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gif animation

Gif Animation

History
CompuServe introduced the GIF format in 1987 to provide a color image format for their file downloading areas, replacing their earlier run-length encoding (RLE) format, which was black and white only. GIF became popular because it used LZW data compression, which was more efficient than the run-length encoding that formats such as PCX and MacPaint used, and fairly large images could therefore be downloaded in a reasonably short time, even with very slow modems.
The original version of the GIF format was called 87a. In 1989, CompuServe devised an enhanced version, called 89a, which added support for animation delays (multiple images in a stream were already supported in 87a), transparent background colors, and storage of application-specific metadata. The 89a specification also supports incorporating text labels as text (not embedding them in the graphical data), but as there is little control over display fonts, this feature is not widely used. The two versions can be distinguished by looking at the first six bytes of the file (the "magic number" or "signature"), which, when interpreted as ASCII, read "GIF87a" and "GIF89a", respectively.

File information
Filename:731826.gif
Album name:Emoticons
Rating (1 votes):55555
Keywords:#gif #animation
Filesize:2767 KiB
Date added:Feb 10, 2017
Dimensions:300 x 518 pixels
Displayed:153 times
URL:displayimage.php?pid=731826
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