123 lines
4.3 KiB
JavaScript
123 lines
4.3 KiB
JavaScript
/*
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* jQuery Color Animations
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* Copyright 2007 John Resig
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* Released under the MIT and GPL licenses.
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*/
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(function (jQuery) {
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// We override the animation for all of these color styles
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jQuery.each(['backgroundColor', 'borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor', 'color', 'outlineColor'], function (i, attr) {
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jQuery.fx.step[attr] = function (fx) {
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if (fx.state == 0) {
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fx.start = getColor(fx.elem, attr);
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fx.end = getRGB(fx.end);
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}
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fx.elem.style[attr] = "rgb(" + [
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Math.max(Math.min(parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0),
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Math.max(Math.min(parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0),
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Math.max(Math.min(parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0)
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].join(",") + ")";
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}
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});
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// Color Conversion functions from highlightFade
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// By Blair Mitchelmore
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// http://jquery.offput.ca/highlightFade/
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// Parse strings looking for color tuples [255,255,255]
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function getRGB(color) {
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var result;
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// Check if we're already dealing with an array of colors
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if (color && color.constructor == Array && color.length == 3)
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return color;
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// Look for rgb(num,num,num)
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if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(color))
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return [parseInt(result[1]), parseInt(result[2]), parseInt(result[3])];
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// Look for rgb(num%,num%,num%)
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if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(color))
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return [parseFloat(result[1]) * 2.55, parseFloat(result[2]) * 2.55, parseFloat(result[3]) * 2.55];
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// Look for #a0b1c2
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if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(color))
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return [parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16)];
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// Look for #fff
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if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(color))
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return [parseInt(result[1] + result[1], 16), parseInt(result[2] + result[2], 16), parseInt(result[3] + result[3], 16)];
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// Otherwise, we're most likely dealing with a named color
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return colors[jQuery.trim(color).toLowerCase()];
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}
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function getColor(elem, attr) {
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var color;
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do {
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color = jQuery.curCSS(elem, attr);
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// Keep going until we find an element that has color, or we hit the body
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if (color != '' && color != 'transparent' || jQuery.nodeName(elem, "body"))
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break;
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attr = "backgroundColor";
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} while (elem = elem.parentNode);
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return getRGB(color);
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};
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// Some named colors to work with
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// From Interface by Stefan Petre
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// http://interface.eyecon.ro/
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var colors = {
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aqua: [0, 255, 255],
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azure: [240, 255, 255],
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beige: [245, 245, 220],
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black: [0, 0, 0],
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blue: [0, 0, 255],
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brown: [165, 42, 42],
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cyan: [0, 255, 255],
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darkblue: [0, 0, 139],
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darkcyan: [0, 139, 139],
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darkgrey: [169, 169, 169],
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darkgreen: [0, 100, 0],
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darkkhaki: [189, 183, 107],
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darkmagenta: [139, 0, 139],
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darkolivegreen: [85, 107, 47],
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darkorange: [255, 140, 0],
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darkorchid: [153, 50, 204],
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darkred: [139, 0, 0],
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darksalmon: [233, 150, 122],
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darkviolet: [148, 0, 211],
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fuchsia: [255, 0, 255],
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gold: [255, 215, 0],
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green: [0, 128, 0],
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indigo: [75, 0, 130],
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khaki: [240, 230, 140],
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lightblue: [173, 216, 230],
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lightcyan: [224, 255, 255],
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lightgreen: [144, 238, 144],
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lightgrey: [211, 211, 211],
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lightpink: [255, 182, 193],
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lightyellow: [255, 255, 224],
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lime: [0, 255, 0],
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magenta: [255, 0, 255],
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maroon: [128, 0, 0],
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navy: [0, 0, 128],
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olive: [128, 128, 0],
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orange: [255, 165, 0],
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pink: [255, 192, 203],
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purple: [128, 0, 128],
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violet: [128, 0, 128],
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red: [255, 0, 0],
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silver: [192, 192, 192],
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white: [255, 255, 255],
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yellow: [255, 255, 0]
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};
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})(jQuery); |