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10.5: Resolution independence and screenshot tool issues System 10.5
I'm not sure whether or not this happens in Tiger, but it seems that if you mess with resolution independence (the AppleDisplayScaleFactor value), then OS X's built-in screenshot tool stops working.

The solution is to open up the .GlobalPreferences.plist file in ~/Library/Preferences and delete the AppleDisplayScaleFactor string, save the file, and log out and back in.
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10.5: Resolution independence and screenshot tool issues | 3 comments | Create New Account
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10.5: Resolution independence and screenshot tool issues
Authored by: zebrum on Dec 16, '07 08:36:34AM

cool, before I was trashing the whole .GlobalPreferences.plist file which was annoying because a lot of prefs are stored in that.

Hopefully Apple will fix leopard screenshots in the next update.



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10.5: Resolution independence and screenshot tool issues
Authored by: matsw on Dec 16, '07 11:22:24AM

Resolution independence ? How do you turn it on ?



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10.5: Resolution independence and screenshot tool issues
Authored by: zane on Dec 17, '07 04:42:59AM
Resolution independence is still extremely bug-ridden, and not yet ready for public consumption, nor is it nearly as cool as you might expect (yet). If you do want to have a peek at it in its current state, however, follow these steps:

1) Install Developer Tools from your Leopard install disk.
2) Go to /Developer/Applications/Performance Tools/Quartz Debug and run this tool.
3) Move the User Interface Resolution slider to something above the default 1.00/72DPI.
4) Now go quit & relaunch, for example, Mail.app, or Safari, or TextEdit (or even Finder) to view the results.
5) To restore default resolution for the apps you try this on, simply move the slider back to 1.00/72DPI, then relaunch the affected app.

If you don't have, or want to install Developer Tools, here's a 1:1, 1280x854 screen shot from my computer, for Finder and another for Mail, scaled up to 1.50/108 DPI. Pretty ugly huh? Resolution independence still has a long way to go before it's ready for general use.

You can read more (and see more RI-related pics) in this excellent Ars Technica article. (This link skips ahead to the resolution independence section for you)

Have fun!

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