2 * jQuery Color Animations
3 * Copyright 2007 John Resig
4 * Released under the MIT and GPL licenses.
9 // We override the animation for all of these color styles
10 jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
11 jQuery.fx.step[attr] = function(fx){
12 if ( fx.state == 0 ) {
13 fx.start = getColor( fx.elem, attr );
14 fx.end = getRGB( fx.end );
17 fx.elem.style[attr] = "rgb(" + [
18 Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
19 Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
20 Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
25 // Color Conversion functions from highlightFade
26 // By Blair Mitchelmore
27 // http://jquery.offput.ca/highlightFade/
29 // Parse strings looking for color tuples [255,255,255]
30 function getRGB(color) {
33 // Check if we're already dealing with an array of colors
34 if ( color && color.constructor == Array && color.length == 3 )
37 // Look for rgb(num,num,num)
38 if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
39 return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];
41 // Look for rgb(num%,num%,num%)
42 if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
43 return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];
46 if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
47 return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];
50 if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
51 return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];
53 // Look for rgba(0, 0, 0, 0) == transparent in Safari 3
54 if (result = /rgba\(0, 0, 0, 0\)/.exec(color))
55 return colors['transparent']
57 // Otherwise, we're most likely dealing with a named color
58 return colors[jQuery.trim(color).toLowerCase()];
61 function getColor(elem, attr) {
65 color = jQuery.curCSS(elem, attr);
67 // Keep going until we find an element that has color, or we hit the body
68 if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
71 attr = "backgroundColor";
72 } while ( elem = elem.parentNode );
77 // Some named colors to work with
78 // From Interface by Stefan Petre
79 // http://interface.eyecon.ro/
91 darkgrey:[169,169,169],
93 darkkhaki:[189,183,107],
94 darkmagenta:[139,0,139],
95 darkolivegreen:[85,107,47],
96 darkorange:[255,140,0],
97 darkorchid:[153,50,204],
99 darksalmon:[233,150,122],
100 darkviolet:[148,0,211],
106 lightblue:[173,216,230],
107 lightcyan:[224,255,255],
108 lightgreen:[144,238,144],
109 lightgrey:[211,211,211],
110 lightpink:[255,182,193],
111 lightyellow:[255,255,224],
122 silver:[192,192,192],
125 transparent: [255,255,255]