9     SkRRect rrect;  in draw()  local
10     rrect.setNinePatch({30, 10, 100, 60}, 10, 20, 20, 10);  in draw()
11     canvas->drawRRect(rrect, paint);  in draw()
13     const SkRect r = rrect.getBounds();  in draw()
14     canvas->drawLine(r.fLeft, r.fTop + rrect.radii(SkRRect::kUpperLeft_Corner).fY,  in draw()
15                      r.fRight, r.fTop + rrect.radii(SkRRect::kUpperRight_Corner).fY, paint);  in draw()
16     canvas->drawLine(r.fLeft, r.fBottom - rrect.radii(SkRRect::kLowerLeft_Corner).fY,  in draw()
17                      r.fRight, r.fBottom - rrect.radii(SkRRect::kLowerRight_Corner).fY, paint);  in draw()
18     canvas->drawLine(r.fLeft + rrect.radii(SkRRect::kUpperLeft_Corner).fX, r.fTop,  in draw()
19                      r.fLeft + rrect.radii(SkRRect::kLowerLeft_Corner).fX, r.fBottom, paint);  in draw()
20     canvas->drawLine(r.fRight - rrect.radii(SkRRect::kUpperRight_Corner).fX, r.fTop,  in draw()
21                      r.fRight - rrect.radii(SkRRect::kLowerRight_Corner).fX, r.fBottom, paint);  in draw()