Windows-4.7.4/src/plugins/imageformats/ico/qicohandler.h

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTICOHANDLER_H
#define QTICOHANDLER_H

#include <QtGui/QImageIOHandler>

QT_BEGIN_NAMESPACE

class ICOReader;
class QtIcoHandler: public QImageIOHandler
{
public:
    QtIcoHandler(QIODevice *device);
    virtual ~QtIcoHandler();

    bool canRead() const;
    bool read(QImage *image);
    bool write(const QImage &image);

    QByteArray name() const;
    
    int imageCount() const;
    bool jumpToImage(int imageNumber);
    bool jumpToNextImage();
    
    static bool canRead(QIODevice *device);
    
    bool supportsOption(ImageOption option) const;
    QVariant option(ImageOption option) const;

private:
    int m_currentIconIndex;
    ICOReader *m_pICOReader;

};

QT_END_NAMESPACE

#endif /* QTICOHANDLER_H */