jpnp
jpnp
Here are a 16bit PNG and 16bit TIFF (zipped as github doesn't like TIFF). The files can be viewed with the Gnome image viewer, and opened by GIMP or ImageMagick....
GUI apps offer options and control via print dialogs but are not easily scripted, and it's often hard to have control of colour management. (PhotoPrint works well with gutenprint printers...
See also https://github.com/mudcube/MIDI.js/issues/165 and the associated PR https://github.com/mudcube/MIDI.js/pull/227