[Init]

home/gui/theme/wallpaper-gen.nix

@@ -0,0 +1,34 @@
+{ pkgs, config }:
+
+let
+  scheme = config.colorScheme;
+  colors = scheme.colors;
+  dither = "none";
+in
+pkgs.stdenv.mkDerivation rec {
+    name = "generated-wallpaper-${scheme.slug}";
+    src = pkgs.fetchFromGitea {
+        domain = "git.helcel.net";
+        owner = "sora";
+        repo = "nixconfig-wallpaper";
+        rev = "8825bd0f75bb87175ba9f970a6c73608404daebc";
+        sha256 = "sha256-AgYeMwsPYoaOsllHZ2WQTctF+Bnkb3YA0sTb2u9//R4=";
+    };
+
+    buildInputs = with pkgs; [
+        custom.repalette
+        nodejs
+    ];
+
+    buildPhase = ''
+        echo "${colors.base08},${colors.base09},${colors.base0A},${colors.base0B},${colors.base0C},${colors.base0D},${colors.base0E},${colors.base0F}" > base16.out
+        node palette-gen.js < base16.out > palette.out
+        ${pkgs.custom.repalette}/bin/repalette dark.jpg newdark.jpg -p $(cat palette.out) --dither ${dither}
+        cat palette.out
+    '';
+
+    installPhase = ''
+        mkdir -p $out/share/wallpaper
+        cp newdark.jpg $out/share/wallpaper/dark.jpg
+    '';
+}