Files
swiftui-math/Sources/SwiftMath/MathRender/MTFontManager.swift
2023-01-20 10:54:45 -05:00

56 lines
1.5 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 var manager:MTFontManager? = nil
let kDefaultFontSize = CGFloat(20)
static var fontManager : MTFontManager {
if manager == nil {
manager = MTFontManager()
}
return manager!
}
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 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)
}
}