include/opencascade/BRepProj_Projection.hxx

0001 // Created on: 1998-11-13
0002 // Created by: Jean-Michel BOULCOURT
0003 // Copyright (c) 1998-1999 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 _BRepProj_Projection_HeaderFile
0018 #define _BRepProj_Projection_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TopoDS_Shape.hxx>
0025 #include <TopoDS_Compound.hxx>
0026 #include <NCollection_Sequence.hxx>
0027 #include <NCollection_HSequence.hxx>
0028 #include <Standard_Integer.hxx>
0029 #include <TopoDS_Wire.hxx>
0030 class gp_Dir;
0031 class gp_Pnt;
0032
0033 //! The Projection class provides conical and
0034 //! cylindrical projections of Edge or Wire on
0035 //! a Shape from TopoDS. The result will be a Edge
0036 //! or Wire from TopoDS.
0037 class BRepProj_Projection
0038 {
0039 public:
0040   DEFINE_STANDARD_ALLOC
0041
0042   //! Makes a Cylindrical projection of Wire om Shape
0043   Standard_EXPORT BRepProj_Projection(const TopoDS_Shape& Wire,
0044                                       const TopoDS_Shape& Shape,
0045                                       const gp_Dir&       D);
0046
0047   //! Makes a Conical projection of Wire om Shape
0048   Standard_EXPORT BRepProj_Projection(const TopoDS_Shape& Wire,
0049                                       const TopoDS_Shape& Shape,
0050                                       const gp_Pnt&       P);
0051
0052   //! returns False if the section failed
0053   bool IsDone() const;
0054
0055   //! Resets the iterator by resulting wires.
0056   void Init();
0057
0058   //! Returns True if there is a current result wire
0059   bool More() const;
0060
0061   //! Move to the next result wire.
0062   void Next();
0063
0064   //! Returns the current result wire.
0065   TopoDS_Wire Current() const;
0066
0067   //! Returns the complete result as compound of wires.
0068   TopoDS_Compound Shape() const;
0069
0070 private:
0071   //! Performs section of theShape by theTool
0072   //! and stores result in the fields.
0073   Standard_EXPORT void BuildSection(const TopoDS_Shape& Shape, const TopoDS_Shape& Tool);
0074
0075   bool                                             myIsDone;
0076   TopoDS_Shape                                     myLsh;
0077   TopoDS_Compound                                  myShape;
0078   occ::handle<NCollection_HSequence<TopoDS_Shape>> mySection;
0079   int                                              myItr;
0080 };
0081
0082 #include <BRepProj_Projection.lxx>
0083
0084 #endif // _BRepProj_Projection_HeaderFile