Guqula EPUB ukuba JPG

Guqula Eyakho EPUB ukuba JPG iifayile ngokulula

Khetha iifayile zakho

*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 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

Ndiyikhupha njani i-cover kwi-EPUB ifayile njenge-JPG?

Layisha phezulu i EPUB kwaye umguquli ufumanisa umfanekiso wesiqulathi seefayili (oqhelekileyo uphawulwe kwi-OPF njenge `imifanekiso yesiqulathi seefayili`) kwaye uyibuyisele njenge JPG. Ngokungagqibekanga sinikezela isiqulathi seefayili kwisisombululo sayo esifakwe ngaphakathi; ukhetho oluphambili "ukuguqula ubungakanani" lukuvumela ukuba ubeke emngciphekweni ububanzi obuthile njenge-400×600 ye-thumbnail grid. 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, i-quantized, kunye ne-entropiya-ekhowudiweyo, 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 - luyikhupha kakubi.

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.

Ndingazibonisa njani zonke iphepha le EPUB njenge JPG?

Ewe - tshintsha ukhetho oluphambili ukusuka "kuquka kuphela" ukuya "kuzo zonke iphepha" kwaye sizaku raster iphepha ngalinye EPUB kwi JPG kwi DPI ekhethiweyo, emva koko siyibeke kwi zip. Amaphepha aphinda ajikeleze EPUB abonisa ubungakanani bephepha oluthe nkqo (A5 / 6×9 / impahla) phambi ko rasterization.

Kwisigqibo esingakanani esiphumayo siphuma i-JPG ekhutshiweyo?

Okumiselweyo ku 1600×2400 (umgangatho ophezulu wokufaka umgca ofanelekileyo wokukhuphela umrhwebi). Iinketho eziphambili zibonisa 600×900 (imifanekiso eqingqiweyo yewebhu), 1200×1800 (umgangatho weKindle shop), 1600×2400 (iApple Books / Kobo), kunye nobungakanani obuzithandayo bokwenza i-ad.

Ingaba i-JPG iya kugcina i-EPUB iprofayili yombala wesiqulathi seefayili?

Ewe — I-ICC profile efakwe kwisigqubuthelo EPUB (ukuba kukho) igcinwa kwi JPG. Iincwadi ezininzi ze-ebook ezilayishwe phezulu zihamba njenge-sRGB, egcina i JPG. Ushicilelo olukhawulezayo lwe-CMYK, sebenzisa i-/image-to-cmyk/ ehlukileyo emva kokukhupha.

Ndingazikhuphela njani iphepha elikhankanyiweyo le EPUB njenge JPG, hayi kuphela isiqulathi seefayili?

Ewe - ukhetho oluphambili loluhlu lwephepha luyavuma izingeniso ezinjenge `1,3,5` okanye `10-15` ukukhetha iphepha elibonisa EPUB eliguqulwa libe JPG iifayile. Isetyenziswa ukutsala imifanekiso okanye ukutsala-ukucofa ukuthengisa.

Kutheni le nto i-JPG yam ekhutshiweyo i-cover imnyama okanye iphantsi-ubungakanani?

I EPUB iqulethe umgca ophantsi womfanekiso ogqibeleleyo. Iincwadi ezininzi ezidala ze-e zihamba nge-600×900 okanye i-JPGs ezincinci zomfanekiso ogqibeleleyo - ukuphakama kwenza ukuba zibe mdaka, hayi ziqaqambileyo. Ukuthengiswa kweempahla, mthombo we-high-res umgca ogqibeleleyo ovela kumshicileli kunokuba ukhuphelo lwencwadi.