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 // Created on: 1992-06-04
 // Created by: Jacques GOUSSARD
 // Copyright (c) 1992-1999 Matra Datavision
 // Copyright (c) 1999-2014 OPEN CASCADE SAS
 //
 // This file is part of Open CASCADE Technology software library.
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
 #ifndef _Geom2dInt_TheProjPCurOfGInter_HeaderFile
 #define _Geom2dInt_TheProjPCurOfGInter_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 class Adaptor2d_Curve2d;
 class Geom2dInt_Geom2dCurveTool;
 class Geom2dInt_TheCurveLocatorOfTheProjPCurOfGInter;
 class Geom2dInt_TheLocateExtPCOfTheProjPCurOfGInter;
 class Geom2dInt_PCLocFOfTheLocateExtPCOfTheProjPCurOfGInter;
 class gp_Pnt2d;
 
 class Geom2dInt_TheProjPCurOfGInter
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Returns the parameter V of the point on the
   //! parametric curve corresponding to the Point Pnt.
   //! The Correspondence between Pnt and the point P(V)
   //! on the parametric curve must be coherent with the
   //! way of determination of the signed distance
   //! between a point and the implicit curve.
   //! Tol is the tolerance on the distance between a point
   //! and the parametrised curve.
   //! In that case, no bounds are given. The research of
   //! the right parameter has to be made on the natural
   //! parametric domain of the curve.
   Standard_EXPORT static Standard_Real FindParameter(const Adaptor2d_Curve2d& C,
                                                      const gp_Pnt2d&          Pnt,
                                                      const Standard_Real      Tol);
 
   //! Returns the parameter V of the point on the
   //! parametric curve corresponding to the Point Pnt.
   //! The Correspondence between Pnt and the point P(V)
   //! on the parametric curve must be coherent with the
   //! way of determination of the signed distance
   //! between a point and the implicit curve.
   //! Tol is the tolerance on the distance between a point
   //! and the parametrised curve.
   //! LowParameter and HighParameter give the
   //! boundaries of the interval in which the parameter
   //! certainly lies. These parameters are given to
   //! implement a more efficient algorithm. So, it is not
   //! necessary to check that the returned value verifies
   //! LowParameter <= Value <= HighParameter.
   Standard_EXPORT static Standard_Real FindParameter(const Adaptor2d_Curve2d& C,
                                                      const gp_Pnt2d&          Pnt,
                                                      const Standard_Real      LowParameter,
                                                      const Standard_Real      HighParameter,
                                                      const Standard_Real      Tol);
 
 protected:
 private:
 };
 
 #endif // _Geom2dInt_TheProjPCurOfGInter_HeaderFile

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