commit bb54e1047d2d501459bb366e47f24f51824c8db7
author Garret Rieger <grieger@google.com> Tue Mar 16 13:19:26 2021 -0700
committer Garret Rieger <grieger@google.com> Tue Mar 16 14:49:35 2021 -0700
tree e646af76a144631eb3462b6b83df165a0e14b665
parent 190b7a98f8af54cc42d3ccdb6979e432dfd41aa9

[subset] Also filter class1 by coverage when collecting variation indices for PairPosFormat2.

src/hb-ot-layout-gpos-table.hh

diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 19060c7..1157d16 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1358,7 +1358,7 @@
     if ((!valueFormat1.has_device ()) && (!valueFormat2.has_device ())) return;
 
     hb_set_t class1_set, class2_set;
-    for (const unsigned cp : c->glyph_set->iter ())
+    for (const unsigned cp : + c->glyph_set->iter () | hb_filter (this + coverage))
     {
       unsigned klass1 = (this+classDef1).get (cp);
       unsigned klass2 = (this+classDef2).get (cp);