Data processing system including method and apparatus for perfor

Details Data processing system including method and apparatus for perfor Data processing system including method and apparatus for perfor

1995-02-09

1999-12-21

dela Torre, Crescelle N.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

345434, 345113, 345118, G06F 314

Patent

active

06005574&

ABSTRACT:
A list of graphics orders defining the graphics objects to be displayed is processed to generate a list of modified graphics orders representing those portions of the graphics objects not overlaid by an overlapping area. The mechanisms for clipping to the inside of a bounded area are adapted to determine what portion of an area of graphics lies outside a bounded area. The invention includes techniques for dealing with graphics in the form of lines, areas bounded by lines, and images including arrays of picture elements or symbol set characters.

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