color.js

/*
Copyright (c) 2012 Heather Arthur

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


*/!function(a,b,c){function d(c,f){if(!b[c]){if(!a[c]){var g="function"==typeof require&&require;if(!f&&g)return g(c,!0);if(e)return e(c,!0);throw new Error("Cannot find module '"+c+"'")}var h=b[c]={exports:{}};a[c][0].call(h.exports,function(b){var e=a[c][1][b];return d(e?e:b)},h,h.exports)}return b[c].exports}for(var e="function"==typeof require&&require,f=0;f<c.length;f++)d(c[f]);return d}({1:[function(a){Color=a("./color")},{"./color":2}],2:[function(a,b){var c=a("color-convert"),d=a("color-string");b.exports=function(a){return new e(a)};var e=function(a){if(this.values={rgb:[0,0,0],hsl:[0,0,0],hsv:[0,0,0],cmyk:[0,0,0,0],alpha:1},"string"==typeof a){var b=d.getRgba(a);b?this.setValues("rgb",b):(b=d.getHsla(a))&&this.setValues("hsl",b)}else if("object"==typeof a){var b=a;void 0!==b.r||void 0!==b.red?this.setValues("rgb",b):void 0!==b.l||void 0!==b.lightness?this.setValues("hsl",b):void 0!==b.v||void 0!==b.value?this.setValues("hsv",b):(void 0!==b.c||void 0!==b.cyan)&&this.setValues("cmyk",b)}};e.prototype={rgb:function(){return this.setSpace("rgb",arguments)},hsl:function(){return this.setSpace("hsl",arguments)},hsv:function(){return this.setSpace("hsv",arguments)},cmyk:function(){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 a=this.values.rgb;return a.concat([this.values.alpha])},hslaArray:function(){var a=this.values.hsl;return a.concat([this.values.alpha])},alpha:function(a){return void 0===a?this.values.alpha:(this.setValues("alpha",a),this)},red:function(a){return this.setChannel("rgb",0,a)},green:function(a){return this.setChannel("rgb",1,a)},blue:function(a){return this.setChannel("rgb",2,a)},hue:function(a){return this.setChannel("hsl",0,a)},saturation:function(a){return this.setChannel("hsl",1,a)},lightness:function(a){return this.setChannel("hsl",2,a)},saturationv:function(a){return this.setChannel("hsv",1,a)},value:function(a){return this.setChannel("hsv",2,a)},cyan:function(a){return this.setChannel("cmyk",0,a)},magenta:function(a){return this.setChannel("cmyk",1,a)},yellow:function(a){return this.setChannel("cmyk",2,a)},black:function(a){return this.setChannel("cmyk",3,a)},hexString:function(){return d.hexString(this.values.rgb)},rgbString:function(){return d.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function(){return d.rgbaString(this.values.rgb,this.values.alpha)},percentString:function(){return d.percentString(this.values.rgb,this.values.alpha)},hslString:function(){return d.hslString(this.values.hsl,this.values.alpha)},hslaString:function(){return d.hslaString(this.values.hsl,this.values.alpha)},keyword:function(){return d.keyword(this.values.rgb,this.values.alpha)},luminosity:function(){for(var a=this.values.rgb,b=[],c=0;c<a.length;c++){var d=a[c]/255;b[c]=.03928>=d?d/12.92:Math.pow((d+.055)/1.055,2.4)}return.2126*b[0]+.7152*b[1]+.0722*b[2]},contrast:function(a){var b=this.luminosity(),c=a.luminosity();return b>c?