---

BicubicImInterpolator.hpp

#ifndef _BicubicImInterpolator_H
#define _BicubicImInterpolator_H

#include <stdio.h>

#include "AnImageInterpolator.hpp"

class BicubicImInterpolator : public AnImageInterpolator
{
private:

int     ix, iy;         // current reference box corner, if not changed, interpolate without recomputing coeffs!
int     ichannel;               // changing channel leads to other interpolation

float y[4];                     // point corners
float y1[4];            // x gradient
float y2[4];            // y gradient
float y12[4];           // xy cross derivation

float c[4][4];          // bicubic coefficients 

public:

const static int wt[16][16];

protected:

void computeBoxAndGradients(double x, double y, int c=0);       // default use central differentials, limiters may help,...
void computeCoefficients();                                             // assume dx=dy=1.0

public:

BicubicImInterpolator(AnImage* animage=0):AnImageInterpolator(animage){ix=-1; iy=-1; ichannel=-1;}
virtual ~BicubicImInterpolator(){}

virtual int igetR(double x, double y, int c=0);                         // integer rounding
virtual double getR(double x, double y, int c=0);                       // interpolated value
};

#endif

Restoreinpaint sourceforge project `C++/Java Image Processing, Restoration, Inpainting Project'.

Bernard De Cuyper: Open Project Leader: Concept, design and development. Bernard De Cuyper & Eddy Fraiha 2002, 2003. Bernard De Cuyper 2004. Open and free, for friendly usage only. Modifications on Belgium ground of this piece of artistic work, by governement institutions or companies, must be notified to Bernard De Cuyper.