Mercurial > repos > adam-novak > hexagram
diff hexagram-6ae12361157c/hexagram/color-0.4.1.js @ 0:1407e3634bcf draft default tip
Uploaded r11 from test tool shed.
| author | adam-novak |
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| date | Tue, 22 Oct 2013 14:17:59 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hexagram-6ae12361157c/hexagram/color-0.4.1.js Tue Oct 22 14:17:59 2013 -0400 @@ -0,0 +1,1201 @@ +(function(){var global = this;function debug(){return debug};function require(p, parent){ var path = require.resolve(p) , mod = require.modules[path]; if (!mod) throw new Error('failed to require "' + p + '" from ' + parent); if (!mod.exports) { mod.exports = {}; mod.call(mod.exports, mod, mod.exports, require.relative(path), global); } return mod.exports;}require.modules = {};require.resolve = function(path){ var orig = path , reg = path + '.js' , index = path + '/index.js'; return require.modules[reg] && reg || require.modules[index] && index || orig;};require.register = function(path, fn){ require.modules[path] = fn;};require.relative = function(parent) { return function(p){ if ('debug' == p) return debug; if ('.' != p.charAt(0)) return require(p); var path = parent.split('/') , segs = p.split('/'); path.pop(); for (var i = 0; i < segs.length; i++) { var seg = segs[i]; if ('..' == seg) path.pop(); else if ('.' != seg) path.push(seg); } return require(path.join('/'), parent); };};require.register("color.js", function(module, exports, require, global){ +/* MIT license */ +var convert = require("color-convert"), + string = require("color-string"); + +module.exports = function(cssString) { + return new Color(cssString); +}; + +var Color = function(cssString) { + this.values = { + rgb: [0, 0, 0], + hsl: [0, 0, 0], + hsv: [0, 0, 0], + cmyk: [0, 0, 0, 0], + alpha: 1 + } + + // parse Color() argument + if (typeof cssString == "string") { + var vals = string.getRgba(cssString); + if (vals) { + this.setValues("rgb", vals); + } + else if(vals = string.getHsla(cssString)) { + this.setValues("hsl", vals); + } + } + else if (typeof cssString == "object") { + var vals = cssString; + if(vals["r"] !== undefined || vals["red"] !== undefined) { + this.setValues("rgb", vals) + } + else if(vals["l"] !== undefined || vals["lightness"] !== undefined) { + this.setValues("hsl", vals) + } + else if(vals["v"] !== undefined || vals["value"] !== undefined) { + this.setValues("hsv", vals) + } + else if(vals["c"] !== undefined || vals["cyan"] !== undefined) { + this.setValues("cmyk", vals) + } + } +} + +Color.prototype = { + rgb: function (vals) { + return this.setSpace("rgb", arguments); + }, + hsl: function(vals) { + return this.setSpace("hsl", arguments); + }, + hsv: function(vals) { + return this.setSpace("hsv", arguments); + }, + cmyk: function(vals) { + return this.setSpace("cmyk", arguments); + }, + + rgbArray: function() { + return this.values.rgb; + }, + hslArray: function() { + return this.values.hsl; + }, + hsvArray: function() { + return this.values.hsv; + }, + cmykArray: function() { + return this.values.cmyk; + }, + rgbaArray: function() { + var rgb = this.values.rgb; + rgb.push(this.values.alpha); + return rgb; + }, + hslaArray: function() { + var hsl = this.values.hsl; + hsl.push(this.values.alpha); + return hsl; + }, + + alpha: function(val) { + if (val === undefined) { + return this.values.alpha; + } + this.setValues("alpha", val); + return this; + }, + + red: function(val) { + return this.setChannel("rgb", 0, val); + }, + green: function(val) { + return this.setChannel("rgb", 1, val); + }, + blue: function(val) { + return this.setChannel("rgb", 2, val); + }, + hue: function(val) { + return this.setChannel("hsl", 0, val); + }, + saturation: function(val) { + return this.setChannel("hsl", 1, val); + }, + lightness: function(val) { + return this.setChannel("hsl", 2, val); + }, + saturationv: function(val) { + return this.setChannel("hsv", 1, val); + }, + value: function(val) { + return this.setChannel("hsv", 2, val); + }, + cyan: function(val) { + return this.setChannel("cmyk", 0, val); + }, + magenta: