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color-convert

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color-convert - npm Package Compare versions

Comparing version 0.6.0 to 0.7.0

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conversions.js
/* MIT license */
module.exports = {
rgb2hsl: rgb2hsl,
rgb2hsv: rgb2hsv,
rgb2hwb: rgb2hwb,
rgb2cmyk: rgb2cmyk,
rgb2keyword: rgb2keyword,
rgb2xyz: rgb2xyz,
rgb2lab: rgb2lab,
rgb2lch: rgb2lch,
rgb2ansi16: rgb2ansi16,
rgb2ansi: rgb2ansi,
rgb2hsl: rgb2hsl,
rgb2hsv: rgb2hsv,
rgb2hwb: rgb2hwb,
rgb2cmyk: rgb2cmyk,
rgb2keyword: rgb2keyword,
rgb2xyz: rgb2xyz,
rgb2lab: rgb2lab,
rgb2lch: rgb2lch,
rgb2ansi16: rgb2ansi16,
rgb2ansi: rgb2ansi,
rgb2hex: rgb2hex,
hsl2rgb: hsl2rgb,
hsl2hsv: hsl2hsv,
hsl2hwb: hsl2hwb,
hsl2cmyk: hsl2cmyk,
hsl2keyword: hsl2keyword,
hsl2ansi16: hsl2ansi16,
hsl2ansi: hsl2ansi,
hsl2rgb: hsl2rgb,
hsl2hsv: hsl2hsv,
hsl2hwb: hsl2hwb,
hsl2cmyk: hsl2cmyk,
hsl2keyword: hsl2keyword,
hsl2ansi16: hsl2ansi16,
hsl2ansi: hsl2ansi,
hsl2hex: hsl2hex,
hsv2rgb: hsv2rgb,
hsv2hsl: hsv2hsl,
hsv2hwb: hsv2hwb,
hsv2cmyk: hsv2cmyk,
hsv2keyword: hsv2keyword,
hsv2ansi16: hsv2ansi16,
hsv2ansi: hsv2ansi,
hsv2rgb: hsv2rgb,
hsv2hsl: hsv2hsl,
hsv2hwb: hsv2hwb,
hsv2cmyk: hsv2cmyk,
hsv2keyword: hsv2keyword,
hsv2ansi16: hsv2ansi16,
hsv2ansi: hsv2ansi,
hsv2hex: hsv2hex,
hwb2rgb: hwb2rgb,
hwb2hsl: hwb2hsl,
hwb2hsv: hwb2hsv,
hwb2cmyk: hwb2cmyk,
hwb2keyword: hwb2keyword,
hwb2ansi16: hwb2ansi16,
hwb2ansi: hwb2ansi,
hwb2rgb: hwb2rgb,
hwb2hsl: hwb2hsl,
hwb2hsv: hwb2hsv,
hwb2cmyk: hwb2cmyk,
hwb2keyword: hwb2keyword,
hwb2ansi16: hwb2ansi16,
hwb2ansi: hwb2ansi,
hwb2hex: hwb2hex,
cmyk2rgb: cmyk2rgb,
cmyk2hsl: cmyk2hsl,
cmyk2hsv: cmyk2hsv,
cmyk2hwb: cmyk2hwb,
cmyk2keyword: cmyk2keyword,
cmyk2ansi16: cmyk2ansi16,
cmyk2ansi: cmyk2ansi,
cmyk2rgb: cmyk2rgb,
cmyk2hsl: cmyk2hsl,
cmyk2hsv: cmyk2hsv,
cmyk2hwb: cmyk2hwb,
cmyk2keyword: cmyk2keyword,
cmyk2ansi16: cmyk2ansi16,
cmyk2ansi: cmyk2ansi,
cmyk2hex: cmyk2hex,
keyword2rgb: keyword2rgb,
keyword2hsl: keyword2hsl,
keyword2hsv: keyword2hsv,
keyword2hwb: keyword2hwb,
keyword2cmyk: keyword2cmyk,
keyword2lab: keyword2lab,
keyword2xyz: keyword2xyz,
keyword2ansi16: keyword2ansi16,
keyword2ansi: keyword2ansi,
keyword2rgb: keyword2rgb,
keyword2hsl: keyword2hsl,
keyword2hsv: keyword2hsv,
keyword2hwb: keyword2hwb,
keyword2cmyk: keyword2cmyk,
keyword2lab: keyword2lab,
keyword2xyz: keyword2xyz,
keyword2ansi16: keyword2ansi16,
keyword2ansi: keyword2ansi,
keyword2hex: keyword2hex,
xyz2rgb: xyz2rgb,
xyz2lab: xyz2lab,
xyz2lch: xyz2lch,
xyz2rgb: xyz2rgb,
xyz2lab: xyz2lab,
xyz2lch: xyz2lch,
lab2xyz: lab2xyz,
lab2rgb: lab2rgb,
lab2lch: lab2lch,
lab2xyz: lab2xyz,
lab2rgb: lab2rgb,
lab2lch: lab2lch,
lch2lab: lch2lab,
lch2xyz: lch2xyz,
lch2rgb: lch2rgb,
lch2lab: lch2lab,
lch2xyz: lch2xyz,
lch2rgb: lch2rgb,
ansi162rgb: ansi162rgb,
ansi162hsl: ansi162hsl,
ansi162hsv: ansi162hsv,
ansi162hwb: ansi162hwb,
ansi162cmyk: ansi162cmyk,
ansi162keyword: ansi162keyword,
ansi162rgb: ansi162rgb,
ansi162hsl: ansi162hsl,
ansi162hsv: ansi162hsv,
ansi162hwb: ansi162hwb,
ansi162cmyk: ansi162cmyk,
ansi162keyword: ansi162keyword,
ansi162hex: ansi162hex,
ansi2rgb: ansi2rgb,
ansi2hsl: ansi2hsl,
ansi2hsv: ansi2hsv,
ansi2hwb: ansi2hwb,
ansi2cmyk: ansi2cmyk,
ansi2keyword: ansi2keyword,
ansi2rgb: ansi2rgb,
ansi2hsl: ansi2hsl,
ansi2hsv: ansi2hsv,
ansi2hwb: ansi2hwb,
ansi2cmyk: ansi2cmyk,
ansi2keyword: ansi2keyword,
ansi2hex: ansi2hex,
hex2rgb: hex2rgb,
hex2hsl: hex2hsl,
hex2hsv: hex2hsv,
hex2hwb: hex2hwb,
hex2cmyk: hex2cmyk,
hex2keyword: hex2keyword,
hex2ansi16: hex2ansi16,
hex2ansi: hex2ansi
};
var cssKeywords = {
aliceblue: [240, 248, 255],
antiquewhite: [250, 235, 215],
aqua: [0, 255, 255],
aquamarine: [127, 255, 212],
azure: [240, 255, 255],
beige: [245, 245, 220],
bisque: [255, 228, 196],
