xref: /third_party/skia/docs/examples/Clear.cpp (revision cb93a386)
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.
3#include "tools/fiddle/examples.h"
4// HASH=a9b56a26ca469bab9ab10e16f62fb2e2
5REG_FIDDLE(Clear, 256, 256, false, 0) {
6void draw(SkCanvas* canvas) {
7    canvas->saveLayer(nullptr, nullptr);
8    canvas->drawColor(SK_ColorYELLOW, SkBlendMode::kClear);
9    SkPaint paint;
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, SK_ARRAY_COUNT(colors), SkTileMode::kClamp));
14        canvas->drawCircle(64, 64, 100, paint);
15        canvas->translate(64, 64);
16    }
17    canvas->restore();
18}
19}  // END FIDDLE
20