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

#include <cpExtensions/Visualization/ImageSliceActors.h>

int main( int argc, char* argv[] )
{
  if( argc < 2 )
  {
    std::cerr << "Usage: " << argv[ 0 ] << " input_image.png" << std::endl;
    return( 1 );

  } // fi

  // Read a test image
  vtkSmartPointer< vtkPNGReader > reader =
    vtkSmartPointer< vtkPNGReader >::New( );
  reader->SetFileName( argv[ 1 ] );
  reader->Update( );

  // Prepate slice objects
  vtkSmartPointer< cpExtensions::Visualization::ImageSliceActors > actors =
    vtkSmartPointer< cpExtensions::Visualization::ImageSliceActors >::New( );
  actors->SetInputConnection( reader->GetOutputPort( ), 2  );

  // Prepare scene
  vtkSmartPointer< vtkRenderer > ren =
    vtkSmartPointer< vtkRenderer >::New( );
  ren->SetBackground( 0, 0, 0 );
  actors->PushInto( ren );

  vtkSmartPointer< vtkRenderWindow > win =
    vtkSmartPointer< vtkRenderWindow >::New( );
  win->AddRenderer( ren );
  win->SetSize( 300, 300 );

  vtkSmartPointer< vtkRenderWindowInteractor > iren =
    vtkSmartPointer< vtkRenderWindowInteractor >::New( );
  iren->SetRenderWindow( win );
  iren->SetInteractorStyle( actors->GetStyle( ) );

  iren->Initialize( );
  ren->ResetCamera( );
  iren->Start( );

  return( 0 );
}

// eof - $RCSfile$