private static void OnRadiusYChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ROIOval obj = (ROIOval)d;
double radius = (double)e.NewValue;
Point center = obj.Anchors[CENTER].Position;
obj.Anchors[TOP].Position = new Point(center.X, center.Y - radius);;
obj.Anchors[BOTTOM].Position = new Point(center.X, center.Y + radius);;
}
private static void OnRadiusXChanged(DependencyObject d, DependencyPropertyChangedEventArgs r)
{
ROIOval obj = (ROIOval)d;
double radius = (double)r.NewValue;
Point center = obj.Anchors[CENTER].Position;
obj.Anchors[LEFT].Position = new Point(center.X - radius, center.Y);
obj.Anchors[RIGHT].Position = new Point(center.X + radius, center.Y);
}
private void StartDrawingOvalROI()
{
ROIOval ovalROI = new ROIOval();
ROIList.Add(ovalROI);
ovalROI.Center = MousePosition;
ovalROI.CaptureMouse();
ovalROI.CurrentState = State.DrawingInProgress;
ovalROI.LastROIDrawEvent += OnGetLastDrawEventUpdated;
SetBinding(MagnificationProperty.Name, ovalROI, ROI.MagnificationProperty);
}
private static void OnCenterChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ROIOval roiOval = (ROIOval)d;
Point center = (Point)e.NewValue;
roiOval.Anchors[TOP].Position = new Point(center.X, center.Y - roiOval.RadiusY);
roiOval.Anchors[BOTTOM].Position = new Point(center.X, center.Y + roiOval.RadiusY);
roiOval.Anchors[LEFT].Position = new Point(center.X - roiOval.RadiusX, center.Y);
roiOval.Anchors[RIGHT].Position = new Point(center.X + roiOval.RadiusX, center.Y);;
roiOval.Anchors[CENTER].Position = center;
}