Re: Core Animation geometry, layer hosting, and resolution independence

FROM : Quincey Morris
DATE : Wed Mar 12 22:05:50 2008

On Mar 12, 2008, at 13:13, Jens Alfke wrote:

> On 12 Mar '08, at 12:13 PM, Nathan Vander Wilt wrote:
>

>> I want to be able to convert a mouse
>> coordinate into a point suitable for -hitTest:'ing on
>> my root layer. I can convert from the mouse
>> coordinates to the view's coordinates, but then I am
>> not sure how to proceed.

>
> There doesn't seem to be any API for converting between the 
> coordinates of a view and its root layer. You could probably do it 
> by getting the root layer's transform property, and then running the 
> point in view coordinates through that.


Is this what the new NSView convertPointTo/FromBase: are for? 
(Described in Leopard developer release notes.)