/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtOpenVG module of the Qt Toolkit.

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** 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

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** $QT_END_LICENSE$

**

****************************************************************************/

#include "qwindowsurface_vg_p.h"

#include "qwindowsurface_vgegl_p.h"

#include "qpaintengine_vg_p.h"

#include "qpixmapdata_vg_p.h"

#include "qvg_p.h"

#if !defined(QT_NO_EGL)

#include <QtGui/private/qegl_p.h>

#include <QtGui/private/qwidget_p.h>

QT_BEGIN_NAMESPACE

QVGWindowSurface::QVGWindowSurface(QWidget *window)

    : QWindowSurface(window)

{

    // Create the default type of EGL window surface for windows.

    d_ptr = new QVGEGLWindowSurfaceDirect(this);

}

QVGWindowSurface::QVGWindowSurface

        (QWidget *window, QVGEGLWindowSurfacePrivate *d)

    : QWindowSurface(window), d_ptr(d)

{

}

QVGWindowSurface::~QVGWindowSurface()

{

    delete d_ptr;

}

QPaintDevice *QVGWindowSurface::paintDevice()

{

    return this;

}

void QVGWindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &offset)

{

    Q_UNUSED(offset);

    QWidget *parent = widget->internalWinId() ? widget : widget->nativeParentWidget();

    d_ptr->endPaint(parent, region);

}

void QVGWindowSurface::setGeometry(const QRect &rect)

{

    QWindowSurface::setGeometry(rect);

}

bool QVGWindowSurface::scroll(const QRegion &area, int dx, int dy)

{

    return QWindowSurface::scroll(area, dx, dy);

}

void QVGWindowSurface::beginPaint(const QRegion &region)

{

    d_ptr->beginPaint(window());

    // If the window is not opaque, then fill the region we are about

    // to paint with the transparent color.

    if (!qt_widget_private(window())->isOpaque &&

            window()->testAttribute(Qt::WA_TranslucentBackground)) {

        QVGPaintEngine *engine = static_cast<QVGPaintEngine *>

            (d_ptr->paintEngine());

        engine->fillRegion(region, Qt::transparent, d_ptr->surfaceSize());

    }

}

void QVGWindowSurface::endPaint(const QRegion &region)

{

    // Nothing to do here.

    Q_UNUSED(region);

}

QPaintEngine *QVGWindowSurface::paintEngine() const

{

    return d_ptr->paintEngine();

}

int QVGWindowSurface::metric(PaintDeviceMetric met) const

{

    return qt_paint_device_metric(window(), met);

}

QT_END_NAMESPACE

#endif