The
graphics-state
object associated with each port holds values for parameters such as
foreground
,
background
,
operation
,
thickness
,
scale-thickness
,
mask
and
font
which affect graphics ports drawing to that port.
The full set of parameters is described under
graphics-state
in the
LispWorks CAPI Reference Manual
.
CAPI User Guide (Unix version) - 30 Aug 2011