mitkVtkLayerController.h

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#ifndef mitkVtkLayerController_h
#define mitkVtkLayerController_h

#include <MitkCoreExports.h>
#include <map>
#include <vector>
#include <vtkSmartPointer.h>

class vtkRenderWindow;
class vtkRenderer;

namespace mitk
{
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4251)
#endif

  class MITKCORE_EXPORT VtkLayerController
  {
  public:
    static VtkLayerController *GetInstance(vtkSmartPointer<vtkRenderWindow> renWin);
    static void AddInstance(vtkSmartPointer<vtkRenderWindow> renWin, vtkSmartPointer<vtkRenderer> mitkSceneRenderer);
    static void RemoveInstance(vtkSmartPointer<vtkRenderWindow> renWin);

    VtkLayerController(vtkSmartPointer<vtkRenderWindow> renderWindow);
    virtual ~VtkLayerController();

    vtkSmartPointer<vtkRenderer> GetSceneRenderer();

    void InsertBackgroundRenderer(vtkSmartPointer<vtkRenderer> renderer, bool forceAbsoluteBackground);

    void InsertForegroundRenderer(vtkSmartPointer<vtkRenderer> renderer, bool forceAbsoluteForeground);

    void InsertSceneRenderer(vtkSmartPointer<vtkRenderer> renderer);

    void SetRenderWindow(vtkSmartPointer<vtkRenderWindow> renwin);

    void RemoveRenderer(vtkSmartPointer<vtkRenderer> renderer);

    bool IsRendererInserted(vtkSmartPointer<vtkRenderer> renderer);

    unsigned int GetNumberOfRenderers();

    void SetEraseForAllRenderers(int i);

  protected:
    vtkSmartPointer<vtkRenderWindow> m_RenderWindow;

  private:
    void UpdateLayers();

    // Layer Management
    typedef std::vector<vtkSmartPointer<vtkRenderer>> RendererVectorType;
    RendererVectorType m_BackgroundRenderers;
    RendererVectorType m_SceneRenderers;
    RendererVectorType m_ForegroundRenderers;

    typedef std::map<const vtkSmartPointer<vtkRenderWindow>, mitk::VtkLayerController *> vtkLayerControllerMapType;
    static vtkLayerControllerMapType s_LayerControllerMap;
  };

#ifdef _MSC_VER
#pragma warning(pop)
#endif

} // Namespace MITK
#endif /* mitkVtkLayerController_h */