(b+.05)/(c+.05):(c+.05)/(b+.05)},dark:function(){var a=this.values.rgb,b=(299*a[0]+587*a[1]+114*a[2])/1e3;return 128>b},light:function(){return!this.dark()},negate:function(){for(var a=[],b=0;3>b;b++)a[b]=255-this.values.rgb[b];return this.setValues("rgb",a),this},lighten:function(a){return this.values.hsl[2]+=this.values.hsl[2]*a,this.setValues("hsl",this.values.hsl),this},darken:function(a){return this.values.hsl[2]-=this.values.hsl[2]*a,this.setValues("hsl",this.values.hsl),this},saturate:function(a){return this.values.hsl[1]+=this.values.hsl[1]*a,this.setValues("hsl",this.values.hsl),this},desaturate:function(a){return this.values.hsl[1]-=this.values.hsl[1]*a,this.setValues("hsl",this.values.hsl),this},greyscale:function(){var a=this.values.rgb,b=.3*a[0]+.59*a[1]+.11*a[2];return this.setValues("rgb",[b,b,b]),this},clearer:function(a){return this.setValues("alpha",this.values.alpha-this.values.alpha*a),this},opaquer:function(a){return this.setValues("alpha",this.values.alpha+this.values.alpha*a),this},rotate:function(a){var b=this.values.hsl[0];return b=(b+a)%360,b=0>b?360+b:b,this.values.hsl[0]=b,this.setValues("hsl",this.values.hsl),this},mix:function(a,b){b=1-(null==b?.5:b);for(var c=2*b-1,d=this.alpha()-a.alpha(),e=((-1==c*d?c:(c+d)/(1+c*d))+1)/2,f=1-e,g=this.rgbArray(),h=a.rgbArray(),i=0;i<g.length;i++)g[i]=g[i]*e+h[i]*f;this.setValues("rgb",g);var j=this.alpha()*b+a.alpha()*(1-b);return this.setValues("alpha",j),this},toJSON:function(){return this.rgb()}},e.prototype.getValues=function(a){for(var b={},c=0;c<a.length;c++)b[a[c]]=this.values[a][c];return 1!=this.values.alpha&&(b.a=this.values.alpha),b},e.prototype.setValues=function(a,b){var d={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],cmyk:["cyan","magenta","yellow","black"]},e={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],cmyk:[100,100,100,100]},f=1;if("alpha"==a)f=b;else if(b.length)this.values[a]=b.slice(0,a.length),f=b[a.length];else if(void 0!==b[a[0]]){for(var g=0;g<a.length;g++)this.values[a][g]=b[a[g]];f=b.a}else if(void 0!==b[d[a][0]]){for(var h=d[a],g=0;g<a.length;g++)this.values[a][g]=b[h[g]];f=b.alpha}if(this.values.alpha=Math.max(0,Math.min(1,void 0!==f?f:this.values.alpha)),"alpha"!=a){for(var i in d){i!=a&&(this.values[i]=c[a][i](this.values[a]));for(var g=0;g<i.length;g++){var j=Math.max(0,Math.min(e[i][g],this.values[i][g]));this.values[i][g]=Math.round(j)}}return!0}},e.prototype.setSpace=function(a,b){var c=b[0];return void 0===c?this.getValues(a):("number"==typeof c&&(c=Array.prototype.slice.call(b)),this.setValues(a,c),this)},e.prototype.setChannel=function(a,b,c){return void 0===c?this.values[a][b]:(this.values[a][b]=c,this.setValues(a,this.values[a]),this)}},{"color-convert":3,"color-string":4}],3:[function(a,b,c){var d=a("./conversions"),c={};b.exports=c;for(var e in d){c[e+"Raw"]=function(a){return function(b){return"number"==typeof b&&(b=Array.prototype.slice.call(arguments)),d[a](b)}}(e);var