# Quartz2D for iOS

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.

## Requirements

### Build

Xcode 7 or later

### Runtime

iOS 9 or later

## Revision History

### 2017-05-10

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.

Copyright (C) 2017 Apple Inc. All rights reserved.