1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QFONTCONFIGDATABASE_H
5#define QFONTCONFIGDATABASE_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <qpa/qplatformfontdatabase.h>
19#include <QtGui/private/qfreetypefontdatabase_p.h>
20
21QT_BEGIN_NAMESPACE
22
23class QFontEngineFT;
24
25class Q_GUI_EXPORT QFontconfigDatabase : public QFreeTypeFontDatabase
26{
27public:
28 ~QFontconfigDatabase() override;
29 void populateFontDatabase() override;
30 void invalidate() override;
31 QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script) override;
32 QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) override;
33 QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) override;
34 QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const override;
35 QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName, QFontDatabasePrivate::ApplicationFont *applicationFont = nullptr) override;
36 QString resolveFontFamilyAlias(const QString &family) const override;
37 QFont defaultFont() const override;
38
39private:
40 void setupFontEngine(QFontEngineFT *engine, const QFontDef &fontDef) const;
41};
42
43QT_END_NAMESPACE
44
45#endif // QFONTCONFIGDATABASE_H
46

source code of qtbase/src/gui/text/unix/qfontconfigdatabase_p.h