Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1996-06-26
1999-06-22
Jankus, Almis R.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
G06T 1100
Patent
active
059147180
ABSTRACT:
A method and apparatus for organizing a workspace of a graphical input system that utilizes borders to define regions within the workspace. The present invention addresses the problem of determining the scope of structure operations. Structures, e.g. a list, table or other group of items having some fixed relationship by introducing the notion of a border dynamically created on such systems using available areas on the workspace. Some ambiguity may exist as to where a structure begins or ends. Further, such structure operations may cause a structure to overlay another structure. Borders are used to tessellate a work surface into non-overlapping regions. Typically, within each region is a structure. Deleting borders on a tessellated work surface may cause others borders to be deleted with the object being to maintain a completely tessellated work surface. Further, various border types, visually represented by different line types, are enabled which in turn provide for defining different types of regions.
REFERENCES:
patent: 5487143 (1996-01-01), Southgate
European Search Report and Annex for Application No. EP 97 30 4468 published Sep. 19, 1997.
"Cell-Width Determination In A Table", IBM Technical Disclosure Bulletin, vol. 27, No. 10B, Mar., 1985, p. 6014.
Chiu Patrick
Moran Thomas P.
van Melle William J.
Domingo Richard B.
Jankus Almis R.
Xerox Corporation
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