Display PostScript: Difference between revisions

Revision as of 11:49, 25 July 2002

Revision as of 11:49, 25 July 2002

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

*''halftone phase'': [[halftone]]s need to be matched to the device they are printed on in order to avoid [[moiremoiré pattern]]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 <code>showpage</code> 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.