tree 052bd12100c1dbd89e095d3d7a6ea11fa5a71f81
parent 25834ffc5a4f6c45830dded7d5d135df157870e6
author bungeman <bungeman@google.com> 1487198952 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1487204619 +0000

Work around Mac x- and cap-height calculation.

With at least some system fonts and apparently all fonts from data the
x-height and cap-height on at least 10.12.3 are always 0.6666 and .8888
of the ascent, respectively. The values from the 'OS/2' table appear
to be read, but then the values are overwritten. Work around this by
using the values from the 'OS/2' table when available.

This also removes fFUnitMatrix as it is no longer used.

BUG=skia:6203

Change-Id: Ib79d9d32bca77797de043499c854c35e5ef3aa4b
Reviewed-on: https://skia-review.googlesource.com/8452
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>