Class: QgsLayoutItemPolyline

class qgis.core.QgsLayoutItemPolyline(layout: QgsLayout)

Bases: QgsLayoutNodesItem

Constructor for QgsLayoutItemPolyline for the specified layout.

QgsLayoutItemPolyline(polyline: QPolygonF, layout: QgsLayout) Constructor for QgsLayoutItemPolyline for the specified polyline and layout.

Layout item for node based polyline shapes.

New in version 3.0.

Parameters

layout

ArrowHead = 1
class MarkerMode

Bases: int

NoMarker = 0
SvgMarker = 2
accept(self, visitor: QgsStyleEntityVisitorInterface) → bool
Parameters

visitor (QgsStyleEntityVisitorInterface) –

Return type

bool

adjustPointForReferencePosition()
applyDataDefinedSize()
applyItemSizeConstraint()
arrowHeadFillColor(self) → QColor

Returns the color used to fill the arrow head.

Return type

QColor

arrowHeadStrokeColor(self) → QColor

Returns the color used to draw the stroke around the the arrow head.

Return type

QColor

arrowHeadStrokeWidth(self) → float

Returns the pen width in millimeters for the stroke of the arrow head.

Return type

float

arrowHeadWidth(self) → float

Returns the width of line arrow heads in mm.

Return type

float

childEvent()
computeDistance()
connectNotify()
contextMenuEvent()
create(layout: QgsLayout)QgsLayoutItemPolyline

Returns a new polyline item for the specified layout.

The caller takes responsibility for deleting the returned object.

Parameters

layout (QgsLayout) –

Return type

QgsLayoutItemPolyline

customEvent()
disconnectNotify()
displayName(self) → str
Return type

str

dragEnterEvent()
dragLeaveEvent()
dragMoveEvent()
draw()
drawBackground()
drawDebugRect()
drawFrame()
dropEvent()
endMarker(self) → QgsLayoutItemPolyline.MarkerMode

Returns the end marker mode, which controls what marker is drawn at the end of the line.

See also

setEndMarker()

See also

startMarker()

Return type

QgsLayoutItemPolyline.MarkerMode

endSvgMarkerPath(self) → str

Returns the path the an SVG marker drawn at the end of the line.

Return type

str

focusInEvent()
focusOutEvent()
hoverEnterEvent()
hoverLeaveEvent()
hoverMoveEvent()
icon(self) → QIcon
Return type

QIcon

inputMethodEvent()
inputMethodQuery()
isSignalConnected()
itemChange()
keyPressEvent()
keyReleaseEvent()
mouseDoubleClickEvent()
mouseMoveEvent()
mousePressEvent()
mouseReleaseEvent()
positionAtReferencePoint()
prepareGeometryChange()
readObjectPropertiesFromElement()
readPropertiesFromElement(self, element: QDomElement, document: QDomDocument, context: QgsReadWriteContext) → bool
Parameters
Return type

bool

receivers()
refreshBackgroundColor()
refreshBlendMode()
refreshFrame()
refreshItemPosition()
refreshItemRotation()
refreshItemSize()
refreshOpacity()
rescaleToFitBoundingBox()
sceneEvent()
sceneEventFilter()
sender()
senderSignalIndex()
setArrowHeadFillColor(self, color: Union[QColor, Qt.GlobalColor, QGradient])

Sets the color used to fill the arrow head.

Parameters

color (Union[QColor) –

setArrowHeadStrokeColor(self, color: Union[QColor, Qt.GlobalColor, QGradient])

Sets the color used to draw the stroke around the arrow head.

Parameters

color (Union[QColor) –

setArrowHeadStrokeWidth(self, width: float)

Sets the pen width in millimeters for the stroke of the arrow head

Parameters

width (float) –

setArrowHeadWidth(self, width: float)

Sets the width of line arrow heads in mm.

See also

arrowHeadWidth()

Parameters

width (float) –

setEndMarker(self, mode: QgsLayoutItemPolyline.MarkerMode)

Sets the end marker mode, which controls what marker is drawn at the end of the line.

See also

endMarker()

See also

setStartMarker()

Parameters

mode (QgsLayoutItemPolyline.MarkerMode) –

setEndSvgMarkerPath(self, path: str)

Sets the path to a SVG marker to draw at the end of the line.

Parameters

path (str) –

setFixedSize()
setMinimumSize()
setStartMarker(self, mode: QgsLayoutItemPolyline.MarkerMode)

Sets the start marker mode, which controls what marker is drawn at the start of the line.

See also

startMarker()

See also

setEndMarker()

Parameters

mode (QgsLayoutItemPolyline.MarkerMode) –

setStartSvgMarkerPath(self, path: str)

Sets the path to a SVG marker to draw at the start of the line.

Parameters

path (str) –

setSymbol(self, symbol: QgsLineSymbol)

Sets the symbol used to draw the shape. Ownership of symbol is not transferred.

See also

symbol()

Parameters

symbol (QgsLineSymbol) –

shape(self) → QPainterPath
Return type

QPainterPath

startMarker(self) → QgsLayoutItemPolyline.MarkerMode

Returns the start marker mode, which controls what marker is drawn at the start of the line.

See also

setStartMarker()

See also

endMarker()

Return type

QgsLayoutItemPolyline.MarkerMode

startSvgMarkerPath(self) → str

Returns the path the an SVG marker drawn at the start of the line.

Return type

str

symbol(self)QgsLineSymbol

Returns the line symbol used to draw the shape.

See also

setSymbol()

Return type

QgsLineSymbol

timerEvent()
topLeftToReferencePoint()
type(self) → int
Return type

int

updateBoundingRect(self)
updateMicroFocus()
updateSceneRect()
wheelEvent()
writeObjectPropertiesToElement()
writePropertiesToElement(self, element: QDomElement, document: QDomDocument, context: QgsReadWriteContext) → bool
Parameters
Return type

bool