System and method for automatic resolution reduction

Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements

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Details

345110, 345109, 345128, G06F 1314

Patent

active

054715636

ABSTRACT:
A resource oriented host computer-printer system in which the host computer and printer share information and data processing duties. A system and method for analyzing the execution times for draw primitives allows the host computer to determine whether the printer will be able to render draw primitives in real-time. A resource assembler calculates the cost of executing each draw primitive within a band to determine if the printer can render the draw primitive in real-time. If the band is too complex for the printer to render in real-time, the printer may pre-render the band or the host computer will render the band and transmit the bit-map of that band to the printer. The host computer makes a series of decisions as to the best form for transferring data from the host computer to the printer. If the printer cannot store the bit-map data file, the bit-map data file is compressed. If the printer cannot store the compressed bit-map data file, the host computer will reduce resolution in two stages, if necessary, until the printer can store the reduced resolution bit-map data file. The second stage of resolution reduction is guaranteed to fit within the printer. The host computer displays a message advising the user that the resolution has been reduced.

REFERENCES:
patent: 4881180 (1989-11-01), Nishiyama
patent: 5142667 (1992-08-01), Dimperio et al.
patent: 5150454 (1992-09-01), Wood et al.
patent: 5208676 (1993-05-01), Inui
patent: 5220674 (1993-06-01), Morgan et al.
M. Hamdi, "Design Methodology of Multi Processor Systems for Real-Time Applications," International Journal of Mini & Microcomputers, 14/2:77-81, 1992.

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