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Indlela yokufaka i-watermark JPG

1 Layisha phezulu i JPG images ofuna ukuyiphawula, sele kubungakanani babo obugqibeleleyo - uphawulo lwamanzi luya emva kokuguqula ubungakanani, hayi phambi kwayo.

2 Layisha phezulu ilogo ye-PNG ebonisa ngaphaya okanye ubhale umbhalo wakho, emva koko ukhethe ifonti, umbala nokungaboni ngaphaya.

3 Misela indawo, okanye utshintshe ukuphinda-phinda okuthe tyaba xa umqondiso wekona enye ulula kakhulu ukutywina.

4 Layisha ezantsi ifayili ephawulwe ngamanzi JPG; akukho nto ingaphezulu ifakwe kuyo.

Uphawu lwamanzi JPG Imibuzo ebuzwa rhoqo

Ingaba ifomati yefayile inegalelo ekubeni umqondiso wamanzi uphuma njani?

Iyenza. I-JPG igcina i-8-bit RGB idlula kwi-DCT elahlekile ene-4:2:0 chroma subsampleing ngokumiselweyo, ngoko umbhalo omnyama olungileyo kunye nemiphetho eqinileyo zizinto zokuqala zokuncamathela. Eli lilawula ukuba uphawu oluthe tyaba luya kudityaniswa njani kwizinto ezingaphakathi.

Nantoni na ekhethekileyo kwi JPG ekufuneka uyazi?

Ewe — Yonke i-save iphinde iqhube i-quantiser, ngoko ukuhlela kwakhona nokugcina kwakhona i-JPG kudibanisa ukulimala kokwenza nokuba awunakunyusa umgca wokutyibiliza womgangatho. Isebenza xa kumsebenzi wakho uqhubekeko-msebenzi iphawu kufuneka lisetyenziswe.

Ingaba umqondiso wamanzi ukhusela umsebenzi wam?

Ithintela ukusetyenziswa kwakhona okuqhelekileyo kwaye ikunika uncedo; ayikhuselekanga. Umqondiso wekona ungatywinwa kwaye omnye omnyama ungatywinwa ngaphandle. Ukuba ukhuselo lubalulekile, umqondiso omkhulu ocacileyo-ocacileyo kwisihloko unzima kakhulu ukususwa kunenye efihlakeleyo kwikona.

Ndimele ndibeke uphawu lwamanzi phambi okanye emva kokuguqula ubungakanani?

Emva. Yenza uphawu lwamanzi olugqibeleleyo olunokulungiswa kubungakanani bayo olungagqibekanga, ukuze uphawu luhlale lufundeka kwaye lulinganiswe. Ukwenza uphawu lwamanzi lomphathi oza kuqhubekekisa kwakhona kuthetha ukuba uphawu luya kuphinda luthathwe kwaye lucinezelwe kunye nezinye zonke izinto.

Ndingaqhuba i Uphawu lwamanzi JPG kwi JPG images ezininzi ngaxeshanye?

Ewe. Nciphisa iqela lonke kwindawo yolayisho phezulu kwaye ziphole ngokuthe ngqo ngemimiselo efana nayo - le yisizathu esiphambili sokwenza oku kumkhangeli zincwadi kunokuba yifayile enye ngexesha kumhleli. Iiakhawunti ezikhululekileyo ziqhuba ifayile enye kwiqela; ugqithiso luyikhupha loo nto.

Ithini into ebangela ukuba i-EXIF ne-data yeprofayili yombala isebenze?

Ikhamera EXIF (ISO, i-shutter, i-lens, i-GPS) kunye ne-ICC efakwe kwiprofayili idluliselwa ngokumiselweyo, kuba ukulahla iprofayili kwenza umbala utshintshe xa uphinda urhweba ngaphakathi. Sebenzisa ukhetho lokhuseleko lokususa i-metadata phambi kokukhuphela ukuba ujongene nokupapasha ifayili.

