git.roojs.org Git - raphael/blob - raphael.js

   1 /*
   2  * Raphael 0.5.6b - JavaScript Vector Library
   3  *
   4  * Copyright (c) 2008 Dmitry Baranovskiy (raphaeljs.com)
   5  * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
   6  */
   7 var Raphael = (function (type) {
   8         var r = function () {
   9             return r._create.apply(r, arguments);
  10         };
  11         r.version = "0.5.6b";
  12         r.type = type;
  13         var C = {};
  14         function Matrix(m11, m12, m21, m22, dx, dy) {
  15             this.m = [
  16                 [m11 || 1, m12 || 0, 0],
  17                 [m21 || 0, m22 || 1, 0],
  18                 [dx || 0, dy || 0, 1],
  19             ];
  20         }
  21
  22         C._getX = C._getY = C._getW = C._getH = function (x) { return x; };
  23
  24         if (type == "VML") {
  25             Matrix.prototype.toString = function () {
  26                 return "progid:DXImageTransform.Microsoft.Matrix(M11=" + this.m[0][0] +
  27                     ", M12=" + this.m[1][0] + ", M21=" + this.m[0][1] + ", M22=" + this.m[1][1] +
  28                     ", Dx=" + this.m[2][0] + ", Dy=" + this.m[2][1] + ", sizingmethod='auto expand', filtertype='bilinear')";
  29             };
  30             var thePath = function (params, pathString, VML) {
  31                 var g = document.createElement("rvml:group"), gl = g.style;
  32                 gl.position = "absolute";
  33                 gl.left = 0;
  34                 gl.top = 0;
  35                 gl.width = VML.width + "px";
  36                 gl.height = VML.height + "px";
  37                 var el = document.createElement("rvml:shape"), ol = el.style;
  38                 ol.width = VML.width + "px";
  39                 ol.height = VML.height + "px";
  40                 el.path = "";
  41                 if (params["class"]) {
  42                     el.className = params["class"];
  43                 }
  44                 el.coordsize = this.coordsize;
  45                 el.coordorigin = this.coordorigin;
  46                 g.appendChild(el);
  47                 VML.canvas.appendChild(g);
  48                 var p = new Element(el, g, VML);
  49                 setFillAndStroke(p, params);
  50                 if (params.gradient) {
  51                     addGrdientFill(p, params.gradient);
  52                 }
  53                 p.isAbsolute = true;
  54                 p.type = "path";
  55                 p.path = [];
  56                 p.last = {x: 0, y: 0, bx: 0, by: 0, isAbsolute: true};
  57                 p.Path = "";
  58                 p.absolutely = function () {
  59                     this.isAbsolute = true;
  60                     return this;
  61                 };
  62                 p.relatively = function () {
  63                     this.isAbsolute = false;
  64                     return this;
  65                 };
  66                 p.redraw = function () {
  67                     this.Path = "";
  68                     var oldPath = this.path;
  69                     this.path = [];
  70                     for (var i = 0, ii = oldPath.length; i < ii; i++) {
  71                         if (oldPath[i].type != "end") {
  72                             this[oldPath[i].type + "To"].apply(this, oldPath[i].arg);
  73                         } else {
  74                             this.andClose();
  75                         }
  76                     }
  77                     return this;
  78                 };
  79                 p.moveTo = function (x, y) {
  80                     var d = this.isAbsolute?"m":"t";
  81                     var _getX = this.isAbsolute ? VML._getX : VML._getW;
  82                     var _getY = this.isAbsolute ? VML._getY : VML._getH;
  83                     d += Math.round(_getX(parseFloat(x, 10))) + " " + Math.round(_getY(parseFloat(y, 10)));
  84                     this[0].path = this.Path += d;
  85                     this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(x, 10)));
  86                     this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(y, 10)));
  87                     this.last.isAbsolute = this.isAbsolute;
  88                     this.path.push({type: "move", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
  89                     return this;
  90                 };
  91                 p.lineTo = function (x, y) {
  92                     var d = this.isAbsolute?"l":"r";
  93                     var _getX = this.isAbsolute ? VML._getX : VML._getW;
  94                     var _getY = this.isAbsolute ? VML._getY : VML._getH;
  95                     d += Math.round(_getX(parseFloat(x, 10))) + " " + Math.round(_getY(parseFloat(y, 10)));
  96                     this[0].path = this.Path += d;
  97                     this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(x, 10)));
  98                     this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(y, 10)));
  99                     this.last.isAbsolute = this.isAbsolute;
 100                     this.path.push({type: "line", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 101                     return this;
 102                 };
 103                 p.arcTo = function (rx, ry, large_arc_flag, sweep_flag, x2, y2) {
 104                     // for more information of where this math came from visit:
 105                     // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
 106                     x2 = (this.isAbsolute ? 0 : this.last.x) + x2;
 107                     y2 = (this.isAbsolute ? 0 : this.last.y) + y2;
 108                     var x1 = this.last.x,
 109                         y1 = this.last.y,
 110                         x = (x1 - x2) / 2,
 111                         y = (y1 - y2) / 2,
 112                         k = (large_arc_flag == sweep_flag ? -1 : 1) *
 113                             Math.sqrt((rx * rx * ry * ry - rx * rx * y * y - ry * ry * x * x) / (rx * rx * y * y + ry * ry * x * x)),
 114                         cx = k * rx * y / ry + (x1 + x2) / 2,
 115                         cy = k * -ry * x / rx + (y1 + y2) / 2,
 116                         d = sweep_flag ? (this.isAbsolute?"wa":"wr") : (this.isAbsolute?"at":"ar"),
 117                         _getX = this.isAbsolute ? VML._getX : VML._getW,
 118                         _getY = this.isAbsolute ? VML._getY : VML._getH,
 119                         left = Math.round(cx - rx),
 120                         top = Math.round(cy - ry);
 121                     d += [left, top, left + rx * 2, top + ry * 2, x1, y1, Math.round(_getX(parseFloat(x2, 10))), Math.round(_getX(parseFloat(y2, 10)))].join(", ");
 122                     this[0].path = this.Path += d;
 123                     this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(x2, 10)));
 124                     this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(y2, 10)));
 125                     this.last.isAbsolute = this.isAbsolute;
 126                     this.path.push({type: "arc", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 127                     return this;
 128                 };
 129                 p.cplineTo = function (x1, y1, w1) {
 130                     if (!w1) {
 131                         return this.lineTo(x1, y1);
 132                     } else {
 133                         var p = {};
 134                         p._getX = this.isAbsolute ? VML._getX : VML._getW;
 135                         p._getY = this.isAbsolute ? VML._getY : VML._getH;
 136                         var x = Math.round(p._getX(Math.round(parseFloat(x1, 10) * 100) / 100));
 137                         var y = Math.round(p._getY(Math.round(parseFloat(y1, 10) * 100) / 100));
 138                         var w = Math.round(VML._getW(Math.round(parseFloat(w1, 10) * 100) / 100));
 139                         var d = this.isAbsolute?"c":"v";
 140                         var attr = [this.last.x + w, this.last.y, x - w, y, x, y];
 141                         d += attr.join(" ") + " ";
 142                         this.last.x = (this.isAbsolute ? 0 : this.last.x) + attr[4];
 143                         this.last.y = (this.isAbsolute ? 0 : this.last.y) + attr[5];
 144                         this.last.bx = attr[2];
 145                         this.last.by = attr[3];
 146                         this[0].path = this.Path += d;
 147                         this.path.push({type: "cpline", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 148                         return this;
 149                     }
 150                 };
 151                 p.curveTo = function () {
 152                     var d = this.isAbsolute?"c":"v";
 153                     var _getX = this.isAbsolute ? VML._getX : VML._getW;
 154                     var _getY = this.isAbsolute ? VML._getY : VML._getH;
 155                     if (arguments.length == 6) {
 156                         this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(arguments[4], 10)));
 157                         this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(arguments[5], 10)));
 158                         this.last.bx = Math.round(_getX(parseFloat(arguments[2], 10)));
 159                         this.last.by = Math.round(_getY(parseFloat(arguments[3], 10)));
 160                         d += Math.round(_getX(parseFloat(arguments[0], 10))) + " " + Math.round(_getY(parseFloat(arguments[1], 10))) + " " +
 161                              Math.round(_getX(parseFloat(arguments[2], 10))) + " " + Math.round(_getY(parseFloat(arguments[3], 10))) + " " +
 162                              Math.round(_getX(parseFloat(arguments[4], 10))) + " " + Math.round(_getY(parseFloat(arguments[5], 10))) + " ";
 163                         this.last.isAbsolute = this.isAbsolute;
 164                     }
 165                     this[0].path = this.Path += d;
 166                     this.path.push({type: "curve", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 167                     return this;
 168                 };
 169                 p.addRoundedCorner = function (r, dir) {
 170                     var R = .5522 * r, rollback = this.isAbsolute, o = this;
 171                     if (rollback) {
 172                         this.relatively();
