From 5a22e3f88799a29482d078ba4e8ca76c5f4af3cc Mon Sep 17 00:00:00 2001 From: Daniel Axtens Date: Fri, 8 Apr 2011 16:11:56 +0800 Subject: [PATCH] Made some auto-detection of work already done work; enabled another force flag. --- scan2pages.sh | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/scan2pages.sh b/scan2pages.sh index 9c08f6a..025205d 100755 --- a/scan2pages.sh +++ b/scan2pages.sh @@ -7,7 +7,7 @@ Convert pdffile - a pdf of scanned facing pages - to a set of images in outdir, each with only one page. OPTIONS: -v: Be verbose. - -d depth: Use given depth. Default is 1 for black and white, 8 for colour. + -d depth: Use given depth. Default is 1 for black and white, 8 for colour/gray. Unpaper can only handle up to 8. -D dpi: Use given DPI. Colour scans on library scanners are usually 300, bw 400. -F extension: use the output format signified by the extension. Default is png @@ -15,7 +15,7 @@ OPTIONS: -f: Forceably redo everything. -p: Forceably redo pdf conversion. Implies options below, equivalent to -f. -m: Forceably redo masking/trimming and other preprocessing. Impiles options below. - -u: Forceably redo unpaper processing. Implies option below. IGNORED + -u: Forceably redo unpaper processing. Implies option below. -t: Forceably redo final trimming and cleaning. IGNORED -b: Optimize for BeBook One. __EOF__ @@ -132,14 +132,14 @@ for pg in `$my_seq 1 $pages`; do # convert from pdf origpnm=$dir/pg-${pgn}.pnm - if [[ ! $([ -e $origpnm ]) || $forcepdf ]]; then + if [ ! -e $origpnm ] || [[ $forcepdf ]]; then convert $convertflags -depth $depth -density $dpi $file[$(expr $pg - 1)] \ $origpnm || exit 1 fi; # preprocess it! preppnm=$dir/pg-pp-${pgn}.pnm - if [[ ! $skipmask && ( ! $([ -e $preppnm ]) || $forcemask ) ]]; then + 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 @@ -163,10 +163,11 @@ for pg in `$my_seq 1 $pages`; do #unpaper it #names go a bit funny here - #also, ignore flags starting here - unppnm=$dir/upg-${pgn}-%01d.pnm - unpaper $unpaperflags --layout double --overwrite --no-blackfilter -ni 10 -op 2 $preppnm $unppnm || exit 1 - + unppnmbase=$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 + fi; + #detect if the page is 2-up for subpg in $($my_seq 1 2); do echo Processing subpg ${subpg}. -- 2.20.1