spatmod/imagefiltermosaic.h

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#ifndef  INC_SPATMOD_IMAGEFILTERMOSAIC_H
#define  INC_SPATMOD_IMAGEFILTERMOSAIC_H

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

#ifndef  INC_SPATMOD_IMAGERESAMPLEMETHOD_H
#include <spatmod/imageresamplemethod.h>
#endif

class REGION2D;

namespace SPATMOD {
namespace IMAGE {

class BUFFER;
class SAMPLEITERATOR;
class SAMPLEITERATOR_CONST;

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

class FILTER_MOSAIC : public FILTER {
   public:

      enum FEATHERMETHOD {
         FEATHERMETHOD_None,
         FEATHERMETHOD_Linear,
         FEATHERMETHOD_Nonlinear
         };

      enum OVERLAPMETHOD {
         OVERLAPMETHOD_First,                
         OVERLAPMETHOD_Last,                 
         OVERLAPMETHOD_Minimum,              
         OVERLAPMETHOD_Maximum,              
         OVERLAPMETHOD_ClosestToSpecified    
         };

      FILTER_MOSAIC (
         STAGE_ARRAY& PreviousStages,        
         bool TakeOwnership,                 
         const DIMENSIONS& Dimensions,       
         const GEOREFERENCE& Georeference,   
         RESAMPLEMETHOD ResampleMethod,      
         OVERLAPMETHOD OverlapMethod         
         );

      FILTER_MOSAIC (
         STAGE_ARRAY& PreviousStages,        
         bool TakeOwnership,                 
         const BASE& RefImage,               
         RESAMPLEMETHOD ResampleMethod,      
         OVERLAPMETHOD OverlapMethod         
         );

      // Destructor.
      virtual ~FILTER_MOSAIC ();

      ERRVALUE SetPixelTestClosest (
         const PIXEL& PixelTestClosest       
         );

      void SetAccuracy (
         double accuracy                     
         ) { m_Accuracy = accuracy; }

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      class INPUTLIST;

      RESAMPLEMETHOD m_ResampleMethod;
      OVERLAPMETHOD m_OverlapMethod;
      double m_Accuracy;
      PIXEL m_PixelTestClosest;
      INT32 m_MaxColumnsPull;
      INT32 m_MaxRowsPull;
      double *m_dValueTestClosest;
      DRECT2D *m_ExtentsInputInOutput;
      SAMPLEITERATOR_CONST *m_itInput;
      SAMPLEITERATOR *m_itOutput;
      INPUTLIST *m_pInputListLRU;
      int m_MaxListSizeLRU;

      void InitPixelTestClosest ();
      ERRVALUE ProcessOverlap (BUFFER& BufferOutput, const BUFFER& BufferInput, INT32 NumColumns, INT32 NumRows) const;
      ERRVALUE RemoveLastFromLRU ();

      // BASE/STAGE/FILTER 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);
      virtual float v_QueryIterator (const SECTION_ITERATOR& iterator) const;

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

   };

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

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

#endif   // INC_SPATMOD_IMAGEFILTERMOSAIC_H

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