AuroraMiddleware/qt5base-lts
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

FreeType: allow falling back to synthesized bold if desired

Browse Source 
Some users still prefer the fake bold look even if in some cases it does
not look good. So add an environment variable -
QT_NO_SYNTHESIZED_BOLD_LIMIT - to allow that fallback to stay in place.

Pick-to: 6.2 5.15
Change-Id: I8212c1fa36edb4730b187dc4a23ea45f94981154
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
Andy Shaw 2021-09-09 11:34:46 +02:00
parent 5175cd89ef
commit fa53c62472
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/gui/text/freetype/qfontengine_ft.cpp
View File

@ -750,8 +750,10 @@ 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 && fontDef.pixelSize < 64)
if (os2->usWeightClass < 700 &&
(fontDef.pixelSize < 64 || qEnvironmentVariableIsSet("QT_NO_SYNTHESIZED_BOLD_LIMIT"))) {
embolden = true;
}
}
}
// underline metrics