Method and apparatus for displaying hardware dependent graphics in an object-oriented operating system
Screen objects used by the application programs to draw or paint on the display screen are created in accordance with a predefined class structure which represents a generic display system. Developers of specialized hardware develop specialized classes based on the predefined structure to handle spe...
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creator | MARSH DONALD M ZIAS JEFF A |
description | Screen objects used by the application programs to draw or paint on the display screen are created in accordance with a predefined class structure which represents a generic display system. Developers of specialized hardware develop specialized classes based on the predefined structure to handle specific command sets and protocols. When the system is initially powered up or reconfigured, the screen objects are created from the generic and specialized classes as necessary by examining the actual display hardware present in the system. When the specialized classes are used to create the screen objects, the screen objects receive the specialized command sets and protocols necessary to interact with display hardware which have been provided by the hardware developers. |
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Developers of specialized hardware develop specialized classes based on the predefined structure to handle specific command sets and protocols. When the system is initially powered up or reconfigured, the screen objects are created from the generic and specialized classes as necessary by examining the actual display hardware present in the system. 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subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING PHYSICS SEALS |
title | Method and apparatus for displaying hardware dependent graphics in an object-oriented operating system |
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