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Diffstat (limited to 'resources/jquery/jquery.colorUtil.js')
| -rw-r--r-- | resources/jquery/jquery.colorUtil.js | 379 |
1 files changed, 201 insertions, 178 deletions
diff --git a/resources/jquery/jquery.colorUtil.js b/resources/jquery/jquery.colorUtil.js index 1116aec6..c1fe7fe3 100644 --- a/resources/jquery/jquery.colorUtil.js +++ b/resources/jquery/jquery.colorUtil.js @@ -2,192 +2,215 @@ * jQuery Color Utilities * Written by Krinkle in 2011 * Released under the MIT and GPL licenses. - * Mostly based on other plugins and functions (taken through JSLint and optimized a little). - * Sources cited locally. + * Mostly based on other plugins and functions (linted and optimized a little). + * Sources cited inline. */ -( function( $ ) { -$.colorUtil = { - - // Color Conversion function from highlightFade - // By Blair Mitchelmore - // http://jquery.offput.ca/highlightFade/ - // Parse strings looking for color tuples [255,255,255] - getRGB : function( color ) { - var result; - - // Check if we're already dealing with an array of colors - if ( color && color.constructor == Array && color.length == 3 ){ - return color; - } +( function ( $ ) { + $.colorUtil = { - // Look for rgb(num,num,num) - if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color)) { - return [parseInt(result[1],10), parseInt(result[2],10), parseInt(result[3],10)]; - } + // Color Conversion function from highlightFade + // By Blair Mitchelmore + // http://jquery.offput.ca/highlightFade/ + // Parse strings looking for color tuples [255,255,255] + getRGB : function ( color ) { + /*jshint boss:true */ + var result; - // Look for rgb(num%,num%,num%) - if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color)) { - return [parseFloat(result[1],10)*2.55, parseFloat(result[2],10)*2.55, parseFloat(result[3])*2.55]; - } + // Check if we're already dealing with an array of colors + if ( color && $.isArray( color ) && color.length === 3 ) { + return color; + } - // Look for #a0b1c2 - if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color)) { - return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)]; - } + // Look for rgb(num,num,num) + if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color)) { + return [parseInt(result[1],10), parseInt(result[2],10), parseInt(result[3],10)]; + } - // Look for #fff - if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color)) { - return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)]; - } + // Look for rgb(num%,num%,num%) + if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color)) { + return [parseFloat(result[1],10)*2.55, parseFloat(result[2],10)*2.55, parseFloat(result[3])*2.55]; + } - // Look for rgba(0, 0, 0, 0) == transparent in Safari 3 - if (result = /rgba\(0, 0, 0, 0\)/.exec(color)) { - return $.colorUtil.colors.transparent; - } + // Look for #a0b1c2 + if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color)) { + return [parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16)]; + } - // Otherwise, we're most likely dealing with a named color - return $.colorUtil.colors[$.trim(color).toLowerCase()]; - }, - - // Some named colors to work with - // From Interface by Stefan Petre - // http://interface.eyecon.ro/ - colors: { - aqua:[0,255,255], - azure:[240,255,255], - beige:[245,245,220], - black:[0,0,0], - blue:[0,0,255], - brown:[165,42,42], - cyan:[0,255,255], - darkblue:[0,0,139], - darkcyan:[0,139,139], - darkgrey:[169,169,169], - darkgreen:[0,100,0], - 