On 13-02-20 08:03 AM, Jonathan Kew wrote: > On 20/2/13 12:24, Lóránt Pintér wrote: >> I'm trying this with a font that has the kerning data in the "kern" >> table as well as in the "GPOS" table. (Is that possible?) >> >> Can you show me a font that this feature works with? >> > > I thought we'd seen it work last week, but now it doesn't seem to. :( Behdad, > did we miss something here? It seems to me like the skippy_iter in > PairPosFormat1::apply doesn't know what it's looking for...
Ouched. Fixed in master. b > JK > >> -- >> >> *Lóránt Pintér* >> >> Developer at Prezi <http://prezi.com> >> >> On Wednesday, February 20, 2013 at 10:26 AM, Jonathan Kew wrote: >> >>> On 19/2/13 23:35, Lóránt Pintér wrote: >>>> Using ZWNJ would be a great way of fixing it. And indeed it splits the >>>> ligature all right, but it also destroys the kerning. Here's a little >>>> test I did with HarfBuzz @ e0486fc1affd3796fb8f664e2e7fc208f1d2106c: >>>> (the font has an "fi" ligature, and has some kerning between "F" and ",") >>>> >>>> Splitting the ligature with the ZWNJ works: >>>> >>>> Shaped "fif\u200Ci" with features: [ ] >>>> Glyph: #682, x_advance: 652 >>>> Glyph: #71, x_advance: 380 >>>> Glyph: #3, x_advance: 0 >>>> Glyph: #74, x_advance: 292 >>>> >>>> Kerning across the ZWNJ does not: >>>> >>>> Shaped "F,F\u200C," with features: [ ] >>>> Glyph: #39, x_advance: 483 >>>> Glyph: #13, x_advance: 242 >>>> Glyph: #39, x_advance: 563 >>>> Glyph: #3, x_advance: 0 >>>> Glyph: #13, x_advance: 242 >>>> >>>> Is it possible that doing this will be supported later in HarfBuzz? >>> >>> Hmm - is that font using a legacy 'kern' table, or a GPOS 'kern' >>> feature? For the former, I can understand that kerning would break, as >>> it's a naïve glyph-pair lookup, but for the latter, I thought we should >>> now ignore the ZWNJ. >>> >>> JK >> > > -- behdad http://behdad.org/ _______________________________________________ HarfBuzz mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/harfbuzz
