Yai, ndipo ndi chinthu chimodzi chofunikira kudziwa za mtundu. Kawirikawiri, kupulumutsa kumayendetsanso kuwonongeka kwa encoder pazithunzi zomwe zakhala zikuyenda, motero zigawo za artefacts - zomwe zimawoneka ngati zoletsa m'mawu ndi haloes pazovuta zazikulu pambuyo pa zaka zambiri. Sinthani kuchokera ku master yopanda kusowa ndi kutumiza ku WebP kamodzi, pamapeto pake, kuposa kutsegulanso ndikubwezeretsanso fayilo yomweyo. WebP amapatsa modes lossy ndi lossless, ndi alpha kuwala ndi animation alipo m'modzi kapena m'modzi.
Nchifukwa chiyani zinthu zambiri za webusaiti zimaperekedwa ngati WebP?
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Chifukwa cha izi, imapangidwa kuti ikwaniritse ntchitoyi: mafayilo ang'onoang'ono, kukhazikitsidwa kwamphamvu, palibe plugin ndi lisensi yokhumudwitsa. Izi zimapangitsa kuti zikhale zabwino pakutumiza ndi zosadziwika pazinthu zonse - zosintha, ma galleri a foni ndi zida zakale zimazi ignore. Kusintha kwa mtundu wazofunikira ndi zomwe zimapangitsa kuti zinthu zomwe zatsitsa zitha kugwiritsidwa ntchito pa intaneti. WebP nthawi zambiri ndi 25-35% yaying'ono kuposa JPG yofananayo komanso yotsika mtengo kuposa GIF yojambula, ndi kuthandizira kwa msakatuli wadziko lonse kuyambira 2020.
Kodi ndiyenera kugwiritsa ntchito mtundu wotani posintha ku WebP?
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M'malo pakati pa 80 ndi 90 kwa chilichonse munthu adzaona. pansi pa pafupifupi 75 za artefacts ayamba kusonyeza pa khungu, kuwala ndi iliyonse lalikulu flat area; pamwamba 95 fayilo akukula mofulumira pamene pafupifupi palibe amene angaone kusiyana. kukhazikitsa si khalidwe la chithunzi, ndi lamulo la za izi padera kutumiza — choncho kusankha izo kwa kumene fayilo ndi kupita, ndi kusamalira oyambirira kwa nthawi ina inu mukufuna yankho lina.
Kodi WebP imasunga kumbuyo kowonekera?
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Yes — format amasunga weniweni alpha channel, kotero cut-out logos, zinthu shots ndi overlays kusunga kuwala kwawo mosafika pa wobiriwira rectangle. Kusintha kwa mtundu popanda alpha ndi pamene izo zimakhala zoipa: zowonekera zowonekera zigawo ndi zodzaza ndi wolimba mtundu, nthawi zambiri wofiira kapena wakuda, ndi palibe njira yopita kumbuyo pang'ono kuteteza mfundonso.
Kodi nthawi ya frame ndi looping imatha kusinthidwa ndi WebP?
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Ku mtundu wina wothamanga, yeah — kulephera kwa frame ndi kuchuluka kwa loop amasungidwa mu fayilo ndipo amapita patsogolo. Ku mtundu wokhalabe, frame imodzi yokha imakhalapo, nthawi zambiri yoyamba. Ku video, loop flag siyiyenera kupita ku malo ena, chifukwa wosewerayo amasankha yekha ngati akufuna kubwereza. Kafukula galimoto ya kusewera pambuyo pake pamene frame rate imasintha: mitengo yokhazikika imatha kuyerekeza kulephera kwa frame.
Kodi WebP ndi yatsopano kwambiri kuti ithandizidwe mokwanira?
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Kuchepetsa choncho chaka chilichonse, koma kusiyana ndi lakuti. Software thandizo anafika mofulumira; hardware thandizo akubwera ndi zipangizo zatsopano, ndipo foni, TV kapena wosewera mpira m'mbuyomu inu angathe kungokhala preeminent izo. pamene ali ovomerezeka ndi kuyerekeza bwino kuposa mtundu amasintha, chifukwa chake ndi bwino kusintha kwa kutumiza ndi kusinthidwa kwa kugwirizana.
Kodi kamera ndi malo a metadata amasungidwira pamene ndimasintha WebP?
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Zimachitika pamene mtundu woyenera umathandizira - kamera ya kamera, kuwala, nthawi yotenga, ndi GPS coordinates ngati chipangizocho chidalemba. Kuti chachiwiri chimayenera kuganiziridwa pambuyo pa kufalitsa: chithunzi chochokera pafoni chimatha kubweretsa malo oyenera omwe adatengedwa. Kuchotsa metadata nthawi yosintha pamene chithunzi chikuyenda komweko kwa anthu.
Kodi WebP ikugwirizana ndi Google?
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Ilipo kuchokera ku Google ndipo imatulutsidwa mosatsegulidwa, ndi zofunikira zomwe aliyense angagwiritse ntchito ndipo palibe ndalama zowonjezera - zomwe ndichifukwa chake mawebusayiti amagwiritsa ntchito mwachangu. Kugwiritsa ntchito kwake sikungayambitse ntchito iliyonse ya Google. Kuthandizira kunja kwa mawebusayiti ndi malire abwino: ambiri a mapulogalamu a desktop, ma galleri a foni ndi mateleviziyo sakuwerenga. WebP ndi Google 2010 chithunzi mtundu, anapangidwa kuchokera VP8 keyframe encoder ndi zofuna kuchotsa JPG, PNG ndi GIF pamodzi.
Kodi ndingagwiritse ntchito WebP moyenera patsamba la webusaiti?
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Yes — iliyonse browser pano amasonyeza izo natively, kotero kuti sayenera kupewa uthenga ndi kusintha nthawi yofalitsa. Kuyankhulana kumakhalabe ndi kutalika kuposa kuthandizira: chithunzi chimodzi mu webusaiti yamakono ndi nthawi zambiri 3/4 ya kukula pa mtundu wowoneka bwino, zomwe ndi zoyenera kuchita pa chilichonse chomwe chimawonekera pamwamba pa fold.
Kodi ndingasinthe dzina la chidacho popeza WebP sichisintha?
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Kwambiri nthawi zonse, ndipo ndi bwino kumvetsa chifukwa chake: kuwonjezeka ndi label, pamene bytes m'maganizo ndi zopangidwa kwa mtundu wina mfundo. Kusintha dzina amapanga fayilo amene dzina lake amalonjeza chinachake za zinthu zake sikuti kubweretsa, ndi zimene amatsegula izo kapena amakana fayilo kapena misreads izo. Mmodzi waukulu kulephera ndi awiri mtundu amene ndi weniweni wofanana wonyamula pansi pa dzina losiyana - ndi ngakhale pamenepo bwino rewrap ndi chitetezo kuposa kusintha dzina.
Kodi ndingasinthe fayilo yonse ya WebP mafayilo m'modzimmodzi?
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Ndi akaunti, yeah - kugwa iwo limodzi ndipo iwo ali mu mnda monga ntchito imodzi kuposa kusamalira mmodzi pa nthawi, ndi zosankha zofanana zogwiritsira ntchito m'magulu ndi zotsatira zobwerera limodzi. Free conversions kuyendetsa imodzi wapamwamba pa nthawi (kuphatikiza zida zimatenga awiri); a ndalama malire ndi zimene zimatsegula processing gulu ndi zikuluzikulu per-fayilo malire, amene ndi zimene amachititsa kusintha archive lonse zothandiza.
