yeetgif
Composable GIF effects CLI, with reasonable defaults. Made for custom Slack/Discord emoji :)
Get it
Alternative 1: go get
go get -u github.com/sgreben/yeetgif/cmd/gif
Alternative 2: just download the binary
Either from the releases page, or from the shell:
# Linux
curl -L https://github.com/sgreben/yeetgif/releases/download/1.23.6/gif_1.23.6_linux_x86_64.tar.gz | tar xz
# OS X
curl -L https://github.com/sgreben/yeetgif/releases/download/1.23.6/gif_1.23.6_osx_x86_64.tar.gz | tar xz
# Windows
curl -LO https://github.com/sgreben/yeetgif/releases/download/1.23.6/gif_1.23.6_windows_x86_64.zip
unzip gif_1.23.6_windows_x86_64.zip
NOTE: To use the optimize command, you’ll also need the giflossy fork of gifsicle installed:
brew install giflossy
You’ll likely also want to have the binary in your $PATH. You can achieve this by adding this to your .bashrc (or .zshrc, …):
export PATH=<directory-containing-the-gif-binary>:$PATH
Alternative 3: docker
docker pull quay.io/sergey_grebenshchikov/yeetgif
docker tag quay.io/sergey_grebenshchikov/yeetgif gif # (optional)
Use it
<doc/yeet.png gif fried | gif wobble >doc/yeet.gif
gif emoji aubergine | gif wobble >doc/eggplant_wobble.gif
Hall of Fame
Post a GIF made using yeetgif with either the
Best Most utterly demented ones end up below!
No entries yet. Be the first :)
Usage
Usage: gif [OPTIONS] COMMAND [arg...]
Options:
-n Duplicate a single input image this many times (default 30)
-q, --quiet Disable all log output (stderr)
-p, --pad Pad images (default true)
--write-meta Write command line options into output GIF metadata (default true)
-r, --raw Raw (lossless, *not* GIF) image output, for re-piping to yeetgif
-d, --delay-ms Frame delay in milliseconds (default [25])
Commands:
roll (☭ ͜ʖ ☭)
wobble 🍆( ͡° ͜ʖ ͡°)🍆
pulse ( ͡◉ ͜ʖ ͡◉)
zoom (⌐▀͡ ̯ʖ▀)
shake ˵(˵ ͡⚆ ͜ʖ ͡⚆˵)˵
woke 💯 W O K E F L A R E S ( ͡ 🅱️ ͜ʖ ͡ 🅱️ ) 💯
fried fr͍͈i̗̟̲̻e͕̗d̬ m̷͔͊e̶̪̿m̷̙̈́é̵̤s̷̺͒
hue ( ͡☆ ͜ʖ ͡☆)
tint 🎨༼ຈل͜ຈ༽
resize (° ͜ʖ°)¯\_( ͡☉ ͜ʖ ͡☉)_/¯
crop ┬┴┬┴┤ ͜ʖ ͡°)
optimize 👌( ͡ᵔ ͜ʖ ͡ᵔ )👌
compose (ﾉ ͡° ͜ʖ ͡°)ﾉ*:･ﾟ✧
crowd (⟃ ͜ʖ ⟄) ͜ʖ ͡°)( ° ͜ʖ( ° ͜ʖ °)
erase ( ͡° ͜ʖ ͡°)=ε/̵͇̿̿/'̿̿ ̿ ̿ ̿ ̿ ̿
chop ✂️( ͡°Ĺ̯ ͡° )🔪
text 🅰️乁(˵ ͡☉ ͜ʖ ͡☉˵)┌🅱️
emoji ╰( ͡° ͜ʖ ͡° )つ──☆*🤔
rain 。°。°( ͡° ͜ʖ ͡ °)°。°。°
scan ( ͡ ⿳ ͜ʖ ͡ ⿳ )
noise ·͙*̩̩͙˚̩̥̩̥( ͡▓▒ ͜ʖ ͡█░ )*̩̩͙:͙
cat /ᐠ｡ꞈ｡ᐟ\
meta (🧠 ͡ಠ ʖ̯ ͡ಠ)┌
Run 'gif COMMAND --help' for more information on a command.
Conventions & tips
- To find out how a given example was made, try running
gif meta show on it (e.g. <yeet.gif gif meta show -p will print the shell pipe of gif effects used to create yeet.gif).
- Use the
--raw (-r) option for intermediate pipe steps – this is faster than re-encoding as GIF every time. Also it’s lossless.
