include/opencascade/Extrema_POnCurv2d.hxx

0001 // Created on: 1991-02-26
0002 // Created by: Isabelle GRIGNON
0003 // Copyright (c) 1991-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Extrema_POnCurv2d_HeaderFile
0018 #define _Extrema_POnCurv2d_HeaderFile
0019
0020 #include <gp_Pnt2d.hxx>
0021 #include <Standard.hxx>
0022 #include <Standard_DefineAlloc.hxx>
0023
0024 //! Definition of a point on 2D curve.
0025 class Extrema_POnCurv2d
0026 {
0027 public:
0028   DEFINE_STANDARD_ALLOC
0029
0030   //! Creation of an indefinite point on curve.
0031   Extrema_POnCurv2d()
0032       : myU(0.0)
0033   {
0034   }
0035
0036   //! Creation of a point on curve with a parameter
0037   //! value on the curve and a Pnt from gp.
0038   Extrema_POnCurv2d(const double theU, const gp_Pnt2d& theP)
0039       : myU(theU),
0040         myP(theP)
0041   {
0042   }
0043
0044   //! Sets the point and parameter values.
0045   void SetValues(const double theU, const gp_Pnt2d& theP)
0046   {
0047     myU = theU;
0048     myP = theP;
0049   }
0050
0051   //! Returns the point.
0052   const gp_Pnt2d& Value() const { return myP; }
0053
0054   //! Returns the parameter on the curve.
0055   double Parameter() const { return myU; }
0056
0057 private:
0058   double   myU;
0059   gp_Pnt2d myP;
0060 };
0061
0062 #endif // _Extrema_POnCurv2d_HeaderFile