GIF89a Overlap Libary
policy
function
- image overlay likely gifovlty.c but GIF89a extended and overlay to overlap
- transparent overlapping
- join GIF animation frame timeline
spec
- accept different frame count each GIF image
- lcm frame animation generated.
- loop each frame count each GIF image
implementation
- split GIF image to frame
- all frame lcm calculation
- frame overlay with timeline t mod F{i} (t=timeline, F=frame count, i=image num)
- clip screen and dispose = true
relative
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