Object-oriented view system with background processing of update request
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United States of America Patent
Stats
-
Jun 4, 1996
Grant Date -
N/A
app pub date -
Dec 30, 1993
filing date -
Dec 30, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A view system is provided for each application program in a computer system in order to display application-generated information on a display. To increase graphic speed, the view system transfers graphic information directly into the screen buffer into a screen buffer area defined by a visible area definition. The view system provides support for minimal recomputation required for a correct display of data in several views when one view is changed. First, the view system generates an update request each time a change is made to one view, but the update request is only forwarded to those views which are affected by the change. Second, update requests are collected over a period of time and used to determine an invalid area caused by all of the requests and this latter invalid area is used to update each affected view.
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International Classification(s)
Cited Art Landscape
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