private void HandleSegmentNumber(SegmentHeader segmentHeader)
        {
            short[] segmentbytes = new short[4];
            reader.Readbyte(segmentbytes);

            int segmentNumber = BinaryOperation.GetInt32(segmentbytes);

            if (JBIG2StreamDecoder.debug)
            {
                Console.WriteLine("SegmentNumber = " + segmentNumber);
            }
            segmentHeader.SetSegmentNumber(segmentNumber);
        }