1 // ┌─────────────────────────────────────────────────────────────────────┐ \\
2 // │ "Raphaël 2.0.1" - JavaScript Vector Library │ \\
3 // ├─────────────────────────────────────────────────────────────────────┤ \\
4 // │ Copyright (c) 2008-2011 Dmitry Baranovskiy (http://raphaeljs.com) │ \\
5 // │ Copyright (c) 2008-2011 Sencha Labs (http://sencha.com) │ \\
6 // │ Licensed under the MIT (http://raphaeljs.com/license.html) license. │ \\
7 // └─────────────────────────────────────────────────────────────────────┘ \\
13 * Creates a canvas object on which to draw.
14 * You must do this first, as all future calls to drawing methods
15 * from this instance will be bound to this canvas.
18 - container (HTMLElement|string) DOM element or its ID which is going to be a parent for drawing surface
21 - callback (function) #optional callback function which is going to be executed in the context of newly created paper
27 - callback (function) #optional callback function which is going to be executed in the context of newly created paper
29 - all (array) (first 3 or 4 elements in the array are equal to [containerID, width, height] or [x, y, width, height]. The rest are element descriptions in format {type: type, <attributes>}). See @Paper.add.
30 - callback (function) #optional callback function which is going to be executed in the context of newly created paper
32 - onReadyCallback (function) function that is going to be called on DOM ready event. You can also subscribe to this event via Eve’s “DOMLoad” event. In this case method returns `undefined`.
35 | // Each of the following examples create a canvas
36 | // that is 320px wide by 200px high.
37 | // Canvas is created at the viewport’s 10,50 coordinate.
38 | var paper = Raphael(10, 50, 320, 200);
39 | // Canvas is created at the top left corner of the #notepad element
40 | // (or its top right corner in dir="rtl" elements)
41 | var paper = Raphael(document.getElementById("notepad"), 320, 200);
43 | var paper = Raphael("notepad", 320, 200);
45 | var set = Raphael(["notepad", 320, 200, {
60 if (R.is(first, "function")) {
61 return loaded ? first() : eve.on("DOMload", first);
62 } else if (R.is(first, array)) {
63 return R._engine.create[apply](R, first.splice(0, 3 + R.is(first[0], nu))).add(first);
65 var args = Array.prototype.slice.call(arguments, 0);
66 if (R.is(args[args.length - 1], "function")) {
68 return loaded ? f.call(R._engine.create[apply](R, args)) : eve.on("DOMload", function () {
69 f.call(R._engine.create[apply](R, args));
72 return R._engine.create[apply](R, arguments);
80 elements = {circle: 1, rect: 1, path: 1, ellipse: 1, text: 1, image: 1},
81 formatrg = /\{(\d+)\}/g,
83 has = "hasOwnProperty",
89 was: Object.prototype[has].call(g.win, "Raphael"),
97 * Shortcut for @Paper.customAttributes
100 * Paper.customAttributes
101 [ property (object) ]
103 * If you have a set of attributes that you would like to represent
104 * as a function of some number you can do it easily with custom attributes:
106 | paper.customAttributes.hue = function (num) {
108 | return {fill: "hsb(" + num + ", 0.75, 1)"};
110 | // Custom attribute “hue” will change fill
111 | // to be given hue with fixed saturation and brightness.
112 | // Now you can use it like this:
113 | var c = paper.circle(10, 10, 10).attr({hue: .45});
114 | // or even like this:
115 | c.animate({hue: 1}, 1e3);
117 | // You could also create custom attribute
118 | // with multiple parameters:
119 | paper.customAttributes.hsb = function (h, s, b) {
120 | return {fill: "hsb(" + [h, s, b].join(",") + ")"};
122 | c.attr({hsb: "0.5 .8 1"});
123 | c.animate({hsb: [1, 0, 0.5]}, 1e3);
125 this.ca = this.customAttributes = {};
128 appendChild = "appendChild",
131 supportsTouch = "createTouch" in g.doc,
136 events = "click dblclick mousedown mousemove mouseout mouseover mouseup touchstart touchmove touchend touchcancel"[split](S),
138 mousedown: "touchstart",
139 mousemove: "touchmove",
142 lowerCase = Str.prototype.toLowerCase,
152 toString = "toString",
154 objectToString = Object.prototype.toString,
157 ISURL = R._ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i,
158 colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+%?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+%?(?:\s*,\s*[\d\.]+%?)?)\s*\)|hsba?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\)|hsla?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?)%?\s*\))\s*$/i,
159 isnan = {"NaN": 1, "Infinity": 1, "-Infinity": 1},
160 bezierrg = /^(?:cubic-)?bezier\(([^,]+),([^,]+),([^,]+),([^\)]+)\)/,
162 setAttribute = "setAttribute",
163 toFloat = parseFloat,
165 upperCase = Str.prototype.toUpperCase,
166 availableAttrs = R._availableAttrs = {
168 "arrow-start": "none",
170 "clip-rect": "0 0 1e9 1e9",
176 font: '10px "Arial"',
177 "font-family": '"Arial"',
179 "font-style": "normal",
183 href: "http://raphaeljs.com/",
192 "stroke-dasharray": "",
193 "stroke-linecap": "butt",
194 "stroke-linejoin": "butt",
195 "stroke-miterlimit": 0,
199 "text-anchor": "middle",
206 availableAnimAttrs = R._availableAnimAttrs = {
221 "stroke-opacity": nu,
223 transform: "transform",
228 commaSpaces = /\s*,\s*/,
229 hsrg = {hs: 1, rg: 1},
230 p2s = /,?([achlmqrstvxz]),?/gi,
231 pathCommand = /([achlmrqstvz])[\s,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?\s*,?\s*)+)/ig,
232 tCommand = /([rstm])[\s,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?\s*,?\s*)+)/ig,
233 pathValues = /(-?\d*\.?\d*(?:e[\-+]?\d+)?)\s*,?\s*/ig,
234 radial_gradient = R._radial_gradient = /^r(?:\(([^,]+?)\s*,\s*([^\)]+?)\))?/,
236 sortByKey = function (a, b) {
237 return a.key - b.key;
239 sortByNumber = function (a, b) {
240 return toFloat(a) - toFloat(b);
242 fun = function () {},
243 pipe = function (x) {
246 rectPath = R._rectPath = function (x, y, w, h, r) {
248 return [["M", x + r, y], ["l", w - r * 2, 0], ["a", r, r, 0, 0, 1, r, r], ["l", 0, h - r * 2], ["a", r, r, 0, 0, 1, -r, r], ["l", r * 2 - w, 0], ["a", r, r, 0, 0, 1, -r, -r], ["l", 0, r * 2 - h], ["a", r, r, 0, 0, 1, r, -r], ["z"]];
250 return [["M", x, y], ["l", w, 0], ["l", 0, h], ["l", -w, 0], ["z"]];
252 ellipsePath = function (x, y, rx, ry) {
256 return [["M", x, y], ["m", 0, -ry], ["a", rx, ry, 0, 1, 1, 0, 2 * ry], ["a", rx, ry, 0, 1, 1, 0, -2 * ry], ["z"]];
258 getPath = R._getPath = {
259 path: function (el) {
260 return el.attr("path");
262 circle: function (el) {
264 return ellipsePath(a.cx, a.cy, a.r);
266 ellipse: function (el) {
268 return ellipsePath(a.cx, a.cy, a.rx, a.ry);
270 rect: function (el) {
272 return rectPath(a.x, a.y, a.width, a.height, a.r);
274 image: function (el) {
276 return rectPath(a.x, a.y, a.width, a.height);
278 text: function (el) {
279 var bbox = el._getBBox();
280 return rectPath(bbox.x, bbox.y, bbox.width, bbox.height);
283 mapPath = R.mapPath = function (path, matrix) {
287 var x, y, i, j, ii, jj, pathi;
288 path = path2curve(path);
289 for (i = 0, ii = path.length; i < ii; i++) {
291 for (j = 1, jj = pathi.length; j < jj; j += 2) {
292 x = matrix.x(pathi[j], pathi[j + 1]);
293 y = matrix.y(pathi[j], pathi[j + 1]);
304 [ property (string) ]
306 * Can be “SVG”, “VML” or empty, depending on browser support.
308 R.type = (g.win.SVGAngle || g.doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1") ? "SVG" : "VML");
309 if (R.type == "VML") {
310 var d = g.doc.createElement("div"),
312 d.innerHTML = '<v:shape adj="1"/>';
314 b.style.behavior = "url(#default#VML)";
315 if (!(b && typeof b.adj == "object")) {
322 [ property (boolean) ]
324 * `true` if browser supports SVG.
328 [ property (boolean) ]
330 * `true` if browser supports VML.
332 R.svg = !(R.vml = R.type == "VML");
336 [ property (object) ]
338 * You can add your own method to the canvas. For example if you want to draw a pie chart,
339 * you can create your own pie chart function and ship it as a Raphaël plugin. To do this
340 * you need to extend the `Raphael.fn` object. Please note that you can create your own namespaces
341 * inside the `fn` object — methods will be run in the context of canvas anyway. You should alter
342 * the `fn` object before a Raphaël instance is created, otherwise it will take no effect.
344 | Raphael.fn.arrow = function (x1, y1, x2, y2, size) {
345 | return this.path( ... );
347 | // or create namespace
348 | Raphael.fn.mystuff = {
349 | arrow: function () {…},
350 | star: function () {…},
353 | var paper = Raphael(10, 10, 630, 480);
355 | paper.arrow(10, 10, 30, 30, 5).attr({fill: "#f00"});
356 | paper.mystuff.arrow();
357 | paper.mystuff.star();
359 R.fn = paperproto = Paper.prototype = R.prototype;
366 * Handfull replacement for `typeof` operator.
368 - o (…) any object or primitive
369 - type (string) name of the type, i.e. “string”, “function”, “number”, etc.
370 = (boolean) is given value is of given type
372 R.is = function (o, type) {
373 type = lowerCase.call(type);
374 if (type == "finite") {
375 return !isnan[has](+o);
377 if (type == "array") {
378 return o instanceof Array;
380 return (type == "null" && o === null) ||
381 (type == typeof o && o !== null) ||
382 (type == "object" && o === Object(o)) ||
383 (type == "array" && Array.isArray && Array.isArray(o)) ||
384 objectToString.call(o).slice(8, -1).toLowerCase() == type;
390 * Returns angle between two or three points
392 - x1 (number) x coord of first point
393 - y1 (number) y coord of first point
394 - x2 (number) x coord of second point
395 - y2 (number) y coord of second point
396 - x3 (number) #optional x coord of third point
397 - y3 (number) #optional y coord of third point
398 = (number) angle in degrees.
400 R.angle = function (x1, y1, x2, y2, x3, y3) {
407 return (180 + math.atan2(-y, -x) * 180 / PI + 360) % 360;
409 return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
416 * Transform angle to radians
418 - deg (number) angle in degrees
419 = (number) angle in radians.
421 R.rad = function (deg) {
422 return deg % 360 * PI / 180;
428 * Transform angle to degrees
430 - deg (number) angle in radians
431 = (number) angle in degrees.
433 R.deg = function (rad) {
434 return rad * 180 / PI % 360;
440 * Snaps given value to given grid.
442 - values (array|number) given array of values or step of the grid
443 - value (number) value to adjust
444 - tolerance (number) #optional tolerance for snapping. Default is `10`.
445 = (number) adjusted value.
447 R.snapTo = function (values, value, tolerance) {
448 tolerance = R.is(tolerance, "finite") ? tolerance : 10;
449 if (R.is(values, array)) {
450 var i = values.length;
451 while (i--) if (abs(values[i] - value) <= tolerance) {
456 var rem = value % values;
457 if (rem < tolerance) {
460 if (rem > values - tolerance) {
461 return value - rem + values;
471 * Returns RFC4122, version 4 ID
473 var createUUID = R.createUUID = (function (uuidRegEx, uuidReplacer) {
475 return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(uuidRegEx, uuidReplacer).toUpperCase();
477 })(/[xy]/g, function (c) {
478 var r = math.random() * 16 | 0,
479 v = c == "x" ? r : (r & 3 | 8);
480 return v.toString(16);
487 * Used when you need to draw in `<iframe>`. Switched window to the iframe one.
489 - newwin (window) new window object
491 R.setWindow = function (newwin) {
492 eve("setWindow", R, g.win, newwin);
494 g.doc = g.win.document;
495 if (R._engine.initWin) {
496 R._engine.initWin(g.win);
499 var toHex = function (color) {
501 // http://dean.edwards.name/weblog/2009/10/convert-any-colour-value-to-hex-in-msie/
502 var trim = /^\s+|\s+$/g;
505 var docum = new ActiveXObject("htmlfile");
506 docum.write("<body>");
510 bod = createPopup().document.body;
512 var range = bod.createTextRange();
513 toHex = cacher(function (color) {
515 bod.style.color = Str(color).replace(trim, E);
516 var value = range.queryCommandValue("ForeColor");
517 value = ((value & 255) << 16) | (value & 65280) | ((value & 16711680) >>> 16);
518 return "#" + ("000000" + value.toString(16)).slice(-6);
524 var i = g.doc.createElement("i");
525 i.title = "Rapha\xebl Colour Picker";
526 i.style.display = "none";
527 g.doc.body.appendChild(i);
528 toHex = cacher(function (color) {
529 i.style.color = color;
530 return g.doc.defaultView.getComputedStyle(i, E).getPropertyValue("color");
535 hsbtoString = function () {
536 return "hsb(" + [this.h, this.s, this.b] + ")";
538 hsltoString = function () {
539 return "hsl(" + [this.h, this.s, this.l] + ")";
541 rgbtoString = function () {
544 prepareRGB = function (r, g, b) {
545 if (g == null && R.is(r, "object") && "r" in r && "g" in r && "b" in r) {
550 if (g == null && R.is(r, string)) {
551 var clr = R.getRGB(r);
556 if (r > 1 || g > 1 || b > 1) {
564 packageRGB = function (r, g, b, o) {
573 toString: rgbtoString
575 R.is(o, "finite") && (rgb.opacity = o);
583 * Parses the color string and returns object with all values for the given color.
