mdw@git.distorted.org.uk Git - sgt/puzzles/blob - icons/screenshot.sh

   1 #!/bin/sh
   2
   3 # Generate a screenshot from a puzzle save file. Takes the
   4 # following arguments, in order:
   5 #
   6 #  - the name of the puzzle binary
   7 #  - the name of the save file
   8 #  - the name of the output image file
   9 #  - (optionally) the proportion of the next move to redo before
  10 #    taking the screenshot.
  11 #
  12 # This script requires access to an X server in order to run, but
  13 # seems to work fine under xvfb-run if you haven't got a real one
  14 # available (or if you don't want to use it for some reason).
  15
  16 binary="$1"
  17 save="$2"
  18 image="$3"
  19 if test "x$4" != "x"; then
  20   redo="--redo $4"
  21 else
  22   redo=
  23 fi
  24
  25 "$binary" $redo --windowid --load "$save" 2>/dev/null | {
  26   read windowid
  27   # I'm not sure why I have to do this sleep, since gtk.c does
  28   # carefully redraw the window _before_ outputting the window ID,
  29   # but nonetheless this script doesn't seem to be reliable without
  30   # it :-/
  31   sleep 1
  32   xwd -silent -id $windowid | convert xwd:- "$image"
  33   xkill -id $windowid >/dev/null
  34 }