 173                         rollback = function () {
 174                             o.absolutely();
 175                         };
 176                     } else {
 177                         rollback = function () {};
 178                     }
 179                     var actions = {
 180                         l: function () {
 181                             return {
 182                                 u: function () {
 183                                     o.curveTo(-R, 0, -r, -(r - R), -r, -r);
 184                                 },
 185                                 d: function () {
 186                                     o.curveTo(-R, 0, -r, r - R, -r, r);
 187                                 }
 188                             };
 189                         },
 190                         r: function () {
 191                             return {
 192                                 u: function () {
 193                                     o.curveTo(R, 0, r, -(r - R), r, -r);
 194                                 },
 195                                 d: function () {
 196                                     o.curveTo(R, 0, r, r - R, r, r);
 197                                 }
 198                             };
 199                         },
 200                         u: function () {
 201                             return {
 202                                 r: function () {
 203                                     o.curveTo(0, -R, -(R - r), -r, r, -r);
 204                                 },
 205                                 l: function () {
 206                                     o.curveTo(0, -R, R - r, -r, -r, -r);
 207                                 }
 208                             };
 209                         },
 210                         d: function () {
 211                             return {
 212                                 r: function () {
 213                                     o.curveTo(0, R, -(R - r), r, r, r);
 214                                 },
 215                                 l: function () {
 216                                     o.curveTo(0, R, R - r, r, -r, r);
 217                                 }
 218                             };
 219                         }
 220                     };
 221                     actions[dir.charAt(0)]()[dir.charAt(1)]();
 222                     rollback();
 223                     return o;
 224                 };
 225                 p.andClose = function () {
 226                     this[0].path = (this.Path += "x e");
 227                     return this;
 228                 };
 229                 if (typeof pathString == "string") {
 230                     pathString = pathString.replace(/([mzlhvcsqta])/ig, ",$1,").replace(/([^,])\-/ig, "$1,-");
 231                     path = pathString.split(",");
 232                     var i = 1, ii = path.length;
 233                     while (i < ii) {
 234                         switch (path[i]) {
 235                             case "M":
 236                                 p.absolutely().moveTo(path[++i], path[++i]);
 237                                 break;
 238                             case "m":
 239                                 p.relatively().moveTo(path[++i], path[++i]);
 240                                 break;
 241                             case "C":
 242                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 243                                 break;
 244                             case "c":
 245                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 246                                 break;
 247                             case "L":
 248                                 p.absolutely().lineTo(path[++i], path[++i]);
 249                                 break;
 250                             case "l":
 251                                 p.relatively().lineTo(path[++i], path[++i]);
 252                                 break;
 253                             case "H":
 254                                 p.absolutely().lineTo(path[++i], 0);
 255                                 break;
 256                             case "h":
 257                                 p.relatively().lineTo(path[++i], 0);
 258                                 break;
 259                             case "V":
 260                                 p.absolutely().lineTo(0, path[++i]);
 261                                 break;
 262                             case "v":
 263                                 p.relatively().lineTo(0, path[++i]);
 264                                 break;
 265                             case "A":
 266                                 p.absolutely().arcTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 267                                 break;
 268                             case "a":
 269                                 p.relatively().arcTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 270                                 break;
 271                             case "Z":
 272                             case "z":
 273                                 p.andClose();
 274                                 break;
 275                         }
 276                         i++;
 277                     }
 278                 }
 279                 return p;
 280             };
 281             var setFillAndStroke = function (o, params) {
 282                 var s = o[0].style;
 283                 o.attrs = o.attrs || {};
 284                 for (var par in params) {
 285                     o.attrs[par] = params[par];
 286                 }
 287                 params["font-family"] && (s.fontFamily = params["font-family"]);
 288                 params["font-size"] && (s.fontSize = params["font-size"]);
 289                 params["font"] && (s.font = params["font"]);
 290                 params["font-weight"] && (s.fontWeight = params["font-weight"]);
 291                 if (typeof params.opacity != "undefined" || typeof params["stroke-width"] != "undefined" || typeof params.fill != "undefined" || typeof params.stroke != "undefined") {
 292                     o = o.shape || o[0];
 293                     var fill = (o.getElementsByTagName("fill") && o.getElementsByTagName("fill")[0]) || document.createElement("rvml:fill");
 294                     if ("fill-opacity" in params || "opacity" in params) {
 295                         fill.opacity = ((params["fill-opacity"] + 1 || 2) - 1) * ((params.opacity + 1 || 2) - 1);
 296                     }
 297                     fill.on = (params.fill && params.fill != "none");
 298                     if (fill.on && params.fill) {
 299                         fill.color = params.fill;
 300                     }
 301                     o.appendChild(fill);
 302                     var stroke = (o.getElementsByTagName("stroke") && o.getElementsByTagName("stroke")[0]) || document.createElement("rvml:stroke");
 303                     if ((params.stroke && params.stroke != "none") || params["stroke-width"] || params["stroke-opacity"] || params["stroke-dasharray"]) {
 304                         stroke.on = true;
 305                     }
 306                     if (params.stroke == "none" || typeof stroke.on == "undefined") {
 307                         stroke.on = false;
 308                     }
 309                     if (stroke.on && params.stroke) {
 310                         stroke.color = params.stroke;
 311                     }
 312                     stroke.opacity = ((params["stroke-opacity"] + 1 || 2) - 1) * ((params.opacity + 1 || 2) - 1);
 313                     stroke.joinstyle = params["stroke-linejoin"] || "miter";
 314                     stroke.miterlimit = params["stroke-miterlimit"] || 8;
 315                     stroke.endcap = {butt: "flat", square: "square", round: "round"}[params["stroke-linecap"] || "miter"];
 316                     if (params["stroke-width"]) {
 317                         stroke.weight = (parseFloat(params["stroke-width"], 10) || 1) * 12/16;
 318                     }
 319                     if (params["stroke-dasharray"]) {
 320                         var dashes = params["stroke-dasharray"].replace(" ", ",").split(","),
 321                             dashesn = [],
 322                             str = stroke.weight;
 323                         for (var i = 0, ii = dashes.length; i < ii; i++) {
 324                             var res = dashes[i] / str;
 325                             if (!isNaN(res)) {
 326                                 dashesn.push(res);
 327                             }
 328                         };
 329                         stroke.dashstyle = dashesn.join(" ");
 330                     }
 331                     o.appendChild(stroke);
 332                 }
 333             };
 334             var addGrdientFill = function (o, gradient) {
 335                 o.attrs = o.attrs || {};
 336                 o.attrs.gradient = gradient;
 337                 o = o.shape || o[0];
 338                 var fill = o.getElementsByTagName("fill");
 339                 if (fill.length) {
 340                     fill = fill[0];
 341                 } else {
 342                     fill = document.createElement("rvml:fill");
 343                 }
 344                 if (gradient.dots.length) {
 345                     fill.on = true;
 346                     fill.type = (gradient.type.toLowerCase() == "linear") ? "gradient" : "gradientradial";
 347                     if (typeof gradient.dots[0].color != "undefined") {
 348                         fill.color = gradient.dots[0].color || "#000";
 349                     }
 350                     if (typeof gradient.dots[0].opacity != "undefined") {
 351                         fill.opacity = gradient.dots[0].opacity;
 352                     }
 353                     if (typeof gradient.dots[gradient.dots.length - 1].opacity != "undefined") {
 354                         fill.opacity2 = gradient.dots[gradient.dots.length - 1].opacity;
 355                     }
 356                     if (typeof gradient.dots[gradient.dots.length - 1].color != "undefined") {
 357                         fill.color2 = gradient.dots[gradient.dots.length - 1].color || "#000";
 358                     }
 359                     var colors = "";
