convert a BMP file into a portable anymap
see also :
ppmtobmp - ppmtowinicon
add an example, a script, a trick and tips
bmptoppm $1 > tmp.ppm
ppmtogif tmp.ppm > $1.gif
Microsoft Windows or OS/2 BMP file as input. 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.
cannot convert BMP files with compressed (run length
encoded) image data. It recognizes the compression and
issues an error message.
cannot convert 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
ppmtowinicon , ppm
1992 by David W. Sanderson.