#!/bin/bash
# expensiveClock -d
# required: firefox, jp2a, imagemagick (just for png2jpg), timeout (coreutils)
# checks
command -v jp2a >/dev/null 2>&1 || { echo "I need jp2a, exiting." >&2; exit 1; }
command -v convert >/dev/null 2>&1 || { echo "I need imagemagick convert, exiting." >&2; exit 1; }
command -v timeout >/dev/null 2>&1 || { echo "I need timeout (coreutils), exiting." >&2; exit 1; }
# analog or digital
app=("$HOME/apps/firefox/firefox")
if [[ "$1" == "-d" ]]; then
clock="digital"
else
clock="analog"
fi
# modern firefox whereabouts
# note: dev edition seems to work in wsl1 https://www.mozilla.org/en-US/firefox/all/#product-desktop-developer
command -v "${app[@]}" >/dev/null 2>&1 || { echo "I need some sort of firefox, exiting." >&2; exit 1; }
# clear once
clear
printf "\\33[?25l" # hide cursor https://gist.github.com/fnky/458719343aabd01cfb17a3a4f7296797
# center text custom
centertext(){
columns=$(tput cols)
string="$1"
printf "%*s\\n" $(((${#string}+columns)/2)) "${string//R/ }"
}
# tmp dir http://mywiki.wooledge.org/BashFAQ/062
tmp="/tmp/$RANDOM-$$"
trap '[ -n "$tmp" ] && rm -fr "$tmp"; printf "\\33[?25h"; kill %% >/dev/null 2>&1' EXIT # unhide cursor on exit
mkdir -m 700 "$tmp" || { echo '!! unable to create a tmpdir' >&2; tmp=; exit 1; }
# scripted svg found on web
if [[ $clock == "analog" ]]; then
name="$tmp/analog.svg"
cat > "$name" << EOF
EOF
elif [[ $clock == "digital" ]]; then
name="$tmp/digital.htm"
cat > "$name" << EOF
Clock
EOF
fi
# main
main () {
timeout -v 25 "${app[@]}" --screenshot --window-size=1000,1000 "$tmp/woot.png" "file:///${name}" >/dev/null 2>&1
# just pipe
if [[ $clock == "analog" ]]; then
convert "$tmp/woot.png" -resize 1140\!x1000 jpg:- | jp2a -f --chars="R.xX" - > "$tmp/tmp.txt" || exit # using 'R' as a placeholder for easier centering
elif [[ $clock == "digital" ]]; then
convert "$tmp/woot.png" -trim -bordercolor black -border 55 +repage jpg:- | jp2a -f --chars="R.xX" - > "$tmp/tmp.txt" || exit
clear
fi
# center
printf "\\033[H" # cursor to home
while read -r line ; do
centertext "$line"
done <"$tmp/tmp.txt"
}
# loop 4ever
while true; do # updating each full minute
main
sleep $((60 - $(date +%s) % 60))
done