public void Old_ValueChanging()
        {
            var img8 = new Img8(width, height);

            img8.ForEach((x, y) =>
            {
                var value = img8.Get(x, y);
                img8.Set(x, y, value);
            });
        }
 public void Old_CreateNew()
 {
     var img8 = new Img8(width, height);
 }