black: [0, 0, 0],
blanchedalmond: [255, 235, 205],
blue: [0, 0, 255],
blueviolet: [138, 43, 226],
brown: [165, 42, 42],
burlywood: [222, 184, 135],
cadetblue: [95, 158, 160],
chartreuse: [127, 255, 0],
chocolate: [210, 105, 30],
coral: [255, 127, 80],
cornflowerblue: [100, 149, 237],
cornsilk: [255, 248, 220],
crimson: [220, 20, 60],
cyan: [0, 255, 255],
darkblue: [0, 0, 139],
darkcyan: [0, 139, 139],
darkgoldenrod: [184, 134, 11],
darkgray: [169, 169, 169],
darkgreen: [0, 100, 0],
darkgrey: [169, 169, 169],
darkkhaki: [189, 183, 107],
darkmagenta: [139, 0, 139],
darkolivegreen: [85, 107, 47],
darkorange: [255, 140, 0],
darkorchid: [153, 50, 204],
darkred: [139, 0, 0],
darksalmon: [233, 150, 122],
darkseagreen: [143, 188, 143],
darkslateblue: [72, 61, 139],
darkslategray: [47, 79, 79],
darkslategrey: [47, 79, 79],
darkturquoise: [0, 206, 209],
darkviolet: [148, 0, 211],
deeppink: [255, 20, 147],
deepskyblue: [0, 191, 255],
dimgray: [105, 105, 105],
dimgrey: [105, 105, 105],
dodgerblue: [30, 144, 255],
firebrick: [178, 34, 34],
floralwhite: [255, 250, 240],
forestgreen: [34, 139, 34],
fuchsia: [255, 0, 255],
gainsboro: [220, 220, 220],
ghostwhite: [248, 248, 255],
gold: [255, 215, 0],
goldenrod: [218, 165, 32],
gray: [128, 128, 128],
green: [0, 128, 0],
greenyellow: [173, 255, 47],
grey: [128, 128, 128],
honeydew: [240, 255, 240],
hotpink: [255, 105, 180],
indianred: [205, 92, 92],
indigo: [75, 0, 130],
ivory: [255, 255, 240],
khaki: [240, 230, 140],
lavender: [230, 230, 250],
lavenderblush: [255, 240, 245],
lawngreen: [124, 252, 0],
lemonchiffon: [255, 250, 205],
lightblue: [173, 216, 230],
lightcoral: [240, 128, 128],
lightcyan: [224, 255, 255],
lightgoldenrodyellow: [250, 250, 210],
lightgray: [211, 211, 211],
lightgreen: [144, 238, 144],
lightgrey: [211, 211, 211],
lightpink: [255, 182, 193],
lightsalmon: [255, 160, 122],
lightseagreen: [32, 178, 170],
lightskyblue: [135, 206, 250],
lightslategray: [119, 136, 153],
lightslategrey: [119, 136, 153],
lightsteelblue: [176, 196, 222],
lightyellow: [255, 255, 224],
lime: [0, 255, 0],
limegreen: [50, 205, 50],
linen: [250, 240, 230],
magenta: [255, 0, 255],
maroon: [128, 0, 0],
mediumaquamarine: [102, 205, 170],
mediumblue: [0, 0, 205],
mediumorchid: [186, 85, 211],
mediumpurple: [147, 112, 219],
mediumseagreen: [60, 179, 113],
mediumslateblue: [123, 104, 238],
mediumspringgreen: [0, 250, 154],
mediumturquoise: [72, 209, 204],
mediumvioletred: [199, 21, 133],
midnightblue: [25, 25, 112],
mintcream: [245, 255, 250],
mistyrose: [255, 228, 225],
moccasin: [255, 228, 181],
navajowhite: [255, 222, 173],
navy: [0, 0, 128],
oldlace: [253, 245, 230],
olive: [128, 128, 0],
olivedrab: [107, 142, 35],
orange: [255, 165, 0],
orangered: [255, 69, 0],
orchid: [218, 112, 214],
palegoldenrod: [238, 232, 170],
palegreen: [152, 251, 152],
paleturquoise: [175, 238, 238],
palevioletred: [219, 112, 147],
papayawhip: [255, 239, 213],
peachpuff: [255, 218, 185],
peru: [205, 133, 63],
pink: [255, 192, 203],
plum: [221, 160, 221],
powderblue: [176, 224, 230],
purple: [128, 0, 128],
rebeccapurple: [102, 51, 153],
red: [255, 0, 0],
rosybrown: [188, 143, 143],
royalblue: [65, 105, 225],
saddlebrown: [139, 69, 19],
salmon: [250, 128, 114],
sandybrown: [244, 164, 96],
seagreen: [46, 139, 87],
seashell: [255, 245, 238],
sienna: [160, 82, 45],
silver: [192, 192, 192],
skyblue: [135, 206, 235],
slateblue: [106, 90, 205],
slategray: [112, 128, 144],
slategrey: [112, 128, 144],
snow: [255, 250, 250],
springgreen: [0, 255, 127],
steelblue: [70, 130, 180],
tan: [210, 180, 140],
teal: [0, 128, 128],
thistle: [216, 191, 216],
tomato: [255, 99, 71],
turquoise: [64, 224, 208],
violet: [238, 130, 238],
wheat: [245, 222, 179],
white: [255, 255, 255],
whitesmoke: [245, 245, 245],
yellow: [255, 255, 0],
yellowgreen: [154, 205, 50]
