protected override async Task LoadImageAsync(string fileName)
{
Ready = false;
var original = OriginalImage = await BitmapLoader.LoadGrayscale(fileName);
AlteredImage = await Task.Run(() => {
return(BitmapTransformer.ToBitmap(_Dither(BitmapTransformer.ToGrayscalePixelArray(original))));
});
Ready = true;
}