dox/Imaging/vtkKWEImageFFT.h

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//=============================================================================
//   This file is part of VTKEdge. See vtkedge.org for more information.
//
//   Copyright (c) 2010 Kitware, Inc.
//
//   VTKEdge may be used under the terms of the BSD License
//   Please see the file Copyright.txt in the root directory of
//   VTKEdge for further information.
//
//   Alternatively, you may see: 
//
//   http://www.vtkedge.org/vtkedge/project/license.html
//
//
//   For custom extensions, consulting services, or training for
//   this or any other Kitware supported open source project, please
//   contact Kitware at sales@kitware.com.
//
//
//=============================================================================
#ifndef __vtkKWEImageFFT_h
#define __vtkKWEImageFFT_h


#include "vtkImageFourierFilter.h"
#include "VTKEdgeConfigure.h" // include configuration header


class VTKEdge_IMAGING_EXPORT vtkKWEImageFFT : public vtkImageFourierFilter
{
public:
  static vtkKWEImageFFT *New();
  vtkTypeRevisionMacro(vtkKWEImageFFT,vtkImageFourierFilter);



  int SplitExtent(int splitExt[6], int startExt[6],
                  int num, int total);

protected:
  vtkKWEImageFFT() { this->NumberOfThreads = 1; }
  ~vtkKWEImageFFT() {};

  virtual int IterativeRequestInformation(vtkInformation* in,
                                          vtkInformation* out);
  virtual int IterativeRequestUpdateExtent(vtkInformation* in,
                                           vtkInformation* out);

  void ThreadedExecute(vtkImageData *inData, vtkImageData *outData,
                       int outExt[6], int threadId);

  virtual void SetNumberOfThreads(int _arg);

private:
  vtkKWEImageFFT(const vtkKWEImageFFT&);  // Not implemented.
  void operator=(const vtkKWEImageFFT&);  // Not implemented.


};

#endif