include/opencascade/IFGraph_AllConnected.hxx

0001 // Created on: 1992-10-02
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 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 _IFGraph_AllConnected_HeaderFile
0018 #define _IFGraph_AllConnected_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Interface_Graph.hxx>
0025 #include <Interface_GraphContent.hxx>
0026 class Standard_Transient;
0027
0028 //! this class gives content of the CONNECTED COMPONENT(S)
0029 //! which include specific Entity(ies)
0030 class IFGraph_AllConnected : public Interface_GraphContent
0031 {
0032 public:
0033   DEFINE_STANDARD_ALLOC
0034
0035   //! creates an AllConnected from a graph, empty ready to be filled
0036   Standard_EXPORT IFGraph_AllConnected(const Interface_Graph& agraph);
0037
0038   //! creates an AllConnected which memorizes Entities Connected to
0039   //! a given one, at any level : that is, itself, all Entities
0040   //! Shared by it and Sharing it, and so on.
0041   //! In other terms, this is the content of the CONNECTED COMPONENT
0042   //! which include a specific Entity
0043   Standard_EXPORT IFGraph_AllConnected(const Interface_Graph&            agraph,
0044                                        const Handle(Standard_Transient)& ent);
0045
0046   //! adds an entity and its Connected ones to the list (allows to
0047   //! cumulate all Entities Connected by some ones)
0048   //! Note that if "ent" is in the already computed list,, no entity
0049   //! will be added, but if "ent" is not already in the list, a new
0050   //! Connected Component will be cumulated
0051   Standard_EXPORT void GetFromEntity(const Handle(Standard_Transient)& ent);
0052
0053   //! Allows to restart on a new data set
0054   Standard_EXPORT void ResetData();
0055
0056   //! does the specific evaluation (Connected entities atall levels)
0057   Standard_EXPORT virtual void Evaluate() Standard_OVERRIDE;
0058
0059 protected:
0060 private:
0061   Interface_Graph thegraph;
0062 };
0063
0064 #endif // _IFGraph_AllConnected_HeaderFile