otbUnaryFunctorVectorImageFilter.hxx

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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 otbUnaryFunctorVectorImageFilter_hxx
#define otbUnaryFunctorVectorImageFilter_hxx
 
#include "otbUnaryFunctorVectorImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkProgressReporter.h"
 
namespace otb
{
 
template <class TInputImage, class TOutputImage, class TFunction>
UnaryFunctorVectorImageFilter<TInputImage, TOutputImage, TFunction>::UnaryFunctorVectorImageFilter()
{
  this->SetNumberOfRequiredInputs(1);
  this->InPlaceOff();
}
 
template <class TInputImage, class TOutputImage, class TFunction>
void UnaryFunctorVectorImageFilter<TInputImage, TOutputImage, TFunction>::GenerateOutputInformation(void)
{
  Superclass::GenerateOutputInformation();
 
  this->GetOutput()->SetNumberOfComponentsPerPixel(this->GetInput()->GetNumberOfComponentsPerPixel());
}
 
template <class TInputImage, class TOutputImage, class TFunction>
void UnaryFunctorVectorImageFilter<TInputImage, TOutputImage, TFunction>::ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                                                                                               itk::ThreadIdType threadId)
{
  InputImageRegionType inputRegionForThread;
  this->CallCopyOutputRegionToInputRegion(inputRegionForThread, outputRegionForThread);
 
  itk::ImageRegionConstIterator<InputImageType> inputIt(this->GetInput(), inputRegionForThread);
  inputIt.GoToBegin();
 
  itk::ImageRegionIterator<OutputImageType> outputIt(this->GetOutput(), outputRegionForThread);
  outputIt.GoToBegin();
 
  // support progress methods/callbacks
  itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
 
  while (!outputIt.IsAtEnd() && !inputIt.IsAtEnd())
  {
    outputIt.Set(m_Functor(inputIt.Get()));
 
    ++inputIt;
    ++outputIt;
 
    progress.CompletedPixel();
  }
}
 
} // end namespace otb
 
#endif