 360                     for (var i = 1, ii = gradient.dots.length - 1; i < ii; i++) {
 361                         colors += gradient.dots[i].offset + " " + gradient.dots[i].color;
 362                         if (i != ii - 1) {
 363                             colors += ",";
 364                         }
 365                     };
 366                     if (colors) {
 367                         fill.colors = colors;
 368                     }
 369                     if (gradient.vector) {
 370                         var angle = Math.round(Math.atan((parseInt(gradient.vector[3], 10) - parseInt(gradient.vector[1], 10)) / (parseInt(gradient.vector[2], 10) - parseInt(gradient.vector[0], 10))) * 57.29) + 180;
 371                         fill.angle = angle + 90;
 372                     }
 373                     if (gradient.type.toLowerCase() == "radial") {
 374                         fill.focusposition = "0.5, 0.5";
 375                         fill.focussize = "0, 0";
 376                         fill.method = "none";
 377                     }
 378                 }
 379             };
 380             var Element = function (node, group, vml) {
 381                 var Rotation = 0,
 382                     RotX = 0,
 383                     RotY = 0,
 384                     Scale = 1;
 385                 this[0] = node;
 386                 this.X = 0;
 387                 this.Y = 0;
 388                 this.attrs = {};
 389                 this.Group = group;
 390                 this.vml = vml;
 391             };
 392             Element.prototype.setBox = function (params) {
 393                 var gs = this.Group.style,
 394                     os = this[0].style;
 395                 for (var i in params) {
 396                     this.attrs[i] = params[i];
 397                 }
 398                 var attr = this.attrs, x, y, w, h;
 399                 switch (this.type) {
 400                     case "circle":
 401                         x = attr.cx - attr.r;
 402                         y = attr.cy - attr.r;
 403                         w = h = attr.r * 2;
 404                         break;
 405                     case "ellipse":
 406                         x = attr.cx - attr.rx;
 407                         y = attr.cy - attr.ry;
 408                         w = attr.rx * 2;
 409                         h = attr.ry * 2;
 410                         break;
 411                     case "rect":
 412                     case "image":
 413                         x = attr.x;
 414                         y = attr.y;
 415                         w = attr.w;
 416                         h = attr.h;
 417                         break;
 418                     case "text":
 419                         this.textpath.v = ["m", Math.round(attr.x), ", ", Math.round(attr.y - 2), "l", Math.round(attr.x) + 1, ", ", Math.round(attr.y - 2)].join("");
 420                         return;
 421                     default:
 422                         return;
 423                 }
 424                 var left = this.vml.width / 2 - w / 2,
 425                     top = this.vml.height / 2 - h / 2;
 426                 gs.position = "absolute";
 427                 gs.left = x - left + "px";
 428                 gs.top = y - top + "px";
 429                 this.X = x - left;
 430                 this.Y = y - top;
 431                 this.W = w;
 432                 this.H = h;
 433                 gs.width = this.vml.width + "px";
 434                 gs.height = this.vml.height + "px";
 435                 os.position = "absolute";
 436                 os.top = top + "px";
 437                 os.left = left + "px";
 438                 os.width = w + "px";
 439                 os.height = h + "px";
 440             };
 441             Element.prototype.hide = function () {
 442                 this.Group.style.display = "none";
 443                 return this;
 444             };
 445             Element.prototype.show = function () {
 446                 this.Group.style.display = "block";
 447                 return this;
 448             };
 449             Element.prototype.rotate = function (deg) {
 450                 Rotation += deg;
 451                 this.Group.style.rotation = Rotation;
 452                 return this;
 453             };
 454             Element.prototype.translate = function (x, y) {
 455                 this.X += x;
 456                 this.Y += y;
 457                 this.Group.style.left = this.X + "px";
 458                 this.Group.style.top = this.Y + "px";
 459                 return this;
 460             };
 461             // depricated
 462             Element.prototype.matrix = function (xx, xy, yx, yy, dx, dy) {
 463                 tMatrix = new Matrix(xx, xy, yx, yy, dx, dy);
 464                 this.Group.style.filter = tMatrix;
 465                 return this;
 466             };
 467             Element.prototype.scale = function (x, y) {
 468                 y = y || x;
 469                 if (x != 0 && !(x == 1 && y == 1)) {
 470                     var dirx = Math.round(x / Math.abs(x)),
 471                         diry = Math.round(y / Math.abs(y)),
 472                         s = this[0].style;
 473                     if (dirx != 1 || diry != 1) {
 474                         s.filter = new Matrix(dirx, 0, 0, diry, 0, 0);
 475                     }
 476                     var width = parseInt(s.width, 10) * x * dirx;
 477                     var height = parseInt(s.height, 10) * y * diry;
 478                     var left = parseInt(s.left, 10);
 479                     var top = parseInt(s.top, 10);
 480                     s.left = this.X = left + this.W / 2 - width / 2;
 481                     s.top = this.Y = top + this.H / 2 - height / 2;
 482                     s.width = this.W = width;
 483                     s.height = this.H = height;
 484                 }
 485                 return this;
 486             };
 487             Element.prototype.getBBox = function () {
 488                 return {
 489                     x: this.Group.offsetLeft,
 490                     y: this.Group.offsetTop,
 491                     width: this.Group.offsetWidth,
 492                     height: this.Group.offsetHeight
 493                 };
 494             };
 495             Element.prototype.remove = function () {
 496                 this[0].parentNode.removeChild(this[0]);
 497                 this.Group.parentNode.removeChild(this.Group);
 498                 this.shape && this.shape.parentNode.removeChild(this.shape);
 499             };
 500             Element.prototype.attr = function () {
 501                 if (arguments.length == 1 && typeof arguments[0] == "string") {
 502                     return this.attrs[arguments[0]];
 503                 }
 504                 if (this.attrs && arguments.length == 1 && arguments[0] instanceof Array) {
 505                     var values = {};
 506                     for (var i = 0, ii = arguments[0].length; i < ii; i++) {
 507                         values[arguments[0][i]] = this.attrs[arguments[0][i]];
 508                     };
 509                     return values;
 510                 }
 511                 if (this[0].tagName.toLowerCase() == "group") {
 512                     var children = this[0].childNodes;
 513                     this.attrs = this.attrs || {};
 514                     if (arguments.length == 2) {
 515                         this.attrs[arguments[0]] = arguments[1];
 516                     } else if (arguments.length == 1 || typeof arguments[0] == "object") {
 517                         for (var j in arguments[0]) {
 518                             this.attrs[j] = arguments[0][j];
 519                         }
 520                     }
 521                     for (var i = 0, ii = children.length; i < ii; i++) {
 522                         this.attr.apply(new item(children[i], this[0], this.vml), arguments);
 523                     }
 524                 } else {
 525                     var params;
 526                     if (arguments.length == 2) {
 527                         params = {};
 528                         params[arguments[0]] = arguments[1];
 529                     }
 530                     if (arguments.length == 1 && typeof arguments[0] == "object") {
 531                         params = arguments[0];
 532                     }
 533                     if (params) {
 534                         setFillAndStroke(this, params);
 535                         this.setBox(params);
 536                         if (params.gradient) {
 537                             addGrdientFill(this, params.gradient);
 538                         }
 539                         if (params.text && this.type == "text") {
 540                             this[0].string = params.text;
 541                         }
 542                         if (params.id) {
 543                             this[0].id = params.id;
 544                         }
 545                     }
 546                 }
 547                 return this;
 548             };
 549             Element.prototype.toFront = function () {
 550                 this.Group.parentNode.appendChild(this.Group);
 551                 return this;
 552             };
 553             Element.prototype.toBack = function () {
 554                 if (this.Group.parentNode.firstChild != this.Group) {
 555                     this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
 556                 }
 557                 return this;
 558             };
 559             var theCircle = function (vml, x, y, r) {
 560                 var g = document.createElement("rvml:group");
 561                 var o = document.createElement("rvml:oval");
 562                 g.appendChild(o);
 563                 vml.canvas.appendChild(g);
 564                 var res = new Element(o, g, vml);
 565                 setFillAndStroke(res, {stroke: "#000", fill: "none"});
 566                 res.setBox({x: x - r, y: y - r, w: r * 2, h: r * 2});
 567                 res.attrs.cx = x;
 568                 res.attrs.cy = y;
 569                 res.attrs.r = r;
 570                 res.type = "circle";
 571                 return res;
 572             };
