QGraphicsPolygonItem Class Reference
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QtGui

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The QGraphicsPolygonItem class provides a polygon item that you can add to a QGraphicsScene . 更多...

方法

__init__ ( self , QGraphicsItem parent = None, QGraphicsScene scene = None)
__init__ ( self , QPolygonF polygon , QGraphicsItem parent = None, QGraphicsScene scene = None)
QRectF boundingRect ( self )
bool contains ( self , QPointF point )
Qt.FillRule fillRule ( self )
bool isObscuredBy ( self , QGraphicsItem item )
QPainterPath opaqueArea ( self )
paint ( self , QPainter painter , QStyleOptionGraphicsItem option , QWidget widget = None)
QPolygonF polygon ( self )
setFillRule ( self , Qt.FillRule rule )
setPolygon ( self , QPolygonF polygon )
QPainterPath shape ( self )
int type ( self )

详细描述

The QGraphicsPolygonItem class provides a polygon item that you can add to a QGraphicsScene .

To set the item's polygon, pass a QPolygonF to QGraphicsPolygonItem's constructor, or call the setPolygon () 函数。 polygon () function returns the current polygon.

QGraphicsPolygonItem uses the polygon and the pen width to provide a reasonable implementation of boundingRect (), shape ()，和 contains ()。 paint () function draws the polygon using the item's associated pen and brush, which you can set by calling the setPen () 和 setBrush () 函数。

方法文档编制

QGraphicsPolygonItem.init ( self , QGraphicsItem parent = None, QGraphicsScene scene = None)

parent argument, if not None, causes self to be owned by Qt instead of PyQt.

scene argument, if not None, causes self to be owned by Qt instead of PyQt.

构造 QGraphicsPolygonItem . parent 会被传递给 QAbstractGraphicsShapeItem 's 构造函数。

另请参阅 QGraphicsScene.addItem ().

QGraphicsPolygonItem.init ( self , QPolygonF polygon , QGraphicsItem parent = None, QGraphicsScene scene = None)

parent argument, if not None, causes self to be owned by Qt instead of PyQt.

scene argument, if not None, causes self to be owned by Qt instead of PyQt.

构造 QGraphicsPolygonItem with polygon as the default polygon. parent 会被传递给 QAbstractGraphicsShapeItem 's 构造函数。

另请参阅 QGraphicsScene.addItem ().

QRectF QGraphicsPolygonItem.boundingRect ( self )

重实现自 QGraphicsItem.boundingRect ().

bool QGraphicsPolygonItem.contains ( self , QPointF point )

重实现自 QGraphicsItem.contains ().

Qt.FillRule QGraphicsPolygonItem.fillRule ( self )

Returns the fill rule of the polygon. The default fill rule is Qt.OddEvenFill .

另请参阅 setFillRule (), QPainterPath.fillRule ()，和 QPainter.drawPolygon ().

bool QGraphicsPolygonItem.isObscuredBy ( self , QGraphicsItem item )

重实现自 QGraphicsItem.isObscuredBy ().

QPainterPath QGraphicsPolygonItem.opaqueArea ( self )

重实现自 QGraphicsItem.opaqueArea ().

QGraphicsPolygonItem.paint ( self , QPainter painter , QStyleOptionGraphicsItem option , QWidget widget = None)

重实现自 QGraphicsItem.paint ().

QPolygonF QGraphicsPolygonItem.polygon ( self )

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

另请参阅 setPolygon ().

QGraphicsPolygonItem.setFillRule ( self , Qt.FillRule rule )

Sets the fill rule of the polygon to rule 。默认 fill rule is Qt.OddEvenFill .

另请参阅 fillRule (), QPainterPath.fillRule ()，和 QPainter.drawPolygon ().

QGraphicsPolygonItem.setPolygon ( self , QPolygonF polygon )

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

另请参阅 polygon ().

QPainterPath QGraphicsPolygonItem.shape ( self )

重实现自 QGraphicsItem.shape ().

int QGraphicsPolygonItem.type ( self )

重实现自 QGraphicsItem.type ().

QGraphicsPolygonItem Class Reference [ QtGui module]

方法