private Image FrameDraw(Image img)
{
int max = img.Height;
int min = img.Height / 8;
Graphics gp = Graphics.FromImage(img);
Bitmap bmp = new Bitmap(img);
System.Drawing.Imaging.PixelFormat Format = img.PixelFormat;
for (int i = max; i >= min; i = i / 2)
{
for (int x = 0; x < img.Width; x += i)
{
for (int y = 0; y < max; y += i)
{
Rectangle rect = new Rectangle(0, 0, i, i);
Bitmap clone = bmp.Clone(rect, Format);
Bitmap32 bmp32 = new Bitmap32(clone);
bmp32.LockBitmap();
bmp32.Robert(r, g, b);
bmp32.UnlockBitmap();
}
}
}
return(img);
}