#!/bin/sh

set -euo pipefail
IFS=$'\n\t'

LOCK_BG_FILE="/tmp/lock_screen.png"

scrot "$LOCK_BG_FILE"
mogrify -filter Gaussian -resize 50% -define filter:sigma=2.5 -resize 200% "$LOCK_BG_FILE"
mogrify -font Liberation-Sans -fill white -undercolor '#00000080' -pointsize 30 -gravity South -annotate +0+200 "Screen locked" "$LOCK_BG_FILE"
i3lock -e -i "$LOCK_BG_FILE"