[indic-like] Add per-lookup per-syllable flag
This allows mix-and-matching per-syllable and other lookups.
In fact, removes the clear-syllables call completely.
Fixes https://github.com/harfbuzz/harfbuzz/issues/3513
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index e6ae75e..c7aa80a 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -79,22 +79,20 @@
/* Do this before any lookups have been applied. */
map->add_gsub_pause (setup_syllables_myanmar);
- map->enable_feature (HB_TAG('l','o','c','l'));
+ map->enable_feature (HB_TAG('l','o','c','l'), F_PER_SYLLABLE);
/* The Indic specs do not require ccmp, but we apply it here since if
* there is a use of it, it's typically at the beginning. */
- map->enable_feature (HB_TAG('c','c','m','p'));
+ map->enable_feature (HB_TAG('c','c','m','p'), F_PER_SYLLABLE);
map->add_gsub_pause (reorder_myanmar);
for (unsigned int i = 0; i < ARRAY_LENGTH (myanmar_basic_features); i++)
{
- map->enable_feature (myanmar_basic_features[i], F_MANUAL_ZWJ);
+ map->enable_feature (myanmar_basic_features[i], F_MANUAL_ZWJ | F_PER_SYLLABLE);
map->add_gsub_pause (nullptr);
}
- map->add_gsub_pause (_hb_clear_syllables);
-
for (unsigned int i = 0; i < ARRAY_LENGTH (myanmar_other_features); i++)
map->enable_feature (myanmar_other_features[i], F_MANUAL_ZWJ);
}
