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| /inkscape/src/helper/ |
| H A D | geom.cpp | 34 cubic_bbox (Geom::Coord x000, Geom::Coord y000, Geom::Coord x001, Geom::Coord y001, Geom::Coord x011, Geom::Coord y011, Geom::Coord x111, Geom::Coord y111, Geom::Rect &bbox) argument
42 // All points of the Bezier lie in the convex hull of (x000,y000), (x001,y001), (x011,y011) and (x111,y111)
43 // So, if it also contains (x001,y001) and (x011,y011) we don't have to compute anything else!
45 bool containsXrange = bbox[0].contains(x001) && bbox[0].contains(x011);
49 * xttt = s * (s * (s * x000 + t * x001) + t * (s * x001 + t * x011)) + t * (s * (s * x001 + t * x011) + t * (s * x011 + t * x111))
50 * xttt = s * (s2 * x000 + s * t * x001 + t * s * x001 + t2 * x011) + t * (s2 * x001 + s * t * x011 + t * s * x011
259 geom_cubic_bbox_wind_distance(Geom::Coord x000, Geom::Coord y000, Geom::Coord x001, Geom::Coord y001, Geom::Coord x011, Geom::Coord y011, Geom::Coord x111, Geom::Coord y111, Geom::Point const &pt, Geom::Rect *bbox, int *wind, Geom::Coord *best, Geom::Coord tolerance) argument
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