| // Copyright 2020 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| REG_FIDDLE(shader, 256, 256, false, 0) { |
| SkPath star() { |
| const SkScalar R = 60.0f, C = 128.0f; |
| SkPath path; |
| path.moveTo(C + R, C); |
| for (int i = 1; i < 15; ++i) { |
| SkScalar a = 0.44879895f * i; |
| SkScalar r = R + R * (i % 2); |
| path.lineTo(C + r * cos(a), C + r * sin(a)); |
| } |
| return path; |
| } |
| void draw(SkCanvas* canvas) { |
| SkPaint paint; |
| paint.setPathEffect(SkDiscretePathEffect::Make(10.0f, 4.0f)); |
| SkPoint points[2] = {SkPoint::Make(0.0f, 0.0f), SkPoint::Make(256.0f, 256.0f)}; |
| SkColor colors[2] = {SkColorSetRGB(66, 133, 244), SkColorSetRGB(15, 157, 88)}; |
| paint.setShader(SkGradientShader::MakeLinear( |
| points, colors, nullptr, 2, SkTileMode::kClamp, 0, nullptr)); |
| paint.setAntiAlias(true); |
| canvas->clear(SK_ColorWHITE); |
| SkPath path(star()); |
| canvas->drawPath(path, paint); |
| } |
| } // END FIDDLE |