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| -rw-r--r-- | nixos/mdls/cls.nix | 224 |
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 ]; +} |