function(val) { + return this.setChannel("cmyk", 1, val); + }, + yellow: function(val) { + return this.setChannel("cmyk", 2, val); + }, + black: function(val) { + return this.setChannel("cmyk", 3, val); + }, + + hexString: function() { + return string.hexString(this.values.rgb); + }, + rgbString: function() { + return string.rgbString(this.values.rgb, this.values.alpha); + }, + rgbaString: function() { + return string.rgbaString(this.values.rgb, this.values.alpha); + }, + percentString: function() { + return string.percentString(this.values.rgb, this.values.alpha); + }, + hslString: function() { + return string.hslString(this.values.hsl, this.values.alpha); + }, + hslaString: function() { + return string.hslaString(this.values.hsl, this.values.alpha); + }, + keyword: function() { + return string.keyword(this.values.rgb, this.values.alpha); + }, + + luminosity: function() { + // http://www.w3.org/TR/WCAG20/#relativeluminancedef + var rgb = this.values.rgb; + for (var i = 0; i < rgb.length; i++) { + var chan = rgb[i] / 255; + rgb[i] = (chan <= 0.03928) ? chan / 12.92 + : Math.pow(((chan + 0.055) / 1.055), 2.4) + } + return 0.2126 * rgb[0] + 0.7152 * rgb[1] + 0.0722 * rgb[2]; + }, + + contrast: function(color2) { + // http://www.w3.org/TR/WCAG20/#contrast-ratiodef + var lum1 = this.luminosity(); + var lum2 = color2.luminosity(); + if (lum1 > lum2) { + return (lum1 + 0.05) / (lum2 + 0.05) + }; + return (lum2 + 0.05) / (lum1 + 0.05); + }, + + dark: function() { + // YIQ equation from http://24ways.org/2010/calculating-color-contrast + var rgb = this.values.rgb, + yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; + return yiq < 128; + }, + + light: function() { + return !this.dark(); + }, + + negate: function() { + var rgb = [] + for (var i = 0; i < 3; i++) { + rgb[i] = 255 - this.values.rgb[i]; + } + this.setValues("rgb", rgb); + return this; + }, + + lighten: function(ratio) { + this.values.hsl[2] += this.values.hsl[2] * ratio; + this.setValues("hsl", this.values.hsl); + return this; + }, + + darken: function(ratio) { + this.values.hsl[2] -= this.values.hsl[2] * ratio; + this.setValues("hsl", this.values.hsl); + return this; + }, + + saturate: function(ratio) { + this.values.hsl[1] += this.values.hsl[1] * ratio; + this.setValues("hsl", this.values.hsl); + return this; + }, + + desaturate: function(ratio) { + this.values.hsl[1] -= this.values.hsl[1] * ratio; + this.setValues("hsl", this.values.hsl); + return this; + }, + + greyscale: function() { + var rgb = this.values.rgb; + // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale + var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; + this.setValues("rgb", [val, val, val]); + return this; + }, + + clearer: function(ratio) { + this.setValues("alpha", this.values.alpha - (this.values.alpha * ratio)); + return this; + }, + + opaquer: function(ratio) { + this.setValues("alpha", this.values.alpha + (this.values.alpha * ratio)); + return this; + }, + + rotate: function(degrees) { + var hue = this.values.hsl[0]; + hue = (hue + degrees) % 360; + hue = hue < 0 ? 360 + hue : hue; + this.values.hsl[0] = hue; + this.setValues("hsl", this.values.hsl); + return this; + }, + + mix: function(color2, weight) { + weight = 1 - (weight || 0.5); + + // algorithm from Sass's mix(). Ratio of first color in mix is + // determined by the alphas of both colors and the weight + var t1 = weight * 2 - 1, + d = this.alpha() - color2.alpha(); + + var weight1 = (((t1 * d == -1) ? t1 : (t1 + d) / (1 + t1 * d)) + 1) / 2; + var weight2 = 1 - weight1; + + var rgb = this.rgbArray(); + var rgb2 = color2.rgbArray(); + + for (var i = 0; i < rgb.length; i++) { + rgb[i] = rgb[i] * weight1 + rgb2[i] * weight2; + } + this.setValues("rgb", rgb); + + var alpha = this.alpha() * weight + color2.alpha() * (1 - weight); + this.setValues("alpha", alpha); + + return this; + }, + + toJSON: function() { + return this.rgb(); + } +} + + +Color.prototype.getValues = function(space) { + var vals = {}; + for (var i = 0; i < space.length; i++) { + vals[space[i]] = this.values[space][i]; + } + if (this.values.alpha != 