// Every built-in primitive at known dimensions (SPEC ยง7).
layout: grid; columns: repeat(4); gap: 20; padding: 20;
|box| { width: 80; height: 40; cell: 1 1; "box" }
|oval| { width: 80; height: 40; cell: 2 1; "oval" }
|hex| { width: 80; height: 60; cell: 3 1; "hex" }
|slant| { width: 80; height: 40; skew: 20; cell: 4 1; "slant" }
|cyl| { width: 70; height: 70; cell: 1 2; "cyl" }
|diamond| { width: 60; height: 60; cell: 2 2; "diamond" }
|cloud| { width: 100; height: 60; cell: 3 2; "cloud" }
|poly| { points: 0 -30, 30 30, -30 30; cell: 4 2; }
|plain| { cell: 1 3; "text" }
|line| { points: -30 0, 30 0; cell: 2 3; }
|line| { points: -30 0, 30 0; marker-end: arrow; cell: 3 3; }
|icon| { width: 32; height: 32; cell: 4 3; "star" }
|path| { path: "M -25 -15 Q 0 -35 25 -15 L 25 15 Q 0 35 -25 15 Z"; cell: 1 4; }
|image| { src: "img/example.png"; width: 60; height: 40; cell: 2 4; }