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[set] Document & use open-ended del_range()

This commit is contained in:
Behdad Esfahbod 2021-07-29 11:19:13 -06:00
parent 72489f3e0e
commit 30579f5a37
3 changed files with 5 additions and 2 deletions
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2
src/hb-ot-layout-common.hh
View File

@ -2792,7 +2792,7 @@ struct VariationStore
hb_set_t region_indices;
for (unsigned int i = 0; i < inner_maps.length; i++)
(src+src->dataSets[i]).collect_region_refs (region_indices, inner_maps[i]);
region_indices.del_range ((src_regions).regionCount, region_indices.get_max ());
region_indices.del_range ((src_regions).regionCount, hb_set_t::INVALID);
/* TODO use constructor when our data-structures support that. */
hb_inc_bimap_t region_map;

2
src/hb-ot-layout-gsubgpos.hh
View File

@ -183,7 +183,7 @@ struct hb_closure_context_t :
void flush ()
{
hb_set_del_range (output, face->get_num_glyphs (), hb_set_get_max (output)); /* Remove invalid glyphs. */
hb_set_del_range (output, face->get_num_glyphs (), HB_SET_VALUE_INVALID); /* Remove invalid glyphs. */
hb_set_union (glyphs, output);
hb_set_clear (output);
active_glyphs_stack.pop ();

3
src/hb-set.cc
View File

@ -301,6 +301,9 @@ hb_set_del (hb_set_t *set,
* Removes all of the elements from @first to @last
* (inclusive) from @set.
*
* If @last is #HB_SET_VALUE_INVALID, then all values
* greater than or equal to @first are removed.
*
* Since: 0.9.7
**/
void