* jQuery Color Animations
* Copyright 2007 John Resig
* Released under the MIT and GPL licenses.
+ *
+ * - 2011-01-05: Modified by Krinkle to use the jQuery.colorUtil plugin (needs to be loaded first)
*/
(function(jQuery){
jQuery.fx.step[attr] = function(fx){
if ( fx.state == 0 ) {
fx.start = getColor( fx.elem, attr );
- fx.end = getRGB( fx.end );
+ fx.end = $.colorUtil.getRGB( fx.end );
}
fx.elem.style[attr] = "rgb(" + [
].join(",") + ")";
}
});
-
- // Color Conversion functions from highlightFade
- // By Blair Mitchelmore
- // http://jquery.offput.ca/highlightFade/
-
- // Parse strings looking for color tuples [255,255,255]
- function getRGB(color) {
- var result;
-
- // Check if we're already dealing with an array of colors
- if ( color && color.constructor == Array && color.length == 3 )
- return color;
-
- // 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]), parseInt(result[2]), parseInt(result[3])];
-
- // 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])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55];
-
- // 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 #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)];
-
- // Otherwise, we're most likely dealing with a named color
- return colors[jQuery.trim(color).toLowerCase()];
- }
function getColor(elem, attr) {
var color;
attr = "backgroundColor";
} while ( elem = elem.parentNode );
- return getRGB(color);
- };
-
- // Some named colors to work with
- // From Interface by Stefan Petre
- // http://interface.eyecon.ro/
-
- var 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]
+ return $.colorUtil.getRGB(color);
};
})(jQuery);
--- /dev/null
+/*
+ * 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.
+ */
+( 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;
+ }
+
+ // 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 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 #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 #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;
+ }
+
+ // Otherwise, we're most likely dealing with a named color
+ return $.colorUtil.colors[jQuery.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;
+ }
+ 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( ',' ) +
+ ')';
+ }
+
+ };
+
+} )( jQuery );
\ No newline at end of file