push = "push",
rg = /^(?=[\da-f]$)/,
ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i,
- colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+(?:\s*,\s*[\d\.]+)?)\s*\)|rgba?\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%(?:\s*,\s*[\d\.]+%))\s*\)|hs[bl]\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hs[bl]\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i,
+ colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+\s*,\s*[\d\.]+\s*,\s*[\d\.]+(?:\s*,\s*[\d\.]+)?)\s*\)|rgba?\(\s*([\d\.]+%\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%(?:\s*,\s*[\d\.]+%)?)\s*\)|hsb\(\s*([\d\.]+(?:deg|\xb0)?\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hsb\(\s*([\d\.]+(?:deg|\xb0|%)\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\)|hsl\(\s*([\d\.]+(?:deg|\xb0)?\s*,\s*[\d\.]+\s*,\s*[\d\.]+)\s*\)|hsl\(\s*([\d\.]+(?:deg|\xb0|%)\s*,\s*[\d\.]+%\s*,\s*[\d\.]+%)\s*\))\s*$/i,
round = math.round,
setAttribute = "setAttribute",
toFloat = parseFloat,
});
}
return toHex(color);
- };
- var hsbtoString = function () {
+ },
+ hsbtoString = function () {
return "hsb(" + [this.h, this.s, this.b] + ")";
},
+ hsltoString = function () {
+ return "hsl(" + [this.h, this.s, this.l] + ")";
+ },
rgbtoString = function () {
return this.hex;
};
- R.hsb2rgb = cacher(function (hue, saturation, brightness) {
- if (R.is(hue, "object") && "h" in hue && "s" in hue && "b" in hue) {
- brightness = hue.b;
- saturation = hue.s;
- hue = hue.h;
+ R.hsb2rgb = function (h, s, b) {
+ if (R.is(h, "object") && "h" in h && "s" in h && "b" in h) {
+ b = h.b;
+ s = h.s;
+ h = h.h;
}
- var red,
- green,
- blue;
- if (brightness == 0) {
- return {r: 0, g: 0, b: 0, hex: "#000"};
+ return R.hsl2rgb(h, s, b / 2);
+ };
+ R.hsl2rgb = function (h, s, l) {
+ if (R.is(h, "object") && "h" in h && "s" in h && "l" in h) {
+ l = h.l;
+ s = h.s;
+ h = h.h;
}
- if (hue > 1 || saturation > 1 || brightness > 1) {
- hue /= 255;
- saturation /= 255;
- brightness /= 255;
+ var rgb = {},
+ channels = ["r", "g", "b"],
+ t2, t1, t3, r, g, b;
+ if (!s) {
+ rgb = {
+ r: l,
+ g: l,
+ b: l
+ };
+ } else {
+ if (l < .5) {
+ t2 = l * (1 + s);
+ } else {
+ t2 = l + s - l * s;
+ }
+ t1 = 2 * l - t2;
+ for (var i = 0, ii = channels.length; i < ii; i++) {
+ t3 = h + 1 / 3 * -(i - 1);
+ t3 < 0 && t3++;
+ t3 > 1 && t3--;
+ if (t3 * 6 < 1) {
+ rgb[channels[i]] = t1 + (t2 - t1) * 6 * t3;
+ } else if (t3 * 2 < 1) {
+ rgb[channels[i]] = t2;
+ } else if (t3 * 3 < 2) {
+ rgb[channels[i]] = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
+ } else {
+ rgb[channels[i]] = t1;
+ }
+ }
}
- var i = ~~(hue * 6),
- f = (hue * 6) - i,
- p = brightness * (1 - saturation),
- q = brightness * (1 - (saturation * f)),
- t = brightness * (1 - (saturation * (1 - f)));
- red = [brightness, q, p, p, t, brightness, brightness][i];
- green = [t, brightness, brightness, q, p, p, t][i];
- blue = [p, p, t, brightness, brightness, q, p][i];
- red *= 255;
- green *= 255;
- blue *= 255;
- var rgb = {r: red, g: green, b: blue, toString: rgbtoString},
- r = (~~red)[toString](16),
- g = (~~green)[toString](16),
