#!/bin/sh
# This assumes you have Python, the ImageMagick binaries in your path,
# and the chosen fonts in their respective locations. This also takes
# a blank image final.jpg  and writes the characters to it.

FONTWIDTH=8
FONTPATH="/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf"

# Print only printable ASCII chars
for ((i = 32; i < 127; i++))
do
  # for some reason ImageMagick has problems printing '%'
  s=`python -c "print chr($i)" | sed "s/%/?/"`

  # catch non-printable characters
  if [ `echo -n "$s" | wc -c` != 1 ]
  then
    s=" "
  fi

  echo "Writing char $i -- \"$s\"..."
  convert -font ${FONTPATH} -pointsize ${FONTWIDTH} -annotate +`expr $i \* ${FONTWIDTH}`+6 "$s" final.png tmp.png
#  qiv tmp.png

  mv tmp.png final.png
done