REG_FIDDLE(Saturation, 256, 256, false, 3)
@ kSaturation
saturation of source with hue and luminosity of destination
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void drawColor(SkColor color, SkBlendMode mode=SkBlendMode::kSrcOver)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
sk_sp< const SkImage > image
static constexpr Scalar Saturation(Vector3 color)