ppmscale
Section: User Commands (1)
Updated: 01 August 1989
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NAME
ppmscale - scale a portable pixmap
SYNOPSIS
ppmscale <s> [ppmfile]
ppmscale -xsize|-width|-ysize|-height <s> [ppmfile]
ppmscale -xscale|-yscale <s> [ppmfile]
ppmscale -xscale|-xsize|-width <s> -yscale|-ysize|-height <s> [ppmfile]
DESCRIPTION
Reads a portable pixmap as input.
Scales it by the specified factor or factors and produces a portable
pixmap as output.
You can both enlarge (scale factor > 1) and reduce (scale factor < 1).
You can specify one dimension as a pixel size, and the other dimension
will be scaled correspondingly.
You can specify one dimension as a scale, and the other dimension
will not be scaled.
Or, you can specify different scales for each axis, either as scale
factors or as pixel sizes.
All flags can be abbreviated to their shortest unique prefix.
SEE ALSO
pbmreduce(1), pnmenlarge(1), ppm(5)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted, provided
that the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation. This software is provided "as is" without express or
implied warranty.
Index
- NAME
-
- SYNOPSIS
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- DESCRIPTION
-
- SEE ALSO
-
- AUTHOR
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