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color.js
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color.js
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(function($) {
var colornames = {
aliceblue: { r:240, g:248, b:255 },
antiquewhite: { r:250, g:235, b:215 },
aqua: { r:0, g:255, b:255 },
aquamarine: { r:127, g:255, b:212 },
azure: { r:240, g:255, b:255 },
beige: { r:245, g:245, b:220 },
bisque: { r:255, g:228, b:196 },
black: { r:0, g:0, b:0 },
blanchedalmond: { r:255, g:235, b:205 },
blue: { r:0, g:0, b:255 },
blueviolet: { r:138, g:43, b:226 },
brown: { r:165, g:42, b:42 },
burlywood: { r:222, g:184, b:135 },
cadetblue: { r:95, g:158, b:160 },
chartreuse: { r:127, g:255, b:0 },
chocolate: { r:210, g:105, b:30 },
coral: { r:255, g:127, b:80 },
cornflowerblue: { r:100, g:149, b:237 },
cornsilk: { r:255, g:248, b:220 },
crimson: { r:220, g:20, b:60 },
cyan: { r:0, g:255, b:255 },
darkblue: { r:0, g:0, b:139 },
darkcyan: { r:0, g:139, b:139 },
darkgoldenrod: { r:184, g:134, b:11 },
darkgray: { r:169, g:169, b:169 },
darkgreen: { r:0, g:100, b:0 },
darkgrey: { r:169, g:169, b:169 },
darkkhaki: { r:189, g:183, b:107 },
darkmagenta: { r:139, g:0, b:139 },
darkolivegreen: { r:85, g:107, b:47 },
darkorange: { r:255, g:140, b:0 },
darkorchid: { r:153, g:50, b:204 },
darkred: { r:139, g:0, b:0 },
darksalmon: { r:233, g:150, b:122 },
darkseagreen: { r:143, g:188, b:143 },
darkslateblue: { r:72, g:61, b:139 },
darkslategray: { r:47, g:79, b:79 },
darkslategrey: { r:47, g:79, b:79 },
darkturquoise: { r:0, g:206, b:209 },
darkviolet: { r:148, g:0, b:211 },
deeppink: { r:255, g:20, b:147 },
deepskyblue: { r:0, g:191, b:255 },
dimgray: { r:105, g:105, b:105 },
dimgrey: { r:105, g:105, b:105 },
dodgerblue: { r:30, g:144, b:255 },
firebrick: { r:178, g:34, b:34 },
floralwhite: { r:255, g:250, b:240 },
forestgreen: { r:34, g:139, b:34 },
fuchsia: { r:255, g:0, b:255 },
gainsboro: { r:220, g:220, b:220 },
ghostwhite: { r:248, g:248, b:255 },
gold: { r:255, g:215, b:0 },
goldenrod: { r:218, g:165, b:32 },
gray: { r:128, g:128, b:128 },
green: { r:0, g:128, b:0 },
greenyellow: { r:173, g:255, b:47 },
grey: { r:128, g:128, b:128 },
honeydew: { r:240, g:255, b:240 },
hotpink: { r:255, g:105, b:180 },
indianred: { r:205, g:92, b:92 },
indigo: { r:75, g:0, b:130 },
ivory: { r:255, g:255, b:240 },
khaki: { r:240, g:230, b:140 },
lavender: { r:230, g:230, b:250 },
lavenderblush: { r:255, g:240, b:245 },
lawngreen: { r:124, g:252, b:0 },
lemonchiffon: { r:255, g:250, b:205 },
lightblue: { r:173, g:216, b:230 },
lightcoral: { r:240, g:128, b:128 },
lightcyan: { r:224, g:255, b:255 },
lightgoldenrodyellow: { r:250, g:250, b:210 },
lightgray: { r:211, g:211, b:211 },
