public void LightenBlendOp2 ()
		{
			var lhs = GetSourceImage ("blend1.png");
			var rhs = GetSourceImage ("blend2.png");

			var lhs_wrap = new BitmapWrapper (lhs);
			var rhs_wrap = new BitmapWrapper (rhs);

			var op = new LightenBlendOp ();
			op.Apply (rhs_wrap, lhs_wrap);

			Compare (lhs, "lightenblend2.png");
		}
        public void LightenBlendOp2()
        {
            var lhs = GetSourceImage("blend1.png");
            var rhs = GetSourceImage("blend2.png");

            var lhs_wrap = new BitmapWrapper(lhs);
            var rhs_wrap = new BitmapWrapper(rhs);

            var op = new LightenBlendOp();

            op.Apply(rhs_wrap, lhs_wrap);

            Compare(lhs, "lightenblend2.png");
        }