On Wed, Oct 26, 2011 at 09:13:36AM +0100, John Tapsell wrote: > Hi guys, > > I have a font with GPOS kerning with position and advancement > adjustments for arabic. This seems to be fairly rare as I cannot find > another font with GPOS kerning for a RTL language.
Not that rare actually (unless you are counting free fonts only). > Using Qt, I got the following result: > http://picpaste.com/pics/malcom_text_with_unmodified_qt-zkLg01BQ.1319616036.png > > The below patch fixes the adjustment problems, making it look like: > http://picpaste.com/pics/malcom_text_with_modified_qt-kItcU2Cx.1319616047.png I reported that issue years ago in Qt's bug tracker[1] and it was closed without a fix, reported again here earlier tis year (this time with a patch)[2], no idea why it is so hard to fix such an obvious and quite visible rendering bug! In the mean time I just gave up an removed kerning completely from later versions of the font. [1] https://bugreports.qt.nokia.com//browse/QTBUG-4475 [2] http://lists.freedesktop.org/archives/harfbuzz/2011-January/001062.html Regards, Khaled _______________________________________________ HarfBuzz mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/harfbuzz
