xref: /third_party/skia/docs/examples/Plus.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=05383441e510d54008402e128fc8ad2b
5cb93a386Sopenharmony_ciREG_FIDDLE(Plus, 256, 256, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    canvas->drawColor(SK_ColorBLACK);
8cb93a386Sopenharmony_ci    SkPaint paint;
9cb93a386Sopenharmony_ci    paint.setBlendMode(SkBlendMode::kPlus);
10cb93a386Sopenharmony_ci    for (auto color : { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN } ) {
11cb93a386Sopenharmony_ci        SkColor colors[] = { color, SkColorSetA(color, 192), SkColorSetA(color, 128),
12cb93a386Sopenharmony_ci                             SkColorSetA(color, 0) };
13cb93a386Sopenharmony_ci        paint.setShader(SkGradientShader::MakeRadial({ 64, 64}, 100,
14cb93a386Sopenharmony_ci                colors, nullptr, SK_ARRAY_COUNT(colors), SkTileMode::kClamp));
15cb93a386Sopenharmony_ci        canvas->drawCircle(64, 64, 100, paint);
16cb93a386Sopenharmony_ci        canvas->translate(64, 64);
17cb93a386Sopenharmony_ci    }
18cb93a386Sopenharmony_ci}
19cb93a386Sopenharmony_ci}  // END FIDDLE
20

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