/**************************************************************************** | |
** | |
** 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#include <private/qgraphicssystem_runtime_p.h> | |
#include <private/qgraphicssystem_raster_p.h> | |
#include <private/qgraphicssystemfactory_p.h> | |
#include <private/qapplication_p.h> | |
#include <private/qwidget_p.h> | |
#include <QtCore/QDebug> | |
#include <QtCore/QTimer> | |
#include <QtGui/QBitmap> | |
QT_BEGIN_NAMESPACE | |
static int qt_pixmap_serial = 0; | |
#define READBACK(f) \ | |
f \ | |
readBackInfo(); | |
class QDeferredGraphicsSystemChange : public QObject | |
{ | |
Q_OBJECT | |
public: | |
QDeferredGraphicsSystemChange(QRuntimeGraphicsSystem *gs, const QString& graphicsSystemName) | |
: m_graphicsSystem(gs), m_graphicsSystemName(graphicsSystemName) | |
{ | |
} | |
void launch() | |
{ | |
QTimer::singleShot(0, this, SLOT(doChange())); | |
} | |
private slots: | |
void doChange() | |
{ | |
m_graphicsSystem->setGraphicsSystem(m_graphicsSystemName); | |
deleteLater(); | |
} | |
private: | |
QRuntimeGraphicsSystem *m_graphicsSystem; | |
QString m_graphicsSystemName; | |
}; | |
QRuntimePixmapData::QRuntimePixmapData(const QRuntimeGraphicsSystem *gs, PixelType type) | |
: QPixmapData(type, RuntimeClass), m_graphicsSystem(gs) | |
{ | |
setSerialNumber(++qt_pixmap_serial); | |
} | |
QRuntimePixmapData::~QRuntimePixmapData() | |
{ | |
if (QApplicationPrivate::graphics_system) | |
m_graphicsSystem->removePixmapData(this); | |
delete m_data; | |
} | |
void QRuntimePixmapData::readBackInfo() | |
{ | |
w = m_data->width(); | |
h = m_data->height(); | |
d = m_data->depth(); | |
is_null = m_data->isNull(); | |
} | |
QPixmapData *QRuntimePixmapData::createCompatiblePixmapData() const | |
{ | |
QRuntimePixmapData *rtData = new QRuntimePixmapData(m_graphicsSystem, pixelType()); | |
rtData->m_data = m_data->createCompatiblePixmapData(); | |
return rtData; | |
} | |
void QRuntimePixmapData::resize(int width, int height) | |
{ | |
READBACK( | |
m_data->resize(width, height); | |
) | |
} | |
void QRuntimePixmapData::fromImage(const QImage &image, | |
Qt::ImageConversionFlags flags) | |
{ | |
READBACK( | |
m_data->fromImage(image, flags); | |
) | |
} | |
bool QRuntimePixmapData::fromFile(const QString &filename, const char *format, | |
Qt::ImageConversionFlags flags) | |
{ | |
bool success(false); | |
READBACK( | |
success = m_data->fromFile(filename, format, flags); | |
) | |
return success; | |
} | |
bool QRuntimePixmapData::fromData(const uchar *buffer, uint len, const char *format, | |
Qt::ImageConversionFlags flags) | |
{ | |
bool success(false); | |
READBACK( | |
success = m_data->fromData(buffer, len, format, flags); | |
) | |
return success; | |
} | |
void QRuntimePixmapData::copy(const QPixmapData *data, const QRect &rect) | |
{ | |
if (data->runtimeData()) { | |
READBACK( | |
m_data->copy(data->runtimeData(), rect); | |
) | |
} else { | |
READBACK( | |
m_data->copy(data, rect); | |
) | |
} | |
} | |
bool QRuntimePixmapData::scroll(int dx, int dy, const QRect &rect) | |
{ | |
return m_data->scroll(dx, dy, rect); | |
} | |
int QRuntimePixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const | |
{ | |
return m_data->metric(metric); | |
} | |
void QRuntimePixmapData::fill(const QColor &color) | |
