Testing color blind functions with HaxeFlixel / OpenFL and nxColor

ishiharatest.hx

var ishihara = new FlxSprite(0, 0, "assets/ishihara2.png");
for (x in 0...Std.int(ishihara.width))
{
	for (y in 0...Std.int(ishihara.height))
	{			
		var cur = ishihara.framePixels.getPixel(x, y);
		var cs = StringTools.hex(cur, 6);
				
		var r = Std.parseInt("0x" + cs.substr(0, 2));
		var g = Std.parseInt("0x" + cs.substr(2, 2));
		var b = Std.parseInt("0x" + cs.substr(4, 2));
				
		var conv:RGB = new RGB(r, g, b);
		var colorblind:RGB = Util.testGreenBlindness(conv);
		ishihara.framePixels.setPixel(x, y, colorblind.toNumber());
	}
}