textColor

textColor.js

;(function(ns)
{
	var color = {};

	color.reHexTest = /^\s*#[\da-fA-F]{1,6}\s*$/;
	color.reRgbTest = /^\s*rgb\s*\(\s*\d{1,3}\s*,\s*\d{1,3}\s*,\s*\d{1,3}\s*\)\s*$/i;
	color.reRgbExec = /^\s*rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)\s*$/i;
	color.reHexExec = /^\s*#([\da-fA-F]{1,2})([\da-fA-F]{1,2})?([\da-fA-F]{1,2})?\s*$/;

	color.isHex = function(color)
	{
		return this.reHexTest.test(color);
	}

	color.isRgb = function(color)
	{
		return this.reRgbTest.test(color);
	}

	color.rgbToHex = function(color) 
	{
		var rgb;
		if (typeof color === 'object')
		{
			rgb = color[2] | (color[1] << 8) | (color[0] << 16);
		}
		else
		{
			if (this.isHex(color))
		    {
		        return color;
		    }

		    if (!this.isRgb(color))
		    {
		        return false;
		    }

		    var m = this.reRgbExec.exec(color);

		    rgb = parseInt(m[3]) | (parseInt(m[2]) << 8) | (parseInt(m[1]) << 16);
		}

		rgb = rgb.toString(16);
		rgb = "000000".slice(rgb.length) + rgb;

	    return '#' + rgb;
	};

	color.hexToRgb = function(color, bStr)
	{
		if (this.isRgb(color))
	    {
	        return color;
	    }

		if (!this.isHex(color))
	    {
	        return false;
	    }

	    var m = this.reHexExec.exec(color);

	    if (!m) { m = ['','0','0','0']; }
	    if (!m[1]) m[1] = '0';
	    if (!m[2]) m[2] = '0';
	    if (!m[3]) m[3] = '0';

	    var rgb = [ parseInt(m[1], 16), parseInt(m[2], 16), parseInt(m[3], 16) ]

		return (!bStr) ? rgb : "rgb(" + rgb[0] + ", " + rgb[1] + ", " + rgb[2] + ")";
	};

	ns.textColor = color;

})(window)