Hal Canary | 6c8422c | 2020-01-10 15:22:09 -0500 | [diff] [blame] | 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" |
| 4 | REG_FIDDLE(skcanvas_star, 256, 256, false, 0) { |
| 5 | void draw(SkCanvas* canvas) { |
| 6 | const SkScalar scale = 256.0f; |
| 7 | const SkScalar R = 0.45f * scale; |
| 8 | const SkScalar TAU = 6.2831853f; |
| 9 | SkPath path; |
| 10 | path.moveTo(R, 0.0f); |
| 11 | for (int i = 1; i < 7; ++i) { |
| 12 | SkScalar theta = 3 * i * TAU / 7; |
| 13 | path.lineTo(R * cos(theta), R * sin(theta)); |
| 14 | } |
| 15 | path.close(); |
| 16 | SkPaint p; |
| 17 | p.setAntiAlias(true); |
| 18 | canvas->clear(SK_ColorWHITE); |
| 19 | canvas->translate(0.5f * scale, 0.5f * scale); |
| 20 | canvas->drawPath(path, p); |
| 21 | } |
| 22 | } // END FIDDLE |