Lines Matching defs:tangent
227 void SkEvalQuadAt(const SkPoint src[3], SkScalar t, SkPoint* pt, SkVector* tangent)
234 if (tangent)
235 tangent->set(eval_quad_derivative(&src[0].fX, t),
239 void SkEvalQuadAtHalf(const SkPoint src[3], SkPoint* pt, SkVector* tangent)
251 if (tangent)
252 tangent->set(eval_quad_derivative_at_half(&src[0].fX),
533 void SkEvalCubicAt(const SkPoint src[4], SkScalar t, SkPoint* loc, SkVector* tangent, SkVector* curvature)
540 if (tangent)
541 tangent->set(eval_cubic_derivative(&src[0].fX, t),
1492 void SkConic::evalAt(SkScalar t, SkPoint* pt, SkVector* tangent) const {
1499 if (tangent) {
1500 tangent->set(conic_eval_tan(&fPts[0].fX, fW, t),