vtkNetworkImageSource.h

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

  Program:   ParaView
  Module:    vtkNetworkImageSource.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/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 notice for more information.

=========================================================================*/
#ifndef vtkNetworkImageSource_h
#define vtkNetworkImageSource_h

#include "vtkImageAlgorithm.h"
#include "vtkPVVTKExtensionsFiltersRenderingModule.h" //needed for exports

class vtkImageData;
class vtkClientServerStream;

class VTKPVVTKEXTENSIONSFILTERSRENDERING_EXPORT vtkNetworkImageSource : public vtkImageAlgorithm
{
public:
  static vtkNetworkImageSource* New();
  vtkTypeMacro(vtkNetworkImageSource, vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  void UpdateImage();

protected:
  vtkNetworkImageSource();
  ~vtkNetworkImageSource() override;

  vtkTimeStamp UpdateImageTime;

  char* FileName;

  vtkImageData* Buffer;
  int ReadImageFromFile(const char* filename);
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

private:
  vtkNetworkImageSource(const vtkNetworkImageSource&) = delete;
  void operator=(const vtkNetworkImageSource&) = delete;
};

#endif