};
var reverseKeywords = {};
for (var key in cssKeywords) {
if (cssKeywords.hasOwnProperty(key)) {
reverseKeywords[cssKeywords[key].join()] = key;
}
}
function rgb2hsl(rgb) {
var r = rgb[0]/255,
g = rgb[1]/255,
b = rgb[2]/255,
min = Math.min(r, g, b),
max = Math.max(r, g, b),
delta = max - min,
h, s, l;
var r = rgb[0] / 255;
var g = rgb[1] / 255;
var b = rgb[2] / 255;
var min = Math.min(r, g, b);
var max = Math.max(r, g, b);
var delta = max - min;
var h;
var s;
var l;
if (max == min)
h = 0;
else if (r == max)
h = (g - b) / delta;
else if (g == max)
h = 2 + (b - r) / delta;
else if (b == max)
h = 4 + (r - g)/ delta;
if (max === min) {
h = 0;
} else if (r === max) {
h = (g - b) / delta;
} else if (g === max) {
h = 2 + (b - r) / delta;
} else if (b === max) {
h = 4 + (r - g) / delta;
}
h = Math.min(h * 60, 360);
h = Math.min(h * 60, 360);
if (h < 0)
h += 360;
if (h < 0) {
h += 360;
}
l = (min + max) / 2;
l = (min + max) / 2;
if (max == min)
s = 0;
else if (l <= 0.5)
s = delta / (max + min);
else
s = delta / (2 - max - min);
if (max === min) {
s = 0;
} else if (l <= 0.5) {
s = delta / (max + min);
} else {
s = delta / (2 - max - min);
}
return [h, s * 100, l * 100];
return [h, s * 100, l * 100];
}
function rgb2hsv(rgb) {
var r = rgb[0],
g = rgb[1],
b = rgb[2],
min = Math.min(r, g, b),
max = Math.max(r, g, b),
delta = max - min,
h, s, v;
var r = rgb[0];
var g = rgb[1];
var b = rgb[2];
var min = Math.min(r, g, b);
var max = Math.max(r, g, b);
var delta = max - min;
var h;
var s;
var v;
if (max == 0)
s = 0;
else
s = (delta/max * 1000)/10;
if (max === 0) {
s = 0;
} else {
s = (delta / max * 1000) / 10;
}
if (max == min)
h = 0;
else if (r == max)
h = (g - b) / delta;
else if (g == max)
h = 2 + (b - r) / delta;
else if (b == max)
h = 4 + (r - g) / delta;
if (max === min) {
h = 0;
} else if (r === max) {
h = (g - b) / delta;
} else if (g === max) {
h = 2 + (b - r) / delta;
} else if (b === max) {
h = 4 + (r - g) / delta;
}
h = Math.min(h * 60, 360);
h = Math.min(h * 60, 360);
if (h < 0)
h += 360;
if (h < 0) {
h += 360;
}
v = ((max / 255) * 1000) / 10;
v = ((max / 255) * 1000) / 10;
return [h, s, v];
return [h, s, v];
}
function rgb2hwb(rgb) {
var r = rgb[0],
g = rgb[1],
b = rgb[2],
h = rgb2hsl(rgb)[0],
w = 1/255 * Math.min(r, Math.min(g, b)),
b = 1 - 1/255 * Math.max(r, Math.max(g, b));
var r = rgb[0];
var g = rgb[1];
var b = rgb[2];
var h = rgb2hsl(rgb)[0];
var w = 1 / 255 * Math.min(r, Math.min(g, b));
return [h, w * 100, b * 100];
b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
return [h, w * 100, b * 100];
}
function rgb2cmyk(rgb) {
var r = rgb[0] / 255,
g = rgb[1] / 255,
b = rgb[2] / 255,
c, m, y, k;
var r = rgb[0] / 255;
var g = rgb[1] / 255;
var b = rgb[2] / 255;
var c;
var m;
var y;
var k;
k = Math.min(1 - r, 1 - g, 1 - b);
c = (1 - r - k) / (1 - k) || 0;
m = (1 - g - k) / (1 - k) || 0;
y = (1 - b - k) / (1 - k) || 0;
return [c * 100, m * 100, y * 100, k * 100];
k = Math.min(1 - r, 1 - g, 1 - b);
c = (1 - r - k) / (1 - k) || 0;
m = (1 - g - k) / (1 - k) || 0;
y = (1 - b - k) / (1 - k) || 0;
return [c * 100, m * 100, y * 100, k * 100];
}
function rgb2keyword(rgb) {
return reverseKeywords[JSON.stringify(rgb)];
return reverseKeywords[rgb.join()];
}
function rgb2xyz(rgb) {
var r = rgb[0] / 255,
g = rgb[1] / 255,
b = rgb[2] / 255;
var r = rgb[0] / 255;
var g = rgb[1] / 255;
var b = rgb[2] / 255;
// assume sRGB
r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
// assume sRGB
r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
return [x * 100, y *100, z * 100];
return [x * 100, y * 100, z * 100];
}
function rgb2lab(rgb) {
var xyz = rgb2xyz(rgb),
x = xyz[0],
y = xyz[1],
z = xyz[2],
l, a, b;
var xyz = rgb2xyz(rgb);
var x = xyz[0];
var y = xyz[1];
var z = xyz[2];
var l;
var a;
var b;
x /= 95.047;
y /= 100;
z /= 108.883;
