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[subset-plan] Pre-size maps in _create_old_gid_to_new_gid_map()

This commit is contained in:
Behdad Esfahbod 2022-05-18 12:34:27 -06:00
parent f82ee17a75
commit ce60462173
1 changed files with 7 additions and 1 deletions
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8
src/hb-subset-plan.cc
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@ -428,13 +428,19 @@ _create_old_gid_to_new_gid_map (const hb_face_t *face,
hb_map_t *reverse_glyph_map, /* OUT */
unsigned int *num_glyphs /* OUT */)
{
unsigned pop = all_gids_to_retain->get_population ();
reverse_glyph_map->resize (pop);
glyph_map->resize (pop);
if (!retain_gids)
{
+ hb_enumerate (hb_iter (all_gids_to_retain), (hb_codepoint_t) 0)
| hb_sink (reverse_glyph_map)
;
*num_glyphs = reverse_glyph_map->get_population ();
} else {
}
else
{
+ hb_iter (all_gids_to_retain)
| hb_map ([] (hb_codepoint_t _) {
return hb_pair_t<hb_codepoint_t, hb_codepoint_t> (_, _);