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CentOS 7.0 - man page for pngtopnm (centos section 0)

Pngtopnm User Manual(0) 						  Pngtopnm User Manual(0)

NAME
       pngtopnm - convert a PNG image into a PNM image

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  compatible  with  pngtopnm,  plus  adds many additional functions,
       including the ability to produce a PAM image that includes an alpha  (transparency)  chan-
       nel.

       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  png-
       topnm's	incompatibility with the most current PNG libraries makes it impractical to main-
       tain along with pngtopam now.

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

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

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

netpbm documentation			   22 July 2008 		  Pngtopnm User Manual(0)


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