient = params.fill;

  1779                         }

  1780                     }

  1781                 }

  1782                 newfill && node[appendChild](fill);

  1783                 var stroke = (node.getElementsByTagName("stroke") && node.getElementsByTagName("stroke")[0]),

  1784                 newstroke = false;

  1785                 !stroke && (newstroke = stroke = createNode("stroke"));

  1786                 if ((params.stroke && params.stroke != "none") ||

  1787                     params["stroke-width"] ||

  1788                     params["stroke-opacity"] != null ||

  1789                     params["stroke-dasharray"] ||

  1790                     params["stroke-miterlimit"] ||

  1791                     params["stroke-linejoin"] ||

  1792                     params["stroke-linecap"]) {

  1793                     stroke.on = true;

  1794                 }

  1795                 (params.stroke == "none" || stroke.on == null || params.stroke == 0 || params["stroke-width"] == 0) && (stroke.on = false);

  1796                 stroke.on && params.stroke && (stroke.color = R.getRGB(params.stroke).hex);

  1797                 var opacity = ((+a["stroke-opacity"] + 1 || 2) - 1) * ((+a.opacity + 1 || 2) - 1),

  1798                     width = (toFloat(params["stroke-width"]) || 1) * .75;

  1799                 opacity < 0 && (opacity = 0);

  1800                 opacity > 1 && (opacity = 1);

  1801                 params["stroke-width"] == null && (width = a["stroke-width"]);

  1802                 params["stroke-width"] && (stroke.weight = width);

  1803                 width && width < 1 && (opacity *= width) && (stroke.weight = 1);

  1804                 stroke.opacity = opacity;

  1805                 

  1806                 params["stroke-linejoin"] && (stroke.joinstyle = params["stroke-linejoin"] || "miter");

  1807                 stroke.miterlimit = params["stroke-miterlimit"] || 8;

  1808                 params["stroke-linecap"] && (stroke.endcap = params["stroke-linecap"] == "butt" ? "flat" : params["stroke-linecap"] == "square" ? "square" : "round");

  1809                 if (params["stroke-dasharray"]) {

  1810                     var dasharray = {

  1811                         "-": "shortdash",

  1812                         ".": "shortdot",

  1813                         "-.": "shortdashdot",

  1814                         "-..": "shortdashdotdot",

  1815                         ". ": "dot",

  1816                         "- ": "dash",

  1817                         "--": "longdash",

  1818                         "- .": "dashdot",

  1819                         "--.": "longdashdot",

  1820                         "--..": "longdashdotdot"

  1821                     };

  1822                     stroke.dashstyle = dasharray[has](params["stroke-dasharray"]) ? dasharray[params["stroke-dasharray"]] : E;

  1823                 }

  1824                 newstroke && node[appendChild](stroke);

  1825             }

  1826             if (res.type == "text") {

  1827                 var s = res.paper.span.style;

  1828                 a.font && (s.font = a.font);

  1829                 a["font-family"] && (s.fontFamily = a["font-family"]);

  1830                 a["font-size"] && (s.fontSize = a["font-size"]);

  1831                 a["font-weight"] && (s.fontWeight = a["font-weight"]);

  1832                 a["font-style"] && (s.fontStyle = a["font-style"]);

  1833                 res.node.string && (res.paper.span.innerHTML = (res.node.string + E)[rp](/</g, "&#60;")[rp](/&/g, "&#38;")[rp](/\n/g, "<br>"));

  1834                 res.W = a.w = res.paper.span.offsetWidth;

  1835                 res.H = a.h = res.paper.span.offsetHeight;

  1836                 res.X = a.x;

  1837                 res.Y = a.y + round(res.H / 2);

  1838  

  1839                 // text-anchor emulationm

  1840                 switch (a["text-anchor"]) {

  1841                     case "start":

  1842                         res.node.style["v-text-align"] = "left";

  1843                         res.bbx = round(res.W / 2);

  1844                     break;

  1845                     case "end":

  1846                         res.node.style["v-text-align"] = "right";

  1847                         res.bbx = -round(res.W / 2);

  1848                     break;

  1849                     default:

  1850                         res.node.style["v-text-align"] = "center";

  1851                     break;

  1852                 }

  1853             }

  1854         };

  1855         var addGradientFill = function (o, gradient) {

  1856             o.attrs = o.attrs || {};

  1857             var attrs = o.attrs,

  1858                 fill = o.node.getElementsByTagName("fill"),

  1859                 type = "linear",

  1860                 fxfy = ".5 .5";

  1861             o.attrs.gradient = gradient;

  1862             gradient = (gradient + E)[rp](radial_gradient, function (all, fx, fy) {

  1863                 type = "radial";

  1864                 if (fx && fy) {

  1865                     fx = toFloat(fx);

  1866                     fy = toFloat(fy);

  1867                     pow(fx - .5, 2) + pow(fy - .5, 2) > .25 && (fy = math.sqrt(.25 - pow(fx - .5, 2)) * ((fy > .5) * 2 - 1) + .5);

  1868                     fxfy = fx + S + fy;

  1869                 }

  1870                 return E;

  1871             });

  1872             gradient = gradient[split](/\s*\-\s*/);

  1873             if (type == "linear") {

  1874                 var angle = gradient.shift();

  1875                 angle = -toFloat(angle);

  1876                 if (isNaN(angle)) {

  1877                     return null;

  1878                 }

  1879             }

  1880             var dots = parseDots(gradient);

  1881             if (!dots) {

  1882                 return null;

  1883             }

  1884             o = o.shape || o.node;

  1885             fill = fill[0] || createNode("fill");

  1886             if (dots[length]) {

  1887                 fill.on = true;

  1888                 fill.method = "none";

  1889                 fill.type = (type == "radial") ? "gradientradial" : "gradient";

  1890                 fill.color = dots[0].color;

  1891                 fill.color2 = dots[dots[length] - 1].color;

  1892                 var clrs = [];

  1893                 for (var i = 0, ii = dots[length]; i < ii; i++) {

  1894                     dots[i].offset && clrs[push](dots[i].offset + S + dots[i].color);

  1895                 }

  1896                 fill.colors && (fill.colors.value = clrs[length] ? clrs[join](",") : "0% " + fill.color);

  1897                 if (type == "radial") {

  1898                     fill.focus = "100%";

  1899                     fill.focussize = fxfy;

  1900                     fill.focusposition = fxfy;

  1901                 } else {

  1902                     fill.angle = (270 - angle) % 360;

  1903                 }

  1904             }

  1905             return 1;

  1906         };

  1907         var Element = function (node, group, vml) {

  1908             var Rotation = 0,

  1909                 RotX = 0,

  1910                 RotY = 0,

  1911                 Scale = 1;

  1912             this[0] = node;

  1913             this.id = R._oid++;

  1914             this.node = node;

  1915             node.raphael = this;

  1916             this.X = 0;

  1917             this.Y = 0;

  1918             this.attrs = {};

  1919             this.Group = group;

  1920             this.paper = vml;

  1921             this._ = {

  1922                 tx: 0,

  1923                 ty: 0,

  1924                 rt: {deg:0},

  1925                 sx: 1,

  1926                 sy: 1

  1927             };

  1928             !vml.bottom && (vml.bottom = this);

  1929             this.prev = vml.top;

  1930             vml.top && (vml.top.next = this);