f=/(\w+)2(\w+)/.exec(e),g=f[1],h=f[2];c[g]=c[g]||{},c[g][h]=c[e]=function(a){return function(b){"number"==typeof b&&(b=Array.prototype.slice.call(arguments));var c=d[a](b);if("string"==typeof c||void 0===c)return c;for(var e=0;e<c.length;e++)c[e]=Math.round(c[e]);return c}}(e)}},{"./conversions":5}],5:[function(a,b){function c(a){var b,c,d,e=a[0]/255,f=a[1]/255,g=a[2]/255,h=Math.min(e,f,g),i=Math.max(e,f,g),j=i-h;return i==h?b=0:e==i?b=(f-g)/j:f==i?b=2+(g-e)/j:g==i&&(b=4+(e-f)/j),b=Math.min(60*b,360),0>b&&(b+=360),d=(h+i)/2,c=i==h?0:.5>=d?j/(i+h):j/(2-i-h),[b,100*c,100*d]}function d(a){var b,c,d,e=a[0],f=a[1],g=a[2],h=Math.min(e,f,g),i=Math.max(e,f,g),j=i-h;return c=0==i?0:1e3*(j/i)/10,i==h?b=0:e==i?b=(f-g)/j:f==i?b=2+(g-e)/j:g==i&&(b=4+(e-f)/j),b=Math.min(60*b,360),0>b&&(b+=360),d=1e3*(i/255)/10,[b,c,d]}function e(a){var b,c,d,e,f=a[0]/255,g=a[1]/255,h=a[2]/255;return e=Math.min(1-f,1-g,1-h),b=(1-f-e)/(1-e),c=(1-g-e)/(1-e),d=(1-h-e)/(1-e),[100*b,100*c,100*d,100*e]}function f(a){return A[JSON.stringify(a)]}function g(a){var b=a[0]/255,c=a[1]/255,d=a[2]/255;b=b>.04045?Math.pow((b+.055)/1.055,2.4):b/12.92,c=c>.04045?Math.pow((c+.055)/1.055,2.4):c/12.92,d=d>.04045?Math.pow((d+.055)/1.055,2.4):d/12.92;var e=.4124*b+.3576*c+.1805*d,f=.2126*b+.7152*c+.0722*d,g=.0193*b+.1192*c+.9505*d;return[100*e,100*f,100*g]}function h(a){var b,c,d,e=g(a),f=e[0],h=e[1],i=e[2];return f/=95.047,h/=100,i/=108.883,f=f>.008856?Math.pow(f,1/3):7.787*f+16/116,h=h>.008856?Math.pow(h,1/3):7.787*h+16/116,i=i>.008856?Math.pow(i,1/3):7.787*i+16/116,b=116*h-16,c=500*(f-h),d=200*(h-i),[b,c,d]}function i(a){var b,c,d,e,f,g=a[0]/360,h=a[1]/100,i=a[2]/100;if(0==h)return f=255*i,[f,f,f];c=.5>i?i*(1+h):i+h-i*h,b=2*i-c,e=[0,0,0];for(var j=0;3>j;j++)d=g+1/3*-(j-1),0>d&&d++,d>1&&d--,f=1>6*d?b+6*(c-b)*d:1>2*d?c:2>3*d?b+6*(c-b)*(2/3-d):b,e[j]=255*f;return e}function j(a){var b,c,d=a[0],e=a[1]/100,f=a[2]/100;return f*=2,e*=1>=f?f:2-f,c=(f+e)/2,b=2*e/(f+e),[d,100*e,100*c]}function k(a){return e(i(a))}function l(a){return f(i(a))}function m(a){var b=a[0]/60,c=a[1]/100,d=a[2]/100,e=Math.floor(b)%6,f=b-Math.floor(b),g=255*d*(1-c),h=255*d*(1-c*f),i=255*d*(1-c*(1-f)),d=255*d;switch(e){case 0:return[d,i,g];case 1:return[h,d,g];case 2:return[g,d,i];case 3:return[g,h,d];case 4:return[i,g,d];case 5:return[d,g,h]}}function n(a){var b,c,d=a[0],e=a[1]/100,f=a[2]/100;return c=(2-e)*f,b=e*f,b/=1>=c?c:2-c,c/=2,[d,100*b,100*c]}function o(a){return e(m(a))}function p(a){return f(m(a))}function q(a){var b,c,d,e=a[0]/100,f=a[1]/100,g=a[2]/100,h=a[3]/100;return b=1-Math.min(1,e*(1-h)+h),c=1-Math.min(1,f*(1-h)+h),d=1-Math.min(1,g*(1-h)+h),[255*b,255*c,255*d]}function r(a){return c(q(a))}function s(a){return d(q(a))}function t(a){return f(q(a))}function u(a){var b,c,d,e=a[0]/100,f=a[1]/100,g=a[2]/100;return b=3.2406*e+-1.5372*f+g*-.4986,c=e*-.9689+1.8758*f+.0415*g,d=.0557*e+f*-.204+1.057*g,b=b>.0031308?1.055*Math.pow(b,1/2.4)-.055:b=12.92*b,c=c>.0031308?1.055*Math.pow(c,1/2.4)-.055:c=12.92*c,d=d>.0031308?1.055*Math.pow(d,1/2.4)-.055:d=12.92*d,b=0>b?0:b,c=0>c?0:c,d=0>d?0:d,[255*b,255*c,255*d]}function