lightgreen: { r:144, g:238, b:144 },
lightgrey: { r:211, g:211, b:211 },
lightpink: { r:255, g:182, b:193 },
lightsalmon: { r:255, g:160, b:122 },
lightseagreen: { r:32, g:178, b:170 },
lightskyblue: { r:135, g:206, b:250 },
lightslategray: { r:119, g:136, b:153 },
lightslategrey: { r:119, g:136, b:153 },
lightsteelblue: { r:176, g:196, b:222 },
lightyellow: { r:255, g:255, b:224 },
lime: { r:0, g:255, b:0 },
limegreen: { r:50, g:205, b:50 },
linen: { r:250, g:240, b:230 },
magenta: { r:255, g:0, b:255 },
maroon: { r:128, g:0, b:0 },
mediumaquamarine: { r:102, g:205, b:170 },
mediumblue: { r:0, g:0, b:205 },
mediumorchid: { r:186, g:85, b:211 },
mediumpurple: { r:147, g:112, b:219 },
mediumseagreen: { r:60, g:179, b:113 },
mediumslateblue: { r:123, g:104, b:238 },
mediumspringgreen: { r:0, g:250, b:154 },
mediumturquoise: { r:72, g:209, b:204 },
mediumvioletred: { r:199, g:21, b:133 },
midnightblue: { r:25, g:25, b:112 },
mintcream: { r:245, g:255, b:250 },
mistyrose: { r:255, g:228, b:225 },
moccasin: { r:255, g:228, b:181 },
navajowhite: { r:255, g:222, b:173 },
navy: { r:0, g:0, b:128 },
oldlace: { r:253, g:245, b:230 },
olive: { r:128, g:128, b:0 },
olivedrab: { r:107, g:142, b:35 },
orange: { r:255, g:165, b:0 },
orangered: { r:255, g:69, b:0 },
orchid: { r:218, g:112, b:214 },
palegoldenrod: { r:238, g:232, b:170 },
palegreen: { r:152, g:251, b:152 },
paleturquoise: { r:175, g:238, b:238 },
palevioletred: { r:219, g:112, b:147 },
papayawhip: { r:255, g:239, b:213 },
peachpuff: { r:255, g:218, b:185 },
peru: { r:205, g:133, b:63 },
pink: { r:255, g:192, b:203 },
plum: { r:221, g:160, b:221 },
powderblue: { r:176, g:224, b:230 },
purple: { r:128, g:0, b:128 },
red: { r:255, g:0, b:0 },
rosybrown: { r:188, g:143, b:143 },
royalblue: { r:65, g:105, b:225 },
saddlebrown: { r:139, g:69, b:19 },
salmon: { r:250, g:128, b:114 },
sandybrown: { r:244, g:164, b:96 },
seagreen: { r:46, g:139, b:87 },
seashell: { r:255, g:245, b:238 },
sienna: { r:160, g:82, b:45 },
silver: { r:192, g:192, b:192 },
skyblue: { r:135, g:206, b:235 },
slateblue: { r:106, g:90, b:205 },
slategray: { r:112, g:128, b:144 },
slategrey: { r:112, g:128, b:144 },
snow: { r:255, g:250, b:250 },
springgreen: { r:0, g:255, b:127 },
steelblue: { r:70, g:130, b:180 },
tan: { r:210, g:180, b:140 },
teal: { r:0, g:128, b:128 },
thistle: { r:216, g:191, b:216 },
tomato: { r:255, g:99, b:71 },
turquoise: { r:64, g:224, b:208 },
violet: { r:238, g:130, b:238 },
wheat: { r:245, g:222, b:179 },
white: { r:255, g:255, b:255 },
whitesmoke: { r:245, g:245, b:245 },
yellow: { r:255, g:255, b:0 },
yellowgreen: { r:154, g:205, b:50 },
transparent: { r:-1, g:-1, b:-1 }
},
// Not a complete list yet...
