diff options
Diffstat (limited to 'src/gui/text/qfontdatabase_qws.cpp')
| -rw-r--r-- | src/gui/text/qfontdatabase_qws.cpp | 972 |
1 files changed, 0 insertions, 972 deletions
diff --git a/src/gui/text/qfontdatabase_qws.cpp b/src/gui/text/qfontdatabase_qws.cpp deleted file mode 100644 index c83e9297d9..0000000000 --- a/src/gui/text/qfontdatabase_qws.cpp +++ /dev/null @@ -1,972 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdir.h" -#if defined(Q_WS_QWS) -#include "qscreen_qws.h" //so we can check for rotation -#include "qwindowsystem_qws.h" -#endif -#include "qlibraryinfo.h" -#include "qabstractfileengine.h" -#include <QtCore/qsettings.h> -#if !defined(QT_NO_FREETYPE) -#include "qfontengine_ft_p.h" - -#include <ft2build.h> -#include FT_FREETYPE_H - -#endif -#include "qfontengine_qpf_p.h" -#include "private/qfactoryloader_p.h" -#include "private/qcore_unix_p.h" // overrides QT_OPEN -#include "qabstractfontengine_qws.h" -#include "qabstractfontengine_p.h" -#include <qdatetime.h> -#include "qplatformdefs.h" - -// for mmap -#include <stdlib.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <fcntl.h> -#include <errno.h> - -#ifdef QT_FONTS_ARE_RESOURCES -#include <qresource.h> -#endif - -QT_BEGIN_NAMESPACE - -#ifndef QT_NO_LIBRARY -Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, - (QFontEngineFactoryInterface_iid, QLatin1String("/fontengines"), Qt::CaseInsensitive)) -#endif - -const quint8 DatabaseVersion = 4; - -// QFontDatabasePrivate::addFont() went into qfontdatabase.cpp - -#ifndef QT_NO_QWS_QPF2 -void QFontDatabasePrivate::addQPF2File(const QByteArray &file) -{ -#ifndef QT_FONTS_ARE_RESOURCES - struct stat st; - if (stat(file.constData(), &st)) - return; - int f = QT_OPEN(file, O_RDONLY, 0); - if (f < 0) - return; - const uchar *data = (const uchar *)mmap(0, st.st_size, PROT_READ, MAP_SHARED, f, 0); - const int dataSize = st.st_size; -#else - QResource res(QLatin1String(file.constData())); - const uchar *data = res.data(); - const int dataSize = res.size(); - //qDebug() << "addQPF2File" << file << data; -#endif - if (data && data != (const uchar *)MAP_FAILED) { - if (QFontEngineQPF::verifyHeader(data, dataSize)) { - QString fontName = QFontEngineQPF::extractHeaderField(data, QFontEngineQPF::Tag_FontName).toString(); - int pixelSize = QFontEngineQPF::extractHeaderField(data, QFontEngineQPF::Tag_PixelSize).toInt(); - QVariant weight = QFontEngineQPF::extractHeaderField(data, QFontEngineQPF::Tag_Weight); - QVariant style = QFontEngineQPF::extractHeaderField(data, QFontEngineQPF::Tag_Style); - QByteArray writingSystemBits = QFontEngineQPF::extractHeaderField(data, QFontEngineQPF::Tag_WritingSystems).toByteArray(); - - if (!fontName.isEmpty() && pixelSize) { - int fontWeight = 50; - if (weight.type() == QVariant::Int || weight.type() == QVariant::UInt) - fontWeight = weight.toInt(); - - bool italic = static_cast<QFont::Style>(style.toInt()) & QFont::StyleItalic; - - QList<QFontDatabase::WritingSystem> writingSystems; - for (int i = 0; i < writingSystemBits.count(); ++i) { - uchar currentByte = writingSystemBits.at(i); - for (int j = 0; j < 8; ++j) { - if (currentByte & 1) - writingSystems << QFontDatabase::WritingSystem(i * 8 + j); - currentByte >>= 1; - } - } - - addFont(fontName, /*foundry*/ "prerendered", fontWeight, italic, - pixelSize, file, /*fileIndex*/ 0, - /*antialiased*/ true, writingSystems); - } - } else { - qDebug() << "header verification of QPF2 