Graphics Interchange Format

graphics interchange format

[¦graf·iks ′in·tər‚chānj ‚fȯr‚mat] (computer science) Common file format for compressed graphic images on the World Wide Web that is limited to 256 colors. Abbreviated GIF.

Graphics Interchange Format

(graphics, file format)/gif/, occasionally /jif/ (GIF, GIF89A) A standard for digitised images compressed with theLZW algorithm, defined in 1987 by CompuServe (CIS).

Graphics Interchange Format and GIF are service marks ofCompuServe Incorporated. This only affects use of GIFwithin Compuserve, and pass-through licensing for software toaccess them, it doesn't affect anyone else's use of GIF. Itfollowed from a 1994 legal action by Unisys against CIS forviolating Unisys's LZW software patent. The CompuServeVice President has stated that "CompuServe is committed tokeeping the GIF 89A specification as an open, fully-supported,non-proprietary specification for the entire on-line communityincluding the World-Wide Web".

Filename extension: .gif.

File format.

GIF89a specification.

See also progressive coding, animated GIF.

单词	graphics interchange format
释义	Graphics Interchange Format graphics interchange format [¦graf·iks ′in·tər‚chānj ‚fȯr‚mat] (computer science) Common file format for compressed graphic images on the World Wide Web that is limited to 256 colors. Abbreviated GIF. Graphics Interchange Format (graphics, file format)/gif/, occasionally /jif/ (GIF, GIF89A) A standard for digitised images compressed with theLZW algorithm, defined in 1987 by CompuServe (CIS). Graphics Interchange Format and GIF are service marks ofCompuServe Incorporated. This only affects use of GIFwithin Compuserve, and pass-through licensing for software toaccess them, it doesn't affect anyone else's use of GIF. Itfollowed from a 1994 legal action by Unisys against CIS forviolating Unisys's LZW software patent. The CompuServeVice President has stated that "CompuServe is committed tokeeping the GIF 89A specification as an open, fully-supported,non-proprietary specification for the entire on-line communityincluding the World-Wide Web". Filename extension: .gif. File format. GIF89a specification. See also progressive coding, animated GIF. AcronymsSeeGIF
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