diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp')
-rw-r--r-- | src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp index b1ba84fe14..e1167823cf 100644 --- a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp +++ b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp @@ -1118,7 +1118,7 @@ static bool addFontToDatabase(QString familyName, } static int QT_WIN_CALLBACK storeFont(const LOGFONT *logFont, const TEXTMETRIC *textmetric, - DWORD type, LPARAM) + DWORD type, LPARAM lparam) { const ENUMLOGFONTEX *f = reinterpret_cast<const ENUMLOGFONTEX *>(logFont); const QString familyName = QString::fromWCharArray(f->elfLogFont.lfFaceName); @@ -1128,8 +1128,16 @@ static int QT_WIN_CALLBACK storeFont(const LOGFONT *logFont, const TEXTMETRIC *t // to the documentation is identical to a TEXTMETRIC except for the last four // members, which we don't use anyway const FONTSIGNATURE *signature = nullptr; - if (type & TRUETYPE_FONTTYPE) + if (type & TRUETYPE_FONTTYPE) { signature = &reinterpret_cast<const NEWTEXTMETRICEX *>(textmetric)->ntmFontSig; + // We get a callback for each script-type supported, but we register them all + // at once using the signature, so we only need one call to addFontToDatabase(). + QSet<QPair<QString,QString>> *foundFontAndStyles = reinterpret_cast<QSet<QPair<QString,QString>> *>(lparam); + QPair<QString,QString> fontAndStyle(familyName, styleName); + if (foundFontAndStyles->contains(fontAndStyle)) + return 1; + foundFontAndStyles->insert(fontAndStyle); + } addFontToDatabase(familyName, styleName, *logFont, textmetric, signature, type); // keep on enumerating @@ -1149,7 +1157,8 @@ void QWindowsFontDatabase::populateFamily(const QString &familyName) familyName.toWCharArray(lf.lfFaceName); lf.lfFaceName[familyName.size()] = 0; lf.lfPitchAndFamily = 0; - EnumFontFamiliesEx(dummy, &lf, storeFont, 0, 0); + QSet<QPair<QString,QString>> foundFontAndStyles; + EnumFontFamiliesEx(dummy, &lf, storeFont, reinterpret_cast<intptr_t>(&foundFontAndStyles), 0); ReleaseDC(0, dummy); } |