Copyright © 2007-2009 by Apple Inc.  All Rights Reserved.

Quartz Composer Application

AnimatedCompositionLayer        A basic application that demonstrates how to animate 

                    composition input parameters on a Core Animation composition 

                    layer through transactions.

Sample Requirements         The project was created using the Xcode running under 

                    Mac OS X 10.6.x or later. The supplied Quartz Composer 

                    compositions were created using the Quartz Composer editor 

                    running under Mac OS X 10.6.x or later.

About the sample            The sample uses a Quartz Composer composition that generates 

                    multiple circles. The composition is set up as a Core Animation 

                    layer.  As the user presses a mouse button, the Core Animation 

                    generates new colors and sizes for the circles. These values 

                    are used as the new input parameters for the composition, and 

                    the user will see the changed sizes and colors of the circles.

Using the Sample            Open the project using the Xcode editor which can be found 

                    in /Developer/Applications. Build the project and run. Press 

                    the mouse button to change the size and color of the circles.

Installation                n/a

Changes from Previous Versions      n/a

Feedback and Bug Reports        Please send all feedback about this sample to:

                    http://developer.apple.com/contact/feedback.html

                    Please submit any bug reports about this example to 

                    http://developer.apple.com/bugreport