private Size GetAnchorOffset(LocationAnchor anchor, LayoutElement layoutItem)
{
switch (anchor)
{
case LocationAnchor.Top:
return(new Size(layoutItem.Size.Width / 2, 0));
case LocationAnchor.Bottom:
return(new Size(layoutItem.Size.Width / 2, layoutItem.Size.Height));
case LocationAnchor.Left:
return(new Size(0, layoutItem.Size.Height / 2));
case LocationAnchor.Right:
return(new Size(layoutItem.Size.Width, layoutItem.Size.Height / 2));
case LocationAnchor.Center:
return(new Size(layoutItem.Size.Width / 2, layoutItem.Size.Height / 2));
case LocationAnchor.TopLeft:
return(new Size(0, 0));
case LocationAnchor.TopRight:
return(new Size(layoutItem.Size.Width, 0));
case LocationAnchor.BottomLeft:
return(new Size(0, layoutItem.Size.Height));
case LocationAnchor.BottomRight:
return(new Size(layoutItem.Size.Width, layoutItem.Size.Height));
default:
throw new NotSupportedException($"{nameof(LocationAnchor)} {anchor} is not supported.");
}
}
/// <summary> Sets the anchor of a certain shape element. </summary>
/// <param name="element"> Shape element for which a anchor should be set. </param>
/// <param name="anchor"> New anchor of the shape element. </param>
public static void SetAnchor(FrameworkElement element, LocationAnchor anchor)
{
element.SetValue(AnchorProperty, anchor);
}
