Convert a PBM image to a Microdesign MDA file. See also:
mdatopbm
. More information: https://netpbm.sourceforge.net/doc/pbmtomda.html.
pbmtomda path/to/image.pbm > path/to/output.mda
pbmtomda -i path/to/image.pbm > path/to/output.mda
pbmtomda -d path/to/image.pbm > path/to/output.mda