Most of these loop forever, hold control and press C to interrupt them.
$ curl -sL http://bit.ly/1DRCK7q | ruby - # owl small
$ curl -sL http://bit.ly/1EEKZ7v | ruby - # owl sharp
$ curl -sL http://bit.ly/1JdRkxh | ruby - # pacman small
$ curl -sL http://bit.ly/1HhjojP | ruby - # pacman big
$ curl -sL http://bit.ly/1H3EUmQ | ruby - # pony sharp
$ curl -sL http://bit.ly/1QJs83R | ruby - # pony small
$ curl -sL http://bit.ly/1KK1GD9 | ruby - # nyan cat
$ curl -sL http://bit.ly/1A0iNjU | ruby - # kitten$ brew install imagemagick # C dependency for reading gifs
$ bundle # Get the Ruby dependencies
$ rspec # Run the tests
$ bin/gif2rb examples/nyan.gif | ruby - # Run the binary# see all options
$ bin/gif2rb -h
# run the owl
$ bin/gif2rb examples/owl.gif | ruby -
# run the kitten with highest quality pixels
$ bin/gif2rb examples/kitten.gif -s sharp | ruby -# Turn the white bg to transparent
convert pony.gif -alpha set -channel RGBA -fuzz '20%' -fill none -floodfill +0+0 black pony2.gif
# Crop the unused space (WxH+X+Y)
convert pony.gif -crop 88x80+34+40 pony4.gif
# Trim bounds (didn't work)
# convert anim_bgnd.gif -layers TrimBounds anim_trim_bounds.gif
# Extract frames from the animation
# convert pony.gif -scene 1 +adjoin frame_%03d.gif
# Okay, in the end, this is what I actually went with
convert pony.gif -crop 88x80+34+40 +repage -scale 50% pony4.gif
# Fixing disposal and alpha for pacman, scaling down, cropping the border (still doing this by trial and error >.<
$ convert -dispose Previous pacman.gif \
-alpha set \
-channel RGBA \
-fuzz '20%' \
-fill none \
-floodfill +0+0 black \
-scale 20% \
-crop 100%x25+0+25 +repage \
pacman3.gif
# deleting frames we don't want
$ convert examples/nyan.gif -delete 5-8 -scale 11% examples/nyan.gif