Adding text to images with ImageMagickEdit
Example
Taking a Palpatine GIF which already has a caption, "Use my knowledge. I beg you." and:
- Adding "Review my PR." immediately above.
- Drawing a line through "Use my knowledge."
magick convert \
-pointsize 18 \
-fill white \
-annotate '0x0+150+140' "Review my PR." \
-draw "line 150,155 320,155" \
input.gif output.gif