Comment #10 on issue 2658 by [email protected]: wrong stem rendering
(inconsistent thickness)
http://code.google.com/p/lilypond/issues/detail?id=2658
Regarding comment #8: "this patch doesn't solve the original problem"
appears not really accurate regarding the image. Frescobaldi and Okular
are actually both rendering using Poppler, and Poppler is likely
overcompensating from thick lines previously.
Now the problem with resolution dependent behavior is that we don't have
much more than setstrokeadjust available from the PostScript->PDF side, and
if the rounded ends are not _fully_ rounded ends, there is no single stroke
command that will preserve line thickness left _and_ right_. So I don't
see that anything but clip areas can be used here: if we draw the rounded
ends separately, they'll get different stroke width compensation and will
likely overshoot.
There is still something wrong in the current implementation: I see that,
say, ledger lines stopped being rounded altogether: looks like the code
does not work for horizontal lines right now.
But while that need to gets fixed, I don't see that we have better options
available than what one already sees. Yes, some lines now get too flimsy
in some resolutions in some viewers. But overall, there is less wrong with
the output. In particular, Ghostscript does a quite more pleasing PNG
rendition.
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