/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the MNG plugins in the Qt ImageFormats module.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMNGHANDLER_P_H
#define QMNGHANDLER_P_H

#include <QtCore/qscopedpointer.h>
#include <QtGui/qimageiohandler.h>

QT_BEGIN_NAMESPACE

class QImage;
class QByteArray;
class QIODevice;
class QVariant;
class QMngHandlerPrivate;

class QMngHandler : public QImageIOHandler
{
    public:
    QMngHandler();
    ~QMngHandler();
    virtual bool canRead() const;
    virtual QByteArray name() const;
    virtual bool read(QImage *image);
    virtual bool write(const QImage &image);
    virtual int currentImageNumber() const;
    virtual int imageCount() const;
    virtual bool jumpToImage(int imageNumber);
    virtual bool jumpToNextImage();
    virtual int loopCount() const;
    virtual int nextImageDelay() const;
    static bool canRead(QIODevice *device);
    virtual QVariant option(ImageOption option) const;
    virtual void setOption(ImageOption option, const QVariant & value);
    virtual bool supportsOption(ImageOption option) const;

    private:
    Q_DECLARE_PRIVATE(QMngHandler)
    QScopedPointer<QMngHandlerPrivate> d_ptr;
};

QT_END_NAMESPACE

#endif // QMNGHANDLER_P_H
