SVG Amathuluzi

Tshintsha SVG kuya futhi kusuka kumafomethi ahlukahlukene

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Mayelana SVG

Amafayela e-SVG aqukethe ihluzo zevektha ezikhula kahle kunoma yimuphi usayizi ngaphandle kokulahlekelwa ikhwalithi.

Ukusetshenziswa Okuvamile

Ukudala ama-logo nezithonjana ezingandiswa
Ama-web graphics alinganiselwa kunoma iyiphi iskrini
Imifanekiso yevektha elungele ukuphrinta

SVG Ukushintsha

Yini ihele SVG?

SVG (Izithombe ze-Scalable Vector) yisithombe se-XML-based vector sohlobo lwezithombe ezi-bi-dimensional.

Yini eshintsha uma ngiguqula SVG ibe yifomethi ye-pixel?

Ukulungiswa kuyeka ukuba mahhala. A SVG igcina amafomu njengendlela ye-matematics, ngakho ibonisa ngokucacile nganoma yisiphi isilinganiso kusuka ku-favicon kuya ku-billboard. Ukukhishwa kuma-pixels kucindezela kusinye isilinganiso esikhethiwe - okukhulu kunalokho odingayo kulahlekile, okuncane akubuyiselwa. Qaphela izilinganiso zesingeniso ngaphambi kokushintsha, futhi gcina i-SVG njenge master ophinde uyingenise kusuka kuyo. I-SVG ibonisa kahle nganoma yisiphi isibalo, ihlala ihleliwe, itholakale futhi ihlukaniswe njengetekisi elijwayelekile, futhi ivame ukuba yingxenye yesimo se-PNG.

Yini ekwenzeke kumbhalo ku SVG uma ushintsha ube yi-pixels?

Kuyeka ukuba ngumbhalo. Ku-original ama-letters ayizintandokazi kuhlobo lwefonti olubizwa ngegama — okukhethayo, okutholakele, okwazi ukuhlela; ngemuva kokwenza i-rasterization ziyizimo eziyenziwe nge-pixels njengezinye izinto. Okubalulekile kabili: isithombe esithunyelwe ngaphandle asikho esikwazi ukusesha noma ukulungisa, futhi sizobonisa ngefomethi eguqulwe uma imishini eyenza ukuguqulwa ingekho i-original. Gcina uhlobo ku-outlines kuqala lapho i-typography idinga ukuba ilungile.

Kungani amathuluzi amasha abuyela emuva SVG?

Ngenxa yokuthi ifakwe ukwenziwa umsebenzi kuyo kunesihlukaniso. Ifomethi igcina ubuhle nesakhiwo ngokuvula okuphindiwe, ukuhlela nokulondoloza kabusha, okuwukuthi okudingayo ukukhishwa kwepayipi kanye nohlobo lokudlulisa olucacile lokuhweba. Imiphumela iyizici: gcina SVG njenge master futhi uguqule ikhophi kunoma ubani odinga ukubheka.

Ingabe i-SVG igcina isizinda esicacile?

Yebo - ifomu ligcina i-alpha channel engokoqobo, ngakho-ke ukucisha izithonjana, izithako ezibomvu kanye nezibopho zigcina ukubukeka kwazo ngaphandle kokufika ku-rectangle emhlophe. Ukushintsha kufomethi ngaphandle kwe-alpha kuyilapho kudlula khona okungalungile: izindawo ezibonakalayo zigcwele umbala oqinile, ngokuvamile omnyama noma obomvu, futhi akukho indlela yokubuyela emuva encane yokufihla isithako futhi.

Ingabe ngingenza isithombe sibe SVG?

Ungalandelela enye, engeke ibe yilokho okufanayo. Ifayela le-vector lichaza izithombe, futhi isithombe siyindawo yobuhlakani ngaphandle kwezithombe, ngakho-ke ukulandela ngokuzenzakalela kubuyisela noma isithombe esincane esincane sesithombe esiyinhloko noma isithombe esiqukethe amakhilomitha ambalwa wendlela encane futhi ehamba kancane kunesithombe. Amalogo, amaphawu nama-line art alandelela kahle. Izithombe zikhona kwifomethi ye-raster futhi zihlala khona. I-SVG ayikwazi ukukhombisa isithombe - ukulandelela okuthile kwenza noma ukulinganiselwa okuncane noma ifayela elikhulu kunalo raster yakuqala.