Ingaba i Uphawu lwamanzi JPG ibiza nantoni na?

Umhlathi Uphawu lwamanzi JPG ukhululekile ngaphandle kwe-akhawunti, akukho phawu lwamanzi kwimveliso kwaye akukho mnatha wobhaliso phambi kokukhuphela. Ukukhuphela kususwa ngokuzenzekelayo ngexesha elifutshane emva kokuba umsebenzi ugqibile.

Ingaba kukho umda wobungakanani befayili kwi Uphawu lwamanzi JPG?

Ewe: i-akhawunti ekhululekileyo iqhubekeka imifanekiso ukuya kwi-5 MB nganye, equka ngokucacileyo yonke ikhamera ye-JPG kunye nefowuni yomfanekiso; umsebenzi ukwenziwa yi-libjpeg-turbo ne-libwebp, iilayibrari ezifanayo umhleli we-desktop uqhagamshelana nazo. Iifayili ezinkulu zizinto ezi-1 ezimfutshane ezikhululekileyo eziza kukuthintela, kwaye umda yifayili nganye kunokuba yiqela ngalinye.

Kutheni i PNG inxuwa liququzelela Uphawu lwamanzi JPG?

PNG.to ibekwe phantsi kohlobo olusebenzisayo xa awukwazi ukulahlekelwa yi-pixel: akukho lahlekelwa, i-alpha-ekwaziyo, neimpendulo elungileyo yescreenshots, ilogos, umzobo womgca nantoni na enemiphetho eqinileyo. Umsebenzi womfanekiso awusoloko uthatha inyathelo elinye: abantu bafika ukutshintsha ifomati kwaye bashiye befuna umfanekiso ohlukileyo kubungakanani, ubunzima obuhlukileyo okanye isimbo esihlukileyo. Ukusebenza Uphawu lwamanzi JPG kwindlela yokukhuphela enye, ubungakanani obufanayo becaps kunye neakhawunti enye yisizathu esipheleleyo esikhona apha kunokuba kwi tab yesine.

Ndiza kwenza ntoni ngeziphumo xa i Uphawu lwamanzi JPG igqityiwe?

Umguquli kule ndawo ushenxisa imifanekiso ukuya nakwi-PNG, JPG, WebP, GIF ne-SVG — eyona nto iphambili apho ukhetho malunga nokubonakala ngathi luya kwenziwa. Lo ngumhlathi abantu abaninzi bafika ngawo, kwaye ukuyenza emva Uphawu lwamanzi JPG kunokuba phambi ithetha ukuba uguqulelo lusebenza kwifayile ogqibile ukumisela kuyo.

Ingaba Uphawu lwamanzi JPG apha isixhobo esifanayo esisebenza kumasayithi afana nalowo?

Iinjini zinikezelwa - iilayibrari ezifanayo, abasebenzi abafanayo, amaqondo afanayo. Okuhlukayo kukucebiso, kwaye ucebiso apha luqala kwinyani enye malunga nefomati le ndawo ibizwa emva: akukho mqhoboshi womgangatho onokuthi uphume embi — i-PNG ijikeleza-ihamba ngokuchanekileyo, ngoko into ekuphela kwayo eyenza utshintsho ibiza ubungakanani befayili. I PNG indawo ithetha malunga apho PNG yindawo efanelekileyo yokugqitha kwaye apho ayiyiyo, kwaye loo hlolo lixabiso ngaphezulu kweqhosha.

Ndifuna i-akhawunti, kwaye ngaba kukho into egcinwa?

Akukho akhawunti, kwaye akukho nto igcinwa: ulayisho lususwa kubasebenzi emva komsebenzi ugqiba, kwaye akukho nto uyenzayo ikhowudi, idweliswe okanye isetyenziswa nakweyiphi na enye into. Iiakhawunti ezikhululekileyo zikhona kwimbali kunye nobungakanani beqela, hayi kwingeniso.