itkPathToImageFilter.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 itkPathToImageFilter_h
#define itkPathToImageFilter_h
 
#include "itkImageSource.h"
#include "itkConceptChecking.h"
 
namespace itk
{
template <typename TInputPath, typename TOutputImage>
class ITK_TEMPLATE_EXPORT PathToImageFilter : public ImageSource<TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(PathToImageFilter);

  using Self = PathToImageFilter;
  using Superclass = ImageSource<TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(PathToImageFilter);

  using typename Superclass::OutputImageRegionType;
  using InputPathType = TInputPath;
  using InputPathPointer = typename InputPathType::Pointer;
  using InputPathConstPointer = typename InputPathType::ConstPointer;
  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;
  using SizeType = typename OutputImageType::SizeType;
  using ValueType = typename OutputImageType::ValueType;

  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;

  using Superclass::SetInput;
  virtual void
  SetInput(const InputPathType * input);
 
  virtual void
  SetInput(unsigned int, const TInputPath * path);
 
  const InputPathType *
  GetInput();
 
  const InputPathType *
  GetInput(unsigned int idx);

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

  itkSetMacro(PathValue, ValueType);
  itkGetConstMacro(PathValue, ValueType);
  itkSetMacro(BackgroundValue, ValueType);
  itkGetConstMacro(BackgroundValue, ValueType);

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

  itkSetMacro(Size, SizeType);
  itkGetConstMacro(Size, SizeType);
 
protected:
  PathToImageFilter();
  ~PathToImageFilter() override = default;
 
  void
  GenerateOutputInformation() override
  {} // do nothing
  void
  GenerateData() override;
 
  SizeType  m_Size{};
  double    m_Spacing[OutputImageDimension]{};
  double    m_Origin[OutputImageDimension]{};
  ValueType m_PathValue{};
  ValueType m_BackgroundValue{};
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkPathToImageFilter.hxx"
#endif
 
#endif