2 * Raphael Shadow plugin 0.3
4 * Copyright (c) 2008 - 2009 Dmitry Baranovskiy (http://raphaeljs.com)
5 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
7 Raphael.shadow = function (x, y, w, h, options) {
9 // size: 0..1, shadow size
10 // color: "#000", placeholder colour
11 // stroke: "#000", placeholder stroke colour
12 // shadow: "#000", shadow colour
13 // target: "someID" | htmlElement
14 // r: 5, radius of placeholder rounded corners
16 options = options || {};
17 var t = ~~(size * .3 + .5),
18 size = (options.size || 1) * 10,
19 color = options.color || "#fff",
20 stroke = options.stroke || color,
21 shadowColor = options.shadow || "#000",
22 target = options.target || null,
23 R = options.r == null ? 3 : options.r,
27 rg = this.format("r{0}-{0}", shadowColor),
34 res = this(target, w + (x = s) * 2, h + (y = t) + b);
36 res = this(x - s, y - t, w + (x = s) * 2, h + (y = t) + b);
40 res.rect(x - s, y - t, b + s, h + y + b).attr({stroke: none, fill: this.format("180-{0}-{0}", shadowColor), opacity: 0, "clip-rect": [x - s + 1, y - t + r, b, h + y + b - r * 2 + .9]}),
41 res.rect(x + w - b, y - t, b + s, h + y + b).attr({stroke: none, fill: this.format("0-{0}-{0}", shadowColor), opacity: 0, "clip-rect": [x + w - s + 1, y - t + r, b, h + y + b - r * 2]}),
42 res.rect(x + b - 1, y + h - s, w + b, b + s).attr({stroke: none, fill: this.format("270-{0}-{0}", shadowColor), opacity: 0, "clip-rect": [x + b, y + h - s, w + b - r * 2, b + s]}),
43 res.rect(x + s - 1, y - t, w + b, b + s).attr({stroke: none, fill: this.format("90-{0}-{0}", shadowColor), opacity: 0, "clip-rect": [x + b, y - t, w + b - r * 2, s + t + 1]}),
44 res.circle(x + b, y + h - s, r).attr({stroke: none, fill: rg, opacity: 0, "clip-rect": [x - s, y + h - s + .999, r, r]}),
45 res.circle(x + w - b, y + h - s, r).attr({stroke: none, fill: rg, opacity: 0, "clip-rect": [x + w - b, y + h - s, r, r]}),
46 res.circle(x + b, y - t + r, r).attr({stroke: none, fill: rg, opacity: 0, "clip-rect": [x - s, y - t, r, r]}),
47 res.circle(x + w - b, y - t + r, r).attr({stroke: none, fill: rg, opacity: 0, "clip-rect": [x + w - b, y - t, r, r]}),
48 res.rect(x, y, w, h, R).attr({fill: color, stroke: stroke})