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path_close.ml
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path_close.ml
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(* This file is part of the tutorial
http://cairo.forge.ocamlcore.org/tutorial/
*)
let () =
let surface = Cairo.Image.create Cairo.Image.ARGB32 ~w:120 ~h:120 in
let cr = Cairo.create surface in
(* Examples are in 1.0 x 1.0 coordinate space *)
Cairo.scale cr 120. 120.;
(* Drawing code goes here *)
Cairo.set_line_width cr 0.05;
Cairo.set_source_rgb cr 0. 0. 0.;
Cairo.move_to cr 0.25 0.25;
Cairo.line_to cr 0.5 0.375;
Cairo.rel_line_to cr 0.25 (-0.125);
let pi_4 = atan 1. in
Cairo.arc cr 0.5 0.5 ~r:(0.25 *. sqrt 2.) ~a1:(-. pi_4) ~a2:pi_4;
Cairo.rel_curve_to cr (-0.25) (-0.125) (-0.25) 0.125 (-0.5) 0.;
Cairo.Path.close cr;
Cairo.stroke cr;
(* Write output *)
Cairo.PNG.write surface "path_close.png"