lib/cpExtensions/Visualization/ImageSliceActors.h

   1 #ifndef __CPEXTENSIONS__VISUALIZATION__IMAGESLICEACTORS__H__
   2 #define __CPEXTENSIONS__VISUALIZATION__IMAGESLICEACTORS__H__
   3
   4 #include <cpExtensions/cpExtensions_Export.h>
   5
   6 #include <cpExtensions/Interaction/ImageInteractorStyle.h>
   7 #include <vtkActor.h>
   8 #include <vtkCursor3D.h>
   9 #include <vtkImageActor.h>
  10 #include <vtkImageSliceMapper.h>
  11 #include <vtkPolyDataMapper.h>
  12 #include <vtkPropCollection.h>
  13 #include <vtkTextActor.h>
  14 #include <vtkSmartPointer.h>
  15
  16 #define MAX_TEXT_BUFFER 1024
  17
  18 class vtkAlgorithmOutput;
  19 class vtkImageData;
  20 class vtkRenderer;
  21
  22 namespace cpExtensions
  23 {
  24   namespace Visualization
  25   {
  26     /**
  27      */
  28     class cpExtensions_EXPORT ImageSliceActors
  29       : public vtkPropCollection
  30     {
  31     public:
  32       typedef ImageSliceActors Self;
  33       typedef cpExtensions::Interaction::ImageInteractorStyle TStyle;
  34       typedef TStyle::TMouseCommand            TMouseCommand;
  35       typedef TStyle::TMouseWheelCommand       TMouseWheelCommand;
  36       typedef TStyle::TKeyCommand              TKeyCommand;
  37       typedef TStyle::TVoidCommand             TVoidCommand;
  38       typedef TStyle::TMouseMoveCommand        TMouseMoveCommand;
  39       typedef TStyle::TMouseClickCommand       TMouseClickCommand;
  40       typedef TStyle::TMouseDoubleClickCommand TMouseDoubleClickCommand;
  41       typedef TStyle::TExposeCommand           TExposeCommand;
  42       typedef TStyle::TConfigureCommand        TConfigureCommand;
  43       typedef TStyle::TEnterCommand            TEnterCommand;
  44       typedef TStyle::TLeaveCommand            TLeaveCommand;
  45       typedef void ( *TSlicesCommand )( double*, int, void* );
  46       typedef void ( *TWindowLevelCommand )( double, double, void* );
  47       typedef TVoidCommand TRenderCommand;
  48
  49       template< class _TSource >
  50         struct SourceActor
  51       {
  52         vtkSmartPointer< _TSource >          Source;
  53         vtkSmartPointer< vtkPolyDataMapper > Mapper;
  54         vtkSmartPointer< vtkActor >          Actor;
  55         void Create( )
  56           {
  57             this->Source = vtkSmartPointer< _TSource >::New( );
  58             this->Mapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
  59             this->Actor = vtkSmartPointer< vtkActor >::New( );
  60             this->Mapper->SetInputConnection( this->Source->GetOutputPort( ) );
  61             this->Actor->SetMapper( this->Mapper );
  62           }
  63         void Modified( )
  64           {
  65             this->Source->Modified( );
  66             this->Mapper->Modified( );
  67             this->Actor->Modified( );
  68           }
  69       };
  70
  71
  72     public:
  73       vtkTypeMacro( ImageSliceActors, vtkPropCollection );
  74
  75       cpExtensions_BaseInteractorStyle_Commands( Slices );
  76       cpExtensions_BaseInteractorStyle_Commands( WindowLevel );
  77       cpExtensions_BaseInteractorStyle_Commands( Render );
  78
  79     public:
  80       static Self* New( );
  81
  82       void Clear( );
  83       void SetInputConnection( vtkAlgorithmOutput* aout, int orientation );
  84       void SetInputData( vtkImageData* data, int orientation );
  85
  86       void AssociateSlice( Self* slice );
  87       void CleanAssociatedSlices( );
  88
  89       TStyle* GetStyle( );
  90       void SetStyle( vtkInteractorStyle* st );
  91
  92       void PushInto( vtkRenderer* ren );
  93       void PopFrom( vtkRenderer* ren );
  94
  95       long GetSliceNumber( ) const;
  96       void SetSliceNumber( long slice );
  97
  98       void ShowPixelText( double* pos );
  99
 100       void GetScalarRange( double r[ 2 ] ) const;
 101       void SetScalarRange( const double& a, const double& b );
 102       void UnsetScalarRange( );
 103       void SetWindowLevel( const double& w, const double& l );
 104       double GetWindow( ) const;
 105       double GetLevel( ) const;
 106
 107       void Render( );
 108
 109     protected:
 110       ImageSliceActors( );
 111       virtual ~ImageSliceActors( );
 112
 113       void _ConfigureInput( int orientation );
 114       void _ConfigureCursor( );
 115
 116       // Events
 117       static void _MouseMoveCommand(
 118         void* data,
 119         const TStyle::ButtonID& btn,
 120         int* idx, double* pos,
 121         bool alt, bool ctr, bool sft
 122         );
 123       static void _MouseClickCommand(
 124         void* data,
 125         const TStyle::ButtonID& btn,
 126         int* idx, double* pos,
 127         bool alt, bool ctr, bool sft
 128         );
 129       static void _MouseWheelCommand(
 130         void* data,
 131         const int& dir, bool alt, bool ctr, bool sft
 132         );
 133       static void _KeyCommand(
 134         void* data,
 135         const char& key
 136         );
 137       static void _EnterCommand( void* data );
 138       static void _LeaveCommand( void* data );
 139
 140     private:
 141       // Purposely not implemented
 142       ImageSliceActors( const Self& );
 143       Self& operator=( const Self& );
 144
 145     protected:
 146       // Main image
 147       vtkSmartPointer< vtkImageSliceMapper > m_Mapper;
 148       vtkSmartPointer< vtkImageActor >       m_Actor;
 149
 150       // Secondary slices
 151       std::vector< vtkSmartPointer< Self > > m_AssociatedSlices;
 152
 153       // Cursor
 154       SourceActor< vtkCursor3D > m_Cursor;
 155
 156       // Text
 157       char                            m_TextBuffer[ MAX_TEXT_BUFFER ];
 158       vtkSmartPointer< vtkTextActor > m_TextActor;
 159
 160       // WindowLevel
 161       double m_ScalarRange[ 2 ];
 162       bool m_ManualScalarRange;
 163
 164       // Style
 165       vtkSmartPointer< vtkInteractorStyle > m_Style;
 166
 167       // Events-related data
 168       double m_StartMouseEvent[ 3 ];
 169       double m_StartWindow;
 170       double m_StartLevel;
 171     };
 172
 173   } // ecapseman
 174
 175 } // ecapseman
 176
 177 #endif // __CPEXTENSIONS__VISUALIZATION__IMAGESLICEACTORS__H__
 178
 179 // eof - $RCSfile$