Muaj ntau ntau hom xim uas ua rau feem ntau ntawm cov ntawv xaiv hnub no. Qhov peb lub ntsiab hom yog OpenType fonts, TrueType fonts, thiab Postscript (los yog Hom 1) fonts.
Cov nraaj tsim qauv yuav tsum paub txog hom xim uas lawv siv vim yog cov teeb meem sib xws. OpenType thiab TrueType yog platform ywj pheej, tab sis Postscript tsis yog. Piv txwv li, yog tias koj tsim ib daim ntawv luam tawm uas cia siab rau qhov qub Postscript font, koj lub tshuab luam ntawv yuav tsum muaj tib lub operating system (Mac los yog Windows) thiaj li yuav nyeem tau cov font kom raug.
Nrog array ntawm fonts muaj hnub no, nws 's heev tias koj yuav tsum xa koj cov ntaub ntawv font rau lub tshuab luam ntawv nrog rau koj cov ntaub ntawv yog ib qhov. Qhov no yog ib qho tseem ceeb hauv cov txheej txheem tsim los xyuas kom koj tau txais raws nraim li koj tsim.
Cia peb sim saib peb hom fonts thiab seb lawv piv rau ib leeg.
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OpenType Font
OpenType fonts yog tam sim no tus qauv hauv fonts. Hauv OpenType font , ob qho tib si lub vijtsam thiab lub tshuab luam ntawv font yog muaj nyob rau hauv ib cov ntaub ntawv (zoo li TrueType fonts).
Lawv kuj tso cai rau ib qho cim loj loj uas muaj peev xwm tshaj 65,000 glyphs. Qhov no txhais tau hais tias cov ntaub ntawv tsuas muaj peev xwm muaj cov cim ntxiv, cov lus, thiab cov duab uas yav tas los tau muab tso tawm ua lwm cov ntaub ntawv. Ntau OpenType font ntaub ntawv (tshwj xeeb tshaj yog los ntawm Adobe OpenType Library) kuj muaj qhov loj me me xws li lub npe, lub npe, cov npe, thiab cov khoom.
Cov ntaub ntawv maximizes compression, tsim lub me me ntaub ntawv loj dua li tag nrho cov ntaub ntawv ntxiv.
Tsis tas li ntawd, cov OpenType font ntaub ntawv tsuas tau tshaj ob qho rai thiab Mac. Cov nta ua OpenType fonts yooj yim los tswj thiab faib.
OpenType fonts tau tsim los ntawm Adobe thiab Microsoft, thiab tam sim no yog hom ntawv hom font muaj. Txawm li cas los, TrueType fonts tseem siv dav.
Cov ntaub ntawv Extension: .otf (muaj cov ntaub ntawv postscript). Kuj tseem muaj qhov extension .ttf yog tias tus font yog tawm ntawm TrueType font.
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TrueType Font
Ib tug TrueType font yog ib cov ntaub ntawv uas muaj ob qho tib si rau lub vijtsam thiab kev luam ntawv ntawm ib hom ntawv. TrueType fonts ua li feem ntau ntawm cov fonts uas tuaj tau ntsia ntawm Windows thiab Mac operating systems rau xyoo.
Tsim ob peb xyoos tom qab PostScript fonts, TrueType fonts yog yooj yim rau kev tswj vim tias lawv yog ib cov ntaub ntawv. TrueType fonts pub rau siab kawg hinting, ib txoj kev uas txiav txim seb cov pixels muaj tso tawm kom pom. Yog li ntawd, qhov no ua tau zoo dua font zaub ntawm txhua qhov ntau thiab tsawg.
TrueType fonts tau Ameslikas tsim los ntawm Kua thiab tom qab ntawv tso cai rau Microsoft, ua lawv txoj kev lag luam.
Cov Ntaub Ntawv Extension: .ttf
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PostScript Font
Lub PostScript font, kuj yog hu ua Type 1 font, muaj ob ntu. Ib feem muaj cov ntaub ntawv los tso saib cov font ntawm kev tshuaj ntsuam thiab lwm qhov yog rau kev luam tawm. Thaum PostScript fonts xa mus rau cov luam ntawv, ob lub versions (sau thiab npo) yuav tsum tau muab.
PostScript fonts pub rau high-quality, high-resolution printing. Lawv tuaj yeem muaj 256 glyphs, tau tsim los ntawm Adobe, thiab tau ntev ntev los xav txog tus kws tshaj lij kev xaiv rau kev luam ntawv. Cov ntaub ntawv PostScript font tsis yog kev sibtshuam sibtshuam sib txawv, lub ntsiab lus tseem ceeb muaj nyob rau Mac thiab PC.
PostScript fonts muaj dav tau hloov, ua ntej los ntawm TrueType thiab ces los ntawm OpenType fonts. Thaum TrueType fonts ua haujlwm zoo alongside PostScript (nrog TrueType txiav txim qhov kev tshuaj ntsuam thiab PostScript txiav txim siab sau), OpenType fonts ua ke ntau ntawm cov yam ntxwv zoo tshaj plaws ntawm ob qho tib si thiab tau ua hom ua qauv.
Nws yog ua tau los hloov cov Postscript ntau ntau rau OpenType yog tsim nyog.
Cov ntaub ntawv Extension: Ob cov ntaub ntawv xav tau.
- Rau ntawm qhov rais, .pfb (Tshuab Luam Ntawv Txuas Xov Tooj, qhov tseeb daim qauv qhia ntawv) thiab .pfm (Luam Tsab Ntawv Txawj Metrics, cov ntaub ntawv metric xws li kerning).
- Rau Mac, .lwfn (font qauv) thiab .ffil (font phom).
- Rau Linux, .pfa (font ntawv) thiab .afm (ntsuas).