PostScript Level 3

Contents

PostScript Level 3 is a page description language implementation introduced by Adobe Systems in 1997 as an upgrade to earlier PostScript interpreters. It extended the capabilities used by printers and imaging devices from vendors such as Hewlett-Packard, Xerox, Apple Inc., and Canon Inc. while interacting with desktop publishing tools like QuarkXPress, Adobe InDesign, Aldus PageMaker, and CorelDRAW. The specification influenced raster image processors developed by companies including Agfa-Gevaert, Eastman Kodak Company, FujiFilm, and Ricoh.

History and Development

PostScript Level 3 evolved from the original PostScript era dominated by Adobe Systems innovations and collaborations with hardware firms such as Hewlett-Packard, Xerox, Canon Inc., Xerox PARC, and Linotype-Hell. Development occurred alongside desktop publishing milestones involving Apple Inc. and the Aldus Corporation during the 1980s and 1990s, and during transitions in publishing workflows used at organizations like The New York Times, The Washington Post, The Los Angeles Times, The Guardian, and The Times (London). Work on Level 3 reflected advances relevant to standards bodies and consortia such as the IEEE and the ISO, and paralleled developments in competing formats from entities like Microsoft Corporation and SGI. Engineers with ties to Adobe Systems collaborated with partners including Agfa-Gevaert, Kodak, FujiFilm, Ricoh, Seiko Epson Corporation, and Canon Inc. to address workflow demands from publishers like Condé Nast, Time Inc., Hearst Communications, and Reed Elsevier.

Level 3 added operators and semantics that supported complex page descriptions used by software from Adobe Systems and others such as Macromedia and Corel Corporation. The language enhancements accommodated color management workflows influenced by profiles from International Color Consortium and interactions with technologies by Apple Inc. ColorSync, and imaging models used in products by Agfa-Gevaert and Kodak. New features targeted printing workflows at companies like Xerox and Hewlett-Packard and integration with typesetting systems such as Monotype Imaging and Linotype GmbH. The specification refined rasterization control and added constructs that benefited applications like Adobe Photoshop, Adobe Illustrator, QuarkXPress, and Aldus PageMaker.

Improvements in Level 3 addressed high-fidelity imaging demands from prooFing and press facilities operated by organizations like Penton Media and Gannett Company. Graphics capabilities supported complex shading, halftoning, and color separations used in workflows by Pantone, X-Rite, and PANTONE LLC; these complemented color management systems such as ColorSync and profiles from the International Color Consortium. Device-level interactions involved printers from Seiko Epson Corporation, Canon Inc., Ricoh, Konica Minolta, and Brother Industries. Level 3's imaging enhancements served graphic design work for agencies such as Ogilvy & Mather and WPP plc and print houses like RR Donnelley and Quad/Graphics.

Level 3 targeted improved raster image processor performance relevant to hardware platforms produced by Intel Corporation, Advanced Micro Devices, Motorola, and ARM Limited used in controllers from Xerox and Hewlett-Packard. Compatibility considerations affected software toolchains from Adobe Systems, Corel Corporation, Microsoft Corporation, and Apple Inc., and printing ecosystems utilized by IBM data centers and service bureaus such as Pitney Bowes and Canon Solutions America. Level 3 enhancements influenced printer firmware projects at Seiko Epson Corporation, Ricoh, Konica Minolta, and Kyocera Document Solutions to accelerate rendering and manage memory in devices deployed at media companies like Hearst Communications and Time Inc..

Implementations of Level 3 were embedded in RIPs and printers from vendors such as Hewlett-Packard, Xerox, Canon Inc., Ricoh, Seiko Epson Corporation, Konica Minolta, and Océ; RIP software products were produced by firms including Harlequin Ltd., Global Graphics, and Agfa-Gevaert. Software that generated or consumed Level 3 output included Adobe Acrobat, Adobe Illustrator, Adobe Photoshop, QuarkXPress, and CorelDRAW Graphics Suite. Print service providers like RR Donnelley, Quad/Graphics, Cimpress, and EFI integrated Level 3-capable devices into workflows alongside color measurement tools from X-Rite and Techkon. Educational institutions such as Massachusetts Institute of Technology, Stanford University, Princeton University, and University of Cambridge used Level 3 in research and teaching on digital typography and imaging.

The reception of Level 3 reflected its adoption across industry players including Adobe Systems, Hewlett-Packard, Xerox, Canon Inc., Ricoh, Seiko Epson Corporation, and Agfa-Gevaert; it influenced successors and standards debated in forums attended by IEEE, ISO, and members of the International Color Consortium. Legacy impacts carried forward into modern raster image processors used by companies like Global Graphics, Harlequin Ltd., and EFI, and into workflows at publishers including The New York Times, The Guardian, Condé Nast, and Hearst Communications. Scholarly and technical communities at institutions such as Massachusetts Institute of Technology, Stanford University, University of Oxford, and University of Cambridge have studied its role in the development of digital printing technologies.

Category:Page description languages