New widget pipeline : progressing ...

[bbtk.git] / packages / itkvtk / src / bbitkvtkvtkImageData2itkImage.cxx

diff --git a/packages/itkvtk/src/bbitkvtkvtkImageData2itkImage.cxx b/packages/itkvtk/src/bbitkvtkvtkImageData2itkImage.cxx
index 3afb1e81eb0df56651b8f6e670628131ef133bdb..a378afea06d396cfb407e3c5ad69e4fb226d4f80 100644 (file)
--- a/packages/itkvtk/src/bbitkvtkvtkImageData2itkImage.cxx
+++ b/packages/itkvtk/src/bbitkvtkvtkImageData2itkImage.cxx
@@ -3,8 +3,8 @@
   Program:   bbtk
   Module:    $RCSfile: bbitkvtkvtkImageData2itkImage.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/04/18 12:59:50 $
-  Version:   $Revision: 1.2 $
+  Date:      $Date: 2008/11/25 11:17:18 $
+  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
@@ -67,27 +67,57 @@ namespace bbitkvtk
    template<class T, unsigned int D>
    void vtkImageData2itkImage::Convert()
   {
-    bbtkDebugMessageInc("Core",9,"vtkImageData2itkImage<"
+    bbtkDebugMessage("process",5,"==> ["<<bbGetFullName()<<"] : Convert<"
                        <<bbtk::TypeName<T>()<<","<<D
-                       <<">::Convert()"<<std::endl);
+                       <<">()"<<std::endl);
+    
 
     typedef itk::Image<T,D> itkImageType;
     typedef itk::VTKImageToImageFilter< itkImageType > VtkToItkConnection;
-    //typedef itk::ImageToVTKImageFilter< itkImageType > ItkToVtkConnection;
+    typename VtkToItkConnection::Pointer conv;
 
-
-    try 
+    // No converter yet : create it and set its input
+    if (!mConverter) 
       {
-       typename VtkToItkConnection::Pointer conv = VtkToItkConnection::New();
+       bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : No converter yet : creating it"<<std::endl);
+       conv = VtkToItkConnection::New();
+       mConverter = conv;
        conv->SetInput( this->bbGetInputIn() );
-       conv->Update();
-
-       // How to unreference the old output (is in an any...) ?
-       //if (bbGetOutputOut()) bbGetOutputOut()->Unreference();
+      }
+    else 
+      {
+       bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter ok "<<std::endl);
+       // Input vtkImage type changed ? 
+       // Have to change the converter and set its input
+       conv = dynamic_cast<VtkToItkConnection*>
+         ((itk::ProcessObject*)mConverter);
+       if (!conv) 
+         {
+           bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter of wrong input type : reacreating it "<<std::endl);
+           mConverter->UnRegister();
+           conv = VtkToItkConnection::New();
+           mConverter = conv;
+           conv->SetInput( this->bbGetInputIn() );
+         }
+       // Input image type did not change but input image pointer did:
+       // set new input
+       else if ( this->bbGetInputIn() != conv->GetExporter()->GetInput())
+         {
+           bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Converter input changed : resetting it"<<std::endl);
+           conv->SetInput( this->bbGetInputIn() );
+         }
+       else 
+         {
+           bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Nothing changed"<<std::endl);     
+         }
+      }
+    try
+      {
        
+       bbtkDebugMessage("process",5,"    ["<<bbGetFullName()<<"] : Trying update"<<std::endl);  
+       conv->Update();
        itkImageType* out = const_cast<itkImageType*>(conv->GetOutput());
-       out->Register();        
-       bbSetOutputOut(out);
+       bbSetOutputOut(out);    
       }
     catch( itk::ExceptionObject & e) 
       {
@@ -95,12 +125,29 @@ namespace bbitkvtk
                  <<bbtk::TypeName<T>()<<","<<D
                  <<">::Convert() : "<<e);
       } 
-
-    bbtkDebugDecTab("Core",9);
+    bbtkDebugMessage("process",5,"<== ["<<bbGetFullName()<<"] : Convert<"
+                    <<bbtk::TypeName<T>()<<","<<D
+                    <<">() *DONE*"<<std::endl);         
   }
 
   
-
+  void vtkImageData2itkImage::bbUserConstructor()
+  {
+    //    bbSetOutputOut(NULL);
+    mConverter = 0;
+  }
+  
+  void vtkImageData2itkImage::bbUserCopyConstructor(bbtk::BlackBox::Pointer)
+  {
+    //    bbSetOutputOut(NULL);
+    mConverter = 0;
+  }
+  
+  void vtkImageData2itkImage::bbUserDestructor()
+  {
+    //    if (mConverter) mConverter->UnRegister();
+  }
+