overAndUnderCenterOpacity property Null safety
The opacity value that will be applied to the wheel that appears below and above the magnifier.
The default value is 1.0, which will not change anything.
Must be greater than or equal to 0, and less than or equal to 1.
Implementation
double get overAndUnderCenterOpacity => _overAndUnderCenterOpacity;
Implementation
set overAndUnderCenterOpacity(double value) {
assert(value != null);
assert(value >= 0 && value <= 1);
if (value == _overAndUnderCenterOpacity) {
return;
}
_overAndUnderCenterOpacity = value;
markNeedsPaint();
}