  1931             vml.top = this;

  1932             this.next = null;

  1933         };

  1934         Element[proto].rotate = function (deg, cx, cy) {

  1935             if (this.removed) {

  1936                 return this;

  1937             }

  1938             if (deg == null) {

  1939                 if (this._.rt.cx) {

  1940                     return [this._.rt.deg, this._.rt.cx, this._.rt.cy][join](S);

  1941                 }

  1942                 return this._.rt.deg;

  1943             }

  1944             deg = (deg + E)[split](separator);

  1945             if (deg[length] - 1) {

  1946                 cx = toFloat(deg[1]);

  1947                 cy = toFloat(deg[2]);

  1948             }

  1949             deg = toFloat(deg[0]);

  1950             if (cx != null) {

  1951                 this._.rt.deg = deg;

  1952             } else {

  1953                 this._.rt.deg += deg;

  1954             }

  1955             cy == null && (cx = null);

  1956             this._.rt.cx = cx;

  1957             this._.rt.cy = cy;

  1958             this.setBox(this.attrs, cx, cy);

  1959             this.Group.style.rotation = this._.rt.deg;

  1960             // gradient fix for rotation. TODO

  1961             // var fill = (this.shape || this.node).getElementsByTagName("fill");

  1962             // fill = fill[0] || {};

  1963             // var b = ((360 - this._.rt.deg) - 270) % 360;

  1964             // !R.is(fill.angle, "undefined") && (fill.angle = b);

  1965             return this;

  1966         };

  1967         Element[proto].setBox = function (params, cx, cy) {

  1968             if (this.removed) {

  1969                 return this;

  1970             }

  1971             var gs = this.Group.style,

  1972                 os = (this.shape && this.shape.style) || this.node.style;

  1973             params = params || {};

  1974             for (var i in params) if (params[has](i)) {

  1975                 this.attrs[i] = params[i];

  1976             }

  1977             cx = cx || this._.rt.cx;

  1978             cy = cy || this._.rt.cy;

  1979             var attr = this.attrs,

  1980                 x,

  1981                 y,

  1982                 w,

  1983                 h;

  1984             switch (this.type) {

  1985                 case "circle":

  1986                     x = attr.cx - attr.r;

  1987                     y = attr.cy - attr.r;

  1988                     w = h = attr.r * 2;

  1989                     break;

  1990                 case "ellipse":

  1991                     x = attr.cx - attr.rx;

  1992                     y = attr.cy - attr.ry;

  1993                     w = attr.rx * 2;

  1994                     h = attr.ry * 2;

  1995                     break;

  1996                 case "rect":

  1997                 case "image":

  1998                     x = +attr.x;

  1999                     y = +attr.y;

  2000                     w = attr.width || 0;

  2001                     h = attr.height || 0;

  2002                     break;

  2003                 case "text":

  2004                     this.textpath.v = ["m", round(attr.x), ", ", round(attr.y - 2), "l", round(attr.x) + 1, ", ", round(attr.y - 2)][join](E);

  2005                     x = attr.x - round(this.W / 2);

  2006                     y = attr.y - this.H / 2;

  2007                     w = this.W;

  2008                     h = this.H;

  2009                     break;

  2010                 case "path":

  2011                     if (!this.attrs.path) {

  2012                         x = 0;

  2013                         y = 0;

  2014                         w = this.paper.width;

  2015                         h = this.paper.height;

  2016                     } else {

  2017                         var dim = pathDimensions(this.attrs.path);

  2018                         x = dim.x;

  2019                         y = dim.y;

  2020                         w = dim.width;

  2021                         h = dim.height;

  2022                     }

  2023                     break;

  2024                 default:

  2025                     x = 0;

  2026                     y = 0;

  2027                     w = this.paper.width;

  2028                     h = this.paper.height;

  2029                     break;

  2030             }

  2031             cx = (cx == null) ? x + w / 2 : cx;

  2032             cy = (cy == null) ? y + h / 2 : cy;

  2033             var left = cx - this.paper.width / 2,

  2034                 top = cy - this.paper.height / 2;

  2035             if (this.type == "path" || this.type == "text") {

  2036                 (gs.left != left + "px") && (gs.left = left + "px");

  2037                 (gs.top != top + "px") && (gs.top = top + "px");

  2038                 this.X = this.type == "text" ? x : -left;

  2039                 this.Y = this.type == "text" ? y : -top;

  2040                 this.W = w;

  2041                 this.H = h;

  2042                 (os.left != -left + "px") && (os.left = -left + "px");

  2043                 (os.top != -top + "px") && (os.top = -top + "px");

  2044             } else {

  2045                 (gs.left != left + "px") && (gs.left = left + "px");

  2046                 (gs.top != top + "px") && (gs.top = top + "px");

  2047                 this.X = x;

  2048                 this.Y = y;

  2049                 this.W = w;

  2050                 this.H = h;

  2051                 (gs.width != this.paper.width + "px") && (gs.width = this.paper.width + "px");

  2052                 (gs.height != this.paper.height + "px") && (gs.height = this.paper.height + "px");

  2053                 (os.left != x - left + "px") && (os.left = x - left + "px");

  2054                 (os.top != y - top + "px") && (os.top = y - top + "px");

  2055                 (os.width != w + "px") && (os.width = w + "px");

  2056                 (os.height != h + "px") && (os.height = h + "px");

  2057                 var arcsize = (+params.r || 0) / mmin(w, h);

  2058                 if (this.type == "rect" && this.arcsize.toFixed(4) != arcsize.toFixed(4) && (arcsize || this.arcsize)) {

  2059                     // We should replace element with the new one

  2060                     var o = createNode("roundrect"),

  2061                         a = {},

  2062                         i = 0,

  2063                         ii = this.events && this.events[length];

  2064                     o.arcsize = arcsize;

  2065                     o.raphael = this;

  2066                     this.Group[appendChild](o);

  2067                     this.Group.removeChild(this.node);

  2068                     this[0] = this.node = o;

  2069                     this.arcsize = arcsize;

  2070                     for (var i in attr) {

  2071                         a[i] = attr[i];

  2072                     }

  2073                     delete a.scale;

  2074                     this.attr(a);

  2075                     if (this.events) for (; i < ii; i++) {

  2076                         this.events[i].unbind = addEvent(this.node, this.events[i].name, this.events[i].f, this);

  2077                     }

  2078                 }

  2079             }

  2080         };

  2081         Element[proto].hide = function () {

  2082             !this.removed && (this.Group.style.display = "none");

  2083             return this;

  2084         };

  2085         Element[proto].show = function () {

  2086             !this.removed && (this.Group.style.display = "block");

  2087             return this;

  2088         };

  2089         Element[proto].getBBox = function () {

  2090             if (this.removed) {

  2091                 return this;

  2092             }

  2093             if (this.type == "path") {

  2094                 return pathDimensions(this.attrs.path);

  2095             }

  2096             return {

  2097                 x: this.X + (this.bbx || 0),

  2098                 y: this.Y,

  2099                 width: this.W,

  2100                 height: this.H

  2101             };

  2102         };

  2103         Element[proto].remove = function () {

  2104             if (this.removed) {

  2105                 return;

  2106             }

  2107             tear(this, this.paper);

  2108             this.node.parentNode.removeChild(this.node);

  2109             this.Group.parentNode.removeChild(this.Group);

