4REG_FIDDLE(alphaimage_shader_colorfilter, 256, 256,
false, 0) {
8 return s->makeImageSnapshot();
11 SkPoint gpts[2] = {{0, 0}, {64, 64}};
25 p.setShader(linear_gradient());
27 auto i = alpha_image();
constexpr SkColor SK_ColorMAGENTA
constexpr SkColor SK_ColorRED
static constexpr SkColor SkColorSetARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b)
constexpr SkColor SK_ColorGREEN
static sk_sp< SkImage > color_filter(const SkImage *image, SkColorFilter *colorFilter)
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 sk_sp< SkColorFilter > Matrix(const SkColorMatrix &)
static sk_sp< SkShader > MakeLinear(const SkPoint pts[2], const SkColor colors[], const SkScalar pos[], int count, SkTileMode mode, uint32_t flags=0, const SkMatrix *localMatrix=nullptr)
#define REG_FIDDLE(NAME, W, H, TEXT, I)
SK_API sk_sp< SkSurface > Raster(const SkImageInfo &imageInfo, size_t rowBytes, const SkSurfaceProps *surfaceProps)
static SkImageInfo MakeA8(int width, int height)