Common Lisp Interface Manager 2.0 User's Guide
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Chapter 2 Drawing Graphics
2.5
General Geometric Objects in CLIM
2.5.1 Regions in CLIM
2.5.2 CLIM Point Objects
2.5.3 Polygons and Polylines in CLIM
2.5.4 Lines in CLIM
2.5.5 Rectangles in CLIM
2.5.6 Ellipses and Elliptical Arcs in CLIM
2.5.7 Bounding Rectangles
Common Lisp Interface Manager 2.0 User's Guide - 22 Dec 2009