PoCircleArcThreePts.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PO_CIRCLE_ARC_THREE_PTS_
#define  _PO_CIRCLE_ARC_THREE_PTS_
 
#include <MeshViz/graph/PoCircleArc.h>
#include <Inventor/fields/SoSFVec2f.h>
#include <Inventor/fields/SoSFFloat.h>

class  PoCircleArcThreePts : public PoCircleArc {
 
  SO_KIT_HEADER(PoCircleArcThreePts) ;
 
 
 public:
 
  /* Fields */

  SoSFVec2f startPoint ;

  SoSFVec2f middlePoint ;

  SoSFVec2f endPoint ;
 
 
 
  /* Methods */

  PoCircleArcThreePts()
    { init(SbVec2f(1.0, 0.0), SbVec2f(-1.0, 0.0), SbVec2f(1.0, 0.0)) ; }

  PoCircleArcThreePts(const SbVec2f &_startPoint, const SbVec2f &_middlePoint, 
                      const SbVec2f &_endPoint)
    { init(_startPoint, _middlePoint, _endPoint) ; }

  virtual void rebuild() ;
 
  /*----------------------------------------------------------------------------*/
 private:
  static void initClass() ;
    static void exitClass() ;
 
 private:
  // Methods
  // Destructor
  virtual ~PoCircleArcThreePts() ;
  virtual SbBool setUpConnections(SbBool onOff, SbBool doItAlways = FALSE) ;
  virtual void   setDefaultOnNonWritingFields() ;
 
 private:
  // Init method
  void init(const SbVec2f &_startPoint, const SbVec2f &_middlePoint, 
            const SbVec2f &_endPoint) ;
 
 
  
  // Sensors
  FieldSensorList fieldSensorList ;
  
  // List of fields defined in this class
  SoFieldList     fieldList ;
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /* _PO_CIRCLE_ARC_THREE_PTS_  */