  2110             this.shape && this.shape.parentNode.removeChild(this.shape);

  2111             for (var i in this) {

  2112                 delete this[i];

  2113             }

  2114             this.removed = true;

  2115         };

  2116         Element[proto].attr = function () {

  2117             if (this.removed) {

  2118                 return this;

  2119             }

  2120             if (arguments[length] == 0) {

  2121                 var res = {};

  2122                 for (var i in this.attrs) if (this.attrs[has](i)) {

  2123                     res[i] = this.attrs[i];

  2124                 }

  2125                 this._.rt.deg && (res.rotation = this.rotate());

  2126                 (this._.sx != 1 || this._.sy != 1) && (res.scale = this.scale());

  2127                 res.gradient && res.fill == "none" && (res.fill = res.gradient) && delete res.gradient;

  2128                 return res;

  2129             }

  2130             if (arguments[length] == 1 && R.is(arguments[0], "string")) {

  2131                 if (arguments[0] == "translation") {

  2132                     return translate.call(this);

  2133                 }

  2134                 if (arguments[0] == "rotation") {

  2135                     return this.rotate();

  2136                 }

  2137                 if (arguments[0] == "scale") {

  2138                     return this.scale();

  2139                 }

  2140                 if (arguments[0] == "fill" && this.attrs.fill == "none" && this.attrs.gradient) {

  2141                     return this.attrs.gradient;

  2142                 }

  2143                 return this.attrs[arguments[0]];

  2144             }

  2145             if (this.attrs && arguments[length] == 1 && R.is(arguments[0], "array")) {

  2146                 var values = {};

  2147                 for (var i = 0, ii = arguments[0][length]; i < ii; i++) {

  2148                     values[arguments[0][i]] = this.attrs[arguments[0][i]];

  2149                 };

  2150                 return values;

  2151             }

  2152             var params;

  2153             if (arguments[length] == 2) {

  2154                 params = {};

  2155                 params[arguments[0]] = arguments[1];

  2156             }

  2157             arguments[length] == 1 && R.is(arguments[0], "object") && (params = arguments[0]);

  2158             if (params) {

  2159                 if (params.text && this.type == "text") {

  2160                     this.node.string = params.text;

  2161                 }

  2162                 setFillAndStroke(this, params);

  2163                 if (params.gradient && (({circle: 1, ellipse: 1})[has](this.type) || (params.gradient + E).charAt() != "r")) {

  2164                     addGradientFill(this, params.gradient);

  2165                 }

  2166                 (this.type != "path" || this._.rt.deg) && this.setBox(this.attrs);

  2167             }

  2168             return this;

  2169         };

  2170         Element[proto].toFront = function () {

  2171             !this.removed && this.Group.parentNode[appendChild](this.Group);

  2172             this.paper.top != this && tofront(this, this.paper);

  2173             return this;

  2174         };

  2175         Element[proto].toBack = function () {

  2176             if (this.removed) {

  2177                 return this;

  2178             }

  2179             if (this.Group.parentNode.firstChild != this.Group) {

  2180                 this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);

  2181                 toback(this, this.paper);

  2182             }

  2183             return this;

  2184         };

  2185         Element[proto].insertAfter = function (element) {

  2186             if (this.removed) {

  2187                 return this;

  2188             }

  2189             if (element.Group.nextSibling) {

  2190                 element.Group.parentNode.insertBefore(this.Group, element.Group.nextSibling);

  2191             } else {

  2192                 element.Group.parentNode[appendChild](this.Group);

  2193             }

  2194             insertafter(this, element, this.paper);

  2195             return this;

  2196         };

  2197         Element[proto].insertBefore = function (element) {

  2198             if (this.removed) {

  2199                 return this;

  2200             }

  2201             element.Group.parentNode.insertBefore(this.Group, element.Group);

  2202             insertbefore(this, element, this.paper);

  2203             return this;

  2204         };

  2205  

  2206         var theCircle = function (vml, x, y, r) {

  2207             var g = createNode("group"),

  2208                 o = createNode("oval"),

  2209                 ol = o.style;

  2210             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";

  2211             g.coordsize = vml.coordsize;

  2212             g.coordorigin = vml.coordorigin;

  2213             g[appendChild](o);

  2214             var res = new Element(o, g, vml);

  2215             res.type = "circle";

  2216             setFillAndStroke(res, {stroke: "#000", fill: "none"});

  2217             res.attrs.cx = x;

  2218             res.attrs.cy = y;

  2219             res.attrs.r = r;

  2220             res.setBox({x: x - r, y: y - r, width: r * 2, height: r * 2});

  2221             vml.canvas[appendChild](g);

  2222             return res;

  2223         },

  2224         theRect = function (vml, x, y, w, h, r) {

  2225             var g = createNode("group"),

  2226                 o = createNode("roundrect"),

  2227                 arcsize = (+r || 0) / (mmin(w, h));

  2228             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";

  2229             g.coordsize = vml.coordsize;

  2230             g.coordorigin = vml.coordorigin;

  2231             g[appendChild](o);

  2232             o.arcsize = arcsize;

  2233             var res = new Element(o, g, vml);

  2234             res.type = "rect";

  2235             setFillAndStroke(res, {stroke: "#000"});

  2236             res.arcsize = arcsize;

  2237             res.setBox({x: x, y: y, width: w, height: h, r: r});

  2238             vml.canvas[appendChild](g);

  2239             return res;

  2240         },

  2241         theEllipse = function (vml, x, y, rx, ry) {

  2242             var g = createNode("group"),

  2243                 o = createNode("oval"),

  2244                 ol = o.style;

  2245             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";

  2246             g.coordsize = vml.coordsize;

  2247             g.coordorigin = vml.coordorigin;

  2248             g[appendChild](o);

  2249             var res = new Element(o, g, vml);

  2250             res.type = "ellipse";

  2251             setFillAndStroke(res, {stroke: "#000"});

  2252             res.attrs.cx = x;

  2253             res.attrs.cy = y;

  2254             res.attrs.rx = rx;

  2255             res.attrs.ry = ry;

  2256             res.setBox({x: x - rx, y: y - ry, width: rx * 2, height: ry * 2});

  2257             vml.canvas[appendChild](g);

  2258             return res;

  2259         },

  2260         theImage = function (vml, src, x, y, w, h) {

  2261             var g = createNode("group"),

  2262                 o = createNode("image"),

  2263                 ol = o.style;

  2264             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";

  2265             g.coordsize = vml.coordsize;

  2266             g.coordorigin = vml.coordorigin;

  2267             o.src = src;

  2268             g[appendChild](o);

  2269             var res = new Element(o, g, vml);

  2270             res.type = "image";

  2271             res.attrs.src = src;

  2272             res.attrs.x = x;

  2273             res.attrs.y = y;

  2274             res.attrs.w = w;

  2275             res.attrs.h = h;

  2276             res.setBox({x: x, y: y, width: w, height: h});

  2277             vml.canvas[appendChild](g);

  2278             return res;

  2279         },

  2280         theText = function (vml, x, y, text) {

  2281             var g = createNode("group"),

  2282                 el = createNode("shape"),

  2283                 ol = el.style,

  2284                 path = createNode("path"),

  2285                 ps = path.style,

  2286                 o = createNode("textpath");

