lock

#!/usr/bin/env bash

icon=$HOME/Pictures/locks/rmlock.png
tmpbg='/tmp/screen.png'

(( $# )) && { icon=$1; }

scrot "$tmpbg"
echo $(date)
#convert "$tmpbg" -scale 10% -scale 1000%  -gamma 0.7 "$tmpbg"

if [[ -f $icon ]]
then
    # placement x/y
    PX=0
    PY=0
    # lockscreen image info
    R=$(file $icon | grep -o '[0-9]* x [0-9]*')
    echo $(date)
    echo $R
    RX=$(echo $R | cut -d' ' -f 1)
    RY=$(echo $R | cut -d' ' -f 3)

    # SR=$(xrandr --query | grep ' connected' | cut -f3 -d' ')
    SR=$(cat <<EOF
1920x1080+0+0
1920x1080+1920+0
EOF
    )
    echo $SR
    for RES in $SR
    do
        # monitor position/offset
        SRX=$(echo $RES | cut -d'x' -f 1)                   # x pos
        SRY=$(echo $RES | cut -d'x' -f 2 | cut -d'+' -f 1)  # y pos
        SROX=$(echo $RES | cut -d'x' -f 2 | cut -d'+' -f 2) # x offset
        SROY=$(echo $RES | cut -d'x' -f 2 | cut -d'+' -f 3) # y offset
        PX=$(($SROX + $SRX/2 - $RX/2))
        PY=$(($SROY + $SRY/2 - $RY/2))

        echo "$tmpbg" "$icon" -geometry +$PX+$PY -composite -matte  "$tmpbg"
        #convert "$tmpbg" "$icon" -geometry +$PX+$PY -composite -matte  "$tmpbg"
        echo "done"
    done
fi

# convert "$tmpbg" "$icon" -gravity center -composite -matte "$tmpbg"
# play $HOME/Noooo.mp3 &
amixer set Master mute
i3lock -u -i "$tmpbg" -n; amixer set Master unmute

rm "$tmpbg"