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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCORETEXTFONTDATABASE_H
#define QCORETEXTFONTDATABASE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <qglobal.h>
#include <qpa/qplatformfontdatabase.h>
#include <qpa/qplatformtheme.h>
#include <private/qcore_mac_p.h>
Q_FORWARD_DECLARE_CF_TYPE(CTFontDescriptor);
Q_FORWARD_DECLARE_CF_TYPE(CTFont);
Q_DECLARE_METATYPE(QCFType<CGFontRef>);
Q_DECLARE_METATYPE(QCFType<CFURLRef>);
QT_BEGIN_NAMESPACE
class QCoreTextFontDatabase : public QPlatformFontDatabase
{
public:
QCoreTextFontDatabase();
~QCoreTextFontDatabase();
void populateFontDatabase() override;
bool populateFamilyAliases(const QString &missingFamily) override;
void populateFamily(const QString &familyName) override;
void invalidate() override;
QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const override;
QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName) override;
void releaseHandle(void *handle) override;
bool isPrivateFontFamily(const QString &family) const override;
QFont defaultFont() const override;
bool fontsAlwaysScalable() const override;
QList<int> standardSizes() const override;
// For iOS and OS X platform themes
QFont *themeFont(QPlatformTheme::Font) const;
const QHash<QPlatformTheme::Font, QFont *> &themeFonts() const;
protected:
mutable QSet<CTFontDescriptorRef> m_systemFontDescriptors;
private:
void populateFromDescriptor(CTFontDescriptorRef font, const QString &familyName = QString());
static QStringList fallbacksForFamily(const QString &family);
mutable QString defaultFontName;
mutable QHash<QPlatformTheme::Font, QFont *> m_themeFonts;
bool m_hasPopulatedAliases;
};
// Split out into separate template class so that the compiler doesn't have
// to generate code for each override in QCoreTextFontDatabase for each T.
template <class T>
class QCoreTextFontDatabaseEngineFactory : public QCoreTextFontDatabase
{
public:
QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) override;
QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) override;
};
QT_END_NAMESPACE
#endif // QCORETEXTFONTDATABASE_H
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