x /= 95.047;
y /= 100;
z /= 108.883;
x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
l = (116 * y) - 16;
a = 500 * (x - y);
b = 200 * (y - z);
l = (116 * y) - 16;
a = 500 * (x - y);
b = 200 * (y - z);
return [l, a, b];
return [l, a, b];
}
function rgb2lch(args) {
return lab2lch(rgb2lab(args));
return lab2lch(rgb2lab(args));
}
function hsl2rgb(hsl) {
var h = hsl[0] / 360,
s = hsl[1] / 100,
l = hsl[2] / 100,
t1, t2, t3, rgb, val;
var h = hsl[0] / 360;
var s = hsl[1] / 100;
var l = hsl[2] / 100;
var t1;
var t2;
var t3;
var rgb;
var val;
if (s == 0) {
val = l * 255;
return [val, val, val];
}
if (s === 0) {
val = l * 255;
return [val, val, val];
}
if (l < 0.5)
t2 = l * (1 + s);
else
t2 = l + s - l * s;
t1 = 2 * l - t2;
if (l < 0.5) {
t2 = l * (1 + s);
} else {
t2 = l + s - l * s;
}
rgb = [0, 0, 0];
for (var i = 0; i < 3; i++) {
t3 = h + 1 / 3 * - (i - 1);
t3 < 0 && t3++;
t3 > 1 && t3--;
t1 = 2 * l - t2;
if (6 * t3 < 1)
val = t1 + (t2 - t1) * 6 * t3;
else if (2 * t3 < 1)
val = t2;
else if (3 * t3 < 2)
val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
else
val = t1;
rgb = [0, 0, 0];
for (var i = 0; i < 3; i++) {
t3 = h + 1 / 3 * -(i - 1);
if (t3 < 0) {
t3++;
}
if (t3 > 1) {
t3--;
}
rgb[i] = val * 255;
}
if (6 * t3 < 1) {
val = t1 + (t2 - t1) * 6 * t3;
} else if (2 * t3 < 1) {
val = t2;
} else if (3 * t3 < 2) {
val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
} else {
val = t1;
}
return rgb;
rgb[i] = val * 255;
}
return rgb;
}
function hsl2hsv(hsl) {
var h = hsl[0],
s = hsl[1] / 100,
l = hsl[2] / 100,
sv, v;
var h = hsl[0];
var s = hsl[1] / 100;
var l = hsl[2] / 100;
var sv;
var v;
if(l === 0) {
// no need to do calc on black
// also avoids divide by 0 error
return [0, 0, 0];
}
if (l === 0) {
// no need to do calc on black
// also avoids divide by 0 error
return [0, 0, 0];
}
l *= 2;
s *= (l <= 1) ? l : 2 - l;
v = (l + s) / 2;
sv = (2 * s) / (l + s);
return [h, sv * 100, v * 100];
l *= 2;
s *= (l <= 1) ? l : 2 - l;
v = (l + s) / 2;
sv = (2 * s) / (l + s);
return [h, sv * 100, v * 100];
}
function hsl2hwb(args) {
return rgb2hwb(hsl2rgb(args));
return rgb2hwb(hsl2rgb(args));
}
function hsl2cmyk(args) {
return rgb2cmyk(hsl2rgb(args));
return rgb2cmyk(hsl2rgb(args));
}
function hsl2keyword(args) {
return rgb2keyword(hsl2rgb(args));
return rgb2keyword(hsl2rgb(args));
}
function hsv2rgb(hsv) {
var h = hsv[0] / 60,
s = hsv[1] / 100,
v = hsv[2] / 100,
hi = Math.floor(h) % 6;
var h = hsv[0] / 60;
var s = hsv[1] / 100;
var v = hsv[2] / 100;
var hi = Math.floor(h) % 6;
var f = h - Math.floor(h),
p = 255 * v * (1 - s),
q = 255 * v * (1 - (s * f)),
t = 255 * v * (1 - (s * (1 - f))),
v = 255 * v;
var f = h - Math.floor(h);
var p = 255 * v * (1 - s);
var q = 255 * v * (1 - (s * f));
var t = 255 * v * (1 - (s * (1 - f)));
v *= 255;
switch(hi) {
case 0:
return [v, t, p];
case 1:
return [q, v, p];
case 2:
return [p, v, t];
case 3:
return [p, q, v];
case 4:
return [t, p, v];
case 5:
return [v, p, q];
}
switch (hi) {
case 0:
return [v, t, p];
case 1:
return [q, v, p];
case 2:
return [p, v, t];
case 3:
return [p, q, v];
case 4:
return [t, p, v];
case 5:
return [v, p, q];
}
}
function hsv2hsl(hsv) {
var h = hsv[0],
s = hsv[1] / 100,
v = hsv[2] / 100,
sl, l;
var h = hsv[0];
var s = hsv[1] / 100;
var v = hsv[2] / 100;
var sl;
var l;
l = (2 - s) * v;
sl = s * v;
sl /= (l <= 1) ? l : 2 - l;
sl = sl || 0;
l /= 2;
return [h, sl * 100, l * 100];
l = (2 - s) * v;
sl = s * v;
sl /= (l <= 1) ? l : 2 - l;
sl = sl || 0;
l /= 2;
return [h, sl * 100, l * 100];
}
function hsv2hwb(args) {
return rgb2hwb(hsv2rgb(args))
return rgb2hwb(hsv2rgb(args));
}
function hsv2cmyk(args) {
return rgb2cmyk(hsv2rgb(args));
return rgb2cmyk(hsv2rgb(args));
}
function hsv2keyword(args) {
return rgb2keyword(hsv2rgb(args));
return rgb2keyword(hsv2rgb(args));
}

