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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#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 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;
// For iOS and macOS platform themes
QFont *themeFont(QPlatformTheme::Font) const;
protected:
mutable QSet<CTFontDescriptorRef> m_systemFontDescriptors;
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;
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 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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