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<x-gif>

The GIF tag the internet deserves

Usage

<x-gif> is a web component for flexible GIF playback. Because GIFs are cool, and it's fun to mess around with them. Right now it's only defined as a Polymer element, but wrappers for other popular component frameworks are coming.

<x-gif src="probably_cats.gif"></x-gif>

This does the following:

  • AJAX fetches the GIF as a binary stream
  • Slices the GIF into frames like a total boss
  • Stacks the frames one on top of the other
  • Starts a requestAnimationFrame loop to play back the gif at its natural frame rate

Here's a demo! It just might work in your browser!

Options

Speed

Spins through the frames at its natural rate multiplied by speed

<x-gif src="definitely_cats.gif" speed="2.1"></x-gif>

Bpm

Breaks the GIF across 1 or more beats (depending on how long the GIF is), where each beat is 1/bpm minutes long.

<x-gif src="something_dumb_from_buzzfeed.gif" bpm="120"></x-gif>

Hard-bpm

Just like bpm but locks all GIFs to one beat, regardless of how long they were originally.

<x-gif src="something_dumb_from_buzzfeed.gif" hard-bpm="120"></x-gif>

Stopped

<x-gif src="something_rad_off_reddit.gif" stopped></x-gif>

Stops the requestAnimationFrame loop inside the GIF. You can add or remove the stopped attribute and it will stop or start. Obvs.


### Sync

```html
<x-gif src="mr_t_works_it.gif" sync></x-gif>

Defers playback to an external clock, such as beat data from an audio stream to make rad synchronised GIFs & music. See an example.

Status

  • Polymer element - DONE!
  • Angular directive - TODO
  • React component - TODO
  • Ember component - TODO

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A custom element for flexible GIF playback

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  • HTML 75.7%
  • CSS 14.0%
  • JavaScript 10.3%