[ft] Work around a freetype bug

2022-12-24 12:57:33 -07:00 · 2022-12-24 12:57:33 -07:00 · 79c5bb92ce
parent a7a93b85e6
commit 79c5bb92ce
1 changed files with 3 additions and 0 deletions
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@ -462,6 +462,9 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data,
    else
    {
      FT_Get_Advance (ft_face, glyph, load_flags, &v);
+      /* Work around bug that FreeType seems to return negative advance
+       * for variable-set fonts if x_scale is negative! */
+      v = abs (v);
      ft_font->advance_cache.set (glyph, v);
    }