From: Max Chernoff via ntg-context <ntg-context@ntg.nl>
To: ntg-context@ntg.nl
Cc: Max Chernoff <mseven@telus.net>
Subject: Re: Changing font and font size inside textex
Date: Mon, 30 May 2022 17:31:52 -0600 [thread overview]
Message-ID: <b3eaaca9-cca7-fee0-4a87-b4a4b2c4fa17@telus.net> (raw)
In-Reply-To: <CAGraPNcQCtMEgrdNxP7A+fXDQP5-7L+CsUTk=7y_Hb7aWQ2EZQ@mail.gmail.com>
> I'm using the following macro to set the font size via h-height:
>
> \starttexdefinition setxheight [#1][#2]
> \switchtobodyfont[#1, 12pt]
> \scratchdimen=\dimexpr#2\relax
> \switchtobodyfont[#1, \cldcontext{tex.dimen.scratchdimen / tex.sp"1ex"
> * tex.sp"1em" .. "sp"}]
> \stoptexdefinition
>
> But I can't figure out how to use that in MPpage.
So it looks like the "\cldcontext" command doesn't work quite right
inside "textext", and it also looks like "\switchtobodyfont" doesn't
take effect until text is actually typeset when we're inside "textext".
This seems to work:
\starttexdefinition setxheight [#1]
\switchtobodyfont[\the\dimexpr #1 * \number\dimexpr1em\relax / \number\dimexpr1ex\relax \relax]
\stoptexdefinition
\starttext
\switchtobodyfont[adventor]
\startMPpage
draw textext.origin("\setxheight[1cm]Hello!");
draw (0, 1cm) -- (6cm, 1cm);
\stopMPpage
\switchtobodyfont[pagella]
\startMPpage
draw textext.origin("\setxheight[1cm]Hello!");
draw (0, 1cm) -- (6cm, 1cm);
\stopMPpage
\switchtobodyfont[heros]
\startMPpage
draw textext.origin("\setxheight[6pt]Hello!");
draw textext.origin("\setxheight[24pt]Hello!");
draw (0, 6pt) -- (6cm, 6pt);
draw (0, 24pt) -- (6cm, 24pt);
\stopMPpage
\stoptext
The catch here is that you need to set the font family *before* you
start the MPpage.
-- Max
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next prev parent reply other threads:[~2022-05-30 23:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-30 18:46 Stefan Nedeljkovic via ntg-context
2022-05-30 23:31 ` Max Chernoff via ntg-context [this message]
2022-05-31 5:10 ` Stefan Nedeljkovic via ntg-context
2022-05-31 7:42 ` Max Chernoff via ntg-context
2022-05-31 13:18 ` Stefan Nedeljkovic via ntg-context
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