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Array2D.h

/*
 *  Copyright (c) 2002, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Frans Verster (verster@science.uva.nl)
 */

#ifndef Array2D_h
#define Array2D_h

//#include "HxImageRep.h"
//#include "HxImgFtorQueueBased.h"
//#include "HxIncludedSigs.h"

#include "HxMakeFromShortData.h"

template <class T>
class Array2D {
private:
    unsigned dims[2];
    T *ptr;
    Array2D();
public:
    Array2D(const Array2D &);
    Array2D & operator = (Array2D &arg)//(const Array2D &arg)
    {
        for (unsigned i=0; i<dims[0]*dims[1]; i++) ptr[i]=arg[i];
        return *this;
    };
    ~Array2D() { delete []ptr; }
    Array2D(unsigned x, unsigned y, const T &val) {
        dims[0]=x;
        dims[1]=y;
        unsigned s=x*y;
        ptr = new T[s];
        for (unsigned i=0; i<s; i++) ptr[i]=val;
    }
    T & operator () (unsigned x, unsigned y) {
#ifdef _DEBUG
        if (x>=dims[0] || y>=dims[1]) 
            throw HxString("x>=dims[0] || y>=dims[1]");
#endif
        return ptr[x+dims[0]*y];
    }

    T & operator [] (unsigned i) {
        return ptr[i];
    }


    int getDim(int n)
    {
        return dims[n];
    }

    HxImageRep MakeHxImage()
    {
        int pixelDimensionality=1;
        int dimensions=2;
        HxSizes sizes(dims[0],dims[1],1);
        //the data pointer for Hx should have 3 shorts per pixels?
        short* data= new short[dims[0]*dims[1]];
                    int i,j;
                    int height,width;
                    width=dims[0];
                    height=dims[1];
                    for(i=0;i<width;i++)
                        for(j=0;j<height;j++)
                        {
                            data[j*width+i]=ptr[j*width+i];
                        }


        HxImageRep gd = HxMakeFromShortData(
                        pixelDimensionality,
                        dimensions,
                        sizes,
                        data);
        return gd;
    }

};


#endif

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