toColor function
Returns an int from a String if it is a numeric value
Implementation
Color? toColor(dynamic s) {
if (s == null) return null;
if (s is String) return ColorHelper.toColor(s);
if (s is Color) return s;
if (s is MaterialColor) {
return Color.fromRGBO(s.red, s.green, s.blue, s.opacity);
}
if (s is MaterialAccentColor) {
return Color.fromRGBO(s.red, s.green, s.blue, s.opacity);
}
return null;
}