75     struct Rec {  struct in DrawAtlasDrawable
76         SkPoint     fCenter;
77         SkVector    fVelocity;
78         SkScalar    fScale;
79         SkScalar    fDScale;
80         SkScalar    fRadian;
81         SkScalar    fDRadian;
82         SkScalar    fAlpha;
83         SkScalar    fDAlpha;
85         void advance(const SkRect& bounds) {  in advance()
122         SkRSXform asRSXform() const {  in asRSXform()