added various participant types/icons

src/renderer.typ

@@ -53,15 +53,15 @@
   }
 
   // Compute column widths
-  // Compute minimum widths for participant names
+  // Compute minimum widths for participant names and shapes
   let widths = ()
   for i in range(participants.len() - 1) {
     let p1 = participants.at(i)
     let p2 = participants.at(i + 1)
-    let w1 = if p1.invisible {0pt} else {measure(box(p1.display-name)).width}
-    let w2 = if p2.invisible {0pt} else {measure(box(p2.display-name)).width}
-    w1 += PAR-PAD.last() * 2
-    w2 += PAR-PAD.last() * 2
+    let m1 = participant.get-size(p1)
+    let m2 = participant.get-size(p2)
+    let w1 = m1.width
+    let w2 = m2.width
     widths.push(w1 / 2pt + w2 / 2pt + PAR-SPACE)
   }
 
@@ -267,14 +267,7 @@
       }
 
       // Draw participants (end)
-      draw.content(
-        (x, y),
-        p.display-name,
-        name: p.name,
-        frame: "rect",
-        padding: PAR-PAD,
-        anchor: "north"
-      )
+      draw-par(p, y: y, bottom: true)
     }
   })