Ukusika PNG

I-Free Online PNG Cropper

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Ukhetho

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Iyalayisha

Indlela yokujika PNG

1 Layisha phezulu i PNG images yakho uze ulinde ukujonga phambi koshicilelo ukuba kuvele.

2 Rhuqa ngaphandle ummandla ofuna ukuwugcina, okanye utshixe ukhetho kwi 1:1, 4:3 okanye 16:9 kwaye urhoxise ngokukhululekileyo ngaphakathi kolu hlobo loqhagamshelwano.

3 Qinisekisa ukutywina - i-rectangle efanayo isetyenziswe kwifayile nganye olayishe kuyo, oko kukuthi indlela emiselweyo ephelela ngokuhambelana ngokuqinisekileyo.

4 Layisha ezantsi ifayili ecutiweyo PNG, ngazo zonke izinto ezingaphandle kwesakhelo ezilahlekileyo.

Ukusika PNG Imibuzo ebuzwa rhoqo

I-Ukusika PNG ikhetha kwaye icima indawo njani?

Ngokucacileyo, i-pixel ethe nkqo okhetha yona ibhalwe ngokuthe ngqo ngaphandle kwakhona ngaphandle kokuphinda usebenzise ikhowudi, ngoko ke ukutywina umfanekiso ongenakulahleka kulungile kumazwe ahambelanayo okuqala, i-byte nge-byte. Urhoxisa ummandla ofuna ukuwubona ngokuthe ngqo kwimboniselo, okanye ubhale ngokuchanekileyo i-pixels ezihambelanayo ukuba sele uyazi.

Ndingatyhila njani i-aspect ratio?

Ewe. Tshixa ukhetho kwi 1:1, 4:3, 16:9 okanye nayiphi na i-ratio eyenziwe ngokwezifiso kwaye urhoxise ngokukhululekileyo ngaphakathi kolu xinzelelo - oko kukuthi, ufumana iseti yemifanekiso elungele zonke i-slot yobeko olufanayo ngaphandle kokulinganisela nantoni na.

Ingaba ifomati yam yombhalo itshintsha indlela eziphatha ngayo i-crop?

It can. I-PNG yi-DEFLATE engalahlekiyo enesiqhagamshelanisi esipheleleyo se-8-bit alfa kunye nobunzulu obukhethwayo be-16-bit, ngoko ke ayizukuhlanganiswa kwi-re-save kodwa ifumana uninzi kwizinto eziqulethe imifanekiso. That decides whether the crop is a pure pixel operation or whether the file has to be rebuilt around it.

Nantoni na ekhethekileyo kwi PNG ekufuneka ikwazi phambi kokuba ndityhale?

Ewe — akukho mqolo womgangatho ophosakeleyo — i-PNG ijikeleza-ihamba ngokuchanekileyo, ngoko into ekuphela kwayo eyenza utshintsho ibiza ubungakanani befayili. Loluhlobo lweenkcukacha ezibonisa kuphela emva kokuba ubhale ngaphezulu okubhaliweyo okubhaliweyo.

Yintoni impazamo eqhelekileyo xa uqhagamshela PNG images?

Ukutywina phambi kokwenza ubungakanani kwakhona. Tywina kuqala ukusuka kwi-resolution epheleleyo ebonakalayo, emva koko uguqule ubungakanani besabelo - ukwenza oku kujikeleza kuthetha ukuba ummandla ogcinayo sele ulahlekile inkcukacha ayifuni ukulahleka.

Ndingazicima iifayili ezininzi kummandla ofanayo ngexesha elinye?

Ewe, kwaye le yimeko efanelekileyo yokwenza apha kunokuba kumhleli: i-rectangle efanayo isetyenziswe kwiqela, eyiyo indlela eqela lemveliso eliqhutywa liphele ngokuqinisekileyo lihambelana endaweni yokuhambelana ngokufutshane.

Yintoni endinokuyilayisha kwi Ukusika PNG?

PNG, BMP ne TIFF ziifomati zeraster ezingalahlekiyo eziphatha ngokuthe ngqo, kwaye amacebo alahlekiyo (JPG, WebP, GIF) asebenza kakuhle ukuba ufuna ukuba zikwiqela elifanayo. I-TIFFs yephepha elininzi ifunyenwe kwaye iphathwa iphepha ngalinye.

Ingaba kukho umda wobungakanani befayili kwi Ukusika PNG?

Ewe: ii-akhawunti ezikhululekileyo ziqhubekeka imifanekiso ukuya kwi-25 MB nganye; amacebo angenangxaki abetha loo mphezulu kuqala kunemifanekiso, kuba akukho nto ifunyenwe. Ukuba ugqithile kuyo, ukujika kwi-PNG kuqala kuninzi kakhulu ngokwaneleyo - i-BMP ihlala ilishumi ukuya kwezilishumi elinambini iphindaphindo lobungakanani bomfanekiso ofanayo njenge-PNG.

Ingaba i Ukusika PNG iya kunyusa ubunjani be PNG images yam?

Hayi. Umcebo ongenakulahleka ujikeleza- uhambe ngebithi- ngokuchanekileyo, ngoko ukuba awucelanga ngokucacileyo ufomati yemveliso engalahlekiyo ii pixels ezibuyayo zii pixels eziye zaphuma. Le yisizathu esipheleleyo sokugcina usebenza kulo sapho ngelixa uqhubeka uhlela.

Ndingaqhuba i Ukusika PNG kwi PNG images ezininzi ngaxeshanye?

Ewe - thumela umyalezo kwi Internet.

Ingaba isiqhagamshelanisi se-alpha sihlala?

Ewe. I-PNG ne-TIFF zithatha isiqhagamshelanisi esipheleleyo se-8-bit alfa kwaye zigcinwa ukusuka kwisiphelo ukuya kwisiphelo. Ziphathaniswa kuphela ukuba ujonge ubungakanani obungena-alpha, apho ii-pixels ezicacileyo zidityanisiwe kumbala omnyama.

Ingaba i Ukusika PNG ibiza nantoni na?

No. Ukusika PNG isebenza ngokukhululekileyo ngaphandle kwe-akhawunti kwaye idibanisa akukho phawu lwamanzi. Iifayili zisuswa kubasebenzi emva kokuba ulayishe, kwaye akukho nto malunga nomfanekiso igcinwa.