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[indic] Adjust Sinhala cluster merging under uniscribe 

Similar to 190c8f2b60 but for
Sinhala.
This commit is contained in:
Behdad Esfahbod 2013-10-17 16:27:38 +02:00
parent 3c3df9cba1
commit 9ac6b01e0c
1 changed files with 16 additions and 7 deletions
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23
src/hb-ot-shape-complex-indic.cc
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@ -463,7 +463,7 @@ override_features_indic (hb_ot_shape_planner_t *plan)
switch ((hb_tag_t) plan->props.script)
{
case HB_SCRIPT_KHMER:
plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
plan->map.add_feature (HB_TAG('k','e','r','n'), 0, F_GLOBAL);
break;
}
}
@ -1584,13 +1584,22 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
/*
* Finish off the clusters and go home!
*/
if (hb_options ().uniscribe_bug_compatible && buffer->props.script != HB_SCRIPT_TAMIL)
if (hb_options ().uniscribe_bug_compatible)
{
/* Uniscribe merges the entire cluster... Except for Tamil.
* This means, half forms are submerged into the main consonants cluster.
* This is unnecessary, and makes cursor positioning harder, but that's what
* Uniscribe does. */
buffer->merge_clusters (start, end);
switch ((hb_tag_t) plan->props.script)
{
case HB_SCRIPT_TAMIL:
case HB_SCRIPT_SINHALA:
break;
default:
/* Uniscribe merges the entire cluster... Except for Tamil & Sinhala.
* This means, half forms are submerged into the main consonants cluster.
* This is unnecessary, and makes cursor positioning harder, but that's what
* Uniscribe does. */
buffer->merge_clusters (start, end);
break;
}
}
}