PNG Izixhobo

Guqula PNG ukuya nokubuya kwiifomathi ezahlukeneyo

Malunga PNG

Iifayile zePNG zixhasa ukucaca kwaye zisebenzisa ucinezelo olungenalahleko, nto leyo ezenza zilungele imifanekiso, iilogo, kunye neeskrini.

Iindlela Ezisetyenziswa Ngazo Eziqhelekileyo

Ukudala iilogo kunye nemizobo enemvelaphi ecacileyo
Ukugcina imifanekiso-skrini kunye nemifanekiso yobugcisa yedijithali
Imizobo yewebhu efuna ukucaca

PNG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni ifayili PNG?

I-PNG (Iimizobo zeNethiwekhi eziThuthwayo) yifomathi yefayile yemizobo ye-raster exhasa ukucinezelwa kwedatha okungenalahleko kunye nokucaca.

Ingaba kukho into elahlekile xa i PNG iguqulwa ibe yifomati enye engalahlekiyo?

Akukho data ye-pixel. PNG igcina umfanekiso ngokuchanekileyo kunokuba ilinganise, ngoko uguqulelo phakathi kwefomati ezimbini ezingalahlekiyo luyabuyiselwa kwaye luyaphinda kungekho xesha lide ngaphandle kokulahleka. Okunokuphelelwa yinto yonke ejikeleze ii-pixels - iiprofayili zombala, ukuqaqamba, udweliso, i-metadata efakwe ngaphakathi - kuba inkxaso yazo itshintsha kakhulu phakathi kwefomati kunendawo yokugcina i-pixel. I-PNG isebenzisa uxinzelelo lwe-DEFLATE ngaphezulu kwamagqabantshintshi okuskena acociweyo, ngoko ke i-pixel nganye ihlala ngokuchanekileyo, kunye ne-8-bit epheleleyo ye-alpha channel.

Kutheni imifanekiso yekhusi iphuma njenge PNG?

Kuba iscreenshot ngumfanekiso omnye ohlobo olulo olufomati lungcono kakhulu. Oku kukwikhusi kumbala othambileyo, umbhalo kunye namazantsi aqinileyo - ngokuchanekileyo imixholo yoxinzelelo olungalahliyo iphatha kakuhle kwaye ikhowudi yomfanekiso ikhutshwa - kwaye inkqubo yokusebenza iyazi, ngoko ayikuboneleli ngenketho. Ukutshintsha iscreenshot kwifomati yomfanekiso ngokuqhelekileyo yenza kube mkhulu kwaye ophuculekileyo. I-PNG yinketho efanelekileyo yokuthatha imifanekiso yekhusi, ilogos, umzobo womgca nantoni na enemiphetho eqinileyo okanye ebonisa ngaphaya — akukho cingo, akukho mbala obandayo.

Kutheni le nto i PNG yam ikhulu kakhulu kunefoto efanayo njenge-JPG?

Kuba igcina ipixel nganye, kwaye kwifoto akukho ifoto ezimbini ezifanayo. Uxinzelelo olungalahliyo lusebenza ngokufumanisa ukuphindaphinda, kwaye ingqolowa, intshukumo kunye nethambeka linika okuncinci kakhulu, ngoko ifayile ihlala ifutshane nobungakanani bayo obungenakugqitywa. Kwiscreenshot, ilogo okanye umzobo womgca uxinzelelo olufanayo luhle. Olu hlobo - oluhle kumbala othambileyo, olulahlayo kwimifanekiso - luyinto yonke yembali yexesha apho le fomati ilungile. I-PNG yifomati yomfanekiso ophantsi: umfanekiso ogciniweyo njenge-PNG uhlala ukhulu ngeeyure ezisixhenxe ukuya kwezilishumi kunemifanekiso efanayo njenge-JPG okanye i-WebP.

Ingaba i-PNG yifomati efanelekileyo yemifanekiso engumbhalo nemifanekiso engumzobo?

Ewe, ngenxa yesizathu esicacileyo esiyingxaki elungileyo yemifanekiso. Ujongano lwe chrome, umbhalo kunye nemifanekiso eqingqiweyo eqinileyo yezona ndawo zikhulu zombala ofanayo kunye nemida eqaqambileyo, eyenza uxinzelelo olungalahliyo lusebenze kakuhle kwaye uxinzelelo olulahlayo lugweme - ukubonisa kukukhanya okumnyama okuvela phezulu koonobumba xa umfanekiso wekhusi udlula kwikhowudi yomfanekiso. Gcina imifanekiso yekhusi apha kwaye uyiguqule kuphela xa into ephantsi kwendlela i insists.

