![]() Therefore, the entire PostScript world (fonts, layout, measurements) remains intact. Then, everything is compressed to a single file. Any files, graphics, or fonts to which the document refers also are collected. The graphics commands that are output by the PostScript code are collected and tokenized. Historically, the PostScript-like PDF code is generated from a source PostScript file. PDF is largely based on PostScript but simplified to remove flow control features like these, while graphics commands equivalent to lineto remain. It can handle graphics and standard features of programming languages such as if statements and loop commands. ![]() PostScript is a page description language run in an interpreter to generate an image, a process requiring many resources.
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