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

   1 /*
   2  * Raphael 0.5.5b - 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 = "0.5.5b";
  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                     var x1 = this.last.x,
 107                         y1 = this.last.y,
 108                         x = (x1 - x2) / 2,
 109                         y = (y1 - y2) / 2,
 110                         k = (large_arc_flag == sweep_flag ? -1 : 1) *
 111                             Math.sqrt((rx * rx * ry * ry - rx * rx * y * y - ry * ry * x * x) / (rx * rx * y * y + ry * ry * x * x)),
 112                         cx = k * rx * y / ry + (x1 + x2) / 2,
 113                         cy = k * -ry * x / rx + (y1 + y2) / 2,
 114                         d = sweep_flag ? (this.isAbsolute?"wa":"wr") : (this.isAbsolute?"at":"ar"),
 115                         _getX = this.isAbsolute ? VML._getX : VML._getW,
 116                         _getY = this.isAbsolute ? VML._getY : VML._getH,
 117                         left = Math.round(cx - rx),
 118                         top = Math.round(cy - ry);
 119                     d += [left, top, left + rx * 2, top + ry * 2, x1, y1, Math.round(_getX(parseFloat(x2, 10))), Math.round(_getX(parseFloat(y2, 10)))].join(", ");
 120                     this[0].path = this.Path += d;
 121                     this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(x2, 10)));
 122                     this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(y2, 10)));
 123                     this.last.isAbsolute = this.isAbsolute;
 124                     this.path.push({type: "arc", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 125                     return this;
 126                 };
 127                 p.cplineTo = function (x1, y1, w1) {
 128                     if (!w1) {
 129                         return this.lineTo(x1, y1);
 130                     } else {
 131                         var p = {};
 132                         p._getX = this.isAbsolute ? VML._getX : VML._getW;
 133                         p._getY = this.isAbsolute ? VML._getY : VML._getH;
 134                         var x = Math.round(p._getX(Math.round(parseFloat(x1, 10) * 100) / 100));
 135                         var y = Math.round(p._getY(Math.round(parseFloat(y1, 10) * 100) / 100));
 136                         var w = Math.round(VML._getW(Math.round(parseFloat(w1, 10) * 100) / 100));
 137                         var d = this.isAbsolute?"c":"v";
 138                         var attr = [this.last.x + w, this.last.y, x - w, y, x, y];
 139                         d += attr.join(" ") + " ";
 140                         this.last.x = (this.isAbsolute ? 0 : this.last.x) + attr[4];
 141                         this.last.y = (this.isAbsolute ? 0 : this.last.y) + attr[5];
 142                         this.last.bx = attr[2];
 143                         this.last.by = attr[3];
 144                         this[0].path = this.Path += d;
 145                         this.path.push({type: "cpline", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 146                         return this;
 147                     }
 148                 };
 149                 p.curveTo = function () {
 150                     var d = this.isAbsolute?"c":"v";
 151                     var _getX = this.isAbsolute ? VML._getX : VML._getW;
 152                     var _getY = this.isAbsolute ? VML._getY : VML._getH;
 153                     if (arguments.length == 6) {
 154                         this.last.x = (this.isAbsolute ? 0 : this.last.x) + Math.round(_getX(parseFloat(arguments[4], 10)));
 155                         this.last.y = (this.isAbsolute ? 0 : this.last.y) + Math.round(_getY(parseFloat(arguments[5], 10)));
 156                         this.last.bx = Math.round(_getX(parseFloat(arguments[2], 10)));
 157                         this.last.by = Math.round(_getY(parseFloat(arguments[3], 10)));
 158                         d += Math.round(_getX(parseFloat(arguments[0], 10))) + " " + Math.round(_getY(parseFloat(arguments[1], 10))) + " " +
 159                              Math.round(_getX(parseFloat(arguments[2], 10))) + " " + Math.round(_getY(parseFloat(arguments[3], 10))) + " " +
 160                              Math.round(_getX(parseFloat(arguments[4], 10))) + " " + Math.round(_getY(parseFloat(arguments[5], 10))) + " ";
 161                         this.last.isAbsolute = this.isAbsolute;
 162                     }
 163                     this[0].path = this.Path += d;
 164                     this.path.push({type: "curve", arg: [].slice.call(arguments, 0), pos: this.isAbsolute});
 165                     return this;
 166                 };
 167                 p.addRoundedCorner = function (r, dir) {
 168                     var R = .5522 * r, rollback = this.isAbsolute, o = this;
 169                     if (rollback) {
 170                         this.relatively();
 171                         rollback = function () {
 172                             o.absolutely();
 173                         };
 174                     } else {
 175                         rollback = function () {};
 176                     }
 177                     var actions = {
 178                         l: function () {
 179                             return {
 180                                 u: function () {
 181                                     o.curveTo(-R, 0, -r, -(r - R), -r, -r);
 182                                 },
 183                                 d: function () {
 184                                     o.curveTo(-R, 0, -r, r - R, -r, r);
 185                                 }
 186                             };
 187                         },
 188                         r: function () {
 189                             return {
 190                                 u: function () {
 191                                     o.curveTo(R, 0, r, -(r - R), r, -r);
 192                                 },
 193                                 d: function () {
 194                                     o.curveTo(R, 0, r, r - R, r, r);
 195                                 }
 196                             };
 197                         },
 198                         u: function () {
 199                             return {
 200                                 r: function () {
 201                                     o.curveTo(0, -R, -(R - r), -r, r, -r);
 202                                 },
 203                                 l: function () {
 204                                     o.curveTo(0, -R, R - r, -r, -r, -r);
 205                                 }
 206                             };
 207                         },
 208                         d: function () {
 209                             return {
 210                                 r: function () {
 211                                     o.curveTo(0, R, -(R - r), r, r, r);
 212                                 },
 213                                 l: function () {
 214                                     o.curveTo(0, R, R - r, r, -r, r);
 215                                 }
 216                             };
 217                         }
 218                     };
 219                     actions[dir.charAt(0)]()[dir.charAt(1)]();
 220                     rollback();
 221                     return o;
 222                 };
 223                 p.andClose = function () {
 224                     this[0].path = (this.Path += "x e");
 225                     return this;
 226                 };
 227                 if (typeof pathString == "string") {
 228                     pathString = pathString.replace(/([mzlhvcsqta])/ig, ",$1,").replace(/([^,])\-/ig, "$1,-");
 229                     path = pathString.split(",");
 230                     var i = 1, ii = path.length;
 231                     while (i < ii) {
 232                         switch (path[i]) {
 233                             case "M":
 234                                 p.absolutely().moveTo(path[++i], path[++i]);
 235                                 break;
 236                             case "m":
 237                                 p.relatively().moveTo(path[++i], path[++i]);
 238                                 break;
 239                             case "C":
 240                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 241                                 break;
 242                             case "c":
 243                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 244                                 break;
 245                             case "L":
 246                                 p.absolutely().lineTo(path[++i], path[++i]);
 247                                 break;
 248                             case "l":
 249                                 p.relatively().lineTo(path[++i], path[++i]);
 250                                 break;
 251                             case "H":
 252                                 p.absolutely().lineTo(path[++i], 0);
 253                                 break;
 254                             case "h":
 255                                 p.relatively().lineTo(path[++i], 0);
 256                                 break;
 257                             case "V":
