Manual: pngtopnm

Pngtopnm User Manual(1)				   General Commands Manual			     Pngtopnm User Manual(1)

NAME
       pngtopnm - Convert a PNG image to PNM: replaced by pngtopam

SYNOPSIS
       pngtopnm [-verbose] [-alpha | -mix] [-background=color] [-gamma=value] [-text=filename] [-time] [pngfile]

       Minimum	unique	abbreviation of option is acceptable.  You may use double hyphens instead of single hyphen to denote
       options.	 You may use white space in place of the equals sign to separate an option name from its value.

DESCRIPTION
       This program is part of Netpbm(1).

       pngtopnm was obsoleted by pngtopam(1), introduced with Netpbm 10.44 (September 2008).  pngtopam is backward  compati‐
       ble  with pngtopnm, plus adds many additional functions, including the ability to produce a PAM image that includes a
       transparency (alpha) channel.

       Starting in Release 10.48, pngtopnm is just an alias for pngtopam.

       pngtopnm remained in the Netpbm package through Release 10.47 because it may have fewer bugs than pngtopam  in  those
       releases, and may be faster in some environments.  But pngtopnm's incompatibility with the most current PNG libraries
       makes it impractical to maintain along with pngtopam now.

       In releases before 10.48, you can use the pngtopam documentation for pngtopnm, considering the following differences:

       •      pngtopnm options are a subset of pngtopam's, as documented above.

       •      Any change that the pngtopam manual says happened in or after Netpbm 10.44 doesn't apply to pngtopnm.

DOCUMENT SOURCE
       This manual page was generated by the Netpbm tool 'makeman' from HTML source.  The master documentation is at

	      http://netpbm.sourceforge.net/doc/pngtopnm.html

netpbm documentation					22 July 2008				     Pngtopnm User Manual(1)