Grayscale bitmaps

// Loading the source bitmap.
Aurigma.GraphicsMill.Bitmap image = new Aurigma.GraphicsMill.Bitmap(@"c:/gray.jpg");

// Creating empty grayscale bitmap with white background.
Aurigma.GraphicsMill.Bitmap canvasBitmap = new Aurigma.GraphicsMill.Bitmap(Aurigma.GraphicsMill.RgbColor.White, 
                300, 300, Aurigma.GraphicsMill.PixelFormat.Format8bppGrayScale);

// Obtaining canvas instance created on the bitmap.
Aurigma.GraphicsMill.Drawing.GdiGraphics canvas = canvasBitmap.GetGdiGraphics();

// Drawing the loaded grayscale image on the canvas.
canvas.DrawImage(image, 100, 100, 100, 0, 
                Aurigma.GraphicsMill.Transforms.CombineMode.Copy, 1.0f,  
                Aurigma.GraphicsMill.Transforms.InterpolationMode.MediumQuality);

// Disposing canvas instance.
canvas.Dispose();

// Saving canvas bitmap.
canvasBitmap.Save(@"c:/1.png");