 258                                 p.absolutely().lineTo(0, path[++i]);
 259                                 break;
 260                             case "v":
 261                                 p.relatively().lineTo(0, path[++i]);
 262                                 break;
 263                             case "Z":
 264                             case "z":
 265                                 p.andClose();
 266                                 break;
 267                         }
 268                         i++;
 269                     }
 270                 }
 271                 return p;
 272             };
 273             var setFillAndStroke = function (o, params) {
 274                 o[0].attrs = o[0].attrs || {};
 275                 for (var par in params) {
 276                     o[0].attrs[par] = params[par];
 277                 }
 278                 params["font-family"] && (o[0].style.fontFamily = params["font-family"]);
 279                 params["font-size"] && (o[0].style.fontSize = params["font-size"]);
 280                 params["font"] && (o[0].style.font = params["font"]);
 281                 params["font-weight"] && (o[0].style.fontWeight = params["font-weight"]);
 282                 if (typeof params.opacity != "undefined" || typeof params["stroke-width"] != "undefined" || typeof params.fill != "undefined" || typeof params.stroke != "undefined") {
 283                     o = o.shape || o[0];
 284                     var fill = (o.getElementsByTagName("fill") && o.getElementsByTagName("fill")[0]) || document.createElement("rvml:fill");
 285                     if ("fill-opacity" in params || "opacity" in params) {
 286                         fill.opacity = ((params["fill-opacity"] + 1 || 2) - 1) * ((params.opacity + 1 || 2) - 1);
 287                     }
 288                     fill.on = (params.fill && params.fill != "none");
 289                     if (fill.on && params.fill) {
 290                         fill.color = params.fill;
 291                     }
 292                     if (params.fill == "none") {
 293                         fill.on = false;
 294                     }
 295                     o.appendChild(fill);
 296                     var stroke = (o.getElementsByTagName("stroke") && o.getElementsByTagName("stroke")[0]) || document.createElement("rvml:stroke");
 297                     if ((params.stroke && params.stroke != "none") || params["stroke-width"] || params["stroke-opacity"] || params["stroke-dasharray"]) {
 298                         stroke.on = true;
 299                     }
 300                     if (params.stroke == "none" || typeof stroke.on == "undefined") {
 301                         stroke.on = false;
 302                     }
 303                     if (stroke.on && params.stroke) {
 304                         stroke.color = params.stroke;
 305                     }
 306                     stroke.opacity = ((params["stroke-opacity"] + 1 || 2) - 1) * ((params.opacity + 1 || 2) - 1);
 307                     stroke.joinstyle = params["stroke-linejoin"] || "miter";
 308                     stroke.miterlimit = params["stroke-miterlimit"] || 8;
 309                     stroke.endcap = {butt: "flat", square: "square", round: "round"}[params["stroke-linecap"] || "miter"];
 310                     if (params["stroke-width"]) {
 311                         stroke.weight = (parseFloat(params["stroke-width"], 10) || 1) * 12/16;
 312                     }
 313                     if (params["stroke-dasharray"]) {
 314                         var dashes = params["stroke-dasharray"].replace(" ", ",").split(","),
 315                             dashesn = [],
 316                             str = stroke.weight;
 317                         for (var i = 0, ii = dashes.length; i < ii; i++) {
 318                             var res = dashes[i] / str;
 319                             if (!isNaN(res)) {
 320                                 dashesn.push(res);
 321                             }
 322                         };
 323                         stroke.dashstyle = dashesn.join(" ");
 324                     }
 325                     o.appendChild(stroke);
 326                 }
 327             };
 328             var addGrdientFill = function (o, gradient) {
 329                 o[0].attrs = o[0].attrs || {};
 330                 o[0].attrs.gradient = gradient;
 331                 o = o.shape || o[0];
 332                 var fill = o.getElementsByTagName("fill");
 333                 if (fill.length) {
 334                     fill = fill[0];
 335                 } else {
 336                     fill = document.createElement("rvml:fill");
 337                 }
 338                 if (gradient.dots.length) {
 339                     fill.on = true;
 340                     fill.type = (gradient.type.toLowerCase() == "linear") ? "gradient" : "gradientradial";
 341                     if (typeof gradient.dots[0].color != "undefined") {
 342                         fill.color = gradient.dots[0].color || "#000";
 343                     }
 344                     if (typeof gradient.dots[0].opacity != "undefined") {
 345                         fill.opacity = gradient.dots[0].opacity;
 346                     }
 347                     if (typeof gradient.dots[gradient.dots.length - 1].opacity != "undefined") {
 348                         fill.opacity2 = gradient.dots[gradient.dots.length - 1].opacity;
 349                     }
 350                     if (typeof gradient.dots[gradient.dots.length - 1].color != "undefined") {
 351                         fill.color2 = gradient.dots[gradient.dots.length - 1].color || "#000";
 352                     }
 353                     var colors = "";
 354                     for (var i = 1, ii = gradient.dots.length - 1; i < ii; i++) {
 355                         colors += gradient.dots[i].offset + " " + gradient.dots[i].color;
 356                         if (i != ii - 1) {
 357                             colors += ",";
 358                         }
 359                     };
 360                     if (colors) {
 361                         fill.colors = colors;
 362                     }
 363                     if (gradient.vector) {
 364                         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;
 365                         fill.angle = angle + 90;
 366                     }
 367                     if (gradient.type.toLowerCase() == "radial") {
 368                         fill.focusposition = "0.5, 0.5";
 369                         fill.focussize = "0, 0";
 370                         fill.method = "none";
 371                     }
 372                 }
 373             };
 374             var Element = function (node, group, vml) {
 375                 var Rotation = 0,
 376                     RotX = 0,
 377                     RotY = 0,
 378                     Scale = 1;
 379                 this[0] = node;
 380                 this.X = 0;
 381                 this.Y = 0;
 382                 arguments.callee.name = "Element";
 383                 this[0].attrs = {};
 384                 this.Group = group;
 385                 this.setBox = function (params) {
 386                     var gs = this.Group.style,
 387                         os = this[0].style;
 388                     for (var i in params) {
 389                         this[0].attrs[i] = params[i];
 390                     }
 391                     var attr = this[0].attrs, x, y, w, h;
 392                     switch (this.type) {
 393                         case "circle":
 394                             x = attr.cx - attr.r;
 395                             y = attr.cy - attr.r;
 396                             w = h = attr.r * 2;
 397                             break;
 398                         case "ellipse":
 399                             x = attr.cx - attr.rx;
 400                             y = attr.cy - attr.ry;
 401                             w = attr.rx * 2;
 402                             h = attr.ry * 2;
 403                             break;
 404                         case "rect":
 405                         case "image":
 406                             x = attr.x;
 407                             y = attr.y;
 408                             w = attr.w;
 409                             h = attr.h;
 410                             break;
 411                         case "text":
 412                             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("");
 413                             return;
 414                         default:
 415                             return;
 416                     }
 417                     var left = vml.width / 2 - w / 2,
 418                         top = vml.height / 2 - h / 2;
 419                     gs.position = "absolute";
 420                     gs.left = x - left + "px";
 421                     gs.top = y - top + "px";
 422                     this.X = x - left;
 423                     this.Y = y - top;
 424                     this.W = w;
 425                     this.H = h;
 426                     gs.width = vml.width + "px";
 427                     gs.height = vml.height + "px";
 428                     os.position = "absolute";
 429                     os.top = top + "px";
 430                     os.left = left + "px";
