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Fixed a glyph lookup crash.

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This commit is contained in:
Michael Griebling
2023-01-17 14:13:04 -05:00
parent e4ba232a5f
commit 2dd0fac5a8
1 changed files with 6 additions and 6 deletions
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12
Sources/SwiftMathRender/MathRender/MTFontMathTable.swift
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@@ -201,22 +201,22 @@ class MTFontMathTable {
return self.getVariantsForGlyph(glyph, inDictionary:variants)
}
func getVariantsForGlyph(_ glyph: CGGlyph, inDictionary variants:NSDictionary?) -> [NSNumber?] {
func getVariantsForGlyph(_ glyph: CGGlyph, inDictionary variants:NSDictionary?) -> [NSNumber] {
let glyphName = self.font!.get(nameForGlyph: glyph)
let variantGlyphs = variants![glyphName] as! NSArray?
let glyphArray = NSMutableArray(capacity: variantGlyphs!.count)
var glyphArray = [NSNumber]()
if variantGlyphs == nil {
// There are no extra variants, so just add the current glyph to it.
let glyph = self.font!.get(glyphWithName: glyphName)
glyphArray.add(glyph as Any)
return glyphArray as! [NSNumber?]
glyphArray.append(NSNumber(value:glyph))
return glyphArray
}
for gvn in variantGlyphs! {
let glyphVariantName = gvn as! String?
let variantGlyph = self.font?.get(glyphWithName: glyphVariantName!)
glyphArray.add(variantGlyph as Any)
glyphArray.append(NSNumber(value:variantGlyph!))
}
return glyphArray as! [NSNumber?]
return glyphArray
}
/** Returns a larger vertical variant of the given glyph if any.