diff options
Diffstat (limited to 'src/gui/text')
-rw-r--r-- | src/gui/text/qfont_qpa.cpp | 2 | ||||
-rw-r--r-- | src/gui/text/qfont_s60.cpp | 18 | ||||
-rw-r--r-- | src/gui/text/qfontdatabase.cpp | 20 | ||||
-rw-r--r-- | src/gui/text/qfontdatabase_qpa.cpp | 12 | ||||
-rw-r--r-- | src/gui/text/qfontdatabase_s60.cpp | 553 | ||||
-rw-r--r-- | src/gui/text/qfontengine_s60.cpp | 5 | ||||
-rw-r--r-- | src/gui/text/qplatformfontdatabase_qpa.cpp | 3 | ||||
-rw-r--r-- | src/gui/text/qplatformfontdatabase_qpa.h | 2 | ||||
-rw-r--r-- | src/gui/text/qtextdocument_p.cpp | 4 | ||||
-rw-r--r-- | src/gui/text/text.pri | 2 |
10 files changed, 584 insertions, 37 deletions
diff --git a/src/gui/text/qfont_qpa.cpp b/src/gui/text/qfont_qpa.cpp index 5fed18b..7b09b59 100644 --- a/src/gui/text/qfont_qpa.cpp +++ b/src/gui/text/qfont_qpa.cpp @@ -90,7 +90,7 @@ QString QFont::defaultFamily() const familyName = QString::fromLatin1("helvetica"); } - QStringList list = QApplicationPrivate::platformIntegration()->fontDatabase()->fallbacksForFamily(familyName,QFont::StyleNormal,QUnicodeTables::Common); + QStringList list = QApplicationPrivate::platformIntegration()->fontDatabase()->fallbacksForFamily(familyName,QFont::StyleNormal,QFont::StyleHint(d->request.styleHint),QUnicodeTables::Common); if (list.size()) { familyName = list.at(0); } diff --git a/src/gui/text/qfont_s60.cpp b/src/gui/text/qfont_s60.cpp index c7d36ef..114191d 100644 --- a/src/gui/text/qfont_s60.cpp +++ b/src/gui/text/qfont_s60.cpp @@ -49,13 +49,14 @@ QT_BEGIN_NAMESPACE #ifdef QT_NO_FREETYPE Q_GLOBAL_STATIC(QMutex, lastResortFamilyMutex); +#endif // QT_NO_FREETYPE + extern QStringList qt_symbian_fontFamiliesOnFontServer(); // qfontdatabase_s60.cpp Q_GLOBAL_STATIC_WITH_INITIALIZER(QStringList, fontFamiliesOnFontServer, { // We are only interested in the initial font families. No Application fonts. // Therefore, we are allowed to cache the list. x->append(qt_symbian_fontFamiliesOnFontServer()); }); -#endif // QT_NO_FREETYPE QString QFont::lastResortFont() const { @@ -95,7 +96,20 @@ QString QFont::lastResortFamily() const const bool isJapaneseOrChineseSystem = User::Language() == ELangJapanese || User::Language() == ELangPrcChinese; - return QLatin1String(isJapaneseOrChineseSystem?"Heisei Kaku Gothic S60":"Series 60 Sans"); + static QString family; + if (family.isEmpty()) { + QStringList families = qt_symbian_fontFamiliesOnFontServer(); + const char* const preferredFamilies[] = {"Nokia Sans S60", "Series 60 Sans"}; + for (int i = 0; i < sizeof preferredFamilies / sizeof preferredFamilies[0]; ++i) { + const QString preferredFamily = QLatin1String(preferredFamilies[i]); + if (families.contains(preferredFamily)) { + family = preferredFamily; + break; + } + } + } + + return QLatin1String(isJapaneseOrChineseSystem?"Heisei Kaku Gothic S60":family.toLatin1()); #endif // QT_NO_FREETYPE } diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp index 20c72dd..8e92b1a 100644 --- a/src/gui/text/qfontdatabase.cpp +++ b/src/gui/text/qfontdatabase.cpp @@ -646,6 +646,10 @@ public: { } ~QFontDatabasePrivate() { free(); +#if defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) + if (symbianExtras) + delete symbianExtras; +#endif } QtFontFamily *family(const QString &f, bool = false); void free() { @@ -654,12 +658,6 @@ public: ::free(families); families = 0; count = 0; -#if defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) - if (symbianExtras) { - delete symbianExtras; - symbianExtras = 0; - } -#endif // don't clear the memory fonts! } @@ -678,6 +676,10 @@ public: QVector<FONTSIGNATURE> signatures; #elif defined(Q_WS_MAC) ATSFontContainerRef handle; +#elif defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) + QString temporaryFileName; + TInt screenDeviceFontFileId; + TUid fontStoreFontFileUid; #endif QStringList families; }; @@ -704,7 +706,7 @@ public: #if defined(Q_WS_QWS) QDataStream *stream; #elif defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE) - const QSymbianFontDatabaseExtras *symbianExtras; + QSymbianFontDatabaseExtras *symbianExtras; #endif #if defined(Q_WS_QWS) || defined(Q_WS_QPA) QStringList fallbackFamilies; @@ -2573,6 +2575,8 @@ bool QFontDatabasePrivate::isApplicationFont(const QString &fileName) \note Adding application fonts on Unix/X11 platforms without fontconfig is currently not supported. + \note On Symbian, the font family names get truncated to a length of 20 characters. + \sa addApplicationFontFromData(), applicationFontFamilies(), removeApplicationFont() */ int QFontDatabase::addApplicationFont(const QString &fileName) @@ -2603,6 +2607,8 @@ int QFontDatabase::addApplicationFont(const QString &fileName) \bold{Note:} Adding application fonts on Unix/X11 platforms without fontconfig is currently not supported. + \note On Symbian, the font family names get truncated to a length of 20 characters. + \sa addApplicationFont(), applicationFontFamilies(), removeApplicationFont() */ int QFontDatabase::addApplicationFontFromData(const QByteArray &fontData) diff --git a/src/gui/text/qfontdatabase_qpa.cpp b/src/gui/text/qfontdatabase_qpa.cpp index e54093c..e6d99c6 100644 --- a/src/gui/text/qfontdatabase_qpa.cpp +++ b/src/gui/text/qfontdatabase_qpa.cpp @@ -80,9 +80,9 @@ Q_GUI_EXPORT void qt_registerFont(const QString &familyName, const QString &fou size->handle = handle; } -static QStringList fallbackFamilies(const QString &family, const QFont::Style &style, const QUnicodeTables::Script &script) +static QStringList fallbackFamilies(const QString &family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) { - QStringList retList = QApplicationPrivate::platformIntegration()->fontDatabase()->fallbacksForFamily(family,style,script); + QStringList retList = QApplicationPrivate::platformIntegration()->fontDatabase()->fallbacksForFamily(family,style,styleHint,script); QFontDatabasePrivate *db = privateDb(); QStringList::iterator i; @@ -177,7 +177,11 @@ QFontEngine *loadEngine(int script, const QFontDef &request, && !(request.styleStrategy & QFont::NoFontMerging) && !engine->symbol ) { if (family && !family->askedForFallback) { - family->fallbackFamilies = fallbackFamilies(family->name,QFont::Style(style->key.style),QUnicodeTables::Script(script)); + QFont::Style fontStyle = QFont::Style(style->key.style); + QFont::StyleHint styleHint = QFont::StyleHint(request.styleHint); + if (styleHint == QFont::AnyStyle && request.fixedPitch) + styleHint = QFont::TypeWriter; + family->fallbackFamilies = fallbackFamilies(family->name,fontStyle,styleHint,QUnicodeTables::Script(script)); family->askedForFallback = true; } @@ -287,7 +291,7 @@ QFontDatabase::findFont(int script, const QFontPrivate *fp, if (!engine) { if (!request.family.isEmpty()) { - QStringList fallbacks = fallbackFamilies(request.family,QFont::Style(request.style),QUnicodeTables::Script(script)); + QStringList fallbacks = fallbackFamilies(request.family,QFont::Style(request.style),QFont::StyleHint(request.styleHint),QUnicodeTables::Script(script)); for (int i = 0; i < fallbacks.size(); i++) { QFontDef def = request; def.family = fallbacks.at(i); diff --git a/src/gui/text/qfontdatabase_s60.cpp b/src/gui/text/qfontdatabase_s60.cpp index 6ba035e..6d3970e 100644 --- a/src/gui/text/qfontdatabase_s60.cpp +++ b/src/gui/text/qfontdatabase_s60.cpp @@ -45,6 +45,8 @@ #include "qfontengine_s60_p.h" #include "qabstractfileengine.h" #include "qdesktopservices.h" +#include "qtemporaryfile.h" +#include "qtextcodec.h" #include <private/qpixmap_s60_p.h> #include <private/qt_s60_p.h> #include "qendian.h" @@ -114,7 +116,14 @@ public: ~QSymbianFontDatabaseExtrasImplementation(); const QSymbianTypeFaceExtras *extras(const QString &typeface, bool bold, bool italic) const; - void addFontFileToFontStore(const QFileInfo &fontFileInfo); + void removeAppFontData(QFontDatabasePrivate::ApplicationFont *fnt); + static inline bool appFontLimitReached(); + TUid addFontFileToFontStore(const QFileInfo &fontFileInfo); + static void clear(); + + static inline QString tempAppFontFolder(); + static const QString appFontMarkerPrefix; + static QString appFontMarker(); // 'qaf<shortUid[+shortPid]>' struct CFontFromFontStoreReleaser { static inline void cleanup(CFont *font) @@ -144,8 +153,75 @@ public: mutable QList<const QSymbianTypeFaceExtras *> m_extras; mutable QHash<QString, const QSymbianTypeFaceExtras *> m_extrasHash; + mutable QSet<QString> m_applicationFontFamilies; }; +const QString QSymbianFontDatabaseExtrasImplementation::appFontMarkerPrefix = + QLatin1String("Q"); + +inline QString QSymbianFontDatabaseExtrasImplementation::tempAppFontFolder() +{ + return QDir::toNativeSeparators(QDir::tempPath()) + QLatin1Char('\\'); +} + +QString QSymbianFontDatabaseExtrasImplementation::appFontMarker() +{ + static QString result; + if (result.isEmpty()) { + quint16 id = 0; + if (QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) { + // We are allowed to load app fonts even from previous, crashed runs + // of this application, since we can access the font tables. + const quint32 uid = RProcess().Type().MostDerived().iUid; + id = static_cast<quint16>(uid + (uid >> 16)); + } else { + // If no font table Api is available, we must not even load a font + // from a previous (crashed) run of this application. Reason: we + // won't get the font tables, they are not in the