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-rw-r--r--nixos/mdls/cls.nix224
1 files changed, 224 insertions, 0 deletions
diff --git a/nixos/mdls/cls.nix b/nixos/mdls/cls.nix
new file mode 100644
index 0000000..0bf105d
--- /dev/null
+++ b/nixos/mdls/cls.nix
@@ -0,0 +1,224 @@
+{ pkgs, ... }:
+
+let
+ cls-script = pkgs.writeShellScriptBin "cls" ''
+ [ -z "$1" ] && echo "usage: cls <image>" >&2 && exit 1
+ [ ! -f "$1" ] && echo "cls: file not found: $1" >&2 && exit 1
+
+ cls="$HOME/.cls"
+ mkdir -p "$cls"
+
+ awww_out=$(${pkgs.awww}/bin/awww img -o HDMI-A-1 "$1" --transition-type grow --transition-duration 1.5 --transition-fps 120 2>&1)
+ [ $? -ne 0 ] && echo "cls: awww: $awww_out" >&2
+ ${pkgs.awww}/bin/awww clear --outputs DP-1 2>/dev/null
+
+ raw=$(${pkgs.imagemagick}/bin/magick "$1" -thumbnail 50x50^ -colors 8 -unique-colors txt:- 2>&1)
+
+ base=$(printf '%s\n' "$raw" \
+ | ${pkgs.gnugrep}/bin/grep -oE '#[0-9A-Fa-f]{6}' \
+ | ${pkgs.gawk}/bin/awk '{
+ r = strtonum("0x" substr($0,2,2))
+ g = strtonum("0x" substr($0,4,2))
+ b = strtonum("0x" substr($0,6,2))
+ printf "%d %s\n", int(0.299*r + 0.587*g + 0.114*b), $0
+ }' \
+ | ${pkgs.coreutils}/bin/sort -n \
+ | ${pkgs.gawk}/bin/awk '{print $2}' \
+ | ${pkgs.coreutils}/bin/head -8)
+
+ [ -z "$base" ] && echo "cls: magick failed" >&2 && echo "$raw" >&2 && exit 1
+
+ n=$(printf '%s\n' "$base" | ${pkgs.coreutils}/bin/wc -l)
+ last=$(printf '%s\n' "$base" | ${pkgs.coreutils}/bin/tail -1)
+ while [ "$n" -lt 8 ]; do
+ base=$(printf '%s\n%s' "$base" "$last")
+ n=$((n+1))
+ done
+
+ bright=$(printf '%s\n' "$base" | ${pkgs.gawk}/bin/awk '{
+ r = strtonum("0x" substr($0,2,2))
+ g = strtonum("0x" substr($0,4,2))
+ b = strtonum("0x" substr($0,6,2))
+ r = int(r*1.4); if (r>255) r=255
+ g = int(g*1.4); if (g>255) g=255
+ b = int(b*1.4); if (b>255) b=255
+ printf "#%02X%02X%02X\n", r, g, b
+ }')
+
+ cols=$(printf '%s\n%s' "$base" "$bright")
+
+ c0=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '1p')
+ c1=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '2p')
+ c2=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '3p')
+ c3=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '4p')
+ c4=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '5p')
+ c5=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '6p')
+ c6=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '7p')
+ c7=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '8p')
+ c8=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '9p')
+ c9=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '10p')
+ c10=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '11p')
+ c11=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '12p')
+ c12=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '13p')
+ c13=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '14p')
+ c14=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '15p')
+ c15=$(printf '%s\n' "$cols" | ${pkgs.gnused}/bin/sed -n '16p')
+
+ bg="$c0"
+ fg=$(printf '%s\n' "$cols" | ${pkgs.gawk}/bin/awk -v bg="$c0" '
+ function lum(hex, r,g,b,rs,gs,bs) {
+ r = strtonum("0x" substr(hex,2,2)) / 255
+ g = strtonum("0x" substr(hex,4,2)) / 255
+ b = strtonum("0x" substr(hex,6,2)) / 255
+ rs = (r<=0.04045) ? r/12.92 : ((r+0.055)/1.055)^2.4
+ gs = (g<=0.04045) ? g/12.92 : ((g+0.055)/1.055)^2.4
+ bs = (b<=0.04045) ? b/12.92 : ((b+0.055)/1.055)^2.4
+ return 0.2126*rs + 0.7152*gs + 0.0722*bs
+ }
+ function contrast(a,b, l1,l2,t) {
+ l1 = lum(a); l2 = lum(b)
+ if (l1 < l2) { t=l1; l1=l2; l2=t }
+ return (l1+0.05) / (l2+0.05)
+ }
+ BEGIN { best=""; bestc=0 }
+ {
+ c = contrast($0, bg)
+ if (c > bestc) { bestc=c; best=$0 }
+ }
+ END { print best }
+ ')
+ cursor="$fg"
+
+ printf '%s' "$1" > "$cls/cls"
+
+ printf '%s\n' "$cols" | ${pkgs.gawk}/bin/awk '{printf "color%d=%s\n", NR-1, $0}' > "$cls/cls.sh"
+ printf 'background="%s"\nforeground="%s"\ncursor="%s"\n' "$bg" "$fg" "$cursor" >> "$cls/cls.sh"
+
+ cat > "$cls/cls.json" << ENDJSON
+ {
+ "wallpaper": "$1",
+ "alpha": "100",
+ "special": {
+ "background": "$bg",
