public static int AbsoluteDiff(FastBitmap bmp1, FastBitmap bmp2, Rectangle sub_rect)
{
int diff = 0;
for (int y = sub_rect.Y; y < sub_rect.Y + sub_rect.Height; y++)
{
for (int x = sub_rect.X; x < sub_rect.X + sub_rect.Width; x++)
{
diff += AbsoluteDiff(Color.FromArgb(bmp1.GetPixel(x, y)), Color.FromArgb(bmp2.GetPixel(x, y)));
}
}
return(diff);
}
public static Rectangle BoundingRectangle(Bitmap bmp, Rectangle bounds, int bound_color)
{
FastBitmap fbmp = new FastBitmap(bmp);
int s_x = 0, e_x = 0, s_y = 0, e_y = 0; bool done = false;
for (int x = bounds.X; x < bounds.X + bounds.Width && !done; x++)
{
for (int y = bounds.Y; y < bounds.Y + bounds.Height; y++)
{
if (fbmp.GetPixel(x, y) == bound_color)
{
s_x = x;
done = true;
break;
}
}
}
done = false;
for (int x = bounds.X + bounds.Width - 1; x >= bounds.X && !done; x--)
{
for (int y = bounds.Y; y < bounds.Y + bounds.Height; y++)
{
if (fbmp.GetPixel(x, y) == bound_color)
{
e_x = x;
done = true;
break;
}
}
}
done = false;
for (int y = bounds.Y; y < bounds.Y + bounds.Height && !done; y++)
{
for (int x = bounds.X; x < bounds.X + bounds.Width; x++)
{
if (fbmp.GetPixel(x, y) == bound_color)
{
s_y = y;
done = true;
break;
}
}
}
done = false;
for (int y = bounds.Y + bounds.Height - 1; y >= bounds.Y && !done; y--)
{
for (int x = bounds.X; x < bounds.X + bounds.Width; x++)
{
if (fbmp.GetPixel(x, y) == bound_color)
{
e_y = y;
done = true;
break;
}
}
}
fbmp.UnlockBitmap();
//Console.WriteLine(s_x + " " + e_x + " " + s_y + " " + e_y);
Rectangle crop_rect = new Rectangle(s_x, s_y, e_x - s_x + 1, e_y - s_y + 1);
return(crop_rect);
}
public bool IsMatch(FastBitmap bitmap)
{
return(bitmap.GetPixel(X, Y) == color);
}