Apparatus for converting character outline data into dot data, h

Details Apparatus for converting character outline data into dot data, h Apparatus for converting character outline data into dot data, h

1991-09-05

1994-05-03

Harkcom, Gary V.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395151, 395142, 345128, 345144, 345194, G06F 1562

Patent

active

053095545

ABSTRACT:
An apparatus having a dot data preparing device for converting original outline data representative of an outline of a character into dot data indicative of image dots to be formed at picture elements which lie within the character outline, when the character outline is superimposed on a coordinated pixel screen wherein the picture elements are defined by parallel x-axis pixel lines and parallel y-axis pixel lines perpendicular to the x-axis pixel lines. The apparatus includes a device for calculating a coordinate value of a maximal or minimal point of a segment of the character outline in an x-axis or y-axis direction, and an outline moving device for moving the outline such that the coordinate value of the maximal or minimal point has a predetermined positional relationship with the pixel lines. The dot data preparing device prepares the dot data, according to the outline data representative of the outline moved by the outline moving device.

REFERENCES:
patent: 4620287 (1986-10-01), Yam
patent: 4675830 (1987-06-01), Hawkins
patent: 5042075 (1991-08-01), Sato
patent: 5099435 (1992-03-01), Collins et al.

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