Without special handling for tracking, the most efficient way to adjust a font’s tracking is to edit the LSB and advance width of each glyph in the hmtx table. These two points (taken from hmtx, not … (View Post)
The fundamental point is that variable axes in practice – whether Ikarus, Metafont, MM or GX – almost always work optically, not geometrically. In other words, it has usually been desirable, for ease… (View Post)
In Ray’s example, of course nothing in the current spec stops an axis behaving in this way. Yet, if the examples of grades, animations, layers and ascender/descender become reasonably common, users o… (View Post)
To answer your questions in order: 1. The problem where a user does not know whether adjusting an axis will affect text flow, layout, pagination, etc. 2. A UI offering adjustments of: i. font grade, … (View Post)
It has implications in the sense of an optimization on output, that occurs only under specific circumstances, and is not an error if left undone. A monospace font still works fine without the monospa… (View Post)