CFontStore. + // So, we use the pid, for more uniqueness. + id = static_cast<quint16>(RProcess().Id().Id()); + } + result = appFontMarkerPrefix + QString::fromLatin1("%1").arg(id & 0x7fff, 3, 32, QLatin1Char('0')); + Q_ASSERT(appFontMarkerPrefix.length() == 1 && result.length() == 4); + } + return result; +} + +static inline bool qt_symbian_fontNameHasAppFontMarker(const QString &fontName) +{ + const int idLength = 3; // Keep in sync with id length in appFontMarker(). + const QString &prefix = QSymbianFontDatabaseExtrasImplementation::appFontMarkerPrefix; + if (fontName.length() < prefix.length() + idLength + || fontName.mid(fontName.length() - idLength - prefix.length(), prefix.length()) != prefix) + return false; + // Testing if the the id is base32 data + for (int i = fontName.length() - idLength; i < fontName.length(); ++i) { + const QChar &c = fontName.at(i); + if (!(c >= QLatin1Char('0') && c <= QLatin1Char('9') + || c >= QLatin1Char('a') && c <= QLatin1Char('v'))) + return false; + } + return true; +} + +// If fontName is an application font of this app, prepend the app font marker +QString qt_symbian_fontNameWithAppFontMarker(const QString &fontName) +{ + QFontDatabasePrivate *db = privateDb(); + Q_ASSERT(db); + const QSymbianFontDatabaseExtrasImplementation *dbExtras = + static_cast<const QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras); + return dbExtras->m_applicationFontFamilies.contains(fontName) ? + fontName + QSymbianFontDatabaseExtrasImplementation::appFontMarker() + : fontName; +} + +static inline QString qt_symbian_appFontNameWithoutMarker(const QString &markedFontName) +{ + return markedFontName.left(markedFontName.length() + - QSymbianFontDatabaseExtrasImplementation::appFontMarker().length()); +} + QSymbianFontDatabaseExtrasImplementation::QSymbianFontDatabaseExtrasImplementation() { if (!QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) { @@ -170,10 +246,13 @@ QSymbianFontDatabaseExtrasImplementation::QSymbianFontDatabaseExtrasImplementati } } -void qt_cleanup_symbianFontDatabaseExtras() +void QSymbianFontDatabaseExtrasImplementation::clear() { + QFontDatabasePrivate *db = privateDb(); + if (!db) + return; const QSymbianFontDatabaseExtrasImplementation *dbExtras = - static_cast<const QSymbianFontDatabaseExtrasImplementation*>(privateDb()->symbianExtras); + static_cast<const QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras); if (!dbExtras) return; // initializeDb() has never been called if (QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) { @@ -189,9 +268,32 @@ void qt_cleanup_symbianFontDatabaseExtras() dbExtras->m_extrasHash.clear(); } +void qt_cleanup_symbianFontDatabase() +{ + QFontDatabasePrivate *db = privateDb(); + if (!db) + return; + + QSymbianFontDatabaseExtrasImplementation::clear(); + + if (!db->applicationFonts.isEmpty()) { + QFontDatabase::removeAllApplicationFonts(); + // We remove the left over temporary font files of Qt application. + // Active fonts are undeletable since the font server holds a handle + // on them, so we do not need to worry to delete other running + // applications' fonts. + const QDir dir(QSymbianFontDatabaseExtrasImplementation::tempAppFontFolder()); + const QStringList filter( + QSymbianFontDatabaseExtrasImplementation::appFontMarkerPrefix + QLatin1String("*.ttf")); + foreach (const QFileInfo &ttfFile, dir.entryInfoList(filter)) + QFile(ttfFile.absoluteFilePath()).remove(); + db->applicationFonts.clear(); + } +} + QSymbianFontDatabaseExtrasImplementation::~QSymbianFontDatabaseExtrasImplementation() { - qt_cleanup_symbianFontDatabaseExtras(); + qt_cleanup_symbianFontDatabase(); if (!QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) { delete m_store; m_heap->Close(); @@ -215,9 +317,10 @@ COpenFont* OpenFontFromBitmapFont(const CBitmapFont* aBitmapFont) } #endif // FNTSTORE_H_INLINES_SUPPORT_FMM -const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(const QString &typeface, +const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(const QString &aTypeface, bool bold, bool italic) const { + const QString typeface = qt_symbian_fontNameWithAppFontMarker(aTypeface); const QString searchKey = typeface + QString::number(int(bold)) + QString::number(int(italic)); if (!m_extrasHash.contains(searchKey)) { TFontSpec searchSpec(qt_QString2TPtrC(typeface), 1); @@ -263,12 +366,42 @@ const QSymbianTypeFaceExtras *QSymbianFontDatabaseExtrasImplementation::extras(c return m_extrasHash.value(searchKey); } -void QSymbianFontDatabaseExtrasImplementation::addFontFileToFontStore(const QFileInfo &fontFileInfo) +void QSymbianFontDatabaseExtrasImplementation::removeAppFontData( + QFontDatabasePrivate::ApplicationFont *fnt) +{ + clear(); + if (!QSymbianTypeFaceExtras::symbianFontTableApiAvailable() + && fnt->fontStoreFontFileUid.iUid != 0) + m_store->RemoveFile(fnt->fontStoreFontFileUid); + if (!fnt->families.isEmpty()) + m_applicationFontFamilies.remove(fnt->families.first()); + if (fnt->screenDeviceFontFileId != 0) + S60->screenDevice()->RemoveFile(fnt->screenDeviceFontFileId); + QFile::remove(fnt->temporaryFileName); + *fnt = QFontDatabasePrivate::ApplicationFont(); +} + +bool QSymbianFontDatabaseExtrasImplementation::appFontLimitReached() +{ + QFontDatabasePrivate *db = privateDb(); + if (!db) + return false; + const int maxAppFonts = 5; + int registeredAppFonts = 0; + foreach (const QFontDatabasePrivate::ApplicationFont &appFont, db->applicationFonts) + if (!appFont.families.isEmpty() && ++registeredAppFonts == maxAppFonts) + return true; + return false; +} + +TUid QSymbianFontDatabaseExtrasImplementation::addFontFileToFontStore(const QFileInfo &fontFileInfo) { Q_ASSERT(!QSymbianTypeFaceExtras::symbianFontTableApiAvailable()); const QString fontFile = QDir::toNativeSeparators(fontFileInfo.absoluteFilePath()); - TPtrC fontFilePtr(qt_QString2TPtrC(fontFile)); - QT_TRAP_THROWING(m_store->AddFileL(fontFilePtr)); + const TPtrC fontFilePtr(qt_QString2TPtrC(fontFile)); + TUid fontUid = {0}; + TRAP_IGNORE(fontUid = m_store->AddFileL(fontFilePtr)); + return fontUid; } #else // QT_NO_FREETYPE @@ -331,11 +464,24 @@ void QFontEngineMultiS60::loadEngine(int at) Q_ASSERT(engines[at]); } -static bool addFontToScreenDevice(int screenDeviceFontIndex, - const QSymbianFontDatabaseExtrasImplementation *dbExtras) -{ +#ifdef QT_NO_FREETYPE +static bool registerScreenDeviceFont(int screenDeviceFontIndex, + const QSymbianFontDatabaseExtrasImplementation *dbExtras) +{ TTypefaceSupport typefaceSupport; S60->screenDevice()->TypefaceSupport(typefaceSupport, screenDeviceFontIndex); + + QString familyName((const QChar*)typefaceSupport.iTypeface.iName.Ptr(), typefaceSupport.iTypeface.iName.Length()); + if (qt_symbian_fontNameHasAppFontMarker(familyName)) { + const QString &marker = QSymbianFontDatabaseExtrasImplementation::appFontMarker(); + if (familyName.endsWith(marker)) { + familyName = qt_symbian_appFontNameWithoutMarker(familyName); + dbExtras->m_applicationFontFamilies.insert(familyName); + } else { + return false; // This was somebody else's application font. Skip it. + } + } + CFont *font; // We have to get a font instance in order to know all the details TFontSpec fontSpec(typefaceSupport.iTypeface.iName, 11); if (S60->screenDevice()->GetNearestFontInPixels(font, fontSpec) != KErrNone) @@ -351,7 +497,6 @@ static bool addFontToScreenDevice(int screenDeviceFontIndex, styleKey.style = faceAttrib.IsItalic()?QFont::StyleItalic:QFont::StyleNormal; styleKey.weight = faceAttrib.IsBold()?QFont::Bold:QFont::Normal; - QString familyName((const QChar *)typefaceSupport.iTypeface.iName.Ptr(), typefaceSupport.iTypeface.iName.Length()); QtFontFamily *family = privateDb()->family(familyName, true); family->fixedPitch = faceAttrib.IsMonoWidth(); QtFontFoundry *foundry = family->foundry(QString(), true); @@ -381,6 +526,7 @@ static bool addFontToScreenDevice(int screenDeviceFontIndex, family->writingSystems[system] = QtFontFamily::Supported; return true; } +#endif static void initializeDb() { @@ -398,7 +544,12 @@ static void initializeDb() const QSymbianFontDatabaseExtrasImplementation *dbExtras = static_cast<const QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras); for (int i = 0; i < numTypeFaces; i++) - addFontToScreenDevice(i, dbExtras); + registerScreenDeviceFont(i, dbExtras); + + // We have to clear/release all CFonts, here, in case one of the fonts is + // an application font of another running Qt app. Otherwise the other Qt app + // cannot remove it's application font, anymore -> "Zombie Font". + QSymbianFontDatabaseExtrasImplementation::clear(); lock.relock(); @@ -421,20 +572,386 @@ static inline void load(const QString &family = QString(), int script = -1) initializeDb(); } +struct OffsetTable { + quint32 sfntVersion; + quint16 numTables, searchRange, entrySelector, rangeShift; +}; + +struct TableRecord { + quint32 tag, checkSum, offset, length; +}; + +struct NameTableHead { + quint16 format, count, stringOffset; +}; + +struct NameRecord { + quint16 platformID, encodingID, languageID, nameID, length, offset; +}; + +static quint32 ttfCalcChecksum(const char *data, quint32 bytesCount) +{ + quint32 result = 0; + const quint32 *ptr = reinterpret_cast<const quint32*>(data); + const quint32 *endPtr = + ptr + (bytesCount + sizeof(quint32) - 1) / sizeof(quint32); + while (ptr < endPtr) { + const