include/opencascade/BRepLib_MakeShape.hxx

0001 // Created on: 1993-07-21
0002 // Created by: Remi LEQUETTE
0003 // Copyright (c) 1993-1999 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 _BRepLib_MakeShape_HeaderFile
0018 #define _BRepLib_MakeShape_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopoDS_Shape.hxx>
0025 #include <TopTools_ListOfShape.hxx>
0026 #include <BRepLib_Command.hxx>
0027 #include <BRepLib_ShapeModification.hxx>
0028 class TopoDS_Face;
0029 class TopoDS_Edge;
0030
0031
0032 //! This    is  the  root     class for     all  shape
0033 //! constructions.  It stores the result.
0034 //!
0035 //! It  provides deferred methods to trace the history
0036 //! of sub-shapes.
0037 class BRepLib_MakeShape  : public BRepLib_Command
0038 {
0039 public:
0040
0041   DEFINE_STANDARD_ALLOC
0042
0043
0044   //! This is  called by  Shape().  It does  nothing but
0045   //! may be redefined.
0046   Standard_EXPORT void Build();
0047
0048   Standard_EXPORT const TopoDS_Shape& Shape();
0049   Standard_EXPORT operator TopoDS_Shape();
0050
0051   //! returns the status of the Face after
0052   //! the shape creation.
0053   Standard_EXPORT virtual BRepLib_ShapeModification FaceStatus (const TopoDS_Face& F) const;
0054
0055   //! Returns True if the Face generates new topology.
0056   Standard_EXPORT virtual Standard_Boolean HasDescendants (const TopoDS_Face& F) const;
0057
0058   //! returns the list of generated Faces.
0059   Standard_EXPORT virtual const TopTools_ListOfShape& DescendantFaces (const TopoDS_Face& F);
0060
0061   //! returns the number of surfaces
0062   //! after the shape creation.
0063   Standard_EXPORT virtual Standard_Integer NbSurfaces() const;
0064
0065   //! Return the faces created for surface I.
0066   Standard_EXPORT virtual const TopTools_ListOfShape& NewFaces (const Standard_Integer I);
0067
0068   //! returns a list of the created faces
0069   //! from the edge <E>.
0070   Standard_EXPORT virtual const TopTools_ListOfShape& FacesFromEdges (const TopoDS_Edge& E);
0071
0072
0073
0074
0075 protected:
0076
0077
0078   Standard_EXPORT BRepLib_MakeShape();
0079
0080
0081   TopoDS_Shape myShape;
0082   TopTools_ListOfShape myGenFaces;
0083   TopTools_ListOfShape myNewFaces;
0084   TopTools_ListOfShape myEdgFaces;
0085
0086
0087 private:
0088
0089
0090
0091
0092
0093 };
0094
0095
0096
0097
0098
0099
0100
0101 #endif // _BRepLib_MakeShape_HeaderFile