Files
swiftui-math/Sources/SwiftMath/MathRender/MTFontManager.swift
2023-09-12 07:18:44 +08:00

65 lines
1.8 KiB
Swift

//
// Created by Mike Griebling on 2022-12-31.
// Translated from an Objective-C implementation by Kostub Deshmukh.
//
// This software may be modified and distributed under the terms of the
// MIT license. See the LICENSE file for details.
//
import Foundation
public class MTFontManager {
static public private(set) var manager: MTFontManager = {
MTFontManager()
}()
let kDefaultFontSize = CGFloat(20)
static var fontManager : MTFontManager {
return manager
}
public init() { }
var nameToFontMap = [String: MTFont]()
public func font(withName name:String, size:CGFloat) -> MTFont? {
var f = self.nameToFontMap[name]
if f == nil {
f = MTFont(fontWithName: name, size: size)
self.nameToFontMap[name] = f
}
if f!.fontSize == size { return f }
else { return f!.copy(withSize: size) }
}
public func latinModernFont(withSize size:CGFloat) -> MTFont? {
MTFontManager.fontManager.font(withName: "latinmodern-math", size: size)
}
public func kpMathLightFont(withSize size:CGFloat) -> MTFont? {
MTFontManager.fontManager.font(withName: "KpMath-Light", size: size)
}
public func kpMathSansFont(withSize size:CGFloat) -> MTFont? {
MTFontManager.fontManager.font(withName: "KpMath-Sans", size: size)
}
public func xitsFont(withSize size:CGFloat) -> MTFont? {
MTFontManager.fontManager.font(withName: "xits-math", size: size)
}
public func termesFont(withSize size:CGFloat) -> MTFont? {
MTFontManager.fontManager.font(withName: "texgyretermes-math", size: size)
}
public var defaultFont: MTFont? {
MTFontManager.fontManager.latinModernFont(withSize: kDefaultFontSize)
}
}