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SoNurbsCurve.h

00001 #ifndef COIN_SONURBSCURVE_H
00002 #define COIN_SONURBSCURVE_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/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoShape.h>
00029 #include <Inventor/fields/SoSFInt32.h>
00030 #include <Inventor/fields/SoMFFloat.h>
00031 
00032 template<class Master> class SoNurbsP;
00033 
00034 class COIN_DLL_API SoNurbsCurve : public SoShape {
00035   typedef SoShape inherited;
00036 
00037   SO_NODE_HEADER(SoNurbsCurve);
00038 
00039 public:
00040   static void initClass(void);
00041   SoNurbsCurve(void);
00042 
00043   SoSFInt32 numControlPoints;
00044   SoMFFloat knotVector;
00045 
00046   virtual void GLRender(SoGLRenderAction * action);
00047   virtual void rayPick(SoRayPickAction * action);
00048   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
00049   virtual void getBoundingBox(SoGetBoundingBoxAction * action);
00050   void sendPrimitive(SoAction *,  SoPrimitiveVertex *);
00051 
00052 protected:
00053   virtual ~SoNurbsCurve();
00054 
00055   virtual void generatePrimitives(SoAction * action);
00056   virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
00057   virtual SoDetail * createLineSegmentDetail(SoRayPickAction * action,
00058                                              const SoPrimitiveVertex * v1,
00059                                              const SoPrimitiveVertex * v2,
00060                                              SoPickedPoint * pp);
00061 private:
00062   class SoNurbsCurveP * pimpl;
00063   friend class SoNurbsCurveP;
00064   friend class SoNurbsP<SoNurbsCurve>;
00065 };
00066 
00067 #endif // !COIN_SONURBSCURVE_H

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