Siv cov duab thaij duab hauv Web thiab sau
Yog li, koj cia li tshem tawm cov keeb kwm yav dhau los ntawm ib daim duab thiab tam sim no koj xav siv cov duab ntawm lwm qhov chaw. Koj ua dab tsi? Zoo, lo lus teb tsis yooj yim - nws nyob ntawm seb koj yuav mus nrog nws. Yog li cia wb saib koj cov kev xaiv.
Los ntawm Photoshop (versions ua ntej CS4)
Ua ntej, yog tias koj ua haujlwm hauv Photoshop thiab yuav mus luam tawm lossis Web, xyuas cov Export Transparent Image Wizard nyob rau hauv daim ntawv qhia zaub mov. Nws yuav nug koj ib co lus nug thiab xa daim duab rau hauv hom ntawv uas tsim nyog. Qhov kev xaiv no tau raug tshem tawm hauv Photoshop CS4.
Muaj tiag tiag tsuas yog ob txoj kev ntawm tso duab digital. Daim duab no yuav tshwm sim ntawm ib qho screen xws li smartphone, ntsiav tshuaj los yog duab (los yog loj dua) los yog sau. Yog li qhov kev txiav txim siab tau los ua cov ntaub ntawv.
Daim duab mus rau ib qho screen.
Koj muaj peb qho ntawm no: GIF, PNG, lossis "faking nws nrog JPEG."
- GIF - GIF yog hom thawj nrog transparency yug rau Web. Qhov teeb meem nrog GIF yog tias nws thiaj li tsis muaj xim palette rau ntau tshaj 256 xim, ua rau xim hloov, posterization los yog banding ntawm cov xim, thiab distortion nyob rau hauv high school xim dluab xws li duab. Yog hais tias qhov loj me me ntawm daim duab me me xws li 1-nti square los yog koj yuav muab xo daim duab mus rau ib qhov chaw sib tham xws li Twitter, ces GIF yog ib qho kev xav Lwm qhov downside rau GIF yog tias nws tsuas txhawb 1-ntsis transparency. Qhov no txhais tau hais tias txhua tus pixel hauv koj daim duab s lossis tag nrho pob tshab los yog tsis tshua. Qhov no txhais tau hais tias xws li cov tswv yim hom li poob ntxoov ntxoo thiab vignettes.
- PNG - PNG yog ib hom tsim los tawmtsam ntau ntawm cov kev txwv ntawm GIF. Nws txhawb siab xim thiab ib nrab ntawm kev siv alpha raws . Txawm hais tias PNG tau nyob ib ntus tam sim no, nws siv sij hawm ntev los ua tiav cov me nyuam thoob plaws vim tias tsis muaj kev pab cuam browser hauv nws lub xyoo thaum ntxov. Tab sis cov ntaub PNG cov ntaub ntawv tau txais kev txhawb txij li IE7, thiab txaus siab nyob rau hauv tag nrho cov nrov web browsers hnub no, yog li nws zoo siv PNG hnub no tshwj tsis yog tias koj paub ib feem ntau ntawm koj cov neeg tuaj saib yog siv cov cuab yeej qub thiab software. PNG dluab kuj pom muaj nyob rau hauv mobile devices.
- Nco ntsoov tias yog tias koj xav kom khaws tag nrho cov tsis muaj kev tiv thaiv tsis muaj kev tiv thaiv hawv, koj yuav tsum khaws koj cov ntaub ntawv PNG li PNG-24 thiab tsis PNG-8. PNG-8 no pab tau kom txo cov ntaub ntawv PNG cov ntaub ntawv thaum koj tsis tau transparency, tab sis nws muaj tib xim palette cov kev txwv raws li cov ntaub ntawv GIF .
- Hom PNG hom PNG yog PNG-32.This tsis yog duab 32-ntsis nrog billions ntawm cov xim. Qhov no yog ib daim duab 24-ntsis nrog ib qho ntxiv 8-xim greyscale channel siv transparency.Qhov Photoshop's Export Li ... dialog box, yog tias koj nias lub tshev mis Transparency koj tsim ib lub PNG-32 duab.
- Cuav Transparency nrog JPEG - Qhov no yog ib qho haujlwm uas nyob ntawm thaj chaw ntawm daim duab uas koj xav kom tau los yog muaj cov xim tom qab los ntawm cov nplooj ntawv Web lawv yuav muab tso rau. Qhov no ua tau zoo tshaj plaws thaum tso duab mus rau xim tom qab, lossis ib qho me me, qis dua qub tom qab uas qhov kev daws teeb meem tsis yog qhov teeb meem.
- Qhov ntawd yog ib txoj kev ua. Lwm tus siv los siv kev xaiv twj ywm xws li lub looj ntsej muag tawm ntawm thaj chaw ntawm cov xim xim los yog siv Daim Ntawv Sau Npe kom ua tiav nrog xaiv xim.
- Ntxiv rau JPEG
Daim duab mus rau ib daim ntawv thov layout zoo li InDesign, QuarkXpress los yog PageMaker.
Koj muaj peb qho kev xaiv ntawm no: Tsev av hom phiaj PSD, cov kab kos, los yog alpha.
- Adobe hom PSD hom - PSD khaws cov ntaub ntawv pov thawj ntawm cov ntaub ntawv Adobe, yog li yog tias koj ua haujlwm hauv Adobe daim ntawv thov, cia li siv cov Photoshop PSD hom ntawv ntxig nrog.
- Embedded Paths (EPS) - Cov dluab EPS txhawb kev siv cov kev khawm clipping embedded thiab feem ntau cov ntawv luam kev luam ntawv yuav lees txais hom ntawv EPS . Thaum cov kab kev nkag tau siv rau kev pom zoo, tus kwv uas raug rho tawm tuaj yeem muaj kev tawv tawv. Yog tsis muaj cov ntawv pov thawj.
- Ntxiv rau Paths | Ntxiv rau Clipping Paths
- Alpha Channels (TIFF) - Alpha channels yog cov qhov ncauj qhov ntswg uas txhais tau tias cov ntawv ntxoov ntxoo ntawm grey. Thaum siv nyob rau hauv phab ntawv layout, tus TIFF hom yog nyiam rau cov dluab nrog alpha channel transparency .
- Ntxiv rau Alpha Cheeb | Ntxiv rau qhov ncauj qhov ntswg
Kev Kab Nqis Paths vs. Alpha Raws - Cov ntsiab lus ntawm kev tsim thiab siv cov kab kev kos thiab alpha raws tau nyob rau hauv qhov kev qhia tsib ntawm phau ntawv no txog Kev Teev Cov Ntawv Dua.
Kho dua los ntawm ntsuab ntsuab.
Related: Twg yog cov ntaub ntawv hom twg yog qhov zoo tshaj plaws thaum twg?