[GX] Add hb_ot_layout_feature_with_variations_get_lookups()
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index b352cdb..345d5e6 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -582,10 +582,13 @@
unsigned int *lookup_count /* IN/OUT */,
unsigned int *lookup_indexes /* OUT */)
{
- const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
- const OT::Feature &f = g.get_feature (feature_index);
-
- return f.get_lookup_indexes (start_offset, lookup_count, lookup_indexes);
+ return hb_ot_layout_feature_with_variations_get_lookups (face,
+ table_tag,
+ feature_index,
+ HB_OT_LAYOUT_NO_VARIATIONS_INDEX,
+ start_offset,
+ lookup_count,
+ lookup_indexes);
}
/**
@@ -850,6 +853,23 @@
return g.find_variations_index (coords, num_coords, variations_index);
}
+unsigned int
+hb_ot_layout_feature_with_variations_get_lookups (hb_face_t *face,
+ hb_tag_t table_tag,
+ unsigned int feature_index,
+ unsigned int variations_index,
+ unsigned int start_offset,
+ unsigned int *lookup_count /* IN/OUT */,
+ unsigned int *lookup_indexes /* OUT */)
+{
+ ASSERT_STATIC (OT::FeatureVariations::NOT_FOUND_INDEX == HB_OT_LAYOUT_NO_VARIATIONS_INDEX);
+ const OT::GSUBGPOS &g = get_gsubgpos_table (face, table_tag);
+
+ const OT::Feature &f = g.get_feature_variation (feature_index, variations_index);
+
+ return f.get_lookup_indexes (start_offset, lookup_count, lookup_indexes);
+}
+
/*
* OT::GSUB