xcftopnm - convert xcf files to pnm files
xcftopnm [-layer N] [xcffile]
This is a rough and slow implementation of a xcf2pnm filter, to be used by other
programs that want to be able to read xcf images. If ussage increases this
program will doubtlessly be sped up as well.
- "-layer N"
- Select the "N"th layer, instead of flattening the whole