itkBSplineDownsampleImageFilter.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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
 *
 *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
 *
 *  For complete copyright, license and disclaimer of warranty information
 *  please refer to the NOTICE file at the top of the ITK source tree.
 *
 *=========================================================================*/
#ifndef itkBSplineDownsampleImageFilter_h
#define itkBSplineDownsampleImageFilter_h
 
// include .h for each ResamplerType
#include "itkBSplineL2ResampleImageFilterBase.h"
#include "itkBSplineCenteredL2ResampleImageFilterBase.h"
 
namespace itk
{
 
//= typename BSplineResampleImageFilterBase<TInputImage, TOutputImage>
template <typename TInputImage,
          typename TOutputImage,
          typename ResamplerType = BSplineResampleImageFilterBase<TInputImage, TOutputImage>>
class ITK_TEMPLATE_EXPORT BSplineDownsampleImageFilter : public ResamplerType
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(BSplineDownsampleImageFilter);

  using Self = BSplineDownsampleImageFilter;
  using Superclass = ResamplerType;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(BSplineDownsampleImageFilter);

  itkNewMacro(Self);

  using typename Superclass::InputImageType;

  using typename Superclass::InputImagePointer;

  using typename Superclass::OutputImagePointer;

  using typename Superclass::OutputImageIterator;

  void
  GenerateOutputInformation() override;

  void
  GenerateInputRequestedRegion() override;
 
  itkConceptMacro(DoubleConvertibleToOutputCheck, (Concept::Convertible<double, typename TOutputImage::PixelType>));
 
protected:
  void
  GenerateData() override;
 
  void
  EnlargeOutputRequestedRegion(DataObject * output) override;
 
  BSplineDownsampleImageFilter() = default;
  ~BSplineDownsampleImageFilter() override = default;
};
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkBSplineDownsampleImageFilter.hxx"
#endif
 
#endif