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Delegate not getting called for CATiledLayer

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Delegate not getting called for CATiledLayer

Subject: Delegate not getting called for CATiledLayer
From: "douglas a. welton" <email@hidden>
Date: Sat, 5 Apr 2008 14:01:07 -0400

Hi all,

I'm developing an application that uses a CATiledLayer to host several sublayers full of user manipulated image content. The user can set any size for the CATiledLayer and therein lies the rub. If I set a size with both horizontal and vertical dimensions less than 2046, my - drawLayer:inContext: delegate method gets called without a problem... However, if either dimensions size is bigger than the magic number, the drawing delegate is not called at all.

Am I incorrect in believing that CATiledLayers can exceed the 2046 x 2046 size mentions in the AppKit release notes? If not, what other alternatives (besides skipping the use of CALayers) do I have for handling big documents with layers?

thanks,

douglas
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