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SoClipPlaneElement.h
00001 #ifndef COIN_SOCLIPPLANEELEMENT_H
00002 #define COIN_SOCLIPPLANEELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoAccumulatedElement.h>
00028 #include <Inventor/lists/SbList.h>
00029 #include <Inventor/SbPlane.h>
00030 
00031 class COIN_DLL_API SoClipPlaneElement : public SoAccumulatedElement {
00032   typedef SoAccumulatedElement inherited;
00033 
00034   SO_ELEMENT_HEADER(SoClipPlaneElement);
00035 public:
00036   static void initClass(void);
00037 protected:
00038   virtual ~SoClipPlaneElement();
00039 
00040 public:
00041   virtual void init(SoState * state);
00042   virtual void push(SoState * state);
00043 
00044   static  void add(SoState * const state, SoNode * const node,
00045                    const SbPlane & plane);
00046   static  const SoClipPlaneElement * getInstance(SoState * const state);
00047   int getNum(void) const;
00048   const SbPlane & get(const int index, const SbBool inworldspace = TRUE) const;
00049 
00050 private:
00051   class so_plane_data // internal
00052   {
00053   public:
00054     so_plane_data() {}
00055     so_plane_data(const SbPlane &plane, const SbMatrix &matrix);
00056   public:
00057     SbPlane plane;
00058     SbPlane wcPlane;
00059     // Needed by AIX compiler
00060     SbBool operator==(const so_plane_data &spd) const {
00061       return spd.plane == plane && spd.wcPlane == wcPlane;
00062     }
00063     SbBool operator!=(const so_plane_data &spd) const {
00064       return spd.plane != plane || spd.wcPlane != wcPlane;
00065     }
00066   };
00067 
00068 protected:
00069   SbList <so_plane_data> planes;
00070   int startIndex;
00071 
00072   virtual void addToElt(const SbPlane & plane, const SbMatrix & modelmatrix);
00073 };
00074 
00075 #endif // !COIN_SOCLIPPLANEELEMENT_H

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