237     void setRayPts(const SkPoint& tPt, SkVector* dxy, SkPoint* onPt, SkPoint* tangent) const;
501     SkVector dxy = lineEnd - lineStart;  in pt_to_line()  local
503     SkScalar numer = dxy.dot(ab0);  in pt_to_line()
504     SkScalar denom = dxy.dot(dxy);  in pt_to_line()
766 void SkPathStroker::setRayPts(const SkPoint& tPt, SkVector* dxy, SkPoint* onPt,  in setRayPts()  argument
768     if (!dxy->setLength(fRadius)) {  in setRayPts()
769         dxy->set(fRadius, 0);  in setRayPts()
772     onPt->fX = tPt.fX + axisFlip * dxy->fY;  in setRayPts()
773     onPt->fY = tPt.fY - axisFlip * dxy->fX;  in setRayPts()
775         tangent->fX = onPt->fX + dxy->fX;  in setRayPts()
776         tangent->fY = onPt->fY + dxy->fY;  in setRayPts()
784     SkVector dxy;  in conicPerpRay()  local
785     conic.evalAt(t, tPt, &dxy);  in conicPerpRay()
786     if (dxy.fX == 0 && dxy.fY == 0) {  in conicPerpRay()
787         dxy = conic.fPts[2] - conic.fPts[0];  in conicPerpRay()
789     this->setRayPts(*tPt, &dxy, onPt, tangent);  in conicPerpRay()
812     SkVector dxy;  in cubicPerpRay()  local
814     SkEvalCubicAt(cubic, t, tPt, &dxy, nullptr);  in cubicPerpRay()
815     if (dxy.fX == 0 && dxy.fY == 0) {  in cubicPerpRay()
818             dxy = cubic[2] - cubic[0];  in cubicPerpRay()
820             dxy = cubic[3] - cubic[1];  in cubicPerpRay()
825             dxy = chopped[3] - chopped[2];  in cubicPerpRay()
826             if (dxy.fX == 0 && dxy.fY == 0) {  in cubicPerpRay()
827                 dxy = chopped[3] - chopped[1];  in cubicPerpRay()
831         if (dxy.fX == 0 && dxy.fY == 0) {  in cubicPerpRay()
832             dxy = cPts[3] - cPts[0];  in cubicPerpRay()
835     setRayPts(*tPt, &dxy, onPt, tangent);  in cubicPerpRay()
863     SkVector dxy;  in quadPerpRay()  local
864     SkEvalQuadAt(quad, t, tPt, &dxy);  in quadPerpRay()
865     if (dxy.fX == 0 && dxy.fY == 0) {  in quadPerpRay()
866         dxy = quad[2] - quad[0];  in quadPerpRay()
868     setRayPts(*tPt, &dxy, onPt, tangent);  in quadPerpRay()