Method for ascertaining and filling of bounded areas of a...

Details Method for ascertaining and filling of bounded areas of a... Method for ascertaining and filling of bounded areas of a...

G - Physics

09

G

375/53

G09G 3/20 (2006.01) G06T 15/50 (2006.01)

Patent

CA 1238731

A METHOD FOR ASCERTAINING AND FILLING OF BOUNDED AREAS OF A COLORED RASTER DISPLAY Abstract of the Invention A method for use in a bit-mapped presentation display system for ascertaining the boundary of an arbitrarily-shaped closed polygon filled with a first color-coded pel pattern and then filling the ascertained polygon with a second color-coded pel pattern. The method steps comprise identifying the first color-coded pattern; determining all unique raster runs of said identified first pattern, and creating a counterpart data representation thereof; and filling in at least a portion of the raster color-coded domain with the second pattern as controlled by the data representation. SA9-84-043

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