Geek asks and answers

What is the best internal PNG format for an iOS display you can create on a platform other than Apple?

We recommend using PNG, the fastest format for iOS. However, PNG itself has several internal sub-formats. Alpha channel, byte order, color depth, etc.

I read Convert regular PNG to iPhone Optimized format , but Q / A is close to images in bundles. Now I am creating many thumbnails optimized for iOS from the server. I cannot use the Apple structure on the server. However, the optimal format is not enough. I want to hear opinions.

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, Xcode PNG , , pngquant + PNGOUT AdvPNG .

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IOS SDK pngcrush , . , , .

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$ /Applications/Xcode.app/Contents/Developer\
/Platforms/iPhoneOS.platform/Developer/usr/bin/pngcrush \
-revert-iphone-optimizations -q Local.png Local-standard.png

. http://developer.apple.com/library/ios/#qa/qa1681/_index.html

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