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
0029 //! Definition of an intersection point between two
0030 //! 2D curves.
0031 class IntRes2d_IntersectionPoint
0032 {
0033 public:
0034
0035   DEFINE_STANDARD_ALLOC
0036
0037
0038   //! Empty constructor.
0039   Standard_EXPORT IntRes2d_IntersectionPoint();
0040
0041   //! Creates an IntersectionPoint.
0042   //! if ReversedFlag is False, the parameter Uc1(resp. Uc2)
0043   //! and the Transition Trans1 (resp. Trans2) refer to
0044   //! the first curve (resp. second curve) otherwise Uc1
0045   //! and Trans1 (resp. Uc2 and Trans2) refer to the
0046   //! second curve (resp. the first curve).
0047     IntRes2d_IntersectionPoint(const gp_Pnt2d& P, const Standard_Real Uc1, const Standard_Real Uc2, const IntRes2d_Transition& Trans1, const IntRes2d_Transition& Trans2, const Standard_Boolean ReversedFlag);
0048
0049   //! Sets the values for an existing intersection
0050   //! point. The meaning of the parameters are the same
0051   //! as for the Create.
0052     void SetValues (const gp_Pnt2d& P, const Standard_Real Uc1, const Standard_Real Uc2, const IntRes2d_Transition& Trans1, const IntRes2d_Transition& Trans2, const Standard_Boolean ReversedFlag);
0053
0054   //! Returns the value of the coordinates of the
0055   //! intersection point in the 2D space.
0056     const gp_Pnt2d& Value() const;
0057
0058   //! Returns the parameter on the first curve.
0059     Standard_Real ParamOnFirst() const;
0060
0061   //! Returns the parameter on the second curve.
0062     Standard_Real ParamOnSecond() const;
0063
0064   //! Returns the transition of the 1st curve compared to
0065   //! the 2nd one.
0066     const IntRes2d_Transition& TransitionOfFirst() const;
0067
0068   //! returns the transition of the 2nd curve compared to
0069   //! the 1st one.
0070     const IntRes2d_Transition& TransitionOfSecond() const;
0071
0072
0073
0074
0075 protected:
0076
0077
0078
0079
0080
0081 private:
0082
0083
0084
0085   gp_Pnt2d pt;
0086   Standard_Real p1;
0087   Standard_Real p2;
0088   IntRes2d_Transition trans1;
0089   IntRes2d_Transition trans2;
0090
0091
0092 };
0093
0094
0095 #include <IntRes2d_IntersectionPoint.lxx>
0096
0097
0098
0099
0100
0101 #endif // _IntRes2d_IntersectionPoint_HeaderFile