appli/examples/plugins/QT/example_MPRViewer/example_MPRViewer.cxx

   1 #include "example_MPRViewer.h"
   2 #include "ui_example_MPRViewer.h"
   3
   4 #include <QMessageBox>
   5 #include <vtkImageData.h>
   6
   7 // -------------------------------------------------------------------------
   8 example_MPRViewer::
   9 example_MPRViewer( int argc, char* argv[], QWidget* parent )
  10   : Superclass( parent ),
  11     m_UI( new Ui::example_MPRViewer )
  12 {
  13   this->m_UI->setupUi( this );
  14
  15   if( argc < 2 )
  16   {
  17     QMessageBox::critical(
  18       this,
  19       QMessageBox::tr( "Error" ),
  20       QMessageBox::tr( "Give some input image(s)." )
  21       );
  22     std::exit( 1 );
  23
  24   } // fi
  25
  26   // Create reader
  27   this->m_Interface.GuessAccesiblePlugins( );
  28   try
  29   {
  30     this->m_Reader = this->m_Interface.Create( "IO", "ImageReader" );
  31     if( this->m_Reader.IsNull( ) )
  32     {
  33       QMessageBox::critical(
  34         this,
  35         QMessageBox::tr( "Error" ),
  36         QMessageBox::tr( "\"IO::ImageReader\" creation failed." )
  37         );
  38       std::exit( 1 );
  39
  40     } // fi
  41
  42     // Configure filters
  43     auto reader_params = this->m_Reader->GetParameters( );
  44     for( int i = 1; i < argc; ++i )
  45       reader_params->AddToOpenFileNameList( "FileNames", argv[ i ] );
  46     this->m_Reader->Update( );
  47   }
  48   catch( itk::ExceptionObject& err1 )
  49   {
  50     QMessageBox::critical(
  51       this,
  52       QMessageBox::tr( "Error" ),
  53       QMessageBox::tr( err1.GetDescription( ) )
  54       );
  55     std::exit( 1 );
  56   }
  57   catch( std::exception& err2 )
  58   {
  59     QMessageBox::critical(
  60       this,
  61       QMessageBox::tr( "Error" ),
  62       QMessageBox::tr( err2.what( ) )
  63       );
  64     std::exit( 1 );
  65
  66   } // yrt
  67
  68   this->m_UI->Viewer->SetMainImage(
  69     this->m_Reader->GetOutputData< vtkImageData >( "Output" )
  70     );
  71 }
  72
  73 // -------------------------------------------------------------------------
  74 example_MPRViewer::
  75 ~example_MPRViewer( )
  76 {
  77 }
  78
  79 // eof - $RCSfile$