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Diffstat (limited to 'libpng/png.5')
| -rw-r--r-- | libpng/png.5 | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/libpng/png.5 b/libpng/png.5 index b0cbd2cf..c2da95c4 100644 --- a/libpng/png.5 +++ b/libpng/png.5 @@ -1,47 +1,49 @@ -.TH PNG 5 "April 1, 2017" +.TH PNG 5 "April 14, 2019" .SH NAME png \- Portable Network Graphics (PNG) format + .SH 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 +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 +supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits. .br - -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. +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. .SH "SEE ALSO" .BR "libpng"(3), " libpngpf"(3), " zlib"(3), " deflate"(5), " " and " zlib"(5) .LP -PNG specification (second edition), November 2003: +PNG Specification (Second Edition), November 2003: .IP .br - <https://www.w3.org/TR/2003/REC-PNG-20031110/ -PNG 1.2 specification, July 1999: +https://www.w3.org/TR/2003/REC-PNG-20031110/ +.LP +PNG 1.2 Specification, July 1999: .IP .br https://png-mng.sourceforge.io/pub/png/spec/1.2/ .LP -PNG 1.0 specification, October 1996: +PNG 1.0 Specification, October 1996: .IP .br RFC 2083 -.IP .br https://www.ietf.org/rfc/rfc2083.txt +.IP .br -or (as a W3C Recommendation) at +or W3C Recommendation .br https://www.w3.org/TR/REC-png-961001 + .SH AUTHORS -This man page: Glenn Randers-Pehrson +This man page: Cosmin Truta, Glenn Randers-Pehrson .LP Portable Network Graphics (PNG) Specification (Second Edition) Information technology - Computer graphics and image processing - @@ -53,22 +55,30 @@ Glenn Randers-Pehrson and others (png-list). .LP Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996): Thomas Boutell and others (png-list). -.LP - -.SH COPYRIGHT NOTICE +.SH COPYRIGHT .LP -This man page is Copyright (c) 1998-2006 Glenn Randers-Pehrson. See png.h -for conditions of use and distribution. +This man page is +.br +Copyright (c) 2018-2019 Cosmin Truta. +.br +Copyright (c) 1998-2006 Glenn Randers-Pehrson. +.br +See png.h for conditions of use and distribution. .LP The PNG Specification (Second Edition) is +.br Copyright (c) 2003 W3C. (MIT, ERCIM, Keio), All Rights Reserved. .LP -The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson. +The PNG-1.2 Specification is +.br +Copyright (c) 1999 Glenn Randers-Pehrson. +.br See the specification for conditions of use and distribution. .LP -The PNG-1.0 specification is copyright (c) 1996 Massachusetts Institute of -Technology. See the specification for conditions of use and distribution. -.LP +The PNG-1.0 Specification is +.br +Copyright (c) 1996 Massachusetts Institute of Technology. +.br +See the specification for conditions of use and distribution. .\" end of man page - |