bugm17n - Bugs: bug #44693, Incorrect positions for (chained)...

 
 

bug #44693: Incorrect positions for (chained) context lookups

Submitted by:  Richard Wordingham <richardw>
Submitted on:  Wed 01 Apr 2015 09:02:06 PM UTC  
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  In Progress
Privacy:  Public Assigned to:  Kenichi Handa <handa>
Open/Closed:  Open

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Thu 02 Apr 2015 02:18:27 PM UTC, comment #1: 

Thank you for the patch.  I'm now studying the code.  It takes time to recall what I wrote by myself...  Please wait for a while.

Kenichi Handa <handa>
Project AdministratorIn charge of this item.
Wed 01 Apr 2015 09:02:06 PM UTC, original submission:  

The calculation of the position to move to after a match and the positions for invoked lookups do not take account of ignored glyphs.

Similarly, the calculation of the position to move to for a ligature substitution is not correct, but this does not matter, for no matches will be obtained in the wrong positions.

I attach a patch, for file otfdrive.c. relative to libotf 0.9.13.  It also contains an extension of the debugging information from GPOS to GSUB.

Richard Wordingham <richardw>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
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Attached Files
file #33508:  otfdrive.dif added by richardw (14KiB - video/dv - Suggested patch)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-04-02 handa StatusNone => In Progress
        Assigned toNone => handa
    2015-04-01 richardw Attached File- => Added otfdrive.dif, #33508

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