Re: CopyPNGFile apparently garbles PNGs in iPhone build
Re: CopyPNGFile apparently garbles PNGs in iPhone build
- Subject: Re: CopyPNGFile apparently garbles PNGs in iPhone build
- From: Chris Espinosa <email@hidden>
- Date: Tue, 11 Aug 2009 22:38:18 -0700
On Aug 11, 2009, at 6:49 PM, Fritz Anderson wrote:
Is this an Xcode problem, or is there some chicken-waving I haven't
done in Photoshop? Any ideas on how to work around it?
CopyPNGFile runs pngcrush, a compression function. The result, even
though it has a .png extension, is not a valid .png file. The
CoreImage classes on the device know how to deal with it.
So any tool that tries to treat the .png file post-processing by
pngcrush will not be reliable.
You never said whether there was an actual problem with the file other
than the questionable results from the metrics, which are well-
explained by the above. Does the device display it properly?
Chris
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