font" << file << "failed. maybe it is corrupt?"; - } -#ifndef QT_FONTS_ARE_RESOURCES - munmap((void *)data, st.st_size); -#endif - } -#ifndef QT_FONTS_ARE_RESOURCES - QT_CLOSE(f); -#endif -} -#endif // QT_NO_QWS_QPF2 - -// QFontDatabasePrivate::addTTFile() went into qfontdatabase.cpp - -static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt); - -extern QString qws_fontCacheDir(); - -#ifndef QT_FONTS_ARE_RESOURCES -bool QFontDatabasePrivate::loadFromCache(const QString &fontPath) -{ -#ifdef Q_WS_QWS - const bool weAreTheServer = QWSServer::instance(); -#else - const bool weAreTheServer = true; // assume single-process -#endif - - QString fontDirFile = fontPath + QLatin1String("/fontdir"); - - QFile binaryDb(qws_fontCacheDir() + QLatin1String("/fontdb")); - - if (weAreTheServer) { - QDateTime dbTimeStamp = QFileInfo(binaryDb.fileName()).lastModified(); - - QDateTime fontPathTimeStamp = QFileInfo(fontPath).lastModified(); - if (dbTimeStamp < fontPathTimeStamp) - return false; // let the caller create the cache - - if (QFile::exists(fontDirFile)) { - QDateTime fontDirTimeStamp = QFileInfo(fontDirFile).lastModified(); - if (dbTimeStamp < fontDirTimeStamp) - return false; - } - } - - if (!binaryDb.open(QIODevice::ReadOnly)) { - if (weAreTheServer) - return false; // let the caller create the cache - qFatal("QFontDatabase::loadFromCache: Could not open font database cache!"); - } - - QDataStream stream(&binaryDb); - quint8 version = 0; - quint8 dataStreamVersion = 0; - stream >> version >> dataStreamVersion; - if (version != DatabaseVersion || dataStreamVersion != stream.version()) { - if (weAreTheServer) - return false; // let the caller create the cache - qFatal("QFontDatabase::loadFromCache: Wrong version of the font database cache detected. Found %d/%d expected %d/%d", - version, dataStreamVersion, DatabaseVersion, stream.version()); - } - - QString originalFontPath; - stream >> originalFontPath; - if (originalFontPath != fontPath) { - if (weAreTheServer) - return false; // let the caller create the cache - qFatal("QFontDatabase::loadFromCache: Font path doesn't match. Found %s in database, expected %s", qPrintable(originalFontPath), qPrintable(fontPath)); - } - - QString familyname; - stream >> familyname; - //qDebug() << "populating database from" << binaryDb.fileName(); - while (!familyname.isEmpty() && !stream.atEnd()) { - QString foundryname; - int weight; - quint8 italic; - int pixelSize; - QByteArray file; - int fileIndex; - quint8 antialiased; - quint8 writingSystemCount; - - QList<QFontDatabase::WritingSystem> writingSystems; - - stream >> foundryname >> weight >> italic >> pixelSize - >> file >> fileIndex >> antialiased >> writingSystemCount; - - for (quint8 i = 0; i < writingSystemCount; ++i) { - quint8 ws; - stream >> ws; - writingSystems.append(QFontDatabase::WritingSystem(ws)); - } - - addFont(familyname, foundryname.toLatin1().constData(), weight, italic, pixelSize, file, fileIndex, antialiased, - writingSystems); - - stream >> familyname; - } - - stream >> fallbackFamilies; - //qDebug() << "fallback families from cache:" << fallbackFamilies; - return true; -} -#endif // QT_FONTS_ARE_RESOURCES - -/*! - \internal -*/ - -static QString qwsFontPath() -{ - QString fontpath = QString::fromLocal8Bit(qgetenv("QT_QWS_FONTDIR")); - if (fontpath.isEmpty()) { -#ifdef QT_FONTS_ARE_RESOURCES - fontpath = QLatin1String(":/qt/fonts"); -#else -#ifndef QT_NO_SETTINGS - fontpath = QLibraryInfo::location(QLibraryInfo::LibrariesPath); - fontpath += QLatin1String("/fonts"); -#else - fontpath = QLatin1String("/lib/fonts"); -#endif -#endif //QT_FONTS_ARE_RESOURCES - } - - return fontpath; -} - -#if defined(QFONTDATABASE_DEBUG) && defined(QT_FONTS_ARE_RESOURCES) -class FriendlyResource : public QResource -{ -public: - bool isDir () const { return QResource::isDir(); } - bool isFile () const { return QResource::isFile(); } - QStringList children () const { return QResource::children(); } -}; -#endif -/*! - \internal -*/ -static void initializeDb() -{ - QFontDatabasePrivate *db = privateDb(); - if (!db || db->count) - return; - - QString fontpath = qwsFontPath(); -#ifndef QT_FONTS_ARE_RESOURCES - QString fontDirFile = fontpath + QLatin1String("/fontdir"); - - if(!QFile::exists(fontpath)) { - qFatal("QFontDatabase: Cannot find font directory %s - is Qt installed correctly?", - fontpath.toLocal8Bit().constData()); - } - - const bool loaded = db->loadFromCache(fontpath); - - if (db->reregisterAppFonts) { - db->reregisterAppFonts = false; - for (int i = 0; i < db->applicationFonts.count(); ++i) - if (!db->applicationFonts.at(i).families.isEmpty()) { - registerFont(&db->applicationFonts[i]); - } - } - - if (loaded) - return; - - QString dbFileName = qws_fontCacheDir() + QLatin1String("/fontdb"); - - QFile binaryDb(dbFileName + QLatin1String(".tmp")); - binaryDb.open(QIODevice::WriteOnly | QIODevice::Truncate); - db->stream = new QDataStream(&binaryDb); - *db->stream << DatabaseVersion << quint8(db->stream->version()) << fontpath; -// qDebug() << "creating binary database at" << binaryDb.fileName(); - - // Load in font definition file - FILE* fontdef=fopen(fontDirFile.toLocal8Bit().constData(),"r"); - if (fontdef) { - char buf[200]=""; - char name[200]=""; - char render[200]=""; - char file[200]=""; - char isitalic[10]=""; - char flags[10]=""; - do { - fgets(buf,200,fontdef); - if (buf[0] != '#') { - int weight=50; - int size=0; - sscanf(buf,"%s %s %s %s %d %d %s",name,file,render,isitalic,&weight,&size,flags); - QString filename; - if (file[0] != '/') - filename.append(fontpath).append(QLatin1Char('/')); - filename += QLatin1String(file); - bool italic = isitalic[0] == 'y'; - bool smooth = QByteArray(flags).contains('s'); - if (file[0] && QFile::exists(filename)) - db->addFont(QString::fromUtf8(name), /*foundry*/"", weight, italic, size/10, QFile::encodeName(filename), /*fileIndex*/ 0, smooth); - } - } while (!feof(fontdef)); - fclose(fontdef); - } - - - QDir dir(fontpath, QLatin1String("*.qpf")); - for (int i=0; i<int(dir.count()); i++) { - int u0 = dir[i].indexOf(QLatin1Char('_')); - int u1 = dir[i].indexOf(QLatin1Char('_'), u0+1); - int u2 = dir[i].indexOf(QLatin1Char('_'), u1+1); - int u3 = dir[i].indexOf(QLatin1Char('.'), u1+1); - if (u2 < 0) u2 = u3; - - QString familyname = dir[i].left(u0); - int pixelSize = dir[i].mid(u0+1,u1-u0-1).toInt()/10; - bool italic = dir[i].mid(u2-1,1) == QLatin1String("i"); - int weight = dir[i].mid(u1+1,u2-u1-1-(italic?1:0)).toInt(); - - db->addFont(familyname, /*foundry*/ "qt", weight, italic, pixelSize, QFile::encodeName(dir.absoluteFilePath(dir[i])), - /*fileIndex*/ 0, /*antialiased*/ true); - } - -#ifndef QT_NO_FREETYPE - dir.setNameFilters(QStringList() << QLatin1String("*.ttf") - << QLatin1String("*.ttc") << QLatin1String("*.pfa") - << QLatin1String("*.pfb")); - dir.refresh(); - for (int i = 0; i < int(dir.count()); ++i) { - const QByteArray file = QFile::encodeName(dir.absoluteFilePath(dir[i])); -// qDebug() << "looking at" << file; - db->addTTFile(file); - } -#endif - -#ifndef QT_NO_QWS_QPF2 - dir.setNameFilters(QStringList() << QLatin1String("*.qpf2")); - dir.refresh(); - for (int i = 0; i < int(dir.count()); ++i) { - const QByteArray file = QFile::encodeName(dir.absoluteFilePath(dir[i])); -// qDebug() << "looking at" << file; - db->addQPF2File(file); - } -#endif - -#else //QT_FONTS_ARE_RESOURCES -#ifdef QFONTDATABASE_DEBUG - { - QResource fontdir(fontpath); - FriendlyResource *fr = static_cast<FriendlyResource*>(&fontdir); - qDebug() << "fontdir" << fr->isValid() << fr->isDir() << fr->children(); - - } -#endif -#ifndef QT_NO_QWS_QPF2 - QDir dir(fontpath, QLatin1String("*.qpf2")); - for (int i = 0; i < int(dir.count()); ++i) { - const QByteArray file = QFile::encodeName(dir.absoluteFilePath(dir[i])); - //qDebug() << "looking at" << file; - db->addQPF2File(file); - } -#endif -#endif //QT_FONTS_ARE_RESOURCES - - -#ifdef QFONTDATABASE_DEBUG - // print the database - for (int f = 0; f < db->count; f++) { - QtFontFamily *family = db->families[f]; - FD_DEBUG("'%s' %s", qPrintable(family->name), (family->fixedPitch ? "fixed" : "")); -#if 0 - for (int i = 0; i < QFont::LastPrivateScript; ++i) { - FD_DEBUG("\t%s: %s", qPrintable(QFontDatabase::scriptName((QFont::Script) i)), - ((family->scripts[i] & QtFontFamily::Supported) ? "Supported" : - (family->scripts[i] & QtFontFamily::UnSupported) == QtFontFamily::UnSupported ? - "UnSupported" : "Unknown")); - } -#endif - - for (int fd = 0; fd < family->count; fd++) { - QtFontFoundry *foundry = family->foundries[fd]; - FD_DEBUG("\t\t'%s'", qPrintable(foundry->name)); - for (int s = 0; s < foundry->count; s++) { - QtFontStyle *style = foundry->styles[s]; - FD_DEBUG("\t\t\tstyle: style=%d weight=%d\n" - "\t\t\tstretch=%d", - style->key.style, style->key.weight, - style->key.stretch); - if (style->smoothScalable) - FD_DEBUG("\t\t\t\tsmooth scalable"); - else if (style->bitmapScalable) - FD_DEBUG("\t\t\t\tbitmap scalable"); - if (style->pixelSizes) { - FD_DEBUG("\t\t\t\t%d pixel sizes", style->count); - for (int z = 0; z < style->count; ++z) { - QtFontSize *size = style->pixelSizes + z; - FD_DEBUG("\t\t\t\t size %5d", - size->pixelSize); - } - } - } - } - } -#endif // QFONTDATABASE_DEBUG - -#ifndef QT_NO_LIBRARY - QStringList pluginFoundries = loader()->keys(); -// qDebug() << "plugin foundries:" << pluginFoundries; - for (int i = 0; i < pluginFoundries.count(); ++i) { - const QString foundry(pluginFoundries.at(i)); - - QFontEngineFactoryInterface *factory = qobject_cast<QFontEngineFactoryInterface *>(loader()->instance(foundry)); - if (!factory) { - qDebug() << "Could not load plugin for foundry" << foundry; - continue; - } - - QList<QFontEngineInfo> fonts = factory->availableFontEngines(); - for (int i = 0; i < fonts.count(); ++i) { - QFontEngineInfo info = fonts.at(i); - - int weight = info.weight(); - if (weight <= 0) - weight = QFont::Normal; - - db->addFont(info.family(), foundry.toLatin1().constData(), - weight, info.style() != QFont::StyleNormal, - qRound(info.pixelSize()), /*file*/QByteArray(), - /*fileIndex*/0, /*antiAliased*/true, - info.writingSystems()); - } - } -#endif - -#ifndef QT_FONTS_ARE_RESOURCES - // the empty string/familyname signifies the end of the font list. - *db->stream << QString(); -#endif - { - bool