added all-bit-i config option

src/config.typ

@@ -22,7 +22,8 @@
   left-labels: false,
   width: 1200,
   height: 800,
-  full-page: false
+  full-page: false,
+  all-bit-i: true
 ) = {
   return (
     default-font-family: default-font-family,
@@ -48,7 +49,8 @@
     left-labels: left-labels,
     width: width,
     height: height,
-    full-page: full-page
+    full-page: full-page,
+    all-bit-i: all-bit-i
   )
 }
 

src/renderer.typ

@@ -356,14 +356,27 @@
   // Draw rectangle around structure
   shapes += draw-rect(border-col, bits-x, bits-y, bits-width, bit-h, thickness: 2)
 
+  let indices = range(struct.bits)
+  if not config.all-bit-i {
+    indices = ()
+    for r in struct.ranges.values() {
+      indices.push(r.start)
+      indices.push(r.end)
+    }
+  }
+
   for i in range(struct.bits) {
     let bit-x = ox + i * bit-w
-    shapes += draw-text(
-      str(struct.bits - i - 1 + start-bit),
-      txt-col,
-      bit-x + bit-w / 2,
-      oy + bit-h / 2 
-    )
+    let real-i = struct.bits - i - 1 + start-bit
+
+    if real-i in indices {
+      shapes += draw-text(
+        str(real-i),
+        txt-col,
+        bit-x + bit-w / 2,
+        oy + bit-h / 2 
+      )
+    }
 
     // Draw separator
     if i != 0 {