bookscanner-utils/usr/local/bin/splitall

#!/usr/bin/env bash

set -e
set -u

colordetect='colordetect --hue 180 --min-value 80 --param2 20 --coordinates - --cut-left 30% --cut-right 30% --cut-top 10% --cut-bottom 10% --min-dist 10% --min-radius 1% --max-radius 6%'
imagecut=imagecut
[[ -f /etc/bookscanner/splitall.rc ]] && source /etc/bookscanner/splitall.rc

usage() {
	echo "Usage: $0 DIRECTORY"
	echo "The 'first' file is the split-calibration. Every other file is split"
}
if [[ $# -ne 1 ]]; then
	usage >&2
	exit 2
fi
dir=$(readlink -f $1)
shift 1

calibrate() {
	if [[ ! -f "$dir/split.txt" ]]; then
		splitcalibration=$(ls -1 "$dir"| sort| head -n1)
		$colordetect "$dir/$splitcalibration" > "$dir/split.txt"
	fi
}

counter=0
split() {
	[[ $# -eq 1 ]]
	imgtosplit="$1"
	[[ -f "$imgtosplit" ]]
	$imagecut "$dir/split.txt" "$imgtosplit"  --outfile "$dir/split/$(printf %03d $counter).jpg"
	[[ -f "$dir/split/$(printf %03d $counter).L.jpg" ]]
	[[ -f "$dir/split/$(printf %03d $counter).R.jpg" ]]
	counter=$((counter+1))
}

calibrate
mkdir "$dir/split/"
ls -1 $dir/*.jpg | sort | tail -n +2 | while read fname; do
	split "$fname"
done
exit 0