81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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/*
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*
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* Copyright (C) 2002-2011, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: dcmdata
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*
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* Author: Marco Eichelberg
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*
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* Purpose: singleton class that registers RLE decoder.
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*
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*/
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#ifndef DCRLEDRG_H
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#define DCRLEDRG_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/ofstd/oftypes.h" /* for OFBool */
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#include "dcmtk/dcmdata/dcdefine.h"
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class DcmRLECodecParameter;
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class DcmRLECodecDecoder;
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/** singleton class that registers an RLE decoder.
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*/
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class DCMTK_DCMDATA_EXPORT DcmRLEDecoderRegistration
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{
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public:
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/** registers RLE decoder.
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* If already registered, call is ignored unless cleanup() has
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* been performed before.
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* @param pCreateSOPInstanceUID flag indicating whether or not
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* a new SOP Instance UID should be assigned upon decompression.
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* @param pReverseDecompressionByteOrder flag indicating whether the byte order should
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* be reversed upon decompression. Needed to correctly decode some incorrectly encoded
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* images with more than one byte per sample.
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*/
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static void registerCodecs(
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OFBool pCreateSOPInstanceUID = OFFalse,
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OFBool pReverseDecompressionByteOrder = OFFalse);
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/** deregisters decoder.
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* Attention: Must not be called while other threads might still use
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* the registered codecs, e.g. because they are currently decoding
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* DICOM data sets through dcmdata.
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*/
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static void cleanup();
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private:
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/// private undefined copy constructor
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DcmRLEDecoderRegistration(const DcmRLEDecoderRegistration&);
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/// private undefined copy assignment operator
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DcmRLEDecoderRegistration& operator=(const DcmRLEDecoderRegistration&);
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/// flag indicating whether the decoder is already registered.
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static OFBool registered;
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/// pointer to codec parameter
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static DcmRLECodecParameter *cp;
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/// pointer to RLE decoder
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static DcmRLECodecDecoder *codec;
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// dummy friend declaration to prevent gcc from complaining
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// that this class only defines private constructors and has no friends.
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friend class DcmRLEDecoderRegistrationDummyFriend;
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};
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#endif
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