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SoVertexShape.h

00001 #ifndef COIN_SOVERTEXSHAPE_H
00002 #define COIN_SOVERTEXSHAPE_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
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 Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoShape.h>
00029 #include <Inventor/fields/SoSFNode.h>
00030 #ifndef COIN_INTERNAL
00031 // For Open Inventor compatibility.
00032 #include <Inventor/nodes/SoVertexProperty.h>
00033 #endif // !COIN_INTERNAL
00034 
00035 class SoNormalBundle;
00036 class SoNormalCache;
00037 class SbVec3f;
00038 class SoTextureCoordinateElement;
00039 class SoCoordinateElement;
00040 class SoVertexShapeP;
00041 
00042 class COIN_DLL_API SoVertexShape : public SoShape {
00043   typedef SoShape inherited;
00044 
00045   SO_NODE_ABSTRACT_HEADER(SoVertexShape);
00046 
00047 public:
00048   static void initClass(void);
00049 
00050   SoSFNode vertexProperty;
00051 
00052   virtual void notify(SoNotList * nl);
00053   virtual SbBool generateDefaultNormals(SoState * state,
00054                                         SoNormalBundle * bundle);
00055   virtual SbBool generateDefaultNormals(SoState * state,
00056                                         SoNormalCache * cache);
00057   virtual void write(SoWriteAction * action);
00058 
00059 protected:
00060   SoVertexShape(void);
00061   virtual ~SoVertexShape();
00062 
00063   virtual SbBool shouldGLRender(SoGLRenderAction * action);
00064 
00065   void setNormalCache(SoState * const state,
00066                       const int num, const SbVec3f * normals);
00067   SoNormalCache * getNormalCache(void) const;
00068 
00069   SoNormalCache * generateAndReadLockNormalCache(SoState * const state);
00070   void getVertexData(SoState * state,
00071                      const SoCoordinateElement *& coords,
00072                      const SbVec3f *& normals,
00073                      const SbBool neednormals);
00074 
00075   void readLockNormalCache(void);
00076   void readUnlockNormalCache(void);
00077 
00078 private:
00079   void writeLockNormalCache(void);
00080   void writeUnlockNormalCache(void);
00081   SoVertexShapeP * pimpl;
00082 };
00083 
00084 #endif // !COIN_SOVERTEXSHAPE_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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