coveredWritingSystems[QFontDatabase::WritingSystemsCount] = { 0 }; - - db->fallbackFamilies.clear(); - - for (int i = 0; i < db->count; ++i) { - QtFontFamily *family = db->families[i]; - bool add = false; - if (family->count == 0) - continue; - if (family->bogusWritingSystems) - continue; - for (int ws = 1; ws < QFontDatabase::WritingSystemsCount; ++ws) { - if (coveredWritingSystems[ws]) - continue; - if (family->writingSystems[ws] & QtFontFamily::Supported) { - coveredWritingSystems[ws] = true; - add = true; - } - } - if (add) - db->fallbackFamilies << family->name; - } - //qDebug() << "fallbacks on the server:" << db->fallbackFamilies; -#ifndef QT_FONTS_ARE_RESOURCES - *db->stream << db->fallbackFamilies; -#endif - } -#ifndef QT_FONTS_ARE_RESOURCES - delete db->stream; - db->stream = 0; - QFile::remove(dbFileName); - binaryDb.rename(dbFileName); -#endif -} - -// called from qwindowsystem_qws.cpp -void qt_qws_init_fontdb() -{ - initializeDb(); -} - -#ifndef QT_NO_SETTINGS -// called from qapplication_qws.cpp -void qt_applyFontDatabaseSettings(const QSettings &settings) -{ - initializeDb(); - QFontDatabasePrivate *db = privateDb(); - for (int i = 0; i < db->count; ++i) { - QtFontFamily *family = db->families[i]; - if (settings.contains(family->name)) - family->fallbackFamilies = settings.value(family->name).toStringList(); - } - - if (settings.contains(QLatin1String("Global Fallbacks"))) - db->fallbackFamilies = settings.value(QLatin1String("Global Fallbacks")).toStringList(); -} -#endif // QT_NO_SETTINGS - -static inline void load(const QString & = QString(), int = -1) -{ - initializeDb(); -} - -#ifndef QT_NO_FREETYPE - -#if (FREETYPE_MAJOR*10000+FREETYPE_MINOR*100+FREETYPE_PATCH) >= 20105 -#define X_SIZE(face,i) ((face)->available_sizes[i].x_ppem) -#define Y_SIZE(face,i) ((face)->available_sizes[i].y_ppem) -#else -#define X_SIZE(face,i) ((face)->available_sizes[i].width << 6) -#define Y_SIZE(face,i) ((face)->available_sizes[i].height << 6) -#endif - -#endif // QT_NO_FREETYPE - -static -QFontEngine *loadSingleEngine(int script, const QFontPrivate *fp, - const QFontDef &request, - QtFontFamily *family, QtFontFoundry *foundry, - QtFontStyle *style, QtFontSize *size) -{ - Q_UNUSED(script); - Q_UNUSED(fp); -#ifdef QT_NO_FREETYPE - Q_UNUSED(foundry); -#endif -#ifdef QT_NO_QWS_QPF - Q_UNUSED(family); -#endif - Q_ASSERT(size); - - int pixelSize = size->pixelSize; - if (!pixelSize || (style->smoothScalable && pixelSize == SMOOTH_SCALABLE)) - pixelSize = request.pixelSize; - -#ifndef QT_NO_QWS_QPF2 - if (foundry->name == QLatin1String("prerendered")) { -#ifdef QT_FONTS_ARE_RESOURCES - QResource res(QLatin1String(size->fileName.constData())); - if (res.isValid()) { - QFontEngineQPF *fe = new QFontEngineQPF(request, res.data(), res.size()); - if (fe->isValid()) - return fe; - delete fe; - qDebug() << "fontengine is not valid! " << size->fileName; - } else { - qDebug() << "Resource not valid" << size->fileName; - } -#else - int f = ::open(size->fileName, O_RDONLY, 0); - if (f >= 0) { - QFontEngineQPF *fe = new QFontEngineQPF(request, f); - if (fe->isValid()) - return fe; - delete fe; // will close f - qDebug() << "fontengine is not valid!"; - } -#endif - } else -#endif - if ( foundry->name != QLatin1String("qt") ) { ///#### is this the best way???? - QString file = QFile::decodeName(size->fileName); - - QFontDef def = request; - def.pixelSize = pixelSize; - -#ifdef QT_NO_QWS_SHARE_FONTS - bool