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/****************************************************************************
 **
 ** Copyright C 2002-2012 Laboratory for Active and Attentive Vision (LAAV), Department of Computer Science and Engineering, York University, Toronto, ON, Canada.
 ** All rights reserved.
 **
 ** This file is part of the TarzaNN Neural Network Simulator.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** See http://www.tarzann.org/gpl/ for GPL licensing information.
 **
 ** Contact info@tarzann.org if any conditions of this licensing are
 ** not clear to you.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ****************************************************************************/

#ifndef RETINAL_FILTER_H_INCLUDED
#define RETINAL_FILTER_H_INCLUDED
#include "Filter.h"
#include "FilterFactory.h"

class RetinalFilter: public Filter {
    friend class FilterFactory;
    friend class DOGFilter;
protected:
    RetinalFilter (int w, int h, int distanceFromDisplay=50, int pixelsPerCm=38);
    int retinalDistance;
public:
    int getDistanceFromRetina();
};
#endif //Retinal_FILTER_H_INCLUDED