76   bool subset_update_header (hb_subset_plan_t *plan,  in subset_update_header()
79     hb_blob_t *src_blob = hb_sanitize_context_t ().reference_table<H> (plan->source, H::tableTag);  in subset_update_header()
91     bool result = plan->add_table (H::tableTag, dest_blob);  in subset_update_header()
133     _mtx.init (c->plan->source);  in subset()
134     unsigned num_advances = _mtx.num_advances_for_subset (c->plan);  in subset()
137     + hb_range (c->plan->num_output_glyphs ())  in subset()
141 		if (!c->plan->old_gid_for_new_gid (_, &old_gid))  in subset()
155     if (unlikely (!subset_update_header (c->plan, num_advances)))  in subset()
261     unsigned int num_advances_for_subset (const hb_subset_plan_t *plan) const  in num_advances_for_subset()
263       unsigned int num_advances = plan->num_output_glyphs ();  in num_advances_for_subset()
264       unsigned int last_advance = _advance_for_new_gid (plan,  in num_advances_for_subset()
267 	     last_advance == _advance_for_new_gid (plan,  in num_advances_for_subset()
277     unsigned int _advance_for_new_gid (const hb_subset_plan_t *plan,  in _advance_for_new_gid()
281       if (!plan->old_gid_for_new_gid (new_gid, &old_gid))  in _advance_for_new_gid()