createMaterialColor function

MaterialColor createMaterialColor(Color color)

Implementation

MaterialColor createMaterialColor(Color color) {
  try {
    List strengths = <double>[.05];
    final swatch = <int, Color>{};
    final int r = color.red, g = color.green, b = color.blue;

    for (int i = 1; i < 10; i++) {
        strengths.add(0.1 * i);
      }
    for (var strength in strengths) {
        final double ds = 0.5 - strength;
        swatch[(strength * 1000).round()] = Color.fromRGBO(
          r + ((ds < 0 ? r : (255 - r)) * ds).round(),
          g + ((ds < 0 ? g : (255 - g)) * ds).round(),
          b + ((ds < 0 ? b : (255 - b)) * ds).round(),
          1,
        );
      }
    return MaterialColor(color.value, swatch);
  } catch (e) {
    if (kDebugMode) {
      print(e);
    }
    return const MaterialColor(0xFFFFFFFF, <int, Color>{});
  }
}