X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=bbtk%2Fsrc%2FbbmaracasvisuImageChangeInformation.cxx;h=568d2b1835d5f9b3197d617851895258c31c524d;hb=bf59a58c8e18d27d491ce9681c06e50c8213cb23;hp=feeece21f58d732d99c10d09f1211bd533cc0f8d;hpb=800f29fd7e4cc70d8706b3075454e63f0b1a5717;p=creaMaracasVisu.git

diff --git a/bbtk/src/bbmaracasvisuImageChangeInformation.cxx b/bbtk/src/bbmaracasvisuImageChangeInformation.cxx
index feeece2..568d2b1 100644
--- a/bbtk/src/bbmaracasvisuImageChangeInformation.cxx
+++ b/bbtk/src/bbmaracasvisuImageChangeInformation.cxx
@@ -8,24 +8,30 @@ BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaMaracasVisu,ImageChangeInformation)
 BBTK_BLACK_BOX_IMPLEMENTATION(ImageChangeInformation,bbtk::AtomicBlackBox);
 void ImageChangeInformation::Process()
 {
-   int ext[6];
-   bbGetInputIn()->GetExtent( ext );
-   if (mchange!=NULL) { mchange->Delete(); }
-   mchange = vtkImageChangeInformation::New();
-   mchange->SetInput( bbGetInputIn() );
-   mchange->SetExtentTranslation( -ext[0], -ext[2], -ext[4] );
-   mchange->Update();    //important
+	int ext[6];
+	vtkImageData* img = bbGetInputIn();
+	if(img!=NULL){
+		img->GetExtent( ext );
+		if (mchange!=NULL) { mchange->Delete(); }
+		mchange = vtkImageChangeInformation::New();
+		mchange->SetInput( img );
+		mchange->SetExtentTranslation( -ext[0], -ext[2], -ext[4] );
+		mchange->Update();    //important
+
+		bbSetOutputOut( mchange->GetOutput() );
+	}
 
-   bbSetOutputOut( mchange->GetOutput() );
   
 }
 void ImageChangeInformation::bbUserConstructor()
 {
   mchange=NULL;
+   bbSetOutputOut( NULL);
+   bbSetInputIn(NULL);
 }
-void ImageChangeInformation::bbUserCopyConstructor()
+void ImageChangeInformation::bbUserCopyConstructor(bbtk::BlackBox::Pointer)
 {
-
+	mchange=NULL;
 }
 void ImageChangeInformation::bbUserDestructor()
 {