Font rendering (was: Re: Flash player no longer supported, what happens to media9 and Skim?)
Paulo Ney de Souza
pauloney at gmail.com
Sun Aug 2 22:02:56 CEST 2020
Your point is made. I can see it.
I have to investigate first the chances that the Acrobat installation is
I have seen it happening a couple of times in the installation of our
Production Suite in
the past but thought we had left this behind now... I'll have the
opportunity to do a new
installation this next week and will try before and after installing
On Sun, Aug 2, 2020 at 8:41 AM Jim Diamond via texhax <texhax at tug.org>
> Hi everyone who cares,
> Attached find
> (1) a PDF file which looks (to my eyes) much better with Acroread than
> with evince (and various other PDF viewers)
> (2) Two screen captures of the 30 pt / 20 pt / 10 pt text,
> one for Acroread and one for evince. Both of them claimed to be
> showing the text at 100% scale. I am using a 163 DPI screen, FWIW.
> (3) Two captures of xmag showing the 20 pt / 10 pt text.
> I will say that I am happy (happy enough, anyway) with how larger
> sizes get rendered by evince. However, you can clearly see
> differences with the 10pt font. The bottom of the '0' as seen in the
> xmag image is very weak, the top is weak as well. And the general
> brightness of the 10 point text is reduced, which does nothing for its
> The xmag images show that Acroread is doing sub-pixel rendering, but
> evince is not. (No-one has commented on this... does evince to SPR
> for anyone? Perhaps I have something configured incorrectly on my
> Anyway, perhaps people can chime in with how all these things look to
> them. Maybe its my eyes.
> On Sat, Aug 1, 2020 at 17:45 (-0700), Paulo Ney de Souza wrote:
> > Jim,
> > Please send me small PDF files showing these examples you bring about and
> > we will start a discussion. Without the PDF examples it is very hard.
> > Paulo Ney
> > On Sat, Aug 1, 2020 at 4:36 PM Jim Diamond via texhax <texhax at tug.org
> <mailto:texhax at tug.org>> wrote:
> > On Sat, Aug 1, 2020 at 15:45 (-0700), Paulo Ney de Souza wrote:
> >> They do not have any experience making software for Unix and the
> >> versions they put out for Linux, Solaris, AIX, ... were all lacking
> >> pretty seriously... it was never a contender for anything useful.
> >> OpenSource and other vendors did a much better job with readers for
> >> Linux and Adobe did not want to be compared to any of them.
> > I can't agree. I have found no Linux PDF viewer which renders fonts
> > and thin lines anywhere near as well as Acroread. (Well, maybe not
> > completely true... the PDF renderer in Opera at least knows how to do
> > sub-pixel rendering, unlike any stand-alone PDF viewers I've tried.)
> > I've also found that the stand-alone viewers I've tried on Linux don't
> > do a good job of rendering white fonts on coloured backgrounds. For
> > example, I use white text on a dark blue background for data projector
> > slides, and I put the page number in a fairly small font (12 pt?), and
> > that is fairly illegible in a number of PDF viewers I've tried, even
> > though in Acroread it is nice and crisp. I don't know how much of
> > this is due to SPR and how much is due to other algorithms.
> > The other benefit of Acroread is that it can read oms PDF docs that
> > none of the open-source readers I've tried can handle. And sometimes
> > I have no real choice about using those documents. (Government forms;
> > I've tried arguing with people in the government, and I may as well go
> > down to the ocean and try to keep the tide from coming in.)
> > I am not an Adobe fan, but credit where credit is due. Even if it is
> > only a tiny amount of credit.
> > Perhaps your experience is different, or you have found better PDF
> > viewers than I have. If you have a recommendation, I'd be happy to
> > hear it, because having to mess around to get a 32-bit executable
> > (Acroread 9.5.5) to run on a 64-bit only system is a nuisance.
> > Cheers.
> > Jim
> Dr. Jim Diamond "Convenio ergo sum" | /"\
> Jodrey School of Computer Science | ASCII Ribbon Campaign \ /
> Acadia University, Wolfville NS Canada B4P 2R6 | http://arc.pasp.de/ x
> Voice: (902) 585-1402 Fax: (902) 585-1067 | / \
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