Conversion of a sub-pixel format data to another sub-pixel data format
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United States of America Patent
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Feb 15, 2011
Grant Date -
Feb 19, 2009
app pub date -
Oct 16, 2008
filing date -
May 9, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method of determining implied sample areas for each data point of each color in a source pixel data specified in a first sub-pixel format is used for sub-pixel rendering an image on a display specified in a second sub-pixel format. Each of the first and second sub-pixel formats comprises a plurality of colored sub-pixels. The method comprises determining a geometric center of each colored sub-pixel of the first format to define a sampling point; and defining each implied sample area by forming lines that are substantially equidistant between the sampling point of one colored sub-pixel and the sampling point of another neighboring same color colored sub-pixel. A similar technique may be used for determining resample areas for computing color values for rendering an image specified in a first sub-pixel format on a display substantially comprising a plurality of colored sub-pixels arranged in a second sub-pixel format.
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