A font-embedding/replacement system to allow fonts to travel with the documents. The PDF combines three technologies: A subset of the PostScript page description programming language, for generating the layout and graphics. Early versions of the AI file format are true EPS files with a restricted, compact syntax, with additional semantics represented by Illustrator-specific DSC comments that conform to DSC's Open Structuring Conventions. The same "dual path" approach as for PGF is used when saving EPS-compatible files in recent versions of Illustrator. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.
CONVERT PDF TO VECTOR FILE PORTABLE
The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. PDF compatibility is achieved by embedding a complete copy of the PGF data within the saved PDF format file.
The AI file format was originally a native format called PGF. ai filename extension is used by Adobe Illustrator. Application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdfĪdobe Illustrator Artwork (AI) is a proprietary file format developed by Adobe Systems for representing single-page vector-based drawings in either the EPS or PDF formats.
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