585 - clr (string) color string in one of the supported formats (see @Raphael.getRGB)
586 = (object) Combined RGB & HSB object in format:
591 o hex (string) color in HTML/CSS format: #••••••,
592 o error (boolean) `true` if string can’t be parsed,
594 o s (number) saturation,
595 o v (number) value (brightness),
596 o l (number) lightness
599 R.color = function (clr) {
601 if (R.is(clr, "object") && "h" in clr && "s" in clr && "b" in clr) {
602 rgb = R.hsb2rgb(clr);
607 } else if (R.is(clr, "object") && "h" in clr && "s" in clr && "l" in clr) {
608 rgb = R.hsl2rgb(clr);
614 if (R.is(clr, "string")) {
617 if (R.is(clr, "object") && "r" in clr && "g" in clr && "b" in clr) {
618 rgb = R.rgb2hsl(clr);
622 rgb = R.rgb2hsb(clr);
626 clr.r = clr.g = clr.b = clr.h = clr.s = clr.v = clr.l = -1;
629 clr.toString = rgbtoString;
636 * Converts HSB values to RGB object.
639 - s (number) saturation
640 - v (number) value or brightness
641 = (object) RGB object in format:
646 o hex (string) color in HTML/CSS format: #••••••
649 R.hsb2rgb = function (h, s, v, o) {
650 if (this.is(h, "object") && "h" in h && "s" in h && "b" in h) {
660 X = C * (1 - abs(h % 2 - 1));
664 R += [C, X, 0, 0, X, C][h];
665 G += [X, C, C, X, 0, 0][h];
666 B += [0, 0, X, C, C, X][h];
667 return packageRGB(R, G, B, o);
673 * Converts HSL values to RGB object.
676 - s (number) saturation
677 - l (number) luminosity
678 = (object) RGB object in format:
683 o hex (string) color in HTML/CSS format: #••••••
686 R.hsl2rgb = function (h, s, l, o) {
687 if (this.is(h, "object") && "h" in h && "s" in h && "l" in h) {
692 if (h > 1 || s > 1 || l > 1) {
700 C = 2 * s * (l < .5 ? l : 1 - l);
701 X = C * (1 - abs(h % 2 - 1));
702 R = G = B = l - C / 2;
705 R += [C, X, 0, 0, X, C][h];
706 G += [X, C, C, X, 0, 0][h];
707 B += [0, 0, X, C, C, X][h];
708 return packageRGB(R, G, B, o);
714 * Converts RGB values to HSB object.
719 = (object) HSB object in format:
722 o s (number) saturation
723 o b (number) brightness
726 R.rgb2hsb = function (r, g, b) {
727 b = prepareRGB(r, g, b);
734 C = V - mmin(r, g, b);
736 V == r ? (g - b) / C :
737 V == g ? (b - r) / C + 2 :
740 H = ((H + 360) % 6) * 60 / 360;
741 S = C == 0 ? 0 : C / V;
742 return {h: H, s: S, b: V, toString: hsbtoString};
748 * Converts RGB values to HSL object.
753 = (object) HSL object in format:
756 o s (number) saturation
757 o l (number) luminosity
760 R.rgb2hsl = function (r, g, b) {
761 b = prepareRGB(r, g, b);
766 var H, S, L, M, m, C;
771 M == r ? (g - b) / C :
772 M == g ? (b - r) / C + 2 :
774 H = ((H + 360) % 6) * 60 / 360;
777 L < .5 ? C / (2 * L) :
779 return {h: H, s: S, l: L, toString: hsltoString};
781 R._path2string = function () {
782 return this.join(",").replace(p2s, "$1");
784 function repush(array, item) {
785 for (var i = 0, ii = array.length; i < ii; i++) if (array[i] === item) {
786 return array.push(array.splice(i, 1)[0]);
789 function cacher(f, scope, postprocessor) {
791 var arg = Array.prototype.slice.call(arguments, 0),
792 args = arg.join("\u2400"),
793 cache = newf.cache = newf.cache || {},
794 count = newf.count = newf.count || [];
795 if (cache[has](args)) {
797 return postprocessor ? postprocessor(cache[args]) : cache[args];
799 count.length >= 1e3 && delete cache[count.shift()];
801 cache[args] = f[apply](scope, arg);
802 return postprocessor ? postprocessor(cache[args]) : cache[args];
807 var preload = R._preload = function (src, f) {
808 var img = g.doc.createElement("img");
809 img.style.cssText = "position:absolute;left:-9999em;top:-9999em";
810 img.onload = function () {
813 g.doc.body.removeChild(this);
815 img.onerror = function () {
816 g.doc.body.removeChild(this);
818 g.doc.body.appendChild(img);
822 function clrToString() {
830 * Parses colour string as RGB object
832 - colour (string) colour string in one of formats:
834 # <li>Colour name (“<code>red</code>”, “<code>green</code>”, “<code>cornflowerblue</code>”, etc)</li>
835 # <li>#••• — shortened HTML colour: (“<code>#000</code>”, “<code>#fc0</code>”, etc)</li>
836 # <li>#•••••• — full length HTML colour: (“<code>#000000</code>”, “<code>#bd2300</code>”)</li>
837 # <li>rgb(•••, •••, •••) — red, green and blue channels’ values: (“<code>rgb(200, 100, 0)</code>”)</li>
838 # <li>rgb(•••%, •••%, •••%) — same as above, but in %: (“<code>rgb(100%, 175%, 0%)</code>”)</li>
839 # <li>hsb(•••, •••, •••) — hue, saturation and brightness values: (“<code>hsb(0.5, 0.25, 1)</code>”)</li>
840 # <li>hsb(•••%, •••%, •••%) — same as above, but in %</li>
841 # <li>hsl(•••, •••, •••) — same as hsb</li>
842 # <li>hsl(•••%, •••%, •••%) — same as hsb</li>
844 = (object) RGB object in format:
849 o hex (string) color in HTML/CSS format: #••••••,
850 o error (boolean) true if string can’t be parsed
853 R.getRGB = cacher(function (colour) {
854 if (!colour || !!((colour = Str(colour)).indexOf("-") + 1)) {
855 return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: clrToString};
857 if (colour == "none") {
858 return {r: -1, g: -1, b: -1, hex: "none", toString: clrToString};
860 !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour));
868 rgb = colour.match(colourRegExp);
871 blue = toInt(rgb[2].substring(5), 16);
872 green = toInt(rgb[2].substring(3, 5), 16);
873 red = toInt(rgb[2].substring(1, 3), 16);
876 blue = toInt((t = rgb[3].charAt(3)) + t, 16);
877 green = toInt((t = rgb[3].charAt(2)) + t, 16);
878 red = toInt((t = rgb[3].charAt(1)) + t, 16);
881 values = rgb[4][split](commaSpaces);
882 red = toFloat(values[0]);
883 values[0].slice(-1) == "%" && (red *= 2.55);
884 green = toFloat(values[1]);
885 values[1].slice(-1) == "%" && (green *= 2.55);
886 blue = toFloat(values[2]);
887 values[2].slice(-1) == "%" && (blue *= 2.55);
888 rgb[1].toLowerCase().slice(0, 4) == "rgba" && (opacity = toFloat(values[3]));
889 values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
892 values = rgb[5][split](commaSpaces);
893 red = toFloat(values[0]);
894 values[0].slice(-1) == "%" && (red *= 2.55);
895 green = toFloat(values[1]);
896 values[1].slice(-1) == "%" && (green *= 2.55);
897 blue = toFloat(values[2]);
898 values[2].slice(-1) == "%" && (blue *= 2.55);
899 (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
900 rgb[1].toLowerCase().slice(0, 4) == "hsba" && (opacity = toFloat(values[3]));
901 values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
902 return R.hsb2rgb(red, green, blue, opacity);
905 values = rgb[6][split](commaSpaces);
906 red = toFloat(values[0]);
907 values[0].slice(-1) == "%" && (red *= 2.55);
908 green = toFloat(values[1]);
909 values[1].slice(-1) == "%" && (green *= 2.55);
910 blue = toFloat(values[2]);
911 values[2].slice(-1) == "%" && (blue *= 2.55);
912 (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360);
913 rgb[1].toLowerCase().slice(0, 4) == "hsla" && (opacity = toFloat(values[3]));
914 values[3] && values[3].slice(-1) == "%" && (opacity /= 100);
915 return R.hsl2rgb(red, green, blue, opacity);
917 rgb = {r: red, g: green, b: blue, toString: clrToString};
918 rgb.hex = "#" + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1);
919 R.is(opacity, "finite") && (rgb.opacity = opacity);
922 return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: clrToString};
928 * Converts HSB values to hex representation of the colour.
931 - s (number) saturation
932 - b (number) value or brightness
933 = (string) hex representation of the colour.
935 R.hsb = cacher(function (h, s, b) {
936 return R.hsb2rgb(h, s, b).hex;
942 * Converts HSL values to hex representation of the colour.
945 - s (number) saturation
946 - l (number) luminosity
947 = (string) hex representation of the colour.
949 R.hsl = cacher(function (h, s, l) {
950 return R.hsl2rgb(h, s, l).hex;
956 * Converts RGB values to hex representation of the colour.
961 = (string) hex representation of the colour.
963 R.rgb = cacher(function (r, g, b) {
964 return "#" + (16777216 | b | (g << 8) | (r << 16)).toString(16).slice(1);
970 * On each call returns next colour in the spectrum. To reset it back to red call @Raphael.getColor.reset
972 - value (number) #optional brightness, default is `0.75`
973 = (string) hex representation of the colour.
975 R.getColor = function (value) {
976 var start = this.getColor.start = this.getColor.start || {h: 0, s: 1, b: value || .75},
977 rgb = this.hsb2rgb(start.h, start.s, start.b);
982 start.s <= 0 && (this.getColor.start = {h: 0, s: 1, b: start.b});
987 * Raphael.getColor.reset
990 * Resets spectrum position for @Raphael.getColor back to red.
992 R.getColor.reset = function () {
996 // http://schepers.cc/getting-to-the-point
997 function catmullRom2bezier(crp) {
999 for (var i = 0, iLen = crp.length; iLen - 2 > i; i += 2) {
1000 var p = [{x: +crp[i], y: +crp[i + 1]},
1001 {x: +crp[i], y: +crp[i + 1]},
1002 {x: +crp[i + 2], y: +crp[i + 3]},
1003 {x: +crp[i + 4], y: +crp[i + 5]}];
1004 if (iLen - 4 == i) {
1005 p[0] = {x: +crp[i - 2], y: +crp[i - 1]};
1008 p[0] = {x: +crp[i - 2], y: +crp[i - 1]};
1011 (-p[0].x + 6 * p[1].x + p[2].x) / 6,
1012 (-p[0].y + 6 * p[1].y + p[2].y) / 6,
1013 (p[1].x + 6 * p[2].x - p[3].x) / 6,
1014 (p[1].y + 6*p[2].y - p[3].y) / 6,
1023 * Raphael.parsePathString
1028 * Parses given path string into an array of arrays of path segments.
1030 - pathString (string|array) path string or array of segments (in the last case it will be returned straight away)
1031 = (array) array of segments.
1033 R.parsePathString = cacher(function (pathString) {
1037 var paramCounts = {a: 7, c: 6, h: 1, l: 2, m: 2, r: 4, q: 4, s: 4, t: 2, v: 1, z: 0},
1039 if (R.is(pathString, array) && R.is(pathString[0], array)) { // rough assumption
1040 data = pathClone(pathString);
1043 Str(pathString).replace(pathCommand, function (a, b, c) {
1045 name = b.toLowerCase();
1046 c.replace(pathValues, function (a, b) {
1047 b && params.push(+b);
1049 if (name == "m" && params.length > 2) {
1050 data.push([b][concat](params.splice(0, 2)));
1052 b = b == "m" ? "l" : "L";
1055 data.push([b][concat](params));
1056 } else while (params.length >= paramCounts[name]) {
1057 data.push([b][concat](params.splice(0, paramCounts[name])));
1058 if (!paramCounts[name]) {
1064 data.toString = R._path2string;
1068 * Raphael.parseTransformString
1073 * Parses given path string into an array of transformations.
1075 - TString (string|array) transform string or array of transformations (in the last case it will be returned straight away)
1076 = (array) array of transformations.
1078 R.parseTransformString = cacher(function (TString) {
1082 var paramCounts = {r: 3, s: 4, t: 2, m: 6},
1084 if (R.is(TString, array) && R.is(TString[0], array)) { // rough assumption
1085 data = pathClone(TString);
1088 Str(TString).replace(tCommand, function (a, b, c) {
1090 name = lowerCase.call(b);
1091 c.replace(pathValues, function (a, b) {
1092 b && params.push(+b);
1094 data.push([b][concat](params));
1097 data.toString = R._path2string;
1101 * Raphael.findDotsAtSegment
1106 * Find dot coordinates on the given cubic bezier curve at the given t.
