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embedded GlyphPart within MathTable, MTTypesetter is not yet using this GlyphPart.

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This commit is contained in:
Peter Tang
2023-09-12 08:28:24 +08:00
parent 018ce0cd08
commit d1c4ac77a6
1 changed files with 19 additions and 17 deletions
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36
Sources/SwiftMath/MathBundle/MathTable.swift
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@@ -8,23 +8,6 @@
import Foundation
import CoreText
// struct GlyphPart {
// /// The glyph that represents this part
// var glyph: CGGlyph!
//
// /// Full advance width/height for this part, in the direction of the extension in points.
// var fullAdvance: CGFloat = 0
//
// /// Advance width/ height of the straight bar connector material at the beginning of the glyph in points.
// var startConnectorLength: CGFloat = 0
//
// /// Advance width/ height of the straight bar connector material at the end of the glyph in points.
// var endConnectorLength: CGFloat = 0
//
// /// If this part is an extender. If set, the part can be skipped or repeated.
// var isExtender: Bool = false
// }
/** This class represents the Math table of an open type font.
The math table is documented here: https://www.microsoft.com/typography/otspec/math.htm
@@ -306,3 +289,22 @@ internal struct MathTable {
}
}
extension MathTable {
struct GlyphPart {
/// The glyph that represents this part
var glyph: CGGlyph!
/// Full advance width/height for this part, in the direction of the extension in points.
var fullAdvance: CGFloat = 0
/// Advance width/ height of the straight bar connector material at the beginning of the glyph in points.
var startConnectorLength: CGFloat = 0
/// Advance width/ height of the straight bar connector material at the end of the glyph in points.
var endConnectorLength: CGFloat = 0
/// If this part is an extender. If set, the part can be skipped or repeated.
var isExtender: Bool = false
}
}