1cb93a386Sopenharmony_ci// Copyright 2020 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_ciREG_FIDDLE(shader, 256, 256, false, 0) { 5cb93a386Sopenharmony_ciSkPath star() { 6cb93a386Sopenharmony_ci const SkScalar R = 60.0f, C = 128.0f; 7cb93a386Sopenharmony_ci SkPath path; 8cb93a386Sopenharmony_ci path.moveTo(C + R, C); 9cb93a386Sopenharmony_ci for (int i = 1; i < 15; ++i) { 10cb93a386Sopenharmony_ci SkScalar a = 0.44879895f * i; 11cb93a386Sopenharmony_ci SkScalar r = R + R * (i % 2); 12cb93a386Sopenharmony_ci path.lineTo(C + r * cos(a), C + r * sin(a)); 13cb93a386Sopenharmony_ci } 14cb93a386Sopenharmony_ci return path; 15cb93a386Sopenharmony_ci} 16cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 17cb93a386Sopenharmony_ci SkPaint paint; 18cb93a386Sopenharmony_ci paint.setPathEffect(SkDiscretePathEffect::Make(10.0f, 4.0f)); 19cb93a386Sopenharmony_ci SkPoint points[2] = {SkPoint::Make(0.0f, 0.0f), SkPoint::Make(256.0f, 256.0f)}; 20cb93a386Sopenharmony_ci SkColor colors[2] = {SkColorSetRGB(66, 133, 244), SkColorSetRGB(15, 157, 88)}; 21cb93a386Sopenharmony_ci paint.setShader( 22cb93a386Sopenharmony_ci SkGradientShader::MakeLinear(points, colors, NULL, 2, SkTileMode::kClamp, 0, NULL)); 23cb93a386Sopenharmony_ci paint.setAntiAlias(true); 24cb93a386Sopenharmony_ci canvas->clear(SK_ColorWHITE); 25cb93a386Sopenharmony_ci SkPath path(star()); 26cb93a386Sopenharmony_ci canvas->drawPath(path, paint); 27cb93a386Sopenharmony_ci} 28cb93a386Sopenharmony_ci} // END FIDDLE 29