[Bug 679030] [freetype] uneven rendering quality when bytecode is enabled

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Mon Feb 21 14:29:37 UTC 2011


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https://bugzilla.redhat.com/show_bug.cgi?id=679030

--- Comment #5 from Kevin Kofler <kevin at tigcc.ticalc.org> 2011-02-21 09:29:37 EST ---
Hmmm, are you sure you aren't mixing up the system fonts vs. web core fonts
screenshots?

So we have 2 separate issues there:

* re DejaVu, I know that the font looks very different with and without the
hinting bytecode. As a long-time maintainer of freetype-freeworld, I'm well
aware of this problem. The thing is, some people, and that includes the
upstream developers of DejaVu, actually LIKE the rendering with the bytecode,
and in fact DejaVu upstream recommends enabling the BCI for their fonts. I used
to disable the BCI for the DejaVu family in my freetype-freeworld packaging
because of complaints such as yours, but then I got complaints about it being
disabled (see e.g. https://bugzilla.rpmfusion.org/show_bug.cgi?id=198). Then I
reenabled it and got at least one complaint about it being enabled. You just
cannot please everyone… It is possible for you as a user to disable the BCI for
DejaVu using a config file like this:
http://cvs.rpmfusion.org/viewvc/rpms/freetype-freeworld/F-12/99-DejaVu-autohinter-only.conf?revision=1.1&root=free&view=markup
There have been complaints to DejaVu upstream about the discrepancy, but they
say this is all by design.

* re Verdana, I think we need to figure out whether the rendering is as
intended by the font designers (as in Deja Vu's case) or whether there's a bug.
(It might be that "freetype uses hinting bytecode even at sizes so small that
the font wants to be rendered without antialiasing" issue which is already
reported somewhere.) It can be worked around with a per-font policy using a
config file similar to the above, but really, we want the BCI fixed instead.

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