---

HxUpoGetPixElt.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Edo Poll (poll@wins.uva.nl)
 *
 */

#ifndef HxUpoGetPixElt_h
#define HxUpoGetPixElt_h

#include "HxTagList.h"
#include "HxClassName.h"


template<class DstValT, class SrcValT>
class HxUpoGetPixElt
{
public:
                    HxUpoGetPixElt(HxTagList& tags);

    DstValT         doIt(const SrcValT& x)
                        { return x.getValue(_dim);}

    static HxString className()
                        { return HxString("getPixelElement"); }

private:
    int             _dim;
};

template<class DstValT, class SrcValT>
inline
HxUpoGetPixElt<DstValT, SrcValT>::HxUpoGetPixElt(HxTagList& tags)
{
    _dim = HxGetTag(tags, "dimension", int(1));
    if (_dim < 0)
        _dim = 1;
    _dim = ((_dim - 1) % 3) + 1;
}

#endif

---