#!/bin/bash
IMAGE=/tmp/screen_locked.png
APP=grim

which $APP &> /dev/null
if [ $? -eq 0 ]; then
  $APP $IMAGE
  convert -blur 4x4 $IMAGE $IMAGE
  swaylock -f -c 000000 -i $IMAGE
  rm -v $IMAGE
else
  swaylock -f -c 000000
fi