@ kExclusion
rc = s + d - two(s*d), ra = kSrcOver
constexpr SkColor SK_ColorWHITE
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void drawRRect(const SkRRect &rrect, const SkPaint &paint)
static SkRRect MakeRectXY(const SkRect &rect, SkScalar xRad, SkScalar yRad)
void setRectXY(const SkRect &rect, SkScalar xRad, SkScalar yRad)
const SkRect & getBounds() const
#define REG_FIDDLE(NAME, W, H, TEXT, I)