haxe
        var newPixels = Bytes.alloc(pixels.length);
        for (y in 0..._bitmapData.height) {
            for (x in 0..._bitmapData.width) {
                var i = y * (_bitmapData.width * 4) + x * 4;
                var r = pixels.get(i + 0);
                var g = pixels.get(i + 1);
                var b = pixels.get(i + 2);
                var a = pixels.get(i + 3);
                
                newPixels.set(i + 0, a);
                newPixels.set(i + 1, r);
                newPixels.set(i + 2, g);
                newPixels.set(i + 3, b);
            }
        }