text: /*=========================================================================
   *
   *  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.
   *
   *=========================================================================*/
  
  #include "itkImageFileReader.h"
  #include "itkBinaryThinningImageFilter.h"
  #include "itkRescaleIntensityImageFilter.h"
  #include "itkImageFileWriter.h"
  #include "itkTestingMacros.h"
  
  int
  itkBinaryThinningImageFilterTest(int argc, char * argv[])
  {
    if (argc < 3)
    {
      std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
      std::cerr << " inputImageFile outputImageFile";
      std::cerr << std::endl;
      return EXIT_FAILURE;
    }
  
    using InputPixelType = short;
    using OutputPixelType = unsigned char;
  
    using InputImageType = itk::Image<InputPixelType, 2>;
    using OutputImageType = itk::Image<OutputPixelType, 2>;
  
    using ReaderType = itk::ImageFileReader<InputImageType>;
    using ThinningType = itk::BinaryThinningImageFilter<InputImageType, InputImageType>;
    using RescaleType = itk::RescaleIntensityImageFilter<InputImageType, OutputImageType>;
    using WriterType = itk::ImageFileWriter<OutputImageType>;
  
    ReaderType::Pointer   reader = ReaderType::New();
    ThinningType::Pointer thinning = ThinningType::New();
    RescaleType::Pointer  rescaler = RescaleType::New();
    WriterType::Pointer   writer = WriterType::New();
  
    // Set up the reader
    reader->SetFileName(argv[1]);
  
    // Set up the filter parameters.
    thinning->SetInput(reader->GetOutput());
  
    // Rescale the image so that it can be seen.
    rescaler->SetInput(thinning->GetOutput());
    rescaler->SetOutputMinimum(0);
    rescaler->SetOutputMaximum(255);
  
    // Write out the test image
    writer->SetFileName(argv[2]);
    writer->SetInput(rescaler->GetOutput());
    try
    {
      writer->Update();
    }
    catch (const itk::ExceptionObject & excep)
    {
      std::cerr << "Exception caught !" << std::endl;
      std::cerr << excep << std::endl;
      return EXIT_FAILURE;
    }
  
    return EXIT_SUCCESS;
  }
  