Lines Matching refs:tangent
235 void SkEvalQuadAt(const SkPoint src[3], SkScalar t, SkPoint* pt, SkVector* tangent)
242 if (tangent)
243 tangent->set(eval_quad_derivative(&src[0].fX, t),
247 void SkEvalQuadAtHalf(const SkPoint src[3], SkPoint* pt, SkVector* tangent)
259 if (tangent)
260 tangent->set(eval_quad_derivative_at_half(&src[0].fX),
538 void SkEvalCubicAt(const SkPoint src[4], SkScalar t, SkPoint* loc, SkVector* tangent, SkVector* curvature)
545 if (tangent)
546 tangent->set(eval_cubic_derivative(&src[0].fX, t),