 431                     os.width = w + "px";
 432                     os.height = h + "px";
 433                 };
 434                 this.hide = function () {
 435                     this.Group.style.display = "none";
 436                     return this;
 437                 };
 438                 this.show = function () {
 439                     this.Group.style.display = "block";
 440                     return this;
 441                 };
 442                 this.rotate = function (deg) {
 443                     Rotation += deg;
 444                     this.Group.style.rotation = Rotation;
 445                     return this;
 446                 };
 447                 this.translate = function (x, y) {
 448                     this.X += x;
 449                     this.Y += y;
 450                     this.Group.style.left = this.X + "px";
 451                     this.Group.style.top = this.Y + "px";
 452                     return this;
 453                 };
 454                 // depricated
 455                 this.matrix = function (xx, xy, yx, yy, dx, dy) {
 456                     tMatrix = new Matrix(xx, xy, yx, yy, dx, dy);
 457                     this.Group.style.filter = tMatrix;
 458                     return this;
 459                 };
 460                 this.scale = function (x, y) {
 461                     y = y || x;
 462                     if (x != 0 && !(x == 1 && y == 1)) {
 463                         var dirx = Math.round(x / Math.abs(x)),
 464                             diry = Math.round(y / Math.abs(y));
 465                         if (dirx != 1 || diry != 1) {
 466                             this[0].style.filter = new Matrix(dirx, 0, 0, diry, 0, 0);
 467                         }
 468                         var width = parseInt(this[0].style.width, 10) * x * dirx;
 469                         var height = parseInt(this[0].style.height, 10) * y * diry;
 470                         var left = parseInt(this[0].style.left, 10);
 471                         var top = parseInt(this[0].style.top, 10);
 472                         this[0].style.left = this.X = left + this.W / 2 - width / 2;
 473                         this[0].style.top = this.Y = top + this.H / 2 - height / 2;
 474                         this[0].style.width = this.W = width;
 475                         this[0].style.height = this.H = height;
 476                     }
 477                     return this;
 478                 };
 479                 this.getBBox = function () {
 480                     return {
 481                         x: this.Group.offsetLeft,
 482                         y: this.Group.offsetTop,
 483                         width: this.Group.offsetWidth,
 484                         height: this.Group.offsetHeight
 485                     };
 486                 };
 487                 this.remove = function () {
 488                     this[0].parentNode.removeChild(this[0]);
 489                     this.Group.parentNode.removeChild(this.Group);
 490                     this.shape && this.shape.parentNode.removeChild(this.shape);
 491                 };
 492                 this.attr = function () {
 493                     if (arguments.length == 1 && typeof arguments[0] == "string") {
 494                         return this[0].attrs[arguments[0]];
 495                     }
 496                     if (this[0].attrs && arguments.length == 1 && arguments[0] instanceof Array) {
 497                         var values = {};
 498                         for (var i = 0, ii = arguments[0].length; i < ii; i++) {
 499                             values[arguments[0][i]] = this[0].attrs[arguments[0][i]];
 500                         };
 501                         return values;
 502                     }
 503                     if (this[0].tagName.toLowerCase() == "group") {
 504                         var children = this[0].childNodes;
 505                         this[0].attrs = this[0].attrs || {};
 506                         if (arguments.length == 2) {
 507                             this[0].attrs[arguments[0]] = arguments[1];
 508                         } else if (arguments.length == 1 || typeof arguments[0] == "object") {
 509                             for (var j in arguments[0]) {
 510                                 this[0].attrs[j] = arguments[0][j];
 511                             }
 512                         }
 513                         for (var i = 0, ii = children.length; i < ii; i++) {
 514                             this.attr.apply(new item(children[i], this[0], vml), arguments);
 515                         }
 516                     } else {
 517                         var params;
 518                         if (arguments.length == 2) {
 519                             params = {};
 520                             params[arguments[0]] = arguments[1];
 521                         }
 522                         if (arguments.length == 1 && typeof arguments[0] == "object") {
 523                             params = arguments[0];
 524                         }
 525                         if (params) {
 526                             setFillAndStroke(this, params);
 527                             this.setBox(params);
 528                             if (params.gradient) {
 529                                 addGrdientFill(this, params.gradient);
 530                             }
 531                             if (params.text && this.type == "text") {
 532                                 this[0].string = params.text;
 533                             }
 534                             if (params.id) {
 535                                 this[0].id = params.id;
 536                             }
 537                         }
 538                     }
 539                     return this;
 540                 };
 541                 this.toFront = function () {
 542                     this.Group.parentNode.appendChild(this.Group);
 543                     return this;
 544                 };
 545                 this.toBack = function () {
 546                     if (this.Group.parentNode.firstChild != this.Group) {
 547                         this.Group.parentNode.insertBefore(this.Group, this.Group.parentNode.firstChild);
 548                     }
 549                     return this;
 550                 };
 551             };
 552             var theCircle = function (vml, x, y, r) {
 553                 var g = document.createElement("rvml:group");
 554                 var o = document.createElement("rvml:oval");
 555                 g.appendChild(o);
 556                 vml.canvas.appendChild(g);
 557                 var res = new Element(o, g, vml);
 558                 setFillAndStroke(res, {stroke: "#000", fill: "none"});
 559                 res.setBox({x: x - r, y: y - r, w: r * 2, h: r * 2});
 560                 o.attrs.cx = x;
 561                 o.attrs.cy = y;
 562                 o.attrs.r = r;
 563                 res.type = "circle";
 564                 return res;
 565             };
 566             var theRect = function (vml, x, y, w, h, r) {
 567                 var g = document.createElement("rvml:group");
 568                 var o = document.createElement(r ? "rvml:roundrect" : "rvml:rect");
 569                 if (r) {
 570                     o.arcsize = r / (Math.min(w, h));
 571                 }
 572                 g.appendChild(o);
 573                 vml.canvas.appendChild(g);
 574                 var res = new Element(o, g, vml);
 575                 setFillAndStroke(res, {stroke: "#000"});
 576                 res.setBox({x: x, y: y, w: w, h: h});
 577                 o.attrs.x = x;
 578                 o.attrs.y = y;
 579                 o.attrs.w = w;
 580                 o.attrs.h = h;
 581                 o.attrs.r = r;
 582                 res.type = "rect";
 583                 return res;
 584             };
 585             var theEllipse = function (vml, x, y, rx, ry) {
 586                 var g = document.createElement("rvml:group");
 587                 var o = document.createElement("rvml:oval");
 588                 g.appendChild(o);
 589                 vml.canvas.appendChild(g);
 590                 var res = new Element(o, g, vml);
 591                 setFillAndStroke(res, {stroke: "#000"});
 592                 res.setBox({x: x - rx, y: y - ry, w: rx * 2, h: ry * 2});
 593                 o.attrs.cx = x;
 594                 o.attrs.cy = y;
 595                 o.attrs.rx = rx;
 596                 o.attrs.ry = ry;
 597                 res.type = "ellipse";
 598                 return res;
 599             };
 600             var theImage = function (vml, src, x, y, w, h) {
 601                 var g = document.createElement("rvml:group");
 602                 var o = document.createElement("rvml:image");
 603                 o.src = src;
 604                 g.appendChild(o);
 605                 vml.canvas.appendChild(g);
 606                 var res = new Element(o, g, vml);
 607                 res.type = "image";
 608                 res.setBox({x: x, y: y, w: w, h: h});
 609                 o.attrs.x = x;
 610                 o.attrs.y = y;
 611                 o.attrs.w = w;
 612                 o.attrs.h = h;
 613                 return res;
 614             };
