]> Creatis software - cpPlugins.git/blobdiff - plugins/VTKWidgets/SeedWidget.cxx
yet another refactoring
[cpPlugins.git] / plugins / VTKWidgets / SeedWidget.cxx
diff --git a/plugins/VTKWidgets/SeedWidget.cxx b/plugins/VTKWidgets/SeedWidget.cxx
new file mode 100644 (file)
index 0000000..d0db73e
--- /dev/null
@@ -0,0 +1,380 @@
+#include <VTKWidgets/SeedWidget.h>
+
+#include <cpPlugins/OS/String.h>
+#include <cpInstances/DataObjects/Image.h>
+#include <cpInstances/DataObjects/Mesh.h>
+
+#include <cpExtensions/Interaction/SeedWidget.h>
+#include <cpExtensions/Interaction/ImageSlicePointPlacer.h>
+#include <cpExtensions/Visualization/WindowLevelImageActor.h>
+
+#include <vtkHandleWidget.h>
+#include <vtkImageData.h>
+#include <vtkPlane.h>
+#include <vtkPointHandleRepresentation3D.h>
+#include <vtkProperty.h>
+#include <vtkRendererCollection.h>
+#include <vtkRenderWindow.h>
+#include <vtkSeedRepresentation.h>
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::
+Clear( )
+{
+}
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::
+SetEnabled( bool v )
+{
+  for( auto w = this->m_Widgets.begin( ); w != this->m_Widgets.end( ); ++w )
+  {
+    if( v ) w->second->RestartInteraction( );
+    else    w->second->CompleteInteraction( );
+    w->second->SetEnabled( v );
+    w->second->Render( );
+
+  } // rof
+}
+
+// -------------------------------------------------------------------------
+bool cpPluginsVTKWidgets::SeedWidget::
+GetEnabled( ) const
+{
+  if( this->m_Widgets.size( ) > 0 )
+  {
+    auto i = this->m_Widgets.begin( );
+    TWidget* w = const_cast< TWidget* >( i->second.GetPointer( ) );
+    return( w->GetEnabled( ) != 0 );
+  }
+  else
+    return( false );
+}
+
+// -------------------------------------------------------------------------
+cpPluginsVTKWidgets::SeedWidget::
+SeedWidget( )
+  : Superclass( )
+{
+  typedef cpPlugins::Pipeline::DataObject _TData;
+  typedef cpInstances::DataObjects::Mesh       _TMesh;
+
+  // Create ports
+  this->_ConfigureInput< _TData >( "Input", false, false );
+  this->_ConfigureOutput< _TMesh >( "Output" );
+
+  // Create output data
+  auto out = this->_CreateVTK< vtkPolyData >( );
+  out->SetPoints( vtkSmartPointer< vtkPoints >::New( ) );
+  out->SetVerts( vtkSmartPointer< vtkCellArray >::New( ) );
+  out->SetLines( vtkSmartPointer< vtkCellArray >::New( ) );
+  out->SetPolys( vtkSmartPointer< vtkCellArray >::New( ) );
+  out->SetStrips( vtkSmartPointer< vtkCellArray >::New( ) );
+  this->GetOutput( "Output" )->SetVTK( out );
+}
+
+// -------------------------------------------------------------------------
+cpPluginsVTKWidgets::SeedWidget::
+~SeedWidget( )
+{
+  /* TODO
+     for( auto w = this->m_Widgets.begin( ); w != this->m_Widgets.end( ); ++w )
+     w->second->EnabledOff( );
+     this->m_Widgets.clear( );
+  */
+}
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::
+_GenerateData( )
+{
+  auto image = this->GetInputData< vtkImageData >( "Input" );
+  if( image != NULL )
+    this->_GD0_Image( image );
+  else
+    this->_Error( "Invalid input image." );
+}
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::
+_GD0_Image( vtkImageData* image )
+{
+  auto seeds = this->GetOutputData< vtkPolyData >( "Output" );
+  if( this->m_Widgets.size( ) == 0 )
+  {
+    this->m_Command = vtkSmartPointer< TCallback >::New( );
+    this->m_Command->SetSeeds( seeds );
+    for(
+      auto inIt = this->m_Interactors.begin( );
+      inIt != this->m_Interactors.end( );
+      ++inIt
+      )
+    {
+      auto rends = ( *inIt )->GetRenderWindow( )->GetRenderers( );
+      std::set< TImageActor* > all_props;
+      if( rends != NULL )
+      {
+        rends->InitTraversal( );
