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All Sections 1. General Commands 2. System Calls 3. Subroutines 4. Special Files 5. File Formats 6. Games and Demos 7. Macros and Conventions 8. Maintenence Commands

 

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-compression 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-correction and transparency features.

 

SEE ALSO

png(5),mng(5),libmng(3)

MNG 0.97 draft 70, Februari 2000:

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

 

AUTHORS

This man page: Gerard Juyn

Multiple-image Network Graphics (MNG) Specification Version 0.97 (Februari 27, 2000): Glenn Randers-Pehrson and others (png-list@ccrc.wustl.edu).

 

COPYRIGHT NOTICE

The MNG-0.97 specification is copyright (c) 1998,1999,2000 Glenn Randers-Pehrson. See the specification for conditions of use and distribution.

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Index

NAME

DESCRIPTION

SEE ALSO

AUTHORS

COPYRIGHT NOTICE