[Fontconfig] Pango support for `size' OpenType feature?
wl at gnu.org
Sat Sep 8 22:30:44 PDT 2012
> The only Free Software font family I can think of that can use the
> 'size' feature is Computer Modern. And I don't think any of its
> OpenType renditions have that feature set.
OK. However, LilyPond's Emmentaler font (containing musical glyphs)
also provides various design sizes and would be a good candidate.
> At any rate, it can easily go into Fontconfig. We just need to add
> an element for design size, perhaps one for the design range,
> possibly for design name, and then make the matcher match the font
> with design size closest to requested size...
If I have understood correctly how the `size' feature works, it goes
one step further: Let's assume that I request emmentaler-13 while
using 19pt, and emmentaler-18 covers the range 17pt<=size<20pt. After
applying the `size' feature, the application will use emmentaler-18.
BTW, XeLaTeX supports this, and the `fontspec' package for XeLaTeX
provides a nice emulation interface of it.
Would this possible with fontconfig also?
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