Information About

Libjpeg
  CATEGORIES ABOUT LIBJPEG
   
graphics libraries
   
c libraries
   
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Information

  Name libjpeg
  Developer Independent JPEG Group
  Latest Release Version 6b
  Latest Release Date 27 March , 1998
  Genre Library
  License Free, can be used in commercial applications without royalty, with acknowledgement
  Website ijgorg


libjpeg is a Library written entirely in C which contains the implementation of JPEG decoder, JPEG encoder and other JPEG utilities. This library is maintained by the Independent JPEG Group. The current version of the library is 6b and was released in 1998 .

The following utility programs are available with libjpeg:
  • cjpeg and '''djpeg''', for performing conversions between JPEG and some other popular image file formats.

  • jpegtran - a utility for lossless transcoding between different JPEG formats. The ''jpegtran'' command-line program is useful to optimize the compression of a JPEG file, convert between progressive and non-progressive JPEG formats, eliminate non-standard application-specific data inserted by some image programs, or to perform certain transformations on a file — such as grayscaling, or rotating and flipping (within certain limits) — all done "losslessly" (i.e. without decompressing and recompressing the data, and so causing a reduction of image quality due to Generation Loss ).

  • rdjpgcom and '''wrjpgcom''', for inserting and extracting textual comments in JFIF files.



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