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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /resources/src/jquery/jquery.colorUtil.js
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
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+/*!
+ * jQuery Color Utilities
+ *
+ * Released under the MIT and GPL licenses.
+ *
+ * Mostly based on other plugins and functions (linted and optimized a little).
+ * Sources cited inline.
+ */
+( function ( $ ) {
+ /**
+ * @class jQuery.colorUtil
+ * @singleton
+ */
+ $.colorUtil = {
+
+ /**
+ * Parse CSS color strings looking for color tuples
+ *
+ * Based on highlightFade by Blair Mitchelmore
+ * <http://jquery.offput.ca/highlightFade/>
+ *
+ * @param {Array|string} color
+ * @return {Array}
+ */
+ getRGB: function ( color ) {
+ /*jshint boss:true */
+ var result;
+
+ // Check if we're already dealing with an array of colors
+ if ( color && $.isArray( color ) && 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] ) * 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)
+ ];
+ }
+
+ // 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 $.colorUtil.colors[$.trim(color).toLowerCase()];
+ },
+
+ /**
+ * Named color map
+ *
+ * Based on Interface by Stefan Petre
+ * <http://interface.eyecon.ro/>
+ *
+ * @property {Object}
+ */
+ 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]
+ },
+
+ /**
+ * Convert an RGB color value to HSL.
+ *
+ * Conversion formula based on
+ * <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
+ *
+ * Adapted from <https://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 {number[]} The HSL representation
+ */
+ rgbToHsl: function ( r, g, b ) {
+ r = r / 255;
+ g = g / 255;
+ b = b / 255;
+
+ var d,
+ max = Math.max( r, g, b ),
+ min = Math.min( r, g, b ),
+ h,
+ s,
+ l = (max + min) / 2;
+
+ if ( max === min ) {
+ // achromatic
+ h = s = 0;
+ } else {
+ 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];
+ },
+
+ /**
+ * Convert an HSL color value to RGB.
+ *
+ * Conversion formula based on
+ * <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
+ *
+ * Adapted from <https://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 {number[]} The RGB representation
+ */
+ hslToRgb: function ( h, s, l ) {
+ var r, g, b, hue2rgb, q, p;
+
+ if ( s === 0 ) {
+ r = g = b = l; // achromatic
+ } else {
+ 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;
+ };
+
+ q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+ 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 a brighter or darker rgb() value string.
+ *
+ * Usage:
+ *
+ * $.colorUtil.getColorBrightness( 'red', +0.1 );
+ * // > "rgb(255,50,50)"
+ * $.colorUtil.getColorBrightness( 'rgb(200,50,50)', -0.2 );
+ * // > "rgb(118,29,29)"
+ *
+ * @param {Mixed} currentColor Current value in css
+ * @param {number} mod Wanted brightness modification between -1 and 1
+ * @return {string} Like `'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 ) );