 615             var theText = function (vml, x, y, text) {
 616                 // @TODO: setTheBox
 617                 var g = document.createElement("rvml:group"), gs = g.style;
 618                 var el = document.createElement("rvml:shape"), ol = el.style;
 619                 var path = document.createElement("rvml:path"), ps = path.style;
 620                 path.v = ["m", Math.round(x), ", ", Math.round(y - 2), "l", Math.round(x) + 1, ", ", Math.round(y - 2)].join("");
 621                 path.textpathok = true;
 622                 ol.width = vml.width;
 623                 ol.height = vml.height;
 624                 gs.position = "absolute";
 625                 gs.left = 0;
 626                 gs.top = 0;
 627                 gs.width = vml.width;
 628                 gs.height = vml.height;
 629                 var o = document.createElement("rvml:textpath");
 630                 o.string = text;
 631                 o.on = true;
 632                 o.coordsize = vml.coordsize;
 633                 o.coordorigin = vml.coordorigin;
 634                 el.appendChild(o);
 635                 el.appendChild(path);
 636                 g.appendChild(el);
 637                 vml.canvas.appendChild(g);
 638                 var res = new Element(o, g, vml);
 639                 res.shape = el;
 640                 res.textpath = path;
 641                 res.type = "text";
 642                 o.attrs.x = x;
 643                 o.attrs.y = y;
 644                 o.attrs.w = 1;
 645                 o.attrs.h = 1;
 646                 return res;
 647             };
 648             var theGroup = function (vml) {
 649                 var el = document.createElement("rvml:group"), els = el.style;
 650                 els.position = "absolute";
 651                 els.left = 0;
 652                 els.top = 0;
 653                 els.width = vml.width;
 654                 els.height = vml.height;
 655                 if (vml.canvas) {
 656                     vml.canvas.appendChild(el);
 657                 }
 658                 var res = new Element(el, el, vml);
 659                 for (var f in vml) {
 660                     if (f.charAt(0) != "_" && typeof vml[f] == "function") {
 661                         res[f] = (function (f) {
 662                             return function () {
 663                                 var e = vml[f].apply(vml, arguments);
 664                                 el.appendChild(e[0].parentNode);
 665                                 return e;
 666                             };
 667                         })(f);
 668                     }
 669                 }
 670                 res.type = "group";
 671                 return res;
 672             };
 673             r._create = function () {
 674                 // container, width, height
 675                 // x, y, width, height
 676                 var container, width, height;
 677                 if (typeof arguments[0] == "string") {
 678                     container = document.getElementById(arguments[0]);
 679                     width = arguments[1];
 680                     height = arguments[2];
 681                 }
 682                 if (typeof arguments[0] == "object") {
 683                     container = arguments[0];
 684                     width = arguments[1];
 685                     height = arguments[2];
 686                 }
 687                 if (typeof arguments[0] == "number") {
 688                     container = 1;
 689                     x = arguments[0];
 690                     y = arguments[1];
 691                     width = arguments[2];
 692                     height = arguments[3];
 693                 }
 694                 if (!container) {
 695                     throw new Error("VML container not found.");
 696                 }
 697                 if (!document.namespaces["rvml"]) {
 698                     document.namespaces.add("rvml","urn:schemas-microsoft-com:vml");
 699                     document.createStyleSheet().addRule("rvml\\:*", "behavior:url(#default#VML)");
 700                 }
 701                 var c = document.createElement("div"),
 702                     r = C.canvas = document.createElement("rvml:group"),
 703                     cs = c.style, rs = r.style;
 704                 C.width = width;
 705                 C.height = height;
 706                 width = width || "320px";
 707                 height = height || "200px";
 708                 cs.clip = "rect(0 " + width + " " + height + " 0)";
 709                 cs.position = "absolute";
 710                 rs.width  = width;
 711                 rs.height = height;
 712                 r.coordsize = (width == "100%" ? width : parseFloat(width)) + " " + (height == "100%" ? height : parseFloat(height));
 713                 r.coordorigin = "0 0";
 714
 715                 var b = document.createElement("rvml:rect"), bs = b.style;
 716                 bs.left = bs.top = 0;
 717                 bs.width  = rs.width;
 718                 bs.height = rs.height;
 719                 b.filled = b.stroked = "f";
 720
 721                 r.appendChild(b);
 722                 c.appendChild(r);
 723                 if (container == 1) {
 724                     document.body.appendChild(c);
 725                     cs.position = "absolute";
 726                     cs.left = x + "px";
 727                     cs.top = y + "px";
 728                     cs.width = width;
 729                     cs.height = height;
 730                     container = {
 731                         style: {
 732                             width: width,
 733                             height: height
 734                         }
 735                     };
 736                 } else {
 737                     cs.width = container.style.width = width;
 738                     cs.height = container.style.height = height;
 739                     if (container.firstChild) {
 740                         container.insertBefore(c, container.firstChild);
 741                     } else {
 742                         container.appendChild(c);
 743                     }
 744                 }
 745                 for (var prop in C) {
 746                     container[prop] = C[prop];
 747                 }
 748                 container.clear = function () {
 749                     var todel = [];
 750                     for (var i = 0, ii = r.childNodes.length; i < ii; i++) {
 751                         if (r.childNodes[i] != b) {
 752                             todel.push(r.childNodes[i]);
 753                         }
 754                     }
 755                     for (i = 0, ii = todel.length; i < ii; i++) {
 756                         r.removeChild(todel[i]);
 757                     }
 758                 };
 759                 return container;
 760             };
 761         }
 762         if (type == "SVG") {
 763             Matrix.prototype.toString = function () {
 764                 return "matrix(" + this.m[0][0] +
 765                     ", " + this.m[1][0] + ", " + this.m[0][1] + ", " + this.m[1][1] +
 766                     ", " + this.m[2][0] + ", " + this.m[2][1] + ")";
 767             };
 768             var thePath = function (params, pathString, SVG) {
 769                 var el = document.createElementNS(SVG.svgns, "path");
 770                 el.setAttribute("fill", "none");
 771                 if (params) {
 772                     for (var attr in params) {
 773                         if (params.gradient) {
 774                             addGrdientFill(el, params.gradient, SVG);
 775                         } else {
 776                             el.setAttribute(attr, params[attr]);
 777                         }
 778                     }
 779                 }
 780                 if (SVG.canvas) {
 781                     SVG.canvas.appendChild(el);
 782                 }
 783                 var p = new Element(el, SVG);
 784                 for (var attr in params) {
 785                     p.attrs[attr] = params[attr];
 786                 }
 787                 p.isAbsolute = true;
 788                 p.path = [];
 789                 p.last = {x: 0, y: 0, bx: 0, by: 0};
 790                 p.absolutely = function () {
 791                     this.isAbsolute = true;
 792                     return this;
 793                 };
 794                 p.relatively = function () {
 795                     this.isAbsolute = false;
 796                     return this;
 797                 };
 798                 p.redraw = function () {
 799                     this[0].setAttribute("d", "M0 0");
 800                     var oldPath = this.path;
 801                     this.path = [];
 802                     for (var i = 0, ii = oldPath.length; i < ii; i++) {
 803                         if (oldPath[i].type != "end") {
 804                             this[oldPath[i].type + "To"].apply(this, oldPath[i].arg);
 805                         } else {
 806                             this.andClose();
 807                         }
 808                     }
 809                     return this;
 810                 };
 811                 p.moveTo = function (x, y) {
 812                     var d = this.isAbsolute?"M":"m";
