TranFxConvolutionFilter.h

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#ifndef __TranFxConvolutionFilter_H_DEFINED__
#define __TranFxConvolutionFilter_H_DEFINED__

class AGMImageAccessor;
#include "K2Vector.h"
#include "K2Vector.tpp"

class TranFxConvolutionFilter
{
public:
 typedef float Pixel;

public:

 class Kernel
 {
 public:
 Kernel(int32 width, int32 height, const float* coefficients);

 virtual ~Kernel() {}

 public:
 uint32 GetWidth() const {return fWidth;}

 uint32 GetHeight() const {return fHeight;}

 int32 GetXOrigin() const {return fXOrigin;}

 int32 GetYOrigin() const {return fYOrigin;}

 const float* GetCoefficients() const {return fCoefficients;}

 public:
 virtual void ApplySum(TranFxConvolutionFilter::Pixel& sum) {}

 private:
 uint32 fWidth;
 uint32 fHeight;
 int32 fXOrigin;
 int32 fYOrigin;
 const float* fCoefficients;
 };

public:
 TranFxConvolutionFilter(AGMImageAccessor* agmImage, const bool16 invertGrey, const bool16 applyAlpha);

 virtual ~TranFxConvolutionFilter();

public:
 // General purpose member functions.

 void Convolve(Kernel& kernel);

 AGMImageAccessor* CreateOutputAccessor(AGMImageRecord& output);

public:
 // Canned effects.

 void ApplyBlur();

private:
 AGMImageAccessor* fInput;
 uint32 fInputBytesPerPixel;
 uint32 fWidth;
 uint32 fHeight;
 TranFxConvolutionFilter::Pixel* fOutput;
};

#endif // __TranFxConvolutionFilter_H_DEFINED__