Accord.Imaging.Image.Clone C# (CSharp) Method

        public static Bitmap Clone(this Bitmap source)
        {
            // lock source bitmap data
            BitmapData sourceData = source.LockBits(
                new Rectangle(0, 0, source.Width, source.Height),
                ImageLockMode.ReadOnly, source.PixelFormat);

            // create new image
            Bitmap destination = Clone(sourceData);

            // unlock source image
            source.UnlockBits(sourceData);

            //
            if (
                (source.PixelFormat == PixelFormat.Format1bppIndexed) ||
                (source.PixelFormat == PixelFormat.Format4bppIndexed) ||
                (source.PixelFormat == PixelFormat.Format8bppIndexed) ||
                (source.PixelFormat == PixelFormat.Indexed))
            {
                ColorPalette srcPalette = source.Palette;
                ColorPalette dstPalette = destination.Palette;

                int n = srcPalette.Entries.Length;

                // copy pallete
                for (int i = 0; i < n; i++)
                {
                    dstPalette.Entries[i] = srcPalette.Entries[i];
                }

                destination.Palette = dstPalette;
            }

            return destination;
        }