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From: <denis.maier@unibe.ch>
To: <ntg-context@ntg.nl>, <texml@fiee.net>
Subject: Re: Fontsizes in Adobe Acrobat vs ConTeXt
Date: Tue, 20 Jul 2021 11:43:38 +0000	[thread overview]
Message-ID: <b7fb37e9f0174909b8a929f0fa72148f@unibe.ch> (raw)
In-Reply-To: <50274EFF-9493-4ED9-AF7C-AD0FB8E95134@fiee.net>

> -----Ursprüngliche Nachricht-----
> Von: ntg-context <ntg-context-bounces@ntg.nl> Im Auftrag von Henning
> Hraban Ramm
> Gesendet: Dienstag, 20. Juli 2021 13:12
> An: mailing list for ConTeXt users <ntg-context@ntg.nl>
> Betreff: Re: [NTG-context] Fontsizes in Adobe Acrobat vs ConTeXt
> 
> 
> 
> > Am 20.07.2021 um 13:09 schrieb denis.maier@unibe.ch:
> >
> > Hi,
> >
> > I have to reproduce a book layout that was done in Adobe Indesign, and I
> don’t really manage to get the right fontsizes, i.e. according to Acrobat Pro the
> fonts are consistently a bit smaller then expected.
> > That may well be an Adobe problem, it’s just that I have to aim for rather
> specific target values... As you can see below the deviation is not so significant
> with the normal font size and bigger sizes, but more so with the smaller sizes.
> 
> The TeX point is smaller than the PostScript/DTP point.
> Use the unit "bp" to get the same sizes as in desktop apps.
> 
> See https://en.wikipedia.org/wiki/Point_(typography)
> 
> Hraban

Thanks for your help. That's already better. The base font size, and the bigger sizes are correct now. But it still does not work with the smaller sizes:

% ---------------------------------------
\setupbodyfont[10bp] 
\definebodyfontenvironment
	[10bp]
	[xx=7bp,
	x=8.5bp,
	a=11.75bp, 
	b=15bp,
	] 

\starttext


{\tfxx Smallest } % => expected 7pt, actual 6pt with LM Roman 7

{\tfx Small} % => expected 8.5pt, actual 8pt with LM Roman 9

{\tf Normal} % => expected 10pt, ok

{\tfa Larger} % => expected 11.75pt, ok

{\tfb Largest} % => expected 15pt, ok

\stoptext
%-------------------------------------------------------

Maybe that's an issue with optical sizes?

Best,
Denis
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  reply	other threads:[~2021-07-20 11:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20 11:09 denis.maier
2021-07-20 11:12 ` Henning Hraban Ramm
2021-07-20 11:43   ` denis.maier [this message]
2021-07-29 12:19     ` Denis Maier via ntg-context
2021-07-29 13:07       ` Hans Hagen via ntg-context
2021-07-29 13:12         ` Denis Maier via ntg-context

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