trak
: Tracking table
The trak
table is an Apple Advanced Typography (AAT) table.
- class fontTools.ttLib.tables._t_r_a_k.table__t_r_a_k(tag=None)[source]
Bases:
DefaultTable
The AAT
trak
table can store per-size adjustments to each glyph’s sidebearings to make when tracking is enabled, which applications can use to provide more visually balanced line spacing.See also https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6trak.html
- dependencies = ['name']