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Method for matching colors of data displayed on connected computer systems

  • US 5,696,539 A
  • Filed: 01/11/1995
  • Issued: 12/09/1997
  • Est. Priority Date: 12/08/1993
  • Status: Expired due to Term
First Claim
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1. A computer implemented method for translating a color used in a first visual type to a color in a second visual type, said computer implemented method comprising the steps of:

  • (a) allocating a ramp of a plurality of colors in a colormap of said second visual type, wherein said allocated ramp colors are evenly spaced within a color palette of said second visual type, and wherein said allocated ramp colors comprise fewer than all available colors in said colormap of said second visual type;

    (b) selecting one of said used colors from said first visual type;

    (c) comparing said selected used color to each allocated ramp color and to all additional colors previously allocated in said colormap to select a one of said allocated colors close to said selected used color;

    (d) determining a difference between said selected allocated color and said selected used color;

    (e) when said difference is less than a predetermined amount, using said selected colormap color as a translated color;

    (f) when said difference is more than said predetermined amount, allocating an additional color in said colormap of said second visual type, wherein said additional color has palette values related to said selected used color, and selecting said additional color as said translated color;

    (g) sending said translated color to said second visual type; and

    (h) repeating steps (b) through (g) for each color used in said first visual type.

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