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[aat] Always generate a feature range

This commit is contained in:
Behdad Esfahbod 2023-01-09 21:42:19 -07:00
parent db4c874758
commit c08308a83c
1 changed files with 69 additions and 68 deletions
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9
src/hb-aat-map.cc
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@ -85,14 +85,16 @@ void
hb_aat_map_builder_t::compile (hb_aat_map_t &m) hb_aat_map_builder_t::compile (hb_aat_map_t &m)
{ {
/* Compute active features per range, and compile each. */ /* Compute active features per range, and compile each. */
if (features.length)
{
/* Sort features by start/end events. */ /* Sort features by start/end events. */
hb_vector_t<feature_event_t> feature_events; hb_vector_t<feature_event_t> feature_events;
for (unsigned int i = 0; i < features.length; i++) for (unsigned int i = 0; i < features.length; i++)
{ {
auto &feature = features[i]; auto &feature = features[i];
if (features[i].start == features[i].end)
continue;
feature_event_t *event; feature_event_t *event;
event = feature_events.push (); event = feature_events.push ();
@ -112,7 +114,7 @@ hb_aat_map_builder_t::compile (hb_aat_map_t &m)
feature.seq = features.length + 1; feature.seq = features.length + 1;
feature_event_t *event = feature_events.push (); feature_event_t *event = feature_events.push ();
event->index = 0; /* This value does magic. */ event->index = -1; /* This value does magic. */
event->start = false; event->start = false;
event->feature = feature; event->feature = feature;
} }
@ -160,7 +162,6 @@ hb_aat_map_builder_t::compile (hb_aat_map_t &m)
active_features.remove_ordered (feature - active_features.arrayZ); active_features.remove_ordered (feature - active_features.arrayZ);
} }
} }
}
} }