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Re: [OTVar] Changing tracking/HVAR
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 …2 -
Re: [OTVar] Axis Interaction and Literality
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…1 -
Re: [OTVar] Suggestion to record in the font whether an axis affects metrics or not
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…2 -
Re: [OTVar] Suggestion to record in the font whether an axis affects metrics or not
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, …1 -
Re: [OTVar] Suggestion to record in the font whether an axis affects metrics or not
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…1
