#include <ImageGenericFilters/CastImageFilter.h>
#include <cpPlugins/DataObjects/Image.h>
#include <cpPlugins/DataObjects/Image_Demanglers.h>

#include <itkCastImageFilter.h>

// -------------------------------------------------------------------------
cpPluginsImageGenericFilters::CastImageFilter::
CastImageFilter( )
  : Superclass( )
{
  typedef cpPlugins::DataObjects::Image _TImage;
  this->_ConfigureInput< _TImage >( "Input", true, false );
  this->_ConfigureOutput< _TImage >( "Output" );
  this->m_Parameters.ConfigureAsScalarTypesChoices( "CastType" );
}

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

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

// -------------------------------------------------------------------------
template< class _TInput >
void cpPluginsImageGenericFilters::CastImageFilter::
_GD0( _TInput* input )
{
  std::string out_res =
    this->m_Parameters.GetSelectedChoice( "CastType" );
#ifdef cpPlugins_CONFIG_INTEGER_TYPES_char
  if( out_res == "char" ) this->_GD1< _TInput, char >( input );
  if( out_res == "uchar" ) this->_GD1< _TInput, unsigned char >( input );
#endif // cpPlugins_CONFIG_INTEGER_TYPES_char
#ifdef cpPlugins_CONFIG_INTEGER_TYPES_short
  if( out_res == "short" ) this->_GD1< _TInput, short >( input );
  if( out_res == "ushort" ) this->_GD1< _TInput, unsigned short >( input );
#endif // cpPlugins_CONFIG_INTEGER_TYPES_short
#ifdef cpPlugins_CONFIG_INTEGER_TYPES_int
  if( out_res == "int" ) this->_GD1< _TInput, int >( input );
  if( out_res == "uint" ) this->_GD1< _TInput, unsigned int >( input );
#endif // cpPlugins_CONFIG_INTEGER_TYPES_int
#ifdef cpPlugins_CONFIG_INTEGER_TYPES_long
  if( out_res == "long" ) this->_GD1< _TInput, long >( input );
  if( out_res == "ulong" ) this->_GD1< _TInput, unsigned long >( input );
#endif // cpPlugins_CONFIG_INTEGER_TYPES_long
#ifdef cpPlugins_CONFIG_REAL_TYPES_float
  if( out_res == "float" ) this->_GD1< _TInput, float >( input );
#endif // cpPlugins_CONFIG_REAL_TYPES_float
#ifdef cpPlugins_CONFIG_REAL_TYPES_double
  if( out_res == "double" ) this->_GD1< _TInput, double >( input );
#endif // cpPlugins_CONFIG_REAL_TYPES_double
}

// -------------------------------------------------------------------------
template< class _TInput, class _TOutputPixel >
void cpPluginsImageGenericFilters::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 - $RCSfile$