lib/cpExtensions/QT/SimpleMPRWidget.h

   1 #ifndef __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__
   2 #define __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__
   3
   4 #include <cpExtensions/Config.h>
   5
   6 #ifdef cpExtensions_QT4
   7
   8 #include <map>
   9 #include <QWidget>
  10 #include <vtkPolyDataNormals.h>
  11 #include <vtkQuadricLODActor.h>
  12 #include <vtkRenderer.h>
  13 #include <vtkStripper.h>
  14 #include <vtkSmartPointer.h>
  15 #include <cpExtensions/Visualization/ImageSliceActors.h>
  16
  17 #define cpExtensions_MAX_POLYS 65535
  18
  19 // -------------------------------------------------------------------------
  20 class QVTKWidget;
  21
  22 namespace Ui
  23 {
  24   class SimpleMPRWidget;
  25 }
  26
  27 // -------------------------------------------------------------------------
  28 namespace cpExtensions
  29 {
  30   namespace QT
  31   {
  32     /**
  33      */
  34     class cpExtensions_EXPORT SimpleMPRWidget
  35       : public QWidget
  36     {
  37       Q_OBJECT;
  38
  39     public:
  40       typedef SimpleMPRWidget Self;
  41
  42       typedef cpExtensions::Visualization::ImageSliceActors TActors;
  43
  44       /**
  45        */
  46       struct PolyDataActor
  47       {
  48         vtkSmartPointer< vtkPolyData >        Data;
  49         vtkSmartPointer< vtkPolyDataNormals > Normals;
  50         vtkSmartPointer< vtkStripper >        Stripper;
  51         vtkSmartPointer< vtkPolyDataMapper >  Mapper;
  52         vtkSmartPointer< vtkActor >           Actor;
  53
  54         void Configure( vtkPolyData* data )
  55           {
  56             this->Data = data;
  57             double r[ 2 ];
  58             this->Data->GetScalarRange( r );
  59
  60             this->Normals  = vtkSmartPointer< vtkPolyDataNormals >::New( );
  61             this->Stripper = vtkSmartPointer< vtkStripper >::New( );
  62             this->Mapper   = vtkSmartPointer< vtkPolyDataMapper >::New( );
  63             this->Normals->SetInputData( this->Data );
  64             this->Normals->SetFeatureAngle( 60.0 );
  65             this->Stripper->SetInputConnection(
  66               this->Normals->GetOutputPort( )
  67               );
  68             this->Mapper->SetInputConnection(
  69               this->Stripper->GetOutputPort( )
  70               );
  71             this->Mapper->UseLookupTableScalarRangeOff( );
  72             this->Mapper->SetScalarRange( r[ 0 ], r[ 1 ] );
  73
  74             unsigned long nPolys = this->Data->GetNumberOfPolys( );
  75             if( nPolys < cpExtensions_MAX_POLYS )
  76             {
  77               this->Actor = vtkSmartPointer< vtkActor >::New( );
  78               this->Actor->SetMapper( this->Mapper );
  79             }
  80             else
  81             {
  82               vtkSmartPointer< vtkQuadricLODActor > actor =
  83                 vtkSmartPointer< vtkQuadricLODActor >::New( );
  84               actor->SetMapper( this->Mapper );
  85               actor->DeferLODConstructionOff( );
  86               this->Actor = actor.GetPointer( );
  87
  88             } // fi
  89           }
  90       };
  91
  92     public:
  93       explicit SimpleMPRWidget( QWidget* parent = 0 );
  94       virtual ~SimpleMPRWidget( );
  95
  96       // Data management
  97       void Clear( );
  98       void SetMainImage( vtkImageData* image );
  99       void AddMesh( vtkPolyData* mesh );
 100
 101       // Visual objects
 102       vtkRenderWindowInteractor* GetInteractor( unsigned int i );
 103       vtkRenderer* GetRenderer( unsigned int i );
 104       std::vector< std::pair< vtkImageActor*, vtkRenderer* > >
 105         GetMainImageActors( );
 106       vtkActor* GetActor( vtkPolyData* mesh );
 107
 108     private slots:
 109       void _SyncBottom( int a, int b );
 110       void _SyncTop( int a, int b );
 111
 112     protected:
 113       Ui::SimpleMPRWidget* m_UI;
 114       QVTKWidget*          m_VTK[ 4 ];
 115
 116       vtkSmartPointer< vtkRenderer > m_Renderers[ 4 ];
 117       vtkSmartPointer< TActors >     m_2DSlices[ 3 ];
 118       vtkSmartPointer< TActors >     m_3DSlices[ 3 ];
 119
 120       std::map< vtkPolyData*, PolyDataActor > m_PolyDatas;
 121     };
 122
 123   } // ecapseman
 124
 125 } // ecapseman
 126
 127 #endif // cpExtensions_QT4
 128
 129 #endif // __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__
 130
 131 // eof - $RCSfile$