Class: QgsBlendModeComboBox¶

A combobox which lets the user select blend modes from a predefined list.

Class Hierarchy¶

Base classes¶

QComboBox
QWidget
QObject
QPaintDevice

class qgis.gui.QgsBlendModeComboBox[source]¶

Bases: QComboBox

__init__(parent: QWidget | None = None)

Constructor for QgsBlendModeComboBox

Parameters:: parent (Optional[QWidget] = None)

blendMode(self) → QPainter.CompositionMode[source]¶

Returns the selected blend mode.

See also

setBlendMode()

Return type:: QPainter.CompositionMode

setBlendMode(self, blendMode: QPainter.CompositionMode)[source]¶

Sets the selected blend mode.

See also

blendMode()

Parameters:: blendMode (QPainter.CompositionMode)

setShowClippingModes(self, show: bool)[source]¶

Sets whether composition modes which cause clipping are shown in the combo box.

By default, these composition modes (such as QPainter.CompositionMode.CompositionMode_DestinationIn ) are not shown in the combo box, as they can only be used with predictable results in a limited set of circumstances. By setting show to True these additional composition modes will be shown in the combo box.

See also

showClippingModes()

Added in version 3.24.

Parameters:: show (bool)

showClippingModes(self) → bool[source]¶

Returns True if composition modes which cause clipping are shown in the combo box.

By default, these composition modes (such as QPainter.CompositionMode.CompositionMode_DestinationIn ) are not shown in the combo box, as they can only be used with predictable results in a limited set of circumstances.

See also

setShowClippingModes()

Added in version 3.24.

Return type:: bool

updateModes(self)[source]¶: Populates the blend mode combo box, and sets up mapping for blend modes to combo box indexes