+        while( vtkRenderer* ren = rends->GetNextItem( ) )
+        {
+          auto props = ren->GetViewProps( );
+          props->InitTraversal( );
+          while( vtkProp* p = props->GetNextProp( ) )
+          {
+            auto image_actor = dynamic_cast< TImageActor* >( p );
+            if( image_actor != NULL )
+            {
+              if( image_actor->GetImage( ) == image )
+                all_props.insert( image_actor );
+
+            } // fi
+
+          } // elihw
+
+        } // elihw
+
+      } // fi
+      if( all_props.size( ) == 1 )
+      {
+        if( this->m_Widgets.find( *inIt ) == this->m_Widgets.end( ) )
+        {
+          auto act = *( all_props.begin( ) );
+          auto pla = vtkSmartPointer< TPlacer >::New( );
+          auto hnd = vtkSmartPointer< THandleRep >::New( );
+          auto rep = vtkSmartPointer< TSeedRep >::New( );
+          auto wdg = vtkSmartPointer< TWidget >::New( );
+
+          pla->SetImageSlice( act );
+          hnd->GetProperty( )->SetColor( 1, 0, 0 );
+          hnd->SetPointPlacer( pla );
+          rep->SetHandleRepresentation( hnd );
+          wdg->SetRepresentation( rep );
+          wdg->SetInteractor( *inIt );
+          act->AddObserver( vtkCommand::InteractionEvent, this->m_Command );
+          wdg->AddObserver( vtkCommand::PlacePointEvent, this->m_Command );
+          wdg->AddObserver( vtkCommand::CursorChangedEvent, this->m_Command );
+          this->m_Widgets[ *inIt ] = wdg;
+
+        } // fi
+
+      } // fi
+
+    } // rof
+
+    // Associate input text
+    std::string text = this->m_Parameters.GetString( "Text" );
+    std::vector< std::string > tok1, tok2;
+    tok1 = cpPlugins::OS::String::Tokenize( text, "#" );
+    if( tok1.size( ) > seeds->GetPoints( )->GetNumberOfPoints( ) )
+    {
+      for( auto t1 = tok1.begin( ); t1 != tok1.end( ); ++t1 )
+      {
+        if( *t1 != "" )
+        {
+          tok2 = cpPlugins::OS::String::Tokenize( *t1, " " );
+          double x[ 3 ];
+          for( unsigned int d = 0; d < 3; ++d )
+          {
+            if( d < tok2.size( ) )
+            {
+              std::istringstream str( tok2[ d ] );
+              str >> x[ d ];
+            }
+            else
+              x[ d ] = double( 0 );
+
+          } // rof
+
+          seeds->GetPoints( )->InsertNextPoint( x );
+          seeds->GetVerts( )->InsertNextCell( 1 );
+          seeds->GetVerts( )->InsertCellPoint(
+            seeds->GetPoints( )->GetNumberOfPoints( ) - 1
+            );
+          seeds->Modified( );
+
+        } // fi
+
+      } // rof
+
+    } // fi
+  }
+  else
+  {
+    double x[ 3 ];
+    std::stringstream text;
+    for( long i = 0; i < seeds->GetNumberOfPoints( ); ++i )
+    {
+      seeds->GetPoint( i, x );
+      text << x[ 0 ] << " " << x[ 1 ] << " " << x[ 2 ] << "#";
+
+    } // rof
+    this->m_Parameters.SetString( "Text", text.str( ) );
+
+  } // fi
+}
+
+// -------------------------------------------------------------------------
+cpPluginsVTKWidgets::SeedWidget::TCallback*
+cpPluginsVTKWidgets::SeedWidget::TCallback::
+New( )
+{
+  return( new TCallback );
+}
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::TCallback::
+Execute( vtkObject* caller, unsigned long id, void* data )
+{
+  static const double EPS = 1e-5;
+  auto src_act = dynamic_cast< TImageActor* >( caller );
+  auto src_wdg = dynamic_cast< TWidget* >( caller );
+
+  if( id == vtkCommand::InteractionEvent && src_act != NULL )
+  {
+    TWidget* widget = NULL;
+    TSeedRep* seed_rep = NULL;
+
+    auto w = this->m_Widgets.begin( );
+    while( w != this->m_Widgets.end( ) && widget == NULL )
+    {
