96 lines
3.3 KiB
Swift
96 lines
3.3 KiB
Swift
import SwiftUI
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// MARK: - 字体库枚举
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/// 定义应用中可用的字体库
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enum FontFamily: String, CaseIterable {
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case sankeiCute = "SankeiCutePopanime" // 可爱风格字体
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case quicksand = "Quicksand x" // 主题字体
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case quicksandBold = "Quicksand-Bold"
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case quicksandRegular = "Quicksand-Regular"
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// 后续添加新字体库时在这里添加新 case
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// 例如: case anotherFont = "AnotherFontName"
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/// 获取字体名称
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var name: String {
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return self.rawValue
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}
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}
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// MARK: - 文本样式枚举
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/// 定义应用中使用的文本样式类型
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enum TypographyStyle {
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case headline // 大标题
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case title // 标题
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case body // 正文
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case subtitle // 副标题
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case caption // 说明文字
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case footnote // 脚注
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case small // 小号文字
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}
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// MARK: - 字体配置结构体
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private struct TypographyConfig {
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let size: CGFloat
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let weight: UIFont.Weight
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let textStyle: UIFont.TextStyle
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}
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// MARK: - Typography 管理类
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struct Typography {
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// MARK: - 配置
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/// 默认字体库
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private static let defaultFontFamily: FontFamily = .quicksand
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/// 文本样式配置表
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private static let styleConfig: [TypographyStyle: TypographyConfig] = [
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.headline: TypographyConfig(size: 24, weight: .bold, textStyle: .headline),
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.title: TypographyConfig(size: 20, weight: .semibold, textStyle: .title2),
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.body: TypographyConfig(size: 16, weight: .regular, textStyle: .body),
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.subtitle: TypographyConfig(size: 14, weight: .medium, textStyle: .subheadline),
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.caption: TypographyConfig(size: 12, weight: .light, textStyle: .caption1),
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.footnote: TypographyConfig(size: 11, weight: .regular, textStyle: .footnote),
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.small: TypographyConfig(size: 10, weight: .regular, textStyle: .headline)
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]
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// MARK: - 公共方法
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/// 获取指定样式和字体库的字体
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/// - Parameters:
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/// - style: 文本样式
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/// - family: 字体库，默认为 nil 使用默认字体库
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/// - Returns: 配置好的 Font 对象
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static func font(for style: TypographyStyle, family: FontFamily? = nil) -> Font {
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let fontFamily = family ?? defaultFontFamily
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guard let config = styleConfig[style] else {
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return .body
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}
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// 尝试加载自定义字体
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if let customFont = UIFont(name: fontFamily.name, size: config.size) {
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let metrics = UIFontMetrics(forTextStyle: config.textStyle)
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let scaledFont = metrics.scaledFont(for: customFont)
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return Font(scaledFont)
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}
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// 如果自定义字体加载失败，回退到系统字体
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let systemFont = UIFont.systemFont(ofSize: config.size, weight: config.weight)
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let metrics = UIFontMetrics(forTextStyle: config.textStyle)
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let scaledFont = metrics.scaledFont(for: systemFont)
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return Font(scaledFont)
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}
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/// 获取所有可用的字体库
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/// - Returns: 可用的字体库数组
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static func availableFonts() -> [FontFamily] {
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return FontFamily.allCases
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}
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/// 检查字体是否可用
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/// - Parameter family: 要检查的字体库
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/// - Returns: 是否可用
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static func isFontAvailable(_ family: FontFamily) -> Bool {
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return UIFont(name: family.name, size: 16) != nil
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}
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}
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