From 71384a98b8774c033c1626e00d30a9d130b27013 Mon Sep 17 00:00:00 2001
From: mpech <maxime.pech@insa-lyon.fr>
Date: Mon, 23 May 2011 11:50:33 +0200
Subject: [PATCH] fix segfault when accessing vvToolCropImage in toolMenu when
 no image are opened. This case should not happen if tools are disabled (see
 issue #461) when no image are opened.

---
 vv/vvToolCropImage.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vv/vvToolCropImage.cxx b/vv/vvToolCropImage.cxx
index 5811756..2030407 100644
--- a/vv/vvToolCropImage.cxx
+++ b/vv/vvToolCropImage.cxx
@@ -86,7 +86,9 @@ void vvToolCropImage::closeEvent(QCloseEvent *event)
 {
   // Reset extends
   for(int i=0; i<mExtentSize; i++) mReducedExtent[i] = mInitialExtent[i];
-  UpdateExtent();
+  if(mCurrentSlicerManager){
+    UpdateExtent();
+  }
   event->accept();
 }
 //------------------------------------------------------------------------------
-- 
2.47.1