Convert Font to ASCII PNG Image / Texture

font2asciipng.sh

# font2asciipng.sh
#
# This script uses imagemagick to generate a simple .png
# texture with ascii characters [32-127] from a font.
#
# Author: Nicholas McDonald

# Parameters

FONTNAME="gohufont.otb"
GLYPH_W=8
GLYPH_H=14
OUTPUT="output.png"
TEX_W=$((96*$GLYPH_W))

# Compute the ASCII String

for i in {32..127}
do
  ASCII="$ASCII$(printf "\\$(printf %o $i)")"
done

# Generate .PNG

echo $ASCII |\
   convert -pointsize ${GLYPH_H} -font ${FONTNAME} -page ${TEX_W}x${GLYPH_H}+${GLYPH_W}+0 \
           text: ${OUTPUT}