  2287             g.style.cssText = "position:absolute;left:0;top:0;width:" + vml.width + "px;height:" + vml.height + "px";

  2288             g.coordsize = vml.coordsize;

  2289             g.coordorigin = vml.coordorigin;

  2290             path.v = R.format("m{0},{1}l{2},{1}", round(x), round(y), round(x) + 1);

  2291             path.textpathok = true;

  2292             ol.width = vml.width;

  2293             ol.height = vml.height;

  2294             o.string = text + E;

  2295             o.on = true;

  2296             el[appendChild](o);

  2297             el[appendChild](path);

  2298             g[appendChild](el);

  2299             var res = new Element(o, g, vml);

  2300             res.shape = el;

  2301             res.textpath = path;

  2302             res.type = "text";

  2303             res.attrs.text = text;

  2304             res.attrs.x = x;

  2305             res.attrs.y = y;

  2306             res.attrs.w = 1;

  2307             res.attrs.h = 1;

  2308             setFillAndStroke(res, {font: availableAttrs.font, stroke: "none", fill: "#000"});

  2309             res.setBox();

  2310             vml.canvas[appendChild](g);

  2311             return res;

  2312         },

  2313         setSize = function (width, height) {

  2314             var cs = this.canvas.style;

  2315             width == +width && (width += "px");

  2316             height == +height && (height += "px");

  2317             cs.width = width;

  2318             cs.height = height;

  2319             cs.clip = "rect(0 " + width + " " + height + " 0)";

  2320             return this;

  2321         },

  2322         createNode;

  2323         doc.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");

  2324         try {

  2325             !doc.namespaces.rvml && doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");

  2326             createNode = function (tagName) {

  2327                 return doc.createElement('<rvml:' + tagName + ' class="rvml">');

  2328             };

  2329         } catch (e) {

  2330             createNode = function (tagName) {

  2331                 return doc.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');

  2332             };

  2333         }

  2334         var create = function () {

  2335             var con = getContainer[apply](null, arguments),

  2336                 container = con.container,

  2337                 height = con.height,

  2338                 s,

  2339                 width = con.width,

  2340                 x = con.x,

  2341                 y = con.y;

  2342             if (!container) {

  2343                 throw new Error("VML container not found.");

  2344             }

  2345             var res = new Paper,

  2346                 c = res.canvas = doc.createElement("div"),

  2347                 cs = c.style;

  2348             width = width || 512;

  2349             height = height || 342;

  2350             width == +width && (width += "px");

  2351             height == +height && (height += "px");

  2352             res.width = 1e3;

  2353             res.height = 1e3;

  2354             res.coordsize = "1000 1000";

  2355             res.coordorigin = "0 0";

  2356             res.span = doc.createElement("span");

  2357             res.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";

  2358             c[appendChild](res.span);

  2359             cs.cssText = R.format("width:{0};height:{1};position:absolute;clip:rect(0 {0} {1} 0);overflow:hidden", width, height);

  2360             if (container == 1) {

  2361                 doc.body[appendChild](c);

  2362                 cs.left = x + "px";

  2363                 cs.top = y + "px";

  2364             } else {

  2365                 container.style.width = width;

  2366                 container.style.height = height;

  2367                 if (container.firstChild) {

  2368                     container.insertBefore(c, container.firstChild);

  2369                 } else {

  2370                     container[appendChild](c);

  2371                 }

  2372             }

  2373             plugins.call(res, res, R.fn);

  2374             return res;

  2375         };

  2376         Paper[proto].clear = function () {

  2377             this.canvas.innerHTML = E;

  2378             this.span = doc.createElement("span");

  2379             this.span.style.cssText = "position:absolute;left:-9999em;top:-9999em;padding:0;margin:0;line-height:1;display:inline;";

  2380             this.canvas[appendChild](this.span);

  2381             this.bottom = this.top = null;

  2382         };

  2383         Paper[proto].remove = function () {

  2384             this.canvas.parentNode.removeChild(this.canvas);

  2385             for (var i in this) {

  2386                 this[i] = removed(i);

  2387             }

  2388         };

  2389     }

  2390  

  2391     // rest

  2392     // Safari or Chrome (WebKit) rendering bug workaround method

  2393     if ((/^Apple|^Google/).test(navigator.vendor) && !(navigator.userAgent.indexOf("Version/4.0") + 1)) {

  2394         Paper[proto].safari = function () {

  2395             var rect = this.rect(-99, -99, this.width + 99, this.height + 99);

  2396             setTimeout(function () {rect.remove();});

  2397         };

  2398     } else {

  2399         Paper[proto].safari = function () {};

  2400     }

  2401  

  2402     // Events

  2403     var addEvent = (function () {

  2404         if (doc.addEventListener) {

  2405             return function (obj, type, fn, element) {

  2406                 var f = function (e) {

  2407                     return fn.call(element, e);

  2408                 };

  2409                 obj.addEventListener(type, f, false);

  2410                 return function () {

  2411                     obj.removeEventListener(type, f, false);

  2412                     return true;

  2413                 };

  2414             };

  2415         } else if (doc.attachEvent) {

  2416             return function (obj, type, fn, element) {

  2417                 var f = function (e) {

  2418                     return fn.call(element, e || win.event);

  2419                 };

  2420                 obj.attachEvent("on" + type, f);

  2421                 var detacher = function () {

  2422                     obj.detachEvent("on" + type, f);

  2423                     return true;

  2424                 };

  2425                 return detacher;

  2426             };

  2427         }

  2428     })();

  2429     for (var i = events[length]; i--;) {

  2430         (function (eventName) {

  2431             Element[proto][eventName] = function (fn) {

  2432                 if (R.is(fn, "function")) {

  2433                     this.events = this.events || [];

  2434                     this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node, eventName, fn, this)});

  2435                 }

  2436                 return this;

  2437             };

  2438             Element[proto]["un" + eventName] = function (fn) {

  2439                 var events = this.events,

  2440                     l = events[length];

  2441                 while (l--) if (events[l].name == eventName && events[l].f == fn) {

  2442                     events[l].unbind();

  2443                     events.splice(l, 1);

  2444                     !events.length && delete this.events;

  2445                     return this;

  2446                 }

  2447                 return this;

  2448             };

  2449         })(events[i]);

  2450     }

  2451     Element[proto].hover = function (f_in, f_out) {

  2452         return this.mouseover(f_in).mouseout(f_out);

  2453     };

  2454     Element[proto].unhover = function (f_in, f_out) {

  2455         return this.unmouseover(f_in).unmouseout(f_out);

  2456     };

  2457     Paper[proto].circle = function (x, y, r) {

  2458         return theCircle(this, x || 0, y || 0, r || 0);

  2459     };

  2460     Paper[proto].rect = function (x, y, w, h, r) {

  2461         return theRect(this, x || 0, y || 0, w || 0, h || 0, r || 0);

  2462     };

  2463     Paper[proto].ellipse = function (x, y, rx, ry) {

  2464         return theEllipse(this, x || 0, y || 0, rx || 0, ry || 0);

  2465     };

  2466     Paper[proto].path = function (pathString) {

  2467         pathString && !R.is(pathString, "string") && !R.is(pathString[0], "array") && (pathString += E);

  2468         return thePath(R.format[apply](R, arguments), this);

  2469     };

  2470     Paper[proto].image = function (src, x, y, w, h) {

  2471         return theImage(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);

