REG_FIDDLE(Bitmap_eraseColor, 256, 20, false, 0)
@ kOpaque_SkAlphaType
pixel is opaque
constexpr SkColor SK_ColorRED
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void scale(SkScalar sx, SkScalar sy)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
static SkImageInfo MakeN32(int width, int height, SkAlphaType at)