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# SoLineSet.h

    00001 #ifndef COIN_SOLINESET_H
    00002 #define COIN_SOLINESET_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 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 <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/nodes/SoSubNode.h>
    00028 #include <Inventor/nodes/SoNonIndexedShape.h>
    00029 #include <Inventor/fields/SoMFInt32.h>
    00030
    00031 class COIN_DLL_API SoLineSet : public SoNonIndexedShape {
    00032   typedef SoNonIndexedShape inherited;
    00033
    00034   SO_NODE_HEADER(SoLineSet);
    00035
    00036 public:
    00037   static void initClass(void);
    00038   SoLineSet(void);
    00039
    00040 public:
    00041   SoMFInt32 numVertices;
    00042
    00043   virtual void GLRender(SoGLRenderAction * action);
    00044   virtual void getBoundingBox(SoGetBoundingBoxAction * action);
    00045   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
    00046
    00047 protected:
    00048   virtual ~SoLineSet();
    00049
    00050   virtual void generatePrimitives(SoAction * action);
    00051   virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
    00052
    00053 private:
    00054   virtual SbBool generateDefaultNormals(SoState *, SoNormalCache * nc);
    00055   virtual SbBool generateDefaultNormals(SoState * state,
    00056                                         SoNormalBundle * bundle);
    00057
    00058   enum Binding {
    00059     OVERALL = 0,
    00060     PER_LINE,
    00061     PER_SEGMENT,
    00062     PER_VERTEX
    00063   };
    00064
    00065   Binding findNormalBinding(SoState * const state) const;
    00066   Binding findMaterialBinding(SoState * const state) const;
    00067 };
    00068
    00069 #endif // !COIN_SOLINESET_H