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[subset] don't keep FeatureVariationRecord's with no subsittutions.

This commit is contained in:
Garret Rieger 2021-03-25 12:33:51 -07:00
parent 85b0728783
commit dae99b7769
1 changed files with 7 additions and 6 deletions
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13
src/hb-ot-layout-common.hh
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@ -2965,7 +2965,8 @@ struct ConditionSet
+ conditions.iter ()
| hb_apply (subset_offset_array (c, out->conditions, this))
;
return_trace (true);
return_trace (bool (out->conditions));
}
bool sanitize (hb_sanitize_context_t *c) const
@ -3065,7 +3066,8 @@ struct FeatureTableSubstitution
+ substitutions.iter ()
| hb_apply (subset_record_array (l, &(out->substitutions), this))
;
return_trace (true);
return_trace (bool (out->substitutions));
}
bool sanitize (hb_sanitize_context_t *c) const
@ -3108,10 +3110,9 @@ struct FeatureVariationRecord
auto *out = c->subset_context->serializer->embed (this);
if (unlikely (!out)) return_trace (false);
out->conditions.serialize_subset (c->subset_context, conditions, base);
out->substitutions.serialize_subset (c->subset_context, substitutions, base, c);
return_trace (true);
if (!out->conditions.serialize_subset (c->subset_context, conditions, base))
return_trace (false);
return_trace (out->substitutions.serialize_subset (c->subset_context, substitutions, base, c));
}
bool sanitize (hb_sanitize_context_t *c, const void *base) const