From c763676d2b769f4bba9f3a76027efaaf4248d8e7 Mon Sep 17 00:00:00 2001
From: Daniel Axtens <dja@ucc.asn.au>
Date: Fri, 8 Apr 2011 21:06:43 +0800
Subject: [PATCH] Take out a hack only useful for a particular old book scan;
 use png in intermediate steps

---
 scan2pages.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/scan2pages.sh b/scan2pages.sh
index 025205d..6d232f5 100755
--- a/scan2pages.sh
+++ b/scan2pages.sh
@@ -131,10 +131,10 @@ for pg in `$my_seq 1 $pages`; do
 	pgn=$(printf '%03d' $pg)
 	
 	# convert from pdf
-	origpnm=$dir/pg-${pgn}.pnm
+	origfile=$dir/pg-${pgn}.png
 	if [ ! -e $origpnm ] || [[ $forcepdf ]]; then
 		convert $convertflags -depth $depth -density $dpi $file[$(expr $pg - 1)] \
-			$origpnm || exit 1
+			$origfile || exit 1
 	fi;
 	
 	# preprocess it!
@@ -142,11 +142,11 @@ for pg in `$my_seq 1 $pages`; do
 	if [[ ! $skipmask ]] && ( [ ! -e $preppnm ] || [[ $forcemask ]] ); then
 		# create mask: 
 		# ... downscale, blur,
-		convert $convertflags -resize 10% -depth 8 -blur 10 -median 2 $origpnm $dir/pg-mask-${pgn}.pnm ||exit 1
+		convert $convertflags -resize 10% -depth 8 -blur 10 -median 2 $origfile $dir/pg-mask-${pgn}.png ||exit 1
 
 		# ... get crop co-ords. They're off by ~2 as I don't know how to
 		# properly correct for the border.
-		cropcords=$(convert -border 1x1 -bordercolor '#000' -resize 1000% -trim -fuzz 90% -format "%wx%h%O" $dir/pg-mask-${pgn}.pnm info: || exit 1)
+		cropcords=$(convert -border 1x1 -bordercolor '#000' -resize 1000% -trim -fuzz 90% -format "%wx%h%O" $dir/pg-mask-${pgn}.png info: || exit 1)
 		
 		# ... crop and despeckle? the final pre-prepared image
 		convert $convertflags -crop $cropcords $origpnm $preppnm || exit 1
@@ -165,7 +165,7 @@ for pg in `$my_seq 1 $pages`; do
 	#names go a bit funny here
 	unppnmbase=$dir/upg-${pgn}
 	if [ ! -e ${unppnmbase}-1.pnm ] || [ ! -e ${unppnmbase}-2.pnm ] || [[ $forceunpaper ]]; then
-		unpaper $unpaperflags --layout double --overwrite --no-blackfilter -ni 10 -op 2 $preppnm ${unppnmbase}-%01d.pnm || exit 1
+		unpaper $unpaperflags --layout double --overwrite -ni 10 -op 2 $preppnm ${unppnmbase}-%01d.pnm || exit 1
 	fi;
 	
 	#detect if the page is 2-up
@@ -175,7 +175,7 @@ for pg in `$my_seq 1 $pages`; do
 			if [[ $verbose == 1 ]]; then
 				echo "Resplitting subpg ${subpg}."
 			fi
-			unpaper $unpaperflags --pre-rotate 90 --layout double --overwrite --no-blackfilter -op 2 $dir/upg-${pgn}-${subpg}.pnm $dir/upg-${pgn}-${subpg}-%01d.pnm
+			unpaper $unpaperflags --pre-rotate 90 --layout double --overwrite -op 2 $dir/upg-${pgn}-${subpg}.pnm $dir/upg-${pgn}-${subpg}-%01d.pnm
 		else
 			cp $dir/upg-${pgn}-${subpg}.pnm $dir/upg-${pgn}-${subpg}-1.pnm
 		fi;
-- 
2.20.1