// lower level move rectangle bitmap to display bypassing graphics library
void GridBitmapTest(int size)
{
byte[] rect = new byte[size * (int)Math.Ceiling((double)size / 8)];
for (int r = 0; r < rect.Length; r++)
{
rect[r] = (byte)rand.Next(255);
}
graphics.Clear();
for (int x = 0; x < display.Width; x += size)
{
for (int y = 0; y < display.Height; y += size)
{
graphics.DrawBitmap(x, y, (int)Math.Ceiling((double)size / 8), size, rect, RandColor());
// Console.WriteLine($"{x} {y}");
graphics.Show();
}
}
}
