83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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/*
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*
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* Copyright (C) 1997-2011, 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: dcmjpls
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*
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* Author: Martin Willkomm
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*
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* Purpose: singleton class that registers the decoder for all supported JPEG-LS processes.
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*
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*/
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#ifndef DCMJPLS_DJDECODE_H
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#define DCMJPLS_DJDECODE_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/dcmjpls/djlsutil.h" /* for enums */
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class DJLSCodecParameter;
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class DJLSLosslessDecoder;
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class DJLSNearLosslessDecoder;
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/** singleton class that registers decoders for all supported JPEG-LS processes.
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*/
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class DCMTK_DCMJPLS_EXPORT DJLSDecoderRegistration
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{
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public:
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/** registers decoder for all supported JPEG-LS processes.
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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 uidcreation flag indicating whether or not
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* a new SOP Instance UID should be assigned upon decompression.
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* @param planarconfig flag indicating how planar configuration
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* of color images should be encoded upon decompression.
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* @param ignoreOffsetTable flag indicating whether to ignore the offset table when decompressing multiframe images
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*/
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static void registerCodecs(
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JLS_UIDCreation uidcreation = EJLSUC_default,
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JLS_PlanarConfiguration planarconfig = EJLSPC_restore,
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OFBool ignoreOffsetTable = OFFalse);
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/** deregisters decoders.
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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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/** get version information of the CharLS library.
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* Typical output format: "CharLS, Revision 55020 (modified)"
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* @return name and version number of the CharLS library
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*/
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static OFString getLibraryVersionString();
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private:
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/// flag indicating whether the decoders are already registered.
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static OFBool registered_;
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/// pointer to codec parameter shared by all decoders
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static DJLSCodecParameter *cp_;
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/// pointer to losslessdecoder
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static DJLSLosslessDecoder *losslessdecoder_;
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/// pointer to near-lossless encoder
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static DJLSNearLosslessDecoder *nearlosslessdecoder_;
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};
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#endif
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