Chapter 6. Layer Filters

In This Chapter

Applying Filters to Core Animation Layers

Controlling Filter Values with Data Bindings

Applying Filters to Transitions

As with most Apple technologies, Core Animation provides a means to bridge into other core capabilities. One such bridge enables the developer to interface directly with Core Image—Apple’s image manipulation and processing framework. This means that as a Core Animation programmer, you have at your disposal all the Core Image filtering capabilities.

Practically, this means that you can apply, for example, a Gaussian blur to a layer’s contents. You set the blur radius on the filter and apply it, or you can animate the blur radius and cause it to blur and then resolve to clear over ...

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