[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ft-devel] Variable fonts: hhea/typo/win metrics interpreted differe

From: Werner LEMBERG
Subject: Re: [ft-devel] Variable fonts: hhea/typo/win metrics interpreted differently for instances compared to static fonts?
Date: Thu, 20 Dec 2018 11:32:36 +0100 (CET)

> I just tested the static and variable fonts in macOS 10.14 TextEdit.
> For the static instances, it presumably takes the hhea metrics, for
> the VF, it always takes typo metrics. (It also adds the line gap at
> the bottom, making text look weird, but maybe that's because the
> layout logic is broken.)

Thanks for testing!

> So that would speak in favor of always using either typo or win
> metrics for variable fonts, even for the default outlines?


> Or maybe this is really the fault of GTK/Pango/something because it
> loads the default outline instead of the default instance, which
> would yield the correct metrics?

This is certainly the most convenient solution for me since I have
nothing to do on the FreeType side :-)

Your question, however, is a fundamental one: Shall a VF font be
always treated as VF, or is the `VFness' an optional feature?


reply via email to

[Prev in Thread] Current Thread [Next in Thread]