On Oct 23, 2012, at 4:37 AM, Roland King <r...@rols.org> wrote:

> I want to animate the drawing of  CGPath in a UIView, so it looks as if it's 
> being drawn. I have the UIView, I have the CGPath, I am able to split the 
> CGPath at any point from 0 to 100% into that which should be drawn and that 
> which shouldn't yet, that's all done, so I can, fairly efficiently, call 
> -(CGPath)[ myObject fractionalPath:(CGFloat)fraction ] and get a path. 


You can do this with a CAShapeLayer by animating the strokeEnd property. Should 
be very simple to do, although if your path is very complex it may make more 
sense to break it into pieces and use multiple shape layers animated 
sequentially.
--
David Duncan


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