[comp.sys.hp] DeskJet SoftFonts

elec135@canterbury.ac.nz (10/23/90)

I hope this is the right group to send this to.

I have a DeskJet and would like to be able to create my own soft fonts.  The
DeskJet manual gives no indication on how this is done.  I did notice, however,
that a manual for the LaserJetII did include this information.  I have a
feeling that these would be similar.  Anyone know for sure?  Has anyone got the
details anywhere?

Thanks in advance...

Please mail (don't reply unless you have to)
replies to : tomlinson@elec.canterbury.ac.nz

Mark Tomlinson
Elec. Engineering
University of Canterbury
New Zealand

rer@hpfcdc.HP.COM (Rob Robason) (10/25/90)

mark> I have a feeling that these would be similar.

They are different, as I understand it.  I think the DeskJet Software
Developer's Guide is what you need, but I don't have the ordering
information on it.  Maybe someone else can provide that.

Rob Robason

walter@hpsadle.HP.COM (Walter Coole) (10/26/90)

Ther exist methods to turn lj fonts into dj fonts, so you may find it easiest
to find an existing lj font and convert it or to use one of a number of
lj font tools.  If you're going to build a completly new font, I'd suggest 
using METAFONT, since it can produce a lot of different formats.

bcripe@hpcvlx.cv.hp.com (Brian E. Cripe) (10/30/90)

>> I have a feeling that these would be similar.
>
> They are different, as I understand it.  

The actual format of the font data differs significantly.  One objective
when designing peripherals is to pump font data through the system and
out your print engine as fast as possible.  The print engines for
DeskJet and LaserJet are very different (a 50 dot scanning head vs. a
row-at-a-time laser), so the format of the data is correspondingly
different.

The original DeskJet would have had a very difficult time using its
puny little Z80 to transform LaserJet fonts on the fly.

	Brian Cripe - ex-printer designer
	Hewlett-Packard

P.S.  Sorry, but I don't have any specific information on the format
of either DeskJet or LaserJet fonts.