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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 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 Q_DECL_OVERRIDE;
    bool read(QImage *image) Q_DECL_OVERRIDE;
    bool write(const QImage &image) Q_DECL_OVERRIDE;

    QByteArray name() const Q_DECL_OVERRIDE;

    int imageCount() const Q_DECL_OVERRIDE;
    bool jumpToImage(int imageNumber) Q_DECL_OVERRIDE;
    bool jumpToNextImage() Q_DECL_OVERRIDE;

    static bool canRead(QIODevice *device);

    bool supportsOption(ImageOption option) const Q_DECL_OVERRIDE;
    QVariant option(ImageOption option) const Q_DECL_OVERRIDE;

private:
    int m_currentIconIndex;
    ICOReader *m_pICOReader;

};

QT_END_NAMESPACE

#endif /* QTICOHANDLER_H */