SuSE 11.3 - man page for bmptopnm (suse section 0)
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Bmptopnm User Manual(0) Bmptopnm User Manual(0)
bmptopnm - convert a BMP file into a PBM, PGM, or PNM image
This program is part of Netpbm(1)
bmptopnm reads a Microsoft Windows or OS/2 BMP file as input. and produces a PBM, PGM, or
PNM image as output. If the input is colormapped and contains only black and white, the
output is PBM. If the input is colormapped and contains only black white and gray, the
output is PGM. Otherwise, the output is PPM.
bmptopnm understands BMP files compressed with run length encoding (RLE4/RLE8), but not if
that encoding includes a 'delta' (which is rare). bmptopnm recognizes the delta and
issues an error message.
bmptopnm cannot convert BMP files compressed with JPEG or PNG encoding. It recognizes the
compression and issues an error message. Before Netpbm 10.32 (February 2006), bmptopnm
couldn't convert RLE BMP files either.
Before Netpbm 10.18 (September 2003), this program could not convert BMP images with the
BI_BITFIELDS format ("compression type"). It would recognize the format and issue an
bmptopnm cannot convert OS/2 BMP files with 16 bits per pixel (only because the author did
not have a complete specification for them). It recognizes the format and issues an error
message. Before Netpbm 10.16 (June 2003), it also could not convert Windows BMP files
with 16 bits per pixel.
ppmtobmp(1) , ppmtowinicon(1) , ppm(5)
Copyright (C) 1992 by David W. Sanderson.
netpbm documentation 24 February 2006 Bmptopnm User Manual(0)
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