Vector image drawing circuit and method for vector image drawing
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United States of America Patent
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Aug 7, 2012
Grant Date -
Mar 12, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 28, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A vector image drawer comprises: an outline definer, a divider, an outline flag setter, a filler, and a continue flag setter. The outline definer defines outline data for indicating a start pixel and an end pixel of a filling along each scanning line of a drawing region. The divider divides the drawing region into an m×n matrix of drawing subregions. The outline flag setter sets an outline flag for indicating a presence of the outline data for each of the drawing subregions. The filler performs a fill processing for drawing subregions in a case where a continue flag is set for an adjacent drawing subregions and the outline flag is set for each of the drawing subregions. A continue flag setter sets the continue flag for each of the scanning line, whether a filling continues into an adjacent drawing subregion.
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