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-rw-r--r--src/Color.ml38
1 files changed, 0 insertions, 38 deletions
diff --git a/src/Color.ml b/src/Color.ml
deleted file mode 100644
index d2f74c4..0000000
--- a/src/Color.ml
+++ /dev/null
@@ -1,38 +0,0 @@
-let from_sRGB sRGB =
- if sRGB <= 0.03928 then
- sRGB /. 12.92
- else
- ((sRGB +. 0.055) /. 1.055) ** 2.4
-
-type rgb =
- { r: float
- ; g: float
- ; b: float
- }
-
-(* https://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef *)
-let relativeLuminance (c: rgb) =
- 0.2126 *. from_sRGB (c.r /. 255.) +. 0.7152 *. from_sRGB (c.g /. 255.) +. 0.0722 *. from_sRGB (c.b /. 255.)
-
-(* https://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrastratio *)
-let contrast_ratio (c1: rgb) (c2: rgb) =
- let rl1 = relativeLuminance c1 in
- let rl2 = relativeLuminance c2 in
-
- if (rl1 > rl2) then
- (rl1 +. 0.05) /. (rl2 +. 0.05)
- else
- (rl2 +. 0.05) /. (rl1 +. 0.05)
-
-let from_raw color =
- let get_opt = function | Some x -> x | None -> raise (Invalid_argument "Option.get") in
- let div = H.div [| HA.style ("color: " ^ color) |] [| |] in
- let body = Document.query_selector_unsafe "body" in
- let () = Element.append_child body div in
- let rgb = [%raw {| window.getComputedStyle(div).color |}] in
- let () = Element.remove_child body div in
- let xs = Js.String.split ", " (get_opt (Js.String.splitByRe [%re "/[()]/"] rgb).(1)) in
- { r = Js.Float.fromString xs.(0)
- ; g = Js.Float.fromString xs.(1)
- ; b = Js.Float.fromString xs.(2)
- }