alpha property

double alpha

Returns the alpha (transparency) value of this object.

Implementation

double get alpha {
  return $alpha;
}

@override void alpha=(double value)

Set the alpha value of this object and update the alpha value of the internal paint object that is used to render the text with the specified opacity.

Implementation

@override
set alpha(double value) {
  final changed = value != $alpha;
  super.alpha = value;
  if (changed) {
    _alphaPaint.color = _alphaPaint.color.withOpacity($alpha);
  }
}