[coretext] Unbreak glyph positioning in presence of notdef runs
authorBehdad Esfahbod <behdad@behdad.org>
Wed, 28 Jan 2015 18:43:32 +0000 (10:43 -0800)
committerBehdad Esfahbod <behdad@behdad.org>
Wed, 28 Jan 2015 18:50:54 +0000 (10:50 -0800)
commit6917a045fd8d16952cad75fda8b291b11e1d3564
tree9cf02b12aabab8b1846207b9e1785d520c32c7e8
parent1eff4350239b0768e1042b52db9fb1c0d266f96a
[coretext] Unbreak glyph positioning in presence of notdef runs

As discovered on Chrome Mac:
https://code.google.com/p/chromium/issues/detail?id=452326

This was originally broken in:

commit 5a0eed3b50629be4826e4e9428f2c3255195395d
Author: Behdad Esfahbod <behdad@behdad.org>
Date:   Mon Aug 11 23:47:16 2014 -0400

    [coretext] Implement vertical shaping
src/hb-coretext.cc