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color-helper.nix (535B)

      1 lib: r: g: b: a:
      2 let
      3   s = toString;
      4   toUnsignedInt = n: lib.toInt (builtins.head (builtins.match "^([0-9]*).*$" (builtins.toString n)));
      5   toHex = n: builtins.head (builtins.match "^.*(.{2})$" "0${lib.toHexString (toUnsignedInt n)}");
      6   xr = toHex r;
      7   xg = toHex g;
      8   xb = toHex b;
      9   xa = toHex (a * 255);
     10 in
     11 {
     12   inherit
     13     r
     14     g
     15     b
     16     a
     17     xr
     18     xg
     19     xb
     20     xa
     21     ;
     22   rgba = "rgba(${s r},${s g},${s b},${s a})";
     23   rgbaHex = "rgba(${xr}${xg}${xb}${xa})";
     24   hex = "${xr}${xg}${xb}";
     25   hexRgba = "${xr}${xg}${xb}${xa}";
     26 }