Re: OpenType features in Pango

[Behdad Esfahbod <behdad behdad org>]

On 06/01/2009 01:35 PM, Jeremy Smith wrote:
> I have written a simple program that takes some text and a (very small)
> subset of CSS attributes over stdin, applies the attributes, calculates
> layout dimensions, and draws the text to a PNG. It works great -- and
> once I got used to it, Pango was very easy to use.
>
> Now I want to try and add some OpenType features to my program. For
> example, I want to be able to use glyph substitution for ligatures
> (first priority) and stylistic sets (lower priority, but I imagine the
> methodology is similar to ligatures).
>
> How difficult is it to use these features from Pango? I've done some
> pretty exhaustive googling but I couldn't find any info on glyph
> substitution other than for language purposes. Does anyone have an
> example they could point to?

Currently it's not possible to enabled user-requested features.  I'm working 
on fixing this for the next stable version of pango.  You can monitor this bug:

  http://bugzilla.gnome.org/show_bug.cgi?id=545510

behdad


> Thanks so much!
> Jeremy