shareFonts = false; -#else - static bool dontShareFonts = !qgetenv("QWS_NO_SHARE_FONTS").isEmpty(); - bool shareFonts = !dontShareFonts; -#endif - - QScopedPointer<QFontEngine> engine; - -#ifndef QT_NO_LIBRARY - QFontEngineFactoryInterface *factory = qobject_cast<QFontEngineFactoryInterface *>(loader()->instance(foundry->name)); - if (factory) { - QFontEngineInfo info; - info.setFamily(request.family); - info.setPixelSize(request.pixelSize); - info.setStyle(QFont::Style(request.style)); - info.setWeight(request.weight); - // #### antialiased - - QAbstractFontEngine *customEngine = factory->create(info); - if (customEngine) { - engine.reset(new QProxyFontEngine(customEngine, def)); - - if (shareFonts) { - QVariant hint = customEngine->fontProperty(QAbstractFontEngine::CacheGlyphsHint); - if (hint.isValid()) - shareFonts = hint.toBool(); - else - shareFonts = (pixelSize < 64); - } - } - } -#endif // QT_NO_LIBRARY - if ((engine.isNull() && !file.isEmpty() && QFile::exists(file)) || privateDb()->isApplicationFont(file)) { - QFontEngine::FaceId faceId; - faceId.filename = file.toLocal8Bit(); - faceId.index = size->fileIndex; - -#ifndef QT_NO_FREETYPE - - QScopedPointer<QFontEngineFT> fte(new QFontEngineFT(def)); - bool antialias = style->antialiased && !(request.styleStrategy & QFont::NoAntialias); - if (fte->init(faceId, antialias, - antialias ? QFontEngineFT::Format_A8 : QFontEngineFT::Format_Mono)) { -#ifdef QT_NO_QWS_QPF2 - return fte.take(); -#else - // try to distinguish between bdf and ttf fonts we can pre-render - // and don't try to share outline fonts - shareFonts = shareFonts - && !fte->defaultGlyphs()->outline_drawing - && !fte->getSfntTable(MAKE_TAG('h', 'e', 'a', 'd')).isEmpty(); - engine.reset(fte.take()); -#endif - } -#endif // QT_NO_FREETYPE - } - if (!engine.isNull()) { -#if !defined(QT_NO_QWS_QPF2) && !defined(QT_FONTS_ARE_RESOURCES) - if (shareFonts) { - QScopedPointer<QFontEngineQPF> fe(new QFontEngineQPF(def, -1, engine.data())); - engine.take(); - if (fe->isValid()) - return fe.take(); - qWarning("Initializing QFontEngineQPF failed for %s", qPrintable(file)); - engine.reset(fe->takeRenderingEngine()); - } -#endif - return engine.take(); - } - } else - { -#ifndef QT_NO_QWS_QPF - QString fn = qwsFontPath(); - fn += QLatin1Char('/'); - fn += family->name.toLower() - + QLatin1Char('_') + QString::number(pixelSize*10) - + QLatin1Char('_') + QString::number(style->key.weight) - + (style->key.style == QFont::StyleItalic ? - QLatin1String("i.qpf") : QLatin1String(".qpf")); - //###rotation ### - - QFontEngine *fe = new QFontEngineQPF1(request, fn); - return fe; -#endif // QT_NO_QWS_QPF - } - return new QFontEngineBox(pixelSize); -} - -static -QFontEngine *loadEngine(int script, const QFontPrivate *fp, - const QFontDef &request, - QtFontFamily *family, QtFontFoundry *foundry, - QtFontStyle *style, QtFontSize *size) -{ - QScopedPointer<QFontEngine> engine(loadSingleEngine(script, fp, request, family, foundry, - style, size)); -#ifndef QT_NO_QWS_QPF - if (!engine.isNull() - && script == QUnicodeTables::Common - && !