nix/util/wallpaper.nix
2023-09-29 00:37:32 +10:00

20 lines
587 B
Nix

{pkgs}: {
palette,
wallpaper,
}: let
str_pal = with pkgs.lib; concatStringsSep " " (builtins.foldl' (acc: el: acc ++ (attrValues el)) [] [palette.normal palette.bright palette.util]);
in
pkgs.stdenv.mkDerivation rec {
name = "generated-wallpaper.png";
src = wallpaper;
buildInputs = [
pkgs.lutgen
];
phases = ["installPhase"];
installPhase = ''
echo -e "Generating wallpaper from ${wallpaper} using palette:\n${str_pal}.."
${pkgs.lib.getExe pkgs.lutgen} apply --lum 0.8 -l 10 -s 128 -n 8 -o $out ${wallpaper} -- ${str_pal}
'';
}