Mataki na 1: Loda naka EPUB fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza JPG fayiloli
EPUB zuwa JPG Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan fitar da kwafin daga fayil EPUB kamar JPG?
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Ka shigar da EPUB kuma mai maida zai gano hoton kwafin (wanda ake nuna shi a cikin OPF kamar `hoton kwafin`) kuma zai mayar da shi kamar JPG. Bisa diff muna ba da kwafin a cikin ma'anar da aka saka; zaɓin "canza girma" na ci gaba yana ba ka damar yin amfani da wani tsawo na musamman kamar 400×600 ga silinda na thumbnail. JPG shi ne tsarin JPEG daga 1992, kuma bayan shekaru goma shi ne har yanzu format mafi yawan kamara da mafi yawan shafukan yanar gizo suna amfani da su ga hotuna.
Shin za'a buɗe JPG kai tsaye cikin wani shafuka na shafuka?
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Ya, kuma EPUB ba zai yi ba. Manhajoji suna aika da mai decoder ga JPG kuma babu ga EPUB, don haka wata alaƙa ta EPUB tana tilasta wani sauke yayin da wata JPG ke nuna cikin layin. Wannan shi ne abin da ake amfani dashi wajen yanke shawara idan fayil ɗin ya tafi zuwa wani shafi na yanar gizo ba tare da shi ba a cikin wani shiri na ayuka. JPG na ƙunsar hotunan halitta da kyau kuma yana iya karantawa da duk wani na'ura, mai bincike da mai bugawa a cikin halin da ake ciki.
Ta yaya aka canza shafuka na littafin da ake iya sake bugawa zuwa hotuna masu daidaituwa?
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Da nuna su a cikin girman shafi da aka zaba farko, saboda littafin da za'a iya sake zuga ba shi da shafuka na asali - mai karatu yana samar da su daga faɗin fuskar kwamfyuta da girman rubutu. Mai musanya yana zaɓar wani siffar shafi na gabaɗaya, yana sanya rubutu a kanta, kuma yana nuna kowane shafi da ya samu kamar hoton ɗaya. Canja girman shafi kuma za ka sami adadin hoton daban daga littafin da ya yi kama da shi.
Mene ne daidaitattun ingancin da zan yi amfani da su ga fitarwa JPG?
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Quality 85 is the sensible default and the one used unless you change it - visually undistinguishable from the source at normal viewing distance, at roughly a fifth of the size of a lossless equivalent. Push to 95 for anything that will be edited or printed, and drop to 70 for thumbnails where size dominates. JPG yana da asara: an canja hoton da DCT, an kwatanta shi, kuma an canza shi da entropiy-code, tare da wani maɓalli na ingancin da ke kula da adadin da aka manta.
Me yasa fayil ɗin EPUB na kasa canjawa?
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DRM, a kusan kowace al'amari. An rufe EPUB mai karewa kuma an haɗa shi da asusun, kuma babu mai canja wurin da zai iya warware shi — gami da namu. Fayiloli da ka halitta kai tsaye, ko kuma ka saya daga shagon DRM-free, ka canja su ba tare da wata matsala ba. EPUB ba ta da wani shafi mai daidaituwa, don haka adadin shafuka ba su da ma'ana, kuma tsarin da ya fi wuya - taswirar, ma'auni, da kuma layuka da yawa - suna da wahala.
Shin zan iya canja wani sashi kawai na EPUB a matsayinsa na duka?
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Ya, zaɓin maɓallin shafi-jirgi yana ɗaukar '1-5', '1,3,5' ko 'duk', don haka za'a iya fitar da wani sashe guda, wata ƙuntata ko kuma kawai akwatin da ba a sarrafa sauran ba. A kan wata takarda mai tsawo wannan shine bambanci tsakanin wasu fayiloli da ɗaruruwan da dama.
Shin zan iya samun hoton daya a kowace fuska?
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Ya, kowace fuska tana nunawa kamar fayil ɗinta na JPG kuma ƙungiya tana zuwa kamar ZIP. Zaɓin sashe-jirgi na rage wannan idan kana so kawai wani kwafin ko wani sashe guda, kuma daidaita shi zuwa fuska guda zai mayar da fayil ɗaya maimakon arshiya.
Shin zan iya nuna duk wata shafi daga EPUB kamar JPG?
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Na'am — canza zaɓin ci gaba daga "kofar kawai" zuwa "duk shafuka" kuma mu rasterize kowane EPUB shafi zuwa JPG a DPI da aka zaɓa, sa'an nan mu haɗa su cikin zip. Shafuka EPUB masu sake-faɗaɗawa suna nunawa a girman shafi mai ƙayyadadda (A5 / 6×9 / na ɗabi'a) kafin rasterization.
A wane ma'aunin haske ne JPG da aka fitar zai fito?
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Shin JPG zai riƙe siffar launin kwafin EPUB?
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Na'am — An adana siffar ICC da aka rufe cikin fuskar EPUB (in akwai) cikin JPG. Mafi yawan fuskokin littattafai na ebook da masu sayar da littattafai suka rufe suna dauke da sRGB, wanda JPG ke riƙe da shi. Don fitarwa mai shiryawa CMYK, yi amfani da mataki daban na /image-to-cmyk/ bayan fitarwa.
Shin zan iya fitar da wasu shafuka na EPUB kamar JPG, ba kawai fuskar ba?
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Na'am — zaɓin fannin-sakamako na ci gaba yana karɓar shigarwa kamar `1,3,5` ko `10-15` don zaɓar waɗanne EPUB shafuka masu nunawa za'a maida su cikin JPG fayiloli. Yana da amfani ga riƙe hotuna ko kuma riƙe-ƙatacce don tallace-tallace.
Me yasa fuskar JPG da na fitar da ita ta yi duhu ko kuma tana da ƙarancin haske?
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EPUB ya ƙunsa da wani kwafin da ya fi ƙarancin girma. Wasu littattafan ebook da suka fi daɗewa suna da 600×900 ko kuma ƙananan JPGs na kwafin - ƙara girman su yana sanya su zama masu laushi, ba masu tsanani ba. Don kayan kasuwanci, ka samo kwafin da ya fi girma daga mai wallafa, ba tare da ƙara girman kwafin cikin littafi ba.
