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QFontConfigDatabase: fix fallbacksForFamily() for CJK languages

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For Han Unicode script, the language couldn't be determined algorithmically,
the only way is guessing based on the user's locale.

The is a regression introduced in 9b0fab6b62df98519ebfab117f14b9d3465d8c68

Change-Id: I84645885a825fdfb6c268edaf10185bf5e447eb5
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Konstantin Ritt 2013-03-31 19:12:08 +03:00 committed by The Qt Project
parent f0af3ed4e5
commit 0fcadcca3d
3 changed files with 6 additions and 6 deletions
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8
src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
View File

@ -134,8 +134,8 @@ static const char *specialLanguages[] = {
"mn", // Mongolian
"ja", // Hiragana
"ja", // Katakana
"zh", // Bopomofo
"zh", // Han
"zh-TW", // Bopomofo
"", // Han
"ii", // Yi
"ett", // OldItalic
"got", // Gothic
@ -697,11 +697,11 @@ QStringList QFontconfigDatabase::fallbacksForFamily(const QString &family, QFont
FcPatternAddLangSet(pattern, FC_LANG, ls);
FcLangSetDestroy(ls);
} else if (!family.isEmpty()) {
// If script is common then it may include languages like CJK,
// If script is Common or Han, then it may include languages like CJK,
// we should attach system default language set to the pattern
// to obtain correct font fallback list (i.e. if LANG=zh_CN
// then we normally want to use a Chinese font for CJK text;
// while a Japanese font should be use for that if LANG=ja)
// while a Japanese font should be used for that if LANG=ja)
FcPattern *dummy = FcPatternCreate();
FcDefaultSubstitute(dummy);
FcChar8 *lang = 0;

2
src/plugins/platforms/windows/qwindowsfontdatabase.cpp
View File

@ -1790,7 +1790,7 @@ QFontEngine *QWindowsFontDatabase::createEngine(int script, const QFontDef &requ
directWriteFont->Release();
#endif
if (script == QChar::Script_Common
if ((script == QChar::Script_Common || script == QChar::Script_Han)
&& !(request.styleStrategy & QFont::NoFontMerging)) {
QStringList extraFonts = extraTryFontsForFamily(request.family);
if (extraFonts.size()) {

2
src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp
View File

@ -432,7 +432,7 @@ static const char **tryFonts = 0;
QStringList QWindowsFontDatabaseFT::fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const
{
if (script == QChar::Script_Common) {
if (script == QChar::Script_Common || script == QChar::Script_Han) {
// && !(request.styleStrategy & QFont::NoFontMerging)) {
QFontDatabase db;
if (!db.writingSystems(family).contains(QFontDatabase::Symbol)) {