Tshintsha EPUB ukuba JPG

Guqula Eyakho EPUB ukuba JPG iifayile ngokulula

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*Iifayile zicinyiwe emva kweeyure ezingama-24

Tshintsha iifayile simahla, Pro abasebenzisi bangaguqula iifayile ezinkulu kakhulu; Bhalisa ngoku

Iyalayisha

Indlela yokuguqula EPUB ukuba JPG

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 JPG iifayile

EPUB ukuba JPG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani ifayili EPUB ibe yi JPG?

Layisha phezulu ifayile yakho EPUB usebenzisa umkhethi ophezulu kwaye umguquli ufumanisa udidi lombhalo ovela kumbhali kwaye uqhuba i EPUB → JPG 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-JPG yi-JPEG eqhelekileyo ukusukela ngo-1992, kwaye emva kweminyaka emithathu ihlala i-format esetyenziswa ziikhamera ezininzi kunye ne-web sites ezininzi zomfanekiso.

Ingaba i JPG iya kuvula ngokuthe ngqo kwi-browser?

Ewe, kwaye EPUB ayizukuba nayo. Iibrawuzi zithumela ikhowudi yokufikelela kwi JPG kwaye akukho nto kwi EPUB, ngoko EPUB ikhonkco libangela ulayisho ezantsi ngelixa i JPG ibonisa umgca. Oku kuqhelekileyo kubangela ukhetho xa ifayile isiya kwiphepha le web kunokuba ifike kwisicelo. I-JPG icinezela imifanekiso ebonakalayo ngokumangalisayo kwaye ifundeka ngazo zonke izixhobo, umkhangeli zincwadi nomshicileli okhoyo.

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.

Lithini isicwangciso somgangatho endingayisebenzisa kwi-JPG yemveliso?

Ubunjani 85 bumiselwe ngokungagqibekanga kwaye lusetyenziswa ngaphandle kokuba utshintshe - olubonakalayo olungaqhelekanga kumvelaphi kumgama oqhelekileyo wokubona, malunga neshumi lesihlanu lobungakanani obulinganayo olungenamonakalo. Nqakraza kwi 95 nantoni na ezakuhlela okanye ishicilelwe, kwaye khupha kwi 70 yemifanekiso eqingqiweyo apho ubungakanani bulawula. I-JPG ilahlekile: umfanekiso uguqulwa nge-DCT, u-quantized, kunye ne-entropiy-coded, ngeqhosha lomgangatho elilawula ukuba kuphi okuninzi okulahlekileyo.

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.

Ndifumana umfanekiso omnye kwiphepha ngalinye?

Ewe - iphepha ngalinye libonisa njengefayili yayo JPG kwaye iseti ifika njenge-ZIP. Ukhetho loluhlu lwephepha luyicinezela ezantsi xa ufuna kuphela umgca okanye isithuba esifanayo, kwaye ukumisela kwiphepha elinye kubuyisela ifayili enye endaweni yovimba.

Ingaba i EPUB ukuya kwi JPG iguqulela ikhululekile?

Ewe - isiseko EPUB → JPG 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 JPG?

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 JPG ivumela.

Ingaba uguqulelo lutshintsha okuqulethwe kwi EPUB yam?

Uguqulelo lugcina yonke inkcukacha ekufuneka i EPUB ne JPG ziyi represent. Iimpawu ezikhethekileyo zefomati e JPG 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 JPG 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-JPG 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.