  2472     };

  2473     Paper[proto].text = function (x, y, text) {

  2474         return theText(this, x || 0, y || 0, text || E);

  2475     };

  2476     Paper[proto].set = function (itemsArray) {

  2477         arguments[length] > 1 && (itemsArray = Array[proto].splice.call(arguments, 0, arguments[length]));

  2478         return new Set(itemsArray);

  2479     };

  2480     Paper[proto].setSize = setSize;

  2481     Paper[proto].top = Paper[proto].bottom = null;

  2482     Paper[proto].raphael = R;

  2483     function x_y() {

  2484         return this.x + S + this.y;

  2485     };

  2486     Element[proto].scale = function (x, y, cx, cy) {

  2487         if (x == null && y == null) {

  2488             return {

  2489                 x: this._.sx,

  2490                 y: this._.sy,

  2491                 toString: x_y

  2492             };

  2493         }

  2494         y = y || x;

  2495         !+y && (y = x);

  2496         var dx,

  2497             dy,

  2498             dcx,

  2499             dcy,

  2500             a = this.attrs;

  2501         if (x != 0) {

  2502             var bb = this.getBBox(),

  2503                 rcx = bb.x + bb.width / 2,

  2504                 rcy = bb.y + bb.height / 2,

  2505                 kx = x / this._.sx,

  2506                 ky = y / this._.sy;

  2507             cx = (+cx || cx == 0) ? cx : rcx;

  2508             cy = (+cy || cy == 0) ? cy : rcy;

  2509             var dirx = ~~(x / math.abs(x)),

  2510                 diry = ~~(y / math.abs(y)),

  2511                 s = this.node.style,

  2512                 ncx = cx + (rcx - cx) * kx,

  2513                 ncy = cy + (rcy - cy) * ky;

  2514             switch (this.type) {

  2515                 case "rect":

  2516                 case "image":

  2517                     var neww = a.width * dirx * kx,

  2518                         newh = a.height * diry * ky;

  2519                     this.attr({

  2520                         height: newh,

  2521                         r: a.r * mmin(dirx * kx, diry * ky),

  2522                         width: neww,

  2523                         x: ncx - neww / 2,

  2524                         y: ncy - newh / 2

  2525                     });

  2526                     break;

  2527                 case "circle":

  2528                 case "ellipse":

  2529                     this.attr({

  2530                         rx: a.rx * dirx * kx,

  2531                         ry: a.ry * diry * ky,

  2532                         r: a.r * mmin(dirx * kx, diry * ky),

  2533                         cx: ncx,

  2534                         cy: ncy

  2535                     });

  2536                     break;

  2537                 case "path":

  2538                     var path = pathToRelative(a.path),

  2539                         skip = true;

  2540                     for (var i = 0, ii = path[length]; i < ii; i++) {

  2541                         var p = path[i],

  2542                             j,

  2543                             P0 = upperCase.call(p[0]);

  2544                         if (P0 == "M" && skip) {

  2545                             continue;

  2546                         } else {

  2547                             skip = false;

  2548                         }

  2549                         if (P0 == "A") {

  2550                             p[path[i][length] - 2] *= kx;

  2551                             p[path[i][length] - 1] *= ky;

  2552                             p[1] *= dirx * kx;

  2553                             p[2] *= diry * ky;

  2554                             p[5] = +(dirx + diry ? !!+p[5] : !+p[5]);

  2555                         } else if (P0 == "H") {

  2556                             for (j = 1, jj = p[length]; j < jj; j++) {

  2557                                 p[j] *= kx;

  2558                             }

  2559                         } else if (P0 == "V") {

  2560                             for (j = 1, jj = p[length]; j < jj; j++) {

  2561                                 p[j] *= ky;

  2562                             }

  2563                          } else {

  2564                             for (j = 1, jj = p[length]; j < jj; j++) {

  2565                                 p[j] *= (j % 2) ? kx : ky;

  2566                             }

  2567                         }

  2568                     }

  2569                     var dim2 = pathDimensions(path),

  2570                         dx = ncx - dim2.x - dim2.width / 2,

  2571                         dy = ncy - dim2.y - dim2.height / 2;

  2572                     path[0][1] += dx;

  2573                     path[0][2] += dy;

  2574                     this.attr({path: path});

  2575                 break;

  2576             }

  2577             if (this.type in {text: 1, image:1} && (dirx != 1 || diry != 1)) {

  2578                 if (this.transformations) {

  2579                     this.transformations[2] = "scale("[concat](dirx, ",", diry, ")");

  2580                     this.node[setAttribute]("transform", this.transformations[join](S));

  2581                     dx = (dirx == -1) ? -a.x - (neww || 0) : a.x;

  2582                     dy = (diry == -1) ? -a.y - (newh || 0) : a.y;

  2583                     this.attr({x: dx, y: dy});

  2584                     a.fx = dirx - 1;

  2585                     a.fy = diry - 1;

  2586                 } else {

  2587                     this.node.filterMatrix = " progid:DXImageTransform.Microsoft.Matrix(M11="[concat](dirx,

  2588                         ", M12=0, M21=0, M22=", diry,

  2589                         ", Dx=0, Dy=0, sizingmethod='auto expand', filtertype='bilinear')");

  2590                     s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);

  2591                 }

  2592             } else {

  2593                 if (this.transformations) {

  2594                     this.transformations[2] = E;

  2595                     this.node[setAttribute]("transform", this.transformations[join](S));

  2596                     a.fx = 0;

  2597                     a.fy = 0;

  2598                 } else {

  2599                     this.node.filterMatrix = E;

  2600                     s.filter = (this.node.filterMatrix || E) + (this.node.filterOpacity || E);

  2601                 }

  2602             }

  2603             a.scale = [x, y, cx, cy][join](S);

  2604             this._.sx = x;

  2605             this._.sy = y;

  2606         }

  2607         return this;

  2608     };

  2609     Element[proto].clone = function () {

  2610         var attr = this.attr();

  2611         delete attr.scale;

  2612         delete attr.translation;

  2613         return this.paper[this.type]().attr(attr);

  2614     };

  2615     var getLengthFactory = function (istotal, subpath) {

  2616         return function (path, length, onlystart) {

  2617             path = path2curve(path);

  2618             var x, y, p, l, sp = "", subpaths = {}, point,

  2619                 len = 0;

  2620             for (var i = 0, ii = path.length; i < ii; i++) {

  2621                 p = path[i];

  2622                 if (p[0] == "M") {

  2623                     x = +p[1];

  2624                     y = +p[2];

  2625                 } else {

  2626                     l = segmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);

  2627                     if (len + l > length) {

  2628                         if (subpath && !subpaths.start) {

  2629                             point = R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], (length - len) / l);

  2630                             sp += ["C", point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];

  2631                             if (onlystart) {

  2632                                 return sp;

  2633                             }

  2634                             subpaths.start = sp;

  2635                             sp = ["M", point.x, point.y, "C", point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]][join]();

  2636                             len += l;

  2637                             x = +p[5];

  2638                             y = +p[6];

  2639                             continue;

  2640                         }

  2641                         if (!istotal && !subpath) {

  2642                             point = R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], (length - len) / l);

  2643                             return {x: point.x, y: point.y, alpha: point.alpha};

  2644                         }

  2645                     }

  2646                     len += l;

  2647                     x = +p[5];

