#include <cstdlib>
#include <iostream>
#include <string>

#include <itkImage.h>
#include <itkImageFileReader.h>
#include <itkImageFileWriter.h>
#include <itkRGBPixel.h>

#include <cpPlugins/Extensions/Algorithms/LightCompensationFilter.h>

// -------------------------------------------------------------------------
const unsigned int Dim = 2;
typedef itk::RGBPixel< unsigned char > TPixel;
typedef itk::Image< TPixel, Dim >      TImage;

// -------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
  if( argc < 3 )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " input_image output_image"
      << std::endl;
    return( 1 );

  } // fi
  std::string input_image_fn = argv[ 1 ];
  std::string output_image_fn = argv[ 2 ];

  // Read image
  itk::ImageFileReader< TImage >::Pointer input_image_reader =
    itk::ImageFileReader< TImage >::New( );
  input_image_reader->SetFileName( input_image_fn );
  try
  {
    input_image_reader->Update( );
  }
  catch( itk::ExceptionObject& err )
  {
    std::cerr << "Error caught: " << err << std::endl;
    return( 1 );

  } // yrt
  TImage::Pointer input_image = input_image_reader->GetOutput( );

  cpPlugins::Extensions::Algorithms::
    LightCompensationFilter< TImage >::Pointer filter =
    cpPlugins::Extensions::Algorithms::
    LightCompensationFilter< TImage >::New( );
  filter->SetInput( input_image );
  filter->Update( );

  // Write image
  itk::ImageFileWriter< TImage >::Pointer output_image_writer =
    itk::ImageFileWriter< TImage >::New( );
  output_image_writer->SetInput( filter->GetOutput( ) );
  output_image_writer->SetFileName( output_image_fn );
  try
  {
    output_image_writer->Update( );
  }
  catch( itk::ExceptionObject& err )
  {
    std::cerr << "Error caught: " << err << std::endl;
    return( 1 );

  } // yrt

  return( 0 );
}

// eof - $RCSfile$