gistfile1.as

  	protected static var _lumR:Number = 0.212671;
		protected static var _lumG:Number = 0.715160;
		protected static var _lumB:Number = 0.072169;
		
		public function ColorManip() { }
		
		static public function colorize(color:Number, amount:Number = 1):Array {
			if (isNaN(amount)) {
				amount = 1;
			}
			var r:Number = ((color >> 16) & 0xff) / 255;
			var g:Number = ((color >> 8)  & 0xff) / 255;
			var b:Number = (color         & 0xff) / 255;
			var inv:Number = 1 - amount;
			var temp:Array =  [inv + amount * r * _lumR, amount * r * _lumG,       amount * r * _lumB,       0, 0,
							  amount * g * _lumR,        inv + amount * g * _lumG, amount * g * _lumB,       0, 0,
							  amount * b * _lumR,        amount * b * _lumG,       inv + amount * b * _lumB, 0, 0,
							  0, 				          0, 					     0, 					    1, 0];
			return temp;
		}