It may also be possible to get that information from the operating
system, but it may require writing an external, and the information is
not always 100% reliable.
On Feb 16, 2006, at 8:00 AM, David Burgun wrote:
Hi,
I guess you could provide a Calibration function. Display a line of
Size N Pixels and then have the user put a ruler to it and enter the
size. Some screens vary in their horizontal and vertical DPIs, so you
may want to display two lines.
You could perhaps build up a database of DPI for screens.
Just a thought.
All the Best
Dave
On 15 Feb 2006, at 00:04, [EMAIL PROTECTED] wrote:
Peter,
Long ago all Macs used 72 DPI for screen resolution. Today it is more
like 90 DPI but can be more or less. Flat panels may be over 120 DPI.
And resolutions are bound to go higher as everyone tries to
accommodate pictures and movies.
More madness: most 17" screens and most 19" screens have the same
resolution - so the DPI varies significantly depending on the screen
where it is viewed.
I would just design the at print resolution, 72 DPI (3" x 5" = 216 x
360).
Paul Looney
-----Original Message-----
From: Peter T. Evensen <[EMAIL PROTECTED]>
To: use-revolution-lists.runrev.com <use-revolution@lists.runrev.com>
Sent: Tue, 14 Feb 2006 16:52:08 -0600
Subject: Screen DPI
What is the screen DPI. I know on Mac, it is usually 72. I'm
wanting to create a pseudo-WYSIWYG card editor that lets you specify
a size, like 3 x 5, and it displays an appropriately sized card for
one to place text on. 72 on Windows seems a bit small. I was just
wondering if anyone had a rule of thumb they used.
Thanks!
Peter T. Evensen
http://www.PetersRoadToHealth.com
314-629-5248 or 888-628-4588
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-----------------------------------------------------------
Frank D. Engel, Jr. <[EMAIL PROTECTED]>
$ ln -s /usr/share/kjvbible /usr/manual
$ true | cat /usr/manual | grep "John 3:16"
John 3:16 For God so loved the world, that he gave his only begotten
Son, that whosoever believeth in him should not perish, but have
everlasting life.
$
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