How to setup saving Animated GIFs from HAniS -- the HTML5 AnimationS webapp

Page updated: July, 2021

When you want to allow users to save an "animated GIF" file of the current HAniS animation, you should do the following

  1. In the current (version 4.41 and later) HAniS code ZIP file, you will find another ZIP file, animated.gif, which you must also "un-zip" in the same directory as the HAniS JavaScript code is located. This will add 4 files to your directory.

  2. Add <script src="gif.js"> </script> to your HTML along with the hanis.js or hanis_min.js

  3. In your "configuration", add anigif to the list of "controls" (or "bottom_controls")

  4. If you want to provide for a filename to save the animated GIF to, include the "parameter", anigif_filename=

  5. If you want the user to be prompted for a different filename, include the "parameter", anigif_prompt=

When the user clicks the "Make GIF" button (or whatever you relabeled it as), the label will first change to say "Loading". At this point, the animation will run through once from the beginning. After this, the button label will change to show a percent completion as the "rendering" takes place. After the file is saved, the original label is restored.

The frame rate of the animated GIF will be the same as the frame rate in HAniS. Also, the size of the images will be the size of the images displayed in HAniS.

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