gray method
Implementation
Widget gray({bool enable = true}) {
//colorFilter: enable ? const ColorFilter.matrix(<double>[])
if (!enable) {
return this;
}
return ColorFiltered(
colorFilter: const ColorFilter.matrix(<double>[
0.2126,
0.7152,
0.0722,
0,
0,
0.2126,
0.7152,
0.0722,
0,
0,
0.2126,
0.7152,
0.0722,
0,
0,
0,
0,
0,
1,
0,
]),
child: this,
);
}