- Options with bracketed default values (e.g.
--noise of fried) can take comma-separated values - the points will be spread over the animation length, with intermediate values linearly interpolated.
- To figure out what a parameter does, try out some values around its default value, as well as much larger/smaller ones.
- To reduce GIF size, try specifying a smaller number of duplicates for static images (e.g.
gif -n 20), gif optimize, and dropping frames gif chop drop every <N>.
roll
Usage: gif roll [OPTIONS]
(☭ ͜ʖ ☭)
Options:
-r, --revolutions (default 1)
-s, --scale (default 1)
-p, --phase (default 0)
-c, --crop-scale (default 1)
wobble
Usage: gif wobble [OPTIONS] [CUSTOM]
🍆( ͡° ͜ʖ ͡°)🍆
Arguments:
CUSTOM comma-separated angles (°), e.g. 0,10,0,60,0 (default [])
Options:
-f, --frequency (default 1)
-a, --amplitude (default 20)
-p, --phase (default 0)
-t, --type one of [sine snap saw sticky] (default sine)
--custom (deprecated) (default [])
pulse
Usage: gif pulse [OPTIONS] [ZOOM_LEVELS_CSV]
( ͡◉ ͜ʖ ͡◉)
Arguments:
ZOOM_LEVELS_CSV (default [])
Options:
-0, --from (default 0.9)
-1, --to (default 1)
-f, --frequency (default 1)
-p, --phase (default 0)
zoom
Usage: gif zoom [OPTIONS] [ZOOM_LEVELS_CSV]
(⌐▀͡ ̯ʖ▀)
Arguments:
ZOOM_LEVELS_CSV e.g. 1.0,1.5 to zoom from 100% to 150% (default [])
shake
Usage: gif shake [OPTIONS]
˵(˵ ͡⚆ ͜ʖ ͡⚆˵)˵
Options:
-f, --frequency (default [1])
-a, --amplitude (default [7])
-r, --random 🌀 (default [0.75])
woke
Usage: gif woke [OPTIONS] POINTS
💯 W O K E F L A R E S ( ͡ 🅱️ ͜ʖ ͡ 🅱️ ) 💯
Arguments:
POINTS flare locations, JSON, e.g. "[[123,456],[-100,23]]" (default &[])
Options:
-c, --clip clip flares to image alpha (default true)
-t, --type (default full)
-s, --scale (default 0.9)
-u, --hue (default 0.8)
-l, --lightness (default 1)
-a, --alpha (default 0.8)
-p, --alpha-pow (default 2)
--alpha-threshold (default 0.15)
-r, --random 🌀 (default 0.5)
fried
Usage: gif fried [OPTIONS]
fr͍͈i̗̟̲̻e͕̗d̬ m̷͔͊e̶̪̿m̷̙̈́é̵̤s̷̺͒
Options:
--clip (default true)
-w, --walk 🌀 (default 10)
-i, --iterations (default 1)
-a 🅰️ (default [0.33])
-b 🅱️ (default [0.2])
-c 🆑 (default [0.9])
-n, --noise 🌀️ (default [1])
--noise1 🌀️ (default [0.02])
--noise2 🌀️ (default [0.5])
--noise3 🌀 (default [0.1])
-j, --jpeg [0,100] (default [84])
-u, --saturation (default [3])
-o, --contrast (default [6])
-t, --tint tint (default [0.4])
hue
Usage: gif hue [OPTIONS] [HUE_OFFSETS_CSV]
( ͡☆ ͜ʖ ͡☆)
Arguments:
HUE_OFFSETS_CSV (default [])
Options:
-f, --frequency (default 1)
-a, --amplitude (default 0.1)
-x (default [1])
-y (default [1])
-m, --mode one of [mul add sub pow sin] (default add)
tint
Usage: gif tint [OPTIONS] [TINT_HUE_CSV]
🎨༼ຈل͜ຈ༽
Arguments:
TINT_HUE_CSV (default [])
Options:
-f, --frequency (default 1)
-a, --amplitude (default 0.95)
-x (default [1])
-y (default [1])
-m, --mode one of [mul add sub pow sin] (default add)
-c, --center (default 0.8608454902138696)
resize
Usage: gif resize [OPTIONS]
(° ͜ʖ°)¯\_( ͡☉ ͜ʖ ͡☉)_/¯
Options:
-s, --scale (default 1)
-x, --width width (pixels) (default 0)
