text-graphic/avatar.sh

#!/bin/bash
#
# usage: avatar.sh a
#
# generate alphabet example:
# for x in {a..z}; do ./avatar.sh $x; done

imgtxt=$1
final=$imgtxt.png

if [ -z "$imgtxt" ]; then
	echo "usage: avatar.sh text"
	exit 1
fi

echo "Generating image..."

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
#font_reg=$DIR/fonts/Lora-Regular.ttf
font_reg=$DIR/fonts/OpenSans-Regular.ttf

# Generate post text
convert -background white -fill black -font $font_reg -size 512x512 -pointsize 300 -gravity center -interline-spacing 0 caption:"$imgtxt" $final

echo "DONE. See $(pwd)/$final"