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ch06 -TableViewPerformance - drawInRect method slows down scrolling #18

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blondyn opened this issue Aug 6, 2013 · 0 comments

blondyn commented Aug 6, 2013

In CustomDrawnCell.m method
[_thumbnail drawInRect:CGRectMake(12, 4, 35, 35)];

slows down scrolling drastically(debugged with CoreAnimation instrument). Framerate can drop to 8fps

Is that because of iOS6.png image is too big? Or custom drawing with CG is not so fast anymore?

Tested both on 4S and 5.

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