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Re: Size limit on .icns files containing 1024x1024 version in 10.5?
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Re: Size limit on .icns files containing 1024x1024 version in 10.5?


  • Subject: Re: Size limit on .icns files containing 1024x1024 version in 10.5?
  • From: Uli Kusterer <email@hidden>
  • Date: Tue, 09 Oct 2012 04:53:39 +0200

On 07.10.2012, at 22:04, Andrew Madsen <email@hidden> wrote:
> The problem is that if I include a 1024x1024 icon ("email@hidden"), the icon does not display on 10.5. Finder doesn't display the icon, and when it is opened in Icon Composer on 10.5, it appears to be blank/empty. If I remove this largest size, the icon displays correctly on 10.5. Interestingly, if I substitute a completely different, simpler 1024x1024 image with a much smaller file size (~300K instead of ~1MB), the icon again works fine on 10.5.

 Have you tried running oldiconutil in the debugger to see what it actually does? It's a fairly simple tool, so I could guess that e.g. maybe it doesn't detect that the more detailed icon you're using is a PNG file or whatever ... ? Does it actually convert the large variant to JPEG2000? Or maybe your file contains a size I'm not using that just gets carried along and causes the incompatibility?

 Just guessing here.

Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de




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References: 
 >Size limit on .icns files containing 1024x1024 version in 10.5? (From: Andrew Madsen <email@hidden>)

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