Steve Jobs, the co-founder of Apple who also founded NeXT, was an early adopter of Adobe PostScript, which was adapted into Display PostScript for the imaging technology of the NeXTSTEP operating system. However, Mac OS X (the successor to NeXTSTEP) replaced Display PostScript with PDF for its Quartz 2D framework to avoid licensing costs. Apple has since extended the use of PDF-based imaging to its Core Graphics framework, which is also used in its mobile operating systems, such as iOS and iPadOS.
Quartz 2D is based on Adobe Systems' implementation of PDF 1.4. Graphics functions which don't require advanced features (such as graphics embedding) will fall back to PDF 1.3 for improved performance.
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- Why does coregraphics support PDF and why is the format so pivotal to Apple? by Novellizator, Stack Overflow. 2018-04-14.
- Graphics & Imaging Overview, Apple Developer Connection. 2004-09-08. Archived 2004-09-17.
- Why does Preview save as PDF version 1.3 instead of version 1.7 sometimes? by Lance000, Apple Communities. 2013-12-04.
- Speed up PDF viewing in Preview, Macworld | Mac OS X Hints. 2009-03-17.
- Quartz at Apple Computer (archived 2003-12-07)
- Quartz at the Apple Wiki
- Quartz (graphics layer) at Wikipedia
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