1) { + vals["a"] = this.values.alpha; + } + // {r: 255, g: 255, b: 255, a: 0.4} + return vals; +} + +Color.prototype.setValues = function(space, vals) { + var spaces = { + "rgb": ["red", "green", "blue"], + "hsl": ["hue", "saturation", "lightness"], + "hsv": ["hue", "saturation", "value"], + "cmyk": ["cyan", "magenta", "yellow", "black"] + }; + + var maxes = { + "rgb": [255, 255, 255], + "hsl": [360, 100, 100], + "hsv": [360, 100, 100], + "cmyk": [100, 100, 100, 100], + }; + + var alpha = 1; + if (space == "alpha") { + alpha = vals; + } + else if (vals.length) { + // [10, 10, 10] + this.values[space] = vals.slice(0, space.length); + alpha = vals[space.length]; + } + else if (vals[space[0]] !== undefined) { + // {r: 10, g: 10, b: 10} + for (var i = 0; i < space.length; i++) { + this.values[space][i] = vals[space[i]]; + } + alpha = vals.a; + } + else if (vals[spaces[space][0]] !== undefined) { + // {red: 10, green: 10, blue: 10} + var chans = spaces[space]; + for (var i = 0; i < space.length; i++) { + this.values[space][i] = vals[chans[i]]; + } + alpha = vals.alpha; + } + this.values.alpha = Math.max(0, Math.min(1, alpha || this.values.alpha)); + if (space == "alpha") { + return; + } + + // convert to all the other color spaces + for (var sname in spaces) { + if (sname != space) { + this.values[sname] = convert[space][sname](this.values[space]) + } + + // cap values + for (var i = 0; i < sname.length; i++) { + var capped = Math.max(0, Math.min(maxes[sname][i], this.values[sname][i])); + this.values[sname][i] = Math.round(capped); + } + } + return true; +} + +Color.prototype.setSpace = function(space, args) { + var vals = args[0]; + if (vals === undefined) { + // color.rgb() + return this.getValues(space); + } + // color.rgb(10, 10, 10) + if (typeof vals == "number") { + vals = Array.prototype.slice.call(args); + } + this.setValues(space, vals); + return this; +} + +Color.prototype.setChannel = function(space, index, val) { + if (val === undefined) { + // color.red() + return this.values[space][index]; + } + // color.red(100) + this.values[space][index] = val; + this.setValues(space, this.values[space]); + return this; +} + +});require.register("color-string", function(module, exports, require, global){ +/* MIT license */ +var convert = require("color-convert"); + +module.exports = { + getRgba: getRgba, + getHsla: getHsla, + getRgb: getRgb, + getHsl: getHsl, + getAlpha: getAlpha, + + hexString: hexString, + rgbString: rgbString, + rgbaString: rgbaString, + percentString: percentString, + percentaString: percentaString, + hslString: hslString, + hslaString: hslaString, + keyword: keyword +} + +function getRgba(string) { + if (!string) { + return; + } + var abbr = /^#([a-fA-F0-9]{3})$/, + hex = /^#([a-fA-F0-9]{6})$/, + rgba = /^rgba?\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*([\d\.]+)\s*)?\)$/, + per = /^rgba?\(\s*([\d\.]+)\%\s*,\s*([\d\.]+)\%\s*,\s*([\d\.]+)\%\s*(?:,\s*([\d\.]+)\s*)?\)$/, + keyword = /(\D+)/; + + var rgb = [0, 0, 0], + a = 1, + match = string.match(abbr); + if (match) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i] + match[i], 16); + } + } + else if (match = string.match(hex)) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); + } + } + else if (match = string.match(rgba)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i + 1]); + } + a = parseFloat(match[4]); + } + else if (match = string.match(per)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); + } + a = parseFloat(match[4]); + } + else if (match = string.match(keyword)) { + if (match[1] == "transparent") { + return [0, 0, 0, 0]; + } + rgb = convert.keyword2rgb(match[1]); + if (!rgb) { + return; + } + } + + for (var i = 0; i < rgb.length; i++) { + rgb[i] = scale(rgb[i], 0, 255); + } + if (!a) { + a = 1; + } + else { + a = scale(a, 0, 1); + } + rgb.push(a); + return rgb; +} + +function getHsla(string) { + if (!string) { + return; + } + var hsl = /^hsla?\(\s*(\d+)\s*,\s*([\d\.]+)%\s*,\s*([\d\.]+)%\s*(?:,\s*([\d\.]+)\s*)?