EightSED.h

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#ifndef EightSED_h
#define EightSED_h

#include "DistanceTransform.h"
//----------------------------------------------------------------------
class EightSED : public DistanceTransform {

public:
    EightSED ( const int xSize, const int ySize, const bool unload=true )
        : DistanceTransform(xSize, ySize, unload)
    {
    }

    ~EightSED ( ) {
        if (this->p!=NULL) {
            free( this->p );
            this->p = NULL;
        }
    }

    virtual void doTransform ( const unsigned char* const I );

    virtual inline bool getP ( const int x, const int y, int& px, int& py ) const {
        if (p==NULL)    return false;
        const int s = sub(x,y);
        px = p[s].x;
        py = p[s].y;
        return true;
    };

protected:
    P  *p;
    void init ( double* d );
    void initImmediate ( const unsigned char* const I, double* d );

};

#endif
//----------------------------------------------------------------------

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