SoNurbsProfile.h

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**=======================================================================*/
/*=======================================================================
** Author      : Thad Beier (MMM yyyy)
** Modified by : Dave Immel (MMM yyyy)
** Modified by : Paul Strauss (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_NURBS_PROFILE_
#define  _SO_NURBS_PROFILE_
 
#include <Inventor/fields/SoMFFloat.h>
#include <Inventor/fields/SoSFNode.h>
#include <Inventor/nodes/SoProfile.h>

//
//  Class: SoNurbsProfile
//
//

class  SoNurbsProfile : public SoProfile{
 
  SO_NODE_HEADER(SoNurbsProfile);
 
 public:
  SoMFFloat           knotVector;

  SoSFNode           boundary;

  SoNurbsProfile();
 
 private:
  // Returns a profile as a trim curve. floatsPerVec will be either
  // 2 or 3 depending on whether the curve is non-rational or
  // rational.
  virtual void        getTrimCurve(SoState *state, int32_t &numPoints,
                                   float *&points, int &floatsPerVec,
                                   int32_t &numKnots, float *&knotVector);
 
  // Returns vertices approximating the profile
  virtual void        getVertices(SoState *state, int32_t &nVertices,
                                  SbVec2f *&vertices);
 
 private:
  static void         initClass();
  static void         exitClass();
 
  int getNurbsBoundaryID() { return m_boundaryId; }
  void setNurbsBoundaryID(int id) { m_boundaryId = id; }
 
 private:
  virtual ~SoNurbsProfile();
 
 private:
  int m_boundaryId;
};
 
#endif /* _SO_NURBS_PROFILE_ */