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Re: OS X Preview -- wrong size

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Re: OS X Preview -- wrong size

Subject: Re: OS X Preview -- wrong size
From: Graeme Gill <email@hidden>
Date: Fri, 25 Feb 2005 11:01:40 +1100
Organization: Argyll CMS

Robert Clair wrote:

as a preference or by using the Quartz API:

               CGDisplayErr GetDisplayDPI(
                 CFDictionaryRef displayModeDict,
                CGDirectDisplayID displayID,
                double *horizontalDPI, double *verticalDPI )


This doesn't appear to be a Quartz API, it's a tech note code fragment,
hence doesn't appear in the Quartz reference documentation.
(See <http://developer.apple.com/qa/qa2001/qa1217.html>.)

The code fragment computes screen resolution by retrieving the
displays physical size from using the IOKit API, and then retrieving
the display size in pixels using CoreGraphics API.

Graeme Gill.
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Re: OS X Preview -- wrong size
From: bruce fraser <email@hidden>


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  >Re: OS X Preview -- wrong size (From: Robert Clair <email@hidden>)




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