Re: [isabelle] Isabelle2013-RC3 available for testing

Isn't it possible to detect the DPI of the screen and set the font
accordingly? I thought all the modern text rendering libraries did this, so
you can set the font size in points and have it choose the correct pixel
size based on the size and resolution of the display. It seems that this
would solve the problem of the default being to big or small for some
people. And it might only require changing one thing to tell the system you
are using physical units instead of pixels.

Just a thought. Having people scale it themselves is not a big problem.


On Fri, Feb 8, 2013 at 9:05 PM, Christian Sternagel
<c.sternagel at>wrote:

> Well, I don't quite get the day trader joke, but the "German" words are
> hilarious.
> Just for the record. I use the default font size on my laptop and with a
> not so big monitor, on neither of which the font seems too big. Moreover,
> as makarius pointed out earlier, for smaller font sizes the font is a bit
> "thin".
> cheers
> chris
> Gottfried Barrow <gottfried.barrow at> wrote:
> >On 2/8/2013 9:32 AM, Makarius wrote:
> >> On Fri, 8 Feb 2013, Gottfried Barrow wrote:
> >>> IsaUser1: Dude, who does Makarius think uses the size 18 font that
> >>> comes as the default for jEdit?
> >> It is an attempt to guess right in many first-encounter situations.
> >> 18px also happens to be the size where the font that is used as basis
> >> for IsabelleText (Bitstream Vera) renders with strong stems.
> >>> IsaUser2: Well, that would be Makarius himself. He uses a football
> >>> stadium size monitor, and at 50 meters, even a size 18 font is small,
> >>> as you can imagine.
> >> In my office I do have a huge screen at 2560 pixel width, but that is
> >> in fact not so much these days
> >
> >So now, to fewer people, it's not a mystery. However, as time passes,
> >there is the possibility that it will become, "canonical Isabelle humour".
> >
> >Revisions and improvements are important in most areas of life, so to
> >raise the quality of this discussion, I submit a revision to the
> >previous Real and True conversation:
> >
> >IsaJoke-2013-0208-0956
> >
> >IsaUser1: [As before]
> >
> >IsaUser2: [As before]
> >
> >IsaUser1: [As before, or some meaningless variation using "dude", "bro",
> >"hommie" if you're a rapper, "mate" if you're Australian, "ole chap" if
> >you're British, or "kumpel", "fruend", "genosse", "matt", "maat",
> >"kamerad", or "gehilfe" if you're German.]
> >
> >IsaUser2: Well, it's not just for Isabelle development. Makarius views
> >many, many technical charts at the same time. Makarius' day job is a day
> >trader. He only does Isabelle development in his spare time.
> >
> >IsaUser1: [A user supplied sentence which overuses words like "dude" and
> >"awesome", and is meaningless, to keep the focus on the last sentence.]
> >
> >Regards,
> >GB
> >

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