kis_offset_keeper.h

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/*
 *  SPDX-FileCopyrightText: 2015 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_OFFSET_KEEPER_H
#define __KIS_OFFSET_KEEPER_H
 
#include "kritapsdutils_export.h"
 
#include <QIODevice>
#include <kis_debug.h>
 
class KisOffsetKeeper
{
public:
    KisOffsetKeeper(QIODevice &device)
        : m_device(device)
    {
        m_expectedPos = m_device.pos();
    }
 
    ~KisOffsetKeeper()
    {
        if (m_device.pos() != m_expectedPos) {
            m_device.seek(m_expectedPos);
        }
    }
 
private:
    QIODevice &m_device;
    qint64 m_expectedPos;
};
 
#endif /* __KIS_OFFSET_KEEPER_H */