/// <summary>
/// Converts a WPF's BitmapSource into a System.Drawing.Bitmap image.
/// </summary>
///
/// <param name="bitmapSource">The bitmap source to be converted.</param>
///
public static Bitmap ToBitmap(this BitmapSource bitmapSource)
{
var format = bitmapSource.Format.ToImaging();
int width = bitmapSource.PixelWidth;
int height = bitmapSource.PixelHeight;
Bitmap bmp;
if (bitmapSource.IsGrayscale())
{
if (bitmapSource.Format != PixelFormats.Gray8)
{
return(new FormatConvertedBitmap(bitmapSource, PixelFormats.Gray8, BitmapPalettes.Gray256, 1.0).ToBitmap());
}
bmp = Accord.Imaging.Image.CreateGrayscaleImage(width, height);
}
else
{
bmp = new Bitmap(width, height, format);
}
BitmapData data = bmp.LockBits(ImageLockMode.WriteOnly);
bitmapSource.CopyPixels(Int32Rect.Empty, data.Scan0, data.Height * data.Stride, data.Stride);
bmp.UnlockBits(data);
return(bmp);
}
