52 lines
1.6 KiB
Dart
52 lines
1.6 KiB
Dart
import 'dart:io' show Platform;
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import 'package:fluent_ui/fluent_ui.dart' as fluent;
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import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:flutter/material.dart';
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/// Windows平台检测与Fluent UI主题工具
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class PlatformUtils {
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/// Web平台不支持dart:io，需先排除
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static bool get isWindows => !kIsWeb && Platform.isWindows;
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/// 根据当前Material主题生成对应的FluentThemeData
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static fluent.FluentThemeData getFluentTheme(BuildContext context) {
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final materialTheme = Theme.of(context);
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final brightness = materialTheme.brightness;
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final primary = materialTheme.colorScheme.primary;
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// 根据primary color构建AccentColor渐变色阶
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final accent = fluent.AccentColor.swatch({
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'darkest': _darken(primary, 0.4),
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'darker': _darken(primary, 0.2),
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'dark': _darken(primary, 0.1),
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'normal': primary,
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'light': _lighten(primary, 0.15),
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'lighter': _lighten(primary, 0.3),
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'lightest': _lighten(primary, 0.5),
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});
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return fluent.FluentThemeData(
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brightness: brightness,
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accentColor: accent,
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scaffoldBackgroundColor: brightness == Brightness.dark
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? const Color(0xff202020)
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: const Color(0xfff3f3f3),
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);
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}
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static Color _darken(Color color, double amount) {
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final hsl = HSLColor.fromColor(color);
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return hsl
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.withLightness((hsl.lightness - amount).clamp(0.0, 1.0))
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.toColor();
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}
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static Color _lighten(Color color, double amount) {
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final hsl = HSLColor.fromColor(color);
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return hsl
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.withLightness((hsl.lightness + amount).clamp(0.0, 1.0))
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.toColor();
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}
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}
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