From cff13ef732b851bc663de9cb8c6742592179f516 Mon Sep 17 00:00:00 2001
From: David Sarrut <david.sarrut@gmail.com>
Date: Fri, 30 Mar 2012 15:16:41 +0200
Subject: [PATCH] Add RemoveActors

---
 vv/vvBinaryImageOverlayActor.cxx | 20 ++++++++++++++++++--
 vv/vvBinaryImageOverlayActor.h   |  4 ++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/vv/vvBinaryImageOverlayActor.cxx b/vv/vvBinaryImageOverlayActor.cxx
index 612d9c0..4f2e961 100644
--- a/vv/vvBinaryImageOverlayActor.cxx
+++ b/vv/vvBinaryImageOverlayActor.cxx
@@ -49,9 +49,25 @@ vvBinaryImageOverlayActor::vvBinaryImageOverlayActor()
 
 //------------------------------------------------------------------------------
 vvBinaryImageOverlayActor::~vvBinaryImageOverlayActor()
+{
+  mImageActorList.clear();
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvBinaryImageOverlayActor::RemoveActors()
 {
   for (unsigned int i = 0; i < mImageActorList.size(); i++) {
-    mSlicer->GetRenderer()->RemoveActor(mImageActorList[i]);
+    if (mSlicer != 0) {
+      if (mSlicer != NULL) {
+        if (mSlicer->GetRenderer() != 0) {
+          if (mImageActorList[i] != 0)  {
+            mSlicer->GetRenderer()->RemoveActor(mImageActorList[i]);
+          }
+        }
+      }
+    }
   }
 }
 //------------------------------------------------------------------------------
@@ -173,7 +189,7 @@ void vvBinaryImageOverlayActor::SetOpacity(double d)
 
 
 //------------------------------------------------------------------------------
-void vvBinaryImageOverlayActor::SetImage(vvImage * image, double bg, bool modeBG)
+void vvBinaryImageOverlayActor::SetImage(vvImage::Pointer image, double bg, bool modeBG)
 {
   mImage = image;
   if (modeBG) {
diff --git a/vv/vvBinaryImageOverlayActor.h b/vv/vvBinaryImageOverlayActor.h
index 4437ec1..9559bc7 100644
--- a/vv/vvBinaryImageOverlayActor.h
+++ b/vv/vvBinaryImageOverlayActor.h
@@ -40,7 +40,7 @@ class vvBinaryImageOverlayActor : public itk::LightObject
   void SetSlicer(vvSlicer * slicer);
   void SetColor(double r, double g, double b);
   void SetOpacity(double d);
-  void SetImage(vvImage * image, double bg, bool modeBG=true);
+  void SetImage(vvImage::Pointer image, double bg, bool modeBG=true);
   void SetDepth(double d) { mDepth = d; }
   void Initialize(bool IsVisible=true);
   void UpdateColor();
@@ -55,7 +55,7 @@ class vvBinaryImageOverlayActor : public itk::LightObject
   int mTSlice;
   int mPreviousTSlice;
   int mPreviousSlice;
-  vvImage * mImage;
+  vvImage::Pointer mImage;
   std::vector<double> mColor;
   double mAlpha;
   double mBackgroundValue;
-- 
2.47.1