// ****************************************************************************
//
// Function Name: RSingleSelection::DrawRotateHandle( )
//
// Description: Draws the rotation line and handle
//
// Returns: Nothing
//
// Exceptions: Memory
//
// ****************************************************************************
//
void RSingleSelection::DrawRotateHandle( RDrawingSurface& drawingSurface, const R2dTransform& transform, const RIntRect& ) const
{
// Get the bounding rect
YSelectionBoundingRect boundingRect;
GetSelectionBoundingRect( boundingRect );
// Get the center point; this will be one end point of the rotate handle line
RRealPoint centerPoint = boundingRect.GetCenterPoint( );
// Get the other end point
RRealPoint lineEndPoint = GetRotateHandleCenterPoint( );
// Draw the line
drawingSurface.MoveTo( centerPoint, transform );
drawingSurface.LineTo( lineEndPoint, transform );
// Now draw the rotate handle
// Convert to device units
::LogicalUnitsToDeviceUnits( lineEndPoint, *m_pView );
// Now build the rotate handle, using this point as the middle of the left side
RRealRect rotateHandleRect;
rotateHandleRect.m_Left = lineEndPoint.m_x - ( kRotateHandleRenderSize / 2 );
rotateHandleRect.m_Top = lineEndPoint.m_y - ( kRotateHandleRenderSize / 2 );
rotateHandleRect.m_Right = lineEndPoint.m_x + ( kRotateHandleRenderSize / 2 ) + 1;
rotateHandleRect.m_Bottom = lineEndPoint.m_y + ( kRotateHandleRenderSize / 2 ) + 1;
::DeviceUnitsToLogicalUnits( rotateHandleRect, *m_pView );
// Now draw the rotate handle
rotateHandleRect *= transform;
drawingSurface.FillRectangle( rotateHandleRect );
}
// ****************************************************************************
//
// Function Name: RRotateSelectionTracker::Render( )
//
// Description: Called to render the tracker feedback
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
void RRotateSelectionTracker::Render( RDrawingSurface& drawingSurface, const R2dTransform& transform, const RRealPoint& point ) const
{
// Calculate the angle
YAngle angle = CalcAngle( point );
// Draw the feedback line
drawingSurface.MoveTo( m_TrackingRotationCenter, transform );
drawingSurface.LineTo( point, transform );
// Render the tracking rectangle
m_pSelection->DrawRotateTrackingFeedback( drawingSurface, transform, m_TrackingRotationCenter, angle );
}