(request.styleStrategy & QFont::NoFontMerging) && !engine->symbol) { - - QStringList fallbacks = privateDb()->fallbackFamilies; - - if (family && !family->fallbackFamilies.isEmpty()) - fallbacks = family->fallbackFamilies; - - QFontEngine *fe = new QFontEngineMultiQWS(engine.data(), script, fallbacks); - engine.take(); - engine.reset(fe); - } -#endif - return engine.take(); -} - -static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt) -{ - QFontDatabasePrivate *db = privateDb(); -#ifdef QT_NO_FREETYPE - Q_UNUSED(fnt); -#else - fnt->families = db->addTTFile(QFile::encodeName(fnt->fileName), fnt->data); - db->fallbackFamilies += fnt->families; -#endif - db->reregisterAppFonts = true; -} - -bool QFontDatabase::removeApplicationFont(int handle) -{ - QMutexLocker locker(fontDatabaseMutex()); - - QFontDatabasePrivate *db = privateDb(); - if (handle < 0 || handle >= db->applicationFonts.count()) - return false; - - db->applicationFonts[handle] = QFontDatabasePrivate::ApplicationFont(); - - db->reregisterAppFonts = true; - db->invalidate(); - return true; -} - -bool QFontDatabase::removeAllApplicationFonts() -{ - QMutexLocker locker(fontDatabaseMutex()); - - QFontDatabasePrivate *db = privateDb(); - if (db->applicationFonts.isEmpty()) - return false; - - db->applicationFonts.clear(); - db->invalidate(); - return true; -} - -bool QFontDatabase::supportsThreadedFontRendering() -{ - return true; -} - -QFontEngine * -QFontDatabase::findFont(int script, const QFontPrivate *fp, - const QFontDef &request) -{ - QMutexLocker locker(fontDatabaseMutex()); - - const int force_encoding_id = -1; - - if (!privateDb()->count) - initializeDb(); - - QScopedPointer<QFontEngine> fe; - if (fp) { - if (fp->rawMode) { - fe.reset(loadEngine(script, fp, request, 0, 0, 0, 0)); - - // if we fail to load the rawmode font, use a 12pixel box engine instead - if (fe.isNull()) - fe.reset(new QFontEngineBox(12)); - return fe.take(); - } - - QFontCache::Key key(request, script); - fe.reset(QFontCache::instance()->findEngine(key)); - if (! fe.isNull()) - return fe.take(); - } - - QString family_name, foundry_name; - QtFontStyle::Key styleKey; - styleKey.style = request.style; - styleKey.weight = request.weight; - styleKey.stretch = request.stretch; - char pitch = request.ignorePitch ? '*' : request.fixedPitch ? 'm' : 'p'; - - parseFontName(request.family, foundry_name, family_name); - - FM_DEBUG("QFontDatabase::findFont\n" - " request:\n" - " family: %s [%s], script: %d\n" - " weight: %d, style: %d\n" - " stretch: %d\n" - " pixelSize: %g\n" - " pitch: %c", - family_name.isEmpty() ? "-- first in script --" : family_name.toLatin1().constData(), - foundry_name.isEmpty() ? "-- any --" : foundry_name.toLatin1().constData(), - script, request.weight, request.style, request.stretch, request.pixelSize, pitch); - - if (qt_enable_test_font && request.family == QLatin1String("__Qt__Box__Engine__")) { - fe.reset(new QTestFontEngine(request.pixelSize)); - fe->fontDef = request; - } - - if (fe.isNull()) - { - QtFontDesc desc; - match(script, request, family_name, foundry_name, force_encoding_id, &desc); - - if (desc.family != 0 && desc.foundry != 0 && desc.style != 0 - ) { - FM_DEBUG(" BEST:\n" - " family: %s [%s]\n" - " weight: %d, style: %d\n" - " stretch: %d\n" - " pixelSize: %d\n" - " pitch: %c\n" - " encoding: %d\n", - desc.family->name.toLatin1().constData(), - desc.foundry->name.isEmpty() ? "-- none --" : desc.foundry->name.toLatin1().constData(), - desc.style->key.weight, desc.style->key.style, - desc.style->key.stretch, desc.size ? desc.size->pixelSize : 0xffff, - 'p', 0 - ); - - fe.reset(loadEngine(script, fp, request, desc.family, desc.foundry, desc.style, desc.size - )); - } else { - FM_DEBUG(" NO MATCH FOUND\n"); - } - if (! fe.isNull()) - initFontDef(desc, request, &fe->fontDef); - } - -#ifndef