Class: QgsRasterTransparencyWidget

A widget for controlling a raster layer’s transparency and related options.

QgsRasterTransparencyWidget

Class Hierarchy

Base classes

QgsMapLayerConfigWidget	A panel widget that can be shown in the map style dock.
QgsPanelWidget	Base class for any widget that can be shown as an inline panel.
QWidget
QObject
QPaintDevice

class qgis.gui.QgsRasterTransparencyWidget

Bases: QgsMapLayerConfigWidget

__init__(layer: QgsRasterLayer | None, canvas: QgsMapCanvas | None, parent: QWidget | None = None)

Widget to control a layers transparency and related options

Parameters:

• layer (Optional[QgsRasterLayer])

• canvas (Optional[QgsMapCanvas])

• parent (Optional[QWidget] = None)

abstract apply(self)

Apply any changes on the widget to the set layer.

virtual createExpressionContext(self) → QgsExpressionContext

Return type:

QgsExpressionContext

pixelSelectorTool(self) → QgsMapToolEmitPoint | None

Returns the (possibly None) map pixel selector tool.

Added in version 3.22.

Return type:

Optional[QgsMapToolEmitPoint]

setContext(self, context: QgsSymbolWidgetContext)

Sets the context in which the dialog is shown, e.g., the associated map canvas and expression contexts.

Added in version 3.22.

Parameters:

context (QgsSymbolWidgetContext)

virtual syncToLayer(self)

Sync the widget state to the layer set for the widget.