// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _TopTrans_CurveTransition_HeaderFile
#define _TopTrans_CurveTransition_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif

#ifndef _gp_Dir_HeaderFile
#include <gp_Dir.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _TopAbs_Orientation_HeaderFile
#include <TopAbs_Orientation.hxx>
#endif
#ifndef _TopAbs_State_HeaderFile
#include <TopAbs_State.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
class gp_Dir;


//! This algorithm  is used to  compute the transition <br>
//!          of a Curve intersecting a curvilinear boundary. <br>
//! <br>
//!          The geometric  elements  are described locally  at <br>
//!          the   intersection   point  by    a   second order <br>
//!          development. <br>
//! <br>
//!          The curve is described  by the intersection point, <br>
//!          the tangent vector and the curvature. <br>
//! <br>
//!          The  boundary  is described  by   a set  of  curve <br>
//!          elements, a curve element is either : <br>
//! <br>
//!          - A curve. <br>
//! <br>
//!          - A curve and an orientation  called a half-curve, <br>
//!          the boundary  of the curve is  before or after the <br>
//!          intersection point depending on the orientation. <br>
//! <br>
class TopTrans_CurveTransition  {
public:

  void* operator new(size_t,void* anAddress) 
  {
    return anAddress;
  }
  void* operator new(size_t size) 
  {
    return Standard::Allocate(size); 
  }
  void  operator delete(void *anAddress) 
  {
    if (anAddress) Standard::Free((Standard_Address&)anAddress); 
  }

  //! Create an empty  Curve Transition. <br>
  Standard_EXPORT   TopTrans_CurveTransition();
  //! Initialize a Transition with the local description <br>
//!          of a Curve. <br>
  Standard_EXPORT     void Reset(const gp_Dir& Tgt,const gp_Dir& Norm,const Standard_Real Curv) ;
  //! Initialize a Transition with the local description <br>
//!          of a straigth line. <br>
  Standard_EXPORT     void Reset(const gp_Dir& Tgt) ;
  //! Add  a curve element to the  boundary.    If Or is <br>
//!          REVERSED  the curve  is   before the intersection, <br>
//!          else if  Or  is FORWARD  the   curv  is after  the <br>
//!          intersection   and    if   Or  is   INTERNAL   the <br>
//!          intersection is in the middle of the curv. <br>
  Standard_EXPORT     void Compare(const Standard_Real Tole,const gp_Dir& Tang,const gp_Dir& Norm,const Standard_Real Curv,const TopAbs_Orientation S,const TopAbs_Orientation Or) ;
  //! returns   the  state   of  the   curve  before the <br>
//!          intersection, this is the position relative to the <br>
//!          boundary of a point very close to the intersection <br>
//!          on the negative side of the tangent. <br>
  Standard_EXPORT     TopAbs_State StateBefore() const;
  //! returns  the    state of  the  curve   after   the <br>
//!          intersection, this is the position relative to the <br>
//!          boundary of a point very close to the intersection <br>
//!          on the positive side of the tangent. <br>
  Standard_EXPORT     TopAbs_State StateAfter() const;





protected:





private:

  //! Compare two curvature and return true  if N1,C1 is <br>
//!          before N2,C2 in the edge orientation <br>
  Standard_EXPORT     Standard_Boolean IsBefore(const Standard_Real Tole,const Standard_Real Angl,const gp_Dir& Nor1,const Standard_Real Cur1,const gp_Dir& Nor2,const Standard_Real Cur2) const;
  //! Compare two angles at tolerance Tole <br>
  Standard_EXPORT     Standard_Integer Compare(const Standard_Real Ang1,const Standard_Real Ang2,const Standard_Real Tole) const;


gp_Dir myTgt;
gp_Dir myNorm;
Standard_Real myCurv;
Standard_Boolean Init;
gp_Dir TgtFirst;
gp_Dir NormFirst;
Standard_Real CurvFirst;
TopAbs_Orientation TranFirst;
gp_Dir TgtLast;
gp_Dir NormLast;
Standard_Real CurvLast;
TopAbs_Orientation TranLast;


};





// other Inline functions and methods (like "C++: function call" methods)


#endif