Cov txiaj ntsig ntawm kev siv Scalable Vector Graphics
Scalable Vector Graphics, los yog SVG, ua si lub luag haujlwm tseem ceeb hauv lub vev xaib hnub no. Yog tias koj tsis siv cov SVG hauv koj qhov web site tsim ua haujlwm, ntawm no yog qee qhov laj thawj yog vim li cas koj yuav tsum pib ua li ntawd, nrog rau cov sij hawm rov qab koj siv tau rau cov laus dua uas tsis txhawb cov ntaub ntawv no.
Daws teeb meem
Qhov txiaj ntsim biggest ntawm SVG yog kev ywj pheej kev txiav txim siab. Vim hais tias SVG cov ntaub ntawv yog vector graphics siv pixel-raws li raster dluab, lawv yuav ua resized tsis poob ntawm cov duab zoo. Qhov no pab tau tshwj xeeb tshaj yog thaum koj tab tom tsim cov tsev kawm ntawv uas yuav tsum tau saib xyuas zoo thiab ua haujlwm zoo nyob hauv ntau qhov ntau thiab tsawg dua .
SVG cov ntaub ntawv yuav ua tau scaled nce los yog yuav nqis kom haum raws li qhov hloov me me thiab kev xav tau ntawm koj lub website thiab koj tsis tas yuav txhawj txog cov neeg uas tau ua zoo zoo li cov kauj ruam ntawm txoj kev.
Cov Ntaub Ntawv Loj
Ib qho ntawm cov kev sib tw nrog siv raster dluab (JPG, PNG, GIF) rau cov websites teb yog cov ntaub ntawv loj ntawm cov dluab. Vim hais tias raster dluab tsis scale txoj kev uas vector sawv daws yuav ua, koj yuav tsum xa koj cov dluab pixel ntawm qhov loj tshaj plaws uas lawv yuav tsum tau tso tawm kom pom. Qhov no yog vim koj tuaj yeem ua tus duab me thiab khaws nws zoo, tiam sis tsis zoo ib yam rau kev ua duab loj. Qhov kawg tshwm sim yog tias koj feem ntau muaj cov duab uas loj tshaj qhov lawv tau pom ntawm tus neeg lub vijtsam, uas txhais tau hais tias lawv tsis tas yuav raug yuam mus download tau cov ntaub ntawv loj heev.
SVG addresses no kev sib tw. Vim hais tias cov vector graphics yog scalable, koj muaj peev xwm muaj cov ntaub ntawv me me heev txawm tias loj npaum li cas cov dluab yuav tsum tau muab tso tawm. Qhov no yuav kawg muaj kev cuam tshuam rau lub site qhov kev kawm tag nrho thiab download tau ceev.
CSS Styling
SVG code kuj yuav muab ntxiv rau cov HTML ntawm nplooj ntawv. Qhov no yog hu ua "inline SVG." Ib qho ntawm cov kev pab cuam uas siv inline SVG yog tias txij li cov graphics yeej tau kos los ntawm qhov browser raws li koj cov cai, tsis tas yuav ua ib daim ntawv thov HTTP mus nqa ib daim ntawv duab. Lwm cov kev pab yog tias inline SVG yuav styled nrog CSS.
Xav hloov cov xim ntawm SVG icon? Siv tsis xav qhib qhov duab rau hauv ib yam ntawm kev kho software thiab export thiab upload cov ntaub ntawv dua, koj tuaj yeem hloov cov ntaub ntawv SVG nrog ob peb kab ntawm CSS.
Koj tseem tuaj yeem siv lwm hom CSS rau SVG graphics hloov lawv ntawm xeev yuj los yog rau tej yam kev xav tau. Koj tuaj yeem txav cov duab ntxiv kom ntxiv tau qee lub zog thiab ua ke nrog cov nplooj ntawv.
Animations
Vim hais tias inline SVG cov ntaub ntawv yuav styled nrog CSS, koj siv tau cov CSS animations rau lawv thiab. CSS hloov thiab kev hloov yog ob txoj kev yooj yim ntxiv rau qee lub neej rau SVG cov ntaub ntawv. Koj tuaj yeem tau txais txiaj ntsim zoo li Flash zoo li nyob rau nplooj ntawv uas tsis tau succumbing rau kev downsides uas tuaj nrog siv Flash rau cov websites hnub no.
Siv ntawm SVG
Li li SVG li, cov graphics no yuav hloov tsis tau txhua daim duab uas koj siv rau hauv koj lub vev xaib. Cov duab uas yuav tsum tau sib sib zog nqus xim tob yuav tseem yuav tsum tau JPG lossis kab lus PNG, tiam sis cov duab yooj yim li icons yog zoo tsim nyog rau kev ua tiav raws li SVG.
SVG tuaj yeem tsim nyog rau ntau cov duab kos, xws li cov tuam txhab logos lossis cov kab kos thiab kab kos. Tag nrho cov duab yuav tau txais txiaj ntsig los ntawm scalable, tau styled nrog CSS, thiab lwm yam zoo uas tau teev tseg hauv tsab xov xwm no.
Kev them nyiaj yug rau cov laus Browsers
Tam sim no kev them nyiaj yug rau SVG yog zoo heev nyob rau hauv lub web browsers niaj hnub. Qhov tsuas yog browsers uas yeej tsis txhawb rau cov graphics yog cov laus versions ntawm Internet Explorer (Version 8 thiab hauv qab) thiab ob peb xyoos versions ntawm Android. Tag nrho rau hauv tag nrho, ib feem pua me me ntawm cov neeg siv browsing tseem siv cov browsers, thiab tus lej ntawd tseem pheej ntsws. Qhov no txhais tau hais tias SVG siv tau zoo nkauj zoo rau cov websites hnub no.
Yog hais tias koj xav muab lub fallback rau SVG, koj tuaj yeem siv lub cuab tam xws li Grumpicon los ntawm Filament Group. Qhov chaw no yuav siv koj cov ntaub ntawv SVG thiab tsim PNG cov sij hawm rov qab rau cov laus dua browsers.
Edited by Jeremy Girard rau 1/27/17