warning: NULL used in arithmetic

[bbtk.git] / packages / vtk / src / bbvtkImageDataToString.cxx

diff --git a/packages/vtk/src/bbvtkImageDataToString.cxx b/packages/vtk/src/bbvtkImageDataToString.cxx
index 5bcdd96d66265234444f5db65b82113c115aa303..c11a915d89aeec96195c1a9cf47c3dd0bf34f96f 100644 (file)
--- a/packages/vtk/src/bbvtkImageDataToString.cxx
+++ b/packages/vtk/src/bbvtkImageDataToString.cxx
@@ -1,20 +1,33 @@
-/*=========================================================================
-                                                                                
+/*=========================================================================                                                                               
   Program:   bbtk
   Module:    $RCSfile: bbvtkImageDataToString.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/02/15 08:46:19 $
-  Version:   $Revision: 1.1 $
-                                                                                
-  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
-  l'Image). All rights reserved. See Doc/License.txt or
-  http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
-                                                                                
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-                                                                                
+  Date:      $Date: 2008/12/09 12:54:05 $
+  Version:   $Revision: 1.4 $
 =========================================================================*/
+
+/* ---------------------------------------------------------------------
+
+* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
+* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
+*
+*  This software is governed by the CeCILL-B license under French law and 
+*  abiding by the rules of distribution of free software. You can  use, 
+*  modify and/ or redistribute the software under the terms of the CeCILL-B 
+*  license as circulated by CEA, CNRS and INRIA at the following URL 
+*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
+*  or in the file LICENSE.txt.
+*
+*  As a counterpart to the access to the source code and  rights to copy,
+*  modify and redistribute granted by the license, users are provided only
+*  with a limited warranty  and the software's author,  the holder of the
+*  economic rights,  and the successive licensors  have only  limited
+*  liability. 
+*
+*  The fact that you are presently reading this means that you have had
+*  knowledge of the CeCILL-B license and that you accept its terms.
+* ------------------------------------------------------------------------ */                                                                         
+
 /**
  *  \file 
  *  \brief 
@@ -39,8 +52,8 @@ namespace bbtk
 namespace bbstd
 {
   //====================================================================
-  BBTK_USER_BLACK_BOX_TEMPLATE_IMPLEMENTATION(ToString,
-                                             bbtk::AtomicBlackBox);
+  BBTK_BLACK_BOX_TEMPLATE_IMPLEMENTATION(ToString,
+                                        bbtk::AtomicBlackBox);
   //====================================================================
   
   
@@ -48,6 +61,11 @@ namespace bbstd
   template <> void ToString<vtkImageData*> ::DoIt()
   {
     vtkImageData* im = bbGetInputIn();
+    if (im==0) 
+      {
+       bbSetOutputOut("NULL");
+       return;
+      }
     int dim[3];
     im->GetDimensions(dim);