[NTG-context] \getscaledglyph for width-only

Hans Hagen pragma at wxs.nl
Thu Aug 18 10:20:17 CEST 2016


On 8/18/2016 1:12 AM, Brian R. Landy wrote:
>
>> On Aug 17, 2016, at 5:45 PM, Hans Hagen <pragma at wxs.nl> wrote:
>>
>> On 8/17/2016 9:56 PM, Brian R. Landy wrote:
>>> Hi, I was wondering if there is a way to call \getscaledglyph to scale a
>>> glyph only horizontally, leaving the height untouched?  Or maybe an
>>> alternate command?
>>>
>>> I can sort of accomplish this with (for example)
>>> \scale[sx=0.75,sy=1.0]{}{A}, but that encloses the glyph in an \hbox,
>>> which can be problematic.  \getscaledglyph doesn't cause me any
>>> problems, except that it scales the height too.
>>
>> \starttext
>>
>> \definefontfeature[whatever][default][extend=2.5]
>>
>> \definedfont[Serif*whatever at 12pt]
>>
>> whatever
>>
>> \stoptext
>>
>
> Thank you.  One thing that \getscaledglyph does it works agnostic to the currently selected font.  For example:

scaling glyphs in one direction is kind of bad anyway so if you want 
just one glyph you can do

\inframed{\scale[width=3em,height=1ex]{...}}

or whatever suits the purpose

> \starttext
>
> % This will print a sans “A” 1.5x larger than 12pt
> \switchtobodyfont[12pt,sans]
> \getscaledglyph{1.5}{}{A}\par
>
> % This will print a serif “A” 1.5x larger than 10pt
> \switchtobodyfont[10pt,serif]
> \getscaledglyph{1.5}{}{A}\par
>
> \stoptext
>
> I’m guessing there isn’t a way to use \definedfont  in a similar fashion?

\definedfont[Serif*whatever sa 1.5]

>
> Also, I noticed that \definedfont doesn’t seem to play nicely with \switchtobodyfont:
>
> \starttext
>
> \definefontfeature[whatever][default][extend=2.5]
>
> % This looks ok
> \switchtobodyfont[12pt,serif]
> {\definedfont[Serif*whatever at 12pt] what}ever\par
>
> % the “ever” is not printed properly, it overlaps itself
> \switchtobodyfont[10pt,serif]
> {\definedfont[Serif*whatever at 10pt] what}ever\par
>
> \stoptext
>
> Best,
> Brian
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