A ruler is a widget that displays a ruler with a given distance in cm or inches
A ruler is a widget that displays a ruler with a given distance in cm or inches
Ruler.count(10.cm),
Ruler.count(10.cm),
Ruler.dynamic(300.cm),
DynamicDoubleSidedRuler(
cmWidth: 100,
child: Container(color: Colors.red, height: 100, width: 100),
);