ART Polygon mark object.
| IG_ARTX_polygon_border_get | Queries the annotation border. |
| IG_ARTX_polygon_border_set | Sets the annotation border. |
| IG_ARTX_polygon_bounds_get | Queries the bounding rectangle. |
| IG_ARTX_polygon_create | Creates Polygon mark. |
| IG_ARTX_polygon_fillcolor_get | Queries fill color of the annotation. |
| IG_ARTX_polygon_fillcolor_set | Sets the annotation fill color. |
| IG_ARTX_polygon_opacity_get | Queries the value of annotation opacity. |
| IG_ARTX_polygon_opacity_set | Sets the value of annotation opacity. |
| IG_ARTX_polygon_point_count_get | Gets the number of the Polygon points. |
| IG_ARTX_polygon_points_get | Gets the Polygon points. |
| IG_ARTX_polygon_points_set | Sets the Polygon points. |