System and method for anti-aliasing compound shape vector...

Details System and method for anti-aliasing compound shape vector... System and method for anti-aliasing compound shape vector...

2011-08-09

2011-08-09

Wesner, Sajous (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S423000, C345S606000, C345S643000, C345S440000, C382S254000, C382S266000, C382S269000, C382S300000

Reexamination Certificate

active

07995073

ABSTRACT:
Disclosed is a system and method for edge anti-aliasing of vector graphics. The system involves a video driver, which may include commercially available hardware, such as a graphics accelerator card. The method involves identifying the edges of a tessellated image represented by compound shapes, redefining the triangles that have a side shared with one of the edges, and defining a new plurality of triangles, which are added to the redefined triangles. The new plurality of triangles correspond to the edges. By exploiting the style interpolation computational features of most graphics accelerator hardware, the triangles corresponding to the edges are interpolated between the styles on each side of the edges, thereby anti-aliasing the edges.

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