Flutter Engine
The Flutter Engine
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Clear.cpp
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1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4// HASH=a9b56a26ca469bab9ab10e16f62fb2e2
5REG_FIDDLE(Clear, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7 canvas->saveLayer(nullptr, nullptr);
10 for (auto color : { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN } ) {
11 SkColor colors[] = { color, SkColorSetA(color, 0) };
12 paint.setShader(SkGradientShader::MakeRadial({ 64, 64}, 100,
13 colors, nullptr, std::size(colors), SkTileMode::kClamp));
14 canvas->drawCircle(64, 64, 100, paint);
15 canvas->translate(64, 64);
16 }
17 canvas->restore();
18}
19} // END FIDDLE
SkColor4f color
@ kClear
r = 0
constexpr SkColor SK_ColorYELLOW
Definition SkColor.h:139
uint32_t SkColor
Definition SkColor.h:37
constexpr SkColor SK_ColorBLUE
Definition SkColor.h:135
static constexpr SkColor SkColorSetA(SkColor c, U8CPU a)
Definition SkColor.h:82
constexpr SkColor SK_ColorRED
Definition SkColor.h:126
constexpr SkColor SK_ColorGREEN
Definition SkColor.h:131
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
int saveLayer(const SkRect *bounds, const SkPaint *paint)
Definition SkCanvas.cpp:500
void restore()
Definition SkCanvas.cpp:465
void translate(SkScalar dx, SkScalar dy)
void drawColor(SkColor color, SkBlendMode mode=SkBlendMode::kSrcOver)
Definition SkCanvas.h:1182
void drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, const SkPaint &paint)
static sk_sp< SkShader > MakeRadial(const SkPoint &center, SkScalar radius, const SkColor colors[], const SkScalar pos[], int count, SkTileMode mode, uint32_t flags=0, const SkMatrix *localMatrix=nullptr)
const Paint & paint
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60