itkUnaryGeneratorImageFilter.h

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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 itkUnaryGeneratorImageFilter_h
#define itkUnaryGeneratorImageFilter_h
 
#include "itkMath.h"
#include "itkInPlaceImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
 
#include <functional>
 
namespace itk
{
 
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT UnaryGeneratorImageFilter : public InPlaceImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(UnaryGeneratorImageFilter);
 
  using Self = UnaryGeneratorImageFilter;
  using Superclass = InPlaceImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(UnaryGeneratorImageFilter);
 
  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;
 
  using ConstRefFunctionType = OutputImagePixelType(const InputImagePixelType &);
  using ValueFunctionType = OutputImagePixelType(InputImagePixelType);
 
 
#if !defined(ITK_WRAPPING_PARSER)
  void
  SetFunctor(const std::function<ConstRefFunctionType> & f)
  {
    m_DynamicThreadedGenerateDataFunction = [this, f](const OutputImageRegionType & outputRegionForThread) {
      return this->DynamicThreadedGenerateDataWithFunctor(f, outputRegionForThread);
    };
    this->Modified();
  }
  void
  SetFunctor(const std::function<ValueFunctionType> & f)
  {
    m_DynamicThreadedGenerateDataFunction = [this, f](const OutputImageRegionType & outputRegionForThread) {
      return this->DynamicThreadedGenerateDataWithFunctor(f, outputRegionForThread);
    };
 
    this->Modified();
  }
 
 
  void
  SetFunctor(ConstRefFunctionType * funcPointer)
  {
    m_DynamicThreadedGenerateDataFunction = [this, funcPointer](const OutputImageRegionType & outputRegionForThread) {
      return this->DynamicThreadedGenerateDataWithFunctor(funcPointer, outputRegionForThread);
    };
    this->Modified();
  }
  void
  SetFunctor(ValueFunctionType * funcPointer)
  {
    m_DynamicThreadedGenerateDataFunction = [this, funcPointer](const OutputImageRegionType & outputRegionForThread) {
      return this->DynamicThreadedGenerateDataWithFunctor(funcPointer, outputRegionForThread);
    };
 
    this->Modified();
  }
 
 
  template <typename TFunctor>
  void
  SetFunctor(const TFunctor & functor)
  {
    m_DynamicThreadedGenerateDataFunction = [this, functor](const OutputImageRegionType & outputRegionForThread) {
      return this->DynamicThreadedGenerateDataWithFunctor(functor, outputRegionForThread);
    };
    this->Modified();
  }
#endif // !defined( ITK_WRAPPING_PARSER )
 
protected:
  UnaryGeneratorImageFilter();
  ~UnaryGeneratorImageFilter() override = default;
 
  void
  GenerateOutputInformation() override;
 
 
  template <typename TFunctor>
  void
  DynamicThreadedGenerateDataWithFunctor(const TFunctor &, const OutputImageRegionType & outputRegionForThread);
  void
  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
private:
  std::function<void(const OutputImageRegionType &)> m_DynamicThreadedGenerateDataFunction{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkUnaryGeneratorImageFilter.hxx"
#endif
 
#endif