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WARNING: This information has not been updated since October, 1997!
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INDEX ENTRY FOR PBMPLUS:
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Name: PBMPLUS - Tools for converting image formats
Version: 10dec91
Author(s): Jef Poskanzer <jef@acme.com>
Ftp source: ftp.ee.lbl.gov:/pbmplus10dec91.tar.Z
Web page: http://www.acme.com/software/pbmplus/
Description:
PBMPLUS is a toolkit for converting various image formats to and
from portable formats, and therefore to and from each other. The
idea is, if you want to convert among N image formats, you only
need 2*N conversion filters, instead of the N^2 you would need if
you wrote each one separately.
In addition to the converters, the package includes some simple
tools for manipulating the portable formats.
The package is broken up into four parts. First is PBM, for
bitmaps (1 bit per pixel). Then there is PGM, for grayscale
images. Next is PPM, for full-color images. Last, there is PNM,
which does content-independent manipulations on any of the three
internal formats, and also handles external formats that have
multiple types.
The parts are upwards compatible: PGM reads both PGM and PBM
files and writes PGM; PPM reads all three and writes PPM; and PNM
reads all three and writes, usually, the same type as it read.
Whenever PNM makes an exception and "promotes" a file to a higher
format, it lets you know.
-- quoted from README by Jef Poskanzer in pbmplus10dec91 distribution
Advertised architectures:
Not stated
Prerequisites:
C compiler
