glc_trackballmover.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib 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 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#ifndef GLC_TRACKBALLMOVER_H_
#define GLC_TRACKBALLMOVER_H_

#include "glc_mover.h"

#include "../glc_config.h"



class GLC_LIB_EXPORT GLC_TrackBallMover : public GLC_Mover
{


public:
        GLC_TrackBallMover(GLC_Viewport*, const QList<GLC_RepMover*>& repsList= QList<GLC_RepMover*>());

        GLC_TrackBallMover(const GLC_TrackBallMover&);

        virtual ~GLC_TrackBallMover();



public:
        virtual GLC_Mover* clone() const;



public:
        virtual void init(const GLC_UserInput& userInput);

        virtual bool move(const GLC_UserInput& userInput);

        void setRatio(double ratio);


// Private services Functions
private:
        GLC_Vector3d mapForTracking( double , double) const;

// Private Members
private:
        double m_Ratio;


};

#endif /* GLC_TRACKBALLMOVER_H_ */