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Re: [Inquiry] Auto-fit on monochrome output


From: Werner LEMBERG
Subject: Re: [Inquiry] Auto-fit on monochrome output
Date: Wed, 08 Nov 2023 09:28:16 +0000 (UTC)

>> ahh it's on the very legacy display, which is monochrome at 72dpi
>> we have no choice but to find out what can be done to improve the
>> appearance
> 
> Hand-tuned bitmap fonts.

Yeah, and you should additionally use well-hinted Windows fonts that
contain support for monochrome rendering.  In most cases you are on
the safe side if you choose fonts that already existed in the XP era.
Of course, if you need support for more 'exotic' languages this route
will probably be unsuccessful, alas.

Check the 'gasp' table in the fonts, for example with `ttx -t -gasp`.

  https://learn.microsoft.com/en-us/typography/opentype/spec/gasp
  https://pypi.org/project/fonttools/

For example, Windows's `pala.ttf` font comes with monochrome hinting
support in the range 9 to 17 ppem, even today, AFAICS.


    Werner



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