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From: Hans Hagen <pragma@wxs.nl>
To: massifr@fastwebnet.it,
	mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re:  automatically "smashing" È in xml typesetting
Date: Tue, 12 Apr 2016 21:57:59 +0200	[thread overview]
Message-ID: <570D5347.3000405@wxs.nl> (raw)
In-Reply-To: <9804790.BI1OykXjQi@max>

On 4/12/2016 6:42 PM, massifr@fastwebnet.it wrote:
> Thank you Hans for your example:
>
>>> so I'm looking for an automatic way to replace every "È" in the text with "\smash{È}".
>>
>> \definefontfeature[default][default][dimensions={0,1.9,0}]
>>
>
> It took a while to understand how it works but it was worthy.
>
> I try to summarize because others may find it useful:
> - the "dimensions" feature is defined in font-ext.lua
> - its parameters modify the footprint of the glyphs of a font
> - its parameters are factors for glyph's width, height (over the baseline) and depth (under the baseline)
> - they are factors of emwidth, exheight and exheight respectively
> - a value of zero for any of them means "leave the default value untouched",
>    dimensions={0,1.9,0} means that only the height of (the footprint of) glyphs is set to 1.9 times exheight,
>    the other two dimensions stay untouched
>
> Before looking at the code I started playing with the dimensions values
> to understand what they controlled. One trial was this
>
> \definefontfeature[default][default][dimensions={2,0,0}]
>
> I got "spaced" text (glyphs have a larger footprint and appear spaced)
>
> But this does not work:
>
> \definefontfeature[spaced][dimensions={2,0,0}]
> \starttext
> Normal text and {\feature[+][spaced]spaced text}
> \stoptext
>
> Is it a feature that works only globally?

per font instance, so you can selectively use it


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      parent reply	other threads:[~2016-04-12 19:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-11  9:29 massifr
2016-04-11 14:44 ` Hans Hagen
2016-04-12 16:42   ` massifr
2016-04-12 19:56     ` Hans Hagen
2016-04-12 19:57     ` Hans Hagen [this message]

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