Dropout-free center point fill method for displaying characters

Details Dropout-free center point fill method for displaying characters Dropout-free center point fill method for displaying characters

G - Physics

09

G

375/32

G09G 5/00 (2006.01) G09G 5/24 (2006.01)

Patent

CA 2020316

ABSTRACT An improved method is provided for displaying characters with improved legibility at relatively low resolution by modifying the center point fill method and displaying additional pixels as needed to maintain connectivity and avoid dropout problems. Additional pixels are turned on as needed where a black section of the character crosses the midline between two adjacent horizontal or vertical pixel centers. If the intersection of a black section of a character with a midline is entirely within one pixel which is not otherwise turned on then that pixel is turned on; if a black section of a character crosses between two such adjacent pixel reference points in parts of both pixels and if neither pixel is already on, the pixel having more of the black section, measured along the line between pixel centers (or other reference points), is turned on.

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