[subset] reset the visited lookup count before each closure iteration.

3 years ago · d67025705f
parent 23159084b4
commit d67025705f
2 changed files with 4 additions and 0 deletions
--- a/src/hb-ot-layout-gsubgpos.hh
+++ b/src/hb-ot-layout-gsubgpos.hh
@ -81,6 +81,9 @@ struct hb_closure_context_t :
    nesting_level_left++;
  }

+  void reset_lookup_visit_count ()
+  { lookup_count = 0; }
+
  bool lookup_limit_exceeded ()
  { return lookup_count > HB_MAX_LOOKUP_VISIT_COUNT; }

--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@ -1530,6 +1530,7 @@ hb_ot_layout_lookups_substitute_closure (hb_face_t      *face,
  unsigned int glyphs_length;
  do
  {
+    c.reset_lookup_visit_count ();
    glyphs_length = glyphs->get_population ();
    if (lookups)
    {