Tsim tawm los ntawm tsev av hauv xyoo 1984, cov lus piav qhia ua lus pom zoo raws li PostScript yog tus neeg koom nrog yav dhau los ntawm keeb kwm ntawm desktop publishing . PostScript , Mac, Apple lub LaserWriter luam ntawv thiab PageMaker software ntawm Aldus tau raug tso tawm rau tib lub sijhawm. Keeb kwm thawj hom lus tsim los luam cov ntawv luam ntawm laser printers, Postscript tau txais sai sai tsim tsim cov ntaub ntawv pov thawj rau cov dluab siv los ntawm cov luam ntawv luam tawm.
Adobe PostScript (Theem 1)
Thawj cov lus, yog hom lus hu ua Adobe PostScript. Theem 1 tau muab tso rau thaum Qib 2 tau tshaj tawm. Los ntawm cov qauv txheej txheem niaj hnub no, cov khoom tau tawm hauv cov txheej txheem yog txheej thaum ub, tab sis tsuas yog raws li cov tshiab versions ntawm software muaj cov tshiab nta tsis muaj nyob rau yav dhau los, tom qab PostScript qib ntxiv txhawb rau cov tshiab nta.
Adobe PostScript Theem 2
Tso tawm hauv xyoo 1991, PostScript Theem 2 tau zoo dua thiab kev cia siab rau nws tus thawj ntawm. Nws ntxiv kev them nyiaj yug rau qhov ntau thiab tsawg phab ntawv, cov ntawv sau sib txuas, kev sib cais thiab cov xim zoo dua. Dua li ntawm txoj kev txhim kho, nws tau qeeb los txais yuav.
Adobe PostScript 3
Adobe tau tshem tawm qhov "Theem" los ntawm lub npe ntawm PostScript 3, uas tau tso tawm rau 1997. Nws muab cov kev tso zis zoo thiab zoo dua tuav tuav dua yav dhau los. PostScript 3 txhawb cov duab kos duab, ntau cov ntawv sau, thiab ceev txog kev luam ntawv. Muaj ntau tshaj 256 grey theem ntawm cov xim, PostScript 3 los ua banding los ua tus tshaj plaws ntawm yav dhau los. Internet functionality twb pib tab sis tsuj tsawg siv.
Dab tsi txog PostScript 4?
Raws li Adobe, tsis muaj ib qho PostScript 4. PDF yog lub cim ntxiv mus ua luam tshuab tam sim no nquag los ntawm cov kws tshaj lij thiab tsev luam ntawv. PDF tau siv cov qauv ntawm PostScript 3 thiab nthuav lawv nrog chaw zoo xim tuav, ceev algorithms rau cov qauv rendering, thiab pobzeb ua haujlwm sib luag, uas dramatically txo lub sij hawm uas yuav tsum tau ua cov ntaub ntawv.
Hauv cov nqe lus ntawm kev luam duab, PostScript qib siv los tsim cov ntaub ntawv PostScript thiab PDF yog ib tus tub nyob ntawm PostScript theem uas txhawb los ntawm lub tshuab luam ntawv thiab tus neeg tsav tsheb lub tshuab luam ntawv. Cov laus luam ntawv tsav tsheb thiab cov tshuab luam ntawv tsis tuaj yeem txhais tau qee cov nta pom hauv PostScript Qib 3, piv txwv. Txawm li cas los, tam sim no uas PostScript 3 tau tawm rau 20 xyoo lawm, nws tsis tshua pom muaj lub tshuab luam ntawv lossis lwm cov khoom tso tawm uas tsis sib xws.