walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[ot-map] Use hb_array for a return value

This commit is contained in:
Behdad Esfahbod 2022-07-20 13:10:28 -06:00
parent a92d988d3d
commit 55a1e0bb11
2 changed files with 10 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/hb-ot-map.hh
View File

@ -139,19 +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;

12
src/hb-ot-shaper-indic.cc
View File

@ -92,24 +92,22 @@ struct hb_indic_would_substitute_feature_t
void init (const hb_ot_map_t *map, hb_tag_t feature_tag, bool zero_context_)
{
zero_context = zero_context_;
map->get_stage_lookups (0/*GSUB*/,
map->get_feature_stage (0/*GSUB*/, feature_tag),
&lookups, &count);
lookups = map->get_stage_lookups (0/*GSUB*/,
map->get_feature_stage (0/*GSUB*/, feature_tag));
}
bool would_substitute (const hb_codepoint_t *glyphs,
unsigned int glyphs_count,
hb_face_t *face) const
{
for (unsigned int i = 0; i < count; i++)
if (hb_ot_layout_lookup_would_substitute (face, lookups[i].index, glyphs, glyphs_count, zero_context))
for (const auto &lookup : lookups)
if (hb_ot_layout_lookup_would_substitute (face, lookup.index, glyphs, glyphs_count, zero_context))
return true;
return false;
}
private:
const hb_ot_map_t::lookup_map_t *lookups;
unsigned int count;
hb_array_t<const hb_ot_map_t::lookup_map_t> lookups;
bool zero_context;
};