System and method of drawing anti-aliased lines using a modified

Details System and method of drawing anti-aliased lines using a modified System and method of drawing anti-aliased lines using a modified

1996-04-19

1998-09-29

Jankus, Almis R.

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

G06T 1100

Patent

active

058151621

ABSTRACT:
Described herein are a system and method for drawing high-quality, mathematically perfect or near-perfect anti-aliased lines by using a modified integer Bresenham line-drawing algorithm that yields optimally accurate coverage values. These coverage values are derived from the Bresenham algorithm itself without the computational expense of an arithmetic division at each pixel. The Bresenham algorithm generates pixel coordinates and coverage values of a line by iterating the line's minor axis coordinate with subpixel precision.

REFERENCES:
patent: 5422991 (1995-06-01), Fowler
patent: 5544294 (1996-08-01), Cho et al.

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