RESOLUTION INDEPENDENT RENDERING OF QUADRATIC BEZIER CURVES USING PROGRAMMABLE GRAPHICS HARDWARE
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United States of America Patent
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Issued Date -
Mar 22, 2012
app pub date -
Sep 21, 2010
filing date -
Sep 21, 2010
priority date (Note) -
Abandoned
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Abstract
A computer system, program, and method for resolution-independent rendering of an image defined at least in part by a Bezier curve function includes subdividing the image into a plurality of polygons based on Bezier control points of the Bezier curve function, each of the polygons being defined around a Bezier curve, assigning texture coordinates to the Bezier control points, projecting the plurality of polygons and the Bezier curves into texture space, constructing an implicit signed distance function based on the assigned texture coordinates and the Bezier curve function, determining for each pixel within each of the plurality of polygons, based on the implicit signed distance function, whether the pixel is located inside or outside the respective Bezier curve, and shading the pixels determined to be inside the Bezier curve.
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