From: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: weird behavior of font.feature.effect
Date: Sun, 8 Nov 2020 13:14:04 +0100 [thread overview]
Message-ID: <053f0afb-02c1-5a2d-bb4d-87d71455aa4c@gmail.com> (raw)
In-Reply-To: <CACNy3NBKm9GmVQfu-sDh+qkq5z5Ynd_VJ3RrjDUu8tDpDZHVAQ@mail.gmail.com>
Sylvain Hubert schrieb am 08.11.2020 um 13:02:
> On Sun, 8 Nov 2020 at 11:24, Pablo Rodriguez <oinos@gmx.es
> <mailto:oinos@gmx.es>> wrote:
>
> Hi Sylvain,
>
> this is the same as:
>
> \definefontfamily[face1][rm][gabriola]
>
> Just in case, "slanted" is an already defined feature. It slants the
> font.
>
> > \definefontfamily[face2][rm][gabriola][it={features:{default,
> > effect={}}}]
> > \definefontfamily[face3][rm][gabriola][it={features:{default,
> > effect={width=1.0}}}]
>
> BTW, the documentation is clear
> (http://texdoc.net/texmf-dist/doc/context/presentations/bachotex/2018/bachotex-2018-fonteffects.pdf#search=fontfeature):
> font features should be defined as such before being deployed.
>
> > Could someone explain:
>
> I will try from what I understand.
>
> > 1. What does "effect" mean?
>
> A ConTeXt (and not OpenType) font feature?
>
> > Why does "effect={}" embolden the fonts even though nothing ({}) is
> > given as arguments?
> "effect={}" may be reading default values (it might be intended behavior
> or not).
>
> But it also could be reading or calculating from previously defined
> values.
>
> > 2. Similarly, what does "width" do? Why does "width=1.0" shrink the
> > width of the line instead of doing nothing?
>
> This might be a bug, because of all the code improvements.
>
> I’m reporting a proper bug.
>
>
> Thank you very much for the explanation and the bug report!
>
> Just in case it helps: the line shrinking disappears with an additional
> "delta=0":
>
> \definefontfamily[face3][rm][gabriola][it={features:{default,
> effect={width=1.0, delta=0}}}]
Don't set the values within \definefontfamily:
\definefontfeature [myfeature] [effect={width=1.0, delta=0}]
\definefontfamily[face3][rm][gabriola][it={features:{default,myfeature}}]
Wolfgang
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prev parent reply other threads:[~2020-11-08 12:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-07 23:57 Sylvain Hubert
2020-11-08 10:19 ` Pablo Rodriguez
2020-11-08 12:02 ` Sylvain Hubert
2020-11-08 12:14 ` Wolfgang Schuster [this message]
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