source: trunk/src/plugins/imageformats/mng/qmnghandler.h@ 603

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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 and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMNGHANDLER_H
#define QMNGHANDLER_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_H