quint32 unit32Value = *ptr++; + result += qFromBigEndian(unit32Value); + } + return result; +} + +static inline quint32 toDWordBoundary(quint32 value) +{ + return (value + 3) & ~3; +} + +static inline quint32 dWordPadding(quint32 value) +{ + return (4 - (value & 3)) & 3; +} + +static inline bool ttfMarkNameTable(QByteArray &table, const QString &marker) +{ + const quint32 tableLength = static_cast<quint32>(table.size()); + + if (tableLength > 50000 // hard limit + || tableLength < sizeof(NameTableHead)) // corrupt name table + return false; + + const NameTableHead *head = reinterpret_cast<const NameTableHead*>(table.constData()); + const quint16 count = qFromBigEndian(head->count); + const quint16 stringOffset = qFromBigEndian(head->stringOffset); + if (count > 200 // hard limit + || stringOffset >= tableLength // corrupt name table + || sizeof(NameTableHead) + count * sizeof(NameRecord) >= tableLength) // corrupt name table + return false; + + QTextEncoder encoder(QTextCodec::codecForName("UTF-16BE"), QTextCodec::IgnoreHeader); + const QByteArray markerUtf16BE = encoder.fromUnicode(marker); + const QByteArray markerAscii = marker.toAscii(); + + QByteArray markedTable; + markedTable.reserve(tableLength + marker.length() * 20); // Original size plus some extra + markedTable.append(table, stringOffset); + QByteArray markedStrings; + quint32 stringDataCount = stringOffset; + for (quint16 i = 0; i < count; ++i) { + const quint32 nameRecordOffset = sizeof(NameTableHead) + sizeof(NameRecord) * i; + NameRecord *nameRecord = + reinterpret_cast<NameRecord*>(markedTable.data() + nameRecordOffset); + const quint16 nameID = qFromBigEndian(nameRecord->nameID); + const quint16 platformID = qFromBigEndian(nameRecord->platformID); + const quint16 encodingID = qFromBigEndian(nameRecord->encodingID); + const quint16 offset = qFromBigEndian(nameRecord->offset); + const quint16 length = qFromBigEndian(nameRecord->length); + stringDataCount += length; + if (stringDataCount > 80000 // hard limit. String data may be > name table size. Multiple records can reference the same string. + || static_cast<quint32>(stringOffset + offset + length) > tableLength) // String outside bounds + return false; + const bool needsMarker = + nameID == 1 || nameID == 3 || nameID == 4 || nameID == 16 || nameID == 21; + const bool isUnicode = + platformID == 0 || platformID == 3 && encodingID == 1; + const QByteArray originalString = + QByteArray::fromRawData(table.constData() + stringOffset + offset, length); + QByteArray markedString; + if (needsMarker) { + const int maxBytesLength = (KMaxTypefaceNameLength - marker.length()) * (isUnicode ? 2 : 1); + markedString = originalString.left(maxBytesLength) + (isUnicode ? markerUtf16BE : markerAscii); + } else { + markedString = originalString; + } + nameRecord->offset = qToBigEndian(static_cast<quint16>(markedStrings.length())); + nameRecord->length = qToBigEndian(static_cast<quint16>(markedString.length())); + markedStrings.append(markedString); + } + markedTable.append(markedStrings); + table = markedTable; + return true; +} + +const quint32 ttfMaxFileSize = 3500000; + +static inline bool ttfMarkAppFont(QByteArray &ttf, const QString &marker) +{ + const quint32 ttfChecksumNumber = 0xb1b0afba; + const quint32 alignment = 4; + const quint32 ttfLength = static_cast<quint32>(ttf.size()); + if (ttfLength > ttfMaxFileSize // hard limit + || ttfLength % alignment != 0 // ttf sizes are always factors of 4 + || ttfLength <= sizeof(OffsetTable) // ttf too short + || ttfCalcChecksum(ttf.constData(), ttf.size()) != ttfChecksumNumber) // ttf checksum is invalid + return false; + + const OffsetTable *offsetTable = reinterpret_cast<const OffsetTable*>(ttf.constData()); + const quint16 numTables = qFromBigEndian(offsetTable->numTables); + const quint32 recordsLength = + toDWordBoundary(sizeof(OffsetTable) + numTables * sizeof(TableRecord)); + if (numTables > 30 // hard limit + || recordsLength + numTables * alignment > ttfLength) // Corrupt ttf. Tables would not fit, even if empty. + return false; + + QByteArray markedTtf; + markedTtf.reserve(ttfLength + marker.length() * 20); // Original size plus some extra + markedTtf.append(ttf.constData(), recordsLength); + + const quint32 ttfCheckSumAdjustmentOffset = 8; // Offset from the start of 'head' + int indexOfHeadTable = -1; + quint32 ttfDataSize = recordsLength; + typedef QPair<quint32, quint32> Range; + QList<Range> memoryRanges; + memoryRanges.reserve(numTables); + for (int i = 0; i < numTables; ++i) { + TableRecord *tableRecord = + reinterpret_cast<TableRecord*>(markedTtf.data() + sizeof(OffsetTable) + i * sizeof(TableRecord)); + const