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man pages section 5: File Formats

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Updated: Thursday, June 13, 2019
 
 

jng (5)

Name

jng - format

Synopsis

Please see following description for synopsis

Description

JNG(5)                        File Formats Manual                       JNG(5)



NAME
       jng - JPEG Network Graphics (JNG) sub-format

DESCRIPTION
       JNG  (JPEG Network Graphics) is a sub-format of the MNG (Multiple-image
       Network Graphics) format. As with MNG it extends on the features of the
       popular PNG (Portable Network Graphics) image-format.

       This sub-format was designed to support a lossy compression-method.  It
       is based completely on the JPEG specification. It  adds  the  high-com-
       pression ratios of JPEG for photographic images.

       As  a member of the Network Graphics family, JNG was deemed adequate as
       a stand-alone format as it extends the JPEG format  with  color-correc-
       tion and transparency features.



ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+-------------------------+
       |ATTRIBUTE TYPE |    ATTRIBUTE VALUE      |
       +---------------+-------------------------+
       |Availability   | library/graphics/libmng |
       +---------------+-------------------------+
       |Stability      | Uncommitted             |
       +---------------+-------------------------+
SEE ALSO
       png(5), mng(5), libmng(3)

       MNG 1.00, February 9, 2001:

              http://www.libpng.org/pub/mng


AUTHORS
       This man page: Gerard Juyn

       Multiple-image   Network  Graphics  (MNG)  Specification  Version  1.00
       (Februari  9,   2001):   Glenn   Randers-Pehrson   and   others   (png-
       list@ccrc.wustl.edu).

COPYRIGHT NOTICE
       The  MNG-1.00  specification  is copyright (c) 1998-2001 Glenn Randers-
       Pehrson.  See the specification for conditions of use and distribution.

NOTES
       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source        was        downloaded        from         https://source-
       forge.net/projects/libmng/files/libmng-
       devel/1.0.10/libmng-1.0.10.tar.gz

       Further information about this software can be found on the open source
       community website at http://www.libmng.com/.



                                 July 26, 2000                          JNG(5)