include/opencascade/LocOpe.hxx

0001 // Created on: 1995-04-25
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1995-1999 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 _LocOpe_HeaderFile
0018 #define _LocOpe_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 #include <gp_Pnt.hxx>
0026 #include <NCollection_Sequence.hxx>
0027 class TopoDS_Wire;
0028 class TopoDS_Face;
0029 class TopoDS_Edge;
0030 class TopoDS_Shape;
0031
0032 //! Provides tools to implement local topological
0033 //! operations on a shape.
0034 class LocOpe
0035 {
0036 public:
0037   DEFINE_STANDARD_ALLOC
0038
0039   //! Returns true when the wire <W> is closed
0040   //! on the face <OnF>.
0041   Standard_EXPORT static bool Closed(const TopoDS_Wire& W, const TopoDS_Face& OnF);
0042
0043   //! Returns true when the edge <E> is closed
0044   //! on the face <OnF>.
0045   Standard_EXPORT static bool Closed(const TopoDS_Edge& E, const TopoDS_Face& OnF);
0046
0047   //! Returns true when the faces are tangent
0048   Standard_EXPORT static bool TgtFaces(const TopoDS_Edge& E,
0049                                        const TopoDS_Face& F1,
0050                                        const TopoDS_Face& F2);
0051
0052   Standard_EXPORT static void SampleEdges(const TopoDS_Shape& S, NCollection_Sequence<gp_Pnt>& Pt);
0053 };
0054
0055 #endif // _LocOpe_HeaderFile