1108 - p1x (number) x of the first point of the curve
1109 - p1y (number) y of the first point of the curve
1110 - c1x (number) x of the first anchor of the curve
1111 - c1y (number) y of the first anchor of the curve
1112 - c2x (number) x of the second anchor of the curve
1113 - c2y (number) y of the second anchor of the curve
1114 - p2x (number) x of the second point of the curve
1115 - p2y (number) y of the second point of the curve
1116 - t (number) position on the curve (0..1)
1117 = (object) point information in format:
1119 o x: (number) x coordinate of the point
1120 o y: (number) y coordinate of the point
1122 o x: (number) x coordinate of the left anchor
1123 o y: (number) y coordinate of the left anchor
1126 o x: (number) x coordinate of the right anchor
1127 o y: (number) y coordinate of the right anchor
1130 o x: (number) x coordinate of the start of the curve
1131 o y: (number) y coordinate of the start of the curve
1134 o x: (number) x coordinate of the end of the curve
1135 o y: (number) y coordinate of the end of the curve
1137 o alpha: (number) angle of the curve derivative at the point
1140 R.findDotsAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
1146 x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x,
1147 y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y,
1148 mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x),
1149 my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y),
1150 nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x),
1151 ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y),
1152 ax = t1 * p1x + t * c1x,
1153 ay = t1 * p1y + t * c1y,
1154 cx = t1 * c2x + t * p2x,
1155 cy = t1 * c2y + t * p2y,
1156 alpha = (90 - math.atan2(mx - nx, my - ny) * 180 / PI);
1157 (mx > nx || my < ny) && (alpha += 180);
1163 start: {x: ax, y: ay},
1164 end: {x: cx, y: cy},
1168 R._removedFactory = function (methodname) {
1169 return function () {
1170 throw new Error("Rapha\xebl: you are calling to method \u201c" + methodname + "\u201d of removed object");
1173 var pathDimensions = cacher(function (path) {
1175 return {x: 0, y: 0, width: 0, height: 0};
1177 path = path2curve(path);
1183 for (var i = 0, ii = path.length; i < ii; i++) {
1191 var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
1192 X = X[concat](dim.min.x, dim.max.x);
1193 Y = Y[concat](dim.min.y, dim.max.y);
1198 var xmin = mmin[apply](0, X),
1199 ymin = mmin[apply](0, Y);
1203 width: mmax[apply](0, X) - xmin,
1204 height: mmax[apply](0, Y) - ymin
1206 }, null, function (o) {
1214 pathClone = function (pathArray) {
1216 if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
1217 pathArray = R.parsePathString(pathArray);
1219 for (var i = 0, ii = pathArray.length; i < ii; i++) {
1221 for (var j = 0, jj = pathArray[i].length; j < jj; j++) {
1222 res[i][j] = pathArray[i][j];
1225 res.toString = R._path2string;
1228 pathToRelative = R._pathToRelative = cacher(function (pathArray) {
1229 if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
1230 pathArray = R.parsePathString(pathArray);
1238 if (pathArray[0][0] == "M") {
1239 x = pathArray[0][1];
1240 y = pathArray[0][2];
1244 res.push(["M", x, y]);
1246 for (var i = start, ii = pathArray.length; i < ii; i++) {
1247 var r = res[i] = [],
1249 if (pa[0] != lowerCase.call(pa[0])) {
1250 r[0] = lowerCase.call(pa[0]);
1258 r[6] = +(pa[6] - x).toFixed(3);
1259 r[7] = +(pa[7] - y).toFixed(3);
1262 r[1] = +(pa[1] - y).toFixed(3);
1268 for (var j = 1, jj = pa.length; j < jj; j++) {
1269 r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);
1278 for (var k = 0, kk = pa.length; k < kk; k++) {
1282 var len = res[i].length;
1283 switch (res[i][0]) {
1289 x += +res[i][len - 1];
1292 y += +res[i][len - 1];
1295 x += +res[i][len - 2];
1296 y += +res[i][len - 1];
1299 res.toString = R._path2string;
1302 pathToAbsolute = R._pathToAbsolute = cacher(function (pathArray) {
1303 if (!R.is(pathArray, array) || !R.is(pathArray && pathArray[0], array)) { // rough assumption
1304 pathArray = R.parsePathString(pathArray);
1306 if (!pathArray || !pathArray.length) {
1307 return [["M", 0, 0]];
1315 if (pathArray[0][0] == "M") {
1316 x = +pathArray[0][1];
1317 y = +pathArray[0][2];
1321 res[0] = ["M", x, y];
1323 for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {
1326 if (pa[0] != upperCase.call(pa[0])) {
1327 r[0] = upperCase.call(pa[0]);
1335 r[6] = +(pa[6] + x);
1336 r[7] = +(pa[7] + y);
1345 var dots = [x, y][concat](pa.slice(1));
1346 for (var j = 2, jj = dots.length; j < jj; j++) {
1347 dots[j] = +dots[j] + x;
1348 dots[++j] = +dots[j] + y;
1351 res = res[concat](catmullRom2bezier(dots));
1357 for (j = 1, jj = pa.length; j < jj; j++) {
1358 r[j] = +pa[j] + ((j % 2) ? x : y);
1361 } else if (pa[0] == "R") {
1362 dots = [x, y][concat](pa.slice(1));
1364 res = res[concat](catmullRom2bezier(dots));
1365 r = ["R"][concat](pa.slice(-2));
1367 for (var k = 0, kk = pa.length; k < kk; k++) {
1383 mx = r[r.length - 2];
1384 my = r[r.length - 1];
1386 x = r[r.length - 2];
1387 y = r[r.length - 1];
1390 res.toString = R._path2string;
1392 }, null, pathClone),
1393 l2c = function (x1, y1, x2, y2) {
1394 return [x1, y1, x2, y2, x2, y2];
1396 q2c = function (x1, y1, ax, ay, x2, y2) {
1400 _13 * x1 + _23 * ax,
1401 _13 * y1 + _23 * ay,
1402 _13 * x2 + _23 * ax,
1403 _13 * y2 + _23 * ay,
1408 a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {
1409 // for more information of where this math came from visit:
1410 // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
1411 var _120 = PI * 120 / 180,
1412 rad = PI / 180 * (+angle || 0),
1415 rotate = cacher(function (x, y, rad) {
1416 var X = x * math.cos(rad) - y * math.sin(rad),
1417 Y = x * math.sin(rad) + y * math.cos(rad);
1418 return {x: X, y: Y};
1421 xy = rotate(x1, y1, -rad);
1424 xy = rotate(x2, y2, -rad);
1427 var cos = math.cos(PI / 180 * angle),
1428 sin = math.sin(PI / 180 * angle),
1431 var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
1439 k = (large_arc_flag == sweep_flag ? -1 : 1) *
1440 math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),
1441 cx = k * rx * y / ry + (x1 + x2) / 2,
1442 cy = k * -ry * x / rx + (y1 + y2) / 2,
1443 f1 = math.asin(((y1 - cy) / ry).toFixed(9)),
1444 f2 = math.asin(((y2 - cy) / ry).toFixed(9));
1446 f1 = x1 < cx ? PI - f1 : f1;
1447 f2 = x2 < cx ? PI - f2 : f2;
1448 f1 < 0 && (f1 = PI * 2 + f1);
1449 f2 < 0 && (f2 = PI * 2 + f2);
1450 if (sweep_flag && f1 > f2) {
1453 if (!sweep_flag && f2 > f1) {
1463 if (abs(df) > _120) {
1467 f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
1468 x2 = cx + rx * math.cos(f2);
1469 y2 = cy + ry * math.sin(f2);
1470 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
1473 var c1 = math.cos(f1),
1477 t = math.tan(df / 4),
1478 hx = 4 / 3 * rx * t,
1479 hy = 4 / 3 * ry * t,
1481 m2 = [x1 + hx * s1, y1 - hy * c1],
1482 m3 = [x2 + hx * s2, y2 - hy * c2],
1484 m2[0] = 2 * m1[0] - m2[0];
1485 m2[1] = 2 * m1[1] - m2[1];
1487 return [m2, m3, m4][concat](res);
1489 res = [m2, m3, m4][concat](res).join()[split](",");
1491 for (var i = 0, ii = res.length; i < ii; i++) {
1492 newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;
1497 findDotAtSegment = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {
1500 x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,
1501 y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y
1504 curveDim = cacher(function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {
1505 var a = (c2x - 2 * c1x + p1x) - (p2x - 2 * c2x + c1x),
1506 b = 2 * (c1x - p1x) - 2 * (c2x - c1x),
1508 t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a,
1509 t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a,
1513 abs(t1) > "1e12" && (t1 = .5);
1514 abs(t2) > "1e12" && (t2 = .5);
1515 if (t1 > 0 && t1 < 1) {
1516 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
1520 if (t2 > 0 && t2 < 1) {
1521 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
1525 a = (c2y - 2 * c1y + p1y) - (p2y - 2 * c2y + c1y);
1526 b = 2 * (c1y - p1y) - 2 * (c2y - c1y);
1528 t1 = (-b + math.sqrt(b * b - 4 * a * c)) / 2 / a;
1529 t2 = (-b - math.sqrt(b * b - 4 * a * c)) / 2 / a;
1530 abs(t1) > "1e12" && (t1 = .5);
1531 abs(t2) > "1e12" && (t2 = .5);
1532 if (t1 > 0 && t1 < 1) {
1533 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t1);
1537 if (t2 > 0 && t2 < 1) {
1538 dot = findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t2);
1543 min: {x: mmin[apply](0, x), y: mmin[apply](0, y)},
1544 max: {x: mmax[apply](0, x), y: mmax[apply](0, y)}
1547 path2curve = R._path2curve = cacher(function (path, path2) {
1548 var p = pathToAbsolute(path),
1549 p2 = path2 && pathToAbsolute(path2),
1550 attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
1551 attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},
1552 processPath = function (path, d) {
1555 return ["C", d.x, d.y, d.x, d.y, d.x, d.y];
1557 !(path[0] in {T:1, Q:1}) && (d.qx = d.qy = null);
1564 path = ["C"][concat](a2c[apply](0, [d.x, d.y][concat](path.slice(1))));
1567 nx = d.x + (d.x - (d.bx || d.x));
1568 ny = d.y + (d.y - (d.by || d.y));
1569 path = ["C", nx, ny][concat](path.slice(1));
1572 d.qx = d.x + (d.x - (d.qx || d.x));
1573 d.qy = d.y + (d.y - (d.qy || d.y));
1574 path = ["C"][concat](q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));
1579 path = ["C"][concat](q2c(d.x, d.y, path[1], path[2], path[3], path[4]));
1582 path = ["C"][concat](l2c(d.x, d.y, path[1], path[2]));
1585 path = ["C"][concat](l2c(d.x, d.y, path[1], d.y));
1588 path = ["C"][concat](l2c(d.x, d.y, d.x, path[1]));
1591 path = ["C"][concat](l2c(d.x, d.y, d.X, d.Y));
1596 fixArc = function (pp, i) {
1597 if (pp[i].length > 7) {
1601 pp.splice(i++, 0, ["C"][concat](pi.splice(0, 6)));
1604 ii = mmax(p.length, p2 && p2.length || 0);
1607 fixM = function (path1, path2, a1, a2, i) {
1608 if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") {
1609 path2.splice(i, 0, ["M", a2.x, a2.y]);
1614 ii = mmax(p.length, p2 && p2.length || 0);
1617 for (var i = 0, ii = mmax(p.length, p2 && p2.length || 0); i < ii; i++) {
1618 p[i] = processPath(p[i], attrs);
1620 p2 && (p2[i] = processPath(p2[i], attrs2));
1621 p2 && fixArc(p2, i);
1622 fixM(p, p2, attrs, attrs2, i);
1623 fixM(p2, p, attrs2, attrs, i);
1626 seglen = seg.length,
1627 seg2len = p2 && seg2.length;
1628 attrs.x = seg[seglen - 2];
1629 attrs.y = seg[seglen - 1];
1630 attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;
1631 attrs.by = toFloat(seg[seglen - 3]) || attrs.y;
1632 attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);
1633 attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);
1634 attrs2.x = p2 && seg2[seg2len - 2];
1635 attrs2.y = p2 && seg2[seg2len - 1];
1637 return p2 ? [p, p2] : p;
1638 }, null, pathClone),
1639 parseDots = R._parseDots = cacher(function (gradient) {
1641 for (var i = 0, ii = gradient.length; i < ii; i++) {
1643 par = gradient[i].match(/^([^:]*):?([\d\.]*)/);
1644 dot.color = R.getRGB(par[1]);
1645 if (dot.color.error) {
1648 dot.color = dot.color.hex;
1649 par[2] && (dot.offset = par[2] + "%");
1652 for (i = 1, ii = dots.length - 1; i < ii; i++) {
1653 if (!dots[i].offset) {
1654 var start = toFloat(dots[i - 1].offset || 0),
1656 for (var j = i + 1; j < ii; j++) {
1657 if (dots[j].offset) {
1658 end = dots[j].offset;
1667 var d = (end - start) / (j - i + 1);
1668 for (; i < j; i++) {
1670 dots[i].offset = start + "%";
1676 tear = R._tear = function (el, paper) {
1677 el == paper.top && (paper.top = el.prev);
1678 el == paper.bottom && (paper.bottom = el.next);
1679 el.next && (el.next.prev = el.prev);
1680 el.prev && (el.prev.next = el.next);
1682 tofront = R._tofront = function (el, paper) {
1683 if (paper.top === el) {
1688 el.prev = paper.top;
1689 paper.top.next = el;
1692 toback = R._toback = function (el, paper) {
1693 if (paper.bottom === el) {
1697 el.next = paper.bottom;
1699 paper.bottom.prev = el;
1702 insertafter = R._insertafter = function (el, el2, paper) {
