IPhone4 and Iphone4s's high-definition Retina screen display is stunning, and many people may not know that Apple is actually planning to provide high-definition display support for the retina resolution of the MAC. Although we can't get it now, we can turn on the hidden functionality of the lion system through the gadgets provided in the Xcode.
First we can go to the Mac App Store and download the Xcode4.2 version for free. After the installation is complete, open the Quartz Debug tool in the Graphics Tools directory of Developer "Applications".
Open the UI resolution feature under the Windows menu of the Quartz Debug Top toolbar, and in the pop-up dialog box, open the Enable hidpi display modes mode.
The next time you log in, the system will be able to enable hidpi High-definition Retina display mode.
In hidpi mode, all icons and backgrounds are displayed with double resolution. Although the MAC is equipped with a LCD screen can not support such a high resolution, but after the icon magnification, the effect is obvious.
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