spatmod/imagesourcervc.h

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#ifndef  INC_SPATMOD_IMAGESOURCERVC_H
#define  INC_SPATMOD_IMAGESOURCERVC_H

#ifndef  INC_SPATMOD_IMAGESOURCE_H
#include <spatmod/imagesource.h>
#endif

#ifndef  INC_SPATMOD_IMAGESAMPLE_H
#include <spatmod/imagesample.h>
#endif

#ifndef  INC_RVC_OBJITEMLIST_H
#include <rvc/objitemlist.h>
#endif

#ifndef  INC_RVC_RASTER_H
#include <rvc/raster.h>
#endif

#ifndef  INC_RVC_NULLMASK_H
#include <rvc/nullmask.h>
#endif

namespace SPATMOD {
namespace IMAGE {

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

class SOURCE_RVC : public SOURCE {
   public:

      explicit SOURCE_RVC (
         const RVC::OBJITEM& ObjItem,              
         RVC::RASTER::COMPONENT component = RVC::RASTER::COMPONENT_Default,   
         SAMPLE::TYPE SampleType = SAMPLE::TYPE_Invalid                    
         );

      SOURCE_RVC (
         const RVC::OBJITEM& ObjItem,              
         const RVC::CREDENTIALS& Credentials,      
         RVC::RASTER::COMPONENT component = RVC::RASTER::COMPONENT_Default,   
         SAMPLE::TYPE SampleType = SAMPLE::TYPE_Invalid                    
         );

      virtual ~SOURCE_RVC ();

      void SetKeepOpen (
         bool KeepOpen
         ) { m_KeepOpen = KeepOpen; }

      void SetSpreadToByte (
         bool SpreadToByte
         ) { m_SpreadToByte = SpreadToByte; }

      void SetUseColorPalette (
         bool UseColorPalette,                     
         const MIUNICODE* ObjNamePalette = 0       
         );

      void SetUsePyramidTiers (
         bool UsePyramidTiers
         ) { m_UsePyramidTiers = UsePyramidTiers; }

      void SetUseValidity (
         bool UseValidity
         ) { m_UseValidity = UseValidity; }

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      SAMPLE::TYPE m_SampleType;
      RVC::RASTER::COMPONENT m_Component;
      RVC::IMAGE::CONVMODE m_ConvMode;
      RVC::CREDENTIALS *m_pCredentials;
      RVC::OBJITEM m_ObjItemMain;
      RVC::OBJITEMLIST m_ObjItemListTiers;
      SIMPLE_ARRAY<INT32> m_TierSampleSteps;
      mutable SIMPLE_ARRAY<UINT8> m_TierFlags;
      DIMENSIONS *m_TierDimensions;
      mutable RVC::RASTER m_ObjRaster;
      mutable RVC::NULLMASK m_ObjMask;
      mutable double m_CurZoom;
      bool m_UseColorPalette;
      bool m_UsePyramidTiers;
      bool m_UseValidity;
      bool m_SpreadToByte;
      bool m_KeepOpen;
      bool m_DoingPull;
      bool m_UseCacheRect;
      RVC::OBJECTNAME m_ObjNamePalette;
      RVC::RASTER::COMPONENT m_SampleComponent[4];
      SIMPLE_ARRAY<UINT16> m_SampleIdx;
      DOUBLE_ARRAY<double> m_RowBuf;

      static UINT8 CalcTierFlags (RVC::RASTER& ObjRaster);
      int GetTierIndex (double zoom) const;

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

      // STAGE overrides.
      virtual ERRVALUE v_ComputeSampleStats (STAT_UNIVARIATE *SampleStatsArray, STATSVALIDITY StatsValidity);
      virtual void v_GetMetadataThisOnly (MISTRING& result, METADATACONTENT content, METADATAFORMAT format) const;
      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_RVC (const SOURCE_RVC&);
      SOURCE_RVC& operator= (const SOURCE_RVC&);
      #endif // GENERATING_DOXYGEN_OUTPUT

   };

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

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

#endif   // INC_SPATMOD_IMAGESOURCERVC_H

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