PostScript Language Reference (3rd Edition)

The PostScript language is widely recognized as the industry standard for page description. Incorporated into a broad range of printers, imagesetters, and computer displays, PostScript describes exactly how text, sampled images, and graphics will appear on a printed page or on a computer screen. The PostScript Language Reference, known as the Red Book, is the complete and authoritative reference manual for the PostScript language. Prepared by Adobe Systems Incorporated, the creators and stewards of the PostScript standard, it documents the syntax and semantics of the language, the Adobe imaging model, and the effects of the graphics operators. This Third Edition has been updated to include LanguageLevel 3 extensions, which unify a number of previous extensions and introduce many new features, such as high-fidelity color, support for masked images, and smooth shading capabilities. Book Highlights: *Explains fundamentals of the PostScript language, graphics, fonts, device control, and rendering *Organizes all PostScript operators through LanguageLevel 3, both by function and alphabetically *Describes operands, results, side effects, and possible errors for each operator *Appendices i Programmers who specialize in PostScript, the page-description language, now have a newly updated reference guide for LanguageLevel 3. PostScript® Language Reference starts off with a bit of history on the language and an overview of the new version. It goes on to cover basic topics such as raster output devices, scan conversion, and page-description languages in general. PostScript® Language Reference provides an overview of how to use the PostScript interpreter and understand the ideal structure of PostScript page descriptions. The book covers the heart of the language, including syntax, data types and objects, stacks, execution, basic operators, memory management, file input/output (I/O), functions, errors, and filtered-files and binary-encoding details. Subsequent chapters cover graphics, fonts, device control, rendering, and operators. The appendices include a LanguageLevel feature summary, implementation limits, interpreter parameters, compatibility issues, character sets, encoding vectors, system-name encodings, and operator-usage guidelines. There's also a bibliography with additional reading recommendations. --Kathleen Caster

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