/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** file. Please review the following information to ensure the GNU Lesser
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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** file. Please review the following information to ensure the GNU General
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** $QT_END_LICENSE$
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****************************************************************************/


#include "qminimalbackingstore.h"
#include "qscreen.h"
#include <QtCore/qdebug.h>
#include <private/qguiapplication_p.h>

QT_BEGIN_NAMESPACE

QMinimalBackingStore::QMinimalBackingStore(QWindow *window)
    : QPlatformBackingStore(window)
{
    //qDebug() << "QMinimalBackingStore::QMinimalBackingStore:" << (long)this;
}

QMinimalBackingStore::~QMinimalBackingStore()
{
}

QPaintDevice *QMinimalBackingStore::paintDevice()
{
    //qDebug() << "QMinimalBackingStore::paintDevice";
    return &mImage;
}

void QMinimalBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
{
    Q_UNUSED(window);
    Q_UNUSED(region);
    Q_UNUSED(offset);

    static int c = 0;
    QString filename = QString("output%1.png").arg(c++, 4, 10, QLatin1Char('0'));
    qDebug() << "QMinimalBackingStore::flush() saving contents to" << filename.toLocal8Bit().constData();
    mImage.save(filename);
}

void QMinimalBackingStore::resize(const QSize &size, const QRegion &)
{
    //qDebug() << "QMinimalBackingStore::setGeometry:" << (long)this << rect;
    QImage::Format format = QGuiApplication::primaryScreen()->handle()->format();
    if (mImage.size() != size)
        mImage = QImage(size, format);
}

QT_END_NAMESPACE