35 class Xform : public SkRefCnt {
39     Xform* parent() const { return fParent.get(); }  in parent()
40     void setParent(sk_sp<Xform> p);
55     Xform(sk_sp<Xform> parent = nullptr) {
64     sk_sp<Xform> fParent;
67     SkTDArray<Xform*> fChildren;
78     void internalAddChild(Xform*);
79     void internalRemoveChild(Xform*);
90 class MatrixXF : public Xform {
92     static sk_sp<MatrixXF> Make(sk_sp<Xform> parent = nullptr) {
96     MatrixXF(sk_sp<Xform> parent) : Xform(std::move(parent)) {  in MatrixXF()
120 class ClipXF : public Xform {
122     ClipXF(sk_sp<Xform> parent = nullptr) : Xform(std::move(parent)) {}  in Xform()  function
123     ClipXF(sk_sp<Xform> parent, const SkRect& r, SkClipOp op = SkClipOp::kIntersect)
124         : Xform(std::move(parent))  in Xform()  function