Feature #1774

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

diff --git a/packages/vtk/src/bbvtkImageDataToString.cxx b/packages/vtk/src/bbvtkImageDataToString.cxx
index 5bcdd96d66265234444f5db65b82113c115aa303..9ac99efbf56c1ee6138d25877bfbc8e7280b9522 100644 (file)
--- a/packages/vtk/src/bbvtkImageDataToString.cxx
+++ b/packages/vtk/src/bbvtkImageDataToString.cxx
@@ -1,20 +1,38 @@
+/*
+ # ---------------------------------------------------------------------
+ #
+ # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+ #                        pour la SantÈ)
+ # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+ # Previous Authors : Laurent Guigues, Jean-Pierre Roux
+ # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+ #
+ #  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.
+ # ------------------------------------------------------------------------ */
+
+
 /*=========================================================================
-                                                                                
   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: 2012/11/16 08:51:58 $
+  Version:   $Revision: 1.5 $
 =========================================================================*/
+
 /**
  *  \file 
  *  \brief 
@@ -39,8 +57,8 @@ namespace bbtk
 namespace bbstd
 {
   //====================================================================
-  BBTK_USER_BLACK_BOX_TEMPLATE_IMPLEMENTATION(ToString,
-                                             bbtk::AtomicBlackBox);
+  BBTK_BLACK_BOX_TEMPLATE_IMPLEMENTATION(ToString,
+                                        bbtk::AtomicBlackBox);
   //====================================================================
   
   
@@ -48,6 +66,11 @@ namespace bbstd
   template <> void ToString<vtkImageData*> ::DoIt()
   {
     vtkImageData* im = bbGetInputIn();
+    if (im==0) 
+      {
+       bbSetOutputOut("NULL");
+       return;
+      }
     int dim[3];
     im->GetDimensions(dim);