29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// Copyright 2020 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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REG_FIDDLE(shader, 256, 256, false, 0) {
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SkPath star() {
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const SkScalar R = 60.0f, C = 128.0f;
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SkPath path;
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path.moveTo(C + R, C);
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for (int i = 1; i < 15; ++i) {
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SkScalar a = 0.44879895f * i;
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SkScalar r = R + R * (i % 2);
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path.lineTo(C + r * cos(a), C + r * sin(a));
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}
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return path;
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}
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void draw(SkCanvas* canvas) {
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SkPaint paint;
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paint.setPathEffect(SkDiscretePathEffect::Make(10.0f, 4.0f));
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SkPoint points[2] = {SkPoint::Make(0.0f, 0.0f), SkPoint::Make(256.0f, 256.0f)};
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SkColor colors[2] = {SkColorSetRGB(66, 133, 244), SkColorSetRGB(15, 157, 88)};
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paint.setShader(SkGradientShader::MakeLinear(
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points, colors, nullptr, 2, SkTileMode::kClamp, 0, nullptr));
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paint.setAntiAlias(true);
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canvas->clear(SK_ColorWHITE);
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SkPath path(star());
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canvas->drawPath(path, paint);
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}
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} // END FIDDLE
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