 813                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 814                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 815                     d += _getX(parseFloat(x, 10)) + " " + _getY(parseFloat(y, 10)) + " ";
 816                     var oldD = this[0].getAttribute("d") || "";
 817                     this[0].setAttribute("d", oldD + d);
 818                     this.last.x = SVG._getX(parseFloat(x, 10));
 819                     this.last.y = SVG._getY(parseFloat(y, 10));
 820                     this.path.push({type: "move", arg: arguments, pos: this.isAbsolute});
 821                     return this;
 822                 };
 823                 p.lineTo = function (x, y) {
 824                     var d = this.isAbsolute?"L":"l";
 825                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 826                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 827                     d += _getX(parseFloat(x, 10)) + " " + _getY(parseFloat(y, 10)) + " ";
 828                     var oldD = this[0].getAttribute("d") || "";
 829                     this[0].setAttribute("d", oldD + d);
 830                     this.last.x = SVG._getX(parseFloat(x, 10));
 831                     this.last.y = SVG._getY(parseFloat(y, 10));
 832                     this.path.push({type: "line", arg: arguments, pos: this.isAbsolute});
 833                     return this;
 834                 };
 835                 p.arcTo = function (rx, ry, large_arc_flag, sweep_flag, x, y) {
 836                     var d = this.isAbsolute ? "A" : "a";
 837                     var _getX = this.isAbsolute ? SVG._getX : SVG._getW;
 838                     var _getY = this.isAbsolute ? SVG._getY : SVG._getH;
 839                     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(" ");
 840                     var oldD = this[0].getAttribute("d") || "";
 841                     this[0].setAttribute("d", oldD + d);
 842                     this.last.x = SVG._getX(parseFloat(x, 10));
 843                     this.last.y = SVG._getY(parseFloat(y, 10));
 844                     this.path.push({type: "arc", arg: arguments, pos: this.isAbsolute});
 845                     return this;
 846                 };
 847                 p.cplineTo = function (x1, y1, w1) {
 848                     if (!w1) {
 849                         return this.lineTo(x1, y1);
 850                     } else {
 851                         var p = {};
 852                         p._getX = this.isAbsolute ? SVG._getX : SVG._getW;
 853                         p._getY = this.isAbsolute ? SVG._getY : SVG._getH;
 854                         var x = p._getX(Math.round(parseFloat(x1, 10) * 100) / 100);
 855                         var y = p._getY(Math.round(parseFloat(y1, 10) * 100) / 100);
 856                         var w = SVG._getW(Math.round(parseFloat(w1, 10) * 100) / 100);
 857                         var d = this.isAbsolute?"C":"c";
 858                         var attr = [this.last.x + w, this.last.y, x - w, y, x, y];
 859                         for (var i = 0, ii = attr.length; i < ii; i++) {
 860                             d += attr[i] + " ";
 861                         }
 862                         this.last.x = attr[4];
 863                         this.last.y = attr[5];
 864                         this.last.bx = attr[2];
 865                         this.last.by = attr[3];
 866                         var oldD = this[0].getAttribute("d") || "";
 867                         this[0].setAttribute("d", oldD + d);
 868                         this.path.push({type: "cpline", arg: arguments, pos: this.isAbsolute});
 869                         return this;
 870                     }
 871                 };
 872                 p.curveTo = function () {
 873                     var p = {};
 874                     p._getX = this.isAbsolute ? SVG._getX : SVG._getW;
 875                     p._getY = this.isAbsolute ? SVG._getY : SVG._getH;
 876                     if (arguments.length == 6) {
 877                         var d = this.isAbsolute?"C":"c";
 878                         for (var i = 0, ii = arguments.length; i < ii; i++) {
 879                             d += p[(i % 2 == 0) ? "_getX" : "_getY"](Math.round(parseFloat(arguments[i], 10) * 100) / 100) + " ";
 880                         }
 881                         this.last.x = p._getX((parseFloat(arguments[4], 10) * 100) / 100);
 882                         this.last.y = p._getY((parseFloat(arguments[5], 10) * 100) / 100);
 883                         this.last.bx = p._getX((parseFloat(arguments[2], 10) * 100) / 100);
 884                         this.last.by = p._getY((parseFloat(arguments[3], 10) * 100) / 100);
 885                     } else {
 886                         if (arguments.length == 4) {
 887                             var d = this.isAbsolute?"S":"s";
 888                             for (var i = 0, ii = arguments.length; i < ii; i++) {
 889                                 d += p[i % 2 == 0 ? "_getX" : "_getY"]((parseFloat(arguments[i], 10) * 100) / 100) + " ";
 890                             }
 891                         }
 892                         this.last.x = p._getX((parseFloat(arguments[2], 10) * 100) / 100);
 893                         this.last.y = p._getY((parseFloat(arguments[3], 10) * 100) / 100);
 894                         this.last.bx = p._getX((parseFloat(arguments[0], 10) * 100) / 100);
 895                         this.last.by = p._getY((parseFloat(arguments[1], 10) * 100) / 100);
 896                     }
 897                     var oldD = this[0].getAttribute("d") || "";
 898                     this[0].setAttribute("d", oldD + d);
 899                     this.path.push({type: "curve", arg: arguments, pos: this.isAbsolute});
 900                     return this;
 901                 };
 902                 p.addRoundedCorner = function (r, dir) {
 903                     var R = .5522 * r, rollback = this.isAbsolute, o = this;
 904                     if (rollback) {
 905                         this.relatively();
 906                         rollback = function () {
 907                             o.absolutely();
 908                         };
 909                     } else {
 910                         rollback = function () {};
 911                     }
 912                     var actions = {
 913                         l: function () {
 914                             return {
 915                                 u: function () {
 916                                     o.curveTo(-R, 0, -r, -(r - R), -r, -r);
 917                                 },
 918                                 d: function () {
 919                                     o.curveTo(-R, 0, -r, r - R, -r, r);
 920                                 }
 921                             };
 922                         },
 923                         r: function () {
 924                             return {
 925                                 u: function () {
 926                                     o.curveTo(R, 0, r, -(r - R), r, -r);
 927                                 },
 928                                 d: function () {
 929                                     o.curveTo(R, 0, r, r - R, r, r);
 930                                 }
 931                             };
 932                         },
 933                         u: function () {
 934                             return {
 935                                 r: function () {
 936                                     o.curveTo(0, -R, -(R - r), -r, r, -r);
 937                                 },
 938                                 l: function () {
 939                                     o.curveTo(0, -R, R - r, -r, -r, -r);
 940                                 }
 941                             };
 942                         },
 943                         d: function () {
 944                             return {
 945                                 r: function () {
 946                                     o.curveTo(0, R, -(R - r), r, r, r);
 947                                 },
 948                                 l: function () {
 949                                     o.curveTo(0, R, R - r, r, -r, r);
 950                                 }
 951                             };
 952                         }
 953                     };
 954                     actions[dir[0]]()[dir[1]]();
 955                     rollback();
 956                     return o;
 957                 };
 958                 p.andClose = function () {
 959                     var oldD = this[0].getAttribute("d") || "";
 960                     this[0].setAttribute("d", oldD + "Z ");
 961                     this.path.push({type: "end"});
 962                     return this;
 963                 };
 964                 if (typeof pathString == "string") {
 965                     pathString = pathString.replace(/([mzlhvcsqta])/ig, ",$1,").replace(/([^,])\-/ig, "$1,-");
 966                     path = pathString.split(",");
 967                     var i = 1, ii = path.length;
 968                     while (i < ii) {
 969                         switch (path[i]) {
 970                             case "M":
 971                                 p.absolutely().moveTo(path[++i], path[++i]);
