itkSampleToSubsampleFilter.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 itkSampleToSubsampleFilter_h
#define itkSampleToSubsampleFilter_h
 
#include "itkSubsample.h"
#include "itkProcessObject.h"
 
namespace itk
{
namespace Statistics
{
 
template <typename TSample>
class ITK_TEMPLATE_EXPORT SampleToSubsampleFilter : public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(SampleToSubsampleFilter);

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

  itkOverrideGetNameOfClassMacro(SampleToSubsampleFilter);

  using SampleType = TSample;
  using MeasurementVectorType = typename SampleType::MeasurementVectorType;
  using MeasurementType = typename SampleType::MeasurementType;
  using InstanceIdentifier = typename SampleType::InstanceIdentifier;

  using SubsampleType = Subsample<SampleType>;
  using OutputType = SubsampleType;

  using Superclass::SetInput;
  virtual void
  SetInput(const SampleType * sample);
 
  virtual const SampleType *
  GetInput() const;

  const OutputType *
  GetOutput() const;
 
protected:
  SampleToSubsampleFilter();
  ~SampleToSubsampleFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;

  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObjectPointer
  MakeOutput(DataObjectPointerArraySizeType idx) override;
 
}; // end of class
} // end of namespace Statistics
} // end of namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkSampleToSubsampleFilter.hxx"
#endif
 
#endif