Path to trapezoid decomposition of polygons for printing...

Details Path to trapezoid decomposition of polygons for printing... Path to trapezoid decomposition of polygons for printing...

2007-02-06

2007-02-06

Garcia, Gabriel I. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Communication

C358S001180

Reexamination Certificate

active

10749050

ABSTRACT:
A computer implemented method of rasterizing a page in a page description language efficiently utilizes the resources of a multiprocessor integrated circuit by spawning of subtasks from a RISC type processor to one or more DSP type processors. The RISC type processor interprets the page in the page description language and detects a Y coordinate of edge intersection using the floating point calculation unit. The DSP type processors sort polygon edges in increasing Y coordinate and detect a Y coordinate of edge intersections via successive midpoint approximation using an integer multiplier unit.

REFERENCES:
patent: 5771045 (1998-06-01), Ghavam et al.
patent: 6101290 (2000-08-01), Easwar et al.
patent: 6518965 (2003-02-01), Dye et al.
patent: 6693719 (2004-02-01), Gupta et al.
patent: 6767182 (2004-07-01), Coppola

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