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(* This file is part of the tutorial
http://cairo.forge.ocamlcore.org/tutorial/
*)
let two_pi = 8. *. atan 1.
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 0.1;
Cairo.save cr;
Cairo.scale cr 0.5 1.;
Cairo.arc cr 0.5 0.5 ~r:0.40 ~a1:0. ~a2:two_pi;
Cairo.stroke cr;
Cairo.translate cr 1. 0.;
Cairo.arc cr 0.5 0.5 ~r:0.40 ~a1:0. ~a2:two_pi;
Cairo.restore cr;
Cairo.stroke cr;
(* Write output *)
Cairo.PNG.write surface "tips_ellipse.png"
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