buildTheme method
Implementation
@override
ThemeData buildTheme(Brightness brightness) => ThemeData(
colorScheme: (scheme ??
ContrastedColorScheme(
light: ColorSchemes.lightZinc(),
dark: ColorSchemes.darkZinc()))
.scheme(brightness)
.spin(spin)
.contrast(contrast),
radius: radius,
scaling: scaling,
surfaceOpacity: surfaceOpacity,
surfaceBlur: surfaceBlur,
);