https://www.vesenni.ru/includes/jquery/lightbox/js/jquery.color.js

1/*
2 * jQuery Color Animations
3 * Copyright 2007 John Resig
4 * Released under the MIT and GPL licenses.
5 */
6
7(function(jQuery){
8
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 );
15            }
16
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)
21            ].join(",") + ")";
22        }
23    });
24
25    // Color Conversion functions from highlightFade
26    // By Blair Mitchelmore
27    // http://jquery.offput.ca/highlightFade/
28
29    // Parse strings looking for color tuples [255,255,255]
30    function getRGB(color) {
31        var result;
32
33        // Check if we're already dealing with an array of colors
34        if ( color && color.constructor == Array && color.length == 3 )
35            return color;
36
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])];
40
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];
44
45        // Look for #a0b1c2
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)];
48
49        // Look for #fff
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)];
52
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'];
56
57        // Otherwise, we're most likely dealing with a named color
58        return colors[jQuery.trim(color).toLowerCase()];
59    }
60
61    function getColor(elem, attr) {
62        var color;
63
64        do {
65            color = jQuery.curCSS(elem, attr);
66
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") )
69                break;
70
71            attr = "backgroundColor";
72        } while ( elem = elem.parentNode );
73
74        return getRGB(color);
75    };
76
77    // Some named colors to work with
78    // From Interface by Stefan Petre
79    // http://interface.eyecon.ro/
80
81    var colors = {
82        aqua:[0,255,255],
83        azure:[240,255,255],
84        beige:[245,245,220],
85        black:[0,0,0],
86        blue:[0,0,255],
87        brown:[165,42,42],
88        cyan:[0,255,255],
89        darkblue:[0,0,139],
90        darkcyan:[0,139,139],
91        darkgrey:[169,169,169],
92        darkgreen:[0,100,0],
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],
98        darkred:[139,0,0],
99        darksalmon:[233,150,122],
100        darkviolet:[148,0,211],
101        fuchsia:[255,0,255],
102        gold:[255,215,0],
103        green:[0,128,0],
104        indigo:[75,0,130],
105        khaki:[240,230,140],
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],
112        lime:[0,255,0],
113        magenta:[255,0,255],
114        maroon:[128,0,0],
115        navy:[0,0,128],
116        olive:[128,128,0],
117        orange:[255,165,0],
118        pink:[255,192,203],
119        purple:[128,0,128],
120        violet:[128,0,128],
121        red:[255,0,0],
122        silver:[192,192,192],
123        white:[255,255,255],
124        yellow:[255,255,0],

125        transparent: [255,255,255]
126    };
127
128})(jQuery);