 573             var theRect = function (vml, x, y, w, h, r) {
 574                 var g = document.createElement("rvml:group");
 575                 var o = document.createElement(r ? "rvml:roundrect" : "rvml:rect");
 576                 if (r) {
 577                     o.arcsize = r / (Math.min(w, h));
 578                 }
 579                 g.appendChild(o);
 580                 vml.canvas.appendChild(g);
 581                 var res = new Element(o, g, vml);
 582                 setFillAndStroke(res, {stroke: "#000"});
 583                 res.setBox({x: x, y: y, w: w, h: h});
 584                 res.attrs.x = x;
 585                 res.attrs.y = y;
 586                 res.attrs.w = w;
 587                 res.attrs.h = h;
 588                 res.attrs.r = r;
 589                 res.type = "rect";
 590                 return res;
 591             };
 592             var theEllipse = function (vml, x, y, rx, ry) {
 593                 var g = document.createElement("rvml:group");
 594                 var o = document.createElement("rvml:oval");
 595                 g.appendChild(o);
 596                 vml.canvas.appendChild(g);
 597                 var res = new Element(o, g, vml);
 598                 setFillAndStroke(res, {stroke: "#000"});
 599                 res.setBox({x: x - rx, y: y - ry, w: rx * 2, h: ry * 2});
 600                 res.attrs.cx = x;
 601                 res.attrs.cy = y;
 602                 res.attrs.rx = rx;
 603                 res.attrs.ry = ry;
 604                 res.type = "ellipse";
 605                 return res;
 606             };
 607             var theImage = function (vml, src, x, y, w, h) {
 608                 var g = document.createElement("rvml:group");
 609                 var o = document.createElement("rvml:image");
 610                 o.src = src;
 611                 g.appendChild(o);
 612                 vml.canvas.appendChild(g);
 613                 var res = new Element(o, g, vml);
 614                 res.type = "image";
 615                 res.setBox({x: x, y: y, w: w, h: h});
 616                 res.attrs.x = x;
 617                 res.attrs.y = y;
 618                 res.attrs.w = w;
 619                 res.attrs.h = h;
 620                 return res;
 621             };
 622             var theText = function (vml, x, y, text) {
 623                 // @TODO: setTheBox
 624                 var g = document.createElement("rvml:group"), gs = g.style;
 625                 var el = document.createElement("rvml:shape"), ol = el.style;
 626                 var path = document.createElement("rvml:path"), ps = path.style;
 627                 path.v = ["m", Math.round(x), ", ", Math.round(y - 2), "l", Math.round(x) + 1, ", ", Math.round(y - 2)].join("");
 628                 path.textpathok = true;
 629                 ol.width = vml.width;
 630                 ol.height = vml.height;
 631                 gs.position = "absolute";
 632                 gs.left = 0;
 633                 gs.top = 0;
 634                 gs.width = vml.width;
 635                 gs.height = vml.height;
 636                 var o = document.createElement("rvml:textpath");
 637                 o.string = text;
 638                 o.on = true;
 639                 o.coordsize = vml.coordsize;
 640                 o.coordorigin = vml.coordorigin;
 641                 el.appendChild(o);
 642                 el.appendChild(path);
 643                 g.appendChild(el);
 644                 vml.canvas.appendChild(g);
 645                 var res = new Element(o, g, vml);
 646                 res.shape = el;
 647                 res.textpath = path;
 648                 res.type = "text";
 649                 res.attrs.x = x;
 650                 res.attrs.y = y;
 651                 res.attrs.w = 1;
 652                 res.attrs.h = 1;
 653                 return res;
 654             };
 655             var theGroup = function (vml) {
 656                 var el = document.createElement("rvml:group"), els = el.style;
 657                 els.position = "absolute";
 658                 els.left = 0;
 659                 els.top = 0;
 660                 els.width = vml.width;
 661                 els.height = vml.height;
 662                 if (vml.canvas) {
 663                     vml.canvas.appendChild(el);
 664                 }
 665                 var res = new Element(el, el, vml);
 666                 for (var f in vml) {
 667                     if (f.charAt(0) != "_" && typeof vml[f] == "function") {
 668                         res[f] = (function (f) {
 669                             return function () {
 670                                 var e = vml[f].apply(vml, arguments);
 671                                 el.appendChild(e[0].parentNode);
 672                                 return e;
 673                             };
 674                         })(f);
 675                     }
 676                 }
 677                 res.type = "group";
 678                 return res;
 679             };
 680             r._create = function () {
 681                 // container, width, height
 682                 // x, y, width, height
 683                 var container, width, height;
 684                 if (typeof arguments[0] == "string") {
 685                     container = document.getElementById(arguments[0]);
 686                     width = arguments[1];
 687                     height = arguments[2];
 688                 }
 689                 if (typeof arguments[0] == "object") {
 690                     container = arguments[0];
 691                     width = arguments[1];
 692                     height = arguments[2];
 693                 }
 694                 if (typeof arguments[0] == "number") {
 695                     container = 1;
 696                     x = arguments[0];
 697                     y = arguments[1];
 698                     width = arguments[2];
 699                     height = arguments[3];
 700                 }
 701                 if (!container) {
 702                     throw new Error("VML container not found.");
 703                 }
 704                 if (!document.namespaces["rvml"]) {
 705                     document.namespaces.add("rvml","urn:schemas-microsoft-com:vml");
 706                     document.createStyleSheet().addRule("rvml\\:*", "behavior:url(#default#VML)");
 707                 }
 708                 var c = document.createElement("div"),
 709                     r = C.canvas = document.createElement("rvml:group"),
 710                     cs = c.style, rs = r.style;
 711                 C.width = width;
 712                 C.height = height;
 713                 width = width || "320px";
 714                 height = height || "200px";
 715                 cs.clip = "rect(0 " + width + " " + height + " 0)";
 716                 cs.position = "absolute";
 717                 rs.width  = width;
 718                 rs.height = height;
 719                 r.coordsize = (width == "100%" ? width : parseFloat(width)) + " " + (height == "100%" ? height : parseFloat(height));
 720                 r.coordorigin = "0 0";
 721
 722                 var b = document.createElement("rvml:rect"), bs = b.style;
 723                 bs.left = bs.top = 0;
 724                 bs.width  = rs.width;
 725                 bs.height = rs.height;
 726                 b.filled = b.stroked = "f";
 727
 728                 r.appendChild(b);
 729                 c.appendChild(r);
 730                 if (container == 1) {
 731                     document.body.appendChild(c);
 732                     cs.position = "absolute";
 733                     cs.left = x + "px";
 734                     cs.top = y + "px";
 735                     cs.width = width;
 736                     cs.height = height;
 737                     container = {
 738                         style: {
 739                             width: width,
 740                             height: height
 741                         }
 742                     };
 743                 } else {
 744                     cs.width = container.style.width = width;
 745                     cs.height = container.style.height = height;
 746                     if (container.firstChild) {
 747                         container.insertBefore(c, container.firstChild);
 748                     } else {
 749                         container.appendChild(c);
 750                     }
 751                 }
 752                 for (var prop in C) {
 753                     container[prop] = C[prop];
 754                 }
 755                 container.clear = function () {
 756                     var todel = [];
 757                     for (var i = 0, ii = r.childNodes.length; i < ii; i++) {
 758                         if (r.childNodes[i] != b) {
 759                             todel.push(r.childNodes[i]);
 760                         }
 761                     }
 762                     for (i = 0, ii = todel.length; i < ii; i++) {
 763                         r.removeChild(todel[i]);
 764                     }
 765                 };
 766                 return container;
 767             };
 768         }
 769         if (type == "SVG") {
 770             Matrix.prototype.toString = function () {
 771                 return "matrix(" + this.m[0][0] +
 772                     ", " + this.m[1][0] + ", " + this.m[0][1] + ", " + this.m[1][1] +
 773                     ", " + this.m[2][0] + ", " + this.m[2][1] + ")";
 774             };
 775             var thePath = function (params, pathString, SVG) {
 776                 var el = document.createElementNS(SVG.svgns, "path");
 777                 el.setAttribute("fill", "none");
 778                 if (params) {
 779                     for (var attr in params) {
 780                         if (params.gradient) {
 781                             addGrdientFill(el, params.gradient, SVG);
 782                         } else {
 783                             el.setAttribute(attr, params[attr]);
 784                         }
 785                     }
 786                 }
 787                 if (SVG.canvas) {
 788                     SVG.canvas.appendChild(el);
 789                 }
 790                 var p = new Element(el, SVG);
 791                 for (var attr in params) {
