Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1996-11-19
1998-08-11
Brier, Jeffery
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345127, G09G 500, G09G 526
Patent
active
057933502
ABSTRACT:
The invention pertains to the adaptive vertical stretching of an original image so that the resulting stretched image optimally fits within the vertical boundary of a display having a fixed number of pixel lines. A line replication state machine provides the stretching of the original image, while a line replication generator preferably generates new line replication numbers by sequentially incrementing an initial line replication number in an integer by integer fashion. A display image measuring device provides a display fit status to the state machine, enabling the state machine to determine whether a resulting stretched image fits within the display exceeded the vertical height of the display. The state machine toggles between two types of line stretching that gives a stretched image closely fitted to the maximum image size available in an applicable display. Toggling between the two types of line stretching enables the state machine to create stretched images that are more precisely fitted to the vertical size of the display, and provides "fractional" line replication although the line replication numbers used are integers.
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Chandavarkar Dinesh D.
Eatherington Mel Walter
Brier Jeffery
Chips & Technologies, Inc.
Lewis David L.
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