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 /* TODO
  14    #include <vtkInteractorStyleImage.h>
  15    #include <vtkLineWidget2.h>
  16    #include <vtkLineRepresentation.h>
  17    #include <vtkPlane.h>
  18    class vtkImageData;
  19 */
  20
  21 // -------------------------------------------------------------------------
  22 #define cpPlugins_ImageInteractorStyle_ObserverMacro( e )               \
  23   inline unsigned long Add##e##Observer( vtkCommand* observer )         \
  24   { return( this->AddObserver( Self::e##Event, observer ) ); }          \
  25   inline void Remove##e##Observer( unsigned long tag )                  \
  26   { this->RemoveObserver( tag ); }                                      \
  27   inline void Remove##e##Observer( vtkCommand* observer )               \
  28   { this->RemoveObserver( observer ); }                                 \
  29   inline void Remove##e##Observers( )                                   \
  30   { this->RemoveObservers( Self::e##Event ); }
  31
  32 namespace cpPlugins
  33 {
  34   namespace Extensions
  35   {
  36     namespace Visualization
  37     {
  38       class ImageSliceActors;
  39       class MPRActors;
  40
  41       /**
  42        */
  43       class cpPlugins_Extensions_EXPORT ImageInteractorStyle
  44         : public vtkInteractorStyleImage
  45       {
  46       public:
  47         typedef ImageInteractorStyle Self;
  48
  49         enum InteractionMode
  50         {
  51           NavigationMode = 0,
  52           DeformationMode
  53         };
  54
  55       public:
  56         vtkTypeMacro( ImageInteractorStyle, vtkInteractorStyleImage );
  57
  58         cpPlugins_ImageInteractorStyle_ObserverMacro( DoubleClick );
  59         cpPlugins_ImageInteractorStyle_ObserverMacro( Cursor );
  60         cpPlugins_ImageInteractorStyle_ObserverMacro( Radius );
  61
  62       public:
  63         static Self* New( );
  64
  65         void Configure(
  66           ImageSliceActors* slice_actors,
  67           MPRActors* mpr_actors = NULL
  68           );
  69         void AssociateInteractor( vtkRenderWindowInteractor* interactor );
  70
  71         void SetModeToNavigation( );
  72         void SetModeToDeformation( );
  73         virtual void SetInteractor(
  74           vtkRenderWindowInteractor* interactor, const int& axis
  75           );
  76
  77         // Description:
  78         // Event bindings controlling the effects of pressing mouse buttons
  79         // or moving the mouse.
  80         virtual void OnMouseMove( );
  81         virtual void OnLeftButtonDown( );
  82         virtual void OnLeftButtonUp( );
  83         virtual void OnMiddleButtonDown( );
  84         virtual void OnMiddleButtonUp( );
  85         virtual void OnRightButtonDown( );
  86         virtual void OnRightButtonUp( );
  87         virtual void OnMouseWheelForward( );
  88         virtual void OnMouseWheelBackward( );
  89
  90         // Description:
  91         // Override the "fly-to" (f keypress) for images.
  92         virtual void OnChar( );
  93
  94         // These methods for the different interactions in different modes
  95         // are overridden in subclasses to perform the correct motion. Since
  96         // they might be called from OnTimer, they do not have mouse coord
  97         // parameters (use interactor's GetEventPosition and
  98         // GetLastEventPosition)
  99
 100         virtual void Rotate( ) { }
 101         virtual void Spin( )   { }
 102         virtual void Zoom( )   { }
 103         virtual void Pick( )   { }
 104         virtual void Slice( )  { }
 105         virtual void WindowLevel( );
 106
 107         // Interaction mode entry points used internally.
 108         virtual void StartPick( )  { }
 109         virtual void EndPick( )    { }
 110         virtual void StartSlice( ) { }
 111         virtual void EndSlice( )   { }
 112         virtual void StartWindowLevel( );
 113         virtual void EndWindowLevel( );
 114
 115         // New events
 116         virtual void StartCursorMoving( );
 117         virtual void EndCursorMoving( );
 118         virtual void StartRadiusMoving( );
 119         virtual void EndRadiusMoving( );
 120
 121       protected:
 122         ImageInteractorStyle( );
 123         virtual ~ImageInteractorStyle( );
 124
 125         void _RenderAssociateInteractors( );
 126         bool _PickPosition( double pos[ 3 ] );
 127         void _UpdateCursor( );
 128         void _UpdateRadius( );
 129
 130       private:
 131         // Purposely not implemented
 132         ImageInteractorStyle( const Self& );
 133         Self& operator=( const Self& );
 134
 135       protected:
 136         Self::InteractionMode Mode;
 137
 138         ImageSliceActors* m_SliceActors;
 139         MPRActors*        m_MPRActors;
 140
 141         vtkSmartPointer< vtkOrientationMarkerWidget > OrientationWidget;
 142         vtkSmartPointer< vtkPropPicker > PropPicker;
 143
 144         std::vector< vtkRenderWindowInteractor* > AssociatedInteractors;
 145
 146         bool CursorMoving;
 147         double Cursor[ 3 ];
 148
 149         bool RadiusMoving;
 150         double Radius[ 3 ];
 151         vtkSmartPointer< vtkPolyData > Circle;
 152         vtkSmartPointer< vtkPolyDataMapper > CircleMapper;
 153         vtkSmartPointer< vtkActor > CircleActor;
 154
 155       public:
 156         static const int CursorEvent;
 157         static const int RadiusEvent;
 158         static const int DoubleClickEvent;
 159       };
 160
 161     } // ecapseman
 162
 163   } // ecapseman
 164
 165 } // ecapseman
 166
 167 #endif // __CPPLUGINS__EXTENSIONS__VISUALIZATION__IMAGEINTERACTORSTYLE__H__
 168
 169 // eof - $RCSfile$