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Re: fonts?
by aegir on Tuesday 16/Sep/2003, @06:41
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AFAIK, the patent is not limited to TT fonts, but any fonts :
US Patent 5159668 :
What is claimed is:
1. A method for manipulating the outline of a symbol image at a plurality of output sizes for improving the display of a digital typeface on raster output device having an output resolution and having an array of pixels, comprising the steps of:
storing in a first memory means a plurality of control points corresponding to an outline of said symbol image, at least one of said control points having predetermined information specifying different positions of said at least one of said control points for at least two of said plurality of output sizes;
selecting at least one of said control points of said outline which requires manipulation;
selecting a first size from said plurality of output sizes to display said outline at said first size on said raster output device;
calculating a distance and direction for repositioning said selected control point at said first size and said output resolution;
manipulating said outline by using the distance and direction calculated for said selected control point to reposition said selected control point;
and storing the results of said outline manipulation in a second memory means.
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