Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1993-11-30
1996-05-07
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345192, 345128, 345141, G09G 102
Patent
active
055150810
ABSTRACT:
System and methods are described for storing and processing multiple bitmap images, such as those commonly employed in graphical user interfaces (GUIs), within a single "master" bitmap. Within a master bitmap, each image is bound by "corner brackets," each of which comprises a group of pixels which may be identified separately. Each image within a given master bitmap may be identified and processed as a separate image. Methods are described, for instance, for determining size, position, and identity of each image within a multi-image bitmap. Size is computed from the distance between the brackets surrounding an image; position may be computed relative to the position of the surrounding brackets. For identification, each image is provided with a unique ID or identifier, such as a number, embedded within the master bitmap itself. A method of the present invention for decoding an image from a master bitmap is also presented.
REFERENCES:
patent: 4642621 (1987-02-01), Nemoto et al.
patent: 4761643 (1988-08-01), Fujiwara
patent: 5091720 (1992-02-01), Wood
patent: 5245323 (1993-09-01), Ichijo
patent: 5367318 (1994-11-01), Beaudin et al.
Borland International Inc.
Chow Doon
Hjerpe Richard
Smart John A.
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