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/**
* jQuery Color Animations
* Copyright 2007 John Resig
* Released under the MIT and GPL licenses.
*
* - 2011-01-05: Modified by Krinkle to use the jQuery.colorUtil plugin (which has to be loaded first!)
*/
(function( $ ) {
// We override the animation for all of these color styles
$.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'],
function( i, attr ) {
$.fx.step[attr] = function( fx ) {
if ( fx.state == 0 ) {
fx.start = getColor( fx.elem, attr );
fx.end = $.colorUtil.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( ',' ) + ')';
}
}
);
function getColor(elem, attr) {
var color;
do {
color = $.curCSS(elem, attr);
// Keep going until we find an element that has color, or we hit the body
if ( color != '' && color != 'transparent' || $.nodeName(elem, 'body') )
break;
attr = 'backgroundColor';
} while ( elem = elem.parentNode );
return $.colorUtil.getRGB(color);
};
} )( jQuery );
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