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(skcanvas_star, 256, 256, false, 0) { 5cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 6cb93a386Sopenharmony_ci const SkScalar scale = 256.0f; 7cb93a386Sopenharmony_ci const SkScalar R = 0.45f * scale; 8cb93a386Sopenharmony_ci const SkScalar TAU = 6.2831853f; 9cb93a386Sopenharmony_ci SkPath path; 10cb93a386Sopenharmony_ci path.moveTo(R, 0.0f); 11cb93a386Sopenharmony_ci for (int i = 1; i < 7; ++i) { 12cb93a386Sopenharmony_ci SkScalar theta = 3 * i * TAU / 7; 13cb93a386Sopenharmony_ci path.lineTo(R * cos(theta), R * sin(theta)); 14cb93a386Sopenharmony_ci } 15cb93a386Sopenharmony_ci path.close(); 16cb93a386Sopenharmony_ci SkPaint p; 17cb93a386Sopenharmony_ci p.setAntiAlias(true); 18cb93a386Sopenharmony_ci canvas->clear(SK_ColorWHITE); 19cb93a386Sopenharmony_ci canvas->translate(0.5f * scale, 0.5f * scale); 20cb93a386Sopenharmony_ci canvas->drawPath(path, p); 21cb93a386Sopenharmony_ci} 22cb93a386Sopenharmony_ci} // END FIDDLE 23