From bb45ba2f9f4469b8bf326118ffe8003fb487f1f9 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 24 Dec 2022 10:25:43 -0700
Subject: [PATCH] [ft] Fix negative y-scale

---
 src/hb-ft.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index 70cdcbe81..2142c3837 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -706,6 +706,7 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED,
     FT_Matrix matrix;
     FT_Get_Transform (ft_face, &matrix, nullptr);
     y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f;
+    y_mult *= font->y_scale < 0 ? -1 : +1;
   }
   else
 #endif