text: /*=========================================================================
   *
   *  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.
   *
   *=========================================================================*/
  #include "itkImageFileReader.h"
  #include "itkImageFileWriter.h"
  #include "itkSimpleFilterWatcher.h"
  
  #include "itkLabelImageToLabelMapFilter.h"
  #include "itkLabelSelectionLabelMapFilter.h"
  #include "itkAutoCropLabelMapFilter.h"
  #include "itkLabelMapToLabelImageFilter.h"
  
  #include "itkTestingMacros.h"
  
  int
  itkAutoCropLabelMapFilterTest2(int argc, char * argv[])
  {
  
    if (argc != 6)
    {
      std::cerr << "Missing parameters." << std::endl;
      std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
      std::cerr << " inputLabelImage outputLabelImage1 outputLabelImage2 label1 label2" << std::endl;
      return EXIT_FAILURE;
    }
  
    constexpr unsigned int Dimension = 2;
    using PixelType = unsigned char;
  
    using ImageType = itk::Image<PixelType, Dimension>;
  
    using LabelObjectType = itk::LabelObject<PixelType, Dimension>;
    using LabelMapType = itk::LabelMap<LabelObjectType>;
  
    using ReaderType = itk::ImageFileReader<ImageType>;
    auto reader = ReaderType::New();
    reader->SetFileName(argv[1]);
  
    using ImageToLabelMapFilterType = itk::LabelImageToLabelMapFilter<ImageType, LabelMapType>;
    auto imageToLabelMapFilter = ImageToLabelMapFilterType::New();
    imageToLabelMapFilter->SetInput(reader->GetOutput());
    itk::SimpleFilterWatcher watcher(imageToLabelMapFilter, "LabelImageToLabelMapFilter");
  
    using SelectionType = itk::LabelSelectionLabelMapFilter<LabelMapType>;
    auto select = SelectionType::New();
    select->SetInput(imageToLabelMapFilter->GetOutput());
    itk::SimpleFilterWatcher watcher2(select, "LabelSelectionLabelMapFilter");
  
    using AutoCropLabelMapFilterType = itk::AutoCropLabelMapFilter<LabelMapType>;
    auto autoCropFilter = AutoCropLabelMapFilterType::New();
  
    ITK_EXERCISE_BASIC_OBJECT_METHODS(autoCropFilter, AutoCropLabelMapFilter, ChangeRegionLabelMapFilter);
  
    autoCropFilter->SetInput(select->GetOutput());
    itk::SimpleFilterWatcher watcher3(autoCropFilter, "AutoCropLabelMapFilter");
  
    using LabelMapToLabelImageFilterType = itk::LabelMapToLabelImageFilter<LabelMapType, ImageType>;
    auto labelMapToLabelImageFilter = LabelMapToLabelImageFilterType::New();
    labelMapToLabelImageFilter->SetInput(autoCropFilter->GetOutput());
  
    using WriterType = itk::ImageFileWriter<ImageType>;
    auto writer = WriterType::New();
    writer->SetInput(labelMapToLabelImageFilter->GetOutput());
  
    // First label
    select->SetLabel(std::stoi(argv[4]));
    labelMapToLabelImageFilter->UpdateLargestPossibleRegion();
    writer->SetFileName(argv[2]);
    ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
  
    // Second label
    select->SetLabel(std::stoi(argv[5]));
    labelMapToLabelImageFilter->UpdateLargestPossibleRegion();
    writer->SetFileName(argv[3]);
    ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
  
    return EXIT_SUCCESS;
  }
  