https://bugzilla.redhat.com/show_bug.cgi?id=1645763



--- Comment #7 from Kevin Kofler <[email protected]> ---
(In reply to Nikolaus Waxweiler from comment #5)
> I think I narrowed it down: simply defining
> FT_CONFIG_OPTION_SUBPIXEL_RENDERING without changing anything else (i.e.
> recompiling other packages) gives you subpixel rendering, but e.g. Gtk3 will
> not filter it.

But then why:

(In reply to Christian Stadelmann from comment #4)
> freetype-2.9.1-4.fc29 with freetype-freeworld from rpmfusion is fine.

? It should be affected by the same issue!

Qt should not need to be recompiled, it specifically supports subpixel
rendering at runtime (since 5.6):
http://code.qt.io/cgit/qt/qtbase.git/commit/src/gui/text/qfontengine_ft.cpp?h=5.6&id=748aa6b06462804a9671997302df292ae9788d5c

Qt 4 is patched in Fedora with the same change:
https://src.fedoraproject.org/cgit/rpms/qt.git/tree/qt-x11-opensource-src-4.5.1-enable_ft_lcdfilter.patch
(I added that to make freetype-freeworld work right, long before Qt upstream
finally fixed it.)

But if GTK+ is similarly broken, it should get fixed!

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