Guqula EPUB ukuba PNG

Guqula Eyakho EPUB ukuba PNG uxwebhu

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Guqula iifayile ezifikelela kwi-1 GB simahla, abasebenzisi bePro banokuguqula iifayile ezifikelela kwi-100 GB; Bhalisa ngoku

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Indlela yokuguqula EPUB ukuba PNG

Inyathelo 1: Layisha eyakho EPUB iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho PNG iifayile

EPUB ukuba PNG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni eyenza i-EPUB ukuya kwi-PNG iguquli?

Iguqula ifayili ye EPUB ibe yi PNG.

Ingaba i-PNG yam izakuba nokungasemva okucacileyo?

Iifayili ze-EPUB azikho nesiqhagamshelanisi se-alpha, ngoko ke isiphumo sizakuba nesiqalo esiqinileyo. Ukufumana ukubonakala kwi-PNG, sebenzisa isixhobo sokuSusa isiqalo kwimveliso ye-PNG.

Ingaba ukuguqulwa kwe-EPUB ukuya kwi-PNG kunokuphinda kuphindeke?

Ungaguqula i-PNG kwakhona kwi-EPUB kule ndawo. Ukuba nayiphi na ifomati ebandakanyiweyo ilahlekile, i-round-trip ayizukuba yi-bit-perfect nakuba ibonakalayo okanye icacile.

Yintoni umgangatho wemveliso endingalindele ukuba ndiyilindele ukusuka kwi-EPUB ukuya kwi-PNG?

Izicwangciso ezimiselweyo zijolise kwi-broadcast / umgangatho we-web - ngokubonakalayo ifana nomcebo kubabukeli abaninzi. Ukusetyenziswa kovimba, khetha ukhetho oluphezulu lomgangatho kwimimiselo yoguquli.

Ingaba incwadi eguqulweyo izakugcina umgqomo wayo, izihloko kunye netheyibhile yezinto eziqulethe?

Ewe apho zombini iifomati zingazichaza. Ubugcisa besiqhoboshelo, iziqalelo zokwahlula kunye netheyibhile e navigable yezinto eziquletheyo zii metadata ezidityanisiweyo, ngoko zihamba ngaphezulu kunokuba ziphathwe kumbhalo. Iinkcukacha ze footnote kunye neengxelo zesalathisi ziinxalenye ezibuthathaka - zihlambuluka kumbhalo ongaphakathi komgca kwinjongo ngaphandle kwendlela ye ankile.

Ingaba i PNG iya kuvula ngokuthe ngqo kwi-browser?

Ewe, kwaye EPUB ayizukuba nayo. Iibrawuzari zithumela i decoder ye PNG kwaye akukho nto ye EPUB, ngoko EPUB uxhulumaniso lubangela ulayisho ezantsi ngelixa PNG ibonisa ngaphakathi komgca. Oku kuqhelekileyo kubangela ugqibo xa ifayile isiya kwiphepha le web kunokuba ifike kwisicelo. I-PNG yinketho efanelekileyo yokuthatha imifanekiso yekhusi, ilogos, umzobo womgca nantoni na enemiphetho eqinileyo okanye ebonisa ngaphaya — akukho cingo, akukho mbala obandayo.

Iphepha lencwadi ephindayo liguqulwa njani libe yimifanekiso ethe nkqo?

Ngokwenza ngazo kubungakanani bephepha olukhethiweyo kuqala, kuba incwadi ephindayo ayinamaphepha angaphakathi - umfundi uyenza ukusuka kwiscreen ububanzi kunye nobungakanani bomgca. Umguquli ukhetha iphepha eliqhelekileyo lobunzulu bomhlaba, ubeka umbhalo ngaphandle kuyo, kwaye uyenza iphepha ngalinye eliphumayo njengomfanekiso omnye. Tshintsha ubungakanani bephepha kwaye ufumana inani elihlukileyo lemifanekiso kwincwadi efanayo.

Ingaba i-PNG i-output ixhasa ukubonakaliswa ngokucacileyo?

Ifomati iyenza, kodwa umbhali akafuni i-alpha ukunika - ii-frames zevidiyo kunye neephepha ezibonisiweyo zicacile ngokupheleleyo, ngoko ke i-pixel nganye ifika iqinile. Isiqhagamshelanisi se-alpha sihlala sisetyenziswa emva koko: kuthetha ukuba ungacima into ephuma kwi-PNG kamva ngaphandle kokuguqula ifomati kwakhona.

Ingaba iifayili PNG ziya kuba zikhulu kangakanani?

Ikhulu kunale ungalindeleyo, kuba PNG igcina i-pixel nganye ngokuchanekileyo kunokuba ilinganise. I-1080p ihlala iwela ngaphantsi kwe-2-5 MB kwaye i-4K ihlala ngaphantsi kwe-6-15 MB, ngoko ke uqhubo olude lokutsala luya kongeza ngokukhawuleza. Oku kurhwebo oluchanekileyo xa imifanekiso idla ngokuqhubekeka, kwaye olungalunganga xa zihamba ngokuthe ngqo kwiphepha le-web. I-PNG isebenzisa uxinzelelo lwe-DEFLATE ngaphezulu kwamagqabantshintshi okuskena acociweyo, ngoko ke i-pixel nganye ihlala ngokuchanekileyo, kunye ne-8-bit epheleleyo ye-alpha channel.

Kutheni le nto ifayili yam EPUB i refuses to convert?

DRM, kwimeko eninzi. I-EPUB ekhuselekileyo ikhowudiwe kwaye idityaniswe kwi-akhawunti, kwaye akukho mguquli unokuyikhupha ikhowudi — i-DRM yethu iquka. Iifayili ozivelise ngokwakho, okanye ozithengise kwi-DRM-free store, ziguqulwe ngaphandle kwengxaki. I-EPUB ayinalo ushicilelo oluthe nkqo, ngoko ke amanani ephepha ayingomsebenzi, kwaye ubeko olunzima - itephu, i-equations, i-multi-column - luyikhupha kakubi.

Ingaba kukho umda wobungakanani befayili xa uguqula i-EPUB ibe yi-PNG?

Ulayisho phezulu olungaziwayo luphelelwe lixesha ngokumiselweyo; i-akhawunti ebhalisiweyo ekhululekileyo ifumana umda ophezulu, kwaye i-akhawunti ye-Pro ayinalo umda wefayili nganye. Inkumbulo yesikhangeli sihlala siyimfuneko yothintelo ixesha elide phambi kokuba umda wethu we-server-side uqale.

Ndingaguqula iifayili ezininzi ze-EPUB zibe yi-PNG ngaxeshanye?

Ewe. Nqumle okanye ukhethe iifayile ezininzi ze EPUB kwifayili enye yokulayisha - umguquli uqhubekeka nazo ngokuthe tye kwaye ubuyisele i-ZIP yeziphumo ze PNG. Akukho mfuneko yokuphinda uqhubekeke inkqubo yefayili nganye.