How can I export an animated GIF file?
Last updated at 10:40 am UTC on 7 April 2017
Example:
To export all thumbnails of all projects as an animated GIF:
writer _ GIFReadWriter on: (FileStream =newFileNamed: 'AllMyProjects.gif').
writer loopCount: 100; delay: 2000.
Project allMorphicProjects do: [ :p | writer nextPutImage: p thumbnail ].
writer close.
exampleAnim
"GIFReadWriter exampleAnim"
| writer extent center |
writer := GIFReadWriter on: (FileStream newFileNamed: 'anim.gif').
writer loopCount: 20. "Repeat 20 times"
writer delay: 10. "Wait 10/100 seconds"
extent := 42@42.
center := extent / 2.
Cursor write showWhile: [
[2 to: center x - 1 by: 2 do: [:r |
"Make a fancy anim without using Canvas - inefficient as hell"
| image |
image := ColorForm extent: extent depth: 8.
0.0 to: 359.0 do: [:theta | image colorAt: (center + (Point r: r degrees: theta)) rounded put: Color red].
writer nextPutImage: image]
] ensure: [writer close]].