{ | |
return m_data->fill(color); | |
} | |
QBitmap QRuntimePixmapData::mask() const | |
{ | |
return m_data->mask(); | |
} | |
void QRuntimePixmapData::setMask(const QBitmap &mask) | |
{ | |
READBACK( | |
m_data->setMask(mask); | |
) | |
} | |
bool QRuntimePixmapData::hasAlphaChannel() const | |
{ | |
return m_data->hasAlphaChannel(); | |
} | |
QPixmap QRuntimePixmapData::transformed(const QTransform &matrix, | |
Qt::TransformationMode mode) const | |
{ | |
return m_data->transformed(matrix, mode); | |
} | |
void QRuntimePixmapData::setAlphaChannel(const QPixmap &alphaChannel) | |
{ | |
READBACK( | |
m_data->setAlphaChannel(alphaChannel); | |
) | |
} | |
QPixmap QRuntimePixmapData::alphaChannel() const | |
{ | |
return m_data->alphaChannel(); | |
} | |
QImage QRuntimePixmapData::toImage() const | |
{ | |
return m_data->toImage(); | |
} | |
QPaintEngine* QRuntimePixmapData::paintEngine() const | |
{ | |
return m_data->paintEngine(); | |
} | |
QImage* QRuntimePixmapData::buffer() | |
{ | |
return m_data->buffer(); | |
} | |
#if defined(Q_OS_SYMBIAN) | |
void* QRuntimePixmapData::toNativeType(NativeType type) | |
{ | |
return m_data->toNativeType(type); | |
} | |
void QRuntimePixmapData::fromNativeType(void *pixmap, NativeType type) | |
{ | |
m_data->fromNativeType(pixmap, type); | |
readBackInfo(); | |
} | |
#endif | |
QPixmapData* QRuntimePixmapData::runtimeData() const | |
{ | |
return m_data; | |
} | |
QRuntimeWindowSurface::QRuntimeWindowSurface(const QRuntimeGraphicsSystem *gs, QWidget *window) | |
: QWindowSurface(window), m_graphicsSystem(gs) | |
{ | |
} | |
QRuntimeWindowSurface::~QRuntimeWindowSurface() | |
{ | |
if (QApplicationPrivate::graphics_system) | |
m_graphicsSystem->removeWindowSurface(this); | |
} | |
QPaintDevice *QRuntimeWindowSurface::paintDevice() | |
{ | |
return m_windowSurface->paintDevice(); | |
} | |
void QRuntimeWindowSurface::flush(QWidget *widget, const QRegion ®ion, | |
const QPoint &offset) | |
{ | |
m_windowSurface->flush(widget, region, offset); | |
int destroyPolicy = m_graphicsSystem->windowSurfaceDestroyPolicy(); | |
if(m_pendingWindowSurface && | |
destroyPolicy == QRuntimeGraphicsSystem::DestroyAfterFirstFlush) { | |
#ifdef QT_DEBUG | |
qDebug() << "QRuntimeWindowSurface::flush() - destroy pending window surface"; | |
#endif | |
m_pendingWindowSurface.reset(); | |
} | |
} | |
void QRuntimeWindowSurface::setGeometry(const QRect &rect) | |
{ | |
QWindowSurface::setGeometry(rect); | |
m_windowSurface->setGeometry(rect); | |
} | |
bool QRuntimeWindowSurface::scroll(const QRegion &area, int dx, int dy) | |
{ | |
return m_windowSurface->scroll(area, dx, dy); | |
} | |
void QRuntimeWindowSurface::beginPaint(const QRegion &rgn) | |
{ | |
m_windowSurface->beginPaint(rgn); | |
} | |
void QRuntimeWindowSurface::endPaint(const QRegion &rgn) | |
{ | |
m_windowSurface->endPaint(rgn); | |
} | |
QImage* QRuntimeWindowSurface::buffer(const QWidget *widget) | |
{ | |
return m_windowSurface->buffer(widget); | |
} | |
QPixmap QRuntimeWindowSurface::grabWidget(const QWidget *widget, const QRect& rectangle) const | |
{ | |
return m_windowSurface->grabWidget(widget, rectangle); | |
} | |
QPoint QRuntimeWindowSurface::offset(const QWidget *widget) const | |
{ | |
