include/opencascade/Intf_InterferencePolygon2d.hxx

0001 // Created on: 1992-09-28
0002 // Created by: Didier PIFFAULT
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 _Intf_InterferencePolygon2d_HeaderFile
0018 #define _Intf_InterferencePolygon2d_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 #include <Intf_Interference.hxx>
0026 class Intf_Polygon2d;
0027 class gp_Pnt2d;
0028
0029
0030 //! Computes the  interference between two  polygons or
0031 //! the    self intersection of    a  polygon  in  two
0032 //! dimensions.
0033 class Intf_InterferencePolygon2d  : public Intf_Interference
0034 {
0035 public:
0036
0037   DEFINE_STANDARD_ALLOC
0038
0039
0040   //! Constructs an empty interference of Polygon.
0041   Standard_EXPORT Intf_InterferencePolygon2d();
0042
0043   //! Constructs and computes an interference between two Polygons.
0044   Standard_EXPORT Intf_InterferencePolygon2d(const Intf_Polygon2d& Obje1, const Intf_Polygon2d& Obje2);
0045
0046   //! Constructs and computes the auto interference of a Polygon.
0047   Standard_EXPORT Intf_InterferencePolygon2d(const Intf_Polygon2d& Obje);
0048
0049   //! Computes an interference between two Polygons.
0050   Standard_EXPORT void Perform (const Intf_Polygon2d& Obje1, const Intf_Polygon2d& Obje2);
0051
0052   //! Computes the self interference of a Polygon.
0053   Standard_EXPORT void Perform (const Intf_Polygon2d& Obje);
0054
0055   //! Gives the  geometrical 2d point   of the  intersection
0056   //! point at address <Index> in the interference.
0057   Standard_EXPORT gp_Pnt2d Pnt2dValue (const Standard_Integer Index) const;
0058
0059
0060
0061
0062 protected:
0063
0064
0065
0066
0067
0068 private:
0069
0070
0071   Standard_EXPORT void Interference (const Intf_Polygon2d& Obje1, const Intf_Polygon2d& Obje2);
0072
0073   Standard_EXPORT void Interference (const Intf_Polygon2d& Obje);
0074
0075   Standard_EXPORT void Clean();
0076
0077   //! Computes the intersection between two segments
0078   //! <BegO><EndO> et <BegT><EndT>.
0079   Standard_EXPORT void Intersect (const Standard_Integer iO, const Standard_Integer iT, const gp_Pnt2d& BegO, const gp_Pnt2d& EndO, const gp_Pnt2d& BegT, const gp_Pnt2d& EndT);
0080
0081
0082   Standard_Boolean oClos;
0083   Standard_Boolean tClos;
0084   Standard_Integer nbso;
0085
0086
0087 };
0088
0089
0090
0091
0092
0093
0094
0095 #endif // _Intf_InterferencePolygon2d_HeaderFile