ps2png.sh

   1 #!/usr/bin/env bash
   2
   3 if [ -z "$1" -o -z "$2" ]; then
   4         echo "${0##*/}:  generate PNG raster image from PostScript file"  >&2
   5         echo "usage:  ${0##*/} <infile> <outfile> [outsize] [outres]"  >&2
   6         exit 1
   7 fi
   8
   9
  10 RES=72
  11 BOX=128
  12 if [ -n "$4" ]; then
  13         RES="$4"
  14 fi
  15 if [ -n "$3" ]; then
  16         BOX="$3"
  17 fi
  18
  19 if ! echo "$BOX" |grep x; then
  20         BOX="${BOX}x${BOX}"
  21 fi
  22
  23
  24 gs -sDEVICE=pngalpha \
  25    -q \
  26    -dNOPAUSE \
  27    -sOutputFile="$2" \
  28    -r"$RES" \
  29    -g"$BOX" \
  30    "$1"
  31
  32 exit "$?"