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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui 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 <qglobal.h> // for Q_WS_WIN define (non-PCH)
#include <QtGui/qpaintdevice.h>
#include <private/qwidget_p.h>
#include <private/qwindowsurface_s60_p.h>
#include <private/qpixmap_s60_p.h>
#include <private/qt_s60_p.h>
#include <private/qapplication_p.h>
#include <private/qdrawhelper_p.h>
#ifdef QT_GRAPHICSSYSTEM_RUNTIME
#include <private/qgraphicssystem_runtime_p.h>
#endif
QT_BEGIN_NAMESPACE
struct QS60WindowSurfacePrivate
{
QPixmap device;
QList<QImage*> bufferImages;
};
TDisplayMode displayMode(bool opaque)
{
TDisplayMode mode = S60->screenDevice()->DisplayMode();
if (opaque) {
mode = EColor16MU;
} else {
if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_3)
mode = Q_SYMBIAN_ECOLOR16MAP; // Symbian^3 WServ has support for ARGB32_PRE
else
mode = EColor16MA; // Symbian prior to Symbian^3 sw accelerates EColor16MA
}
return mode;
}
bool blitWriteAlpha(QWidgetPrivate *widgetPrivate)
{
QWExtra *extra = widgetPrivate->extraData();
return extra ? extra->nativePaintMode == QWExtra::BlitWriteAlpha : false;
}
QS60WindowSurface::QS60WindowSurface(QWidget* widget)
: QWindowSurface(widget), d_ptr(new QS60WindowSurfacePrivate)
{
QWidgetPrivate *widgetPrivate = qt_widget_private(widget);
const bool opaque = widgetPrivate->isOpaque && !blitWriteAlpha(widgetPrivate);
TDisplayMode mode = displayMode(opaque);
// We create empty CFbsBitmap here -> it will be resized in setGeometry
CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap); // CBase derived object needs check on new
qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );
QS60PixmapData *data = new QS60PixmapData(QPixmapData::PixmapType);
if (data) {
data->fromSymbianBitmap(bitmap, true);
d_ptr->device = QPixmap(data);
}
setStaticContentsSupport(true);
}
QS60WindowSurface::~QS60WindowSurface()
{
#if defined(QT_GRAPHICSSYSTEM_RUNTIME) && defined(Q_SYMBIAN_SUPPORTS_SURFACES)
if(QApplicationPrivate::runtime_graphics_system) {
QRuntimeGraphicsSystem *runtimeGraphicsSystem =
static_cast<QRuntimeGraphicsSystem*>(QApplicationPrivate::graphics_system);
if(runtimeGraphicsSystem->graphicsSystemName() == QLatin1String("openvg")) {
// Graphics system has been switched from raster to openvg.
// Issue empty redraw to clear the UI surface
QWidget *w = window();
if (w->testAttribute(Qt::WA_WState_Created)) {
RWindow *const window = static_cast<RWindow *>(w->winId()->DrawableWindow());
window->BeginRedraw();
window->EndRedraw();
}
}
}
#endif
delete d_ptr;
}
void QS60WindowSurface::beginPaint(const QRegion &rgn)
{
#ifdef Q_SYMBIAN_SUPPORTS_SURFACES
S60->wsSession().Finish();
#endif
QWidgetPrivate *windowPrivate = qt_widget_private(window());
if (!windowPrivate->isOpaque || blitWriteAlpha(windowPrivate)) {
QS60PixmapData *pixmapData = static_cast<QS60PixmapData *>(d_ptr->device.data_ptr().data());
TDisplayMode mode = displayMode(false);
if (pixmapData->cfbsBitmap->DisplayMode() != mode)
pixmapData->convertToDisplayMode(mode);
pixmapData->beginDataAccess();
if (!windowPrivate->isOpaque) {
QPainter p(&pixmapData->image);
p.setCompositionMode(QPainter::CompositionMode_Source);
const QVector<QRect> rects = rgn.rects();
const QColor blank = Qt::transparent;
for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
p.fillRect(*it, blank);
}
}
pixmapData->endDataAccess();
}
}
void QS60WindowSurface::endPaint(const QRegion &)
{
qDeleteAll(d_ptr->bufferImages);
d_ptr->bufferImages.clear();
}
QImage* QS60WindowSurface::buffer(const QWidget *widget)
{
if (widget->window() != window())
return 0;
QPaintDevice *pdev = paintDevice();
if (!pdev)
return 0;
const QPoint off = offset(widget);
QImage *img = &(static_cast<QS60PixmapData *>(d_ptr->device.data_ptr().data())->image);
QRect rect(off, widget->size());
rect &= QRect(QPoint(), img->size());
if (rect.isEmpty())
return 0;
img = new QImage(img->scanLine(rect.y()) + rect.x() * img->depth() / 8,
rect.width(), rect.height(),
img->bytesPerLine(), img->format());
d_ptr->bufferImages.append(img);
return img;
}
void QS60WindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &)
{
QWidget *window = widget->window();
Q_ASSERT(window);
QTLWExtra *topExtra = window->d_func()->maybeTopData();
Q_ASSERT(topExtra);
QRect qr = region.boundingRect();
if (!topExtra->inExpose) {
topExtra->inExpose = true; // Prevent DrawNow() from calling syncBackingStore() again
TRect tr = qt_QRect2TRect(qr);
widget->winId()->DrawNow(tr);
topExtra->inExpose = false;
} else {
// This handles the case when syncBackingStore updates content outside of the
// original drawing rectangle. This might happen if there are pending update()
// events at the same time as we get a Draw() from Symbian.
QRect drawRect = qt_TRect2QRect(widget->winId()->DrawableWindow()->GetDrawRect());
if (!drawRect.contains(qr))
widget->winId()->DrawDeferred();
}
}
bool QS60WindowSurface::scroll(const QRegion &area, int dx, int dy)
{
QRect rect = area.boundingRect();
if (dx == 0 && dy == 0)
return false;
if (d_ptr->device.isNull())
return false;
QS60PixmapData *data = static_cast<QS60PixmapData*>(d_ptr->device.data_ptr().data());
data->scroll(dx, dy, rect);
return true;
}
QPaintDevice* QS60WindowSurface::paintDevice()
{
return &d_ptr->device;
}
void QS60WindowSurface::setGeometry(const QRect& rect)
{
if (rect == geometry())
return;
QS60PixmapData *data = static_cast<QS60PixmapData*>(d_ptr->device.data_ptr().data());
data->resize(rect.width(), rect.height());
QWindowSurface::setGeometry(rect);
}
CFbsBitmap* QS60WindowSurface::symbianBitmap() const
{
QS60PixmapData *data = static_cast<QS60PixmapData*>(d_ptr->device.data_ptr().data());
return data->cfbsBitmap;
}
QT_END_NAMESPACE
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