itkLineIterator.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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.txt
 *
 *  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 itkLineIterator_h
#define itkLineIterator_h
 
#include "itkLineConstIterator.h"
 
namespace itk
{
template <typename TImage>
class ITK_TEMPLATE_EXPORT LineIterator : public LineConstIterator<TImage>
{
public:
 
  using Self = LineIterator;
 
  static constexpr unsigned int ImageIteratorDimension = TImage::ImageDimension;
 
  using Superclass = LineConstIterator<TImage>;
 
  using IndexType = typename Superclass::IndexType;
  using OffsetType = typename Superclass::OffsetType;
  using SizeType = typename Superclass::SizeType;
  using RegionType = typename Superclass::RegionType;
  using ImageType = typename Superclass::ImageType;
  using PixelContainer = typename Superclass::PixelContainer;
  using PixelContainerPointer = typename Superclass::PixelContainerPointer;
  using InternalPixelType = typename Superclass::InternalPixelType;
  using PixelType = typename Superclass::PixelType;
  using AccessorType = typename Superclass::AccessorType;
 
  itkTypeMacro(LineIterator, LineConstIterator);
 
  void
  Set(const PixelType & value)
  {
    // Normally, this would just be the following:
    //   m_Image->SetPixel(m_CurrentImageIndex,value);
    // However, we don't want a warning about m_Image being a ConstPointer
    // in the Superclass.
    const_cast<ImageType *>(this->m_Image.GetPointer())->SetPixel(this->m_CurrentImageIndex, value);
  }
 
  const PixelType &
  Value()
  {
    return (this->m_Image->GetPixel(this->m_CurrentImageIndex));
  }
 
  Self &
  operator=(const Self & it);
 
  LineIterator(ImageType * imagePtr, const IndexType & firstIndex, const IndexType & lastIndex);
 
  ~LineIterator() override = default;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkLineIterator.hxx"
#endif
 
#endif