I'm not familiar with Cinder library yet (seems it does not support Linux, so it's not very interesting for me), but I suppose graphics library should provide at least two approaches to build graphic applications. The first one is something that SDL and SFML offer: user has to manually write cycle loop for event handling. The second one is more complicated: event loop is encapsulated by some Application class which automatically dispatches events to gui elements and provide signal-slot system to ease creation of application logic (like Qt library does). The second approach implementation may be built on the first one, but it should not be the only. Sometimes the first approach is more easy and it has no overhead of all these high-level gui abstractions.

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