 792                     p.attrs[attr] = params[attr];
 793                 }
 794                 p.isAbsolute = true;
 795                 p.path = [];
 796                 p.last = {x: 0, y: 0, bx: 0, by: 0};
 797                 p.absolutely = function () {
 798                     this.isAbsolute = true;
 799                     return this;
 800                 };
 801                 p.relatively = function () {
 802                     this.isAbsolute = false;
 803                     return this;
 804                 };
 805                 p.redraw = function () {
 806                     this[0].setAttribute("d", "M0 0");
 807                     var oldPath = this.path;
 808                     this.path = [];
 809                     for (var i = 0, ii = oldPath.length; i < ii; i++) {
 810                         if (oldPath[i].type != "end") {
 811                             this[oldPath[i].type + "To"].apply(this, oldPath[i].arg);
 812                         } else {
 813                             this.andClose();
 814                         }
 815                     }
 816                     return this;
 817                 };
 818                 p.moveTo = function (x, y) {
 819                     var d = this.isAbsolute?"M":"m";
 820                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 821                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 822                     d += _getX(parseFloat(x, 10)) + " " + _getY(parseFloat(y, 10)) + " ";
 823                     var oldD = this[0].getAttribute("d") || "";
 824                     this[0].setAttribute("d", oldD + d);
 825                     this.last.x = SVG._getX(parseFloat(x, 10));
 826                     this.last.y = SVG._getY(parseFloat(y, 10));
 827                     this.path.push({type: "move", arg: arguments, pos: this.isAbsolute});
 828                     return this;
 829                 };
 830                 p.lineTo = function (x, y) {
 831                     var d = this.isAbsolute?"L":"l";
 832                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 833                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 834                     d += _getX(parseFloat(x, 10)) + " " + _getY(parseFloat(y, 10)) + " ";
 835                     var oldD = this[0].getAttribute("d") || "";
 836                     this[0].setAttribute("d", oldD + d);
 837                     this.last.x = SVG._getX(parseFloat(x, 10));
 838                     this.last.y = SVG._getY(parseFloat(y, 10));
 839                     this.path.push({type: "line", arg: arguments, pos: this.isAbsolute});
 840                     return this;
 841                 };
 842                 p.arcTo = function (rx, ry, large_arc_flag, sweep_flag, x, y) {
 843                     var d = this.isAbsolute ? "A" : "a";
 844                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 845                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 846                     d += [SVG._getW(parseFloat(rx, 10)), SVG._getH(parseFloat(ry, 10)), 0, large_arc_flag, sweep_flag, _getX(parseFloat(x, 10)), _getY(parseFloat(y, 10))].join(" ");
 847                     var oldD = this[0].getAttribute("d") || "";
 848                     this[0].setAttribute("d", oldD + d);
 849                     this.last.x = SVG._getX(parseFloat(x, 10));
 850                     this.last.y = SVG._getY(parseFloat(y, 10));
 851                     this.path.push({type: "arc", arg: arguments, pos: this.isAbsolute});
 852                     return this;
 853                 };
 854                 p.cplineTo = function (x1, y1, w1) {
 855                     if (!w1) {
 856                         return this.lineTo(x1, y1);
 857                     } else {
 858                         var p = {};
 859                         p._getX = this.isAbsolute ? SVG._getX : SVG._getW;
 860                         p._getY = this.isAbsolute ? SVG._getY : SVG._getH;
 861                         var x = p._getX(Math.round(parseFloat(x1, 10) * 100) / 100);
 862                         var y = p._getY(Math.round(parseFloat(y1, 10) * 100) / 100);
 863                         var w = SVG._getW(Math.round(parseFloat(w1, 10) * 100) / 100);
 864                         var d = this.isAbsolute?"C":"c";
 865                         var attr = [this.last.x + w, this.last.y, x - w, y, x, y];
 866                         for (var i = 0, ii = attr.length; i < ii; i++) {
 867                             d += attr[i] + " ";
 868                         }
 869                         this.last.x = attr[4];
 870                         this.last.y = attr[5];
 871                         this.last.bx = attr[2];
 872                         this.last.by = attr[3];
 873                         var oldD = this[0].getAttribute("d") || "";
 874                         this[0].setAttribute("d", oldD + d);
 875                         this.path.push({type: "cpline", arg: arguments, pos: this.isAbsolute});
 876                         return this;
 877                     }
 878                 };
 879                 p.curveTo = function () {
 880                     var p = {};
 881                     p._getX = this.isAbsolute ? SVG._getX : SVG._getW;
 882                     p._getY = this.isAbsolute ? SVG._getY : SVG._getH;
 883                     if (arguments.length == 6) {
 884                         var d = this.isAbsolute?"C":"c";
 885                         for (var i = 0, ii = arguments.length; i < ii; i++) {
 886                             d += p[(i % 2 == 0) ? "_getX" : "_getY"](Math.round(parseFloat(arguments[i], 10) * 100) / 100) + " ";
 887                         }
 888                         this.last.x = p._getX((parseFloat(arguments[4], 10) * 100) / 100);
 889                         this.last.y = p._getY((parseFloat(arguments[5], 10) * 100) / 100);
 890                         this.last.bx = p._getX((parseFloat(arguments[2], 10) * 100) / 100);
 891                         this.last.by = p._getY((parseFloat(arguments[3], 10) * 100) / 100);
 892                     } else {
 893                         if (arguments.length == 4) {
 894                             var d = this.isAbsolute?"S":"s";
 895                             for (var i = 0, ii = arguments.length; i < ii; i++) {
 896                                 d += p[i % 2 == 0 ? "_getX" : "_getY"]((parseFloat(arguments[i], 10) * 100) / 100) + " ";
 897                             }
 898                         }
 899                         this.last.x = p._getX((parseFloat(arguments[2], 10) * 100) / 100);
 900                         this.last.y = p._getY((parseFloat(arguments[3], 10) * 100) / 100);
 901                         this.last.bx = p._getX((parseFloat(arguments[0], 10) * 100) / 100);
 902                         this.last.by = p._getY((parseFloat(arguments[1], 10) * 100) / 100);
 903                     }
 904                     var oldD = this[0].getAttribute("d") || "";
 905                     this[0].setAttribute("d", oldD + d);
 906                     this.path.push({type: "curve", arg: arguments, pos: this.isAbsolute});
 907                     return this;
 908                 };
 909                 p.addRoundedCorner = function (r, dir) {
 910                     var R = .5522 * r, rollback = this.isAbsolute, o = this;
 911                     if (rollback) {
 912                         this.relatively();
 913                         rollback = function () {
 914                             o.absolutely();
 915                         };
 916                     } else {
 917                         rollback = function () {};
 918                     }
 919                     var actions = {
 920                         l: function () {
 921                             return {
 922                                 u: function () {
 923                                     o.curveTo(-R, 0, -r, -(r - R), -r, -r);
 924                                 },
 925                                 d: function () {
 926                                     o.curveTo(-R, 0, -r, r - R, -r, r);
 927                                 }
 928                             };
 929                         },
 930                         r: function () {
 931                             return {
 932                                 u: function () {
 933                                     o.curveTo(R, 0, r, -(r - R), r, -r);
 934                                 },
 935                                 d: function () {
 936                                     o.curveTo(R, 0, r, r - R, r, r);
 937                                 }
 938                             };
 939                         },
 940                         u: function () {
 941                             return {
 942                                 r: function () {
 943                                     o.curveTo(0, -R, -(R - r), -r, r, -r);
 944                                 },
 945                                 l: function () {
 946                                     o.curveTo(0, -R, R - r, -r, -r, -r);
 947                                 }
 948                             };
 949                         },
 950                         d: function () {
 951                             return {
 952                                 r: function () {
 953                                     o.curveTo(0, R, -(R - r), r, r, r);
 954                                 },
 955                                 l: function () {
 956                                     o.curveTo(0, R, R - r, r, -r, r);
 957                                 }
 958                             };
 959                         }
 960                     };
 961                     actions[dir[0]]()[dir[1]]();
 962                     rollback();
 963                     return o;
 964                 };
 965                 p.andClose = function () {
 966                     var oldD = this[0].getAttribute("d") || "";
 967                     this[0].setAttribute("d", oldD + "Z ");
 968                     this.path.push({type: "end"});
 969                     return this;
 970                 };
 971                 if (typeof pathString == "string") {
 972                     pathString = pathString.replace(/([mzlhvcsqta])/ig, ",$1,").replace(/([^,])\-/ig, "$1,-");
