gdcmJPEG2000Codec.h

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00001 /*=========================================================================
00002 
00003   Program: GDCM (Grassroots DICOM). A DICOM library
00004   Module:  $URL$
00005 
00006   Copyright (c) 2006-2009 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 public:
00034   JPEG2000Codec();
00035   ~JPEG2000Codec();
00036 
00037   bool CanDecode(TransferSyntax const &ts) const;
00038   bool CanCode(TransferSyntax const &ts) const;
00039 
00040   bool Decode(DataElement const &is, DataElement &os);
00041   bool Code(DataElement const &in, DataElement &out);
00042 
00043   virtual bool GetHeaderInfo(std::istream &is, TransferSyntax &ts);
00044 
00045   // JPEG-2000 / OpenJPEG specific way of encoding lossy-ness
00046   // ref: http://www.openjpeg.org/index.php?menu=doc#encoder
00047   void SetRate(unsigned int idx, double rate);
00048   double GetRate(unsigned int idx = 0) const;
00049 
00050   void SetQuality(unsigned int idx, double q);
00051   double GetQuality(unsigned int idx = 0) const;
00052 
00053   void SetTileSize(unsigned int tx, unsigned int ty);
00054 
00055   void SetNumberOfResolutions(unsigned int nres);
00056 
00057   void SetReversible(bool res);
00058 
00059 protected:
00060   bool Decode(std::istream &is, std::ostream &os);
00061 private:
00062   bool GetHeaderInfo(const char * dummy_buffer, size_t len, TransferSyntax &ts);
00063   JPEG2000Internals *Internals;
00064 };
00065 
00066 } // end namespace gdcm
00067 
00068 #endif //__gdcmJPEG2000codec_h

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