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Tag Archives: core graphics
CALayer Internals: Contents
It’s right there in the CALayer documentation: contents An object that provides the contents of the layer. Animatable. @property(retain) id contents Discussion A layer can set this property to a CGImageRef to display the image as its contents. The default value is nil. There’s … Continue reading
CALayers v. CGLayers, or, Which Layer, Player?
What’s the Deal? An evergreen source of confusion for developers new to graphics on iOS is the existence of multiple Apple-provided graphics frameworks, and multiple “layer” objects within those frameworks. We’re told to use Core Animation for compositing and animation, … Continue reading