#include <ITKUnaryFunctorFilters/BinaryThresholdImageFilter.h>
#include <cpInstances/Image.h>

#include <itkBinaryThresholdImageFilter.h>

// -------------------------------------------------------------------------
cpPluginsITKUnaryFunctorFilters::BinaryThresholdImageFilter::
BinaryThresholdImageFilter( )
  : Superclass( )
{
  typedef cpInstances::Image _TImage;
  this->_ConfigureInput< _TImage >( "Input", true, false );
  this->_ConfigureOutput< _TImage >( "Output" );

  this->m_Parameters.ConfigureAsReal( "LowerThresholdValue", 0 );
  this->m_Parameters.ConfigureAsReal( "UpperThresholdValue", 1 );
  this->m_Parameters.ConfigureAsUint( "InsideValue", 1 );
  this->m_Parameters.ConfigureAsUint( "OutsideValue", 0 );
}

// -------------------------------------------------------------------------
cpPluginsITKUnaryFunctorFilters::BinaryThresholdImageFilter::
~BinaryThresholdImageFilter( )
{
}

// -------------------------------------------------------------------------
void cpPluginsITKUnaryFunctorFilters::BinaryThresholdImageFilter::
_GenerateData( )
{
  auto o = this->GetInputData( "Input" );
  cpPlugins_Demangle_Image_ScalarPixels_AllDims_1( o, _GD0 )
    this->_Error( "Invalid input image." );
}

// -------------------------------------------------------------------------
template< class _TImage >
void cpPluginsITKUnaryFunctorFilters::BinaryThresholdImageFilter::
_GD0( _TImage* image )
{
  typedef unsigned char _TBin;
  typedef itk::Image< unsigned char, _TImage::ImageDimension > _TBinImage;
  typedef itk::BinaryThresholdImageFilter< _TImage, _TBinImage > _TFilter;
  typedef typename _TImage::PixelType _TPixel;

  // Get parameters
  _TPixel lt = _TPixel( this->m_Parameters.GetReal( "LowerThresholdValue" ) );
  _TPixel ut = _TPixel( this->m_Parameters.GetReal( "UpperThresholdValue" ) );
  _TBin iv  = _TBin( this->m_Parameters.GetUint( "InsideValue" ) );
  _TBin ov = _TBin( this->m_Parameters.GetUint( "OutsideValue" ) );

  // Configure filter
  _TFilter* filter = this->_CreateITK< _TFilter >( );
  filter->SetInput( image );
  filter->SetLowerThreshold( lt );
  filter->SetUpperThreshold( ut );
  filter->SetInsideValue( iv );
  filter->SetOutsideValue( ov );
  filter->Update( );

  // Connect output
  this->GetOutput( "Output" )->SetITK( filter->GetOutput( ) );
}

// eof - $RCSfile$