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Bug 624457 - Add a shaper module to switch jp* feature tags
Add a shaper module to switch jp* feature tags
Status: RESOLVED OBSOLETE
Product: pango
Classification: Platform
Component: general
unspecified
Other Linux
: Normal enhancement
: ---
Assigned To: pango-maint
pango-maint
Depends on:
Blocks:
 
 
Reported: 2010-07-15 13:58 UTC by Akira TAGOH
Modified: 2012-08-27 09:39 UTC
See Also:
GNOME target: ---
GNOME version: ---


Attachments
Japanese shaper module to apply jp* feature tags (12.89 KB, patch)
2010-07-16 08:25 UTC, Akira TAGOH
none Details | Review

Description Akira TAGOH 2010-07-15 13:58:04 UTC
There are 4 feature tags for Japanese defined in OpenType specification, jp78[1], jp83[2], jp90[3] and jp04[4]. that would be nice to add a shaper module for Japanese to switch them for convenience and compatibility for Japanese character sets support.


1: http://www.microsoft.com/typography/otspec/features_fj.htm#jp78
2: http://www.microsoft.com/typography/otspec/features_fj.htm#jp83
3: http://www.microsoft.com/typography/otspec/features_fj.htm#jp90
4: http://www.microsoft.com/typography/otspec/features_fj.htm#jp04
Comment 1 Akira TAGOH 2010-07-16 08:25:32 UTC
Created attachment 166009 [details] [review]
Japanese shaper module to apply jp* feature tags

This module tries to obtain a feature tag from PANGO_JA_CHARSET environment variable that being applied for the certain font. it expects to see jp78, jp83, jp90 and jp04 so far at the environment variable.
Comment 2 Behdad Esfahbod 2012-08-18 17:06:42 UTC
I think you are already working on adding this to fontconfig, right?  Anyway, we should fix this in fontconfig+harfbuzz.  Closing obsolete here.
Comment 3 Akira TAGOH 2012-08-27 09:39:37 UTC
Yes, thanks for closing.