1704 el2 == paper.top && (paper.top = el);
1705 el2.next && (el2.next.prev = el);
1710 insertbefore = R._insertbefore = function (el, el2, paper) {
1712 el2 == paper.bottom && (paper.bottom = el);
1713 el2.prev && (el2.prev.next = el);
1718 extractTransform = R._extractTransform = function (el, tstr) {
1720 return el._.transform;
1722 tstr = Str(tstr).replace(/\.{3}|\u2026/g, el._.transform || E);
1723 var tdata = R.parseTransformString(tstr),
1731 _.transform = tdata || [];
1733 for (var i = 0, ii = tdata.length; i < ii; i++) {
1736 command = Str(t[0]).toLowerCase(),
1737 absolute = t[0] != command,
1738 inver = absolute ? m.invert() : 0,
1744 if (command == "t" && tlen == 3) {
1748 x2 = inver.x(t[1], t[2]);
1749 y2 = inver.y(t[1], t[2]);
1750 m.translate(x2 - x1, y2 - y1);
1752 m.translate(t[1], t[2]);
1754 } else if (command == "r") {
1756 bb = bb || el.getBBox(1);
1757 m.rotate(t[1], bb.x + bb.width / 2, bb.y + bb.height / 2);
1759 } else if (tlen == 4) {
1761 x2 = inver.x(t[2], t[3]);
1762 y2 = inver.y(t[2], t[3]);
1763 m.rotate(t[1], x2, y2);
1765 m.rotate(t[1], t[2], t[3]);
1769 } else if (command == "s") {
1770 if (tlen == 2 || tlen == 3) {
1771 bb = bb || el.getBBox(1);
1772 m.scale(t[1], t[tlen - 1], bb.x + bb.width / 2, bb.y + bb.height / 2);
1775 } else if (tlen == 5) {
1777 x2 = inver.x(t[3], t[4]);
1778 y2 = inver.y(t[3], t[4]);
1779 m.scale(t[1], t[2], x2, y2);
1781 m.scale(t[1], t[2], t[3], t[4]);
1786 } else if (command == "m" && tlen == 7) {
1787 m.add(t[1], t[2], t[3], t[4], t[5], t[6]);
1802 if (sx == 1 && sy == 1 && !deg && _.bbox) {
1809 getEmpty = function (item) {
1811 switch (l.toLowerCase()) {
1812 case "t": return [l, 0, 0];
1813 case "m": return [l, 1, 0, 0, 1, 0, 0];
1814 case "r": if (item.length == 4) {
1815 return [l, 0, item[2], item[3]];
1819 case "s": if (item.length == 5) {
1820 return [l, 1, 1, item[3], item[4]];
1821 } else if (item.length == 3) {
1828 equaliseTransform = R._equaliseTransform = function (t1, t2) {
1829 t2 = Str(t2).replace(/\.{3}|\u2026/g, t1);
1830 t1 = R.parseTransformString(t1) || [];
1831 t2 = R.parseTransformString(t2) || [];
1832 var maxlength = mmax(t1.length, t2.length),
1837 for (; i < maxlength; i++) {
1838 tt1 = t1[i] || getEmpty(t2[i]);
1839 tt2 = t2[i] || getEmpty(tt1);
1840 if ((tt1[0] != tt2[0]) ||
1841 (tt1[0].toLowerCase() == "r" && (tt1[2] != tt2[2] || tt1[3] != tt2[3])) ||
1842 (tt1[0].toLowerCase() == "s" && (tt1[3] != tt2[3] || tt1[4] != tt2[4]))
1848 for (j = 0, jj = mmax(tt1.length, tt2.length); j < jj; j++) {
1849 j in tt1 && (from[i][j] = tt1[j]);
1850 j in tt2 && (to[i][j] = tt2[j]);
1858 R._getContainer = function (x, y, w, h) {
1860 container = h == null && !R.is(x, "object") ? g.doc.getElementById(x) : x;
1861 if (container == null) {
1864 if (container.tagName) {
1867 container: container,
1868 width: container.style.pixelWidth || container.offsetWidth,
1869 height: container.style.pixelHeight || container.offsetHeight
1873 container: container,
1888 * Raphael.pathToRelative
1893 * Converts path to relative form
1895 - pathString (string|array) path string or array of segments
1896 = (array) array of segments.
1898 R.pathToRelative = pathToRelative;
1901 * Raphael.path2curve
1906 * Converts path to a new path where all segments are cubic bezier curves.
1908 - pathString (string|array) path string or array of segments
1909 = (array) array of segments.
1911 R.path2curve = path2curve;
1918 * Returns matrix based on given parameters.
1928 R.matrix = function (a, b, c, d, e, f) {
1929 return new Matrix(a, b, c, d, e, f);
1931 function Matrix(a, b, c, d, e, f) {
1948 (function (matrixproto) {
1953 * Adds given matrix to existing one.
1962 - matrix (object) @Matrix
1964 matrixproto.add = function (a, b, c, d, e, f) {
1965 var out = [[], [], []],
1966 m = [[this.a, this.c, this.e], [this.b, this.d, this.f], [0, 0, 1]],
1967 matrix = [[a, c, e], [b, d, f], [0, 0, 1]],
1970 if (a && a instanceof Matrix) {
1971 matrix = [[a.a, a.c, a.e], [a.b, a.d, a.f], [0, 0, 1]];
1974 for (x = 0; x < 3; x++) {
1975 for (y = 0; y < 3; y++) {
1977 for (z = 0; z < 3; z++) {
1978 res += m[x][z] * matrix[z][y];
1994 * Returns inverted version of the matrix
1997 matrixproto.invert = function () {
1999 x = me.a * me.d - me.b * me.c;
2000 return new Matrix(me.d / x, -me.b / x, -me.c / x, me.a / x, (me.c * me.f - me.d * me.e) / x, (me.b * me.e - me.a * me.f) / x);
2006 * Returns copy of the matrix
2009 matrixproto.clone = function () {
2010 return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f);
2016 * Translate the matrix
2021 matrixproto.translate = function (x, y) {
2022 this.add(1, 0, 0, 1, x, y);
2031 - y (number) #optional
2032 - cx (number) #optional
2033 - cy (number) #optional
2035 matrixproto.scale = function (x, y, cx, cy) {
2036 y == null && (y = x);
2037 (cx || cy) && this.add(1, 0, 0, 1, cx, cy);
2038 this.add(x, 0, 0, y, 0, 0);
2039 (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy);
2045 * Rotates the matrix
2051 matrixproto.rotate = function (a, x, y) {
2055 var cos = +math.cos(a).toFixed(9),
2056 sin = +math.sin(a).toFixed(9);
2057 this.add(cos, sin, -sin, cos, x, y);
2058 this.add(1, 0, 0, 1, -x, -y);
2064 * Return x coordinate for given point after transformation described by the matrix. See also @Matrix.y
2070 matrixproto.x = function (x, y) {
2071 return x * this.a + y * this.c + this.e;
2077 * Return y coordinate for given point after transformation described by the matrix. See also @Matrix.x
2083 matrixproto.y = function (x, y) {
2084 return x * this.b + y * this.d + this.f;
2086 matrixproto.get = function (i) {
2087 return +this[Str.fromCharCode(97 + i)].toFixed(4);
2089 matrixproto.toString = function () {
2091 "matrix(" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + ")" :
2092 [this.get(0), this.get(2), this.get(1), this.get(3), 0, 0].join();
2094 matrixproto.toFilter = function () {
2095 return "progid:DXImageTransform.Microsoft.Matrix(M11=" + this.get(0) +
2096 ", M12=" + this.get(2) + ", M21=" + this.get(1) + ", M22=" + this.get(3) +
2097 ", Dx=" + this.get(4) + ", Dy=" + this.get(5) + ", sizingmethod='auto expand')";
2099 matrixproto.offset = function () {
2100 return [this.e.toFixed(4), this.f.toFixed(4)];
2103 return a[0] * a[0] + a[1] * a[1];
2105 function normalize(a) {
2106 var mag = math.sqrt(norm(a));
2107 a[0] && (a[0] /= mag);
2108 a[1] && (a[1] /= mag);
2114 * Splits matrix into primitive transformations
2115 = (object) in format:
2116 o dx (number) translation by x
2117 o dy (number) translation by y
2118 o scalex (number) scale by x
2119 o scaley (number) scale by y
2120 o shear (number) shear
2121 o rotate (number) rotation in deg
2122 o isSimple (boolean) could it be represented via simple transformations
2124 matrixproto.split = function () {
2131 var row = [[this.a, this.c], [this.b, this.d]];
2132 out.scalex = math.sqrt(norm(row[0]));
2135 out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1];
2136 row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear];
2138 out.scaley = math.sqrt(norm(row[1]));
2140 out.shear /= out.scaley;
2143 var sin = -row[0][1],
2146 out.rotate = R.deg(math.acos(cos));
2148 out.rotate = 360 - out.rotate;
2151 out.rotate = R.deg(math.asin(sin));
2154 out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate);
2155 out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate;
2156 out.noRotation = !+out.shear.toFixed(9) && !out.rotate;
2160 * Matrix.toTransformString
2163 * Return transform string that represents given matrix
2164 = (string) transform string
2166 matrixproto.toTransformString = function (shorter) {
2167 var s = shorter || this[split]();
2169 s.scalex = +s.scalex.toFixed(4);
2170 s.scaley = +s.scaley.toFixed(4);
2171 s.rotate = +s.rotate.toFixed(4);
2172 return (s.dx && s.dy ? "t" + [s.dx, s.dy] : E) +
2173 (s.scalex != 1 || s.scaley != 1 ? "s" + [s.scalex, s.scaley, 0, 0] : E) +
2174 (s.rotate ? "r" + [s.rotate, 0, 0] : E);
2176 return "m" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)];
2179 })(Matrix.prototype);
2181 // WebKit rendering bug workaround method
2182 var version = navigator.userAgent.match(/Version\/(.*?)\s/) || navigator.userAgent.match(/Chrome\/(\d+)/);
2183 if ((navigator.vendor == "Apple Computer, Inc.") && (version && version[1] < 4 || navigator.platform.slice(0, 2) == "iP") ||
2184 (navigator.vendor == "Google Inc." && version && version[1] < 8)) {
2189 * There is an inconvenient rendering bug in Safari (WebKit):
2190 * sometimes the rendering should be forced.
2191 * This method should help with dealing with this bug.
2193 paperproto.safari = function () {
2194 var rect = this.rect(-99, -99, this.width + 99, this.height + 99).attr({stroke: "none"});
2195 setTimeout(function () {rect.remove();});
2198 paperproto.safari = fun;
2201 var preventDefault = function () {
2202 this.returnValue = false;
2204 preventTouch = function () {
2205 return this.originalEvent.preventDefault();
2207 stopPropagation = function () {
2208 this.cancelBubble = true;
2210 stopTouch = function () {
2211 return this.originalEvent.stopPropagation();
2213 addEvent = (function () {
2214 if (g.doc.addEventListener) {
2215 return function (obj, type, fn, element) {
2216 var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,
2218 var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
2219 scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
2220 x = e.clientX + scrollX,
2221 y = e.clientY + scrollY;
2222 if (supportsTouch && touchMap[has](type)) {
2223 for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
2224 if (e.targetTouches[i].target == obj) {
2226 e = e.targetTouches[i];
2227 e.originalEvent = olde;
2228 e.preventDefault = preventTouch;
2229 e.stopPropagation = stopTouch;
2234 return fn.call(element, e, x, y);
2236 obj.addEventListener(realName, f, false);
2237 return function () {
2238 obj.removeEventListener(realName, f, false);
2242 } else if (g.doc.attachEvent) {
2243 return function (obj, type, fn, element) {
2244 var f = function (e) {
2245 e = e || g.win.event;
2246 var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
2247 scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
2248 x = e.clientX + scrollX,
2249 y = e.clientY + scrollY;
2250 e.preventDefault = e.preventDefault || preventDefault;
2251 e.stopPropagation = e.stopPropagation || stopPropagation;
2252 return fn.call(element, e, x, y);
2254 obj.attachEvent("on" + type, f);
2255 var detacher = function () {
2256 obj.detachEvent("on" + type, f);
2264 dragMove = function (e) {
2267 scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
2268 scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
2273 if (supportsTouch) {
2274 var i = e.touches.length,
2277 touch = e.touches[i];
2278 if (touch.identifier == dragi.el._drag.id) {
2281 (e.originalEvent ? e.originalEvent : e).preventDefault();
2288 var node = dragi.el.node,
2290 next = node.nextSibling,
2291 parent = node.parentNode,
2292 display = node.style.display;
2293 g.win.opera && parent.removeChild(node);
2294 node.style.display = "none";
2295 o = dragi.el.paper.getElementByPoint(x, y);
2296 node.style.display = display;
2297 g.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node));
2298 o && eve("drag.over." + dragi.el.id, dragi.el, o);
2301 eve("drag.move." + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);
2304 dragUp = function (e) {
2305 R.unmousemove(dragMove).unmouseup(dragUp);
2306 var i = drag.length,
2310 dragi.el._drag = {};
2311 eve("drag.end." + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);
2317 [ property (object) ]
2319 * You can add your own method to elements. This is usefull when you want to hack default functionality or
2320 * want to wrap some common transformation or attributes in one method. In difference to canvas methods,
2321 * you can redefine element method at any time. Expending element methods wouldn’t affect set.
