QGraphicsLineItem¶
The
QGraphicsLineItem
class provides a line item that you can add to aQGraphicsScene
. More…
Synopsis¶
Functions¶
Detailed Description¶
To set the item’s line, pass a
QLineF
toQGraphicsLineItem
‘s constructor, or call thesetLine()
function. Theline()
function returns the current line. By default the line is black with a width of 0, but you can change this by callingsetPen()
.
QGraphicsLineItem
uses the line and the pen width to provide a reasonable implementation ofboundingRect()
,shape()
, andcontains()
. Thepaint()
function draws the line using the item’s associated pen.
- class PySide2.QtWidgets.QGraphicsLineItem([parent=None])¶
PySide2.QtWidgets.QGraphicsLineItem(line[, parent=None])
PySide2.QtWidgets.QGraphicsLineItem(x1, y1, x2, y2[, parent=None])
- param parent:
- param y1:
float
- param line:
- param y2:
float
- param x1:
float
- param x2:
float
Constructs a
QGraphicsLineItem
.parent
is passed toQGraphicsItem
‘s constructor.See also
Constructs a
QGraphicsLineItem
, usingline
as the default line.parent
is passed toQGraphicsItem
‘s constructor.See also
Constructs a
QGraphicsLineItem
, using the line between (x1
,y1
) and (x2
,y2
) as the default line.parent
is passed toQGraphicsItem
‘s constructor.See also
- PySide2.QtWidgets.QGraphicsLineItem.line()¶
- Return type:
Returns the item’s line, or a null line if no line has been set.
See also
- PySide2.QtWidgets.QGraphicsLineItem.pen()¶
- Return type:
Returns the item’s pen, or a black solid 0-width pen if no pen has been set.
See also
- PySide2.QtWidgets.QGraphicsLineItem.setLine(line)¶
- Parameters:
line –
PySide2.QtCore.QLineF
Sets the item’s line to be the given
line
.See also
- PySide2.QtWidgets.QGraphicsLineItem.setLine(x1, y1, x2, y2)
- Parameters:
x1 – float
y1 – float
x2 – float
y2 – float
This is an overloaded function.
Sets the item’s line to be the line between (
x1
,y1
) and (x2
,y2
).This is the same as calling
setLine(QLineF(x1, y1, x2, y2))
.
- PySide2.QtWidgets.QGraphicsLineItem.setPen(pen)¶
- Parameters:
pen –
PySide2.QtGui.QPen
Sets the item’s pen to
pen
. If no pen is set, the line will be painted using a black solid 0-width pen.See also
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