#include <cpExtensions/Config.h>

#ifdef cpExtensions_QT4

#include <cpExtensions/QT/SimpleMPRWidget.h>
#include <cpPlugins/Interface/Workspace.h>

#include <QApplication>
#include <QWidget>
#include <QMainWindow>
#include <QHBoxLayout>

#include <vtkImageData.h>

#endif // cpExtensions_QT4

//----------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
#ifdef cpExtensions_QT4

  // Manage inputs
  if( argc < 2 )
  {
    std::cerr << "Usage: " << argv[ 0 ] << " image_file(s)" << std::endl;
    return( 1 );

  } // fi

  // Create interface
  cpPlugins::Interface::Plugins::Pointer interface =
    cpPlugins::Interface::Plugins::New( );
  try
  {
    interface->LoadEnvironments( );
    interface->GuessPlugins( );
  }
  catch( std::exception& err )
  {
    std::cerr << "Error caught: " << err.what( ) << std::endl;
    return( 1 );

  } // yrt

  // Create workspace
  typedef cpPlugins::Interface::Workspace _TWorkspace;
  _TWorkspace::Pointer ws = _TWorkspace::New( );
  ws->PrintExecutionOn( );

  // Configure reader
  auto reader = ws->CreateFilter( "IO", "ImageReader", "reader" );
  auto params = reader->GetParameters( );
  for( int i = 1; i < argc; ++i )
    params->AddToOpenFileNameList( "FileNames",  argv[ i ] );

  // Execute reader
  try
  {
    reader->Update( );
  }
  catch( std::exception& err )
  {
    std::cerr << "Error caugth: " << err.what( ) << std::endl;
    return( 1 );

  } // yrt

  // Configure viewer
  auto image = reader->GetOutputData< vtkImageData >( "Output" );
  switch( image->GetDataDimension( ) )
  {
  case 2:
  {
    return( 0 );
  }
  break;
  case 3:
  {
    // Qt initialization
    QApplication app( argc, argv );
    QMainWindow wnd;
    wnd.setGeometry( 0, 0, 1024, 768 );

    // Create main widget
    cpExtensions::QT::SimpleMPRWidget view( &wnd );
    view.SetImage( image, "image" );

    // Start application and show data
    wnd.setCentralWidget( &view );
    wnd.show( );

    return( app.exec( ) );
  }
  break;
  default:
  {
    std::cerr << "Unmanaged dimension." << std::endl;
    return( 1 );
  }
  break;
    
  } // hctiws
#else // cpExtensions_QT4
  return( 0 );
#endif // cpExtensions_QT4
}

// eof - $RCSfile$