# gdcmJPEG2000Codec.h

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    00001 /*=========================================================================
    00002
    00003   Program: GDCM (Grassroots DICOM). A DICOM library
    00004   Module:  $URL$
    00005
    00006   Copyright (c) 2006-2010 Mathieu Malaterre
    00007   All rights reserved.
    00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
    00009
    00010      This software is distributed WITHOUT ANY WARRANTY; without even
    00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00012      PURPOSE.  See the above copyright notice for more information.
    00013
    00014 =========================================================================*/
    00015 #ifndef GDCMJPEG2000CODEC_H
    00016 #define GDCMJPEG2000CODEC_H
    00017
    00018 #include "gdcmImageCodec.h"
    00019
    00020 namespace gdcm
    00021 {
    00022
    00023 class JPEG2000Internals;
    00031 class GDCM_EXPORT JPEG2000Codec : public ImageCodec
    00032 {
    00033   friend class Bitmap;
    00034 public:
    00035   JPEG2000Codec();
    00036   ~JPEG2000Codec();
    00037
    00038   bool CanDecode(TransferSyntax const &ts) const;
    00039   bool CanCode(TransferSyntax const &ts) const;
    00040
    00041   bool Decode(DataElement const &is, DataElement &os);
    00042   bool Code(DataElement const &in, DataElement &out);
    00043
    00044   virtual bool GetHeaderInfo(std::istream &is, TransferSyntax &ts);
    00045
    00046   // JPEG-2000 / OpenJPEG specific way of encoding lossy-ness
    00047   // ref: http://www.openjpeg.org/index.php?menu=doc#encoder
    00048   void SetRate(unsigned int idx, double rate);
    00049   double GetRate(unsigned int idx = 0) const;
    00050
    00051   void SetQuality(unsigned int idx, double q);
    00052   double GetQuality(unsigned int idx = 0) const;
    00053
    00054   void SetTileSize(unsigned int tx, unsigned int ty);
    00055
    00056   void SetNumberOfResolutions(unsigned int nres);
    00057
    00058   void SetReversible(bool res);
    00059
    00060 protected:
    00061   bool Decode(std::istream &is, std::ostream &os);
    00062 private:
    00063   bool GetHeaderInfo(const char * dummy_buffer, size_t len, TransferSyntax &ts);
    00064   JPEG2000Internals *Internals;
    00065 };
    00066
    00067 } // end namespace gdcm
    00068
    00069 #endif //GDCMJPEG2000CODEC_H