DrawBezierGradient
CallbackAdapterPlayer::DrawBezierGradient(const BPoint _points[4], BGradient& gradient, bool fill)
BoundingBoxCallbacks::DrawBezierGradient(const BPoint controlPoints[4], BGradient& gradient,
CanvasCallbacks::DrawBezierGradient(const BPoint viewPoints[4], BGradient& gradient, bool fill)