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// Test polygons.
--- polygon ---
#set page(width: 50pt)
#set polygon(stroke: 0.75pt, fill: blue)
// These are not visible, but should also not give an error
#polygon()
#polygon((0em, 0pt))
#polygon((0pt, 0pt), (10pt, 0pt))
#polygon.regular(size: 0pt, vertices: 9)
#polygon((5pt, 0pt), (0pt, 10pt), (10pt, 10pt))
#polygon(
(0pt, 0pt), (5pt, 5pt), (10pt, 0pt),
(15pt, 5pt),
(5pt, 10pt)
)
#polygon(stroke: none, (5pt, 0pt), (0pt, 10pt), (10pt, 10pt))
#polygon(stroke: 3pt, fill: none, (5pt, 0pt), (0pt, 10pt), (10pt, 10pt))
// Relative size
#polygon((0pt, 0pt), (100%, 5pt), (50%, 10pt))
// Antiparallelogram
#polygon((0pt, 5pt), (5pt, 0pt), (0pt, 10pt), (5pt, 15pt))
// Self-intersections
#polygon((0pt, 10pt), (30pt, 20pt), (0pt, 30pt), (20pt, 0pt), (20pt, 35pt))
#polygon(fill-rule: "non-zero", (0pt, 10pt), (30pt, 20pt), (0pt, 30pt), (20pt, 0pt), (20pt, 35pt))
#polygon(fill-rule: "even-odd", (0pt, 10pt), (30pt, 20pt), (0pt, 30pt), (20pt, 0pt), (20pt, 35pt))
// Regular polygon; should have equal side lengths
#for k in range(3, 9) {polygon.regular(size: 30pt, vertices: k,)}
--- polygon-line-join ---
// Line joins
#stack(
dir: ltr,
spacing: 1em,
polygon(stroke: (thickness: 4pt, paint: blue, join: "round"),
(0pt, 20pt), (15pt, 0pt), (0pt, 40pt), (15pt, 45pt)),
polygon(stroke: (thickness: 4pt, paint: blue, join: "bevel"),
(0pt, 20pt), (15pt, 0pt), (0pt, 40pt), (15pt, 45pt)),
polygon(stroke: (thickness: 4pt, paint: blue, join: "miter"),
(0pt, 20pt), (15pt, 0pt), (0pt, 40pt), (15pt, 45pt)),
polygon(stroke: (thickness: 4pt, paint: blue, join: "miter", miter-limit: 20.0),
(0pt, 20pt), (15pt, 0pt), (0pt, 40pt), (15pt, 45pt)),
)
--- polygon-bad-point-array ---
// Error: 10-17 point array must contain exactly two entries
#polygon((50pt,))
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