Ingabe ngisebenzisa SVG ngokuqondile kwikhasi le-web?

Yebo — wonke umsakazi okhona uyenza ngokusemthethweni, ngakho-ke adinga ikhophi engekho futhi adinga ukuguquka ngesikhathi sokushicilela. Imibuzo ekhona isisindo ngaphezu kokuxhasa: isithombe esifanayo kwifomethi yewebhu yamanje sivame ukuba isithathu sobukhulu ngekhwalithi ebonakalayo efanayo, okudinga ukukwenziwa nganoma yini ebonakala phezulu kwe-fold.

Ubani olawula i SVG?

Akukho muntu, futhi lokho kuyinto ebalulekile. Ulwazi oluthile luyimfihlo, umuntu angalisebenzisa ngaphandle kokubuza noma ukukhokha, futhi akukho nkampani engakwazi ukushintsha izimo ngemuva - ngakho-ke amafayela, amaqembu ajwayelekile namaqembu asemthethweni achaza amafomethi afana nalesi sinye sezinto ezikhona ezizovula eminyakeni eyisithupha. Ukuthengiswa akulona ukuhambisana, okulungile; kuyilapho akukho umhlinzeki odinga ukuwabiza uma ezinye izithuluzi zisebenzisa i-spec kahle. I-SVG iyifomethi ye-W3C XML-based vector, isinqumo kusukela ngo-2001 futhi manje ikhona kunoma iyiphi i-browser.

Ingabe ngingenza ngiphinde ngibize isiqephu endaweni yokushintsha SVG?

Kunzima kakhulu, futhi kufanelekile ukuqonda ukuthi kungani: isithonjana siyisihloko, ngenkathi ama-bytes ngaphakathi kufakwe ngefomethi eyodwa ekhethekile. Ukushintsha igama kwenza ihele igama lakhe lithembisa okuthile okuqukethwe kwayo akusho ukunikela, futhi noma yini evula ihele noma liyiphoqa noma liyifunda kabi. Ukuphela kwephutha elincane yifomethi ezimbili ezikhona ngokusemthethweni ibhokisi elifanayo ngaphansi kwezinhlamvu ezahlukene — futhi ngisho lapho ukuphinda ubhale kahle kuphephile kunalokho ukushintsha igama.

Ingabe ngiguqula isibaya esigcwele se SVG amafayela ngasikhathi sinye?

Nge-akhawunti, yebo — khiphana ndawonye futhi zibekwe njengemisebenzi eyodwa endaweni yokuphathwa ngayinye ngasikhathi sinye, ngezinhlelo ezifanayo ezisetshenziswa ngaphesheya kweqembu futhi izimpendulo zibuyiselwe ndawonye. Ukuguquka okumahhala kusebenza ihele elilodwa ngasikhathi sinye (amathuluzi okuxhuma athatha amabini); i-plan ekhokhelwa yilokho okuvulela ukuqhubekeka kweqembu kanye nobukhulu bomgwaqo wefayela ngalinye, okukwenza ukuguquka kwehele lonke lisebenze.

Yini ezoba nehele lami SVG ngemuva kokuguqulwa?

Kususwa. Ukulayisha kanye nemiphumela eguqulwe zombili zihlala kumhlinzeki kuphela uma umsebenzi ufuna futhi zisuswa ngokuzenzakalela; ukudluliswa kuhamba nge HTTPS emigwaqweni emibini. Akukho muntu ofunda okuqukethwe, akukho okuhlobene, futhi akukho okudluliswa kunoma ubani. Uma ufuna ukuyeka ukulindela ukuhlanzwa okuzenzakalelayo, ukuvala umsebenzi kuzosusa amafayela ngokushesha.

Ingabe ukuguqula i-SVG kuzothatha isikhathi esingakanani?

Ngokuvamile amasekondi. Amafayela amancane asebenza ngokushesha, futhi izimo ezithatha isikhathi esingokoqobo ziyizinto ezisebenza umsebenzi ongokoqobo: ukurekhodwa okude okudinga ukuphinde kwenziwe ukukopela ifreyimu ngefreyimu, idokhumende elihlolwe lihamba nge-character recognition, noma iqembu elikhulu kakhulu. lapho ukuguqulwa kuphinde kuhlanganise idatha ekhona ihlala ngokushesha kungakhathaliseki ukuthi ihele likhulu kangakanani, ngoba akukho okuzosuswa.