image-captioner.zsh

#!/bin/zsh
set -e
setopt extendedglob

o_font=(--font /Library/Fonts/Impact.ttf)
o_pointsize=(--pointsize 42)
o_remote=(--remote "people.yelpcorp.com:public_html/dockercats/")
o_identity=(--identity "dockercats")
o_irc=(--irc)
o_tumblr=()
o_fight=()
zparseopts -K -D -E -- -font:=o_font -pointsize:=o_pointsize -remote:=o_remote -identity:=o_identity -irc:=o_irc -tumblr=o_tumblr -fight=o_fight

font=${o_font[2]}
pointsize=${o_pointsize[2]}
remote=${o_remote[2]}
identity=${o_identity[2]}
irc=${o_irc[2]}
tumblr=${o_tumblr[1]}
fight=${o_fight[1]}

source="$1"

top_text=
bottom_text=
if [ -z "$3" ]; then
   bottom_text="$2"
else
   top_text="$2"
   bottom_text="$3"
fi

dest="$(dirname "${source}")"/captioned/"${top_text//[^[:alnum:]]##/-}${bottom_text//[^[:alnum:]]##/-}.${source##*.}"
if [ ! -d "$(dirname ${dest})" ]; then
    mkdir -v "$(dirname ${dest})"
fi

if [ -n "$fight" ]; then
convert -pointsize "${pointsize}" -font "${font}" \
        -stroke black -fill white -strokewidth 3 \
        \( "${source}[0-7]" \
        -gravity NorthEast -draw "text 5,0 '${top_text}'" \) \
        \( "${source}[8-15]" \
        -gravity SouthWest -draw "text 8,0 '${bottom_text}'" \) \
        \( "${source}[16-23]" \
        -gravity NorthEast -draw "text 5,0 '${top_text}'" \) \
        \( "${source}[24-31]" \
        -gravity SouthWest -draw "text 8,0 '${bottom_text}'" \) \
        -loop 0 "${dest}"
else
convert "${source}" -pointsize "${pointsize}" -font "${font}" \
        -stroke black -fill white -strokewidth 3 \
        -gravity North -annotate 0 "${top_text}" \
        -gravity South -annotate 0 "${bottom_text}" \
        -loop 0 "${dest}"
#convert -pointsize "${pointsize}" -font "${font}" \
#       -stroke black -fill white -strokewidth 3 \
#        \( "${source}[0-12]" -gravity North -annotate 0 "${top_text}" \) \
#        \( "${source}[13-16]" -gravity South -annotate 0 "${bottom_text}" \) \
#       -loop 0 "${dest}"
#
fi


open "${dest}"