ossimHdfReader.h

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//----------------------------------------------------------------------------
//
// License:  LGPL
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Description:  Class declaration HDF reader.
//
// Specification: ISO/IEC 15444
//
//----------------------------------------------------------------------------
// $Id: ossimHdfReader.h 2645 2011-05-26 15:21:34Z oscar.kramer $

#ifndef ossimHdfReader_HEADER
#define ossimHdfReader_HEADER 1

//ossim includes
#include <ossim/plugin/ossimPluginConstants.h>
#include <ossim/base/ossimIpt.h>
#include <ossim/base/ossimIrect.h>
#include <ossim/base/ossimRefPtr.h>
#include <ossim/imaging/ossimImageHandler.h>
#include <ossim/support_data/ossimJ2kSizRecord.h>
#include <ossim/imaging/ossimAppFixedTileCache.h>
#include <ossimGdalTileSource.h>

// Forward class declarations.
class ossimImageData;

class OSSIM_PLUGINS_DLL ossimHdfReader : public ossimImageHandler
{
public:

   ossimHdfReader();
   
   virtual ~ossimHdfReader();

   virtual ossimString getShortName() const;
   
   virtual ossimString getLongName()  const;

   virtual ossimString getClassName() const;

   virtual ossimRefPtr<ossimImageData> getTile(const  ossimIrect& rect,
                                               ossim_uint32 resLevel=0);

   virtual bool getTile(ossimImageData* result, ossim_uint32 resLevel=0);   

   virtual ossim_uint32 getNumberOfInputBands() const;

   virtual ossim_uint32 getNumberOfOutputBands()const; 
   virtual ossim_uint32 getImageTileWidth() const;

   virtual ossim_uint32 getImageTileHeight() const;

   virtual ossimScalarType getOutputScalarType() const;
 

   virtual ossim_uint32 getNumberOfLines(ossim_uint32 resLevel = 0) const;

   virtual ossim_uint32 getNumberOfSamples(ossim_uint32 resLevel = 0) const;

   virtual bool open();

   virtual bool isOpen()const;

   virtual void close();

   virtual ossimRefPtr<ossimImageGeometry> getImageGeometry();

   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=0);   

   virtual bool setCurrentEntry(ossim_uint32 entryIdx);

   virtual ossim_uint32 getNumberOfEntries()const;
   
   virtual void getEntryList(std::vector<ossim_uint32>& entryList) const;

   virtual ossim_uint32 getCurrentEntry() const { return m_currentEntryRender; }

   bool isSupportedExtension();

   std::vector<ossim_uint32> getCurrentEntryList(ossim_uint32 entryId) const;

   ossimString getEntryString(ossim_uint32 entryId) const;

   ossimString getDriverName();

   virtual bool setOutputBandList(const std::vector<ossim_uint32>& band_list);

private:

  bool isSDSDataset(ossimString fileName);

  ossimRefPtr<ossimGdalTileSource>                              m_gdalTileSource;
  mutable std::vector<ossim_uint32>                             m_entryFileList;
  ossim_uint32                                                  m_numberOfBands;
  ossimScalarType                                               m_scalarType;
  ossim_uint32                                                  m_currentEntryRender;
  ossimRefPtr<ossimImageData>                                   m_tile;
TYPE_DATA
};

#endif /* #ifndef ossimHdfReader_HEADER */