lib/cpPlugins/Extensions/Visualization/ImageInteractorStyle.h

   1 #ifndef __CPPLUGINS__EXTENSIONS__VISUALIZATION__IMAGEINTERACTORSTYLE__H__
   2 #define __CPPLUGINS__EXTENSIONS__VISUALIZATION__IMAGEINTERACTORSTYLE__H__
   3
   4 #include <vector>
   5
   6 #include <vtkInteractorStyleImage.h>
   7 #include <vtkOrientationMarkerWidget.h>
   8 #include <vtkPropPicker.h>
   9 #include <vtkSmartPointer.h>
  10
  11 #include <cpPlugins/Extensions/cpPlugins_Extensions_Export.h>
  12
  13 // -------------------------------------------------------------------------
  14 #define cpPlugins_ImageInteractorStyle_ObserverMacro( e )               \
  15   inline unsigned long Add##e##Observer( vtkCommand* observer )         \
  16   { return( this->AddObserver( Self::e##Event, observer ) ); }          \
  17   inline void Remove##e##Observer( unsigned long tag )                  \
  18   { this->RemoveObserver( tag ); }                                      \
  19   inline void Remove##e##Observer( vtkCommand* observer )               \
  20   { this->RemoveObserver( observer ); }                                 \
  21   inline void Remove##e##Observers( )                                   \
  22   { this->RemoveObservers( Self::e##Event ); }
  23
  24 namespace cpPlugins
  25 {
  26   namespace Extensions
  27   {
  28     namespace Visualization
  29     {
  30       class ImageSliceActors;
  31       class MPRActors;
  32
  33       /**
  34        */
  35       class cpPlugins_Extensions_EXPORT ImageInteractorStyle
  36         : public vtkInteractorStyleImage
  37       {
  38       public:
  39         typedef ImageInteractorStyle Self;
  40
  41         enum InteractionMode
  42         {
  43           NavigationMode = 0,
  44           DeformationMode
  45         };
  46
  47       public:
  48         vtkTypeMacro( ImageInteractorStyle, vtkInteractorStyleImage );
  49
  50         cpPlugins_ImageInteractorStyle_ObserverMacro( DoubleClick );
  51         cpPlugins_ImageInteractorStyle_ObserverMacro( Cursor );
  52         cpPlugins_ImageInteractorStyle_ObserverMacro( Radius );
  53
  54       public:
  55         static Self* New( );
  56
  57         void Configure(
  58           ImageSliceActors* slice_actors,
  59           MPRActors* mpr_actors = NULL
  60           );
  61         void AssociateInteractor( vtkRenderWindowInteractor* interactor );
  62
  63         void SetModeToNavigation( );
  64         void SetModeToDeformation( );
  65         virtual void SetInteractor(
  66           vtkRenderWindowInteractor* interactor, const int& axis
  67           );
  68
  69         // Description:
  70         // Event bindings controlling the effects of pressing mouse buttons
  71         // or moving the mouse.
  72         virtual void OnMouseMove( );
  73         virtual void OnLeftButtonDown( );
  74         virtual void OnLeftButtonUp( );
  75         virtual void OnMiddleButtonDown( );
  76         virtual void OnMiddleButtonUp( );
  77         virtual void OnRightButtonDown( );
  78         virtual void OnRightButtonUp( );
  79         virtual void OnMouseWheelForward( );
  80         virtual void OnMouseWheelBackward( );
  81
  82         // Description:
  83         // Override the "fly-to" (f keypress) for images.
  84         virtual void OnChar( );
  85
  86         // These methods for the different interactions in different modes
  87         // are overridden in subclasses to perform the correct motion. Since
  88         // they might be called from OnTimer, they do not have mouse coord
  89         // parameters (use interactor's GetEventPosition and
  90         // GetLastEventPosition)
  91
  92         virtual void Rotate( ) { }
  93         virtual void Spin( )   { }
  94         virtual void Zoom( )   { }
  95         virtual void Pick( )   { }
  96         virtual void Slice( )  { }
  97         virtual void WindowLevel( );
  98
  99         // Interaction mode entry points used internally.
 100         virtual void StartPick( )  { }
 101         virtual void EndPick( )    { }
 102         virtual void StartSlice( ) { }
 103         virtual void EndSlice( )   { }
 104         virtual void StartWindowLevel( );
 105         virtual void EndWindowLevel( );
 106
 107         // New events
 108         virtual void StartCursorMoving( );
 109         virtual void EndCursorMoving( );
 110         virtual void StartRadiusMoving( );
 111         virtual void EndRadiusMoving( );
 112
 113       protected:
 114         ImageInteractorStyle( );
 115         virtual ~ImageInteractorStyle( );
 116
 117         void _RenderAssociateInteractors( );
 118         bool _PickPosition( double pos[ 3 ] );
 119         void _UpdateCursor( );
 120         void _UpdateRadius( );
 121
 122       private:
 123         // Purposely not implemented
 124         ImageInteractorStyle( const Self& );
 125         Self& operator=( const Self& );
 126
 127       protected:
 128         Self::InteractionMode Mode;
 129
 130         ImageSliceActors* m_SliceActors;
 131         MPRActors*        m_MPRActors;
 132
 133         vtkSmartPointer< vtkOrientationMarkerWidget > OrientationWidget;
 134         vtkSmartPointer< vtkPropPicker > PropPicker;
 135
 136         std::vector< vtkRenderWindowInteractor* > AssociatedInteractors;
 137
 138         bool CursorMoving;
 139         double Cursor[ 3 ];
 140
 141         bool RadiusMoving;
 142         double Radius[ 3 ];
 143         vtkSmartPointer< vtkPolyData > Circle;
 144         vtkSmartPointer< vtkPolyDataMapper > CircleMapper;
 145         vtkSmartPointer< vtkActor > CircleActor;
 146
 147       public:
 148         static const int CursorEvent;
 149         static const int RadiusEvent;
 150         static const int DoubleClickEvent;
 151       };
 152
 153     } // ecapseman
 154
 155   } // ecapseman
 156
 157 } // ecapseman
 158
 159 #endif // __CPPLUGINS__EXTENSIONS__VISUALIZATION__IMAGEINTERACTORSTYLE__H__
 160
 161 // eof - $RCSfile$