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commit 14bc77db61bf9d56f9b6c8b84aa02573605c19c6
Author: fanquake <fanquake@gmail.com>
Date: Tue Aug 18 15:15:08 2020 +0800
Fix backwards compatibility with older Freetype versions at runtime
A few years ago, libfreetype introduced FT_Get_Font_Format() as an alias
for FT_Get_X11_Font_Format(), but FT_Get_X11_Font_Format() was kept for abi
backwards-compatibility.
Qt 5.9 introduced a call to FT_Get_Font_Format(). Replace it with FT_Get_X11_Font_Format()
in order to remain compatibile with older freetype, which is still used by e.g. Ubuntu Trusty.
See #14348.
diff --git a/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
index 3f543755..8ecc1c8c 100644
--- a/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+++ b/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
@@ -898,7 +898,7 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
}
}
#if defined(FT_FONT_FORMATS_H)
- const char *fmt = FT_Get_Font_Format(face);
+ const char *fmt = FT_Get_X11_Font_Format(face);
if (fmt && qstrncmp(fmt, "CFF", 4) == 0) {
FT_Bool no_stem_darkening = true;
FT_Error err = FT_Property_Get(qt_getFreetype(), "cff", "no-stem-darkening", &no_stem_darkening);
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