QRuntimeGraphicsSystem Class Reference

#include <qgraphicssystem_runtime_p.h>

Inheritance diagram for QRuntimeGraphicsSystem:

Public Types
enum	WindowSurfaceDestroyPolicy { DestroyImmediately, DestroyAfterFirstFlush }

Public Functions
QPixmapData *	createPixmapData (QPixmapData::PixelType type) const
QWindowSurface *	createWindowSurface (QWidget *widget) const
QString	graphicsSystemName () const
	QRuntimeGraphicsSystem ()
void	removePixmapData (QRuntimePixmapData *pixmapData) const
void	removeWindowSurface (QRuntimeWindowSurface *windowSurface) const
void	setGraphicsSystem (const QString &name)
void	setWindowSurfaceDestroyPolicy (WindowSurfaceDestroyPolicy policy)
int	windowSurfaceDestroyPolicy () const
Public Functions inherited from QGraphicsSystem
virtual QPixmapData *	createPixmapData (QPixmapData *origin)
virtual QGraphicsSystemEx *	platformExtension ()
virtual	~QGraphicsSystem ()

Properties
QGraphicsSystem *	m_graphicsSystem
QString	m_graphicsSystemName
QString	m_pendingGraphicsSystemName
QList< QRuntimePixmapData * >	m_pixmapDatas
int	m_windowSurfaceDestroyPolicy
QList< QRuntimeWindowSurface * >	m_windowSurfaces

Friends
class	QMeeGoGraphicsSystem
class	QRuntimePixmapData
class	QRuntimeWindowSurface

Additional Inherited Members
Static Public Functions inherited from QGraphicsSystem
static QPixmapData *	createDefaultPixmapData (QPixmapData::PixelType type)

Detailed Description

Definition at line 141 of file qgraphicssystem_runtime_p.h.

Enumerations

WindowSurfaceDestroyPolicy

enum QRuntimeGraphicsSystem::WindowSurfaceDestroyPolicy

Enumerator
DestroyImmediately
DestroyAfterFirstFlush

Definition at line 145 of file qgraphicssystem_runtime_p.h.

    {
        DestroyImmediately,
        DestroyAfterFirstFlush
    };

Constructors and Destructors

QRuntimeGraphicsSystem()

QRuntimeGraphicsSystem::QRuntimeGraphicsSystem

(

)

Definition at line 327 of file qgraphicssystem_runtime.cpp.

    : m_windowSurfaceDestroyPolicy(DestroyImmediately),
      m_graphicsSystem(0)
{
    QApplicationPrivate::runtime_graphics_system = true;

    if (!qgetenv("QT_DEFAULT_RUNTIME_SYSTEM").isEmpty()) {
        m_graphicsSystemName = QString::fromLocal8Bit(qgetenv("QT_DEFAULT_RUNTIME_SYSTEM"));
    } else {
#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");
}

Functions

createPixmapData()

QPixmapData * QRuntimeGraphicsSystem::createPixmapData ( QPixmapData::PixelType  type ) const

virtual

Implements QGraphicsSystem.

Definition at line 353 of file qgraphicssystem_runtime.cpp.

{
    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;
}

createWindowSurface()

QWindowSurface * QRuntimeGraphicsSystem::createWindowSurface ( QWidget *  widget ) const

virtual

Implements QGraphicsSystem.

Definition at line 365 of file qgraphicssystem_runtime.cpp.

{
    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;
}

graphicsSystemName()

QString QRuntimeGraphicsSystem::graphicsSystemName ( ) const

inline

Definition at line 161 of file qgraphicssystem_runtime_p.h.

Referenced by QMeeGoGraphicsSystem::runningGraphicsSystemName().

{ return m_graphicsSystemName; }

removePixmapData()

void QRuntimeGraphicsSystem::removePixmapData

(

QRuntimePixmapData *

pixmapData

)

const

Definition at line 416 of file qgraphicssystem_runtime.cpp.

Referenced by QRuntimePixmapData::~QRuntimePixmapData().

