itkAutoCropLabelMapFilter.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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  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 itkAutoCropLabelMapFilter_h
#define itkAutoCropLabelMapFilter_h

#include "itkChangeRegionLabelMapFilter.h"

namespace itk
{
template< typename TInputImage >
class ITK_TEMPLATE_EXPORT AutoCropLabelMapFilter:
  public ChangeRegionLabelMapFilter< TInputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(AutoCropLabelMapFilter);

  using Self = AutoCropLabelMapFilter;
  using Superclass = ChangeRegionLabelMapFilter< TInputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(AutoCropLabelMapFilter, ChangeRegionImageFilter);

  using OutputImageType = typename Superclass::OutputImageType;
  using OutputImagePointer = typename Superclass::OutputImagePointer;
  using OutputImageRegionType = typename Superclass::OutputImageRegionType;
  using OutputImagePixelType = typename Superclass::OutputImagePixelType;

  using InputImageType = TInputImage;
  using InputImagePointer = typename InputImageType::Pointer;
  using InputImageConstPointer = typename InputImageType::ConstPointer;
  using InputImageRegionType = typename InputImageType::RegionType;
  using InputImagePixelType = typename InputImageType::PixelType;
  using LabelObjectType = typename InputImageType::LabelObjectType;

  using PixelType = typename InputImageType::PixelType;
  using IndexType = typename InputImageType::IndexType;
  using SizeType = typename InputImageType::SizeType;
  using RegionType = typename InputImageType::RegionType;

  using TOutputImage = TInputImage;

  static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
  static constexpr unsigned int ImageDimension = TOutputImage::ImageDimension;

  itkSetMacro(CropBorder, SizeType);
  itkGetConstReferenceMacro(CropBorder, SizeType);

protected:
  AutoCropLabelMapFilter();
  ~AutoCropLabelMapFilter() override = default;

  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateOutputInformation() override;

private:
  SizeType  m_CropBorder;
};
} // end namespace itk

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

#endif