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 /* TODO
  12    #include <vtkInteractorStyleImage.h>
  13    #include <vtkLineWidget2.h>
  14    #include <vtkLineRepresentation.h>
  15    #include <vtkPlane.h>
  16    class vtkImageData;
  17 */
  18
  19 // -------------------------------------------------------------------------
  20 #define cpPlugins_ImageInteractorStyle_ObserverMacro( e )               \
  21   inline unsigned long Add##e##Observer( vtkCommand* observer )         \
  22   { return( this->AddObserver( Self::e##Event, observer ) ); }          \
  23   inline void Remove##e##Observer( unsigned long tag )                  \
  24   { this->RemoveObserver( tag ); }                                      \
  25   inline void Remove##e##Observer( vtkCommand* observer )               \
  26   { this->RemoveObserver( observer ); }                                 \
  27   inline void Remove##e##Observers( )                                   \
  28   { this->RemoveObservers( Self::e##Event ); }
  29
  30 namespace cpPlugins
  31 {
  32   namespace Extensions
  33   {
  34     namespace Visualization
  35     {
  36       class ImageSliceActors;
  37       class MPRActors;
  38
  39       /**
  40        */
  41       class ImageInteractorStyle
  42         : public vtkInteractorStyleImage
  43       {
  44       public:
  45         typedef ImageInteractorStyle Self;
  46
  47         enum InteractionMode
  48         {
  49           NavigationMode = 0,
  50           DeformationMode
  51         };
  52
  53       public:
  54         vtkTypeMacro( ImageInteractorStyle, vtkInteractorStyleImage );
  55
  56         cpPlugins_ImageInteractorStyle_ObserverMacro( DoubleClick );
  57         cpPlugins_ImageInteractorStyle_ObserverMacro( Cursor );
  58         cpPlugins_ImageInteractorStyle_ObserverMacro( Radius );
  59
  60       public:
  61         static Self* New( );
  62
  63         void Configure(
  64           ImageSliceActors* slice_actors,
  65           MPRActors* mpr_actors = NULL
  66           );
  67         void AssociateInteractor( vtkRenderWindowInteractor* interactor );
  68
  69         void SetModeToNavigation( );
  70         void SetModeToDeformation( );
  71         virtual void SetInteractor(
  72           vtkRenderWindowInteractor* interactor, const int& axis
  73           );
  74
  75         // Description:
  76         // Event bindings controlling the effects of pressing mouse buttons
  77         // or moving the mouse.
  78         virtual void OnMouseMove( );
  79         virtual void OnLeftButtonDown( );
  80         virtual void OnLeftButtonUp( );
  81         virtual void OnMiddleButtonDown( );
  82         virtual void OnMiddleButtonUp( );
  83         virtual void OnRightButtonDown( );
  84         virtual void OnRightButtonUp( );
  85         virtual void OnMouseWheelForward( );
  86         virtual void OnMouseWheelBackward( );
  87
  88         // Description:
  89         // Override the "fly-to" (f keypress) for images.
  90         virtual void OnChar( );
  91
  92         // These methods for the different interactions in different modes
  93         // are overridden in subclasses to perform the correct motion. Since
  94         // they might be called from OnTimer, they do not have mouse coord
  95         // parameters (use interactor's GetEventPosition and
  96         // GetLastEventPosition)
  97
  98         virtual void Rotate( ) { }
  99         virtual void Spin( )   { }
 100         virtual void Zoom( )   { }
 101         virtual void Pick( )   { }
 102         virtual void Slice( )  { }
 103         virtual void WindowLevel( );
 104
 105         // Interaction mode entry points used internally.
 106         virtual void StartPick( )  { }
 107         virtual void EndPick( )    { }
 108         virtual void StartSlice( ) { }
 109         virtual void EndSlice( )   { }
 110         virtual void StartWindowLevel( );
 111         virtual void EndWindowLevel( );
 112
 113         // New events
 114         virtual void StartCursorMoving( );
 115         virtual void EndCursorMoving( );
 116         virtual void StartRadiusMoving( );
 117         virtual void EndRadiusMoving( );
 118
 119       protected:
 120         ImageInteractorStyle( );
 121         virtual ~ImageInteractorStyle( );
 122
 123         void _RenderAssociateInteractors( );
 124         bool _PickPosition( double pos[ 3 ] );
 125         void _UpdateCursor( );
 126         void _UpdateRadius( );
 127
 128       private:
 129         // Purposely not implemented
 130         ImageInteractorStyle( const Self& );
 131         Self& operator=( const Self& );
 132
 133       protected:
 134         Self::InteractionMode Mode;
 135
 136         ImageSliceActors* m_SliceActors;
 137         MPRActors*        m_MPRActors;
 138
 139         vtkSmartPointer< vtkOrientationMarkerWidget > OrientationWidget;
 140         vtkSmartPointer< vtkPropPicker > PropPicker;
 141
 142         std::vector< vtkRenderWindowInteractor* > AssociatedInteractors;
 143
 144         bool CursorMoving;
 145         double Cursor[ 3 ];
 146
 147         bool RadiusMoving;
 148         double Radius[ 3 ];
 149         vtkSmartPointer< vtkPolyData > Circle;
 150         vtkSmartPointer< vtkPolyDataMapper > CircleMapper;
 151         vtkSmartPointer< vtkActor > CircleActor;
 152
 153       public:
 154         static const int CursorEvent;
 155         static const int RadiusEvent;
 156         static const int DoubleClickEvent;
 157       };
 158
 159     } // ecapseman
 160
 161   } // ecapseman
 162
 163 } // ecapseman
 164
 165 #endif // __CPPLUGINS__EXTENSIONS__VISUALIZATION__IMAGEINTERACTORSTYLE__H__
 166
 167 // eof - $RCSfile$