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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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.
*
*=========================================================================*/
#ifndef itkUnaryFrequencyDomainFilter_hxx
#define itkUnaryFrequencyDomainFilter_hxx
#include "itkMath.h"
#include "itkImageAlgorithm.h"
namespace itk
{
template <typename TImageType, typename TFrequencyIterator>
UnaryFrequencyDomainFilter<TImageType, TFrequencyIterator>::UnaryFrequencyDomainFilter()
{
this->InPlaceOff();
this->DynamicMultiThreadingOn();
this->SetFunctor([](FrequencyIteratorType &) {}); // no-op functor
}
template <typename TImageType, typename TFrequencyIterator>
void
UnaryFrequencyDomainFilter<TImageType, TFrequencyIterator>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "ActualXDimensionIsOdd? " << (this->m_ActualXDimensionIsOdd ? "Yes" : "No ") << std::endl;
}
template <typename TImageType, typename TFrequencyIterator>
void
UnaryFrequencyDomainFilter<TImageType, TFrequencyIterator>::DynamicThreadedGenerateData(
const ImageRegionType & outputRegionForThread)
{
m_DynamicThreadedGenerateDataFunction(outputRegionForThread);
}
template <typename TInputImage, typename TFrequencyIterator>
template <typename TFunctor>
void
UnaryFrequencyDomainFilter<TInputImage, TFrequencyIterator>::DynamicThreadedGenerateDataWithFunctor(
const TFunctor & functor,
const ImageRegionType & outputRegionForThread)
{
const ImageType * inputPtr = this->GetInput();
ImageType * outputPtr = this->GetOutput();
// Define the portion of the input to walk for this thread
ImageRegionType inputRegionForThread;
this->CallCopyOutputRegionToInputRegion(inputRegionForThread, outputRegionForThread);
if (!this->GetRunningInPlace())
{
// copy the input pixel to the output
ImageAlgorithm::Copy(inputPtr, outputPtr, inputRegionForThread, outputRegionForThread);
}
FrequencyIteratorType freqIt(outputPtr, outputRegionForThread);
// Only for HalfHermitian Iterator this option changes frequency spacing
freqIt.SetActualXDimensionIsOdd(this->GetActualXDimensionIsOdd());
freqIt.GoToBegin();
while (!freqIt.IsAtEnd())
{
functor(freqIt);
++freqIt;
}
}
} // end namespace itk
#endif // itkUnaryFrequencyDomainFilter_hxx
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