Line data    Source code

       1              : import 'package:flutter/material.dart';
       2              : 
       3              : extension Darker on Color {
       4            0 :   Color darkerShade([double factor = 0.2]) {
       5            0 :     assert(factor >= 0 && factor <= 1, 'Factor must be between 0 and 1');
       6            0 :     return Color.fromARGB(
       7            0 :       alpha,
       8            0 :       (red * (1 - factor)).round().clamp(0, 255),
       9            0 :       (green * (1 - factor)).round().clamp(0, 255),
      10            0 :       (blue * (1 - factor)).round().clamp(0, 255),
      11              :     );
      12              :   }
      13              : }