= CSS Transforms =

== 2D transforms ==
 * http://dev.w3.org/csswg/css3-2d-transforms/
 * Supported in WebKit, Firefox, Opera
 * Implemented via GraphicsContext
 * Details:
  * Rendering and coordinate code should not assume elements are screen-aligned
  * coordinate conversion (RenderObject::localToAbsolute*)
  * implemented via RenderLayers

== 3D transforms ==
 * http://dev.w3.org/csswg/css3-3d-transforms/
 * Supported in WebKit (on certain platforms)
 * Details
  * Extension of 2d transforms
  * Requires platform-suppored 3d-rendering capability (ACCELERATED_COMPOSITING)
  * Coordinate conversion and hit testing implemented in software
  * Rendering poorly specified
  * Implemented via GraphicsLayer

= CSS Transitions =
 * http://dev.w3.org/csswg/css3-transitions/
 * Supported in WebKit, Firefox, Opera
 * Details
  * Interpolation when properties change
  * Implemented via AnimationController, KeyframeAnimation
  * Glue to offload some animations to GraphicsLayer

= CSS Animations =
 * http://dev.w3.org/csswg/css3-animations/
 * Supported in WebKit
  * Explicit animation
  * Implemented via AnimationController, ImplicitAnimation