[XeTeX] fontspec and scaling

[Zdenek Wagner]

2015-01-17 20:39 GMT+01:00 Mike Maxwell <maxwell at umiacs.umd.edu>:
> On 1/17/2015 9:08 AM, Zdenek Wagner wrote:
>>
>> Fontspec does not do any magic. It just provides human friendly
>> interface to the raw commands. It is somewhere in between the raw
>> commands and GUI selection. It cannot in principle emulate optical
>> sizes but it has properties for selecting them if they are available
>> in the font.
>
>
> Thanks for the response.  I guess my question is: _If_ a font provides
> optical sizes, then presumably telling Fontspec which point size to use
> causes it to choose the optical size provided in the font (assuming one
> exists for the requested point size).  If this is correct, then to re-phrase
> my original question: If instead of specifying a point size for a particular
> font/stretch of text, I tell Fontspec to use scaling, then does it choose
> the closest optical point size provided in the font (and maybe
> magnify/demagnify it slightly if the scaling doesn't result in an exact
> optical point size)?  Or does Fontspec instead magnify/demagnify the glyphs
> from the document's default point size?

See section 7.6 (page 21) of the fontspec manual, it is explained there.
> --
>         Mike Maxwell
>         maxwell at umiacs.umd.edu
>         "My definition of an interesting universe is
>         one that has the capacity to study itself."
>         --Stephen Eastmond
>
>
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz



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