Display PostScript: Difference between revisions

Revision as of 12:02, 10 July 2002

Revision as of 12:03, 10 July 2002

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*interaction support: a number of proceedures were defined to handle interaction, including hit detection

*halftone phase: [[halftoneshalftone]]s need to be matched to the device they are printed on in order to avoid [[moire patternspattern]]s. Since the display can be changed on the fly, DPS added the ability for the device to change the halftoning.

*incremental update: in printing applications the PS code is interpreted until it gets a ''showpage'' at which point it is actually printed out. This is not suitable for a display situtuation where you need a large number of minor updates all the time.