And it allowed for cool graphics effects like custom strokes and fills.
So that primarily matters for stuff you want to print. It wouldn't matter as much for assembling a UI.
How does windows handle this stuff?
Windows uses (used?) WMF and pixels for on-screen display which would then either be used for printout via some conversion process, or a parallel construction would be maintained for output and the need to keep that in synch would often result in slight differences in output --- maybe there were other approaches.
One of the neat things in Display PostScript was one could use Interface Builder to add a print button to any window to get the underlying PS code.
SimCity, Cellular Automata, and Happy Tool for HyperLook (nee HyperNeWS (nee GoodNeWS))
HyperLook was like HyperCard for NeWS, with PostScript graphics and scripting plus networking. Here are three unique and wacky examples that plug together to show what HyperNeWS was all about, and where we could go in the future!
https://donhopkins.medium.com/hyperlook-nee-hypernews-nee-go...
HyperLook SimCity Demo Transcript
This is a transcript of a video taped demonstration of SimCity on HyperLook in NeWS.
https://donhopkins.medium.com/hyperlook-simcity-demo-transcr...
Discussion with Alan Kay about HyperLook and NeWS:
Alan Kay on “Should web browsers have stuck to being document viewers?” and a discussion of Smalltalk, HyperCard, NeWS, and HyperLook
https://donhopkins.medium.com/alan-kay-on-should-web-browser...