src/BRepFill/BRepFill_Section.cxx

   1 // Created on: 1998-07-22
   2 // Created by: Philippe MANGIN
   3 // Copyright (c) 1998-1999 Matra Datavision
   4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
   5 //
   6 // This file is part of Open CASCADE Technology software library.
   7 //
   8 // This library is free software; you can redistribute it and/or modify it under
   9 // the terms of the GNU Lesser General Public License version 2.1 as published
  10 // by the Free Software Foundation, with special exception defined in the file
  11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
  12 // distribution for complete text of the license and disclaimer of any warranty.
  13 //
  14 // Alternatively, this file may be used under the terms of Open CASCADE
  15 // commercial license or contractual agreement.
  16
  17
  18 #include <BRep_Builder.hxx>
  19 #include <BRepFill_Section.hxx>
  20 #include <TopoDS.hxx>
  21 #include <TopoDS_Edge.hxx>
  22 #include <TopoDS_Shape.hxx>
  23 #include <TopoDS_Vertex.hxx>
  24 #include <TopoDS_Wire.hxx>
  25
  26 BRepFill_Section::BRepFill_Section() :islaw(0), contact(0), correction(0)
  27 {
  28 }
  29
  30
  31 BRepFill_Section::BRepFill_Section(const TopoDS_Shape& Profile,
  32                                    const TopoDS_Vertex& V,
  33                                    const Standard_Boolean WithContact,
  34                                    const Standard_Boolean WithCorrection)
  35                                   : vertex(V),
  36                                     islaw(0),contact(WithContact),
  37                                     correction(WithCorrection)
  38 {
  39   if (Profile.ShapeType() == TopAbs_WIRE)
  40     wire = TopoDS::Wire(Profile);
  41   else if (Profile.ShapeType() == TopAbs_VERTEX)
  42     {
  43       TopoDS_Vertex aVertex = TopoDS::Vertex(Profile);
  44       BRep_Builder BB;
  45
  46       TopoDS_Edge DegEdge;
  47       BB.MakeEdge( DegEdge );
  48       BB.Add( DegEdge, aVertex.Oriented(TopAbs_FORWARD) );
  49       BB.Add( DegEdge, aVertex.Oriented(TopAbs_REVERSED) );
  50       BB.Degenerated( DegEdge, Standard_True );
  51
  52       BB.MakeWire( wire );
  53       BB.Add( wire, DegEdge );
  54       wire.Closed( Standard_True );
  55     }
  56   else
  57     Standard_Failure::Raise("BRepFill_Section: bad shape type of section");
  58 }
  59
  60 void BRepFill_Section::Set(const Standard_Boolean IsLaw)
  61 {
  62   islaw = IsLaw;
  63 }