Ndingasebenzisa i-PNG ngokuthe ngqo kwiphepha le-web?

Ewe - yonke ibrowser yangoku iyenza ngokusemthethweni, ngoko ayifunanga ukopi ozakubuyela umva nokuguqulela ngexesha lokushicilela. Umbuzo osele ukhona ubunzima kunokuba uxhaso: umfanekiso ofanayo kwifomati ye web ekutsha ihlala ikwishumi elinesibini yobungakanani kwifomati ebonakalayo yomgangatho, ekufuneka yenziwe nantoni na ebonakala ngapha kweqokobhe.

Ubani olawula ifomati PNG?

Akukho mntu, kwaye loo nto yinjongo yayo. Ulwazi oluthe kratya luza kufumaneka kumazwe, wonke umntu angalisebenzisa ngaphandle kokucela okanye ukuhlawula, kwaye akukho nkampani ingatshintsha iimeko emva koko - oko kukuthi, iincwadi zokugcina, iindidi zezinto eziqhelekileyo kunye nemibutho yomphakathi ichaza ifomati njengele nto nayiphi na into ekufuneka ivuleke kwiminyaka emibini. Urhwebo aluhambelani, olulugqibeleleyo; kukuba akukho mnikeli oza kuqhagamshelana naye xa ezinye izixhobo zisebenzisa inkcukacha ezimbi. I-PNG yaphuhliswa ngowe-1996 njengento engekhoyo kwipateni ye-GIF, kwaye yayiyifomati yomfanekiso ongekhoyo kwi-web.

Ndingayinika kwakhona igama elipheleleyo lesiqendu endaweni yokuguqula i PNG?

Akukho nanye, kwaye ifanele ukuqonda kutheni: unikezelo luphawu, ngelixa i bytes ngaphakathi zidityaniswe kwifomati ekhethekileyo. Ukuphinda ubize ifayile ivelisa ifayile igama layo lithembisa into imixholo yayo ayinikezeli, kwaye nantoni na evula ifayile okanye ilahlekile ifayile okanye ifunda ngokungachanekanga. Ukuphela kwendlela efutshane kuhlobo olubini oluyinyani ibhokisi efanayo phantsi kwegama elahlukileyo - kwaye nalapho ukuphinda ubhale ngokuchanekileyo kukhuselekile kunegama elahlukileyo.

Ndingayenza i-PNG ibe mkhulu ngaphandle kokuba ihamba ingqukuva?

Kuphela ngokuncitshisiweyo. Ii-pixels eziqhotyoshelwe zizo zonke iinkangeleko ezikhona: ukukhula okanye udibanisa, okunciphisa umda, okanye sebenzisa i-AI upscaler, eyenza iinkangeleko ezinokwenzeka ezingazange zibekho kwi-original. Zonke zilungile kwinqanaba eliphezulu le-3rd okanye njalo kwaye akukho nto iguqula ithumbnail ibe yiposi. Qala kwikopi enkulu onayo kwaye uguqule ubungakanani ezantsi apho ukhetho lukhona.

Yintoni eyenza i-PNG yam ifile emva kokuguqula?

Icima ngokuzenzekelayo. Ulayisho phezulu kunye nesiphumo esiguqulwe kancinane zihlala kumaseva ethu malunga neyure ezi-24, ezishiya ixesha lokulayisha ezantsi impumelelo, kwaye zisuswa ngokuzenzekelayo. Uthutho luya kuhamba ngaphezulu kwe HTTPS kumgca omnye nolunye. Akukho mntu ufunda okuqulethekayo, akukho nto ibhalwe kwisikhokelo, akukho nto igqityiwe komnye umntu.

Ithatha ixesha elingakanani ukutshintsha i-PNG?

Iiyure. Iifayile ezincinci zisebenza ngokukhawuleza, kwaye iimeko ezithatha ixesha elibonakalayo zizo ezizenza umsebenzi obonakalayo: ushicilelo olude olufuna ukuphinde kwenziwe ukukhowuda iframe nge frame, uxwebhu olushayiniweyo oluya kukwazisa uphawu, okanye iqela elikhulu kakhulu. apho uguqulelo luphinda lujikeleze okanye luphinde lupakishe i data ekhoyo ihlala ikhawuleza nokuba ifayile incinci kangakanani na, kuba akukho nto iguqulelwe kwikhowudi.

Yeyiphi indlela engcono yokucubungula PNG iifayile?

Layisha phezulu ifayile yakho ngokudrhuqa kwiphepha okanye ngokucofa ukukhangela, khetha ifomati yemveliso, emva koko qala uguqulelo. Ifayile eguqulweyo ilungile ukulayisha ezantsi xa igqiba.