init

lib.typ

@@ -0,0 +1,64 @@
+
+
+#let open = text(size: 2em, "\u{25CB}")
+#let close = text(size: 2em, "\u{25CF}")
+#let half = text(size: 2em, "\u{25D0}")
+
+#let note_to_tab = (
+  "D": (
+    "A": (close, close, open, open, open, open),
+    "B": (close, open, open, open, open, open),
+    "C": (open, close, close, open, open, open),
+    "C#": (open, open, open, open, open, open),
+    "D": (close, close, close, close, close, close),
+    "E": (close, close, close, close, close, open),
+    //"F": ()
+    "F#": (close, close, close, close, open, open),
+    "G": (close, close, close, open, open, open),
+    "A+": (close, close, open, open, open, open),
+    "B+": (close, open, open, open, open, open),
+    "C+": (open, close, close, close, open, open),
+    "C#+": (open, close, close, open, open, open),
+    "D+": (open, close, close, close, close, close),
+    "E+": (close, close, close, close, close, open),
+    "F#+": (close, close, close, close, open, open),
+    "G+": (close, close, close, open, open, open),
+  )
+)
+
+#let tabs(key: "D", notes) = {
+  let dic = note_to_tab.at(key)
+  let tab = ()
+  let i = 0
+  while i < notes.len() {
+    let j = i + 1
+    while j < notes.len() and notes.at(j) in "#+"{
+      j = j + 1
+    }
+    let note = notes.slice(i, j)
+    let (name, octave) = if notes.at(j - 1) == "+" {
+      (notes.slice(i, j - 1), "+")
+    } else {
+      (note, " ")
+    }
+    if note == " " {
+      tab.push((" ",)*8)
+    } else {
+      tab.push((..dic.at(note), octave, name))
+    }
+    i = j
+  }
+
+  grid(
+    columns: (1.5em,)*tab.len(),
+    rows: (1.2em,)*8,
+    row-gutter: (0em, 0em, .5em, 0em, 0em, .4em, 0em),
+    //stroke: black,
+    align: center+horizon,
+    ..for i in range(8) {
+      for t in tab {
+        (t.at(i),)
+      }
+    }
+  )
+}