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OPENSLIDE-WRITE-PNG(1)		 User Commands		OPENSLIDE-WRITE-PNG(1)

NAME
       openslide-write-png - Write a region of a virtual slide to a PNG

SYNOPSIS
       openslide-write-png  [--help]  [--version]  slide-file  x y level width
       height output-file

DESCRIPTION
       Write a region of the specified level of	a virtual slide	to a  PNG  im-
       age.   x	and y are pixel	coordinates in level 0,	the highest-resolution
       slide level.  width and height are pixel	dimensions  in	the  specified
       level.

       The dimensions of each level of a slide can be obtained with openslide-
       show-properties(1).

OPTIONS
       --help Display usage summary.

       --version
	      Display version and copyright information.

EXIT STATUS
       openslide-write-png  returns 0 on success, 1 if an error	occurred, or 2
       if the arguments	are invalid.

NOTES
       openslide-write-png is a	legacy command and no  new  features  will  be
       added.  Its replacement is the region read subcommand of	slidetool(1).

COPYRIGHT
       Copyright (C) 2007-2023 Carnegie	Mellon University and others

       OpenSlide  is  free  software: you can redistribute it and/or modify it
       under the terms of the GNU Lesser General Public	License, version 2.1
       <http://gnu.org/licenses/lgpl-2.1.html>.

       OpenSlide comes with NO WARRANTY, to the	extent permitted by law.   See
       the GNU Lesser General Public License for more details.

SEE ALSO
       openslide-show-properties(1), slidetool(1)

OpenSlide 4.0.0			  2023-06-30		OPENSLIDE-WRITE-PNG(1)

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