v(a){return z[a]}function w(a){return c(v(a))}function x(a){return d(v(a))}function y(a){return e(v(a))}b.exports={rgb2hsl:c,rgb2hsv:d,rgb2cmyk:e,rgb2keyword:f,rgb2xyz:g,rgb2lab:h,hsl2rgb:i,hsl2hsv:j,hsl2cmyk:k,hsl2keyword:l,hsv2rgb:m,hsv2hsl:n,hsv2cmyk:o,hsv2keyword:p,cmyk2rgb:q,cmyk2hsl:r,cmyk2hsv:s,cmyk2keyword:t,keyword2rgb:v,keyword2hsl:w,keyword2hsv:x,keyword2cmyk:y,xyz2rgb:u};var z={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]},A={};for(var B in z)A[JSON.stringify(z[B])]=B},{}],4:[function(a,b){function c(a){if(a){var b=/^#([a-fA-F0-9]{3})$/,c=/^#([a-fA-F0-9]{6})$/,d=/^rgba?\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*([\d\.]+)\s*)?\)$/,e=/^rgba?\(\s*([\d\.]+)\%\s*,\s*([\d\.]+)\%\s*,\s*([\d\.]+)\%\s*(?:,\s*([\d\.]+)\s*)?\)$/,f=/(\D+)/,g=[0,0,0],h=1,i=a.match(b);if(i){i=i[1];for(var j=0;j<g.length;j++)g[j]=parseInt(i[j]+i[j],16)}else if(i=a.match(c)){i=i[1];for(var j=0;j<g.length;j++)g[j]=parseInt(i.slice(2*j,2*j+2),16)}else if(i=a.match(d)){for(var j=0;j<g.length;j++)g[j]=parseInt(i[j+1]);h=parseFloat(i[4])}else if(i=a.match(e)){for(var j=0;j<g.length;j++)g[j]=Math.round(2.55*parseFloat(i[j+1]));h=parseFloat(i[4])}else if(i=a.match(f)){if("transparent"==i[1])return[0,0,0,0];if(g=r.keyword2rgb(i[1]),!g)return}for(var j=0;j<g.length;j++)g[j]=p(g[j],0,255);return h=h||0==h?p(h,0,1):1,g.push(h),g}}function d(a){if(a){var b=/^hsla?\(\s*(\d+)\s*,\s*([\d\.]+)%\s*,\s*([\d\.]+)%\s*(?:,\s*([\d\.]+)\s*)?\)/,c=a.match(b);if(c){var d=p(parseInt(c[1]),0,360),e=p(parseFloat(c[2]),0,100),f=p(parseFloat(c[3]),0,100),g=p(parseFloat(c[4])||1,0,1);return[d,e,f,g]}}}function e(a){return c(a).slice(0,3)}function f(a){return d(a).slice(0,3)}function g(a){var b=c(a);return b?b[3]:(b=d(a))?b[3]:void 0}function h(a){return"#"+q(a[0])+q(a[1])+q(a[2])}function i(a,b){return 1>b||a[3]&&a[3]<1?j(a,b):"rgb("+a[0]+", "+a[1]+", "+a[2]+")"}function j(a,b){return void 0===b&&(b=void 0!==a[3]?a[3]:1),"rgba("+a[0]+", "+a[1]+", "+a[2]+", "+b+")"}function k(a,b){if(1>b||a[3]&&a[3]<1)return l(a,b);var c=Math.round(100*(a[0]/255)),d=Math.round(100*(a[1]/255)),e=Math.round(100*(a[2]/255));return"rgb("+c+"%, "+d+"%, "+e+"%)"}function l(a,b){var c=Math.round(100*(a[0]/255)),d=Math.round(100*(a[1]/255)),e=Math.round(100*(a[2]/255));return"rgba("+c+"%, "+d+"%, "+e+"%, "+(b||a[3]||1)+")"}function m(a,b){return 1>b||a[3]&&a[3]<1?n(a,b):"hsl("+a[0]+", "+a[1]+"%, "+a[2]+"%)"}function n(a,b){return"hsla("+a[0]+", "+a[1]+"%, "+a[2]+"%, "+(b||a[3]||1)+")"}function o(a){return r.rgb2keyword(a.slice(0,3))}function p(a,b,c){return Math.min(Math.max(b,a),c)}function q(a){var b=a.toString(16).toUpperCase();return b.length<2?"0"+b:b}var r=a("color-convert");b.exports={getRgba:c,getHsla:d,getRgb:e,getHsl:f,getAlpha:g,hexString:h,rgbString:i,rgbaString:j,percentString:k,percentaString:l,hslString:m,hslaString:n,keyword:o}},{"color-convert":3}]},{},[1]);