xref: /third_party/skia/docs/examples/Canvas_saveLayerAlpha.cpp
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1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=8ab88d86fb438856cc48d6e2f08a6e24
5cb93a386Sopenharmony_ciREG_FIDDLE(Canvas_saveLayerAlpha, 256, 256, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    SkPaint paint;
8cb93a386Sopenharmony_ci    paint.setColor(SK_ColorRED);
9cb93a386Sopenharmony_ci    canvas->drawCircle(50, 50, 50, paint);
10cb93a386Sopenharmony_ci    canvas->saveLayerAlpha(nullptr, 128);
11cb93a386Sopenharmony_ci    paint.setColor(SK_ColorBLUE);
12cb93a386Sopenharmony_ci    canvas->drawCircle(100, 50, 50, paint);
13cb93a386Sopenharmony_ci    paint.setColor(SK_ColorGREEN);
14cb93a386Sopenharmony_ci    paint.setAlpha(128);
15cb93a386Sopenharmony_ci    canvas->drawCircle(75, 90, 50, paint);
16cb93a386Sopenharmony_ci    canvas->restore();
17cb93a386Sopenharmony_ci}
18cb93a386Sopenharmony_ci}  // END FIDDLE
19

Indexes created Thu Nov 07 10:32:03 CST 2024