2323 | Raphael.el.red = function () {
2324 | this.attr({fill: "#f00"});
2327 | paper.circle(100, 100, 20).red();
2329 elproto = R.el = {};
2334 * Adds event handler for click for the element.
2336 - handler (function) handler for the event
2343 * Removes event handler for click for the element.
2345 - handler (function) handler for the event
2353 * Adds event handler for double click for the element.
2355 - handler (function) handler for the event
2359 * Element.undblclick
2362 * Removes event handler for double click for the element.
2364 - handler (function) handler for the event
2372 * Adds event handler for mousedown for the element.
2374 - handler (function) handler for the event
2378 * Element.unmousedown
2381 * Removes event handler for mousedown for the element.
2383 - handler (function) handler for the event
2391 * Adds event handler for mousemove for the element.
2393 - handler (function) handler for the event
2397 * Element.unmousemove
2400 * Removes event handler for mousemove for the element.
2402 - handler (function) handler for the event
2410 * Adds event handler for mouseout for the element.
2412 - handler (function) handler for the event
2416 * Element.unmouseout
2419 * Removes event handler for mouseout for the element.
2421 - handler (function) handler for the event
2429 * Adds event handler for mouseover for the element.
2431 - handler (function) handler for the event
2435 * Element.unmouseover
2438 * Removes event handler for mouseover for the element.
2440 - handler (function) handler for the event
2448 * Adds event handler for mouseup for the element.
2450 - handler (function) handler for the event
2457 * Removes event handler for mouseup for the element.
2459 - handler (function) handler for the event
2464 * Element.touchstart
2467 * Adds event handler for touchstart for the element.
2469 - handler (function) handler for the event
2473 * Element.untouchstart
2476 * Removes event handler for touchstart for the element.
2478 - handler (function) handler for the event
2486 * Adds event handler for touchmove for the element.
2488 - handler (function) handler for the event
2492 * Element.untouchmove
2495 * Removes event handler for touchmove for the element.
2497 - handler (function) handler for the event
2505 * Adds event handler for touchend for the element.
2507 - handler (function) handler for the event
2511 * Element.untouchend
2514 * Removes event handler for touchend for the element.
2516 - handler (function) handler for the event
2521 * Element.touchcancel
2524 * Adds event handler for touchcancel for the element.
2526 - handler (function) handler for the event
2530 * Element.untouchcancel
2533 * Removes event handler for touchcancel for the element.
2535 - handler (function) handler for the event
2538 for (var i = events.length; i--;) {
2539 (function (eventName) {
2540 R[eventName] = elproto[eventName] = function (fn, scope) {
2541 if (R.is(fn, "function")) {
2542 this.events = this.events || [];
2543 this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node || g.doc, eventName, fn, scope || this)});
2547 R["un" + eventName] = elproto["un" + eventName] = function (fn) {
2548 var events = this.events,
2550 while (l--) if (events[l].name == eventName && events[l].f == fn) {
2552 events.splice(l, 1);
2553 !events.length && delete this.events;
2565 * Adds or retrieves given value asociated with given key.
2567 * See also @Element.removeData
2569 - key (string) key to store data
2570 - value (any) #optional value to store
2572 * or, if value is not specified:
2575 | for (var i = 0, i < 5, i++) {
2576 | paper.circle(10 + 15 * i, 10, 10)
2577 | .attr({fill: "#000"})
2579 | .click(function () {
2580 | alert(this.data("i"));
2584 elproto.data = function (key, value) {
2585 var data = eldata[this.id] = eldata[this.id] || {};
2586 if (arguments.length == 1) {
2587 if (R.is(key, "object")) {
2588 for (var i in key) if (key[has](i)) {
2589 this.data(i, key[i]);
2593 eve("data.get." + this.id, this, data[key], key);
2597 eve("data.set." + this.id, this, value, key);
2601 * Element.removeData
2604 * Removes value associated with an element by given key.
2605 * If key is not provided, removes all the data of the element.
2607 - key (string) #optional key
2610 elproto.removeData = function (key) {
2612 eldata[this.id] = {};
2614 eldata[this.id] && delete eldata[this.id][key];
2622 * Adds event handlers for hover for the element.
2624 - f_in (function) handler for hover in
2625 - f_out (function) handler for hover out
2626 - icontext (object) #optional context for hover in handler
2627 - ocontext (object) #optional context for hover out handler
2630 elproto.hover = function (f_in, f_out, scope_in, scope_out) {
2631 return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);
2637 * Removes event handlers for hover for the element.
2639 - f_in (function) handler for hover in
2640 - f_out (function) handler for hover out
2643 elproto.unhover = function (f_in, f_out) {
2644 return this.unmouseover(f_in).unmouseout(f_out);
2651 * Adds event handlers for drag of the element.
2653 - onmove (function) handler for moving
2654 - onstart (function) handler for drag start
2655 - onend (function) handler for drag end
2656 - mcontext (object) #optional context for moving handler
2657 - scontext (object) #optional context for drag start handler
2658 - econtext (object) #optional context for drag end handler
2659 * Additionaly following `drag` events will be triggered: `drag.start.<id>` on start,
2660 * `drag.end.<id>` on end and `drag.move.<id>` on every move. When element will be dragged over another element
2661 * `drag.over.<id>` will be fired as well.
2663 * Start event and start handler will be called in specified context or in context of the element with following parameters:
2664 o x (number) x position of the mouse
2665 o y (number) y position of the mouse
2666 o event (object) DOM event object
2667 * Move event and move handler will be called in specified context or in context of the element with following parameters:
2668 o dx (number) shift by x from the start point
2669 o dy (number) shift by y from the start point
2670 o x (number) x position of the mouse
2671 o y (number) y position of the mouse
2672 o event (object) DOM event object
2673 * End event and end handler will be called in specified context or in context of the element with following parameters:
2674 o event (object) DOM event object
2677 elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {
2679 (e.originalEvent || e).preventDefault();
2680 var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
2681 scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft;
2682 this._drag.x = e.clientX + scrollX;
2683 this._drag.y = e.clientY + scrollY;
2684 this._drag.id = e.identifier;
2685 !drag.length && R.mousemove(dragMove).mouseup(dragUp);
2686 drag.push({el: this, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope});
2687 onstart && eve.on("drag.start." + this.id, onstart);
2688 onmove && eve.on("drag.move." + this.id, onmove);
2689 onend && eve.on("drag.end." + this.id, onend);
2690 eve("drag.start." + this.id, start_scope || move_scope || this, e.clientX + scrollX, e.clientY + scrollY, e);
2693 draggable.push({el: this, start: start});
2694 this.mousedown(start);
2698 * Element.onDragOver
2701 * Shortcut for assigning event handler for `drag.over.<id>` event, where id is id of the element (see @Element.id).
2703 - f (function) handler for event, first argument would be the element you are dragging over
2705 elproto.onDragOver = function (f) {
2706 f ? eve.on("drag.over." + this.id, f) : eve.unbind("drag.over." + this.id);
2712 * Removes all drag event handlers from given element.
2714 elproto.undrag = function () {
2715 var i = draggable.length;
2716 while (i--) if (draggable[i].el == this) {
2717 this.unmousedown(draggable[i].start);
2718 draggable.splice(i, 1);
2719 eve.unbind("drag.*." + this.id);
2721 !draggable.length && R.unmousemove(dragMove).unmouseup(dragUp);
2731 - x (number) x coordinate of the centre
2732 - y (number) y coordinate of the centre
2734 = (object) Raphaël element object with type “circle”
2737 | var c = paper.circle(50, 50, 40);
2739 paperproto.circle = function (x, y, r) {
2740 var out = R._engine.circle(this, x || 0, y || 0, r || 0);
2741 this.__set__ && this.__set__.push(out);
2748 * Draws a rectangle.
2752 - x (number) x coordinate of the top left corner
2753 - y (number) y coordinate of the top left corner
2754 - width (number) width
2755 - height (number) height
2756 - r (number) #optional radius for rounded corners, default is 0
2757 = (object) Raphaël element object with type “rect”
2760 | // regular rectangle
2761 | var c = paper.rect(10, 10, 50, 50);
2762 | // rectangle with rounded corners
2763 | var c = paper.rect(40, 40, 50, 50, 10);
2765 paperproto.rect = function (x, y, w, h, r) {
2766 var out = R._engine.rect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
2767 this.__set__ && this.__set__.push(out);
2778 - x (number) x coordinate of the centre
2779 - y (number) y coordinate of the centre
2780 - rx (number) horizontal radius
2781 - ry (number) vertical radius
2782 = (object) Raphaël element object with type “ellipse”
2785 | var c = paper.ellipse(50, 50, 40, 20);
2787 paperproto.ellipse = function (x, y, rx, ry) {
2788 var out = R._engine.ellipse(this, x || 0, y || 0, rx || 0, ry || 0);
2789 this.__set__ && this.__set__.push(out);
2796 * Creates a path element by given path data string.
2798 - pathString (string) #optional path string in SVG format.
2799 * Path string consists of one-letter commands, followed by comma seprarated arguments in numercal form. Example:
2801 * Here we can see two commands: “M”, with arguments `(10, 20)` and “L” with arguments `(30, 40)`. Upper case letter mean command is absolute, lower case—relative.
2803 # <p>Here is short list of commands available, for more details see <a href="http://www.w3.org/TR/SVG/paths.html#PathData" title="Details of a path's data attribute's format are described in the SVG specification.">SVG path string format</a>.</p>
2804 # <table><thead><tr><th>Command</th><th>Name</th><th>Parameters</th></tr></thead><tbody>
2805 # <tr><td>M</td><td>moveto</td><td>(x y)+</td></tr>
2806 # <tr><td>Z</td><td>closepath</td><td>(none)</td></tr>
2807 # <tr><td>L</td><td>lineto</td><td>(x y)+</td></tr>
2808 # <tr><td>H</td><td>horizontal lineto</td><td>x+</td></tr>
2809 # <tr><td>V</td><td>vertical lineto</td><td>y+</td></tr>
2810 # <tr><td>C</td><td>curveto</td><td>(x1 y1 x2 y2 x y)+</td></tr>
2811 # <tr><td>S</td><td>smooth curveto</td><td>(x2 y2 x y)+</td></tr>
2812 # <tr><td>Q</td><td>quadratic Bézier curveto</td><td>(x1 y1 x y)+</td></tr>
2813 # <tr><td>T</td><td>smooth quadratic Bézier curveto</td><td>(x y)+</td></tr>
2814 # <tr><td>A</td><td>elliptical arc</td><td>(rx ry x-axis-rotation large-arc-flag sweep-flag x y)+</td></tr>
2815 # <tr><td>R</td><td><a href="http://en.wikipedia.org/wiki/Catmull–Rom_spline#Catmull.E2.80.93Rom_spline">Catmull-Rom curveto</a>*</td><td>x1 y1 (x y)+</td></tr></tbody></table>
2816 * * “Catmull-Rom curveto” is a not standard SVG command and added in 2.0 to make life easier.
2818 | var c = paper.path("M10 10L90 90");
2819 | // draw a diagonal line:
2820 | // move to 10,10, line to 90,90
2822 paperproto.path = function (pathString) {
2823 pathString && !R.is(pathString, string) && !R.is(pathString[0], array) && (pathString += E);
2824 var out = R._engine.path(R.format[apply](R, arguments), this);
2825 this.__set__ && this.__set__.push(out);
2832 * Embeds an image into the surface.
2836 - src (string) URI of the source image
2837 - x (number) x coordinate position
2838 - y (number) y coordinate position
2839 - width (number) width of the image
2840 - height (number) height of the image
2841 = (object) Raphaël element object with type “image”
2844 | var c = paper.image("apple.png", 10, 10, 80, 80);
2846 paperproto.image = function (src, x, y, w, h) {
2847 var out = R._engine.image(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);
2848 this.__set__ && this.__set__.push(out);
2855 * Draws a text string. If you need line breaks, put “\n” in the string.
2859 - x (number) x coordinate position
2860 - y (number) y coordinate position
2861 - text (string) The text string to draw
2862 = (object) Raphaël element object with type “text”
2865 | var t = paper.text(50, 50, "Raphaël\nkicks\nbutt!");
2867 paperproto.text = function (x, y, text) {
2868 var out = R._engine.text(this, x || 0, y || 0, Str(text));
2869 this.__set__ && this.__set__.push(out);
2876 * Creates array-like object to keep and operate several elements at once.
2877 * Warning: it doesn’t create any elements for itself in the page, it just groups existing elements.
2878 * Sets act as pseudo elements — all methods available to an element can be used on a set.
2879 = (object) array-like object that represents set of elements
2882 | var st = paper.set();
2884 | paper.circle(10, 10, 5),
2885 | paper.circle(30, 10, 5)
2887 | st.attr({fill: "red"}); // changes the fill of both circles
2889 paperproto.set = function (itemsArray) {
2890 !R.is(itemsArray, "array") && (itemsArray = Array.prototype.splice.call(arguments, 0, arguments.length));
2891 var out = new Set(itemsArray);
2892 this.__set__ && this.__set__.push(out);
2899 * Creates @Paper.set. All elements that will be created after calling this method and before calling
2900 * @Paper.setFinish will be added to the set.
2904 | paper.circle(10, 10, 5),
2905 | paper.circle(30, 10, 5)
2906 | var st = paper.setFinish();
2907 | st.attr({fill: "red"}); // changes the fill of both circles
2909 paperproto.setStart = function (set) {
2910 this.__set__ = set || this.set();
2916 * See @Paper.setStart. This method finishes catching and returns resulting set.
