*** empty log message ***

[bbtk.git] / packages / itkvtk / src / bbitkvtkitkImage2vtkImageData.cxx

diff --git a/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx b/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
index 3fe9fe370701bd9d566cc48fdd68fb62d9854f5c..852e4d9759bfbc4ac2dcb8461980ee77f4315ce4 100644 (file)
--- a/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
+++ b/packages/itkvtk/src/bbitkvtkitkImage2vtkImageData.cxx
@@ -3,8 +3,8 @@
   Program:   bbtk
   Module:    $RCSfile: bbitkvtkitkImage2vtkImageData.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/04/18 12:59:50 $
-  Version:   $Revision: 1.2 $
+  Date:      $Date: 2008/05/14 07:01:00 $
+  Version:   $Revision: 1.4 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -50,27 +50,61 @@ 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 itk::ImageToVTKImageFilter< itkImageType > ItkToVtkConnection;
+    typename ItkToVtkConnection::Pointer conv;
 
-
-    try 
+    // No converter yet : create it and set its input
+    if (!mConverter) 
       {
-       typename ItkToVtkConnection::Pointer conv = ItkToVtkConnection::New();
+       bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : No converter yet : creating it"<<std::endl);
+       conv = ItkToVtkConnection::New();
+       mConverter = conv;
        conv->SetInput( this->bbGetInputIn().get<itkImageType*>() );
-       conv->Update();
-       vtkImageData* o = vtkImageData::New();
-       //      o->SetReferenceCount(10);
-       o->DeepCopy(conv->GetOutput());
+      }
+    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<itkImageType*>() );
+         }
+       // Input image type did not change but input image pointer did:
+       // set new input
+       else if ( this->bbGetInputIn().get<itkImageType*>() 
+                 != (itkImageType*)(conv->GetExporter()->GetInputs()[0].GetPointer()))
+         {
+           bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter input changed : resetting it"<<std::endl);
+
+           conv->SetInput( this->bbGetInputIn().get<itkImageType*>() );
+         }
+       else 
+         {
+           bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Nothing changed"<<std::endl);     
+
+         }
+      }
+    try
+      {
+       
+       bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Trying update"<<std::endl);  
 
-       //      o->Print(std::cout);
-       if (bbGetOutputOut()) bbGetOutputOut()->Delete();
-       bbSetOutputOut(o);
+       conv->Update();
+       bbSetOutputOut(conv->GetOutput());
       }
     catch( itk::ExceptionObject & e) 
       {
@@ -78,13 +112,27 @@ namespace bbitkvtk
                  <<bbtk::TypeName<T>()
                  <<">::Convert() : "<<e);
       } 
+    bbtkDebugMessage("process",5,"<== ["<<bbGetFullName()<<"] : Convert<"
+                    <<bbtk::TypeName<T>()
+                    <<">() *DONE*"<<std::endl);
 
-    
-
-    bbtkDebugDecTab("Core",9);
-  }
 
+ }
 
+  void itkImage2vtkImageData::bbUserConstructor()
+  {
+    bbSetOutputOut(NULL);
+    mConverter = 0;
+  }
+  void itkImage2vtkImageData::bbUserCopyConstructor()
+  {
+    bbSetOutputOut(NULL);
+    mConverter = 0;
+  }
+  void itkImage2vtkImageData::bbUserDestructor()
+  {
+  }
+  
 
 }
 // eo namespace bbitkvtk