  2648                     y = +p[6];

  2649                 }

  2650                 sp += p;

  2651             }

  2652             subpaths.end = sp;

  2653             point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[1], p[2], p[3], p[4], p[5], p[6], 1);

  2654             point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});

  2655             return point;

  2656         };

  2657     },

  2658     segmentLength = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {

  2659         var old = {x: 0, y: 0},

  2660             len = 0;

  2661         for (var i = 0; i < 1.01; i+=.01) {

  2662             var dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i);

  2663             i && (len += math.sqrt(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2)));

  2664             old = dot;

  2665         }

  2666         return len;

  2667     });

  2668     var getTotalLength = getLengthFactory(1),

  2669         getPointAtLength = getLengthFactory(),

  2670         getSubpathsAtLength = getLengthFactory(0, 1);

  2671     Element[proto].getTotalLength = function () {

  2672         if (this.type != "path") return;

  2673         return getTotalLength(this.attrs.path);

  2674     };

  2675     Element[proto].getPointAtLength = function (length) {

  2676         if (this.type != "path") return;

  2677         return getPointAtLength(this.attrs.path, length);

  2678     };

  2679     Element[proto].getSubpath = function (from, to) {

  2680         if (this.type != "path") return;

  2681         var a = getSubpathsAtLength(this.attrs.path, to, 1);

  2682         return from ? getSubpathsAtLength(a, from).end : a;

  2683     };

  2684 

  2685     // animation easing formulas

  2686     R.easing_formulas = {

  2687         linear: function (n) {

  2688             return n;

  2689         },

  2690         "<": function (n) {

  2691             return pow(n, 3);

  2692         },

  2693         ">": function (n) {

  2694             return pow(n - 1, 3) + 1;

  2695         },

  2696         "<>": function (n) {

  2697             n = n * 2;

  2698             if (n < 1) {

  2699                 return pow(n, 3) / 2;

  2700             }

  2701             n -= 2;

  2702             return (pow(n, 3) + 2) / 2;

  2703         },

  2704         backIn: function (n) {

  2705             var s = 1.70158;

  2706             return n * n * ((s + 1) * n - s);

  2707         },

  2708         backOut: function (n) {

  2709             n = n - 1;

  2710             var s = 1.70158;

  2711             return n * n * ((s + 1) * n + s) + 1;

  2712         },

  2713         elastic: function (n) {

  2714             if (n == 0 || n == 1) {

  2715                 return n;

  2716             }

  2717             var p = .3,

  2718                 s = p / 4;

  2719             return pow(2, -10 * n) * math.sin((n - s) * (2 * math.PI) / p) + 1;

  2720         },

  2721         bounce: function (n) {

  2722             var s = 7.5625,

  2723                 p = 2.75,

  2724                 l;

  2725             if (n < (1 / p)) {

  2726                 l = s * n * n;

  2727             } else {

  2728                 if (n < (2 / p)) {

  2729                     n -= (1.5 / p);

  2730                     l = s * n * n + .75;

  2731                 } else {

  2732                     if (n < (2.5 / p)) {

  2733                         n -= (2.25 / p);

  2734                         l = s * n * n + .9375;

  2735                     } else {

  2736                         n -= (2.625 / p);

  2737                         l = s * n * n + .984375;

  2738                     }

  2739                 }

  2740             }

  2741             return l;

  2742         }

  2743     };

  2744  

  2745     var animationElements = {length : 0},

  2746         animation = function () {

  2747             var Now = +new Date;

  2748             for (var l in animationElements) if (l != "length" && animationElements[has](l)) {

  2749                 var e = animationElements[l];

  2750                 if (e.stop) {

  2751                     delete animationElements[l];

  2752                     animationElements[length]--;

  2753                     continue;

  2754                 }

  2755                 var time = Now - e.start,

  2756                     ms = e.ms,

  2757                     easing = e.easing,

  2758                     from = e.from,

  2759                     diff = e.diff,

  2760                     to = e.to,

  2761                     t = e.t,

  2762                     prev = e.prev || 0,

  2763                     that = e.el,

  2764                     callback = e.callback,

  2765                     set = {},

  2766                     now;

  2767                 if (time < ms) {

  2768                     var pos = R.easing_formulas[easing] ? R.easing_formulas[easing](time / ms) : time / ms;

  2769                     for (var attr in from) if (from[has](attr)) {

  2770                         switch (availableAnimAttrs[attr]) {

  2771                             case "along":

  2772                                 now = pos * ms * diff[attr];

  2773                                 to.back && (now = to.len - now);

  2774                                 var point = getPointAtLength(to[attr], now);

  2775                                 that.translate(diff.sx - diff.x || 0, diff.sy - diff.y || 0);

  2776                                 diff.x = point.x;

  2777                                 diff.y = point.y;

  2778                                 that.translate(point.x - diff.sx, point.y - diff.sy);

  2779                                 to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);

  2780                                 break;

  2781                             case "number":

  2782                                 now = +from[attr] + pos * ms * diff[attr];

  2783                                 break;

  2784                             case "colour":

  2785                                 now = "rgb(" + [

  2786                                     upto255(round(from[attr].r + pos * ms * diff[attr].r)),

  2787                                     upto255(round(from[attr].g + pos * ms * diff[attr].g)),

  2788                                     upto255(round(from[attr].b + pos * ms * diff[attr].b))

  2789                                 ][join](",") + ")";

  2790                                 break;

  2791                             case "path":

  2792                                 now = [];

  2793                                 for (var i = 0, ii = from[attr][length]; i < ii; i++) {

  2794                                     now[i] = [from[attr][i][0]];

  2795                                     for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {

  2796                                         now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];

  2797                                     }

  2798                                     now[i] = now[i][join](S);

  2799                                 }

  2800                                 now = now[join](S);

  2801                                 break;

  2802                             case "csv":

  2803                                 switch (attr) {

  2804                                     case "translation":

  2805                                         var x = diff[attr][0] * (time - prev),

  2806                                             y = diff[attr][1] * (time - prev);

  2807                                         t.x += x;

  2808                                         t.y += y;

  2809                                         now = x + S + y;

  2810                                     break;

  2811                                     case "rotation":

  2812                                         now = +from[attr][0] + pos * ms * diff[attr][0];

  2813                                         from[attr][1] && (now += "," + from[attr][1] + "," + from[attr][2]);

  2814                                     break;

  2815                                     case "scale":

  2816                                         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);

  2817                                     break;

  2818                                     case "clip-rect":

  2819                                         now = [];

  2820                                         var i = 4;

  2821                                         while (i--) {

  2822                                             now[i] = +from[attr][i] + pos * ms * diff[attr][i];

  2823                                         }

  2824                                     break;

  2825                                 }

  2826                                 break;

  2827                         }

  2828                         set[attr] = now;

  2829                     }

  2830                     that.attr(set);

  2831                     that._run && that._run.call(that);

  2832                 } else {

  2833                     if (to.along) {

  2834                         var point = getPointAtLength(to.along, to.len * !to.back);

  2835                         that.translate(diff.sx - (diff.x || 0) + point.x - diff.sx, diff.sy - (diff.y || 0) + point.y - diff.sy);

  2836                         to.rot && that.rotate(diff.r + point.alpha, point.x, point.y);

  2837                     }

  2838                     (t.x || t.y) && that.translate(-t.x, -t.y);

