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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/qapplication_p.h>
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/* :QTP:JKOO-7XPHCJ:resolve header split problem */
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#include "qglobal.h"
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#include "qdir.h"
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#include "qfont_p.h"
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#include "qfontengine_s60_p.h"
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#include "qabstractfileengine.h"
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#include "qdesktopservices.h"
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#include "qpixmap_s60_p.h"
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#include "qt_s60_p.h"
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#include "qendian.h"
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#include <private/qcore_symbian_p.h>
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#if defined(QT_NO_FREETYPE)
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#include <OPENFONT.H>
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#include <graphics/openfontrasterizer.h>
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#endif
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QT_BEGIN_NAMESPACE
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QFileInfoList alternativeFilePaths(const QString &path, const QStringList &nameFilters,
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QDir::Filters filters = QDir::NoFilter, QDir::SortFlags sort = QDir::NoSort,
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bool uniqueFileNames = true)
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{
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QFileInfoList result;
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// Prepare a 'soft to hard' drive list: W:, X: ... A:, Z:
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QStringList driveStrings;
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foreach (const QFileInfo &drive, QDir::drives())
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driveStrings.append(drive.absolutePath());
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driveStrings.sort();
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const QString zDriveString(QLatin1String("Z:/"));
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driveStrings.removeAll(zDriveString);
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driveStrings.prepend(zDriveString);
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QStringList uniqueFileNameList;
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for (int i = driveStrings.count() - 1; i >= 0; --i) {
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const QDir dirOnDrive(driveStrings.at(i) + path);
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const QFileInfoList entriesOnDrive = dirOnDrive.entryInfoList(nameFilters, filters, sort);
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if (uniqueFileNames) {
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foreach(const QFileInfo &entry, entriesOnDrive) {
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if (!uniqueFileNameList.contains(entry.fileName())) {
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uniqueFileNameList.append(entry.fileName());
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result.append(entry);
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}
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}
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} else {
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result.append(entriesOnDrive);
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}
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}
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return result;
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}
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#if defined(QT_NO_FREETYPE)
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class QFontDatabaseS60StoreImplementation : public QFontDatabaseS60Store
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{
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public:
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QFontDatabaseS60StoreImplementation();
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~QFontDatabaseS60StoreImplementation();
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const QFontEngineS60Extensions *extension(const QString &typeface) const;
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private:
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RHeap* m_heap;
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CFontStore *m_store;
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COpenFontRasterizer *m_rasterizer;
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mutable QHash<QString, const QFontEngineS60Extensions *> m_extensions;
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};
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QFontDatabaseS60StoreImplementation::QFontDatabaseS60StoreImplementation()
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{
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m_heap = User::ChunkHeap(NULL, 0x1000, 0x100000);
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QT_TRAP_THROWING(
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m_store = CFontStore::NewL(m_heap);
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m_rasterizer = COpenFontRasterizer::NewL(TUid::Uid(0x101F7F5E));
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CleanupStack::PushL(m_rasterizer);
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m_store->InstallRasterizerL(m_rasterizer);
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CleanupStack::Pop(m_rasterizer););
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QStringList filters;
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filters.append(QString::fromLatin1("*.ttf"));
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filters.append(QString::fromLatin1("*.ccc"));
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const QFileInfoList fontFiles = alternativeFilePaths(QString::fromLatin1("resource\\Fonts"), filters);
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foreach (const QFileInfo &fontFileInfo, fontFiles) {
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const QString fontFile = QDir::toNativeSeparators(fontFileInfo.absoluteFilePath());
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TPtrC fontFilePtr(qt_QString2TPtrC(fontFile));
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QT_TRAP_THROWING(m_store->AddFileL(fontFilePtr));
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}
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}
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QFontDatabaseS60StoreImplementation::~QFontDatabaseS60StoreImplementation()
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{
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typedef QHash<QString, const QFontEngineS60Extensions *>::iterator iterator;
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for (iterator p = m_extensions.begin(); p != m_extensions.end(); ++p) {
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m_store->ReleaseFont((*p)->fontOwner());
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delete *p;
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}
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delete m_store;
