QGraphicsItemCache Class Reference

#include <qgraphicsitem_p.h>

Collaboration diagram for QGraphicsItemCache:

Classes
struct	DeviceData

Public Member Functions
	QGraphicsItemCache ()
void	purge ()

Public Attributes
QRect	boundingRect
QSize	fixedSize
QPixmapCache::Key	key
QHash< QPaintDevice *, DeviceData >	deviceData
QList< QRectF >	exposed
bool	allExposed

Detailed Description

Definition at line 34 of file qgraphicsitem_p.h.

Constructor & Destructor Documentation

QGraphicsItemCache()

QGraphicsItemCache::QGraphicsItemCache ( )

inline

Definition at line 37 of file qgraphicsitem_p.h.

Member Function Documentation

purge()

void QGraphicsItemCache::purge

(

)

Empty all cached pixmaps from the pixmap cache.

Definition at line 1482 of file qgraphicsitem.cpp.

References allExposed, QList< T >::clear(), deviceData, exposed, and QPixmapCache::remove().

Referenced by QGraphicsItemPrivate::removeExtraItemCache(), and QGraphicsItemPrivate::setVisibleHelper().

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Member Data Documentation

allExposed

bool QGraphicsItemCache::allExposed

Definition at line 55 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper(), and purge().

boundingRect

QRect QGraphicsItemCache::boundingRect

Definition at line 40 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper().

deviceData

QHash<QPaintDevice *, DeviceData> QGraphicsItemCache::deviceData

Definition at line 51 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper(), and purge().

exposed

QList<QRectF> QGraphicsItemCache::exposed

Definition at line 54 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper(), and purge().

fixedSize

QSize QGraphicsItemCache::fixedSize

Definition at line 41 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper().

key

QPixmapCache::Key QGraphicsItemCache::key

Definition at line 42 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::drawItemHelper().

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

• qtbase/src/widgets/graphicsview/qgraphicsitem_p.h (002d95dc859d2d84ec150572743736fd700670cf)
• qtbase/src/widgets/graphicsview/qgraphicsitem.cpp (41c95615fc6f58d584f5658d062e35fda17dc3f8)