[HarfBuzz] Overlap of vocal with thai text

Konstantin Ritt ritt.ks at gmail.com
Mon Mar 2 08:50:13 PST 2015

2015-03-02 20:25 GMT+04:00 Vignesh Raman <rvignesh.raman at gmail.com>:

> I applied the patches for thai font rendering from
> https://bugreports.qt.io/browse/QTBUG-21206. But the issue I mentioned
> in my first email still exist. If src/3rdpart/hafbuzz is used bt Qt
> from where are the functions in harbuzz-thai.c called? I see those are
> statically linked to libQtCore.so
> Does Qt uses the freetype libraries (libfreetype.so). If yes can I
> build freetype --with-harbuzz so that Qt will use harfbuzz-0.9.38. Is
> this a correct way?

It is not. FT built with HarfBuzz-NG (0.9.38 in your case) won't give you
anything, since Qt would still use the bundled copy of HarfBuzz-old.
Also note FT *doesn't do* any shaping and consumes HB for the font data
access only.

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