#include "BaseFunctions.h"
#include <itkImage.h>
#include <fpa/Image/RegionGrow.h>
#include <fpa/Base/Functors/RegionGrow/BinaryThreshold.h>

// -------------------------------------------------------------------------
const unsigned int Dim = 3;
typedef short         TInputPixel;
typedef unsigned char TOutputPixel;

typedef itk::Image< TInputPixel, Dim >                      TInputImage;
typedef itk::Image< TOutputPixel, Dim >                     TOutputImage;
typedef fpa::Image::RegionGrow< TInputImage, TOutputImage > TFilter;
typedef fpa::Base::Functors::RegionGrow::BinaryThreshold< TInputPixel > TPredicate;

// -------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
  // Get arguments
  if( argc < 8 + Dim )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " input_image output_image output_marks"
      << " lower upper strict [index/point] ..."
      << std::endl;
    return( 1 );

  } // fi
  std::string input_image_filename = argv[ 1 ];
  std::string output_image_filename = argv[ 2 ];
  std::string output_marks_filename = argv[ 3 ];
  TInputPixel lower = TInputPixel( std::atof( argv[ 4 ] ) );
  TInputPixel upper = TInputPixel( std::atof( argv[ 5 ] ) );
  bool strict = ( argv[ 6 ][ 0 ] == '1' );
  std::string seeds_type = argv[ 7 ];

  // Create image
  TInputImage::Pointer input_image;
  std::string err0 =
    fpa::tests::image::Read( input_image, input_image_filename );
  if( err0 != "" ) std::cerr << err0 << std::endl;

  // Prepare predicate
  TPredicate::Pointer predicate = TPredicate::New( );
  predicate->SetLower( lower );
  predicate->SetUpper( upper );
  predicate->SetStrict( strict );

  // Prepare filter
  TFilter::Pointer filter = TFilter::New( );
  filter->SetInput( input_image );
  filter->SetPredicate( predicate );
  filter->SetInsideValue( 255 );
  filter->SetOutsideValue( 0 );

  // Get all seeds
  for( int i = 8; i < argc; i += Dim )
  {
    if( seeds_type == "index" )
    {
      TInputImage::IndexType seed;
      for( unsigned int d = 0; d < Dim; ++d )
        seed[ d ] = std::atoi( argv[ i + d ] );
      filter->AddSeed( seed );
    }
    else
    {
      TInputImage::PointType seed;
      for( unsigned int d = 0; d < Dim; ++d )
        seed[ d ] = std::atof( argv[ i + d ] );
      filter->AddSeed( seed );

    } // fi
  } // rof

  // Execute filter
  filter->Update( );

  // Save results
  std::string err1 =
    fpa::tests::image::Write( filter->GetOutput( ), output_image_filename );
  std::string err2 =
    fpa::tests::image::Write( filter->GetMarks( ), output_marks_filename );
  if( err1 != "" ) std::cerr << err1 << std::endl;
  if( err2 != "" ) std::cerr << err2 << std::endl;

  return( 0 );
}

// eof - $RCSfile$