Functions |
| int | Laxkit::bez_bbox (flatpoint p, flatpoint c, flatpoint d, flatpoint q, DoubleBBox *bbox, double *extrema) |
| | Update a bounding box to include the given bezier segment.
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| double | Laxkit::bez_closest_point (flatpoint p, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, int maxpoints, double *d_ret, double *dalong_ret, flatpoint *found) |
| | Return the t parament for the point closest to p in the bezier segment p1,c1,c2,p2.
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double | Laxkit::bez_segment_length (flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, int npoints) |
| | Return the physical length of the segment, by approximating with npoints.
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| int | Laxkit::bez_intersection (flatpoint p1, flatpoint p2, int isline, flatpoint bp1, flatpoint bc1, flatpoint bc2, flatpoint bp2, int resolution, flatpoint *point_ret, double *t_ret) |
| int | Laxkit::bez_intersections (flatpoint P1, flatpoint P2, int isline, flatpoint *points, int n, int resolution, double startt, flatpoint *points_ret, int np, double *t_ret, int nt, double *endt) |
| double | Laxkit::bez_distance_to_t (double dist, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, int resolution) |
| | From a physical distance, return the corresponding t parameter value.
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| double | Laxkit::bez_t_to_distance (double T, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, int resolution) |
| | From a t parameter, return the corresponding distance value.
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| flatpoint | Laxkit::bez_tangent (double t, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2) |
| | Return the numerical tangent at t.
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| flatpoint | Laxkit::bez_visual_tangent (double t, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2) |
| | Return the visual tangent at t.
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| void | Laxkit::bez_subdivide (double t, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, flatpoint *points_ret) |
| | Cut the bezier segment in two at t.
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| flatpoint | Laxkit::bez_point (double t, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2) |
| | Return the cubic bezier point at t. t==0 is p1, t==1 is p2.
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| flatpoint * | Laxkit::bez_points (flatpoint *to_points, int numsegs, flatpoint *from_points, int resolution) |
| | Break down numsegs bezier segments to a polyline with resolution*numsegs points.
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| flatpoint * | Laxkit::bez_points (flatpoint *to_points, int numsegs, flatpoint *from_points, int resolution, int isclosed, int atend) |
| | Break down numsegs bezier segments to a polyline with resolution*numsegs points.
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| flatpoint * | Laxkit::bez_points (flatpoint *to_points, flatpoint *from_points, int resolution, int ignorefirst) |
| | Break down the bezier segment to a polyline with resolution points.
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| flatpoint * | Laxkit::bez_points (flatpoint *to_points, flatpoint p1, flatpoint c1, flatpoint c2, flatpoint p2, int resolution, int ignorefirst) |
| | Break down the bezier segment to a polyline with resolution points.
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| double | Laxkit::bez_near_point (flatpoint p, flatpoint *points, int n, int maxpoints, double *t_ret, int *i_ret) |
| | Return the distance p is from the bezier curve in points.
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| double | Laxkit::bez_near_point_p (flatpoint p, flatpoint **points, int n, int maxpoints, double *t_ret, int *i_ret) |
| | Just like bez_near_point() but with a list of pointers to points, rather than directly at points.
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| int | Laxkit::point_is_in_bez (flatpoint p, flatpoint *points, int n, int resolution) |
| | Return the winding number of p relative to the bezier curve in points. 0 means point is inside.
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| flatpoint * | Laxkit::bez_to_points (flatpoint *to_points, flatpoint *from_points, int n, int resolution, int closed) |
| | Decompose the bezier curve to a polyline.
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| flatpoint * | Laxkit::bez_circle (flatpoint *points, int numpoints, double x, double y, double r) |
| | Return an approximate circle, with numpoints control points, or 4 if numpoints<=1.
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| flatpoint * | Laxkit::bez_ellipse (flatpoint *points, int numsegments, double x, double y, double xr, double yr, flatvector xaxis, flatvector yaxis, double start_angle, double end_angle) |
| | Create an ellipse composed of numsegments bezier segments, or 4 if numsegments<=1.
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