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Diffstat (limited to 'thirdparty/harfbuzz/src/hb-ot-map.cc')
-rw-r--r--thirdparty/harfbuzz/src/hb-ot-map.cc27
1 files changed, 23 insertions, 4 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-map.cc b/thirdparty/harfbuzz/src/hb-ot-map.cc
index 12ceea5785..39215b335f 100644
--- a/thirdparty/harfbuzz/src/hb-ot-map.cc
+++ b/thirdparty/harfbuzz/src/hb-ot-map.cc
@@ -43,7 +43,7 @@ void hb_ot_map_t::collect_lookups (unsigned int table_index, hb_set_t *lookups_o
hb_ot_map_builder_t::hb_ot_map_builder_t (hb_face_t *face_,
- const hb_segment_properties_t *props_)
+ const hb_segment_properties_t &props_)
{
memset (this, 0, sizeof (*this));
@@ -52,7 +52,7 @@ hb_ot_map_builder_t::hb_ot_map_builder_t (hb_face_t *face_,
stages[table_index].init ();
face = face_;
- props = *props_;
+ props = props_;
/* Fetch script/language indices for GSUB/GPOS. We need these later to skip
* features not available in either table and not waste precious bits for them. */
@@ -109,6 +109,21 @@ void hb_ot_map_builder_t::add_feature (hb_tag_t tag,
info->stage[1] = current_stage[1];
}
+bool hb_ot_map_builder_t::has_feature (hb_tag_t tag)
+{
+ for (unsigned int table_index = 0; table_index < 2; table_index++)
+ {
+ if (hb_ot_layout_language_find_feature (face,
+ table_tags[table_index],
+ script_index[table_index],
+ language_index[table_index],
+ tag,
+ nullptr))
+ return true;
+ }
+ return false;
+}
+
void
hb_ot_map_builder_t::add_lookups (hb_ot_map_t &m,
unsigned int table_index,
@@ -117,7 +132,8 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t &m,
hb_mask_t mask,
bool auto_zwnj,
bool auto_zwj,
- bool random)
+ bool random,
+ bool per_syllable)
{
unsigned int lookup_indices[32];
unsigned int offset, len;
@@ -145,6 +161,7 @@ hb_ot_map_builder_t::add_lookups (hb_ot_map_t &m,
lookup->auto_zwnj = auto_zwnj;
lookup->auto_zwj = auto_zwj;
lookup->random = random;
+ lookup->per_syllable = per_syllable;
}
offset += len;
@@ -277,6 +294,7 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
map->auto_zwnj = !(info->flags & F_MANUAL_ZWNJ);
map->auto_zwj = !(info->flags & F_MANUAL_ZWJ);
map->random = !!(info->flags & F_RANDOM);
+ map->per_syllable = !!(info->flags & F_PER_SYLLABLE);
if ((info->flags & F_GLOBAL) && info->max_value == 1) {
/* Uses the global bit */
map->shift = global_bit_shift;
@@ -319,7 +337,8 @@ hb_ot_map_builder_t::compile (hb_ot_map_t &m,
m.features[i].mask,
m.features[i].auto_zwnj,
m.features[i].auto_zwj,
- m.features[i].random);
+ m.features[i].random,
+ m.features[i].per_syllable);
/* Sort lookups and merge duplicates */
if (last_num_lookups < m.lookups[table_index].length)