Look at overriding the layer transition. You can use a page curl
filter, if that's your desired effect, to transition changes to the
layer's content property.
- Create a CATransition object.
- Create a CIFilter that implements a page curl (Check out Apple's
Core Image Filters docs and sample code).
- Set the transition object's filter parameter to your CIFilter
- Add the transtion to the layer actions for the key "content"
Then, whenever you set your layer's content parameter to the next
image, it will use that transition instead of the default fade. This
of course assumes that you know you need to convert your NSImages to
CGImageRefs first since the content property cannot be set with an
NSImage. Let me know if you need clarification.
-Matt
On Oct 31, 2008, at 10:51 AM, Jeshua Lacock wrote:
Hello,
I think I must be missing something obvious. I have looked over all
of the CoreAnimation documentation, and I don't see a convenient way
to flip through frames.
Basically I have an NSArray populated with 45 NSImages. I just want
to flip through them. Can anyone offer a recommendation?
Thank you,
Jeshua Lacock
Founder/Programmer
3DTOPO Incorporated
<http://3DTOPO.com>
Phone: 877.240.1364
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