Guqula PSD kuya JPG

Guqula Eyakho PSD kuya JPG amafayela kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula PSD kuya JPG

Isinyathelo 1: Layisha eyakho PSD amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho JPG amafayela

PSD kuya JPG Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani i-PSD ibe yi-JPG ngaphandle kokulahlekelwa ubuhle besithombe?

Layisha phezulu ihele lakho PSD futhi umguquli wethu ufaka ukulungisa umgangatho okwaziyo ifomethi ye-JPG. Kuzo zonke izimo ezingenalutho (PNG, TIFF, BMP) wonke ama-pixel agcinwa nge-bit-by-bit; kuzo zonke izimo ezingenalutho (JPG, WebP) ungalungisa i-quality factor (iphutha 90) ngaphambi kokufaka ngezansi. I-PSD igcina ama-layers, ama-masks, ama-mix mode, izinto ezihlakaniphile, ama-layers wokuhlela kanye nombhalo ohlelayo njengezingxenye eziphilayo ezihlukile. I-JPG ilahlekelwa yisimo: isithombe siguqulwa nge-DCT, silinganiselwe, futhi sikhonjiswa nge-entropiya, nge-nobhu wobude olawula ukuthi yini elahlekile.

Yini ezoba nezinga le-layers kuhele lwami PSD?

Zihlanganiswa, ngokuqhubekayo, kusithombe esifanayo esihlobene. Amamodali wokuxuba, ama-masks, ama-layers wokuhlela kanye nombhalo ohlelayo wonke axazululwa kumapixels aphesheya ngoba JPG ayikho isakhiwo esigcinayo. Gcina i PSD njenge-master esebenza kahle futhi uthathe i JPG ngokuqinile njenge-export. I-PSD igcina yonke isinqumo sokuhlela esibuyiselwa emuva, ngakho-ke iyifomethi eyinhloko yomsebenzi wokudweba ozoba buyekeziwe. I-JPG ayinayo ukubukeka okucacile, ikhuphuka kancane ngaso sonke isikhathi lapho igcinwa kabusha, futhi ikhiqiza ukuvala okubonakalayo kumbala ophansi nombhalo oqinile.

Ingabe ukubukhali kuzoqhubeka nokushintsha PSD kuya ku JPG?

Akuna - JPG ayikho i-alpha channel, ngakho amasifunda abonisa ngaphaya ahlanganisane nombala wesizinda, omhlophe uma ungashintsha. Lokhu kuyinto ejwayelekile kakhulu enjalo: ilogo ebukeka ihlanzekile kukhasi elimnyama lifika ngebhokisi elimhlophe libhekene nalo. Misela umbala omnyama ukuze ulinganise lapho isithombe sihlala khona, noma khetha okudingayo okugcina i-alpha.

Ingabe ngizolahlekelwa yikhwalithi eningi uma ngisuka ku PSD ngiye ku JPG?

Kukhwalithi engu-80-85 ushintsho alubonakali kude kakhulu kokubheka futhi ifayela liphansi ngo-60-80%. Ukwesaba ukuthi kuyindlela eyodwa: ukulondoloza kabusha i JPG phinda phinda ihlanganise ama-artefacts ngaso sonke isikhathi. Gcina i PSD njengenkosi futhi uphinde udale i JPG kusuka kuyo lapho ufuna ubukhulu obusha.

Ingabe ukuguqulwa PSD kuya ku JPG kugcina ukubukeka okucacile?

Ukubukeka okucacile kuhlala lapho JPG i-PNG, WebP, TIFF, GIF, noma i-SVG. Ukushintsha ibe yi-JPG kuzoba ne-alpha channel efana nendawo yangasemva ebomvu — uma ufuna ukubukeka okucacile, khetha okuzokwazi ukubukeka okucacile endaweni ye-JPG. I-JPG iyisimo se-JPEG esijwayelekile kusukela ngo-1992, futhi ngemuva kweminyaka emithathu ihlala iyisimo esisetshenziswa amakhamera amaningi namanye amawebhusayithi asebenzisa ama-photos.

Ingabe iprofayili yami yombala (sRGB / Adobe RGB / CMYK) izohlala i PSD kuya ku JPG?

