Document Revision History

This table describes the changes to Quartz2D for iOS.

Date	Notes
2017-09-19	Translated into Swift.
2013-05-08	Updated to use storyboards and ARC.
2010-06-25	Changed deployment target back to iPhone OS 3.2 and added CFBundleIconFiles in Info.plist.
2010-06-18	Upgraded project to build with the iOS 4.0 SDK.
2010-02-03	Added masking and clipping demos. Made some of the demos dynamic. Cleaned up various inconsistencies in the code.
2009-05-21	Changed the demo classes to be subclasses of the QuartzView class. Improved QuartzViewController to allow the user to zoom and pan the demo views, and to improve its low memory handling. Added a Blending demo.
2009-01-07	Fixed a memory management error in the MainViewController.
2008-07-02	First public release.
2008-05-28	Now uses nibs. Moved gradient drawing into QuartzRenderedDrawing.h/.m and added a pattern drawing demo.
2008-05-06	Updated for Beta 5 changes to UITableViewDelegate.
2008-04-23	Updated for Beta 4 changes to UINavigationBarController and UINavigationBar.
2008-04-08	QuartzDemo is an iPhone OS application that demonstrates many of the APIs made available by the Quartz framework.