ossimOpjCommon.h

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//----------------------------------------------------------------------------
//
// License:  See top level LICENSE.txt file
//
// Author:  David Burken
//
// Description:  Place for common code used by both encoders and decoders
// using the openjpeg library.
//
// This code is namespaced with "ossim".
//
//----------------------------------------------------------------------------
// $Id$

#ifndef ossimOpjCommon_HEADER
#define ossimOpjCommon_HEADER 1

#include <ossim/base/ossimConstants.h>
#include <iosfwd>
#include <string>

// Forward declarations:
class ossimImageData;
class ossimIrect;
struct opj_codestream_info;
struct opj_cparameters;
struct opj_dparameters;
struct opj_image;
struct opj_image_comp;

namespace ossim
{
   void opj_error_callback(const char* msg, void* /* client_data */);

   void opj_warning_callback(const char* msg, void* /* client_data */ );

   void opj_info_callback(const char* msg, void* /* client_data */);

   bool opj_decode( std::ifstream* in,
                    const ossimIrect& rect,
                    ossim_uint32 resLevel,
                    ossim_int32 format, // OPJ_CODEC_FORMAT
                    std::streamoff fileOffset, // for nitf
                    ossimImageData* tile
                    );
   
   bool copyOpjImage( opj_image* image, ossimImageData* tile );
   
   template <class T> bool copyOpjSrgbImage( T dummy,
                                             opj_image* image,
                                             ossimImageData* tile );
   
   ossim_int32 getCodecFormat( std::istream* str );

   std::ostream& print(std::ostream& out, const opj_codestream_info& info);
   
   std::ostream& print(std::ostream& out, const opj_cparameters& param);

   std::ostream& print(std::ostream& out, const opj_dparameters& param);

   std::ostream& print(std::ostream& out, const opj_image& image);

   std::ostream& print(std::ostream& out, const opj_image_comp& comp);

   std::string getProgressionOrderString( ossim_int32 prog_order );

} // End of namespace ossim

#endif /* ossimOpjCommon_HEADER */