Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1995-08-18
1998-06-30
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
345502, 345520, G06F 15163
Patent
active
057747202
ABSTRACT:
A graphics management system resident in a computer operating system provides a generic graphics interface which allows application programs written to operate with various specific graphical user interfaces, to operate on a non-native graphical user interface. The graphics management system includes a common graphical user interface (GUI) which receives graphics related application programming interface (API) calls from the application programs, and transforms the various types of graphics API calls native to a particular GUI, into a generic format compatible with a personality neutral graphics engine. The personality neutral calls are then passed from the CGUI to the personality neutral graphics engine which services the calls, and controls the drawing of lines, circles and other drawing tasks for each of the windows presented on the display. The present invention allows users to "port" application programs written for one GUI, to a computer system operating a different GUI.
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Borgendale Kenneth W.
Holland Ian Michael
Lawrence Kelvin Roberick
Powell Colin Victor
Verburg Richard Lee
Caldwell Patricia G.
Dillon Andrew J.
International Business Machines - Corporation
Musgrove Jack V.
Oberley Alvin E.
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