1 // Copyright 2019 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 // HASH=86c0399704d8dff4091bf87b8d87d40b
5 REG_FIDDLE(Point_subtractfrom_operator, 256, 128, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7     SkPaint paint;
8     paint.setAntiAlias(true);
9     SkPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
10                          { 6, 4 }, { 7, 5 }, { 5, 7 },
11                          { 4, 6 }, { 3, 7 }, { 1, 5 },
12                          { 2, 4 }, { 1, 3 }, { 3, 1 } };
13     canvas->scale(30, 15);
14     paint.setStyle(SkPaint::kStroke_Style);
15     canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(points), points, paint);
16     points[1] -= {1, 1};
17     points[2] -= {-1, -1};
18     paint.setColor(SK_ColorRED);
19     canvas->drawPoints(SkCanvas::kPolygon_PointMode, SK_ARRAY_COUNT(points), points, paint);
20 }
21 }  // END FIDDLE
22