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SoNormalBundle.h

00001 #ifndef COIN_SONORMALBUNDLE_H
00002 #define COIN_SONORMALBUNDLE_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/bundles/SoBundle.h>
00028 #include <Inventor/misc/SoNormalGenerator.h>
00029 #include <Inventor/elements/SoGLNormalElement.h>
00030 
00031 class SoNormalBundleP;
00032 
00033 class COIN_DLL_API SoNormalBundle : public SoBundle {
00034 public:
00035   SoNormalBundle(SoAction * action, SbBool forrendering);
00036   ~SoNormalBundle();
00037 
00038   SbBool shouldGenerate(int numneeded);
00039   void initGenerator(int initnum = 100);
00040   void beginPolygon(void);
00041   void polygonVertex(const SbVec3f & v);
00042   void endPolygon(void);
00043   
00044   void triangle(const SbVec3f & p1,
00045                 const SbVec3f & p2,
00046                 const SbVec3f & p3);
00047   void generate(int startindex = 0,
00048                 SbBool addtostate = TRUE);
00049   const SbVec3f * getGeneratedNormals(void) const;
00050   int getNumGeneratedNormals(void) const;
00051   void set(int32_t num, const SbVec3f * normals);
00052   const SbVec3f & get(int index) const;
00053   void send(int index) const;
00054   
00055   SoNormalGenerator * generator; // SoINTERNAL public
00056   
00057 private:
00058   const SoNormalElement * elem;
00059   const SoGLNormalElement * glelem;
00060   SoNode * node;
00061   SoNormalBundleP * pimpl; // for future use
00062 };
00063 
00064 
00065 #endif // !COIN_SONORMALBUNDLE_H

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