Flutter Engine
The Flutter Engine
Loading...
Searching...
No Matches
Canvas_saveLayerAlpha.cpp
Go to the documentation of this file.
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=8ab88d86fb438856cc48d6e2f08a6e24
5REG_FIDDLE(Canvas_saveLayerAlpha, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
8 paint.setColor(SK_ColorRED);
9 canvas->drawCircle(50, 50, 50, paint);
10 canvas->saveLayerAlpha(nullptr, 128);
11 paint.setColor(SK_ColorBLUE);
12 canvas->drawCircle(100, 50, 50, paint);
13 paint.setColor(SK_ColorGREEN);
14 paint.setAlpha(128);
15 canvas->drawCircle(75, 90, 50, paint);
16 canvas->restore();
17}
18} // END FIDDLE
constexpr SkColor SK_ColorBLUE
Definition SkColor.h:135
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
void restore()
Definition SkCanvas.cpp:465
int saveLayerAlpha(const SkRect *bounds, U8CPU alpha)
Definition SkCanvas.h:661
void drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, const SkPaint &paint)
const Paint & paint
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60