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i3/lock.sh (view raw)

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#!/bin/bash
# This script is a lockscnreen script that utilizes i3lock
# it produces a pixelated screenshot along with a icon you can choose that is placed in the middle
# this isn't my work and I picked it up and modified it a little from the good folks over at /r/unixporn
# https://www.reddit.com/r/unixporn/comments/3358vu/i3lock_unixpornworthy_lock_screen/

scrot /tmp/screen.png
convert /tmp/screen.png -scale 10% -scale 1000% /tmp/screen.png
icon=$HOME/.config/i3/icon.png
 
if [[ -f $icon ]]
then
    # placement x/y
    PX=0
    PY=0
    # lockscreen image info
    R=$(file $icon | grep -o '[0-9]* x [0-9]*')
    RX=$(echo $R | cut -d' ' -f 1)
    RY=$(echo $R | cut -d' ' -f 3)
 
    SR=$(xrandr --query | grep ' connected'| sed 's/primary //' | cut -f3 -d' ')
    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))
 
        convert /tmp/screen.png $icon -geometry +$PX+$PY -composite -matte  /tmp/screen.png
    done
fi
# dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Stop
# i3lock  -I 10 -d -e -u -n -i /tmp/screen.png
i3lock -e -u -n -i /tmp/screen.png