mitkImageBackground2D.h

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/*=========================================================================
 
Program:   Medical Imaging & Interaction Toolkit
Language:  C++
Date:      $Date$
Version:   $Revision$
 
Copyright (c) German Cancer Research Center, Division of Medical and
Biological Informatics. All rights reserved.
See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
 
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the above copyright notices for more information.
 
=========================================================================*/

#ifndef _mitk_Image_Background2D_h_
#define _mitk_Image_Background2D_h_

#include "mitkVideoSource.h"
#include "MitkExtExports.h"

#include "mitkConfig.h"

class vtkRenderer;
class vtkRenderWindow;
class vtkImageActor;
class vtkImageImport;
class vtkVideoSizeCallback;

namespace mitk 
{

  class RenderWindow;

  class MitkExt_EXPORT ImageBackground2D : public itk::Object
  {
    public:
     mitkClassMacro( ImageBackground2D, itk::Object );
     itkNewMacro( Self );

    vtkRenderWindow* GetRenderWindow();
    void SetRenderWindow(vtkRenderWindow* renderWindow);
    void SetImageDimensions(int x, int y, int nrOfScalarComponents)
    {
      m_ImageWidth  = x;
      m_ImageHeight = y;
      m_ImageScalarComponents = nrOfScalarComponents;
      InitVtkImageImport();
    }

    void SetParallelScale(int scale);
    int  GetParallelScale();
    
    void Update(char * dataPointer);
    void Update(char * dataPointer, int width, int height, int imageScalarComponents);
    
    void Enable();
    void Disable();
    bool IsEnabled();
     
  protected:
    ImageBackground2D();
    ~ImageBackground2D();

    void InitVtkImageImport();

    vtkRenderWindow*            m_RenderWindow;
    vtkRenderer*                m_ImageRenderer;
    vtkImageActor*              m_Actor;
    vtkImageImport*             m_VtkImageImport;

     // Adjust Image Size
     vtkVideoSizeCallback *     m_SizeCallback;

    unsigned char *             m_ImageData;
     
    int m_ImageWidth, m_ImageHeight, m_ImageScalarComponents, m_ParallelScale;
  };
} // namespace mitk

#endif