private void StartDrawingRectROI()
{
ROIRect rectROI = new ROIRect();
ROIList.Add(rectROI);
rectROI.TopLeftPoint = rectROI.BottomRightPoint = MousePosition;
rectROI.CaptureMouse();
rectROI.CurrentState = State.DrawingInProgress;
rectROI.LastROIDrawEvent += OnGetLastDrawEventUpdated;
SetBinding(MagnificationProperty.Name, rectROI, ROI.MagnificationProperty);
}
private static void OnBottomRightChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ROIRect obj = (ROIRect)d;
Point bottomRight = (Point)e.NewValue;
Point topRight = obj.Anchors[TOP_RIGHT].Position;
topRight.X = bottomRight.X;
Point bottomLeft = obj.Anchors[BOTTOM_LEFT].Position;
bottomLeft.Y = bottomRight.Y;
Point center = obj.Anchors[CENTER].Position;
center.X = (bottomRight.X + bottomLeft.X) / 2.0;
center.Y = (bottomRight.Y + topRight.Y) / 2.0;
obj.Anchors[TOP_RIGHT].Position = topRight;
obj.Anchors[BOTTOM_LEFT].Position = bottomLeft;
obj.Anchors[BOTTOM_RIGHT].Position = bottomRight;
obj.Anchors[CENTER].Position = center;
}
