spatmod/imagefilterlinear.h

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#ifndef  INC_SPATMOD_IMAGEFILTERLINEAR_H
#define  INC_SPATMOD_IMAGEFILTERLINEAR_H

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

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

class MIMATRIX;

namespace SPATMOD {
namespace IMAGE {

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

class FILTER_LINEAR : public FILTER {
   public:

      FILTER_LINEAR (
         STAGE *pPreviousStage,              
         bool TakeOwnership,                 
         UINT16 NumTgtSamples = 0,           
         bool PassOpacity = true             
         );

      virtual ~FILTER_LINEAR ();

      double GetCoefficient (
         UINT16 TgtSampleNum,                
         UINT16 SrcSampleNum                 
         ) const;

      void GetCoefficients (
         MIMATRIX& Coefficients              
         ) const;

      double GetOffset (
         UINT16 TgtSampleNum                 
         ) const;

      void GetOffsets (
         MIMATRIX& Offsets                   
         ) const;

      ERRVALUE SetCoefficient (
         UINT16 TgtSampleNum,                
         UINT16 SrcSampleNum,                
         double value                        
         );

      ERRVALUE SetCoefficients (
         const MIMATRIX& Coefficients        
         );

      ERRVALUE SetOffset (
         UINT16 TgtSampleNum,                
         double value                        
         );

      ERRVALUE SetOffsets (
         const MIMATRIX& Offsets             
         );

      void SetOffsets (
         const double *Offsets               
         );

   protected:

      // STAGE overrides.

      virtual ERRVALUE v_Initialize ();

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      DOUBLE_ARRAY<double> m_Coeff;
      DOUBLE_ARRAY<double> m_Offset;
      UINT16 m_NumSrcSamples;
      UINT16 m_NumTgtSamples;
      UINT16 m_NumOpacity;

      // STAGE overrides.
      virtual ERRVALUE v_PullSubSection (const SECTION& SubSection, BUFFER& buffer);

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

   };

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

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

#endif   // INC_SPATMOD_IMAGEFILTERLINEAR_H

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