The following classes provide an interface to DEC's Easy Draw application.
Easy Draw is an application written in scheme which alows easy drawing on the
X 11 Window system. The CNCL simulation programs communicate via UNIX
pipes with Easy Draw.
These classes use Xcolors and Xfonts. A list of the colors you can
find at /usr/global/lib/X11 in the file rgb.txt, for a list of
fonts use the command xlsfonts. Only the color 'clear' is added
to allow transparent objects in the drawing.
Additionally to the colors some stipple patterns are defined at
EZD. They are called s0, s1, ... , s16, where the number is
representing the amount of drawn pixels (in the defined color) in a
square of 4-by-4. However, this option is ignored when postscript files
are written.
You can find additional information about ezd at the man pages.
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