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], - darkviolet:[148,0,211], - fuchsia:[255,0,255], - gold:[255,215,0], - green:[0,128,0], - indigo:[75,0,130], - khaki:[240,230,140], - lightblue:[173,216,230], - lightcyan:[224,255,255], - lightgreen:[144,238,144], - lightgrey:[211,211,211], - lightpink:[255,182,193], - lightyellow:[255,255,224], - lime:[0,255,0], - magenta:[255,0,255], - maroon:[128,0,0], - navy:[0,0,128], - olive:[128,128,0], - orange:[255,165,0], - pink:[255,192,203], - purple:[128,0,128], - violet:[128,0,128], - red:[255,0,0], - silver:[192,192,192], - white:[255,255,255], - yellow:[255,255,0], - transparent: [255,255,255] - }, - /** - * http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript - * Converts an RGB color value to HSL. Conversion formula - * adapted from http://en.wikipedia.org/wiki/HSL_color_space. - * Assumes r, g, and b are contained in the set [0, 255] and - * returns h, s, and l in the set [0, 1]. - * - * @param Number R The red color value - * @param Number G The green color value - * @param Number B The blue color value - * @return Array The HSL representation - */ - rgbToHsl: function( R, G, B ) { - var r = R / 255, - g = G / 255, - b = B / 255; - var max = Math.max(r, g, b), min = Math.min(r, g, b); - var h, s, l = (max + min) / 2; - - if(max == min){ - h = s = 0; // achromatic - }else{ - var d = max - min; - s = l > 0.5 ? d / (2 - max - min) : d / (max + min); - switch(max){ - case r: h = (g - b) / d + (g < b ? 6 : 0); break; - case g: h = (b - r) / d + 2; break; - case b: h = (r - g) / d + 4; break; + // Look for #fff + if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color)) { + return [parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16)]; + } + + // Look for rgba(0, 0, 0, 0) == transparent in Safari 3 + if (result = /rgba\(0, 0, 0, 0\)/.exec(color)) { + return $.colorUtil.colors.transparent; } - h /= 6; - } - return [h, s, l]; - }, - /** - * http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript - * Converts an HSL color value to RGB. Conversion formula - * adapted from http://en.wikipedia.org/wiki/HSL_color_space. - * Assumes h, s, and l are contained in the set [0, 1] and - * returns r, g, and b in the set [0, 255]. - * - * @param Number h The hue - * @param Number s The saturation - * @param Number l The lightness - * @return Array The RGB representation - */ - hslToRgb: function( h, s, l ) { - var r, g, b; - - if(s === 0){ - r = g = b = l; // achromatic - }else{ - var hue2rgb = function(p, q, t){ - if(t < 0){ t += 1; } - if(t > 1){ t -= 1; } - if(t < 1/6){ return p + (q - p) * 6 * t; } - if(t < 1/2){ return q; } - if(t < 2/3){ return p + (q - p) * (2/3 - t) * 6; } - return p; - }; - - var q = l < 0.5 ? l * (1 + s) : l + s - l * s; - var p = 2 * l - q; - r = hue2rgb(p, q, h + 1/3); - g = hue2rgb(p, q, h); - b = hue2rgb(p, q, h - 1/3); + // Otherwise, we're most likely dealing with a named color + return $.colorUtil.colors[$.trim(color).toLowerCase()]; + }, + + // Some named colors to work with + // From Interface by Stefan Petre + // http://interface.eyecon.ro/ + colors: { + aqua: [0,255,255], + azure: [240,255,255], + beige: [245,245,220], + black: [0,0,0], + blue: [0,0,255], + brown: [165,42,42], + cyan: [0,255,255], + darkblue: [0,0,139], + darkcyan: [0,139,139], + darkgrey: [169,169,169], + darkgreen: [0,100,0], + 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], + darkviolet: [148,0,211], + fuchsia: [255,0,255], + gold: [255,215,0], + green: [0,128,0], + indigo: [75,0,130], + khaki: [240,230,140], + lightblue: [173,216,230], + lightcyan: [224,255,255], + lightgreen: [144,238,144], + lightgrey: [211,211,211], + lightpink: [255,182,193], + lightyellow: [255,255,224], + lime: [0,255,0], + magenta: [255,0,255], + maroon: [128,0,0], + navy: [0,0,128], + olive: [128,128,0], + orange: [255,165,0], + pink: [255,192,203], + purple: [128,0,128], + violet: [128,0,128], + red: [255,0,0], + silver: [192,192,192], + white: [255,255,255], + yellow: [255,255,0], + transparent: [255,255,255] + }, + + /** + * http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript + * Converts an RGB color value to HSL. Conversion formula + * adapted from http://en.wikipedia.org/wiki/HSL_color_space. + * Assumes r, g, and b are contained in the set [0, 255] and + * returns h, s, and l in the set [0, 1]. + * + * @param Number R The red color value + * @param Number G The green color value + * @param Number B The blue color value + * @return Array The HSL representation + */ + rgbToHsl: function ( R, G, B ) { + var r = R / 255, + g = G / 255, + b = B / 255; + var max = Math.max( r, g, b ), min = Math.min( r, g, b ); + var h, s, l = (max + min) / 2; + + if ( max === min ) { + // achromatic + h = s = 0; + } else { + var d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + switch ( max ) { + case r: + h = (g - b) / d + (g < b ? 6 : 0); + break; + case g: + h = (b - r) / d + 2; + break; + case b: + h = (r - g) / d + 4; + break; + } + h /= 6; + } + + return [h, s, l]; + }, + + /** + * http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript + * Converts an HSL color value to RGB. Conversion formula + * adapted from http://en.wikipedia.org/wiki/HSL_color_space. + * Assumes h, s, and l are contained in the set [0, 1] and + * returns r, g, and b in the set [0, 255]. + * + * @param Number h The hue + * @param Number s The saturation + * @param Number l The lightness + * @return Array The RGB representation + */ + hslToRgb: function ( h, s, l ) { + var r, g, b; + + if ( s === 0 ) { + r = g = b = l; // achromatic + } else { + var hue2rgb = function ( p, q, t ) { + if ( t < 0 ) { + t += 1; + } + if ( t > 1 ) { + t -= 1; + } + if ( t < 1/6 ) { + return p + (q - p) * 6 * t; + } + if ( t < 1/2 ) { + return q; + } + if ( t < 2/3 ) { + return p + (q - p) * (2/3 - t) * 6; + } + return p; + }; + + var q = l < 0.5 ? l * (1 + s) : l + s - l * s; + var p = 2 * l - q; + r = hue2rgb( p, q, h + 1/3 ); + g = hue2rgb( p, q, h ); + b = hue2rgb( p, q, h - 1/3 ); + } + + return [r * 255, g * 255, b * 255]; + }, + + /** + * Get's a brighter or darker rgb() value string. + * + * @author Krinkle + * + * @example getCSSColorMod( 'red', +0.1 ) + * @example getCSSColorMod( 'rgb(200,50,50)', -0.2 ) + * + * @param Mixed currentColor current value in css + * @param Number mod wanted brightness modification between -1 and 1 + * @return String 'rgb(r,g,b)' + */ + getColorBrightness: function ( currentColor, mod ) { + var rgbArr = $.colorUtil.getRGB( currentColor ), + hslArr = $.colorUtil.rgbToHsl(rgbArr[0], rgbArr[1], rgbArr[2] ); + rgbArr = $.colorUtil.hslToRgb(hslArr[0], hslArr[1], hslArr[2]+mod); + + return 'rgb(' + + [parseInt( rgbArr[0], 10), parseInt( rgbArr[1], 10 ), parseInt( rgbArr[2], 10 )].join( ',' ) + + ')'; } - return [r * 255, g * 255, b * 255]; - }, - /** - * Get's a brighter or darker rgb() value string. - * - * @author Krinkle - * - * @example getCSSColorMod( 'red', +0.1 ) - * @example getCSSColorMod( 'rgb(200,50,50)', -0.2 ) - * - * @param Mixed currentColor current value in css - * @param Number mod wanted brightness modification between -1 and 1 - * @return String 'rgb(r,g,b)' - */ - getColorBrightness: function( currentColor, mod ) { - var rgbArr = $.colorUtil.getRGB( currentColor ), - hslArr = $.colorUtil.rgbToHsl(rgbArr[0], rgbArr[1], rgbArr[2] ); - rgbArr = $.colorUtil.hslToRgb(hslArr[0], hslArr[1], hslArr[2]+mod); - return 'rgb(' + - [parseInt( rgbArr[0], 10), parseInt( rgbArr[1], 10 ), parseInt( rgbArr[2], 10 )].join( ',' ) + - ')'; - } - -}; -} )( jQuery );
\ No newline at end of file + }; + +}( jQuery ) ); |