--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfontdatabase_qws.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,964 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdir.h"
+#include "qscreen_qws.h" //so we can check for rotation
+#include "qwindowsystem_qws.h"
+#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)
+{
+ const bool weAreTheServer = QWSServer::instance();
+
+ 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
+ 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 //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));
+ if (fte->init(faceId, style->antialiased,
+ style->antialiased ? 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));
+ 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);
+ }
+ 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;
+}
+
+/*!
+ \internal
+*/
+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: %d\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