#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"

#include "itkSignedMaurerParallelDistanceMapImageFilter.h"

int main( int argc, char * argv[])
{
  const unsigned int ImageDimension = 2;

  typedef unsigned int InputPixelType;
  typedef double  OutputPixelType;

  typedef itk::Image<InputPixelType, ImageDimension> InputImageType;
  typedef itk::Image<OutputPixelType, ImageDimension> OutputImageType;

  typedef itk::ImageFileReader<InputImageType> ReaderType;
  typedef itk::ImageFileWriter<OutputImageType> WriterType;
  typedef InputImageType::SizeType InputSizeType;

  ReaderType::Pointer reader = ReaderType::New();
  WriterType::Pointer writer = WriterType::New();

  reader->SetFileName(argv[1]);
  reader->Update();  

  typedef itk::SignedMaurerParallelDistanceMapImageFilter
    <InputImageType, OutputImageType> ParallelMaurerType;

  ParallelMaurerType::Pointer parallelMaurer = ParallelMaurerType::New();

  parallelMaurer->SetInput(reader->GetOutput());
  parallelMaurer->SetSquaredDistance(0);
  parallelMaurer->SetUseImageSpacing(1);
  parallelMaurer->SetInsideIsPositive(0);
  parallelMaurer->SetBinaryConvert(1);
  parallelMaurer->SetForegroundValue(1);
  parallelMaurer->SetSigned(1);

  parallelMaurer->Update();

  writer->SetInput(parallelMaurer->GetOutput());
  writer->SetFileName(argv[2]);

  writer->Update();

  return 0;
};