20 lines
519 B
OCaml
20 lines
519 B
OCaml
open Graphics
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let round x =
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int_of_float (floor (x +. 0.5))
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let () =
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open_graph "";
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let cols = size_x () in
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let rows = size_y () in
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let colors = [| black; red; green; blue; magenta; cyan; yellow; white |] in
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let n = Array.length colors in
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let bar_width = (float cols) /. (float n) in
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Array.iteri (fun i color ->
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let x1 = bar_width *. (float i) in
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let x2 = bar_width *. (float (succ i)) in
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set_color color;
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fill_rect (round x1) 0 (round x2) rows;
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) colors;
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ignore (read_key ());
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;;
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