Tshintsha EPUB ukuba PNG

Guqula Eyakho EPUB ukuba PNG iifayile ngokulula

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*Iifayile zicinyiwe emva kweeyure ezingama-24

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

Iyalayisha

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

Ndiyiguqula njani ifayili EPUB ibe yi PNG?

Layisha phezulu ifayile yakho EPUB usebenzisa umkhethi ophezulu kwaye umguquli ufumanisa udidi lombhalo ovela kumbhali kwaye uqhuba i EPUB → PNG ipayipi. Isiphumo sikhuphela ngokuzenzekelayo xa uguqulelo lugqibekile; akukho akhawunti ifunekayo kuguqulelo oluthile. I-EPUB yincwadi evulekileyo eqhelekileyo ye-ebook evela kwi-International Digital Publishing Forum, ngoku igcinwa yi-W3C. I-PNG yaphuhliswa ngowe-1996 njengento engekhoyo kwipateni ye-GIF, kwaye yayiyifomati yomfanekiso ongekhoyo kwi-web.

Ingaba i PNG iya kuvula ngokuthe ngqo kwi-browser?

Ewe, kwaye EPUB ayizukuba nayo. Iibrawuzi zithumela ikhowudi yokufikelela kwi PNG kwaye akukho nto kwi EPUB, ngoko EPUB ikhonkco libangela ulayisho ezantsi ngelixa i PNG ibonisa umgca. Oku kuqhelekileyo kubangela ukhetho 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 ixhasa ukubonakaliswa ngokucacileyo?

Ifomati isebenza, kodwa umbhali akafuni i-alpha ukunika - ii-frames zevidiyo kunye neephepha ezibonisiweyo zicacile ngokupheleleyo, ngoko ke zonke ii-pixels zifika ziqinile. Isiqhagamshelanisi se-alpha sihlala sisetyenziswa emva koko: kuthetha ukuba ungacima into ephuma kwi-PNG kamva ngaphandle kokuguqula i-format kwakhona.

Ingaba iifayili PNG ziya kuba zikhulu kangakanani?

Ikhulu kunalo lonke ulindeleyo, 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 ukuphuma okude kudibanisa ngokukhawuleza. Oku kurhwebo oluchanekileyo xa imifanekiso i feed iqhubekeka, kwaye okubi xa zihamba 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 i-EPUB ifayili yam i refuses to convert?

DRM, kwimeko eninzi. I-EPUB ekhuselekileyo ikhowudiwe kwaye idityaniswe kwi-akhawunti, kwaye akukho mguquli unokuyikhuphela 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 - luya phantsi kakhulu.

Ndingaguqula kuphela inxalenye ye EPUB endaweni yobuninzi bayo?

Ewe - uluhlu lwephepha lokhetho luthatha `1- 5`, `1,3,5` okanye `zonke`, ngoko isithuba esifanayo, isiqalelo okanye isiqulathi seefayili singasuswa ngaphandle kokusebenzisa isiphelo. Kuxwebhu olude olu lutshintsho phakathi kweefayile ezincinci kunye neekhulu ezininzi.

Ingaba i EPUB ukuya kwi PNG iguqulela ikhululekile?

Ewe - isiseko EPUB → PNG uguqulelo lukhululekile ngaphandle kobhaliso olufunekayo. I-Premium idibanisa umda ophezulu wobungakanani befayili nganye, abasebenza ngokuthe tye, ulondolozo olude, kwaye isusa ii-ad.

Ingaba ifile EPUB inkulu kangakanani na ndiyiguqule ibe yi PNG?

Ii-akhawunti ezikhululekileyo: ukuya kuthi ga kwi-100 MB ngefayili nganye EPUB. I-premium: i-1 GB ngefayili nganye ngokuxhomekeke kuhlobo lomcebo. Iifayile ezinkulu kakhulu zihlukaniswa zibe zii-chunks kwi-server-side xa ifomati PNG ivumela.

Ingaba uguqulelo lutshintsha okuqulethwe kwi EPUB yam?

Uguqulelo lugcina yonke inkcukacha ekufuneka i EPUB ne PNG ziyi represent. Iimpawu ezikhethekileyo zefomati e PNG ayikwazi ukuzi represent (umzekelo. i-data ye-vector kwi-raster output, i-formula kwi-plain-text output) zi-rasterized okanye zi-stripped — iphepha leziphumo lidwelisa into etshintshiweyo. I-EPUB yi ZIP yovimba we XHTML ne CSS enemiboniso - ngokukodwa iwebhusayithi encinci epakishwe njengencwadi.

Ndingaguqula iifayile ezininzi EPUB zibe PNG ngaxeshanye?

Ewe — khupha iifayile ezininzi EPUB kummandla wokulayisha kwaye zifololwe ngokuthe ngqo. I-Premium iqhuba abasebenzi abathe ngqo abaninzi; kwifayile ye-50 yeqela lezinto eziluncedo le yi-differance phakathi kwemizuzu nemizuzu.

Ingaba i-EPUB ukuya kwi-PNG iguqulela isebenza kwifowuni kunye neetablets?

Ewe - i-UI iphendula kwaye i-conversion pipeline iqhuba kwi-server-side, ngoko ii-mobile devices zikhuphela-za-zikhuphela-zikhuphela njenge-desktops. iOS kunye ne-Android browser file pickers (ikhamera ijikeleza, iFayili ye-app) isebenza ekupheleni-kwi-end.