/// <summary>
/// Generates transition images of #left and #right pixels to left and right respectfully.
/// </summary>
/// <param name="number"></param>
/// <param name="left"></param>
/// <param name="right"></param>
/// <returns></returns>
public static List <FastBitmap> GenerateTransitions(FastBitmap number, int left, int right)
{
List <FastBitmap> transitions = new List <FastBitmap>();
for (int x = -1 * left; x <= right; x++)
{
if (x == 0)
{
continue;
}
number.UnlockBitmap();
Bitmap bitmap = new Bitmap(number.Width, number.Height, number.Bitmap.PixelFormat);
Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.FromArgb(0, 0, 0));
if (x < 0)
{
g.DrawImageUnscaled(number.Bitmap.Clone(new Rectangle(Math.Abs(x), 0, number.Width - Math.Abs(x), number.Height), number.Bitmap.PixelFormat), 0, 0);
}
else
{
g.DrawImageUnscaled(number.Bitmap.Clone(new Rectangle(0, 0, number.Width - x, number.Height), number.Bitmap.PixelFormat), x, 0);
}
number.LockBitmap();
transitions.Add(new FastBitmap(bitmap));
}
return(transitions);
}
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);
}
