55 lines
1.7 KiB
Swift
55 lines
1.7 KiB
Swift
//
|
|
// FontStyle.swift
|
|
// VDS
|
|
//
|
|
// Created by Matt Bruce on 7/27/22.
|
|
//
|
|
|
|
import Foundation
|
|
import UIKit
|
|
|
|
public protocol FontProtocol: CaseIterable, RawRepresentable, Hashable {
|
|
var fontFileExtension: String { get }
|
|
var fontName: String { get }
|
|
}
|
|
|
|
extension FontProtocol {
|
|
public func register() {
|
|
guard let bundle = Bundle(identifier: "com.vzw.vds") else { return }
|
|
Self.allCases.forEach{ font in
|
|
if let url = bundle.url(forResource: font.fontName, withExtension: font.fontFileExtension){
|
|
do{
|
|
try Self.register(from: url)
|
|
} catch{
|
|
//TODO: error ("Font called \(font.fontName).\(font.fontFileExtension) couldn't be registered")
|
|
}
|
|
} else {
|
|
//TODO: error ("Font for FontStyle: \(font) couldn't be found")
|
|
}
|
|
}
|
|
}
|
|
|
|
public static func register(from url: URL) throws {
|
|
guard let fontDataProvider = CGDataProvider(url: url as CFURL) else {
|
|
throw NSError(domain: "www.verizon.com", code: 123, userInfo: ["description":"Could not create font data provider for \(url)."])
|
|
}
|
|
let font = CGFont(fontDataProvider)
|
|
var error: Unmanaged<CFError>?
|
|
guard CTFontManagerRegisterGraphicsFont(font!, &error) else {
|
|
throw error!.takeUnretainedValue()
|
|
}
|
|
}
|
|
|
|
public func font(ofSize size: CGFloat, isScaled: Bool = true) -> UIFont{
|
|
DispatchQueue.once(block: { self.register() })
|
|
guard let found = UIFont(name: self.fontName, size: size) else { return .systemFont(ofSize: size) }
|
|
return found
|
|
}
|
|
}
|
|
|
|
extension UIFont {
|
|
public var scaledFont: UIFont {
|
|
UIFontMetrics.default.scaledFont(for: self)
|
|
}
|
|
}
|