\)/; + var match = string.match(hsl); + if (match) { + var h = scale(parseInt(match[1]), 0, 360), + s = scale(parseFloat(match[2]), 0, 100), + l = scale(parseFloat(match[3]), 0, 100), + a = scale(parseFloat(match[4]) || 1, 0, 1); + return [h, s, l, a]; + } +} + +function getRgb(string) { + var rgba = getRgba(string); + return rgba && rgba.slice(0, 3); +} + +function getHsl(string) { + var hsla = getHsla(string); + return hsla && hsla.slice(0, 3); +} + +function getAlpha(string) { + var vals = getRgba(string); + if (vals) { + return vals[3]; + } + else if (vals = getHsla(string)) { + return vals[3]; + } +} + +// generators +function hexString(rgb) { + return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1]) + + hexDouble(rgb[2]); +} + +function rgbString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return rgbaString(rgba, alpha); + } + return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; +} + +function rgbaString(rgba, alpha) { + return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + + ", " + (alpha || rgba[3] || 1) + ")"; +} + +function percentString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return percentaString(rgba, alpha); + } + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + + return "rgb(" + r + "%, " + g + "%, " + b + "%)"; +} + +function percentaString(rgba, alpha) { + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; +} + +function hslString(hsla, alpha) { + if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { + return hslaString(hsla, alpha); + } + return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; +} + +function hslaString(hsla, alpha) { + return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + + (alpha || hsla[3] || 1) + ")"; +} + +function keyword(rgb) { + return convert.rgb2keyword(rgb.slice(0, 3)); +} + +// helpers +function scale(num, min, max) { + return Math.min(Math.max(min, num), max); +} + +function hexDouble(num) { + var str = num.toString(16).toUpperCase(); + return (str.length < 2) ? "0" + str : str; +} + +});require.register("color-convert", function(module, exports, require, global){ +var conversions = require("conversions"); + +var convert = function() { + return new Converter(); +} + +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); + + var pair = /(\w+)2(\w+)/.exec(func), + from = pair[1], + to = pair[2]; + + // export rgb2hsl and ["rgb"]["hsl"] + convert[from] = convert[from] || {}; + + 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 + } + + round(val) + return val; + } + })(func); +} + + +/* Converter does lazy conversion and caching */ +var Converter = function() { + this.space = "rgb"; + this.convs = { + 'rgb': [0, 0, 0] + }; +}; + +/* 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); + } + + 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; +}; + +/* 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); + + this.convs[space] = vals; + } + else { + round(vals); + } + return vals; +}; + +function round(val) { + for (var i = 0; i < val.length; i++) { + val[i] = Math.round(val[i]); + } +}; + +["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { + Converter.prototype[space] = function(vals) { + return this.routeSpace(space, arguments); + } +}); + +module.exports = convert; +});require.register("conversions", function(module, exports, require, global){ +/* MIT license */ + +module.exports = { + rgb2hsl: rgb2hsl, + rgb2hsv: rgb2hsv, + rgb2cmyk: rgb2cmyk, + rgb2keyword: rgb2keyword, + rgb2xyz: rgb2xyz, + rgb2lab: rgb2lab, + + hsl2rgb: hsl2rgb, + hsl2hsv: hsl2hsv, + hsl2cmyk: hsl2cmyk, + hsl2keyword: hsl2keyword, + + hsv2rgb: hsv2rgb, + hsv2hsl: hsv2hsl, + hsv2cmyk: hsv2cmyk, + hsv2keyword: hsv2keyword, + + cmyk2rgb: cmyk2rgb, + cmyk2hsl: cmyk2hsl, + cmyk2hsv: cmyk2hsv, + cmyk2keyword: cmyk2keyword, + + keyword2rgb: keyword2rgb, + keyword2hsl: keyword2hsl, + keyword2hsv: keyword2hsv, + keyword2cmyk: keyword2cmyk, + keyword2lab: keyword2lab, + keyword2xyz: keyword2xyz, + + xyz2rgb: xyz2rgb, + xyz2lab: xyz2lab, + + lab2xyz: lab2xyz, +} + + +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; + + 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); + + if (h < 0) + h += 360; + + l = (min + max) / 2; + + 