xref: /third_party/skia/docs/examples/Arc.cpp (revision cb93a386)
1#if 0  // Disabled until updated to use current API.
2// Copyright 2019 Google LLC.
3// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4#include "tools/fiddle/examples.h"
5// HASH=5acc77eba0cb4d00bbf3a8f4db0c0aee
6REG_FIDDLE(Arc, 256, 128, false, 0) {
7void draw(SkCanvas* canvas) {
8    SkRect oval = {8, 8, 56, 56};
9    SkPaint ovalPaint;
10    ovalPaint.setAntiAlias(true);
11    SkPaint textPaint(ovalPaint);
12    ovalPaint.setStyle(SkPaint::kStroke_Style);
13    SkPaint arcPaint(ovalPaint);
14    arcPaint.setStrokeWidth(5);
15    arcPaint.setColor(SK_ColorBLUE);
16    canvas->translate(-64, 0);
17    for (char arcStyle = '1'; arcStyle <= '6'; ++arcStyle) {
18        '4' == arcStyle ? canvas->translate(-96, 55) : canvas->translate(64, 0);
19        canvas->drawText(&arcStyle, 1, 30, 36, textPaint);
20        canvas->drawOval(oval, ovalPaint);
21        SkPath path;
22        path.moveTo({56, 32});
23        switch (arcStyle) {
24            case '1':
25                path.arcTo(oval, 0, 90, false);
26                break;
27            case '2':
28                canvas->drawArc(oval, 0, 90, false, arcPaint);
29                continue;
30            case '3':
31                path.addArc(oval, 0, 90);
32                break;
33            case '4':
34                path.arcTo({56, 56}, {32, 56}, 24);
35                break;
36            case '5':
37                path.arcTo({24, 24}, 0, SkPath::kSmall_ArcSize, SkPathDirection::kCW, {32, 56});
38                break;
39            case '6':
40                path.conicTo({56, 56}, {32, 56}, SK_ScalarRoot2Over2);
41                break;
42         }
43         canvas->drawPath(path, arcPaint);
44     }
45}
46}  // END FIDDLE
47#endif  // Disabled until updated to use current API.
48