124 lines
4.2 KiB
Swift
124 lines
4.2 KiB
Swift
//
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// UIFont+Extension.swift
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// DLSDK
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//
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// Created by osell on 2023/4/11.
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//
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import UIKit
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// MARK: - 注册自定义字体数据
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public extension UIFont {
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/// 自定义字体样式
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/// - Parameters:
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/// - style: 字体样式
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/// - size: 字体大小
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convenience init?<Style: FontPlugin>(custom style: Style, size: CGFloat) {
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var name = style.name
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if UIFont.fontNames(forFamilyName: style.name).isEmpty,
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let fontName = UIFont.loadFontName(style.fileName) {
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name = fontName
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}
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self.init(name: name, size: size)
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}
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/// 自定义字体样式
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/// - Parameters:
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/// - style: 字体样式
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/// - size: 字体大小
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/// - Returns: UIFont
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static func customFont<Style: FontPlugin>(style: Style, size: CGFloat) -> UIFont? {
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UIFont(custom: style, size: size)
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}
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/// 加载本地自定义字体
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/// - Parameter name: 字体文件名称（可含扩展名，如 `xxx.ttf`）
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/// - Returns: 注册后的字体 Full Name（可用于 `UIFont(name:)`）
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public static func loadFontName(_ fileName: String) -> String? {
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let nsName = fileName as NSString
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let resource = nsName.deletingPathExtension
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let ext = nsName.pathExtension
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let fontURL: URL?
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if ext.isEmpty {
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fontURL = Bundle.main.url(forResource: fileName, withExtension: nil)
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} else {
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fontURL = Bundle.main.url(forResource: resource, withExtension: ext)
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?? Bundle.main.url(forResource: fileName, withExtension: nil)
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}
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guard let fontURL,
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let data = try? Data(contentsOf: fontURL),
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let provider = CGDataProvider(data: data as CFData),
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let font = CGFont(provider) else { return nil }
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var error: Unmanaged<CFError>?
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CTFontManagerRegisterGraphicsFont(font, &error)
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// Full Name 比损坏的 PostScript Name 更可靠
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if let full = font.fullName as String?, !full.isEmpty {
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return full
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}
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if let ps = font.postScriptName as String?, !ps.isEmpty, !ps.hasPrefix("-") {
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return ps
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}
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return nil
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}
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}
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// MARK: - Montserrat
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//public extension UIFont {
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//
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// static func montserratLight(size: CGFloat) -> UIFont {
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// Montserrat.light.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .light)
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// }
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//
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// static func montserratRegular(size: CGFloat) -> UIFont {
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// Montserrat.regular.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .regular)
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// }
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//
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// static func montserratMedium(size: CGFloat) -> UIFont {
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// Montserrat.medium.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .medium)
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// }
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//
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// static func montserratSemiBold(size: CGFloat) -> UIFont {
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// Montserrat.semiBold.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .semibold)
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// }
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//
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// static func montserratBold(size: CGFloat) -> UIFont {
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// Montserrat.bold.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .bold)
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// }
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//}
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// MARK: - DINPro
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//public extension UIFont {
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//
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// static func dinProLight(size: CGFloat) -> UIFont {
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// DINPro.light.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .light)
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// }
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//
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// static func dinProRegular(size: CGFloat) -> UIFont {
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// DINPro.regular.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .regular)
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// }
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//
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// static func dinProMedium(size: CGFloat) -> UIFont {
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// DINPro.medium.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .medium)
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// }
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//
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// static func dinProBlack(size: CGFloat) -> UIFont {
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// DINPro.black.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .black)
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// }
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//
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// static func dinProBold(size: CGFloat) -> UIFont {
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// DINPro.bold.font(ofSize: size) ?? UIFont.systemFont(ofSize: size, weight: .bold)
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// }
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//}
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// MARK: - FontPlugin
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public protocol FontPlugin {
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/// 字体名称
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var name: String { get }
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/// 字体文件名
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var fileName: String { get }
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/// 返回该类型大小字体
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func font(ofSize: CGFloat) -> UIFont?
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}
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