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ppmtoxpm.1
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.TH ppmtoxpm 1 "Tue Apr 9 1991"
.SH NAME
ppmtoxpm - convert a portable pixmap into an X11 pixmap
.SH SYNOPSIS
ppmtoxpm [-name <xpmname>] [-rgb <rgb-textfile>] [<ppmfile>]
.SH DESCRIPTION
Reads a portable pixmap as input.
Produces X11 pixmap (version 3) as output which
can be loaded directly by the XPM library.
.PP
The \fB-name\f option allows one to specify the prefix string which is printed
in the resulting XPM output. If not specified, will default to the
filename (without extension) of the <ppmfile> argument.
If \fB-name\f is not specified and <ppmfile>
is not specified (i.e. piped input), the prefix string will default to
the string "noname".
.PP
The \fB-rgb\f option allows one to specify an X11 rgb text file for the
lookup of color name mnemonics. This rgb text file is typically the
/usr/lib/X11/rgb.txt of the MIT X11 distribution, but any file using the
same format may be used. When specified and
a RGB value from the ppm input matches a RGB value from the <rgb-textfile>,
then the corresponding color name mnemonic is printed in the XPM's colormap.
If \fB-rgb\f is not specified, or if the RGB values don't match, then the color
will be printed with the #RGB, #RRGGBB, #RRRGGGBBB, or #RRRRGGGGBBBB
hexadecimal format.
.PP
All flags can be abbreviated to their shortest unique prefix.
.PP
For example, to convert the file "dot" (found in /usr/include/X11/bitmaps),
from xbm to xpm one could specify
.IP
xbmtopbm dot | ppmtoxpm -name dot
.PP
or, with a rgb text file (in the local directory)
.IP
xbmtopbm dot | ppmtoxpm -name dot -rgb rgb.txt
.SH BUGS
An option to match the closest (rather than exact) color name mnemonic
from the rgb text would be a desirable enhancement.
.PP
Truncation of the least significant bits of a RGB value may result in
nonexact matches when performing color name mnemonic lookups.
.SH "SEE ALSO"
ppm(5)
.br
XPM Manual by Arnaud Le Hors lehors@mirsa.inria.fr
.SH AUTHOR
Copyright (C) 1990 by Mark W. Snitily.
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.
This tool was developed for Schlumberger Technologies, ATE Division, and
with their permission is being made available to the public with the above
copyright notice and permission notice.
Upgraded to XPM2 by
Paul Breslaw, Mecasoft SA, Zurich, Switzerland (paul@mecazh.uu.ch)
Thu Nov 8 16:01:17 1990
Upgraded to XPM version 3 by
Arnaud Le Hors (lehors@mirsa.inria.fr)
Tue Apr 9 1991