#!/bin/bash
# Process menu scans for menus.fivegeeks.net.
# This will look for menus called "X-1.jpg", "X-2.jpg" in the current
# directory, and join them into an image called "X.jpg". Portrait images are
# stacked left-to-right; landscape images top-to-bottom.
# Adam Sampson <ats@offog.org>

norm="cat"
# norm="pnmnorm -wvalue=255 -bvalue=80"
for x in *-*1.jpg; do
	n=`basename $x .jpg | sed 's,-[^-]*$,,'`
	if [ `identify $x | perl -ne '/(\d+)x(\d+)/; if ($1 > $2) { print "down" } else { print "across" }'` = down ]; then
		join="pnmcat -topbottom"
		scale="-width"
	else
		join="pnmcat -leftright"
		scale="-height"
	fi
	if [ -e "$n.jpg" ]; then
		continue
	fi
	comment="Menu image from http://menus.fivegeeks.net/ processed by Adam Sampson <ats@offog.org>; date: `date +%Y-%m-%d`; sources:"
	echo "Merging to $n:" $n-*.jpg
	for y in $n-*.jpg; do
		join="$join <(anytopnm $y)"
		comment="$comment $y"
	done
	eval "$join" | pnmscale $scale 1400 | $norm | pnmtojpeg -quality 90 -comment "$comment" >$n.jpg
done