@@ -350,536 +555,500 @@

function hwb2rgb(hwb) {
var h = hwb[0] / 360,
wh = hwb[1] / 100,
bl = hwb[2] / 100,
ratio = wh + bl,
i, v, f, n;
var h = hwb[0] / 360;
var wh = hwb[1] / 100;
var bl = hwb[2] / 100;
var ratio = wh + bl;
var i;
var v;
var f;
var n;
// wh + bl cant be > 1
if (ratio > 1) {
wh /= ratio;
bl /= ratio;
}
// wh + bl cant be > 1
if (ratio > 1) {
wh /= ratio;
bl /= ratio;
}
i = Math.floor(6 * h);
v = 1 - bl;
f = 6 * h - i;
if ((i & 0x01) != 0) {
f = 1 - f;
}
n = wh + f * (v - wh); // linear interpolation
i = Math.floor(6 * h);
v = 1 - bl;
f = 6 * h - i;
switch (i) {
default:
case 6:
case 0: r = v; g = n; b = wh; break;
case 1: r = n; g = v; b = wh; break;
case 2: r = wh; g = v; b = n; break;
case 3: r = wh; g = n; b = v; break;
case 4: r = n; g = wh; b = v; break;
case 5: r = v; g = wh; b = n; break;
}
if ((i & 0x01) !== 0) {
f = 1 - f;
}
return [r * 255, g * 255, b * 255];
n = wh + f * (v - wh); // linear interpolation
var r;
var g;
var b;
switch (i) {
default:
case 6:
case 0: r = v; g = n; b = wh; break;
case 1: r = n; g = v; b = wh; break;
case 2: r = wh; g = v; b = n; break;
case 3: r = wh; g = n; b = v; break;
case 4: r = n; g = wh; b = v; break;
case 5: r = v; g = wh; b = n; break;
}
return [r * 255, g * 255, b * 255];
}
function hwb2hsl(args) {
return rgb2hsl(hwb2rgb(args));
return rgb2hsl(hwb2rgb(args));
}
function hwb2hsv(args) {
return rgb2hsv(hwb2rgb(args));
return rgb2hsv(hwb2rgb(args));
}
function hwb2cmyk(args) {
return rgb2cmyk(hwb2rgb(args));
return rgb2cmyk(hwb2rgb(args));
}
function hwb2keyword(args) {
return rgb2keyword(hwb2rgb(args));
return rgb2keyword(hwb2rgb(args));
}
function cmyk2rgb(cmyk) {
var c = cmyk[0] / 100,
m = cmyk[1] / 100,
y = cmyk[2] / 100,
k = cmyk[3] / 100,
r, g, b;
var c = cmyk[0] / 100;
var m = cmyk[1] / 100;
var y = cmyk[2] / 100;
var k = cmyk[3] / 100;
var r;
var g;
var b;
r = 1 - Math.min(1, c * (1 - k) + k);
g = 1 - Math.min(1, m * (1 - k) + k);
b = 1 - Math.min(1, y * (1 - k) + k);
return [r * 255, g * 255, b * 255];
r = 1 - Math.min(1, c * (1 - k) + k);
g = 1 - Math.min(1, m * (1 - k) + k);
b = 1 - Math.min(1, y * (1 - k) + k);
return [r * 255, g * 255, b * 255];
}
function cmyk2hsl(args) {
return rgb2hsl(cmyk2rgb(args));
return rgb2hsl(cmyk2rgb(args));
}
function cmyk2hsv(args) {
return rgb2hsv(cmyk2rgb(args));
return rgb2hsv(cmyk2rgb(args));
}
function cmyk2hwb(args) {
return rgb2hwb(cmyk2rgb(args));
return rgb2hwb(cmyk2rgb(args));
}
function cmyk2keyword(args) {
return rgb2keyword(cmyk2rgb(args));
return rgb2keyword(cmyk2rgb(args));
}
function xyz2rgb(xyz) {
var x = xyz[0] / 100,
y = xyz[1] / 100,
z = xyz[2] / 100,
r, g, b;
var x = xyz[0] / 100;
var y = xyz[1] / 100;
var z = xyz[2] / 100;
var r;
var g;
var b;
r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
// assume sRGB
r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
: r = (r * 12.92);
// assume sRGB
r = r > 0.0031308
? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
: r *= 12.92;
g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
: g = (g * 12.92);
g = g > 0.0031308
? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
: g *= 12.92;
b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
: b = (b * 12.92);
b = b > 0.0031308
? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
: b *= 12.92;
r = Math.min(Math.max(0, r), 1);
g = Math.min(Math.max(0, g), 1);
b = Math.min(Math.max(0, b), 1);
r = Math.min(Math.max(0, r), 1);
g = Math.min(Math.max(0, g), 1);
b = Math.min(Math.max(0, b), 1);
return [r * 255, g * 255, b * 255];
return [r * 255, g * 255, b * 255];
}
function xyz2lab(xyz) {
var x = xyz[0],
y = xyz[1],
z = xyz[2],
l, a, b;
var x = xyz[0];
var y = xyz[1];
var z = xyz[2];
var l;
var a;
var b;
x /= 95.047;
y /= 100;
z /= 108.883;
x /= 95.047;
y /= 100;
z /= 108.883;
x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
l = (116 * y) - 16;
a = 500 * (x - y);
b = 200 * (y - z);
l = (116 * y) - 16;
a = 500 * (x - y);
b = 200 * (y - z);
return [l, a, b];
return [l, a, b];
}
function xyz2lch(args) {
return lab2lch(xyz2lab(args));
return lab2lch(xyz2lab(args));
}
function lab2xyz(lab) {
var l = lab[0],
a = lab[1],
b = lab[2],
x, y, z, y2;
var l = lab[0];
var a = lab[1];
var b = lab[2];
var x;
var y;
var z;
var y2;
if (l <= 8) {
y = (l * 100) / 903.3;
y2 = (7.787 * (y / 100)) + (16 / 116);
} else {
y = 100 * Math.pow((l + 16) / 116, 3);
y2 = Math.pow(y / 100, 1/3);
}
if (l <= 8) {
y = (l * 100) / 903.3;
y2 = (7.787 * (y / 100)) + (16 / 116);
} else {
y = 100 * Math.pow((l + 16) / 116, 3);
y2 = Math.pow(y / 100, 1 / 3);
}
x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);
x = x / 95.047 <= 0.008856
? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787
: 95.047 * Math.pow((a / 500) + y2, 3);
z = z / 108.883 <= 0.008859
? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787
: 108.883 * Math.pow(y2 - (b / 200), 3);
z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);
return [x, y, z];
return [x, y, z];
}
function lab2lch(lab) {
var l = lab[0],
a = lab[1],
b = lab[2],
hr, h, c;
var l = lab[0];
var a = lab[1];
var b = lab[2];
var hr;
var h;
var c;
hr = Math.atan2(b, a);
h = hr * 360 / 2 / Math.PI;
if (h < 0) {
h += 360;
}
c = Math.sqrt(a * a + b * b);
return [l, c, h];
hr = Math.atan2(b, a);
h = hr * 360 / 2 / Math.PI;
if (h < 0) {
h += 360;
}
c = Math.sqrt(a * a + b * b);
return [l, c, h];
}
function lab2rgb(args) {
return xyz2rgb(lab2xyz(args));
return xyz2rgb(lab2xyz(args));
}
function lch2lab(lch) {
var l = lch[0],
c = lch[1],
h = lch[2],
a, b, hr;
var l = lch[0];