- b = (~~blue)[toString](16);
+ rgb.r *= 255;
+ rgb.g *= 255;
+ rgb.b *= 255;
+ r = (~~rgb.r)[toString](16);
+ g = (~~rgb.g)[toString](16);
+ b = (~~rgb.b)[toString](16);
r = r[rp](rg, "0");
g = g[rp](rg, "0");
b = b[rp](rg, "0");
rgb.hex = "#" + r + g + b;
+ rgb.toString = rgbtoString;
return rgb;
- }, R);
- R.rgb2hsb = cacher(function (red, green, blue) {
- if (R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
+ };
+ R.rgb2hsb = function (red, green, blue) {
+ if (green == null && R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
blue = red.b;
green = red.g;
red = red.r;
}
- if (R.is(red, string)) {
+ if (green == null && R.is(red, string)) {
var clr = R.getRGB(red);
red = clr.r;
green = clr.g;
saturation,
brightness = max;
if (min == max) {
- return {h: 0, s: 0, b: max};
+ return {h: 0, s: 0, b: max, toString: hsbtoString};
} else {
var delta = (max - min);
saturation = delta / max;
hue > 1 && hue--;
}
return {h: hue, s: saturation, b: brightness, toString: hsbtoString};
- }, R);
+ };
+ R.rgb2hsl = function (red, green, blue) {
+ if (green == null && R.is(red, "object") && "r" in red && "g" in red && "b" in red) {
+ blue = red.b;
+ green = red.g;
+ red = red.r;
+ }
+ if (green == null && R.is(red, string)) {
+ var clr = R.getRGB(red);
+ red = clr.r;
+ green = clr.g;
+ blue = clr.b;
+ }
+ if (red > 1 || green > 1 || blue > 1) {
+ red /= 255;
+ green /= 255;
+ blue /= 255;
+ }
+ var max = mmax(red, green, blue),
+ min = mmin(red, green, blue),
+ h,
+ s,
+ l = (max + min) / 2,
+ hsl;
+ if (min == max) {
+ hsl = {h: 0, s: 0, l: l};
+ } else {
+ var delta = max - min;
+ s = l < .5 ? delta / (max + min) : delta / (2 - max - min);
+ if (red == max) {
+ h = (green - blue) / delta;
+ } else if (green == max) {
+ h = 2 + (blue - red) / delta;
+ } else {
+ h = 4 + (red - green) / delta;
+ }
+ h /= 6;
+ h < 0 && h++;
+ h > 1 && h--;
+ hsl = {h: h, s: s, l: l};
+ }
+ hsl.toString = hsltoString;
+ return hsl;
+ };
var p2s = /,?([achlmqrstvxz]),?/gi,
commaSpaces = /\s*,\s*/,
hsrg = {hs: 1, rg: 1};
red = toFloat(rgb[0]);
green = toFloat(rgb[1]);
blue = toFloat(rgb[2]);
+ (rgb[0].slice(-3) == "deg" || rgb[0].slice(-1) == "\xb0") && (red /= 360);
return R.hsb2rgb(red, green, blue);
}
if (rgb[7]) {
red = toFloat(rgb[0]) * 2.55;
green = toFloat(rgb[1]) * 2.55;
blue = toFloat(rgb[2]) * 2.55;
+ (rgb[0].slice(-3) == "deg" || rgb[0].slice(-1) == "\xb0") && (red /= 360 * 2.55);
return R.hsb2rgb(red, green, blue);
}
+ if (rgb[8]) {
+ rgb = rgb[8][split](commaSpaces);
+ red = toFloat(rgb[0]);
+ green = toFloat(rgb[1]);
+ blue = toFloat(rgb[2]);
+ (rgb[0].slice(-3) == "deg" || rgb[0].slice(-1) == "\xb0") && (red /= 360);
+ return R.hsl2rgb(red, green, blue);
+ }
+ if (rgb[9]) {
+ rgb = rgb[9][split](commaSpaces);
+ red = toFloat(rgb[0]) * 2.55;
+ green = toFloat(rgb[1]) * 2.55;
+ blue = toFloat(rgb[2]) * 2.55;
+ (rgb[0].slice(-3) == "deg" || rgb[0].slice(-1) == "\xb0") && (red /= 360 * 2.55);
+ return R.hsl2rgb(red, green, blue);
+ }
rgb = {r: red, g: green, b: blue};
var r = (~~red)[toString](16),
g = (~~green)[toString](16),
projects / raphael / blobdiff