tools/pcbdiff

   1 #! /bin/sh
   2
   3 usage ()
   4 {
   5   echo Usage:
   6   echo \\tpcbdiff firstfile secondfile
   7   echo \\tView a graphical diff of PCB files
   8   echo
   9   echo \\tTo use with git, just place this script in your PATH and do
  10   echo \\tgit difftool -x pcbdiff ...
  11   echo
  12   echo \\tTo use with mercurial, add the following lines to your .hgrc:
  13   echo \\t\\t[extensions]
  14   echo \\t\\thgext.extdiff =
  15   echo \\t\\t[extdiff]
  16   echo \\t\\tcmd.pcbdiff = /PATH/TO/pcbdiff
  17   echo \\tthen to invoke it, do
  18   echo \\thg pcbdiff ...
  19   echo
  20   echo \\tTo use with subversion, place it in your PATH and do
  21   echo \\tsvn diff --diff-cmd pcbdiff ...
  22
  23   echo \\tRequirements: Imagemagick and gschem be installed
  24 }
  25
  26
  27 for PROG in pcb convert composite
  28 do
  29   if which $PROG > /dev/null
  30   then
  31     true
  32   else
  33     echo "$PROG is not found.  Either it is not installed, or not in your PATH"
  34     exit 1
  35   fi
  36 done
  37
  38 #In case the script was invoked with extra option arguments, throw them away
  39 shift `expr $# - 2`
  40
  41 if test -d $1 -o -d $2
  42   then echo "ERROR: pcbdiff cannot diff entire directories"
  43   exit 1
  44 fi
  45
  46 LEFTFILE=$1
  47 RIGHTFILE=$2
  48 LEFTPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
  49 RIGHTPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
  50 LEFTBNW=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
  51 RIGHTBNW=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
  52 DIFFPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
  53
  54 pcb -x png --dpi 200 --only-visible --photo-mode --outfile $LEFTPNG $LEFTFILE
  55 pcb -x png --dpi 200 --only-visible --photo-mode --outfile $RIGHTPNG $RIGHTFILE
  56 convert -colorspace gray $LEFTPNG $LEFTBNW
  57 convert -colorspace gray $RIGHTPNG $RIGHTBNW
  58 composite -stereo 0 $LEFTBNW $RIGHTBNW $DIFFPNG
  59 display $DIFFPNG
  60 rm $LEFTPNG
  61 rm $RIGHTPNG
  62 rm $LEFTBNW
  63 rm $RIGHTBNW
  64 rm $DIFFPNG