 973                     path = pathString.split(",");
 974                     var i = 1, ii = path.length;
 975                     while (i < ii) {
 976                         switch (path[i]) {
 977                             case "M":
 978                                 p.absolutely().moveTo(path[++i], path[++i]);
 979                                 break;
 980                             case "m":
 981                                 p.relatively().moveTo(path[++i], path[++i]);
 982                                 break;
 983                             case "C":
 984                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 985                                 break;
 986                             case "c":
 987                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 988                                 break;
 989                             case "s":
 990                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i]);
 991                                 break;
 992                             case "S":
 993                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i]);
 994                                 break;
 995                             case "L":
 996                                 p.absolutely().lineTo(path[++i], path[++i]);
 997                                 break;
 998                             case "l":
 999                                 p.relatively().lineTo(path[++i], path[++i]);
1000                                 break;
1001                             case "H":
1002                                 p.absolutely().lineTo(path[++i], 0);
1003                                 break;
1004                             case "h":
1005                                 p.relatively().lineTo(path[++i], 0);
1006                                 break;
1007                             case "V":
1008                                 p.absolutely().lineTo(0, path[++i]);
1009                                 break;
1010                             case "v":
1011                                 p.relatively().lineTo(0, path[++i]);
1012                                 break;
1013                             case "A":
1014                                 p.absolutely().arcTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
1015                                 break;
1016                             case "a":
1017                                 p.relatively().arcTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
1018                                 break;
1019                             case "z":
1020                                 p.andClose();
1021                                 break;
1022                         }
1023                         i++;
1024                     }
1025                 }
1026                 return p;
1027             };
1028             var addGrdientFill = function (o, gradient, SVG) {
1029                 var el = document.createElementNS(SVG.svgns, gradient.type + "Gradient");
1030                 el.id = "raphael-gradient-" + SVG.gradients++;
1031                 if (gradient.vector && gradient.vector.length) {
1032                     el.setAttribute("x1", gradient.vector[0]);
1033                     el.setAttribute("y1", gradient.vector[1]);
1034                     el.setAttribute("x2", gradient.vector[2]);
1035                     el.setAttribute("y2", gradient.vector[3]);
1036                 }
1037                 SVG.defs.appendChild(el);
1038                 for (var i = 0, ii = gradient.dots.length; i < ii; i++) {
1039                     var stop = document.createElementNS(SVG.svgns, "stop");
1040                     stop.setAttribute("offset", gradient.dots[i].offset ? gradient.dots[i].offset : (i == 0) ? "0%" : "100%");
1041                     stop.setAttribute("stop-color", gradient.dots[i].color || "#fff");
1042                     if (typeof gradient.dots[i].opacity != "undefined") {
1043                         stop.setAttribute("stop-opacity", gradient.dots[i].opacity);
1044                     }
1045                     el.appendChild(stop);
1046                 };
1047                 o.setAttribute("fill", "url(#" + el.id + ")");
1048             };
1049             var Element = function (node, svg) {
1050                 var X = 0,
1051                     Y = 0,
1052                     Rotation = {deg: 0, x: 0, y: 0},
1053                     ScaleX = 1,
1054                     ScaleY = 1,
1055                     tMatrix = null;
1056                 this[0] = node;
1057                 this.attrs = this.attrs || {};
1058                 this.transformations = []; // rotate, translate, scale, matrix
1059             };
1060             Element.prototype.hide = function () {
1061                 this[0].style.display = "none";
1062                 return this;
1063             };
1064             Element.prototype.show = function () {
1065                 this[0].style.display = "block";
1066                 return this;
1067             };
1068             Element.prototype.rotate = function (deg) {
1069                 var bbox = this.getBBox();
1070                 Rotation.deg += deg;
1071                 if (Rotation.deg) {
1072                     this.transformations[0] = ("rotate(" + Rotation.deg + " " + (bbox.x + bbox.width / 2) + " " + (bbox.y + bbox.height / 2) + ")");
1073                 } else {
1074                     this.transformations[0] = "";
1075                 }
1076                 this[0].setAttribute("transform", this.transformations.join(" "));
1077                 return this;
1078             };
1079             Element.prototype.translate = function (x, y) {
1080                 X += x;
1081                 Y += y;
1082                 if (X && Y) {
1083                     this.transformations[1] = "translate(" + X + "," + Y + ")";
1084                 } else {
1085                     this.transformations[1] = "";
1086                 }
1087                 this[0].setAttribute("transform", this.transformations.join(" "));
1088                 return this;
1089             };
1090             Element.prototype.scale = function (x, y) {
1091                 y = y || x;
1092                 if (x != 0 && !(x == 1 && y == 1)) {
1093                     ScaleX *= x;
1094                     ScaleY *= y;
1095                     if (!(ScaleX == 1 && ScaleY == 1)) {
1096                         var bbox = this.getBBox(),
1097                             dx = bbox.x * (1 - ScaleX) + (bbox.width / 2 - bbox.width * ScaleX / 2),
1098                             dy = bbox.y * (1 - ScaleY) + (bbox.height / 2 - bbox.height * ScaleY / 2);
1099                         this.transformations[2] = new Matrix(ScaleX, 0, 0, ScaleY, dx, dy);
1100                     } else {
1101                         this.transformations[2] = "";
1102                     }
1103                     this[0].setAttribute("transform", this.transformations.join(" "));
1104                 }
1105                 return this;
1106             };
1107             // depricated
1108             Element.prototype.matrix = function (xx, xy, yx, yy, dx, dy) {
1109                 this.transformations[3] = new Matrix(xx, xy, yx, yy, dx, dy);
1110                 this[0].setAttribute("transform", this.transformations.join(" "));
1111                 return this;
1112             };
1113             Element.prototype.remove = function () {
1114                 this[0].parentNode.removeChild(this[0]);
1115             };
1116             Element.prototype.getBBox = function () {
1117                 return this[0].getBBox();
1118             };
1119             Element.prototype.attr = function () {
1120                 if (arguments.length == 1 && typeof arguments[0] == "string") {
1121                     return this[0].getAttribute(arguments[0]);
1122                 }
1123                 if (arguments.length == 1 && arguments[0] instanceof Array) {
1124                     var values = {};
1125                     for (var j in arguments[0]) {
1126                         values[arguments[0][j]] = this.attrs[arguments[0][j]];
1127                     }
1128                     return values;
1129                 }
1130                 if (arguments.length == 2) {
1131                     var att = arguments[0],
1132                         value = arguments[1];
1133                     this[att] = value;
1134                     this.attrs[att] = value;
1135                     switch (att) {
1136                         case "rx":
1137                         case "cx":
1138                         case "x":
1139                             this[0].setAttribute(att, svg._getX(value));
1140                             break;
1141                         case "ry":
1142                         case "cy":
1143                         case "y":
1144                             this[0].setAttribute(att, svg._getY(value));
1145                             break;
1146                         case "width":
1147                             this[0].setAttribute(att, svg._getW(value));
1148                             break;
1149                         case "height":
1150                             this[0].setAttribute(att, svg._getH(value));
1151                             break;
1152                         case "gradient":
1153                             addGrdientFill(this[0], params.gradient, svg);
1154                             break;
1155                         case "stroke-dasharray":
1156                             this[0].setAttribute(att, value.replace(" ", ","));
1157                             break;
1158                         case "text":
1159                             if (this.type == "text") {
1160                                 this[0].removeChild(this[0].firstChild);
1161                                 this[0].appendChild(document.createTextNode(value));
1162                             }
1163                             break;
1164                         default :
1165                             var cssrule = att.replace(/(\-.)/g, function (w) {
1166                                 return w.substring(1).toUpperCase();
1167                             });
1168                             this[0].style[cssrule] = value;
