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Dictionary and Thesaurus entries for:postscriptYour search results...
From The Free On-line Dictionary of Computing: (http://www.foldoc.org/, Editor Denis Howe) PostScript is an interpreted, stack-based language (like FORTH). It was used as a page description language by the Apple LaserWriter, and now many laser printers and on-screen graphics systems. Its primary application is to describe the appearance of text, graphical shapes, and sampled images on printed or displayed pages. A program in PostScript can communicate a document description from a composition system to a printing system in a device-independent way. PostScript is an unusually powerful printer language because it is a full programming language, rather than a series of low-level escape sequences. (In this it parallels Emacs, which exploited a similar insight about editing tasks). It is also noteworthy for implementing on-the fly rasterisation, from Bezier curve descriptions, of high-quality fonts at low (e.g. 300 dpi) resolution (it was formerly believed that hand-tuned bitmap fonts were required for this task). PostScript's combination of technical merits and widespread availability made it the language of choice for graphical output until PDF appeared. The Postscript point, 1/72 inch, is slightly different from other point units. An introduction . ["PostScript Language Reference Manual" ("The Red Book"), Adobe Systems, A-W 1985]. [Jargon File] (2002-03-11) |
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