itkPadImageFilterBase.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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 itkPadImageFilterBase_h
#define itkPadImageFilterBase_h

#include "itkImageToImageFilter.h"

#include "itkImageBoundaryCondition.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT PadImageFilterBase:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(PadImageFilterBase);

  using Self = PadImageFilterBase;
  using Superclass = ImageToImageFilter< TInputImage, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  using OutputImageRegionType = typename TOutputImage::RegionType;
  using InputImageRegionType = typename TInputImage::RegionType;

  using OutputImagePixelType = typename TOutputImage::PixelType;
  using InputImagePixelType = typename TInputImage::PixelType;

  using OutputImageIndexType = typename TOutputImage::IndexType;
  using InputImageIndexType = typename TInputImage::IndexType;
  using OutputImageSizeType = typename TOutputImage::SizeType;
  using InputImageSizeType = typename TInputImage::SizeType;
  using SizeType = typename TInputImage::SizeType;
  using SizeValueType = typename TInputImage::SizeValueType;

  using BoundaryConditionType = ImageBoundaryCondition< TInputImage, TOutputImage >;
  using BoundaryConditionPointerType = BoundaryConditionType *;

  itkTypeMacro(PadImageFilterBase, ImageToImageFilter);

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;

  itkSetMacro(BoundaryCondition, BoundaryConditionPointerType);
  itkGetConstMacro(BoundaryCondition, BoundaryConditionPointerType);

protected:
  PadImageFilterBase();
  ~PadImageFilterBase() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateInputRequestedRegion() override;

  void DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;


  void InternalSetBoundaryCondition( const BoundaryConditionPointerType boundaryCondition );

private:
  BoundaryConditionPointerType m_BoundaryCondition;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPadImageFilterBase.hxx"
#endif

#endif