mitkVtkLayerController.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkVtkLayerController_h
#define mitkVtkLayerController_h
 
#include <MitkCoreExports.h>
#include <map>
#include <vector>
#include <vtkSmartPointer.h>
 
class vtkRenderWindow;
class vtkRenderer;
 
namespace mitk
{
  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;
  };
 
} // Namespace MITK
#endif