quint32 offset = qFromBigEndian(tableRecord->offset); + const quint32 length = qFromBigEndian(tableRecord->length); + const quint32 lengthAligned = toDWordBoundary(length); + ttfDataSize += lengthAligned; + if (offset < recordsLength // must not intersect ttf header/records + || offset % alignment != 0 // must be aligned + || offset > ttfLength - alignment // table out of bounds + || offset + lengthAligned > ttfLength // table out of bounds + || ttfDataSize > ttfLength) // tables would not fit into the ttf + return false; + + foreach (const Range &range, memoryRanges) + if (offset < range.first + range.second && offset + lengthAligned > range.first) + return false; // Overlaps with another table + memoryRanges.append(Range(offset, lengthAligned)); + + quint32 checkSum = qFromBigEndian(tableRecord->checkSum); + if (tableRecord->tag == qToBigEndian(static_cast<quint32>('head'))) { + if (length < ttfCheckSumAdjustmentOffset + sizeof(quint32)) + return false; // Invalid 'head' table + const quint32 *checkSumAdjustmentTag = + reinterpret_cast<const quint32*>(ttf.constData() + offset + ttfCheckSumAdjustmentOffset); + const quint32 checkSumAdjustment = qFromBigEndian(*checkSumAdjustmentTag); + checkSum += checkSumAdjustment; + indexOfHeadTable = i; // For the ttf checksum re-calculation, later + } + if (checkSum != ttfCalcChecksum(ttf.constData() + offset, length)) + return false; // Table checksum is invalid + + bool updateTableChecksum = false; + QByteArray table; + if (tableRecord->tag == qToBigEndian(static_cast<quint32>('name'))) { + table = QByteArray(ttf.constData() + offset, length); + if (!ttfMarkNameTable(table, marker)) + return false; // Name table was not markable. + updateTableChecksum = true; + } else { + table = QByteArray::fromRawData(ttf.constData() + offset, length); + } + + tableRecord->offset = qToBigEndian(markedTtf.size()); + tableRecord->length = qToBigEndian(table.size()); + markedTtf.append(table); + markedTtf.append(QByteArray(dWordPadding(table.size()), 0)); // 0-padding + if (updateTableChecksum) { + TableRecord *tableRecord = // Need to recalculate, since markedTtf changed + reinterpret_cast<TableRecord*>(markedTtf.data() + sizeof(OffsetTable) + i * sizeof(TableRecord)); + const quint32 offset = qFromBigEndian(tableRecord->offset); + const quint32 length = qFromBigEndian(tableRecord->length); + tableRecord->checkSum = qToBigEndian(ttfCalcChecksum(markedTtf.constData() + offset, length)); + } + } + if (indexOfHeadTable == -1 // 'head' table is mandatory + || ttfDataSize != ttfLength) // We do not allow ttf data "holes". Neither does Symbian. + return false; + TableRecord *headRecord = + reinterpret_cast<TableRecord*>(markedTtf.data() + sizeof(OffsetTable) + indexOfHeadTable * sizeof(TableRecord)); + quint32 *checkSumAdjustmentTag = + reinterpret_cast<quint32*>(markedTtf.data() + qFromBigEndian(headRecord->offset) + ttfCheckSumAdjustmentOffset); + *checkSumAdjustmentTag = 0; + const quint32 ttfChecksum = ttfCalcChecksum(markedTtf.constData(), markedTtf.count()); + *checkSumAdjustmentTag = qToBigEndian(ttfChecksumNumber - ttfChecksum); + ttf = markedTtf; + return true; +} + +static inline bool ttfCanSymbianLoadFont(const QByteArray &data, const QString &fileName) +{ + bool result = false; + QString ttfFileName; + QFile tempFileGuard; + QFileInfo info(fileName); + if (!data.isEmpty()) { + QTemporaryFile tempfile(QSymbianFontDatabaseExtrasImplementation::tempAppFontFolder() + + QSymbianFontDatabaseExtrasImplementation::appFontMarker() + + QLatin1String("XXXXXX.ttf")); + if (!tempfile.open() || tempfile.write(data) == -1) + return false; + ttfFileName = QDir::toNativeSeparators(QFileInfo(tempfile).canonicalFilePath()); + tempfile.setAutoRemove(false); + tempfile.close(); + tempFileGuard.setFileName(ttfFileName); + if (!tempFileGuard.open(QIODevice::ReadOnly)) + return false; + } else if (info.isFile()) { + ttfFileName = QDir::toNativeSeparators(info.canonicalFilePath()); + } else { + return false; + } + + CFontStore *store = 0; + RHeap* heap = User::ChunkHeap(NULL, 0x1000, 0x20000); + if (heap) { + QT_TRAP_THROWING( + CleanupClosePushL(*heap); + store = CFontStore::NewL(heap); + CleanupStack::PushL(store); + COpenFontRasterizer *rasterizer = COpenFontRasterizer::NewL(TUid::Uid(0x101F7F5E)); + CleanupStack::PushL(rasterizer); + store->InstallRasterizerL(rasterizer); + CleanupStack::Pop(rasterizer); + TUid fontUid = {-1}; + TRAP_IGNORE(fontUid = store->AddFileL(qt_QString2TPtrC(ttfFileName))); + if (fontUid.iUid != -1) + result = true; + CleanupStack::PopAndDestroy(2, heap); // heap, store + ); + } + + if (tempFileGuard.isOpen()) + tempFileGuard.remove(); + + return