Add 'legacy/dotfiles/' from commit 'e9a44f677d2852fd5856cecc49ecb984efeba66c'

git-subtree-dir: legacy/dotfiles
git-subtree-mainline: 382887df65
git-subtree-split: e9a44f677d

legacy/dotfiles/home-manager/util/blur.nix

@@ -0,0 +1,25 @@
+{
+  stdenv,
+  imagemagick,
+  src,
+}:
+stdenv.mkDerivation {
+  pname = "blur-image";
+  version = "1.0";
+
+  inherit src;
+
+  buildInputs = [ imagemagick ];
+
+  # input is a file, not a directory, skip unpackPhase
+  unpackPhase = "true";
+
+  # command taken from: https://old.reddit.com/r/swaywm/comments/oz3t7v/setting_a_blurred_background_with_swaylock_and/
+  buildPhase = ''
+    magick ${src} -filter Gaussian -resize 20% -blur 0x2.5 -resize 500% output.png
+  '';
+
+  installPhase = ''
+    mv output.png $out
+  '';
+}

legacy/dotfiles/home-manager/util/inverse_color.nix

@@ -0,0 +1,26 @@
+{
+  stdenv,
+  imagemagick,
+  gawk,
+  src,
+}:
+stdenv.mkDerivation {
+  pname = "invert-image-avg";
+  version = "1.0";
+
+  inherit src;
+
+  buildInputs = [
+    imagemagick
+    gawk
+  ];
+
+  # input is a file, not a directory, skip unpackPhase
+  unpackPhase = "true";
+
+  # command taken from: https://old.reddit.com/r/swaywm/comments/oz3t7v/setting_a_blurred_background_with_swaylock_and/
+  buildPhase = ''
+    rm -fr $out
+    magick ${src} -channel RGB -negate -resize 1x1 txt: | awk 'FNR == 2 {print $3}' > $out
+  '';
+}