+ "foreground": "$fg",
+ "cursor": "$cursor"
+ },
+ "colors": {
+ "color0": "$c0",
+ "color1": "$c1",
+ "color2": "$c2",
+ "color3": "$c3",
+ "color4": "$c4",
+ "color5": "$c5",
+ "color6": "$c6",
+ "color7": "$c7",
+ "color8": "$c8",
+ "color9": "$c9",
+ "color10": "$c10",
+ "color11": "$c11",
+ "color12": "$c12",
+ "color13": "$c13",
+ "color14": "$c14",
+ "color15": "$c15"
+ }
+ }
+ ENDJSON
+
+ printf '%s\n' "$cols" > "$cls/colors.txt"
+
+ cat > "$cls/kitty.conf" << ENDKITTY
+ foreground $fg
+ background $bg
+ background_opacity 1.0
+ cursor $cursor
+
+ active_tab_foreground $bg
+ active_tab_background $fg
+ inactive_tab_foreground $fg
+ inactive_tab_background $bg
+
+ active_border_color $fg
+ inactive_border_color $bg
+ bell_border_color $c1
+
+ color0 $c0
+ color8 $c8
+ color1 $c1
+ color9 $c9
+ color2 $c2
+ color10 $c10
+ color3 $c3
+ color11 $c11
+ color4 $c4
+ color12 $c12
+ color5 $c5
+ color13 $c13
+ color6 $c6
+ color14 $c14
+ color7 $c7
+ color15 $c15
+ ENDKITTY
+
+ cat > "$cls/colors.fish" << ENDFISH
+ set fish_color_autosuggestion \$(echo "$c8" | sed 's/#//')
+ set fish_color_cancel \$(echo "$c1" | sed 's/#//') '--reverse'
+ set fish_color_command \$(echo "$c10" | sed 's/#//')
+ set fish_color_comment \$(echo "$c8" | sed 's/#//')
+ set fish_color_cwd \$(echo "$c2" | sed 's/#//')
+ set fish_color_cwd_root \$(echo "$c1" | sed 's/#//')
+ set fish_color_end \$(echo "$c3" | sed 's/#//')
+ set fish_color_error \$(echo "$c1" | sed 's/#//')
+ set fish_color_escape \$(echo "$c5" | sed 's/#//')
+ set fish_color_history_current --bold
+ set fish_color_host \$(echo "$c12" | sed 's/#//')
+ set fish_color_host_remote \$(echo "$c12" | sed 's/#//')
+ set fish_color_keyword \$(echo "$c5" | sed 's/#//')
+ set fish_color_match --background=\$(echo "$c4" | sed 's/#//')
+ set fish_color_normal \$(echo "$fg" | sed 's/#//')
+ set fish_color_operator \$(echo "$c6" | sed 's/#//')
+ set fish_color_option \$(echo "$c3" | sed 's/#//')
+ set fish_color_param \$(echo "$c12" | sed 's/#//')
+ set fish_color_quote \$(echo "$c11" | sed 's/#//')
+ set fish_color_redirection \$(echo "$c5" | sed 's/#//')
+ set fish_color_search_match --background=\$(echo "$c8" | sed 's/#//')
+ set fish_color_selection --background=\$(echo "$c8" | sed 's/#//')
+ set fish_color_status \$(echo "$c1" | sed 's/#//')
+ set fish_color_user \$(echo "$c10" | sed 's/#//')
+ set fish_color_valid_path --underline
+ set fish_pager_color_background \$(echo "$bg" | sed 's/#//')
+ set fish_pager_color_completion \$(echo "$fg" | sed 's/#//')
+ set fish_pager_color_description \--background=\$(echo "$c8" | sed 's/#//')
+ set fish_pager_color_prefix \$(echo "$c10" | sed 's/#//')
+ set fish_pager_color_progress \$(echo "$c8" | sed 's/#//')
+ set fish_pager_color_secondary_background \$(echo "$bg" | sed 's/#//')
+ set fish_pager_color_secondary_completion \$(echo "$fg" | sed 's/#//')
+ set fish_pager_color_secondary_description \$(echo "$c8" | sed 's/#//')
+ set fish_pager_color_secondary_prefix \$(echo "$c10" | sed 's/#//')
+ set fish_pager_color_selected_background --background=\$(echo "$c8" | sed 's/#//')
+ set fish_pager_color_selected_completion \$(echo "$fg" | sed 's/#//')
+ set fish_pager_color_selected_description \$(echo "$c8" | sed 's/#//')
+ set fish_pager_color_selected_prefix \$(echo "$c10" | sed 's/#//')
+ ENDFISH
+
+ {
+ printf '%s\n' "$cols" | ${pkgs.gawk}/bin/awk '{printf "\033]4;%d;%s\007", NR-1, $0}'
+ printf '\033]10;%s\007' "$fg"
+ printf '\033]11;%s\007' "$bg"
+ printf '\033]12;%s\007' "$cursor"
+ } > "$cls/sequences"
+
+ for pty in /proc/*/fd/0; do
+ [ -c "$pty" ] && [ -w "$pty" ] && ${pkgs.coreutils}/bin/cat "$cls/sequences" > "$pty" 2>/dev/null
+ done
+
+ printf '%s\n' "$base" | ${pkgs.gawk}/bin/awk '{
+ r = strtonum("0x" substr($0,2,2))
+ g = strtonum("0x" substr($0,4,2))
+ b = strtonum("0x" substr($0,6,2))
+ printf "\033[48;2;%d;%d;%dm \033[0m %s\n", r, g, b, $0
+ }'
+ '';
+in
+{
+ home.packages = [ cls-script ];
+}
generated by cgit v1.3.1 (git 2.54.0) at 2026-09-22 20:40:07 +0000