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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <IFSelect_SelectRootComps.ixx>
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#include <IFGraph_StrongComponants.hxx>
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#include <IFGraph_Cumulate.hxx>
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IFSelect_SelectRootComps::IFSelect_SelectRootComps () { }
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// Refait pour travailler en une fois
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// ATTENTION, il ne faut pas s interesser aux ENTITES mais aux COMPOSANTS
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// c-a-d gerer les CYCLES s il y en a
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Interface_EntityIterator IFSelect_SelectRootComps::RootResult
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(const Interface_Graph& G) const
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{
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Interface_EntityIterator IEIinput = InputResult(G);
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Interface_EntityIterator iter;
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// ICI, extraire les Componants, puis considerer une Entite de chacun
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IFGraph_StrongComponants comps(G,Standard_False);
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comps.SetLoad();
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comps.GetFromIter(IEIinput);
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Interface_EntityIterator inp1; // IEIinput reduit a une Entite par Composant
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IFGraph_Cumulate GC(G);
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// On note dans le graphe : le cumul de chaque ensemble (Entite + Shared tous
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// niveaux). Les Roots initiales comptees une seule fois sont bonnes
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// Pour Entite : une par Componant (peu importe)
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for (comps.Start(); comps.More(); comps.Next()) {
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Handle(Standard_Transient) ent = comps.FirstEntity();
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GC.GetFromEntity(ent);
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inp1.GetOneItem(ent);
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}
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// A present, on retient, parmi les inputs, celles comptees une seule fois
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// (N.B.: on prend inp1, qui donne UNE entite par composant, simple ou cycle)
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for (inp1.Start(); inp1.More(); inp1.Next()) {
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Handle(Standard_Transient) ent = inp1.Value();
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if ((Standard_Boolean)(GC.NbTimes(ent) <= 1) == IsDirect()) iter.GetOneItem(ent);
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}
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return iter;
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}
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Standard_Boolean IFSelect_SelectRootComps::HasUniqueResult () const
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{ return Standard_True; }
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Standard_Boolean IFSelect_SelectRootComps::Sort
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(const Standard_Integer , const Handle(Standard_Transient)& ,
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const Handle(Interface_InterfaceModel)& ) const
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{ return Standard_True; }
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TCollection_AsciiString IFSelect_SelectRootComps::ExtractLabel () const
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{ return TCollection_AsciiString("Local Root Componants"); }
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