Function ForEachNonWidgetProp

Rendering/VR/vtkVRInteractorStyle.cxx:442–459

// Calls `func` for each prop in `renderer` that is not part of a widget representation
template <typename Func>
void ForEachNonWidgetProp(vtkRenderer* renderer, Func&& func)
{
  vtkCollectionSimpleIterator cookie;
  vtkPropCollection* props = renderer->GetViewProps();
  props->InitTraversal(cookie);

  for (vtkProp* prop = props->GetNextProp(cookie); prop; prop = props->GetNextProp(cookie))
  {
    if (!prop->IsA("vtkWidgetRepresentation"))
    {
      prop->InitPathTraversal();
      for (vtkAssemblyPath* path = prop->GetNextPath(); path; path = prop->GetNextPath())
      {
        func(path->GetLastNode()->GetViewProp());
      }
    }
  }
}

}