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m_heap->Close();
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}
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const QFontEngineS60Extensions *QFontDatabaseS60StoreImplementation::extension(const QString &typeface) const
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{
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if (!m_extensions.contains(typeface)) {
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CFont* font = NULL;
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TFontSpec spec(qt_QString2TPtrC(typeface), 1);
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spec.iHeight = 1;
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const TInt err = m_store->GetNearestFontToDesignHeightInPixels(font, spec);
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Q_ASSERT(err == KErrNone && font);
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CBitmapFont *bitmapFont = static_cast<CBitmapFont*>(font);
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m_extensions.insert(typeface, new QFontEngineS60Extensions(font, bitmapFont->OpenFont()));
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}
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return m_extensions.value(typeface);
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}
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#else
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class QFontEngineFTS60 : public QFontEngineFT
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{
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public:
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QFontEngineFTS60(const QFontDef &fd);
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};
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QFontEngineFTS60::QFontEngineFTS60(const QFontDef &fd)
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: QFontEngineFT(fd)
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{
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default_hint_style = HintFull;
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}
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#endif // defined(QT_NO_FREETYPE)
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/*
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QFontEngineS60::pixelsToPoints, QFontEngineS60::pointsToPixels, QFontEngineMultiS60::QFontEngineMultiS60
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and QFontEngineMultiS60::QFontEngineMultiS60 should be in qfontengine_s60.cpp. But since also the
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Freetype based font rendering need them, they are here.
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*/
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qreal QFontEngineS60::pixelsToPoints(qreal pixels, Qt::Orientation orientation)
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{
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return (orientation == Qt::Horizontal?
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S60->screenDevice()->HorizontalPixelsToTwips(pixels)
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:S60->screenDevice()->VerticalPixelsToTwips(pixels)) / KTwipsPerPoint;
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}
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qreal QFontEngineS60::pointsToPixels(qreal points, Qt::Orientation orientation)
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{
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const int twips = points * KTwipsPerPoint;
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return orientation == Qt::Horizontal?
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S60->screenDevice()->HorizontalTwipsToPixels(twips)
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:S60->screenDevice()->VerticalTwipsToPixels(twips);
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}
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QFontEngineMultiS60::QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies)
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: QFontEngineMulti(fallbackFamilies.size() + 1)
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, m_script(script)
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, m_fallbackFamilies(fallbackFamilies)
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{
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engines[0] = first;
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first->ref.ref();
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fontDef = engines[0]->fontDef;
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}
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void QFontEngineMultiS60::loadEngine(int at)
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{
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Q_ASSERT(at < engines.size());
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Q_ASSERT(engines.at(at) == 0);
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QFontDef request = fontDef;
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request.styleStrategy |= QFont::NoFontMerging;
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request.family = m_fallbackFamilies.at(at-1);
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engines[at] = QFontDatabase::findFont(m_script,
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/*fontprivate*/0,
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request);
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Q_ASSERT(engines[at]);
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}
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static void initializeDb()
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{
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QFontDatabasePrivate *db = privateDb();
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if(!db || db->count)
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return;
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#if defined(QT_NO_FREETYPE)
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if (!db->s60Store)
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db->s60Store = new QFontDatabaseS60StoreImplementation;
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QSymbianFbsHeapLock lock(QSymbianFbsHeapLock::Unlock);
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const int numTypeFaces = QS60Data::screenDevice()->NumTypefaces();
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const QFontDatabaseS60StoreImplementation *store = dynamic_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
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Q_ASSERT(store);
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bool fontAdded = false;
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for (int i = 0; i < numTypeFaces; i++) {
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TTypefaceSupport typefaceSupport;
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QS60Data::screenDevice()->TypefaceSupport(typefaceSupport, i);
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CFont *font; // We have to get a font instance in order to know all the details
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TFontSpec fontSpec(typefaceSupport.iTypeface.iName, 11);
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if (QS60Data::screenDevice()->GetNearestFontInPixels(font, fontSpec) != KErrNone)
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continue;
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if (font->TypeUid() == KCFbsFontUid) {
