diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm')
-rw-r--r-- | src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm | 209 |
1 files changed, 139 insertions, 70 deletions
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm index d59bd5f116..7391cbf9df 100644 --- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm +++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm @@ -85,28 +85,12 @@ static const char *languageForWritingSystem[] = { "ko", // Korean "vi", // Vietnamese 0, // Symbol - 0, // Ogham - 0, // Runic - 0 // N'Ko + "sga", // Ogham + "non", // Runic + "man" // N'Ko }; enum { LanguageCount = sizeof(languageForWritingSystem) / sizeof(const char *) }; -QFont::StyleHint styleHintFromNSString(NSString *style) -{ - if ([style isEqual: @"sans-serif"]) - return QFont::SansSerif; - else if ([style isEqual: @"monospace"]) - return QFont::Monospace; - else if ([style isEqual: @"cursive"]) - return QFont::Cursive; - else if ([style isEqual: @"serif"]) - return QFont::Serif; - else if ([style isEqual: @"fantasy"]) - return QFont::Fantasy; - else // if ([style isEqual: @"default"]) - return QFont::AnyStyle; -} - static NSInteger languageMapSort(id obj1, id obj2, void *context) { NSArray *map1 = (NSArray *) obj1; @@ -188,27 +172,6 @@ QCoreTextFontDatabase::~QCoreTextFontDatabase() { } -static QString familyNameFromPostScriptName(QHash<QString, QString> &psNameToFamily, - NSString *psName) -{ - QString name = QCFString::toQString(psName); - if (psNameToFamily.contains(name)) - return psNameToFamily[name]; - else { - // Some of the font name in DefaultFontFallbacks.plist are hidden fonts like AquaHiraKaku, - // their family name begins with a dot, like ".AquaHiraKaku" or ".Apple Symbols Fallback", - // the only way (I've found) to get it are actually creating a CTFont with them. We only - // need to do it once though. - QCFType<CTFontRef> font = CTFontCreateWithName((CFStringRef) psName, 12.0, NULL); - if (font) { - QCFString family = CTFontCopyFamilyName(font); - psNameToFamily[name] = family; - return family; - } - return name; - } -} - void QCoreTextFontDatabase::populateFontDatabase() { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; @@ -223,7 +186,6 @@ void QCoreTextFontDatabase::populateFontDatabase() QString foundryName = QLatin1String("CoreText"); const int numFonts = CFArrayGetCount(fonts); - QHash<QString, QString> psNameToFamily; for (int i = 0; i < numFonts; ++i) { CTFontDescriptorRef font = (CTFontDescriptorRef) CFArrayGetValueAtIndex(fonts, i); QCFString familyName = (CFStringRef) CTFontDescriptorCopyLocalizedAttribute(font, kCTFontFamilyNameAttribute, NULL); @@ -289,35 +251,14 @@ void QCoreTextFontDatabase::populateFontDatabase() QPlatformFontDatabase::registerFont(familyName, styleName, foundryName, weight, style, stretch, true /* antialiased */, true /* scalable */, pixelSize, fixedPitch, writingSystems, (void *) font); + + // We need to map back and forth between PostScript-names and family-names for fallback list construction CFStringRef psName = (CFStringRef) CTFontDescriptorCopyAttribute(font, kCTFontNameAttribute); - // we need PostScript Name to family name mapping for fallback list construction psNameToFamily[QCFString::toQString((NSString *) psName)] = familyName; + familyNameToPsName[familyName] = QCFString::toQString((NSString *) psName); CFRelease(psName); } - NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; - NSArray *languages = [defaults stringArrayForKey: @"AppleLanguages"]; - - NSDictionary *fallbackDict = [NSDictionary dictionaryWithContentsOfFile: @"/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/Resources/DefaultFontFallbacks.plist"]; - - for (NSString *style in [fallbackDict allKeys]) { - NSArray *list = [fallbackDict valueForKey: style]; - QFont::StyleHint styleHint = styleHintFromNSString(style); - QStringList fallbackList; - for (id item in list) { - // sort the array based on system language preferences - if ([item isKindOfClass: [NSArray class]]) { - NSArray *langs = [(NSArray *) item sortedArrayUsingFunction: languageMapSort - context: languages]; - for (NSArray *map in langs) - fallbackList.append(familyNameFromPostScriptName(psNameToFamily, [map objectAtIndex: 1])); - } - else if ([item isKindOfClass: [NSString class]]) - fallbackList.append(familyNameFromPostScriptName(psNameToFamily, item)); - } - fallbackLists[styleHint] = fallbackList; - } - [pool release]; } @@ -326,7 +267,7 @@ void QCoreTextFontDatabase::releaseHandle(void *handle) CFRelease(CTFontDescriptorRef(handle)); } -QFontEngine *QCoreTextFontDatabase::fontEngine(const QFontDef &f, QUnicodeTables::Script script, void *usrPtr) +QFontEngine *QCoreTextFontDatabase::fontEngine(const QFontDef &f, QChar::Script script, void *usrPtr) { Q_UNUSED(script); @@ -376,14 +317,142 @@ QFontEngine *QCoreTextFontDatabase::fontEngine(const QByteArray &fontData, qreal return fontEngine; } -QStringList QCoreTextFontDatabase::fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const +QFont::StyleHint styleHintFromNSString(NSString *style) +{ + if ([style isEqual: @"sans-serif"]) + return QFont::SansSerif; + else if ([style isEqual: @"monospace"]) + return QFont::Monospace; + else