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SoVRMLIndexedFaceSet.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
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00009  *  See the file LICENSE.GPL at the root directory of this source
00010  *  distribution for additional information about the GNU GPL.
00011  *
00012  *  For using Coin with software that can not be combined with the GNU
00013  *  GPL, and for taking advantage of the additional benefits of our
00014  *  support services, please contact Kongsberg Oil & Gas Technologies
00015  *  about acquiring a Coin Professional Edition License.
00016  *
00017  *  See http://www.coin3d.org/ for more information.
00018  *
00019  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
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00021  *
00022 \**************************************************************************/
00023 
00024 #ifndef COIN_SOVRMLINDEXEDFACESET_H
00025 #define COIN_SOVRMLINDEXEDFACESET_H
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/VRMLnodes/SoVRMLIndexedShape.h>
00029 #include <Inventor/fields/SoSFBool.h>
00030 #include <Inventor/fields/SoSFFloat.h>
00031 
00032 #ifndef SO_END_FACE_INDEX // also defined in SoIndexedFaceSet.h
00033 #define SO_END_FACE_INDEX (-1)
00034 #endif // !SO_END_FACE_INDEX
00035 
00036 class SoVRMLIndexedFaceSetP;
00037 
00038 class COIN_DLL_API SoVRMLIndexedFaceSet : public SoVRMLIndexedShape
00039 {
00040   typedef SoVRMLIndexedShape inherited;
00041   SO_NODE_HEADER(SoVRMLIndexedFaceSet);
00042 
00043 public:
00044   static void initClass(void);
00045   SoVRMLIndexedFaceSet(void);
00046 
00047   SoSFBool ccw;
00048   SoSFBool solid;
00049   SoSFBool convex;
00050   SoSFFloat creaseAngle;
00051 
00052   virtual void GLRender( SoGLRenderAction * action );
00053   virtual void getPrimitiveCount( SoGetPrimitiveCountAction * action );
00054 
00055   virtual SbBool generateDefaultNormals(SoState * s, SoNormalBundle * nb );
00056   virtual SbBool generateDefaultNormals(SoState * state, SoNormalCache * nc);
00057 
00058 protected:
00059   virtual ~SoVRMLIndexedFaceSet();
00060 
00061   virtual void generatePrimitives( SoAction * action );
00062 
00063 
00064 private:
00065 
00066   enum Binding {
00067     OVERALL,
00068     NONE = OVERALL,
00069     PER_FACE,
00070     PER_FACE_INDEXED,
00071     PER_VERTEX,
00072     PER_VERTEX_INDEXED
00073   };
00074 
00075   Binding findMaterialBinding(SoState * state) const;
00076   Binding findNormalBinding(SoState * state) const;
00077 
00078   virtual void notify(SoNotList * list);
00079   
00080   SbBool useConvexCache(SoAction * action, 
00081                         const SbVec3f * normals, 
00082                         const int32_t * nindices, 
00083                         const SbBool normalsfromcache);
00084   
00085   SoVRMLIndexedFaceSetP * pimpl;
00086 };
00087 
00088 #endif // ! COIN_SOVRMLINDEXEDFACESET_H

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