Re: Persian joining and Pango.

[Aidan Kehoe <kehoea parhasard net>]

Hi Behdad,

 Ar an naoú lá is fiche de mí Lúnasa, scríobh Behdad Esfahbod: 

 > Can you point me to the code using Pango? 

Sure:

https://bitbucket.org/kehoea/xemacs-gtk/src/97df8ecdf78e/src/redisplay-gtk.c#cl-99

 > I doubt Pango beiing involved in that shaping process.

:-) .

Here are a couple of screenshots, the first of XEmacs with font Monospace 10,
the second of pango-view with the same font and the same (copied and pasted)
text:

http://www.parhasard.net/images/xemacs-gtk-with-persian-alphabet-20110829.png
http://www.parhasard.net/images/pango-view-with-persian-alphabet-20110829.png

Thanks for your attention.

Best,

Aidan

 > behdad
 > 
 > On 08/28/11 09:42, Aidan Kehoe wrote:
 > > 
 > > Hello there,
 > > 
 > > I’m one of the XEmacs developers. Our GTK version, available here:
 > > http://anonscm.debian.org/hg/xemacs/xemacs-gtk/ , uses Pango. Joining for
 > > Arabic-specific characters works fine, but joining for Persian-specific
 > > characters doesn’t. So when I type:
 > > 
 > > الف به په ته ثه 
 > > 
 > > alef, beh, teh and theh appear with no problems (well, the bidi is
 > > iffy, but one step at a time), while peh doesn’t join to heh. On the
 > > same machine, pango-view with the same text joins with no problems.
 > > 
 > > I’ve tried setting the GTK language to Persian; this doesn’t work because
 > > the system locale doesn’t support it, but as far as I can see it shouldn’t
 > > be necessary anyway. It’s not immediately obvious to me where to look next;
 > > any pointers would be welcome.
 > > 
 > > Some version info:
 > > 
 > > $ pango-view --version
 > > pango-view (pango) 1.28.4
 > > Pango module interface version: 1.6.0
 > > $ pkg-config --modversion pango   
 > > 1.28.4
 > > $ pkg-config --modversion gtk+-2.0
 > > 2.22.1
 > > $ pkg-config --modversion fontconfig
 > > 2.8.0
 > > $ pkg-config --modversion freetype2 
 > > 12.2.6
 > > $ 

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