@ kNormal_SkBlurStyle
fuzzy inside and outside
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
static sk_sp< SkMaskFilter > MakeBlur(SkBlurStyle style, SkScalar sigma, bool respectCTM=true)
void setMaskFilter(sk_sp< SkMaskFilter > maskFilter)
SkMaskFilter * getMaskFilter() const
sk_sp< SkMaskFilter > refMaskFilter() const
#define REG_FIDDLE(NAME, W, H, TEXT, I)