Add Typesetter
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@@ -12,7 +12,10 @@ extension Math {
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var lowerLimitGap: CGFloat = 0 { didSet { updateLowerLimitPosition() } }
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var extraPadding: CGFloat = 0
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init(nucleus: DisplayNode?, upperLimit: DisplayList?, lowerLimit: DisplayList?, limitShift: CGFloat, extraPadding: CGFloat) {
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init(
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nucleus: DisplayNode?, upperLimit: DisplayList?, lowerLimit: DisplayList?,
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limitShift: CGFloat, extraPadding: CGFloat
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) {
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self.upperLimit = upperLimit
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self.lowerLimit = lowerLimit
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self.nucleus = nucleus
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@@ -29,7 +32,8 @@ extension Math {
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get {
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guard let nucleus else { return 0 }
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if let upperLimit {
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return nucleus.ascent + extraPadding + upperLimit.ascent + upperLimitGap + upperLimit.descent
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return nucleus.ascent + extraPadding + upperLimit.ascent + upperLimitGap
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+ upperLimit.descent
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}
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return nucleus.ascent
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}
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@@ -40,7 +44,8 @@ extension Math {
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get {
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guard let nucleus else { return 0 }
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if let lowerLimit {
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return nucleus.descent + extraPadding + lowerLimitGap + lowerLimit.descent + lowerLimit.ascent
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return nucleus.descent + extraPadding + lowerLimitGap + lowerLimit.descent
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+ lowerLimit.ascent
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}
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return nucleus.descent
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}
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