QAbstractGraphicsShapeItem Class

The QAbstractGraphicsShapeItem class provides a common base for all path items. More...

Header:	#include <QAbstractGraphicsShapeItem>
CMake:	find_package(Qt6 COMPONENTS Widgets REQUIRED) target_link_libraries(mytarget PRIVATE Qt6::Widgets)
qmake:	QT += widgets
Inherits:	QGraphicsItem
Inherited By:	QGraphicsEllipseItem, QGraphicsPathItem, QGraphicsPolygonItem, QGraphicsRectItem, and QGraphicsSimpleTextItem

• List of all members, including inherited members

Public Functions

	QAbstractGraphicsShapeItem(QGraphicsItem *parent = nullptr)
virtual	~QAbstractGraphicsShapeItem()
QBrush	brush() const
QPen	pen() const
void	setBrush(const QBrush &brush)
void	setPen(const QPen &pen)

Reimplemented Public Functions

virtual bool	isObscuredBy(const QGraphicsItem *item) const override
virtual QPainterPath	opaqueArea() const override

Detailed Description

This class does not fully implement an item by itself; in particular, it does not implement boundingRect() and paint(), which are inherited by QGraphicsItem.

You can subclass this item to provide a simple base implementation of accessors for the item's pen and brush.

See also QGraphicsRectItem, QGraphicsEllipseItem, QGraphicsPathItem, QGraphicsPolygonItem, QGraphicsTextItem, QGraphicsLineItem, QGraphicsPixmapItem, and Graphics View Framework.

Member Function Documentation

QAbstractGraphicsShapeItem::QAbstractGraphicsShapeItem(QGraphicsItem *parent = nullptr)

Constructs a QAbstractGraphicsShapeItem. parent is passed to QGraphicsItem's constructor.

[virtual] QAbstractGraphicsShapeItem::~QAbstractGraphicsShapeItem()

Destroys a QAbstractGraphicsShapeItem.

QBrush QAbstractGraphicsShapeItem::brush() const

Returns the item's brush, or an empty brush if no brush has been set.

See also setBrush().

[override virtual] bool QAbstractGraphicsShapeItem::isObscuredBy(const QGraphicsItem *item) const

Reimplements: QGraphicsItem::isObscuredBy(const QGraphicsItem *item) const.

[override virtual] QPainterPath QAbstractGraphicsShapeItem::opaqueArea() const

Reimplements: QGraphicsItem::opaqueArea() const.

QPen QAbstractGraphicsShapeItem::pen() const

Returns the item's pen. If no pen has been set, this function returns QPen(), a default black solid line pen with 1 width.

See also setPen().

void QAbstractGraphicsShapeItem::setBrush(const QBrush &brush)

Sets the item's brush to brush.

The item's brush is used to fill the item.

If you use a brush with a QGradient, the gradient is relative to the item's coordinate system.

See also brush().

void QAbstractGraphicsShapeItem::setPen(const QPen &pen)

Sets the pen for this item to pen.

The pen is used to draw the item's outline.

See also pen().