return m_windowSurface->offset(widget); | |
} | |
QRuntimeGraphicsSystem::QRuntimeGraphicsSystem() | |
: m_windowSurfaceDestroyPolicy(DestroyImmediately), | |
m_graphicsSystem(0) | |
{ | |
QApplicationPrivate::runtime_graphics_system = true; | |
#ifdef QT_DEFAULT_RUNTIME_SYSTEM | |
m_graphicsSystemName = QLatin1String(QT_DEFAULT_RUNTIME_SYSTEM); | |
if (m_graphicsSystemName.isNull()) | |
#endif | |
m_graphicsSystemName = QLatin1String("raster"); | |
#ifdef Q_OS_SYMBIAN | |
m_windowSurfaceDestroyPolicy = DestroyAfterFirstFlush; | |
#endif | |
m_graphicsSystem = QGraphicsSystemFactory::create(m_graphicsSystemName); | |
QApplicationPrivate::graphics_system_name = QLatin1String("runtime"); | |
} | |
QPixmapData *QRuntimeGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const | |
{ | |
Q_ASSERT(m_graphicsSystem); | |
QPixmapData *data = m_graphicsSystem->createPixmapData(type); | |
QRuntimePixmapData *rtData = new QRuntimePixmapData(this, type); | |
rtData->m_data = data; | |
m_pixmapDatas << rtData; | |
return rtData; | |
} | |
QWindowSurface *QRuntimeGraphicsSystem::createWindowSurface(QWidget *widget) const | |
{ | |
Q_ASSERT(m_graphicsSystem); | |
QRuntimeWindowSurface *rtSurface = new QRuntimeWindowSurface(this, widget); | |
rtSurface->m_windowSurface.reset(m_graphicsSystem->createWindowSurface(widget)); | |
widget->setWindowSurface(rtSurface); | |
m_windowSurfaces << rtSurface; | |
return rtSurface; | |
} | |
void QRuntimeGraphicsSystem::setGraphicsSystem(const QString &name) | |
{ | |
if (m_graphicsSystemName == name) | |
return; | |
#ifdef QT_DEBUG | |
qDebug() << "QRuntimeGraphicsSystem::setGraphicsSystem( " << name << " )"; | |
#endif | |
QGraphicsSystem *oldSystem = m_graphicsSystem; | |
m_graphicsSystem = QGraphicsSystemFactory::create(name); | |
m_graphicsSystemName = name; | |
Q_ASSERT(m_graphicsSystem); | |
m_pendingGraphicsSystemName = QString(); | |
for (int i = 0; i < m_pixmapDatas.size(); ++i) { | |
QRuntimePixmapData *proxy = m_pixmapDatas.at(i); | |
QPixmapData *newData = m_graphicsSystem->createPixmapData(proxy->m_data); | |
newData->fromImage(proxy->m_data->toImage(), Qt::NoOpaqueDetection); | |
delete proxy->m_data; | |
proxy->m_data = newData; | |
proxy->readBackInfo(); | |
} | |
for (int i = 0; i < m_windowSurfaces.size(); ++i) { | |
QRuntimeWindowSurface *proxy = m_windowSurfaces.at(i); | |
QWidget *widget = proxy->m_windowSurface->window(); | |
if(m_windowSurfaceDestroyPolicy == DestroyAfterFirstFlush) | |
proxy->m_pendingWindowSurface.reset(proxy->m_windowSurface.take()); | |
QWindowSurface *newWindowSurface = m_graphicsSystem->createWindowSurface(widget); | |
newWindowSurface->setGeometry(proxy->geometry()); | |
proxy->m_windowSurface.reset(newWindowSurface); | |
qt_widget_private(widget)->invalidateBuffer(widget->rect()); | |
} | |
delete oldSystem; | |
} | |
void QRuntimeGraphicsSystem::removePixmapData(QRuntimePixmapData *pixmapData) const | |
{ | |
int index = m_pixmapDatas.lastIndexOf(pixmapData); | |
m_pixmapDatas.removeAt(index); | |
} | |
void QRuntimeGraphicsSystem::removeWindowSurface(QRuntimeWindowSurface *windowSurface) const | |
{ | |
int index = m_windowSurfaces.lastIndexOf(windowSurface); | |
m_windowSurfaces.removeAt(index); | |
} | |
#include "qgraphicssystem_runtime.moc" | |
QT_END_NAMESPACE |