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add a fallback font system to render CJK text in the \text command

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This commit is contained in:
Nicolas Guillot
2025-10-01 14:11:00 +02:00
parent b67cc8fd38
commit 11f57f7c6e
6 changed files with 347 additions and 13 deletions
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10
Sources/SwiftMath/MathRender/MTFont.swift Executable file → Normal file
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@@ -11,12 +11,18 @@ import CoreText
//
public class MTFont {
var defaultCGFont: CGFont!
var ctFont: CTFont!
var mathTable: MTFontMathTable?
var rawMathTable: NSDictionary?
/// Fallback font for characters not supported by the main math font.
/// Defaults to the system font at the same size. This is particularly useful
/// for rendering text in \text{} commands with characters outside the math font's coverage
/// (e.g., Chinese, Japanese, Korean, emoji, etc.)
public var fallbackFont: CTFont?
init() {}
/// `MTFont(fontWithName:)` does not load the complete math font, it only has about half the glyphs of the full math font.