{
    int index = m_pixmapDatas.lastIndexOf(pixmapData);
    m_pixmapDatas.removeAt(index);
}

removeWindowSurface()

void QRuntimeGraphicsSystem::removeWindowSurface

(

QRuntimeWindowSurface *

windowSurface

)

const

Definition at line 422 of file qgraphicssystem_runtime.cpp.

Referenced by QRuntimeWindowSurface::~QRuntimeWindowSurface().

{
    int index = m_windowSurfaces.lastIndexOf(windowSurface);
    m_windowSurfaces.removeAt(index);
}

setGraphicsSystem()

void QRuntimeGraphicsSystem::setGraphicsSystem

(

const QString &

name

)

Definition at line 375 of file qgraphicssystem_runtime.cpp.

Referenced by QDeferredGraphicsSystemChange::doChange(), and QApplication::setGraphicsSystem().

{
    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;
}

setWindowSurfaceDestroyPolicy()

void QRuntimeGraphicsSystem::setWindowSurfaceDestroyPolicy ( WindowSurfaceDestroyPolicy  policy )

inline

Definition at line 163 of file qgraphicssystem_runtime_p.h.

    {
        m_windowSurfaceDestroyPolicy = policy;
    }

windowSurfaceDestroyPolicy()

int QRuntimeGraphicsSystem::windowSurfaceDestroyPolicy ( ) const

inline

Definition at line 168 of file qgraphicssystem_runtime_p.h.

Referenced by QRuntimeWindowSurface::flush().

{ return m_windowSurfaceDestroyPolicy; }

Friends and Related Functions

QMeeGoGraphicsSystem

friend class QMeeGoGraphicsSystem

friend

Definition at line 182 of file qgraphicssystem_runtime_p.h.

QRuntimePixmapData

friend class QRuntimePixmapData

friend

Definition at line 180 of file qgraphicssystem_runtime_p.h.

Referenced by createPixmapData().

QRuntimeWindowSurface

friend class QRuntimeWindowSurface

friend

Definition at line 181 of file qgraphicssystem_runtime_p.h.

Referenced by createWindowSurface().

Properties

m_graphicsSystem

QGraphicsSystem* QRuntimeGraphicsSystem::m_graphicsSystem

private

Definition at line 173 of file qgraphicssystem_runtime_p.h.

Referenced by createPixmapData(), createWindowSurface(), QRuntimeGraphicsSystem(), and setGraphicsSystem().

m_graphicsSystemName

QString QRuntimeGraphicsSystem::m_graphicsSystemName

private

Definition at line 176 of file qgraphicssystem_runtime_p.h.

Referenced by QRuntimeGraphicsSystem(), and setGraphicsSystem().

m_pendingGraphicsSystemName

QString QRuntimeGraphicsSystem::m_pendingGraphicsSystemName

private

Definition at line 178 of file qgraphicssystem_runtime_p.h.

Referenced by setGraphicsSystem().

m_pixmapDatas

QList<QRuntimePixmapData *> QRuntimeGraphicsSystem::m_pixmapDatas

mutableprivate

Definition at line 174 of file qgraphicssystem_runtime_p.h.

Referenced by createPixmapData(), removePixmapData(), setGraphicsSystem(), and QMeeGoGraphicsSystem::wrapPixmapData().

m_windowSurfaceDestroyPolicy

int QRuntimeGraphicsSystem::m_windowSurfaceDestroyPolicy

private

Definition at line 172 of file qgraphicssystem_runtime_p.h.

Referenced by QRuntimeGraphicsSystem(), and setGraphicsSystem().

m_windowSurfaces

QList<QRuntimeWindowSurface *> QRuntimeGraphicsSystem::m_windowSurfaces

mutableprivate

Definition at line 175 of file qgraphicssystem_runtime_p.h.

Referenced by createWindowSurface(), removeWindowSurface(), and setGraphicsSystem().

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The documentation for this class was generated from the following files:

• /src/gui/painting/qgraphicssystem_runtime_p.h
• /src/gui/painting/qgraphicssystem_runtime.cpp