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HxDataPtr2dScalarTem.h

/*
 *  Copyright (c) 1996, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 *  Edo Poll (poll@wins.uva.nl)
 */


#ifndef HxDataPtr2dScalarTem_h
#define HxDataPtr2dScalarTem_h

#include <stddef.h>
#include "HxIncludedNonnative.h"


template<class PixelT, class ArithT>
class HxDataPtr2dScalarTem {
public:
                            HxDataPtr2dScalarTem(PixelT* data, int width);
                            HxDataPtr2dScalarTem(PixelT* data, size_t* size);
                            HxDataPtr2dScalarTem(
                                const HxDataPtr2dScalarTem& rhs);

    HxDataPtr2dScalarTem&   operator=(const HxDataPtr2dScalarTem& rhs);

    void                    incX(); // will increase y when x > width
    void                    decX(); // will decrease y when x < 0
    void                    incY();
    void                    decY();
    void                    incZ();
    void                    decZ();
    void                    incX(int off);
    void                    decX(int off);
    void                    incY(int off);
    void                    decY(int off);

    void                    incXYZ(int xOff, int yOff, int zOff = 0);
    void                    decXYZ(int xOff, int yOff, int zOff = 0);

    ArithT                  read();
    void                    write(const ArithT& val);
    ArithT                  readIncX() { return ArithT(*_ptr++); }
    void                    writeIncX(const ArithT& val)
                                { *_ptr++ = PixelT(val.x()); }

    PixelT*                 data();

    void                    vprint();
    void                    vprint(HxDataPtr2dScalarTem reference);

private:
    int                     _width;
    PixelT*                 _ptr;
};

template<class PixelT, class ArithT>
inline
HxDataPtr2dScalarTem<PixelT,ArithT>::HxDataPtr2dScalarTem(
    PixelT* data, int width)
{
    _width = width;
    _ptr = data;
}

template<class PixelT, class ArithT>
inline
HxDataPtr2dScalarTem<PixelT,ArithT>::HxDataPtr2dScalarTem(
    PixelT* data, size_t* size)
{
    _width = size[0];
    _ptr = data;
}

template<class PixelT, class ArithT>
inline
HxDataPtr2dScalarTem<PixelT,ArithT>::HxDataPtr2dScalarTem(
    const HxDataPtr2dScalarTem& rhs)
{
    _width = rhs._width;
    _ptr = rhs._ptr;
}

template<class PixelT, class ArithT>
inline HxDataPtr2dScalarTem<PixelT,ArithT>&
HxDataPtr2dScalarTem<PixelT,ArithT>::operator=(const HxDataPtr2dScalarTem& rhs)
{
    _width = rhs._width;
    _ptr = rhs._ptr;
    return *this;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incX()
{
    _ptr++;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decX()
{
    _ptr--;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incY()
{
    _ptr += _width;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decY()
{
    _ptr -= _width;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incZ()
{
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decZ()
{
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incX(int off)
{
    _ptr += off;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decX(int off)
{
    _ptr -= off;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incY(int off)
{
    _ptr += off * _width;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decY(int off)
{
    _ptr -= off * _width;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::incXYZ(int xOff, int yOff, int)
{
    _ptr += yOff * _width + xOff;
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::decXYZ(int xOff, int yOff, int)
{
    _ptr -= yOff * _width + xOff;
}

template<class PixelT, class ArithT>
inline ArithT
HxDataPtr2dScalarTem<PixelT,ArithT>::read()
{
    return ArithT(*_ptr);
}

template<class PixelT, class ArithT>
inline void
HxDataPtr2dScalarTem<PixelT,ArithT>::write(const ArithT& val)
{
    *_ptr = PixelT(val.x());
}

template<class PixelT, class ArithT>
inline PixelT*
HxDataPtr2dScalarTem<PixelT,ArithT>::data()
{
    return _ptr;
}

#ifdef INC_TEMPLATE_SRC
#include "HxDataPtr2dScalarTem.c"
#endif

#endif

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