qwasmfontdatabase.h

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// Copyright (C) 2018 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QWASMFONTDATABASE_H

#define QWASMFONTDATABASE_H

#include <QtGui/private/qfreetypefontdatabase_p.h>

#include <emscripten/val.h>

QT_BEGIN_NAMESPACE

class QWasmFontDatabase : public QFreeTypeFontDatabase

public:

    QWasmFontDatabase();

    static QWasmFontDatabase *get();

    void populateFontDatabase() override;

    QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) override;

    QStringList fallbacksForFamily(const QString &family, QFont::Style style,

                                   QFont::StyleHint styleHint,

                                   QFontDatabasePrivate::ExtendedScript script) const override;

    void releaseHandle(void *handle) override;

    QFont defaultFont() const override;

    void populateLocalfonts();

    void populateLocalFontFamilies(emscripten::val families);

    void populateLocalFontFamilies(const QStringList &famliies, bool allFamilies);

    static void refFontFileLoading();

    static void derefFontFileLoading();

    static void endAllFontFileLoading();

private:

    bool m_localFontsApiSupported = false;

    bool m_queryLocalFontsPermission = false;

    enum FontFamilyLoadSet {

        NoFontFamilies,

        DefaultFontFamilies,

        AllFontFamilies,

};

    FontFamilyLoadSet m_localFontFamilyLoadSet;

    QStringList m_extraLocalFontFamilies;

};

QT_END_NAMESPACE

#endif