/****************************************************************************

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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).

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** file. Please review the following information to ensure the GNU Lesser

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** rights. These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU General

** Public License version 3.0 as published by the Free Software Foundation

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** file. Please review the following information to ensure the GNU General

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****************************************************************************/

#ifndef QPLATFORMFONTDATABASE_QPA_H

#define QPLATFORMFONTDATABASE_QPA_H

#include <QtCore/qconfig.h>

#include <QtCore/QString>

#include <QtCore/QStringList>

#include <QtCore/QList>

#include <QtGui/QFontDatabase>

#include <QtGui/private/qfont_p.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QWritingSystemsPrivate;

class Q_GUI_EXPORT QSupportedWritingSystems

{

public:

    QSupportedWritingSystems();

    QSupportedWritingSystems(const QSupportedWritingSystems &other);

    QSupportedWritingSystems &operator=(const QSupportedWritingSystems &other);

    ~QSupportedWritingSystems();

    void setSupported(QFontDatabase::WritingSystem, bool supported = true);

    bool supported(QFontDatabase::WritingSystem) const;

private:

    void detach();

    QWritingSystemsPrivate *d;

    friend Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);

    friend Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);

};

Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);

Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);

class QFontRequestPrivate;

class Q_GUI_EXPORT QPlatformFontDatabase

{

public:

    virtual void populateFontDatabase();

    virtual QFontEngine *fontEngine(const QFontDef &fontDef, QUnicodeTables::Script script, void *handle);

    virtual QStringList fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const;

    virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName);

    virtual void releaseHandle(void *handle);

    virtual QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference);

    virtual QString fontDir() const;

    //callback

    static void registerQPF2Font(const QByteArray &dataArray, void *handle);

    static void registerFont(const QString &familyname, const QString &foundryname, QFont::Weight weight,

                             QFont::Style style, QFont::Stretch stretch, bool antialiased, bool scalable, int pixelSize,

                             const QSupportedWritingSystems &writingSystems, void *handle);

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QPLATFORMFONTDATABASE_QPA_H