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/****************************************************************************
**
** Copyright (C) 2015 LG Electronics Ltd, author: <mikko.levonmaa@lge.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "shmwindow.h"

#include <QPainter>
#include <QDebug>

ShmWindow::ShmWindow(QWindow *parent)
   : QRasterWindow(parent)
   , m_rotation(0)
{
    m_timer = startTimer(100);
}

void ShmWindow::timerEvent(QTimerEvent *event)
{
    if (event->timerId() == m_timer) {
        m_rotation++;
        update();
    }
}

void ShmWindow::paintEvent(QPaintEvent *event)
{
    Q_UNUSED(event);
    QPainter painter(this);

    painter.fillRect(0, 0, width(), height(), Qt::white);

    qreal xc = width() * 0.5;
    qreal yc = height() * 0.5;
    painter.translate(xc, yc);
    painter.rotate(m_rotation);
    painter.drawText(QRectF(-xc, -yc, width(), height()), Qt::AlignCenter, QStringLiteral("SHM"));
}