  2839                     to.scale && (to.scale = to.scale + E);

  2840                     that.attr(to);

  2841                     delete animationElements[l];

  2842                     animationElements[length]--;

  2843                     that.in_animation = null;

  2844                     R.is(callback, "function") && callback.call(that);

  2845                 }

  2846                 e.prev = time;

  2847             }

  2848             R.svg && that && that.paper.safari();

  2849             animationElements[length] && setTimeout(animation);

  2850         },

  2851         upto255 = function (color) {

  2852             return color > 255 ? 255 : (color < 0 ? 0 : color);

  2853         },

  2854         translate = function (x, y) {

  2855             if (x == null) {

  2856                 return {x: this._.tx, y: this._.ty, toString: x_y};

  2857             }

  2858             this._.tx += +x;

  2859             this._.ty += +y;

  2860             switch (this.type) {

  2861                 case "circle":

  2862                 case "ellipse":

  2863                     this.attr({cx: +x + this.attrs.cx, cy: +y + this.attrs.cy});

  2864                     break;

  2865                 case "rect":

  2866                 case "image":

  2867                 case "text":

  2868                     this.attr({x: +x + this.attrs.x, y: +y + this.attrs.y});

  2869                     break;

  2870                 case "path":

  2871                     var path = pathToRelative(this.attrs.path);

  2872                     path[0][1] += +x;

  2873                     path[0][2] += +y;

  2874                     this.attr({path: path});

  2875                 break;

  2876             }

  2877             return this;

  2878         };

  2879     Element[proto].animateWith = function (element, params, ms, easing, callback) {

  2880         animationElements[element.id] && (params.start = animationElements[element.id].start);

  2881         return this.animate(params, ms, easing, callback);

  2882     };

  2883     Element[proto].animateAlong = along();

  2884     Element[proto].animateAlongBack = along(1);

  2885     function along(isBack) {

  2886         return function (path, ms, rotate, callback) {

  2887             var params = {back: isBack};

  2888             R.is(rotate, "function") ? (callback = rotate) : (params.rot = rotate);

  2889             path && path.constructor == Element && (path = path.attrs.path);

  2890             path && (params.along = path);

  2891             return this.animate(params, ms, callback);

  2892         };

  2893     }

  2894     Element[proto].onAnimation = function (f) {

  2895         this._run = f || 0;

  2896         return this;

  2897     };

  2898     Element[proto].animate = function (params, ms, easing, callback) {

  2899         if (R.is(easing, "function") || !easing) {

  2900             callback = easing || null;

  2901         }

  2902         var from = {},

  2903             to = {},

  2904             diff = {};

  2905         for (var attr in params) if (params[has](attr)) {

  2906             if (availableAnimAttrs[has](attr)) {

  2907                 from[attr] = this.attr(attr);

  2908                 (from[attr] == null) && (from[attr] = availableAttrs[attr]);

  2909                 to[attr] = params[attr];

  2910                 switch (availableAnimAttrs[attr]) {

  2911                     case "along":

  2912                         var len = getTotalLength(params[attr]),

  2913                             point = getPointAtLength(params[attr], len * !!params.back),

  2914                             bb = this.getBBox();

  2915                         diff[attr] = len / ms;

  2916                         diff.tx = bb.x;

  2917                         diff.ty = bb.y;

  2918                         diff.sx = point.x;

  2919                         diff.sy = point.y;

  2920                         to.rot = params.rot;

  2921                         to.back = params.back;

  2922                         to.len = len;

  2923                         params.rot && (diff.r = toFloat(this.rotate()) || 0);

  2924                         break;

  2925                     case "number":

  2926                         diff[attr] = (to[attr] - from[attr]) / ms;

  2927                         break;

  2928                     case "colour":

  2929                         from[attr] = R.getRGB(from[attr]);

  2930                         var toColour = R.getRGB(to[attr]);

  2931                         diff[attr] = {

  2932                             r: (toColour.r - from[attr].r) / ms,

  2933                             g: (toColour.g - from[attr].g) / ms,

  2934                             b: (toColour.b - from[attr].b) / ms

  2935                         };

  2936                         break;

  2937                     case "path":

  2938                         var pathes = path2curve(from[attr], to[attr]);

  2939                         from[attr] = pathes[0];

  2940                         var toPath = pathes[1];

  2941                         diff[attr] = [];

  2942                         for (var i = 0, ii = from[attr][length]; i < ii; i++) {

  2943                             diff[attr][i] = [0];

  2944                             for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {

  2945                                 diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;

  2946                             }

  2947                         }

  2948                         break;

  2949                     case "csv":

  2950                         var values = (params[attr] + E)[split](separator),

  2951                             from2 = (from[attr] + E)[split](separator);

  2952                         switch (attr) {

  2953                             case "translation":

  2954                                 from[attr] = [0, 0];

  2955                                 diff[attr] = [values[0] / ms, values[1] / ms];

  2956                             break;

  2957                             case "rotation":

  2958                                 from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];

  2959                                 diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];

  2960                             break;

  2961                             case "scale":

  2962                                 params[attr] = values;

  2963                                 from[attr] = (from[attr] + E)[split](separator);

  2964                                 diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];

  2965                             break;

  2966                             case "clip-rect":

  2967                                 from[attr] = (from[attr] + E)[split](separator);

  2968                                 diff[attr] = [];

  2969                                 var i = 4;

  2970                                 while (i--) {

  2971                                     diff[attr][i] = (values[i] - from[attr][i]) / ms;

  2972                                 }

  2973                             break;

  2974                         }

  2975                         to[attr] = values;

  2976                 }

  2977             }

  2978         }

  2979         this.stop();

  2980         this.in_animation = 1;

  2981         animationElements[this.id] = {

  2982             start: params.start || +new Date,

  2983             ms: ms,

  2984             easing: easing,

  2985             from: from,

  2986             diff: diff,

  2987             to: to,

  2988             el: this,

  2989             callback: callback,

  2990             t: {x: 0, y: 0}

  2991         };

  2992         ++animationElements[length] == 1 && animation();

  2993         return this;

  2994     };

  2995     Element[proto].stop = function () {

  2996         animationElements[this.id] && animationElements[length]--;

  2997         delete animationElements[this.id];

  2998         return this;

  2999     };

  3000     Element[proto].translate = function (x, y) {

  3001         return this.attr({translation: x + " " + y});

  3002     };

  3003     Element[proto][toString] = function () {

  3004         return "Rapha\xebl\u2019s object";

  3005     };

  3006     R.ae = animationElements;

  3007  

  3008     // Set

  3009     var Set = function (items) {

  3010         this.items = [];

  3011         this[length] = 0;

  3012         if (items) {

  3013             for (var i = 0, ii = items[length]; i < ii; i++) {

  3014                 if (items[i] && (items[i].constructor == Element || items[i].constructor == Set)) {

  3015                     this[this.items[length]] = this.items[this.items[length]] = items[i];

  3016                     this[length]++;

  3017                 }

  3018             }

  3019         }

  3020     };

  3021     Set[proto][push] = function () {

  3022         var item,

  3023             len;

  3024         for (var i = 0, ii = arguments[length]; i < ii; i++) {

  3025             item = arguments[i];

  3026             if (item && (item.constructor == Element || item.constructor == Set)) {

  3027                 len = this.items[length];

