1 // Created on: 1992-09-23
2 // Created by: Christian CAILLET
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _IFGraph_Compare_HeaderFile
18 #define _IFGraph_Compare_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Interface_Graph.hxx>
25 #include <Interface_GraphContent.hxx>
26 #include <Standard_Boolean.hxx>
27 class Interface_Graph;
28 class Standard_Transient;
29 class Interface_EntityIterator;
32 //! this class evaluates effect of two compared sub-parts :
33 //! cumulation (union), common part (intersection-overlapping)
34 //! part specific to first sub-part or to the second one
35 //! Results are kept in a Graph, several question can be set
36 //! Basic Iteration gives Cumulation (union)
37 class IFGraph_Compare : public Interface_GraphContent
44 //! creates empty Compare, ready to work
45 Standard_EXPORT IFGraph_Compare(const Interface_Graph& agraph);
47 //! adds an entity and its shared ones to the list :
48 //! first True means adds to the first sub-list, else to the 2nd
49 Standard_EXPORT void GetFromEntity (const Handle(Standard_Transient)& ent, const Standard_Boolean first);
51 //! adds a list of entities (as an iterator) as such, that is,
52 //! their shared entities are not considered (use AllShared to
54 //! first True means adds to the first sub-list, else to the 2nd
55 Standard_EXPORT void GetFromIter (const Interface_EntityIterator& iter, const Standard_Boolean first);
57 //! merges the second list into the first one, hence the second
59 Standard_EXPORT void Merge();
61 //! Removes the contents of second list
62 Standard_EXPORT void RemoveSecond();
64 //! Keeps only Common part, sets it as First list and clears
66 Standard_EXPORT void KeepCommon();
68 //! Allows to restart on a new data set
69 Standard_EXPORT void ResetData();
71 //! Recomputes result of comparing to sub-parts
72 Standard_EXPORT virtual void Evaluate() Standard_OVERRIDE;
74 //! returns entities common to the both parts
75 Standard_EXPORT Interface_EntityIterator Common() const;
77 //! returns entities which are exclusively in the first list
78 Standard_EXPORT Interface_EntityIterator FirstOnly() const;
80 //! returns entities which are exclusively in the second part
81 Standard_EXPORT Interface_EntityIterator SecondOnly() const;
96 Interface_Graph thegraph;
107 #endif // _IFGraph_Compare_HeaderFile