Window display processing method and apparatus
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United States of America Patent
Stats
-
Dec 29, 1998
Grant Date -
N/A
app pub date -
Sep 12, 1995
filing date -
Dec 27, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two window ID plane storages corresponding to two frame buffers store window ID planes consisting of window ID's as window ID information for individual pixels to identify a window pixel by pixel of each frame buffer. An overlapping table storage stores an overlapping table which describes the overlapping relation among individual windows over those frame buffers. A switching section selects a window to be displayed and switches between the frame buffers pixel by pixel, in accordance with the two window ID planes and the contents of the overlapping table. The switching section then supplies the content of the selected frame buffer to a monitor.
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