createYaruDarkTheme function

ThemeData createYaruDarkTheme({
  1. required Color primaryColor,
  2. Color? elevatedButtonColor,
  3. Color? elevatedButtonTextColor,
  4. bool? useMaterial3 = true,
  5. bool highContrast = false,
})

Helper function to create a new Yaru dark theme

Implementation

ThemeData createYaruDarkTheme({
  required Color primaryColor,
  Color? elevatedButtonColor,
  Color? elevatedButtonTextColor,
  bool? useMaterial3 = true,
  bool highContrast = false,
}) {
  final secondary = primaryColor.scale(lightness: -0.3, saturation: -0.15);
  final secondaryContainer = primaryColor
      .scale(lightness: -0.6, saturation: -0.75)
      .capDown(lightness: .175);
  final tertiary = primaryColor.scale(lightness: -0.5, saturation: -0.25);
  final tertiaryContainer = primaryColor
      .scale(lightness: -0.5, saturation: -0.65)
      .capDown(lightness: .2);

  final colorScheme = ColorScheme.fromSeed(
    seedColor: primaryColor,
    error: YaruColors.dark.error,
    onError: Colors.white,
    brightness: Brightness.dark,
    primary: primaryColor,
    primaryContainer: YaruColors.coolGrey,
    onPrimary: contrastColor(primaryColor),
    onPrimaryContainer: YaruColors.porcelain,
    inversePrimary: YaruColors.porcelain,
    secondary: secondary,
    onSecondary: contrastColor(primaryColor.scale(lightness: -0.25)),
    secondaryContainer: secondaryContainer,
    onSecondaryContainer: Colors.white,
    background: YaruColors.darkJet,
    onBackground: YaruColors.porcelain,
    surface: YaruColors.jet,
    onSurface: YaruColors.porcelain,
    inverseSurface: YaruColors.porcelain,
    onInverseSurface: YaruColors.inkstone,
    surfaceTint: YaruColors.coolGrey,
    surfaceVariant: const Color.fromARGB(255, 34, 34, 34),
    tertiary: tertiary,
    onTertiary: YaruColors.porcelain,
    tertiaryContainer: tertiaryContainer,
    onTertiaryContainer: YaruColors.porcelain,
    onSurfaceVariant: YaruColors.warmGrey,
    outline: const Color.fromARGB(255, 68, 68, 68),
    outlineVariant: Colors.white,
    scrim: Colors.black,
  );
  return createYaruTheme(
    colorScheme: colorScheme,
    dividerColor: colorScheme.isHighContrast ? null : kDividerColorDark,
    elevatedButtonColor: elevatedButtonColor,
    elevatedButtonTextColor: elevatedButtonTextColor,
    useMaterial3: useMaterial3,
  );
}