---- Version History: 1.0 2011-01-09 initial version 1.1 2011-01-10 improve artifacts using setOpaque, super.paintComponent and Graphics.create 1.2 2011-01-19 drawRoundedPolygon fillRoundedPolygon 1.3 2011-01-26 add R232C 25-pin and 9-pin connectors, male and female. More mathematical treatment of pins. -30-