misc/tools/brightspot.sh

   1 #!/bin/sh
   2
   3 if [ -z "$1" ]; then
   4         echo>&2 "Usage: $0 foo_rt.jpg"
   5         exit 1
   6 fi
   7
   8 brightspot=
   9 if which brightspot-bin >/dev/null; then
  10         brightspot=brightspot-bin
  11 else
  12         case "$0" in
  13                 */*)
  14                         mydir=${0%/*}
  15                         ;;
  16                 *)
  17                         mydir=.
  18                         ;;
  19         esac
  20         brightspot="$mydir/brightspot-bin"
  21         [ "$brightspot" -nt "$mydir/brightspot.c" ] || gcc -lm -O3 -Wall -Wextra "$mydir/brightspot.c" -o "$brightspot" || exit 1
  22 fi
  23
  24 i=$1
  25 ext=${i##*.}
  26 name=${i%.*}
  27 name=${name%_[rlbfud][tfktpn]}
  28
  29 echo >&2 "Order: 0=rt 1=lf 2=bk 3=ft 4=up 5=dn"
  30 {
  31         convert "$name"_rt."$ext" -depth 8 -geometry 512x512 GRAY:-
  32         convert "$name"_lf."$ext" -depth 8 -geometry 512x512 GRAY:-
  33         convert "$name"_bk."$ext" -depth 8 -geometry 512x512 GRAY:-
  34         convert "$name"_ft."$ext" -depth 8 -geometry 512x512 GRAY:-
  35         convert "$name"_up."$ext" -depth 8 -geometry 512x512 GRAY:-
  36         convert "$name"_dn."$ext" -depth 8 -geometry 512x512 GRAY:-
  37 } | "$brightspot" /dev/stdin