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TOpenFontFaceAttrib faceAttrib;
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const CFbsFont *cfbsFont = dynamic_cast<const CFbsFont *>(font);
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Q_ASSERT(cfbsFont);
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cfbsFont->GetFaceAttrib(faceAttrib);
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QtFontStyle::Key styleKey;
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styleKey.style = faceAttrib.IsItalic()?QFont::StyleItalic:QFont::StyleNormal;
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styleKey.weight = faceAttrib.IsBold()?QFont::Bold:QFont::Normal;
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QString familyName((const QChar *)typefaceSupport.iTypeface.iName.Ptr(), typefaceSupport.iTypeface.iName.Length());
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QtFontFamily *family = db->family(familyName, true);
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family->fixedPitch = faceAttrib.IsMonoWidth();
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QtFontFoundry *foundry = family->foundry(QString(), true);
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QtFontStyle *style = foundry->style(styleKey, true);
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style->smoothScalable = typefaceSupport.iIsScalable;
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style->pixelSize(0, true);
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const QFontEngineS60Extensions *extension = store->extension(familyName);
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const QByteArray os2Table = extension->getSfntTable(MAKE_TAG('O', 'S', '/', '2'));
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const unsigned char* data = reinterpret_cast<const unsigned char*>(os2Table.constData());
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const unsigned char* ulUnicodeRange = data + 42;
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quint32 unicodeRange[4] = {
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qFromBigEndian<quint32>(ulUnicodeRange),
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qFromBigEndian<quint32>(ulUnicodeRange + 4),
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qFromBigEndian<quint32>(ulUnicodeRange + 8),
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qFromBigEndian<quint32>(ulUnicodeRange + 12)
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};
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const unsigned char* ulCodePageRange = data + 78;
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quint32 codePageRange[2] = {
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qFromBigEndian<quint32>(ulCodePageRange),
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qFromBigEndian<quint32>(ulCodePageRange + 4)
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};
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const QList<QFontDatabase::WritingSystem> writingSystems =
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determineWritingSystemsFromTrueTypeBits(unicodeRange, codePageRange);
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foreach (const QFontDatabase::WritingSystem system, writingSystems)
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family->writingSystems[system] = QtFontFamily::Supported;
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fontAdded = true;
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}
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QS60Data::screenDevice()->ReleaseFont(font);
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}
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Q_ASSERT(fontAdded);
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lock.relock();
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#else // defined(QT_NO_FREETYPE)
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QDir dir(QDesktopServices::storageLocation(QDesktopServices::FontsLocation));
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dir.setNameFilters(QStringList() << QLatin1String("*.ttf")
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<< QLatin1String("*.ttc") << QLatin1String("*.pfa")
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<< QLatin1String("*.pfb"));
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for (int i = 0; i < int(dir.count()); ++i) {
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const QByteArray file = QFile::encodeName(dir.absoluteFilePath(dir[i]));
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db->addTTFile(file);
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}
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#endif // defined(QT_NO_FREETYPE)
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}
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static inline void load(const QString &family = QString(), int script = -1)
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{
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Q_UNUSED(family)
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Q_UNUSED(script)
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initializeDb();
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}
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static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
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{
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Q_UNUSED(fnt);
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}
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bool QFontDatabase::removeApplicationFont(int handle)
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{
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Q_UNUSED(handle);
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return false;
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}
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bool QFontDatabase::supportsThreadedFontRendering()
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{
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return false;
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}
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static
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QFontDef cleanedFontDef(const QFontDef &req)
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{
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QFontDef result = req;
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if (result.pixelSize <= 0) {
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result.pixelSize = QFontEngineS60::pointsToPixels(qMax(qreal(1.0), result.pointSize));
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result.pointSize = 0;
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}
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return result;
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}
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QFontEngine *QFontDatabase::findFont(int script, const QFontPrivate *, const QFontDef &req)
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{
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const QFontCache::Key key(cleanedFontDef(req), script);
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if (!privateDb()->count)
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initializeDb();
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QFontEngine *fe = QFontCache::instance()->findEngine(key);
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if (!fe) {
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// Making sure that fe->fontDef.family will be an existing font.
