Re: cocoa-dev digest, Vol 2 #665 - 14 msgs
Re: cocoa-dev digest, Vol 2 #665 - 14 msgs
- Subject: Re: cocoa-dev digest, Vol 2 #665 - 14 msgs
- From: email@hidden
- Date: Mon, 20 May 2002 20:55:43 -0400
It is equally possible to create ones that choke Preview and not
Acrobat. I've found complex tex arrangements can totally destroy
Preview's rendering, but remain good in Acrobat. I have several
examples on my hardrive.
Owen Anderson
On Monday, May 20, 2002, at 08:11 PM, Kirk Kerekes wrote:
From: "Erik M. Buck" <email@hidden>
[much ado about Quartz vs DPS snipped]
- Adobe Acrobat is much faster at rendering arbitrary PDF than
Preview. I
can only guess why :(
Actually, I find that on the same box, the performance is roughly
comparable -- and Preview will correctly display every PDF that I have
thrown at it, while Acrobat Reader will not.
The perceived speed difference has more to do with rendering
mechanics -- Adobe renders in front of you, while Preview uses the
standard offscreen buffer scheme, and so delivers only the completely
rendered page.
It is comparatively trivial to generate PDFs that Acrobat chokes on,
and Preview renders perfectly -- just use AppleWorks to create a page
with half a dozen or so good-sized shape-gradient fills on it,
underneath text and other feature-laden graphic objects, thus
generating rather complicated clipping requirements. "Print" the
resulting document to PDF, and then view it on Acrobat and Preview.
Preview invariably renders the image correctly, Acrobat will start
quietly dropping image elements as the complexity goes up -- and
without notice, too.
That said, I do hope that Apple restores EPS rasterizing (or at least
automagic eps->pdf conversion) to OSX -- I wouldn't wish attempting to
install GhostScript on anyone but a devoted Unix fan, FINK or no FINK.
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