Subgroup: Map

Class: QgsMapRendererQImageJob¶

class qgis.core.QgsMapRendererQImageJob¶

Bases: qgis._core.QgsMapRendererJob

Intermediate base class adding functionality that allows client to query the rendered image. The image can be queried even while the rendering is still in progress to get intermediate result

New in version 2.4: Methods

`blockSignals`
`cancel`	Stop the rendering job - does not return until the job has terminated.
`cancelWithoutBlocking`	Triggers cancelation of the rendering job without blocking.
`childEvent`
`children`
`connectNotify`
`customEvent`
`deleteLater`
`disconnect`
`disconnectNotify`
`dumpObjectInfo`
`dumpObjectTree`
`dynamicPropertyNames`
`errors`	List of errors that happened during the rendering job - available when the rendering has been finished
`event`
`eventFilter`
`featureFilterProvider`	New in version 3.0.
`findChild`	findChild(self, Tuple, name: str = ‘’, options: Union[Qt.FindChildOptions, Qt.FindChildOption] = Qt.FindChildrenRecursively) -> QObject
`findChildren`	findChildren(self, Tuple, name: str = ‘’, options: Union[Qt.FindChildOptions, Qt.FindChildOption] = Qt.FindChildrenRecursively) -> List[QObject]
`inherits`
`installEventFilter`
`isActive`	Tell whether the rendering job is currently running in background.
`isSignalConnected`
`isWidgetType`
`isWindowType`
`killTimer`
`mapSettings`	Return map settings with which this job was started.
`metaObject`
`moveToThread`
`objectName`
`parent`
`property`
`pyqtConfigure`	Each keyword argument is either the name of a Qt property or a Qt signal.
`receivers`
`removeEventFilter`
`renderedImage`	Get a preview/resulting image
`renderingTime`	Returns the total time it took to finish the job (in milliseconds).
`sender`
`senderSignalIndex`
`setCache`	Assign a cache to be used for reading and storing rendered images of individual layers.
`setFeatureFilterProvider`	New in version 3.0.
`setObjectName`
`setParent`
`setProperty`
`signalsBlocked`
`start`	Start the rendering job and immediately return.
`startTimer`
`takeLabelingResults`	Get pointer to internal labeling engine (in order to get access to the results).
`thread`
`timerEvent`
`tr`
`usedCachedLabels`	Returns true if the render job was able to use a cached labeling solution.
`waitForFinished`	Block until the job has finished.

Attributes

`destroyed`	destroyed(self, QObject = None) [signal]
`finished`	emitted when asynchronous rendering is finished (or canceled). [signal]
`objectNameChanged`	objectNameChanged(self, str) [signal]
`renderingLayersFinished`	Emitted when the layers are rendered.
`staticMetaObject`

childEvent()¶

connectNotify()¶

customEvent()¶

disconnectNotify()¶

isSignalConnected()¶

receivers()¶

renderedImage(self) → QImage¶: Get a preview/resulting image

sender()¶

senderSignalIndex()¶

timerEvent()¶