PeachDrawing.Text
PeachDrawing.Text.Shaping.ShapeSettings
ShapeSettings.JoiningForms Property
For a run of a joining script, the positional form of each character, one for each code point, as Resolve(IReadOnlyList<int>) returns them; otherwise null.
public System.Collections.Generic.IReadOnlyList<PeachDrawing.Text.Unicode.ArabicJoiningForm>? JoiningForms { get; init; }