ppmtopj
Convert a PPM file to an HP PaintJet file.
TLDR
Convert a PPM file to an HP PaintJet file
$ ppmtopj [path/to/input.ppm] > [path/to/output.pj]
Move the image in the x and y direction
$ ppmtopj -xpos [dx] -ypos [dy] [path/to/input.ppm] > [path/to/output.pj]
Explicitly specify a gamma value
$ ppmtopj -gamma [gamma] [path/to/input.ppm] > [path/to/output.pj]
