Search found 2 matches

by TLUL
2013-02-26T14:14:18-07:00
Forum: Users
Topic: Creating unquantized GIFs via zero delay frame compositing
Replies: 5
Views: 11773

Re: Creating unquantized GIFs via zero delay frame compositi

I believe that technique was used years ago to create more-than-256-color GIFs before PNG became available. That's one use of it; but most important is the fact that it can be used to create full-colour animations, for which there is still no widely-supported PNG alternative (aPNG is one option but...
by TLUL
2013-02-25T00:17:48-07:00
Forum: Users
Topic: Creating unquantized GIFs via zero delay frame compositing
Replies: 5
Views: 11773

Creating unquantized GIFs via zero delay frame compositing

Since the GIF spec permits a different colour palette for each frame, it is possible to construct a colour-exact frame by using zero-delay frames for any colours beyond the first 256. Is there any way to instruct ImageMagick to do this automatically? If so, can it be done for multiple frames in an a...