247 static bool arc_is_lone_point(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,  in arc_is_lone_point()  argument
249     if (0 == sweepAngle && (0 == startAngle || SkIntToScalar(360) == startAngle)) {  in arc_is_lone_point()
270 static void angles_to_unit_vectors(SkScalar startAngle, SkScalar sweepAngle,  in angles_to_unit_vectors()  argument
273              stopRad  = SkDegreesToRadians(startAngle + sweepAngle);  in angles_to_unit_vectors()
289         SkScalar sw = SkScalarAbs(sweepAngle);  in angles_to_unit_vectors()
292             SkScalar deltaRad = SkScalarCopySign(SK_Scalar1/512, sweepAngle);  in angles_to_unit_vectors()
301     *dir = sweepAngle > 0 ? kCW_SkRotationDirection : kCCW_SkRotationDirection;  in angles_to_unit_vectors()
328 SkPathBuilder& SkPathBuilder::arcTo(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle,  in arcTo()  argument
339     if (arc_is_lone_point(oval, startAngle, sweepAngle, &lonePt)) {  in arcTo()
345     angles_to_unit_vectors(startAngle, sweepAngle, &startV, &stopV, &dir);  in arcTo()
364         SkScalar endAngle = SkDegreesToRadians(startAngle + sweepAngle);  in arcTo()
391 SkPathBuilder& SkPathBuilder::addArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle) {  in addArc()  argument
392     if (oval.isEmpty() || 0 == sweepAngle) {  in addArc()
398     if (sweepAngle >= kFullCircleAngle || sweepAngle <= -kFullCircleAngle) {  in addArc()
408 …          return this->addOval(oval, sweepAngle > 0 ? SkPathDirection::kCW : SkPathDirection::kCCW,  in addArc()
412     return this->arcTo(oval, startAngle, sweepAngle, true);  in addArc()