Cindezela JFIF

Yenza JFIF images ncane ku-inthanethi

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Ukulayisha

Indlela yokucindezela JFIF

1 Nciphisa i JFIF images yakho kwibhokisi eliphezulu, noma ukhethe kusuka kwidivayisi yakho — akukho okuzofakwa futhi akukho i-akhawunti eyenza.

2 Khetha ukuthi ungacindezela kanjani ngesinqumo esiboniswa kulolu hlobo lwefayela: izinga lomgangatho wezithombe, i-bitrate yomsindo, noma ubukhulu noma izinga lomgangatho wevidiyo.

3 Qala umsebenzi bese uvumela abasebenzayo ukuthi baphinde bahlanganise ihele; okubhaliwe akushintshiwe endaweni.

4 Linganisa ubukhulu obusha nobukhona, bese ulanda ifayela elicindezelwe JFIF.

Cindezela JFIF Imibuzo Evame Ukubuzwa

Ingabe ifomu lefayela lami lishintsha inani elincane ngizogcina?

Kuhle kakhulu. I-JFIF iyi-JPEG bitstream elula ngaphansi kwesihloko soshintsho olusemthethweni 1992, ngakho-ke abanye ababukeli babonisa njengesithombe esijwayelekile futhi amakhamera aqhubeka nokuyikhipha. Okusho ukuthi igumbi lokuphumula elikhona kanye nokuthi ngabe ukulondoloza kubiza yini noma yini ethembekile.

Ingabe kukhona okuthile okukhethekile ku JFIF okufanele ngikwazi ngaphambi kokucindezela?

Yebo — Abahleli abaningi babhala kabusha i-JFIF njenge-JPEG ejwayelekile uma begcina, ngakho gcina okujwayelekile uma isiqephu se-.jfif sibalulekile kunoma yini esebenzisa ihele. Kubalulekile ukwazi ngaphambi kokubhala ngaphezulu okujwayelekile okungahle kudinga ukuphinda.

Yini iphutha elivame kakhulu uma licindezela JFIF images?

Ukucindezela ifayela elifanayo ngokuphindaphinda. Ukuhamba ngalinye kwifomethi elahlekile kuyisizukulwane esitsha sokulimala futhi ukulondolozwa kuncane uma ukulimala kuqoqwa. Iya kusuka kukuqala kuya kunjongo yakho ngenyathelo eyodwa, futhi ugcine okukuqala.

Yini engitholayo emuva, futhi ngingakwazi ukuphatha i-trade-off?

Ihele elilodwa elicindezelwe ngengeniso ngalinye, kukhwalithi noma izinga le-bitrate okhetha kuyo kunephutha eliqinile. Uma imiphumela ingancane ngokwanele, ukuguqula izilinganiso noma isikhathi sizokwenza okuningi kunalokho ukucindezela isici sokuzingela ngezansi.

Ingabe ngizosebenzisa Cindezela JFIF ku JFIF images amaningi ngasikhathi sinye?

Yebo. Thola isethulo esigcwele endaweni yokulayisha bese zihamba ngokufanayo nezilungiselelo ezifanayo - lokhu kuyisizathu esiyinhloko sokwenza lokhu kubrowser ngaphezu kwefayela elilodwa ngasikhathi sinye kumhleli. Ama-akhawunti amahhala aqhuba ifayela elilodwa ngasikhathi sinye; i-pass lifts that.

Yini ekwenzeke ku-EXIF nedatha yeprofayili yombala?

Kuxhomekeka kwithuluzi. Ukucindezela kususa i-EXIF kanye neprofayili yombala ofakwe ngaphakathi ukuze ugcine indawo, ngenkathi ukuhlela njengenguqulo yosayizi noma ukujikeleza kungagcina. Akukho sinqumo kulekhasi lokukhetha, ngakho hlola ifayela ngombonisi wedatha yemeta ngaphambi kokuyishicilela uma idatha yendawo ibalulekile.

Ingabe Cindezela JFIF ibiza noma yini?

No. Cindezela JFIF imahhala ngaphandle kwe-akhawunti futhi ifaka i-watermark. Ukulayisha kanye nemiphumela isuswa ngokuzenzakalela cishe amahora angama-24 ngemuva komsebenzi, oshiya isikhathi sokulanda imiphumela.

Ingabe kunesilinganiselo sobukhulu behele ku Cindezela JFIF?

Yebo: ama-akhawunti amahhala asebenza ngezithombe kuze kube yi-5 MB ngayinye, ehlanganisa ngokuyinhloko yonke ikhamera JPG nesithombe sefoni; umsebenzi ukwenziwa yi-libjpeg-turbo ne-libwebp, ama-library afanayo umhleli wedesktop uxhumana nawo. Amafayela amakhulu yizinto ezincane ezizokuvimbela ukungena ku-free level, futhi umkhawulo uhele ngalinye hhayi iqembu ngalinye.

Kungani i PNG site i host Cindezela JFIF?

PNG.to ifakwe ngaphansi kwefomethi oyisebenzisayo uma ungakwazi ukulahlekelwa yi-pixel: ayilahleki, ikwazi ukubhala, futhi yisinqumo esilungile sezithombe-skrini, izibonisi, umdwebo we-line kanye nanoma yini eneziphetho ezinzima. Isithombe somsebenzi sincane kakhulu isikhashana: abantu bafika ukushintsha ifomu futhi bashiye isithombe esidinga ubukhulu obuhlukile, ubunzima obuhlukile noma ifomu elihlukile. Ukuhamba Cindezela JFIF ku-upload pipeline efanayo, ubukhulu obufanayo be-caps kanye ne-akhawunti efanayo yisizathu esigcwele ukuthi ikhona ngaphezu kwe-tab yesi-4.

Yini okufanele ngiyenze ngemiphumela uma i Cindezela JFIF iqediwe?

Umguquli kule ndawo uhambisa izithombe ku-PNG, JPG, WebP, GIF ne SVG — okuwusuku oluzothatha isigqibo mayelana nokubukeka okucacile. Lolu hlelo luyisinqumo abantu abaningi befika kuso, futhi ukwenze ngemuva kwe-Cindezela JFIF ngaphezu kokungaphambili kusho ukuthi ukuguqulwa kusebenza kusuka kuhele okuphelelwe isikhathi.

Ingabe Cindezela JFIF lapha ithuluzi elifanayo lezindawo ezifanayo ezisebenza?

Ama-engine ahlukaniswe — ama-library afanayo, abasebenzi abafanayo, ama-limits afanayo. Okunye okuhlukile yi-advice, futhi i-advice lapha iqala kusuka kuqiniso elilodwa mayelana nefomethi lendawo ibizwa ngemuva: Akukho sinqumlisi somgangatho esingakwazi ukukhohlwa — i-PNG ihamba ngezinyawo ngokucophelela, ngakho into eyodwa kuphela eguqula izindleko zakho yisayizi yefayela. I PNG site icabanga ukuthi i PNG iyindawo efanele yokufinyelela futhi lapho ayikhona, futhi ukuthi uhlolo lungcono kuneqhosha.

Ngidinga i-akhawunti, futhi yini egcinwa?

Akukho akhawunti edingekayo. Ukulayisha kanye nemiphumela igcinwa cishe amahora angama-24, okushiya isikhathi sokulayisha imiphumela, bese isuswa ngokuzenzakalela; akukho muntu ofunda, ohlela noma okhomba. Amafayela amaningi emisebenzini eyodwa adinga iphrojekthi ekhokhelwa.