Amaprofayili wemibala we-ICC afakwe ngaphakathi afundwa kusuka kumthombo PSD futhi axhunywe kabusha ku-JPG lapho ifomethi ixhasa khona (JPG, PNG, TIFF, WebP). Amafomethi enza i-profayili ayixhasi ibuyela emuva ku-sRGB nge-soft-proof step.

Yini ekwenzeke ku-EXIF metadata uma uguqula PSD usuka ku-JPG?

Ikhamera EXIF (ISO, ishutter, ilensi, GPS) igcinwa ngokuzenzakalela ngesikhathi PSD -> JPG lapho amafomethi amabili exhasa i-metadata. Sebenzisa ukushintsha ubumfihlo ukususa i-metadata ngaphambi kokulayisha ngezansi uma ufuna ukuhlanganisa izithombe ngaphandle kokutholakala kwendawo noma idivayisi-fingerprint.

Ingabe ngingenza ukuguqulwa kwekhulu le PSD amafayela ku JPG ngasikhathi sinye?

Yebo — cindezela amafayela amaningi PSD endaweni yokulayisha futhi babeke ifile ngokufanayo. Isigaba esimahhala sithatha ama-100 MB ngefayela ngalinye; iPremium ayinaso isiphetho sefayela ngalinye futhi isebenza ngemisebenzi eminingi efana, ngakho-ke isithombe esingu-200 siqedela ngezansi kwemizuzu emibini.

Ingabe PSD kuya ku JPG iqhathaniswa kanjani ne-Photoshop / GIMP ngemisebenzi efanayo?

Ukuguqulwa kwefomethi elula sisebenzisa i-libpng / libjpeg-turbo / libwebp / ImageMagick pipes efana ne-desktop editor esebenzisa, ngekhwalithi efanayo. Ushintsho ukuthi amathuluzi wedesktop avula ifayela elinye ngasikhathi sinye; sivumela iqembu futhi sisebenzisana nabo kubasebenzi bekhasimende.

Yini isixazululo kanye nezici zehele JPG?

Ukuziphatha okuzenzakalelayo yi-1:1 — i-JPG yakho yesokudla inezici ze-pixel ezifanayo ne-PSD. Uma ufuna ukushintsha ubukhulu njengengxenye yokuguqulwa, sebenzisa /resize-image/ ngemuva, noma ubeke izinhlelo nge- /image-pipeline/ utility.

Ingabe ihele JPG lincane uma kungabonakali izinto ezibonakalayo?

Nge-JPG / WebP, umgangatho 75-85 uvame ukuletha i-JPG 60-80% encane kune-PSD ngaphandle koshintsho olubonakalayo emgwaqweni wokubuka ojwayelekile. Nge-lossless JPG (PNG, TIFF), cabanga ukulondoloza okuncane — ngokuvamile 5-30% nge-deflate / LZW yokucindezela okungcono kune-source esenayo. I-JPG icindezela izithombe ezijwayelekile ngokuhle futhi ifundeka nganoma iyiphi idivayisi, isiphequluli nephrinta ekhona.

Ingabe amafayela ami PSD afihlakele ngesikhathi sokuguqulwa?

Yebo — amafayela alayishwe phezulu PSD aqhubekelwa phambili emisebenzini ehlukanisiwe futhi acishwe ngaphakathi kwemizuzu. Asikwazi ukufunda, ukugcina, noma ukuhlanganisa idatha ye-pixel. Ifasitela eligcwele lokugcinwa libhalwe ku /privacy/.

PSD

I-PSD (Idokhumenti ye-Photoshop) ifomethi yefayela lendabuko le-Adobe Photoshop. Amafayela e-PSD agcina izithombe ezinezingqimba, okuvumela ukuhlela okungonakalisi nokulondoloza izakhi zomklamo. Zibalulekile ekuklanyweni kwezithombe kochwepheshe kanye nokuphathwa kwezithombe.

JPG

Amafayela we-JPG asebenzisa ukucindezeleka okulahlekile okuhlanganisiwe ngezithombe, kubonisa ubukhulu befayela elincane ngenkathi kugcinwa isilinganiso esibonakalayo.