lib/cpm/VTK/ThreadedDeformation.hxx

   1 #ifndef __CPM__VTK__THREADEDDEFORMATION__HXX__
   2 #define __CPM__VTK__THREADEDDEFORMATION__HXX__
   3
   4 #include <cpm/VTK/ThreadedDeformationObserver.h>
   5
   6 // -------------------------------------------------------------------------
   7 template< class F >
   8 typename cpm::VTK::ThreadedDeformation< F >::
   9 Self* cpm::VTK::ThreadedDeformation< F >::
  10 New( )
  11 {
  12   return( new Self( ) );
  13 }
  14
  15 // -------------------------------------------------------------------------
  16 template< class F >
  17 void cpm::VTK::ThreadedDeformation< F >::
  18 InitThreadSupport( )
  19 {
  20 #ifdef CPM_VTK_THREADEDDEFORMATION_ON_LINUX
  21   XInitThreads( );
  22 #endif
  23 }
  24
  25 // -------------------------------------------------------------------------
  26 template< class F >
  27 int cpm::VTK::ThreadedDeformation< F >::
  28 ExecuteFilter( F* filter, vtkRenderWindow* window )
  29 {
  30   static _TData data;
  31   data.first = filter;
  32   data.second = window;
  33   return( this->SpawnThread( Self::_Function, &data ) );
  34 }
  35
  36 // -------------------------------------------------------------------------
  37 template< class F >
  38 cpm::VTK::ThreadedDeformation< F >::
  39 ThreadedDeformation( )
  40   : Superclass( )
  41 {
  42 }
  43
  44 // -------------------------------------------------------------------------
  45 template< class F >
  46 cpm::VTK::ThreadedDeformation< F >::
  47 ~ThreadedDeformation( )
  48 {
  49 }
  50
  51 // -------------------------------------------------------------------------
  52 template< class F >
  53 void* cpm::VTK::ThreadedDeformation< F >::
  54 _Function( void* arg )
  55 {
  56   typedef cpm::VTK::ThreadedDeformationObserver< F > _TObserver;
  57   typedef Superclass::ThreadInfo                     _TInfo;
  58   typedef typename F::AllMeshUpdatedEvent            _TEvt;
  59
  60   // Get inputs
  61   _TInfo* info = reinterpret_cast< _TInfo* >( arg );
  62   if( info == NULL )
  63     return( 0 );
  64   _TData* data = reinterpret_cast< _TData* >( info->UserData );
  65   if( data == NULL )
  66     return( 0 );
  67   F* filter = data->first;
  68   vtkRenderWindow* window = data->second;
  69
  70   // Add observers, execute and remove observers
  71   typename _TObserver::Pointer obs = _TObserver::New( );
  72   obs->Configure( window );
  73   unsigned long id = filter->AddObserver( _TEvt( ), obs );
  74   filter->Update( );
  75   filter->RemoveObserver( id );
  76   return( 0 );
  77 }
  78
  79 #endif // __CPM__VTK__THREADEDDEFORMATION__HXX__
  80
  81 // eof - $RCSfile$