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(skpaint_compose_path_effect, 256, 256, false, 0) { 5cb93a386Sopenharmony_ciSkPath star() { 6cb93a386Sopenharmony_ci const SkScalar R = 115.2f, C = 128.0f; 7cb93a386Sopenharmony_ci SkPath path; 8cb93a386Sopenharmony_ci path.moveTo(C + R, C); 9cb93a386Sopenharmony_ci for (int i = 1; i < 8; ++i) { 10cb93a386Sopenharmony_ci SkScalar a = 2.6927937f * i; 11cb93a386Sopenharmony_ci path.lineTo(C + R * cos(a), C + R * sin(a)); 12cb93a386Sopenharmony_ci } 13cb93a386Sopenharmony_ci return path; 14cb93a386Sopenharmony_ci} 15cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 16cb93a386Sopenharmony_ci const SkScalar intervals[] = {10.0f, 5.0f, 2.0f, 5.0f}; 17cb93a386Sopenharmony_ci size_t count = sizeof(intervals) / sizeof(intervals[0]); 18cb93a386Sopenharmony_ci SkPaint paint; 19cb93a386Sopenharmony_ci paint.setPathEffect( 20cb93a386Sopenharmony_ci SkPathEffect::MakeCompose(SkDashPathEffect::Make(intervals, count, 0.0f), 21cb93a386Sopenharmony_ci SkDiscretePathEffect::Make(10.0f, 4.0f))); 22cb93a386Sopenharmony_ci paint.setStyle(SkPaint::kStroke_Style); 23cb93a386Sopenharmony_ci paint.setStrokeWidth(2.0f); 24cb93a386Sopenharmony_ci paint.setAntiAlias(true); 25cb93a386Sopenharmony_ci canvas->clear(SK_ColorWHITE); 26cb93a386Sopenharmony_ci SkPath path(star()); 27cb93a386Sopenharmony_ci canvas->drawPath(path, paint); 28cb93a386Sopenharmony_ci} 29cb93a386Sopenharmony_ci} // END FIDDLE 30