// ****************************************************************************
//
// Function Name: RResizeSelectionTracker::Render( )
//
// Description: Called to render the tracker feedback
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
void RResizeSelectionTracker::Render( RDrawingSurface& drawingSurface, const R2dTransform& transform, const RRealPoint& point ) const
{
RRealSize scaleFactor = CalcScaleFactor( point );
// Draw the tracking rectangle
m_pSelection->DrawResizeTrackingFeedback( drawingSurface, transform, m_ScalingCenter, scaleFactor, m_fMaintainAspectRatio );
}
// ****************************************************************************
//
// Function Name: RResizeSelectionTracker::GetFeedbackBoundingRect( )
//
// Description: Returns the feedback bounding rect
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
RRealRect RResizeSelectionTracker::GetFeedbackBoundingRect( const RRealPoint& point ) const
{
// Get the view transform
R2dTransform transform;
m_pView->GetViewTransform( transform, TRUE );
RRealSize scaleFactor = CalcScaleFactor( point );
RRealRect boundingRect = m_pSelection->GetResizeTrackingFeedbackBoundingRect( transform, m_ScalingCenter, scaleFactor, m_fMaintainAspectRatio );
// Convert back to logical units
transform.Invert( );
return boundingRect * transform;
}
static void _do_LDScale10x( ld_arg ld, int scale )
{
long_double factor;
if( scale != 0 ) {
#if defined( _LONG_DOUBLE_ ) && defined( __FPI__ )
unsigned short _8087cw = __Get87CW();
__Set87CW( _8087cw | _PC_64 ); // make sure extended precision is on
#endif
factor.exponent = 0x3FFF; // set factor = 1.0
factor.high_word = 0x80000000;
factor.low_word = 0x00000000;
if( scale < 0 ) {
CalcScaleFactor( &factor, -scale );
__FLDD( ld, &factor, ld );
} else {
CalcScaleFactor( &factor, scale );
__FLDM( ld, &factor, ld );
}
#if defined( _LONG_DOUBLE_ ) && defined( __FPI__ )
__Set87CW( _8087cw ); // restore control word
#endif
}
}
// ****************************************************************************
//
// Function Name: RResizeSelectionTracker::EndTracking( )
//
// Description: Called when tracking ends; ie. when the mouse button goes
// up.
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
void RResizeSelectionTracker::EndTracking( const RRealPoint& mousePoint, YModifierKey modifierKeys )
{
// Constrain the mouse point
RRealPoint constrainedPoint = mousePoint;
ApplyConstraint( constrainedPoint );
// Call the base class
RSelectionTracker::EndTracking( constrainedPoint, modifierKeys );
// Compute the final scale factor
RRealSize scaleFactor = CalcScaleFactor( constrainedPoint );
// Create and do a resize selection action
RResizeSelectionAction* pAction = new RResizeSelectionAction( m_pSelection, m_ScalingCenter, scaleFactor, m_fMaintainAspectRatio );
m_pView->GetRDocument( )->SendAction( pAction );
}
TSSWRealizedVolatility::TSSWRealizedVolatility( Prices& prices, time_duration tdWindowWidth, double p )
: m_dblSum( 0.0 ), m_dblP( p ), m_n( 0 ), m_dt( not_a_date_time ), m_tdScaledWidth( hours( 365 * 24 ) + hours( 6 ) ),
TimeSeriesSlidingWindow<TSSWRealizedVolatility, Price>( prices, tdWindowWidth, 0 )
{
CalcScaleFactor();
}
