Quartz2D for iOS

Last Revision:
Version 3.0, 2013-05-08
Updated to use storyboards and ARC.
(Full Revision History)
Build Requirements:
Xcode 4.6 or later, iOS 6.0 or later.
Runtime Requirements:
iOS 6.0 or later.

QuartzDemo is an iOS application that demonstrates many of the Quartz2D APIs made available by the CoreGraphics framework. Quartz2D forms the foundation of all drawing on iPhone OS and provides facilities for drawing lines, polygons, curves, images, gradients, PDF and many other graphical facilities.