otbLabelMapFeaturesFunctorImageFilter.h

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/*
 * Copyright (C) 1999-2011 Insight Software Consortium
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 otbLabelMapFeaturesFunctorImageFilter_h
#define otbLabelMapFeaturesFunctorImageFilter_h
 
#include "itkInPlaceLabelMapFilter.h"
 
namespace otb
{
 
template <class TImage, class TFunctor>
class ITK_EXPORT LabelMapFeaturesFunctorImageFilter : public itk::InPlaceLabelMapFilter<TImage>
{
public:
  typedef LabelMapFeaturesFunctorImageFilter Self;
  typedef itk::InPlaceLabelMapFilter<TImage> Superclass;
  typedef itk::SmartPointer<Self>            Pointer;
  typedef itk::SmartPointer<const Self>      ConstPointer;
 
  typedef TImage                              ImageType;
  typedef typename ImageType::LabelObjectType LabelObjectType;
  typedef TFunctor                            FunctorType;
 
  itkStaticConstMacro(ImageDimension, unsigned int, TImage::ImageDimension);
 
  itkTypeMacro(LabelMapFeaturesFunctorImageFilter, InPlaceLabelMapFilter);
 
  void SetFunctor(FunctorType& functor)
  {
    if (m_Functor != functor)
    {
      m_Functor = functor;
      this->Modified();
    }
  }
 
  const FunctorType& GetFunctor() const
  {
    return m_Functor;
  }
 
  FunctorType& GetFunctor()
  {
    return m_Functor;
  }
 
protected:
  LabelMapFeaturesFunctorImageFilter() : m_Functor()
  {
  }
 
  ~LabelMapFeaturesFunctorImageFilter() override
  {
  }
 
  void ThreadedProcessLabelObject(LabelObjectType* labelObject) override
  {
    // Call the functor
    m_Functor(labelObject);
  }
 
  void PrintSelf(std::ostream& os, itk::Indent indent) const override
  {
    // Call superclass implementation
    Superclass::PrintSelf(os, indent);
  }
 
private:
  LabelMapFeaturesFunctorImageFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  FunctorType m_Functor;
 
}; // end of class
 
} // end namespace otb
 
#endif