xref: /third_party/skia/docs/examples/fivearcs.cpp (revision cb93a386)
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(fivearcs, 256, 128, false, 0) {
5void draw(SkCanvas* canvas) {
6    canvas->clear(SkColorSetARGB(255, 255, 255, 255));
7    SkPaint ovalPaint;
8    ovalPaint.setAntiAlias(true);
9    ovalPaint.setStyle(SkPaint::kStroke_Style);
10    SkPaint arcPaint(ovalPaint);
11    arcPaint.setStrokeWidth(5);
12    arcPaint.setColor(SK_ColorBLUE);
13    SkRect oval = {8, 8, 56, 56};
14
15    canvas->drawOval(oval, ovalPaint);
16    SkPath arcPath;
17    arcPath.arcTo(oval, 0, 90, false);
18    canvas->drawPath(arcPath, arcPaint);
19
20    canvas->translate(64, 0);
21    canvas->drawOval(oval, ovalPaint);
22    canvas->drawArc(oval, 0, 90, false, arcPaint);
23
24    canvas->translate(64, 0);
25    canvas->drawOval(oval, ovalPaint);
26    arcPath.reset();
27    arcPath.addArc(oval, 0, 90);
28    canvas->drawPath(arcPath, arcPaint);
29
30    canvas->translate(-96, 64);
31    canvas->drawOval(oval, ovalPaint);
32    arcPath.reset();
33    arcPath.moveTo({56, 32});
34    arcPath.arcTo({56, 56}, {32, 56}, 24);
35    canvas->drawPath(arcPath, arcPaint);
36
37    canvas->translate(64, 0);
38    canvas->drawOval(oval, ovalPaint);
39    arcPath.reset();
40    arcPath.moveTo({56, 32});
41    arcPath.arcTo({24, 24}, 0, SkPath::kSmall_ArcSize, SkPathDirection::kCW, {32, 56});
42    canvas->drawPath(arcPath, arcPaint);
43}
44}  // END FIDDLE
45