-// SALOME VTKViewer : build VTK viewer into Salome desktop
+// Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
+// SALOME VTKViewer : build VTK viewer into Salome desktop
// File : VTKViewer_ViewFrame.h
// Author : Nicolas REJNERI
-// Module : SALOME
-// $Header$
#ifndef VTKViewer_Algorithm_H
#define VTKViewer_Algorithm_H
+#include "VTKViewer.h"
+
#include <vtkActorCollection.h>
class vtkActor;
namespace VTK
{
+ /*!
+ * This object should be used to avoid problems with recurring calls of GetActors() method of the vtkRenderer class.
+ *
+ * Instead of the following instructions:
+ *
+ * vtkRenderer* aRenderer = ...;
+ * vtkActorCollection* anActorCollection = aRenderer->GetActors();
+ * DoSomething( anActorCollection ); // where GetActors() could be called again
+ *
+ * A code like the following should be used:
+ *
+ * vtkRenderer* aRenderer = ...;
+ * vtkActorCollection* anActorCollection = aRenderer->GetActors();
+ * ActorCollectionCopy aCopy( anActorCollection );
+ * DoSomething( aCopy.GetActors() );
+ */
+ struct VTKVIEWER_EXPORT ActorCollectionCopy
+ {
+ vtkActorCollection* myActorCollection;
+
+ ActorCollectionCopy( vtkActorCollection* theActorCollection );
+ ~ActorCollectionCopy();
+
+ vtkActorCollection* GetActors() const;
+ };
+
+ /*!For each actor(for ex: someActor) from \a theCollection(that can be dynamic cast to type TActor)\n
+ * Call method \a theFun(someActor)
+ */
template<typename TActor, typename TFunction>
TFunction ForEach(vtkActorCollection *theCollection, TFunction theFun)
{
- if(theCollection){
- theCollection->InitTraversal();
- while(vtkActor *anAct = theCollection->GetNextActor())
- if(TActor *anActor = dynamic_cast<TActor*>(anAct))
- theFun(anActor);
- }
- return theFun;
+ if(theCollection){
+ theCollection->InitTraversal();
+ while(vtkActor *anAct = theCollection->GetNextActor())
+ if(TActor *anActor = dynamic_cast<TActor*>(anAct))
+ theFun(anActor);
+ }
+ return theFun;
}
-
+ /*!For each actor(for ex: someActor) from \a theCollection(that can be dynamic cast to type TActor and \n
+ * method \a thePredicate(someActor) return true) \n
+ * Call method \a theFun(someActor)
+ */
template<typename TActor, typename TPredicate, typename TFunction>
TFunction ForEachIf(vtkActorCollection *theCollection,
- TPredicate thePredicate,
- TFunction theFun)
+ TPredicate thePredicate,
+ TFunction theFun)
{
- if(theCollection){
- theCollection->InitTraversal();
- while(vtkActor *anAct = theCollection->GetNextActor())
- if(TActor *anActor = dynamic_cast<TActor*>(anAct))
- if(thePredicate(anActor))
- theFun(anActor);
- }
- return theFun;
+ if(theCollection){
+ theCollection->InitTraversal();
+ while(vtkActor *anAct = theCollection->GetNextActor())
+ if(TActor *anActor = dynamic_cast<TActor*>(anAct))
+ if(thePredicate(anActor))
+ theFun(anActor);
+ }
+ return theFun;
}
-
+ /*!Find actor from collection, that can be dynamicaly cast to \a TActor, \n
+ *and method \a thePredicate(someActor) return true) \n
+ *\retval someActor
+ */
template<typename TActor, typename TPredicate>
TActor* Find(vtkActorCollection *theCollection, TPredicate thePredicate)
{
- if(theCollection){
- theCollection->InitTraversal();
- while(vtkActor *anAct = theCollection->GetNextActor())
- if(TActor *anActor = dynamic_cast<TActor*>(anAct))
- if(thePredicate(anActor))
- return anActor;
- }
- return NULL;
+ if(theCollection){
+ theCollection->InitTraversal();
+ while(vtkActor *anAct = theCollection->GetNextActor())
+ if(TActor *anActor = dynamic_cast<TActor*>(anAct))
+ if(thePredicate(anActor))
+ return anActor;
+ }
+ return NULL;
}
}
