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◆ REG_FIDDLE()
REG_FIDDLE |
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Definition at line 5 of file Difference.cpp.
5 {
14 SkPoint vert[] = { { 0, 0 }, { 0, 256 } };
18 canvas->
clipRect( { 30, 30, 226, 226 } );
20}
21}
@ kDifference
rc = s + d - 2*(min(s*da, d*sa)), ra = kSrcOver
@ kDstATop
r = d*sa + s*(1-da)
constexpr SkColor SK_ColorTRANSPARENT
constexpr SkColor SK_ColorBLACK
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
void clipRect(const SkRect &rect, SkClipOp op, bool doAntiAlias)
void drawColor(SkColor color, SkBlendMode mode=SkBlendMode::kSrcOver)
void drawPaint(const SkPaint &paint)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
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)