Advanced graphics controls

Details Advanced graphics controls Advanced graphics controls

1996-09-25

1999-03-16

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

345473, 345977, G06T 1100

Patent

active

058836276

ABSTRACT:
A graphics control for an interactive user interface includes a plurality of individually specified graphics components. Each graphics component has non-transparent portions and potentially also has transparent portions. In one embodiment, the graphics components include a background component, a face component, a frame component, and a focus component. The components are overlaid on each other from bottom to top, creating a layered effect. The face component is selectable by the user input to perform an action, and selecting the face component changes the appearance of the face component. Other than the background component, the components each are constructed of a texture bitmap and one or more luminance bitmaps. The texture bitmaps are tiled to conserve memory and data bandwidth. The luminance bitmaps can be supplied in a small size, and scaled using a special tiling technique.

REFERENCES:
patent: 4615013 (1986-09-01), Yan et al.
patent: 5557684 (1996-09-01), Wang et al.
patent: 5592605 (1997-01-01), Asuma et al.

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