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SoLightElement.h
00001 #ifndef COIN_SOLIGHTELEMENT_H
00002 #define COIN_SOLIGHTELEMENT_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/SoNodeList.h>
00029 #include <Inventor/lists/SbList.h>
00030 #include <Inventor/SbMatrix.h>
00031 
00032 class SoLight;
00033 
00034 class COIN_DLL_API SoLightElement : public SoAccumulatedElement {
00035   typedef SoAccumulatedElement inherited;
00036 
00037   SO_ELEMENT_HEADER(SoLightElement);
00038 public:
00039   static void initClass(void);
00040 protected:
00041   virtual ~SoLightElement();
00042 
00043 public:
00044   virtual void init(SoState * state);
00045   virtual void push(SoState * state);
00046   static  void add(SoState * const state, SoLight * const light,
00047                    const SbMatrix & matrix);
00048   static  const SoNodeList & getLights(SoState * const state);
00049   static  const SbMatrix & getMatrix(SoState * const state,
00050                                      const int index);
00051 
00052 protected:
00053   SoNodeList lights;
00054   SbList <SbMatrix> * matrixlist;
00055 
00056 private:
00057 
00058   // dummy class needed to initialize didalloc when constructed.
00059   class so_light_elem_flag {
00060   public:
00061     so_light_elem_flag(void) {
00062       this->state = FALSE;
00063     }
00064     SbBool state;
00065   };
00066   so_light_elem_flag didalloc;
00067 };
00068 
00069 #endif // !COIN_SOLIGHTELEMENT_H

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