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Diffstat (limited to 'thirdparty/harfbuzz/src/hb-ot-map.hh')
-rw-r--r--thirdparty/harfbuzz/src/hb-ot-map.hh28
1 files changed, 15 insertions, 13 deletions
diff --git a/thirdparty/harfbuzz/src/hb-ot-map.hh b/thirdparty/harfbuzz/src/hb-ot-map.hh
index 5f2afae281..a7b5eec30d 100644
--- a/thirdparty/harfbuzz/src/hb-ot-map.hh
+++ b/thirdparty/harfbuzz/src/hb-ot-map.hh
@@ -56,6 +56,7 @@ struct hb_ot_map_t
unsigned int auto_zwnj : 1;
unsigned int auto_zwj : 1;
unsigned int random : 1;
+ unsigned int per_syllable : 1;
int cmp (const hb_tag_t tag_) const
{ return tag_ < tag ? -1 : tag_ > tag ? 1 : 0; }
@@ -66,6 +67,7 @@ struct hb_ot_map_t
unsigned short auto_zwnj : 1;
unsigned short auto_zwj : 1;
unsigned short random : 1;
+ unsigned short per_syllable : 1;
hb_mask_t mask;
HB_INTERNAL static int cmp (const void *pa, const void *pb)
@@ -137,19 +139,15 @@ struct hb_ot_map_t
return map ? map->stage[table_index] : UINT_MAX;
}
- void get_stage_lookups (unsigned int table_index, unsigned int stage,
- const struct lookup_map_t **plookups, unsigned int *lookup_count) const
+ hb_array_t<const hb_ot_map_t::lookup_map_t>
+ get_stage_lookups (unsigned int table_index, unsigned int stage) const
{
if (unlikely (stage > stages[table_index].length))
- {
- *plookups = nullptr;
- *lookup_count = 0;
- return;
- }
+ return hb_array<const hb_ot_map_t::lookup_map_t> (nullptr, 0);
+
unsigned int start = stage ? stages[table_index][stage - 1].last_lookup : 0;
unsigned int end = stage < stages[table_index].length ? stages[table_index][stage].last_lookup : lookups[table_index].length;
- *plookups = end == start ? nullptr : &lookups[table_index][start];
- *lookup_count = end - start;
+ return lookups[table_index].as_array ().sub_array (start, end - start);
}
HB_INTERNAL void collect_lookups (unsigned int table_index, hb_set_t *lookups) const;
@@ -165,7 +163,7 @@ struct hb_ot_map_t
private:
- hb_mask_t global_mask;
+ hb_mask_t global_mask = 0;
hb_sorted_vector_t<feature_map_t> features;
hb_vector_t<lookup_map_t> lookups[2]; /* GSUB/GPOS */
@@ -183,7 +181,8 @@ enum hb_ot_map_feature_flags_t
F_GLOBAL_MANUAL_JOINERS= F_GLOBAL | F_MANUAL_JOINERS,
F_GLOBAL_HAS_FALLBACK = F_GLOBAL | F_HAS_FALLBACK,
F_GLOBAL_SEARCH = 0x0010u, /* If feature not found in LangSys, look for it in global feature list and pick one. */
- F_RANDOM = 0x0020u /* Randomly select a glyph from an AlternateSubstFormat1 subtable. */
+ F_RANDOM = 0x0020u, /* Randomly select a glyph from an AlternateSubstFormat1 subtable. */
+ F_PER_SYLLABLE = 0x0040u /* Contain lookup application to within syllable. */
};
HB_MARK_AS_FLAG_T (hb_ot_map_feature_flags_t);
@@ -201,7 +200,7 @@ struct hb_ot_map_builder_t
public:
HB_INTERNAL hb_ot_map_builder_t (hb_face_t *face_,
- const hb_segment_properties_t *props_);
+ const hb_segment_properties_t &props_);
HB_INTERNAL ~hb_ot_map_builder_t ();
@@ -209,6 +208,8 @@ struct hb_ot_map_builder_t
hb_ot_map_feature_flags_t flags=F_NONE,
unsigned int value=1);
+ HB_INTERNAL bool has_feature (hb_tag_t tag);
+
void add_feature (const hb_ot_map_feature_t &feat)
{ add_feature (feat.tag, feat.flags); }
@@ -237,7 +238,8 @@ struct hb_ot_map_builder_t
hb_mask_t mask,
bool auto_zwnj = true,
bool auto_zwj = true,
- bool random = false);
+ bool random = false,
+ bool per_syllable = false);
struct feature_info_t {
hb_tag_t tag;