protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
if (IsRectangleConditionOk(e))
{
_buffPoint = e.GetPosition(this);
_buffRoiControl = default;
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (IsRectangleConditionOk(e))
{
Point position = e.GetPosition(this);
Vector vector = position - _buffPoint;
var rect = new Rect(_buffPoint, vector);
(double x, double y, double width, double height) =
rect.GetPositionAndSize();
if (_buffRoiControl == null)
{
_buffRoiControl = new RectangleRoiControl(x, y, width, height);
_imageViewer.AddRoi(_buffRoiControl);
}
RectangleRoiControl rectangleRoiControl = Children
.OfType <RectangleRoiControl>()
.Single(roi => roi == _buffRoiControl);
rectangleRoiControl.SetPositionAndSize(x, y, width, height);
}
}
public static AdornerLayer GetAdornerLayer(this RoiControl roiControl)
{
return(AdornerLayer.GetAdornerLayer(roiControl));
}