otbLabelizeImageFilterBase.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 otbLabelizeImageFilterBase_h
#define otbLabelizeImageFilterBase_h
 
#include "itkImageToImageFilter.h"
#include "itkAddImageFilter.h"
 
#include "otbThresholdImageToPointSetFilter.h"
#include "otbMultiplyByScalarImageFilter.h"
 
namespace otb
{
template <class TInputImage, class TOutputImage, class TFilter>
class ITK_EXPORT LabelizeImageFilterBase : public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef LabelizeImageFilterBase Self;
  typedef itk::ImageToImageFilter<TInputImage, TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  typedef TInputImage  InputImageType;
  typedef TOutputImage OutputImageType;
 
  typedef typename TInputImage::PixelType  InputPixelType;
  typedef typename TOutputImage::PixelType OutputPixelType;
 
  typedef typename TInputImage::IndexType IndexType;
 
  typedef itk::PointSet<InputPixelType, 2> PointSetType;
  typedef typename PointSetType::Pointer PointSetPointerType;
 
  typedef TFilter                   RegionGrowingFilterType;
  typedef typename TFilter::Pointer RegionGrowingFilterPointerType;
 
  itkNewMacro(Self);
 
  itkTypeMacro(LabelizeImageFilterBase, ImageToImageFilter);
 
  itkGetMacro(LowerThreshold, InputPixelType);
 
  itkSetMacro(LowerThreshold, InputPixelType);
 
  itkGetMacro(UpperThreshold, InputPixelType);
 
  itkSetMacro(UpperThreshold, InputPixelType);
 
  // only set after completion
  //       itkGetConstReferenceMacro(ObjectCount, unsigned long);
  itkGetMacro(ObjectCount, unsigned long);
 
  typedef otb::ThresholdImageToPointSetFilter<InputImageType, PointSetType> ThresholdFilterType;
  typedef typename ThresholdFilterType::Pointer ThresholdFilterPointerType;
 
  typedef otb::MultiplyByScalarImageFilter<InputImageType, OutputImageType> MultiplyFilterType;
  typedef typename MultiplyFilterType::Pointer MultiplyFilterPointerType;
 
  typedef itk::AddImageFilter<OutputImageType, OutputImageType, OutputImageType> AddImageFilterType;
  typedef typename AddImageFilterType::Pointer AddImageFilterPointerType;
 
protected:
  LabelizeImageFilterBase();
  ~LabelizeImageFilterBase() override
  {
  }
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
  void GenerateData() override;
 
  virtual void RegionGrowing(const IndexType itkNotUsed(indexSeed))
  {
  }
 
  RegionGrowingFilterPointerType m_RegionGrowingFilter;
 
  InputPixelType m_LowerThreshold;
 
  InputPixelType m_UpperThreshold;
 
  PointSetPointerType m_PointSet;
 
  MultiplyFilterPointerType m_MultiplyFilter;
 
  ThresholdFilterPointerType m_ThresholdPointSetFilter;
 
  unsigned long m_ObjectCount;
 
private:
  LabelizeImageFilterBase(const Self&) = delete;
  void operator=(const Self&) = delete;
 
}; // end class LabelizeImageFilterBase
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbLabelizeImageFilterBase.hxx"
#endif
 
#endif