98 lines
2.5 KiB
C
98 lines
2.5 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: representation parameters for JPEG-LS
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*
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*/
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#ifndef DCMJPLS_DJRPARAM_H
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#define DCMJPLS_DJRPARAM_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/dcmdata/dcpixel.h" /* for class DcmRepresentationParameter */
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#include "dcmtk/dcmjpls/dldefine.h"
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/** representation parameter for JPEG-LS
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*/
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class DCMTK_DCMJPLS_EXPORT DJLSRepresentationParameter: public DcmRepresentationParameter
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{
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public:
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/** constructor
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* @param nearlosslessDeviation used as parameter NEAR in JPEG-LS nearlossless-encoding process
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* @param losslessProcess true if lossless process is requested
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*/
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DJLSRepresentationParameter(
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Uint16 nearlosslessDeviation = 2,
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OFBool losslessProcess = OFTrue);
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/// copy constructor
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DJLSRepresentationParameter(const DJLSRepresentationParameter& arg);
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/// destructor
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virtual ~DJLSRepresentationParameter();
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/** this methods creates a copy of type DcmRepresentationParameter *
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* it must be overweritten in every subclass.
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* @return copy of this object
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*/
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virtual DcmRepresentationParameter *clone() const;
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/** returns the class name as string.
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* can be used in operator== as poor man's RTTI replacement.
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*/
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virtual const char *className() const;
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/** compares an object to another DcmRepresentationParameter.
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* Implementation must make sure that classes are comparable.
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* @param arg representation parameter to compare with
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* @return true if equal, false otherwise.
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*/
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virtual OFBool operator==(const DcmRepresentationParameter &arg) const;
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/** returns the desired NEAR parameter
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* @return return desired NEAR-Parameter
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*/
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Uint16 getnearlosslessDeviation() const
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{
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return nearlosslessDeviation_;
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}
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/** returns true if lossless compression is desired
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* @return true if lossless compression is desired
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*/
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OFBool useLosslessProcess() const
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{
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return losslessProcess_;
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}
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private:
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/** desired NEAR parameter
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* Default is 0 (lossless compression).
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* Ignored during lossless compression.
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*/
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Uint16 nearlosslessDeviation_;
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/// true if lossless process should be used even in lossy transfer syntax
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OFBool losslessProcess_;
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};
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#endif
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