if ([style isEqual: @"cursive"]) + return QFont::Cursive; + else if ([style isEqual: @"serif"]) + return QFont::Serif; + else if ([style isEqual: @"fantasy"]) + return QFont::Fantasy; + else // if ([style isEqual: @"default"]) + return QFont::AnyStyle; +} + +static QString familyNameFromPostScriptName(QHash<QString, QString> &psNameToFamily, + NSString *psName) +{ + QString name = QCFString::toQString(psName); + if (psNameToFamily.contains(name)) + return psNameToFamily[name]; + else { + // Some of the font name in DefaultFontFallbacks.plist are hidden fonts like AquaHiraKaku, + // their family name begins with a dot, like ".AquaHiraKaku" or ".Apple Symbols Fallback", + // the only way (I've found) to get it are actually creating a CTFont with them. We only + // need to do it once though. + QCFType<CTFontRef> font = CTFontCreateWithName((CFStringRef) psName, 12.0, NULL); + if (font) { + QCFString family = CTFontCopyFamilyName(font); + psNameToFamily[name] = family; + return family; + } + return name; + } +} + +QStringList QCoreTextFontDatabase::fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const { - Q_UNUSED(family); Q_UNUSED(style); Q_UNUSED(script); - if (fallbackLists.isEmpty()) + + static QHash<QString, QStringList> fallbackLists; + +#if QT_MAC_PLATFORM_SDK_EQUAL_OR_ABOVE(__MAC_NA, __IPHONE_6_0) + // CTFontCopyDefaultCascadeListForLanguages is available in the SDK + #if QT_MAC_DEPLOYMENT_TARGET_BELOW(__MAC_NA, __IPHONE_6_0) + // But we have to feature check at runtime + if (&CTFontCopyDefaultCascadeListForLanguages) + #endif + { + if (fallbackLists.contains(family)) + return fallbackLists.value(family); + + if (!familyNameToPsName.contains(family)) + const_cast<QCoreTextFontDatabase*>(this)->populateFontDatabase(); + + QCFType<CTFontRef> font = CTFontCreateWithName(QCFString(familyNameToPsName[family]), 12.0, NULL); + if (font) { + NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; + NSArray *languages = [defaults stringArrayForKey: @"AppleLanguages"]; + + QCFType<CFArrayRef> cascadeList = (CFArrayRef) CTFontCopyDefaultCascadeListForLanguages(font, (CFArrayRef) languages); + if (cascadeList) { + QStringList fallbackList; + const int numCascades = CFArrayGetCount(cascadeList); + for (int i = 0; i < numCascades; ++i) { + CTFontDescriptorRef fontFallback = (CTFontDescriptorRef) CFArrayGetValueAtIndex(cascadeList, i); + QCFString fallbackFamilyName = (CFStringRef) CTFontDescriptorCopyLocalizedAttribute(fontFallback, kCTFontFamilyNameAttribute, NULL); + fallbackList.append(QCFString::toQString(fallbackFamilyName)); + } + fallbackLists[family] = fallbackList; + } + } + + if (fallbackLists.contains(family)) + return fallbackLists.value(family); + } +#else + Q_UNUSED(family); +#endif + + // We were not able to find a fallback for the specific family, + // so we fall back to the stylehint. + + static const QString styleLookupKey = QString::fromLatin1(".QFontStyleHint_%1"); + + static bool didPopulateStyleFallbacks = false; + if (!didPopulateStyleFallbacks) { +#if !defined(Q_OS_IOS) + // Ensure we have the psNameToFamily mapping set up const_cast<QCoreTextFontDatabase*>(this)->populateFontDatabase(); - return fallbackLists[styleHint]; + + NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; + NSArray *languages = [defaults stringArrayForKey: @"AppleLanguages"]; + + NSDictionary *fallbackDict = [NSDictionary dictionaryWithContentsOfFile: @"/System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreText.framework/Resources/DefaultFontFallbacks.plist"]; + + for (NSString *style in [fallbackDict allKeys]) { + NSArray *list = [fallbackDict valueForKey: style]; + QFont::StyleHint fallbackStyleHint = styleHintFromNSString(style); + QStringList fallbackList; + for (id item in list) { + // sort the array based on system language preferences + if ([item isKindOfClass: [NSArray class]]) { + NSArray *langs = [(NSArray *) item sortedArrayUsingFunction: languageMapSort + context: languages]; + for (NSArray *map in langs) + fallbackList.append(familyNameFromPostScriptName(psNameToFamily, [map objectAtIndex: 1])); + } + else if ([item isKindOfClass: [NSString class]]) + fallbackList.append(familyNameFromPostScriptName(psNameToFamily, item)); + } + + if (QCoreTextFontEngine::supportsColorGlyphs()) + fallbackList.append(QLatin1String("Apple Color Emoji")); + + fallbackLists[styleLookupKey.arg(fallbackStyleHint)] = fallbackList; + } +#else + QStringList staticFallbackList; + staticFallbackList << QString::fromLatin1("Helvetica,Apple Color Emoji,Geeza Pro,Arial Hebrew,Thonburi,Kailasa" + "Hiragino Kaku Gothic ProN,.Heiti J,Apple SD Gothic Neo,.Heiti K,Heiti SC,Heiti TC" + "Bangla Sangam MN,Devanagari Sangam MN,Gujarati Sangam MN,Gurmukhi MN,Kannada Sangam MN" + "Malayalam Sangam MN,Oriya Sangam MN,Sinhala Sangam MN,Tamil Sangam MN,Telugu Sangam MN" + "Euphemia UCAS,.PhoneFallback").split(QLatin1String(",")); + + for (int i = QFont::Helvetica; i <= QFont::Fantasy; ++i) + fallbackLists[styleLookupKey.arg(i)] = staticFallbackList; +#endif + + didPopulateStyleFallbacks = true; + } + + Q_ASSERT(!fallbackLists.isEmpty()); + return fallbackLists[styleLookupKey.arg(styleHint)]; } #ifndef Q_OS_IOS |