QT_NO_FREETYPE - if (! fe.isNull()) { - if (scriptRequiresOpenType(script) && fe->type() == QFontEngine::Freetype) { - HB_Face hbFace = static_cast<QFontEngineFT *>(fe.data())->harfbuzzFace(); - if (!hbFace || !hbFace->supported_scripts[script]) { - FM_DEBUG(" OpenType support missing for script\n"); - fe.reset(0); - } - } - } -#endif - - if (! fe.isNull()) { - if (fp) { - QFontDef def = request; - if (def.family.isEmpty()) { - def.family = fp->request.family; - def.family = def.family.left(def.family.indexOf(QLatin1Char(','))); - } - QFontCache::Key key(def, script); - QFontCache::instance()->insertEngine(key, fe.data()); - } - } - - if (fe.isNull()) { - if (!request.family.isEmpty()) - return 0; - - FM_DEBUG("returning box engine"); - - fe.reset(new QFontEngineBox(request.pixelSize)); - - if (fp) { - QFontCache::Key key(request, script); - QFontCache::instance()->insertEngine(key, fe.data()); - } - } - - if (fp && fp->dpi > 0) { - fe->fontDef.pointSize = qreal(double((fe->fontDef.pixelSize * 72) / fp->dpi)); - } else { - fe->fontDef.pointSize = request.pointSize; - } - - return fe.take(); -} - -void QFontDatabase::load(const QFontPrivate *d, int script) -{ - QFontDef req = d->request; - - if (req.pixelSize == -1) - req.pixelSize = qRound(req.pointSize*d->dpi/72); - if (req.pointSize < 0) - req.pointSize = req.pixelSize*72.0/d->dpi; - - if (!d->engineData) { - QFontCache::Key key(req, script); - - // look for the requested font in the engine data cache - d->engineData = QFontCache::instance()->findEngineData(key); - - if (!d->engineData) { - // create a new one - d->engineData = new QFontEngineData; - QT_TRY { - QFontCache::instance()->insertEngineData(key, d->engineData); - } QT_CATCH(...) { - delete d->engineData; - d->engineData = 0; - QT_RETHROW; - } - } else { - d->engineData->ref.ref(); - } - } - - // the cached engineData could have already loaded the engine we want - if (d->engineData->engines[script]) return; - - // double scale = 1.0; // ### TODO: fix the scale calculations - - // list of families to try - QStringList family_list; - - if (!req.family.isEmpty()) { - family_list = req.family.split(QLatin1Char(',')); - - // append the substitute list for each family in family_list - QStringList subs_list; - QStringList::ConstIterator it = family_list.constBegin(), end = family_list.constEnd(); - for (; it != end; ++it) - subs_list += QFont::substitutes(*it); - family_list += subs_list; - - // append the default fallback font for the specified script - // family_list << ... ; ########### - - // add the default family - QString defaultFamily = QApplication::font().family(); - if (! family_list.contains(defaultFamily)) - family_list << defaultFamily; - - // add QFont::defaultFamily() to the list, for compatibility with - // previous versions - family_list << QApplication::font().defaultFamily(); - } - - // null family means find the first font matching the specified script - family_list << QString(); - - // load the font - QFontEngine *engine = 0; - QStringList::ConstIterator it = family_list.constBegin(), end = family_list.constEnd(); - for (; !engine && it != end; ++it) { - req.family = *it; - - engine = QFontDatabase::findFont(script, d, req); - if (engine && (engine->type()==QFontEngine::Box) && !req.family.isEmpty()) - engine = 0; - } - - engine->ref.ref(); - d->engineData->engines[script] = engine; -} - - -QT_END_NAMESPACE |