110 lines
4.0 KiB
Swift
110 lines
4.0 KiB
Swift
import SwiftUI
|
||
|
||
// MARK: - 字体库枚举
|
||
/// 定义应用中可用的字体库
|
||
enum FontFamily: String, CaseIterable {
|
||
case quicksandBold = "Quicksand-Bold"
|
||
case quicksandRegular = "Quicksand-Regular"
|
||
case inter = "Inter"
|
||
case lavishlyYours = "LavishlyYours-Regular"
|
||
|
||
/// 获取字体名称
|
||
var name: String {
|
||
return self.rawValue
|
||
}
|
||
}
|
||
|
||
// 为兼容旧代码，提供 `.quicksand` 的别名（已弃用）
|
||
extension FontFamily {
|
||
@available(*, deprecated, message: "Use .quicksandRegular instead.")
|
||
static var quicksand: FontFamily { .quicksandRegular }
|
||
}
|
||
|
||
// MARK: - 文本样式枚举
|
||
/// 定义应用中使用的文本样式类型
|
||
enum TypographyStyle {
|
||
case largeTitle // 大标题
|
||
case smallLargeTitle // 小大标题
|
||
case headline // 大标题
|
||
case headline1 // 大标题1
|
||
case title // 标题
|
||
case title2 // 标题
|
||
case title3 // 标题
|
||
case body // 正文
|
||
case subtitle // 副标题
|
||
case caption // 说明文字
|
||
case footnote // 脚注
|
||
case small // 小号文字
|
||
}
|
||
|
||
// MARK: - 字体配置结构体
|
||
private struct TypographyConfig {
|
||
let size: CGFloat
|
||
let weight: UIFont.Weight
|
||
let textStyle: UIFont.TextStyle
|
||
}
|
||
|
||
// MARK: - Typography 管理类
|
||
struct Typography {
|
||
// MARK: - 配置
|
||
|
||
/// 默认字体库
|
||
private static let defaultFontFamily: FontFamily = .quicksandRegular
|
||
|
||
/// 文本样式配置表
|
||
private static let styleConfig: [TypographyStyle: TypographyConfig] = [
|
||
.largeTitle: TypographyConfig(size: 32, weight: .heavy, textStyle: .largeTitle),
|
||
.smallLargeTitle: TypographyConfig(size: 30, weight: .heavy, textStyle: .largeTitle),
|
||
.headline1: TypographyConfig(size: 26, weight: .bold, textStyle: .headline),
|
||
.headline: TypographyConfig(size: 24, weight: .bold, textStyle: .headline),
|
||
.title3: TypographyConfig(size: 22, weight: .semibold, textStyle: .title2),
|
||
.title: TypographyConfig(size: 20, weight: .semibold, textStyle: .title2),
|
||
.title2: TypographyConfig(size: 18, weight: .bold, textStyle: .title2),
|
||
.body: TypographyConfig(size: 16, weight: .regular, textStyle: .body),
|
||
.subtitle: TypographyConfig(size: 14, weight: .medium, textStyle: .subheadline),
|
||
.caption: TypographyConfig(size: 12, weight: .regular, textStyle: .caption1),
|
||
.footnote: TypographyConfig(size: 11, weight: .regular, textStyle: .footnote),
|
||
.small: TypographyConfig(size: 10, weight: .regular, textStyle: .headline)
|
||
]
|
||
|
||
// MARK: - 公共方法
|
||
|
||
/// 获取指定样式和字体库的字体
|
||
/// - Parameters:
|
||
/// - style: 文本样式
|
||
/// - family: 字体库，默认为 nil 使用默认字体库
|
||
/// - Returns: 配置好的 Font 对象
|
||
static func font(for style: TypographyStyle, family: FontFamily? = nil, size: CGFloat? = nil) -> Font {
|
||
let fontFamily = family ?? defaultFontFamily
|
||
guard let config = styleConfig[style] else {
|
||
return .body
|
||
}
|
||
|
||
// 尝试加载自定义字体
|
||
if let customFont = UIFont(name: fontFamily.name, size: size ?? config.size) {
|
||
let metrics = UIFontMetrics(forTextStyle: config.textStyle)
|
||
let scaledFont = metrics.scaledFont(for: customFont)
|
||
return Font(scaledFont)
|
||
}
|
||
|
||
// 如果自定义字体加载失败，回退到系统字体
|
||
let systemFont = UIFont.systemFont(ofSize: size ?? config.size, weight: config.weight)
|
||
let metrics = UIFontMetrics(forTextStyle: config.textStyle)
|
||
let scaledFont = metrics.scaledFont(for: systemFont)
|
||
return Font(scaledFont)
|
||
}
|
||
|
||
/// 获取所有可用的字体库
|
||
/// - Returns: 可用的字体库数组
|
||
static func availableFonts() -> [FontFamily] {
|
||
return FontFamily.allCases
|
||
}
|
||
|
||
/// 检查字体是否可用
|
||
/// - Parameter family: 要检查的字体库
|
||
/// - Returns: 是否可用
|
||
static func isFontAvailable(_ family: FontFamily) -> Bool {
|
||
return UIFont(name: family.name, size: 16) != nil
|
||
}
|
||
}
|