1169                             // Need following line for Firefox
1170                             this[0].setAttribute(att, value);
1171                             break;
1172                     }
1173                 } else if (arguments.length == 1 && typeof arguments[0] == "object") {
1174                     var params = arguments[0];
1175                     for (var attr in params) {
1176                         this.attrs[attr] = params[attr];
1177                         if (attr == "stroke-dasharray") {
1178                             this[0].setAttribute(attr, params[attr].replace(" ", ","));
1179                         } else if (attr == "text" && this.type == "text") {
1180                             this[0].removeChild(this[0].firstChild);
1181                             this[0].appendChild(document.createTextNode(params[attr]));
1182                         } else {
1183                             var cssrule = attr.replace(/(\-.)/g, function (w) {
1184                                 return w.substring(1).toUpperCase();
1185                             });
1186                             this[0].style[cssrule] = params[attr];
1187                             // Need following line for Firefox
1188                             this[0].setAttribute(attr, params[attr]);
1189                         }
1190                     }
1191                     if (params.gradient) {
1192                         this.attrs.gradient = params.gradient;
1193                         addGrdientFill(this[0], params.gradient, svg);
1194                     }
1195                 }
1196                 return this;
1197             };
1198             Element.prototype.toFront = function () {
1199                 this[0].parentNode.appendChild(this[0]);
1200                 return this;
1201             };
1202             Element.prototype.toBack = function () {
1203                 if (this[0].parentNode.firstChild != this[0]) {
1204                     this[0].parentNode.insertBefore(this[0], this[0].parentNode.firstChild);
1205                 }
1206                 return this;
1207             };
1208             var theCircle = function (svg, x, y, r) {
1209                 var el = document.createElementNS(svg.svgns, "circle");
1210                 el.setAttribute("cx", svg._getX(x));
1211                 el.setAttribute("cy", svg._getY(y));
1212                 el.setAttribute("r", r);
1213                 el.setAttribute("fill", "none");
1214                 el.setAttribute("stroke", "#000");
1215                 if (svg.canvas) {
1216                     svg.canvas.appendChild(el);
1217                 }
1218                 var res = new Element(el, svg);
1219                 res.attrs = res.attrs || {};
1220                 res.attrs.cx = x;
1221                 res.attrs.cy = y;
1222                 res.attrs.r = r;
1223                 res.attrs.stroke = "#000";
1224                 res.type = "circle";
1225                 return res;
1226             };
1227             var theRect = function (svg, x, y, w, h, r) {
1228                 var el = document.createElementNS(svg.svgns, "rect");
1229                 el.setAttribute("x", svg._getX(x));
1230                 el.setAttribute("y", svg._getY(y));
1231                 el.setAttribute("width", svg._getW(w));
1232                 el.setAttribute("height", svg._getH(h));
1233                 if (r) {
1234                     el.setAttribute("rx", r);
1235                     el.setAttribute("ry", r);
1236                 }
1237                 el.setAttribute("fill", "none");
1238                 el.setAttribute("stroke", "#000");
1239                 if (svg.canvas) {
1240                     svg.canvas.appendChild(el);
1241                 }
1242                 var res = new Element(el, svg);
1243                 res.attrs = res.attrs || {};
1244                 res.attrs.x = x;
1245                 res.attrs.y = y;
1246                 res.attrs.width = w;
1247                 res.attrs.height = h;
1248                 res.attrs.stroke = "#000";
1249                 if (r) {
1250                     res.attrs.rx = res.attrs.ry = r;
1251                 }
1252                 res.type = "rect";
1253                 return res;
1254             };
1255             var theEllipse = function (svg, x, y, rx, ry) {
1256                 var el = document.createElementNS(svg.svgns, "ellipse");
1257                 el.setAttribute("cx", svg._getX(x));
1258                 el.setAttribute("cy", svg._getY(y));
1259                 el.setAttribute("rx", svg._getW(rx));
1260                 el.setAttribute("ry", svg._getH(ry));
1261                 el.setAttribute("fill", "none");
1262                 el.setAttribute("stroke", "#000");
1263                 if (svg.canvas) {
1264                     svg.canvas.appendChild(el);
1265                 }
1266                 var res = new Element(el, svg);
1267                 res.attrs = res.attrs || {};
1268                 res.attrs.cx = x;
1269                 res.attrs.cy = y;
1270                 res.attrs.rx = rx;
1271                 res.attrs.ry = ry;
1272                 res.attrs.stroke = "#000";
1273                 res.type = "ellipse";
1274                 return res;
1275             };
1276             var theImage = function (svg, src, x, y, w, h) {
1277                 var el = document.createElementNS(svg.svgns, "image");
1278                 el.setAttribute("x", svg._getX(x));
1279                 el.setAttribute("y", svg._getY(y));
1280                 el.setAttribute("width", svg._getW(w));
1281                 el.setAttribute("height", svg._getH(h));
1282                 el.setAttributeNS(svg.xlink, "href", src);
1283                 if (svg.canvas) {
1284                     svg.canvas.appendChild(el);
1285                 }
1286                 var res = new Element(el, svg);
1287                 res.attrs = res.attrs || {};
1288                 res.attrs.x = x;
1289                 res.attrs.y = y;
1290                 res.attrs.width = w;
1291                 res.attrs.height = h;
1292                 res.type = "image";
1293                 return res;
1294             };
1295             var theText = function (svg, x, y, text) {
1296                 var el = document.createElementNS(svg.svgns, "text");
1297                 el.setAttribute("x", x);
1298                 el.setAttribute("y", y);
1299                 el.setAttribute("text-anchor", "middle");
1300                 el.setAttribute("fill", "#000");
1301                 if (text) {
1302                     el.appendChild(document.createTextNode(text));
1303                 }
1304                 if (svg.canvas) {
1305                     svg.canvas.appendChild(el);
1306                 }
1307                 var res = new Element(el, svg);
1308                 res.attrs = res.attrs || {};
1309                 res.attrs.x = x;
1310                 res.attrs.y = y;
1311                 res.attrs.fill = "#000";
1312                 res.type = "text";
1313                 return res;
1314             };
1315             var theGroup = function (svg) {
1316                 var el = document.createElementNS(svg.svgns, "g");
1317                 if (svg.canvas) {
1318                     svg.canvas.appendChild(el);
1319                 }
1320                 var i = new Element(el, svg);
1321                 for (var f in svg) {
1322                     if (f[0] != "_" && typeof svg[f] == "function") {
1323                         i[f] = (function (f) {
1324                             return function () {
1325                                 var e = svg[f].apply(svg, arguments);
1326                                 el.appendChild(e[0]);
1327                                 return e;
1328                             };
1329                         })(f);
1330                     }
1331                 }
1332                 i.type = "group";
1333                 return i;
1334             };
1335             r._create = function () {
1336                 // container, width, height
1337                 // x, y, width, height
1338                 if (typeof arguments[0] == "string") {
1339                     var container = document.getElementById(arguments[0]);
1340                     var width = arguments[1];
1341                     var height = arguments[2];
1342                 }
1343                 if (typeof arguments[0] == "object") {
1344                     var container = arguments[0];
1345                     var width = arguments[1];
1346                     var height = arguments[2];
1347                 }
1348                 if (typeof arguments[0] == "number") {
1349                     var container = 1,
1350                         x = arguments[0],
1351                         y = arguments[1],
1352                         width = arguments[2],
1353                         height = arguments[3];
1354                 }
1355                 if (!container) {
1356                     throw new Error("SVG container not found.");
1357                 }
1358                 C.canvas = document.createElementNS(C.svgns, "svg");
1359                 C.canvas.setAttribute("width", width || 320);
1360                 C.width = width || 320;
1361                 C.canvas.setAttribute("height", height || 200);
1362                 C.height = height || 200;
1363                 if (container == 1) {
1364                     document.body.appendChild(C.canvas);
1365                     C.canvas.style.position = "absolute";
1366                     C.canvas.style.left = x + "px";
1367                     C.canvas.style.top = y + "px";
1368                 } else {
1369                     if (container.firstChild) {
1370                         container.insertBefore(C.canvas, container.firstChild);
1371                     } else {
1372                         container.appendChild(C.canvas);
1373                     }
1374                 }
1375                 container = {
1376                     canvas: C.canvas,
1377                     clear: function () {
1378                         while (this.canvas.firstChild) {
1379                             this.canvas.removeChild(this.canvas.firstChild);
1380                         }
1381                         this.defs = document.createElementNS(C.svgns, "defs");
