en/2008/06/flash-animations-by-saveswf-in-package-animation/
en/2008/06/flash-animations-by-saveswf-in-package-animation/
The SWF Tools has provided several SWF utilities for the manipulation and creation of Flash files. Today I just wrote a wrapper saveSWF() in the package animation to convert image frames to Flash …
https://yihui.org/en/2008/06/flash-animations-by-saveswf-in-package-animation/