otbInPlacePassFilter.h

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/*
 * 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 otbInPlacePassFilter_h
#define otbInPlacePassFilter_h
 
#include "itkInPlaceImageFilter.h"
#include "otbImage.h"
#include "itkImageRegionIterator.h"
 
namespace otb
{
 
template <class TInputImage>
class ITK_EXPORT InPlacePassFilter : public itk::InPlaceImageFilter<TInputImage, TInputImage>
{
public:
  typedef TInputImage InputImageType;
 
  typedef InPlacePassFilter Self;
  typedef itk::InPlaceImageFilter<InputImageType, InputImageType> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(InPlacePassFilter, InPlaceImageFilter);
 
protected:
  InPlacePassFilter()
  {
    this->InPlaceOn();
  }
 
  ~InPlacePassFilter() override
  {
  }
 
  void ThreadedGenerateData(const typename InputImageType::RegionType& outputRegionForThread, itk::ThreadIdType itkNotUsed(threadId)) override
  {
    typename InputImageType::ConstPointer         input(this->GetInput());
    typename InputImageType::Pointer              output(this->GetOutput());
    itk::ImageRegionConstIterator<InputImageType> it(input, outputRegionForThread);
    itk::ImageRegionIterator<InputImageType>      oit(output, outputRegionForThread);
    for (oit.GoToBegin(), it.GoToBegin(); !oit.IsAtEnd() || !it.IsAtEnd(); ++it, ++oit)
    {
      oit.Set(it.Get());
    }
  }
 
private:
  InPlacePassFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
};
 
} // End namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#endif
 
#endif