Re: Tibetan rendering support in ICU

I thought OpenOffice 1.1.3 was using ICU 2.6, but maybe I'm wrong.

In addition to Jens' comments, you may want to consider trying out a newer 
version of ICU.  Many changes have gone into ICU since 2.2.  ICU 3.0 has 
been out for a while and we are about to release ICU 3.2 in a couple of 
weeks.  Adding Tibetan support to a more modern version of the layout 
engine will make it significantly easier for your changes to be integrated 
into the official ICU distribution.

George Rhoten
IBM Globalization Center of Competency/ICU  San José, CA, USA
ICU main website: http://oss.software.ibm.com/icu/index.html



Guntupalli Karunakar <[email protected]> 
Sent by: [email protected]
11/02/2004 07:15 AM

To
[email protected]
cc

Subject
tibetan rendering support in ICU






Hi,
  I was trying to add Tibetan rendering support in OpenOffice, so
started working on icu-2.2 used in Openoffice 1.1.3 . On lines of
other modules, was trying to create one for Tibetan using this
opentype font - http://www.indlinux.org/downloads/files/Tibfont.zip . 
code files are 
http://www.indlinux.org/downloads/files/TibetanLayoutEngine.cpp
http://www.indlinux.org/downloads/files/TibetanLayoutEngine.h
 I am just trying a very basic one, with no character processing as
such, just assigning the feature tags to characters.  I am stuck at
the featureTags assignment level, where the test program gnomelayout
crashes, a crash report is at
http://www.indlinux.org/downloads/files/crashrep.txt

There has been an RFE #3617 for supporting Tibetan at
http://www.jtcsv.com/cgibin/icu-bugs/layout?id=3617
The above font only implements the GSUB features - ccmp, blws, abvs -
so trying to apply same.

Any clues to what I am doing wrong would be helpful.

Thanks,
Karunakar
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