Imaging/vtkImageFFT.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageFFT.h,v $

  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 __vtkImageFFT_h
#define __vtkImageFFT_h


#include "vtkImageFourierFilter.h"

class VTK_IMAGING_EXPORT vtkImageFFT : public vtkImageFourierFilter
{
public:
  static vtkImageFFT *New();
  vtkTypeRevisionMacro(vtkImageFFT,vtkImageFourierFilter);



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

  virtual void IterativeExecuteData(vtkImageData *in, vtkImageData *out) 
    { this->MultiThread(in,out); };
  

protected:
  vtkImageFFT() {};
  ~vtkImageFFT() {};

  void ExecuteInformation(vtkImageData *inData, vtkImageData *outData);
  void ComputeInputUpdateExtent(int inExt[6], int outExt[6]);
  void ExecuteInformation(){this->vtkImageIterateFilter::ExecuteInformation();};
  
  void ThreadedExecute(vtkImageData *inData, vtkImageData *outData,
                       int outExt[6], int threadId);
private:
  vtkImageFFT(const vtkImageFFT&);  // Not implemented.
  void operator=(const vtkImageFFT&);  // Not implemented.
};

#endif

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