itkUnaryFunctorImageFilter.h

Go to the documentation of this file.

/*=========================================================================
 *
 *  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.
 *
 *=========================================================================*/
#ifndef itkUnaryFunctorImageFilter_h
#define itkUnaryFunctorImageFilter_h

#include "itkMath.h"
#include "itkInPlaceImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage, typename TFunction >
class ITK_TEMPLATE_EXPORT UnaryFunctorImageFilter:public InPlaceImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(UnaryFunctorImageFilter);

  using Self = UnaryFunctorImageFilter;
  using Superclass = InPlaceImageFilter< TInputImage, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(UnaryFunctorImageFilter, InPlaceImageFilter);

  using FunctorType = TFunction;

  using InputImageType = TInputImage;
  using InputImagePointer = typename    InputImageType::ConstPointer;
  using InputImageRegionType = typename    InputImageType::RegionType;
  using InputImagePixelType = typename    InputImageType::PixelType;

  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename     OutputImageType::Pointer;
  using OutputImageRegionType = typename     OutputImageType::RegionType;
  using OutputImagePixelType = typename     OutputImageType::PixelType;

  FunctorType &       GetFunctor() { return m_Functor; }
  const FunctorType & GetFunctor() const { return m_Functor; }

  void SetFunctor(const FunctorType & functor)
  {
    if ( m_Functor != functor )
      {
      m_Functor = functor;
      this->Modified();
      }
  }

protected:
  UnaryFunctorImageFilter();
  ~UnaryFunctorImageFilter() override = default;

  void GenerateOutputInformation() override;

  void DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;

private:
  FunctorType m_Functor;
};
} // end namespace itk

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

#endif