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Don't include codepoint 0 in the results of collect_unicodes. 

It is always assumed to be the notdef glyph.
This commit is contained in:
Garret Rieger 2019-10-28 12:56:04 -07:00
parent aca6390281
commit 14ad96ffbf
1 changed files with 7 additions and 1 deletions
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8
src/hb-ot-cmap-table.hh
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@ -1324,7 +1324,13 @@ struct cmap
} }
void collect_unicodes (hb_set_t *out) const void collect_unicodes (hb_set_t *out) const
{ subtable->collect_unicodes (out); } {
subtable->collect_unicodes (out);
// Never include unicode codepoint 0 in the set.
// This is assumed to be the notdef glyph.
out->del (0);
}
void collect_variation_selectors (hb_set_t *out) const void collect_variation_selectors (hb_set_t *out) const
{ subtable_uvs->collect_variation_selectors (out); } { subtable_uvs->collect_variation_selectors (out); }
void collect_variation_unicodes (hb_codepoint_t variation_selector, void collect_variation_unicodes (hb_codepoint_t variation_selector,