1// Copyright 2020 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4REG_FIDDLE(skpaint_compose_path_effect, 256, 256, false, 0) {
5SkPath star() {
6    const SkScalar R = 115.2f, C = 128.0f;
7    SkPath path;
8    path.moveTo(C + R, C);
9    for (int i = 1; i < 8; ++i) {
10        SkScalar a = 2.6927937f * i;
11        path.lineTo(C + R * cos(a), C + R * sin(a));
12    }
13    return path;
14}
15void draw(SkCanvas* canvas) {
16    const SkScalar intervals[] = {10.0f, 5.0f, 2.0f, 5.0f};
17    size_t count = sizeof(intervals) / sizeof(intervals[0]);
18    SkPaint paint;
19    paint.setPathEffect(
20            SkPathEffect::MakeCompose(SkDashPathEffect::Make(intervals, count, 0.0f),
21                                      SkDiscretePathEffect::Make(10.0f, 4.0f)));
22    paint.setStyle(SkPaint::kStroke_Style);
23    paint.setStrokeWidth(2.0f);
24    paint.setAntiAlias(true);
25    canvas->clear(SK_ColorWHITE);
26    SkPath path(star());
27    canvas->drawPath(path, paint);
28}
29}  // END FIDDLE
30