QGraphicsOpacityEffect

The QGraphicsOpacityEffect class provides an opacity effect. More…

New in version 4.6.

Synopsis

Functions

• def opacity ()

• def opacityMask ()

Slots

• def setOpacity (opacity)

• def setOpacityMask (mask)

Signals

• def opacityChanged (opacity)

• def opacityMaskChanged (mask)

Detailed Description

An opacity effect renders the source with an opacity. This effect is useful for making the source semi-transparent, similar to a fade-in/fade-out sequence. The opacity can be modified using the setOpacity() function.

By default, the opacity is 0.7.

See also

QGraphicsDropShadowEffect QGraphicsBlurEffect QGraphicsColorizeEffect

class QGraphicsOpacityEffect([parent=None])

param parent

QObject

Constructs a new QGraphicsOpacityEffect instance. The parent parameter is passed to QGraphicsEffect ‘s constructor.

PySide2.QtWidgets.QGraphicsOpacityEffect.opacity()

Return type

qreal

See also

setOpacity()

PySide2.QtWidgets.QGraphicsOpacityEffect.opacityChanged(opacity)

Parameters

opacity – qreal

PySide2.QtWidgets.QGraphicsOpacityEffect.opacityMask()

Return type

QBrush

See also

setOpacityMask()

PySide2.QtWidgets.QGraphicsOpacityEffect.opacityMaskChanged(mask)

Parameters

mask – QBrush

PySide2.QtWidgets.QGraphicsOpacityEffect.setOpacity(opacity)

Parameters

opacity – qreal

See also

opacity()

PySide2.QtWidgets.QGraphicsOpacityEffect.setOpacityMask(mask)

Parameters

mask – QBrush

See also

opacityMask()