On Wednesday, Aug 20, 2003, at 13:00 US/Pacific, Darcy James Argue wrote:

I'd like to get really clear on this myself. Somehow, after following a few of the links suggested, I was left with the impression that it was supported as of OS X 10.2.5 (provided one has a card which avails itself of the supported features of course).

Darcy,


No. The screen rotation is enabled through the ATI Displays control panel, a third-party utility which is ...

That's not what I'm wondering about (direct support). I'm trying to find out the OS version which first implemented the (currently) undocumented API. I've seen this kind of thing happen quite a bit on the Carbon list. What happens is that some feature gets implemented in say version x.1.1. Because it's not a major release, Apple won't officially document it until version x.2.0 but may let folks know about it's availability sooner just in case developers want to support it (by branching code on the OS release version).



Philip


... included along with the drivers for the retail version of the ATI Radeon 9800. So far the feature (called "Versavision") is only supported on that specific video card, through the ATI Displays control panel. Right now, there is no direct support for screen rotation in 10.2.5, 10.2.6, or any other edition of Mac OS X.

However, some reviews of the 9800 make it sound like the screen rotation is exploiting an unsupported (by Apple) feature in Quartz Extreme. So it's possible we may see other third parties exploiting this same feature, or eventually, direct support by Apple. But so far, the ATI solution is the only one out there.

Philip Aker http://www.aker.ca


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