-y, --height height (pixels) (default 0)
crop
Usage: gif crop [OPTIONS]
┬┴┬┴┤ ͜ʖ ͡°)
Options:
-t, --threshold (default 0)
optimize
Usage: gif optimize [OPTIONS]
👌( ͡ᵔ ͜ʖ ͡ᵔ )👌
Options:
--kb target file size (KB) (default 128)
-n, --no-resize don't resize the image
-x, --width target width (pixels) (default 0)
-y, --height target height (pixels) (default 0)
compose
Usage: gif compose [OPTIONS] INPUT
(ﾉ ͡° ͜ʖ ͡°)ﾉ*:･ﾟ✧
Arguments:
INPUT
Options:
-x (default [0])
-y (default [0])
-z, --z-order one of [under over] (default over)
-p, --position one of [center left right top bottom abs] (default center)
-s, --scale (default [1])
crowd
Usage: gif crowd [OPTIONS]
(⟃ ͜ʖ ⟄) ͜ʖ ͡°)( ° ͜ʖ( ° ͜ʖ °)
Options:
-n crowd size (default 3)
--flip 🌀 flip (default true)
-x 🌀 x (default 0.5)
-y 🌀 y (default 0.25)
-s, --scale 🌀 [0.0,1.0] (default 0.25)
-r, --rotate 🌀 [0.0,1.0] (default 0.1)
-a, --alpha 🌀 [0.0,1.0] (default 0)
-o, --offset 🌀 [0.0,1.0] (default 1)
erase
Usage: gif erase [OPTIONS]
( ͡° ͜ʖ ͡°)=ε/̵͇̿̿/'̿̿ ̿ ̿ ̿ ̿ ̿
Options:
-x, --sample-x (default 3)
-y, --sample-y (default 3)
-t, --tolerance (default 0.2)
-u (default 1)
-s (default 0.5)
-l (default 1)
chop
Usage: gif chop COMMAND [arg...]
✂️( ͡°Ĺ̯ ͡° )🔪
Commands:
shuffle
dup, duplicate
drop
rev, reverse
Run 'gif chop COMMAND --help' for more information on a command.
text
woke | text | fried
Usage: gif text [OPTIONS] [TEXT]
🅰️乁(˵ ͡☉ ͜ʖ ͡☉˵)┌🅱️
Arguments:
TEXT (default "#yeetgif")
Options:
-a, --background-alpha (default 0.7)
-s, --font-size (default 18.5)
-y, --text-y (default 0.3)
-p, --background-padding (default 3)
emoji
emoji | compose <(emoji) | compose <(emoji) | wobble | fried
Usage: gif emoji [OPTIONS] EMOJI...
╰( ͡° ͜ʖ ͡° )つ──☆*🤔
Arguments:
EMOJI one or more glob expressions
Options:
-e, --exact match the query exactly
-p, --pipe overlay the emoji over input images (instead of just creating one)
-l, --list-only just list matches
-s, --size (default [128])
-a, --pipe-alpha (default [1])
rain
emoji | rain
emoji | roll | rain <(emoji) <(emoji)
emoji | pulse | rain <(emoji) | compose | fried
Usage: gif rain [OPTIONS] [INPUT...] [OPTIONS]
。°。°( ͡° ͜ʖ ͡ °)°。°。°
Arguments:
INPUT
Options:
-d, --density (default 0.75)
-b, --bounciness (default [0.3])
-g, --gravity (default 900)
-s, --size (default 400)
-a, --bounds-alpha-threshold (default 0.0625)
-v, --initial-linear-velocity (default 300)
-l, --animation-length-factor (default 1)
-x, --static-x (default 0.5)
-y, --static-y (default 0.5)
--wrap-max-overlap (default 48)
--wrap-max-overlap-frames (default 24)
--initial-angular-velocity (default 2)
--bounds-points (default 16)
cat
Usage: gif cat [INPUT...]
/ᐠ｡ꞈ｡ᐟ\
Arguments:
INPUT <filename>
$ <doc/yeet.gif gif meta show
[2018-10-05T13:08:57+02:00] gif fried
[2018-10-05T13:08:58+02:00] gif wobble
[2018-10-05T13:08:58+02:00] gif crop
[2018-10-05T13:08:58+02:00] gif optimize -x 0
$ <doc/yeet.gif gif meta show -p
gif fried | gif wobble | gif crop | gif optimize -x 0
$</filename></n></doc></directory-containing-the-gif-binary>
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