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VTKViewer_Utilities.h
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
15 //
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 
23 #ifndef VTKVIEWER_UTILITIES_H
24 #define VTKVIEWER_UTILITIES_H
25 
26 #include "VTKViewer.h"
27 
28 class vtkRenderer;
29 class vtkActorCollection;
30 
31 VTKVIEWER_EXPORT
32 extern
33 void
34 ResetCamera(vtkRenderer* theRenderer,
35  int theUsingZeroFocalPoint = false);
36 
37 VTKVIEWER_EXPORT
38 extern
39 int
40 ComputeVisiblePropBounds(vtkRenderer* theRenderer,
41  double theBounds[6]);
42 
43 VTKVIEWER_EXPORT
44 extern
45 int
46 ComputeBounds(vtkActorCollection* theCollection,
47  double theBounds[6]);
48 
49 VTKVIEWER_EXPORT
50 extern
51 void
52 ResetCameraClippingRange(vtkRenderer* theRenderer);
53 VTKVIEWER_EXPORT
54 extern
55 bool
56 ComputeTrihedronSize(vtkRenderer* theRenderer,
57  double& theNewSize,
58  const double theSize,
59  const double theSizeInPercents);
60 
61 VTKVIEWER_EXPORT
62 extern
63 bool IsBBEmpty(vtkRenderer* theRenderer);
64 VTKVIEWER_EXPORT
65 extern
66 bool ComputeBBCenter(vtkRenderer* theRenderer,
67  double theCenter[3]);
68 VTKVIEWER_EXPORT
69 extern
70 bool isBoundValid(double* theBounds);
71 #endif