scheme: dynamic light theme

Autodetect based on wallpaper
Also resize wallpaper so faster
And async magick blur so wallpaper doesnt block

scheme/apply-scheme.fish

@@ -79,7 +79,6 @@ end
 if test -d $CONFIG/gtk
     log 'Generating GTK+ schemes'
     gen-gtk $colours
-    $CONFIG/gtk/update-scheme.fish
 end
 
 # Reload programs if dynamic scheme

scheme/gen-scheme.fish

@@ -7,13 +7,19 @@ function nl-echo
     end
 end
 
-. (dirname (status filename))/../util.fish
+set -l src (dirname (status filename))
+
+. $src/../util.fish
 
 set -l colour_names rosewater flamingo pink mauve red maroon peach yellow green teal sky sapphire blue lavender
 set -l layer_names text subtext1 subtext0 overlay2 overlay1 overlay0 surface2 surface1 surface0 base mantle crust
 
 test -f "$argv[1]" && set -l img "$argv[1]" || set -l img $CACHE/wallpaper/current
-set -l colours_raw (okolors (realpath $img) -k 15 -w 0 -l 70,90,75,65,40,35,30,25,20,15,10,8,6)
+set -l img ($src/resizeimg.py $img)
+
+$src/islight.py $img && set -l light_vals 40,6,8,10,45,50,55,60,65,70,75,80,85,90 || set -l light_vals 70,90,75,65,40,35,30,25,20,15,10,8,6
+
+set -l colours_raw (okolors (realpath $img) -k 15 -w 0 -l $light_vals)
 set -l colours (string split ' ' $colours_raw[2])[2..]
 set -l layers (nl-echo $colours_raw | cut -f 1 -d ' ')[3..]
 

scheme/islight.py

@@ -0,0 +1,16 @@
+#!/bin/python
+
+import sys
+from PIL import Image
+from materialyoucolor.quantize import QuantizeCelebi
+from materialyoucolor.score.score import Score
+from materialyoucolor.hct import Hct
+from resizeimg import resize
+
+
+if __name__ == "__main__":
+    with Image.open(sys.argv[1]) as img:
+        img = resize(img)[0]
+        colours = QuantizeCelebi(list(img.getdata()), 128)
+        hct = Hct.from_int(Score.score(colours)[0])
+        sys.exit(0 if hct.tone > 60 else 1)

scheme/resizeimg.py

@@ -0,0 +1,29 @@
+#!/bin/python
+
+import sys
+import math
+from PIL import Image
+
+
+def calc_size(w, h, b = 128):
+    ia = w * h
+    ba = b * b
+    s = math.sqrt(ba / ia) if ia > ba else 1
+    return max(1, round(w * s)), max(1, round(h * s))
+
+
+def resize(img):
+    w, h = calc_size(img.width, img.height)
+    if w < img.width or h < img.height:
+        return img.resize((w, h), Image.Resampling.BICUBIC), True
+    return img, False
+
+
+if __name__ == "__main__":
+    with Image.open(sys.argv[1]) as img:
+        img, resized = resize(img)
+        if resized:
+            img.save("/tmp/caelestia-resize.png")
+            print("/tmp/caelestia-resize.png")
+        else:
+            print(sys.argv[1])