CSJ2K.j2k.codestream.reader.HeaderDecoder.extractTilePartMarkSeg C# (CSharp) Method

        public virtual void extractTilePartMarkSeg(short marker, RandomAccessIO ehs, int tileIdx, int tilePartIdx)
        {
            System.String htKey = ""; // Name used as a hash-table key
            if (ht == null)
            {
                ht = new Dictionary<string, byte[]>();
            }

            switch (marker)
            {

                case CSJ2K.j2k.codestream.Markers.SOT:
                    throw new CorruptedCodestreamException("Second SOT marker " + "segment found in tile-" + "part header");

                case CSJ2K.j2k.codestream.Markers.SIZ:
                    throw new CorruptedCodestreamException("SIZ found in tile-part" + " header");

                case CSJ2K.j2k.codestream.Markers.EOC:
                    throw new CorruptedCodestreamException("EOC found in tile-part" + " header");

                case CSJ2K.j2k.codestream.Markers.TLM:
                    throw new CorruptedCodestreamException("TLM found in tile-part" + " header");

                case CSJ2K.j2k.codestream.Markers.PLM:
                    throw new CorruptedCodestreamException("PLM found in tile-part" + " header");

                case CSJ2K.j2k.codestream.Markers.PPM:
                    throw new CorruptedCodestreamException("PPM found in tile-part" + " header");

                case CSJ2K.j2k.codestream.Markers.COD:
                    if ((nfMarkSeg & COD_FOUND) != 0)
                    {
                        throw new CorruptedCodestreamException("More than one COD " + "marker " + "found in tile-part" + " header");
                    }
                    nfMarkSeg |= COD_FOUND;
                    htKey = "COD";
                    break;

                case CSJ2K.j2k.codestream.Markers.COC:
                    nfMarkSeg |= COC_FOUND;
                    htKey = "COC" + (nCOCMarkSeg++);
                    break;

                case CSJ2K.j2k.codestream.Markers.QCD:
                    if ((nfMarkSeg & QCD_FOUND) != 0)
                    {
                        throw new CorruptedCodestreamException("More than one QCD " + "marker " + "found in tile-part" + " header");
                    }
                    nfMarkSeg |= QCD_FOUND;
                    htKey = "QCD";
                    break;

                case CSJ2K.j2k.codestream.Markers.QCC:
                    nfMarkSeg |= QCC_FOUND;
                    htKey = "QCC" + (nQCCMarkSeg++);
                    break;

                case CSJ2K.j2k.codestream.Markers.RGN:
                    nfMarkSeg |= RGN_FOUND;
                    htKey = "RGN" + (nRGNMarkSeg++);
                    break;

                case CSJ2K.j2k.codestream.Markers.COM:
                    nfMarkSeg |= COM_FOUND;
                    htKey = "COM" + (nCOMMarkSeg++);
                    break;

                case CSJ2K.j2k.codestream.Markers.CRG:
                    throw new CorruptedCodestreamException("CRG marker found in " + "tile-part header");

                case CSJ2K.j2k.codestream.Markers.PPT:
                    nfMarkSeg |= PPT_FOUND;
                    if (nPPTMarkSeg == null)
                    {
                        nPPTMarkSeg = new int[nTiles][];
                    }
                    if (nPPTMarkSeg[tileIdx] == null)
                    {
                        nPPTMarkSeg[tileIdx] = new int[nTileParts[tileIdx]];
                    }
                    htKey = "PPT" + (nPPTMarkSeg[tileIdx][tilePartIdx]++);
                    break;

                case CSJ2K.j2k.codestream.Markers.SOD:
                    nfMarkSeg |= SOD_FOUND;
                    return ;

                case CSJ2K.j2k.codestream.Markers.POC:
                    if ((nfMarkSeg & POC_FOUND) != 0)
                        throw new CorruptedCodestreamException("More than one POC " + "marker segment found " + "in tile-part" + " header");
                    nfMarkSeg |= POC_FOUND;
                    htKey = "POC";
                    break;

                case CSJ2K.j2k.codestream.Markers.PLT:
                    if ((nfMarkSeg & PLM_FOUND) != 0)
                    {
                        throw new CorruptedCodestreamException("PLT marker found even" + "though PLM marker " + "found in main header");
                    }
                    FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.WARNING, "PLT marker segment found but " + "not used by JJ2000 decoder.");
                    htKey = "UNKNOWN";
                    break;

                default:
                    htKey = "UNKNOWN";
                    FacilityManager.getMsgLogger().printmsg(CSJ2K.j2k.util.MsgLogger_Fields.WARNING, "Non recognized marker segment (0x" + System.Convert.ToString(marker, 16) + ") in tile-part header" + " of tile " + tileIdx + " !");
                    break;

            }

            // Read marker segment length and create corresponding byte buffer
            int markSegLen = ehs.readUnsignedShort();
            byte[] buf = new byte[markSegLen];

            // Copy data (after re-insertion of marker segment length);
            buf[0] = (byte) ((markSegLen >> 8) & 0xFF);
            buf[1] = (byte) (markSegLen & 0xFF);
            ehs.readFully(buf, 2, markSegLen - 2);

            if (!htKey.Equals("UNKNOWN"))
            {
                // Store array in hashTable
                ht[htKey] = buf;
            }
        }