pnmpad
Section: User Commands (1)
Updated: 26 January 2002
Index
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NAME
pnmpad - add borders to portable anymap
SYNOPSIS
pnmpad
[-verbose]
[-white|-black]
[[[-width=width
[-halign=ratio]]
|
[-left=leftpad]
[-right=rightpad]]]
[[[-height=height
[-valign=ratio]]
|
[-top=toppad]
[-bottom=botpad]]]
[pnmfile]
All options can be abbreviated to their shortest unique prefix. You
may use two hyphens instead of one to designate an option. You may
use either white space or an equals sign between an option name and
its value.
DESCRIPTION
Reads a PNM image as input. Outputs a PNM image that is the input
image plus black or white borders of the sizes specified.
If you just need to convert an image to a certain size regardless of
the original dimensions,
pnmcut
with the
-pad
option may be a better choice.
OPTIONS
-verbose
-
Verbose output.
-white
-black (default)
-
Set pad color.
-left leftpad
-right rightpad
-top toppad
-bottom bottompad
-
Specify amount of padding in pixels.
-width width
-
Set desired width of image. Overrides
-left and -right if specified. If
width
is less than the actual image width, it is ignored. Use
pnmcut(1)
to cut off parts of images.
-height height
-
Set desired height of image. Overrides
-top and -bottom if specified. If
height
is less than the actual image height, it is ignored. Use
pnmcut(1)
to cut off parts of images.
-halign ratio
-
A real number between 0 and 1. Used in conjunction with
-width, sets the alignment ratio between left
padding and right padding.
Useful values:
- 0.0
-
- left aligned;
- 0.5
-
- center aligned (default);
- 1.0
-
- right aligned.
-valign ratio
-
A real number between 0 and 1. Used in conjunction with
-height, sets the alignment ratio between bottom
padding and top padding.
Useful values:
- 0.0
-
- bottom aligned;
- 0.5
-
- center aligned (default);
- 1.0
-
- top aligned.
HISTORY
- Before February 2002,
-
pnmpad
had a different option syntax which was less expressive and not like
conventional Netpbm programs. That syntax is still understood by
pnmpad
for backward compatibility,
but not documented or supported for future use.
SEE ALSO
pbmmake(1),
pnmpaste(1),
pnmcut(1),
pnmcrop(1),
pbm(5)
AUTHOR
Copyright (C) 2002 by Martin van Beilen
Copyright (C) 1990 by Angus Duggan
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
-
- DESCRIPTION
-
- OPTIONS
-
- HISTORY
-
- SEE ALSO
-
- AUTHOR
-
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Time: 19:49:14 GMT, April 27, 2011