glc_abstractmanipulator.h

Go to the documentation of this file.

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

 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_ABSTRACTMANIPULATOR_H_
#define GLC_ABSTRACTMANIPULATOR_H_

#include "../maths/glc_vector3d.h"
#include "../maths/glc_matrix4x4.h"
#include "../maths/glc_plane.h"

#include "../glc_config.h"

class GLC_Viewport;



class GLC_LIB_EXPORT GLC_AbstractManipulator
{


public:
        GLC_AbstractManipulator(GLC_Viewport* pViewport);

        GLC_AbstractManipulator(const GLC_AbstractManipulator& abstractManipulator);

        virtual ~GLC_AbstractManipulator();



public:
        inline bool isInManipulateState() const
        {return m_IsInManipulateState;}

        const GLC_Point3d& previousPosition() const
        {return m_PreviousPosition;}

        inline GLC_Viewport* viewportHandle() const
        {return m_pViewport;}

        virtual GLC_AbstractManipulator* clone() const= 0;




public:
        void enterManipulateState(const GLC_Point3d& startPoint);

        GLC_Matrix4x4 manipulate(const GLC_Point3d& newPoint);

        inline void exitManipulateState()
        {m_IsInManipulateState= false;}

        inline void setViewport(GLC_Viewport* pViewport)
        {m_pViewport= pViewport;}


// Protected services function
protected:
        virtual GLC_Matrix4x4 doManipulate(const GLC_Point3d& newPoint, const GLC_Vector3d& projectionDirection)= 0;

// protected Member
protected:
        GLC_Viewport* m_pViewport;

        GLC_Plane m_SliddingPlane;

        GLC_Point3d m_PreviousPosition;

        bool m_IsInManipulateState;

};

#endif /* GLC_ABSTRACTMANIPULATOR_H_ */