contrib/brl/bseg/brip/brip_kernel.h

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// This is brl/bseg/brip/brip_kernel.h
#ifndef brip_kernel_h
#define brip_kernel_h
//:
// \file
// \brief A base class for 2d convolution kernels that can be shifted
// \author Amir Tamrakar
// \date 9 Sept 2006
//
// \verbatim
//  Modifications
//   <none yet>
// \endverbatim

#include <vil/vil_image_view.h>

//: base class for shiftable 2d kernels
class brip_kernel : public vil_image_view<double>
{
 protected:
  double dx, dy; ///< operator shifts,
  double theta;  ///< operator rotation

 public:
  brip_kernel(unsigned w, unsigned h, double dx_=0.0, double dy_=0.0, double theta_=0.0):
      dx(dx_), dy(dy_), theta(theta_)
  {
    set_size(w,h);
    //fill(0.0);
  }

  ~brip_kernel(){}

  //: recompute kernel with given subpixel shifts
  virtual void recompute_kernel(double dx_=0.0, double dy_=0.0, double theta=0.0)=0;
};

#endif // brip_kernel_h