On Mon, Mar 30, 2009 at 02:41:50AM +0200, Khaled Hosny wrote: > On Mon, Mar 30, 2009 at 02:09:50AM +0200, Khaled Hosny wrote: > > On Mon, Mar 30, 2009 at 12:24:44AM +0200, Hartmut Henkel wrote: > > > On Sun, 29 Mar 2009, Khaled Hosny wrote: > > > nice example! However i don't know what to do in the TLB case. Currently > > > the glyphs hang down from the text baseline (as shown in the example), > > > but maybe in TLB mode also the glyph baselines should be aligned with > > > the text baseline. Any idea what's right? > > > > I didn't think in it before, I don't know where TLB would be used. Now, > > I can think it is used in Indic scripts (in which the glyphs usually > > hang from the base line), then TRT for Arabic would be the logical > > choice, imagine Devanagari mixed with Arabic. TRB wouldn't make any > > sense for Arabic since it will break the way glyphs are connected > > together, unless the glyphs are rotated 180 degrees which would be very > > funny but almost useless. > > I see now, I should have checked it first, sorry. I think in TLB the base > line should be raised to get better matching with, say, Arabic or Latin > script. [1] shows a nice summery of different baselines.
Replying to myself again :) this a poor attempt to imitate this:
\setbox0\hbox{A}
English text \raise\the\ht0\hbox dir TLB{Devanagari text} English again.
\bye
I don't read any Indic language myself, so all this may be nonsense :)
Regards,
Khaled
--
Khaled Hosny
Arabic localiser and member of Arabeyes.org team
Free font developer
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