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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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);
QT_DECL_METATYPE_EXTERN_TAGGED(QCFType<CGFontRef>, QCFType_CGFontRef, Q_GUI_EXPORT)
QT_DECL_METATYPE_EXTERN_TAGGED(QCFType<CFURLRef>, QCFType_CFURLRef, Q_GUI_EXPORT)
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT 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, QFontDatabasePrivate::ApplicationFont *applicationFont = nullptr) 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;
bool supportsVariableApplicationFonts() const override;
// For iOS and macOS platform themes
QFont *themeFont(QPlatformTheme::Font) const;
private:
void populateThemeFonts();
void populateFromDescriptor(CTFontDescriptorRef font, const QString &familyName = QString(), QFontDatabasePrivate::ApplicationFont *applicationFont = nullptr);
static CFArrayRef fallbacksForFamily(const QString &family);
QHash<QPlatformTheme::Font, QFont *> m_themeFonts;
QHash<QString, QList<QCFType<CTFontDescriptorRef>>> m_systemFontDescriptors;
QHash<QChar::Script, QString> m_hardcodedFallbackFonts;
mutable QSet<QString> m_privateFamilies;
bool m_hasPopulatedAliases;
#if defined(Q_OS_MACOS)
QMacNotificationObserver m_fontSetObserver;
#endif
};
// 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 Q_GUI_EXPORT 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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