xref: /third_party/skia/docs/examples/Xor.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=29db2c7493d9098b8a086ddbe30dd6d6
5cb93a386Sopenharmony_ciREG_FIDDLE(Xor, 256, 256, false, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    SkPaint paint;
8cb93a386Sopenharmony_ci    paint.setBlendMode(SkBlendMode::kXor);
9cb93a386Sopenharmony_ci    for (auto color : { SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN } ) {
10cb93a386Sopenharmony_ci        SkColor colors[] = { color, SkColorSetA(color, 192), SkColorSetA(color, 128),
11cb93a386Sopenharmony_ci                             SkColorSetA(color, 0) };
12cb93a386Sopenharmony_ci        paint.setShader(SkGradientShader::MakeRadial({ 64, 64}, 100,
13cb93a386Sopenharmony_ci                colors, nullptr, SK_ARRAY_COUNT(colors), SkTileMode::kClamp));
14cb93a386Sopenharmony_ci        canvas->drawCircle(64, 64, 100, paint);
15cb93a386Sopenharmony_ci        canvas->translate(64, 64);
16cb93a386Sopenharmony_ci    }
17cb93a386Sopenharmony_ci}
18cb93a386Sopenharmony_ci}  // END FIDDLE
19

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