Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-10-15
1999-05-04
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345146, 345343, 345345, G06K 1518
Patent
active
059008598
ABSTRACT:
Desired switch images are freely shifted and grouped by the operator, so that the switch images can be superimposed to be displayed. A plurality of layers arranged from the lowest layer to the highest layer are provided for the respective switch images. The layer numbers and the switch image data of the switch images corresponding to the respective layer numbers are managed. If switch images are superimposed on each other, the higher-layer switch image is displayed on the lower-layer switch image on the display screen. If a shifted switch image is not superimposed on any of the previously-superimposed images, the layer numbers of all of the switch images higher than the layer number of the shifted switch image are subtracted by one, and also, the layer number of the shifted switch image is set to be the highest number. Then, the shifted switch image is written into the corresponding zone of the screen memory, so that the overall shifted switch image can be displayed on the frontmost position of the screen.
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SYBEX Inc. publication title `Mastering Windows 3.1`, Special Edition Library of Congress Card No. 91-68096, Jan. 1993.
Kawahata Mitsuru
Takishita Hideyuki
Alpine Electronics Inc.
Kovalick Vincent E.
Zimmerman Mark K.
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