[GSUB] Don't erase glyph classes if GDEF does not have glyph classes

12 years ago · 2fca1426ca
parent fd42257f8c
commit 2fca1426ca
1 changed files with 4 additions and 1 deletions
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@ -231,7 +231,10 @@ struct hb_apply_context_t

  inline void set_klass_guess (unsigned int klass_guess) const
  {
-    buffer->cur().props_cache() = has_glyph_classes ? 0 : klass_guess;
+    if (likely (has_glyph_classes))
+      buffer->cur().props_cache() = 0;
+    else if (klass_guess)
+      buffer->cur().props_cache() = klass_guess;
  }

  inline void output_glyph (hb_codepoint_t glyph_index,