#include <cpPlugins/Extensions/Visualization/ImageInteractorStyle.h>
+#include <cmath>
+#include <ctime>
+
#include <vtkAnnotatedCubeActor.h>
#include <vtkAxesActor.h>
#include <vtkCallbackCommand.h>
#include <vtkCamera.h>
+#include <vtkCellArray.h>
#include <vtkCommand.h>
+#include <vtkMatrix4x4.h>
#include <vtkPropAssembly.h>
#include <vtkProperty.h>
#include <vtkRendererCollection.h>
// -------------------------------------------------------------------------
const int cpPlugins::Extensions::Visualization::
-ImageInteractorStyle::SliceEvent = vtkCommand::UserEvent + 1;
+ImageInteractorStyle::CursorEvent = vtkCommand::UserEvent + 1;
+const int cpPlugins::Extensions::Visualization::
+ImageInteractorStyle::RadiusEvent = vtkCommand::UserEvent + 2;
+const int cpPlugins::Extensions::Visualization::
+ImageInteractorStyle::DoubleClickEvent = vtkCommand::UserEvent + 3;
// -------------------------------------------------------------------------
cpPlugins::Extensions::Visualization::ImageInteractorStyle::
if( interactor == NULL )
return;
- // TODO: interactor->SetPicker( this->PropPicker );
-
// Get camera, avoiding segfaults
vtkRenderer* ren =
interactor->GetRenderWindow( )->GetRenderers( )->GetFirstRenderer( );
if( this->m_MPRActors == NULL )
return;
- double pos[ 3 ];
if( this->CursorMoving )
{
- bool picked = this->_PickPosition( pos );
+ bool picked = this->_PickPosition( this->Cursor );
if( picked )
{
for( int i = 0; i < 3; ++i )
if( this->m_SliceActors->GetAxis( ) != i )
- this->m_MPRActors->SetSlice( i, pos[ i ] );
+ this->m_MPRActors->SetSlice( i, this->Cursor[ i ] );
+ this->InvokeEvent( Self::CursorEvent, this->Cursor );
this->Interactor->Render( );
this->_RenderAssociateInteractors( );
} // fi
}
+ else if( this->RadiusMoving )
+ {
+ bool picked = this->_PickPosition( this->Radius );
+ if( picked )
+ {
+ this->InvokeEvent( Self::RadiusEvent, this->Radius );
+ this->_UpdateRadius( );
+
+ } // fi
+ }
else
{
switch( this->State )
void cpPlugins::Extensions::Visualization::ImageInteractorStyle::
OnLeftButtonDown( )
{
- int x = this->Interactor->GetEventPosition( )[ 0 ];
- int y = this->Interactor->GetEventPosition( )[ 1 ];
-
- this->FindPokedRenderer( x, y );
+ static double pnt[ 3 ];
+ static int pos[ 2 ];
+ this->Interactor->GetEventPosition( pos );
+ this->FindPokedRenderer( pos[ 0 ], pos[ 1 ] );
if( this->CurrentRenderer == NULL )
return;
this->GrabFocus( this->EventCallbackCommand );
- if( this->Interactor->GetControlKey( ) )
- this->StartCursorMoving( );
-
- /* TODO
- if (!this->Interactor->GetShiftKey() && !this->Interactor->GetControlKey())
- {
- this->WindowLevelStartPosition[0] = x;
- this->WindowLevelStartPosition[1] = y;
- this->StartWindowLevel();
- }
-
- // If shift is held down, do a rotation
- else if (this->InteractionMode == VTKIS_IMAGE3D &&
- this->Interactor->GetShiftKey())
- {
- this->StartRotate();
- }
-
- // If ctrl is held down in slicing mode, slice the image
- else if (this->InteractionMode == VTKIS_IMAGE_SLICING &&
- this->Interactor->GetControlKey())
- {
- this->StartSlice();
- }
-
- // The rest of the button + key combinations remain the same
-
- else
- {
- this->Superclass::OnLeftButtonDown();
- }
- */
+ // TODO: check this code
+ // Manage double-click
+ static const long epsilon_time = 800;
+ static long last_click_time = -( epsilon_time << 1 );
+ long click_time = static_cast< long >( std::clock( ) );
+ if( ( click_time - last_click_time ) < epsilon_time )
+ {
+ last_click_time = -( epsilon_time << 1 );
+ if( this->_PickPosition( pnt ) )
+ this->InvokeEvent( Self::DoubleClickEvent, pnt );
+ }
+ else
+ {
+ last_click_time = click_time;
+ if( this->Interactor->GetControlKey( ) )
+ this->StartCursorMoving( );
+
+ } // fi
}
// -------------------------------------------------------------------------
}
else if( this->Interactor->GetControlKey( ) )
{
+ this->StartRadiusMoving( );
}
else if( this->Interactor->GetShiftKey( ) )
{
void cpPlugins::Extensions::Visualization::ImageInteractorStyle::
OnMiddleButtonUp( )
{
- switch( this->State )
+ if( this->RadiusMoving )
{
- case VTKIS_PAN:
- this->EndPan( );
- break;
- } // hctiws
+ this->EndRadiusMoving( );
+ if( this->Interactor )
+ this->ReleaseFocus( );
+ }
+ else
+ {
+ switch( this->State )
+ {
+ case VTKIS_PAN:
