Tsekani malonda

Mu Seputembala kapena Okutobala chaka chino, Apple ikuyenera kuwulula m'badwo watsopano wa foni yake. Monga iyi ndiyo njira yoyamba ya njira yotchedwa tick-tock strategy (komwe chitsanzo choyamba chimabweretsa mapangidwe atsopano, pamene chachiwiri chimangowonjezera chomwe chilipo), ziyembekezo zimakhala zazikulu. Mu 2012, iPhone 5 inabweretsa diagonal yokulirapo yokhala ndi mapikiselo a 640 × 1136 kwa nthawi yoyamba m'mbiri ya foni. Zaka ziwiri m'mbuyomo, Apple idachulukitsa (kapena kuwirikiza kanayi) kusintha kwa iPhone 3GS, iPhone 5 kenako inawonjezera ma pixel 176 molunjika ndipo motero inasintha chiŵerengero cha 16: 9, chomwe chiri chofanana pakati pa mafoni.

Kwa nthawi yayitali pakhala pali malingaliro okhudzana ndi kuwonjezeka kotsatira pazenera la foni ya Apple, posachedwapa zomwe zimakambidwa kwambiri ndi mainchesi 4,7 ndi mainchesi 5,5. Apple ikudziwa bwino kuti ogwiritsa ntchito ambiri akutsamira ma diagonal akuluakulu, omwe amapita monyanyira pankhani ya Samsung ndi opanga ena (Galaxy Note). Kaya kukula kwa iPhone 6 kukhale kotani, Apple iyenera kuthana ndi vuto lina, ndipo ndiye yankho. IPhone 5s yamakono ili ndi kachulukidwe ka dontho la 326 ppi, yomwe ndi 26 ppi kuposa malire akuwonetsera kwa Retina omwe Steve Jobs apanga, pamene diso laumunthu silingathe kusiyanitsa mapixels amodzi. Ngati Apple ikufuna kusunga chigamulo chomwe chilipo, chikhoza kufika pa mainchesi 4,35 ndipo kachulukidwe kake kamakhala pamwamba pa chizindikiro cha 300 ppi.

Ngati Apple ikufuna diagonal yapamwamba komanso nthawi yomweyo kusunga chiwonetsero cha retina, iyenera kukulitsa lingaliro. Seva 9to5Mac adabwera ndi chiphunzitso chokhutiritsa kwambiri chozikidwa pazambiri zochokera kwa Mark Gurman, yemwe wakhala gwero lodalirika la nkhani za Apple mchaka chatha ndipo mwina ali ndi munthu wake mkati mwa kampaniyo.

Kutengera momwe chilengedwe chikukula cha Xcode, ma iPhone 5s apano alibe malingaliro a 640 × 1136, koma 320 × 568 pawiri kukulitsa. Izi zimatchedwa 2x. Ngati mudawonapo mayina a mafayilo azithunzi mu pulogalamu, ndi @2x kumapeto komwe kukuwonetsa chithunzi cha retina. Malinga ndi Gurman, iPhone 6 iyenera kupereka chigamulo chomwe chidzakhala katatu, mwachitsanzo 3x. Ndizofanana ndi Android, pomwe dongosololi limasiyanitsa mitundu inayi ya zinthu zojambulidwa chifukwa cha kuchuluka kwa mawonekedwe, omwe ndi 1x (mdpi), 1,5x (hdpi), 2x (xhdpi) ndi 3x (xxhdpi).

IPhone 6 iyenera kukhala ndi mapikiselo a 1704 × 960. Tsopano mutha kuganiza kuti izi zipangitsa kugawikana kwina ndikubweretsa iOS pafupi ndi Android mwanjira yoyipa. Izi ndi zoona pang'ono. Chifukwa cha iOS 7, mawonekedwe onse ogwiritsira ntchito amatha kupangidwa m'ma vector okha, pomwe m'mawonekedwe am'mbuyomu opanga makina adadalira kwambiri ma bitmaps. Ma Vector ali ndi mwayi wokhala akuthwa akamayandikira kapena kunja.

Pongosintha pang'ono pama code, ndikosavuta kupanga zithunzi ndi zinthu zina zomwe zingasinthidwe ndikusintha kwa iPhone 6 popanda pixelation yowonekera. Zachidziwikire, ndikukulitsa zokha, zithunzi sizingakhale zakuthwa ngati kukulitsa kawiri (2x), chifukwa chake opanga - kapena opanga zithunzi - adzayenera kukonzanso zithunzi zina. Zonse pamodzi, malinga ndi opanga omwe tidalankhula nawo, izi zikuyimira ntchito yamasiku ochepa chabe. Chifukwa chake 1704 × 960 ingakhale yothandiza kwambiri, makamaka ngati amagwiritsa ntchito ma vector m'malo mwa bitmaps. Mapulogalamu, mwachitsanzo, ndi abwino pazifukwa izi PainCode 2.

Tikabwerera ku ma diagonal omwe tawatchulawa, timawerengera kuti iPhone yokhala ndi chiwonetsero cha 4,7-inch ingakhale ndi kachulukidwe ka pixel 416 pa inchi, ndi (mwina zosamveka) diagonal 5,5-inch, ndiye 355 ppi. Muzochitika zonsezi, kupitilira malire a kachulukidwe kakang'ono ka chiwonetsero cha retina. Palinso funso loti Apple ingopanga chilichonse kukhala chachikulu, kapena kukonzanso zinthu zomwe zili mudongosolo kuti gawo lalikulu ligwiritsidwe ntchito bwino. Sitidzadziwa nthawi ya iOS 8, mwina tidzakhala anzeru pambuyo pa tchuthi chachilimwe.

Chitsime: 9to5Mac
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