From 54b11268052dd2c481c326e3a8ba30ebdb44f0e4 Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Wed, 11 Feb 2015 10:07:47 +0100 Subject: Windows: Refactor FreeType font database. - Split apart Windows CE/Windows code paths, moving code out of addFontToDatabase() to separate static functions. - Pass faceName/fullName as separate parameters to addFontToDatabase(). This is preparatory work for introducing the delayed font population scheme for FreeType. Task-number: QTBUG-43774 Change-Id: I3863bf847bc4024b8955d3bdb9af3cdd2abc1e5e Reviewed-by: Konstantin Ritt --- .../platforms/windows/qwindowsfontdatabase_ft.cpp | 232 ++++++++++++--------- 1 file changed, 132 insertions(+), 100 deletions(-) (limited to 'src') diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp index 0c294c2727..d1ea8a798f 100644 --- a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp +++ b/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp @@ -41,6 +41,7 @@ #include #include #include +#include #include #include #include @@ -101,7 +102,67 @@ static FontFile * createFontFile(const QString &fileName, int index) extern bool localizedName(const QString &name); extern QString getEnglishName(const QString &familyName); -#ifdef Q_OS_WINCE +#ifndef Q_OS_WINCE + +namespace { +struct FontKey +{ + QString fileName; + QStringList fontNames; +}; +} // namespace + +typedef QVector FontKeys; + +static FontKeys &fontKeys() +{ + static FontKeys result; + if (result.isEmpty()) { + const QSettings fontRegistry(QStringLiteral("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"), + QSettings::NativeFormat); + const QStringList allKeys = fontRegistry.allKeys(); + const QString trueType = QStringLiteral("(TrueType)"); + const QRegularExpression sizeListMatch(QStringLiteral("\\s(\\d+,)+\\d+")); + Q_ASSERT(sizeListMatch.isValid()); + const int size = allKeys.size(); + result.reserve(size); + for (int i = 0; i < size; ++i) { + FontKey fontKey; + const QString ®istryFontKey = allKeys.at(i); + fontKey.fileName = fontRegistry.value(registryFontKey).toString(); + QString realKey = registryFontKey; + realKey.remove(trueType); + realKey.remove(sizeListMatch); + const QStringList fontNames = realKey.trimmed().split(QLatin1Char('&')); + fontKey.fontNames.reserve(fontNames.size()); + foreach (const QString &fontName, fontNames) + fontKey.fontNames.append(fontName.trimmed()); + result.append(fontKey); + } + } + return result; +} + +static const FontKey *findFontKey(const QString &name, int *indexIn = Q_NULLPTR) +{ + typedef FontKeys::ConstIterator ConstIt; + + const FontKeys &keys = fontKeys(); + for (ConstIt it = keys.constBegin(), cend = keys.constEnd(); it != cend; ++it) { + const int index = it->fontNames.indexOf(name); + if (index >= 0) { + if (indexIn) + *indexIn = index; + return &(*it); + } + } + if (indexIn) + *indexIn = -1; + return Q_NULLPTR; +} + +#else // Q_OS_WINCE + typedef struct { quint16 majorVersion; quint16 minorVersion; @@ -220,24 +281,67 @@ static QString fontNameFromTTFile(const QString &filename) } return retVal; } + +static inline QString fontSettingsOrganization() { return QStringLiteral("Qt-Project"); } +static inline QString fontSettingsApplication() { return QStringLiteral("Qtbase"); } +static inline QString fontSettingsGroup() { return QStringLiteral("CEFontCache"); } + +static QString findFontFile(const QString &faceName) +{ + static QHash fontCache; + + if (fontCache.isEmpty()) { + QSettings settings(QSettings::SystemScope, fontSettingsOrganization(), fontSettingsApplication()); + settings.beginGroup(fontSettingsGroup()); + foreach (const QString &fontName, settings.allKeys()) + fontCache.insert(fontName, settings.value(fontName).toString()); + settings.endGroup(); + } + + QString value = fontCache.value(faceName); + + //Fallback if we haven't cached the font yet or the font got removed/renamed iterate again over all fonts + if (value.isEmpty() || !QFile::exists(value)) { + QSettings settings(QSettings::SystemScope, fontSettingsOrganization(), fontSettingsApplication()); + settings.beginGroup(fontSettingsGroup()); + + //empty the cache first, as it seems that it is dirty + settings.remove(QString()); + + QDirIterator it(QStringLiteral("/Windows"), QStringList(QStringLiteral("*.ttf")), QDir::Files | QDir::Hidden | QDir::System); + + while (it.hasNext()) { + const QString fontFile = it.next(); + const QString fontName = fontNameFromTTFile(fontFile); + if (fontName.isEmpty()) + continue; + fontCache.insert(fontName, fontFile); + settings.setValue(fontName, fontFile); + + if (localizedName(fontName)) { + QString englishFontName = getEnglishName(fontName); + fontCache.insert(englishFontName, fontFile); + settings.setValue(englishFontName, fontFile); + } + } + settings.endGroup(); + value = fontCache.value(faceName); + } + return value; +} #endif // Q_OS_WINCE -static bool addFontToDatabase(const QString &familyName, uchar charSet, +static bool addFontToDatabase(const QString &faceName, + const QString &fullName, + uchar charSet, const TEXTMETRIC *textmetric, const FONTSIGNATURE *signature, int type) { - typedef QPair FontKey; - // the "@family" fonts are just the same as "family". Ignore them. - if (familyName.isEmpty() || familyName.at(0) == QLatin1Char('@') || familyName.startsWith(QLatin1String("WST_"))) + if (faceName.isEmpty() || faceName.at(0) == QLatin1Char('@') || faceName.startsWith(QLatin1String("WST_"))) return false; - const int separatorPos = familyName.indexOf(QStringLiteral("::")); - const QString faceName = - separatorPos != -1 ? familyName.left(separatorPos) : familyName; - const QString fullName = - separatorPos != -1 ? familyName.mid(separatorPos + 2) : QString(); static const int SMOOTH_SCALABLE = 0xffff; const QString foundryName; // No such concept. const NEWTEXTMETRIC *tm = (NEWTEXTMETRIC *)textmetric; @@ -254,7 +358,7 @@ static bool addFontToDatabase(const QString &familyName, uchar charSet, if (QWindowsContext::verbose > 2) { QString message; QTextStream str(&message); - str << __FUNCTION__ << ' ' << familyName << ' ' << charSet << " TTF=" << ttf; + str << __FUNCTION__ << ' ' << faceName << "::" << fullName << ' ' << charSet << " TTF=" << ttf; if (type & DEVICE_FONTTYPE) str << " DEVICE"; if (type & RASTER_FONTTYPE) @@ -297,93 +401,19 @@ static bool addFontToDatabase(const QString &familyName, uchar charSet, writingSystems.setSupported(ws); } -#ifndef Q_OS_WINCE - const QSettings fontRegistry(QStringLiteral("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"), - QSettings::NativeFormat); - - static QVector allFonts; - if (allFonts.isEmpty()) { - const QStringList allKeys = fontRegistry.allKeys(); - allFonts.reserve(allKeys.size()); - const QString trueType = QStringLiteral("(TrueType)"); - const QRegExp sizeListMatch(QStringLiteral("\\s(\\d+,)+\\d+")); - foreach (const QString &key, allKeys) { - QString realKey = key; - realKey.remove(trueType); - realKey.remove(sizeListMatch); - QStringList fonts; - const QStringList fontNames = realKey.trimmed().split(QLatin1Char('&')); - foreach (const QString &fontName, fontNames) - fonts.push_back(fontName.trimmed()); - allFonts.push_back(FontKey(key, fonts)); - } - } - - QString