itkFFTWComplexToComplexFFTImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#include "itkComplexToComplexFFTImageFilter.h"

#ifndef itkFFTWComplexToComplexFFTImageFilter_h
#define itkFFTWComplexToComplexFFTImageFilter_h

#include "itkFFTWCommon.h"


namespace itk
{
template< typename TImage >
class ITK_TEMPLATE_EXPORT FFTWComplexToComplexFFTImageFilter:
  public ComplexToComplexFFTImageFilter< TImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(FFTWComplexToComplexFFTImageFilter);

  using Self = FFTWComplexToComplexFFTImageFilter;
  using Superclass = ComplexToComplexFFTImageFilter< TImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  using ImageType = TImage;
  using PixelType = typename ImageType::PixelType;
  using InputImageType = typename Superclass::InputImageType;
  using OutputImageType = typename Superclass::OutputImageType;
  using OutputImageRegionType = typename OutputImageType::RegionType;

  // the proxy type is a wrapper for the fftw API
  // since the proxy is only defined over double and float,
  // trying to use any other pixel type is inoperative, as
  // is trying to use double if only the float FFTW version is
  // configured in, or float if only double is configured.
  //
  using FFTWProxyType = typename fftw::Proxy< typename PixelType::value_type >;

  itkNewMacro(Self);

  itkTypeMacro(FFTWComplexToComplexFFTImageFilter,
               ComplexToComplexFFTImageFilter);

  static constexpr unsigned int ImageDimension = ImageType::ImageDimension;

  using ImageSizeType = typename ImageType::SizeType;

  virtual void SetPlanRigor( const int & value )
  {
#ifndef ITK_USE_CUFFTW
    // use that method to check the value
    FFTWGlobalConfiguration::GetPlanRigorName( value );
#endif
    if( m_PlanRigor != value )
      {
      m_PlanRigor = value;
      this->Modified();
      }
  }
  itkGetConstReferenceMacro( PlanRigor, int );
  void SetPlanRigor( const std::string & name )
  {
#ifndef ITK_USE_CUFFTW
    this->SetPlanRigor( FFTWGlobalConfiguration::GetPlanRigorValue( name ) );
#endif
  }

protected:
  FFTWComplexToComplexFFTImageFilter();
  ~FFTWComplexToComplexFFTImageFilter() override {}

  void UpdateOutputData(DataObject *output) override;

  void BeforeThreadedGenerateData() override;

  void DynamicThreadedGenerateData(const OutputImageRegionType& outputRegionForThread) override;

  void PrintSelf(std::ostream & os, Indent indent) const override;

private:
  bool m_CanUseDestructiveAlgorithm;

  int m_PlanRigor;

};


} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFFTWComplexToComplexFFTImageFilter.hxx"
#endif

#endif //itkFFTWComplexToComplexFFTImageFilter_h