What is the Full Form of GIF
Full Form of GIF
The full form of GIF is “Graphics Interchange Format”. The Graphics Interchange Format is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on 15 June 1987. After the full form of GIF is described here.
What is GIF?
GIF is a lossless data compression format which means that no information is lost in the compression, it quickly became a popular format for transmitting and storing graphic files.
How GIF is created?
We have covered the full form of GIF and the definition of GIF. Here are going to see how GIF is being created in COMPUTER. At the time of its formation, GIF’s support of 256 different colors was considered vast, as many computer monitors had the exact limit (in 8-bit systems, or 28 colors). The method used to keep file size to a minimum is a compression algorithm commonly referred to as LZW, named after its founder, Abraham Lempel and Jacob Ziv of Israel and Terry Welch of the United States.
History of GIF
On June 15, 1987, CompuServe launched GIF to offer their file download region with a color image format, updating their older black and white RLE (Run-Length Encoding) format. The original version of GIF was called 87a. In 1989, CompuServe released an updated version, called 89a, which introduced transparent background colors for animation delays and stored detailed metadata for an application. Full form of GIF is described here with related information.
Usages of GIF
GIFs are suitable for sharp-edged line art with a fixed number of colors, such as logos. This takes advantage of the format’s lossless compression of the image, which favors flat areas of uniform color with well-defined edges. They can also be used to store low-color sprite data for games. GIFs can be used for small animations and low-resolution video clips for websites/ applications. Or as reactions in online messaging used to convey emotion and feelings instead of using words. They are popular on social media platforms such as Tumblr, Facebook, and Twitter.
- GIFs are appropriate for a small number of colors such as sharp-edged line art, like logos. It takes advantage of the lossy compression of the format, which favors large surfaces with well-defined edges of uniform color.
- GIFs can be used for games to preserve low-color sprite information.
- GIFs can be used on tiny animations and video clips of low resolution.
Image coding for GIF
The full form of GIF is described here. The image pixel data, scanned horizontally from the top left, are converted by LZW encoding techniques to codes that are then mapped into bytes for storing in the file image. The pixel codes typically don’t match the 8-bit size of the bytes, so the codes are packed into bytes by a “little-Endian” formula: the least significant bit of the first code is stored in the least significant bit of the first byte, and higher order bits of the code into higher order bits of the byte, spilling over into the low order bits of the next byte as necessary. Each subsequent code is stored starting at the least significant bit not already used. The detailed information related to full form of GIF is here.
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