scheme: better colours + parallel generation

Fix some wallpapers not having enough colours by disabling filter (also gives better colours)
Use GNU parallel to run scheme generation in parallel
Also ensure all schemes exist when generating
Cache wallpaper thumbnails

install/scripts.fish

@@ -2,7 +2,7 @@
 
 . (dirname (status filename))/util.fish
 
-install-deps git hyprland-git hyprpaper-git imagemagick wl-clipboard fuzzel-git socat foot jq python xdg-user-dirs python-materialyoucolor-git app2unit-git
+install-deps git hyprland-git hyprpaper-git imagemagick wl-clipboard fuzzel-git socat foot jq python xdg-user-dirs python-materialyoucolor-git app2unit-git parallel
 install-optional-deps 'equibop-bin (discord client)' 'btop (system monitor)' 'wf-recorder (screen recorder)' 'grim (screenshot tool)' 'zen-browser (web browser)' 'spotify-adblock (music player)'
 
 set -l dist $C_DATA/scripts

scheme/gen-scheme.fish

@@ -12,13 +12,19 @@ set -l hash (sha1sum $img | cut -d ' ' -f 1)
 
 # Cache schemes
 mkdir -p $C_CACHE/schemes
-if ! test -d $C_CACHE/schemes/$hash
-    # Generate colours
-    set -l colours ($src/score.py $img)
+set -l dirty_variants
+if test -d $C_CACHE/schemes/$hash
     for variant in $variants
-        mkdir -p $C_CACHE/schemes/$hash/$variant
-        $src/autoadjust.py $theme $variant $colours | head -c -1 > $C_CACHE/schemes/$hash/$variant/$theme.txt
+        test -f $C_CACHE/schemes/$hash/$variant/$theme.txt || set -a dirty_variants $variant
     end
+else
+    set dirty_variants $variants
+end
+
+if test -n "$dirty_variants"
+    # Generate schemes for variants that need it
+    set -l colours ($src/score.py $img)
+    parallel "mkdir -p $C_CACHE/schemes/$hash/{} && $src/autoadjust.py $theme {} '$colours' | head -c -1 > $C_CACHE/schemes/$hash/{}/$theme.txt" ::: $dirty_variants
 end
 
 # Copy schemes from cache

scheme/score.py

@@ -22,7 +22,7 @@ class Score:
     @staticmethod
     def score(colors_to_population: dict) -> list[int]:
         desired = 14
-        filter_enabled = True
+        filter_enabled = False
         dislike_filter = True
 
         colors_hct = []

wallpaper.fish

@@ -107,13 +107,11 @@ else
     hyprctl hyprpaper unload unused > /dev/null
 
     # Thumbnail wallpaper for colour gen
-    set -l thumb_path $C_CACHE/thumbnails/(string replace -a '/' '-' (dirname $chosen_wallpaper | string sub -s 2))-(path change-extension '.jpg' (basename $chosen_wallpaper))
-    if test -f $thumb_path
-        # Use thumbnail from shell
-        cp $thumb_path $state_dir/thumbnail.jpg
-    else
-        magick -define jpeg:size=256x256 $chosen_wallpaper -thumbnail 128x128 $state_dir/thumbnail.jpg
+    set -l thumb_path $C_CACHE/thumbnails/(sha1sum $chosen_wallpaper | cut -d ' ' -f 1).jpg
+    if ! test -f $thumb_path
+        magick -define jpeg:size=256x256 $chosen_wallpaper -thumbnail 128x128 $thumb_path
     end
+    cp $thumb_path $state_dir/thumbnail.jpg
 
     # Generate colour scheme for wallpaper
     set -l src (dirname (status filename))