var c = lch[1];
var h = lch[2];
var a;
var b;
var hr;
hr = h / 360 * 2 * Math.PI;
a = c * Math.cos(hr);
b = c * Math.sin(hr);
return [l, a, b];
hr = h / 360 * 2 * Math.PI;
a = c * Math.cos(hr);
b = c * Math.sin(hr);
return [l, a, b];
}
function lch2xyz(args) {
return lab2xyz(lch2lab(args));
return lab2xyz(lch2lab(args));
}
function lch2rgb(args) {
return lab2rgb(lch2lab(args));
return lab2rgb(lch2lab(args));
}
function keyword2rgb(keyword) {
return cssKeywords[keyword];
return cssKeywords[keyword];
}
function keyword2hsl(args) {
return rgb2hsl(keyword2rgb(args));
return rgb2hsl(keyword2rgb(args));
}
function keyword2hsv(args) {
return rgb2hsv(keyword2rgb(args));
return rgb2hsv(keyword2rgb(args));
}
function keyword2hwb(args) {
return rgb2hwb(keyword2rgb(args));
return rgb2hwb(keyword2rgb(args));
}
function keyword2cmyk(args) {
return rgb2cmyk(keyword2rgb(args));
return rgb2cmyk(keyword2rgb(args));
}
function keyword2lab(args) {
return rgb2lab(keyword2rgb(args));
return rgb2lab(keyword2rgb(args));
}
function keyword2xyz(args) {
return rgb2xyz(keyword2rgb(args));
return rgb2xyz(keyword2rgb(args));
}
function rgb2ansi16(args) {
var r = args[0],
g = args[1],
b = args[2],
value = arguments[1] || rgb2hsv(args)[2]; // hsv2ansi16 optimization
var r = args[0];
var g = args[1];
var b = args[2];
var value = arguments[1] || rgb2hsv(args)[2]; // hsv2ansi16 optimization
value = Math.round(value / 50);
if (value === 0)
return 30;
value = Math.round(value / 50);
var ansi = 30 +
((Math.round(b / 255) << 2) |
(Math.round(g / 255) << 1) |
Math.round(r / 255));
if (value === 0) {
return 30;
}
if (value === 2)
ansi += 60;
var ansi = 30
+ ((Math.round(b / 255) << 2)
| (Math.round(g / 255) << 1)
| Math.round(r / 255));
return ansi;
if (value === 2) {
ansi += 60;
}
return ansi;
}
function rgb2ansi(args) {
var r = args[0],
g = args[1],
b = args[2];
var r = args[0];
var g = args[1];
var b = args[2];
// we use the extended greyscale palette here, with the exception of
// black and white. normal palette only has 4 greyscale shades.
if (r === g && g === b) {
if (r < 8)
return 16;
if (r > 248)
return 231;
return Math.round(((r - 8) / 247) * 24) + 232;
}
// we use the extended greyscale palette here, with the exception of
// black and white. normal palette only has 4 greyscale shades.
if (r === g && g === b) {
if (r < 8) {
return 16;
}
var ansi = 16 +
(36 * Math.round(r / 255 * 5)) +
(6 * Math.round(g / 255 * 5)) +
Math.round(b / 255 * 5);
if (r > 248) {
return 231;
}
return ansi;
return Math.round(((r - 8) / 247) * 24) + 232;
}
var ansi = 16
+ (36 * Math.round(r / 255 * 5))
+ (6 * Math.round(g / 255 * 5))
+ Math.round(b / 255 * 5);
return ansi;
}
function hsl2ansi16(args) {
return rgb2ansi16(hsl2rgb(args));
return rgb2ansi16(hsl2rgb(args));
}
function hsl2ansi(args) {
return rgb2ansi(hsl2rgb(args));
return rgb2ansi(hsl2rgb(args));
}
function hsv2ansi16(args) {
return rgb2ansi16(hsv2rgb(args), args[2]);
return rgb2ansi16(hsv2rgb(args), args[2]);
}
function hsv2ansi(args) {
return rgb2ansi(hsv2rgb(args));
return rgb2ansi(hsv2rgb(args));
}
function hwb2ansi16(args) {
return rgb2ansi16(hwb2rgb(args));
return rgb2ansi16(hwb2rgb(args));
}
function hwb2ansi(args) {
return rgb2ansi(hwb2rgb(args));
return rgb2ansi(hwb2rgb(args));
}
function cmyk2ansi16(args) {
return rgb2ansi16(cmyk2rgb(args));
return rgb2ansi16(cmyk2rgb(args));
}
function cmyk2ansi(args) {
return rgb2ansi(cmyk2rgb(args));
return rgb2ansi(cmyk2rgb(args));
}
function keyword2ansi16(args) {
return rgb2ansi16(keyword2rgb(args));
return rgb2ansi16(keyword2rgb(args));
}
function keyword2ansi(args) {
return rgb2ansi(keyword2rgb(args));
return rgb2ansi(keyword2rgb(args));
}
function ansi162rgb(args) {
var color = args % 10;
var color = args % 10;
// handle greyscale
if (color === 0 || color === 7) {
if (args > 50)
color += 3.5;
color = color / 10.5 * 255;
return [color, color, color];
}
// handle greyscale
if (color === 0 || color === 7) {
if (args > 50) {
color += 3.5;
}
var mult = (~~(args > 50) + 1) * 0.5,
r = ((color & 1) * mult) * 255,
g = (((color >> 1) & 1) * mult) * 255,
b = (((color >> 2) & 1) * mult) * 255;
color = color / 10.5 * 255;
return [r, g, b];
return [color, color, color];
}
var mult = (~~(args > 50) + 1) * 0.5;
var r = ((color & 1) * mult) * 255;
var g = (((color >> 1) & 1) * mult) * 255;
var b = (((color >> 2) & 1) * mult) * 255;
return [r, g, b];
}
function ansi162hsl(args) {
return rgb2hsl(ansi162rgb(args));
return rgb2hsl(ansi162rgb(args));
}
function ansi162hsv(args) {
return rgb2hsv(ansi162rgb(args));
return rgb2hsv(ansi162rgb(args));
}
function ansi162hwb(args) {
return rgb2hwb(ansi162rgb(args));
return rgb2hwb(ansi162rgb(args));
}
function ansi162cmyk(args) {
return rgb2cmyk(ansi162rgb(args));
return rgb2cmyk(ansi162rgb(args));
}
function ansi162keyword(args) {
return rgb2keyword(ansi162rgb(args));
return rgb2keyword(ansi162rgb(args));
}
function ansi2rgb(args) {
// handle greyscale
if (args >= 232) {
var c = (args - 232) * 10 + 8;
return [c, c, c];
}
// handle greyscale
if (args >= 232) {
var c = (args - 232) * 10 + 8;
return [c, c, c];
}
args -= 16;
args -= 16;
var rem,
r = Math.floor(args / 36) / 5 * 255,
g = Math.floor((rem = args % 36) / 6) / 5 * 255,
b = (rem % 6) / 5 * 255;
var rem;
var r = Math.floor(args / 36) / 5 * 255;
var g = Math.floor((rem = args % 36) / 6) / 5 * 255;
var b = (rem % 6) / 5 * 255;
return [r, g, b];
return [r, g, b];
}
function ansi2hsl(args) {
return rgb2hsl(ansi2rgb(args));
return rgb2hsl(ansi2rgb(args));
}
function ansi2hsv(args) {