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]; +} + +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; + + 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; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + v = ((max / 255) * 1000) / 10; + + return [h, s, v]; +} + +function rgb2cmyk(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255, + c, m, y, k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k); + m = (1 - g - k) / (1 - k); + y = (1 - b - k) / (1 - k); + return [c * 100, m * 100, y * 100, k * 100]; +} + +function rgb2keyword(rgb) { + return reverseKeywords[JSON.stringify(rgb)]; +} + +function rgb2xyz(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + 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); + + 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]; +} + +function rgb2lab(rgb) { + var xyz = rgb2xyz(rgb), + x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + 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); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + + +function hsl2rgb(hsl) { + var h = hsl[0] / 360, + s = hsl[1] / 100, + l = hsl[2] / 100, + t1, t2, t3, rgb, 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; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * - (i - 1); + t3 < 0 && t3++; + t3 > 1 && t3--; + + 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[i] = val * 255; + } + + return rgb; +} + +function hsl2hsv(hsl) { + var h = hsl[0], + s = hsl[1] / 100, + l = hsl[2] / 100, + sv, v; + l *= 2; + s *= (l <= 1) ? l : 2 - l; + v = (l + s) / 2; + sv = (2 * s) / (l + s); + return [h, sv * 100, v * 100]; +} + +function hsl2cmyk(args) { + return rgb2cmyk(hsl2rgb(args)); +} + +function hsl2keyword(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 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; + + 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; + + l = (2 - s) * v; + sl = s * v; + sl /= (l <= 1) ? l : 2 - l; + l /= 2; + return [h, sl * 100, l * 100]; +} + +function hsv2cmyk(args) { + return rgb2cmyk(hsv2rgb(args)); +} + +function hsv2keyword(args) { + return rgb2keyword(hsv2rgb(args)); +} + +function cmyk2rgb(cmyk) { + var c = cmyk[0] / 100, + m = cmyk[1] / 100, + y = cmyk[2] / 100, + k = cmyk[3] / 100, + r, g, 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]; +} + +function cmyk2hsl(args) { + return rgb2hsl(cmyk2rgb(args)); +} + +function cmyk2hsv(args) { + return rgb2hsv(cmyk2rgb(args)); +} + +function cmyk2keyword(args) { + return rgb2keyword(cmyk2rgb(args)); +} + + +function xyz2rgb(xyz) { + var x = xyz[0] / 100, + y = xyz[1] / 100, + z = xyz[2] / 100, + r, g, 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); + + // assume sRGB + r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r = (r * 12.92); + + g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g = (g * 12.92); + + b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b = (b * 12.92); + + r = (r < 0) ? 0 : r; + g = (g < 0) ? 0 : g; + b = (b < 0) ? 0 : b; + + return [r * 255, g * 255, b * 255]; +} + +function xyz2lab(xyz) { + var x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + 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); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + +function lab2xyz(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + x, y, z, 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); + } + + 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); + + return [x, y, z]; +} + +function keyword2rgb(keyword) { + return cssKeywords[keyword]; +} + +function keyword2hsl(args) { + return rgb2hsl(keyword2rgb(args)); +} + +function keyword2hsv(args) { + return rgb2hsv(keyword2rgb(args)); +} + +function keyword2cmyk(args) { + return rgb2cmyk(keyword2rgb(args)); +} + +function keyword2lab(args) { + return rgb2lab(keyword2rgb(args)); +} + +function keyword2xyz(args) { + return rgb2xyz(keyword2rgb(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], + 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) { + reverseKeywords[JSON.stringify(cssKeywords[key])] = key; +} + +});Color = require('color.js'); +})();