doclib/dot

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