33 /* Variations of this code exist in hb-coretext-shape.cc as well
34  * as hb-aat-map.cc... */
42   hb_ms_feature_t *features;  member
51     const auto *a = (const hb_ms_active_feature_t *) pa;  in cmp()
52     const auto *b = (const hb_ms_active_feature_t *) pb;  in cmp()
53     return a->fea.tag_le < b->fea.tag_le ? -1 : a->fea.tag_le > b->fea.tag_le ? 1 :  in cmp()
54 	   a->order < b->order ? -1 : a->order > b->order ? 1 :  in cmp()
55 	   a->fea.value < b->fea.value ? -1 : a->fea.value > b->fea.value ? 1 :  in cmp()
69     const auto *a = (const hb_ms_feature_event_t *) pa;  in cmp()
70     const auto *b = (const hb_ms_feature_event_t *) pb;  in cmp()
71     return a->index < b->index ? -1 : a->index > b->index ? 1 :  in cmp()
72 	   a->start < b->start ? -1 : a->start > b->start ? 1 :  in cmp()
73 	   hb_ms_active_feature_t::cmp (&a->feature, &b->feature);  in cmp()
78   hb_ms_features_t features;  member
80   unsigned int index_last;  /* == end - 1 */
84 hb_ms_setup_features (const hb_feature_t                *features,  in hb_ms_setup_features()  argument
92   /* Sort features by start/end events. */  in hb_ms_setup_features()
97     feature.fea.tag_le = hb_uint32_swap (features[i].tag);  in hb_ms_setup_features()
98     feature.fea.value = features[i].value;  in hb_ms_setup_features()
104     event->index = features[i].start;  in hb_ms_setup_features()
105     event->start = true;  in hb_ms_setup_features()
106     event->feature = feature;  in hb_ms_setup_features()
109     event->index = features[i].end;  in hb_ms_setup_features()
110     event->start = false;  in hb_ms_setup_features()
111     event->feature = feature;  in hb_ms_setup_features()
121     auto *event = feature_events.push ();  in hb_ms_setup_features()
122     event->index = 0; /* This value does magic. */  in hb_ms_setup_features()
123     event->start = false;  in hb_ms_setup_features()
124     event->feature = feature;  in hb_ms_setup_features()
127   /* Scan events and save features for each range. */  in hb_ms_setup_features()
132     auto *event = &feature_events[i];  in hb_ms_setup_features()
134     if (event->index != last_index)  in hb_ms_setup_features()
136       /* Save a snapshot of active features and the range. */  in hb_ms_setup_features()
137       auto *range = range_records.push ();  in hb_ms_setup_features()
138       auto offset = feature_records.length;  in hb_ms_setup_features()
143 …     if (!j || active_features[j].fea.tag_le != feature_records[feature_records.length - 1].tag_le)  in hb_ms_setup_features()
150           feature_records[feature_records.length - 1].value = active_features[j].fea.value;  in hb_ms_setup_features()
156       range->features.features = reinterpret_cast<hb_ms_feature_t *> (offset);  in hb_ms_setup_features()
157       range->features.num_features = feature_records.length - offset;  in hb_ms_setup_features()
158       range->index_first = last_index;  in hb_ms_setup_features()
159       range->index_last  = event->index - 1;  in hb_ms_setup_features()
161       last_index = event->index;  in hb_ms_setup_features()
164     if (event->start)  in hb_ms_setup_features()
166       active_features.push (event->feature);  in hb_ms_setup_features()
170       auto *feature = active_features.lsearch (event->feature);  in hb_ms_setup_features()
172         active_features.remove_ordered (feature - active_features.arrayZ);  in hb_ms_setup_features()
182     auto *range = &range_records[i];  in hb_ms_setup_features()
183 …range->features.features = (hb_ms_feature_t *) feature_records + reinterpret_cast<uintptr_t> (rang…  in hb_ms_setup_features()
201   auto *last_range = &range_records[0];  in hb_ms_make_feature_ranges()
204     auto *range = last_range;  in hb_ms_make_feature_ranges()
205     while (log_clusters[i] < range->index_first)  in hb_ms_make_feature_ranges()
206       range--;  in hb_ms_make_feature_ranges()
207     while (log_clusters[i] > range->index_last)  in hb_ms_make_feature_ranges()
210         &range->features != range_features[range_features.length - 1])  in hb_ms_make_feature_ranges()
212       auto **features = range_features.push ();  in hb_ms_make_feature_ranges()  local
213       auto *c = range_counts.push ();  in hb_ms_make_feature_ranges()
214       if (unlikely (!features || !c))  in hb_ms_make_feature_ranges()
220       *features = &range->features;  in hb_ms_make_feature_ranges()
225       range_counts[range_counts.length - 1]++;  in hb_ms_make_feature_ranges()