17 clip.
cubicTo(97.9925f, 31, 18.99f, 105.23f, 18.99f, 196.797f);
18 clip.
cubicTo(18.99f, 288.365f, 97.9925f, 362.595f, 195.448f, 362.595f);
19 clip.
cubicTo(292.905f, 362.595f, 371.905f, 288.365f, 371.905f, 196.797f);
20 clip.
cubicTo(371.905f, 105.23f, 292.905f, 31, 195.448f, 31);
SkPath & cubicTo(SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, SkScalar x3, SkScalar y3)