vtkImageSource.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageSource.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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 __vtkImageSource_h
#define __vtkImageSource_h

#include "vtkSource.h"

class vtkImageData;

class VTK_FILTERING_EXPORT vtkImageSource : public vtkSource
{
public:
  vtkTypeMacro(vtkImageSource,vtkSource);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetOutput(vtkImageData *output);
  vtkImageData *GetOutput();
  vtkImageData *GetOutput(int idx);
  
protected:
  vtkImageSource();
  ~vtkImageSource() {};

  void Execute();
  virtual void Execute(vtkImageData *data);

  // a helper method that sets the extent and allocates the output 
  // passed into it and returns it as an image data
  virtual vtkImageData *AllocateOutputData(vtkDataObject *out);

  virtual int FillOutputPortInformation(int, vtkInformation*);
private:
  vtkImageSource(const vtkImageSource&);  // Not implemented.
  void operator=(const vtkImageSource&);  // Not implemented.
};


#endif