PNG hom: nta, daim ntawv thov thiab vim li cas rau qhov muaj koob meej

PNG hom: nta, daim ntawv thov thiab vim li cas rau qhov muaj koob meej
PNG hom: nta, daim ntawv thov thiab vim li cas rau qhov muaj koob meej
Anonim

Ib qho ntawm cov haujlwm tseem ceeb uas tau ntsib los ntawm cov neeg tsim qauv tsim ntawm qhov chaw tshiab yog qhov nrawm nrawm ntawm nplooj ntawv los ntawm browsers. Thiab txij li tsis yog txhua tus neeg siv nyiam tus qauv tsim minimalistic, koj yuav tsum nrhiav kev sib haum xeeb ntawm tus qauv tsim zoo nkauj nrog cov duab zoo nkauj thiab qhov nrawm ntawm lub vev xaib. Yav dhau los, txhawm rau txo qhov hnyav ntawm cov duab, tus tsim lub vev xaib siv GIF lossis JPG. Tam sim no, layout designers tau nce siv cov duab hauv-p.webp

Vim li cas thiaj li tsim-p.webp

png hom ntawv
png hom ntawv

Cov ntawv luv, uas yog lub npe ntawm hom duab no, yog tsim los ntawm thawj cov tsiaj ntawv ntawm cov lus Askiv hauv qab no: portable network graphics, uas txhais tau tias "movable graphics rau siv hauv lub network."-p.webp

Hnub no, ob lub versions ntawm no algorithm tau siv dav. Hauv thawj kis, 8-ntsis xim palette yog siv, thiab hauv qhov thib ob, 24-ntsis ib qho. Ib daim duab hauv PNG-8 hom, piv rau GIF version, muaj qhov sib piv me ntsis zoo dua thiab tsis muaj peev xwm tsim cov animation. Txawm hais tias cov duab zoo li no tuaj yeem muaj qhov siab tshaj plaws ntawm 256 xim, qhov algorithm no tau siv dav los tsim cov duab nraaj, logos, cov duab kos nrog cov npoo ntse, thiab cov duab nrog gradient pob tshab. Nyob rau hauv rooj plaub uas qhov no tsis meej txaus, cov neeg tsim khoom siv 24-ntsis-p.webp

  • Txhim kho compression algorithm kom tsis txhob muaj qhov tsis zoo.
  • Lub peev xwm los siv alpha pob tshab muab 256 qhov sib txawv ntawm pob tshab.
  • Lub xub ntiag ntawm kev kho gamma, uas tso cai rau koj tuaj yeem kho qhov ci ntawm daim duab thaum ua si hauv cov haujlwm sib txawv.
  • About 16.7 lab xim muaj.

Tag nrho cov no ua ke pab txhawb rau kev siv PNG24 txhawm rau txhawm rau cov duab uas muaj cov duab pob tshab, kos duab nrog ntau xim thiab cov duab meej ciam teb.

png cov duab
png cov duab

kev txhim kho

Txawm hais tias qhov kev faib tawm ntawm-p.webp

duab hauv hom
duab hauv hom

Feem ntau ntawm cov neeg siv cov duab kos duab (xws li MS Paint) hnub no tau txais nws ua tus qauv rau kev txuag cov ntaub ntawv "los ntawm lub neej ntawd". Tej zaum, yog nws tsis yog rau cov animations thiab quirks ntawm cov laus versions ntawm Internet Explorer,-g.webp

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