+ this->EndPan( );
+ break;
+ } // hctiws
+
+ } // fi
}
// -------------------------------------------------------------------------
{
if( this->CursorMoving )
return;
+ this->_PickPosition( this->Cursor );
this->CursorMoving = true;
}
this->CursorMoving = false;
}
+// -------------------------------------------------------------------------
+void cpPlugins::Extensions::Visualization::ImageInteractorStyle::
+StartRadiusMoving( )
+{
+ if( this->RadiusMoving )
+ return;
+ this->_PickPosition( this->Radius );
+ this->RadiusMoving = true;
+ this->_UpdateRadius( );
+}
+
+// -------------------------------------------------------------------------
+void cpPlugins::Extensions::Visualization::ImageInteractorStyle::
+EndRadiusMoving( )
+{
+ if( !( this->RadiusMoving ) )
+ return;
+ this->RadiusMoving = false;
+ this->_UpdateRadius( );
+ this->InvokeEvent( Self::RadiusEvent, NULL );
+}
+
// -------------------------------------------------------------------------
cpPlugins::Extensions::Visualization::ImageInteractorStyle::
ImageInteractorStyle( )
Mode( Self::NavigationMode ),
m_SliceActors( NULL ),
m_MPRActors( NULL ),
- CursorMoving( false )
+ CursorMoving( false ),
+ RadiusMoving( false )
{
// Orientation marks
vtkSmartPointer< vtkAnnotatedCubeActor > cube =
this->OrientationWidget->SetOrientationMarker( actors );
this->OrientationWidget->SetViewport( 0.0, 0.0, 0.2, 0.2 );
+ // Circle
+ unsigned long circle_samples = 1000;
+ this->Circle = vtkSmartPointer< vtkPolyData >::New( );
+
+ vtkSmartPointer< vtkPoints > circle_points =
+ vtkSmartPointer< vtkPoints >::New( );
+ vtkSmartPointer< vtkCellArray > circle_lines =
+ vtkSmartPointer< vtkCellArray >::New( );
+ for( unsigned long s = 0; s < circle_samples; ++s )
+ {
+ double t = double( 6.2832 ) * double( s ) / double( circle_samples );
+ circle_points->InsertNextPoint(
+ std::cos( t ), std::sin( t ), double( 0 )
+ );
+
+ circle_lines->InsertNextCell( 2 );
+ circle_lines->InsertCellPoint( s );
+ circle_lines->InsertCellPoint( ( s + 1 ) % circle_samples );
+
+ } // rof
+ this->Circle->SetPoints( circle_points );
+ this->Circle->SetLines( circle_lines );
+
+ this->CircleMapper = vtkSmartPointer< vtkPolyDataMapper >::New( );
+ this->CircleMapper->SetInputData( this->Circle );
+ this->CircleActor = vtkSmartPointer< vtkActor >::New( );
+ this->CircleActor->SetMapper( this->CircleMapper );
+ this->CircleActor->GetProperty( )->SetColor( 1, 0, 1 );
+ this->CircleActor->GetProperty( )->SetLineWidth( 2 );
+
this->PropPicker = vtkSmartPointer< vtkPropPicker >::New( );
this->PropPicker->PickFromListOn( );
}
if( success == 0 )
return( false );
this->PropPicker->GetPickPosition( pos );
+
+ int axis = this->m_SliceActors->GetAxis( );
+ double* bounds = this->m_SliceActors->GetDisplayBounds( );
+ pos[ axis ] = bounds[ axis << 1 ];
+
return( true );
}
std::cout << "upcur" << std::endl;
}
+// -------------------------------------------------------------------------
+void cpPlugins::Extensions::Visualization::ImageInteractorStyle::
+_UpdateRadius( )
+{
+ vtkRenderer* ren =
+ this->Interactor->GetRenderWindow( )->
+ GetRenderers( )->GetFirstRenderer( );
+ if( ren == NULL )
+ return;
+ vtkCamera* cam = ren->GetActiveCamera( );
+ if( cam == NULL )
+ return;
+
+ if( this->RadiusMoving )
+ {
+ double x = this->Cursor[ 0 ] - this->Radius[ 0 ];
+ double y = this->Cursor[ 1 ] - this->Radius[ 1 ];
+ double z = this->Cursor[ 2 ] - this->Radius[ 2 ];
+ double r = std::sqrt( ( x * x ) + ( y * y ) + ( z * z ) );
+
+ vtkMatrix4x4* cam_matrix = cam->GetModelViewTransformMatrix( );
+ vtkSmartPointer< vtkMatrix4x4 > circle_matrix =
+ this->CircleActor->GetUserMatrix( );
+ if( circle_matrix.GetPointer( ) == NULL )
+ {
+ circle_matrix = vtkSmartPointer< vtkMatrix4x4 >::New( );
+ this->CircleActor->SetUserMatrix( circle_matrix );
+
+ } // fi
+ for( int i = 0; i < 4; ++i )
+ {
+ for( int j = 0; j < 4; ++j )
+ {
+ double v = cam_matrix->GetElement( i, j );
+ if( i < 3 && j == 3 )
+ v = this->Cursor[ i ];
+ if( i < 3 && j < 3 )
+ v *= r;
+ circle_matrix->SetElement( i, j, v );
+
+ } // rof
+
+ } // rof
+ this->CircleActor->Modified( );
+ ren->AddActor( this->CircleActor );
+ }
+ else
+ ren->RemoveActor( this->CircleActor );
+
+ this->Interactor->Render( );
+}
+
// eof - $RCSfile$