doubleimage.h

/*
 * This file is part of libCP
 * FILE:                doubleimage.h
 * AUTHOR:              Harald Studer (hs@lexip.ch)
 *
 *
 * Copyright (c) 2004, The libCP project
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your opinion) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef _LIBCP_DOUBLEIMAGE_H_
#define _LIBCP_DOUBLEIMAGE_H_

#include <cstdlib>
#include <iostream>

using namespace std;

#include "globals.h"
#include "image.h"

namespace LIBCP{

class DoubleImage : public BaseImage
{
public:
    ~DoubleImage();
    static DoubleImage* createDoubleImage( Image* img );
    static DoubleImage* createDoubleImage( int width, int height, int type );
    int convertToImage( Image* dst );
    bool in( int x, int y ) { return ( x >= 0 && x < width()
                                       && y >= 0 && y < height() ); };
    double& number( int x, int y ) { if( in( x, y ) )
            return ( m_numbers[y] )[x]; };

    void lock() {};
    void unlock() {};

    bool isValidPixel(int x, int y);
    DoubleImage& operator=( DoubleImage& i );
    DoubleImage& operator*=( DoubleImage& i );

private:
    DoubleImage( double** numbers, int widht, int height, int type );
    DoubleImage( int widht, int height, int type );

    void newNumbers();
    void deleteNumbers();
    double** m_numbers;

};//end of class Image definition

DoubleImage& operator*( DoubleImage& a, DoubleImage& b );

}
#endif /* _LIBCP_IMAGE_H_ */

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