value; int index = 0; - for (int k = 0; k < allFonts.size(); ++k) { - const FontKey &fontKey = allFonts.at(k); - for (int i = 0; i < fontKey.second.length(); ++i) { - const QString &font = fontKey.second.at(i); - if (font == faceName || fullName == font || englishName == font) { - value = fontRegistry.value(fontKey.first).toString(); - index = i; - break; - } - } - if (!value.isEmpty()) - break; +#ifndef Q_OS_WINCE + const FontKey *key = findFontKey(faceName, &index); + if (!key) { + key = findFontKey(fullName, &index); + if (!key && !englishName.isEmpty()) + key = findFontKey(englishName, &index); + if (!key) + return false; } + QString value = key->fileName; #else - QString value; - int index = 0; - - static QHash fontCache; - - if (fontCache.isEmpty()) { - QSettings settings(QSettings::SystemScope, QStringLiteral("Qt-Project"), QStringLiteral("Qtbase")); - settings.beginGroup(QStringLiteral("CEFontCache")); - - foreach (const QString &fontName, settings.allKeys()) { - const QString fontFileName = settings.value(fontName).toString(); - fontCache.insert(fontName, fontFileName); - } - - settings.endGroup(); // CEFontCache - } - - value = fontCache.value(faceName); - - //Fallback if we haven't cached the font yet or the font got removed/renamed iterate again over all fonts - if (value.isEmpty() || !QFile::exists(value)) { - QSettings settings(QSettings::SystemScope, QStringLiteral("Qt-Project"), QStringLiteral("Qtbase")); - settings.beginGroup(QStringLiteral("CEFontCache")); - - //empty the cache first, as it seems that it is dirty - foreach (const QString &fontName, settings.allKeys()) - settings.remove(fontName); - - QDirIterator it(QStringLiteral("/Windows"), QStringList(QStringLiteral("*.ttf")), QDir::Files | QDir::Hidden | QDir::System); - - while (it.hasNext()) { - const QString fontFile = it.next(); - const QString fontName = fontNameFromTTFile(fontFile); - if (fontName.isEmpty()) - continue; - fontCache.insert(fontName, fontFile); - settings.setValue(fontName, fontFile); - - if (localizedName(fontName)) { - QString englishFontName = getEnglishName(fontName); - fontCache.insert(englishFontName, fontFile); - settings.setValue(englishFontName, fontFile); - } - } - - value = fontCache.value(faceName); - - settings.endGroup(); // CEFontCache - } + QString value = findFontFile(faceName); #endif if (value.isEmpty()) @@ -440,9 +470,9 @@ static int QT_WIN_CALLBACK storeFont(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetr int type, LPARAM namesSetIn) { typedef QSet StringSet; - const QString familyName = QString::fromWCharArray(f->elfLogFont.lfFaceName) - + QStringLiteral("::") - + QString::fromWCharArray(f->elfFullName); + + const QString faceName = QString::fromWCharArray(f->elfLogFont.lfFaceName); + const QString fullName = QString::fromWCharArray(f->elfFullName); const uchar charSet = f->elfLogFont.lfCharSet; #ifndef Q_OS_WINCE @@ -476,8 +506,10 @@ static int QT_WIN_CALLBACK storeFont(ENUMLOGFONTEX* f, NEWTEXTMETRICEX *textmetr // NEWTEXTMETRICEX is a NEWTEXTMETRIC, which according to the documentation is // identical to a TEXTMETRIC except for the last four members, which we don't use // anyway - if (addFontToDatabase(familyName, charSet, (TEXTMETRIC *)textmetric, &signature, type)) - reinterpret_cast(namesSetIn)->insert(familyName); + if (addFontToDatabase(faceName, fullName, + charSet, (TEXTMETRIC *)textmetric, &signature, type)) { + reinterpret_cast(namesSetIn)->insert(faceName + QStringLiteral("::") + fullName); + } // keep on enumerating return 1; -- cgit v1.2.3