include/opencascade/BRepAlgo_FaceRestrictor.hxx

0001 // Created on: 1995-09-01
0002 // Created by: Yves FRICAUD
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 _BRepAlgo_FaceRestrictor_HeaderFile
0018 #define _BRepAlgo_FaceRestrictor_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <TopoDS_Face.hxx>
0024 #include <TopTools_DataMapOfShapeListOfShape.hxx>
0025 class TopoDS_Wire;
0026
0027
0028 //! Builds all  the faces  limited  with a set of non
0029 //! jointing   and     planars     wires.    if
0030 //! <ControlOrientation> is false  The Wires must have
0031 //! correct orientations.  Sinon orientation des wires
0032 //! de telle sorte que les faces ne soient pas infinies
0033 //! et qu'elles soient disjointes.
0034 class BRepAlgo_FaceRestrictor
0035 {
0036 public:
0037
0038   DEFINE_STANDARD_ALLOC
0039
0040
0041   Standard_EXPORT BRepAlgo_FaceRestrictor();
0042
0043   //! the surface of <F> will be the surface of each new
0044   //! faces built.
0045   //! <Proj> is used to update pcurves on edges if necessary.
0046   //! See Add().
0047   Standard_EXPORT void Init (const TopoDS_Face& F, const Standard_Boolean Proj = Standard_False, const Standard_Boolean ControlOrientation = Standard_False);
0048
0049   //! Add the wire <W> to the set of wires.
0050   //!
0051   //! Warning:
0052   //! The Wires must be closed.
0053   //!
0054   //! The edges of <W> can be modified if they  have not pcurves
0055   //! on the surface <S>  of <F>. In this  case
0056   //! if <Proj> is false the first pcurve of  the edge
0057   //! is positionned on <S>.
0058   //! if <Proj> is True ,the Pcurve On <S> is the
0059   //! projection of the  curve 3d on <F>.
0060   Standard_EXPORT void Add (TopoDS_Wire& W);
0061
0062   //! Removes all the Wires
0063   Standard_EXPORT void Clear();
0064
0065   //! Evaluate all the faces limited by the set of Wires.
0066   Standard_EXPORT void Perform();
0067
0068   Standard_EXPORT Standard_Boolean IsDone() const;
0069
0070   Standard_EXPORT Standard_Boolean More() const;
0071
0072   Standard_EXPORT void Next();
0073
0074   Standard_EXPORT TopoDS_Face Current() const;
0075
0076
0077
0078
0079 protected:
0080
0081
0082
0083
0084
0085 private:
0086
0087
0088   //! Evaluate all the faces limited by the set of Wires.
0089   Standard_EXPORT void PerformWithCorrection();
0090
0091
0092   Standard_Boolean myDone;
0093   Standard_Boolean modeProj;
0094   TopoDS_Face myFace;
0095   TopTools_ListOfShape wires;
0096   TopTools_ListOfShape faces;
0097   Standard_Boolean myCorrection;
0098   TopTools_DataMapOfShapeListOfShape keyIsIn;
0099   TopTools_DataMapOfShapeListOfShape keyContains;
0100
0101
0102 };
0103
0104
0105
0106
0107
0108
0109
0110 #endif // _BRepAlgo_FaceRestrictor_HeaderFile