Re: CAKeyframeAnimation and NSView frame property
Re: CAKeyframeAnimation and NSView frame property
- Subject: Re: CAKeyframeAnimation and NSView frame property
- From: David Duncan <email@hidden>
- Date: Wed, 10 Mar 2010 12:50:26 -0800
On Mar 10, 2010, at 12:35 PM, Mazen M. Abdel-Rahman wrote:
> I had another question about core animation. I am trying to animate my view's frame size so that it gets smaller - and then in the same animation goes back to the same size. I was able to get it to succesfully animate to a smaller size - but am having difficulty with getting to work using CAKeyFrameAnimation. I tried doing it in a group - but when I try to change the alpha value nothing happens to the frame size. I tried to follow some examples Apple had - but to no avail. The view that I am calling this code on is layer backed (set in interface builder).
The frame is not real, it is a property derived from the position, bounds.size, transform and anchorPoint properties. If you want to animate the "frame" of a layer, then you need to animate the position and bounds.size instead.
--
David Duncan
Apple DTS Animation and Printing
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