spatmod/imagefiltergapfill.h

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#ifndef  INC_SPATMOD_IMAGEFILTERGAPFILL_H
#define  INC_SPATMOD_IMAGEFILTERGAPFILL_H

#ifndef  INC_SPATMOD_IMAGEFILTER_H
#include <spatmod/imagefilter.h>
#endif

#ifndef  INC_MI32_MILIST_H
#include <mi32/milist.h>
#endif

#ifndef  INC_MI32_BITSET_H
#include <mi32/bitset.h>
#endif

#ifndef  INC_MI32_DOUBLEAR_H
#include <mi32/doublear.h>
#endif

#include <vector>

namespace SPATMOD {
namespace IMAGE {

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

class FILTER_GAPFILL : public FILTER {
   public:

      enum METHOD {
         METHOD_None = 0,
         METHOD_Nearest,
         METHOD_InverseLinear,
         METHOD_InverseSquare
         };

      FILTER_GAPFILL (
         STAGE *pPreviousStage,              
         bool TakeOwnership,                 
         METHOD Method,                      
         INT32 GapWidth                      
         );

      // Destructor.
      virtual ~FILTER_GAPFILL ();

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      class TESTPOS {
         public:
            TESTPOS () : m_dx(0), m_dy(0) { }
            TESTPOS (INT32 dx, INT32 dy) : m_dx(static_cast<INT8>(dx)), m_dy(static_cast<INT8>(dy)) { }
            INT8 GetDx () const { return (m_dx); }
            INT8 GetDy () const { return (m_dy); }
         private:
            INT8 m_dx;
            INT8 m_dy;
         };
      typedef MILIST<TESTPOS> TESTPOSLIST;

      typedef UINT8* PTRUINT8;

      METHOD m_Method;
      INT32 m_GapWidth;
      INT32 m_GapWidth21;
      DATATYPE m_DataType;
      std::vector<TESTPOSLIST> m_TestPosLists[8];  // Array of vectors of test positions, indexed by octant and distance
      PTRUINT8 *m_SrcValidityArray;
      DOUBLE_ARRAY<double> m_TotValue;
      SIMPLE_ARRAY<UINT16> m_UsedArray;
      DOUBLE_ARRAY<double> m_Weight;

      void AddTestItem (INT32 d, INT32 dx, INT32 dy);
      void FillCellUINT8 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellSINT8 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellUINT16 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellSINT16 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellUINT32 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellSINT32 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellFLOAT32 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);
      void FillCellFLOAT64 (INT32 row, INT32 col, BUFFER& TgtBuffer, const BUFFER& SrcBuffer);

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

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

   };

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

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

#endif   // INC_SPATMOD_IMAGEFILTERGAPFILL_H

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