spatmod/imagesourcegdal.h

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#ifndef  INC_SPATMOD_IMAGESOURCEGDAL_H
#define  INC_SPATMOD_IMAGESOURCEGDAL_H

#ifndef  INC_SPATMOD_IMAGESOURCEFILE_H
#include <spatmod/imagesourcefile.h>
#endif

#ifndef  INC_MI32_FILEPATH_H
#include <mi32/filepath.h>
#endif

#ifndef INC_SPATMOD_IMAGEHELPERRVC_H
#include <spatmod/imagehelperrvc.h>
#endif

#ifndef GDAL_H_INCLUDED
#include <contrib/gdal/gdal.h>
#endif

#ifndef GDAL_PRIV_H_INCLUDED
#include <contrib/gdal/gdal_priv.h>
#endif

namespace SPATMOD {
namespace IMAGE {

//=====================================================================================================================

class SOURCE_GDAL : public SOURCE_FILE {
   public:

      enum DRIVER {
         DRIVER_ESRIArcGrid,
         DRIVER_ENVISAT,
         DRIVER_ERDASImagine,
         DRIVER_GIF,
         DRIVER_GMTNetCDF,
         DRIVER_NetCDF,
         DRIVER_NITF,
         DRIVER_PCI
         };

      explicit SOURCE_GDAL (
         const FILEPATH& FilePath,     
         const char *DriverName = 0    
         );

      SOURCE_GDAL (
         const FILEPATH& FilePath,     
         DRIVER Driver                 
         );
      
      explicit SOURCE_GDAL (
         SIMPLE_ARRAY<UINT8>& MemBuffer,  
         const char *DriverName = 0       
         );

      SOURCE_GDAL (
         SIMPLE_ARRAY<UINT8>& MemBuffer,  
         DRIVER Driver                    
         );
      
      virtual ~SOURCE_GDAL ();

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      GDALDataset *m_pDataset;
      const char *m_DriverName;
      bool m_DoingPull;

      RVC::IMAGE::CELLTYPE GetColorCompCellType (
         GDALDataset *pDataset
         ) const;

      RVC::IMAGE::CELLTYPE GetCellType (
         GDALDataType datatype
         ) const;

      void SetDriver (DRIVER driver);

      // BASE overrides.
      virtual ERRVALUE v_GetDimensions (DIMENSIONS& dimensions, double zoom) const;
      virtual ZOOMABILITY v_GetZoomAbility (SIMPLE_ARRAY<double>& ZoomsAllowed) const;
      virtual float v_QueryIterator (const SECTION_ITERATOR& iterator) const;

      // STAGE overrides.
      virtual ERRVALUE v_Initialize ();
      virtual ERRVALUE v_PullBegin (const SECTION_ITERATOR& iterator);
      virtual ERRVALUE v_PullEnd ();
      virtual ERRVALUE v_PullSubSection (const SECTION& SubSection, BUFFER& buffer);

      // Unimplemented
      SOURCE_GDAL (const SOURCE_GDAL&);
      SOURCE_GDAL& operator= (const SOURCE_GDAL&);
      #endif // GENERATING_DOXYGEN_OUTPUT

   };

//=====================================================================================================================

}  // End namespace IMAGE
}  // End namespace SPATMOD

#endif   // INC_SPATMOD_IMAGESOURCEGDAL_H

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