Graphics display with improved window organization

Details Graphics display with improved window organization Graphics display with improved window organization

1983-04-22

1986-07-01

Thomas, James D.

Boots, shoes, and leggings

340721, 364521, G06F 314, G09G 106

Patent

active

045983844

ABSTRACT:
A display system has a driver program for displaying alphanumeric characters and a driver program for displaying graphics. When a graphics window is opened, a program in the operating system establishes a control block containing a code that has been made unique within the user's program. For operations within a window, a function packet is passed to the appropriate driver. The operations are identified by the unique code and several independent windows can be created.

REFERENCES:
patent: 4197590 (1980-04-01), Sukonick et al.
patent: 4278973 (1981-07-01), Hughes et al.
patent: 4412294 (1983-10-01), Watts et al.
patent: 4428065 (1984-01-01), Duvall et al.
patent: 4484302 (1984-01-01), Cason et al.
D. A. Stockwell, "Display with Partitioned Slow Scroll", IBM Tech. Disc. Bull., vol. 23, No. 4, Sep. 1980, pp. 1512-1513.
Brochure advertising, "The Electric Blackboard Multi-Window Text Editor" from Santa Criz Software Services, publication date unknown.
"Datamation", Feb. 1982 issue, p. 198.

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