Only prefer AAT morx for horizontal layout

Fixes #2124.
2020-01-24 12:11:07 +02:00 · 2020-01-24 12:11:07 +02:00 · 298c46afbf
parent fd85818b5b
commit 298c46afbf
1 changed files with 2 additions and 1 deletions
--- a/src/hb-ot-shape.cc
+++ b/src/hb-ot-shape.cc
@ -70,7 +70,8 @@ hb_ot_shape_planner_t::hb_ot_shape_planner_t (hb_face_t                     *fac
 						map (face, props),
 						aat_map (face, props)
 #ifndef HB_NO_AAT_SHAPE
-						, apply_morx (hb_aat_layout_has_substitution (face))
+                        /* https://github.com/harfbuzz/harfbuzz/issues/2124 */
+						, apply_morx (HB_DIRECTION_IS_HORIZONTAL(props->direction) && hb_aat_layout_has_substitution (face))
 #endif
 {
  shaper = hb_ot_shape_complex_categorize (this);