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Null Pointer check in vizimpl.cpp

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Should fix #4191 (http://code.opencv.org/issues/4191)
This commit is contained in:
tcavallari
2015-04-21 10:08:17 +02:00
parent b27467d9f9
commit cca78e0601
1 changed files with 1 additions and 1 deletions
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2
modules/viz/src/vizimpl.cpp
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@@ -85,7 +85,7 @@ void cv::viz::Viz3d::VizImpl::TimerCallback::Execute(vtkObject* caller, unsigned
void cv::viz::Viz3d::VizImpl::ExitCallback::Execute(vtkObject*, unsigned long event_id, void*)
{
if (event_id == vtkCommand::ExitEvent)
if (event_id == vtkCommand::ExitEvent && viz->interactor_)
{
viz->interactor_->TerminateApp();
viz->interactor_ = 0;