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/*
* jQuery Color Animations
* Copyright 2007 John Resig
* Released under the MIT and GPL licenses.
*/
(function(jQuery){
// We override the animation for all of these color styles
jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function(i,attr){
jQuery.fx.step[attr] = function(fx){
if ( fx.state == 0 ) {
fx.start = getColor( fx.elem, attr );
fx.end = getRGB( fx.end );
}
fx.elem.style[attr] = "rgb(" + [
Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
].join(",") + ")";
}
});
// Color Conversion functions from highlightFade
// By Blair Mitchelmore
// http://jquery.offput.ca/highlightFade/
// Parse strings looking for color tuples [255,255,255]
function getRGB(color) {
var result;
// Check if we're already dealing with an array of colors
if ( color && color.constructor == Array && color.length == 3 )
return color;
// Look for rgb(num,num,num)
if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];
// Look for rgb(num%,num%,num%)
if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
return [parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];
// Look for #a0b1c2
if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)];
// Look for #fff
if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)];
// Otherwise, we're most likely dealing with a named color
return colors[jQuery.trim(color).toLowerCase()];
}
function getColor(elem, attr) {
var color;
do {
color = jQuery.curCSS(elem, attr);
// Keep going until we find an element that has color, or we hit the body
if ( color != '' && color != 'transparent' || jQuery.nodeName(elem, "body") )
break;
attr = "backgroundColor";
} while ( elem = elem.parentNode );
return getRGB(color);
};
})(jQuery);
jQuery.fn.extend({
colorChange: function(speed) {
if (!speed){speed = 4000;}
return this.each(function() {
function colorizer()
{
var color = 'rgb(' + (Math.floor(Math.random() * 256)) + ',' + (Math.floor(Math.random() * 256)) + ',' + (Math.floor(Math.random() * 256)) + ')';
return color;
}
jQuery(this).animate({backgroundColor: colorizer()}, speed, function() {jQuery(this).colorChange()})});}
});
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@patrickdevivo patrickdevivo commented May 1, 2010

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