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Allocating display information

  • US 6,104,359 A
  • Filed: 01/24/1997
  • Issued: 08/15/2000
  • Est. Priority Date: 01/24/1997
  • Status: Expired due to Term
First Claim
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1. A method of allocating display information among a plurality of display screens in a computer system, the method comprising:

  • identifying a first function provided by a first display device driver and a second function provided by a second display device driver, the functions and the device drivers configured to allow at least one of the display screens to be updated in accordance with the display information, the first function and the first driver corresponding to one of the screens, the second function and the second driver corresponding to another of the screens;

    replacing an original pointer to the first function with a redirection pointer;

    configuring a capability attribute, the configuration reflecting a capability common to both drivers;

    using the redirection pointer to redirect a function call comprising the display information, the function call originally directed to the first function;

    processing the display information to derive new display information in accordance with the configured capability attribute; and

    updating at least one of the screens by causing a new function call directed to one of the functions, the new function call comprising the new display information.

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