return rgb2hsv(ansi2rgb(args));
return rgb2hsv(ansi2rgb(args));
}
function ansi2hwb(args) {
return rgb2hwb(ansi2rgb(args));
return rgb2hwb(ansi2rgb(args));
}
function ansi2cmyk(args) {
return rgb2cmyk(ansi2rgb(args));
return rgb2cmyk(ansi2rgb(args));
}
function ansi2keyword(args) {
return rgb2keyword(ansi2rgb(args));
return rgb2keyword(ansi2rgb(args));
}
var cssKeywords = {
aliceblue: [240,248,255],
antiquewhite: [250,235,215],
aqua: [0,255,255],
aquamarine: [127,255,212],
azure: [240,255,255],
beige: [245,245,220],
bisque: [255,228,196],
black: [0,0,0],
blanchedalmond: [255,235,205],
blue: [0,0,255],
blueviolet: [138,43,226],
brown: [165,42,42],
burlywood: [222,184,135],
cadetblue: [95,158,160],
chartreuse: [127,255,0],
chocolate: [210,105,30],
coral: [255,127,80],
cornflowerblue: [100,149,237],
cornsilk: [255,248,220],
crimson: [220,20,60],
cyan: [0,255,255],
darkblue: [0,0,139],
darkcyan: [0,139,139],
darkgoldenrod: [184,134,11],
darkgray: [169,169,169],
darkgreen: [0,100,0],
darkgrey: [169,169,169],
darkkhaki: [189,183,107],
darkmagenta: [139,0,139],
darkolivegreen: [85,107,47],
darkorange: [255,140,0],
darkorchid: [153,50,204],
darkred: [139,0,0],
darksalmon: [233,150,122],
darkseagreen: [143,188,143],
darkslateblue: [72,61,139],
darkslategray: [47,79,79],
darkslategrey: [47,79,79],
darkturquoise: [0,206,209],
darkviolet: [148,0,211],
deeppink: [255,20,147],
deepskyblue: [0,191,255],
dimgray: [105,105,105],
dimgrey: [105,105,105],
dodgerblue: [30,144,255],
firebrick: [178,34,34],
floralwhite: [255,250,240],
forestgreen: [34,139,34],
fuchsia: [255,0,255],
gainsboro: [220,220,220],
ghostwhite: [248,248,255],
gold: [255,215,0],
goldenrod: [218,165,32],
gray: [128,128,128],
green: [0,128,0],
greenyellow: [173,255,47],
grey: [128,128,128],
honeydew: [240,255,240],
hotpink: [255,105,180],
indianred: [205,92,92],
indigo: [75,0,130],
ivory: [255,255,240],
khaki: [240,230,140],
lavender: [230,230,250],
lavenderblush: [255,240,245],
lawngreen: [124,252,0],
lemonchiffon: [255,250,205],
lightblue: [173,216,230],
lightcoral: [240,128,128],
lightcyan: [224,255,255],
lightgoldenrodyellow: [250,250,210],
lightgray: [211,211,211],
lightgreen: [144,238,144],
lightgrey: [211,211,211],
lightpink: [255,182,193],
lightsalmon: [255,160,122],
lightseagreen: [32,178,170],
lightskyblue: [135,206,250],
lightslategray: [119,136,153],
lightslategrey: [119,136,153],
lightsteelblue: [176,196,222],
lightyellow: [255,255,224],
lime: [0,255,0],
limegreen: [50,205,50],
linen: [250,240,230],
magenta: [255,0,255],
maroon: [128,0,0],
mediumaquamarine: [102,205,170],
mediumblue: [0,0,205],
mediumorchid: [186,85,211],
mediumpurple: [147,112,219],
mediumseagreen: [60,179,113],
mediumslateblue: [123,104,238],
mediumspringgreen: [0,250,154],
mediumturquoise: [72,209,204],
mediumvioletred: [199,21,133],
midnightblue: [25,25,112],
mintcream: [245,255,250],
mistyrose: [255,228,225],
moccasin: [255,228,181],
navajowhite: [255,222,173],
navy: [0,0,128],
oldlace: [253,245,230],
olive: [128,128,0],
olivedrab: [107,142,35],
orange: [255,165,0],
orangered: [255,69,0],
orchid: [218,112,214],
palegoldenrod: [238,232,170],
palegreen: [152,251,152],
paleturquoise: [175,238,238],
palevioletred: [219,112,147],
papayawhip: [255,239,213],
peachpuff: [255,218,185],
peru: [205,133,63],
pink: [255,192,203],
plum: [221,160,221],
powderblue: [176,224,230],
purple: [128,0,128],
rebeccapurple: [102, 51, 153],
red: [255,0,0],
rosybrown: [188,143,143],
royalblue: [65,105,225],
saddlebrown: [139,69,19],
salmon: [250,128,114],
sandybrown: [244,164,96],
seagreen: [46,139,87],
seashell: [255,245,238],
sienna: [160,82,45],
silver: [192,192,192],
skyblue: [135,206,235],
slateblue: [106,90,205],
slategray: [112,128,144],
slategrey: [112,128,144],
snow: [255,250,250],
springgreen: [0,255,127],
steelblue: [70,130,180],
tan: [210,180,140],
teal: [0,128,128],
thistle: [216,191,216],
tomato: [255,99,71],
turquoise: [64,224,208],
violet: [238,130,238],
wheat: [245,222,179],
white: [255,255,255],
whitesmoke: [245,245,245],
yellow: [255,255,0],
yellowgreen: [154,205,50]
};
function rgb2hex(args) {
var integer = ((Math.round(args[0]) & 0xFF) << 16)
+ ((Math.round(args[1]) & 0xFF) << 8)
+ (Math.round(args[2]) & 0xFF);
var reverseKeywords = {};
for (var key in cssKeywords) {
reverseKeywords[JSON.stringify(cssKeywords[key])] = key;
var string = integer.toString(16).toUpperCase();
return '000000'.substring(string.length) + string;
}
function hsl2hex(args) {
return rgb2hex(hsl2rgb(args));
}
function hsv2hex(args) {
return rgb2hex(hsv2rgb(args));
}
function hwb2hex(args) {
return rgb2hex(hwb2rgb(args));
}
function cmyk2hex(args) {
return rgb2hex(cmyk2rgb(args));
}
function keyword2hex(args) {
return rgb2hex(keyword2rgb(args));
}
function ansi162hex(args) {
return rgb2hex(ansi162rgb(args));
}
function ansi2hex(args) {
return rgb2hex(ansi2rgb(args));
}
function hex2rgb(args) {
var match = args.toString(16).match(/[a-f0-9]{6}/i);
if (!match) {
return [0, 0, 0];
}
var integer = parseInt(match[0], 16);
var r = (integer >> 16) & 0xFF;
var g = (integer >> 8) & 0xFF;
var b = integer & 0xFF;
return [r, g, b];
}
function hex2hsl(args) {
return rgb2hsl(hex2rgb(args));
}
function hex2hsv(args) {
return rgb2hsv(hex2rgb(args));
}
function hex2hwb(args) {
return rgb2hwb(hex2rgb(args));
}
function hex2cmyk(args) {
return rgb2cmyk(hex2rgb(args));
}
function hex2keyword(args) {
return rgb2keyword(hex2rgb(args));
}
function hex2ansi16(args) {
return rgb2ansi16(hex2rgb(args));
}
function hex2ansi(args) {
return rgb2ansi(hex2rgb(args));
}