  3028                 this[len] = this.items[len] = item;

  3029                 this[length]++;

  3030             }

  3031         }

  3032         return this;

  3033     };

  3034     Set[proto].pop = function () {

  3035         delete this[this[length]--];

  3036         return this.items.pop();

  3037     };

  3038     for (var method in Element[proto]) if (Element[proto][has](method)) {

  3039         Set[proto][method] = (function (methodname) {

  3040             return function () {

  3041                 for (var i = 0, ii = this.items[length]; i < ii; i++) {

  3042                     this.items[i][methodname][apply](this.items[i], arguments);

  3043                 }

  3044                 return this;

  3045             };

  3046         })(method);

  3047     }

  3048     Set[proto].attr = function (name, value) {

  3049         if (name && R.is(name, "array") && R.is(name[0], "object")) {

  3050             for (var j = 0, jj = name[length]; j < jj; j++) {

  3051                 this.items[j].attr(name[j]);

  3052             }

  3053         } else {

  3054             for (var i = 0, ii = this.items[length]; i < ii; i++) {

  3055                 this.items[i].attr[apply](this.items[i], arguments);

  3056             }

  3057         }

  3058         return this;

  3059     };

  3060     Set[proto].animate = function (params, ms, easing, callback) {

  3061         (R.is(easing, "function") || !easing) && (callback = easing || null);

  3062         var len = this.items[length],

  3063             i = len,

  3064             set = this,

  3065             collector;

  3066         callback && (collector = function () {

  3067             !--len && callback.call(set);

  3068         });

  3069         this.items[--i].animate(params, ms, easing || collector, collector);

  3070         while (i--) {

  3071             this.items[i].animateWith(this.items[len - 1], params, ms, easing || collector, collector);

  3072         }

  3073         return this;

  3074     };

  3075     Set[proto].insertAfter = function (el) {

  3076         var i = this.items[length];

  3077         while (i--) {

  3078             this.items[i].insertAfter(el);

  3079         }

  3080         return this;

  3081     };

  3082     Set[proto].getBBox = function () {

  3083         var x = [],

  3084             y = [],

  3085             w = [],

  3086             h = [];

  3087         for (var i = this.items[length]; i--;) {

  3088             var box = this.items[i].getBBox();

  3089             x[push](box.x);

  3090             y[push](box.y);

  3091             w[push](box.x + box.width);

  3092             h[push](box.y + box.height);

  3093         }

  3094         x = mmin[apply](0, x);

  3095         y = mmin[apply](0, y);

  3096         return {

  3097             x: x,

  3098             y: y,

  3099             width: mmax[apply](0, w) - x,

  3100             height: mmax[apply](0, h) - y

  3101         };

  3102     };

  3103  

  3104     R.registerFont = function (font) {

  3105         if (!font.face) {

  3106             return font;

  3107         }

  3108         this.fonts = this.fonts || {};

  3109         var fontcopy = {

  3110                 w: font.w,

  3111                 face: {},

  3112                 glyphs: {}

  3113             },

  3114             family = font.face["font-family"];

  3115         for (var prop in font.face) if (font.face[has](prop)) {

  3116             fontcopy.face[prop] = font.face[prop];

  3117         }

  3118         if (this.fonts[family]) {

  3119             this.fonts[family][push](fontcopy);

  3120         } else {

  3121             this.fonts[family] = [fontcopy];

  3122         }

  3123         if (!font.svg) {

  3124             fontcopy.face["units-per-em"] = toInt(font.face["units-per-em"], 10);

  3125             for (var glyph in font.glyphs) if (font.glyphs[has](glyph)) {

  3126                 var path = font.glyphs[glyph];

  3127                 fontcopy.glyphs[glyph] = {

  3128                     w: path.w,

  3129                     k: {},

  3130                     d: path.d && "M" + path.d[rp](/[mlcxtrv]/g, function (command) {

  3131                             return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";

  3132                         }) + "z"

  3133                 };

  3134                 if (path.k) {

  3135                     for (var k in path.k) if (path[has](k)) {

  3136                         fontcopy.glyphs[glyph].k[k] = path.k[k];

  3137                     }

  3138                 }

  3139             }

  3140         }

  3141         return font;

  3142     };

  3143     Paper[proto].getFont = function (family, weight, style, stretch) {

  3144         stretch = stretch || "normal";

  3145         style = style || "normal";

  3146         weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;

  3147         var font = R.fonts[family];

  3148         if (!font) {

  3149             var name = new RegExp("(^|\\s)" + family[rp](/[^\w\d\s+!~.:_-]/g, E) + "(\\s|$)", "i");

  3150             for (var fontName in R.fonts) if (R.fonts[has](fontName)) {

  3151                 if (name.test(fontName)) {

  3152                     font = R.fonts[fontName];

  3153                     break;

  3154                 }

  3155             }

  3156         }

  3157         var thefont;

  3158         if (font) {

  3159             for (var i = 0, ii = font[length]; i < ii; i++) {

  3160                 thefont = font[i];

  3161                 if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {

  3162                     break;

  3163                 }

  3164             }

  3165         }

  3166         return thefont;

  3167     };

  3168     Paper[proto].print = function (x, y, string, font, size, origin) {

  3169         origin = origin || "middle"; // baseline|middle

  3170         var out = this.set(),

  3171             letters = (string + E)[split](E),

  3172             shift = 0,

  3173             path = E,

  3174             scale;

  3175         R.is(font, "string") && (font = this.getFont(font));

  3176         if (font) {

  3177             scale = (size || 16) / font.face["units-per-em"];

  3178             var bb = font.face.bbox.split(separator),

  3179                 top = +bb[0],

  3180                 height = +bb[1] + (origin == "baseline" ? bb[3] - bb[1] + (+font.face.descent) : (bb[3] - bb[1]) / 2);

  3181             for (var i = 0, ii = letters[length]; i < ii; i++) {

  3182                 var prev = i && font.glyphs[letters[i - 1]] || {},

  3183                     curr = font.glyphs[letters[i]];

  3184                 shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) : 0;

  3185                 curr && curr.d && out[push](this.path(curr.d).attr({fill: "#000", stroke: "none", translation: [shift, 0]}));

  3186             }

  3187             out.scale(scale, scale, top, height).translate(x - top, y - height);

  3188         }

  3189         return out;

  3190     };

  3191  

  3192     R.format = function (token) {

  3193         var args = R.is(arguments[1], "array") ? [0][concat](arguments[1]) : arguments,

  3194             rg = /\{(\d+)\}/g;

  3195         token && R.is(token, "string") && args[length] - 1 && (token = token[rp](rg, function (str, i) {

  3196             return args[++i] == null ? E : args[i];

  3197         }));

  3198         return token || E;

  3199     };

  3200     R.ninja = function () {

  3201         var r = win.Raphael, u;

  3202         if (oldRaphael.was) {

  3203             win.Raphael = oldRaphael.is;

  3204         } else {

  3205             try {

  3206                 delete win.Raphael;

  3207             } catch (e) {

  3208                 win.Raphael = u;

  3209             }

  3210         }

  3211         return r;

  3212     };

  3213     R.el = Element[proto];

  3214     return R;

  3215 })();
author	Robert McIntyre <rlm@mit.edu>
date	Wed, 23 Jun 2010 10:14:46 -0400
parents	7742910e0479
children