1cb93a386Sopenharmony_ci// Copyright 2020 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ciREG_FIDDLE(checker_board, 256, 256, false, 0) {
5cb93a386Sopenharmony_civoid checkerboard(SkCanvas* canvas) {
6cb93a386Sopenharmony_ci    SkColor color1 = SK_ColorLTGRAY;
7cb93a386Sopenharmony_ci    SkColor color2 = SK_ColorCYAN;
8cb93a386Sopenharmony_ci    SkScalar scale = 10.0f;
9cb93a386Sopenharmony_ci    SkPath path;
10cb93a386Sopenharmony_ci    path.addRect(0, 0, scale, scale);
11cb93a386Sopenharmony_ci    SkMatrix matrix = SkMatrix::Scale(2 * scale, scale);
12cb93a386Sopenharmony_ci    matrix.preSkew(0.5f, 0);
13cb93a386Sopenharmony_ci    SkPaint paint;
14cb93a386Sopenharmony_ci    paint.setPathEffect(SkPath2DPathEffect::Make(matrix, path));
15cb93a386Sopenharmony_ci    paint.setAntiAlias(true);
16cb93a386Sopenharmony_ci    paint.setColor(color2);
17cb93a386Sopenharmony_ci    canvas->clear(color1);
18cb93a386Sopenharmony_ci    SkRect bounds = SkRect::MakeWH(256, 256);
19cb93a386Sopenharmony_ci    bounds.outset(scale, scale);
20cb93a386Sopenharmony_ci    canvas->drawRect(bounds, paint);
21cb93a386Sopenharmony_ci}
22cb93a386Sopenharmony_ci
23cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
24cb93a386Sopenharmony_ci    canvas->drawColor(SK_ColorWHITE);
25cb93a386Sopenharmony_ci    checkerboard(canvas);
26cb93a386Sopenharmony_ci}
27cb93a386Sopenharmony_ci}  // END FIDDLE
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