ContrastFilter.h

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/* Import from Gabor API

Copyright (c) 2002-3 Adriaan Tijsseling


                             All Rights Reserved

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) 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. If not, see <http://www.gnu.org/licenses/>.
*/

/*
        Description:            Abstract class for contrast filter
        Original Author:        Yasunobu Honma
        Modifications by:       Adriaan Tijsseling (AGT)
*/

#ifndef __CONTRAST_FILTER_CLASS__
#define __CONTRAST_FILTER_CLASS__

#include <cstring>
#include "PGMImage.h"

namespace celeste
{

class ContrastFilter
{
public:

    ContrastFilter() : mContrast(NULL), mHeight(0), mWidth(0) { };
    ContrastFilter( float**, int, int );
    ~ContrastFilter();

        void            ApplyFilter( float** img, int height, int width );
        void            Save( char* file );

        inline float**  GetContrast( void ) { return mContrast; }
        inline int              GetWidth() { return mWidth; }
        inline int              GetHeight(){ return mHeight; }

private:
        // prevent copying of class
        ContrastFilter(const ContrastFilter&);
        ContrastFilter& operator=(const ContrastFilter&);

protected:

    float       **mContrast;    // applied contrast
    int         mHeight;                // height of filter
    int         mWidth;                 // width of filter
};
}; // namespace
#endif