From f5c132ef28da5afb92d141e683b2910b4480f0ed Mon Sep 17 00:00:00 2001
From: Eirik Aavitsland <eirik.aavitsland@qt.io>
Date: Mon, 22 Jun 2020 12:12:45 +0200
Subject: [PATCH] Avoid Freetype synthesizing for large font sizes

Freetype's fake emboldening does not give good results for large font
sizes.

Pick-to: 5.15
Fixes: QTBUG-84570
Change-Id: I1a7722c1482e3450e5a549c31c9766d930fcd13a
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
---
 src/gui/text/freetype/qfontengine_ft.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/text/freetype/qfontengine_ft.cpp b/src/gui/text/freetype/qfontengine_ft.cpp
index e50cfe584ec..e916d7242f7 100644
--- a/src/gui/text/freetype/qfontengine_ft.cpp
+++ b/src/gui/text/freetype/qfontengine_ft.cpp
@@ -750,7 +750,7 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
         // fake bold
         if ((fontDef.weight >= QFont::Bold) && !(face->style_flags & FT_STYLE_FLAG_BOLD) && !FT_IS_FIXED_WIDTH(face)  && !qEnvironmentVariableIsSet("QT_NO_SYNTHESIZED_BOLD")) {
             if (const TT_OS2 *os2 = reinterpret_cast<const TT_OS2 *>(FT_Get_Sfnt_Table(face, ft_sfnt_os2))) {
-                if (os2->usWeightClass < 700)
+                if (os2->usWeightClass < 700 && fontDef.pixelSize < 64)
                     embolden = true;
             }
         }