 972                                 break;
 973                             case "m":
 974                                 p.relatively().moveTo(path[++i], path[++i]);
 975                                 break;
 976                             case "C":
 977                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 978                                 break;
 979                             case "c":
 980                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i], path[++i], path[++i]);
 981                                 break;
 982                             case "s":
 983                                 p.relatively().curveTo(path[++i], path[++i], path[++i], path[++i]);
 984                                 break;
 985                             case "S":
 986                                 p.absolutely().curveTo(path[++i], path[++i], path[++i], path[++i]);
 987                                 break;
 988                             case "L":
 989                                 p.absolutely().lineTo(path[++i], path[++i]);
 990                                 break;
 991                             case "l":
 992                                 p.relatively().lineTo(path[++i], path[++i]);
 993                                 break;
 994                             case "H":
 995                                 p.absolutely().lineTo(path[++i], 0);
 996                                 break;
 997                             case "h":
 998                                 p.relatively().lineTo(path[++i], 0);
 999                                 break;
1000                             case "V":
1001                                 p.absolutely().lineTo(0, path[++i]);
1002                                 break;
1003                             case "v":
1004                                 p.relatively().lineTo(0, path[++i]);
1005                                 break;
1006                             case "z":
1007                                 p.andClose();
1008                                 break;
1009                         }
1010                         i++;
1011                     }
1012                 }
1013                 return p;
1014             };
1015             var addGrdientFill = function (o, gradient, SVG) {
1016                 var el = document.createElementNS(SVG.svgns, gradient.type + "Gradient");
1017                 el.id = "raphael-gradient-" + SVG.gradients++;
1018                 if (gradient.vector && gradient.vector.length) {
1019                     el.setAttribute("x1", gradient.vector[0]);
1020                     el.setAttribute("y1", gradient.vector[1]);
1021                     el.setAttribute("x2", gradient.vector[2]);
1022                     el.setAttribute("y2", gradient.vector[3]);
1023                 }
1024                 SVG.defs.appendChild(el);
1025                 for (var i = 0, ii = gradient.dots.length; i < ii; i++) {
1026                     var stop = document.createElementNS(SVG.svgns, "stop");
1027                     stop.setAttribute("offset", gradient.dots[i].offset ? gradient.dots[i].offset : (i == 0) ? "0%" : "100%");
1028                     stop.setAttribute("stop-color", gradient.dots[i].color || "#fff");
1029                     if (typeof gradient.dots[i].opacity != "undefined") {
1030                         stop.setAttribute("stop-opacity", gradient.dots[i].opacity);
1031                     }
1032                     el.appendChild(stop);
1033                 };
1034                 o.setAttribute("fill", "url(#" + el.id + ")");
1035             };
1036             var Element = function (node, svg) {
1037                 var X = 0,
1038                     Y = 0,
1039                     Rotation = {deg: 0, x: 0, y: 0},
1040                     ScaleX = 1,
1041                     ScaleY = 1,
1042                     tMatrix = null;
1043                 this[0] = node;
1044                 this.attrs = this.attrs || {};
1045                 this.transformations = []; // rotate, translate, scale, matrix
1046                 this.hide = function () {
1047                     this[0].style.display = "none";
1048                     return this;
1049                 };
1050                 this.show = function () {
1051                     this[0].style.display = "block";
1052                     return this;
1053                 };
1054                 this.rotate = function (deg) {
1055                     var bbox = this.getBBox();
1056                     Rotation.deg += deg;
1057                     if (Rotation.deg) {
1058                         this.transformations[0] = ("rotate(" + Rotation.deg + " " + (bbox.x + bbox.width / 2) + " " + (bbox.y + bbox.height / 2) + ")");
1059                     } else {
1060                         this.transformations[0] = "";
1061                     }
1062                     this[0].setAttribute("transform", this.transformations.join(" "));
1063                     return this;
1064                 };
1065                 this.translate = function (x, y) {
1066                     X += x;
1067                     Y += y;
1068                     if (X && Y) {
1069                         this.transformations[1] = "translate(" + X + "," + Y + ")";
1070                     } else {
1071                         this.transformations[1] = "";
1072                     }
1073                     this[0].setAttribute("transform", this.transformations.join(" "));
1074                     return this;
1075                 };
1076                 this.scale = function (x, y) {
1077                     y = y || x;
1078                     if (x != 0 && !(x == 1 && y == 1)) {
1079                         ScaleX *= x;
1080                         ScaleY *= y;
1081                         if (!(ScaleX == 1 && ScaleY == 1)) {
1082                             var bbox = this.getBBox(),
1083                                 dx = bbox.x * (1 - ScaleX) + (bbox.width / 2 - bbox.width * ScaleX / 2),
1084                                 dy = bbox.y * (1 - ScaleY) + (bbox.height / 2 - bbox.height * ScaleY / 2);
1085                             this.transformations[2] = new Matrix(ScaleX, 0, 0, ScaleY, dx, dy);
1086                         } else {
1087                             this.transformations[2] = "";
1088                         }
1089                         this[0].setAttribute("transform", this.transformations.join(" "));
1090                     }
1091                     return this;
1092                 };
1093                 // depricated
1094                 this.matrix = function (xx, xy, yx, yy, dx, dy) {
1095                     this.transformations[3] = new Matrix(xx, xy, yx, yy, dx, dy);
1096                     this[0].setAttribute("transform", this.transformations.join(" "));
1097                     return this;
1098                 };
1099                 this.remove = function () {
1100                     this[0].parentNode.removeChild(this[0]);
1101                 };
1102                 this.getBBox = function () {
1103                     return this[0].getBBox();
1104                 };
1105                 this.attr = function () {
1106                     if (arguments.length == 1 && typeof arguments[0] == "string") {
1107                         return this[0].getAttribute(arguments[0]);
1108                     }
1109                     if (arguments.length == 1 && arguments[0] instanceof Array) {
1110                         var values = {};
1111                         for (var j in arguments[0]) {
1112                             values[arguments[0][j]] = this.attrs[arguments[0][j]];
1113                         }
1114                         return values;
1115                     }
1116                     if (arguments.length == 2) {
1117                         var att = arguments[0],
1118                             value = arguments[1];
1119                         this[att] = value;
1120                         this.attrs[att] = value;
1121                         switch (att) {
1122                             case "rx":
1123                             case "cx":
1124                             case "x":
1125                                 this[0].setAttribute(att, svg._getX(value));
1126                                 break;
1127                             case "ry":
1128                             case "cy":
1129                             case "y":
1130                                 this[0].setAttribute(att, svg._getY(value));
1131                                 break;
1132                             case "width":
1133                                 this[0].setAttribute(att, svg._getW(value));
1134                                 break;
1135                             case "height":
1136                                 this[0].setAttribute(att, svg._getH(value));
1137                                 break;
1138                             case "gradient":
1139                                 addGrdientFill(this[0], params.gradient, svg);
1140                                 break;
1141                             case "stroke-dasharray":
1142                                 this[0].setAttribute(att, value.replace(" ", ","));
1143                                 break;
1144                             case "text":
1145                                 if (this.type == "text") {
