png man page on IRIX

png man page on IRIX

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PNG(5)		  Image Format Library C++ Reference Manual		PNG(5)

NAME
     png - Portable Network Graphics (PNG) format

DESCRIPTION
     PNG (Portable Network Graphics) is an extensible file format for the
     lossless, portable, well-compressed storage of raster images. PNG
     provides a patent-free replacement for GIF and can also replace many
     common uses of TIFF. Indexed-color, grayscale, and truecolor images are
     supported, plus an optional alpha channel. Sample depths range from 1 to
     16 bits.

     PNG is designed to work well in online viewing applications, such as the
     World Wide Web, so it is fully streamable with a progressive display
     option. PNG is robust, providing both full file integrity checking and
     fast, simple detection of common transmission errors. Also, PNG can store
     gamma and chromaticity data for improved color matching on heterogeneous
     platforms.

SEE ALSO
     libpng(3),zlib(3),deflate(5),andzlib(5)

     PNG specification (second edition), November 2003:

	    <http://www.w3.org/TR/2003/REC-PNG-20031110/ PNG 1.2
	  specification, July 1999:

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

     PNG 1.0 specification, October 1996:

	  RFC 2083

	  ftp://ds.internic.net/rfc/rfc2083.txt
	  or (as a W3C Recommendation) at
	  http://www.w3.org/TR/REC-png.html

AUTHORS
     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).

									Page 1

PNG(5)		  Image Format Library C++ Reference Manual		PNG(5)

     Portable Network Graphics (PNG) Specification Version 1.0 (October 1,
     1996):  Thomas Boutell and others (png-list).

COPYRIGHT NOTICE
     This man page is Copyright (c) 1998-2004 Glenn Randers-Pehrson.  See
     png.h for conditions of use and distribution.

     The PNG Specification (Second Edition) is Copyright (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
     of Technology.  See the specification for conditions of use and
     distribution.

									Page 2

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