1 // Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef LIGHTAPP_DISPLAYER_HEADER
21 #define LIGHTAPP_DISPLAYER_HEADER
23 #include <SALOME_Prs.h>
28 \class LightApp_Displayer
29 Uniform mechanism of display/erase of objects in different views.
30 Objects are specified by string entry
32 class LightApp_Displayer : public SALOME_Displayer
36 virtual ~LightApp_Displayer();
38 void Display( const QString&, const bool = true, SALOME_View* = 0 );
39 void Redisplay( const QString&, const bool = true );
40 void Erase( const QString&, const bool forced = false, const bool updateViewer = true, SALOME_View* = 0 );
41 void EraseAll( const bool forced = false, const bool updateViewer = true, SALOME_View* = 0 ) const;
42 bool IsDisplayed( const QString&, SALOME_View* = 0 ) const;
43 void UpdateViewer() const;
45 static SALOME_View* GetActiveView();
46 static LightApp_Displayer* FindDisplayer( const QString&, const bool );
48 virtual bool canBeDisplayed( const QString& /*entry*/, const QString& /*viewer_type*/ ) const;
49 bool canBeDisplayed( const QString& /*entry*/ ) const;
52 virtual SALOME_Prs* buildPresentation( const QString&, SALOME_View* = 0 );