BitMiracle.LibJpeg.Classic.Internal.jpeg_marker_writer.emit_dht C# (CSharp) Method

        private void emit_dht(int index, bool is_ac)
        {
            JHUFF_TBL htbl = m_cinfo.m_dc_huff_tbl_ptrs[index];
            if (is_ac)
            {
                htbl = m_cinfo.m_ac_huff_tbl_ptrs[index];
                index += 0x10; /* output index has AC bit set */
            }

            if (htbl == null)
                m_cinfo.ERREXIT(J_MESSAGE_CODE.JERR_NO_HUFF_TABLE, index);

            if (!htbl.Sent_table)
            {
                emit_marker(JPEG_MARKER.DHT);

                int length = 0;
                for (int i = 1; i <= 16; i++)
                    length += htbl.Bits[i];

                emit_2bytes(length + 2 + 1 + 16);
                emit_byte(index);

                for (int i = 1; i <= 16; i++)
                    emit_byte(htbl.Bits[i]);

                for (int i = 0; i < length; i++)
                    emit_byte(htbl.Huffval[i]);

                htbl.Sent_table = true;
            }
        }