1382                         this.gradients = 0;
1383                         this.canvas.appendChild(this.defs);
1384                     }
1385                 };
1386                 for (var prop in C) {
1387                     if (prop != "create") {
1388                         container[prop] = C[prop];
1389                     }
1390                 }
1391                 container.clear();
1392                 return container;
1393             };
1394             C.svgns = "http://www.w3.org/2000/svg";
1395             C.xlink = "http://www.w3.org/1999/xlink";
1396         }
1397         if (type == "VML" || type == "SVG") {
1398             C.circle = function (x, y, r) {
1399                 return theCircle(this, x, y, r);
1400             };
1401             C.rect = function (x, y, w, h, r) {
1402                 return theRect(this, x, y, w, h, r);
1403             };
1404             C.ellipse = function (x, y, rx, ry) {
1405                 return theEllipse(this, x, y, rx, ry);
1406             };
1407             C.path = function (params, pathString) {
1408                 return thePath(params, pathString, this);
1409             };
1410             C.image = function (src, x, y, w, h) {
1411                 return theImage(this, src, x, y, w, h);
1412             };
1413             C.text = function (x, y, text) {
1414                 return theText(this, x, y, text);
1415             };
1416             C.group = function () {
1417                 return theGroup(this);
1418             };
1419             C.linerect = function (x, y, w, h, r) {
1420                 if (r && parseInt(r, 10)) {
1421                     return this.path({stroke: "#000"}).moveTo(x + r, y).lineTo(x + w - r, y).addRoundedCorner(r, "rd").lineTo(x + w, y + h - r).addRoundedCorner(r, "dl").lineTo(x + r, y + h).addRoundedCorner(r, "lu").lineTo(x, y + r).addRoundedCorner(r, "ur").andClose();
1422                 }
1423                 return this.path({stroke: "#000"}).moveTo(x, y).lineTo(x + w, y).lineTo(x + w, y + h).lineTo(x, y + h).andClose();
1424             };
1425             C.drawGrid = function (x, y, w, h, wv, hv, color) {
1426                 color = color || "#000";
1427                 var p = this.path({stroke: color, "stroke-width": 1})
1428                         .moveTo(x, y).lineTo(x + w, y).lineTo(x + w, y + h).lineTo(x, y + h).lineTo(x, y);
1429                 for (var i = 1; i < hv; i++) {
1430                     p.moveTo(x, y + i * Math.round(h / hv)).lineTo(x + w, y + i * Math.round(h / hv));
1431                 }
1432                 for (var i = 1; i < wv; i++) {
1433                     p.moveTo(x + i * Math.round(w / wv), y).lineTo(x + i * Math.round(w / wv), y + h);
1434                 }
1435                 return p;
1436             };
1437             C.setGrid = function (xmin, ymin, xmax, ymax, w, h) {
1438                 var xc = (xmax - xmin) / w;
1439                 var yc = (ymax - ymin) / h;
1440                 this._getX = function (x) {
1441                     return xmin + x * xc;
1442                 };
1443                 this._getY = function (y) {
1444                     return ymin + y * yc;
1445                 };
1446                 this._getW = function (w) {
1447                     return w * xc;
1448                 };
1449                 this._getH = function (h) {
1450                     return h * yc;
1451                 };
1452             };
1453             C.clearGrid = function () {
1454                 this._getX = this._getY = this._getW = this._getH = function (x) { return x; };
1455             };
1456             C.safari = function () {
1457                 if (r.type == "SVG") {
1458                     var rect = C.rect(-C.width, -C.height, C.width * 3, C.height * 3).attr({stroke: "none"});
1459                     setTimeout(function () {rect.remove();}, 0);
1460                 }
1461             };
1462             Element.prototype.animateTo = function (x, y, ms, callback) {
1463                 clearTimeout(this.animation_in_progress);
1464                 if ("cx" in this.attrs || "x" in this.attrs) {
1465                     var is_round = ("cx" in this.attrs),
1466                         X = this.attrs.cx || this.attrs.x,
1467                         Y = this.attrs.cy || this.attrs.y;
1468                     if (x == X && y == Y) {
1469                         return this;
1470                     }
1471                     var dy = y - Y,
1472                         dx = x - X,
1473                         coeff = dy / dx,
1474                         plus = Y - coeff * X,
1475                         alpha = Math.atan(this.coeff);
1476                     this.xs = this.step * Math.cos(alpha);
1477                     if (x < X) {
1478                         this.xs = -this.xs;
1479                     }
1480                     var start = new Date(),
1481                         that = this;
1482                     (function () {
1483                         var time = (new Date()).getTime() - start.getTime();
1484                         if (time < ms) {
1485                             var x1 = X + time * dx / ms;
1486                             var y1 = x1 * coeff + plus;
1487                             that.attr(is_round ? {cx: x1, cy: y1} : {x: x1, y: y1});
1488                             that.animation_in_progress = setTimeout(arguments.callee, 1);
1489                             C.safari();
1490                         } else {
1491                             that.attr(is_round ? {cx: x, cy: y} : {x: x, y: y});
1492                             C.safari();
1493                             callback && callback.call(that);
1494                         }
1495                     })();
1496                 }
1497                 return this;
1498             };
1499
1500             return r;
1501         } else {
1502             return function () {};
1503         }
1504     })((!(window.SVGPreserveAspectRatio && window.SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMINYMIN == 2)) ? "VML" : "SVG");
1505
1506
1507 Raphael.vml = !(Raphael.svg = (Raphael.type == "SVG"));
1508 if (Raphael.vml && window.CanvasRenderingContext2D) {
1509     Raphael.type = "Canvas only";
1510     Raphael.vml = Raphael.svg = false;
1511 }
1512 Raphael.toString = function () {
1513     return "Your browser supports " + this.type;
1514 };
1515 // generic utilities
1516 Raphael.hsb2rgb = function (hue, saturation, brightness) {
1517     if (typeof hue == "object" && "h" in hue && "s" in hue && "b" in hue) {
1518         brightness = hue.b;
1519         saturation = hue.s;
1520         hue = hue.h;
1521     }
1522     var red,
1523         green,
1524         blue;
1525     if (brightness == 0) {
1526         return {r: 0, g: 0, b: 0, hex: "#000"};
1527     } else {
1528         var i = Math.floor(hue * 6),
1529             f = (hue * 6) - i,
1530             p = brightness * (1 - saturation),
1531             q = brightness * (1 - (saturation * f)),
1532             t = brightness * (1 - (saturation * (1 - f)));
1533         [
1534             function () {red = brightness; green = t; blue = p;},
1535             function () {red = q; green = brightness; blue = p;},
1536             function () {red = p; green = brightness; blue = t;},
1537             function () {red = p; green = q; blue = brightness;},
1538             function () {red = t; green = p; blue = brightness;},
1539             function () {red = brightness; green = p; blue = q;},
1540             function () {red = brightness; green = t; blue = p;},
1541         ][i]();
1542     }
1543     var rgb = {r: red, g: green, b: blue};
1544     red *= 255;
1545     green *= 255;
1546     blue *= 255;
1547     var r = Math.round(red).toString(16);
1548     if (r.length == 1) {
1549         r = "0" + r;
1550     }
1551     var g = Math.round(green).toString(16);
1552     if (g.length == 1) {
1553         g = "0" + g;
1554     }
1555     var b = Math.round(blue).toString(16);
1556     if (b.length == 1) {
1557         b = "0" + b;
1558     }
1559     rgb.hex = "#" + r + g + b;
1560     return rgb;
1561 };
1562 Raphael.rgb2hsb = function (red, green, blue) {
1563     if (typeof red == "object" && "r" in red && "g" in red && "b" in red) {
1564         blue = red.b;
1565         green = red.g;
1566         red = red.r;
1567     }
1568     if (red.charAt(0) == "#") {
1569         if (red.length == 4) {
1570             blue = parseInt(red.substring(3), 16);
1571             green = parseInt(red.substring(2, 3), 16);
1572             red = parseInt(red.substring(1, 2), 16);
1573         } else {
1574             blue = parseInt(red.substring(5), 16);
1575             green = parseInt(red.substring(3, 5), 16);
1576             red = parseInt(red.substring(1, 3), 16);
1577         }
1578     }
1579     if (red > 1 || green > 1 || blue > 1) {
1580         red /= 255;
1581         green /= 255;
1582         blue /= 255;
1583     }
1584     var max = Math.max(red, green, blue),
1585         min = Math.min(red, green, blue),
1586         hue,
1587         saturation,
1588         brightness = max;
1589     if (min == max) {
1590         return {h: 0, s: 0, b: max};
1591     } else {
1592         var delta = (max - min);
1593         saturation = delta / max;
1594         if (red == max) {
1595             hue = (green - blue) / delta;
1596         } else if (green == max) {
1597             hue = 2 + ((blue - red) / delta);
1598         } else {
1599             hue = 4 + ((red - green) / delta);
1600         }
1601         hue /= 6;
1602         if (hue < 0) {
1603             hue += 1;
1604         }
1605         if (hue > 1) {
1606             hue -= 1;
1607         }
1608     }
1609     return {h: hue, s: saturation, b: brightness};
1610 };
1611 Raphael.getColor = function (value) {
1612     var start = arguments.callee.start = arguments.callee.start || {h: 0, s: 1, b: value || .75};
1613     var rgb = this.hsb2rgb(start.h, start.s, start.b);
1614     start.h += .075;
1615     if (start.h > 1) {
1616         start.h = 0;
1617         start.s -= .2;
1618         if (start.s <= 0) {
1619             start = {h: 0, s: 1, b: start.b};
1620         }
1621     }
1622     return rgb.hex;
1623 };
1624 Raphael.getColor.reset = function () {
1625     this.start = undefined;
1626 };