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SoIndexedNurbsCurve.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SOINDEXEDNURBSCURVE_H 00021 #define COIN_SOINDEXEDNURBSCURVE_H 00022 00023 #include <Inventor/nodes/SoSubNode.h> 00024 #include <Inventor/nodes/SoShape.h> 00025 #include <Inventor/fields/SoSFInt32.h> 00026 #include <Inventor/fields/SoMFInt32.h> 00027 #include <Inventor/fields/SoMFFloat.h> 00028 00029 00030 class COIN_DLL_API SoIndexedNurbsCurve : public SoShape { 00031 typedef SoShape inherited; 00032 00033 SO_NODE_HEADER(SoIndexedNurbsCurve); 00034 00035 public: 00036 static void initClass(void); 00037 SoIndexedNurbsCurve(void); 00038 00039 SoSFInt32 numControlPoints; 00040 SoMFInt32 coordIndex; 00041 SoMFFloat knotVector; 00042 00043 virtual void GLRender(SoGLRenderAction * action); 00044 virtual void rayPick(SoRayPickAction * action); 00045 virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action); 00046 virtual void getBoundingBox(SoGetBoundingBoxAction * action); 00047 void sendPrimitive(SoAction *, SoPrimitiveVertex *); 00048 00049 protected: 00050 virtual ~SoIndexedNurbsCurve(); 00051 00052 virtual void generatePrimitives(SoAction * action); 00053 virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center); 00054 virtual SoDetail * createLineSegmentDetail(SoRayPickAction * action, 00055 const SoPrimitiveVertex * v1, 00056 const SoPrimitiveVertex * v2, 00057 SoPickedPoint * pp); 00058 private: 00059 void * nurbsrenderer; 00060 void doNurbs(SoAction * action, const SbBool glrender, const SbBool drawaspoints); 00061 00062 // These have all been obsoleted, but are kept to make sure we don't 00063 // change anything with the ABI of the stable Coin-1 library. They 00064 // has been removed for Coin-2. 00065 static void tessBegin(int type, void * data); 00066 static void tessTexCoord(float * texcoord, void * data); 00067 static void tessNormal(float * normal, void * data); 00068 static void tessVertex(float * vertex, void * data); 00069 static void tessEnd(void * data); 00070 00071 friend class SoIndexedNurbsCurveP; 00072 }; 00073 00074 #endif // !COIN_SOINDEXEDNURBSCURVE_H

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