/// <summary>
/// Creates a new cropped WriteableBitmap.
/// </summary>
/// <param name="bmp">The WriteableBitmap.</param>
/// <param name="region">The rectangle that defines the crop region.</param>
/// <returns>A new WriteableBitmap that is a cropped version of the input.</returns>
public static BitmapBuffer Crop(this BitmapBuffer bmp, RectD region)
{
return(bmp.Crop((int)region.X, (int)region.Y, (int)region.Width, (int)region.Height));
}