lib/cpExtensions/QT/MPRInteractionCommand.cxx

   1 #include <cpExtensions/QT/MPRInteractionCommand.h>
   2
   3 #ifdef cpExtensions_QT4
   4
   5 #include <cpExtensions/Interaction/ImageSliceStyle.h>
   6 #include <cpExtensions/Visualization/ImageViewerActors.h>
   7 #include <cpExtensions/QT/ImageWidget.h>
   8 #include <cpExtensions/QT/MPR3DWidget.h>
   9 #include <vtkImageData.h>
  10
  11 // -------------------------------------------------------------------------
  12 cpExtensions::QT::MPRInteractionCommand::
  13 Self* cpExtensions::QT::MPRInteractionCommand::
  14 New( )
  15 {
  16   return( new Self( ) );
  17 }
  18
  19 // -------------------------------------------------------------------------
  20 void cpExtensions::QT::MPRInteractionCommand::
  21 AddWidget( QWidget* w )
  22 {
  23   typedef cpExtensions::QT::ImageWidget _TImageWidget;
  24   typedef cpExtensions::QT::MPR3DWidget _TMPR3DWidget;
  25
  26   auto img = dynamic_cast< _TImageWidget* >( w );
  27   auto ren = dynamic_cast< _TMPR3DWidget* >( w );
  28   if( img != NULL )
  29     this->m_ImageWidgets.insert( img );
  30   else if( ren != NULL )
  31     this->m_MPR3DWidgets.insert( ren );
  32 }
  33
  34 // -------------------------------------------------------------------------
  35 void cpExtensions::QT::MPRInteractionCommand::
  36 Execute( vtkObject* caller, unsigned long evId, void* data )
  37 {
  38   typedef cpExtensions::Interaction::ImageSliceStyle _TStyle;
  39
  40   static const unsigned long _SuperCursor = vtkCommand::UserEvent + 1;
  41   static const unsigned long _Slice = vtkCommand::UserEvent + 2;
  42
  43   // Prepare interaction data
  44   auto* src = dynamic_cast< _TStyle* >( caller );
  45   if( src == NULL || ( evId != _SuperCursor && evId != _Slice ) )
  46     return;
  47   if( evId == _SuperCursor )
  48   {
  49     auto ori = src->GetActors( )->GetOrientation( );
  50     auto img = src->GetActors( )->GetImage( );
  51     auto pos = reinterpret_cast< double* >( data );
  52     int ijk[ 3 ];
  53     double pcoords[ 3 ];
  54     img->ComputeStructuredCoordinates( pos, ijk, pcoords );
  55
  56     for(
  57       auto i = this->m_ImageWidgets.begin( );
  58       i != this->m_ImageWidgets.end( );
  59       ++i
  60       )
  61       if( ( *i )->GetInteractorStyle( ) != src )
  62         ( *i )->SetSliceNumber( ijk[ ( *i )->GetOrientation( ) ] );
  63
  64     for(
  65       auto r = this->m_MPR3DWidgets.begin( );
  66       r != this->m_MPR3DWidgets.end( );
  67       ++r
  68       )
  69       ( *r )->SetSlicesNumbers( ijk[ 0 ], ijk[ 1 ], ijk[ 2 ] );
  70   }
  71   else if( evId == _Slice )
  72   {
  73     auto slice = *( reinterpret_cast< int* >( data ) );
  74     auto ori = src->GetActors( )->GetOrientation( );
  75     for(
  76       auto r = this->m_MPR3DWidgets.begin( );
  77       r != this->m_MPR3DWidgets.end( );
  78       ++r
  79       )
  80       ( *r )->SetSliceNumber( ori, slice );
  81
  82   } // fi
  83 }
  84
  85 // -------------------------------------------------------------------------
  86 cpExtensions::QT::MPRInteractionCommand::
  87 MPRInteractionCommand( )
  88   : Superclass( )
  89 {
  90 }
  91
  92 // -------------------------------------------------------------------------
  93 cpExtensions::QT::MPRInteractionCommand::
  94 ~MPRInteractionCommand( )
  95 {
  96 }
  97
  98 #endif // cpExtensions_QT4
  99
 100 // eof - $RCSfile$