+      auto rep =
+        dynamic_cast< vtkSeedRepresentation* >(
+          ( *w )->GetRepresentation( )
+          );
+      if( rep != NULL )
+      {
+        auto hnd = rep->GetHandleRepresentation( );
+        if( hnd != NULL )
+        {
+          auto pla =
+            dynamic_cast< SeedWidget::TPlacer* >(
+              hnd->GetPointPlacer( )
+              );
+          if( pla != NULL )
+          {
+            auto act = pla->GetImageSlice( );
+            if( act == src_act )
+            {
+              widget = *w;
+              seed_rep = rep;
+
+            } // fi
+
+          } // fi
+
+        } // fi
+
+      } // fi
+      w++;
+
+    } // elihw
+
+    if( widget != NULL )
+    {
+      // Cut through given seeds
+      auto plane = src_act->GetSlicePlane( );
+      double x[ 3 ];
+      std::vector< long > ids;
+      for( long i = 0; i < this->m_Seeds->GetNumberOfPoints( ); ++i )
+      {
+        this->m_Seeds->GetPoint( i, x );
+        double d = plane->DistanceToPlane( x );
+        if( d <= EPS )
+          ids.push_back( i );
+
+      } // rof
+
+      // Erase seeds
+      widget->CompleteInteraction( );
+      widget->EnabledOff( );
+      int nSeeds = seed_rep->GetNumberOfSeeds ();
+      for( int i = 0; i < nSeeds; ++i )
+      {
+        seed_rep->RemoveLastHandle( );
+        widget->DeleteSeed( seed_rep->GetNumberOfSeeds( ) );
+
+      } // rof
+
+      if( ids.size( ) > 0 )
+      {
+        auto ren = widget->GetInteractor( )->FindPokedRenderer(
+          widget->GetInteractor( )->GetEventPosition( )[ 0 ],
+          widget->GetInteractor( )->GetEventPosition( )[ 1 ]
+          );
+
+        // Add seeds
+        seed_rep->BuildRepresentation( );
+        for( auto id = ids.begin( ); id != ids.end( ); ++id )
+        {
+          this->m_Seeds->GetPoint( *id, x );
+          widget->ComputeWorldToDisplay(
+            ren, x[ 0 ], x[ 1 ], x[ 2 ], x
+            );
+          x[ 2 ] = double( 0 );
+          int s = seed_rep->CreateHandle( x );
+          vtkHandleWidget* curr_hnd = widget->CreateNewHandle( );
+          seed_rep->SetSeedDisplayPosition( s, x );
+          curr_hnd->SetEnabled( 1 );
+
+        } // rof
+
+      } // fi
+
+      // Reactivate widget
+      widget->RestartInteraction( );
+      widget->EnabledOn( );
+      widget->Render( );
+
+    } // fi
+  }
+  else if( id == vtkCommand::PlacePointEvent && src_wdg != NULL )
+  {
+    this->m_Widgets.insert( src_wdg );
+    auto rep =
+      dynamic_cast< vtkSeedRepresentation* >(
+        src_wdg->GetRepresentation( )
+        );
+    if( rep != NULL )
+    {
+      unsigned long nSeeds = rep->GetNumberOfSeeds( );
+      if( nSeeds > 0 )
+      {
+        double pos[ 3 ];
+        rep->GetSeedWorldPosition( nSeeds - 1, pos );
+
+        this->m_Seeds->GetPoints( )->InsertNextPoint( pos );
+        this->m_Seeds->GetVerts( )->InsertNextCell( 1 );
+        this->m_Seeds->GetVerts( )->InsertCellPoint(
+          this->m_Seeds->GetPoints( )->GetNumberOfPoints( ) - 1
+          );
+        this->m_Seeds->Modified( );
+
+      } // fi
+
+    } // fi
+
+  } // fi
+}
+
+// -------------------------------------------------------------------------
+void cpPluginsVTKWidgets::SeedWidget::TCallback::
+SetSeeds( vtkPolyData* seeds )
+{
+  this->m_Seeds = seeds;
+}
+
+// -------------------------------------------------------------------------
+cpPluginsVTKWidgets::SeedWidget::TCallback::
+TCallback( )
+  : vtkCommand( ),
+    m_Seeds( NULL )
+{
+}
+
+// -------------------------------------------------------------------------
+cpPluginsVTKWidgets::SeedWidget::TCallback::
+~TCallback( )
+{
+}
+
+// eof - $RCSfile$