background: filter dark into light BGs

config.yaml

@@ -222,6 +222,7 @@ actions:
   pam_gpg: _pam-gpg-strap
   make_theme: _make_theme
   install_meta: install_meta
+  filter_backgrounds: _filter_backgrounds
 
   post:
     # by having it be the last thing to run
@@ -324,9 +325,11 @@ dotfiles: # Just a bunch of paths and action mappings
     actions:
     - make_theme
 
-  wallpapers:
-    src: wallpapers
-    dst: ~/.local/share/wallpapers
+  backgrounds:
+    src: backgrounds
+    dst: ~/.local/share/backgrounds/
+    actions:
+    - filter_backgrounds
 
   mime:
     src: mime/

dotfiles/scripts/_filter-backgrouds

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -x
+
+for img in ~/.local/share/backgrounds/*_dark.*
+do
+  new_path=$(echo "$img" | sed 's/_dark/_light/')
+  test -f "$new_path" ||
+      convert "$img" -channel RGB -negate "$new_path"
+done

dotfiles/sway/config

@@ -28,9 +28,9 @@ set $mus        r
 
 set $wallPath\
     {%@@ if color.type == 'dark' @@%}
-        ~/.local/share/wallpapers/assembly.png
+        ~/.local/share/wallpapers/assembly_dark.png
     {%@@ else @@%}
-        ~/.local/share/wallpapers/austria.jpg
+        ~/.local/share/wallpapers/assembly_light.png
     {%@@ endif @@%}
 
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