2920 paperproto.setFinish = function (set) {
2921 var out = this.__set__;
2922 delete this.__set__;
2929 * If you need to change dimensions of the canvas call this method
2933 - width (number) new width of the canvas
2934 - height (number) new height of the canvas
2936 | var st = paper.set();
2938 | paper.circle(10, 10, 5),
2939 | paper.circle(30, 10, 5)
2941 | st.attr({fill: "red"});
2943 paperproto.setSize = function (width, height) {
2944 return R._engine.setSize.call(this, width, height);
2950 * Sets the view box of the paper. Practically it gives you ability to zoom and pan whole paper surface by
2951 * specifying new boundaries.
2955 - x (number) new x position, default is `0`
2956 - y (number) new y position, default is `0`
2957 - w (number) new width of the canvas
2958 - h (number) new height of the canvas
2959 - fit (boolean) `true` if you want graphics to fit into new boundary box
2961 paperproto.setViewBox = function (x, y, w, h, fit) {
2962 return R._engine.setViewBox.call(this, x, y, w, h, fit);
2968 * Points to the topmost element on the paper
2974 * Points to the bottom element on the paper
2976 paperproto.top = paperproto.bottom = null;
2981 * Points to the @Raphael object/function
2983 paperproto.raphael = R;
2984 var getOffset = function (elem) {
2985 var box = elem.getBoundingClientRect(),
2986 doc = elem.ownerDocument,
2988 docElem = doc.documentElement,
2989 clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
2990 top = box.top + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop ) - clientTop,
2991 left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft;
2998 * Paper.getElementByPoint
3001 * Returns you topmost element under given point.
3003 = (object) Raphaël element object
3006 - x (number) x coordinate from the top left corner of the window
3007 - y (number) y coordinate from the top left corner of the window
3009 | paper.getElementByPoint(mouseX, mouseY).attr({stroke: "#f00"});
3011 paperproto.getElementByPoint = function (x, y) {
3014 target = g.doc.elementFromPoint(x, y);
3015 if (g.win.opera && target.tagName == "svg") {
3016 var so = getOffset(svg),
3017 sr = svg.createSVGRect();
3020 sr.width = sr.height = 1;
3021 var hits = svg.getIntersectionList(sr, null);
3023 target = hits[hits.length - 1];
3029 while (target.parentNode && target != svg.parentNode && !target.raphael) {
3030 target = target.parentNode;
3032 target == paper.canvas.parentNode && (target = svg);
3033 target = target && target.raphael ? paper.getById(target.raphaelid) : null;
3040 * Returns you element by its internal ID.
3045 = (object) Raphaël element object
3047 paperproto.getById = function (id) {
3048 var bot = this.bottom;
3061 * Executes given function for each element on the paper
3063 * If callback function returns `false` it will stop loop running.
3067 - callback (function) function to run
3068 - thisArg (object) context object for the callback
3069 = (object) Paper object
3071 paperproto.forEach = function (callback, thisArg) {
3072 var bot = this.bottom;
3074 if (callback.call(thisArg, bot) === false) {
3082 return this.x + S + this.y;
3084 function x_y_w_h() {
3085 return this.x + S + this.y + S + this.width + " \xd7 " + this.height;
3091 * Return bounding box for a given element
3095 - isWithoutTransform (boolean) flag, `true` if you want to have bounding box before transformations. Default is `false`.
3096 = (object) Bounding box object:
3098 o x: (number) top left corner x
3099 o y: (number) top left corner y
3100 o width: (number) width
3101 o height: (number) height
3104 elproto.getBBox = function (isWithoutTransform) {
3109 if (isWithoutTransform) {
3110 if (_.dirty || !_.bboxwt) {
3111 this.realPath = getPath[this.type](this);
3112 _.bboxwt = pathDimensions(this.realPath);
3113 _.bboxwt.toString = x_y_w_h;
3118 if (_.dirty || _.dirtyT || !_.bbox) {
3119 if (_.dirty || !this.realPath) {
3121 this.realPath = getPath[this.type](this);
3123 _.bbox = pathDimensions(mapPath(this.realPath, this.matrix));
3124 _.bbox.toString = x_y_w_h;
3125 _.dirty = _.dirtyT = 0;
3133 = (object) clone of a given element
3136 elproto.clone = function () {
3140 var out = this.paper[this.type]().attr(this.attr());
3141 this.__set__ && this.__set__.push(out);
3148 * Return set of elements that create glow-like effect around given element. See @Paper.set.
3150 * Note: Glow is not connected to the element. If you change element attributes it won’t adjust itself.
3154 - glow (object) #optional parameters object with all properties optional:
3156 o width (number) size of the glow, default is `10`
3157 o fill (boolean) will it be filled, default is `false`
3158 o opacity (number) opacity, default is `0.5`
3159 o offsetx (number) horizontal offset, default is `0`
3160 o offsety (number) vertical offset, default is `0`
3161 o color (string) glow colour, default is `black`
3163 = (object) @Paper.set of elements that represents glow
3165 elproto.glow = function (glow) {
3166 if (this.type == "text") {
3171 width: (glow.width || 10) + (+this.attr("stroke-width") || 1),
3172 fill: glow.fill || false,
3173 opacity: glow.opacity || .5,
3174 offsetx: glow.offsetx || 0,
3175 offsety: glow.offsety || 0,
3176 color: glow.color || "#000"
3181 path = this.realPath || getPath[this.type](this);
3182 path = this.matrix ? mapPath(path, this.matrix) : path;
3183 for (var i = 1; i < c + 1; i++) {
3184 out.push(r.path(path).attr({
3186 fill: s.fill ? s.color : "none",
3187 "stroke-linejoin": "round",
3188 "stroke-linecap": "round",
3189 "stroke-width": +(s.width / c * i).toFixed(3),
3190 opacity: +(s.opacity / c).toFixed(3)
3193 return out.insertBefore(this).translate(s.offsetx, s.offsety);
3195 var curveslengths = {},
3196 getPointAtSegmentLength = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
3199 name = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y].join(),
3200 cache = curveslengths[name],
3202 !cache && (curveslengths[name] = cache = {data: []});
3203 cache.timer && clearTimeout(cache.timer);
3204 cache.timer = setTimeout(function () {delete curveslengths[name];}, 2e3);
3205 if (length != null && !cache.precision) {
3206 var total = getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);
3207 cache.precision = ~~total * 10;
3210 precision = cache.precision || precision;
3211 for (var i = 0; i < precision + 1; i++) {
3212 if (cache.data[i * precision]) {
3213 dot = cache.data[i * precision];
3215 dot = R.findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i / precision);
3216 cache.data[i * precision] = dot;
3218 i && (len += pow(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2), .5));
3219 if (length != null && len >= length) {
3224 if (length == null) {
3228 getLengthFactory = function (istotal, subpath) {
3229 return function (path, length, onlystart) {
3230 path = path2curve(path);
3231 var x, y, p, l, sp = "", subpaths = {}, point,
3233 for (var i = 0, ii = path.length; i < ii; i++) {
3239 l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
3240 if (len + l > length) {
3241 if (subpath && !subpaths.start) {
3242 point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
3243 sp += ["C" + point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
3244 if (onlystart) {return sp;}
3245 subpaths.start = sp;
3246 sp = ["M" + point.x, point.y + "C" + point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]].join();
3252 if (!istotal && !subpath) {
3253 point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
3254 return {x: point.x, y: point.y, alpha: point.alpha};
3261 sp += p.shift() + p;
3264 point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1);
3265 point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});
3269 var getTotalLength = getLengthFactory(1),
3270 getPointAtLength = getLengthFactory(),
3271 getSubpathsAtLength = getLengthFactory(0, 1);
3273 * Raphael.getTotalLength
3276 * Returns length of the given path in pixels.
3280 - path (string) SVG path string.
3284 R.getTotalLength = getTotalLength;
3286 * Raphael.getPointAtLength
3289 * Return coordinates of the point located at the given length on the given path.
3293 - path (string) SVG path string
3296 = (object) representation of the point:
3298 o x: (number) x coordinate
3299 o y: (number) y coordinate
3300 o alpha: (number) angle of derivative
3303 R.getPointAtLength = getPointAtLength;
3305 * Raphael.getSubpath
3308 * Return subpath of a given path from given length to given length.
3312 - path (string) SVG path string
3313 - from (number) position of the start of the segment
3314 - to (number) position of the end of the segment
3316 = (string) pathstring for the segment
3318 R.getSubpath = function (path, from, to) {
3319 if (this.getTotalLength(path) - to < 1e-6) {
3320 return getSubpathsAtLength(path, from).end;
3322 var a = getSubpathsAtLength(path, to, 1);
3323 return from ? getSubpathsAtLength(a, from).end : a;
3326 * Element.getTotalLength
3329 * Returns length of the path in pixels. Only works for element of “path” type.
3332 elproto.getTotalLength = function () {
3333 if (this.type != "path") {return;}
3334 if (this.node.getTotalLength) {
3335 return this.node.getTotalLength();
3337 return getTotalLength(this.attrs.path);
3340 * Element.getPointAtLength
3343 * Return coordinates of the point located at the given length on the given path. Only works for element of “path” type.
3349 = (object) representation of the point:
3351 o x: (number) x coordinate
3352 o y: (number) y coordinate
3353 o alpha: (number) angle of derivative
3356 elproto.getPointAtLength = function (length) {
3357 if (this.type != "path") {return;}
3358 return getPointAtLength(this.attrs.path, length);
3361 * Element.getSubpath
3364 * Return subpath of a given element from given length to given length. Only works for element of “path” type.
3368 - from (number) position of the start of the segment
3369 - to (number) position of the end of the segment
3371 = (string) pathstring for the segment
3373 elproto.getSubpath = function (from, to) {
3374 if (this.type != "path") {return;}
3375 return R.getSubpath(this.attrs.path, from, to);
3378 * Raphael.easing_formulas
3381 * Object that contains easing formulas for animation. You could extend it with your own. By default it has following list of easing:
3384 # <li>“<” or “easeIn” or “ease-in”</li>
3385 # <li>“>” or “easeOut” or “ease-out”</li>
3386 # <li>“<>” or “easeInOut” or “ease-in-out”</li>
3387 # <li>“backIn” or “back-in”</li>
3388 # <li>“backOut” or “back-out”</li>
3389 # <li>“elastic”</li>
3392 # <p>See also <a href="http://raphaeljs.com/easing.html">Easing demo</a>.</p>
3394 var ef = R.easing_formulas = {
3395 linear: function (n) {
3404 "<>": function (n) {
3405 var q = .48 - n / 1.04,
3406 Q = math.sqrt(.1734 + q * q),
3408 X = pow(abs(x), 1 / 3) * (x < 0 ? -1 : 1),
3410 Y = pow(abs(y), 1 / 3) * (y < 0 ? -1 : 1),
3412 return (1 - t) * 3 * t * t + t * t * t;
3414 backIn: function (n) {
3416 return n * n * ((s + 1) * n - s);
3418 backOut: function (n) {
3421 return n * n * ((s + 1) * n + s) + 1;
3423 elastic: function (n) {
3427 return pow(2, -10 * n) * math.sin((n - .075) * (2 * PI) / .3) + 1;
3429 bounce: function (n) {
3438 l = s * n * n + .75;
3440 if (n < (2.5 / p)) {
3442 l = s * n * n + .9375;
3445 l = s * n * n + .984375;
3452 ef.easeIn = ef["ease-in"] = ef["<"];
3453 ef.easeOut = ef["ease-out"] = ef[">"];
3454 ef.easeInOut = ef["ease-in-out"] = ef["<>"];
3455 ef["back-in"] = ef.backIn;
3456 ef["back-out"] = ef.backOut;
3458 var animationElements = [],
3459 requestAnimFrame = window.requestAnimationFrame ||
3460 window.webkitRequestAnimationFrame ||
3461 window.mozRequestAnimationFrame ||
3462 window.oRequestAnimationFrame ||
3463 window.msRequestAnimationFrame ||
3464 function (callback) {
3465 setTimeout(callback, 16);
3467 animation = function () {
3468 var Now = +new Date,
3470 for (; l < animationElements.length; l++) {
3471 var e = animationElements[l];
3472 if (e.el.removed || e.paused) {
3475 var time = Now - e.start,
3488 time = (e.initstatus * e.anim.top - e.prev) / (e.percent - e.prev) * ms;
3489 e.status = e.initstatus;
3490 delete e.initstatus;
3491 e.stop && animationElements.splice(l--, 1);
3493 e.status = (e.prev + (e.percent - e.prev) * (time / ms)) / e.anim.top;
3499 var pos = easing(time / ms);
3500 for (var attr in from) if (from[has](attr)) {
3501 switch (availableAnimAttrs[attr]) {
3503 now = +from[attr] + pos * ms * diff[attr];
3507 upto255(round(from[attr].r + pos * ms * diff[attr].r)),
3508 upto255(round(from[attr].g + pos * ms * diff[attr].g)),
3509 upto255(round(from[attr].b + pos * ms * diff[attr].b))
3514 for (var i = 0, ii = from[attr].length; i < ii; i++) {
3515 now[i] = [from[attr][i][0]];
3516 for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
3517 now[i][j] = +from[attr][i][j] + pos * ms * diff[attr][i][j];
3519 now[i] = now[i].join(S);
3524 if (diff[attr].real) {
3526 for (i = 0, ii = from[attr].length; i < ii; i++) {
3527 now[i] = [from[attr][i][0]];
3528 for (j = 1, jj = from[attr][i].length; j < jj; j++) {
3529 now[i][j] = from[attr][i][j] + pos * ms * diff[attr][i][j];
3533 var get = function (i) {
3534 return +from[attr][i] + pos * ms * diff[attr][i];
3536 // now = [["r", get(2), 0, 0], ["t", get(3), get(4)], ["s", get(0), get(1), 0, 0]];
3537 now = [["m", get(0), get(1), get(2), get(3), get(4), get(5)]];
3541 if (attr == "clip-rect") {
3545 now[i] = +from[attr][i] + pos * ms * diff[attr][i];
3550 var from2 = [][concat](from[attr]);
3552 i = that.paper.customAttributes[attr].length;
3554 now[i] = +from2[i] + pos * ms * diff[attr][i];
3561 (function (id, that, anim) {
3562 setTimeout(function () {
3563 eve("anim.frame." + id, that, anim);
3565 })(that.id, that, e.anim);
3567 (function(f, el, a) {
3568 setTimeout(function() {
3569 eve("anim.frame." + el.id, el, a);
3570 eve("anim.finish." + el.id, el, a);
3571 R.is(f, "function") && f.call(el);
3573 })(e.callback, that, e.anim);
3575 animationElements.splice(l--, 1);
3576 if (e.repeat > 1 && !e.next) {
3577 for (key in to) if (to[has](key)) {
3578 init[key] = e.totalOrigin[key];
3581 runAnimation(e.anim, e.el, e.anim.percents[0], null, e.totalOrigin, e.repeat - 1);
3583 if (e.next && !e.stop) {
3584 runAnimation(e.anim, e.el, e.next, null, e.totalOrigin, e.repeat);
3588 R.svg && that && that.paper && that.paper.safari();
3589 animationElements.length && requestAnimFrame(animation);
3591 upto255 = function (color) {
3592 return color > 255 ? 255 : color < 0 ? 0 : color;
3595 * Element.animateWith
3598 * Acts similar to @Element.animate, but ensure that given animation runs in sync with another given element.
