MAN page from OpenSuSE libpng12-compat-devel-1.2.57-lp152.4.3.x86_64.rpm
Section: File Formats (5)
Updated: December 29, 2016Index
png - Portable Network Graphics (PNG) format
PNG (Portable Network Graphics) is an extensible file format for thelossless, portable, well-compressed storage of raster images. PNG providesa patent-free replacement for GIF and can also replace manycommon uses of TIFF. Indexed-color, grayscale, and truecolor images aresupported, plus an optional alpha channel. Sample depths range from1 to 16 bits.
PNG is designed to work well in online viewing applications, such as theWorld Wide Web, so it is fully streamable with a progressive displayoption. PNG is robust, providing both full file integrity checking andfast, simple detection of common transmission errors. Also, PNG can storegamma and chromaticity data for improved color matching on heterogeneousplatforms.
, and zlib(5)
PNG specification (second edition), November 2003:
<http://www.w3.org/TR/2003/REC-PNG-20031110/PNG 1.2 specification, July 1999:
PNG 1.0 specification, October 1996:
or (as a W3C Recommendation) at
This man page: Glenn Randers-Pehrson
Portable Network Graphics (PNG) Specification (Second Edition)Information technology - Computer graphics and image processing -Portable Network Graphics (PNG): Functional specification.ISO/IEC 15948:2003 (E) (November 10, 2003): David Duce and others.
Portable Network Graphics (PNG) Specification Version 1.2 (July 8, 1999):Glenn Randers-Pehrson and others (png-list).
Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996):Thomas Boutell and others (png-list).
This man page is Copyright (c) 1998-2006 Glenn Randers-Pehrson. See png.hfor conditions of use and distribution.
The PNG Specification (Second Edition) isCopyright (c) 2003 W3C. (MIT, ERCIM, Keio), All Rights Reserved.
The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson.See the specification for conditions of use and distribution.
The PNG-1.0 specification is copyright (c) 1996 Massachusetts Institute ofTechnology. See the specification for conditions of use and distribution.
- SEE ALSO
- COPYRIGHT NOTICE
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