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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module 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 QPAINTDEVICEWINDOW_H
#define QPAINTDEVICEWINDOW_H
#include <QtGui/QWindow>
#include <QtGui/QPaintDevice>
QT_BEGIN_NAMESPACE
class QPaintDeviceWindowPrivate;
class QPaintEvent;
class Q_GUI_EXPORT QPaintDeviceWindow : public QWindow, public QPaintDevice
{
Q_OBJECT
Q_DECLARE_PRIVATE(QPaintDeviceWindow)
public:
void update(const QRect &rect);
void update(const QRegion ®ion);
using QWindow::width;
using QWindow::height;
using QWindow::devicePixelRatio;
public Q_SLOTS:
void update();
protected:
virtual void paintEvent(QPaintEvent *event);
int metric(PaintDeviceMetric metric) const Q_DECL_OVERRIDE;
void exposeEvent(QExposeEvent *) Q_DECL_OVERRIDE;
bool event(QEvent *event) Q_DECL_OVERRIDE;
QPaintDeviceWindow(QPaintDeviceWindowPrivate &dd, QWindow *parent);
private:
QPaintEngine *paintEngine() const Q_DECL_OVERRIDE;
Q_DISABLE_COPY(QPaintDeviceWindow)
};
QT_END_NAMESPACE
#endif
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