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 <BOPTools_ListOfConnexityBlock.hxx>
0023 #include <BOPAlgo_Algo.hxx>
0024 #include <BOPTools_ConnexityBlock.hxx>
0025 #include <NCollection_BaseAllocator.hxx>
0026 #include <TopTools_ListOfShape.hxx>
0027 class TopoDS_Shape;
0028
0029
0030
0031 //! The class provides the splitting of the set of connected faces
0032 //! on separate loops
0033 class BOPAlgo_ShellSplitter  : public BOPAlgo_Algo
0034 {
0035 public:
0036
0037   DEFINE_STANDARD_ALLOC
0038
0039
0040   //! empty constructor
0041   Standard_EXPORT BOPAlgo_ShellSplitter();
0042 Standard_EXPORT virtual ~BOPAlgo_ShellSplitter();
0043
0044   //! constructor
0045   Standard_EXPORT BOPAlgo_ShellSplitter(const Handle(NCollection_BaseAllocator)& theAllocator);
0046
0047   //! adds a face <theS> to process
0048   Standard_EXPORT void AddStartElement (const TopoDS_Shape& theS);
0049
0050   //! return the faces to process
0051   Standard_EXPORT const TopTools_ListOfShape& StartElements() const;
0052
0053   //! performs the algorithm
0054   Standard_EXPORT virtual void Perform(const Message_ProgressRange& theRange = Message_ProgressRange()) Standard_OVERRIDE;
0055
0056   //! returns the loops
0057   Standard_EXPORT const TopTools_ListOfShape& Shells() const;
0058
0059   Standard_EXPORT static void SplitBlock (BOPTools_ConnexityBlock& theCB);
0060
0061
0062 protected:
0063
0064   Standard_EXPORT void MakeShells(const Message_ProgressRange& theRange);
0065
0066
0067   TopTools_ListOfShape myStartShapes;
0068   TopTools_ListOfShape myShells;
0069   BOPTools_ListOfConnexityBlock myLCB;
0070
0071 private:
0072
0073 };
0074
0075 #endif // _BOPAlgo_ShellSplitter_HeaderFile