itkExtractOrthogonalSwath2DImageFilter.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
 *
 *         https://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 itkExtractOrthogonalSwath2DImageFilter_h
#define itkExtractOrthogonalSwath2DImageFilter_h
 
#include "itkImageAndPathToImageFilter.h"
#include "itkParametricPath.h"
 
namespace itk
{
template <typename TImage>
class ITK_TEMPLATE_EXPORT ExtractOrthogonalSwath2DImageFilter
  : public ImageAndPathToImageFilter<TImage, ParametricPath<2>, TImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ExtractOrthogonalSwath2DImageFilter);

  using Self = ExtractOrthogonalSwath2DImageFilter;
  using Superclass = ImageAndPathToImageFilter<TImage, ParametricPath<2>, TImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(ExtractOrthogonalSwath2DImageFilter);

  using ImageType = TImage;
  using ImagePointer = typename ImageType::Pointer;
  using ImageConstPointer = typename ImageType::ConstPointer;
  using ImageRegionType = typename ImageType::RegionType;
  using ImageIndexType = typename ImageType::IndexType;
  using ImagePixelType = typename ImageType::PixelType;
  using PathType = ParametricPath<2>;
  using PathConstPointer = PathType::ConstPointer;
  using PathInputType = PathType::InputType;
  using PathOutputType = PathType::OutputType;
  using PathIndexType = PathType::IndexType;
  using PathContinuousIndexType = PathType::ContinuousIndexType;
  using PathOffsetType = PathType::OffsetType;
  using PathVectorType = PathType::VectorType;
  using SizeType = typename ImageType::SizeType;

  static constexpr unsigned int PathDimension = 2;
  static constexpr unsigned int ImageDimension = TImage::ImageDimension;

  virtual void
  SetSpacing(const double * spacing);
 
  virtual void
  SetSpacing(const float * spacing);
 
  [[nodiscard]] virtual const double *
  GetSpacing() const;

  virtual void
  SetOrigin(const double * origin);
 
  virtual void
  SetOrigin(const float * origin);
 
  [[nodiscard]] virtual const double *
  GetOrigin() const;

  itkSetMacro(Size, SizeType);

  itkSetMacro(DefaultPixelValue, ImagePixelType);
 
  //--------------------------------------------------------------------------
  //

  void
  EnlargeOutputRequestedRegion(DataObject * output) override
  {
    output->SetRequestedRegionToLargestPossibleRegion();
  }
 
  //
  //--------------------------------------------------------------------------
 
protected:
  ExtractOrthogonalSwath2DImageFilter()
    : m_DefaultPixelValue(ImagePixelType{})
  {
    m_Size[0] = 512;
    m_Size[1] = 16 * 2 + 1; // must be odd
    m_Origin[0] = m_Origin[1] = 0.0;
    m_Spacing[0] = m_Spacing[1] = 1.0;
  }
 
  ~ExtractOrthogonalSwath2DImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  //--------------------------------------------------------------------------
  //

  void
  GenerateOutputInformation() override;

  void
  GenerateInputRequestedRegion() override
  {
    Superclass::GenerateInputRequestedRegion();
    this->GetNonConstImageInput()->SetRequestedRegionToLargestPossibleRegion();
    this->GetNonConstPathInput()->SetRequestedRegionToLargestPossibleRegion();
  }
 
  void
  GenerateData() override;
 
  //
  //--------------------------------------------------------------------------
 
private:
  ImagePixelType m_DefaultPixelValue{};
  SizeType       m_Size{};
  double         m_Origin[ImageDimension]{};
  double         m_Spacing[ImageDimension]{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkExtractOrthogonalSwath2DImageFilter.hxx"
#endif
 
#endif