1146                                     this[0].removeChild(this[0].firstChild);
1147                                     this[0].appendChild(document.createTextNode(value));
1148                                 }
1149                                 break;
1150                             default :
1151                                 var cssrule = att.replace(/(\-.)/g, function (w) {
1152                                     return w.substring(1).toUpperCase();
1153                                 });
1154                                 this[0].style[cssrule] = value;
1155                                 // Need following line for Firefox
1156                                 this[0].setAttribute(att, value);
1157                                 break;
1158                         }
1159                     } else if (arguments.length == 1 && typeof arguments[0] == "object") {
1160                         var params = arguments[0];
1161                         for (var attr in params) {
1162                             this.attrs[attr] = params[attr];
1163                             if (attr == "stroke-dasharray") {
1164                                 this[0].setAttribute(attr, params[attr].replace(" ", ","));
1165                             } else if (attr == "text" && this.type == "text") {
1166                                 this[0].removeChild(this[0].firstChild);
1167                                 this[0].appendChild(document.createTextNode(params[attr]));
1168                             } else {
1169                                 var cssrule = attr.replace(/(\-.)/g, function (w) {
1170                                     return w.substring(1).toUpperCase();
1171                                 });
1172                                 this[0].style[cssrule] = params[attr];
1173                                 // Need following line for Firefox
1174                                 this[0].setAttribute(attr, params[attr]);
1175                             }
1176                         }
1177                         if (params.gradient) {
1178                             this[0].attrs.gradient = params.gradient;
1179                             addGrdientFill(this[0], params.gradient, svg);
1180                         }
1181                     }
1182                     return this;
1183                 };
1184                 this.toFront = function () {
1185                     this[0].parentNode.appendChild(this[0]);
1186                     return this;
1187                 };
1188                 this.toBack = function () {
1189                     if (this[0].parentNode.firstChild != this[0]) {
1190                         this[0].parentNode.insertBefore(this[0], this[0].parentNode.firstChild);
1191                     }
1192                     return this;
1193                 };
1194                 // this.animateTo = function (x, y, ms, callback) {
1195                 //     if ("cx" in node.attrs || "x" in node.attrs) {
1196                 //         var X = node.attrs.cx || node.attrs.x;
1197                 //         var Y = node.attrs.cy || node.attrs.y;
1198                 //         var dy = y - Y;
1199                 //         var dx = x - X;
1200                 //         var coeff = dy / dx;
1201                 //         var plus = Y - coeff * X;
1202                 //         var alpha = Math.atan(this.coeff);
1203                 //         this.xs = this.step * Math.cos(alpha);
1204                 //         if (x < X) {
1205                 //             this.xs = -this.xs;
1206                 //         }
1207                 //  }
1208                 // };
1209             };
1210             var theCircle = function (svg, x, y, r) {
1211                 var el = document.createElementNS(svg.svgns, "circle");
1212                 el.setAttribute("cx", svg._getX(x));
1213                 el.setAttribute("cy", svg._getY(y));
1214                 el.setAttribute("r", r);
1215                 el.setAttribute("fill", "none");
1216                 el.setAttribute("stroke", "#000");
1217                 el.attrs = el.attrs || {};
1218                 el.attrs.cx = x;
1219                 el.attrs.cy = y;
1220                 el.attrs.r = r;
1221                 el.attrs.stroke = "#000";
1222                 if (svg.canvas) {
1223                     svg.canvas.appendChild(el);
1224                 }
1225                 var res = new Element(el, svg);
1226                 res.type = "circle";
1227                 return res;
1228             };
1229             var theRect = function (svg, x, y, w, h, r) {
1230                 var el = document.createElementNS(svg.svgns, "rect");
1231                 el.setAttribute("x", svg._getX(x));
1232                 el.setAttribute("y", svg._getY(y));
1233                 el.setAttribute("width", svg._getW(w));
1234                 el.setAttribute("height", svg._getH(h));
1235                 el.attrs = el.attrs || {};
1236                 el.attrs.x = x;
1237                 el.attrs.y = y;
1238                 el.attrs.width = w;
1239                 el.attrs.height = h;
1240                 if (r) {
1241                     el.setAttribute("rx", r);
1242                     el.setAttribute("ry", r);
1243                     el.attrs.rx = el.attrs.ry = r;
1244                 }
1245                 el.setAttribute("fill", "none");
1246                 el.setAttribute("stroke", "#000");
1247                 el.attrs.stroke = "#000";
1248                 if (svg.canvas) {
1249                     svg.canvas.appendChild(el);
1250                 }
1251                 var res = new Element(el, svg);
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                 el.attrs = el.attrs || {};
1264                 el.attrs.cx = x;
1265                 el.attrs.cy = y;
1266                 el.attrs.rx = rx;
1267                 el.attrs.ry = ry;
1268                 el.attrs.stroke = "#000";
1269                 if (svg.canvas) {
1270                     svg.canvas.appendChild(el);
1271                 }
1272                 var res = new Element(el, svg);
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.type = "image";
1288                 return res;
1289             };
1290             var theText = function (svg, x, y, text) {
1291                 var el = document.createElementNS(svg.svgns, "text");
1292                 el.setAttribute("x", x);
1293                 el.setAttribute("y", y);
1294                 el.setAttribute("text-anchor", "middle");
1295                 el.setAttribute("fill", "#000");
1296                 el.attrs = el.attrs || {};
1297                 el.attrs.x = x;
1298                 el.attrs.y = y;
1299                 el.attrs.fill = "#000";
1300                 if (text) {
1301                     el.appendChild(document.createTextNode(text));
1302                 }
1303                 if (svg.canvas) {
1304                     svg.canvas.appendChild(el);
1305                 }
1306                 var res = new Element(el, svg);
1307                 res.type = "text";
1308                 return res;
1309             };
1310             var theGroup = function (svg) {
1311                 var el = document.createElementNS(svg.svgns, "g");
1312                 if (svg.canvas) {
1313                     svg.canvas.appendChild(el);
1314                 }
1315                 var i = new Element(el, svg);
1316                 for (var f in svg) {
1317                     if (f[0] != "_" && typeof svg[f] == "function") {
1318                         i[f] = (function (f) {
1319                             return function () {
1320                                 var e = svg[f].apply(svg, arguments);
1321                                 el.appendChild(e[0]);
1322                                 return e;
1323                             };
1324                         })(f);
1325                     }
1326                 }
1327                 i.type = "group";
1328                 return i;
1329             };
1330             r._create = function () {
1331                 // container, width, height
1332                 // x, y, width, height
1333                 if (typeof arguments[0] == "string") {
1334                     var container = document.getElementById(arguments[0]);
1335                     var width = arguments[1];
1336                     var height = arguments[2];
1337                 }
1338                 if (typeof arguments[0] == "object") {
1339                     var container = arguments[0];
1340                     var width = arguments[1];
1341                     var height = arguments[2];
1342                 }
1343                 if (typeof arguments[0] == "number") {
1344                     var container = 1,
1345                         x = arguments[0],
1346                         y = arguments[1],
1347                         width = arguments[2],
1348                         height = arguments[3];
1349                 }
1350                 if (!container) {
1351                     throw new Error("SVG container not found.");
1352                 }
1353                 C.canvas = document.createElementNS(C.svgns, "svg");
1354                 C.canvas.setAttribute("width", width || 320);
1355                 C.width = width || 320;
