Raph Levien f62034d896 Initialize shaper offset array. Needed for bug 5443796.
Harfbuzz apparently requires the offset array to be initialized to zero,
otherwise it can report corrupt glyph positions. This change also
contains a small amount of refactoring to avoid code duplication.

Change-Id: I2553974f40bc8e0549876c7d31243960ca92a8a2
2012-06-26 08:59:17 -07:00
..