Gecko:Layers: Difference between revisions

Gecko:Layers (view source)

470 bytes added , 14 October 2009

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 == Comparison with other APIs ==
+=== CoreAnimation ===
+==== Rendering Model ====
+http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/CoreAnimation_guide/Articles/CoreAnimationArchitecture.html#//apple_ref/doc/uid/TP40006655
+CoreAnimation has three trees that is uses.
+# Layer tree - the model
+# Presentation tree - the view -- contains the current values of the animating properties
+# Render tree - the view
+The sort of corresponds to Roc's LayerBuilder infrastructure described above.
+==== Classes ====
+CALayer - CALayer is the model class for layer-tree objects. It encapsulates the position, size, and transform of a layer, which defines its coordinate system. It also encapsulates the duration and pacing of a layer and its animations by adopting the CAMediaTiming protocol, which defines a layer’s time space.
+CARenderer - renders a layer tree
 === Clutter ===
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 ClutterGroup - A group of Actors positioned relative to the group position
 ClutterStage - a place where Actors are composited
-=== CoreAnimation ===
-CALayer - CALayer is the model class for layer-tree objects. It encapsulates the position, size, and transform of a layer, which defines its coordinate system. It also encapsulates the duration and pacing of a layer and its animations by adopting the CAMediaTiming protocol, which defines a layer’s time space.
-CARenderer - renders a layer tree