fluffychat/lib/utils/string_color.dart
2022-08-08 08:31:12 +02:00

30 lines
732 B
Dart

import 'package:flutter/material.dart';
extension StringColor on String {
static final _colorCache = <String, Map<double, Color>>{};
Color _getColorLight(double light) {
var number = 0.0;
for (var i = 0; i < length; i++) {
number += codeUnitAt(i);
}
number = (number % 12) * 25.5;
return HSLColor.fromAHSL(1, number, 1, light).toColor();
}
Color get color {
_colorCache[this] ??= {};
return _colorCache[this]![0.35] ??= _getColorLight(0.35);
}
Color get darkColor {
_colorCache[this] ??= {};
return _colorCache[this]![0.2] ??= _getColorLight(0.2);
}
Color get lightColor {
_colorCache[this] ??= {};
return _colorCache[this]![0.4] ??= _getColorLight(0.4);
}
}