minor style improvements

gallery.bash

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+
+echo
+echo "Generating gallery PDFs"
+
+set -- ./gallery/*.typ
+cnt="$#"
+i=1
+for f
+do
+    f2="${f/typ/pdf}"
+    echo "($i/$cnt) $f -> $f2"
+    typst c --root ./ "$f" "$f2"
+    i=$((i+1))
+done

src/consts.typ

@@ -2,6 +2,7 @@
 #let PAR-SPACE = 10
 #let COMMENT-PAD = 8
 #let LIFELINE-W = 10
+#let CREATE-OFFSET = 15
 
 #let SYM-GAP = 5
 #let PAR-PAD = (5pt, 3pt)

src/group.typ

@@ -44,7 +44,7 @@
   if group.desc != none {
     shapes += draw.content(
       (x0 + w, y0),
-      text([\[#group.desc\]], weight: "bold"),
+      text([\[#group.desc\]], weight: "bold", size: .8em),
       anchor: "north-west",
       padding: 3pt
     )

src/renderer.typ

@@ -340,7 +340,11 @@
             draw.line(
               (x, last-y),
               (x, line.at(1)),
-              stroke: (dash: "dashed", paint: gray.darken(40%))
+              stroke: (
+                dash: "dashed",
+                paint: gray.darken(40%),
+                thickness: .5pt
+              )
             )
           }
           lines.push(line)
@@ -368,7 +372,11 @@
       draw.line(
         (x, last-y),
         (x, y),
-        stroke: (dash: "dashed", paint: gray.darken(40%))
+        stroke: (
+          dash: "dashed",
+          paint: gray.darken(40%),
+          thickness: .5pt
+        )
       )
 
       // Draw lifeline rectangles (reverse for bottom to top)

src/sequence.typ

@@ -120,7 +120,7 @@
     let m = measure(box(par.display-name))
     let f = if i1 > i2 {-1} else {1}
     end-info.x -= (m.width + PAR-PAD.last() * 2) / 2pt * f
-    shapes += participant.render(x-pos, par, y: y)
+    shapes += participant.render(x-pos, par, y: y - CREATE-OFFSET)
   }
 
   end-info.ll-lvl = lifelines.at(i2).level * LIFELINE-W / 2
@@ -146,11 +146,13 @@
   let style = (
     mark: (
       start: get-arrow-marks(elmt.start-tip, elmt.color),
-      end: get-arrow-marks(elmt.end-tip, elmt.color)
+      end: get-arrow-marks(elmt.end-tip, elmt.color),
+      scale: 1.2
     ),
     stroke: (
-      dash: if elmt.dashed {"dashed"} else {"solid"},
-      paint: elmt.color
+      dash: if elmt.dashed {(2pt,2pt)} else {"solid"},
+      paint: elmt.color,
+      thickness: .5pt
     )
   )
 
@@ -217,6 +219,7 @@
     lifelines.at(i2) = dst-line
   }
   if elmt.create-dst {
+    y -= CREATE-OFFSET
     let dst-line = lifelines.at(i2)
     dst-line.lines.push(("create", y))
     lifelines.at(i2) = dst-line