#include <ITKImageGenericFilters_1/CastImageFilter.h>
#include <cpInstances/DataObjects/Image.h>

#include <itkCastImageFilter.h>

// -------------------------------------------------------------------------
cpPluginsITKImageGenericFilters_1::CastImageFilter::
CastImageFilter( )
  : Superclass( )
{
  this->_ConfigureInput< cpInstances::DataObjects::Image >( "Input", true, false );
  this->_ConfigureOutput< cpInstances::DataObjects::Image >( "Output" );
  this->m_Parameters.ConfigureAsScalarTypesChoices( "OutputPixelType" );
}

// -------------------------------------------------------------------------
cpPluginsITKImageGenericFilters_1::CastImageFilter::
~CastImageFilter( )
{
}

// -------------------------------------------------------------------------
void cpPluginsITKImageGenericFilters_1::CastImageFilter::
_GenerateData( )
{
  auto o = this->GetInputData( "Input" );
  cpPlugins_Demangle_Image_ScalarPixels_AllDims_1( o, _GD0 )
    this->_Error( "Invalid input image." );
}

// -------------------------------------------------------------------------
template< class _TInput >
void cpPluginsITKImageGenericFilters_1::CastImageFilter::
_GD0( _TInput* input )
{
  std::string o_type =
    this->m_Parameters.GetSelectedChoice( "OutputPixelType" );
  if( o_type == "char" )        this->_GD1< _TInput, char >( input );
  else if( o_type == "short" )  this->_GD1< _TInput, short >( input );
  else if( o_type == "int" )    this->_GD1< _TInput, int >( input );
  else if( o_type == "long" )   this->_GD1< _TInput, long >( input );
  else if( o_type == "uchar" )  this->_GD1< _TInput, unsigned char >( input );
  else if( o_type == "ushort" ) this->_GD1< _TInput, unsigned short >( input );
  else if( o_type == "uint" )   this->_GD1< _TInput, unsigned int >( input );
  else if( o_type == "ulong" )  this->_GD1< _TInput, unsigned long >( input );
  else if( o_type == "float" )  this->_GD1< _TInput, float >( input );
  else if( o_type == "double" ) this->_GD1< _TInput, double >( input );
}

// -------------------------------------------------------------------------
template< class _TInput, class _TOutputPixel >
void cpPluginsITKImageGenericFilters_1::CastImageFilter::
_GD1( _TInput* input )
{
  typedef itk::Image< _TOutputPixel, _TInput::ImageDimension > _TOutput;
  typedef itk::CastImageFilter< _TInput, _TOutput > _TFilter;

  auto filter = this->_CreateITK< _TFilter >( );
  filter->SetInput( input );
  filter->Update( );
  this->GetOutput( "Output" )->SetITK( filter->GetOutput( ) );
}

// eof - $RCSfile$