bin/bin/scan.sh

   1 #!/bin/sh
   2
   3 rotate=0
   4 crop=0
   5 cur=noname.ppm
   6 ctr=${1:-1}
   7 ctr=$(( $ctr - 1 ))
   8
   9 scan() {
  10     preview=$1
  11     shift
  12     [ -z "$NEGATIVE" ] && src="Flatbed" || src="Transparency Adapter"
  13     [ -z "$NEGATIVE" ] && depth=8 || depth=16
  14     [ -z "$NEGATIVE" ] && resolution=800 || resolution=1600
  15     if [ "$preview" = "yes" ]; then
  16         depth=8
  17         resolution=150
  18     fi
  19     scanimage \
  20         --format=pnm \
  21         --mode=Color \
  22         --depth $depth \
  23         --progress \
  24         --resolution=$resolution \
  25         --source="$src" \
  26         $@ > tmp.ppm
  27 }
  28
  29 process() {
  30     [ $rotate -eq 0 ] && rotator=cat || rotator="pamflip -rotate$rotate"
  31     [ -z "$NEGATIVE" ] && inverter=cat || inverter=pnminvert
  32     $rotator | pnmcrop -closeness=$crop | $inverter
  33 }
  34
  35 preview() {
  36     process < tmp.ppm | pamdepth 255 | pnmscale -w 600 > preview.ppm
  37     sxiv preview.ppm
  38 }
  39
  40 do_next() {
  41     rotate=180
  42     [ -z "$NEGATIVE" ] && crop=40 || crop=10
  43     ctr=$(( $ctr + 1 ))
  44     cur=`printf "%03d.ppm" $ctr`
  45 }
  46
  47 do_next
  48
  49 while : ; do
  50     echo -n "$cur: crop:$crop rotate:$rotate v/r/c/s/p/n> "
  51     read c
  52     case $c in
  53     v)
  54         scan yes --preview=yes
  55         preview
  56         ;;
  57     s)
  58         scan no --preview=no --high-quality=yes
  59         preview
  60         ;;
  61     p)
  62         preview
  63         ;;
  64     n)
  65         cat tmp.ppm | process > $cur
  66         do_next
  67         ;;
  68     r)
  69         echo -n "Rotate (n/r/l/t):"
  70         read rotate
  71         case $rotate in
  72         n) rotate=180 ;;
  73         r) rotate=90 ;;
  74         l) rotate=270 ;;
  75         t) rotate=0 ;;
  76         *) echo ? ;;
  77         esac
  78         ;;
  79     c)
  80         echo -n Crop:
  81         read crop
  82         ;;
  83     *)
  84         echo ?
  85         ;;
  86     esac
  87 done