1 files changed, 13 insertions, 0 deletions
diff --git a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
index c7209fe696..bbc5cf0c8f 100644
--- a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
+++ b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
@@ -215,6 +215,9 @@ void QCoreTextFontEngine::init()
     } else
         avgCharWidth = QFontEngine::averageCharWidth();
 
+    underlineThickness = QFixed::fromReal(CTFontGetUnderlineThickness(ctfont));
+    underlinePos = -QFixed::fromReal(CTFontGetUnderlinePosition(ctfont));
+
     cache_cost = (CTFontGetAscent(ctfont) + CTFontGetDescent(ctfont)) * avgCharWidth.toInt() * 2000;
 
     // HACK hb_coretext requires both CTFont and CGFont but user_data is only void*
@@ -762,6 +765,16 @@ bool QCoreTextFontEngine::supportsTransformation(const QTransform &transform) co
         return false;
 }
 
+QFixed QCoreTextFontEngine::lineThickness() const
+{
+    return underlineThickness;
+}
+
+QFixed QCoreTextFontEngine::underlinePosition() const
+{
+    return underlinePos;
+}
+
 QFontEngine::Properties QCoreTextFontEngine::properties() const
 {
     Properties result;