findpupil.h

barcode readers [ from Image]

//
// CFindPupil -- given the center of the eye, find the radius of the
//               pupil.
//
// Copyright (C) 2003, 2006 by Jon A. Webb (Contact via GMail; username is jonawebb)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library 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
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

#ifndef FindPupil_h
#define FindPupil_h

#include "Image.h"

#include <e32cons.h>
#include <e32std.h>

namespace Algorithm
{
	class CFindPupil: public CBase
    {
        // Lifecycle
    public:
        IMPORT_C static CFindPupil* NewL(int nMinRadius, int nMaxRadius);
        ~CFindPupil(void);

    private:
        CFindPupil(int nMinRadius, int nMaxRadius);
        void ConstructL();

        // Operations
    public:
        // 
        // FindPupil
        //   Input:
        //      pImage -- the input (color) image
        //      ptCenter -- known center of the eye
        //      nMinRadius, nMaxRadius -- minimum and maximum radii of the pupil
        //   Output:
        //      nRadius -- the measured radius of the pupil (-1 means pupil not found)
        //
        void IMPORT_C FindPupilL(Core::CImage image, TPoint ptCenter, int& nRadius);

    private:
        // Attributes
        int inMinRadius, inMaxRadius;
        int* ipSums;
        int* ipCount;
    };
};


#endif // FindPupil_h