X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=packages%2Fitkvtk%2Fsrc%2FbbitkvtkitkImage2vtkImageData.cxx;h=e3a46313c24142846caca6d1ccea18810fabe9ae;hb=1e2df7fb6ae571ce1cf72e6af1715f0e34675cbf;hp=0047b30bce1fb728c559141438289c86389f4307;hpb=551b02f0819a98e9595a81570b1d1174f398f34d;p=bbtk.git

diff --git a/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx b/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
index 0047b30..e3a4631 100644
--- a/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
+++ b/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
@@ -1,20 +1,33 @@
-/*=========================================================================
-                                                                                
+/*=========================================================================                                                                               
   Program:   bbtk
   Module:    $RCSfile: bbitkvtkitkImage2vtkImageData.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/05/09 10:39:46 $
-  Version:   $Revision: 1.3 $
-                                                                                
-  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: 2008/11/25 11:17:17 $
+  Version:   $Revision: 1.7 $
 =========================================================================*/
+
+/* ---------------------------------------------------------------------
+
+* 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 
@@ -49,26 +62,63 @@ namespace bbitkvtk
 
    template<class T>
    void itkImage2vtkImageData::Convert()
-  {
-    bbtkDebugMessageInc("Core",9,"itkImage2vtkImageData<"
-			<<bbtk::TypeName<T>()
-			<<">::Convert()"<<std::endl);
+   {
+    bbtkDebugMessage("process",5,"==> ["<<bbGetFullName()<<"] : Convert<"
+		     <<bbtk::TypeName<T>()
+		     <<">()"<<std::endl);
 
     typedef T itkImageType;
-    //   typedef itk::VTKImageToImageFilter< itkImageType > VtkToItkConnection;
+	typedef itkImageType* itkImageTypePointer;
     typedef itk::ImageToVTKImageFilter< itkImageType > ItkToVtkConnection;
+    typename ItkToVtkConnection::Pointer conv;
 
-
-    try 
+    // No converter yet : create it and set its input
+    if (!mConverter) 
+      {
+	bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : No converter yet : creating it"<<std::endl);
+	conv = ItkToVtkConnection::New();
+	mConverter = conv;
+	conv->SetInput( this->bbGetInputIn().get< itkImageTypePointer >() );
+      }
+    else 
+      {
+	bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter ok "<<std::endl);
+	
+	// Input itkImageType type changed ? 
+	// Have to change the converter and set its input
+	conv = dynamic_cast<ItkToVtkConnection*>
+	  ((itk::ProcessObject*)mConverter);
+	if (!conv) 
+	  {
+	    bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter of wrong input type : reacreating it "<<std::endl);
+
+	    mConverter->UnRegister();
+	    conv = ItkToVtkConnection::New();
+	    mConverter = conv;
+	    conv->SetInput( this->bbGetInputIn().get<itkImageTypePointer>() );
+	  }
+	// Input image type did not change but input image pointer did:
+	// set new input
+	else if ( this->bbGetInputIn().get<itkImageTypePointer>() 
+		  != (itkImageType*)(conv->GetExporter()->GetInputs()[0].GetPointer()))
+	  {
+	    bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter input changed : resetting it"<<std::endl);
+
+	    conv->SetInput( this->bbGetInputIn().get<itkImageTypePointer>() );
+	  }
+	else 
+	  {
+	    bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Nothing changed"<<std::endl);	  
+
+	  }
+      }
+    try
       {
-	typename ItkToVtkConnection::Pointer conv = ItkToVtkConnection::New();
-	conv->SetInput( this->bbGetInputIn().get<itkImageType*>() );
+	
+	bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Trying update"<<std::endl);	 
+
 	conv->Update();
-	if (bbGetOutputOut()) bbGetOutputOut()->UnRegister(NULL);
 	bbSetOutputOut(conv->GetOutput());
-	//	bbGetOutputOut()->DebugOn();
-	bbGetOutputOut()->Register(NULL);
-	bbGetOutputOut()->SetSource(NULL);
       }
     catch( itk::ExceptionObject & e) 
       {
@@ -76,25 +126,27 @@ namespace bbitkvtk
 		  <<bbtk::TypeName<T>()
 		  <<">::Convert() : "<<e);
       } 
-    bbtkDebugDecTab("Core",9);
-  }
+    bbtkDebugMessage("process",5,"<== ["<<bbGetFullName()<<"] : Convert<"
+		     <<bbtk::TypeName<T>()
+		     <<">() *DONE*"<<std::endl);
+
+
+ }
 
   void itkImage2vtkImageData::bbUserConstructor()
   {
     bbSetOutputOut(NULL);
+    mConverter = 0;
   }
-  void itkImage2vtkImageData::bbUserCopyConstructor()
+  void itkImage2vtkImageData::bbUserCopyConstructor(bbtk::BlackBox::Pointer)
   {
     bbSetOutputOut(NULL);
+    mConverter = 0;
   }
   void itkImage2vtkImageData::bbUserDestructor()
   {
-    if (bbGetOutputOut()) 
-      {
-	bbGetOutputOut()->UnRegister(NULL);
-      }
   }
-
+  
 
 }
 // eo namespace bbitkvtk