Lowly GIF yog ua ib qho rov qab vim hais tias nrog kev siv ntawm cov smartphone thiab cov neeg siv bandwidth xwb tau tuaj tos kom luag yuav tsum tau muaj sij hawm. Tus me koj cov duab thaij duab yog, koj cov duab yuav ceev dua thiab qhov kev lom zem dua koj cov qhua yuav zoo dua. Tsis tas li ntawd, ntau cov websites muaj kev txwv ntawm qhov loj ntawm cov banners.
GIF Duab thiab Web
GIF cov duab tsis yog yuav tsum tau saib raws li ib tug loj-haum tag nrho cov kev daws teeb meem. GIF cov dluab muaj siab tshaj plaws ntawm 256 xim, lub ntsiab lus koj yuav xav kom loj duab thiab xim degradation yog tias koj tsis xyuam xim. Cov ntaub ntawv GIF hom ntawv, ntau qhov tseeb, yog ib hom kev legacy uas rov qab mus rau cov hnub nyoog ntxov ntawm lub vas sab. Ua ntej qhov kev qhia ntawm GIF hom ntawv, cov duab cov duab tau dub thiab dawb thiab siv compressed using lub RLE hom ntawv.Thaum xub thawj tshwm sim rau hauv scene hauv 1987 thaum Compuserve tso tawm hom ua ib lub web kev kho. Lub sij hawm ntawd, xim tsuas yog tawm ntawm lub desktop thiab lub vas sab tau nkag los ntawm modems txuas nrog rau cov xov tooj. Qhov no tsim kom muaj ib hom duab uas khaws cov duab me me kom txaus, xa mus hauv xov tooj, xa mus rau qhov web browser hauv kev txiav txim luv luv.
GIF cov duab zoo nkauj rau cov duab ua ntsej muag uas muaj cov duab tshwj xeeb nrog palette, xws li lub logo lossis kab kos. Txawm tias lawv tuaj yeem siv rau cov duab cov xim palette txo tau yuav ua kom pom cov khoom artifacts rau hauv daim duab. Tseem, lub Glitch Art zog thiab qhov sawv ntawm cov yeeb yaj kiab tau ua kom muaj kev ntxim siab dua hauv GIF hom.
Yuav ua li cas Txo GIF Cov Ntaub Ntawv Loj rau Kev Ua Zoo Tshaj Qhov Web Site
Cov tswv yim no yuav pab koj ua kom koj cov GIFs tsawg tshaj li qhov ua tau.
- Qoob loo tawm qhov chaw seem ntawm daim duab. Txo cov duab pixel ntawm koj tus duab yog tib txoj kev zoo tshaj los txo cov ntawv me me. Yog tias koj siv Photoshop, txoj haujlwm Trim ua haujlwm zoo rau qhov no.
- Thaum koj npaj ib tug duab gif, koj xav xav txo cov zis tawm qhov ntev.
- Txo cov xim hauv daim duab.
- Rau animated GIFs, txo cov naj npawb ntawm daim duab.
- Yog tias koj siv Photoshop CC 2017, koj tuaj yeem tsim GIF cov ntaub ntawv los ntawm kev siv Export As tshuab. Xaiv Cov Ntaub Ntawv> Xws Li ... thiab thaum twg cov ntawv qhia qhib, xaiv GIF ua hom ntaub ntawv thiab txo lub cev qhov loj (Qhov dav thiab qhov siab) ntawm daim duab.
- Yog tias koj siv Adobe Photoshop Elements 14, xaiv cov ntaub ntawv> Txuag Rau lub vas sab. Qhov no yuav qhib rau Txuag Rau Web Web lub thawv uas tseem muaj nyob rau hauv Adobe Photoshop CC 2017, Cov Ntaub Ntawv> Xaj> Txuag rau Web (Legacy) . Thaum nws qhib koj tuaj yeem thov kev dithering, txo cov xim thiab lub cev qhov ntev ntawm daim duab.
- Tsis txhob dithering. Dithering tej zaum yuav ua rau ib co dluab zoo dua, tab sis nws yuav nce lub me me ntawv. Yog tias koj qhov software tso cai rau nws, siv ib qib qis dua ntawm kev nqesqhov kom txuag ntxiv bytes.
- Qee cov software muaj ib qho "losis" xaiv rau txuag GIFs. Qhov kev xaiv no tuaj yeem txo cov ntaub ntawv loj, tab sis nws tseem tuaj yeem txo cov duab zoo.
- Tsis txhob siv kev sib cais. Kev sib tshuam feem ntau nce cov ntaub ntawv loj.
- Ob qho Photoshop thiab Photoshop Elements yuav qhia koj cov sij hawm download. Them tsis paub nws. Nws yog raws li kev siv lub 56k modem. Tus nab npawb ntau tshaj tawm yuav tshwm sim yog tias koj xaiv kab xauv los ntawm cov tshuab raj pop-down.
Tswv yim:
- Tsis txhob siv cov yeeb yaj kiab tsis zoo. Animated ntev li ntawm tsuas yog ntxiv rau koj qhov web page lub sij hawm ces, tab sis muaj ntau tus neeg siv nws txoj kev cuam tshuam.
- GIF cov dluab nrog cov blocks loj ntawm cov xim muaj xim thiab kab rov tav cov qauv zoo dua cov dluab nrog xim xim, cov duab ntxoov ntxoo, thiab cov qauv ntsug.
- Thaum uas txo cov xim hauv GIFs, koj yuav tau txais qhov zoo tshaj plaws compression thaum cov zauv xim yog teem rau qhov tsawg tshaj plaws ntawm cov kev xaiv: 2, 4, 8, 16, 32, 64, 128, los yog 256.
Kho dua los ntawm ntsuab ntsuab