3602 - element (object) element to sync with
3603 - anim (object) animation to sync with
3604 - params (object) #optional final attributes for the element, see also @Element.attr
3605 - ms (number) #optional number of milliseconds for animation to run
3606 - easing (string) #optional easing type. Accept on of @Raphael.easing_formulas or CSS format: `cubic‐bezier(XX, XX, XX, XX)`
3607 - callback (function) #optional callback function. Will be called at the end of animation.
3609 - element (object) element to sync with
3610 - anim (object) animation to sync with
3611 - animation (object) #optional animation object, see @Raphael.animation
3613 = (object) original element
3615 elproto.animateWith = function (element, anim, params, ms, easing, callback) {
3616 var a = params ? R.animation(params, ms, easing, callback) : anim,
3617 status = element.status(anim);
3618 return this.animate(a).status(a, status * anim.ms / a.ms);
3620 function CubicBezierAtTime(t, p1x, p1y, p2x, p2y, duration) {
3622 bx = 3 * (p2x - p1x) - cx,
3625 by = 3 * (p2y - p1y) - cy,
3627 function sampleCurveX(t) {
3628 return ((ax * t + bx) * t + cx) * t;
3630 function solve(x, epsilon) {
3631 var t = solveCurveX(x, epsilon);
3632 return ((ay * t + by) * t + cy) * t;
3634 function solveCurveX(x, epsilon) {
3635 var t0, t1, t2, x2, d2, i;
3636 for(t2 = x, i = 0; i < 8; i++) {
3637 x2 = sampleCurveX(t2) - x;
3638 if (abs(x2) < epsilon) {
3641 d2 = (3 * ax * t2 + 2 * bx) * t2 + cx;
3642 if (abs(d2) < 1e-6) {
3657 x2 = sampleCurveX(t2);
3658 if (abs(x2 - x) < epsilon) {
3666 t2 = (t1 - t0) / 2 + t0;
3670 return solve(t, 1 / (200 * duration));
3672 elproto.onAnimation = function (f) {
3673 f ? eve.on("anim.frame." + this.id, f) : eve.unbind("anim.frame." + this.id);
3676 function Animation(anim, ms) {
3682 for (var attr in anim) if (anim[has](attr)) {
3683 newAnim[toFloat(attr)] = anim[attr];
3684 percents.push(toFloat(attr));
3686 percents.sort(sortByNumber);
3688 this.anim = newAnim;
3689 this.top = percents[percents.length - 1];
3690 this.percents = percents;
3696 * Creates a copy of existing animation object with given delay.
3700 - delay (number) number of ms to pass between animation start and actual animation
3702 = (object) new altered Animation object
3703 | var anim = Raphael.animation({cx: 10, cy: 20}, 2e3);
3704 | circle1.animate(anim); // run the given animation immediately
3705 | circle2.animate(anim.delay(500)); // run the given animation after 500 ms
3707 Animation.prototype.delay = function (delay) {
3708 var a = new Animation(this.anim, this.ms);
3709 a.times = this.times;
3710 a.del = +delay || 0;
3717 * Creates a copy of existing animation object with given repetition.
3721 - repeat (number) number iterations of animation. For infinite animation pass `Infinity`
3723 = (object) new altered Animation object
3725 Animation.prototype.repeat = function (times) {
3726 var a = new Animation(this.anim, this.ms);
3728 a.times = math.floor(mmax(times, 0)) || 1;
3731 function runAnimation(anim, element, percent, status, totalOrigin, times) {
3732 percent = toFloat(percent);
3745 for (i = 0, ii = animationElements.length; i < ii; i++) {
3746 var e = animationElements[i];
3747 if (e.el.id == element.id && e.anim == anim) {
3748 if (e.percent != percent) {
3749 animationElements.splice(i, 1);
3754 element.attr(e.totalOrigin);
3759 status = +to; // NaN
3761 for (var i = 0, ii = anim.percents.length; i < ii; i++) {
3762 if (anim.percents[i] == percent || anim.percents[i] > status * anim.top) {
3763 percent = anim.percents[i];
3764 prev = anim.percents[i - 1] || 0;
3765 ms = ms / anim.top * (percent - prev);
3766 next = anim.percents[i + 1];
3767 params = anim.anim[percent];
3769 } else if (status) {
3770 element.attr(anim.anim[anim.percents[i]]);
3777 for (var attr in params) if (params[has](attr)) {
3778 if (availableAnimAttrs[has](attr) || element.paper.customAttributes[has](attr)) {
3779 from[attr] = element.attr(attr);
3780 (from[attr] == null) && (from[attr] = availableAttrs[attr]);
3781 to[attr] = params[attr];
3782 switch (availableAnimAttrs[attr]) {
3784 diff[attr] = (to[attr] - from[attr]) / ms;
3787 from[attr] = R.getRGB(from[attr]);
3788 var toColour = R.getRGB(to[attr]);
3790 r: (toColour.r - from[attr].r) / ms,
3791 g: (toColour.g - from[attr].g) / ms,
3792 b: (toColour.b - from[attr].b) / ms
3796 var pathes = path2curve(from[attr], to[attr]),
3798 from[attr] = pathes[0];
3800 for (i = 0, ii = from[attr].length; i < ii; i++) {
3801 diff[attr][i] = [0];
3802 for (var j = 1, jj = from[attr][i].length; j < jj; j++) {
3803 diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
3809 eq = equaliseTransform(_[attr], to[attr]);
3811 from[attr] = eq.from;
3814 diff[attr].real = true;
3815 for (i = 0, ii = from[attr].length; i < ii; i++) {
3816 diff[attr][i] = [from[attr][i][0]];
3817 for (j = 1, jj = from[attr][i].length; j < jj; j++) {
3818 diff[attr][i][j] = (to[attr][i][j] - from[attr][i][j]) / ms;
3822 var m = (element.matrix || new Matrix),
3824 _: {transform: _.transform},
3825 getBBox: function () {
3826 return element.getBBox(1);
3837 extractTransform(to2, to[attr]);
3838 to[attr] = to2._.transform;
3840 (to2.matrix.a - m.a) / ms,
3841 (to2.matrix.b - m.b) / ms,
3842 (to2.matrix.c - m.c) / ms,
3843 (to2.matrix.d - m.d) / ms,
3844 (to2.matrix.e - m.e) / ms,
3845 (to2.matrix.e - m.f) / ms
3847 // from[attr] = [_.sx, _.sy, _.deg, _.dx, _.dy];
3848 // var to2 = {_:{}, getBBox: function () { return element.getBBox(); }};
3849 // extractTransform(to2, to[attr]);
3851 // (to2._.sx - _.sx) / ms,
3852 // (to2._.sy - _.sy) / ms,
3853 // (to2._.deg - _.deg) / ms,
3854 // (to2._.dx - _.dx) / ms,
3855 // (to2._.dy - _.dy) / ms
3860 var values = Str(params[attr])[split](separator),
3861 from2 = Str(from[attr])[split](separator);
3862 if (attr == "clip-rect") {
3867 diff[attr][i] = (values[i] - from[attr][i]) / ms;
3873 values = [][concat](params[attr]);
3874 from2 = [][concat](from[attr]);
3876 i = element.paper.customAttributes[attr].length;
3878 diff[attr][i] = ((values[i] || 0) - (from2[i] || 0)) / ms;
3884 var easing = params.easing,
3885 easyeasy = R.easing_formulas[easing];
3887 easyeasy = Str(easing).match(bezierrg);
3888 if (easyeasy && easyeasy.length == 5) {
3889 var curve = easyeasy;
3890 easyeasy = function (t) {
3891 return CubicBezierAtTime(t, +curve[1], +curve[2], +curve[3], +curve[4], ms);
3897 timestamp = params.start || anim.start || +new Date;
3901 timestamp: timestamp,
3902 start: timestamp + (anim.del || 0),
3904 initstatus: status || 0,
3912 callback: params.callback,
3915 repeat: times || anim.times,
3916 origin: element.attr(),
3917 totalOrigin: totalOrigin
3919 animationElements.push(e);
3920 if (status && !isInAnim && !isInAnimSet) {
3922 e.start = new Date - ms * status;
3923 if (animationElements.length == 1) {
3928 e.start = new Date - e.ms * status;
3930 animationElements.length == 1 && requestAnimFrame(animation);
3932 isInAnim.initstatus = status;
3933 isInAnim.start = new Date - isInAnim.ms * status;
3935 eve("anim.start." + element.id, element, anim);
3941 * Creates an animation object that can be passed to the @Element.animate or @Element.animateWith methods.
3942 * See also @Animation.delay and @Animation.repeat methods.
3946 - params (object) final attributes for the element, see also @Element.attr
3947 - ms (number) number of milliseconds for animation to run
3948 - easing (string) #optional easing type. Accept one of @Raphael.easing_formulas or CSS format: `cubic‐bezier(XX, XX, XX, XX)`
3949 - callback (function) #optional callback function. Will be called at the end of animation.
3951 = (object) @Animation
3953 R.animation = function (params, ms, easing, callback) {
3954 if (params instanceof Animation) {
3957 if (R.is(easing, "function") || !easing) {
3958 callback = callback || easing || null;
3961 params = Object(params);
3966 for (attr in params) if (params[has](attr) && toFloat(attr) != attr && toFloat(attr) + "%" != attr) {
3968 p[attr] = params[attr];
3971 return new Animation(params, ms);
3973 easing && (p.easing = easing);
3974 callback && (p.callback = callback);
3975 return new Animation({100: p}, ms);
3982 * Creates and starts animation for given element.
3986 - params (object) final attributes for the element, see also @Element.attr
3987 - ms (number) number of milliseconds for animation to run
3988 - easing (string) #optional easing type. Accept one of @Raphael.easing_formulas or CSS format: `cubic‐bezier(XX, XX, XX, XX)`
3989 - callback (function) #optional callback function. Will be called at the end of animation.
3991 - animation (object) animation object, see @Raphael.animation
3993 = (object) original element
3995 elproto.animate = function (params, ms, easing, callback) {
3997 if (element.removed) {
3998 callback && callback.call(element);
4001 var anim = params instanceof Animation ? params : R.animation(params, ms, easing, callback);
4002 runAnimation(anim, element, anim.percents[0], null, element.attr());
4009 * Sets the status of animation of the element in milliseconds. Similar to @Element.status method.
4013 - anim (object) animation object
4014 - value (number) number of milliseconds from the beginning of the animation
4016 = (object) original element if `value` is specified
4017 * Note, that during animation following events are triggered:
4019 * On each animation frame event `anim.frame.<id>`, on start `anim.start.<id>` and on end `anim.finish.<id>`.
4021 elproto.setTime = function (anim, value) {
4022 if (anim && value != null) {
4023 this.status(anim, mmin(value, anim.ms) / anim.ms);
4031 * Gets or sets the status of animation of the element.
4035 - anim (object) #optional animation object
4036 - value (number) #optional 0 – 1. If specified, method works like a setter and sets the status of a given animation to the value. This will cause animation to jump to the given position.
4040 = (array) status if `anim` is not specified. Array of objects in format:
4042 o anim: (object) animation object
4043 o status: (number) status
4046 = (object) original element if `value` is specified
4048 elproto.status = function (anim, value) {
4053 if (value != null) {
4054 runAnimation(anim, this, -1, mmin(value, 1));
4057 len = animationElements.length;
4058 for (; i < len; i++) {
4059 e = animationElements[i];
4060 if (e.el.id == this.id && (!anim || e.anim == anim)) {
4080 * Stops animation of the element with ability to resume it later on.
4084 - anim (object) #optional animation object
4086 = (object) original element
4088 elproto.pause = function (anim) {
4089 for (var i = 0; i < animationElements.length; i++) if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
4090 if (eve("anim.pause." + this.id, this, animationElements[i].anim) !== false) {
4091 animationElements[i].paused = true;
4100 * Resumes animation if it was paused with @Element.pause method.