props = 'backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor borderColor boxShadowColor color outlineColor textShadowColor'.split(' ');
$.color = {
normalize: function(input) {
var color, alpha,
result, name, i, l,
rhex = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
rhexshort = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/,
rrgb = /rgb(?:a)?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(0*\.?\d+)\s*)?\)/,
rrgbpercent = /rgb(?:a)?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(0*\.?\d+)\s*)?\)/,
rhsl = /hsl(?:a)?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(0*\.?\d+)\s*)?\)/;
// Handle color: #rrggbb
if (result = rhex.exec(input)) {
color = {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16),
source: result[0]
};
}
// Handle color: #rgb
else if (result = rhexshort.exec(input)) {
color = {
r: parseInt(result[1]+result[1], 16),
g: parseInt(result[2]+result[2], 16),
b: parseInt(result[3]+result[3], 16),
source: result[0]
};
}
// Handle color: rgb[a](r, g, b [, a])
else if (result = rrgb.exec(input)) {
color = {
r: parseInt(result[1], 10),
g: parseInt(result[2], 10),
b: parseInt(result[3], 10),
alpha: parseFloat(result[4], 10),
source: result[0]
};
}
// Handle color: rgb[a](r%, g%, b% [, a])
else if (result = rrgbpercent.exec(input)) {
color = {
r: parseInt(result[1] * 2.55, 10),
g: parseInt(result[2] * 2.55, 10),
b: parseInt(result[3] * 2.55, 10),
alpha: parseFloat(result[4], 10),
source: result[0]
};
}
// Handle color: hsl[a](h%, s%, l% [, a])
else if (result = rhsl.exec(input)) {
color = $.color.hsl_to_rgb(
parseFloat(result[1], 10) / 100,
parseFloat(result[2], 10) / 100,
parseFloat(result[3], 10) / 100
);
color.alpha = parseFloat(result[4], 10);
color.source = result[0];
}
// Handle color: name
else {
result = input.split(' ');
for (i = 0, l = result.length; i < l; i++) {
name = result[i];
if (colornames[name]) {
break;
}
}
if (!colornames[name]) {
name = 'transparent';
}
color = colornames[name];
color.source = name;
}
if (!color.alpha && color.alpha !== 0) {
delete color.alpha;
}
return color;
},
hsl_to_rgb: function(h, s, l, a) {
var r, g, b, m1, m2;
if (s === 0) {
r = g = b = l;
} else {
if (l <= 0.5) {
m2 = l * (s + 1);
} else {
m2 = (l + s) - (l * s);
}
m1 = (l * 2) - m2;
r = parseInt(255 * $.color.hue_to_rgb(m1, m2, h + (1/3)), 10);
g = parseInt(255 * $.color.hue_to_rgb(m1, m2, h), 10);
b = parseInt(255 * $.color.hue_to_rgb(m1, m2, h - (1/3)), 10);
}
return { r:r, g:g, b:b, alpha:a };
},
hue_to_rgb: function(m1, m2, h) {
if (h < 0) { h++; }
if (h > 1) { h--; }
if ((h * 6) < 1) { return m1 + ((m2 - m1) * h * 6); }
else if ((h * 2) < 1) { return m2; }
else if ((h * 3) < 2) { return m1 + ((m2 - m1) * ((2/3) - h) * 6); }
else { return m1; }
}
};
if ($.cssHooks) {
$.each(props, function(i, hook) {
$.cssHooks[hook] = {
set: function(elem, value) {
value = $.color.normalize(value);
if (!value.alpha) {
value.alpha = 1;
}
elem.style[hook] = 'rgba(' + value.r + ',' + value.g + ',' + value.b + ',' + value.alpha + ')';
}
};
$.fx.step[hook] = function(fx) {
var val;
if ( !fx.start || typeof fx.start === 'string' ) {
if ( !fx.start ) {
fx.start = $.css(fx.elem, hook);
}
fx.start = $.color.normalize(fx.start);
fx.end = $.color.normalize(fx.end);
if (!fx.start.alpha) {
fx.start.alpha = 1;
}
if (!fx.end.alpha) {
fx.end.alpha = 1;
}
}
$.style(fx.elem, hook, 'rgba('
+ parseInt(fx.start.r + (fx.pos * (fx.end.r - fx.start.r)), 10) + ','
+ parseInt(fx.start.g + (fx.pos * (fx.end.g - fx.start.g)), 10) + ','
+ parseInt(fx.start.b + (fx.pos * (fx.end.b - fx.start.b)), 10) + ','
+ parseFloat(fx.start.alpha + (fx.pos * (fx.end.alpha - fx.start.alpha))) + ')'
);
};
});
}
})(jQuery);