Display PostScript: Difference between revisions

Revision as of 05:47, 10 July 2002

Revision as of 05:48, 10 July 2002

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DPS did not, however, add a windowing system. That was left to the implementation to provide, and DPS was meant to be used in conjunction with an existing windowing engine. This was often the [[X Window System]], and in this form Display PostScript was later adopted by companies such as [[IBM]] and [[SGI]] for their workstations.

On the NeXT system a completely new windowing engine was written, to take full advantage of their [[object-based oriented]] [[operating system]]. The windowing system itself used PostScript to draw items like titlebars and scrollers. This, in turn, made extensive use of pswraps, which were in turn wrapped in objects and presented to the programmer in object form.