4104 - anim (object) #optional animation object
4106 = (object) original element
4108 elproto.resume = function (anim) {
4109 for (var i = 0; i < animationElements.length; i++) if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
4110 var e = animationElements[i];
4111 if (eve("anim.resume." + this.id, this, e.anim) !== false) {
4113 this.status(e.anim, e.status);
4122 * Stops animation of the element.
4126 - anim (object) #optional animation object
4128 = (object) original element
4130 elproto.stop = function (anim) {
4131 for (var i = 0; i < animationElements.length; i++) if (animationElements[i].el.id == this.id && (!anim || animationElements[i].anim == anim)) {
4132 if (eve("anim.stop." + this.id, this, animationElements[i].anim) !== false) {
4133 animationElements.splice(i--, 1);
4138 elproto.toString = function () {
4139 return "Rapha\xebl\u2019s object";
4143 var Set = function (items) {
4148 for (var i = 0, ii = items.length; i < ii; i++) {
4149 if (items[i] && (items[i].constructor == elproto.constructor || items[i].constructor == Set)) {
4150 this[this.items.length] = this.items[this.items.length] = items[i];
4156 setproto = Set.prototype;
4161 * Adds each argument to the current set.
4162 = (object) original element
4164 setproto.push = function () {
4167 for (var i = 0, ii = arguments.length; i < ii; i++) {
4168 item = arguments[i];
4169 if (item && (item.constructor == elproto.constructor || item.constructor == Set)) {
4170 len = this.items.length;
4171 this[len] = this.items[len] = item;
4181 * Removes last element and returns it.
4184 setproto.pop = function () {
4185 this.length && delete this[this.length--];
4186 return this.items.pop();
4192 * Executes given function for each element in the set.
4194 * If function returns `false` it will stop loop running.
4198 - callback (function) function to run
4199 - thisArg (object) context object for the callback
4200 = (object) Set object
4202 setproto.forEach = function (callback, thisArg) {
4203 for (var i = 0, ii = this.items.length; i < ii; i++) {
4204 if (callback.call(thisArg, this.items[i], i) === false) {
4210 for (var method in elproto) if (elproto[has](method)) {
4211 setproto[method] = (function (methodname) {
4212 return function () {
4213 var arg = arguments;
4214 return this.forEach(function (el) {
4215 el[methodname][apply](el, arg);
4220 setproto.attr = function (name, value) {
4221 if (name && R.is(name, array) && R.is(name[0], "object")) {
4222 for (var j = 0, jj = name.length; j < jj; j++) {
4223 this.items[j].attr(name[j]);
4226 for (var i = 0, ii = this.items.length; i < ii; i++) {
4227 this.items[i].attr(name, value);
4236 * Removeds all elements from the set
4238 setproto.clear = function () {
4239 while (this.length) {
4247 * Removes given element from the set
4251 - index (number) position of the deletion
4252 - count (number) number of element to remove
4253 - insertion… (object) #optional elements to insert
4254 = (object) set elements that were deleted
4256 setproto.splice = function (index, count, insertion) {
4257 index = index < 0 ? mmax(this.length + index, 0) : index;
4258 count = mmax(0, mmin(this.length - index, count));
4263 for (i = 2; i < arguments.length; i++) {
4264 args.push(arguments[i]);
4266 for (i = 0; i < count; i++) {
4267 todel.push(this[index + i]);
4269 for (; i < this.length - index; i++) {
4270 tail.push(this[index + i]);
4272 var arglen = args.length;
4273 for (i = 0; i < arglen + tail.length; i++) {
4274 this.items[index + i] = this[index + i] = i < arglen ? args[i] : tail[i - arglen];
4276 i = this.items.length = this.length -= count - arglen;
4280 return new Set(todel);
4286 * Removes given element from the set
4290 - element (object) element to remove
4291 = (boolean) `true` if object was found & removed from the set
4293 setproto.exclude = function (el) {
4294 for (var i = 0, ii = this.length; i < ii; i++) if (this[i] == el) {
4299 setproto.animate = function (params, ms, easing, callback) {
4300 (R.is(easing, "function") || !easing) && (callback = easing || null);
4301 var len = this.items.length,
4309 callback && (collector = function () {
4310 !--len && callback.call(set);
4312 easing = R.is(easing, string) ? easing : collector;
4313 var anim = R.animation(params, ms, easing, collector);
4314 item = this.items[--i].animate(anim);
4316 this.items[i] && !this.items[i].removed && this.items[i].animateWith(item, anim);
4320 setproto.insertAfter = function (el) {
4321 var i = this.items.length;
4323 this.items[i].insertAfter(el);
4327 setproto.getBBox = function () {
4332 for (var i = this.items.length; i--;) if (!this.items[i].removed) {
4333 var box = this.items[i].getBBox();
4336 w.push(box.x + box.width);
4337 h.push(box.y + box.height);
4339 x = mmin[apply](0, x);
4340 y = mmin[apply](0, y);
4344 width: mmax[apply](0, w) - x,
4345 height: mmax[apply](0, h) - y
4348 setproto.clone = function (s) {
4350 for (var i = 0, ii = this.items.length; i < ii; i++) {
4351 s.push(this.items[i].clone());
4355 setproto.toString = function () {
4356 return "Rapha\xebl\u2018s set";
4360 * Raphael.registerFont
4363 * Adds given font to the registered set of fonts for Raphaël. Should be used as an internal call from within Cufón’s font file.
4364 * Returns original parameter, so it could be used with chaining.
4365 # <a href="http://wiki.github.com/sorccu/cufon/about">More about Cufón and how to convert your font form TTF, OTF, etc to JavaScript file.</a>
4369 - font (object) the font to register
4370 = (object) the font you passed in
4372 | Cufon.registerFont(Raphael.registerFont({…}));
4374 R.registerFont = function (font) {
4378 this.fonts = this.fonts || {};
4384 family = font.face["font-family"];
4385 for (var prop in font.face) if (font.face[has](prop)) {
4386 fontcopy.face[prop] = font.face[prop];
4388 if (this.fonts[family]) {
4389 this.fonts[family].push(fontcopy);
4391 this.fonts[family] = [fontcopy];
4394 fontcopy.face["units-per-em"] = toInt(font.face["units-per-em"], 10);
4395 for (var glyph in font.glyphs) if (font.glyphs[has](glyph)) {
4396 var path = font.glyphs[glyph];
4397 fontcopy.glyphs[glyph] = {
4400 d: path.d && "M" + path.d.replace(/[mlcxtrv]/g, function (command) {
4401 return {l: "L", c: "C", x: "z", t: "m", r: "l", v: "c"}[command] || "M";
4405 for (var k in path.k) if (path[has](k)) {
4406 fontcopy.glyphs[glyph].k[k] = path.k[k];
4417 * Finds font object in the registered fonts by given parameters. You could specify only one word from the font name, like “Myriad” for “Myriad Pro”.
4421 - family (string) font family name or any word from it
4422 - weight (string) #optional font weight
4423 - style (string) #optional font style
4424 - stretch (string) #optional font stretch
4425 = (object) the font object
4427 | paper.print(100, 100, "Test string", paper.getFont("Times", 800), 30);
4429 paperproto.getFont = function (family, weight, style, stretch) {
4430 stretch = stretch || "normal";
4431 style = style || "normal";
4432 weight = +weight || {normal: 400, bold: 700, lighter: 300, bolder: 800}[weight] || 400;
4436 var font = R.fonts[family];
4438 var name = new RegExp("(^|\\s)" + family.replace(/[^\w\d\s+!~.:_-]/g, E) + "(\\s|$)", "i");
4439 for (var fontName in R.fonts) if (R.fonts[has](fontName)) {
4440 if (name.test(fontName)) {
4441 font = R.fonts[fontName];
4448 for (var i = 0, ii = font.length; i < ii; i++) {
4450 if (thefont.face["font-weight"] == weight && (thefont.face["font-style"] == style || !thefont.face["font-style"]) && thefont.face["font-stretch"] == stretch) {
4461 * Creates set of shapes to represent given font at given position with given size.
4462 * Result of the method is set object (see @Paper.set) which contains each letter as separate path object.
4466 - x (number) x position of the text
4467 - y (number) y position of the text
4468 - text (string) text to print
4469 - font (object) font object, see @Paper.getFont
4470 - size (number) #optional size of the font, default is `16`
4471 - origin (string) #optional could be `"baseline"` or `"middle"`, default is `"middle"`
4472 - letter_spacing (number) #optional number in range `-1..1`, default is `0`
4473 = (object) resulting set of letters
4475 | var txt = r.print(10, 50, "print", r.getFont("Museo"), 30).attr({fill: "#fff"});
4476 | // following line will paint first letter in red
4477 | txt[0].attr({fill: "#f00"});
4479 paperproto.print = function (x, y, string, font, size, origin, letter_spacing) {
4480 origin = origin || "middle"; // baseline|middle
4481 letter_spacing = mmax(mmin(letter_spacing || 0, 1), -1);
4482 var out = this.set(),
4483 letters = Str(string)[split](E),
4487 R.is(font, string) && (font = this.getFont(font));
4489 scale = (size || 16) / font.face["units-per-em"];
4490 var bb = font.face.bbox[split](separator),
4492 height = +bb[1] + (origin == "baseline" ? bb[3] - bb[1] + (+font.face.descent) : (bb[3] - bb[1]) / 2);
4493 for (var i = 0, ii = letters.length; i < ii; i++) {
4494 var prev = i && font.glyphs[letters[i - 1]] || {},
4495 curr = font.glyphs[letters[i]];
4496 shift += i ? (prev.w || font.w) + (prev.k && prev.k[letters[i]] || 0) + (font.w * letter_spacing) : 0;
4497 curr && curr.d && out.push(this.path(curr.d).attr({
4500 transform: [["t", shift * scale, 0]]
4503 out.transform(["...s", scale, scale, top, height, "t", (x - top) / scale, (y - height) / scale]);
4512 * Imports elements in JSON array in format `{type: type, <attributes>}`
4517 = (object) resulting set of imported elements
4536 paperproto.add = function (json) {
4537 if (R.is(json, "array")) {
4538 var res = this.set(),
4542 for (; i < ii; i++) {
4544 elements[has](j.type) && res.push(this[j.type]().attr(j));
4554 * Simple format function. Replaces construction of type “`{<number>}`” to the corresponding argument.
4558 - token (string) string to format
4559 - … (string) rest of arguments will be treated as parameters for replacement
4560 = (string) formated string
4566 | // this will draw a rectangular shape equivalent to "M10,20h40v50h-40z"
4567 | paper.path(Raphael.format("M{1},{2}h{3}v{4}h{5}z", x, y, width, height, -width));
4569 R.format = function (token, params) {
4570 var args = R.is(params, array) ? [0][concat](params) : arguments;
4571 token && R.is(token, string) && args.length - 1 && (token = token.replace(formatrg, function (str, i) {
4572 return args[++i] == null ? E : args[i];
4580 * A little bit more advanced format function than @Raphael.format. Replaces construction of type “`{<name>}`” to the corresponding argument.
4584 - token (string) string to format
4585 - json (object) object which properties will be used as a replacement
4586 = (string) formated string
4588 | // this will draw a rectangular shape equivalent to "M10,20h40v50h-40z"
4589 | paper.path(Raphael.format("M{x},{y}h{dim.width}v{dim.height}h{dim['negative width']}z", {
4595 | "negative width": -40
4599 R.fullfill = (function () {
4600 var tokenRegex = /\{([^\}]+)\}/g,
4601 objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g, // matches .xxxxx or ["xxxxx"] to run over object properties
4602 replacer = function (all, key, obj) {
4604 key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) {
4605 name = name || quotedName;
4610 typeof res == "function" && isFunc && (res = res());
4613 res = (res == null || res == obj ? all : res) + "";
4616 return function (str, obj) {
4617 return String(str).replace(tokenRegex, function (all, key) {
4618 return replacer(all, key, obj);
4626 * If you want to leave no trace of Raphaël (Well, Raphaël creates only one global variable `Raphael`, but anyway.) You can use `ninja` method.
4627 * Beware, that in this case plugins could stop working, because they are depending on global variable existance.
4629 = (object) Raphael object
4631 | (function (local_raphael) {
4632 | var paper = local_raphael(10, 10, 320, 200);
4634 | })(Raphael.ninja());
4636 R.ninja = function () {
4637 oldRaphael.was ? (g.win.Raphael = oldRaphael.is) : delete Raphael;
4642 [ property (object) ]
4644 * You can add your own method to elements and sets. It is wise to add a set method for each element method
4645 * you added, so you will be able to call the same method on sets too.
4647 * See also @Raphael.el.
4649 | Raphael.el.red = function () {
4650 | this.attr({fill: "#f00"});
4652 | Raphael.st.red = function () {
4653 | this.forEach(function () {
4658 | paper.set(paper.circle(100, 100, 20), paper.circle(110, 100, 20)).red();
4661 // Firefox <3.6 fix: http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html
4662 (function (doc, loaded, f) {
4663 if (doc.readyState == null && doc.addEventListener){
4664 doc.addEventListener(loaded, f = function () {
4665 doc.removeEventListener(loaded, f, false);
4666 doc.readyState = "complete";
4668 doc.readyState = "loading";
4670 function isLoaded() {
4671 (/in/).test(doc.readyState) ? setTimeout(isLoaded, 9) : R.eve("DOMload");
4674 })(document, "DOMContentLoaded");
4676 oldRaphael.was ? (g.win.Raphael = R) : (Raphael = R);
4678 eve.on("DOMload", function () {