Now, there was a comprehensive, example-rich, full-color reference to Core Animation for OS X iPhone and experienced developers who want to make the most of this powerful framework.? Marcus Zarra and Matt Long reveals what Core Animation can and can not do, how to use it most effectively and how? To avoid misuse it?. Build your knowledge of existing Objective-C, Cocoa, and Xcode, they present expert techniques, insights, and code downloads for all programming aspects of Core Animation, from keyframing for film screenings. Zarra and Long thoroughly review the similarities and differences between Core Animation on Mac and iPhone, help you write code that can be easily moved between platforms. Coverage includes: Taking full advantage of Core Animation? s layers of light and views of Use keyframes to gain full control over your animations Creating startling effects with Core Image Core Animation Utilizing change? s powerful filtering capabilities of Core Animation to Play in QuickTime movie using Core Animation s QTMovieLayer? Using the OpenGL layer to achieve greater control over movie playback Integrate Quartz Composer advanced visualization into your user interface How to use a helper to draw a gradient layer, composite shapes, and replicate the mouse and keyboard sublayers Adding user interaction points, and much more?