13. Graphics Classes

13.1 Overview of graphics classes

13.2 Point and Line

13.3 Lines

13.4 Color

13.5 Line_style

13.6 Open_polyline

13.7 Closed_polyline

13.8 Polygon

13.9 Rectangle

13.10 Managing unnamed objects

13.11 Text

13.12 Circle

13.13 Ellipse

13.14 Marked_polyline

13.15 Marks

13.16 Mark

13.17 Images

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