Lines Matching defs:at
906 * \param at Distance along a tangent (0 <= at <= 1).
909 * \param pos Filled in with the position of `at' on the segment.
914 void Path::TangentOnSegAt(double at, Geom::Point const &iS, PathDescrLineTo const &fin,
926 pos = (1 - at) * iS + at * iE; // in other words, pos = iS + at * seg
932 void Path::TangentOnArcAt(double at, const Geom::Point &iS, PathDescrArcTo const &fin,
1045 double b = sang * (1 - at) + eang * at;
1062 double b = sang * (1 - at) + eang * at;
1077 Path::TangentOnCubAt (double at, Geom::Point const &iS, PathDescrCubicTo const &fin, bool before,
1092 const double atb = at - 0.5;
1131 Path::TangentOnBezAt (double at, Geom::Point const &iS,
1144 pos = at * at * A + at * B + C;
1145 const Geom::Point der = 2 * at * A + B;
1213 // Use the ends of the cubic: approximate the arc at the