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SoQuadMesh.h

00001 #ifndef COIN_SOQUADMESH_H
00002 #define COIN_SOQUADMESH_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/SoNonIndexedShape.h>
00029 #include <Inventor/fields/SoSFInt32.h>
00030 
00031 class COIN_DLL_API SoQuadMesh : public SoNonIndexedShape {
00032   typedef SoNonIndexedShape inherited;
00033 
00034   SO_NODE_HEADER(SoQuadMesh);
00035 
00036 public:
00037   static void initClass(void);
00038   SoQuadMesh(void);
00039 
00040   SoSFInt32 verticesPerColumn;
00041   SoSFInt32 verticesPerRow;
00042 
00043   virtual void GLRender(SoGLRenderAction * action);
00044   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00045 
00046   virtual SbBool generateDefaultNormals(SoState * state, SoNormalBundle * nb);
00047 
00048 protected:
00049   virtual ~SoQuadMesh();
00050 
00051   virtual void generatePrimitives(SoAction * action);
00052   virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
00053 
00054   virtual SbBool generateDefaultNormals(SoState *, SoNormalCache *);
00055 
00056 private:
00057   enum Binding {
00058     OVERALL = 0,
00059     PER_ROW,
00060     PER_FACE,
00061     PER_VERTEX,
00062     NONE = OVERALL
00063   };
00064 
00065   Binding findMaterialBinding(SoState * const state) const;
00066   Binding findNormalBinding(SoState * const state) const;
00067 };
00068 
00069 #endif // !COIN_SOQUADMESH_H

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

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