Tshintsha ubungakanani Image

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Iinketho Zobungakanani kwakhona:

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Ubude (px)

Gcina ubungakanani bendawo yokubonisa

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Iyalayisha

Indlela yokuguqula ubungakanani Image

1 Layisha phezulu i images ofuna ukuyiguqula ubungakanani bayo - sebenze ukusuka kwi-original enkulu onayo kunokuba usebenze kwikopi esele uyincinane.

2 Misela ubungakanani obutsha: kumfanekiso, ububanzi nobude kwi-pixels kunye notshixo olukhethwayo lobungakanani be-aspect ratio; kwividiyo, enye yezinto ezimiselweyo ezisuka kwi-1920x1080 ukuya kwi-640x360.

3 Qala ubungakanani kwakhona; umfanekiso ulinganiselwe kubungakanani obukhethiweyo.

4 Layisha ezantsi ifayile eguqulwe kancinane ye Image.

Tshintsha ubungakanani Image Imibuzo ebuzwa rhoqo

I Tshintsha ubungakanani Image itshintsha njani iimfuno?

Ngokucacileyo, ifayile nganye iphinda isampele nge Lanczos kwaye ibhalwe kwakhona kwifomati yayo, ngoko iqela elixutyiweyo liphuma lilingana nobungakanani ngaphandle kokunyulwa ngefomati enye eqhelekileyo kuqala. Umfanekiso unika ububanzi nobude ngee-pixels; ividiyo ukhetha enye yezinto ezimiselweyo. Isebenza ukusuka kumfanekiso omtsha kunokuba isebenze ukusuka kwikopi eguqulwe ubungakanani ngaphambili.

Ndingagcina njani uthelekiso lwezinto ezibonakalayo, okanye ndivumele ubungakanani obuchanekileyo?

Zonke. Tshixa uthelekiso kwaye ubungakanani obunye buvela kwelinye, ekufuneka uyenze rhoqo. Tshixa kwaye ufumane amanani abhaliweyo, ngexabiso lokutsala - esebenzayo kwi slot emiselweyo, engalunganga kwi mifanekiso.

Ingaba ifomati yombhalo inegalelo kwiziphumo zotshintsho lobungakanani?

Iyenza. le fomati ifundwa ibhalwe nge-streaming pipe efanayo njengento yonke eminye exhaswa. Oku kugqiba ukuba uxinzelelo lwefayile luyingxaki ye pixels kuphela okanye ingxaki yokubuyisela ukukhowuda.

Ingaba kukho into ekhethekileyo kwi Image endimele ndiyijonge?

Ewe — i-pipeline ifunda ifomati eyiyo evela kwifayile yesihloko kunokuba iqhubekeko-magama, ngoko ulayisho olunophawu olungalunganga lusebenza. Kufuneka ujonge phambi kokuba utshintshe ubungakanani befayili oza kukwazi ukuyibuyisela kwakhona.

Yintoni impazamo eqhelekileyo xa utshintsha ubungakanani be images?

Ukunyuka. Ukunyusa akukwazi ukuvelisa inkcukacha ezingazange zithathelwe, ngoko ke impumelelo yifomathi ecocekileyo yokuqala kubungakanani obukhulu. Soloko uguqula ubungakanani ezantsi ukusuka kumcebo omkhulu onawo, uguqula ubungakanani kabini endaweni yemizuzu.

Yintoni imilinganiselo kufuneka ndiyibeke njengenjongo?

Uthelekiso lwe slot iya kuhlala kuyo. Ububanzi obupheleleyo web hero akazange afune ngaphezulu kwe 1920 pixels ububanzi, imixholo umfanekiso 1200, ithumbnail 400, kwaye ukuphindaphinda la manani iquka high- DPI ikhusi. Nantoni na ngaphezulu kwee bytes akukho mntu ubona.

Ziziphi iifayili zomfanekiso ezixhaswa yi Tshintsha ubungakanani Image?

Zonke eziqhelekileyo — JPG, JPEG, PNG, WebP, GIF, BMP, TIFF, SVG, ICO, PSD, JFIF ne HEIC. Ungadibanisa iifomati ngokukhululekileyo kwiqela elinye; ifayili nganye iphawulwe kwisihloko sayo kwaye ikhowudiwe kwi-decoder ekunene.

Ingaba kukho umda wobungakanani befayili kwi Tshintsha ubungakanani Image?

Ewe: ii-akhawunti ezikhululekileyo ziqhubekeka imifanekiso ukuya kwi-5 MB nganye ngaphandle kokuba ifomati yomfanekiso owawuthabathayo; ImageMagick, libjpeg-turbo, libpng ne libwebp zenza umsebenzi osebenzayo. Isiphelo sendlela sikwifayili nganye, ngoko ke iqela lemifanekiso engama-20 ye-5 MB iyasebenza nokuba i-total ingaphezulu kakhulu komda.

Ingaba i Tshintsha ubungakanani Image iya kunyusa ubunjani be images yam?

Oku kuxhomekeke kwinto oyilenzileyo. Umsuka ongenakulahleka (PNG, BMP, TIFF) ujikeleza ngokuchanekileyo; omnye olahlekayo (JPG, WebP, GIF) sele uvelise i-quantization pass enye kwaye uphinde ukhowudiwe kuphela ukuba umsebenzi ufuna oku.

Ndingaqhuba i Tshintsha ubungakanani Image kwi images ezininzi ngaxeshanye?

Ewe, kwaye ukuxuba ifomati kwiqela lilungile - izicwangciso zisetyenziswa kwifayile nganye nge decoder elungileyo nganye. Iiakhawunti ezikhululekileyo ziqhuba ifayile nganye ngaxeshanye; i pass isusa loo nto.

Yintoni eyenza imetadata kunye nokucaca?

I-EXIF ne-ICC i-inkangeleko yombala ithwala ngaphezulu apho i-format emiselweyo ixhasa khona, kwaye isiqhagamshelanisi se-alpha sihlala nakweyiphi na i-format enayo. Ukuqaqamba kuphelelwe lixesha kuphela xa i-format emiselweyo ayinandlela yokuyibonakalisa.

Ingaba i Tshintsha ubungakanani Image ibiza nantoni na?

Tshintsha ubungakanani Image ikhululekile ngaphandle kwe akhawunti kwaye idibanisa akukho phawu lwamanzi. Ulayisho phezulu neziphumo zicinywa ngokuzenzekelayo malunga neyure ezi 24 emva komsebenzi, oshiya ixesha lokulayisha ezantsi iziphumo.