diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm')
| -rw-r--r-- | src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm index 8e4c1c07a8..f213f6b04c 100644 --- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm +++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm @@ -52,6 +52,7 @@ #include "qfontengine_coretext_p.h" #include <QtCore/QSettings> #include <QtGui/QGuiApplication> +#include <QtCore/QtEndian> QT_BEGIN_NAMESPACE @@ -262,6 +263,27 @@ static void getFontDescription(CTFontDescriptorRef font, FontDescription *fd) fd->stretch = QFont::Unstretched; fd->fixedPitch = false; + if (QCFType<CTFontRef> tempFont = CTFontCreateWithFontDescriptor(font, 0.0, 0)) { + uint length = 0; + uint tag = MAKE_TAG('O', 'S', '/', '2'); + CTFontRef tempFontRef = tempFont; + void *userData = reinterpret_cast<void *>(&tempFontRef); + if (QCoreTextFontEngine::ct_getSfntTable(userData, tag, 0, &length)) { + QVarLengthArray<uchar> os2Table(length); + if (length >= 86 && QCoreTextFontEngine::ct_getSfntTable(userData, tag, os2Table.data(), &length)) { + quint32 unicodeRange[4] = { + qFromBigEndian<quint32>(os2Table.data() + 42), + qFromBigEndian<quint32>(os2Table.data() + 46), + qFromBigEndian<quint32>(os2Table.data() + 50), + qFromBigEndian<quint32>(os2Table.data() + 54) + }; + quint32 codePageRange[2] = { qFromBigEndian<quint32>(os2Table.data() + 78), + qFromBigEndian<quint32>(os2Table.data() + 82) }; + fd->writingSystems = QPlatformFontDatabase::writingSystemsFromTrueTypeBits(unicodeRange, codePageRange); + } + } + } + if (styles) { if (CFNumberRef weightValue = (CFNumberRef) CFDictionaryGetValue(styles, kCTFontWeightTrait)) { double normalizedWeight; @@ -459,6 +481,17 @@ QStringList QCoreTextFontDatabase::fallbacksForFamily(const QString &family, QFo QCFString fallbackFamilyName = (CFStringRef) CTFontDescriptorCopyAttribute(fontFallback, kCTFontFamilyNameAttribute); fallbackList.append(QCFString::toQString(fallbackFamilyName)); } + +#if defined(Q_OS_OSX) + // Since we are only returning a list of default fonts for the current language, we do not + // cover all unicode completely. This was especially an issue for some of the common script + // symbols such as mathematical symbols, currency or geometric shapes. To minimize the risk + // of missing glyphs, we add Arial Unicode MS as a final fail safe, since this covers most + // of Unicode 2.1. + if (!fallbackList.contains(QStringLiteral("Arial Unicode MS"))) + fallbackList.append(QStringLiteral("Arial Unicode MS")); +#endif + fallbackLists[family] = fallbackList; } } @@ -502,6 +535,14 @@ QStringList QCoreTextFontDatabase::fallbacksForFamily(const QString &family, QFo if (QCoreTextFontEngine::supportsColorGlyphs()) fallbackList.append(QLatin1String("Apple Color Emoji")); + // Since we are only returning a list of default fonts for the current language, we do not + // cover all unicode completely. This was especially an issue for some of the common script + // symbols such as mathematical symbols, currency or geometric shapes. To minimize the risk + // of missing glyphs, we add Arial Unicode MS as a final fail safe, since this covers most + // of Unicode 2.1. + if (!fallbackList.contains(QStringLiteral("Arial Unicode MS"))) + fallbackList.append(QStringLiteral("Arial Unicode MS")); + fallbackLists[styleLookupKey.arg(fallbackStyleHint)] = fallbackList; } #else @@ -768,6 +809,9 @@ QList<int> QCoreTextFontDatabase::standardSizes() const void QCoreTextFontDatabase::removeApplicationFonts() { + if (m_applicationFonts.isEmpty()) + return; + foreach (const QVariant &font, m_applicationFonts) { #if HAVE_CORETEXT if (&CTFontManagerUnregisterGraphicsFont && &CTFontManagerUnregisterFontsForURL) { |