glc_reptrackballmover.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_REPTRACKBALLMOVER_H_
#define GLC_REPTRACKBALLMOVER_H_

#include "glc_repmover.h"
#include "../geometry/glc_circle.h"
#include "../sceneGraph/glc_3dviewinstance.h"

#include "../glc_config.h"



class GLC_LIB_EXPORT GLC_RepTrackBallMover : public GLC_RepMover
{
public:
        GLC_RepTrackBallMover(GLC_Viewport*);

        GLC_RepTrackBallMover(const GLC_RepTrackBallMover&);

        // Destructor
        virtual ~GLC_RepTrackBallMover();





        virtual GLC_RepMover* clone() const;



public:

        virtual void init();

        virtual void update();

        virtual void setMainColor(const QColor& color);

        inline void setRatio(double ratio)
        {m_Ratio= ratio;}




public:
        virtual void glDraw();


// Private services Functions
private:
        void computeRadius();

// Private Members
private:
        double m_Radius;
        GLC_Circle m_MainCircle;
        GLC_3DViewInstance m_Arc1;
        GLC_Matrix4x4 m_MatArc1;
        GLC_3DViewInstance m_Arc2;
        GLC_Matrix4x4 m_MatArc2;
        double m_Ratio;

};

#endif /* GLC_REPTRACKBALLMOVER_H_ */