00001 /**************************************************************************** 00002 00003 This file is part of the GLC-lib library. 00004 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net) 00005 Version 2.0.0 Beta 1, packaged on April 2010. 00006 00007 http://glc-lib.sourceforge.net 00008 00009 GLC-lib is free software; you can redistribute it and/or modify 00010 it under the terms of the GNU General Public License as published by 00011 the Free Software Foundation; either version 2 of the License, or 00012 (at your option) any later version. 00013 00014 GLC-lib is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with GLC-lib; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 *****************************************************************************/ 00024 00025 #ifndef GLC_ABSTRACTMANIPULATOR_H_ 00026 #define GLC_ABSTRACTMANIPULATOR_H_ 00027 00028 #include "../maths/glc_vector3d.h" 00029 #include "../maths/glc_matrix4x4.h" 00030 #include "../maths/glc_plane.h" 00031 00032 #include "../glc_config.h" 00033 00034 class GLC_Viewport; 00035 00038 00041 00042 class GLC_LIB_EXPORT GLC_AbstractManipulator 00043 { 00045 00047 00048 public: 00050 GLC_AbstractManipulator(GLC_Viewport* pViewport); 00051 00053 GLC_AbstractManipulator(const GLC_AbstractManipulator& abstractManipulator); 00054 00056 virtual ~GLC_AbstractManipulator(); 00058 00060 00062 00063 public: 00065 inline bool isInManipulateState() const 00066 {return m_IsInManipulateState;} 00067 00069 const GLC_Point3d& previousPosition() const 00070 {return m_PreviousPosition;} 00071 00073 inline GLC_Viewport* viewportHandle() const 00074 {return m_pViewport;} 00075 00077 virtual GLC_AbstractManipulator* clone() const= 0; 00078 00080 00082 00084 00085 public: 00087 void enterManipulateState(const GLC_Point3d& startPoint); 00088 00090 GLC_Matrix4x4 manipulate(const GLC_Point3d& newPoint); 00091 00093 inline void exitManipulateState() 00094 {m_IsInManipulateState= false;} 00095 00097 inline void setViewport(GLC_Viewport* pViewport) 00098 {m_pViewport= pViewport;} 00099 00101 00103 // Protected services function 00105 protected: 00107 virtual GLC_Matrix4x4 doManipulate(const GLC_Point3d& newPoint, const GLC_Vector3d& projectionDirection)= 0; 00108 00110 // protected Member 00112 protected: 00114 GLC_Viewport* m_pViewport; 00115 00117 GLC_Plane m_SliddingPlane; 00118 00120 GLC_Point3d m_PreviousPosition; 00121 00123 bool m_IsInManipulateState; 00124 00125 }; 00126 00127 #endif /* GLC_ABSTRACTMANIPULATOR_H_ */