Struttura del formato GIF
Da Gambas-it.org - Wikipedia.
- http://www.brescianet.com/manuali/specifiche/gif89a.pdf
- http://www.brescianet.com/manuali/specifiche/gif87a.pdf
- http://giflib.sourceforge.net/whatsinagif/index.html
- https://en.wikipedia.org/wiki/GIF#Example_GIF_file
- https://en.wikipedia.org/wiki/GIF#Animated_GIF
- https://books.google.it/books?id=_nJLvY757dQC&pg
- https://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp
- https://www.fileformat.info/format/gif/egff.htm
- https://tronche.com/computer-graphics/gif/gif89a.html#graphic-control-extension
- https://www.oreilly.com/library/view/programming-web-graphics/1565924789/ch01s02.html
