#include "example_MPRViewer.h"
#include "ui_example_MPRViewer.h"

#include <QMessageBox>
#include <vtkImageData.h>

// -------------------------------------------------------------------------
example_MPRViewer::
example_MPRViewer( int argc, char* argv[], QWidget* parent )
  : Superclass( parent ),
    m_UI( new Ui::example_MPRViewer )
{
  this->m_UI->setupUi( this );

  if( argc < 2 )
  {
    QMessageBox::critical(
      this,
      QMessageBox::tr( "Error" ),
      QMessageBox::tr( "Give some input image(s)." )
      );
    std::exit( 1 );

  } // fi

  // Create reader
  this->m_Interface.GuessAccesiblePlugins( );
  try
  {
    this->m_Reader = this->m_Interface.Create( "IO", "ImageReader" );
    if( this->m_Reader.IsNull( ) )
    {
      QMessageBox::critical(
        this,
        QMessageBox::tr( "Error" ),
        QMessageBox::tr( "\"IO::ImageReader\" creation failed." )
        );
      std::exit( 1 );
      
    } // fi

    // Configure filters
    auto reader_params = this->m_Reader->GetParameters( );
    for( int i = 1; i < argc; ++i )
      reader_params->AddToOpenFileNameList( "FileNames", argv[ i ] );
    this->m_Reader->Update( );
  }
  catch( itk::ExceptionObject& err1 )
  {
    QMessageBox::critical(
      this,
      QMessageBox::tr( "Error" ),
      QMessageBox::tr( err1.GetDescription( ) )
      );
    std::exit( 1 );
  }
  catch( std::exception& err2 )
  {
    QMessageBox::critical(
      this,
      QMessageBox::tr( "Error" ),
      QMessageBox::tr( err2.what( ) )
      );
    std::exit( 1 );

  } // yrt

  this->m_UI->Viewer->SetMainImage(
    this->m_Reader->GetOutputData< vtkImageData >( "Output" )
    );
}

// -------------------------------------------------------------------------
example_MPRViewer::
~example_MPRViewer( )
{
}

// eof - $RCSfile$