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Updated comments and minor fixes.

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This commit is contained in:
Michael Griebling
2023-01-20 10:54:45 -05:00
parent 648905173f
commit f23a5b9fb5
19 changed files with 765 additions and 596 deletions
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22
Sources/SwiftMath/MathRender/MTFont.swift
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@@ -1,17 +1,11 @@
//
// MTFont.swift
// MathRenderSwift
//
// Created by Mike Griebling on 2022-12-31.
//
import Foundation
import CoreGraphics
import CoreText
//
// Created by Kostub Deshmukh on 5/18/16.
// Modified by Michael Griebling on 17 Jan 2023.
// 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.
@@ -26,10 +20,10 @@ public class MTFont {
init() {}
/// `MTFont(fontWithName:)` does not load the complete math font, it only has about half the glyphs of the full math font.
/// In particular it does not have the math italic characters which breaks our variable rendering.
/// So we first load a CGFont from the file and then convert it to a CTFont.
convenience init(fontWithName name: String, size:CGFloat) {
// CTFontCreateWithName does not load the complete math font, it only has about half the glyphs of the full math font.
// In particular it does not have the math italic characters which breaks our variable rendering.
// So we first load a CGFont from the file and then convert it to a CTFont.
self.init()
print("Loading font \(name)")
let bundle = MTFont.fontBundle
@@ -51,7 +45,8 @@ public class MTFont {
Bundle(url: Bundle.module.url(forResource: "mathFonts", withExtension: "bundle")!)!
}
func copy(withSize size: CGFloat) -> MTFont {
/** Returns a copy of this font but with a different size. */
public func copy(withSize size: CGFloat) -> MTFont {
let newFont = MTFont()
newFont.defaultCGFont = self.defaultCGFont
newFont.ctFont = CTFontCreateWithGraphicsFont(self.defaultCGFont, size, nil, nil)
@@ -69,6 +64,7 @@ public class MTFont {
defaultCGFont.getGlyphWithGlyphName(name: name as CFString)
}
var fontSize:CGFloat { CTFontGetSize(self.ctFont) }
/** The size of this font in points. */
public var fontSize:CGFloat { CTFontGetSize(self.ctFont) }
}