a better-looking lock script (based on betterlockscreen and i3lock)

speclock.sh

#!/usr/bin/env bash

############
# SPEC-LOCK #
############
# fancy/special locking script

insidecolor=00000000
ringcolor=ffffffff
keyhlcolor=d23c3dff
bshlcolor=d23c3dff
separatorcolor=00000000
insidevercolor=00000000
insidewrongcolor=d23c3dff
ringvercolor=ffffffff
ringwrongcolor=ffffffff
verifcolor=ffffffff
timecolor=ffffffff
datecolor=ffffffff
loginbox=00000066
font="sans-serif"
locktext='locked'

lock() {
	#$1 image path

	i3lock \
		-t -i "$1" \
		--timepos='x+110:h-70' \
		--datepos='x+43:h-45' \
		--clock --date-align 1 --datestr "$locktext" \
		--insidecolor=$insidecolor --ringcolor=$ringcolor --line-uses-inside \
		--keyhlcolor=$keyhlcolor --bshlcolor=$bshlcolor --separatorcolor=$separatorcolor \
		--insidevercolor=$insidevercolor --insidewrongcolor=$insidewrongcolor \
		--ringvercolor=$ringvercolor --ringwrongcolor=$ringwrongcolor --indpos='x+280:h-70' \
		--radius=20 --ring-width=4 --veriftext='' --wrongtext='' \
		--verifcolor="$verifcolor" --timecolor="$timecolor" --datecolor="$datecolor" \
		--time-font="$font" --date-font="$font" --layout-font="$font" --verif-font="$font" --wrong-font="$font" \
		--noinputtext='' --force-clock --pass-media-keys $lockargs 
}

SCREEN="/tmp/speclock_screen.png"

# take screenshot
# flameshot full -r > $SCREEN
maim $SCREEN

## process

# optionally composite a given image ($1)
[[ -f $1 ]] && convert $SCREEN $1 -gravity center -composite -matte $SCREEN

# crunch
convert $SCREEN -scale 10% -blur 2x4 -scale 1000% $SCREEN

# lock() via i3lock
lock $SCREEN

# remove 
rm $SCREEN

# sleep 1 adds a small delay to prevent possible race conditions with suspend
sleep 1
exit 0