doclib/dot

   1 #!/bin/sh
   2
   3 topdir="`dirname "$0"`"; topdir="`cd "$topdir/.."; pwd`"
   4 sed -i -e 's/rankdir=LR/rankdir=TB/' "$1"
   5 "$topdir/doclib/dot-munge.pl" "$1"
   6
   7 case "$2" in
   8     -Tpng:gd)
   9     first="$1"; shift; shift
  10     set -- "$first" "-Tpng" "$@"
  11     ;;
  12     *)
  13 esac
  14
  15 set -e
  16
  17 dot "$@"
  18
  19 case "$4" in
  20     *.png)
  21     if [ -r "$4" ]; then
  22         size="`pngtopnm "$4" | sed -n -e '2p'`"
  23         width_a="${size% *}"
  24         height_a="${size#* }"
  25         if [ $width_a -gt 800 ]; then
  26             for file in "${1%.dot}".*; do
  27                 cp "$file" "$file.a"
  28             done
  29             sed -e 's/rankdir=LR/rankdir=TB/' -e t -e 's/rankdir=TB/rankdir=LR/' "$1.a" > "$1"
  30             dot "$@"
  31             size="`pngtopnm "$4" | sed -n -e '2p'`"
  32             width_b="${size% *}"
  33             height_b="${size#* }"
  34             if [ $width_a -lt $width_b ]; then
  35                 for file in "${1%.dot}".*.a; do
  36                 mv "$file" "${file%.a}"
  37                 done
  38             else
  39                 rm "${1%.dot}".*.a
  40             fi
  41         fi
  42     fi
  43     ;;
  44     *)  ;;
  45 esac