Computer generated variable line width of a vector graphic

Details Computer generated variable line width of a vector graphic Computer generated variable line width of a vector graphic

1995-03-31

1997-06-24

Nguyen, Phu K.

395169, 395141, 395142, 395168, G06T 1160

Patent

active

056424760

ABSTRACT:
In a computer system, a method and an apparatus for varying contour widths of a vector graphic. The method including the steps of reading vector shape data having a contour, control points, a bulge position, a bulge width, and a base position, determining new border control points along the contour, and drawing a new variable width contour using the new border control points from the base control point to a bulge position control point. The apparatus of the present invention includes a processor, an operating system memory coupled to the processor, a vector shape database memory coupled to the processor for storing data that defines the vector shape, a routines memory coupled to the processor for controlling the operating system memory and the processor, and a control variables memory coupled to the processor for storing control variables that direct the routines memory.

REFERENCES:
patent: 5101788 (1992-04-01), Demizu et al.
patent: 5434959 (1995-07-01), Von Ehr, II et al.

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