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Pass indic3 tags to USE shaper 

Fixes https://github.com/harfbuzz/harfbuzz/issues/539
This commit is contained in:
Behdad Esfahbod 2018-10-11 17:51:21 -04:00
parent 28d091d045
commit 654365dc89
1 changed files with 4 additions and 2 deletions
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6
src/hb-ot-shape-complex.hh
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@ -254,11 +254,13 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
/* If the designer designed the font for the 'DFLT' script,
* (or we ended up arbitrarily pick 'latn'), use the default shaper.
* Otherwise, use the specific shaper.
* Note that for some simple scripts, there may not be *any*
* GSUB/GPOS needed, so there may be no scripts found! */
*
* If it's indy3 tag, send to USE. */
if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T') ||
planner->map.chosen_script[0] == HB_TAG ('l','a','t','n'))
return &_hb_ot_complex_shaper_default;
else if ((planner->map.chosen_script[0] & 0x000000FF) == '3')
return &_hb_ot_complex_shaper_use;
else
return &_hb_ot_complex_shaper_indic;