QgsOpacityWidget class

A widget for setting an opacity value.

Contents

Constructors, destructors, conversion operators

QgsOpacityWidget(QWidget* parent = nullptr) explicit
Constructor for QgsOpacityWidget.

Public functions

auto opacity() const -> double
Returns the current opacity selected in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

Signals

void opacityChanged(double opacity)
Emitted when the opacity is changed in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

Public slots

void setOpacity(double opacity)
Sets the current opacity to show in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

Function documentation

double QgsOpacityWidget::opacity() const

Returns the current opacity selected in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

void QgsOpacityWidget::opacityChanged(double opacity) signal

Emitted when the opacity is changed in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).

void QgsOpacityWidget::setOpacity(double opacity) public slot

Sets the current opacity to show in the widget, where opacity ranges from 0.0 (transparent) to 1.0 (opaque).