Legacy ART Hollow Polygon mark.

Members:

IG_ARTX_hollow_polygon_border_get	Queries attributes of annotation border.
IG_ARTX_hollow_polygon_border_set	Updates attributes of annotation border.
IG_ARTX_hollow_polygon_bounds_get	Queries the bounding rectangle of annotation.
IG_ARTX_hollow_polygon_create	Creates an instance of hollow polygon mark (IG_ARTX_MARK_HOLLOW_POLYGON).
IG_ARTX_hollow_polygon_highlight_get	Queries the highlight state of annotation.
IG_ARTX_hollow_polygon_highlight_set	Sets highlight state of annotation.
IG_ARTX_hollow_polygon_point_count_get	Obtains the number of polygon points.
IG_ARTX_hollow_polygon_points_get	Queries annotation points data.
IG_ARTX_hollow_polygon_points_set	Updates annotation points data.