Screen display processing apparatus, screen display...

Details Screen display processing apparatus, screen display... Screen display processing apparatus, screen display...

2005-07-05

2005-07-05

Tung, Kee M. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Plural storage devices

C345S556000, C715S766000

Reexamination Certificate

active

06914608

ABSTRACT:
In order to efficiently conduct the display processing of a GUI screen by suppressing the drawing of unnecessary objects, the objects are, first, searched from the front toward the rear according to a reverse painter's algorithm while tracing a z-order for processing the drawing. In this step, flags necessary for the drawing may be raised instead of drawing the objects, and a z-buffer needs not be provided. The objects can be really drawn from the rear toward the front according to a painter's algorithm.

REFERENCES:
patent: 5850232 (1998-12-01), Engstrom et al.
patent: 6075543 (2000-06-01), Akeley
patent: 6542154 (2003-04-01), Knittel

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