/**
	 * A handy class to calculate color values.
	 *
	 * @version 1.0
	 * @author Robert Eisele <robert@xarg.org>
	 * @copyright Copyright (c) 2010, Robert Eisele
	 * @link http://www.xarg.org/2010/03/generate-client-side-png-files-using-javascript/
	 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
	 *
	 */
