Efficient rendering of page descriptions

Details Efficient rendering of page descriptions Efficient rendering of page descriptions

2011-07-12

2011-07-12

Wu, Xiao M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

C345S467000, C345S629000, C345S636000

Reexamination Certificate

active

07978196

ABSTRACT:
A method (600) is disclosed of generating a representation of a page (1500) to be rendered to a raster image (1600) of pixels. The page (1500) comprises one or more graphical objects (1520and1530), arranged in a rendering order. Each the object (1520and1530) comprises one or more object edges and an associated fill. The method (600) comprises decomposing the objects (1520and1530) into a plurality of fillmap edges (1750, 1755, 1760, 1765, and1770) defining disjoint regions (1710, 1720, 1730, 1740, and1780) of the page. The method (600) further comprises setting a reference from at least one fillmap edge (1750, 1755, 1760, 1765, and1770) to a sequence comprising a plurality of fills to be composited to generate the values for all pixels within the defined region (1710, 1720, 1730, 1740, and1780).

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