BitMiracle.LibTiff.Classic.TiffRgbaImage.putcontig8bitYCbCr21tile C# (CSharp) Method

        private static void putcontig8bitYCbCr21tile(
            TiffRgbaImage img, int[] raster, int rasterOffset, int rasterShift,
            int x, int y, int width, int height, byte[] buffer, int offset, int bufferShift)
        {
            bufferShift = (bufferShift * 4) / 2;

            do
            {
                x = width >> 1;
                do
                {
                    int Cb = buffer[offset + 2];
                    int Cr = buffer[offset + 3];

                    img.YCbCrtoRGB(out raster[rasterOffset + 0], buffer[offset + 0], Cb, Cr);
                    img.YCbCrtoRGB(out raster[rasterOffset + 1], buffer[offset + 1], Cb, Cr);

                    rasterOffset += 2;
                    offset += 4;
                }
                while (--x != 0);

                if ((width & 1) != 0)
                {
                    int Cb = buffer[offset + 2];
                    int Cr = buffer[offset + 3];

                    img.YCbCrtoRGB(out raster[rasterOffset + 0], buffer[offset + 0], Cb, Cr);

                    rasterOffset += 1;
                    offset += 4;
                }

                rasterOffset += rasterShift;
                offset += bufferShift;
            }
            while (--height != 0);
        }