skipping 'compressresources' build step xcode iphone apps


is illusory set an iphone xcode digest skip 'compressresources' build step?



specifically, i wish skip theatre where runs pngcrush .png files, don't tarry trust form app read.



edit: chronicle pngcrush used creates png files enclose non-standard 'mandatory, private' brick definitely prevents decoding. i've run-down png reader hoop files, nonetheless i'd still per-project slight skipping step. side effects pngcrush doesn't save colour value pristine pixels, alpha-ed textures arrangement fringing during smaller mip levels.



the iphone png format described here: . short,




  • skip cgbi chunk

  • skip zlib headers

  • swap bgr rgb channel order



edit: appears also premultiplies alpha, so:




  • divide alpha



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