include/opencascade/BOPAlgo_ShellSplitter.hxx

0001 // Created by: Peter KURNEV
0002 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0003 //
0004 // This file is part of Open CASCADE Technology software library.
0005 //
0006 // This library is free software; you can redistribute it and/or modify it under
0007 // the terms of the GNU Lesser General Public License version 2.1 as published
0008 // by the Free Software Foundation, with special exception defined in the file
0009 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0010 // distribution for complete text of the license and disclaimer of any warranty.
0011 //
0012 // Alternatively, this file may be used under the terms of Open CASCADE
0013 // commercial license or contractual agreement.
0014
0015 #ifndef _BOPAlgo_ShellSplitter_HeaderFile
0016 #define _BOPAlgo_ShellSplitter_HeaderFile
0017
0018 #include <Standard.hxx>
0019 #include <Standard_DefineAlloc.hxx>
0020 #include <Standard_Handle.hxx>
0021
0022 #include <NCollection_List.hxx>
0023 #include <BOPTools_ConnexityBlock.hxx>
0024 #include <BOPAlgo_Algo.hxx>
0025 #include <NCollection_BaseAllocator.hxx>
0026 #include <TopoDS_Shape.hxx>
0027 class TopoDS_Shape;
0028
0029 //! The class provides the splitting of the set of connected faces
0030 //! on separate loops
0031 class BOPAlgo_ShellSplitter : public BOPAlgo_Algo
0032 {
0033 public:
0034   DEFINE_STANDARD_ALLOC
0035
0036   //! empty constructor
0037   Standard_EXPORT BOPAlgo_ShellSplitter();
0038   Standard_EXPORT ~BOPAlgo_ShellSplitter() override;
0039
0040   //! constructor
0041   Standard_EXPORT BOPAlgo_ShellSplitter(const occ::handle<NCollection_BaseAllocator>& theAllocator);
0042
0043   //! adds a face <theS> to process
0044   Standard_EXPORT void AddStartElement(const TopoDS_Shape& theS);
0045
0046   //! return the faces to process
0047   Standard_EXPORT const NCollection_List<TopoDS_Shape>& StartElements() const;
0048
0049   //! performs the algorithm
0050   Standard_EXPORT void Perform(
0051     const Message_ProgressRange& theRange = Message_ProgressRange()) override;
0052
0053   //! returns the loops
0054   Standard_EXPORT const NCollection_List<TopoDS_Shape>& Shells() const;
0055
0056   Standard_EXPORT static void SplitBlock(BOPTools_ConnexityBlock& theCB);
0057
0058 protected:
0059   Standard_EXPORT void MakeShells(const Message_ProgressRange& theRange);
0060
0061   NCollection_List<TopoDS_Shape>            myStartShapes;
0062   NCollection_List<TopoDS_Shape>            myShells;
0063   NCollection_List<BOPTools_ConnexityBlock> myLCB;
0064 };
0065
0066 #endif // _BOPAlgo_ShellSplitter_HeaderFile