refactor using pimpl and fix test

src/Vtk/Math/vtkContainerBox.h

@@ -29,12 +29,15 @@
 #include "Math/ContainerBox.h"
 #include "uLibVtkInterface.h"
 #include "vtkPolydata.h"
-#include <vtkActor.h>
 #include <boost/signals2/connection.hpp>
 
+class vtkActor;
+
 namespace uLib {
 namespace Vtk {
 
+struct ContainerBoxData;
+
 class vtkContainerBox : public Puppet, public Polydata {
   typedef ContainerBox Content;
 
@@ -51,13 +54,9 @@ public:
 protected:
   virtual void InstallPipe();
 
-  vtkActor *m_Cube;
-  vtkActor *m_Axes;
-  // vtkActor *m_Pivot;
-
-  Content *m_Content;
-  bool m_BlockUpdate = false;
-  // boost::signals2::connection m_Connection;
+  struct ContainerBoxData *d;
+  Content                 *m_Content;
+  bool                     m_BlockUpdate = false;
 };
 
 } // namespace Vtk