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Re: What's happening with PNG ?



Thanks Pandaa !

I was so convinced the problem was coming from teh wat OSX display PNG that I didn't think about checking if the problem was on Photoshop's side.


I'll try your plugin and play again and again with Photshop to see where the problem lies exactly.





Eric.




Le 31 août 05 à 03:11, Pandaa a écrit :


31 aug 2005 kl. 01.11 skrev Eric Morand:


I know some og you are thinking "Hey, this is probably a problem with Photoshop" but it isn't : if I save the original (RGB converted) GIF to a TIFF image, the colors are perfect when I draw the image in my app and when I look at it in Preview !


How exactly does that rule out the possibility that it is a problem with the PNG export/support in photoshop?



There is something strange (I wanted to say "wrong" but maybe that's normal and I don't know why...yet !) with the way MacOSX Tiger draw and display PNG pictures. And this strangeness prevents me from using PNG in my app !


google is your friend...


If someone can help me with this, I'd be glad to hear what's wrong !


"All versions of Photoshop from 5 upward have a known bug that will incorrectly save Gamma values." - http://www.evolt.org/article/ To_PNG_or_not_to_PNG/22/60134/


see also, e.g.: http://user.fundy.net/morris/redirect.html? photoshop03.shtml

If you're using a newer version of photoshop this may be related: http://www.wpdfd.com/cgi-bin/yabb/YaBB.pl? board=software;action=display;num=1082967422

For better PNG export try this plug-in: http:// www.versiontracker.com/dyn/moreinfo/macosx/13585

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References: 
 >What's happening with PNG ? (From: Eric Morand <email@hidden>)
 >Re: What's happening with PNG ? (From: Pandaa <email@hidden>)



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