return anchor == ItemLabelAnchor.CENTER 
               || anchor == ItemLabelAnchor.INSIDE1
               || anchor == ItemLabelAnchor.INSIDE2
               || anchor == ItemLabelAnchor.INSIDE3
               || anchor == ItemLabelAnchor.INSIDE4
               || anchor == ItemLabelAnchor.INSIDE5
               || anchor == ItemLabelAnchor.INSIDE6
               || anchor == ItemLabelAnchor.INSIDE7
               || anchor == ItemLabelAnchor.INSIDE8
               || anchor == ItemLabelAnchor.INSIDE9
               || anchor == ItemLabelAnchor.INSIDE10
               || anchor == ItemLabelAnchor.INSIDE11
               || anchor == ItemLabelAnchor.INSIDE12;