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in, xcode, cgbi, built, de, optimization, plug, better, tool, for, the, ios, format, support, imageoptim,

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xcode (9), and (7), ios (7), #format (5), imageoptim (5), for (4), conversion (4), you (4), can (3), than (3), images (3), that (3), alpha (3), png (3), loading (3), patched (3), the (2), standard (2), saves (2), more (2), bgra (2), with (2), not (2), support (2), apple (2), files (2), this (2), speed (2), cgbi (2), uses (2), advpng (2), pngcrush (2), premultiplied (2), using (2), tool (2), better (2), time (2), quicker (2), download (2), all (2), version (2), mac (2), site, designed, app, icon, icons8, auforia, smaller, bit, resources, own, png8, channel, would, rather, add, variant, these, are, unusable, outside, top, tries, patent, they, don, improve, both, other, tools, such, pngout, optipng, clears, achieving, result, similar, but, regular, pngs, dirty, must, generate, only, scribd, which, has, efficient, compression, run, directly, from, plug, compress_png_files, size, assets, your, priority, want, application, startup, appstore, disable, applied, will, undo, savings, even, when, makes, bigger, default, converts, devices, step, during, because, instead, color, space, doesn, affect, rendering, rgba, trivial, non, specific, derivative, built, optimization, help, translate, polish, czech, lithuanian, russian, turkish, vietna, mese, korean, chinese, japanese, danish, swedish, norwegian, dutch, italian, portuguese, spanish, german, french, english, available, donate, source, code, report, bugs, changelog, beta, build, 2a1, snow, leopard, lion, check, out, trimage, imagealpha, contact, home, configure, image, optimisation,

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configure xcode for better image optimisation imageoptim home contact imagealpha download version 1 6 1 mac os x 10 8 not using mac check out trimage snow leopard lion 10 7 version beta build 1 6 2a1 changelog report bugs source code donate available in english french german spanish portuguese italian dutch norwegian swedish danish japanese chinese korean vietna mese turkish russian lithuanian czech and polish help translate it xcode s built in de optimization xcode for ios by default converts all png images to a non standard ios specific png derivative this format saves ios devices a trivial conversion step during loading because it uses premultiplied bgra instead of rgba color space it doesn t affect rendering speed at all xcode s conversion is applied even when it makes files bigger it will undo imageoptim s savings if size of assets or loading time is your priority e g you want quicker application startup time and quicker appstore download disable xcode s conversion compress_png_files no xcode plug in you can run imageoptim directly from xcode better tool for the cgbi ios format if you must you can generate ios only images using scribd s patched advpng tool which has more efficient compression than xcode s patched pngcrush imageoptim uses both advpng and pngcrush and other tools such as pngout and patched optipng that clears dirty alpha achieving result similar to xcode s premultiplied alpha conversion but with regular pngs cgbi support in imageoptim i would rather not add support for apple s png variant as these files are unusable outside ios they don t improve loading speed and on top of that apple tries to patent this format the standard png8 with alpha channel format can be up to 70 smaller than 32 bit bgra images and that saves more resources than ios s own format site designed by auforia app icon by icons8