Flutter Engine
The Flutter Engine
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Canvas_saveLayer_3.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=7d3751e82d1b6ec328ffa3d6f48ca831
5REG_FIDDLE(Canvas_saveLayer_3, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7 canvas->drawImage(image, 0, 0);
10 paint.setBlendMode(SkBlendMode::kPlus);
12 rec.fPaint = &paint;
13 canvas->saveLayer(rec);
14 paint.setBlendMode(SkBlendMode::kClear);
15 canvas->drawCircle(128, 128, 96, paint);
16 canvas->restore();
17}
18} // END FIDDLE
@ kPlus
r = min(s + d, 1)
@ kClear
r = 0
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
@ kInitWithPrevious_SaveLayerFlag
initializes with previous contents
Definition SkCanvas.h:672
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition SkCanvas.h:1528
void drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, const SkPaint &paint)
const Paint & paint
sk_sp< SkImage > image
Definition examples.cpp:29
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
const SkPaint * fPaint
Definition SkCanvas.h:743
SaveLayerFlags fSaveLayerFlags
Definition SkCanvas.h:763