otbDecimateImageFilter.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 * Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
 *
 * 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 otbDecimateImageFilter_h
#define otbDecimateImageFilter_h
 
#include "itkImageToImageFilter.h"
#include "itkImage.h"
 
namespace otb
{
 
template <class TInputImage, class TOutputImage>
class ITK_EXPORT DecimateImageFilter : public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef DecimateImageFilter Self;
  typedef itk::ImageToImageFilter<TInputImage, TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(DecimateImageFilter, ImageToImageFilter);
 
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
 
  typedef TInputImage                         InputImageType;
  typedef typename InputImageType::RegionType InputImageRegionType;
 
  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::PixelType  OutputPixelType;
 
  itkGetMacro(DecimationFactor, unsigned int);
  itkSetMacro(DecimationFactor, unsigned int);
 
protected:
  DecimateImageFilter()
  {
    m_DecimationFactor = 1;
  }
  virtual ~DecimateImageFilter()
  {
  }
 
  virtual void CallCopyOutputRegionToInputRegion(InputImageRegionType& destRegion, const OutputImageRegionType& srcRegion);
  virtual void CallCopyInputRegionToOutputRegion(OutputImageRegionType& destRegion, const InputImageRegionType& srcRegion);
 
  virtual void GenerateOutputInformation();
 
  virtual void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread, itk::ThreadIdType threadId);
 
  virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
 
private:
  DecimateImageFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  unsigned int m_DecimationFactor;
}; // end of class
 
} // end of namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbDecimateImageFilter.hxx"
#endif
 
#endif