Re: Arabic with LuaTeX vs. XeTeX

[Khaled Hosny <khaledhosny@eglug.org>]

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On Mon, Jun 09, 2008 at 11:13:06AM +0200, Otared Kavian wrote:
> Dear all,
>
> I just read the thread started by Burak Emir about "Typesetting Arabic  
> today", and tried to typeset the sample sent by Idris Samawi Hamid.
> One of the Arabic or Persian fonts that I have and LuaTeX can find is  
> Nadeem (working on Mac OS X 10.5.3), but what I get after typesetting is 
> the following attached PDF: all the characters are typeset with their 
> isolated form. However typestting the same text with XeConTeXt or XeTeX 
> gives a nice result.

May be the font is built with AAT tables and not OpenType, XeTeX
supports AAT on mac but I don't think LuaTeX does.

 Khaled

>
> So my question is, what should I add or subtract from the font features 
> parameters to get a correct result?


>
>
>
> The source file is as follows:
>
> % engine=luatex
> \starttext
>
> \definefontfeature
>   [test]
>   [analyze=yes,
>   mode=node,
>   language=dflt,
>   script=arab,
>   aalt=yes,
>   init=yes,
>   medi=yes,
>   fina=yes,
>   isol=yes,
>   liga=yes,
>   mset=yes]
>
> \font\TradArabic = Nadeem*test    at 18pt
>
> \startbuffer[paragraph]
> الحمدلله حمد معترف بحمده، مغترف من بحار مجده، بلسان
> الثناۤء شاكرا، ولحسن الاۤئه ناشرا؛ الذي خلق الموت والحيوة، والخير
> والشر، والنفع والضر، والسكون والحركة، والأرواح
> والأجسام، والذكر والنسيان.
>
> \blank
>
> اَلْحَمْدُ لِلّٰهِ حَمْدَ مُعْتَرِفٍ بِحَمْدِهٖ، مُغْتَرِفٌ مِنْ بِحَارِ مَجْدِهٖ، بِلِسَانِ
> الثَّنَاۤءِ شَاكِرًا، وَلِحُسْنِ اٰلاۤئِهٖ نَاشِرًا؛ اَلَّذِيْ خَلَقَ الْمَوْتَ وَالْحَيٰوةَ، وَالْخَيْرَ
> وَالشَّرَّ، وَالنَّفْعَ وَالضَّرَّ، وَالسُّكُوْنَ وَالْحَرَكَةَ، وَالْأَرْوَاحَ
> وَالْأَجْسَامَ، وَالذِّكْرَ وَالنِّسْيَانَ.
>
> \stopbuffer
>
> \start
> \TradArabic
> \pardir TRT \textdir TRT
> \getbuffer[paragraph]
> \stop
>
> \stoptext

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> 
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-- 
 Khaled Hosny
 Arabic localizer and member of Arabeyes.org team

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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : https://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________