"IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

"IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

[Khaled Hosny]

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'calt' tables aren't applied if with combining marks, though
IgnoreMarks flag is set.

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

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% engine=luatex
\ctxlua { fonts.color.trace = true }

\definefontfeature
  [arab]
  [mode=node,language=dflt,script=arab,
   init=yes,medi=yes,fina=yes,isol=yes,
   liga=yes,dlig=yes,rlig=yes,clig=yes,
   mark=yes,mkmk=yes,calt=yes,
   kern=yes,curs=yes]

\font\Arabic = arabtype*arab   at 100pt

\starttext

\startTEXpage \relax \setupcolors[state=start]%
\textdir TRT\pardir TRT\Arabic
\ تثت تَثْتَ \crlf
\stopTEXpage

\stoptext

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Re: "IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

[Hans Hagen]

Khaled Hosny wrote:
> 'calt' tables aren't applied if with combining marks, though
> IgnoreMarks flag is set.

actually the machinery works ok, but there was an optimization branch 
that didn't take marks into account; i removed the opmimization

now the green ones are the same

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
-----------------------------------------------------------------
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Re: "IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

[Khaled Hosny]

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On Sun, Jul 06, 2008 at 01:18:03PM +0200, Hans Hagen wrote:
> Khaled Hosny wrote:
> > 'calt' tables aren't applied if with combining marks, though
> > IgnoreMarks flag is set.
> 
> actually the machinery works ok, but there was an optimization branch 
> that didn't take marks into account; i removed the opmimization
> 
> now the green ones are the same

Great. Now, what remains is the cursive attachments and I'll be able to
use my font.

Regards,
 Khaled


> 
> Hans
> 
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>       tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
>                                               | www.pragma-pod.nl
> -----------------------------------------------------------------
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________

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

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

Re: "IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

[Hans Hagen]

Khaled Hosny wrote:
> On Sun, Jul 06, 2008 at 01:18:03PM +0200, Hans Hagen wrote:
>> Khaled Hosny wrote:
>>> 'calt' tables aren't applied if with combining marks, though
>>> IgnoreMarks flag is set.
>> actually the machinery works ok, but there was an optimization branch 
>> that didn't take marks into account; i removed the opmimization
>>
>> now the green ones are the same
> 
> Great. Now, what remains is the cursive attachments and I'll be able to
> use my font.

so what's wrong with cursive?

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
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
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archive  : https://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________

Re: "IgnoreMarks" flag is ignored in contextual chaining substitution OpenType tables"

[Khaled Hosny]

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On Wed, Jul 09, 2008 at 05:18:18PM +0200, Hans Hagen wrote:
> Khaled Hosny wrote:
> > On Sun, Jul 06, 2008 at 01:18:03PM +0200, Hans Hagen wrote:
> >> Khaled Hosny wrote:
> >>> 'calt' tables aren't applied if with combining marks, though
> >>> IgnoreMarks flag is set.
> >> actually the machinery works ok, but there was an optimization branch 
> >> that didn't take marks into account; i removed the opmimization
> >>
> >> now the green ones are the same
> > 
> > Great. Now, what remains is the cursive attachments and I'll be able to
> > use my font.
> 
> so what's wrong with cursive?
Basically, it doesn't work at all. I sent a message earlier about this
http://www.ntg.nl/pipermail/ntg-context/2008/032627.html.

Regards, 
 Khaled

> 
> Hans
> 
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>       tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
>                                               | www.pragma-pod.nl
> -----------------------------------------------------------------
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________

-- 
 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
___________________________________________________________________________________