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

#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>

#include <cpPlugins/Interface/Plugins.h>
#include <cpPlugins/Interface/Image.h>

#include <cpExtensions/Visualization/ImageSliceActors.h>

// -------------------------------------------------------------------------
typedef cpPlugins::Interface::Plugins                 TPlugins;
typedef cpPlugins::Interface::Image                   TImage;
typedef cpExtensions::Visualization::ImageSliceActors TSliceActors;

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

  } // fi

  // Load plugins
  cpPlugins::Interface::Plugins plugins;
  if( !plugins.LoadPluginsPath( argv[ 1 ] ) )
  {
    std::cerr << "Failed to load plugins." << std::endl;
    return( 1 );

  } // fi

  // Associate filenames
  std::vector< std::string > fnames;
  for( int i = 2; i < argc; ++i )
    fnames.push_back( argv[ i ] );
  
  // Read image
  std::string name = "";
  try
  {
    name = plugins.ReadImage( fnames, "" );
  }
  catch( std::exception& err )
  {
    std::cerr << err.what( ) << std::endl;
    return( 1 );

  } // yrt
  TImage* image = plugins.GetData< TImage >( name );

  // Configure visualization objects
  vtkSmartPointer< vtkRenderer > renderer =
    vtkSmartPointer< vtkRenderer >::New( );
  renderer->SetBackground( 0.1, 0.3, 0.5 );

  vtkSmartPointer< vtkRenderWindow > window =
    vtkSmartPointer< vtkRenderWindow >::New( );
  window->AddRenderer( renderer );
  window->SetSize( 600, 600 );

  // Set up the interaction
  vtkSmartPointer< vtkRenderWindowInteractor > interactor =
    vtkSmartPointer< vtkRenderWindowInteractor >::New( );
  window->SetInteractor( interactor );

  // Create slice actors
  vtkSmartPointer< TSliceActors > image_actors =
    vtkSmartPointer< TSliceActors >::New( );
  image_actors->AddInputData( image->GetVTK< vtkImageData >( ) );
  image_actors->SetAxis( 2 );
  image_actors->PushActorsInto( window );

  // Activate seed widget
  if( argc == 4 )
  {
    TSliceActors::TStyle* style =
      dynamic_cast< TSliceActors::TStyle* >( image_actors->GetStyle( ) );
    if( style != NULL )
    {
      if( std::string( argv[ 3 ] ) == std::string( "seed" ) )
        style->SeedWidgetOn( );

    } // fi

  } // fi

  // Begin interaction
  image_actors->ResetCamera( );
  window->Render( );
  interactor->Start( );

  return( 0 );
}

// eof - $RCSfile$