Subject: Re: On the Road to version 1.0
From: Bryce Nesbitt (bryce@obviously.com)
Date: Fri Dec 21 2001 - 10:48:43 CST
Leonard Rosenthol wrote:
> 
> At 09:43 AM 12/21/2001 -0500, Bryce Nesbitt wrote:
> > >          ONLY if you have a Postscript printer!  If you have a raster, PCL
> > > or other type of printer, then EPS ends up getting rasterized early on.
> >
> >True, but it gets rasterized at printer resolution, as opposed to
> >screen resolution.  You get no bitmap scaling artifacts.
> 
>          And a properly written word processor would re-rasterize the
> vector data at printer resolution before printing.   Currently, you are
> right, we don't do that.  BUT it wouldn't be too difficult to change the IM
> plugin to ask for rasterization at printer resolution always!  It would
> mean larger .abw files since the images stored therein would be larger -
> but you would get better quality.
Nonono, no need.  Purge the bitmps from the .abw files.  Store just source
data, rerasterize to the output device on the fly.
> >For Linux I trust Ghostscript's rasterizer more than ImageMagic's (And
> >Ghostscript rasterizes the rest of the page, so why not?). 
>          IM uses GS for PS/EPS/PDF rasterization. 
>          Rest of what page?
The rest of the page you're printing.  The words, if you have words
on the page.
> >Industry convention with other WP's is that EPS import makes no attempt
> >to "tame" the EPS.  The WP just acts as a passthru.
> 
>          Agreed.  And at some point in the future, Abi should do the same.
> 
> >When I use Microsoft
> >Publisher, for example, and output to a PCL printer, I get a grainy bitmap.
>          That's because Publisher sucks ;).  Word does a better job...
> 
> >The inherent limitation, and benefit, of EPS is that it's a way to pass
> >PostScript to the lowest possible printing layer.  This is good.
>          Depends on the OS and WP in question, since each one handles this
> type of thing differently.
> 
>          But in general, keeping things vector (be it EPS, PDF or SVG)
> until the last minute is definitely the way to go!
And it's the only way to go if you don't know what your output device is
yet!
                        -Bryce
** Impelemeting EPS support from scratch would be less work, thou... :)
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