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