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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 QtOpenGL 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 <QTime>
#include <QDebug>
#include <private/qt_x11_p.h>
#include <private/qimagepixmapcleanuphooks_p.h>
#include "qwindowsurface_x11gl_p.h"
#include "qpixmapdata_x11gl_p.h"
QT_BEGIN_NAMESPACE
QX11GLWindowSurface::QX11GLWindowSurface(QWidget* window)
: QWindowSurface(window), m_GC(0), m_window(window)
{
}
QX11GLWindowSurface::~QX11GLWindowSurface()
{
if (m_GC)
XFree(m_GC);
}
QPaintDevice *QX11GLWindowSurface::paintDevice()
{
return &m_backBuffer;
}
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)
{
// qDebug("QX11GLWindowSurface::flush()");
QTime startTime = QTime::currentTime();
if (m_backBuffer.isNull()) {
qDebug("QHarmattanWindowSurface::flush() - backBuffer is null, not flushing anything");
return;
}
QPoint widgetOffset = qt_qwidget_data(widget)->wrect.topLeft();
QRegion windowRegion(widgetRegion);
QRect boundingRect = widgetRegion.boundingRect();
if (!widgetOffset.isNull())
windowRegion.translate(-widgetOffset);
QRect windowBoundingRect = windowRegion.boundingRect();
int rectCount;
XRectangle *rects = (XRectangle *)qt_getClipRects(windowRegion, rectCount);
if (rectCount <= 0)
return;
// qDebug() << "XSetClipRectangles";
// for (int i = 0; i < num; ++i)
// qDebug() << ' ' << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
if (m_GC == 0) {
m_GC = XCreateGC(X11->display, m_window->handle(), 0, 0);
XSetGraphicsExposures(X11->display, m_GC, False);
}
XSetClipRectangles(X11->display, m_GC, 0, 0, rects, rectCount, YXBanded);
XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_GC,
boundingRect.x() + offset.x(), boundingRect.y() + offset.y(),
boundingRect.width(), boundingRect.height(),
windowBoundingRect.x(), windowBoundingRect.y());
}
void QX11GLWindowSurface::setGeometry(const QRect &rect)
{
if (rect.width() > m_backBuffer.size().width() || rect.height() > m_backBuffer.size().height()) {
QSize newSize = rect.size();
// QSize newSize(1024,512);
qDebug() << "QX11GLWindowSurface::setGeometry() - creating a pixmap of size" << newSize;
QX11GLPixmapData *pd = new QX11GLPixmapData;
pd->resize(newSize.width(), newSize.height());
m_backBuffer = QPixmap(pd);
}
// if (gc)
// XFreeGC(X11->display, gc);
// gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
// XSetGraphicsExposures(X11->display, gc, False);
QWindowSurface::setGeometry(rect);
}
bool QX11GLWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
Q_UNUSED(area);
Q_UNUSED(dx);
Q_UNUSED(dy);
return false;
}
/*
void QX11GLWindowSurface::beginPaint(const QRegion ®ion)
{
}
void QX11GLWindowSurface::endPaint(const QRegion ®ion)
{
}
QImage *QX11GLWindowSurface::buffer(const QWidget *widget)
{
}
*/
QT_END_NAMESPACE
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