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initializeDb();
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QFontDatabasePrivate *db = privateDb();
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QtFontDesc desc;
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QList<int> blacklistedFamilies;
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match(script, req, req.family, QString(), -1, &desc, blacklistedFamilies);
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if (!desc.family) // falling back to application font
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desc.family = db->family(QApplication::font().defaultFamily());
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Q_ASSERT(desc.family);
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// Making sure that desc.family supports the requested script
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QtFontDesc mappedDesc;
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bool supportsScript = false;
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do {
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match(script, req, QString(), QString(), -1, &mappedDesc, blacklistedFamilies);
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if (mappedDesc.family == desc.family) {
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supportsScript = true;
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break;
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}
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blacklistedFamilies.append(mappedDesc.familyIndex);
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} while (mappedDesc.family);
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if (!supportsScript) {
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blacklistedFamilies.clear();
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match(script, req, QString(), QString(), -1, &mappedDesc, blacklistedFamilies);
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if (mappedDesc.family)
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desc = mappedDesc;
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}
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const QString fontFamily = desc.family->name;
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QFontDef request = req;
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request.family = fontFamily;
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#if defined(QT_NO_FREETYPE)
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const QFontDatabaseS60StoreImplementation *store = dynamic_cast<const QFontDatabaseS60StoreImplementation*>(db->s60Store);
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Q_ASSERT(store);
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const QFontEngineS60Extensions *extension = store->extension(fontFamily);
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fe = new QFontEngineS60(request, extension);
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#else
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QFontEngine::FaceId faceId;
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const QtFontFamily * const reqQtFontFamily = db->family(fontFamily);
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faceId.filename = reqQtFontFamily->fontFilename;
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faceId.index = reqQtFontFamily->fontFileIndex;
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QFontEngineFTS60 *fte = new QFontEngineFTS60(cleanedFontDef(request));
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if (fte->init(faceId, true, QFontEngineFT::Format_A8))
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fe = fte;
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else
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delete fte;
|
|
385 |
#endif
|
|
386 |
|
|
387 |
Q_ASSERT(fe);
|
|
388 |
if (script == QUnicodeTables::Common
|
|
389 |
&& !(req.styleStrategy & QFont::NoFontMerging)
|
|
390 |
&& !fe->symbol) {
|
|
391 |
|
|
392 |
QStringList commonFonts;
|
|
393 |
for (int ws = 1; ws < QFontDatabase::WritingSystemsCount; ++ws) {
|
|
394 |
if (scriptForWritingSystem[ws] != script)
|
|
395 |
continue;
|
|
396 |
for (int i = 0; i < db->count; ++i) {
|
|
397 |
if (db->families[i]->writingSystems[ws] & QtFontFamily::Supported)
|
|
398 |
commonFonts.append(db->families[i]->name);
|
|
399 |
}
|
|
400 |
}
|
|
401 |
|
|
402 |
// Hack: Prioritize .ccc fonts
|
|
403 |
const QString niceEastAsianFont(QLatin1String("Sans MT 936_S60"));
|
|
404 |
if (commonFonts.removeAll(niceEastAsianFont) > 0)
|
|
405 |
commonFonts.prepend(niceEastAsianFont);
|
|
406 |
|
|
407 |
fe = new QFontEngineMultiS60(fe, script, commonFonts);
|
|
408 |
}
|
|
409 |
}
|
|
410 |
fe->ref.ref();
|
|
411 |
QFontCache::instance()->insertEngine(key, fe);
|
|
412 |
return fe;
|
|
413 |
}
|
|
414 |
|
|
415 |
void QFontDatabase::load(const QFontPrivate *d, int script)
|
|
416 |
{
|
|
417 |
QFontEngine *fe = 0;
|
|
418 |
QFontDef req = d->request;
|
|
419 |
|
|
420 |
if (!d->engineData) {
|
|
421 |
const QFontCache::Key key(cleanedFontDef(req), script);
|
|
422 |
getEngineData(d, key);
|
|
423 |
}
|
|
424 |
|
|
425 |
// the cached engineData could have already loaded the engine we want
|
|
426 |
if (d->engineData->engines[script])
|
|
427 |
fe = d->engineData->engines[script];
|
|
428 |
|
|
429 |
if (!fe) {
|
|
430 |
if (qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) {
|
|
431 |
fe = new QTestFontEngine(req.pixelSize);
|
|
432 |
fe->fontDef = req;
|
|
433 |
} else {
|
|
434 |
fe = findFont(script, d, req);
|
|
435 |
}
|
|
436 |
d->engineData->engines[script] = fe;
|
|
437 |
}
|
|
438 |
}
|
|
439 |
|
|
440 |
QT_END_NAMESPACE
|