152

index.js

@@ -1,92 +0,108 @@

var conversions = require("./conversions");
var conversions = require('./conversions');
var convert = function() {
return new Converter();
var convert = function () {
return new Converter();
};
function wrapConverter(func) {
// accept array or plain args
return function (arg) {
if (typeof arg === 'number') {
arg = Array.prototype.slice.call(arguments);
}
return conversions[func](arg);
};
}
function wrapConverterQualified(func) {
return function (arg) {
if (typeof arg === 'number') {
arg = Array.prototype.slice.call(arguments);
}
var val = conversions[func](arg);
if (typeof val === 'string' || val === undefined) {
return val; // keyword
}
for (var i = 0; i < val.length; i++) {
val[i] = Math.round(val[i]);
}
return val;
};
}
for (var func in conversions) {
// export Raw versions
convert[func + "Raw"] = (function(func) {
// accept array or plain args
return function(arg) {
if (typeof arg == "number")
arg = Array.prototype.slice.call(arguments);
return conversions[func](arg);
}
})(func);
if (!conversions.hasOwnProperty(func)) {
continue;
}
var pair = /(\w+)2(\w+)/.exec(func),
from = pair[1],
to = pair[2];
// export Raw versions
convert[func + 'Raw'] = wrapConverter(func);
// export rgb2hsl and ["rgb"]["hsl"]
convert[from] = convert[from] || {};
var pair = /(\w+)2(\w+)/.exec(func);
var from = pair[1];
var to = pair[2];
convert[from][to] = convert[func] = (function(func) {
return function(arg) {
if (typeof arg == "number")
arg = Array.prototype.slice.call(arguments);
var val = conversions[func](arg);
if (typeof val == "string" || val === undefined)
return val; // keyword
// export rgb2hsl and ["rgb"]["hsl"]
convert[from] = convert[from] || {};
for (var i = 0; i < val.length; i++)
val[i] = Math.round(val[i]);
return val;
}
})(func);
convert[from][to] = convert[func] = wrapConverterQualified(func);
}
/* Converter does lazy conversion and caching */
var Converter = function() {
this.convs = {};
};
function Converter() {
this.convs = {};
}
/* Either get the values for a space or
set the values for a space, depending on args */
Converter.prototype.routeSpace = function(space, args) {
var values = args[0];
if (values === undefined) {
// color.rgb()
return this.getValues(space);
}
// color.rgb(10, 10, 10)
if (typeof values == "number") {
values = Array.prototype.slice.call(args);
}
set the values for a space, depending on args */
Converter.prototype.routeSpace = function (space, args) {
var values = args[0];
if (values === undefined) {
// color.rgb()
return this.getValues(space);
}
return this.setValues(space, values);
// color.rgb(10, 10, 10)
if (typeof values === 'number') {
values = Array.prototype.slice.call(args);
}
return this.setValues(space, values);
};
/* Set the values for a space, invalidating cache */
Converter.prototype.setValues = function(space, values) {
this.space = space;
this.convs = {};
this.convs[space] = values;
return this;
Converter.prototype.setValues = function (space, values) {
this.space = space;
this.convs = {};
this.convs[space] = values;
return this;
};
/* Get the values for a space. If there's already
a conversion for the space, fetch it, otherwise
compute it */
Converter.prototype.getValues = function(space) {
var vals = this.convs[space];
if (!vals) {
var fspace = this.space,
from = this.convs[fspace];
vals = convert[fspace][space](from);
a conversion for the space, fetch it, otherwise
compute it */
Converter.prototype.getValues = function (space) {
var vals = this.convs[space];
this.convs[space] = vals;
}
return vals;
if (!vals) {
var fspace = this.space;
var from = this.convs[fspace];
vals = convert[fspace][space](from);
this.convs[space] = vals;
}
return vals;
};
["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) {
Converter.prototype[space] = function(vals) {
return this.routeSpace(space, arguments);
}
['rgb', 'hsl', 'hsv', 'cmyk', 'keyword'].forEach(function (space) {
Converter.prototype[space] = function () {
return this.routeSpace(space, arguments);
};
});
module.exports = convert;
module.exports = convert;

38

package.json
{
"name": "color-convert",
"description": "Plain color conversion functions",
"version": "0.6.0",
"version": "0.7.0",
"author": "Heather Arthur <fayearthur@gmail.com>",
"repository": {
"type": "git",
"url": "http://github.com/harthur/color-convert.git"
},
"devDependencies": {
},
"license": "MIT",
"repository": "MoOx/color-convert",
"scripts": {
"pretest": "xo",
"test": "node test/basic.js"

@@ -18,4 +15,27 @@ },

"colour",
"rgb"
]
"convert",
"converter",
"conversion",
"rgb",
"hsl",
"hsv",
"hwb",
"cmyk",
"ansi",
"ansi16"
],
"files": [
"index.js",
"conversions.js"
],
"xo": {
"rules": {
"default-case": 0,
"no-inline-comments": 0,
"operator-linebreak": 0
}
},
"devDependencies": {
"xo": "^0.11.2"
}
}

2

README.md
# color-convert
[![Build Status](https://travis-ci.org/harthur/color-convert.svg?branch=master)](https://travis-ci.org/harthur/color-convert)
[![Build Status](https://travis-ci.org/MoOx/color-convert.svg?branch=master)](https://travis-ci.org/MoOx/color-convert)

@@ -5,0 +5,0 @@ Color-convert is a color conversion library for JavaScript and node.

.travis.yml
component.json
test/basic.js
test/speed.js
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