1356                 C.canvas.setAttribute("height", height || 200);
1357                 C.height = height || 200;
1358                 if (container == 1) {
1359                     document.body.appendChild(C.canvas);
1360                     C.canvas.style.position = "absolute";
1361                     C.canvas.style.left = x + "px";
1362                     C.canvas.style.top = y + "px";
1363                 } else {
1364                     if (container.firstChild) {
1365                         container.insertBefore(C.canvas, container.firstChild);
1366                     } else {
1367                         container.appendChild(C.canvas);
1368                     }
1369                 }
1370                 container = {
1371                     canvas: C.canvas,
1372                     clear: function () {
1373                         while (this.canvas.firstChild) {
1374                             this.canvas.removeChild(this.canvas.firstChild);
1375                         }
1376                         this.defs = document.createElementNS(C.svgns, "defs");
1377                         this.gradients = 0;
1378                         this.canvas.appendChild(this.defs);
1379                     }
1380                 };
1381                 for (var prop in C) {
1382                     if (prop != "create") {
1383                         container[prop] = C[prop];
1384                     }
1385                 }
1386                 container.clear();
1387                 return container;
1388             };
1389             C.svgns = "http://www.w3.org/2000/svg";
1390             C.xlink = "http://www.w3.org/1999/xlink";
1391         }
1392         if (type == "VML" || type == "SVG") {
1393             C.circle = function (x, y, r) {
1394                 return theCircle(this, x, y, r);
1395             };
1396             C.rect = function (x, y, w, h, r) {
1397                 return theRect(this, x, y, w, h, r);
1398             };
1399             C.ellipse = function (x, y, rx, ry) {
1400                 return theEllipse(this, x, y, rx, ry);
1401             };
1402             C.path = function (params, pathString) {
1403                 return thePath(params, pathString, this);
1404             };
1405             C.image = function (src, x, y, w, h) {
1406                 return theImage(this, src, x, y, w, h);
1407             };
1408             C.text = function (x, y, text) {
1409                 return theText(this, x, y, text);
1410             };
1411             C.group = function () {
1412                 return theGroup(this);
1413             };
1414             C.linerect = function (x, y, w, h, r) {
1415                 if (r && parseInt(r, 10)) {
1416                     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();
1417                 }
1418                 return this.path({stroke: "#000"}).moveTo(x, y).lineTo(x + w, y).lineTo(x + w, y + h).lineTo(x, y + h).andClose();
1419             };
1420             C.drawGrid = function (x, y, w, h, wv, hv, color) {
1421                 color = color || "#000";
1422                 var p = this.path({stroke: color, "stroke-width": 1})
1423                         .moveTo(x, y).lineTo(x + w, y).lineTo(x + w, y + h).lineTo(x, y + h).lineTo(x, y);
1424                 for (var i = 1; i < hv; i++) {
1425                     p.moveTo(x, y + i * Math.round(h / hv)).lineTo(x + w, y + i * Math.round(h / hv));
1426                 }
1427                 for (var i = 1; i < wv; i++) {
1428                     p.moveTo(x + i * Math.round(w / wv), y).lineTo(x + i * Math.round(w / wv), y + h);
1429                 }
1430                 return p;
1431             };
1432             C.setGrid = function (xmin, ymin, xmax, ymax, w, h) {
1433                 var xc = (xmax - xmin) / w;
1434                 var yc = (ymax - ymin) / h;
1435                 this._getX = function (x) {
1436                     return xmin + x * xc;
1437                 };
1438                 this._getY = function (y) {
1439                     return ymin + y * yc;
1440                 };
1441                 this._getW = function (w) {
1442                     return w * xc;
1443                 };
1444                 this._getH = function (h) {
1445                     return h * yc;
1446                 };
1447             };
1448             C.clearGrid = function () {
1449                 this._getX = this._getY = this._getW = this._getH = function (x) { return x; };
1450             };
1451             C.safari = function () {
1452                 if (r.type == "SVG") {
1453                     var rect = C.rect(-C.width, -C.height, C.width * 3, C.height * 3).attr({stroke: "none"});
1454                     setTimeout(function () {rect.remove();}, 0);
1455                 }
1456             };
1457
1458             return r;
1459         } else {
1460             return function () {};
1461         }
1462     })((!(window.SVGPreserveAspectRatio && window.SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMINYMIN == 2)) ? "VML" : "SVG");
1463
1464
1465 Raphael.vml = !(Raphael.svg = (Raphael.type == "SVG"));
1466 if (Raphael.vml && window.CanvasRenderingContext2D) {
1467     Raphael.type = "Canvas only";
1468     Raphael.vml = Raphael.svg = false;
1469 }
1470 Raphael.toString = function () {
1471     return "Your browser supports " + this.type;
1472 };
1473 // generic utilities
1474 Raphael.hsb2rgb = function (hue, saturation, brightness) {
1475     if (typeof hue == "object" && "h" in hue && "s" in hue && "b" in hue) {
1476         brightness = hue.b;
1477         saturation = hue.s;
1478         hue = hue.h;
1479     }
1480     var red,
1481         green,
1482         blue;
1483     if (brightness == 0) {
1484         return {r: 0, g: 0, b: 0, hex: "#000"};
1485     } else {
1486         var i = Math.floor(hue * 6),
1487             f = (hue * 6) - i,
1488             p = brightness * (1 - saturation),
1489             q = brightness * (1 - (saturation * f)),
1490             t = brightness * (1 - (saturation * (1 - f)));
1491         [
1492             function () {red = brightness; green = t; blue = p;},
1493             function () {red = q; green = brightness; blue = p;},
1494             function () {red = p; green = brightness; blue = t;},
1495             function () {red = p; green = q; blue = brightness;},
1496             function () {red = t; green = p; blue = brightness;},
1497             function () {red = brightness; green = p; blue = q;},
1498             function () {red = brightness; green = t; blue = p;},
1499         ][i]();
1500     }
1501     var rgb = {r: red, g: green, b: blue};
1502     red *= 255;
1503     green *= 255;
1504     blue *= 255;
1505     var r = Math.round(red).toString(16);
1506     if (r.length == 1) {
1507         r = "0" + r;
1508     }
1509     var g = Math.round(green).toString(16);
1510     if (g.length == 1) {
1511         g = "0" + g;
1512     }
1513     var b = Math.round(blue).toString(16);
1514     if (b.length == 1) {
1515         b = "0" + b;
1516     }
1517     rgb.hex = "#" + r + g + b;
1518     return rgb;
1519 };
1520 Raphael.rgb2hsb = function (red, green, blue) {
1521     if (typeof red == "object" && "r" in red && "h" in red && "b" in red) {
1522         blue = red.b;
1523         green = red.g;
1524         red = red.r;
1525     }
1526     if (red.charAt(0) == "#") {
1527         if (red.length == 4) {
1528             blue = parseInt(red.substring(3), 16);
1529             green = parseInt(red.substring(2, 3), 16);
1530             red = parseInt(red.substring(1, 2), 16);
1531         } else {
1532             blue = parseInt(red.substring(5), 16);
1533             green = parseInt(red.substring(3, 5), 16);
1534             red = parseInt(red.substring(1, 3), 16);
1535         }
1536     }
1537     if (red > 1 || green > 1 || blue > 1) {
1538         red /= 255;
1539         green /= 255;
1540         blue /= 255;
1541     }
1542     var max = Math.max(red, green, blue),
1543         min = Math.min(red, green, blue),
1544         hue,
1545         saturation,
1546         brightness = max;
1547     if (min == max) {
1548         return {h: 0, s: 0, b: max};
1549     } else {
1550         var delta = (max - min);
1551         saturation = delta / max;
1552         if (red == max) {
1553             hue = (green - blue) / delta;
1554         } else if (green == max) {
1555             hue = 2 + ((blue - red) / delta);
1556         } else {
1557             hue = 4 + ((red - green) / delta);
1558         }
1559         hue /= 6;
1560         if (hue < 0) {
1561             hue += 1;
1562         }
1563         if (hue > 1) {
1564             hue -= 1;
1565         }
1566     }
1567     return {h: hue, s: saturation, b: brightness};
1568 };
1569 Raphael.getColor = function (value) {
1570     var start = arguments.callee.start = arguments.callee.start || {h: 0, s: 1, b: value || .75};
1571     var rgb = this.hsb2rgb(start.h, start.s, start.b);
1572     start.h += .1;
1573     if (start.h > 1) {
1574         start.h = 0;
1575         start.s -= .2;
1576         if (start.s <= 0) {
1577             start = {h: 0, s: 1, b: start.b};
1578         }
1579     }
1580     return rgb.hex;
1581 };
1582 Raphael.getColor.reset = function () {
1583     this.start = undefined;
1584 };