#!/bin/bash

if ! command -v slop >/dev/null; then
	echo "scr: slop not found" >&2
	exit 1
fi

copy=0
if [ $# -eq 0 ]; then
	copy=1
	out=$(mktemp --suffix=.png)
else
	out=$1
fi

coords=$(slop -f "%x %y %w %h" 2>/dev/null) || exit 1
read x y w h <<<"$coords"

ffmpeg -f x11grab -loglevel error -s ${w}x${h} \
	-i ${DISPLAY}+${x},${y} -frames:v 1 -y "$out"

if [ $copy -eq 1 ]; then
	xclip -selection clipboard -t image/png -i "$out"
fi

echo "$out"