Patent ID: 7215341
Filing Date: 2007-05-08
Classification: G06T

Abstract:
1. A method of coloring a plurality of cells using a predetermined fill-color, the cells occupying a region in a grid of cells thereby defining a plurality of region-cells, the method comprising: (a) dividing the grid into a plurality of elementary-regions, each comprising at least one cell; (b) visiting one elementary-region at a time and determining, for each cell of said elementary-region, whether the cell is a region-cell; (c) writing color data in at least one region-cell of each elementary-region using a color selected from a color-space so as to store information in said elementary-region, said information directing a backtracking path in the region, thereby providing a mapped elementary-region; and (d) using said information for visiting all said mapped elementary-regions along said backtracking path and for writing color data using the fill-color in each region-cell of each said mapped elementary-region along said backtracking path; thereby coloring all the region-cells with the fill-color.