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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenVG module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwindowsurface_vnc.h"
#include "qgraphicssystem_vnc.h"
#include <QtCore/qdebug.h>
#include <QtGui/qpainter.h>
#include <private/qapplication_p.h>
QT_BEGIN_NAMESPACE
QVNCWindowSurface::QVNCWindowSurface(QVNCGraphicsSystem *graphicsSystem,
QVNCGraphicsSystemScreen *screen, QWidget *window)
: QWindowSurface(window),
mScreen(screen)
{
mImage = QImage(window->size(), mScreen->format());
}
QVNCWindowSurface::~QVNCWindowSurface()
{
mScreen->removeWindowSurface(this);
}
QPaintDevice *QVNCWindowSurface::paintDevice()
{
return &mImage;
}
void QVNCWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset)
{
Q_UNUSED(widget);
Q_UNUSED(offset);
QRect currentGeometry = geometry();
// If this is a move, redraw the previous location
if (oldGeometry != currentGeometry) {
mScreen->setDirty(oldGeometry);
oldGeometry = currentGeometry;
}
QRect dirtyClient = region.boundingRect();
QRect dirtyRegion(currentGeometry.left() + dirtyClient.left(),
currentGeometry.top() + dirtyClient.top(),
dirtyClient.width(),
dirtyClient.height());
mScreen->setDirty(dirtyRegion);
}
void QVNCWindowSurface::setGeometry(const QRect &rect)
{
// store previous geometry for screen update
oldGeometry = geometry();
// change the widget's QImage if this is a resize
if (mImage.size() != rect.size())
mImage = QImage(rect.size(), mScreen->format());
QApplicationPrivate::handleGeometryChange(this->window(), rect);
QWindowSurface::setGeometry(rect);
}
bool QVNCWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
return QWindowSurface::scroll(area, dx, dy);
}
void QVNCWindowSurface::beginPaint(const QRegion ®ion)
{
Q_UNUSED(region);
}
void QVNCWindowSurface::endPaint(const QRegion ®ion)
{
Q_UNUSED(region);
}
QT_END_NAMESPACE
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