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QGraphicsPathItem Class

The QGraphicsPathItem class provides a path item that you can add to a QGraphicsScene. More...

Header: #include <QGraphicsPathItem>
qmake: QT += widgets
Since: Qt 4.2
Inherits: QAbstractGraphicsShapeItem

Public Types

enum anonymous { Type }

Public Functions

QGraphicsPathItem(QGraphicsItem *parent = nullptr)
QGraphicsPathItem(const QPainterPath &path, QGraphicsItem *parent = nullptr)
virtual ~QGraphicsPathItem()
QPainterPath path() const
void setPath(const QPainterPath &path)

Reimplemented Public Functions

virtual QRectF boundingRect() const override
virtual bool contains(const QPointF &point) const override
virtual bool isObscuredBy(const QGraphicsItem *item) const override
virtual QPainterPath opaqueArea() const override
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override
virtual QPainterPath shape() const override
virtual int type() const override

Additional Inherited Members

Detailed Description

The QGraphicsPathItem class provides a path item that you can add to a QGraphicsScene.

To set the item's path, pass a QPainterPath to QGraphicsPathItem's constructor, or call the setPath() function. The path() function returns the current path.

QGraphicsPathItem uses the path to provide a reasonable implementation of boundingRect(), shape(), and contains(). The paint() function draws the path using the item's associated pen and brush, which you can set by calling the setPen() and setBrush() functions.

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

Member Type Documentation

enum QGraphicsPathItem::anonymous

The value returned by the virtual type() function.

Constant Value Description
QGraphicsPathItem::Type 2 A graphics path item

Member Function Documentation

QGraphicsPathItem::QGraphicsPathItem(QGraphicsItem *parent = nullptr)

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

See also QGraphicsScene::addItem().

QGraphicsPathItem::QGraphicsPathItem(const QPainterPath &path, QGraphicsItem *parent = nullptr)

Constructs a QGraphicsPath item using path as the default path. parent is passed to QAbstractGraphicsShapeItem's constructor.

See also QGraphicsScene::addItem().

[virtual] QGraphicsPathItem::~QGraphicsPathItem()

Destroys the QGraphicsPathItem.

[override virtual] QRectF QGraphicsPathItem::boundingRect() const

Reimplemented from QGraphicsItem::boundingRect().

[override virtual] bool QGraphicsPathItem::contains(const QPointF &point) const

Reimplemented from QGraphicsItem::contains().

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

Reimplemented from QAbstractGraphicsShapeItem::isObscuredBy().

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

Reimplemented from QAbstractGraphicsShapeItem::opaqueArea().

[override virtual] void QGraphicsPathItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr)

Reimplemented from QGraphicsItem::paint().

QPainterPath QGraphicsPathItem::path() const

Returns the item's path as a QPainterPath. If no item has been set, an empty QPainterPath is returned.

See also setPath().

void QGraphicsPathItem::setPath(const QPainterPath &path)

Sets the item's path to be the given path.

See also path().

[override virtual] QPainterPath QGraphicsPathItem::shape() const

Reimplemented from QGraphicsItem::shape().

[override virtual] int QGraphicsPathItem::type() const

Reimplemented from QGraphicsItem::type().

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