Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!killer!pollux!dalsqnt!usl!pcb
From: pcb@usl.usl.edu (Peter C. Bahrs)
Newsgroups: comp.windows.misc
Subject: MS Windows and HP Paintjet
Keywords: bit map, banding
Message-ID: <482@usl.usl.edu>
Date: 19 Oct 88 21:42:11 GMT
Organization: CACS, Lafayette, LA, USA
Lines: 21

When we use the PAINJET driver in MS Windows in a graphics application,
it is VERY slow; thus the performance of all jobs slows down.

We are making some complicated graphics drawings mainly using line, move and
text commands.  When we need to print out the picture, we are banding within
the code.  Therefore, we must draw everything repeatedly and everything
gets clipped to the band and sent to the spooler.

We get great performance with the HP Plotter Drivers, TI 855 drivers,...
but the PAINTJET driver is so slow.  I know the printer is not that smart,
i.e. no vector commands.  The only capabilities that we can notice from
writing a device capabilities program is the support for bit maps.

I wonder if we should create our drawing once and save it in a bit map and
play the bit map to the spooler?  This will of course be a huge bit map .
But I think this will adversely affect the Plotter performance?

Does anyone know how to speed up the performance of the HP PaintJet??

Thanks in advance.
pcb@usl.usl.edu
 csnet