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On 9/10/21 10:04 AM, Albrecht Schlosser wrote:
There's a possible workaround if you set the line width to 1
rather than 0 (the default). The drawback is that setting the
width to 1 slows things down and that's why it's not (yet?) done.
Maybe we should set the line width to 1 explicitly for the focus
box which shouldn't harm much (in terms of drawing speed) but
there are other visible effects (missing pixels in rectangles) as
well.
Yes, that's what I remember too (setting linewidth to 1).
IIRC the focus box is "special" in that it uses the dotted line
pattern for lines,
and for whatever reason that combined with 0 width line causes a
problem
with the pattern generation.
The zero width also creates holes in the corners of boxes.
Probably the issue
is related somehow, as it's probably miscalculating the ends of
line segments
causing dropouts and unintended connections. The apparent
randomness in the
output makes me think it's some kind of uninitialized memory in
the driver code.
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