Enumeration CornerType

@Retention(RetentionPolicy.CLASS)
public @interface EnumCornerType
{
   /** The corner is formed by two intersecting line segments. */
   int CT_NORMAL_INTERSECTED = 0;
   /** The corner is formed by two T intersecting line segments. */
   int CT_T_INTERSECTED = 1;
   /** The corner is formed by two cross intersecting line segments. */
   int CT_CROSS_INTERSECTED = 2;
   /** The two line segments are not intersected but they definitely consist a corner. */
   int CT_NOT_INTERSECTED = 3;
}