include/opencascade/IntRes2d_IntersectionPoint.hxx

0001 // Created on: 1992-04-03
0002 // Created by: Laurent BUCHARD
0003 // Copyright (c) 1992-1999 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 _IntRes2d_IntersectionPoint_HeaderFile
0018 #define _IntRes2d_IntersectionPoint_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Pnt2d.hxx>
0025 #include <IntRes2d_Transition.hxx>
0026 #include <Standard_Boolean.hxx>
0027
0028 //! Definition of an intersection point between two
0029 //! 2D curves.
0030 class IntRes2d_IntersectionPoint
0031 {
0032 public:
0033   DEFINE_STANDARD_ALLOC
0034
0035   //! Empty constructor.
0036   Standard_EXPORT IntRes2d_IntersectionPoint();
0037
0038   //! Creates an IntersectionPoint.
0039   //! if ReversedFlag is False, the parameter Uc1(resp. Uc2)
0040   //! and the Transition Trans1 (resp. Trans2) refer to
0041   //! the first curve (resp. second curve) otherwise Uc1
0042   //! and Trans1 (resp. Uc2 and Trans2) refer to the
0043   //! second curve (resp. the first curve).
0044   IntRes2d_IntersectionPoint(const gp_Pnt2d&            P,
0045                              const double               Uc1,
0046                              const double               Uc2,
0047                              const IntRes2d_Transition& Trans1,
0048                              const IntRes2d_Transition& Trans2,
0049                              const bool                 ReversedFlag);
0050
0051   //! Sets the values for an existing intersection
0052   //! point. The meaning of the parameters are the same
0053   //! as for the Create.
0054   void SetValues(const gp_Pnt2d&            P,
0055                  const double               Uc1,
0056                  const double               Uc2,
0057                  const IntRes2d_Transition& Trans1,
0058                  const IntRes2d_Transition& Trans2,
0059                  const bool                 ReversedFlag);
0060
0061   //! Returns the value of the coordinates of the
0062   //! intersection point in the 2D space.
0063   const gp_Pnt2d& Value() const;
0064
0065   //! Returns the parameter on the first curve.
0066   double ParamOnFirst() const;
0067
0068   //! Returns the parameter on the second curve.
0069   double ParamOnSecond() const;
0070
0071   //! Returns the transition of the 1st curve compared to
0072   //! the 2nd one.
0073   const IntRes2d_Transition& TransitionOfFirst() const;
0074
0075   //! returns the transition of the 2nd curve compared to
0076   //! the 1st one.
0077   const IntRes2d_Transition& TransitionOfSecond() const;
0078
0079 private:
0080   gp_Pnt2d            pt;
0081   double              p1;
0082   double              p2;
0083   IntRes2d_Transition trans1;
0084   IntRes2d_Transition trans2;
0085 };
0086
0087 #include <IntRes2d_IntersectionPoint.lxx>
0088
0089 #endif // _IntRes2d_IntersectionPoint_HeaderFile