result; +} + static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt) { - Q_UNUSED(fnt); + if (QSymbianFontDatabaseExtrasImplementation::appFontLimitReached() + || fnt->data.size() > ttfMaxFileSize // hard limit + || fnt->data.isEmpty() && (!fnt->fileName.endsWith(QLatin1String(".ttf"), Qt::CaseInsensitive) // Only buffer or .ttf + || QFileInfo(fnt->fileName).size() > ttfMaxFileSize)) // hard limit + return; + +// Using ttfCanSymbianLoadFont() causes crashes on app destruction (Symbian^3|PR1 and lower). +// Therefore, not using it for now, but eventually in a later version. +// if (!ttfCanSymbianLoadFont(fnt->data, fnt->fileName)) +// return; + + QFontDatabasePrivate *db = privateDb(); + if (!db) + return; + + if (!db->count) + initializeDb(); + + QSymbianFontDatabaseExtrasImplementation *dbExtras = + static_cast<QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras); + if (!dbExtras) + return; + + const QString &marker = QSymbianFontDatabaseExtrasImplementation::appFontMarker(); + + // The QTemporaryFile object being used in the following section must be + // destructed before letting Symbian load the TTF file. Symbian would not + // load it otherwise, because QTemporaryFile will still keep some handle + // on it. The scope is used to reduce the life time of the QTemporaryFile. + // In order to prevent other processes from modifying the file between the + // moment where the QTemporaryFile is destructed and the file is loaded by + // Symbian, we have a QFile "tempFileGuard" outside the scope which opens + // the file in ReadOnly mode while the QTemporaryFile is still alive. + QFile tempFileGuard; + { + QTemporaryFile tempfile(QSymbianFontDatabaseExtrasImplementation::tempAppFontFolder() + + marker + QLatin1String("XXXXXX.ttf")); + if (!tempfile.open()) + return; + const QString tempFileName = QFileInfo(tempfile).canonicalFilePath(); + if (fnt->data.isEmpty()) { + QFile sourceFile(fnt->fileName); + if (!sourceFile.open(QIODevice::ReadOnly)) + return; + fnt->data = sourceFile.readAll(); + } + if (!ttfMarkAppFont(fnt->data, marker) || tempfile.write(fnt->data) == -1) + return; + tempfile.setAutoRemove(false); + tempfile.close(); // Tempfile still keeps a file handle, forbidding write access + fnt->data.clear(); // The TTF data was marked and saved. Not needed in memory, anymore. + tempFileGuard.setFileName(tempFileName); + if (!tempFileGuard.open(QIODevice::ReadOnly)) + return; + fnt->temporaryFileName = tempFileName; + } + + const QString fullFileName = QDir::toNativeSeparators(fnt->temporaryFileName); + QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock); + const QStringList fontsOnServerBefore = qt_symbian_fontFamiliesOnFontServer(); + const TInt err = + S60->screenDevice()->AddFile(qt_QString2TPtrC(fullFileName), fnt->screenDeviceFontFileId); + tempFileGuard.close(); // Did its job + const QStringList fontsOnServerAfter = qt_symbian_fontFamiliesOnFontServer(); + if (err == KErrNone && fontsOnServerBefore.count() < fontsOnServerAfter.count()) { // Added to screen device? + int fontOnServerIndex = fontsOnServerAfter.count() - 1; + for (int i = 0; i < fontsOnServerBefore.count(); i++) { + if (fontsOnServerBefore.at(i) != fontsOnServerAfter.at(i)) { + fontOnServerIndex = i; + break; + } + } + + // Must remove all font engines with their CFonts, first. + QFontCache::instance()->clear(); + db->free(); + QSymbianFontDatabaseExtrasImplementation::clear(); + + if (!QSymbianTypeFaceExtras::symbianFontTableApiAvailable()) + fnt->fontStoreFontFileUid = dbExtras->addFontFileToFontStore(QFileInfo(fullFileName)); + + const QString &appFontName = fontsOnServerAfter.at(fontOnServerIndex); + fnt->families.append(qt_symbian_appFontNameWithoutMarker(appFontName)); + if (!qt_symbian_fontNameHasAppFontMarker(appFontName) + || !registerScreenDeviceFont(fontOnServerIndex, dbExtras)) + dbExtras->removeAppFontData(fnt); + } else { + if (fnt->screenDeviceFontFileId > 0) + S60->screenDevice()->RemoveFile(fnt->screenDeviceFontFileId); // May still have the file open! + QFile::remove(fnt->temporaryFileName); + *fnt = QFontDatabasePrivate::ApplicationFont(); + } + lock.relock(); } bool QFontDatabase::removeApplicationFont(int handle) { - Q_UNUSED(handle); - return false; + QMutexLocker locker(fontDatabaseMutex()); + + QFontDatabasePrivate *db = privateDb(); + if (!db || handle < 0 || handle >= db->applicationFonts.count()) + return false; + QSymbianFontDatabaseExtrasImplementation *dbExtras = + static_cast<QSymbianFontDatabaseExtrasImplementation*>(db->symbianExtras); + if (!dbExtras) + return false; + + QFontDatabasePrivate::ApplicationFont *fnt = &db->applicationFonts[handle]; + if (fnt->families.isEmpty()) + return true; // Nothing to remove. Return peacefully. + + // Must remove all font engines with their CFonts, first + QFontCache::instance()->clear(); + db->free(); + dbExtras->removeAppFontData(fnt); + + db->invalidate(); // This will just emit 'fontDatabaseChanged()' + return true; } bool QFontDatabase::removeAllApplicationFonts() { - return false; + QMutexLocker locker(fontDatabaseMutex()); + + const int applicationFontsCount = privateDb()->applicationFonts.count(); + for (int i = 0; i < applicationFontsCount; ++i) + if (!removeApplicationFont(i)) + return false; + return true; } bool QFontDatabase::supportsThreadedFontRendering() @@ -467,7 +984,7 @@ QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *d, const QF QFontDatabasePrivate *db = privateDb(); QtFontDesc desc; QList<int> blacklistedFamilies; - match(script, req, req.family, QString(), -1, &desc, blacklistedFamilies); + match(script, key.def, key.def.family, QString(), -1, &desc, blacklistedFamilies); if (!desc.family) // falling back to application font desc.family = db->family(QApplication::font().defaultFamily()); Q_ASSERT(desc.family); diff --git a/src/gui/text/qfontengine_s60.cpp b/src/gui/text/qfontengine_s60.cpp index 4317ee6..e9b54e3 100644 --- a/src/gui/text/qfontengine_s60.cpp +++ b/src/gui/text/qfontengine_s60.cpp @@ -244,10 +244,13 @@ static inline unsigned int getChar(const QChar *str, int &i, const int len) return uc; } +extern QString qt_symbian_fontNameWithAppFontMarker(const QString &fontName); // qfontdatabase_s60.cpp + CFont *QFontEngineS60::fontWithSize(qreal size) const { CFont *result = 0; - TFontSpec fontSpec(qt_QString2TPtrC(QFontEngine::fontDef.family), TInt(size)); + const QString family = qt_symbian_fontNameWithAppFontMarker(QFontEngine::fontDef.family); + TFontSpec fontSpec(qt_QString2TPtrC(family), TInt(size)); fontSpec.iFontStyle.SetBitmapType(EAntiAliasedGlyphBitmap); fontSpec.iFontStyle.SetPosture(QFontEngine::fontDef.style == QFont::StyleNormal?EPostureUpright:EPostureItalic); fontSpec.iFontStyle.SetStrokeWeight(QFontEngine::fontDef.weight > QFont::Normal?EStrokeWeightBold:EStrokeWeightNormal); diff --git a/src/gui/text/qplatformfontdatabase_qpa.cpp b/src/gui/text/qplatformfontdatabase_qpa.cpp index d6dff41..afe762a 100644 --- a/src/gui/text/qplatformfontdatabase_qpa.cpp +++ b/src/gui/text/qplatformfontdatabase_qpa.cpp @@ -221,10 +221,11 @@ QFontEngine *QPlatformFontDatabase::fontEngine(const QFontDef &fontDef, QUnicode /*! */ -QStringList QPlatformFontDatabase::fallbacksForFamily(const QString family, const QFont::Style &style, const QUnicodeTables::Script &script) const +QStringList QPlatformFontDatabase::fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const { Q_UNUSED(family); Q_UNUSED(style); + Q_UNUSED(styleHint); Q_UNUSED(script); return QStringList(); } diff --git a/src/gui/text/qplatformfontdatabase_qpa.h b/src/gui/text/qplatformfontdatabase_qpa.h index aa465ab..a1faea9 100644 --- a/src/gui/text/qplatformfontdatabase_qpa.h +++ b/src/gui/text/qplatformfontdatabase_qpa.h @@ -88,7 +88,7 @@ class Q_GUI_EXPORT QPlatformFontDatabase public: virtual void populateFontDatabase(); virtual QFontEngine *fontEngine(const QFontDef &fontDef, QUnicodeTables::Script script, void *handle); - virtual QStringList fallbacksForFamily(const QString family, const QFont::Style &style, const QUnicodeTables::Script &script) const; + virtual QStringList fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const; virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName); virtual void releaseHandle(void *handle); diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp index 498a432..2172f74 100644 --- a/src/gui/text/qtextdocument_p.cpp +++ b/src/gui/text/qtextdocument_p.cpp @@ -663,7 +663,8 @@ void QTextDocumentPrivate::move(int pos, int to, int length, QTextUndoCommand::O Q_ASSERT(blocks.length() == fragments.length()); - finishEdit(); + if (!blockCursorAdjustment) + finishEdit(); } void QTextDocumentPrivate::remove(int pos, int length, QTextUndoCommand::Operation op) @@ -678,6 +679,7 @@ void QTextDocumentPrivate::remove(int pos, int length, QTextUndoCommand::Operati curs->changed = true; } } + finishEdit(); } void QTextDocumentPrivate::setCharFormat(int pos, int length, const QTextCharFormat &newFormat, FormatChangeMode mode) diff --git a/src/gui/text/text.pri b/src/gui/text/text.pri index daafdd9..d3e8f2d 100644 --- a/src/gui/text/text.pri +++ b/src/gui/text/text.pri @@ -147,8 +147,8 @@ symbian { text/qfontengine_s60.cpp HEADERS += \ text/qfontengine_s60_p.h - LIBS += -lfntstr -lecom } + LIBS += -lfntstr -lecom } !qpa { |