[metapost] some question about pens

Taco Hoekwater taco at elvenkind.com
Thu Apr 3 10:50:40 CEST 2008

Stephan Hennig wrote:
> what's going on.  Maybe some kind and knowledgeable person finds the
> time to look at that?

If you look at the current mpost source code, the relevant procedure
is offset_prep (especially the get_turn_amt subroutine). The code
there is disregarding pen edges that are parallel to the drawing direction.

Best wishes,

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