itkPathSource.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 itkPathSource_h
#define itkPathSource_h
 
#include "itkProcessObject.h"
#include "itkPath.h"
 
namespace itk
{
 
template <typename TOutputPath>
class ITK_TEMPLATE_EXPORT PathSource : public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(PathSource);

  using Self = PathSource;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  using DataObjectPointer = DataObject::Pointer;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(PathSource);

  using OutputPathType = TOutputPath;
  using OutputPathPointer = typename OutputPathType::Pointer;
  using OutputPathInputType = typename OutputPathType::InputType;
  using OutputPathOutputType = typename OutputPathType::OutputType;
  using OutputPathIndexType = typename OutputPathType::IndexType;
  using OutputPathOffsetType = typename OutputPathType::OffsetType;

  OutputPathType *
  GetOutput();
 
  OutputPathType *
  GetOutput(unsigned int idx);

  // just calls GraftNthOutput()
  virtual void
  GraftOutput(OutputPathType * graft);

  virtual void
  GraftNthOutput(unsigned int idx, OutputPathType * graft);

  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObjectPointer
  MakeOutput(DataObjectPointerArraySizeType idx) override;
 
protected:
  PathSource();
  ~PathSource() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  // Inherit the empty ProcessObject::GenerateData()
 
  // Inherit ProcessObject::PrepareOutputs(), which calls Initialize()
  // (Image replaces w/ empty function)
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkPathSource.hxx"
#endif
 
#endif