@ kSrcATop
r = s*da + d*(1-sa)
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< SkColorFilter > Blend(const SkColor4f &c, sk_sp< SkColorSpace >, SkBlendMode mode)
SkColorFilter * getColorFilter() const
sk_sp< SkColorFilter > refColorFilter() const
void setColorFilter(sk_sp< SkColorFilter > colorFilter)
#define REG_FIDDLE(NAME, W, H, TEXT, I)