opacity method
void
opacity({})
Pushes an OpacityLayer to the compositing tree, calling paint
to paint
on top of the layer.
This is the same as alpha but takes a fraction instead of an integer, where 0.0 means the painting is fully transparent and an opacity value of
See also:
Implementation
// 1.0 means the painting is fully opaque.
///
/// See also:
///
/// * [PaintingContext.pushOpacity]
void opacity({
required double opacity,
required VoidCallback paint,
Offset offset = Offset.zero,
Rect? bounds,
LayerKey? key,
}) {
return alpha(
alpha: (opacity * 255).round(),
paint: paint,
offset: offset,
bounds: bounds,
key: key,
);
}