[coretext] Recreate CTFont if pt size changed

Attempt at fixing #360
2017-10-11 13:32:38 +02:00 · 2017-10-11 13:32:38 +02:00 · a5ebe1d4ae
parent db7a73ce07
commit a5ebe1d4ae
1 changed files with 3 additions and 2 deletions
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@ -71,8 +71,9 @@ hb_coretext_face_create (CGFontRef cg_font)


 HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face)
-HB_SHAPER_DATA_ENSURE_DEFINE(coretext, font)
-
+HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font,
+                                            abs (CTFontGetSize((CTFontRef) data) -
+                                                 (font->ptem < 0 ? HB_CORETEXT_FONT_SIZE : font->ptem)) < 1)

 /*
 * shaper face data