QGraphicsEffectSourcePrivate Class Reference

#include <qgraphicseffect_p.h>

Inheritance diagram for QGraphicsEffectSourcePrivate:

Public Types
enum	InvalidateReason { TransformChanged, EffectRectChanged, SourceChanged }
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)

Public Functions
virtual QRectF	boundingRect (Qt::CoordinateSystem system) const =0
QGraphicsEffect::PixmapPadMode	currentCachedMode () const
Qt::CoordinateSystem	currentCachedSystem () const
virtual void	detach ()=0
virtual QRect	deviceRect () const =0
virtual void	draw (QPainter *p)=0
virtual void	effectBoundingRectChanged ()=0
virtual const QGraphicsItem *	graphicsItem () const =0
void	invalidateCache (InvalidateReason reason=SourceChanged) const
virtual bool	isPixmap () const =0
virtual QPixmap	pixmap (Qt::CoordinateSystem system, QPoint *offset=0, QGraphicsEffect::PixmapPadMode mode=QGraphicsEffect::PadToTransparentBorder) const =0
	QGraphicsEffectSourcePrivate ()
void	setCachedOffset (const QPoint &offset)
virtual const QStyleOption *	styleOption () const =0
virtual void	update ()=0
virtual const QWidget *	widget () const =0
virtual	~QGraphicsEffectSourcePrivate ()
Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)
void	addConnection (int signal, Connection *c)
void	cleanConnectionLists ()
void	connectNotify (const char *signal)
void	deleteChildren ()
void	disconnectNotify (const char *signal)
bool	isSender (const QObject *receiver, const char *signal) const
bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...
void	moveToThread_helper ()
	QObjectPrivate (int version=QObjectPrivateVersion)
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	setParent_helper (QObject *)
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...
virtual	~QObjectPrivate ()
Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Properties
QGraphicsEffect::PixmapPadMode	m_cachedMode
QPoint	m_cachedOffset
Qt::CoordinateSystem	m_cachedSystem
QPixmapCache::Key	m_cacheKey

Friends
class	QGraphicsItem
class	QGraphicsItemPrivate
class	QGraphicsScenePrivate

Additional Inherited Members
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Detailed Description

Definition at line 101 of file qgraphicseffect_p.h.

Enumerations

InvalidateReason

enum QGraphicsEffectSourcePrivate::InvalidateReason

Enumerator
TransformChanged
EffectRectChanged
SourceChanged

Definition at line 111 of file qgraphicseffect_p.h.

    {
        TransformChanged,
        EffectRectChanged,
        SourceChanged
    };

Constructors and Destructors

QGraphicsEffectSourcePrivate()

QGraphicsEffectSourcePrivate::QGraphicsEffectSourcePrivate ( )

inline

Definition at line 105 of file qgraphicseffect_p.h.

        : QObjectPrivate()
        , m_cachedSystem(Qt::DeviceCoordinates)
        , m_cachedMode(QGraphicsEffect::PadToTransparentBorder)
    {}

~QGraphicsEffectSourcePrivate()

QGraphicsEffectSourcePrivate::~QGraphicsEffectSourcePrivate ( )

virtual

Definition at line 378 of file qgraphicseffect.cpp.

{
    invalidateCache();
}

Functions

boundingRect()

virtual QRectF QGraphicsEffectSourcePrivate::boundingRect ( Qt::CoordinateSystem  system ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

currentCachedMode()

QGraphicsEffect::PixmapPadMode QGraphicsEffectSourcePrivate::currentCachedMode ( ) const

inline

Definition at line 135 of file qgraphicseffect_p.h.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive().

{ return m_cachedMode; }

currentCachedSystem()

Qt::CoordinateSystem QGraphicsEffectSourcePrivate::currentCachedSystem ( ) const

inline

Definition at line 134 of file qgraphicseffect_p.h.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive().

{ return m_cachedSystem; }

detach()

virtual void QGraphicsEffectSourcePrivate::detach ( )

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

deviceRect()

virtual QRect QGraphicsEffectSourcePrivate::deviceRect ( ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

draw()

virtual void QGraphicsEffectSourcePrivate::draw ( QPainter *  p )

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

effectBoundingRectChanged()

virtual void QGraphicsEffectSourcePrivate::effectBoundingRectChanged ( )

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

graphicsItem()

virtual const QGraphicsItem* QGraphicsEffectSourcePrivate::graphicsItem ( ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

invalidateCache()

void QGraphicsEffectSourcePrivate::invalidateCache

(

InvalidateReason

reason = SourceChanged

)

const

Definition at line 388 of file qgraphicseffect.cpp.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive(), and QWidgetPrivate::drawWidget().

{
    if (m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect
        && (reason == EffectRectChanged
            || (reason == TransformChanged && m_cachedSystem == Qt::LogicalCoordinates))) {
        return;
    }

    QPixmapCache::remove(m_cacheKey);
}

isPixmap()

virtual bool QGraphicsEffectSourcePrivate::isPixmap ( ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

pixmap()

virtual QPixmap QGraphicsEffectSourcePrivate::pixmap ( Qt::CoordinateSystem  system, QPoint *  offset = 0, QGraphicsEffect::PixmapPadMode  mode = QGraphicsEffect::PadToTransparentBorder  ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

setCachedOffset()

void QGraphicsEffectSourcePrivate::setCachedOffset

(

const QPoint &

offset

)

Definition at line 383 of file qgraphicseffect.cpp.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive().

{
    m_cachedOffset = offset;
}

styleOption()

virtual const QStyleOption* QGraphicsEffectSourcePrivate::styleOption ( ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

update()

virtual void QGraphicsEffectSourcePrivate::update ( )

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

widget()

virtual const QWidget* QGraphicsEffectSourcePrivate::widget ( ) const

pure virtual

Implemented in QWidgetEffectSourcePrivate, and QGraphicsItemEffectSourcePrivate.

Friends and Related Functions

QGraphicsItem

friend class QGraphicsItem

friend

Definition at line 138 of file qgraphicseffect_p.h.

QGraphicsItemPrivate

friend class QGraphicsItemPrivate

friend

Definition at line 139 of file qgraphicseffect_p.h.

QGraphicsScenePrivate

friend class QGraphicsScenePrivate

friend

Definition at line 137 of file qgraphicseffect_p.h.

Properties

m_cachedMode

QGraphicsEffect::PixmapPadMode QGraphicsEffectSourcePrivate::m_cachedMode

mutableprivate

Definition at line 143 of file qgraphicseffect_p.h.

m_cachedOffset

QPoint QGraphicsEffectSourcePrivate::m_cachedOffset

mutableprivate

Definition at line 144 of file qgraphicseffect_p.h.

m_cachedSystem

Qt::CoordinateSystem QGraphicsEffectSourcePrivate::m_cachedSystem

mutableprivate

Definition at line 142 of file qgraphicseffect_p.h.

m_cacheKey

QPixmapCache::Key QGraphicsEffectSourcePrivate::m_cacheKey

mutableprivate

Definition at line 145 of file qgraphicseffect_p.h.

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

• /src/gui/effects/qgraphicseffect_p.h
• /src/gui/effects/qgraphicseffect.cpp